/* ============================================================
   3HLE Automation & Robotics — Modern High-Tech Website
   Dark theme | Cyan/Blue accents | Responsive
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --bg-primary: #060611;
  --bg-secondary: #0c0c1d;
  --bg-card: #111128;
  --bg-card-hover: #181840;
  --accent: #00d4ff;
  --accent-dim: #0099bb;
  --accent-glow: rgba(0, 212, 255, 0.25);
  --accent2: #7c3aed;
  --accent2-dim: #5b21b6;
  --text-primary: #e8eaf6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --border: rgba(255, 255, 255, 0.06);
  --gradient-hero: linear-gradient(135deg, #060611 0%, #0c1a2e 50%, #0f0b2e 100%);
  --gradient-accent: linear-gradient(135deg, #00d4ff, #7c3aed);
  --gradient-card: linear-gradient(145deg, rgba(17, 17, 40, 0.8), rgba(12, 12, 29, 0.9));
  --font-heading: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1280px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: #fff; }
ul, ol { list-style: none; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
  position: relative;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.02em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--accent);
}

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

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.125rem;
  max-width: 640px;
  line-height: 1.8;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-accent);
  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, 0.4);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}

.btn-outline:hover {
  background: rgba(0, 212, 255, 0.1);
  color: #fff;
  border-color: #fff;
  transform: translateY(-2px);
}

.btn svg, .btn i {
  width: 18px;
  height: 18px;
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(6, 6, 17, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo img {
  height: 44px;
  width: 44px;
  object-fit: contain;
  border-radius: 8px;
  background: #000;
  padding: 2px;
}

.navbar.scrolled .nav-logo img {
  height: 40px;
  width: 40px;
}

/* Hide the text "3HLE" next to the logo since the logo itself has the branding */
.nav-logo span {
  display: none;
}

/* Footer logo: larger, horizontal accent */
.footer-brand .nav-logo img {
  height: 56px;
  width: 56px;
  background: transparent;
  padding: 0;
  border-radius: 12px;
}

.footer-brand .nav-logo span {
  display: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

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

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

/* Language switcher */
.lang-switcher {
  display: flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 3px;
}

.lang-switcher a {
  padding: 4px 10px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: 6px;
  transition: all var(--transition);
  text-transform: uppercase;
}

.lang-switcher a:hover {
  color: var(--text-primary);
}

.lang-switcher a.active {
  background: var(--accent);
  color: var(--bg-primary);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---------- Hero Section ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: 80px;
}

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

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.4;
}

.hero-video-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-video-overlay video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
}

.hero-gradient-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6,6,17,0.3) 0%, rgba(6,6,17,0.7) 60%, var(--bg-primary) 100%);
  z-index: 2;
}

.hero .container {
  position: relative;
  z-index: 10;
}

.hero-content {
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 28px;
  font-family: var(--font-mono);
}

.hero-badge .pulse {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(0, 212, 255, 0); }
}

.hero h1 {
  margin-bottom: 24px;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.8;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.hero-stat .number {
  font-size: 2.25rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  font-family: var(--font-mono);
}

.hero-stat .number .accent {
  color: var(--accent);
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: float 3s ease-in-out infinite;
}

.scroll-indicator .mouse {
  width: 24px;
  height: 36px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  position: relative;
}

.scroll-indicator .mouse::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  animation: scroll-dot 2s ease-in-out infinite;
}

@keyframes scroll-dot {
  0%, 100% { top: 6px; opacity: 1; }
  50% { top: 18px; opacity: 0.3; }
}

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

/* ---------- Services Section ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.service-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.15);
  box-shadow: var(--shadow-glow);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(0, 212, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.5rem;
}

.service-card h3 {
  margin-bottom: 12px;
}

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

.service-features {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.service-features li::before {
  content: '>';
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8rem;
}

