:root{
  --bg:#f6f5f0; --surface:#fffefb; --ink:#16211d; --muted:#55625c; --line:#dcd9cd;
  --accent:#0d6b5b; --accent-ink:#ffffff; --accent-soft:#e1efe9; --focus:#b45309;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#101614; --surface:#161e1b; --ink:#e9efeb; --muted:#9fada6; --line:#2a3631;
    --accent:#4fc3a8; --accent-ink:#06201a; --accent-soft:#183029; --focus:#f0b35a;
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:1rem/1.6 var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:3px}
.wrap{max-width:68rem;margin:0 auto;padding:0 1rem}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--bg);padding:.5rem 1rem;z-index:10}
.skip:focus{left:0}

header.site{padding:1rem 0;border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{font:700 1.2rem var(--serif);color:var(--ink);text-decoration:none;letter-spacing:.01em;display:flex;align-items:center;gap:.5rem}
.brand svg{width:1.4rem;height:1.4rem}
nav.top a{color:var(--muted);text-decoration:none;font-size:.95rem;margin-left:1rem}
nav.top a:hover{color:var(--ink)}
nav.top .hide-sm{display:none}

.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);padding:.8rem 1.25rem;border-radius:6px;text-decoration:none;font-weight:600;border:2px solid var(--accent)}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--accent)}

.hero{padding:2.5rem 0 2rem}
.hero h1{font:700 clamp(1.9rem,7vw,3.2rem)/1.15 var(--serif);margin:0 0 1rem;max-width:20ch}
.hero p.lead{font-size:1.1rem;color:var(--muted);max-width:38rem;margin:0 0 1.5rem}
.hero .art{margin-top:2rem;color:var(--accent)}
.hero .art svg{width:100%;height:auto;max-width:46rem;display:block}
.cta-row{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}
.cta-row small{color:var(--muted)}

section{padding:2.5rem 0;border-top:1px solid var(--line)}
section h2{font:700 1.6rem/1.2 var(--serif);margin:0 0 .5rem}
section .intro{color:var(--muted);margin:0 0 1.5rem;max-width:40rem}

.grid{display:grid;gap:1rem}
.card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:1.1rem 1.15rem}
.card h3{margin:0 0 .35rem;font-size:1.05rem}
.card p{margin:0;color:var(--muted);font-size:.97rem}
.card .ic{width:2rem;height:2rem;color:var(--accent);margin-bottom:.6rem}

ol.steps{list-style:none;margin:0;padding:0;display:grid;gap:1rem;counter-reset:s}
ol.steps li{counter-increment:s;position:relative;padding-left:3rem}
ol.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:2.1rem;height:2.1rem;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-weight:700;display:grid;place-items:center}
ol.steps h3{margin:0 0 .2rem;font-size:1.05rem}
ol.steps p{margin:0;color:var(--muted)}

.note{font-size:.9rem;color:var(--muted);border-left:3px solid var(--line);padding-left:.8rem;margin-top:1.25rem}

details{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:0 1.1rem;margin-bottom:.6rem}
summary{cursor:pointer;padding:.9rem 0;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:1rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-size:1.3rem;line-height:1}
details[open] summary::after{content:"\2212"}
details p{margin:0 0 1rem;color:var(--muted)}

.contact{background:var(--accent-soft);border-radius:10px;padding:1.5rem 1.25rem}
.contact h2{margin-top:0}
.contact ul{padding-left:1.1rem;margin:.5rem 0 1.25rem;color:var(--muted)}

footer.site{border-top:1px solid var(--line);padding:1.5rem 0 2.5rem;color:var(--muted);font-size:.9rem}
footer.site .wrap{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;justify-content:space-between}
footer.site a{color:var(--muted)}

.prose{max-width:42rem;padding:2rem 0 3rem}
.prose h1{font:700 2rem/1.2 var(--serif);margin:0 0 .5rem}
.prose h2{font:700 1.25rem var(--serif);margin:1.75rem 0 .4rem}
.prose p,.prose li{color:var(--ink)}
.prose .meta{color:var(--muted);font-size:.9rem}

@media (min-width:40rem){
  .wrap{padding:0 1.5rem}
  nav.top .hide-sm{display:inline}
  .grid.c2,.grid.c3{grid-template-columns:repeat(2,1fr)}
  ol.steps{grid-template-columns:repeat(2,1fr);gap:1.5rem}
}
@media (min-width:62rem){
  .hero{padding:4.5rem 0 3rem}
  .grid.c3{grid-template-columns:repeat(3,1fr)}
  ol.steps{grid-template-columns:repeat(4,1fr)}
  section{padding:3.5rem 0}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}