/* LISC.WORLD — основа стекла. Общая для вариантов A, B, C. */
:root{
  --bg:#0B0D10; --ink:#EDEAE4; --muted:#A6A29A;
  --gold:#D6AE55; --gold-soft:rgba(214,174,85,.22);
  --glass:rgba(255,255,255,.055); --glass-2:rgba(255,255,255,.085); --glass-3:rgba(255,255,255,.12);
  --edge:rgba(255,255,255,.26); --edge-soft:rgba(255,255,255,.12);
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease:cubic-bezier(.16,1,.3,1);
  --blur:22px;
}
html[data-theme="light"]{
  --bg:#F2E7D6; --ink:#242220; --muted:#5C574E;
  --gold:#A87C22; --gold-soft:rgba(168,124,34,.18);
  --glass:rgba(255,255,255,.42); --glass-2:rgba(255,255,255,.62); --glass-3:rgba(255,255,255,.78);
  --edge:rgba(255,255,255,.75); --edge-soft:rgba(38,38,38,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-feature-settings:"cv01","ss03";
  line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(1200px 700px at 74% -10%, rgba(214,174,85,.18), transparent 62%),
             radial-gradient(900px 600px at 4% 104%, rgba(120,90,40,.14), transparent 60%),
             linear-gradient(180deg,transparent 45%,rgba(0,0,0,.4))}
html[data-theme="light"] body::before{
  background:radial-gradient(1100px 640px at 76% -8%, rgba(168,124,34,.22), transparent 62%),
             radial-gradient(820px 540px at 4% 106%, rgba(120,90,40,.10), transparent 60%)}
.wrap{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:0 26px}

/* ---------- стекло ---------- */
.glass{position:relative;border-radius:22px;border:1px solid var(--edge);
  background:
    linear-gradient(180deg, rgba(255,255,255,.16), rgba(255,255,255,.04) 42%, rgba(255,255,255,.02)),
    var(--glass);
  backdrop-filter:blur(var(--blur)) saturate(185%) brightness(1.06);
  -webkit-backdrop-filter:blur(var(--blur)) saturate(185%) brightness(1.06);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.55),
    inset 0 -22px 40px rgba(255,255,255,.05),
    inset 0 0 42px rgba(255,255,255,.06),
    0 1px 0 rgba(255,255,255,.10),
    0 24px 60px rgba(0,0,0,.45);}
.glass::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(420px 220px at var(--mx,50%) var(--my,0%), rgba(255,255,255,.20), transparent 62%);
  opacity:.9;transition:opacity .3s}
.glass::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.10);
  background:linear-gradient(135deg,rgba(255,255,255,.22),transparent 34%,transparent 66%,rgba(255,255,255,.10))}

/* ---------- кнопки ---------- */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:58px;padding:0 32px;border-radius:9999px;font:inherit;font-size:15px;font-weight:510;
  letter-spacing:.01em;text-decoration:none;cursor:pointer;border:1px solid var(--edge);
  color:var(--ink);overflow:hidden;
  background:
    linear-gradient(180deg, rgba(255,255,255,.22), rgba(255,255,255,.06) 46%, rgba(255,255,255,.03)),
    var(--glass-2);
  backdrop-filter:blur(26px) saturate(200%) brightness(1.08);
  -webkit-backdrop-filter:blur(26px) saturate(200%) brightness(1.08);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.75),
    inset 0 -18px 30px rgba(255,255,255,.06),
    inset 0 0 24px rgba(255,255,255,.10),
    0 1px 0 rgba(255,255,255,.14),
    0 18px 44px rgba(0,0,0,.45);
  transition:transform .18s var(--ease),box-shadow .3s var(--ease),background .3s}
.btn::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(160px 90px at var(--mx,50%) var(--my,20%), rgba(255,255,255,.55), transparent 60%);
  opacity:.65;transition:opacity .3s}
.btn::after{content:"";position:absolute;left:8%;right:8%;top:1px;height:44%;border-radius:9999px;
  background:linear-gradient(180deg, rgba(255,255,255,.55), rgba(255,255,255,0));
  filter:blur(.4px);opacity:.75;pointer-events:none}
.btn:hover{transform:translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.9),
    inset 0 -18px 30px rgba(255,255,255,.08),
    inset 0 0 30px rgba(255,255,255,.14),
    0 22px 54px rgba(0,0,0,.5),
    0 0 60px var(--gold-soft)}
.btn:active{transform:scale(.97)}
.btn-gold{border-color:rgba(214,174,85,.55);color:#FFF7E8;
  background:
    linear-gradient(180deg, rgba(214,174,85,.42), rgba(214,174,85,.18) 50%, rgba(214,174,85,.10)),
    var(--glass-2);
  box-shadow:
    inset 0 1px 0 rgba(255,244,220,.85),
    inset 0 -20px 34px rgba(120,80,20,.30),
    inset 0 0 26px rgba(255,220,160,.16),
    0 18px 44px rgba(0,0,0,.45),
    0 0 70px rgba(214,174,85,.28)}
html[data-theme="light"] .btn-gold{color:#2B2008}

