* { margin: 0; padding: 0; box-sizing: border-box; }
:root { --bg: #0a0a0a; --bg-card: #141414; --border: #262626; --text: #e5e5e5; --text-dim: #737373; --accent: #f97316; --success: #22c55e; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Inter', system-ui, sans-serif; background: var(--bg); color: var(--text); }
.header { display: flex; justify-content: space-between; align-items: center; padding: 16px 32px; border-bottom: 1px solid var(--border); }
.logo { font-size: 20px; font-weight: 700; color: var(--accent); }
.tagline { font-size: 12px; color: var(--text-dim); }
.btn-login, .btn-register { padding: 8px 16px; border: 1px solid var(--border); background: transparent; color: var(--text); font-size: 13px; border-radius: 6px; cursor: pointer; margin-left: 8px; }
.btn-register { background: var(--accent); border-color: var(--accent); color: #fff; }
.hero { text-align: center; padding: 80px 32px; }
.hero h1 { font-size: 48px; font-weight: 700; margin-bottom: 16px; }
.hero p { font-size: 18px; color: var(--text-dim); margin-bottom: 32px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; }
.btn-primary { padding: 12px 24px; background: var(--accent); border: none; border-radius: 8px; color: #fff; font-size: 15px; cursor: pointer; }
.btn-secondary { padding: 12px 24px; background: transparent; border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 15px; cursor: pointer; }
.hero-stats { display: flex; gap: 48px; justify-content: center; margin-top: 48px; }
.stat { text-align: center; }
.stat-value { display: block; font-size: 24px; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 12px; color: var(--text-dim); }
.section-title { font-size: 32px; font-weight: 700; text-align: center; margin-bottom: 16px; }
.section-subtitle { text-align: center; color: var(--text-dim); margin-bottom: 48px; }
.features { padding: 64px 32px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; max-width: 960px; margin: 0 auto; }
.feature-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; text-align: center; }
.feature-icon { width: 48px; height: 48px; background: var(--accent); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-weight: 700; margin: 0 auto 16px; }
.pricing { padding: 80px 32px; background: var(--bg-card); }
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; max-width: 1100px; margin: 0 auto; }
.price-card { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 32px 24px; text-align: center; position: relative; }
.price-card.popular { border-color: var(--accent); transform: scale(1.05); }
.price-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; padding: 4px 16px; border-radius: 12px; font-size: 12px; font-weight: 600; }
.price-name { font-size: 18px; font-weight: 600; margin-bottom: 16px; }
.price-value { font-size: 48px; font-weight: 700; }
.price-period { font-size: 14px; color: var(--text-dim); margin-bottom: 24px; }
.price-features { list-style: none; text-align: left; margin-bottom: 24px; }
.price-features li { padding: 8px 0; font-size: 14px; border-bottom: 1px solid var(--border); }
.price-features li:before { content: "✓ "; color: var(--success); }
.how-it-works { padding: 80px 32px; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; max-width: 960px; margin: 0 auto; }
.step { text-align: center; }
.step-number { width: 48px; height: 48px; background: var(--accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 700; margin: 0 auto 16px; }
.model-options { padding: 80px 32px; background: var(--bg-card); }
.model-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; max-width: 800px; margin: 0 auto; }
.model-card { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 32px; position: relative; }
.model-card.popular { border-color: var(--accent); }
.model-badge { position: absolute; top: -12px; right: 24px; background: var(--accent); color: #fff; padding: 4px 16px; border-radius: 12px; font-size: 12px; }
.model-card h3 { font-size: 20px; margin-bottom: 8px; }
.model-card p { color: var(--text-dim); margin-bottom: 16px; }
.model-card ul { list-style: none; margin-bottom: 16px; }
.model-card li { padding: 6px 0; font-size: 14px; }
.model-card li:before { content: "✓ "; color: var(--success); }
.model-price { font-size: 18px; font-weight: 600; color: var(--accent); }
.credits-section { padding: 80px 32px; }
.credits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 800px; margin: 0 auto; }
.credit-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 16px; display: flex; justify-content: space-between; align-items: center; }
.credit-name { font-size: 14px; }
.credit-cost { font-size: 14px; color: var(--accent); font-weight: 600; }
.footer { padding: 32px; border-top: 1px solid var(--border); text-align: center; }
.footer-links { display: flex; gap: 24px; justify-content: center; margin-bottom: 16px; }
.footer-links a { color: var(--text-dim); text-decoration: none; font-size: 14px; }
.footer-copy { font-size: 12px; color: var(--text-dim); }
.trial-info { background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 12px; margin-top: 16px; }
.trial-info p { font-size: 12px; color: var(--text-dim); margin: 4px 0; }
.modal { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.7); z-index: 1000; align-items: center; justify-content: center; }
.modal.active { display: flex; }
.modal-content { width: 480px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-body { padding: 20px; }
.modal-footer { padding: 16px 20px; border-top: 1px solid var(--border); text-align: right; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 6px; }
.form-group input, .form-group select { width: 100%; padding: 10px 12px; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; color: var(--text); font-size: 14px; }
.close-btn { background: none; border: none; color: var(--text-dim); font-size: 20px; cursor: pointer; }
@media (max-width: 768px) { .feature-grid, .pricing-grid, .steps-grid, .model-grid, .credits-grid { grid-template-columns: 1fr; } .price-card.popular { transform: none; } .hero h1 { font-size: 32px; } .hero-stats { flex-wrap: wrap; gap: 24px; } }