* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Lazy Load Keyframes */
@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Background fade in - giữ transform offset */
@keyframes backgroundFadeIn {
  0% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

html {
  scroll-behavior: smooth;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  color: #1a1a1a;
  line-height: 1.7;
  overflow-x: hidden;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 90px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

nav.scrolled {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(25px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 40px;
}

.logo-container img {
  height: 52px;
  transition: opacity 0.3s ease;
}

.logo-container img:hover {
  opacity: 0.8;
}

.nav-links {
  display: flex;
  gap: 24px;
  font-weight: 300;
  align-items: center;
}

.nav-links a {
  color: #334155;
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  padding: 12px 20px;
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  letter-spacing: -0.025em;
}

.nav-links a:hover {
  color: #3b82f6;
  background: rgba(59, 130, 246, 0.04);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: #3b82f6;
  transition: all 0.3s ease;
  transform: translateX(-50%);
  border-radius: 1px;
}

.nav-links a:hover::after {
  width: 80%;
}

.separator {
  color: #ccc;
  font-weight: 300;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.flag-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  opacity: 0.7;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.flag-icon:hover {
  border-color: #3b82f6;
  opacity: 1;
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.flag-icon.active {
  border-color: #3b82f6;
  opacity: 1;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* I18n transition animations */
[data-i18n] {
  transition: opacity 0.2s ease;
}

.i18n-updating {
  opacity: 0.7;
}

/* Language loading state */
.language-loading {
  cursor: wait;
}

.language-loading [data-i18n] {
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

/* Responsive flag icons */
@media (max-width: 768px) {
  .flag-icon {
    width: 24px;
    height: 24px;
  }
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: #004f9f;
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

.hero-banner {
  position: relative;
  height: 100vh;
  overflow: hidden;
  margin-top: 90px;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

.slider {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  cursor: grab;
  user-select: none;
}

.slider:active {
  cursor: grabbing;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: translateX(100%);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  opacity: 1;
  will-change: transform, opacity;
  transform-origin: center;
}

.slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.2));
  z-index: 1;
}

.slide.active {
  transform: translateX(0);
  opacity: 1;
}

.slide.staging {
  transform: translateX(10%);
  opacity: 0.8;
  transition: all 0.4s ease-out;
}

.slide.next {
  transform: translateX(100%);
}

.slide.prev {
  transform: translateX(-100%);
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.8) contrast(1.1);
}

.slide-overlay {
  position: absolute;
  top: 50%;
  left: 8%;
  transform: translateY(-50%);
  color: white;
  max-width: 600px;
  z-index: 2;
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 300px;
}

.slide-overlay h1 {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 900;
  margin-bottom: 32px;
  text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.5);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #ffffff;
  min-height: 120px;
  display: flex;
  align-items: center;
}

.slide-overlay p {
  font-size: 1.4rem;
  margin-bottom: 48px;
  font-weight: 400;
  line-height: 1.5;
  color: #f1f5f9;
  text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.4);
  max-width: 500px;
  min-height: 84px;
  display: flex;
  align-items: center;
}

.cta-button {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: white;
  border: none;
  padding: 20px 40px;
  font-size: 1.2rem;
  border-radius: 60px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.4);
  text-shadow: none;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1d4ed8, #3b82f6);
  transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cta-button:hover::before {
  left: 0;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(59, 130, 246, 0.4);
}

.cta-button span {
  position: relative;
  z-index: 1;
}

.hero-controls {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 3;
}

.hero-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50px;
  background: linear-gradient(to top, rgba(248, 250, 252, 1) 0%, rgba(248, 250, 252, 0.9) 30%, rgba(248, 250, 252, 0.7) 60%, transparent 100%);
  z-index: 2;
  pointer-events: none;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  backdrop-filter: blur(5px);
}

.slider-dot.active {
  background: rgba(255, 255, 255, 0.9);
  transform: scale(1.2);
}

.slider-dot:hover {
  background: rgba(255, 255, 255, 0.8);
  transform: scale(1.1);
}

/* Sections */
.section {
  padding: 100px 0;
  /* position: relative;
  overflow: hidden; */


}


.section>.container {
  position: relative;
  z-index: 2;
}

.section:nth-child(even) {
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.section:nth-child(odd) {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

#tin-tuc {
  position: relative;
}

#tin-tuc>* {
  position: relative;
  z-index: 2;
}

#tin-tuc::before {
  content: '';
  position: absolute;
  top: 10%;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('../images/decorations/Circuit-PNG-Background.png');
  background-size: cover;
  rotate: -180deg;
  background-position: 0 0;
  z-index: 1;
  animation: electricFlash 3s ease-in-out infinite, fade-in-out 6s ease-in-out infinite;

}

#gioi-thieu {
  position: relative;
}

#gioi-thieu::before,
#gioi-thieu::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 40px;
  pointer-events: none;
  z-index: 2;
}

#gioi-thieu::before {
  top: 0;
  background: linear-gradient(to bottom,
      rgba(255, 255, 255, 0.8) 0%,
      transparent 100%);
}

@keyframes fade-in-out {
  0% {
    opacity: 0.1;
  }

  50% {
    opacity: 0.15;
  }

  100% {
    opacity: 0.1;
  }
}

@keyframes electricFlash {

  0%,
  100% {
    opacity: 0.04;
    filter: brightness(1) saturate(1);
  }

  10% {
    opacity: 0.12;
    filter: brightness(1.3) saturate(1.5);
  }

  15% {
    opacity: 0.06;
    filter: brightness(0.8) saturate(1);
  }

  25% {
    opacity: 0.15;
    filter: brightness(1.5) saturate(2);
  }

  35% {
    opacity: 0.04;
    filter: brightness(1) saturate(1);
  }

  60% {
    opacity: 0.10;
    filter: brightness(1.2) saturate(1.3);
  }

  65% {
    opacity: 0.08;
    filter: brightness(1.1) saturate(1.1);
  }
}

@keyframes strongElectricFlash {

  0%,
  90%,
  100% {
    opacity: 0.04;
    filter: brightness(1) contrast(1);
  }

  5% {
    opacity: 0.2;
    filter: brightness(2) contrast(1.5);
  }

  8% {
    opacity: 0.03;
    filter: brightness(0.5) contrast(1);
  }

  12% {
    opacity: 0.18;
    filter: brightness(1.8) contrast(1.4);
  }

  18% {
    opacity: 0.05;
    filter: brightness(1) contrast(1);
  }

  45% {
    opacity: 0.15;
    filter: brightness(1.6) contrast(1.3);
  }

  50% {
    opacity: 0.08;
    filter: brightness(1.1) contrast(1.1);
  }
}


h1,
h2,
h3,
h4,
h5 {
  font-weight: 700;
  color: #1e293b;
  letter-spacing: -0.025em;
}

/* Enhanced Section Titles with Animation */
.section h2 {
  position: relative;
  display: inline-block;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 3rem;
  text-align: center;
  width: 100%;
  padding-bottom: 20px;
}

.section h2::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 4px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);
  transition: width 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border-radius: 2px;
}


/* Trigger animation when in view */
.section.in-view h2::before {
  width: 100px;
}

.section.in-view h2::after {
  width: 120px;
}

/* Optimized Section Title Styling - Unified Blue Theme */
/* Common styles for all section titles */
h2,
#gioi-thieu h2,
#tin-tuc h2,
#dich-vu h2,
.partners-section h2,
#lien-he h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: 60px;
  text-align: center;
  position: relative;
  padding-bottom: 20px;
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Specific width adjustments for Giới thiệu */
#gioi-thieu.in-view h2::before {
  width: 120px;
}

#gioi-thieu.in-view h2::after {
  width: 140px;
}

/* Common icon base styles */
#gioi-thieu h2::after,
#tin-tuc h2::after,
#dich-vu h2::after,
.partners-section h2::after,
#lien-he h2::after {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  width: auto;
  height: auto;
  background: none;
}

/* Specific icons */
#gioi-thieu h2::after {
  content: '🚀';
  animation: float 3s ease-in-out infinite;
}

#tin-tuc h2::after {
  content: '⚡';
  animation: spark 2s ease-in-out infinite;
}

#dich-vu h2::after {
  content: '📸';
  animation: pulse 2.5s ease-in-out infinite;
}

.partners-section h2::after {
  content: '🤝';
}

#lien-he h2::after {
  content: '💬';
  animation: bounce 2s ease-in-out infinite;
}

/* Optimized animations */
@keyframes float {

  0%,
  100% {
    transform: translateY(-50%) translateX(0);
  }

  50% {
    transform: translateY(-50%) translateX(-10px);
  }
}

@keyframes spark {

  0%,
  100% {
    opacity: 1;
    transform: translateY(-50%) scale(1);
  }

  50% {
    opacity: 0.7;
    transform: translateY(-50%) scale(1.1);
  }
}

@keyframes pulse {

  0%,
  100% {
    transform: translateY(-50%) scale(1);
  }

  50% {
    transform: translateY(-50%) scale(1.05);
  }
}

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(-50%) translateX(0);
  }

  40% {
    transform: translateY(-50%) translateX(-5px);
  }

  60% {
    transform: translateY(-50%) translateX(-3px);
  }
}

/* Introduction Section - Mosaic Grid Layout */
.intro {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, auto);
  gap: 24px;
  grid-template-areas:
    "main-content main-content highlight mission"
    "main-content main-content stats-1 stats-2"
    "vision values stats-3 stats-4";
}

.tech-background {
  position: relative;
  background: linear-gradient(135deg,
      #0a0a0a 0%,
      #1a1a2e 25%,
      #16213e 50%,
      #0f3460 75%,
      #0e4b99 100%);
  overflow: hidden;
}

.tech-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

/* Circuit pattern */
.circuit-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(119, 133, 255, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.15) 0%, transparent 50%);
  opacity: 0.6;
  animation: circuitGlow 8s ease-in-out infinite alternate;
}

/* Floating particles */
.floating-particles::before,
.floating-particles::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(2px 2px at 40px 70px, rgba(0, 200, 255, 0.6), transparent),
    radial-gradient(1px 1px at 90px 40px, rgba(133, 119, 255, 0.8), transparent);
  background-repeat: repeat;
  background-size: 150px 100px;
  animation: particleFloat 20s linear infinite;
}

.floating-particles::after {
  background-size: 120px 80px;
  animation-duration: 25s;
  animation-direction: reverse;
}

/* Grid lines */
.grid-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(0, 200, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 200, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.3;
  animation: gridPulse 6s ease-in-out infinite;
}

/* Glow effects */
.glow-effects::before,
.glow-effects::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  animation: glowMove 12s ease-in-out infinite;
}

.glow-effects::before {
  top: 10%;
  left: 10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 200, 255, 0.3) 0%, transparent 70%);
}

z .glow-effects::after {
  bottom: 10%;
  right: 10%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(119, 139, 255, 0.2) 0%, transparent 70%);
  animation-delay: -6s;
}

