:root { --bg: #ffffff; --bg2: #f9fafb; --fg: #111827; --fg2: #6b7280; --border: #e5e7eb; --accent: #2563eb; --accent2: #1d4ed8; --code-bg: #1e293b; --code-fg: #e2e8f0; --card-bg: #ffffff; --nav-bg: rgba(255,255,255,0.8); }
.dark { --bg: #0b0f1a; --bg2: #111827; --fg: #f1f5f9; --fg2: #94a3b8; --border: #1e293b; --accent: #3b82f6; --accent2: #60a5fa; --code-bg: #0f172a; --code-fg: #e2e8f0; --card-bg: #1e293b; --nav-bg: rgba(11,15,26,0.85); }
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--fg);line-height:1.6;transition:background .3s,color .3s}
a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent2)}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;background:var(--nav-bg);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:background .3s}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:56px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-size:18px;font-weight:700;color:var(--fg);display:flex;align-items:center;gap:8px}
.nav-logo-mark{width:28px;height:28px;display:block;flex:none}
.nav-logo span{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:24px;font-size:14px}
.nav-links a{color:var(--fg2);transition:color .2s}.nav-links a:hover{color:var(--fg)}
.nav-btn{padding:6px 16px;border-radius:6px;font-size:13px;font-weight:500;border:none;cursor:pointer;transition:all .2s}
.nav-btn-outline{background:transparent;border:1px solid var(--border);color:var(--fg)}.nav-btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.nav-btn-primary{background:var(--accent);color:#fff}.nav-links a.nav-btn-primary{color:#fff}.nav-btn-primary:hover{background:var(--accent2)}.nav-links a.nav-btn-primary:hover{color:#fff}
.nav-toggle{display:none;background:none;border:none;color:var(--fg);font-size:24px;cursor:pointer}
.lang-switch{font-size:13px;color:var(--fg2);cursor:pointer;background:none;border:1px solid var(--border);padding:4px 10px;border-radius:4px}
.theme-switch{background:none;border:none;font-size:18px;cursor:pointer;color:var(--fg2)}

/* Hero */
.hero{padding:140px 24px 80px;text-align:center;max-width:800px;margin:0 auto}
.hero h1{font-size:48px;font-weight:800;line-height:1.1;margin-bottom:16px;background:linear-gradient(135deg,var(--accent),#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:18px;color:var(--fg2);margin-bottom:32px;max-width:600px;margin-left:auto;margin-right:auto}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* Install */
.install-box{display:inline-flex;align-items:center;gap:12px;background:var(--code-bg);color:var(--code-fg);padding:12px 20px;border-radius:8px;font-family:'SF Mono',Monaco,monospace;font-size:15px;margin-top:24px;cursor:pointer;position:relative}
.install-box:hover{opacity:.9}
.install-box .copy-hint{position:absolute;right:-60px;font-size:12px;color:var(--fg2)}

/* Sections */
.section{padding:80px 24px;max-width:1200px;margin:0 auto}
.section-title{font-size:32px;font-weight:700;text-align:center;margin-bottom:12px}
.section-subtitle{font-size:16px;color:var(--fg2);text-align:center;margin-bottom:48px;max-width:600px;margin-left:auto;margin-right:auto}

/* Feature grid */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:28px;transition:border-color .2s,transform .2s}
.feature-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.feature-card h3{font-size:16px;font-weight:600;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.feature-card p{font-size:14px;color:var(--fg2);line-height:1.5}

/* Pricing */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:900px;margin:0 auto}
.pricing-card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:32px;text-align:center}
.pricing-card.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.pricing-card h3{font-size:18px;font-weight:600;margin-bottom:4px}
.pricing-card .price{font-size:36px;font-weight:800;margin:16px 0 8px}.pricing-card .price span{font-size:14px;font-weight:400;color:var(--fg2)}
.pricing-card ul{list-style:none;text-align:left;margin:20px 0;font-size:14px;color:var(--fg2)}
.pricing-card ul li{padding:6px 0;border-bottom:1px solid var(--border)}
.pricing-card ul li::before{content:'✓ ';color:var(--accent)}

/* FAQ */
.faq-list{max-width:700px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border);padding:16px 0}
.faq-q{font-size:15px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-a{font-size:14px;color:var(--fg2);padding-top:8px;display:none;line-height:1.6}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-arrow{transform:rotate(180deg)}
.faq-arrow{transition:transform .2s;font-size:12px;color:var(--fg2)}

/* Footer */
.footer{border-top:1px solid var(--border);padding:40px 24px;text-align:center;color:var(--fg2);font-size:13px}
.footer-links{display:flex;justify-content:center;gap:24px;margin-bottom:16px;flex-wrap:wrap}

/* Code block */
pre{background:var(--code-bg);color:var(--code-fg);padding:16px 20px;border-radius:8px;overflow-x:auto;font-size:13px;line-height:1.7;font-family:'SF Mono',Monaco,monospace;margin:12px 0}
code{font-family:'SF Mono',Monaco,monospace;font-size:13px}
p code{background:var(--code-bg);color:var(--code-fg);padding:2px 6px;border-radius:4px}

/* Docs */
.docs-layout{display:grid;grid-template-columns:240px 1fr;gap:40px;max-width:1200px;margin:80px auto 0;padding:24px}
.docs-sidebar{position:sticky;top:80px;height:fit-content;font-size:14px}
.docs-sidebar a{display:block;padding:6px 12px;color:var(--fg2);border-left:2px solid transparent;margin-bottom:2px}
.docs-sidebar a:hover,.docs-sidebar a.active{color:var(--accent);border-left-color:var(--accent);background:var(--bg2)}
.docs-content{min-width:0}
.docs-content h2{font-size:24px;font-weight:700;margin:40px 0 16px;padding-top:16px;border-top:1px solid var(--border)}
.docs-content h2:first-child{border-top:none;margin-top:0}
.docs-content h3{font-size:18px;font-weight:600;margin:24px 0 8px}
.docs-content table{width:100%;border-collapse:collapse;font-size:14px;margin:12px 0}
.docs-content th{text-align:left;padding:8px 12px;border-bottom:2px solid var(--border);font-weight:600}
.docs-content td{padding:8px 12px;border-bottom:1px solid var(--border)}

/* Changelog */
.changelog-entry{margin-bottom:48px;padding-bottom:32px;border-bottom:1px solid var(--border)}
.changelog-entry h3{font-size:20px;font-weight:700;margin-bottom:4px}
.changelog-entry .date{font-size:13px;color:var(--fg2);margin-bottom:16px}
.changelog-entry h4{font-size:15px;font-weight:600;margin:16px 0 8px;color:var(--accent)}
.changelog-entry ul{padding-left:20px;font-size:14px;color:var(--fg2);line-height:1.8}

/* Responsive */
@media(max-width:768px){
  .hero h1{font-size:32px}
  .feature-grid,.pricing-grid{grid-template-columns:1fr}
  .nav-links{display:none;position:absolute;top:56px;left:0;right:0;background:var(--nav-bg);backdrop-filter:blur(12px);flex-direction:column;padding:16px 24px;border-bottom:1px solid var(--border)}
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .docs-layout{grid-template-columns:1fr}
  .docs-sidebar{display:none}
}