:root{
  --bg:#f7f7f5; --surface:#ffffff; --text:#14161b; --muted:#5d6370; --line:#e4e4e0;
  --accent:#4f46e5; --accent-ink:#ffffff; --pill:#eef0ff; --pill-ink:#3730a3;
  --radius:18px; --shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.06);
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b0d12; --surface:#151821; --text:#eef0f4; --muted:#9aa1ae; --line:#252a36;
    --accent:#818cf8; --accent-ink:#0b0d12; --pill:#1e2140; --pill-ink:#c7cbff;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35);
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);
  font:17px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  display:flex;flex-direction:column;min-height:100vh}
main{flex:1}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.dim{color:var(--muted)} .small{font-size:14px}

.site-header{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--text);letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.brand-mark{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;color:#fff;font-size:16px;
  background:linear-gradient(135deg,#6366f1,#ec4899)}
.nav nav a{color:var(--muted);margin-left:22px;font-size:15px;font-weight:500}
.nav nav a:hover{color:var(--text);text-decoration:none}

.hero{padding:88px 20px 40px}
.eyebrow{color:var(--muted);font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin:0 0 10px}
.eyebrow a{color:inherit}
h1{font-size:clamp(34px,6vw,58px);line-height:1.05;letter-spacing:-.03em;margin:0 0 16px}
h2{font-size:22px;letter-spacing:-.01em;margin:40px 0 10px}
h3{font-size:19px;margin:0 0 2px}
.lead{font-size:20px;color:var(--muted);max-width:620px;margin:0}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;padding:24px 0 96px}
.card{display:flex;gap:18px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;color:var(--text);box-shadow:var(--shadow);transition:transform .15s ease,border-color .15s ease}
.card:hover{transform:translateY(-2px);border-color:var(--accent);text-decoration:none}
.card p{margin:6px 0 0;color:var(--muted);font-size:15px;line-height:1.5}
.card .meta{margin:0;font-size:13px}

.icon{flex:none;border-radius:22.5%;display:grid;place-items:center;color:#fff;font-weight:800;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12),0 4px 14px rgba(0,0,0,.15);object-fit:cover}
.icon-md{width:64px;height:64px;font-size:28px}
.icon-lg{width:120px;height:120px;font-size:52px}

.app-hero{display:flex;gap:32px;align-items:center;padding:72px 20px 16px}
.actions{margin-top:22px}
.btn{display:inline-block;border-radius:999px;padding:12px 22px;font-weight:600;font-size:16px;border:0;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--text);color:var(--bg)}
.btn-primary:hover{opacity:.88;text-decoration:none}
.pill{display:inline-block;background:var(--pill);color:var(--pill-ink);border-radius:999px;padding:8px 16px;font-size:14px;font-weight:600}

.prose{padding-top:48px;padding-bottom:96px}
.prose > *{max-width:720px}
.prose > section{padding:0}
ul.checks{list-style:none;padding:0}
ul.checks li{position:relative;padding-left:30px;margin:8px 0}
ul.checks li:before{content:"";position:absolute;left:0;top:7px;width:18px;height:18px;border-radius:50%;
  background:var(--accent);-webkit-mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M10 0a10 10 0 100 20 10 10 0 000-20zm-1.2 14.2L4.6 10l1.4-1.4 2.8 2.8 5.2-5.2 1.4 1.4-6.6 6.6z"/></svg>') center/contain no-repeat;
  mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M10 0a10 10 0 100 20 10 10 0 000-20zm-1.2 14.2L4.6 10l1.4-1.4 2.8 2.8 5.2-5.2 1.4 1.4-6.6 6.6z"/></svg>') center/contain no-repeat}
ul.plain{padding-left:20px}

.form{display:grid;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:24px 0}
.form label{display:grid;gap:6px;font-weight:600;font-size:15px}
.form select,.form textarea{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px;width:100%}
.form select:focus,.form textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
.form .btn{justify-self:start}
.form p{margin:0}

details{border-top:1px solid var(--line);padding:14px 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:600}
details p{color:var(--muted);margin:10px 0 0}