/* Animations */
@keyframes circuitGlow {

  0%,
  100% {
    opacity: 0.6;
    transform: scale(1);
  }

  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

@keyframes particleFloat {
  0% {
    transform: translateY(0px) rotate(0deg);
  }

  100% {
    transform: translateY(-100px) rotate(360deg);
  }
}

@keyframes gridPulse {

  0%,
  100% {
    opacity: 0.3;
  }

  50% {
    opacity: 0.6;
  }
}

@keyframes glowMove {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  25% {
    transform: translate(30px, -20px) scale(1.1);
  }

  50% {
    transform: translate(-20px, 30px) scale(0.9);
  }

  75% {
    transform: translate(20px, 20px) scale(1.05);
  }
}

/* Content overlay để text dễ đọc */
.tech-background .container {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 3rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Solutions Zigzag Section - Clean & Simple */
.solutions-zigzag {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin-top: 60px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.solution-row {
  display: flex;
  width: 100%;
}

.left-align {
  justify-content: flex-start;
  padding-right: 100px;
  /* Điều chỉnh để card không sát lề trái */
}

.right-align {
  justify-content: flex-end;
  padding-left: 100px;
  /* Điều chỉnh để card không sát lề phải */
}

/* Container cho thẻ chính và thẻ background */
.solution-card-container {
  position: relative;
  max-width: 450px;
  width: 100%;
  height: 280px;
}



.solution-card {
  background: linear-gradient(145deg, #ffffff 0%, #f1f5f9 100%);
  border-radius: 24px;
  padding: 50px 40px;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  transition: transform 0.45s cubic-bezier(0.4,0,0.2,1), opacity 0.45s ease;
  transform-origin: center;
  will-change: transform, opacity;
  box-shadow:
    0 10px 25px rgba(0, 0, 0, 0.08),
    0 20px 48px rgba(0, 0, 0, 0.04);
  opacity: 0;
}

/* Animation class được thêm bởi JavaScript - không dùng forwards */
.solution-card.animate {
  animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 1;
  transform: translateY(0);
}

/* Animation cho background card - không ảnh hưởng đến transform offset */
.solution-card-background.animate {
  animation: backgroundFadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 1;
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  /* use transform instead of left to avoid layout paints */
  transform: translateX(-100%);
  will-change: transform, opacity;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,
      transparent,
      rgba(255, 255, 255, 0.4),
      transparent);
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
}

/* Shimmer effect */
.solution-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 100%;
  transform: translateX(-100%);
  will-change: transform, opacity;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(29, 78, 216, 0.05));
  transition: transform 0.5s ease;
  z-index: 2;
}

.card-number {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, rgb(59, 130, 246, 0.1), rgba(29, 78, 216, 0.15));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: #3b82f6;
  z-index: 2;
  backdrop-filter: blur(6px);
  border: 1px solid rgba(59, 130, 246, 0.14);
  /* avoid animating all properties */
  transition: background 0.3s ease, transform 0.3s ease, opacity 0.3s ease;
}

.card-icon {
  width: 70px;
  height: 70px;
  background: #9fc0fc;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: white;
  font-size: 1.8rem;
  position: relative;
  z-index: 3;
  /* prefer transform/opacity transitions; avoid animating box-shadow where possible */
  transition: transform 0.32s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.32s ease;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.18);
}

.solution-card h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 16px;
  position: relative;
  z-index: 3;
  transition: transform 0.3s ease, color 0.3s ease, opacity 0.3s ease;
  transform: translateY(0);
  line-height: 1.4;
}

.solution-card p {
  font-size: 1.05rem;
  color: #64748b;
  line-height: 1.7;
  margin: 0;
  position: relative;
  z-index: 3;
  transition: color 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
  opacity: 0.9;
}

/* Hover effects cho container - Transition hoạt động mượt */
.left-align .solution-card-container:hover .solution-card {
  transform: translateX(-100px) translateY(12px) rotateZ(-5deg);
  box-shadow:
    0 15px 35px rgba(0, 0, 0, 0.12),
    0 25px 55px rgba(0, 0, 0, 0.06);
}

.right-align .solution-card-container:hover .solution-card {
  transform: translateX(100px) translateY(12px) rotateZ(5deg);
  box-shadow:
    0 15px 35px rgba(0, 0, 0, 0.12),
    0 25px 55px rgba(0, 0, 0, 0.06);
}

/* Thẻ background - nằm phía dưới và lệch ngược hướng */
.solution-card-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(135deg, rgba(44, 62, 80, 0.95) 0%, rgba(52, 73, 94, 0.9) 50%, rgba(44, 62, 80, 0.95) 100%),
    linear-gradient(45deg, #34495e 0%, #2c3e50 50%, #1a252f 100%);
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1;
  /* avoid animating filter; keep transform & opacity only */
  transition: transform 0.45s cubic-bezier(0.4,0,0.2,1), opacity 0.45s ease;
  will-change: transform, opacity;
  box-shadow:
    0 15px 35px rgba(44, 62, 80, 0.4),
    0 25px 50px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -1px 0 rgba(0, 0, 0, 0.2);
  opacity: 0;
  /* Ẩn background ban đầu cho lazy load */
  padding: 30px 25px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

/* Thêm hiệu ứng glow khi hover */
.solution-card-background::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg,
      #3498dbce 0%,
      #297fb9b0 25%,
      #3c47e7 50%,
      #9c59b6c9 75%,
      #3498db80 100%);
  border-radius: 26px;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
  
  
}

.solution-card-container:hover .solution-card-background::before {
  opacity: 0.6;
}

@keyframes rainbowGlow-light {
  0% { opacity: 0.9; transform: translateZ(0) scale(1); }
  50% { opacity: 1; }
  100% { opacity: 0.9; }
}

/* Pattern overlay cho texture */
.solution-card-background::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(52, 152, 219, 0.15) 0%, transparent 50%);
  border-radius: 24px;
  pointer-events: none;
  z-index: 1;
}

/* Nội dung trong background card */
.bg-content {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  z-index: 2;
}

/* Điều chỉnh vị trí nội dung cho right-align */
.left-align .bg-content {
  align-items: flex-end;
  text-align: right;
}

.right-align .bg-content {
  align-items: flex-start;
  text-align: left;
}

.bg-stat {
  display: flex;
  flex-direction: column;
  margin-bottom: 15px;
}



.stat-number {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff 0%, #e0eafc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 4px;
  text-shadow: 0 2px 8px rgba(255, 255, 255, 0.1), 0 2px 4px rgba(52, 152, 219, 0.2);
}

.left-align .stat-number::after {
  content: '';
  display: block;
  width: 80%;
  height: 2px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6, #ec4899);
  margin-top: 4px;
  text-align: right;
  margin-left: auto;
}

.right-align .stat-number::after {
  content: '';
  display: block;
  width: 80%;
  height: 2px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6, #ec4899);
  margin-top: 4px;
  text-align: left;
  margin-right: auto;
}

.stat-label {
  font-size: 0.85rem;
  color: #f8fafc;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  /* text-shadow: 0 1px 3px rgba(255,255,255,0.5); */
}

.bg-feature {
  display: none;
  /* flex-direction: column;
  gap: 8px;
  padding: 12px 16px;
  backdrop-filter: none; */
}

.bg-feature span {
  font-size: 0.8rem;
  color: #2ecc71;
  font-weight: 500;
  display: flex;
  align-items: center;
  position: relative;
}

.bg-feature span:hover {
  background: rgba(46, 204, 113, 0.25);
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(46, 204, 113, 0.3);
}

.bg-feature span::before {
  content: '✓';
  margin-right: 8px;
  color: #27ae60;
  font-weight: 600;
  font-size: 0.9rem;
}

/* Thẻ background cho left-align - lệch qua phải */
.left-align .solution-card-background {
  transform: translateX(20px) translateY(8px);
}

/* Thẻ background cho right-align - lệch qua trái */
.right-align .solution-card-background {
  transform: translateX(-20px) translateY(8px);
}

.solution-card-container:hover .solution-card-background {
  opacity: 1;
  filter: brightness(1.1) saturate(1.2);
}

/* Left-align hover: background lệch phải nhiều hơn */
.left-align .solution-card-container:hover .solution-card-background {
  transform: translateX(100px) translateY(12px) rotateZ(5deg);
  /* box-shadow:
    0 25px 50px rgba(44, 62, 80, 0.6),
    0 35px 70px rgba(52, 152, 219, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.2); */
}

/* Right-align hover: background lệch trái nhiều hơn */
.right-align .solution-card-container:hover .solution-card-background {
  transform: translateX(-100px) translateY(12px) rotateZ(-5deg);
  /* box-shadow:
    0 25px 50px rgba(44, 62, 80, 0.6),
    0 35px 70px rgba(155, 89, 182, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.2); */
}

/* Alternative: Use percentage-based positioning */
.left-align .solution-card-container {
  margin-left: 5%;
  /* Container bắt đầu từ 5% từ trái */
}

.right-align .solution-card-container {
  margin-right: 5%;
  /* Container kết thúc ở 5% từ phải */
}

/* Responsive cho Solution Cards */
@media (max-width: 768px) {
  .solutions-zigzag {
    gap: 20px;
    margin-top: 40px;
  }

  .left-align,
  .right-align {
    justify-content: center;
    padding: 0 20px;
  }

  .solution-card-container {
    max-width: 100%;
    height: 260px;
  }

  .left-align .solution-card-container,
  .right-align .solution-card-container {
    margin: 0;
  }

  .solution-card {
    padding: 30px 25px;
  }

  .solution-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
  }

  .solution-card p {
    font-size: 1rem;
  }

  .card-icon {
    width: 60px;
    height: 60px;
    font-size: 1.6rem;
    margin-bottom: 20px;
  }

  .card-number {
    width: 35px;
    height: 35px;
    font-size: 1.1rem;
    top: 20px;
    right: 20px;
  }

  /* Giảm hiệu ứng lệch trên mobile */
  .left-align .solution-card-background {
    transform: translateX(15px) translateY(6px);
  }

  .right-align .solution-card-background {
    transform: translateX(-15px) translateY(6px);
  }

  /* Hover effects cho container - Transition hoạt động mượt */
  .left-align .solution-card-container:hover .solution-card {
    transform: translateX(-200px) translateY(12px) rotateZ(-5deg);
    box-shadow:
      0 15px 35px rgba(0, 0, 0, 0.12),
      0 25px 55px rgba(0, 0, 0, 0.06);
  }

  .right-align .solution-card-container:hover .solution-card {
    transform: translateX(200px) translateY(12px) rotateZ(5deg);
    box-shadow:
      0 15px 35px rgba(0, 0, 0, 0.12),
      0 25px 55px rgba(0, 0, 0, 0.06);
  }

  .left-align .solution-card-container:hover .solution-card-background {
    transform: translateX(20px) translateY(8px);
    box-shadow:
      0 20px 40px rgba(44, 62, 80, 0.5),
      0 25px 50px rgba(52, 152, 219, 0.3);
  }

