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

:root {
  --text-primary: #1d1d1f;
  --text-secondary: #86868b;
  --text-light: #a1a1a6;
  --bg-primary: #000000;
  --bg-secondary: #fbfbfd;
  --bg-card: #ffffff;
  --accent-blue: #0071e3;
  --accent-blue-hover: #0077ed;
  --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 24px 80px rgba(0, 0, 0, 0.2);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 40px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    "Noto Sans SC",
    -apple-system,
    BlinkMacSystemFont,
    "SF Pro Display",
    "SF Pro Text",
    sans-serif;
  color: var(--text-primary);
  line-height: 1.5;
  background: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(0, 0, 0, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
  animation: fadeInDown 0.8s ease;
}

.logo-icon {
  font-size: 20px;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
  animation: fadeInDown 0.8s ease 0.2s both;
}

.nav-menu a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  font-weight: 400;
  transition: all 0.3s ease;
  position: relative;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-blue);
  transition: width 0.3s ease;
}

.nav-menu a:hover {
  color: #ffffff;
}

.nav-menu a:hover::after {
  width: 100%;
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: var(--accent-blue);
  color: white;
  text-decoration: none;
  border-radius: 980px;
  font-size: 12px;
  font-weight: 500;
  transition: all 0.3s ease;
  animation: fadeInDown 0.8s ease 0.4s both;
}

.nav-btn:hover {
  background: var(--accent-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 113, 227, 0.4);
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 52px;
  padding-bottom: 60px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

.hero-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  animation: bgZoom 20s ease-in-out infinite;
}

@keyframes bgZoom {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 15, 35, 0.85) 0%,
    rgba(26, 26, 62, 0.75) 50%,
    rgba(15, 15, 35, 0.85) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px;
  animation: fadeInUp 1s ease 0.5s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  margin-bottom: 20px;
}

.title-line {
  display: block;
  background: linear-gradient(
    135deg,
    #ffffff 0%,
    rgba(255, 255, 255, 0.7) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.title-line-1 {
  font-size: clamp(48px, 10vw, 96px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  animation: titleGlow 3s ease-in-out infinite;
}

@keyframes titleGlow {
  0%,
  100% {
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.3));
  }
  50% {
    filter: drop-shadow(0 0 40px rgba(255, 255, 255, 0.5));
  }
}

.title-line-2 {
  font-size: clamp(24px, 5vw, 48px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-top: 8px;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 21px);
  color: var(--text-light);
  margin-bottom: 40px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
  animation: fadeIn 1s ease 0.8s both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.hero-cta {
  display: flex;
  justify-content: center;
  animation: fadeIn 1s ease 1s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: 980px;
  font-size: 17px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
  cursor: pointer;
}

.btn-primary {
  background: var(--accent-blue);
  color: white;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s ease;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  background: var(--accent-blue-hover);
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 10px 30px rgba(0, 113, 227, 0.4);
}

.btn-arrow {
  transition: transform 0.3s ease;
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

.hero-showcase {
  position: relative;
  z-index: 1;
  margin-top: 60px;
  animation: fadeInUp 1s ease 1.2s both;
}

.showcase-wrapper {
  display: flex;
  align-items: center;
  gap: 60px;
  justify-content: center;
}

.showcase-decoration {
  position: relative;
  width: 280px;
  height: auto;
  animation: decorationFloat 8s ease-in-out infinite;
}

.decoration-image {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 20px 40px rgba(0, 113, 227, 0.3));
}

@keyframes decorationFloat {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  25% {
    transform: translateY(-15px) rotate(2deg);
  }
  50% {
    transform: translateY(-25px) rotate(0deg);
  }
  75% {
    transform: translateY(-15px) rotate(-2deg);
  }
}

.showcase-container {
  display: flex;
  align-items: center;
  gap: 40px;
  justify-content: center;
}

.showcase-phone {
  position: relative;
  width: auto;
  max-width: 240px;
  overflow: hidden;
  transition: all 0.5s ease;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
}

.showcase-phone:hover {
  transform: translateY(-10px) scale(1.05);
  box-shadow: var(--shadow-xl);
}

.showcase-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
}

.showcase-label {
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-light);
  font-size: 14px;
  white-space: nowrap;
}

.showcase-arrow {
  font-size: 32px;
  color: var(--text-light);
  animation: arrowPulse 2s ease-in-out infinite;
}