/* ---------- шапка ---------- */
header{position:fixed;top:0;left:0;right:0;z-index:40;transition:background .3s,border-color .3s}
header.solid{background:color-mix(in srgb,var(--bg) 76%, transparent);
  backdrop-filter:blur(18px) saturate(150%);border-bottom:1px solid var(--edge-soft)}
.bar{display:flex;align-items:center;gap:18px;height:78px}
.brand{display:flex;align-items:center;gap:11px;font-size:16px;font-weight:510;letter-spacing:-.01em}
.mark{position:relative;width:28px;height:28px;border-radius:50%;border:1px solid var(--gold);flex:0 0 auto}
.mark::after{content:"";position:absolute;inset:7px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 20px var(--gold-soft)}
nav{display:flex;gap:26px;margin-left:auto;font-size:13.5px}
nav a{color:var(--muted);text-decoration:none;transition:color .18s}
nav a:hover{color:var(--ink)}
.tools{display:flex;gap:8px;align-items:center}
.chip{height:40px;padding:0 15px;border-radius:9999px;font:inherit;font-size:12.5px;letter-spacing:.05em;
  color:var(--ink);cursor:pointer;border:1px solid var(--edge-soft);
  background:linear-gradient(180deg,rgba(255,255,255,.16),rgba(255,255,255,.04)),var(--glass);
  backdrop-filter:blur(18px) saturate(160%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 8px 22px rgba(0,0,0,.3);
  transition:transform .15s var(--ease),background .2s}
.chip:hover{background:var(--glass-2)}
.chip:active{transform:scale(.97)}

/* ---------- первый экран ---------- */
.hero{position:relative;min-height:100svh;display:grid;grid-template-columns:1.618fr 1fr;
  gap:56px;align-items:center;padding:130px 0 90px}
.geo{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}
.geo .flower{position:absolute;right:-10%;top:-16%;width:min(780px,88vw);opacity:.15;
  animation:spin 200s linear infinite}
.geo .arc{position:absolute;left:-8%;bottom:-34%;width:min(640px,82vw);opacity:.13;
  animation:breathe 9s ease-in-out infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes breathe{0%,100%{transform:scale(1);opacity:.11}50%{transform:scale(1.035);opacity:.18}}
.hero-copy{position:relative;z-index:3;max-width:660px}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:11.5px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--muted);margin-bottom:26px}
.eyebrow i{width:36px;height:1px;background:linear-gradient(90deg,transparent,var(--gold))}
h1{font-family:var(--serif);font-weight:400;font-size:clamp(40px,6.2vw,80px);line-height:1.01;
  letter-spacing:-.03em;margin-bottom:24px}
h1 em{font-style:italic;color:var(--gold)}
.sub{font-size:clamp(15px,1.35vw,18.5px);color:var(--muted);max-width:54ch;margin-bottom:38px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}

