/* ==========================================================================
   SpreadRadar — design system v2
   Идея: «табло обменника» (split-flap) + 3D-фон из монет и купюр.
   ========================================================================== */
:root{
  /* light */
  --ground:#e9efec; --ground2:#dfe7e3;
  --surface:#ffffff; --surface2:#f4f7f5; --surface3:#eaf0ed;
  --line:#d6dfdb; --line2:#c3cfca;
  --ink:#0b1a16; --ink2:#2c3d38; --muted:#5f716b; --dim:#8a9a95;
  --accent:#0f9d76; --accent-ink:#ffffff; --accent-soft:rgba(15,157,118,.12);
  --gold:#e8a317;
  --pos:#0c9464; --neg:#dc3d4b; --warn:#b97906;
  --pos-soft:rgba(12,148,100,.1); --neg-soft:rgba(220,61,75,.1);
  --board:#0d1512; --board2:#16211d; --board-ink:#f3f7f5; --board-line:#26332e; --board-dim:#7f928b;
  --shadow:0 1px 0 rgba(11,26,22,.04),0 8px 24px -12px rgba(11,26,22,.18);
  --shadow-lg:0 30px 60px -30px rgba(11,26,22,.35);
  --glass:rgba(255,255,255,.72);
  --r:14px; --r-sm:9px; --maxw:1280px;
  --display:'Unbounded',ui-sans-serif,system-ui,sans-serif;
  --sans:'Onest',ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ground:#070d0b; --ground2:#0b1411;
    --surface:#0f1815; --surface2:#131e1a; --surface3:#182520;
    --line:#1f2c27; --line2:#2a3a34;
    --ink:#e7efeb; --ink2:#c3d0cb; --muted:#8b9d97; --dim:#5e706a;
    --accent:#2fd3a3; --accent-ink:#04140f; --accent-soft:rgba(47,211,163,.13);
    --pos:#35d49c; --neg:#ff6473; --warn:#f0b43c;
    --pos-soft:rgba(53,212,156,.1); --neg-soft:rgba(255,100,115,.1);
    --board:#050908; --board2:#0e1714; --board-line:#1c2824;
    --shadow:0 1px 0 rgba(0,0,0,.2),0 10px 30px -14px rgba(0,0,0,.6);
    --shadow-lg:0 30px 70px -30px rgba(0,0,0,.8);
    --glass:rgba(10,17,15,.7);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --ground:#070d0b; --ground2:#0b1411;
  --surface:#0f1815; --surface2:#131e1a; --surface3:#182520;
  --line:#1f2c27; --line2:#2a3a34;
  --ink:#e7efeb; --ink2:#c3d0cb; --muted:#8b9d97; --dim:#5e706a;
  --accent:#2fd3a3; --accent-ink:#04140f; --accent-soft:rgba(47,211,163,.13);
  --pos:#35d49c; --neg:#ff6473; --warn:#f0b43c;
  --pos-soft:rgba(53,212,156,.1); --neg-soft:rgba(255,100,115,.1);
  --board:#050908; --board2:#0e1714; --board-line:#1c2824;
  --shadow:0 1px 0 rgba(0,0,0,.2),0 10px 30px -14px rgba(0,0,0,.6);
  --shadow-lg:0 30px 70px -30px rgba(0,0,0,.8);
  --glass:rgba(10,17,15,.7);
  color-scheme:dark;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);font:15px/1.55 var(--sans);font-variant-numeric:tabular-nums;min-height:100vh;overflow-x:hidden}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
h1,h2,h3{text-wrap:balance}
h1{font:500 clamp(26px,3.4vw,40px)/1.1 var(--display);letter-spacing:-.04em;margin:0}
h2{font:600 17px/1.3 var(--sans);letter-spacing:-.01em;margin:0}
h3{font:600 13px/1.3 var(--sans);margin:0;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:20px}
.num,.mono{font-family:var(--mono);font-size:13px;letter-spacing:-.01em}
.muted{color:var(--muted)} .small{font-size:12.5px} .r{text-align:right}
.pos{color:var(--pos)} .neg{color:var(--neg)}

