/* Trinta — слой 1 (движок). Токены SeedWave, акцент продукта — лайм. Вау: чек, который печатается наоборот. */
:root{
  --bg:#0a1410;--surface:#11201a;--ink:#eef4ea;--ink-soft:#a8b9a6;--line:rgba(183,227,59,.18);
  --accent:#b7e33b;--accent-ink:#11200a;--warn:#ffc24a;--chip:rgba(255,255,255,.05);--chip-on:rgba(183,227,59,.14);
  --paper:#f6f4ea;--paper-ink:#1b1f17;--paper-soft:#6a705f;
  --display:"Spectral",Georgia,serif;--body:"Manrope",system-ui,sans-serif;--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;--r:18px;
}
:root[data-theme="light"]{
  --bg:#f3f6ea;--surface:#ffffff;--ink:#17210f;--ink-soft:#586350;--line:rgba(60,90,0,.2);
  --accent:#5e8c00;--accent-ink:#ffffff;--warn:#a86400;--chip:rgba(30,50,0,.045);--chip-on:rgba(94,140,0,.13);
  --paper:#fffdf4;--paper-ink:#1b1f17;--paper-soft:#6a705f;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:400 16px/1.5 var(--body);-webkit-font-smoothing:antialiased;min-height:100vh}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
.wrap{max-width:600px;margin:0 auto;padding:0 16px}

.top{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:17px;letter-spacing:-.01em}
.brand img{width:36px;height:36px;border-radius:10px}
.tools{display:flex;gap:8px;position:relative}
.rb{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:transparent;font-size:13px;font-weight:700;display:grid;place-items:center}
.menu{position:absolute;right:48px;top:46px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:6px;display:none;z-index:20;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.menu.open{display:block}
.menu a{display:block;padding:8px 16px;border-radius:9px;text-decoration:none;font-weight:600}
.menu a[aria-current]{background:var(--chip-on);color:var(--accent)}

/* личное приветствие */
.guest{display:none;border:1px solid var(--accent);border-radius:var(--r);padding:16px 18px;margin:6px 0 4px;background:var(--chip-on)}
.guest.on{display:block;animation:rise .5s both}
.guest b{display:block;font-size:19px;margin-bottom:4px}
.guest p{margin:0;font-size:16px}
.guest small{display:block;margin-top:10px;font-size:13px;color:var(--ink-soft);line-height:1.45}

/* герой */
.hero{padding:16px 0 4px}
.kicker{margin:0 0 10px;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.hero h1{font:600 clamp(30px,7.8vw,44px)/1.07 var(--display);margin:0 0 12px;letter-spacing:-.01em;text-wrap:balance}
.hero p.sub{color:var(--ink-soft);margin:0;font-size:17px}
.cd{margin:18px 0 0;border:1px solid var(--line);border-radius:14px;padding:12px 14px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.cd .l{font-size:13px;color:var(--ink-soft);line-height:1.3}
.cd .l b{display:block;color:var(--warn);font-size:14px}
.cd .n{display:flex;gap:10px;font-variant-numeric:tabular-nums}
.cd .n span{text-align:center;min-width:38px}
.cd .n b{display:block;font:800 26px/1 var(--body);color:var(--warn)}
.cd .n i{font-style:normal;font-size:11px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.05em}

/* ролик */
.video{margin:22px 0 0}
.cond h2,.doors h2,.src h2{font:600 24px/1.2 var(--display);margin:0 0 10px}
.vnote{font-size:12px;color:var(--ink-soft);margin:6px 2px 0;text-align:right}
.video video{width:100%;aspect-ratio:1;border-radius:var(--r);border:1px solid var(--line);background:#000;display:block}

/* калькулятор */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px 18px;margin:22px 0 0}
.card h2{font:800 21px/1.2 var(--body);margin:0 0 4px}
.hint{color:var(--ink-soft);font-size:14px;margin:0 0 14px}
.label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft);margin:14px 0 8px}
.grid{display:grid;gap:8px;grid-template-columns:repeat(3,1fr)}
.grid.g2{grid-template-columns:repeat(2,1fr)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.chip{border:1px solid var(--line);background:var(--chip);border-radius:12px;padding:10px 6px;font-weight:700;font-size:14px;min-height:48px;line-height:1.2;transition:background .15s,border-color .15s,transform .1s}
.chip:active{transform:scale(.97)}
.chip.on{border-color:var(--accent);background:var(--chip-on);color:var(--accent)}
.rowx{padding:12px 0 2px;border-top:1px solid var(--line);margin-top:12px}
.rowx .h{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.rowx .h span{font-weight:700}
.rowx .h b{font:800 18px/1 var(--body);font-variant-numeric:tabular-nums;white-space:nowrap}
.rowx .h b small{font-weight:600;font-size:12px;color:var(--ink-soft);margin-left:4px}
.rowx em{display:block;font-style:normal;font-size:12px;color:var(--ink-soft)}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:36px;background:transparent;margin:2px 0 0;touch-action:pan-y}
input[type=range]::-webkit-slider-runnable-track{height:6px;border-radius:6px;background:linear-gradient(90deg,var(--accent) var(--p,0%),var(--line) var(--p,0%))}
input[type=range]::-moz-range-track{height:6px;border-radius:6px;background:var(--line)}
input[type=range]::-moz-range-progress{height:6px;border-radius:6px;background:var(--accent)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:28px;height:28px;border-radius:50%;background:var(--accent);border:3px solid var(--surface);margin-top:-11px;box-shadow:0 2px 8px rgba(0,0,0,.3)}
input[type=range]::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:var(--accent);border:3px solid var(--surface)}
input[type=range]:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}

