/* ============================================
   Subscription Services — Shared Stylesheet
   Version 1.1 · April 2026
   ============================================ */

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-footer: #0f172a;
  --color-border: #e2e8f0;
  --color-success: #16a34a;
  --color-warning: #d97706;
  --color-danger: #dc2626;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1140px;
  --radius: 8px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-primary-dark); text-decoration: underline; }

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

/* ---- Layout ---- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ---- Navigation ---- */
.nav {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
}
.nav-brand {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-text);
  text-decoration: none;
}
.nav-brand:hover { color: var(--color-primary); text-decoration: none; }
.nav-links { display: flex; gap: 24px; list-style: none; align-items: center; }
.nav-links a {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--color-primary); text-decoration: none; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-text);
}
.nav-toggle svg { width: 24px; height: 24px; }

/* ---- Hero ---- */
.hero {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-bg) 100%);
  padding: 80px 0;
  text-align: center;
}
.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text);
}
.hero p {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0 auto 32px;
}

/* ---- Page Header ---- */
.page-header {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 48px 0 40px;
}
.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.page-header p {
  color: var(--color-text-secondary);
  font-size: 1rem;
}

/* ---- Content ---- */
.content { padding: 48px 0 64px; }
.content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--color-text);
}
.content h2:first-child { margin-top: 0; }
.content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 28px 0 12px;
}
.content p { margin-bottom: 16px; color: var(--color-text-secondary); }
.content ul, .content ol {
  margin: 0 0 16px 24px;
  color: var(--color-text-secondary);
}
.content li { margin-bottom: 8px; }

/* ---- Cards ---- */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}
.card h3 { margin-top: 0; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

/* ---- Features Grid ---- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 64px 0;
}
.feature-item { text-align: center; }
.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--color-primary);
}
.feature-item h3 { margin-bottom: 8px; }
.feature-item p { font-size: 0.875rem; color: var(--color-text-secondary); }

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; margin-bottom: 24px; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
th, td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}
th {
  background: var(--color-bg-alt);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}
td { color: var(--color-text-secondary); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  gap: 8px;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; }
.btn-secondary {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-bg-alt); color: var(--color-text); }
.btn-danger {
  background: var(--color-danger);
  color: #fff;
}
.btn-danger:hover { background: #b91c1c; color: #fff; }
.btn-success {
  background: var(--color-success);
  color: #fff;
}
.btn-success:hover { background: #15803d; color: #fff; }

/* ---- Forms ---- */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  transition: border-color 0.2s;
  background: var(--color-bg);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

/* ---- Alerts ---- */
.alert {
  padding: 16px 20px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-size: 0.875rem;
}
.alert-info {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border: 1px solid #93c5fd;
}
.alert-success {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #86efac;
}
.alert-warning {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fcd34d;
}

/* ---- Blockquote ---- */
blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 20px 24px;
  margin: 24px 0;
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}
blockquote cite {
  display: block;
  margin-top: 12px;
  font-style: normal;
  font-weight: 600;
  color: var(--color-text);
  font-size: 0.875rem;
}

/* ---- Timeline ---- */
.timeline { position: relative; padding-left: 32px; margin: 24px 0; }
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}
.timeline-item { position: relative; margin-bottom: 28px; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}
.timeline-year {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--color-primary);
  margin-bottom: 4px;
}

/* ---- Footer ---- */
.footer {
  background: var(--color-bg-footer);
  color: #94a3b8;
  padding: 56px 0 0;
}
.footer a { color: #94a3b8; }
.footer a:hover { color: #e2e8f0; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.footer-col h4 {
  color: #e2e8f0;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 0.875rem; text-decoration: none; }
.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.6;
  margin-top: 8px;
  max-width: 280px;
}
.footer-brand .brand-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: #e2e8f0;
  margin-bottom: 4px;
}
.footer-bottom {
  border-top: 1px solid #1e293b;
  margin-top: 48px;
  padding: 20px 0;
  text-align: center;
  font-size: 0.75rem;
  color: #64748b;
}
.footer-bottom .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.footer-bottom p { margin-bottom: 4px; }

/* ---- Unsubscribe specific ---- */
.unsub-box {
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
}
.unsub-box .form-group { text-align: left; }
.confirm-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.confirm-overlay.active { display: flex; }
.confirm-dialog {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 440px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  text-align: center;
}
.confirm-dialog h3 { margin-bottom: 12px; }
.confirm-dialog p { margin-bottom: 24px; }
.confirm-actions { display: flex; gap: 12px; justify-content: center; }

.success-state { display: none; }
.success-state.active { display: block; }
.form-state.hidden { display: none; }

/* ---- Legal page version ---- */
.legal-meta {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  margin-top: 48px;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
    gap: 12px;
    box-shadow: var(--shadow-md);
  }
  .nav-toggle { display: block; }

  .hero { padding: 48px 0; }
  .hero h1 { font-size: 1.75rem; }

  .features { grid-template-columns: 1fr; gap: 24px; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-brand { grid-column: 1 / -1; }

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

  .page-header { padding: 32px 0; }
  .page-header h1 { font-size: 1.5rem; }
  .content { padding: 32px 0 48px; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .confirm-actions { flex-direction: column; }
}