/* ---------- панель фактов ---------- */
.facts{padding:32px 28px;display:grid;gap:18px}
.fact{display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  padding-bottom:16px;border-bottom:1px solid var(--edge-soft)}
.fact:last-child{border-bottom:none;padding-bottom:0}
.fact span{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.fact b{font-family:var(--mono);font-weight:400;font-size:17px}
.fact b.gold{color:var(--gold)}

/* ---------- секции ---------- */
section{position:relative;z-index:2}
.corridors{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:24px 0 8px}
.card{padding:32px 28px;border-radius:22px}
.card .num{font-family:var(--mono);font-size:11.5px;color:var(--gold);letter-spacing:.3em;margin-bottom:16px}
.card h3{font-size:18px;font-weight:510;margin-bottom:10px}
.card p{font-size:14px;color:var(--muted)}
.card a.link{display:inline-flex;gap:8px;margin-top:20px;font-size:13.5px;color:var(--gold);text-decoration:none}
.card a.link::after{content:"→";transition:transform .2s var(--ease)}
.card a.link:hover::after{transform:translateX(4px)}

.gate{margin:76px 0;padding:54px;border-radius:26px;display:grid;grid-template-columns:1.1fr 1fr;
  gap:48px;align-items:start}
.gate h2{font-family:var(--serif);font-weight:400;font-size:clamp(26px,3.4vw,42px);line-height:1.08;
  letter-spacing:-.02em;margin-bottom:16px}
.gate p{color:var(--muted);font-size:15px;max-width:44ch}
.gate ul{list-style:none;display:grid;gap:12px;margin-top:24px}
.gate li{display:flex;gap:12px;font-size:14px;color:var(--muted)}
.gate li::before{content:"";flex:0 0 auto;width:5px;height:5px;margin-top:9px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 12px var(--gold-soft)}
form{display:grid;gap:14px}
label{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
input,select{width:100%;height:52px;padding:0 16px;border-radius:14px;border:1px solid var(--edge-soft);
  background:var(--glass);color:var(--ink);font:inherit;font-size:15px;
  backdrop-filter:blur(14px) saturate(160%);box-shadow:inset 0 1px 0 rgba(255,255,255,.24)}
input:focus,select:focus{outline:2px solid var(--gold);outline-offset:1px}
.hint{font-size:12px;color:var(--muted)}
.ok{display:none;padding:14px 16px;border-radius:14px;border:1px solid var(--gold);font-size:14px;
  background:var(--gold-soft)}
.ok.show{display:block}

footer{position:relative;z-index:2;border-top:1px solid var(--edge-soft);margin-top:34px;
  padding:32px 0 48px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  align-items:center;font-size:12.5px;letter-spacing:.05em;color:var(--muted)}
footer a{color:var(--muted);text-decoration:none}
footer a:hover{color:var(--ink)}

dialog{border:none;background:transparent;padding:0;max-width:440px;width:92vw}
dialog::backdrop{background:rgba(5,7,9,.66);backdrop-filter:blur(8px)}
.sheet{border-radius:24px;padding:30px}
.sheet h3{font-size:19px;font-weight:510;margin-bottom:10px}
.sheet p{font-size:14px;color:var(--muted);margin-bottom:20px}
.sheet .row{display:grid;gap:10px}

@media (max-width:960px){
  :root{--blur:12px}
  .hero{grid-template-columns:1fr;min-height:auto;padding:118px 0 56px;gap:34px}
  .corridors{grid-template-columns:1fr;gap:14px}
  .gate{grid-template-columns:1fr;padding:30px;gap:26px;margin:46px 0}
  nav{display:none}
  .bar{height:68px}
  .geo .flower{right:-46%;top:-4%;opacity:.12}
  .btn{height:54px;width:100%;padding:0 24px}
  .cta-row{flex-direction:column;align-items:stretch}
  .glass{backdrop-filter:blur(10px) saturate(150%);background:var(--glass-3)}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}