  .right-align .solution-card-container:hover .solution-card-background {
    transform: translateX(-20px) translateY(8px);
    box-shadow:
      0 20px 40px rgba(44, 62, 80, 0.5),
      0 25px 50px rgba(155, 89, 182, 0.3);
  }

  /* Background content responsive cho tablet */
  .bg-content {
    padding: 18px;
  }

  /* Điều chỉnh padding cho right-align trên tablet */
  .right-align .solution-card-background {
    padding: 18px 30px 18px 18px;
  }

  .stat-number {
    font-size: 1.2rem;
  }

  .stat-label {
    font-size: 0.8rem;
  }

  .bg-feature {
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .solution-card-container {
    height: 240px;
  }

  .solution-card {
    padding: 25px 20px;
  }

  .solution-card h3 {
    font-size: 1.3rem;
  }

  .solution-card p {
    font-size: 0.95rem;
  }

  .card-icon {
    width: 50px;
    height: 50px;
    font-size: 1.4rem;
    margin-bottom: 16px;
  }

  /* Hiệu ứng lệch nhỏ hơn trên màn hình nhỏ */
  .left-align .solution-card-background {
    transform: translateX(10px) translateY(4px);
  }

  .right-align .solution-card-background {
    transform: translateX(-10px) translateY(4px);
  }

  .left-align .solution-card-container:hover .solution-card-background {
    transform: translateX(15px) translateY(6px);
  }

  .right-align .solution-card-container:hover .solution-card-background {
    transform: translateX(-15px) translateY(6px);
  }

  /* Background content responsive cho mobile */
  .bg-content {
    padding: 15px;
  }

  .bg-stat {
    margin-bottom: 12px;
  }

  .stat-number {
    font-size: 1.1rem;
  }

  .stat-label {
    font-size: 0.8rem;
  }

  .bg-feature {
    padding: 6px 0;
    font-size: 0.8rem;
  }
}


/* Lazy Loading Animation */
.lazy-load {
  opacity: 0;
  transform: translateY(50px) scale(0.9);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.lazy-load.loaded {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.lazy-load.in-viewport {
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(50px) scale(0.9);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.learn-more {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: white;
  border: none;
  padding: 12px 28px;
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 1;
  font-size: 0.95rem;
  letter-spacing: 0.025em;
}

.learn-more:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
  background: linear-gradient(135deg, #1d4ed8, #3b82f6);
}

/* Gallery Section - Minimal Design */
.section-header-minimal {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header-minimal h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 1rem;
  letter-spacing: -0.025em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: #64748b;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.gallery-minimal {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 1024px) {
  .gallery-minimal {
    grid-template-columns: repeat(2, 1fr);
  }

  .image-container {
    height: 280px;
  }
}

@media (max-width: 768px) {
  .gallery-minimal {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.gallery-item-minimal {
  position: relative;
}

.image-container {
  position: relative;
  width: 400px;
  height: 300px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  background: white;
}

.image-container:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.image-container img {
  width: 400px;
  height: 300px;
  object-fit: cover;
  object-position: center center;
  transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  filter: brightness(0.95) contrast(1.05);
  display: block;
}

.image-container:hover img {
  transform: scale(1.05);
  filter: brightness(0.9) contrast(1.1);
}

.image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
  color: white;
  padding: 1.5rem;
  transform: translateY(100%);
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  opacity: 0;
}

.image-container:hover .image-overlay {
  transform: translateY(0);
  opacity: 1;
}

.image-title {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  margin: 0;
  /* text-align: center; */
}

.image-subtitle {
  display: block;
  font-size: 0.875rem;
  opacity: 0.9;
  font-weight: 400;
}

.gallery-caption {
  text-align: center;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(226, 232, 240, 0.8);
}

.gallery-caption p {
  font-size: 1rem;
  color: #64748b;
  font-style: italic;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Gallery Lightbox Modal */
.gallery-lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  padding: 20px;
}

.gallery-lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  background: white;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 32px 64px rgba(0, 0, 0, 0.3);
  transform: scale(0.85) translateY(40px);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(20px);
}

.gallery-lightbox.active .lightbox-content {
  transform: scale(1) translateY(0);
}

.lightbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.75rem 2rem;
  background: linear-gradient(135deg, #004f9f 0%, #0066cc 50%, #0080ff 100%);
  color: white;
  position: relative;
}

.lightbox-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.lightbox-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.025em;
  color: #f8f9fa;
}

.lightbox-counter {
  font-size: 0.85rem;
  opacity: 0.95;
  background: rgba(255, 255, 255, 0.25);
  padding: 0.6rem 1.2rem;
  border-radius: 25px;
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-weight: 500;
}

.lightbox-close {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  font-size: 1.8rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  backdrop-filter: blur(10px);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.lightbox-image-container {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8f9fa;
  height: 60vh;
  max-height: 600px;
  min-height: 400px;
  overflow: hidden;
  cursor: grab;
  user-select: none;
}

.lightbox-image-container:active {
  cursor: grabbing;
}

.lightbox-image-container.dragging {
  cursor: grabbing;
}

.lightbox-image {
  width: 40vw;
  height: 50vh;
  object-fit: cover;
  object-position: center center;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  pointer-events: none;
  display: block;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  width: 56px;
  height: 56px;
  font-size: 1.4rem;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #495057;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
  opacity: 0.8;
  z-index: 10;
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 1);
  transform: translateY(-50%) scale(1.15);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.18);
  opacity: 1;
  color: #212529;
}

.lightbox-nav.prev {
  left: 24px;
}

.lightbox-nav.next {
  right: 24px;
}

.lightbox-nav:disabled {
  opacity: 0.25;
  cursor: not-allowed;
  transform: translateY(-50%) scale(0.85);
  background: rgba(255, 255, 255, 0.7);
}

.lightbox-footer {
  padding: 1rem 2rem;
  background: white;
  border-top: 1px solid #e2e8f0;
  text-align: center;
}

.lightbox-thumbnails {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  padding: 0 1.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.lightbox-thumbnails::-webkit-scrollbar {
  display: none;
}

.lightbox-thumbnail {
  flex-shrink: 0;
  width: 64px;
  height: 44px;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  border: 2px solid transparent;
  position: relative;
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.lightbox-thumbnail::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.1), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox-thumbnail:hover {
  transform: scale(1.15) translateY(-2px);
  border-color: rgba(0, 102, 204, 0.6);
  box-shadow: 0 8px 20px rgba(0, 102, 204, 0.2);
}

.lightbox-thumbnail:hover::after {
  opacity: 0;
}

.lightbox-thumbnail.active {
  border-color: #004f9f;
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(0, 79, 159, 0.3);
}

.lightbox-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Lightbox Loading State */
.lightbox-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #64748b;
  font-size: 1rem;
}

.lightbox-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #e2e8f0;
  border-top: 3px solid #0066cc;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

/* Zoom functionality */
.lightbox-image.zoomable {
  cursor: zoom-in;
  transition: transform 0.3s ease;
}

.lightbox-image.zoomed {
  cursor: zoom-out;
  transform: scale(1.8);
  object-fit: contain;
}

/* Tablet optimizations */
@media (max-width: 1024px) and (min-width: 769px) {
  .lightbox-image-container {
    height: 55vh;
    max-height: 500px;
    min-height: 350px;
  }
}

/* Mobile optimizations */
@media (max-width: 768px) {
  .lightbox-content {
    max-width: 95vw;
    max-height: 95vh;
    border-radius: 15px;
  }

  .lightbox-image-container {
    height: 50vh;
    max-height: 400px;
    min-height: 300px;
  }

  .lightbox-header {
    padding: 1rem 1.5rem;
  }

  .lightbox-title {
    font-size: 1.125rem;
  }

  .lightbox-nav {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }

  .lightbox-nav.prev {
    left: 10px;
  }

  .lightbox-nav.next {
    right: 10px;
  }

  .lightbox-footer {
    padding: 1rem 1.5rem;
  }

  .lightbox-thumbnails {
    margin-top: 0.75rem;
  }

  .lightbox-thumbnail {
    width: 50px;
    height: 35px;
  }
}

/* Customers Section */
.customers-section {
  padding: 100px 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.04) 0%, rgba(37, 99, 235, 0.06) 100%);
  position: relative;
  overflow: hidden;
}

/* Ink drop backgrounds */
.customers-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../images/decorations/wrinkled-paper.png');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  opacity: 0.7;
  z-index: 1;
  pointer-events: none;
  /* Blur top/bottom edges */
  mask-image: linear-gradient(to bottom, transparent 0%, black 10%, black 90%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 10%, black 90%, transparent 100%);
}


@keyframes float {

  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }

  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

/* Additional decorative elements */
.customers-section .container::before {
  content: '';
  position: absolute;
  top: 25%;
  left: -40px;
  width: 90px;
  height: 90px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  animation: pulse 4s ease-in-out infinite, spinCircle 20s linear infinite;
  z-index: 1;
}

.customers-section .container::after {
  content: '';
  position: absolute;
  bottom: 40%;
  right: -25px;
  width: 70px;
  height: 70px;
  background: linear-gradient(45deg, rgba(37, 99, 235, 0.12) 0%, transparent 60%);
  clip-path: polygon(25% 0%, 100% 0%, 75% 100%, 0% 100%);
  animation: pulse 5s ease-in-out infinite reverse, spinCircle 20s linear infinite;
  z-index: 1;
}

@keyframes spinCircle {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 0.3;
    transform: scale(1);
  }

  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

.customers-section .container {
  position: relative;
  z-index: 2;
}

.customers-content {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

/* Additional gradient overlay */
.customers-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  /* background-image: 
    radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(37, 99, 235, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(29, 78, 216, 0.03) 0%, transparent 70%); */
  z-index: -1;
  pointer-events: none;
}

.customers-header {
  text-align: center;
  margin-bottom: 60px;
}

.customers-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 16px;
  position: relative;
}

.customers-subtitle {
  font-size: 1.125rem;
  color: #6b7280;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Navigation Container - Enhanced Layout */
.customers-navigation-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  gap: 20px;
  scale: 1.15;
}

.customers-grid-container {
  flex: 1;
  overflow: hidden;
  border-radius: 20px;
  /* backdrop-filter: blur(20px); */
  position: relative;
  padding: 40px 0;
  width: 100%;
}

/* Subtle gradient overlay */
.customers-grid-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  /* background: 
    radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.02) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(37, 99, 235, 0.02) 0%, transparent 50%); */
  /* border-radius: 20px; */
  pointer-events: none;
  z-index: 1;
}

.customers-grid {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  gap: 40px;
  padding: 0;
  position: relative;
  z-index: 2;
  will-change: transform;
  width: 100%;
  /* Đảm bảo grid chiếm full width */
}

/* Enhanced fade edges for seamless scrolling */
.customers-grid-container::after {
  content: '';
  position: absolute;
  top: 30px;
  bottom: 30px;
  left: 0;
  right: 0;
  /* background: 
    linear-gradient(to right, rgba(255, 255, 255, 0.9) 0%, transparent 15%, transparent 85%, rgba(255, 255, 255, 0.9) 100%); */
  pointer-events: none;
  z-index: 3;
  border-radius: 20px;
}

