/* ============================================================
   WANGCHENGGROUP.COM - Main Stylesheet
   Tesla-Inspired Cyber-Engineering Design System
   ============================================================ */

/* ============ CSS Variables / Design Tokens ============ */
:root {
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #111114;
  --bg-elevated: #171a20;
  --bg-glass: rgba(23, 26, 32, 0.65);

  --accent-primary: #00e5ff;
  --accent-secondary: #0ea5e9;
  --accent-tertiary: #38bdf8;
  --accent-glow: rgba(0, 229, 255, 0.45);
  --accent-warm: #ff7a3d;
  --accent-warm-glow: rgba(255, 122, 61, 0.4);

  --text-primary: #ffffff;
  --text-secondary: #d1d5db;
  --text-tertiary: #9ca3af;
  --text-muted: #6b7280;
  --text-dim: #4b5563;

  --border-light: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-accent: rgba(0, 229, 255, 0.4);

  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;

  --gradient-cyber: linear-gradient(135deg, #00e5ff 0%, #0ea5e9 50%, #6366f1 100%);
  --gradient-fire: linear-gradient(135deg, #ff7a3d 0%, #ef4444 100%);
  --gradient-aurora: linear-gradient(135deg, #00e5ff 0%, #6366f1 50%, #ec4899 100%);
  --gradient-deep: linear-gradient(180deg, #000000 0%, #0a0a0a 100%);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 32px rgba(0, 229, 255, 0.25);

  --font-display: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'SF Pro Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Consolas', monospace;

  --container-max: 1440px;
  --container-padding: clamp(1.25rem, 4vw, 3rem);
  --section-padding: clamp(5rem, 10vh, 8rem);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-xl: 22px;
  --radius-full: 9999px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 200ms;
  --duration-base: 400ms;
  --duration-slow: 800ms;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background:
    radial-gradient(circle at 20% 20%, rgba(0, 229, 255, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.06) 0%, transparent 50%);
  z-index: -2;
  pointer-events: none;
  animation: ambientGlow 20s ease-in-out infinite alternate;
}

body::after {
  content: '';
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  z-index: -1;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
  opacity: 0.6;
}

@keyframes ambientGlow {
  0% { opacity: 1; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.05); }
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, 5.5rem); letter-spacing: -0.04em; }
h2 { font-size: clamp(2rem, 4.5vw, 3.75rem); letter-spacing: -0.03em; }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); }

p { color: var(--text-secondary); line-height: 1.7; margin-bottom: 1rem; }

a { color: var(--accent-primary); text-decoration: none; transition: color var(--duration-fast); }
a:hover { color: var(--accent-tertiary); }

::selection { background: var(--accent-primary); color: var(--bg-primary); }

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

section { padding: var(--section-padding) 0; position: relative; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.section-tag::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-primary);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.4); }
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.section-title .highlight {
  background: var(--gradient-cyber);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text-tertiary);
  max-width: 720px;
  line-height: 1.7;
}

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ============ Buttons ============ */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 2rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--duration-base);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  overflow: hidden;
  isolation: isolate;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.25) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.8s;
  z-index: -1;
}

.btn:hover::before { transform: translateX(100%); }

.btn-primary {
  background: var(--gradient-cyber);
  color: #000;
  box-shadow: 0 8px 24px rgba(0, 229, 255, 0.25), inset 0 1px 0 rgba(255,255,255,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(0, 229, 255, 0.45), inset 0 1px 0 rgba(255,255,255,0.4);
  color: #000;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-accent);
  transform: translateY(-2px);
  color: var(--text-primary);
}

.btn-sm { padding: 0.55rem 1.25rem; font-size: 0.85rem; }
.btn-lg { padding: 1.15rem 2.5rem; font-size: 1.05rem; }

.btn .arrow { transition: transform var(--duration-base); }
.btn:hover .arrow { transform: translateX(4px); }

/* ============ Navigation ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: all var(--duration-base);
}

.nav.scrolled {
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-light);
  padding: 0.75rem 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  text-decoration: none;
  transition: transform var(--duration-base);
}

.nav-logo:hover { transform: translateY(-1px); color: var(--text-primary); }

.nav-logo svg { width: 32px; height: 32px; }

.nav-logo .logo-text {
  display: flex; flex-direction: column; line-height: 1;
}

.nav-logo .logo-text small {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--text-tertiary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-menu {
  display: flex; align-items: center; gap: 0.5rem; list-style: none;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: color var(--duration-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 50%; bottom: 4px;
  width: 0; height: 1px;
  background: var(--accent-primary);
  transition: all var(--duration-base);
  transform: translateX(-50%);
}

