:root {
    --bg: #0a0b0f;
    --bg-2: #12141c;
    --surface: rgba(255,255,255,0.05);
    --border: rgba(255,255,255,0.08);
    --text: #f0f0f3;
    --text-secondary: rgba(255,255,255,0.72);
    --text-dim: rgba(255,255,255,0.52);
    --primary: #22c55e;
}
[data-theme="light"] {
    --bg: #f8fafc;
    --bg-2: #f1f5f9;
    --surface: rgba(0,0,0,0.03);
    --border: rgba(0,0,0,0.08);
    --text: #0f172a;
    --text-secondary: rgba(15,23,42,0.75);
    --text-dim: rgba(15,23,42,0.55);
    --primary: #16a34a;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', -apple-system, sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; min-height: 100vh; }
.container { max-width: 800px; margin: 0 auto; padding: 40px 24px; }
header { margin-bottom: 40px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.logo { font-size: 1.5rem; font-weight: 700; color: var(--primary); text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
.logo:hover { opacity: 0.9; }
h1 { font-size: 2rem; font-weight: 700; margin-bottom: 16px; }
h2 { font-size: 1.25rem; font-weight: 600; margin: 32px 0 16px; color: var(--text); }
p { margin-bottom: 16px; color: var(--text-secondary); }
ul { margin-bottom: 16px; padding-left: 24px; color: var(--text-secondary); }
li { margin-bottom: 8px; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.updated { color: var(--text-dim); font-size: 0.9rem; }
.hero { text-align: center; padding: 40px 0; margin-bottom: 32px; }
.hero-emoji { font-size: 4rem; margin-bottom: 16px; }
.hero h1 { font-size: 2.5rem; margin-bottom: 12px; }
.hero p { font-size: 1.1rem; max-width: 600px; margin: 0 auto; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 32px 0; }
@media (max-width: 700px) { .features { grid-template-columns: 1fr; } }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 24px; text-align: center; }
.feature-icon { font-size: 2rem; margin-bottom: 12px; }
.feature h3 { font-weight: 600; margin-bottom: 8px; }
.feature p { font-size: 0.9rem; margin: 0; }
.cta { text-align: center; padding: 40px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; margin: 40px 0; }
.cta h2 { margin-top: 0; }
.cta-btn { display: inline-block; padding: 14px 32px; background: var(--primary); color: #fff; border-radius: 10px; font-weight: 600; text-decoration: none; margin-top: 16px; transition: opacity 0.2s; }
.cta-btn:hover { opacity: 0.9; text-decoration: none; }
footer { margin-top: 60px; padding-top: 24px; border-top: 1px solid var(--border); text-align: center; }
.footer-links { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; margin-bottom: 16px; }
.footer-links a { color: var(--text-dim); font-size: 0.9rem; }
.copyright { color: var(--text-dim); font-size: 0.85rem; }