/* ============================================
   VeriCar — Shared Styles
   ============================================ */

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-success: #16a34a;
  --color-success-light: #dcfce7;
  --color-warning: #f59e0b;
  --color-warning-light: #fef3c7;
  --color-danger: #dc2626;
  --color-danger-light: #fee2e2;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-bg: #ffffff;
  --color-bg-subtle: #f8fafc;
  --color-border: #e2e8f0;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --max-width: 720px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ---- Layout ---- */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.page-header {
  text-align: center;
  padding: 3rem 0 2rem;
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.page-header .subtitle {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
}

/* ---- Navigation ---- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 0;
}

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

.nav-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

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

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

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

/* ---- Hero (Landing) ---- */

.hero {
  text-align: center;
  padding: 4rem 0 3rem;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.hero h1 span {
  color: var(--color-primary);
}

.hero .lead {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  max-width: 540px;
  margin: 0 auto 2rem;
}

.cta-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary-light);
}

/* ---- Features ---- */

.features {
  padding: 3rem 0;
}

.features h2 {
  text-align: center;
  font-size: 1.6rem;
  margin-bottom: 2rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}

.feature-card .icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.feature-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ---- How It Works ---- */

.how-it-works {
  padding: 3rem 0;
}

.how-it-works h2 {
  text-align: center;
  font-size: 1.6rem;
  margin-bottom: 2rem;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.step-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.step h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.step p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ---- Privacy / Legal content ---- */

.legal-content {
  padding: 2rem 0 4rem;
}

.legal-content h2 {
  font-size: 1.3rem;
  margin: 2rem 0 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.legal-content h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

.legal-content p,
.legal-content li {
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
}

.legal-content ul,
.legal-content ol {
  padding-left: 1.5rem;
}

.legal-content strong {
  color: var(--color-text);
}

.legal-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.legal-content th,
.legal-content td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
}

.legal-content th {
  background: var(--color-bg-subtle);
  font-weight: 600;
  color: var(--color-text);
}

/* ---- Data Table (Privacy) ---- */

.data-table {
  overflow-x: auto;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-local {
  background: var(--color-success-light);
  color: var(--color-success);
}

.badge-remote {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.badge-none {
  background: var(--color-bg-subtle);
  color: var(--color-text-secondary);
}

/* ---- Footer ---- */

.footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  list-style: none;
  margin-bottom: 1rem;
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

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

/* ---- Responsive ---- */

@media (max-width: 600px) {
  .hero h1 {
    font-size: 1.8rem;
  }

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

  .nav-links {
    gap: 1rem;
  }

  .cta-group {
    flex-direction: column;
    align-items: center;
  }
}