.site-footer{border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.foot{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;padding:28px 20px}
.foot nav{display:flex;flex-wrap:wrap;gap:8px 20px}
.foot a{color:var(--muted)}

@media (max-width:640px){
  .wrap{padding-left:16px;padding-right:16px}
  .hero{padding:56px 16px 24px}
  .app-hero{flex-direction:column;align-items:flex-start;gap:20px;padding:48px 16px 8px}
  .icon-lg{width:96px;height:96px;font-size:42px}
  .grid{grid-template-columns:1fr}
  .lead{font-size:18px}
  .nav nav a{margin-left:16px}
}

/* ---------- v2: hero, categories, cards ---------- */
.icon-sm{width:44px;height:44px;font-size:18px;border-radius:22.5%}
.hero{position:relative;overflow:hidden;padding:96px 0 56px}
.hero-inner{position:relative}
.hero-glow{position:absolute;inset:-40% -10% auto -10%;height:140%;pointer-events:none;
  background:radial-gradient(40% 45% at 18% 30%,rgba(99,102,241,.20),transparent 70%),
             radial-gradient(35% 40% at 70% 20%,rgba(236,72,153,.16),transparent 70%),
             radial-gradient(30% 35% at 90% 70%,rgba(14,165,233,.12),transparent 70%)}
@media (prefers-color-scheme: dark){.hero-glow{opacity:.9}}
.hero h1{max-width:760px}
.hero-icons{display:flex;gap:12px;margin-top:36px;flex-wrap:wrap}
.hero-icons .icon-sm{box-shadow:0 6px 18px rgba(0,0,0,.18);transition:transform .2s ease}
.hero-icons .icon-sm:nth-child(odd){transform:rotate(-4deg)}
.hero-icons .icon-sm:nth-child(even){transform:rotate(3deg) translateY(4px)}

.filters-bar{position:sticky;top:60px;z-index:4;background:color-mix(in srgb,var(--bg) 85%,transparent);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);scroll-margin-top:60px}
.filters{display:flex;gap:8px;padding-top:12px;padding-bottom:12px;overflow-x:auto;scrollbar-width:none}
.filters::-webkit-scrollbar{display:none}
.chip{flex:none;display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);color:var(--text);font-weight:600;font-size:15px}
.chip span{font-size:12px;color:var(--muted);background:var(--bg);border-radius:999px;padding:1px 8px}
.chip:hover{text-decoration:none;border-color:var(--accent)}
.chip.is-on{background:var(--text);color:var(--bg);border-color:var(--text)}
.chip.is-on span{background:color-mix(in srgb,var(--bg) 18%,transparent);color:var(--bg)}

.catalog{padding-bottom:80px}
.cat{padding-top:44px;scroll-margin-top:130px}
.cat-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:4px}
.cat-head h2{margin:0;font-size:26px}
.cat-head p{margin:0;color:var(--muted)}
.cat .grid,.more .grid{padding:18px 0 0}

.card{flex-direction:column;gap:16px;padding:24px;position:relative}
.card .icon-md{width:72px;height:72px;font-size:30px}
.card:hover .icon{transform:scale(1.04)}
.card .icon{transition:transform .2s ease}
.card .tag{color:var(--text);opacity:.8;margin-top:8px}
.status{display:inline-block;margin-top:14px;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;
  background:var(--pill);color:var(--pill-ink)}
.status-live{background:#dcfce7;color:#166534}
@media (prefers-color-scheme: dark){.status-live{background:#14532d;color:#bbf7d0}}

.more{padding-bottom:88px}
.more h2{margin:0}
.app-hero .eyebrow a{color:inherit}
.app-hero .eyebrow a:hover{color:var(--accent)}

@media (max-width:640px){
  .hero{padding:56px 0 36px}
  .hero-icons{gap:10px;margin-top:28px}
  .icon-sm{width:40px;height:40px}
  .filters-bar{top:60px}
  .cat{padding-top:32px}
  .card{flex-direction:row;padding:18px;gap:16px}
  .card .icon-md{width:60px;height:60px}
}