/* =========================================================
   public.css — shared styling for Notebox's PUBLIC web pages
   (marketing site + legal documents).

   Deliberately separate from styles.css: these pages are served
   to anyone on the open web (Access-bypassed), while styles.css
   belongs to the gated app itself. Colour tokens mirror the app's
   so the two read as one product.
   ========================================================= */

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

:root {
  --bg-primary:     #FFFFFF;
  --bg-secondary:   #F6F6F4;
  --bg-card:        #FAFAF8;
  --text-primary:   #1C1C1C;
  --text-secondary: #6B6B6B;
  --text-tertiary:  #ABABAB;
  --border-subtle:  #E8E8E5;
  --border-default: #D4D4D0;
  --accent:         #1C1C1C;
  --accent-fg:      #FFFFFF;
  --shadow-card:    0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary:     #121212;
    --bg-secondary:   #1C1C1C;
    --bg-card:        #1A1A1A;
    --text-primary:   #F0F0EE;
    --text-secondary: #909090;
    --text-tertiary:  #555555;
    --border-subtle:  #2A2A2A;
    --border-default: #333333;
    --accent:         #F0F0EE;
    --accent-fg:      #121212;
    --shadow-card:    0 1px 3px rgba(0, 0, 0, 0.4), 0 4px 16px rgba(0, 0, 0, 0.3);
  }
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 400;
  line-height: 1.65;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

.wrap {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

main {
  flex: 1 0 auto;
}

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid var(--border-subtle);
  padding: 20px 0;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.wordmark {
  font-family: Georgia, 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: 1.5rem;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.site-nav a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
}

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

/* ---------- Hero ---------- */

.hero {
  padding: 72px 0 56px;
  text-align: center;
}

.hero-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  margin: 0 auto 28px;
  display: block;
  box-shadow: var(--shadow-card);
}

.hero h1 {
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.hero p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
}

/* ---------- Store buttons ---------- */

.store-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 32px;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 12px;
  background-color: var(--accent);
  color: var(--accent-fg);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
}

.store-btn[aria-disabled="true"] {
  background-color: var(--bg-secondary);
  color: var(--text-tertiary);
  border: 1px solid var(--border-subtle);
  cursor: default;
}

.store-note {
  margin-top: 16px;
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

/* ---------- Sections ---------- */

section {
  padding: 48px 0;
  border-top: 1px solid var(--border-subtle);
}

section h2 {
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: 24px;
}

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

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.feature {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 22px;
}

.feature h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* ---------- Pricing ---------- */

.plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.plan {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.plan-name {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.plan-price {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.plan-period {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-bottom: 18px;
}

.plan ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.plan li {
  font-size: 0.9063rem;
  color: var(--text-secondary);
  padding-left: 18px;
  position: relative;
}

.plan li::before {
  content: "·";
  position: absolute;
  left: 4px;
  color: var(--text-tertiary);
}

/* ---------- Legal / prose pages ---------- */

.prose {
  padding: 48px 0 64px;
}

.prose h1 {
  font-size: 1.875rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.prose .updated {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin-bottom: 36px;
}

.prose h2 {
  font-size: 1.1875rem;
  font-weight: 600;
  margin: 36px 0 12px;
}

.prose h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 24px 0 8px;
}

.prose p {
  margin-bottom: 14px;
  color: var(--text-secondary);
}

.prose ul {
  list-style: none;
  margin: 0 0 16px;
}

.prose li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 9px;
  color: var(--text-secondary);
}

.prose li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--text-tertiary);
}

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

.prose a {
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

.site-footer {
  flex-shrink: 0;
  border-top: 1px solid var(--border-subtle);
  padding: 32px 0 40px;
  margin-top: 24px;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
}

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

.footer-meta {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

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

@media (max-width: 560px) {
  .hero {
    padding: 52px 0 40px;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .site-header .wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}