:root{
  --bg:#ffffff; --ink:#0b2239; --muted:#5b6b7c; --line:#e6ebef; --soft:#f4f7f8;
  --accent:#0d9488; --accent-d:#0f766e; --accent2:#2563eb; --good:#15803d; --warn:#b45309; --bad:#b91c1c;
  --radius:14px; --max:1080px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent-d)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.wide{max-width:1240px}
header.site{position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:50}
.nav{display:flex;align-items:center;gap:26px;height:62px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;letter-spacing:-.02em}
.mark{width:30px;height:30px;border-radius:8px;background:var(--accent);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:17px}
.nav-links{display:flex;gap:20px;margin-left:auto;font-size:15px;color:#333}
.nav-links a:hover{color:var(--accent-d)}
.nav-links a.on{color:var(--accent-d);font-weight:700}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:11px 20px;border-radius:999px;font-weight:600;font-size:15px;border:1px solid var(--accent);cursor:pointer}
.btn:hover{background:var(--accent-d);color:#fff}
.btn.ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn.dark{background:var(--ink);border-color:var(--ink)}
.btn.dark:hover{background:#1c3a52;color:#fff}
.btn.small{padding:8px 15px;font-size:14px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.hero{padding:80px 0 36px;text-align:center}
.hero h1{font-size:clamp(38px,6vw,60px);line-height:1.05;letter-spacing:-.03em;font-weight:800}
.hero h1 .hl{color:var(--accent-d)}
.hero p.sub{font-size:19px;color:var(--muted);max-width:660px;margin:18px auto 28px}
.cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.fine{font-size:13px;color:var(--muted);margin-top:14px}
.pill-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:22px}
.pill{border:1px solid var(--line);background:var(--soft);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600}
.pill b{color:var(--accent-d)}
section{padding:60px 0}
section h2{font-size:clamp(28px,4vw,38px);letter-spacing:-.02em;line-height:1.15;margin-bottom:10px}
section .lede{color:var(--muted);font-size:17px;max-width:660px;margin-bottom:28px}
.center{text-align:center}
.center .lede{margin-left:auto;margin-right:auto}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px;margin-top:8px}
.stat{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.stat b{font-size:30px;display:block;letter-spacing:-.02em;color:var(--accent-d)}
.stat span{color:var(--muted);font-size:14px}
.feats{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.feat{border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.feat .n{font-size:13px;color:var(--accent-d);font-weight:700;letter-spacing:.08em}
.feat h3{font-size:19px;margin:8px 0 6px}
.feat p{color:var(--muted);font-size:15px}
.feat .go{font-weight:700;color:var(--accent-d);font-size:14px}
table.cmp{width:100%;border-collapse:collapse;margin:20px 0}
table.cmp th,table.cmp td{border:1px solid var(--line);padding:12px 14px;text-align:left;font-size:15px;vertical-align:top}
table.cmp th{background:var(--soft)}
table.cmp td.yes{color:var(--good);font-weight:700}
table.cmp td.no{color:var(--bad)}
.tiers{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin:24px 0}
.tier{border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:relative}
.tier.hot{border:2px solid var(--accent)}
.tier .tag{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}
.tier h3{font-size:20px;margin:6px 0}
.tier .p{font-size:32px;font-weight:800;letter-spacing:-.02em}
.tier .p small{font-size:15px;font-weight:400;color:var(--muted)}
.tier ul{list-style:none;margin:14px 0}
.tier li{font-size:14px;color:#333;padding:4px 0}
.tier li:before{content:"✓ ";color:var(--good);font-weight:700}
.tier li.no:before{content:"✕ ";color:var(--bad)}
.faq{max-width:720px;margin:0 auto;text-align:left}
.faq details{border-bottom:1px solid var(--line);padding:16px 4px}
.faq summary{font-weight:700;font-size:17px;cursor:pointer}
.faq p{color:var(--muted);margin-top:8px;font-size:15px}
.cta-final{background:var(--ink);color:#fff;border-radius:20px;padding:52px 24px;text-align:center}
.cta-final h2{color:#fff}
.cta-final p{color:#b9c6d2;margin:10px 0 24px}
.cta-final .btn{background:var(--accent);border-color:var(--accent)}
footer{border-top:1px solid var(--line);padding:36px 0 28px;color:var(--muted);font-size:14px}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:20px;margin-bottom:24px}
.foot-grid h4{color:var(--ink);font-size:14px;margin-bottom:8px}
.foot-grid a{display:block;padding:3px 0}
.disclaimer{font-size:13px;border-top:1px solid var(--line);padding-top:16px}
/* app pages */
.page-head{padding:44px 0 8px}
.page-head h1{font-size:clamp(30px,4vw,42px);letter-spacing:-.02em;line-height:1.1}
.page-head p{color:var(--muted);font-size:17px;max-width:680px;margin-top:10px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid2-40{display:grid;grid-template-columns:2fr 3fr;gap:18px}
@media(max-width:860px){.grid2,.grid2-40{grid-template-columns:1fr}.nav-links{display:none}}
.panel{border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:#fff;margin-bottom:16px}
.panel.soft{background:var(--soft)}
.panel h3{font-size:16px;margin-bottom:8px}
.panel h4{font-size:15px;margin:14px 0 6px}
.panel p{font-size:14px;color:#333}
.panel p.muted{color:var(--muted)}
