/**
 * Visant.AI Common Styles
 * Shared CSS for unified design across all pages
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
  /* Colors */
  --primary: #CC785C;
  --primary-hover: #B86A4F;
  --primary-light: #F4EBE8;

  --text-dark: #1A1A1A;
  --text-body: #2D2D2D;
  --text-muted: #666666;
  --text-light: #999999;

  --bg-cream: #F9F8F6;
  --bg-white: #FFFFFF;
  --bg-warm: #EDE8E0;
  --bg-warm-surface: #F2EFE9;

  --border-subtle: #E6E1DC;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
  --shadow-active: 0 16px 48px rgba(204, 120, 92, 0.15);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

/* ============================================
   Base / Reset
   ============================================ */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-cream);
  color: var(--text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4 {
  margin: 0;
  color: var(--text-dark);
  letter-spacing: -0.02em;
}

p {
  margin: 0;
  color: var(--text-muted);
}

/* ============================================
   Container
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-active);
  color: white;
}

.btn-outline {
  background: transparent;
  border-color: var(--border-subtle);
  color: var(--text-body);
}

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

.btn-block {
  display: flex;
  width: 100%;
}

/* ============================================
   Navigation
   ============================================ */
.nav-wrapper {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: var(--glass-bg);
  border-bottom: 1px solid var(--border-subtle);
}

.site-header {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.brand-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-dark);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-body);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

.nav-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  margin: 5px 0;
  transition: 0.3s;
}

/* Mobile Navigation */
@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-white);
    padding: 0;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-links.open {
    max-height: 300px;
    padding: 1rem 1.5rem;
  }

  .nav-link {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .nav-actions .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }
}

/* ============================================
   Footer
   ============================================ */
footer {
  background: var(--bg-white);
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 2rem;
  text-align: center;
}

footer p {
  color: var(--text-muted);
}

.footer-links {
  margin: 1.5rem 0;
}

.footer-links a {
  margin: 0 1rem;
  color: var(--text-muted);
  text-decoration: none;
}

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

/* Alternative footer style for legal pages */
footer.simple-footer {
  background: var(--bg-warm);
  padding: 3rem 1rem;
  font-size: 0.9375rem;
}

/* ============================================
   Simple Header (for legal pages)
   ============================================ */
.simple-header {
  padding: 3rem 1rem 2rem;
  text-align: center;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-subtle);
}

.simple-header h1 {
  margin: 0;
  font-size: 2rem;
  font-weight: 600;
}

.simple-header p {
  margin: 0.75rem 0 0;
  font-size: 0.9375rem;
}

.back-link {
  display: inline-block;
  margin-bottom: 1rem;
  font-weight: 500;
}

/* ============================================
   Section Base
   ============================================ */
section {
  padding: 5rem 0;
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center {
  text-align: center;
}

.text-muted {
  color: var(--text-muted);
}

/* ============================================
   Promo Banner
   ============================================ */
.promo-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: white;
  padding: 1.25rem 1.5rem;
  text-align: center;
}

.promo-badge {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  display: inline-block;
}

.promo-code {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-family: monospace;
  letter-spacing: 0.1em;
}

/* Plan badge for pricing cards */
.plan-badge {
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 0.25rem 1rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.plan-card {
  position: relative;
}