@keyframes arrowPulse {
  0%,
  100% {
    transform: translateX(0);
    opacity: 0.5;
  }
  50% {
    transform: translateX(10px);
    opacity: 1;
  }
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-light);
  font-size: 12px;
  animation:
    bounce 2s ease-in-out infinite,
    fadeIn 1s ease 1.5s both;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-light), transparent);
}

@keyframes bounce {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(10px);
  }
}

.features {
  padding: 120px 0;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.features::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 113, 227, 0.3),
    transparent
  );
}

.section-intro {
  margin-bottom: 80px;
}

.section-intro.center {
  text-align: center;
}

.section-label {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-blue);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  animation: fadeInUp 0.8s ease both;
}

.section-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
  animation: fadeInUp 0.8s ease 0.1s both;
}

.section-desc {
  font-size: clamp(16px, 2vw, 21px);
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.5;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.section-intro.center .section-desc {
  margin: 0 auto;
}

.feature-group {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-md);
  transition: all 0.5s ease;
  position: relative;
  overflow: hidden;
}

.feature-group::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-blue), #667eea, #764ba2);
  transform: scaleX(0);
  transition: transform 0.5s ease;
}

.feature-group:hover::before {
  transform: scaleX(1);
}

.feature-group:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.feature-group-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
}

.feature-group-icon {
  font-size: 48px;
  animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.feature-group-info {
  flex: 1;
}

.feature-group-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.feature-group-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.feature-group-images {
  display: flex;
  align-items: center;
  gap: 24px;
  justify-content: center;
}

.feature-image-card {
  position: relative;
  width: auto;
  max-width: 220px;
  overflow: hidden;
  transition: all 0.5s ease;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
}

.feature-image-card:hover {
  transform: translateY(-12px) scale(1.05);
  box-shadow: var(--shadow-xl);
}

.feature-image-card img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
}

.image-label {
  position: absolute;
  bottom: -28px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-secondary);
  font-size: 14px;
  white-space: nowrap;
}

.feature-arrow {
  font-size: 32px;
  color: var(--accent-blue);
  animation: arrowPulse 2s ease-in-out infinite;
}

.single-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 60px;
}

.single-feature-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.5s ease;
  position: relative;
  overflow: hidden;
}

.single-feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), #667eea);
  transform: scaleX(0);
  transition: transform 0.5s ease;
}

.single-feature-card:hover::before {
  transform: scaleX(1);
}

.single-feature-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.single-feature-icon {
  font-size: 48px;
  margin-bottom: 20px;
  animation: iconFloat 3s ease-in-out infinite;
}

.single-feature-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.single-feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.single-feature-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: #f5f5f7;
}

.single-feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.single-feature-card:hover .single-feature-image img {
  transform: scale(1.1);
}

.pdf-showcase {
  padding: 120px 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  position: relative;
  overflow: hidden;
}

.pdf-showcase::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(
    circle,
    rgba(0, 113, 227, 0.05) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.pdf-showcase .section-label {
  color: var(--accent-blue);
}

.pdf-showcase .section-title {
  color: var(--text-primary);
}

.pdf-showcase .section-desc {
  color: var(--text-secondary);
}

.pdf-embed-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
  margin-top: 80px;
}

.pdf-embed-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all 0.5s ease;
}

.pdf-embed-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.pdf-embed-header {
  padding: 24px;
  border-bottom: 1px solid #e5e5e5;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pdf-embed-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.pdf-embed-tags {
  display: flex;
  gap: 8px;
}

.pdf-tag {
  display: inline-block;
  padding: 5px 14px;
  background: #f0f0f0;
  color: var(--text-secondary);
  border-radius: 980px;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.pdf-embed-card:hover .pdf-tag {
  background: var(--accent-blue);
  color: #ffffff;
}

.pdf-embed-container {
  height: 500px;
  background: #f5f5f7;
}

.pdf-embed-container embed {
  border: none;
}

.pdf-embed-footer {
  padding: 16px 24px;
  background: #f8f9fa;
  border-top: 1px solid #e5e5e5;
}

.pdf-embed-footer p {
  font-size: 14px;
  color: var(--text-secondary);
  text-align: center;
}

.pdf-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.pdf-feature-item {
  display: flex;
  gap: 14px;
  padding: 20px;
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.4s ease;
}