/* Navigation Arrows - Enhanced Design */
.nav-arrow {
  width: 56px;
  height: 56px;
  border: none;
  border-radius: 50%;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.9) 100%);
  color: #374151;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow:
    0 4px 20px rgba(0, 0, 0, 0.08),
    0 1px 3px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  z-index: 4;
  position: relative;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  font-weight: 600;
}

.nav-arrow::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(37, 99, 235, 0.05));
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.nav-arrow:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow:
    0 8px 30px rgba(59, 130, 246, 0.15),
    0 4px 12px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  color: #2563eb;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(248, 250, 252, 0.98) 100%);
}

.nav-arrow:hover::before {
  opacity: 1;
}

.nav-arrow:active {
  transform: scale(1.05) translateY(-1px);
  transition: all 0.1s ease;
}

.nav-arrow:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  color: #9ca3af;
  background: rgba(255, 255, 255, 0.7);
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.nav-arrow:disabled:hover {
  transform: none;
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

/* Arrow direction styling */
.nav-arrow-left::after {
  content: '‹';
  margin-right: 2px;
}

.nav-arrow-right::after {
  content: '›';
  margin-left: 2px;
}

/* Customer Items - Logo Only Layout */
.customer-item {
  min-width: 200px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(255, 255, 255, 0.6);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
  box-shadow:
    0 2px 12px rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
}

.customer-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.08), transparent);
  transition: left 0.6s ease;
  z-index: 1;
}

.customer-item:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(59, 130, 246, 0.2);
  box-shadow:
    0 12px 40px rgba(59, 130, 246, 0.12),
    0 4px 12px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.95);
}

.customer-item:hover::before {
  left: 100%;
}

.customer-content {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.customer-logo {
  width: 160px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border-radius: 12px;
  transition: all 0.4s ease;
  border: none;
  backdrop-filter: none;
}

.customer-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: brightness(1) saturate(1.1) contrast(1.05);
  transition: all 0.4s ease;
}

.customer-item:hover .customer-logo {
  transform: scale(1.05);
}

.customer-item:hover .customer-logo img {
  filter: brightness(1.05) saturate(1.2) contrast(1.1);
}

/* Hide text content */
.customer-name,
.customer-description {
  display: none;
}

/* Responsive Design - Logo Only Layout */
@media (max-width: 768px) {
  .customers-section {
    padding: 60px 0;
  }

  .customers-header h2 {
    font-size: 2rem;
  }

  .customers-navigation-container {
    gap: 15px;
    padding: 0 15px;
  }

  .customers-grid-container {
    padding: 20px 25px;
    border-radius: 16px;
  }

  .customers-grid-container::after {
    top: 20px;
    bottom: 20px;
  }

  .nav-arrow {
    width: 50px;
    height: 50px;
    font-size: 1.3rem;
  }

  .customers-grid {
    gap: 20px;
  }

  .customer-item {
    min-width: 150px;
    padding: 15px;
  }

  .customer-logo {
    width: 120px;
    height: 90px;
  }
}

@media (max-width: 480px) {
  .customers-navigation-container {
    gap: 12px;
    padding: 0 10px;
  }

  .nav-arrow {
    width: 45px;
    height: 45px;
    font-size: 1.2rem;
  }

  .customers-grid-container {
    padding: 15px 20px;
    border-radius: 12px;
  }

  .customers-grid {
    gap: 15px;
  }

  .customer-item {
    min-width: 120px;
    padding: 12px;
    border-radius: 12px;
  }

  .customer-logo {
    width: 96px;
    height: 72px;
    border-radius: 8px;
  }
}

/* Contact Section */
/* Contact Section - Minimalist Design */
.contact-section {
  background: #fafbfc;
  padding: 80px 0;
}

.contact-content {
  max-width: 600px;
  margin: 0 auto;
}

.contact-header {
  text-align: center;
  margin-bottom: 48px;
}

.contact-header h2 {
  font-size: 2.25rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.contact-header p {
  font-size: 1.1rem;
  color: #666;
  font-weight: 400;
}

.contact-form {
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  border: 1px solid #e5e7eb;
}

.input-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 15px;
  font-family: inherit;
  background: white;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.contact-form textarea {
  grid-column: 1 / -1;
  margin-bottom: 24px;
  resize: vertical;
  min-height: 100px;
}

.contact-form .submit-btn {
  width: 100%;
  background: #3b82f6;
  color: white;
  border: none;
  padding: 14px 24px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.contact-form .submit-btn:hover {
  background: #333;
  transform: translateY(-1px);
}

.contact-form .submit-btn:active {
  transform: translateY(0);
}

/* Floating Contact Form */
.floating-contact {
  position: relative;
  z-index: 10;
  margin-top: -100px;
  margin-bottom: 80px;
}

.contact-form-floating {
  max-width: 600px;
  margin: 0 auto;
  background: linear-gradient(135deg, #ffffff 0%, #f8fffe 100%);
  padding: 2.5rem;
  border-radius: 16px;
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(255, 255, 255, 0.8);
  border: 3px solid #3498db;
  text-align: center;
  backdrop-filter: blur(10px);
}

.contact-form-floating h3 {
  color: #2c3e50;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.contact-form-floating p {
  color: #666;
  margin-bottom: 2rem;
  font-size: 1rem;
}

.contact-form-floating .form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.contact-form-floating input,
.contact-form-floating select,
.contact-form-floating textarea {
  width: 100%;
  padding: 0.875rem;
  border: 2px solid #e1e5e9;
  border-radius: 8px;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  font-family: inherit;
  background: white;
}

.contact-form-floating input:focus,
.contact-form-floating select:focus,
.contact-form-floating textarea:focus {
  outline: none;
  border-color: #3498db;
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
  transform: translateY(-1px);
}

.contact-form-floating textarea {
  grid-column: 1 / -1;
  margin-bottom: 1.5rem;
  resize: vertical;
}

.contact-form-floating .submit-btn {
  background: linear-gradient(135deg, #3498db, #2980b9);
  color: white;
  border: none;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-form-floating .submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
  background: linear-gradient(135deg, #2980b9, #3498db);
}

.contact-form-floating .btn-icon {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.contact-form-floating .submit-btn:hover .btn-icon {
  transform: scale(1.1);
}

/* Footer - Enhanced with Address */
footer {
  background: #2c3e50;
  color: #ecf0f1;
  padding: 60px 0 20px;
  margin-top: 0;
}

.footer-compact {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  /* margin-bottom: 2rem; */
  padding-bottom: 2rem;
  /* border-bottom: 1px solid #34495e; */
}

/* Company Info with Address */
.company-logo {
  margin-bottom: 1rem;
}

.footer-logo {
  height: 60px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}

.company-info h4 {
  color: #3498db;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.company-info p {
  margin: 0.5rem 0;
  color: #bdc3c7;
  line-height: 1.5;
}

.company-slogan {
  font-style: italic;
  color: #95a5a6;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.company-address {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.address-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #bdc3c7;
  font-size: 0.9rem;
}

.address-item .contact-icon {
  color: #3498db;
  flex-shrink: 0;
}

/* Footer Links */
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-policies {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  margin: 0;
}

.footer-policies a {
  color: #bdc3c7;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.link-group h5 {
  color: #3498db;
  margin-bottom: 0.9rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.link-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.link-group ul li {
  margin-bottom: 0.6rem;
}

.link-group ul li a {
  color: #bdc3c7;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.link-group ul li a:hover {
  color: #3498db;
}

/* Contact Info in Footer */
.contact-info-footer {
  margin-bottom: 1rem;
}

.contact-info-footer p {
  margin: 0.3rem 0;
  font-size: 0.85rem;
  color: #bdc3c7;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-info-footer .contact-icon {
  color: #3498db;
  flex-shrink: 0;
}

.contact-info-footer a {
  color: #3498db;
  text-decoration: none;
}

.contact-info-footer a:hover {
  text-decoration: underline;
}

/* Social Links */
.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
  align-items: center;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ecf0f1;
  transition: all 0.3s ease;
  text-decoration: none;
  padding: 0.5rem;
}

.social-links a:hover {
  color: #3498db;
  transform: translateY(-2px);
}

.social-links svg {
  width: 24px;
  height: 24px;
}

/* Footer Bottom */
.footer-bottom {
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid #34495e;
}

.footer-bottom p {
  margin: 0;
  color: #95a5a6;
  font-size: 0.85rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .contact-section {
    padding: 60px 0;
  }

  .contact-form-main {
    padding: 1.5rem;
    margin: 0 1rem;
  }

  .contact-form-main .form-grid {
    grid-template-columns: 1fr;
  }

  .floating-contact {
    margin-top: -60px;
    margin-bottom: 40px;
  }

  .contact-form-floating {
    padding: 1.5rem;
    margin: 0 1rem;
  }

  .contact-form-floating .form-grid {
    grid-template-columns: 1fr;
  }

  /* Footer Mobile Styles */
  .footer-main {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .company-info {
    text-align: center;
  }

  .company-address {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .address-item {
    justify-content: center;
    text-align: center;
  }

  .link-group {
    text-align: center;
  }

  .link-group h5 {
    text-align: center;
  }

  .link-group ul {
    text-align: center;
  }

  .contact-info-footer {
    text-align: center;
  }

  .contact-info-footer p {
    justify-content: center;
  }

  .social-links {
    justify-content: center;
    gap: 1rem;
  }

  .footer-bottom {
    text-align: center;
  }

  .footer-bottom p {
    text-align: center;
  }
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #004f9f, #0066cc);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 79, 159, 0.3);
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

[data-aos="fade-up"] {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos="fade-up"].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

[data-aos="zoom-in"] {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos="zoom-in"].aos-animate {
  opacity: 1;
  transform: scale(1);
}

/* Footer */
footer {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #e2e8f0;
  padding: 50px 0 30px;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #3b82f6, transparent);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h4 {
  color: white;
  font-size: 1.3rem;
  margin-bottom: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff, #e2e8f0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-section p {
  color: #94a3b8;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 8px;
}

.footer-section ul li a {
  color: #94a3b8;
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: 400;
}

.footer-section ul li a:hover {
  color: #3b82f6;
  transform: translateX(4px);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
  align-items: center;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ecf0f1;
  transition: all 0.3s ease;
  text-decoration: none;
  padding: 0.5rem;
}

.social-links a:hover {
  color: #3498db;
  transform: translateY(-2px);
}

.social-links svg {
  width: 24px;
  height: 24px;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #94a3b8;
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.5);
}

/* Responsive Design */
@media (max-width: 1024px) {
  nav {
    padding: 0 24px;
    height: 80px;
  }

  .hero-banner {
    margin-top: 80px;
  }

  .logo-container {
    gap: 24px;
  }

  .nav-links {
    gap: 16px;
  }

  .slide-overlay {
    left: 8%;
    max-width: 84%;
    text-align: left;
    top: 50%;
    min-height: 250px;
  }

