/* Momentum — shared dark styling for content, legal, and blog pages.
   Always dark, matching the main site brand (Inter + purple accent). */
:root {
    --bg: #0a0a0b;
    --bg-secondary: #111113;
    --bg-card: #18181b;
    --border: #27272a;
    --text: #fafafa;
    --muted: #a1a1aa;
    --muted2: #71717a;
    --primary: #8b5cf6;
    --primary-hover: #a78bfa;
    --gradient: linear-gradient(135deg, #8b5cf6 0%, #ec4899 50%, #f59e0b 100%);
    --maxw: 760px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* ---- Top nav ---- */
.page-nav {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 22px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.page-nav .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text);
    text-decoration: none;
}

.page-nav .brand img { width: 28px; height: 28px; display: block; }

.lang-switch {
    display: flex;
    gap: 2px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 3px;
}

.lang-switch a {
    padding: 4px 11px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--muted);
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
}

.lang-switch a.active { background: var(--primary); color: #fff; }
.lang-switch a:not(.active):hover { color: var(--text); }

/* ---- Layout ---- */
main {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 8px 20px 80px;
}

.back {
    display: inline-block;
    margin: 8px 0 26px;
    color: var(--primary);
    font-size: 0.9rem;
    text-decoration: none;
}
.back:hover { text-decoration: underline; }

header.doc {
    border-bottom: 1px solid var(--border);
    padding-bottom: 24px;
    margin-bottom: 32px;
}

h1 {
    font-size: 2rem;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0 0 10px;
    font-weight: 800;
}

.lede {
    color: var(--muted);
    font-size: 1.1rem;
    margin: 0;
}

.effective, .meta {
    color: var(--muted2);
    font-size: 0.85rem;
    margin: 0;
}

h2 {
    font-size: 1.35rem;
    letter-spacing: -0.01em;
    margin: 40px 0 12px;
    font-weight: 700;
}

h3 {
    font-size: 1.05rem;
    margin: 26px 0 8px;
    font-weight: 600;
}

p, li { font-size: 1rem; color: var(--text); }
.muted { color: var(--muted); }

ul, ol { padding-left: 22px; }
li { margin: 6px 0; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

strong { color: var(--text); font-weight: 600; }

hr { border: none; border-top: 1px solid var(--border); margin: 36px 0; }

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.note {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 18px;
    margin: 24px 0;
    font-size: 0.95rem;
    color: var(--muted);
}
.note a { color: var(--primary-hover); }

/* third-party services table (privacy) */
.grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 10px 18px;
    margin: 12px 0 18px;
    font-size: 0.95rem;
}
.grid > div:nth-child(odd) { color: var(--muted); font-weight: 600; }

/* ---- Blog list ---- */
.post-list { margin: 28px 0 0; }

.post-card {
    display: block;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--bg-card);
    margin-bottom: 14px;
    text-decoration: none;
    transition: border-color 0.2s ease, transform 0.2s ease;
}
.post-card:hover {
    border-color: var(--primary);
    text-decoration: none;
    transform: translateY(-2px);
}
.post-card h2 { margin: 6px 0 8px; font-size: 1.2rem; color: var(--text); }
.post-card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* article body niceties */
.article p { margin: 16px 0; }
.article blockquote {
    margin: 24px 0;
    padding: 4px 18px;
    border-left: 3px solid var(--primary);
    color: var(--muted);
    font-style: italic;
}

/* ---- Footer ---- */
footer {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 24px 20px 56px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.9rem;
}
footer a { color: var(--muted); }
footer a:hover { color: var(--text); }

@media (max-width: 600px) {
    h1 { font-size: 1.6rem; }
    h2 { font-size: 1.2rem; }
}