/* ---------- About Section ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 48px;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.about-image img, .about-image video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.about-text h2 {
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: rgba(0, 212, 255, 0.04);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.highlight-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(0, 212, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
}

.highlight-item h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.highlight-item p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Stats bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 80px;
  padding: 40px;
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

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

.stat-item .number {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-item .label {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ---------- Products Section ---------- */
.products-tabs {
  display: flex;
  gap: 8px;
  margin-top: 40px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.tab-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.tab-btn.active {
  background: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
}

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

.product-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(0, 212, 255, 0.15);
}

.product-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
  background: var(--bg-secondary);
}

.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;
}

.product-tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: rgba(0, 212, 255, 0.08);
  border-radius: 4px;
  margin-bottom: 12px;
}

.product-info h3 {
  margin-bottom: 8px;
  font-size: 1.15rem;
}

.product-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ---------- Showcases / Video Gallery ---------- */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.showcase-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
}

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

.showcase-thumbnail {
  aspect-ratio: 16/9;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Placeholder icon when no image available */
.showcase-thumbnail:empty::before,
.showcase-thumbnail:has(.play-overlay:only-child)::before {
  content: '▶';
  font-size: 3rem;
  color: var(--accent);
  opacity: 0.3;
}

.showcase-thumbnail video,
.showcase-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: opacity var(--transition);
}

.showcase-card:hover .play-overlay {
  opacity: 1;
}

.play-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
  transition: transform var(--transition);
}

.showcase-card:hover .play-btn {
  transform: scale(1.1);
}

.play-btn svg {
  width: 24px;
  height: 24px;
  fill: var(--bg-primary);
  margin-left: 3px;
}

.showcase-info {
  padding: 20px;
}

.showcase-info h3 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.showcase-info p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Video Modal */
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
}

.video-modal.active {
  display: flex;
}

.video-modal-content {
  width: 90%;
  max-width: 960px;
  position: relative;
}

.video-modal-content video {
  width: 100%;
  border-radius: var(--radius);
}

.video-modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* ---------- Industries Section ---------- */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.industry-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.industry-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.industry-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.industry-card h4 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.industry-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ---------- Partners Section ---------- */
.partners-track {
  display: flex;
  gap: 64px;
  align-items: center;
  padding: 40px 0;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 15%, black 85%, transparent);
}

.partners-track img {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.4;
  transition: opacity var(--transition);
}

.partners-track img:hover {
  opacity: 0.8;
}

/* ---------- Career Section ---------- */
.career-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 48px;
  align-items: start;
}

.career-text p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.8;
}

.career-perks {
  display: grid;
  gap: 16px;
}

.perk-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: rgba(0, 212, 255, 0.04);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.perk-item .icon {
  flex-shrink: 0;
  color: var(--accent);
  font-size: 1.25rem;
}

.perk-item h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.perk-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ---------- Contact Section ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 48px;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.contact-card:hover {
  border-color: rgba(0, 212, 255, 0.15);
}

.contact-card .icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(0, 212, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
}

.contact-card h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

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

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 0 24px;
}

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

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-top: 16px;
  max-width: 300px;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.88rem;
  padding: 4px 0;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
}

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

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--accent);
  color: var(--bg-primary);
}

/* ---------- Scroll Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.5s; }

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Glow effects ---------- */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.glow-orb-1 {
  width: 400px;
  height: 400px;
  background: rgba(0, 212, 255, 0.08);
  top: -100px;
  right: -100px;
}

.glow-orb-2 {
  width: 300px;
  height: 300px;
  background: rgba(124, 58, 237, 0.08);
  bottom: -50px;
  left: -50px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .career-content { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  section { padding: 64px 0; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px 32px;
    gap: 24px;
    transition: right var(--transition);
    border-left: 1px solid var(--border);
  }

  .nav-links.open { right: 0; }

  .nav-toggle { display: flex; }

  .services-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 24px; }
  .showcase-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .industries-grid { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr; padding: 24px; }
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* Grid background pattern */
.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}