  .hero-controls {
    bottom: 30px;
  }

  .slider-dot {
    width: 10px;
    height: 10px;
  }

  .slide-overlay h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    min-height: 100px;
  }

  .slide-overlay p {
    font-size: 1.2rem;
    margin-bottom: 32px;
    max-width: none;
    min-height: 72px;
  }

  .intro {
    grid-template-columns: 1fr;
    grid-template-areas:
      "main-content"
      "highlight"
      "mission"
      "vision"
      "values"
      "stats-1"
      "stats-2"
      "stats-3"
      "stats-4";
    gap: 20px;
  }

  .intro-main {
    padding: 32px 24px;
  }

  .intro-main h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
  }

  .intro-main p {
    font-size: 1rem;
    margin-bottom: 16px;
  }

  .intro-highlight,
  .intro-mission,
  .intro-vision,
  .intro-values {
    padding: 24px 20px;
  }

  .intro-stat {
    padding: 20px 16px;
  }

  .intro-stat h3 {
    font-size: 1.8rem;
  }

  .intro-stats {
    flex-direction: column;
    gap: 20px;
  }

  .solutions-zigzag {
    gap: 40px;
    max-width: none;
  }

  .solution-card {
    max-width: 400px;
    padding: 30px;
  }

  .card-number {
    font-size: 2.5rem;
  }

  .card-icon {
    font-size: 3rem;
  }

  .solution-card h3 {
    font-size: 1.4rem;
  }

  .solution-card p {
    font-size: 1rem;
  }

  .gallery {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
  }

  .section {
    padding: 50px 0;
  }
}

@media (max-width: 768px) {
  nav {
    padding: 0 20px;
    height: 70px;
  }

  .hero-banner {
    margin-top: 70px;
    height: 80vh;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    border-radius: 0 0 16px 16px;
  }

  .nav-links.mobile-active {
    display: flex;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .slide-overlay {
    left: 8%;
    max-width: 84%;
    text-align: left;
    top: 50%;
    min-height: 220px;
  }

  .hero-controls {
    bottom: 25px;
  }

  .slider-dot {
    width: 8px;
    height: 8px;
  }

  .slide-overlay h1 {
    font-size: 2.2rem;
    margin-bottom: 16px;
    min-height: 80px;
  }

  .slide-overlay p {
    font-size: 1.1rem;
    margin-bottom: 28px;
    max-width: none;
    min-height: 66px;
  }

  .cta-button {
    padding: 14px 28px;
    font-size: 1rem;
  }

  h2 {
    font-size: 2.2rem;
    margin-bottom: 40px;
  }

  .section {
    padding: 60px 0;
  }

  .intro {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "main-content main-content"
      "highlight mission"
      "vision values"
      "stats-1 stats-2"
      "stats-3 stats-4";
    gap: 16px;
  }

  .intro-main {
    padding: 28px 20px;
  }

  .intro-main h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
  }

  .intro-main p {
    font-size: 0.95rem;
    margin-bottom: 14px;
  }

  .intro-highlight,
  .intro-mission,
  .intro-vision,
  .intro-values {
    padding: 20px 16px;
  }

  .intro-highlight h4,
  .intro-mission h4,
  .intro-vision h4,
  .intro-values h4 {
    font-size: 1.1rem;
  }

  .intro-stat {
    padding: 18px 14px;
  }

  .intro-stat h3 {
    font-size: 1.6rem;
  }

  .intro-stats {
    flex-direction: column;
    gap: 20px;
  }

  .solutions-zigzag {
    gap: 30px;
    margin-top: 40px;
  }

  .solution-row {
    justify-content: center;
  }

  .left-align,
  .right-align {
    justify-content: center;
  }

  .solution-card {
    max-width: none;
    width: 100%;
    padding: 25px;
    text-align: center;
  }

  .right-align .solution-card {
    text-align: center;
  }

  .card-number {
    font-size: 2rem;
    position: static;
    margin-bottom: 10px;
    color: rgba(59, 130, 246, 0.2);
  }

  .right-align .card-number {
    left: auto;
    right: auto;
  }

  .card-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
  }

  .solution-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
  }

  .solution-card p {
    font-size: 0.95rem;
  }

  .gallery {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 40px;
  }

  .gallery-item img {
    height: 220px;
  }

  .contact-info {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* Contact Form Mobile */
  .contact-section {
    padding: 60px 0;
  }

  .contact-header h2 {
    font-size: 2rem;
  }

  .contact-form {
    padding: 32px 24px;
  }

  .input-group {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }

  .social-links {
    justify-content: center;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .slide-overlay {
    left: 3%;
    max-width: 94%;
    top: 50%;
    min-height: 200px;
  }

  .hero-controls {
    bottom: 20px;
  }

  .slider-dot {
    width: 6px;
    height: 6px;
  }

  .slide-overlay h1 {
    font-size: 1.8rem;
    margin-bottom: 12px;
    min-height: 72px;
  }

  .slide-overlay p {
    font-size: 1rem;
    margin-bottom: 24px;
    min-height: 60px;
  }

  .cta-button {
    padding: 12px 24px;
    font-size: 0.9rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  /* Contact Form Mobile Small */
  .contact-header h2 {
    font-size: 1.8rem;
  }

  .contact-header p {
    font-size: 1rem;
  }

  .contact-form {
    padding: 24px 20px;
  }

  .card {
    padding: 24px 20px;
  }

  .stat h3 {
    font-size: 2rem;
  }

  .gallery-item img {
    height: 180px;
  }
}

@media (max-width: 480px) {
  nav {
    height: 70px;
    padding: 0 10px;
  }

  .hero-banner {
    margin-top: 70px;
    height: 60vh;
  }

  .slide-overlay {
    left: 2%;
    max-width: 96%;
    top: 50%;
    min-height: 180px;
  }

  .hero-controls {
    bottom: 15px;
  }

  .slider-dot {
    width: 6px;
    height: 6px;
  }

  .slide-overlay h1 {
    font-size: 1.5rem;
    min-height: 60px;
  }

  .slide-overlay p {
    font-size: 0.9rem;
    margin-bottom: 20px;
    min-height: 54px;
  }

  .cta-button {
    padding: 12px 24px;
    font-size: 1rem;
  }

  .section {
    padding: 40px 0;
  }

  .card {
    padding: 20px;
  }

  .back-to-top {
    width: 45px;
    height: 45px;
    bottom: 20px;
    right: 20px;
  }
}

/* Loading Animation */
.loading {
  opacity: 0;
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Smooth transitions for all interactive elements */
a,
button,
input,
textarea,
select {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Custom scrollbar - Minimal Design */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(59, 130, 246, 0.3);
  border-radius: 3px;
  transition: all 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(59, 130, 246, 0.6);
}

/* Selection styling */
::selection {
  background: rgba(59, 130, 246, 0.2);
  color: #0f172a;
}

/* Focus styles for accessibility */
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}

/* Solutions Section - Category-based Layout */
.section-intro {
  text-align: center;
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.solution-categories {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.category-group {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.9));
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.category-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 1.5rem;
  text-align: center;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #3498db;
}

.category-products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border-left: 4px solid #3498db;
}

.product-card.featured {
  border-left-color: #e74c3c;
  background: linear-gradient(135deg, rgba(231, 76, 60, 0.05), rgba(255, 255, 255, 0.95));
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.product-card .card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.product-card h4 {
  font-size: 1.2rem;
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 0.75rem;
}

.product-card p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0 0;
}

.feature-list li {
  padding: 0.25rem 0;
  color: #555;
  font-size: 0.9rem;
  position: relative;
  padding-left: 1.5rem;
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #27ae60;
  font-weight: bold;
}

/* Tech Stats */
.tech-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  padding: 2rem;
  background: linear-gradient(135deg, #667eea, #764ba2);
  border-radius: 16px;
  color: white;
}

.achievement-item {
  text-align: center;
}

.achievement-number {
  color: #004f9f;
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.achievement-label {
  color: #495057;
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .category-group {
    padding: 1.5rem;
  }

  .category-title {
    font-size: 1.3rem;
  }

  .category-products {
    grid-template-columns: 1fr;
  }

  .tech-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .stat-number {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .tech-stats {
    grid-template-columns: 1fr;
  }

  .section-intro {
    font-size: 1rem;
  }
}

/* Solutions Section - Clean Minimal Design */
.section-header-clean {
  text-align: center;
  margin-bottom: 4rem;
}

.section-description {
  font-size: 1.125rem;
  color: #64748b;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.solution-card {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  border: 1px solid rgba(226, 232, 240, 0.8);
  position: relative;
  overflow: hidden;
}



.solution-card.primary::before {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.solution-card.secondary::before {
  background: linear-gradient(135deg, #10b981, #059669);
}

.solution-card.accent::before {
  background: linear-gradient(135deg, #f59e0b, #d97706);
}

.solution-card.highlight::before {
  background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.solution-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.solution-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #f8fafc, #e2e8f0);
  border-radius: 12px;
  color: #475569;
  flex-shrink: 0;
}

.solution-card.primary .solution-icon {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(29, 78, 216, 0.1));
  color: #3b82f6;
}

.solution-card.secondary .solution-icon {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1));
  color: #10b981;
}

.solution-card.accent .solution-icon {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(217, 119, 6, 0.1));
  color: #f59e0b;
}

.solution-card.highlight .solution-icon {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(124, 58, 237, 0.1));
  color: #8b5cf6;
}

.solution-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1e293b;
  margin: 0;
  flex: 1;
}

.solution-tag {
  background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
  color: #64748b;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.solution-card.primary .solution-tag {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(29, 78, 216, 0.1));
  color: #3b82f6;
}

.solution-card.secondary .solution-tag {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1));
  color: #10b981;
}

.solution-card.accent .solution-tag {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(217, 119, 6, 0.1));
  color: #f59e0b;
}

.solution-card.highlight .solution-tag {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(124, 58, 237, 0.1));
  color: #8b5cf6;
}

.solution-card p {
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.solution-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.solution-features span {
  background: #f8fafc;
  color: #475569;
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid #e2e8f0;
}

.tech-achievements {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, #1e293b, #334155);
  border-radius: 16px;
  color: white;
  max-width: 1000px;
  margin: 0 auto;
}

.achievement-item {
  text-align: center;
}

.achievement-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #60a5fa, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.achievement-label {
  font-size: 0.9rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #cbd5e1;
}

/* Partners Section */
.partners-section {
  padding: 80px 0;
  /* background: #fafbfc; */
  position: relative;
  overflow: visible;
  /* Allow brush stroke to overflow beyond section boundaries */
}

