:root {
  /* Colors - Base Layers */
  --bg-base: #0b1c24;
  --bg-secondary: #102a33;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(125, 211, 252, 0.08);
  
  /* Colors - Accents */
  --accent-primary: #7dd3fc;
  --accent-secondary: #38bdf8;
  --accent-highlight: #f59e0b;
  
  /* Colors - Typography */
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  
  /* Layout & Spacing */
  --container-max: 1320px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --nav-height: 90px;
  
  /* Transitions */
  --transition-slow: 0.8s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-med: 0.4s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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

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

/* Typography Utilities */
.text-accent { color: var(--accent-primary); }
.text-highlight { color: var(--accent-highlight); }
.text-muted { color: var(--text-muted); }

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); margin-bottom: 1.5rem; }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 1rem; }
p { font-size: 1.125rem; color: var(--text-secondary); margin-bottom: 1.5rem; }

/* Layout Grid */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: 120px 0;
  position: relative;
}

.section-darker {
  background-color: var(--bg-secondary);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

/* Header & Nav */
.glass-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: rgba(11, 28, 36, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: var(--transition-med);
}

.glass-nav.scrolled {
  background: rgba(11, 28, 36, 0.9);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-family: 'Poppins', sans-serif;
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  position: relative;
  transition: var(--transition-med);
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: -4px;
  left: 0;
  background-color: var(--accent-primary);
  transition: var(--transition-med);
}

.nav-links a:hover {
  color: var(--accent-primary);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: var(--transition-med);
  border: none;
  font-family: 'Inter', sans-serif;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
  color: #000;
  box-shadow: 0 4px 15px rgba(56, 189, 248, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(56, 189, 248, 0.4);
  filter: brightness(1.1);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
  background: rgba(125, 211, 252, 0.05);
}

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

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--bg-base) 0%, rgba(11, 28, 36, 0.6) 50%, rgba(11, 28, 36, 0.2) 100%);
  z-index: -1;
}

.hero-content {
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
}

/* Glass Cards */
.glass-card {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: var(--transition-slow);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, transparent 100%);
  pointer-events: none;
}

.glass-card:hover {
  transform: translateY(-8px);
  background: var(--surface-hover);
  border-color: rgba(125, 211, 252, 0.2);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.card-img-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 24px;
  aspect-ratio: 4/3;
}

.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

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

/* Footer */
.footer {
  background-color: #061014;
  padding: 80px 0 40px;
  border-top: 1px solid var(--glass-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 64px;
  margin-bottom: 64px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.9rem;
}

.footer-links h4 {
  color: var(--text-primary);
  margin-bottom: 24px;
  font-size: 1.1rem;
}

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

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

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition-med);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Page Headers */
.page-header {
  padding: 180px 0 80px;
  text-align: center;
  background: var(--bg-secondary);
  position: relative;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

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

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

.form-control {
  width: 100%;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 16px;
  color: var(--text-primary);
  font-family: inherit;
  transition: var(--transition-med);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: rgba(0,0,0,0.4);
}

/* Legal text */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h2 {
  margin-top: 48px;
  font-size: 1.5rem;
}

.legal-content ul {
  margin-bottom: 24px;
  padding-left: 24px;
  color: var(--text-secondary);
}