:root{--ink:#16202b;--muted:#5b6774;--line:#dfe4ea;--bg:#f6f8fa;--blue:#1f4e79;--blue2:#163a5b;--accent:#e8f0f8;--r:10px}
*{box-sizing:border-box}
body{margin:0;font:16px/1.6 Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:#fff}
a{color:var(--blue)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em}
h1{font-size:clamp(28px,4vw,44px);margin:0 0 .4em}
h2{font-size:26px;margin:1.6em 0 .6em}
h3{font-size:17px;margin:0 0 .3em}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px}
.sec{padding-top:48px;padding-bottom:48px}
.lead{font-size:19px;color:var(--muted);max-width:640px}
.muted{color:var(--muted)}.small{font-size:14px}
.code,.eyebrow{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:13px;color:var(--blue);letter-spacing:.03em;margin:0 0 6px}
.top{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:5}
.top-in{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink);text-decoration:none}
.mark{font-family:"IBM Plex Mono",monospace;font-size:12px;background:var(--blue);color:#fff;border-radius:6px;padding:4px 6px}
nav{display:flex;gap:22px;align-items:center}
nav a{color:var(--ink);text-decoration:none;font-weight:500;font-size:15px}
nav a[aria-current]{color:var(--blue)}
.cart{border:1px solid var(--line);border-radius:999px;padding:6px 14px}
.cart b{background:var(--blue);color:#fff;border-radius:999px;padding:0 7px;font-size:13px;margin-left:4px}
.btn{display:inline-block;background:var(--blue);color:#fff;border:1px solid var(--blue);border-radius:8px;padding:11px 20px;font:600 15px Inter,sans-serif;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--blue2)}
.btn.ghost{background:#fff;color:var(--blue)}
.btn.ghost:hover{background:var(--accent)}
.btn.small{padding:7px 12px;font-size:14px}
.btn.wide{width:100%}
.btn.picked{color:#1d6b3a;border-color:#9fd1b2}
.link{background:none;border:0;color:var(--muted);text-decoration:underline;cursor:pointer;font:inherit;font-size:14px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}
.ticks{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px 22px;color:var(--muted);font-size:15px}
.ticks li:before{content:"✓ ";color:#1d6b3a;font-weight:700}
.hero{background:linear-gradient(var(--bg),#fff);border-bottom:1px solid var(--line)}
.hero-in{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;padding-top:64px;padding-bottom:64px}
.hero-img{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px;box-shadow:0 10px 30px rgba(22,32,43,.08)}
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cat{border:1px solid var(--line);border-radius:var(--r);padding:22px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:4px;transition:border-color .15s}
.cat:hover{border-color:var(--blue)}
.cat b{font-size:32px;color:var(--blue)}.cat span{font-weight:600}.cat small{color:var(--muted);font-size:14px}
.zonepick{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:24px;background:var(--bg);padding:16px 20px;border-radius:var(--r)}
select,input[type=email]{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#fff}
.sec-head{display:flex;justify-content:space-between;align-items:baseline}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.card{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;background:#fff}
.card-img{background:var(--bg);border-bottom:1px solid var(--line);aspect-ratio:1.414;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover;object-position:top}
.card-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{font-size:15px;font-weight:600;flex:1}.card h3 a{color:var(--ink);text-decoration:none}
.band{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band .sec h2{margin-top:0}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.three p{color:var(--muted);margin:0}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:16px 0}
.tier{border:1px solid var(--line);border-radius:var(--r);padding:24px}
.tier p{margin:0 0 8px;color:var(--muted)}
.tier .tier-name{color:var(--ink);font-weight:600}
.tier .tier-price{font-size:36px;font-weight:700;color:var(--ink);margin:4px 0 8px}
.tier.best{border:2px solid var(--blue);background:var(--accent)}
.filters{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin:24px 0 8px}
.pills{display:flex;gap:8px;flex-wrap:wrap}
.pill{border:1px solid var(--line);border-radius:999px;padding:7px 16px;text-decoration:none;color:var(--ink);font-size:15px}
.pill.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.zonesel{display:flex;gap:10px;align-items:center;font-weight:500}
.group h2{margin-bottom:4px}.group>.muted{margin-top:0}
.library-cta{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;background:var(--blue);color:#fff;border-radius:var(--r);padding:28px 32px;margin-top:56px}
.library-cta h2{margin:0 0 4px;color:#fff}.library-cta p{margin:0;opacity:.85}
.library-cta .btn{background:#fff;color:var(--blue)}
.crumbs{font-size:14px;color:var(--muted)}
.product{display:grid;grid-template-columns:1.25fr 1fr;gap:40px;align-items:start}
.product-img img{border:1px solid var(--line);border-radius:var(--r)}
.product-info h1{font-size:30px}
.zones span{display:inline-block;background:var(--accent);color:var(--blue);border-radius:6px;padding:2px 9px;margin:0 6px 6px 0;font-size:14px;font-weight:500}
.buy{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:20px 0 6px}
.price{font-size:30px;font-weight:700;margin:0}
.product-info h2{font-size:18px;margin:24px 0 4px}
.spec{background:var(--bg);border-radius:var(--r);padding:8px 28px 18px;margin-top:40px}
.alert{background:#fdecec;color:#8a1f1f;padding:12px 16px;border-radius:8px}
.note{background:var(--accent);padding:12px 16px;border-radius:8px}
.lines{list-style:none;padding:0;border-top:1px solid var(--line);margin:24px 0}
.lines li{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}
.lines .code{display:inline;margin-right:6px}
.summary{display:flex;justify-content:space-between;align-items:center;gap:16px}
.total{font-size:30px;font-weight:700;margin:0}
.checkout{display:flex;flex-direction:column;gap:10px;margin-top:28px;border:1px solid var(--line);border-radius:var(--r);padding:24px}
.checkout label{font-weight:600}.checkout .check{font-weight:400}
.dl-main{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}
.dl a{font-weight:600;white-space:nowrap}
.pay [data-element]{margin:20px 0}
.prose h2{font-size:21px}
.foot{background:var(--ink);color:#c7d0da;margin-top:64px;padding:48px 0 24px}
.foot .brand{color:#fff}
.foot-in{display:grid;grid-template-columns:1.4fr 1fr;gap:40px}
.foot-in p{max-width:420px;font-size:14px}
.foot-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.foot-links a{color:#fff;text-decoration:none;font-size:15px}
.fine{font-size:13px;color:#8d99a6;border-top:1px solid #2c3946;margin-top:32px;padding-top:20px}
@media (max-width:820px){
  .hero-in,.product,.foot-in{grid-template-columns:1fr}
  .cats,.three,.tiers{grid-template-columns:1fr}
  nav{gap:14px}nav a[href="/faq"],nav a[href="/pricing"]{display:none}
  .sec{padding-top:32px;padding-bottom:32px}
}