.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-link:hover::after, .nav-link.active::after { width: calc(100% - 2rem); }

.nav-cta { display: flex; align-items: center; gap: 0.75rem; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  cursor: pointer;
  color: var(--text-primary);
}

.nav-toggle svg { width: 24px; height: 24px; display: block; }

/* ============ Hero Section - COMPLETE REBUILD ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 3rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 30% 30%, rgba(0, 229, 255, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 70%, rgba(99, 102, 241, 0.12) 0%, transparent 60%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 5rem;
  align-items: center;
  z-index: 2;
}

/* Hero Content - LEFT side */
.hero-content {
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1rem 0.45rem 0.5rem;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s both;
}

.hero-eyebrow .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 12px var(--accent-primary);
  animation: pulse 1.6s ease-in-out infinite;
}

/* Hero h1 - smaller, more elegant */
.hero-content h1 {
  font-size: clamp(1.9rem, 3.6vw, 3.2rem) !important;
  line-height: 1.15 !important;
  letter-spacing: -0.02em !important;
  margin-bottom: 1.5rem !important;
  animation: fadeInUp 1s 0.1s both;
}

.hero-content h1 .line {
  display: block;
  overflow: hidden;
}

.hero-content h1 .word {
  display: inline-block;
  background: var(--gradient-cyber);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content h1 .outline {
  -webkit-text-fill-color: transparent;
  -webkit-text-stroke: 1.5px rgba(255,255,255,0.7);
}

.hero-desc {
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
  animation: fadeInUp 1s 0.3s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
  animation: fadeInUp 1s 0.5s both;
}

.hero-meta {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  animation: fadeInUp 1s 0.7s both;
}

.hero-meta-item {
  display: flex; flex-direction: column; gap: 0.25rem;
}

.hero-meta-item .num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  background: var(--gradient-cyber);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-meta-item .label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Hero Visual - RIGHT side - CLEAN CIRCULAR DESIGN */
.hero-visual {
  position: relative;
  width: 100%;
  max-width: 500px;
  aspect-ratio: 1;
  margin-left: auto;
  margin-right: auto;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid rgba(0, 229, 255, 0.25);
  box-shadow:
    0 0 80px rgba(0, 229, 255, 0.25),
    inset 0 0 60px rgba(0, 229, 255, 0.1),
    0 20px 60px rgba(0, 0, 0, 0.5);
  animation: fadeIn 1.4s 0.4s both;
}

/* Inner SVG visual - displays perfectly circular */
.hero-visual svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Hide anything else inside hero-visual */
.hero-visual img { display: none; }
.hero-visual > div:not(.hero-visual-svg-wrap) { display: none; }

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

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

@keyframes scrollX {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============ Card / Glass Panels ============ */
.card {
  position: relative;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: all var(--duration-base);
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0) 0%, rgba(0, 229, 255, 0.05) 100%);
  opacity: 0;
  transition: opacity var(--duration-base);
}

.card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 229, 255, 0.15);
}

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

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.15) 0%, rgba(99, 102, 241, 0.1) 100%);
  border: 1px solid rgba(0, 229, 255, 0.2);
  margin-bottom: 1.25rem;
  color: var(--accent-primary);
  transition: all var(--duration-base);
}

.card:hover .card-icon { transform: scale(1.1) rotate(-5deg); box-shadow: var(--shadow-glow); }

.card-icon svg { width: 28px; height: 28px; }

.card h3 { margin-bottom: 0.75rem; font-size: 1.3rem; }
.card p { font-size: 0.95rem; line-height: 1.65; color: var(--text-tertiary); margin: 0; }

.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

.section-header { text-align: center; max-width: 820px; margin: 0 auto 4rem; }
.section-header .section-tag { margin-bottom: 1.5rem; }

.marquee {
  position: relative;
  overflow: hidden;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  background: rgba(255,255,255,0.01);
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
  display: flex;
  gap: 4rem;
  width: max-content;
  animation: scrollX 40s linear infinite;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  white-space: nowrap;
}

.marquee-item .star { color: var(--accent-primary); }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding: 3rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0, 229, 255, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

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

.stat-item .stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1;
  background: var(--gradient-cyber);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.stat-item .stat-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer {
  position: relative;
  padding: 6rem 0 2rem;
  border-top: 1px solid var(--border-light);
  background: var(--bg-secondary);
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(0, 229, 255, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 0%, rgba(99, 102, 241, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
  position: relative;
}

