:root {
    --bg: #0a0a0f;
    --bg-card: #13131a;
    --border: #232330;
    --text: #e8e8f0;
    --text-dim: #8a8a9a;
    --accent: #7c5cff;
    --accent-2: #ff5ca8;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;
    line-height: 1.5;
    overflow-x: hidden;
}

.glow {
    position: fixed;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 600px;
    background: radial-gradient(circle, rgba(124, 92, 255, 0.25), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 48px;
    position: relative;
    z-index: 1;
}

.nav-brand {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.nav a {
    color: var(--text-dim);
    text-decoration: none;
    margin-left: 32px;
    font-size: 14px;
    transition: color 0.2s;
}

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

.hero {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 80px auto 100px;
    padding: 0 24px;
    text-align: center;
}

.badge {
    display: inline-block;
    font-size: 12px;
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 52px;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 20px;
}

.subtitle {
    color: var(--text-dim);
    font-size: 18px;
    max-width: 520px;
    margin: 0 auto 36px;
}

.cta-row {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.btn-primary, .btn-ghost {
    font-size: 15px;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: transform 0.15s, opacity 0.15s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-primary:hover, .btn-ghost:hover { transform: translateY(-1px); opacity: 0.9; }

.features {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto 100px;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 28px;
}

.card h3 { margin-bottom: 10px; font-size: 17px; }
.card p { color: var(--text-dim); font-size: 14px; }

.prompts {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto 100px;
    padding: 0 24px;
}

.prompts h2 { font-size: 24px; margin-bottom: 20px; }

.prompt-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.prompt-grid .card h4 { font-size: 15px; margin-bottom: 8px; }
.prompt-grid .card p { font-size: 13px; }

.loading { color: var(--text-dim); font-size: 14px; }

footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 32px;
    color: var(--text-dim);
    font-size: 13px;
    border-top: 1px solid var(--border);
}

@media (max-width: 720px) {
    .hero h1 { font-size: 36px; }
    .features { grid-template-columns: 1fr; }
    .nav { padding: 20px; }
    .nav a { margin-left: 16px; }
}