:root {
  --bg: #e9fbfb;
  --text: #1d2b2b;
  --muted: #4f6464;
  --accent: #e4572e;
  --accent-text: #ffffff;
  --card: #ffffff;
  --border: #c9e6e6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #102020;
    --text: #e6f2f2;
    --muted: #a3b8b8;
    --accent: #ff7a50;
    --accent-text: #1a0d08;
    --card: #182c2c;
    --border: #2a4444;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

main {
  flex: 1;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: 48px 16px 32px;
  text-align: center;
}

main.doc { text-align: left; }

.icon {
  border-radius: 28px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
}

h1 { font-size: clamp(1.6rem, 7vw, 2rem); margin: 20px 0 4px; }
h1 { hyphens: auto; }
h1, h2 { overflow-wrap: break-word; }
main { overflow-wrap: break-word; }
h2 { font-size: 1.2rem; margin: 28px 0 8px; }
.tagline { color: var(--muted); margin-top: 0; }

.button {
  display: inline-block;
  margin: 16px 0 8px;
  padding: 12px 24px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
  text-decoration: none;
}

a { color: var(--accent); }
nav { margin-top: 24px; }

footer {
  padding: 16px;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

nav.langs { margin: 8px 0 0; font-size: 0.95rem; color: var(--muted); }
nav.langs strong { color: var(--text); }
.note { color: var(--muted); font-size: 0.9rem; margin-top: 32px; }