:root {
    --bg: #0a0f1a;
    --bg-card: #111827;
    --cyan: #22b8cf;
    --cyan-glow: rgba(34, 184, 207, 0.15);
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --text-heading: #f1f5f9;
    --border: #1e293b;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
}

nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 15, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
}

nav .container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-heading);
    font-weight: 700;
    font-size: 1.2rem;
}

.nav-brand img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.back-link {
    color: var(--cyan);
    text-decoration: none;
    font-size: 0.95rem;
}

.back-link:hover { text-decoration: underline; }

main {
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 24px;
}

main h1 {
    font-size: clamp(2rem, 5vw, 2.8rem);
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

main .last-updated {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 40px;
}

main h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-heading);
    margin: 40px 0 12px;
}

main h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-heading);
    margin: 24px 0 8px;
}

main p, main li {
    color: var(--text);
    margin-bottom: 12px;
}

main ul {
    padding-left: 24px;
    margin-bottom: 16px;
}

main a {
    color: var(--cyan);
    text-decoration: underline;
}

footer {
    border-top: 1px solid var(--border);
    padding: 32px 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}