/* ============================================================
   The Photo Lab — shared shell styles
   Used by: about.html, faq.html, privacy.html, terms.html
   ============================================================ */

:root {
  --ink: #1a1815;
  --ink-soft: #3a3530;
  --paper: #f4ede0;
  --paper-warm: #ebe1cc;
  --rust: #b8410e;
  --rust-soft: #d65a1f;
  --line: #2c2823;
  --shadow: rgba(26, 24, 21, 0.12);
}

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

html, body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Fraunces', Georgia, serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

/* Grainy texture overlay (matches index.html) */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.1  0 0 0 0 0.09  0 0 0 0 0.08  0 0 0 0.08 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.4;
  mix-blend-mode: multiply;
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 40px 32px 80px;
  position: relative;
  z-index: 2;
}

/* ---------- Masthead ---------- */
header {
  border-top: 3px double var(--line);
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
  margin-bottom: 40px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
}
.meta-left, .meta-right {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.meta-right { text-align: right; }
.masthead { text-align: center; }
.masthead h1 {
  font-family: 'Fraunces', serif;
  font-weight: 800;
  font-size: clamp(32px, 4.5vw, 56px);
  font-style: italic;
  letter-spacing: -0.02em;
  line-height: 1;
}
.masthead h1 a {
  color: var(--ink);
  text-decoration: none;
}
.masthead h1 a:hover { color: var(--rust); }
.masthead .sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-top: 8px;
  color: var(--rust);
}

/* ---------- Top navigation / back-to-app link ---------- */
.page-nav {
  margin-bottom: 32px;
}
.page-nav a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--rust);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.page-nav a:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- Page title ---------- */
.page-title {
  margin-bottom: 36px;
}
.page-title .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 8px;
}
.page-title h1 {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-weight: 700;
  font-size: clamp(32px, 4.5vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-title .updated {
  margin-top: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------- Article content ---------- */
article {
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-soft);
}
article p {
  margin-bottom: 18px;
}
article p strong { color: var(--ink); }
article h2 {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-weight: 600;
  font-size: 28px;
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--ink);
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--ink-soft);
}
article h3 {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 21px;
  margin-top: 32px;
  margin-bottom: 10px;
  color: var(--ink);
}
article ul, article ol {
  padding-left: 28px;
  margin-bottom: 20px;
}
article li {
  margin-bottom: 10px;
  line-height: 1.7;
}
article li strong { color: var(--ink); }
article a {
  color: var(--rust);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
article a:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}
article code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  background: var(--paper-warm);
  padding: 2px 6px;
  color: var(--ink);
}
article blockquote {
  margin: 24px 0;
  padding: 16px 20px;
  background: var(--paper-warm);
  border-left: 3px solid var(--rust);
  font-style: italic;
  font-size: 16px;
}

/* ---------- Callout box ---------- */
.callout {
  margin: 24px 0;
  padding: 18px 22px;
  background: var(--paper-warm);
  border-left: 3px solid var(--rust);
  font-size: 15px;
  line-height: 1.7;
}
.callout strong {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 8px;
}

/* ---------- Footer ---------- */
footer {
  margin-top: 80px;
  padding-top: 24px;
  border-top: 3px double var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
footer .center { text-align: center; }
footer .right { text-align: right; }
.footer-link {
  color: var(--rust);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.footer-link:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}
.footer-link-btn {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  text-transform: inherit;
  letter-spacing: inherit;
  cursor: pointer;
}
.footer-nav {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
}
.footer-sep {
  color: var(--ink-soft);
  opacity: 0.5;
}

@media (max-width: 600px) {
  header {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .meta-left, .meta-right { text-align: center; }
  .wrap { padding: 24px 18px 50px; }
  footer { grid-template-columns: 1fr; text-align: center; }
  footer .center, footer .right { text-align: center; }
  .footer-nav { justify-content: center; }
  article { font-size: 16px; }
}