.footer-brand { max-width: 360px; }
.footer-brand .nav-logo { margin-bottom: 1.25rem; }
.footer-brand p { font-size: 0.9rem; color: var(--text-tertiary); line-height: 1.7; margin-bottom: 1.5rem; }

.footer-contact { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.footer-contact li { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.88rem; color: var(--text-tertiary); }
.footer-contact svg { flex-shrink: 0; width: 16px; height: 16px; color: var(--accent-primary); margin-top: 3px; }

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.footer-links a {
  font-size: 0.9rem;
  color: var(--text-tertiary);
  transition: all var(--duration-fast);
  display: inline-block;
}
.footer-links a:hover { color: var(--accent-primary); transform: translateX(4px); }

.footer-bottom {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}

.footer-copyright { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-muted); }

.footer-legal { display: flex; flex-wrap: wrap; gap: 1.5rem; list-style: none; }
.footer-legal a { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-muted); letter-spacing: 0.05em; }
.footer-legal a:hover { color: var(--accent-primary); }

.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.gap-1 { gap: 1rem; }
.gap-2 { gap: 2rem; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

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

.glow-text { text-shadow: 0 0 24px var(--accent-glow); }

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-medium), transparent);
  margin: 4rem 0;
  border: 0;
}

.page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1.5rem;
  transition: opacity 0.6s, visibility 0.6s;
}

.page-loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-ring {
  width: 64px; height: 64px;
  border: 2px solid transparent;
  border-top-color: var(--accent-primary);
  border-right-color: var(--accent-primary);
  border-radius: 50%;
  animation: rotate 1s linear infinite;
}

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

.loader-text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-primary);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: pulse 1.5s ease-in-out infinite;
}

.tilt-card { transition: transform 0.4s; transform-style: preserve-3d; }
.tilt-card:hover { transform: translateY(-4px); }

.bento { display: grid; grid-template-columns: repeat(6, 1fr); grid-auto-rows: minmax(180px, auto); gap: 1.5rem; }
.bento-item { position: relative; background: rgba(255,255,255,0.02); border: 1px solid var(--border-light); border-radius: var(--radius-xl); padding: 2rem; overflow: hidden; transition: all var(--duration-base); display: flex; flex-direction: column; justify-content: space-between; }
.bento-item:hover { border-color: var(--border-accent); transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,229,255,0.12); }
.bento-item.span-2 { grid-column: span 2; }
.bento-item.span-3 { grid-column: span 3; }
.bento-item.span-4 { grid-column: span 4; }
.bento-item.span-6 { grid-column: span 6; }

.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.9s, transform 0.9s; }
.reveal.in-view { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-60px); transition: opacity 0.9s, transform 0.9s; }
.reveal-left.in-view { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(60px); transition: opacity 0.9s, transform 0.9s; }
.reveal-right.in-view { opacity: 1; transform: translateX(0); }
.reveal-scale { opacity: 0; transform: scale(0.85); transition: opacity 0.9s, transform 0.9s; }
.reveal-scale.in-view { opacity: 1; transform: scale(1); }

.stagger > * { transition-delay: 0s; }
.stagger > *:nth-child(1) { transition-delay: 0.05s; }
.stagger > *:nth-child(2) { transition-delay: 0.15s; }
.stagger > *:nth-child(3) { transition-delay: 0.25s; }
.stagger > *:nth-child(4) { transition-delay: 0.35s; }
.stagger > *:nth-child(5) { transition-delay: 0.45s; }
.stagger > *:nth-child(6) { transition-delay: 0.55s; }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-primary);
  letter-spacing: 0.05em;
}

.tag.tag-warm { background: rgba(255, 122, 61, 0.08); border-color: rgba(255, 122, 61, 0.25); color: var(--accent-warm); }
.tag.tag-purple { background: rgba(99, 102, 241, 0.08); border-color: rgba(99, 102, 241, 0.25); color: #a78bfa; }
.tag.tag-green { background: rgba(34, 197, 94, 0.08); border-color: rgba(34, 197, 94, 0.25); color: #4ade80; }

.app-card {
  position: relative;
  padding: 2rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  transition: all var(--duration-base);
  overflow: hidden;
  height: 100%;
}

.app-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,229,255,0.12);
}

.app-icon {
  width: 72px; height: 72px;
  border-radius: 18px;
  background: var(--gradient-cyber);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  position: relative;
  box-shadow: 0 8px 20px rgba(0,229,255,0.3);
}

.app-icon::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 20px;
  background: var(--gradient-cyber);
  z-index: -1;
  opacity: 0.5;
  filter: blur(10px);
}

