/* ========================================
   YINHE TECHNOLOGY - AI Tech Corporate Site
   Design: Minimalist + AI Tech Aesthetic
   ======================================== */

/* === Design Tokens === */
:root {
  --bg-primary: #060818;
  --bg-secondary: #0a0e27;
  --bg-card: rgba(16, 22, 51, 0.6);
  --bg-card-hover: rgba(22, 30, 66, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.03);

  --accent-cyan: #00e5ff;
  --accent-blue: #2196f3;
  --accent-purple: #7c4dff;
  --accent-pink: #e040fb;
  --accent-gradient: linear-gradient(135deg, #00e5ff 0%, #7c4dff 100%);
  --accent-gradient-soft: linear-gradient(135deg, rgba(0, 229, 255, 0.15) 0%, rgba(124, 77, 255, 0.15) 100%);

  --text-primary: #ffffff;
  --text-secondary: #a0aec0;
  --text-muted: #64748b;

  --border-glow: rgba(0, 229, 255, 0.2);
  --border-subtle: rgba(255, 255, 255, 0.08);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --shadow-glow: 0 0 40px rgba(0, 229, 255, 0.15);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Animated background grid */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: 0;
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  padding: 6px 16px;
  border: 1px solid var(--border-glow);
  border-radius: 50px;
  background: rgba(0, 229, 255, 0.05);
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 60px;
  line-height: 1.8;
}

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

/* === Layout === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

/* === Navigation === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: rgba(6, 8, 24, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.navbar.scrolled {
  padding: 10px 0;
  background: rgba(6, 8, 24, 0.9);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-logo-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.35));
  transition: var(--transition);
}

.nav-logo:hover .nav-logo-icon {
  filter: drop-shadow(0 0 14px rgba(0, 229, 255, 0.6));
  transform: rotate(5deg) scale(1.05);
}

/* Large logo for hero sections */
.hero-logo {
  width: 100px;
  height: 100px;
  margin: 0 auto 32px;
  filter: drop-shadow(0 0 20px rgba(0, 229, 255, 0.3));
  animation: logoFloat 4s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.nav-logo-text { color: var(--text-primary); }
.nav-logo-text span { color: var(--accent-cyan); }

.nav-links {
  display: flex;
  gap: 8px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(0, 229, 255, 0.08);
}

.nav-links a.active {
  color: var(--accent-cyan);
  background: rgba(0, 229, 255, 0.1);
}

.nav-cta {
  padding: 10px 24px !important;
  background: var(--accent-gradient) !important;
  color: #fff !important;
  border-radius: 50px !important;
  font-weight: 600 !important;
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
}

.nav-cta:hover {
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.5) !important;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* === Hero Section === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

#hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.3;
  z-index: 0;
  pointer-events: none;
}

.hero-glow.cyan {
  background: var(--accent-cyan);
  top: -100px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

.hero-glow.purple {
  background: var(--accent-purple);
  bottom: -100px;
  left: -100px;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid var(--border-glow);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-bottom: 28px;
  font-family: var(--font-mono);
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 229, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 229, 255, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-glow);
}

.btn-outline:hover {
  background: rgba(0, 229, 255, 0.08);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-arrow::after {
  content: '\2192';
  margin-left: 4px;
  transition: transform 0.3s;
}

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

/* === Stats Section === */
.stats {
  padding: 60px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(10, 14, 39, 0.5);
}

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

.stat-item {
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -16px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 50px;
  background: var(--border-subtle);
}

.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* === Feature Cards === */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--accent-gradient-soft);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* === Product/Service Cards === */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.product-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.08) 0%, transparent 70%);
  transition: var(--transition-slow);
  opacity: 0;
}

.product-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.product-card:hover::before {
  opacity: 1;
  top: -20%;
  right: -20%;
}

.product-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--accent-gradient-soft);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.product-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.product-card .product-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.product-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.product-features {
  list-style: none;
  padding: 0;
}

.product-features li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 4px 0;
  padding-left: 20px;
  position: relative;
}

.product-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 6px var(--accent-cyan);
}

/* === Category Filter === */
.filter-bar {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 8px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 50px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.filter-btn:hover {
  border-color: var(--border-glow);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
}

/* === About Page Styles === */
.about-hero {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text p {
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 20px;
}

.about-visual {
  position: relative;
}

.about-visual-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.about-visual-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--accent-gradient-soft);
  opacity: 0.5;
}

.about-visual-card > * {
  position: relative;
  z-index: 1;
}

.value-card {
  text-align: center;
  padding: 36px 24px;
}

.value-card .value-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.value-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.value-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-purple));
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  padding: 0 40px 50px;
  width: 50%;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-dot {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-cyan);
  top: 4px;
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -8px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -8px;
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
}

.timeline-content:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-bottom: 8px;
}

.timeline-content h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.timeline-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* === Contact Page === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 36px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.contact-info-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.contact-info-item:last-child {
  border-bottom: none;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-gradient-soft);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-info-item h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
  color: var(--text-secondary);
  font-weight: 500;
}

.contact-info-item p {
  font-size: 1.05rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* Contact Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 36px;
  backdrop-filter: blur(10px);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: rgba(6, 8, 24, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.1);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-submit {
  width: 100%;
  justify-content: center;
}

/* Map placeholder */
.map-container {
  margin-top: 60px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: invert(0.92) hue-rotate(180deg);
}

/* === CTA Section === */
.cta-section {
  text-align: center;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta-box {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(0, 229, 255, 0.05) 0%, transparent 50%);
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.cta-box > * {
  position: relative;
  z-index: 1;
}

.cta-box h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  margin-bottom: 16px;
}

.cta-box p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

/* === Footer === */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 30px;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 20px;
  color: var(--text-primary);
}

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

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

.footer-col ul li a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--accent-cyan);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* === 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);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* === Company Gallery / Office Environment === */
.company-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--card-bg);
  box-shadow: var(--card-shadow);
  transition: all 0.4s ease;
}

.gallery-item:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 229, 255, 0.3);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(0, 229, 255, 0.1);
}

.gallery-item img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  background: linear-gradient(to top, rgba(5, 7, 20, 0.95), transparent);
  backdrop-filter: blur(4px);
}

.gallery-caption h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.gallery-caption p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
}

@media (max-width: 768px) {
  .company-gallery {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .gallery-item img {
    height: 260px;
  }
}

/* === Responsive === */
@media (max-width: 968px) {
  .about-content,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .stat-item:nth-child(2)::after {
    display: none;
  }

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

  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    left: 0 !important;
    text-align: left !important;
    padding-left: 50px;
    padding-right: 0;
  }

  .timeline-item .timeline-dot {
    left: 12px !important;
    right: auto !important;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(6, 8, 24, 0.98);
    padding: 20px;
    gap: 4px;
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    width: 100%;
    padding: 12px 18px;
  }

  .nav-toggle {
    display: block;
  }

  section {
    padding: 60px 0;
  }

  .hero {
    padding: 100px 0 60px;
  }

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

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

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

  .stat-item::after {
    display: none !important;
  }
}

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

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

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