.pdf-feature-item:hover {
  transform: translateY(-6px) rotateY(5deg);
  box-shadow: var(--shadow-lg);
}

.pdf-feature-icon {
  font-size: 28px;
  flex-shrink: 0;
}

.pdf-feature-content h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.pdf-feature-content p {
  font-size: 13px;
  color: var(--text-secondary);
}

.ai-section {
  padding: 120px 0;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.ai-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 113, 227, 0.3),
    transparent
  );
}

.ai-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-top: 80px;
}

.ai-phone {
  display: flex;
  justify-content: center;
}

.ai-phone-frame {
  width: auto;
  max-width: 240px;
  overflow: hidden;
  animation: phoneFloat 6s ease-in-out infinite;
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
}

@keyframes phoneFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.ai-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
}

.ai-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.ai-feature-item {
  display: flex;
  gap: 14px;
  padding: 20px;
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.4s ease;
}

.ai-feature-item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-lg);
}

.ai-feature-icon {
  font-size: 28px;
  flex-shrink: 0;
}

.ai-feature-content h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.ai-feature-content p {
  font-size: 13px;
  color: var(--text-secondary);
}

.download {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
}

.download-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 50%, #0f0f23 100%);
}

.download-bg .floating-shapes .shape {
  opacity: 0.5;
}

.download-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.download-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  animation: titleGlow 3s ease-in-out infinite;
}

.download-desc {
  font-size: clamp(16px, 2vw, 21px);
  color: var(--text-light);
  margin-bottom: 40px;
  line-height: 1.6;
}

.download-features {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.download-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.3s ease;
}

.download-feature:hover {
  transform: translateY(-3px);
  color: #ffffff;
}

.check-icon {
  width: 20px;
  height: 20px;
  background: rgba(0, 255, 136, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #00ff88;
  animation: checkPulse 2s ease-in-out infinite;
}

@keyframes checkPulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.4);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(0, 255, 136, 0);
  }
}

.download-qr {
  display: flex;
  justify-content: center;
}

.qr-container {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
  width: 200px;
  box-shadow: var(--shadow-lg);
  transition: all 0.4s ease;
}

.qr-container:hover {
  transform: translateY(-12px) scale(1.05);
  box-shadow: var(--shadow-xl);
}

.qr-image {
  width: 160px;
  height: 160px;
  border-radius: 12px;
  margin-bottom: 12px;
  transition: transform 0.3s ease;
}

.qr-container:hover .qr-image {
  transform: scale(1.05);
}

.qr-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.qr-subtext {
  font-size: 13px;
  color: var(--text-secondary);
}

.footer {
  background: var(--bg-primary);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 32px 0;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
}

.footer-logo {
  font-size: 20px;
}

.footer-copyright {
  font-size: 14px;
  color: var(--text-light);
}

@media (max-width: 1200px) {
  .single-features {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .container {
    padding: 0 24px;
  }

  .single-features {
    grid-template-columns: repeat(2, 1fr);
  }

  .ai-showcase {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .pdf-embed-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .pdf-features {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-group-images {
    flex-direction: column;
  }

  .feature-arrow {
    transform: rotate(90deg);
  }

  .showcase-container {
    flex-direction: column;
  }

  .showcase-arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .single-features {
    grid-template-columns: 1fr;
  }

  .ai-features {
    grid-template-columns: 1fr;
  }

  .download-features {
    flex-direction: column;
    align-items: center;
  }

  .footer-content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .pdf-features {
    grid-template-columns: 1fr;
  }

  .pdf-embed-container {
    height: 400px;
  }

  .feature-image-card {
    width: 160px;
    height: 320px;
  }
}

[data-aos] {
  opacity: 0;
  transition-property: transform, opacity;
}

[data-aos].aos-animate {
  opacity: 1;
}

[data-aos="fade-up"] {
  transform: translateY(40px);
}

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

[data-aos="fade-left"] {
  transform: translateX(40px);
}

[data-aos="fade-left"].aos-animate {
  transform: translateX(0);
}

[data-aos="fade-right"] {
  transform: translateX(-40px);
}

[data-aos="fade-right"].aos-animate {
  transform: translateX(0);
}

[data-aos="zoom-in"] {
  transform: scale(0.8);
}

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

[data-aos="flip-left"] {
  transform: perspective(2500px) rotateY(-100deg);
}

[data-aos="flip-left"].aos-animate {
  transform: perspective(2500px) rotateY(0);
}