:root {
  color-scheme: light dark;
  --text: #1c1c1e;
  --secondary: #636366;
  --border: #e5e5ea;
  --bg: #ffffff;
  --accent: #8b4513;
  --card: color-mix(in srgb, var(--bg) 92%, var(--accent));
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #f2f2f7;
    --secondary: #aeaeb2;
    --border: #38383a;
    --bg: #1c1c1e;
    --accent: #d2a679;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.site-nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
}

nav a {
  color: var(--accent);
  text-decoration: none;
}

nav a:hover { text-decoration: underline; }

nav span { color: var(--secondary); margin: 0 8px; }

.lang-select {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 0.85rem;
  padding: 6px 28px 6px 10px;
  cursor: pointer;
  flex-shrink: 0;
  max-width: 140px;
  background-image: linear-gradient(45deg, transparent 50%, var(--secondary) 50%), linear-gradient(135deg, var(--secondary) 50%, transparent 50%);
  background-position: calc(100% - 14px) calc(50% - 2px), calc(100% - 9px) calc(50% - 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.lang-select:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent);
  outline-offset: 2px;
}

h1 {
  font-size: 1.75rem;
  margin: 0 0 8px;
}

h2 {
  font-size: 1.15rem;
  margin: 28px 0 12px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

h2:first-of-type { border-top: none; padding-top: 0; }

.meta {
  color: var(--secondary);
  font-size: 0.95rem;
  margin-bottom: 32px;
}

p, li { margin: 0 0 12px; }

ul { padding-left: 1.25rem; }

.card ul {
  margin: 12px 0 0;
}

.card li {
  margin-bottom: 10px;
}

.card h2 {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

a { color: var(--accent); }

.hero {
  text-align: center;
  margin-bottom: 32px;
}

.app-icon {
  display: inline-block;
  width: 72px;
  height: 72px;
  border-radius: 16px;
  margin-bottom: 12px;
  object-fit: cover;
}

.hero-compact {
  text-align: center;
  margin-bottom: 24px;
}

.hero-compact h1 {
  font-size: 1.5rem;
}

.hero-compact .meta {
  margin-bottom: 0;
}

.card, .contact {
  margin-top: 16px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
}

.card h2 {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
  font-size: 1.05rem;
}

.faq dt {
  font-weight: 600;
  margin-top: 16px;
}

.faq dd {
  margin: 6px 0 0;
  color: var(--secondary);
}

footer {
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--secondary);
  font-size: 0.9rem;
}