:root{--bg:#f7f8f6;--surface:#fff;--ink:#16211c;--muted:#56645d;--line:#dfe5e1;--brand:#1F2937;--accent:#0A7C66;--warn:#b5520f;--max:1040px}
@media (prefers-color-scheme:dark){:root{--bg:#0e1311;--surface:#151c19;--ink:#e8eeea;--muted:#9aa8a1;--line:#26302c;--brand:#d9f2ea;--accent:#4fd1a8;--warn:#f0a35e}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif}
a{color:inherit}.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--line);background:var(--surface)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;text-decoration:none;font-size:18px}.logo img{width:28px;height:28px}
nav a{margin-left:20px;text-decoration:none;color:var(--muted);font-size:15px}nav a:hover{color:var(--ink)}
.hero{padding:72px 0 48px}.eyebrow{color:var(--accent);font-weight:600;font-size:14px;letter-spacing:.04em;text-transform:uppercase;margin:0 0 12px}
h1{font-size:clamp(32px,5vw,48px);line-height:1.12;margin:0 0 20px;letter-spacing:-.02em;max-width:820px}
.lede{font-size:19px;color:var(--muted);max-width:700px;margin:0 0 28px}
.btn{display:inline-block;background:var(--brand);color:#fff;padding:12px 20px;border-radius:10px;text-decoration:none;font-weight:600}
@media (prefers-color-scheme:dark){.btn{color:#0e1311}}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line);margin-left:8px}
section{padding:40px 0}h2{font-size:26px;margin:0 0 18px;letter-spacing:-.01em}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px}
.card h3{margin:0 0 6px;font-size:17px}.card p{margin:0;color:var(--muted);font-size:15px}
.tag{display:inline-block;font-size:12px;font-weight:700;border-radius:6px;padding:2px 8px;margin-bottom:10px;background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--brand)}
@media (prefers-color-scheme:dark){.tag{color:var(--accent)}}
.steps{counter-reset:s;list-style:none;padding:0;margin:0}.steps li{counter-increment:s;position:relative;padding:0 0 18px 48px}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}
@media (prefers-color-scheme:dark){.steps li::before{color:#0e1311}}
.note{border-left:3px solid var(--warn);padding:10px 16px;background:var(--surface);border-radius:0 10px 10px 0;color:var(--muted);font-size:15px}
.price{font-size:32px;font-weight:700}.price small{font-size:15px;color:var(--muted);font-weight:500}
ul.ticks{padding-left:18px;color:var(--muted);margin:12px 0 0}ul.ticks li{margin:4px 0}
.prose{max-width:760px;padding:48px 0}.prose h1{font-size:34px}.prose h2{font-size:21px;margin-top:32px}.prose p,.prose li{color:var(--muted)}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}footer .wrap{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between}
footer a{text-decoration:none;margin-right:16px}
@media (max-width:560px){nav a{margin-left:12px;font-size:14px}.btn.ghost{margin:10px 0 0}.hero{padding:48px 0 32px}}
pre{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px;overflow-x:auto;font-size:13px;line-height:1.5}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}