:root{
  --ink:#0c211a;--ink-soft:#485a52;--brand:#12805a;--brand-deep:#0a5a3d;--brand-bright:#29a86f;
  --accent:#f6a821;--accent-soft:#fdeecd;--surface:#f5faf6;--mint:#e7f4ec;--card:#fff;--line:#e0ebe4;
  --shadow:0 1px 2px rgba(12,33,26,.05),0 12px 32px -12px rgba(12,33,26,.18);
  --shadow-sm:0 1px 2px rgba(12,33,26,.06),0 6px 16px -10px rgba(12,33,26,.2);--radius:18px;--maxw:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;color:var(--ink);background:var(--surface);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,.display{font-family:'Sora',system-ui,sans-serif;letter-spacing:-.02em;line-height:1.1}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);display:inline-block}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:'Plus Jakarta Sans',sans-serif;font-weight:600;font-size:1rem;padding:14px 24px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;transition:transform .15s,background .2s;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--brand-deep)}
.btn-accent{background:var(--accent);color:#3a2a00}.btn-accent:hover{background:#ffc046}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-lg{padding:16px 30px;font-size:1.05rem}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
/* header */
header{position:sticky;top:0;z-index:50;background:rgba(245,250,246,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:'Sora',sans-serif;font-weight:800;font-size:1.35rem;letter-spacing:-.03em;color:var(--ink)}
.logo:hover{text-decoration:none}
.logo .mark{width:30px;height:30px;border-radius:9px;background:var(--brand);display:grid;place-items:center;color:var(--accent)}
.logo b{color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-weight:500;color:var(--ink-soft);font-size:.96rem}
.nav-links a:hover{color:var(--brand);text-decoration:none}
.menu-btn{display:none;background:none;border:1.5px solid var(--line);border-radius:10px;width:44px;height:44px;cursor:pointer}
.menu-btn span{display:block;width:18px;height:2px;background:var(--ink);margin:4px auto;border-radius:2px}
/* page hero */
.page-hero{background:linear-gradient(120deg,var(--brand-deep),var(--brand));color:#fff;padding:60px 0 56px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(246,168,33,.25),transparent 70%);top:-130px;right:-60px}
.page-hero .eyebrow{color:var(--accent);position:relative}
.page-hero h1{font-size:clamp(2rem,4.6vw,3rem);font-weight:800;margin:12px 0 12px;position:relative}
.page-hero p{color:rgba(255,255,255,.85);position:relative;max-width:62ch;font-size:1.1rem}
.crumb{font-size:.9rem;color:rgba(255,255,255,.72);margin-bottom:16px;position:relative}
.crumb a{color:rgba(255,255,255,.92)}
/* content */
.section{padding:64px 0}
main.doc{max-width:820px;margin:0 auto;padding:56px 24px}
.prose h2{font-size:1.5rem;font-weight:700;margin:34px 0 12px}
.prose h3{font-size:1.15rem;font-weight:700;margin:22px 0 8px}
.prose p{margin-bottom:14px;color:#2b3c34}
.prose ul{margin:0 0 16px 0;padding-left:0;list-style:none}
.prose ul li{position:relative;padding-left:26px;margin-bottom:9px;color:#2b3c34}
.prose ul li::before{content:"";position:absolute;left:6px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.prose .lead{font-size:1.12rem;color:var(--ink-soft);margin-bottom:20px}
.prose .updated{display:inline-block;font-size:.82rem;font-weight:600;color:var(--brand);background:var(--mint);padding:6px 13px;border-radius:999px;margin-bottom:24px}
.contact-card{background:var(--mint);border:1px solid var(--line);border-radius:14px;padding:22px 24px;margin:18px 0}
.contact-card p{margin-bottom:6px;color:#2b3c34}
.note{font-size:.92rem;color:var(--ink-soft)}
/* feature grid (product/about pages) */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:8px 0}
.feat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px}
.feat .ic{width:46px;height:46px;border-radius:12px;background:var(--mint);display:grid;place-items:center;color:var(--brand);margin-bottom:14px;font-family:'Sora';font-weight:800}
.feat h3{font-size:1.12rem;font-weight:700;margin-bottom:7px}
.feat p{color:var(--ink-soft);font-size:.96rem}
.band-mint{background:var(--mint)}
.section-head{max-width:640px;margin-bottom:36px}
.section-head.center{margin:0 auto 36px;text-align:center}
.section-head h2{font-size:clamp(1.7rem,3.2vw,2.3rem);font-weight:700;margin:12px 0}
.section-head p{color:var(--ink-soft);font-size:1.05rem}
/* cta band */
.cta-band{background:linear-gradient(120deg,var(--brand-deep),var(--brand));color:#fff;border-radius:28px;padding:52px;text-align:center;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(246,168,33,.24),transparent 70%);top:-120px;right:-80px}
.cta-band h2{font-size:clamp(1.7rem,3.2vw,2.3rem);font-weight:800;margin-bottom:12px;position:relative;color:#fff}
.cta-band p{color:rgba(255,255,255,.85);max-width:46ch;margin:0 auto 24px;position:relative}
/* footer */
footer{background:var(--ink);color:#c3d4cb;padding:56px 0 30px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;margin-bottom:38px}
footer .logo{color:#fff;margin-bottom:14px}footer .logo b{color:var(--accent)}
.foot-about{font-size:.92rem;color:#93a99e;max-width:34ch}
.foot-col h4{color:#fff;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:15px;font-family:'Plus Jakarta Sans'}
.foot-col a{display:block;color:#a3b8ae;font-size:.94rem;margin-bottom:10px}.foot-col a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:.82rem;color:#849a8f}
.foot-bottom .reg{max-width:64ch;line-height:1.6}
@media(max-width:900px){
  .feat-grid{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}.menu-btn{display:block}
  .nav-links.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--line);padding:16px 24px}
  .nav-links.open a{padding:11px 0;border-bottom:1px solid var(--line)}
  .cta-band{padding:40px 24px}
}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}main.doc{padding:36px 20px}}
/* illustrated product hero */
.hero-2col{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;position:relative}
.hero-illus{border-radius:16px;overflow:hidden;box-shadow:0 12px 32px -12px rgba(12,33,26,.35);background:#e7f4ec;position:relative}
.hero-illus svg{display:block;width:100%;height:auto}
@media(max-width:820px){.hero-2col{grid-template-columns:1fr;gap:24px}}