/* ===== CSS Variables & Reset ===== */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(99, 102, 241, 0.3);
  --text-primary: #f0f0f5;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --gradient-start: #6366f1;
  --gradient-mid: #8b5cf6;
  --gradient-end: #a78bfa;
  --success: #34d399;
  --warning: #fbbf24;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', var(--font-sans);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-glow: 0 0 60px rgba(99, 102, 241, 0.08);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 800px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== Background Effects ===== */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 20%, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 60%, rgba(139, 92, 246, 0.04) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 90%, rgba(167, 139, 250, 0.03) 0%, transparent 50%);
  z-index: -1;
  animation: bgShift 20s ease-in-out infinite alternate;
}

@keyframes bgShift {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-2%, -1%) rotate(1deg); }
}

/* ===== Noise Texture Overlay ===== */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.02'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: -1;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(10, 10, 15, 0.8);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.nav-logo .logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.3);
}

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

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

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

.nav-hamburger span {
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* ===== Hero Section ===== */
.hero {
  padding: 140px 24px 80px;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-light);
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease-out;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 32px;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition-fast);
  font-family: var(--font-sans);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid));
  color: white;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 30px rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
}

/* ===== Page Header (for legal pages) ===== */
.page-header {
  padding: 130px 24px 50px;
  text-align: center;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  animation: fadeInUp 0.6s ease-out;
}

.page-header h1 .gradient-text {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-header .last-updated {
  font-size: 0.875rem;
  color: var(--text-muted);
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

/* ===== Content Section (for legal pages) ===== */
.content-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 24px 80px;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.content-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-glow);
}

.content-card h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin: 32px 0 12px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.content-card h2:first-child {
  margin-top: 0;
}

.content-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 24px 0 8px;
  color: var(--text-primary);
}

.content-card p {
  color: var(--text-secondary);
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.content-card ul, .content-card ol {
  color: var(--text-secondary);
  margin-bottom: 14px;
  padding-left: 24px;
  font-size: 0.95rem;
}

.content-card li {
  margin-bottom: 6px;
}

.content-card a {
  color: var(--accent-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(129, 140, 248, 0.3);
  transition: var(--transition-fast);
}

.content-card a:hover {
  border-bottom-color: var(--accent-light);
}

.content-card strong {
  color: var(--text-primary);
  font-weight: 600;
}

.content-card .highlight-box {
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 16px 0;
  font-size: 0.9rem;
}

/* ===== Feature Cards Grid ===== */
.features-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition-smooth);
  text-decoration: none;
  color: inherit;
  display: block;
}

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

.feature-card .card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
}

.feature-card .card-arrow {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-light);
  opacity: 0;
  transform: translateX(-8px);
  transition: var(--transition-fast);
}

.feature-card:hover .card-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ===== Links Grid (for home page) ===== */
.links-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 80px;
}

.links-section h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 32px;
  letter-spacing: -0.02em;
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 40px 24px;
  text-align: center;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

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

.footer-copy {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* ===== Contact Form ===== */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: var(--transition-fast);
  outline: none;
}

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

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

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Divider ===== */
.divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 24px 0;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 16px 24px;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    gap: 4px;
  }

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

  .nav-links a {
    padding: 10px 14px;
  }

  .nav-hamburger {
    display: flex;
  }

  .hero {
    padding: 120px 20px 60px;
  }

  .content-card {
    padding: 24px;
  }

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

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