:root{--bg:#FBF8F2;--ink:#17221F;--mute:#5B6965;--teal:#0F766E;--amber:#F2A93B;--line:#E4DED2;--card:#fff}
@media(prefers-color-scheme:dark){:root{--bg:#10171A;--ink:#EEF2EE;--mute:#9AA9A4;--teal:#2DB5A8;--line:#26323A;--card:#172125}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 "IBM Plex Sans",system-ui,sans-serif}
h1,h2,h3{font-family:"Bricolage Grotesque","IBM Plex Sans",system-ui,sans-serif;line-height:1.1;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2.4rem,6vw,4.2rem);font-weight:800}h2{font-size:1.8rem;margin-top:2.2em}h3{font-size:1.2rem;margin-top:1.6em}
a{color:var(--teal)}.wrap{max-width:960px;margin:0 auto;padding:0 24px}.narrow{max-width:720px}
header{border-bottom:1px solid var(--line)}header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font:800 1.25rem "Bricolage Grotesque",sans-serif;color:var(--ink);text-decoration:none}
.logo img{width:30px;height:30px}nav a{margin-left:22px;color:var(--mute);text-decoration:none;font-size:.95rem}nav a:hover,nav a[aria-current]{color:var(--ink)}
.btn{display:inline-block;background:var(--teal);color:#fff;padding:13px 22px;border-radius:10px;font-weight:600;text-decoration:none}
.btn.alt{background:transparent;color:var(--ink);border:1.5px solid var(--line);margin-left:8px}
.hero{padding:72px 0 56px;display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.hero p{font-size:1.15rem;color:var(--mute);max-width:30em}
.mock{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;font:13px/1.4 "IBM Plex Mono",monospace;box-shadow:0 18px 40px -22px rgba(0,0,0,.35)}
.mock div{display:grid;grid-template-columns:1.6fr .7fr .8fr;gap:8px;padding:8px 10px;border-radius:6px}
.mock .h{color:var(--mute);font-size:11px;text-transform:uppercase;letter-spacing:.06em}
.mock .hl{outline:2px solid var(--amber);outline-offset:-2px;background:rgba(242,169,59,.14);margin:3px 0}
.mock .bar{display:block;margin-top:10px;padding:9px 10px;background:var(--teal);color:#fff;border-radius:8px;text-align:center;font-family:"IBM Plex Sans";font-weight:600}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;padding:0;list-style:none;margin:28px 0}
.steps li{counter-increment:s;border-top:3px solid var(--amber);padding-top:14px}
.steps li:before{content:"0" counter(s);font:700 .85rem "IBM Plex Mono",monospace;color:var(--teal);display:block;margin-bottom:6px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin:24px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px}.card h3{margin-top:0}.card p{margin:0;color:var(--mute);font-size:.97rem}
.page{padding:56px 0 40px}.page h1{font-size:clamp(2rem,5vw,3rem)}.meta{color:var(--mute);font-size:.9rem}
details{border-bottom:1px solid var(--line);padding:14px 0}summary{cursor:pointer;font-weight:600}details p{color:var(--mute);margin:.6em 0 0}
.note{border-left:4px solid var(--amber);background:var(--card);padding:14px 18px;border-radius:0 10px 10px 0;margin:24px 0}
footer{border-top:1px solid var(--line);margin-top:64px;padding:32px 0;color:var(--mute);font-size:.92rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between}footer a{color:var(--mute);margin-right:18px}
@media(max-width:760px){.hero{grid-template-columns:1fr;padding-top:40px}nav a{margin-left:14px}}