/* FFmpegDocker Pro — Style */
:root {
    --bg: #0a0a0f;
    --bg2: #12121a;
    --bg3: #1a1a28;
    --text: #e0e0e8;
    --text-dim: #8888a0;
    --accent: #6366f1;
    --accent2: #818cf8;
    --green: #22c55e;
    --border: #2a2a3a;
    --radius: 12px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
a { color: var(--accent2); text-decoration: none; }
a:hover { color: #a5b4fc; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.btn { display: inline-block; padding: 12px 28px; border-radius: 8px; font-weight: 600; font-size: 16px; cursor: pointer; transition: all .2s; border: none; }
.btn-primary, .btn:not(.btn-outline) { background: var(--accent); color: #fff; }
.btn-primary:hover, .btn:not(.btn-outline):hover { background: var(--accent2); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--accent2); border: 1px solid var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; }
.btn-lg { padding: 16px 36px; font-size: 18px; }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn-block { display: block; text-align: center; }
.section-title { font-size: 2rem; text-align: center; margin-bottom: 12px; font-weight: 700; }
.section-sub { text-align: center; color: var(--text-dim); margin-bottom: 40px; }

/* Nav */
.nav { position: fixed; top: 0; width: 100%; z-index: 100; background: rgba(10,10,15,.9); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo { font-size: 1.2rem; font-weight: 700; color: #fff; }
.logo span { color: var(--accent2); }
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a { color: var(--text-dim); font-size: 14px; transition: color .2s; }
.nav-links a:hover { color: #fff; }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 24px; cursor: pointer; }

/* Hero */
.hero { padding: 140px 0 80px; text-align: center; }
.hero h1 { font-size: 3.2rem; font-weight: 800; line-height: 1.2; margin-bottom: 20px; background: linear-gradient(135deg, #fff 0%, var(--accent2) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-sub { font-size: 1.2rem; color: var(--text-dim); max-width: 600px; margin: 0 auto 32px; }
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.hero-badges { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; }
.hero-badges span { color: var(--text-dim); font-size: 14px; }

/* Features */
.features { padding: 80px 0; background: var(--bg2); }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 40px; }
.feature-card { background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.feature-icon { font-size: 2.5rem; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.3rem; margin-bottom: 12px; }
.feature-card p { color: var(--text-dim); margin-bottom: 20px; }
.feature-flow { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; font-size: 13px; }
.flow-step { background: var(--bg); padding: 4px 10px; border-radius: 6px; border: 1px solid var(--border); }
.flow-result { border-color: var(--accent); color: var(--accent2); }
.flow-arrow { color: var(--text-dim); }
.sub-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.sub-feature { background: var(--bg3); padding: 16px; border-radius: 8px; font-size: 14px; color: var(--text-dim); }

/* Pricing */
.pricing { padding: 80px 0; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 900px; margin: 0 auto; }
.pricing-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; position: relative; }
.pricing-popular { border-color: var(--accent); }
.popular-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; padding: 4px 16px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.pricing-card h3 { font-size: 1.2rem; margin-bottom: 16px; }
.price { margin-bottom: 8px; }
.price-amount { font-size: 2.5rem; font-weight: 800; }
.price-unit { font-size: 1rem; color: var(--text-dim); }
.price-note { color: var(--text-dim); font-size: 14px; margin-bottom: 20px; }
.pricing-features { list-style: none; margin-bottom: 24px; }
.pricing-features li { padding: 6px 0; font-size: 14px; color: var(--text-dim); }

/* Steps */
.steps { padding: 80px 0; background: var(--bg2); }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { text-align: center; }
.step-num { width: 48px; height: 48px; border-radius: 50%; background: var(--accent); color: #fff; font-size: 1.2rem; font-weight: 700; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.step h3 { margin-bottom: 8px; }
.step p { color: var(--text-dim); font-size: 14px; }

/* FAQ */
.faq { padding: 80px 0; }
.faq-list { max-width: 700px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary { padding: 16px 0; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; }
.faq-item summary::after { content: '+'; color: var(--accent2); font-size: 1.2rem; }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding: 0 0 16px; color: var(--text-dim); }

/* CTA */
.cta { padding: 80px 0; text-align: center; background: var(--bg2); }
.cta h2 { margin-bottom: 12px; }
.cta p { color: var(--text-dim); margin-bottom: 24px; }

/* Footer */
.footer { padding: 48px 0 24px; border-top: 1px solid var(--border); }
.footer-inner { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; }
.footer-brand .logo { margin-bottom: 8px; display: block; }
.footer-brand p { color: var(--text-dim); font-size: 14px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-col h4 { margin-bottom: 12px; font-size: 14px; }
.footer-col a { display: block; color: var(--text-dim); font-size: 14px; padding: 4px 0; }
.footer-bottom { grid-column: 1 / -1; text-align: center; padding-top: 24px; border-top: 1px solid var(--border); color: var(--text-dim); font-size: 13px; }

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .feature-grid, .pricing-grid, .steps-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: repeat(3, 1fr); }
    .nav-links { display: none; }
    .nav-toggle { display: block; }
    .open .nav-links { display: flex; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: var(--bg); padding: 16px; border-bottom: 1px solid var(--border); gap: 12px; }
}