:root {
    --bg: #0a0a0f;
    --surface: #13131a;
    --border: #1e1e2e;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --accent: #22c55e;
    --accent2: #3b82f6;
    --gradient: linear-gradient(135deg, #0f172a, #1e293b);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
nav { background: var(--surface); border-bottom: 1px solid var(--border); padding: 16px 24px; display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 100; }
nav .logo { font-weight: 700; font-size: 1.3em; color: var(--accent); text-decoration: none; }
nav .nav-links { display: flex; gap: 24px; }
nav .nav-links a { color: var(--muted); text-decoration: none; font-size: 0.95em; transition: color 0.2s; }
nav .nav-links a:hover { color: var(--text); }
.hero { background: var(--gradient); padding: 100px 24px; text-align: center; }
.hero h1 { font-size: 3em; margin-bottom: 16px; background: linear-gradient(135deg, var(--accent), var(--accent2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { font-size: 1.3em; color: var(--muted); max-width: 600px; margin: 0 auto 32px; }
.cta-button { display: inline-block; background: var(--accent); color: #000; padding: 16px 40px; border-radius: 8px; text-decoration: none; font-size: 1.2em; font-weight: 600; transition: transform 0.2s, box-shadow 0.2s; }
.cta-button:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(34,197,94,0.3); }
.cta-outline { display: inline-block; border: 2px solid var(--accent); color: var(--accent); padding: 14px 38px; border-radius: 8px; text-decoration: none; font-size: 1.1em; font-weight: 600; margin-left: 16px; transition: background 0.2s; }
.cta-outline:hover { background: rgba(34,197,94,0.1); }
.section { padding: 80px 24px; max-width: 1100px; margin: 0 auto; }
.section h2 { font-size: 2.2em; margin-bottom: 32px; text-align: center; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.card { background: var(--surface); border: 1px solid var(--border); padding: 32px; border-radius: 12px; transition: border-color 0.2s; }
.card:hover { border-color: var(--accent); }
.card h3 { margin-bottom: 12px; color: var(--accent); }
.card p { color: var(--muted); }
.pricing-card { text-align: center; padding: 40px 32px; position: relative; }
.pricing-card.featured { border: 2px solid var(--accent); transform: scale(1.05); }
.pricing-card .price { font-size: 3em; font-weight: 700; margin: 16px 0; }
.pricing-card .price span { font-size: 0.4em; color: var(--muted); }
.pricing-card ul { list-style: none; margin: 24px 0; }
.pricing-card ul li { padding: 8px 0; color: var(--muted); }
.pricing-card ul li::before { content: '✓ '; color: var(--accent); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 6px; color: var(--muted); font-size: 0.9em; }
.form-group input, .form-group select { width: 100%; padding: 14px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 1em; }
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--accent); }
.submit-btn { background: var(--accent); color: #000; padding: 16px; border: none; border-radius: 8px; font-size: 1.1em; font-weight: 600; cursor: pointer; width: 100%; transition: transform 0.2s; }
.submit-btn:hover { transform: translateY(-2px); }
footer { background: var(--surface); border-top: 1px solid var(--border); padding: 40px 24px; text-align: center; color: var(--muted); }
footer a { color: var(--accent); text-decoration: none; }
.whatsapp-float { position: fixed; bottom: 24px; right: 24px; background: #25D366; color: white; width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 28px; box-shadow: 0 4px 16px rgba(37,211,102,0.4); z-index: 1000; text-decoration: none; transition: transform 0.2s; }
.whatsapp-float:hover { transform: scale(1.1); }
@media (max-width: 768px) {
    .hero h1 { font-size: 2em; }
    nav .nav-links { display: none; }
    .pricing-card.featured { transform: none; }
}