textarea,input[type=text],input[type=password],input[type=color],input[type=file],select{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:inherit;font-size:14px;background:#fff}
textarea{min-height:80px;resize:vertical}
input[type=color]{padding:4px;height:42px}
label{display:block;font-size:13px;font-weight:600;color:#444;margin:10px 0 5px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row.between{justify-content:space-between}
.status{font-size:13px;padding:6px 12px;border-radius:999px;background:var(--soft);border:1px solid var(--line)}
.status.live{background:#dcfce7;border-color:#86efac;color:#166534}
.status.err{background:#fee2e2;border-color:#fca5a5;color:#991b1b}
.status.warn{background:#fef3c7;border-color:#fcd34d;color:#92400e}
.kit-out{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:14px;background:#fff}
.kit-out h4{margin:0 0 8px;font-size:15px;display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.kit-out .item{border-top:1px solid var(--line);padding:10px 0;font-size:14px}
.kit-out .item:first-of-type{border-top:none}
.kit-out .item b{display:block;font-size:14px}
.kit-out .item p{white-space:pre-wrap;color:#222;margin-top:2px}
.kit-out .item .hash{color:var(--accent-d)}
.copy-btn{border:1px solid var(--line);background:var(--soft);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:600;cursor:pointer}
.copy-btn:hover{border-color:var(--accent);color:var(--accent-d)}
.copy-btn.done{background:#dcfce7;border-color:#86efac;color:#166534}
.mini{font-size:12px;color:var(--muted)}
.kit-card{border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:10px;background:#fff}
.kit-card b{font-size:14px}
.kit-card p{font-size:13px;color:var(--muted)}
.kit-card .row{margin-top:8px}
/* creative studio */
.tpl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.tpl{border:1px solid var(--line);border-radius:12px;padding:0;cursor:pointer;overflow:hidden;background:#fff;text-align:left}
.tpl.on{border:2px solid var(--accent)}
.tpl .sw{height:64px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:13px;text-align:center;padding:6px;line-height:1.25}
.tpl .nm{padding:8px 10px;font-size:13px;font-weight:600}
.tpl .ct{padding:0 10px 8px;font-size:11px;color:var(--muted)}
.stock-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px}
.stock-grid img{width:100%;height:72px;object-fit:cover;border-radius:8px;cursor:pointer;border:2px solid transparent;display:block}
.stock-grid img.on{border-color:var(--accent)}
canvas.stage{max-width:100%;border:1px solid var(--line);border-radius:12px;background:#fff;display:block;margin:0 auto}
.size-pills{display:flex;gap:8px;flex-wrap:wrap}
.size-pills .pill{cursor:pointer}
.size-pills .pill.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.size-pills .pill.on b{color:#fff}
input[type=range]{width:100%}
.swatches{display:flex;gap:8px;flex-wrap:wrap}
.swatch{width:34px;height:34px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--line);cursor:pointer}
.swatch.on{box-shadow:0 0 0 2px var(--accent)}
/* calendar */
.cal-head{display:flex;justify-content:space-between;align-items:center;margin:18px 0 12px}
.cal-head h3{font-size:20px}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-dow{font-size:12px;font-weight:700;color:var(--muted);text-align:center;padding:6px 0}
.cal-day{min-height:86px;border:1px solid var(--line);border-radius:10px;padding:8px;font-size:13px;cursor:pointer;background:#fff}
.cal-day:hover{border-color:var(--accent)}
.cal-day.sel{border:2px solid var(--accent)}
.cal-day.other{opacity:.35}
.cal-day .d{font-weight:700;font-size:13px}
.cal-day .ev{margin-top:4px;font-size:11px;line-height:1.35;color:var(--accent-d);font-weight:600;word-break:break-word}
.cal-day .ev .pl{display:block;color:var(--muted);font-weight:400}
@media(max-width:640px){.cal-day{min-height:56px}.cal-day .ev{display:none}}
/* articles */
.article{max-width:760px}
.article h2{margin-top:40px}
.article h3{margin-top:28px;font-size:20px}
.article p{margin:12px 0;color:#333}
.article ul,.article ol{margin:12px 0 12px 22px;color:#333}
.article li{margin:6px 0}
.article .callout{background:var(--soft);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:10px;padding:16px 18px;margin:20px 0}
.article .callout p{margin:0}
.article table{width:100%;border-collapse:collapse;margin:20px 0}
.article th,.article td{border:1px solid var(--line);padding:12px 14px;text-align:left;font-size:15px;vertical-align:top}
.article th{background:var(--soft)}
.article .lede{margin-bottom:8px}
.muted{color:var(--muted);font-size:14px}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-size:14px;z-index:100;opacity:0;pointer-events:none;transition:opacity .2s}
.toast.show{opacity:1}
.note{border:1px solid #fcd34d;background:#fffbeb;border-radius:10px;padding:12px 14px;font-size:14px;margin:12px 0}
.note b{color:#92400e}
details.how{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px}
details.how summary{font-weight:700;cursor:pointer}
details.how p{color:var(--muted);font-size:14px;margin-top:8px}

/* Feature / hero images */
.hero-img{width:100%;border-radius:16px;display:block;margin:28px 0 0;box-shadow:0 12px 40px rgba(11,34,57,.35)}
.feature-img{width:100%;max-width:900px;border-radius:14px;display:block;margin:0 auto 8px;box-shadow:0 8px 28px rgba(11,34,57,.25)}