:root {
  color-scheme: light;
  --bg: #f5efe5;
  --bg-strong: #ece2d1;
  --surface: rgba(255, 252, 246, 0.88);
  --surface-strong: #fffaf2;
  --ink: #1f1a16;
  --ink-muted: #5e534a;
  --line: rgba(86, 65, 43, 0.12);
  --accent: #8d5f2f;
  --accent-strong: #5f3b18;
  --shadow: 0 18px 60px rgba(98, 67, 36, 0.14);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --max-width: 1120px;
  --font-ui: "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-ui);
  background:
    radial-gradient(circle at top left, rgba(222, 190, 145, 0.5), transparent 34%),
    linear-gradient(180deg, #fbf7f0 0%, var(--bg) 45%, #efe3d2 100%);
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.hero,
.legal-card,
.doc-card {
  background: var(--surface);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero {
  border-radius: 36px;
  padding: 28px;
}

.hero-top,
.doc-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.eyebrow,
.doc-tag {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
}

h1,
h2 {
  margin: 0;
}

h1 {
  margin-top: 10px;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 0.98;
}

.hero-copy,
.hero-lead,
.doc-card p,
.doc-meta p,
.legal-card p,
.site-footer p,
.back-link {
  color: var(--ink-muted);
  line-height: 1.75;
}

.hero-copy {
  max-width: 42rem;
  font-size: 17px;
}

.hero-card {
  margin-top: 28px;
  padding: 20px 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, rgba(141, 95, 47, 0.12), rgba(255, 255, 255, 0.66));
}

.hero-lead {
  margin: 0;
  font-size: 16px;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.doc-card {
  display: block;
  border-radius: var(--radius-xl);
  padding: 26px;
  transition: transform 180ms ease, border-color 180ms ease;
}

.doc-card:hover {
  transform: translateY(-3px);
  border-color: rgba(141, 95, 47, 0.28);
}

.doc-card h2 {
  margin-top: 14px;
  font-size: 28px;
}

.site-footer {
  margin-top: 18px;
  padding: 0 6px;
}

.site-footer p {
  margin: 6px 0;
  font-size: 14px;
}

.language-switcher {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 250, 242, 0.85);
  border: 1px solid var(--line);
}

.lang-button {
  border: 0;
  background: transparent;
  color: var(--ink-muted);
  font: inherit;
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
}

.lang-button.is-active {
  color: #fff;
  background: var(--accent-strong);
}

.doc-layout {
  display: grid;
  grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
  gap: 22px;
  margin-top: 20px;
}

.doc-meta {
  position: sticky;
  top: 18px;
  align-self: start;
  padding: 22px;
  border-radius: var(--radius-xl);
  background: rgba(255, 250, 242, 0.74);
  border: 1px solid var(--line);
}

.legal-card {
  border-radius: var(--radius-xl);
  padding: 28px;
}

.legal-card section + section {
  margin-top: 24px;
}

.legal-card h2 {
  margin-bottom: 10px;
  font-size: 22px;
}

.back-link {
  font-size: 14px;
}

[data-lang-content] {
  display: none;
}

[data-lang-content].is-visible {
  display: block;
}

@media (max-width: 820px) {
  .page-shell {
    width: min(calc(100% - 24px), var(--max-width));
    padding-top: 18px;
  }

  .hero,
  .legal-card,
  .doc-card,
  .doc-meta {
    padding: 20px;
  }

  .hero-top,
  .doc-header,
  .content-grid,
  .doc-layout {
    grid-template-columns: 1fr;
    display: grid;
  }

  .hero-top,
  .doc-header {
    gap: 14px;
  }

  .language-switcher {
    justify-self: start;
  }

  .doc-meta {
    position: static;
  }
}