/* Shared styles for legal pages (terms, privacy) */
:root {
  --paper: #ece4d2;
  --paper-2: #f5efe0;
  --paper-3: #e2d8c1;
  --ink: #161411;
  --ink-soft: #2b2721;
  --moss: #1d3a2a;
  --moss-deep: #112619;
  --moss-lit: #3a5a44;
  --terracotta: #b95a3c;
  --terracotta-deep: #8a3e26;
  --ochre: #c8944a;
  --stone: #877a63;
  --line: #2b2721;

  --serif: "Fraunces", "Noto Serif TC", serif;
  --han: "Noto Serif TC", "Fraunces", serif;
  --sans: "Instrument Sans", -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--han);
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.09 0 0 0 0 0.08 0 0 0 0 0.07 0 0 0 0.22 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.5;
  pointer-events: none;
  z-index: 100;
  mix-blend-mode: multiply;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at 50% 40%, transparent 40%, rgba(22, 20, 17, 0.12) 100%);
  pointer-events: none;
  z-index: 99;
}

::selection { background: var(--moss); color: var(--paper-2); }

a { color: var(--moss); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--terracotta); }

.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 40px;
}

@media (max-width: 720px) {
  .container { padding: 0 24px; }
}

/* Masthead */
.masthead {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  position: relative;
  z-index: 2;
  background: var(--paper);
}

.masthead .container {
  max-width: 1360px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.masthead-mark {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.01em;
  text-transform: none;
  color: var(--ink);
  text-decoration: none;
}

.masthead-mark:hover { color: var(--moss); }

.masthead-mark .icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow:
    0 0 0 1px rgba(22,20,17,0.08),
    0 2px 6px -2px rgba(22,20,17,0.25);
}

.masthead-back {
  color: var(--ink-soft);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.3s ease;
}

.masthead-back:hover { color: var(--terracotta); }

.lang-switch {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--ink);
  background-color: var(--paper-2);
  border: 1px solid var(--ink);
  border-radius: 2px;
  padding: 7px 28px 7px 12px;
  cursor: pointer;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1 L5 5 L9 1' fill='none' stroke='%23161411' stroke-width='1.2' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: all 0.25s ease;
  max-width: 180px;
  line-height: 1.2;
}

.lang-switch:hover {
  background-color: var(--paper-3);
  border-color: var(--terracotta);
  color: var(--terracotta);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1 L5 5 L9 1' fill='none' stroke='%23b95a3c' stroke-width='1.2' stroke-linecap='round'/></svg>");
}

.lang-switch:focus-visible {
  outline: none;
  border-color: var(--terracotta);
  box-shadow: 0 0 0 3px rgba(185, 90, 60, 0.18);
}

.lang-switch option {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  background: var(--paper);
  color: var(--ink);
  padding: 8px 12px;
}

@media (max-width: 720px) {
  .lang-switch { font-size: 9px; padding: 6px 24px 6px 10px; }
}

@media (max-width: 520px) {
  .masthead-back { display: none; }
}

/* Document header */
.doc-header {
  padding: 80px 0 48px;
  border-bottom: 1px solid var(--line);
}

.doc-kicker {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 40px;
  padding-bottom: 16px;
  border-bottom: 1px dotted var(--ink);
}

.doc-kicker .divider {
  flex: 1;
  height: 1px;
  background: repeating-linear-gradient(to right, var(--ink) 0 2px, transparent 2px 6px);
  margin: 0 24px;
  align-self: center;
}

.doc-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(48px, 8vw, 104px);
  line-height: 0.92;
  letter-spacing: -0.035em;
  margin-bottom: 20px;
  font-variation-settings: "opsz" 144, "SOFT" 40;
}

.doc-title .italic {
  font-style: italic;
  color: var(--moss);
  font-variation-settings: "opsz" 144, "SOFT" 80, "WONK" 1;
}