.app-icon svg { width: 36px; height: 36px; color: #000; }

.app-card h4 { font-size: 1.15rem; margin-bottom: 0.5rem; }

.app-card .app-cat {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.app-card p { font-size: 0.9rem; color: var(--text-tertiary); line-height: 1.6; }

.news-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--duration-base);
  height: 100%;
}

.news-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,229,255,0.12);
}

.news-thumb {
  position: relative;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-elevated));
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.news-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0,229,255,0.15), transparent 60%);
}

.news-thumb svg {
  width: 64px; height: 64px;
  color: var(--accent-primary);
  opacity: 0.8;
  transition: all var(--duration-base);
}

.news-card:hover .news-thumb svg {
  transform: scale(1.15) rotate(-8deg);
  opacity: 1;
}

.news-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.news-meta .cat { color: var(--accent-primary); }

.news-card h3 { font-size: 1.2rem; line-height: 1.4; color: var(--text-primary); margin: 0; }

.news-card p { font-size: 0.92rem; color: var(--text-tertiary); line-height: 1.6; flex: 1; margin: 0; }

.news-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: gap var(--duration-fast);
}

.news-link:hover { gap: 0.8rem; }

.team-card {
  position: relative;
  padding: 2rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: all var(--duration-base);
  overflow: hidden;
}

.team-avatar {
  width: 96px; height: 96px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  background: var(--gradient-cyber);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: #000;
}

.team-card h4 { margin-bottom: 0.25rem; }
.team-card .role { font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent-primary); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 1rem; }
.team-card p { font-size: 0.9rem; color: var(--text-tertiary); }

.timeline { position: relative; padding-left: 3rem; }
.timeline::before { content: ''; position: absolute; top: 0; bottom: 0; left: 1rem; width: 2px; background: linear-gradient(180deg, var(--accent-primary), transparent); }
.timeline-item { position: relative; padding-bottom: 3rem; }
.timeline-item::before { content: ''; position: absolute; top: 8px; left: -2.25rem; width: 12px; height: 12px; border-radius: 50%; background: var(--accent-primary); box-shadow: 0 0 12px var(--accent-primary); }
.timeline-date { font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent-primary); letter-spacing: 0.1em; margin-bottom: 0.5rem; }

.process-step {
  position: relative;
  padding: 2rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  transition: all var(--duration-base);
}

.process-step::before {
  content: '';
  position: absolute;
  top: -1px; left: 0;
  width: 0; height: 2px;
  background: var(--gradient-cyber);
  transition: width var(--duration-base);
}

.process-step:hover::before { width: 100%; }
.process-step:hover { background: rgba(0,229,255,0.04); border-color: var(--border-accent); }
.process-step .step-num { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent-primary); letter-spacing: 0.1em; margin-bottom: 0.75rem; }
.process-step h4 { font-size: 1.15rem; margin-bottom: 0.75rem; }

.form-group { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.5rem; }
.form-label { font-family: var(--font-mono); font-size: 0.78rem; font-weight: 500; color: var(--text-secondary); letter-spacing: 0.1em; text-transform: uppercase; }
.form-input, .form-textarea, .form-select { width: 100%; padding: 1rem 1.25rem; background: rgba(255,255,255,0.03); border: 1px solid var(--border-light); border-radius: var(--radius-md); color: var(--text-primary); font-family: var(--font-body); font-size: 0.95rem; transition: all var(--duration-fast); outline: none; }
.form-input:focus, .form-textarea:focus, .form-select:focus { border-color: var(--accent-primary); background: rgba(0,229,255,0.04); box-shadow: 0 0 0 3px rgba(0,229,255,0.1); }
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-textarea { resize: vertical; min-height: 140px; font-family: var(--font-body); }

.quote-block {
  position: relative;
  padding: 3rem;
  background: rgba(0,229,255,0.04);
  border-left: 3px solid var(--accent-primary);
  border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.hover-underline { position: relative; display: inline-block; }
.hover-underline::after { content: ''; position: absolute; left: 0; bottom: -4px; width: 0; height: 1px; background: var(--accent-primary); transition: width var(--duration-base); }
.hover-underline:hover::after { width: 100%; }

.hover-glow { transition: box-shadow var(--duration-base); }
.hover-glow:hover { box-shadow: 0 0 60px rgba(0, 229, 255, 0.35); }

.hover-lift { transition: transform var(--duration-base); }
.hover-lift:hover { transform: translateY(-4px); }