/* Single Full-Size Brush Stroke with Drawing Animation - Oversized */
.brush-stroke-full {
  position: absolute;
  top: -20%;
  left: -5%;
  width: 150%;
  height: 150%;
  background: url('../images/decorations/brush-glitch.png') no-repeat;
  background-size: cover;
  /* rotate: -180deg; */
  background-position: center;
  overflow-x: hidden;
  opacity: 0;
  z-index: 1;
  pointer-events: none;
  filter: brightness(10%) saturate(100%) invert(36%) sepia(100%) opacity(60%) saturate(1000%) hue-rotate(180deg);
  clip-path: inset(0 100% 0 0);
  animation: none;
  transition: opacity 0.3s ease;
}

/* Lazy load trigger - Animation starts when this class is added */
.brush-stroke-full.lazy-loaded {
  opacity: 1;
}

/* Animation class for enhanced control */
.brush-stroke-full.animate {
  animation: brushDrawLeftToRight 3s ease-in-out 0.2s forwards;
}

/* Alternative direction for right-to-left drawing */
.brush-stroke-full.draw-right-to-left.animate {
  clip-path: inset(0 0 0 100%);
  animation: brushDrawLeftToRight 3s ease-in-out 0.2s forwards;
}

/* Enhanced drawing animation with better easing */
@keyframes brushDrawLeftToRight {
  0% {
    clip-path: inset(0 100% 0 0);
    opacity: 0;
  }

  15% {
    opacity: 0.3;
    clip-path: inset(0 85% 0 0);
  }

  50% {
    opacity: 0.7;
    clip-path: inset(0 50% 0 0);
  }

  100% {
    opacity: 0.8;
    clip-path: inset(0 0% 0 0);
  }
}

@keyframes brushDrawRightToLeft {
  0% {
    clip-path: inset(0 0 0 100%);
    opacity: 0;
  }

  15% {
    opacity: 0.3;
    clip-path: inset(0 0 0 85%);
  }

  50% {
    opacity: 0.7;
    clip-path: inset(0 0 0 50%);
  }

  100% {
    opacity: 0.8;
    clip-path: inset(0 0 0 0%);
  }
}

.partners-content {
  position: relative;
  z-index: 2;
}

.partners-header {
  text-align: center;
  margin-bottom: 50px;
}

.partners-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 16px;
  position: relative;
}

/* .partners-header h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #3b82f6, #1d4ed8);
  border-radius: 2px;
} */

.partners-subtitle {
  font-size: 1.1rem;
  color: #64748b;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Partners Grid */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 60px;
}

/* Horizontal Scroll Container */
.partners-scroll-container {
  position: relative;
  overflow: hidden;
  margin: 0 -20px;
  padding: 20px 0;
}

/* Sử dụng CSS mask thay vì pseudo-elements */
.partners-scroll-wrapper {
  mask: linear-gradient(to right,
      transparent 0%,
      black 80px,
      black calc(100% - 80px),
      transparent 100%);
  -webkit-mask: linear-gradient(to right,
      transparent 0%,
      black 80px,
      black calc(100% - 80px),
      transparent 100%);
}

/* Xóa các pseudo-elements cũ */
.partners-scroll-container::before,
.partners-scroll-container::after {
  display: none;
}

/* Enhanced scroll wrapper for manual control */
.partners-scroll-wrapper {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0 20px;
  scrollbar-width: none;
  /* Firefox */
  -ms-overflow-style: none;
  /* IE/Edge */
  scroll-behavior: smooth;
  /* Remove drag cursor styles */
  position: relative;

}

.partners-scroll-wrapper::-webkit-scrollbar {
  display: none;
  /* Chrome/Safari */
}

.partners-track {
  display: flex;
  gap: 24px;
  padding: 20px 0;
  width: max-content;
  transition: transform 0.3s ease;
  /* Auto-scroll animation */
  animation: partnersAutoScroll 40s linear infinite;
}

/* Auto-scroll animation keyframes */
@keyframes partnersAutoScroll {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

/* Pause animation on hover for better UX */
.partners-scroll-wrapper:hover .partners-track {
  animation-play-state: paused;
}

/* Enhanced smooth scroll behavior */
.partners-scroll-wrapper.manual-control .partners-track {
  animation-play-state: paused;
}

/* Partner Card - Enhanced with better contrast */
.partner-item {
  flex: 0 0 auto;
  width: 300px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(99px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  cursor: pointer;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.1),
    0 4px 16px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  overflow: hidden;
}

.partner-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}


.partner-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);

  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}

.partner-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 50%;
  background: linear-gradient(180deg,
      rgba(255, 255, 255, 0.1) 0%,
      rgba(255, 255, 255, 0.05) 50%,
      transparent 100%);
  border-radius: 20px 20px 0 0;
  pointer-events: none;
  z-index: 1;
}


.partner-item:hover {
  /* background: linear-gradient(135deg, #f8fafc 0%, #f3f8ff 100%); */

  border-color: rgba(59, 130, 246, 0.3);
  transform: translateY(-4px);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.12),
    0 4px 16px rgba(59, 130, 246, 0.1);
}

.partner-item:hover::before {
  opacity: 1;
  left: 100%;
}


.partner-logo {
  width: 160px;
  height: 160px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all 0.3s ease;
  padding: 8px;
}

.partner-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
  filter: brightness(1) saturate(1.1);
  transition: all 0.3s ease;
}

.partner-item:hover .partner-logo {
  border-color: rgba(59, 130, 246, 0.2);
  transform: scale(1.02);
}

.partner-item:hover .partner-logo img {
  filter: brightness(1.1) saturate(1.2);
  transform: scale(1.05);
}

/* Remove logo hover effects */

.partner-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: #1e293b;
  line-height: 1.3;
  margin: 0;
  letter-spacing: 0.02em;
  padding: 4px 0;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.partner-item:hover .partner-name {
  color: #3b82f6;
  font-weight: 700;
}

/* Remove name hover effects */





/* Responsive */
@media (max-width: 768px) {
  .partners-section {
    padding: 60px 0;
  }

  .partners-header h2 {
    font-size: 2rem;
  }

  .partner-item {
    width: 140px;
    padding: 20px 12px;
  }

  .partner-logo {
    width: 50px;
    height: 50px;
    font-size: 1.3rem;
    padding: 6px;
  }

  .partner-name {
    font-size: 0.85rem;
  }

  .partners-track {
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .partner-item {
    width: 120px;
    padding: 16px 8px;
  }

  .partner-logo {
    width: 45px;
    height: 45px;
    font-size: 1.2rem;
    margin-bottom: 12px;
    padding: 5px;
  }
}

@media (max-width: 1024px) {
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .section-header-clean h2 {
    font-size: 2rem;
  }

  .section-description {
    font-size: 1rem;
  }

  .solutions-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .solution-card {
    padding: 1.5rem;
  }

  .solution-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .solution-header h3 {
    font-size: 1.1rem;
  }

  .tech-achievements {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    padding: 2rem 1.5rem;
  }

  .achievement-number {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .tech-achievements {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.intro-simple {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.intro-simple h3 {
  font-size: 2rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 2rem;
  line-height: 1.3;
}

.intro-simple p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #555;
  margin-bottom: 1.5rem;
  text-align: justify;
}

.intro-simple p strong {
  color: #2c3e50;
  font-weight: 600;
}

@media (max-width: 768px) {
  .intro-simple h3 {
    font-size: 1.5rem;
  }

  .intro-simple p {
    font-size: 1rem;
    text-align: left;
  }

  /* Gallery Mobile Styles */
  .section-header-minimal h2 {
    font-size: 2rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }

  .gallery-minimal {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
  }

  .image-container {
    height: 250px;
  }

  .image-overlay {
    padding: 1.5rem;
  }

  .image-title {
    font-size: 1rem;
  }

  .gallery-caption {
    margin-top: 2rem;
    padding-top: 1.5rem;
  }

  .gallery-caption p {
    font-size: 0.9rem;
  }
}

/* Enhanced Slider Responsive Design */
@media (max-width: 768px) {
  .slider {
    cursor: default;
    /* Touch devices don't need grab cursor */
  }

  .slide {
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    /* Faster on mobile */
  }

  .slide-overlay h1 {
    font-size: clamp(2rem, 8vw, 3.5rem);
    min-height: 80px;
  }

  .slide-overlay p {
    font-size: 1.1rem;
    min-height: 60px;
  }

  .cta-button {
    padding: 16px 32px;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .hero-banner {
    height: 80vh;
    /* Shorter on very small screens */
  }

  .slide-overlay {
    left: 5%;
    max-width: 90%;
  }

  .slide-overlay h1 {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
    margin-bottom: 20px;
    min-height: 60px;
  }

  .slide-overlay p {
    font-size: 1rem;
    margin-bottom: 32px;
    min-height: 50px;
  }

  .cta-button {
    padding: 14px 28px;
    font-size: 0.95rem;
  }
}

/* Responsive styling for title icons */
@media (max-width: 1024px) {

  /* Hide icons on tablet and mobile for cleaner look */
  #gioi-thieu h2::after,
  #tin-tuc h2::after,
  #dich-vu h2::after,
  .partners-section h2::after,
  #lien-he h2::after {
    display: none;
  }

  /* Adjust section title size */
  .section h2 {
    font-size: clamp(2rem, 4vw, 3rem);
  }
}

@media (max-width: 768px) {

  /* Further adjustments for mobile */
  .section h2 {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    margin-bottom: 2rem;
  }

  .section.in-view h2::before {
    width: 80px;
  }

  .section.in-view h2::after {
    width: 100px;
  }
}

@media (max-width: 480px) {
  .section h2 {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin-bottom: 1.5rem;
  }

  .section.in-view h2::before {
    width: 60px;
  }

  .section.in-view h2::after {
    width: 80px;
  }
}

/* Solution Card Interactive Styling */
.solution-card {
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(29, 78, 216, 0.05) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.solution-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.solution-modal.active {
  display: block;
  opacity: 1;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
}

.modal-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.7);
  background: white;
  border-radius: 16px;
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.solution-modal.active .modal-container {
  transform: translate(-50%, -50%) scale(1);
}

.modal-header {
  text-align: center;
  padding: 24px 24px 16px;
  border-bottom: 1px solid #e5e7eb;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 28px;
  color: #9ca3af;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: #f3f4f6;
  color: #374151;
}

.modal-icon-large {
  font-size: 3.5rem;
  margin-bottom: 16px;
}


.modal-content {
  padding: 24px;
}

.modal-description {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #4b5563;
  margin-bottom: 24px;
  text-align: center;
}

.modal-features,
.modal-benefits,
.modal-tech {
  margin-bottom: 24px;
}

.modal-features h4,
.modal-benefits h4,
.modal-tech h4 {
  color: #1e293b;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.features-list,
.benefits-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.features-list li,
.benefits-list li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  color: #4b5563;
  line-height: 1.6;
}

.features-list li::before,
.benefits-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #10b981;
  font-weight: bold;
  font-size: 1.1rem;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tag {
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  color: white;
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.85rem;
  font-weight: 500;
  display: inline-block;
}

.modal-footer {
  padding: 24px;
  border-top: 1px solid #e5e7eb;
  display: flex;
  gap: 12px;
  justify-content: center;
}