.doc-title .han {
  display: block;
  font-family: var(--han);
  font-weight: 300;
  font-size: 0.38em;
  color: var(--ink-soft);
  margin-top: 0.3em;
  letter-spacing: 0.05em;
}

.doc-meta {
  display: flex;
  gap: 32px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stone);
  flex-wrap: wrap;
}

.doc-meta strong {
  color: var(--ink);
  font-weight: 500;
}

/* Table of contents */
.toc {
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

.toc-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 18px;
}

.toc-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 40px;
}

@media (max-width: 640px) {
  .toc-list { grid-template-columns: 1fr; }
}

.toc-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--han);
  font-size: 14px;
}

.toc-list li a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s ease;
}

.toc-list li a:hover { color: var(--terracotta); }

.toc-list li .num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--terracotta);
  min-width: 28px;
}

/* Body */
.doc-body {
  padding: 64px 0 80px;
}

.doc-section {
  padding: 40px 0;
  border-bottom: 1px dashed rgba(22, 20, 17, 0.2);
}

.doc-section:last-child { border-bottom: none; }

.doc-section h2 {
  display: flex;
  align-items: baseline;
  gap: 18px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 32px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  font-variation-settings: "opsz" 144, "SOFT" 40;
  scroll-margin-top: 40px;
}

.doc-section h2 .n {
  font-style: italic;
  font-size: 38px;
  color: var(--terracotta);
  font-variation-settings: "opsz" 144, "WONK" 1;
  min-width: 60px;
}

.doc-section h2 .han {
  display: block;
  font-family: var(--han);
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-soft);
  letter-spacing: 0.03em;
  margin-top: 2px;
}

.doc-section h3 {
  font-family: var(--han);
  font-size: 17px;
  font-weight: 500;
  margin-top: 24px;
  margin-bottom: 10px;
  color: var(--ink);
}

.doc-section p {
  font-family: var(--han);
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ink);
  margin-bottom: 16px;
}

.doc-section p em {
  font-family: var(--serif);
  font-style: italic;
  color: var(--moss);
}

.doc-section p strong {
  font-weight: 600;
  color: var(--ink);
}

.doc-section ul, .doc-section ol {
  margin: 14px 0 20px 0;
  padding-left: 24px;
}

.doc-section ul li, .doc-section ol li {
  font-family: var(--han);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 8px;
  color: var(--ink);
}

.doc-section ul li::marker {
  color: var(--terracotta);
  content: "— ";
}

.doc-section ol li::marker {
  color: var(--terracotta);
  font-family: var(--serif);
  font-style: italic;
}

.doc-section .callout {
  background: var(--paper-2);
  border-left: 3px solid var(--terracotta);
  padding: 20px 24px;
  margin: 24px 0;
  font-family: var(--han);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.doc-section .callout strong {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--terracotta-deep);
  display: block;
  margin-bottom: 8px;
}

.doc-section .contact-card {
  background: var(--ink);
  color: var(--paper);
  padding: 28px 32px;
  margin: 24px 0;
  border-radius: 4px;
}

.doc-section .contact-card h3 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 22px;
  color: var(--ochre);
  margin: 0 0 14px 0;
  font-variation-settings: "opsz" 144, "WONK" 1;
}

.doc-section .contact-card dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 20px;
  font-family: var(--mono);
  font-size: 12px;
}

.doc-section .contact-card dt {
  color: var(--stone);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 10px;
}

.doc-section .contact-card dd {
  color: var(--paper);
}

/* Footer */
.doc-foot {
  padding: 60px 0 80px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stone);
}

.doc-foot .sig em {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--ink);
  text-transform: none;
  letter-spacing: -0.01em;
}

.doc-foot-links {
  display: flex;
  gap: 20px;
}

.doc-foot-links a {
  color: var(--ink-soft);
  text-decoration: none;
}

.doc-foot-links a:hover { color: var(--terracotta); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}