/* Legal Pages */
.legal-layout { display: grid; grid-template-columns: 280px 1fr; gap: 3rem; }
.legal-toc {
  position: sticky; top: 100px;
  padding: 2rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}
.legal-toc h4 { font-size: 0.8rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 1rem; }
.legal-toc ol { list-style: none; counter-reset: toc; padding: 0; margin: 0; }
.legal-toc ol li { counter-increment: toc; margin-bottom: 0.5rem; padding-left: 1.75rem; position: relative; }
.legal-toc ol li::before { content: counter(toc, decimal-leading-zero); position: absolute; left: 0; top: 0; font-family: var(--font-mono); font-size: 0.7rem; color: var(--accent-primary); }
.legal-toc a { font-size: 0.85rem; color: var(--text-secondary); transition: color var(--duration-fast); display: inline-block; line-height: 1.5; }
.legal-toc a:hover { color: var(--accent-primary); }

.legal-content { max-width: 900px; margin: 0 auto; }
.legal-content h2 { font-size: 1.75rem; margin: 2.5rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--border-light); }
.legal-content h3 { font-size: 1.25rem; margin: 2rem 0 0.75rem; color: var(--text-primary); }
.legal-content p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.75; margin-bottom: 1rem; }
.legal-content ul, .legal-content ol { margin: 1rem 0 1.25rem 1.5rem; color: var(--text-secondary); }
.legal-content li { margin-bottom: 0.5rem; line-height: 1.7; font-size: 0.95rem; }
.legal-content strong { color: var(--text-primary); }
.legal-content a { color: var(--accent-primary); text-decoration: underline; }

.legal-meta {
  display: flex; flex-wrap: wrap; gap: 1rem 2rem;
  padding: 1.5rem;
  background: rgba(0,229,255,0.04);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  margin-bottom: 3rem;
}
.legal-meta-item { display: flex; flex-direction: column; gap: 0.25rem; }
.legal-meta-item .lbl { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted); letter-spacing: 0.1em; text-transform: uppercase; }
.legal-meta-item .val { font-size: 0.95rem; color: var(--text-primary); font-weight: 500; }

.section-divider-glow {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--accent-primary) 50%, transparent 100%);
  position: relative;
  margin: 6rem 0;
}

.hover-bg-glow:hover { background: rgba(0,229,255,0.08); }

.tech-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--duration-fast);
}

.tech-pill:hover { background: rgba(0,229,255,0.06); border-color: var(--border-accent); color: var(--accent-primary); }
.tech-pill svg { width: 16px; height: 16px; }

.footer-canvas { position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:0.5; }

.deco-grid { position: absolute; inset: 0; pointer-events: none; }

/* Noise overlay */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
}

@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-meta { justify-content: center; }
  .hero-visual { max-width: 380px; }
  .legal-layout { grid-template-columns: 1fr; }
  .legal-toc { position: relative; top: auto; max-height: none; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento-item.span-2, .bento-item.span-3, .bento-item.span-4, .bento-item.span-6 { grid-column: span 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
  :root { --container-padding: 1.25rem; --section-padding: 4rem; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; padding: 2rem; gap: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero { min-height: auto; padding-top: 100px; padding-bottom: 4rem; }
  .hero-visual { max-width: 320px; }
  .bento { grid-template-columns: 1fr; }
  .bento-item.span-2, .bento-item.span-3, .bento-item.span-4, .bento-item.span-6 { grid-column: span 1; }
  .quote-block { padding: 2rem; font-size: 1rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-meta { flex-direction: column; align-items: center; gap: 1rem; }
  .stats { grid-template-columns: 1fr; padding: 1.5rem; }
  .stat-item .stat-num { font-size: 2.5rem; }
  .card, .app-card, .news-card, .bento-item, .process-step { padding: 1.5rem; }
  .legal-content h2 { font-size: 1.4rem; }
  .legal-content h3 { font-size: 1.1rem; }
}

@media (max-width: 900px) {
  .nav-menu {
    position: fixed;
    top: 70px; left: 0; right: 0;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    padding: 2rem;
    border-top: 1px solid var(--border-light);
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--duration-base);
    z-index: 1000;
  }
  .nav-menu.open { transform: translateY(0); opacity: 1; }
  .nav-toggle { display: flex; }
  .nav-cta .btn { display: none; }
  .nav-menu .nav-link { width: 100%; text-align: center; padding: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .reveal-left, .reveal-right, .reveal-scale { opacity: 1 !important; transform: none !important; }
}

@media print {
  body::before, body::after, .page-loader, .noise-overlay,
  .particle-bg, .nav, .footer { display: none !important; }
  body { background: #fff !important; color: #000 !important; }
  h1, h2, h3, h4, p, li { color: #000 !important; }
  a { color: #06c !important; text-decoration: underline; }
}