@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Plus Jakarta Sans', var(--font-sans);
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Color Palette - Dark default */
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --border-color: rgba(148, 163, 184, 0.12);
  --border-color-hover: rgba(56, 189, 248, 0.35);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-cyan: #38bdf8;
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-gradient: linear-gradient(135deg, #38bdf8 0%, #3b82f6 50%, #6366f1 100%);
  
  --glass-bg: rgba(15, 23, 42, 0.8);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glow-color: rgba(56, 189, 248, 0.15);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: rgba(241, 245, 249, 1);
  --border-color: rgba(203, 213, 225, 0.6);
  --border-color-hover: rgba(37, 99, 235, 0.4);
  
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  
  --accent-cyan: #0284c7;
  --accent-blue: #2563eb;
  --accent-indigo: #4f46e5;
  --accent-gradient: linear-gradient(135deg, #0284c7 0%, #2563eb 50%, #4f46e5 100%);
  
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.06);
  --glow-color: rgba(37, 99, 235, 0.08);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 10%, var(--glow-color) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(99, 102, 241, 0.1) 0%, transparent 45%);
  background-attachment: fixed;
}

/* Typography Utility */
.font-display {
  font-family: var(--font-display);
}

.font-mono {
  font-family: var(--font-mono);
}

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

/* Glassmorphism Navigation */
.header-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background-color: var(--glass-bg);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

/* Cards & Containers */
.card-glass {
  background-color: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-glass:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -10px var(--glow-color);
}

/* Tech Badges */
.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.35rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.785rem;
  font-weight: 500;
  border-radius: 9999px;
  background-color: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  color: var(--accent-cyan);
  transition: all 0.2s ease;
}

[data-theme="light"] .tech-badge {
  background-color: rgba(2, 132, 199, 0.08);
  border-color: rgba(2, 132, 199, 0.25);
  color: #0369a1;
}

.tech-badge:hover {
  background-color: rgba(56, 189, 248, 0.18);
  transform: scale(1.03);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 0.75rem;
  background: var(--accent-gradient);
  color: #ffffff;
  text-decoration: none;
  box-shadow: 0 4px 15px -3px rgba(37, 99, 235, 0.4);
  transition: all 0.25s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px -4px rgba(37, 99, 235, 0.6);
  color: #ffffff;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 0.75rem;
  background-color: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  text-decoration: none;
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
}

/* Legal Documents Styling */
.legal-container {
  max-width: 860px;
  margin: 0 auto;
  line-height: 1.75;
}

.legal-section {
  margin-bottom: 2.5rem;
}

.legal-section h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.legal-section p, .legal-section li {
  color: var(--text-secondary);
  font-size: 0.975rem;
  margin-bottom: 0.85rem;
}

.legal-section ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.legal-highlight-box {
  background-color: rgba(56, 189, 248, 0.05);
  border-left: 4px solid var(--accent-cyan);
  padding: 1.25rem 1.5rem;
  border-radius: 0 0.75rem 0.75rem 0;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.legal-highlight-box strong {
  color: var(--text-primary);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-blue);
}