:root {
  --bg-primary: #0B0B0D;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f5f5f7;
  --text-primary: #ffffff;
  --text-secondary: #a1a1a6;
  --text-dark: #1d1d1f;
  --accent-cyan: #00d4ff;
  --accent-purple: #a855f7;
  --accent-pink: #ec4899;
  --accent-blue: #3b82f6;
  --accent-green: #22c55e;
  --gradient-neon: linear-gradient(135deg, #00d4ff, #a855f7, #ec4899);
  --gradient-button: linear-gradient(135deg, #3b82f6, #a855f7);
  --max-width: 1200px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 11, 13, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.nav {
  display: flex;
  gap: 40px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-neon);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.lang-switcher {
  display: flex;
  gap: 8px;
}

.lang-btn {
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn:hover {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--text-primary);
}

.lang-btn.active {
  background: var(--gradient-neon);
  border-color: transparent;
  color: #fff;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
}

/* Hero Section */
.hero {
  min-height: 80vh;
  padding: clamp(140px, 18vw, 250px) 0 clamp(60px, 8vw, 100px);
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(255, 1, 242, 0.15) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 50%, rgba(146, 66, 252, 0.15) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 40%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(40px, 8vw, 100px);
  font-weight: 1000;
  line-height: 1.05;
  letter-spacing: 0px;
  margin-bottom: 36px;
  background: linear-gradient(130deg, #eb269f 20%, #1bbde6 50%, rgba(150, 236, 110, 0.6) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  font-size: clamp(17px, 2.4vw, 26px);
  color: var(--text-secondary);
  margin-bottom: clamp(32px, 5vw, 100px);
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: var(--gradient-neon);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  border-color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

.hero-carousel {
  position: relative;
  width: 100%;
  max-width: 800px;
  aspect-ratio: 4/3;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(0, 212, 255, 0.3);
  box-shadow:
    0 0 20px rgba(0, 212, 255, 0.4),
    0 0 40px rgba(168, 85, 247, 0.3),
    0 20px 60px rgba(0, 0, 0, 0.5);
  margin: 0 auto;
  animation: carouselGlow 3s ease-in-out infinite alternate;
}

@keyframes carouselGlow {
  from {
    box-shadow:
      0 0 20px rgba(0, 212, 255, 0.4),
      0 0 40px rgba(168, 85, 247, 0.3),
      0 20px 60px rgba(0, 0, 0, 0.5);
  }
  to {
    box-shadow:
      0 0 30px rgba(0, 212, 255, 0.6),
      0 0 60px rgba(168, 85, 247, 0.5),
      0 0 80px rgba(236, 72, 153, 0.3),
      0 20px 60px rgba(0, 0, 0, 0.5);
  }
}

.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.carousel-slide.active {
  opacity: 1;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.carousel-dot.active {
  background: var(--accent-cyan);
  width: 30px;
  border-radius: 5px;
}

/* Brand Advantages */
.advantages {
  padding: 100px 0;
  background: var(--bg-tertiary);
  color: var(--text-dark);
}

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

.section-header h2 {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 17px;
  color: #666;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.advantage-card {
  background: #fff;
  padding: 40px 28px;
  border-radius: 20px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.advantage-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
  width: 200px;
  height: 200px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(168, 85, 247, 0.1));
  border-radius: 10px;
}

.advantage-icon img {
  width: 200px;
  height: 200px;
  object-fit: contain;
}

.advantage-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.advantage-card p {
  font-size: 14px;
  color: #666;
}

/* Products Section */
.products {
  padding: 100px 0;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.product-image {
  aspect-ratio: 1;
  overflow: hidden;
  position: relative;
}

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

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-info {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-price {
  font-size: 24px;
  font-weight: 700;
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.product-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.product-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
  flex: 1;
}

.product-specs {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.product-specs li {
  margin-bottom: 4px;
}

.product-actions {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.download-link {
  font-size: 12px;
  color: var(--accent-cyan);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.download-link:hover {
  color: var(--text-primary);
}

.btn-view {
  width: 100%;
  margin-top: 20px;
  padding: 12px;
  font-size: 14px;
  font-weight: 600;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-view:hover {
  background: var(--gradient-neon);
  border-color: transparent;
}

.view-more-btn {
  display: block;
  margin: 48px auto 0;
  padding: 16px 48px;
  font-size: 16px;
  font-weight: 600;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 30px;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
}

.view-more-btn:hover {
  background: var(--gradient-neon);
  border-color: transparent;
  transform: translateY(-2px);
}

/* Product Display Section */
.displays {
  padding: 100px 0;
  background: var(--bg-tertiary);
  color: var(--text-dark);
}

.display-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.display-block:last-child {
  margin-bottom: 0;
}

.display-block.reverse {
  direction: rtl;
}

.display-block.reverse > * {
  direction: ltr;
}

.display-image {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.display-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.display-content h3 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.display-content p {
  font-size: 16px;
  color: #666;
  margin-bottom: 32px;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.spec-label {
  font-size: 12px;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.spec-value {
  font-size: 18px;
  font-weight: 600;
}