/* чек — вау */
.rc-wrap{margin:22px -4px 0;perspective:900px}
.rc{position:relative;background:var(--paper);color:var(--paper-ink);font:500 14px/1.5 var(--mono);padding:20px 18px 26px;border-radius:6px 6px 0 0;box-shadow:0 14px 34px rgba(0,0,0,.28);
  -webkit-mask:linear-gradient(#000 0 0) top/100% calc(100% - 10px) no-repeat,conic-gradient(from -45deg at 50% 100%,#0000 25%,#000 0 75%,#0000 0) bottom/16px 10px repeat-x;
  mask:linear-gradient(#000 0 0) top/100% calc(100% - 10px) no-repeat,conic-gradient(from -45deg at 50% 100%,#0000 25%,#000 0 75%,#0000 0) bottom/16px 10px repeat-x;
  transform-origin:top center;animation:print 1.1s cubic-bezier(.2,.8,.2,1) both}
@keyframes print{from{clip-path:inset(0 0 100% 0);transform:translateY(-14px)}to{clip-path:inset(0 0 0 0);transform:none}}
.rc .hd{text-align:center;border-bottom:1px dashed var(--paper-soft);padding-bottom:10px;margin-bottom:10px}
.rc .hd b{display:block;font-size:16px;letter-spacing:.14em}
.rc .hd small{color:var(--paper-soft);font-size:12px}
.rc .ln{display:flex;justify-content:space-between;gap:10px}
.rc .ln span:first-child{min-width:0}.rc .ln{align-items:flex-end}
.rc .ln b{font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.rc .ln.zero{color:var(--paper-soft)}
.rc .ln.flash b{animation:flash .5s}
@keyframes flash{0%{background:#d9f08a}100%{background:transparent}}
.rc .sum{border-top:1px dashed var(--paper-soft);margin-top:10px;padding-top:10px}
.rc .back{margin-top:12px;border-top:2px solid var(--paper-ink);padding-top:12px;font-family:var(--body)}
.rc .back span{display:block;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--paper-soft)}
.rc .back b{display:block;font:800 clamp(40px,12vw,56px)/1.05 var(--body);letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:#3f6100}
.rc .stamp{position:absolute;right:12px;top:12px;border:3px solid #c2410c;color:#c2410c;font:800 15px/1 var(--body);padding:6px 8px;border-radius:8px;transform:rotate(9deg);opacity:.85;animation:stamp .5s 1s both}
@keyframes stamp{from{opacity:0;transform:rotate(9deg) scale(2.2)}to{opacity:.85;transform:rotate(9deg) scale(1)}}
.rc .msg{margin-top:10px;font:600 13px/1.4 var(--body);color:#8a4b00;background:#fff1cf;border-radius:8px;padding:8px 10px}
.rc.below .back b{color:var(--paper-soft)}
.calc-honest{font-size:13px;color:var(--ink-soft);margin:16px 2px 0}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:16px}
.btn{border:0;border-radius:14px;padding:14px 20px;font-weight:800;font-size:16px;background:var(--accent);color:var(--accent-ink);min-height:50px;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;flex:1 1 auto}

/* условия */
.cond{margin:34px 0 0}
.cond .sub,.doors .sub{color:var(--ink-soft);margin:0 0 12px}
.cond ol{margin:0;padding:0;list-style:none;counter-reset:c}
.cond li{counter-increment:c;position:relative;padding:12px 0 12px 42px;border-top:1px solid var(--line)}
.cond li::before{content:counter(c);position:absolute;left:0;top:12px;width:28px;height:28px;border-radius:50%;background:var(--chip-on);color:var(--accent);font-weight:800;display:grid;place-items:center;font-size:14px}
.cond .more{margin:14px 0 0;padding:12px 14px;border-left:3px solid var(--accent);background:var(--chip);border-radius:0 12px 12px 0;font-weight:600}

/* двери */
.doors{margin:34px 0 0}
.doors ul{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:10px}
.fold{margin-top:10px}
.fold summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:52px;padding:12px 16px;border:1px dashed var(--line);border-radius:16px;font-weight:700;color:var(--ink)}
.fold summary::-webkit-details-marker{display:none}
.fold summary::after{content:"+";color:var(--accent);font-size:22px;font-weight:800;line-height:1}
.fold[open] summary::after{content:"–"}
.fold[open] summary{border-style:solid;border-color:var(--accent)}
.fold[open]>ul,.fold[open]>p{animation:rise .35s both}
.src .fold p{margin:10px 2px 0}
.door{display:grid;grid-template-columns:44px 1fr 18px;gap:12px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:16px;background:var(--surface);text-decoration:none;min-height:72px;transition:border-color .15s,transform .15s}
.door:hover,.door:focus-visible{border-color:var(--accent);transform:translateY(-1px);outline:none}
.door .ic{width:44px;height:44px;border-radius:12px;overflow:hidden;display:block}
.door .ic img,.door .ic svg{width:44px;height:44px;display:block;border-radius:12px}
.door b{display:block;font-size:17px}
.door small{display:block;color:var(--ink-soft);font-size:14px;line-height:1.35}
.door .ar{color:var(--accent);font-weight:800}

.src{margin:34px 0 0}
.src p{color:var(--ink-soft);font-size:14px;margin:0 0 8px}
.src a{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px;display:inline-block;padding:6px 0}
.honest{font-size:13px;color:var(--ink-soft)}

.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:99px;font-weight:700;opacity:0;transition:opacity .3s;pointer-events:none;z-index:50}
.toast.on{opacity:1}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

footer.sw{text-align:center;padding:28px 0 64px;font-size:15px;color:var(--ink-soft)}
footer.sw a{display:inline-block;padding:8px 4px;text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}

@media (max-width:380px){.two{grid-template-columns:1fr}.grid{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}