:root {
  --bg: #ffffff;
  --surface: #f6f7f9;
  --text: #1a1d21;
  --muted: #5b636e;
  --border: #e3e6ea;
  --accent: #1f5fbf;
  --accent-text: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111316;
    --surface: #1a1d21;
    --text: #e9ecef;
    --muted: #a0a8b3;
    --border: #2c3138;
    --accent: #5b9bf0;
    --accent-text: #0b1220;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

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

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header { border-bottom: 1px solid var(--border); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.wordmark {
  color: var(--text);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  letter-spacing: 0.01em;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 24px;
}

nav a:hover { color: var(--text); }

.hero { padding: 88px 0 64px; }

h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 600px;
  margin: 0;
}

h2 { font-size: 1.5rem; margin: 0 0 24px; }

.apps { padding: 48px 0; background: var(--surface); }

.app {
  display: flex;
  gap: 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  margin-bottom: 24px;
}

.app-icon {
  flex-shrink: 0;
  width: 96px;
  height: 96px;
  border-radius: 22px;
  border: 1px solid var(--border);
}

.app h3 { margin: 0; font-size: 1.3rem; }

.app-meta { margin: 2px 0 12px; color: var(--muted); font-size: 0.9rem; }

.app p { margin-top: 0; }

.app ul { padding-left: 20px; margin: 0 0 20px; }

.app li { margin-bottom: 4px; }

.button {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-text);
  padding: 10px 18px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
}

.badge {
  display: inline-block;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
}

.contact { padding: 56px 0; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p { margin: 4px 0; }

.fine { font-size: 0.8rem; }

@media (max-width: 600px) {
  .hero { padding: 56px 0 40px; }
  .app { flex-direction: column; padding: 20px; }
  .app-icon { width: 72px; height: 72px; border-radius: 16px; }
  nav a { margin-left: 16px; }
}

.doc { padding: 48px 0 64px; }

.doc h1 { font-size: clamp(1.75rem, 4vw, 2.25rem); }

.doc h2 { font-size: 1.3rem; margin: 40px 0 12px; }

.doc h3 { font-size: 1.05rem; margin: 24px 0 8px; }

.doc code {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0 4px;
  font-size: 0.9em;
}

.app-landing {
  display: flex;
  gap: 24px;
  align-items: center;
  margin-bottom: 24px;
}

.app-links { margin: 16px 0 0; font-size: 0.95rem; }

.app-links a { margin-right: 16px; }