.spec-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  font-size: 20px;
}

/* Application Scenarios */
.scenarios {
  padding: 100px 0;
}

.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.scenario-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16/10;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid rgba(128, 128, 128, 0.3);
  box-shadow:
    0 0 15px rgba(0, 212, 255, 0.2),
    0 0 30px rgba(168, 85, 247, 0.15);
}

.scenario-card.row-top {
  grid-column: span 3;
}

.scenario-card.row-bottom {
  grid-column: span 2;
}

.scenario-card:hover {
  transform: scale(1.02);
}

.scenario-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.scenario-card:hover img {
  transform: scale(1.05);
}

.scenario-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
}

.scenario-title {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
}

/* Gallery */
.gallery {
  padding: 100px 0;
  background:
    radial-gradient(circle at 15% 25%, rgba(0, 0, 0, 0.18) 0%, transparent 40%),
    radial-gradient(circle at 85% 15%, rgba(168, 85, 247, 0.20) 0%, transparent 45%),
    radial-gradient(circle at 70% 75%, rgba(236, 72, 153, 0.16) 0%, transparent 40%),
    radial-gradient(circle at 25% 85%, rgba(34, 197, 94, 0.14) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.12) 0%, transparent 50%),
    #0B0B0D;
  color: var(--text-primary);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.gallery-item {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16/10;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid rgba(128, 128, 128, 0.3);
  box-shadow:
    0 0 15px rgba(0, 212, 255, 0.2),
    0 0 30px rgba(168, 85, 247, 0.15);
}

.gallery-item:hover {
  transform: scale(1.02);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
}

/* Contact Section */
.contact {
  padding: 100px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-form {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  font-size: 15px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: var(--text-primary);
  transition: var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-cyan);
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 6px;
}

.contact-info {
  padding: 40px;
}

.contact-info h3 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 24px;
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(168, 85, 247, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-detail h4 {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 4px;
  font-weight: 500;
}

.contact-detail p {
  font-size: 16px;
  font-weight: 600;
}

/* About Section */
.about {
  padding: 100px 0;
  background: var(--bg-tertiary);
  color: var(--text-dark);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-content h2 {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.about-subtitle {
  font-size: 20px;
  color: #666;
  margin-bottom: 24px;
  font-weight: 500;
}

.about-text p {
  font-size: 16px;
  color: #555;
  margin-bottom: 16px;
  line-height: 1.7;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 40px 0;
}

.stat-item {
  text-align: center;
  padding: 20px;
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.stat-number {
  font-size: 36px;
  font-weight: 700;
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 14px;
  color: #666;
  margin-top: 4px;
}

.about-carousel {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  aspect-ratio: 3/4;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.about-carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.about-carousel-slide.active {
  opacity: 1;
}

.about-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-carousel-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.about-carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.about-carousel-dot.active {
  background: #fff;
  width: 30px;
  border-radius: 5px;
}

/* Footer */
.footer {
  padding: 80px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand .logo {
  font-size: 24px;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 320px;
}

.footer-column h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
}

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

.footer-column li {
  margin-bottom: 12px;
}

.footer-column a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-column a:hover {
  color: var(--text-primary);
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--gradient-neon);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  color: var(--text-secondary);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-text h1 {
    font-size: 48px;
  }

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

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

  .display-block,
  .display-block.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .display-image img {
    height: 320px;
  }

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

  .scenario-card.row-top,
  .scenario-card.row-bottom {
    grid-column: span 1;
  }

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

  .contact-grid,
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-carousel {
    max-width: 500px;
    margin: 0 auto;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(11, 11, 13, 0.98);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav.active {
    display: flex;
  }

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

  .hero-text h1 {
    font-size: 36px;
  }

  .hero-text p {
    font-size: 16px;
  }

  .hero-carousel {
    aspect-ratio: 4/3;
  }

  .section-header h2 {
    font-size: 32px;
  }

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

  .scenarios-grid {
    grid-template-columns: 1fr;
  }

  .scenario-card.row-top,
  .scenario-card.row-bottom {
    grid-column: span 1;
  }

  .spec-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .contact-form,
  .contact-info {
    padding: 24px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    justify-content: center;
  }
}

/* Product modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: #141417;
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 20px;
  max-width: 560px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.25);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal h3 {
  font-size: 24px;
  margin-bottom: 8px;
  padding-right: 32px;
}

.modal-price {
  font-size: 22px;
  font-weight: 700;
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.modal-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.modal-specs {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0 0 16px 18px;
}

.modal-specs li {
  margin-bottom: 4px;
}

.modal-links {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
}

.modal .btn {
  width: 100%;
  justify-content: center;
}

/* Form success message */
.form-success {
  display: none;
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.4);
  color: #4ade80;
  font-size: 14px;
  text-align: center;
}

.form-success.show {
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .carousel-slide,
  .about-carousel-slide {
    transition: none;
  }

  .hero-carousel {
    animation: none;
  }

  .product-card:hover,
  .advantage-card:hover,
  .btn-primary:hover,
  .scenario-card:hover,
  .gallery-item:hover {
    transform: none;
  }
}