/* Riffly Legal Docs — shared styles */
:root {
  --bg: #0f0f0f;
  --surface: #1a1a1a;
  --border: #2e2e2e;
  --text: #e0e0e0;
  --text-muted: #888;
  --accent: #e50914;
  --accent-hover: #f40612;
  --radius: 8px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ── */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.02em;
}

nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  flex-wrap: wrap;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s;
}

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

/* ── Language toggle ── */
.lang-toggle {
  display: flex;
  gap: 0.35rem;
  margin-left: 0.5rem;
}

.lang-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 4px;
  padding: 0.2rem 0.55rem;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
}

.lang-btn:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

.lang-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ── Main content ── */
main {
  flex: 1;
  max-width: 820px;
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  letter-spacing: -0.03em;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2.5rem;
}

h2 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.6rem;
  color: var(--text);
}

p {
  margin-bottom: 1rem;
  color: #c0c0c0;
}

ul, ol {
  padding-left: 1.4rem;
  margin-bottom: 1rem;
  color: #c0c0c0;
}

li {
  margin-bottom: 0.4rem;
}

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

a:hover {
  text-decoration: underline;
}

/* ── Cards (index page) ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-decoration: none;
  transition: border-color 0.15s, transform 0.1s;
  display: block;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  text-decoration: none;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

/* ── Language sections ── */
.lang-section {
  display: none;
}

.lang-section.visible {
  display: block;
}

/* ── Footer ── */
footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

footer a {
  color: var(--text-muted);
}

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

/* ── Responsive ── */
@media (max-width: 600px) {
  header {
    padding: 0.85rem 1rem;
  }

  main {
    padding: 1.75rem 1rem;
  }

  h1 {
    font-size: 1.6rem;
  }

  nav {
    gap: 0.9rem;
  }
}