*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Barlow',sans-serif;background:#faf9fc;color:#3f3f46;line-height:1.7;-webkit-font-smoothing:antialiased}

/* Layout */
.container{max-width:820px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid #ede9f6;padding:20px 0;background:#fff}
header .container{display:flex;align-items:center;justify-content:space-between}
.logo{font-family:'Bebas Neue',sans-serif;font-size:22px;letter-spacing:.06em;color:#18181b;text-decoration:none}
.logo span{color:#7c3aed}
nav{display:flex;gap:24px;align-items:center}
nav a{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:#71717a;text-decoration:none;transition:color .15s}
nav a:hover{color:#7c3aed}
main{padding:60px 0 80px}
footer{border-top:1px solid #ede9f6;padding:24px 0;text-align:center;font-size:12px;color:#a1a1aa;background:#fff}

/* Typography */
h1{font-family:'Bebas Neue',sans-serif;font-size:48px;letter-spacing:.04em;color:#18181b;line-height:1.1;margin-bottom:16px}
h2{font-family:'Bebas Neue',sans-serif;font-size:28px;letter-spacing:.03em;color:#18181b;margin:48px 0 16px;padding-top:24px;border-top:1px solid #ede9f6}
h3{font-size:18px;font-weight:600;color:#27272a;margin:32px 0 12px}
p{margin-bottom:16px;color:#52525b}
.lead{font-size:18px;color:#71717a;margin-bottom:40px;line-height:1.6}

/* Links */
a{color:#7c3aed;text-decoration:none}
a:hover{text-decoration:underline}

/* Code */
code{font-family:'JetBrains Mono',monospace;font-size:13px;background:#f5f3ff;padding:2px 6px;border-radius:3px;color:#18181b;border:1px solid #ede9f6}
pre{background:#fff;border:1px solid #ede9f6;border-radius:8px;padding:20px;overflow-x:auto;margin:16px 0 24px}
pre code{background:none;padding:0;border:none;font-size:13px;line-height:1.6;color:#52525b}

/* Tables */
table{width:100%;border-collapse:collapse;margin:16px 0 24px;font-size:14px}
th{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:1px;text-transform:uppercase;text-align:left;padding:10px 12px;color:#a1a1aa;border-bottom:2px solid #ede9f6}
td{padding:10px 12px;border-bottom:1px solid #f5f3ff;color:#52525b}
tr:hover td{background:#faf9fc}

/* Lists */
ul,ol{margin:8px 0 16px 24px;color:#52525b}
li{margin-bottom:6px}

/* Cards */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:24px 0}
.card{background:#fff;border:1px solid #ede9f6;border-radius:8px;padding:24px;transition:border-color .15s,box-shadow .15s}
.card:hover{border-color:#7c3aed;box-shadow:0 2px 16px rgba(124,58,237,.08)}
.card h3{margin:0 0 8px;font-size:16px;color:#18181b}
.card p{font-size:13px;margin:0;color:#71717a}
.card .tag{font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:1px;text-transform:uppercase;color:#7c3aed;margin-bottom:8px;display:inline-block}

/* Badge */
.badge{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:1px;text-transform:uppercase;padding:3px 8px;border-radius:3px;border:1px solid}
.badge-cyan{color:#7c3aed;border-color:rgba(124,58,237,.25);background:rgba(124,58,237,.06)}
.badge-green{color:#059669;border-color:rgba(5,150,105,.25);background:rgba(5,150,105,.06)}
.badge-amber{color:#d97706;border-color:rgba(217,119,6,.25);background:rgba(217,119,6,.06)}

/* Flow diagram */
.flow{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:24px 0;font-family:'JetBrains Mono',monospace;font-size:12px}
.flow-step{background:#fff;border:1px solid #ede9f6;border-radius:6px;padding:8px 16px;color:#52525b}
.flow-arrow{color:#d4d4d8;font-size:16px}
.flow-step.active{border-color:#7c3aed;color:#7c3aed;background:rgba(124,58,237,.04)}

/* Section nav */
.section-nav{display:flex;gap:12px;flex-wrap:wrap;margin:32px 0}
.section-nav a{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:1px;text-transform:uppercase;padding:6px 14px;border:1px solid #ede9f6;border-radius:4px;color:#71717a;transition:all .15s}
.section-nav a:hover{border-color:#7c3aed;color:#7c3aed;text-decoration:none;background:rgba(124,58,237,.04)}

@media(max-width:600px){
  h1{font-size:36px}
  .card-grid{grid-template-columns:1fr}
  .flow{flex-direction:column;align-items:stretch}
  .flow-arrow{transform:rotate(90deg);text-align:center}
}