.btn-contact,

.btn-contact {
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  color: white;
}

.btn-contact:hover {
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
  transform: translateY(-2px);
}

.btn-demo {
  background: white;
  color: #3b82f6;
  border: 2px solid #3b82f6;
}

.btn-demo:hover {
  background: #3b82f6;
  color: white;
  transform: translateY(-2px);
}

/* Responsive Modal */
@media (max-width: 768px) {

  .btn-contact,
  .btn-demo {
    width: 100%;
  }
}

/* ==========================================
   SERVICES SECTION STYLES
   ========================================== */

.services-section {
  /* background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%); */
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

/* .services-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
} */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.service-item {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  /* padding: 40px 30px; */
  text-align: center;
  transition: all 0.4s ease;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);

}

.service-content {
  padding: 20px 20px;
}

.service-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(74, 144, 226, 0.1), transparent);
  transition: left 0.6s ease;
}

.service-item:hover::before {
  left: 100%;
}

.service-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: rgba(74, 144, 226, 0.3);
}

.service-image {
  width: 100%;
  height: 200px;
  margin: 0 0;
  /* background: linear-gradient(135deg, #4a90e2 0%, #3498db 100%); */

  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all 0.4s ease;
  position: relative;
  z-index: 2;
  overflow: hidden;
  /* padding: 8px; */
}




.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* border-radius: 50%; */
  filter: brightness(1.1) contrast(1.1);
}

.service-item h3 {
  font-size: 1.4rem;
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 15px;
  position: relative;
  z-index: 2;
}

.service-item p {
  font-size: 1rem;
  color: #6c757d;
  line-height: 1.6;
  margin-bottom: 15px;
  position: relative;
  z-index: 2;
}

.service-features {
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
  z-index: 2;
}

.service-features li {
  padding: 0px 0;
  color: #495057;
  font-size: 0.95rem;
  position: relative;
  transition: all 0.3s ease;
}

.service-features li::before {
  content: '✓';
  color: #4a90e2;
  font-weight: bold;
  margin-right: 10px;
  font-size: 1.1rem;
}

.service-item:hover .service-features li {
  color: #2c3e50;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .services-section {
    padding: 60px 0;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }

  .service-item {
    padding: 30px 20px;
  }

  .service-image {
    width: 70px;
    height: 70px;
  }

  .service-image svg {
    width: 32px;
    height: 32px;
  }

  .service-item h3 {
    font-size: 1.2rem;
  }

  .service-item p {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .service-item {
    padding: 25px 15px;
  }

  .service-image {
    width: 60px;
    height: 60px;
  }

  .service-image svg {
    width: 28px;
    height: 28px;
  }
}

/* ==========================================
   ACHIEVEMENTS SECTION STYLES
   ========================================== */

.achievements-section {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
  padding: 100px 0;
  position: relative;
  /* overflow: hidden; */
}

.achievements-section::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="achievements-grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(52,152,219,0.08)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23achievements-grid)"/></svg>');
  opacity: 0.6;
  animation: float 15s ease-in-out infinite;
  pointer-events: none;
}



@keyframes shimmer {

  0%,
  100% {
    opacity: 0.8;
    transform: translateX(-50%) scaleX(1);
  }

  50% {
    opacity: 1;
    transform: translateX(-50%) scaleX(1.2);
  }
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
  margin-top: 60px;
  margin-bottom: 80px;
}

.achievement-item {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  padding: 40px 30px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.achievement-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(52, 152, 219, 0.1), transparent);
  transition: left 0.6s ease;
}

.achievement-item:hover::before {
  left: 100%;
}

.achievement-item:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.15),
    0 0 30px rgba(52, 152, 219, 0.2);
  border-color: rgba(52, 152, 219, 0.3);
}

.achievement-icon {
  margin-bottom: 25px;
  position: relative;
  z-index: 2;
}

.icon-wrapper {
  width: 80px;
  height: 80px;
  margin: 0 auto;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: white;
  position: relative;
  transition: all 0.4s ease;
  box-shadow:
    0 10px 20px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.achievement-item:hover .icon-wrapper {
  transform: rotateY(360deg) scale(1.1);
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.icon-wrapper::before {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  background: linear-gradient(45deg, #3b82f6, #8b5cf6, #ec4899, #3b82f6);
  border-radius: 50%;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
  animation: spin 3s linear infinite;
}

.achievement-item:hover .icon-wrapper::before {
  opacity: 0.7;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

.achievement-content {
  position: relative;
  z-index: 2;
}

.achievement-content h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 10px;
  transition: color 0.3s ease;
}

.achievement-item:hover .achievement-content h3 {
  color: #34495e;
}

.achievement-year {
  font-size: 1.1rem;
  font-weight: 600;
  color: #3b82f6;
  margin-bottom: 15px;
  position: relative;
}

.achievement-year::before {
  content: '●';
  margin-right: 8px;
  color: #3b82f6;
}

.achievement-content p:not(.achievement-year) {
  font-size: 1rem;
  color: #6c757d;
  line-height: 1.6;
  transition: color 0.3s ease;
}

.achievement-item:hover .achievement-content p:not(.achievement-year) {
  color: #495057;
}

/* Statistics section */
.achievements-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  padding: 50px 0;
  border-top: 1px solid rgba(52, 152, 219, 0.2);
  border-bottom: 1px solid rgba(52, 152, 219, 0.2);
  border-radius: 20px;
  backdrop-filter: blur(10px);
}

.achievements-stats .achievement-item {
  padding: 30px 20px;
  background: none;
  border: none;
  box-shadow: none;
}

.achievements-stats .achievement-item::before {
  content: none;
}


.achievement-number {
  color: #004f9f;
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.achievement-label {
  color: #495057;
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Responsive design */
@media (max-width: 768px) {
  .achievements-section {
    padding: 80px 0;
  }

  .achievements-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 40px;
    margin-bottom: 60px;
  }

  .achievement-item {
    padding: 30px 20px;
  }

  .icon-wrapper {
    width: 70px;
    height: 70px;
    font-size: 2rem;
  }

  .achievement-content h3 {
    font-size: 1.2rem;
  }

  .achievements-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 30px 0;
  }

  .stat-number {
    font-size: 2.5rem;
  }
}

@media (max-width: 480px) {
  .achievement-item {
    padding: 25px 15px;
  }

  .icon-wrapper {
    width: 60px;
    height: 60px;
    font-size: 1.8rem;
  }

  .achievement-content h3 {
    font-size: 1.1rem;
  }

  .achievement-content p:not(.achievement-year) {
    font-size: 0.9rem;
  }

  .achievements-stats {
    grid-template-columns: 1fr;
    gap: 15px;
    padding: 25px 0;
  }

  .stat-number {
    font-size: 2rem;
  }

  .stat-label {
    font-size: 0.9rem;
  }
}

/* Counter animation for stats */
@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.stat-number.counting {
  animation: countUp 0.8s ease-out;
}

/* Special glow effect for achievement icons */
.achievement-item:hover .icon-wrapper {
  box-shadow:
    0 0 20px rgba(52, 152, 219, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* Gradient text animation for stats */
.stat-number {
  background-size: 200% 200%;
  animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {

  0%,
  100% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }
}

/* ==========================================
   ELEGANT AWARDS SECTION - REFINED DESIGN
   ========================================== */

.sundt-awards-section {
  padding: 0;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Awards Hero Header - Elegant & Modern */
.awards-hero-header {
  position: relative;
  height: 65vh;
  min-height: 500px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

.awards-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.8;
}

.awards-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg,
      rgba(15, 23, 42, 0.85) 0%,
      rgba(30, 41, 59, 0.75) 50%,
      rgba(59, 130, 246, 0.1) 100%);
  backdrop-filter: blur(1px);
}

.awards-hero-content {
  position: relative;
  z-index: 2;
  color: white;
  /* max-width: 900px; */
  padding: 0 20px;
}

.awards-hero-content h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 800;
  margin-bottom: 32px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  line-height: 1.1;
  background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.awards-hero-content p {
  font-size: 1.25rem;
  line-height: 1.8;
  color: rgba(241, 245, 249, 0.95);
  max-width: 750px;
  margin: 0 auto 40px;
  text-align: justify;
  font-weight: 400;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Description Section - Clean & Sophisticated */
.awards-description {
  padding: 80px 0;
  text-align: center;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.awards-description p {
  font-size: 1.2rem;
  line-height: 1.9;
  color: #64748b;
  font-style: italic;
  font-weight: 400;
  max-width: 950px;
  margin: 0 auto;
  padding: 0 20px;
}

/* New & Noteworthy Section - Premium Design */
.awards-noteworthy {
  padding: 100px 0;
  width: 100%;
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 50%, #f8fafc 100%);
  position: relative;
}

.awards-noteworthy::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.02) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(147, 51, 234, 0.02) 0%, transparent 50%);
  pointer-events: none;
}

.awards-noteworthy h2 {
  text-align: center;
  font-size: clamp(2.2rem, 4vw, 3rem);
  color: #1e293b;
  font-style: italic;
  margin-bottom: 80px;
  font-weight: 300;
  position: relative;
  z-index: 1;
}

.noteworthy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

.noteworthy-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(226, 232, 240, 0.6);
  box-shadow:
    0 4px 20px rgba(0, 0, 0, 0.04),
    0 1px 3px rgba(0, 0, 0, 0.08);
}

.noteworthy-card:hover {
  transform: translateY(-8px);
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.15),
    0 4px 12px rgba(59, 130, 246, 0.25);
  border-color: rgba(59, 130, 246, 0.3);
}

.noteworthy-background {
  position: relative;
  width: 100%;
  height: 350px;
  overflow: hidden;
  border-radius: 12px;
}

.noteworthy-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.noteworthy-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  background: linear-gradient(135deg,
      rgba(0, 0, 0, 0.7) 0%,
      rgba(0, 0, 0, 0.5) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 30px 20px;
  border-radius: 12px;
  color: white;
}

.noteworthy-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);
  z-index: 2;
}

.noteworthy-icon {
  display: none;
}

.noteworthy-number {
  font-size: clamp(2.8rem, 5vw, 4rem);
  font-weight: 900;
  margin-bottom: 20px;
  line-height: 1;
  color: white;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.noteworthy-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  line-height: 1.3;
  color: white;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.noteworthy-source {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
  font-weight: 500;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Featured Award Section - Sundt Style Layout */
.featured-award-section {
  padding: 100px 0;
  background: #ffffff;
  position: relative;
  overflow: hidden;

}

.featured-award-content {
  display: grid;
  grid-template-columns: 400px 1fr;

  gap: 80px;
  align-items: center;
  justify-content: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
}

.featured-award-image {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  max-height: 500px;
}

.featured-award-image::before {
  display: none;
}

.featured-award-image img {
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
  z-index: 1;
}

.featured-award-image:hover img {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.featured-award-text {
  position: relative;
  z-index: 2;
  flex: 1;
  max-width: 700px;
}

