:root{
  --bg:#f6f1ea; --surface:#fffdf9; --ink:#1d1a16; --muted:#6b645b; --line:#e4dccf;
  --accent:#e8590c; --accent-soft:#fbe6d6; --radius:18px;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#151311;--surface:#1f1c19;--ink:#f3eee7;--muted:#a69d91;--line:#35302a;--accent:#ff7a2e;--accent-soft:#3a2416}
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:17px/1.6 "Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
.narrow{max-width:720px}

/* header */
.top{display:flex;align-items:center;justify-content:space-between;padding:22px 0}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:22px;letter-spacing:-.02em}
.logo img{height:26px;width:auto}
.logo b{font-weight:800}
.logo span{font-weight:400}
.logo .dark{display:none}
@media (prefers-color-scheme:dark){.logo .light{display:none}.logo .dark{display:inline}}
.top nav{display:flex;gap:18px;align-items:center;font-size:15px}
.top nav a{text-decoration:none;color:var(--muted)}
.top nav a:hover{color:var(--ink)}
.lang{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:999px;padding:4px 12px;font:inherit;font-size:14px;cursor:pointer}

/* hero */
.hero{padding:56px 0 40px}
.hero h1{font-size:clamp(34px,6vw,58px);line-height:1.05;letter-spacing:-.035em;margin:0 0 18px;font-weight:800;max-width:14em}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{font-size:clamp(18px,2.4vw,21px);color:var(--muted);max-width:34em;margin:0}

/* principles */
.principles{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:8px 0 64px}
.pr{border-top:2px solid var(--ink);padding-top:14px}
.pr b{display:block;font-size:18px;margin-bottom:4px}
.pr p{margin:0;color:var(--muted);font-size:15px}

/* apps */
h2{font-size:28px;letter-spacing:-.02em;margin:0 0 20px}
.apps{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:16px;margin-bottom:72px}
.free{margin-bottom:72px}
.free h2{margin-bottom:6px}
.free-sub{color:var(--muted);margin:0 0 20px;max-width:40em}
.free-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px}
.mini{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;gap:14px;align-items:flex-start}
.mini img{width:48px;height:48px;border-radius:12px;flex:none}
.mini h3{margin:0 0 2px;font-size:17px}
.mini p{margin:0 0 10px;color:var(--muted);font-size:14.5px;line-height:1.45}
.mini .btn{padding:5px 12px;font-size:13px}
.app{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column}
.app header{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.app header img{width:56px;height:56px;border-radius:14px}
.app h3{margin:0;font-size:21px;letter-spacing:-.01em}
.app .tag{font-size:13px;color:var(--muted)}
.app p{margin:0 0 16px;color:var(--muted);font-size:15.5px;flex:1}
.app ul{margin:0 0 18px;padding:0;list-style:none;font-size:14.5px}
.app li{padding:3px 0}
.app li::before{content:"■";color:var(--accent);font-size:9px;margin-right:9px;vertical-align:2px}
.links{display:flex;flex-wrap:wrap;gap:8px}
.btn{display:inline-block;text-decoration:none;border-radius:999px;padding:8px 16px;font-size:14px;font-weight:600;border:1.5px solid var(--ink)}
.btn.primary{background:var(--ink);color:var(--bg)}
.btn.soon,.btn.primary.soon{border-style:dashed;background:transparent;color:var(--muted);border-color:var(--line);cursor:default}
.small{font-size:13px;color:var(--muted);margin-top:12px}
.small a{color:var(--muted)}

/* contact */
.contact{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-bottom:64px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.contact h2{margin:0 0 6px}
.contact p{margin:0;color:var(--muted)}
.mail{font-size:19px;font-weight:700;color:var(--accent);text-decoration:none}