.featured-award-label {
  margin-bottom: 8px;
  position: relative;
}

.featured-award-label span {
  color: #666666;
  font-style: italic;
  font-size: 0.9rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
  display: inline-block;
  padding: 0;
  background: none;
  border-radius: 0;
  border: none;
}

.featured-award-text h3 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 24px;
  letter-spacing: normal;
  text-transform: uppercase;
  line-height: 1.2;
  position: relative;
  font-family: inherit;
}

.featured-award-text h3::after {
  display: none;
}

.featured-award-text p {
  font-size: 1rem;
  line-height: 1.6;
  color: #555555;
  font-weight: 400;
  text-align: left;
  margin: 0;
}

/* Add floating decorations */
.featured-award-section .floating-decoration {
  position: absolute;
  border-radius: 50%;
  opacity: 0.6;
  z-index: 1;
  pointer-events: none;
}

.featured-award-section .floating-decoration:nth-child(1) {
  top: 15%;
  left: 8%;
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.08));
  animation: float1 8s ease-in-out infinite;
}

.featured-award-section .floating-decoration:nth-child(2) {
  top: 70%;
  right: 10%;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(236, 72, 153, 0.08));
  animation: float2 10s ease-in-out infinite;
  animation-delay: 2s;
}

.featured-award-section .floating-decoration:nth-child(3) {
  top: 40%;
  right: 25%;
  width: 60px;
  height: 60px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
  animation: float3 12s ease-in-out infinite;
  animation-delay: 4s;
}

@keyframes float1 {

  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
    opacity: 0.6;
  }

  50% {
    transform: translateY(-20px) rotate(180deg);
    opacity: 0.8;
  }
}

@keyframes float2 {

  0%,
  100% {
    transform: translateY(0px) rotate(0deg) scale(1);
    opacity: 0.5;
  }

  33% {
    transform: translateY(-15px) rotate(60deg) scale(1.1);
    opacity: 0.7;
  }

  66% {
    transform: translateY(-10px) rotate(120deg) scale(0.9);
    opacity: 0.6;
  }
}

@keyframes float3 {

  0%,
  100% {
    transform: translateX(0px) translateY(0px);
    opacity: 0.4;
  }

  25% {
    transform: translateX(10px) translateY(-8px);
    opacity: 0.6;
  }

  50% {
    transform: translateX(5px) translateY(-15px);
    opacity: 0.8;
  }

  75% {
    transform: translateX(-5px) translateY(-8px);
    opacity: 0.6;
  }
}

/* Additional Honors Section - Refined Typography */
.additional-honors {
  padding: 100px 0;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.additional-honors h2 {
  text-align: center;
  font-size: clamp(2.2rem, 4vw, 3rem);
  color: #1e293b;
  font-style: italic;
  margin-bottom: 80px;
  font-weight: 300;
}

.honors-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.honors-column h3 {
  color: #374151;
  font-style: italic;
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
  margin-top: 50px;
}

.honors-column h3:first-child {
  margin-top: 0;
}

.honors-organization {
  color: #64748b;
  font-weight: 600;
  margin-bottom: 24px;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.honor-item {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: border-color 0.3s ease;
}

.honor-item:hover {
  border-bottom-color: rgba(59, 130, 246, 0.3);
}

.honor-item:last-child {
  border-bottom: none;
}

.honor-item h4 {
  color: #1e293b;
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.5;
}

.honor-item p {
  color: #64748b;
  font-size: 0.95rem;
  margin-bottom: 4px;
  line-height: 1.6;
}

.honor-location {
  font-style: italic;
  color: #6b7280;
}

.honor-year {
  color: #374151;
  font-weight: 700;
  font-size: 0.9rem;
}

.honor-category {
  color: #374151;
  font-style: italic;
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
  margin-top: 50px;
}

/* Responsive Design - Enhanced */
@media (max-width: 1024px) {
  .noteworthy-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
  }

  .noteworthy-background {
    height: 320px;
  }

  .noteworthy-overlay {
    padding: 30px 20px;
  }

  .noteworthy-number {
    font-size: clamp(2.2rem, 4vw, 3.2rem);
  }

  .noteworthy-card h3 {
    font-size: 1.05rem;
  }
}

@media (max-width: 768px) {
  .awards-hero-header {
    height: 55vh;
    min-height: 400px;
  }

  .awards-hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 24px;
  }

  .awards-hero-content p {
    font-size: 1.1rem;
  }

  .noteworthy-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .noteworthy-card {
    margin: 0 10px;
  }

  .noteworthy-background {
    height: 300px;
  }

  .noteworthy-overlay {
    padding: 30px 20px;
  }

  .noteworthy-number {
    font-size: clamp(2.2rem, 8vw, 3rem);
  }

  .noteworthy-card h3 {
    font-size: 1rem;
    margin-bottom: 16px;
  }

  .noteworthy-source {
    font-size: 0.85rem;
  }

  .featured-award-content {
    grid-template-columns: 1fr;
    gap: 60px;
    padding: 0 20px;
  }

  .featured-award-text h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    text-align: center;
  }

  .featured-award-text h2::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .featured-award-section {
    padding: 60px 0;
  }

  .featured-award-section::after {
    display: none;
  }

  .featured-award-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .featured-award-image {
    width: 300px;
    margin: 0 auto;
  }

  .featured-award-text h3 {
    font-size: 1.8rem;
  }

  .featured-award-section .floating-decoration {
    display: none;
  }

  .honors-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .awards-noteworthy,
  .featured-award-section,
  .additional-honors {
    padding: 80px 0;
  }
}

@media (max-width: 1024px) {
  .featured-award-content {
    grid-template-columns: 350px 1fr;
    gap: 60px;
  }
}

@media (max-width: 768px) {
  .featured-award-section {
    padding: 80px 0;
  }

  .featured-award-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: left;
  }

  .featured-award-image {
    width: 100%;
    max-width: 400px;
    min-height: 250px;
    max-height: 400px;
    margin: 0 auto;
  }

  .featured-award-text h3 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .awards-hero-header {
    height: 50vh;
    min-height: 350px;
  }

  .awards-hero-content {
    padding: 0 16px;
  }

  .awards-hero-content h1 {
    font-size: 2rem;
    letter-spacing: 0.25px;
  }

  .awards-hero-content p {
    font-size: 1rem;
  }

  .noteworthy-card {
    padding: 32px 20px;
  }

  .noteworthy-number {
    font-size: 2.5rem;
  }

  .featured-award-text h3 {
    font-size: 1.8rem;
  }

  .featured-award-image {
    max-width: 300px;
    min-height: 200px;
    max-height: 300px;
  }

  .featured-award-content {
    gap: 30px;
    padding: 0 20px;
  }

  .awards-description,
  .awards-noteworthy,
  .featured-award-section,
  .additional-honors {
    padding: 60px 0;
  }

  .featured-award-content,
  .honors-grid {
    gap: 40px;
  }
}

.policy-list li {
  margin-bottom: 6px;
 
}

.policy-list {
  margin: 0 0 0 12px;
  padding: 0;
  list-style: disc inside;
  color: #444;
  font-size: 0.98rem;
}

.policy-list li {
  margin-bottom: 6px;
}

/* --- Policies two-column layout (sidebar left, content right) --- */
.policies-layout {
  display: flex;
  flex-direction: row;
  gap: 200px;
  align-items: flex-start;
  justify-content: center;
  margin: 0 auto 0 auto;
  position: relative;
}

/* Sidebar card */
.policies-sidebar .sidebar-card {
  width: 300px;
  padding: 8px 6px ;
  backdrop-filter: blur(20px);
  box-shadow: 0 0 0 8px rgba(59, 130, 246, 0.08);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(255,255,255,0.95);
  border-radius: 16px;
  /* box-shadow: 0 8px 32px rgba(0,0,0,0.08); */
}

/* Sidebar list */
.sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.policy-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  background: transparent;
  border: none;
  border-radius: 10px;
  padding: 16px 18px;
  cursor: pointer;
  text-align: left;
  color: #555;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.18s ease;
  /* box-shadow: 0 2px 6px rgba(2, 36, 80, 0.03); */
}
.policies-section{
  position: relative;
  z-index: 1;
  overflow: hidden;
}
.policies-section .section{
  /* padding: 60px 0; */
  padding-bottom:0px;
  background: linear-gradient(135deg, #f0f4f8 0%, #ffffff 100%);
  position: relative;
}
.policies-intro {
  font-size: 1.15rem;
  max-width: 900px;
  color: #333;
  margin: 0 auto 32px auto;
  text-align: center;
  z-index: 1;
}
.policies-content{
  padding-top: 24px;
}

.policies-section::before {
  content: '';
  position: absolute;
  width: 2200px;
  height: 2200px;
  top: -40px; /* dịch lên trên */
  right: -400px; 
  background-image: url('../images/decorations/circle-bg-2.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: right bottom;
  overflow: hidden;
  opacity: 0.1;
  z-index: 0;
}




/* Active sidebar item */
.policy-nav-item.active {
  background: linear-gradient(135deg, rgb(59, 130, 246, 0.1), rgba(29, 78, 216, 0.15));
  color: #3b82f6;
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.12);
}
/* Policy body (right) */
.policy-body {
  width: 700px;
  background: transparent;
  padding: 20px;
  backdrop-filter: blur(20px);
  box-shadow: 0 0 0 8px rgba(59, 130, 246, 0.08);
  -webkit-backdrop-filter: blur(20px);
  /* background: rgba(255,255,255,0.85); */
  border-radius: 16px;
  /* box-shadow: 0 8px 32px rgba(0,0,0,0.08); */
}

/* Article content */
.policy-article h3 {
  font-size: clamp(1.6rem, 2.6vw, 2rem);
  color: #0b4a79;
  margin-bottom: 12px;
}

.policy-article p {
  color: #27404f;
  line-height: 1.9;
  margin-bottom: 14px;
  font-size: 1rem;
}



/* Mobile: stack columns */
@media (max-width: 900px) {
  .policies-layout {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .policies-sidebar .sidebar-card {
    display: flex;
    overflow-x: auto;
  }

  .sidebar-list {
    flex-direction: row;
    gap: 8px;
    min-width: max-content;
  }

  .policy-nav-item {
    white-space: nowrap;
    padding: 10px 12px;
  }
}

/* Reduce/disable heavy effects for low-power devices or users preferring reduced motion */
@media (prefers-reduced-motion: reduce) {
  .solution-card,
  .solution-card-background,
  .solution-card::before,
  .solution-card::after,
  .solution-card-background::before {
    animation: none !important;
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}

.low-power .solution-card,
.low-power .solution-card-background {
  transition: transform 0.25s ease, opacity 0.25s ease;
  box-shadow: none !important;
  filter: none !important;
  backdrop-filter: none !important;
}

.low-power .solution-card::before,
.low-power .solution-card::after,
.low-power .solution-card-background::before {
  animation: none !important;
  transition: none !important;
  transform: none !important;
  opacity: 0 !important;
}