/* doc pages */
.doc{padding:24px 0 64px}
.doc h1{font-size:clamp(30px,5vw,42px);letter-spacing:-.03em;margin:10px 0 6px}
.doc .meta{color:var(--muted);font-size:14px;margin-bottom:28px}
.doc h2{font-size:21px;margin:32px 0 8px}
.doc p,.doc li{color:var(--ink)}
.doc ul{padding-left:20px}
.doc table{width:100%;border-collapse:collapse;font-size:15px;margin:10px 0}
.doc td,.doc th{border-bottom:1px solid var(--line);padding:9px 6px;text-align:left;vertical-align:top}
.doc th{color:var(--muted);font-weight:600}
.back{color:var(--muted);text-decoration:none;font-size:15px}
details{border-bottom:1px solid var(--line);padding:14px 0}
summary{cursor:pointer;font-weight:600}
details p{margin:8px 0 0;color:var(--muted)}

footer{border-top:1px solid var(--line);padding:26px 0 40px;color:var(--muted);font-size:14px;display:flex;flex-wrap:wrap;gap:12px 22px;justify-content:space-between}
footer a{color:var(--muted)}
footer nav{display:flex;gap:18px;flex-wrap:wrap}

@media (max-width:560px){.top nav a.hide-sm{display:none}}
select.lang{appearance:none;-webkit-appearance:none;padding-right:12px}
select.lang option{background:var(--surface);color:var(--ink)}
[dir="rtl"] .app li::before{margin-right:0;margin-left:9px}
[dir="rtl"] .doc ul{padding-left:0;padding-right:20px}
[dir="rtl"] .doc td,[dir="rtl"] .doc th{text-align:right}
[dir="rtl"] .back{display:inline-block;transform:none}

/* ---------- search ---------- */
.search-btn{background:transparent;border:1px solid var(--line);border-radius:999px;width:34px;height:34px;display:grid;place-items:center;cursor:pointer;color:var(--ink);padding:0}
.search-btn:hover{border-color:var(--ink)}
.search-btn svg,.search-box svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round}
dialog.search{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--ink);padding:0;width:min(560px,calc(100% - 24px));max-height:min(560px,80vh);margin:12vh auto auto;box-shadow:0 20px 60px rgba(0,0,0,.25);overflow:hidden}
dialog.search[open]{display:flex;flex-direction:column}
dialog.search::backdrop{background:rgba(20,16,12,.45);backdrop-filter:blur(3px)}
.search-box{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line);color:var(--muted)}
.search-box input{flex:1;border:0;outline:0;background:transparent;color:var(--ink);font:inherit;font-size:18px;min-width:0}
.search-box input::-webkit-search-cancel-button{display:none}
.search-close{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:6px;font:inherit;font-size:12px;padding:2px 7px;cursor:pointer}
.search-results{list-style:none;margin:0;padding:8px;overflow:auto}
.search-results a{display:flex;gap:12px;align-items:center;padding:9px 10px;border-radius:12px;text-decoration:none}
.search-results a.on,.search-results a:hover{background:var(--accent-soft)}
.search-results img,.search-results .pg{width:38px;height:38px;border-radius:10px;flex:none;display:grid;place-items:center;font-size:20px}
.search-results b{display:block;font-size:15.5px}
.search-results small{display:block;color:var(--muted);font-size:13px;line-height:1.35}
.search-results .none{padding:18px 10px;color:var(--muted)}
.search-results .none a{display:inline;padding:0;color:var(--accent);background:none}
.app,.mini{scroll-margin-top:24px}
.found{animation:found 2.2s ease}
@keyframes found{0%,40%{box-shadow:0 0 0 3px var(--accent)}100%{box-shadow:0 0 0 3px transparent}}

/* ---------- seasonal themes (seasons.js) ---------- */
.season-fall{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:5}
.season-fall span{position:absolute;top:-40px;opacity:.75;animation:season-fall linear 2 forwards}
@keyframes season-fall{0%{transform:translateY(0) rotate(0)}100%{transform:translateY(110vh) rotate(200deg);opacity:0}}
@media (prefers-reduced-motion:reduce){.season-fall{display:none}.found{animation:none;box-shadow:0 0 0 3px var(--accent)}}