/* ---------- 3D background ---------- */
#bg3d{position:fixed;inset:0;z-index:0;pointer-events:none;width:100%;height:100%;opacity:0;transition:opacity 1.2s ease}
#bg3d.ready{opacity:1}
body[data-page]:not([data-page="index"]) #bg3d.ready{opacity:.55}
.bg-fade{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 0 62%,color-mix(in srgb,var(--ground) 85%,transparent) 100%)}
body[data-page]:not([data-page="index"]) .bg-fade{background:linear-gradient(180deg,transparent 0,transparent 260px,var(--ground) 520px)}
.hdr,main,.ftr{position:relative;z-index:1}

/* ---------- header ---------- */
.hdr{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:var(--glass);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid color-mix(in srgb,var(--line) 70%,transparent)}
.hdr .wrap{display:flex;align-items:center;gap:22px;height:62px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);font:600 16px/1 var(--display);letter-spacing:-.04em;white-space:nowrap}
.logo:hover{text-decoration:none}
.logo .mark{width:30px;height:30px;flex:none}
.nav{display:flex;gap:4px;flex:1;min-width:0}
.nav a{position:relative;color:var(--muted);padding:8px 12px;border-radius:999px;white-space:nowrap;font-weight:550;font-size:14px;transition:color .15s,background .15s}
.nav a:hover{color:var(--ink);background:var(--surface3);text-decoration:none}
.nav a.on{color:var(--ink);background:var(--surface)}
.nav a.on::before{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;background:var(--accent)}
.hdr-tools{display:flex;align-items:center;gap:8px}
.langs{display:flex;background:var(--surface3);border-radius:999px;padding:3px}
.langs a{color:var(--muted);padding:4px 9px;border-radius:999px;font:600 11.5px/1.4 var(--sans);letter-spacing:.04em}
.langs a.on{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
.langs a:hover{text-decoration:none;color:var(--ink)}
.icon-btn{display:grid;place-items:center;width:34px;height:34px;border-radius:999px;border:0;background:var(--surface3);color:var(--ink2);cursor:pointer}
.icon-btn:hover{color:var(--ink);background:var(--surface2)}
.icon-btn svg{width:17px;height:17px}
.burger{display:none}
.theme-dark{display:none}
:root[data-theme="dark"] .theme-dark{display:block} :root[data-theme="dark"] .theme-light{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .theme-dark{display:block}:root:not([data-theme="light"]) .theme-light{display:none}}

/* ---------- page head ---------- */
.page-head{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:end;padding-block:42px 22px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font:600 11.5px/1 var(--sans);text-transform:uppercase;letter-spacing:.12em;color:var(--accent);margin-bottom:14px}
.eyebrow .live{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 var(--accent);animation:ping 2s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--accent) 60%,transparent)}80%,100%{box-shadow:0 0 0 8px transparent}}
.page-head p{color:var(--muted);margin:12px 0 0;max-width:62ch;font-size:16px}
.demo-note{display:none;align-items:center;gap:10px;font-size:13px;color:var(--warn);background:color-mix(in srgb,var(--warn) 10%,var(--surface));border:1px solid color-mix(in srgb,var(--warn) 30%,transparent);padding:8px 12px;border-radius:var(--r-sm);margin-bottom:14px}
.is-demo .demo-note{display:flex}

/* ---------- surfaces ---------- */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin:0 0 16px;box-shadow:var(--shadow)}
.panel-h{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.panel-h .hint{font-size:12.5px;color:var(--muted);max-width:60ch}

/* toolbar */
.toolbar{display:flex;flex-wrap:wrap;gap:14px 18px;align-items:flex-end;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;margin:0 0 16px;box-shadow:var(--shadow)}
.toolbar .grow{flex:1}
.fld{display:flex;flex-direction:column;gap:6px;min-width:0}
.fld>span,label>span.lbl{white-space:nowrap;font:600 11px/1 var(--sans);text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
label{display:flex;flex-direction:column;gap:6px;min-width:0}
label>span.lbl{display:block}
.fld.w-sm{min-width:120px;max-width:170px} .fld.w-md{width:170px} .fld.w-lg{width:210px}
input,select{height:38px;background:var(--surface2);border:1px solid var(--line);color:var(--ink);border-radius:var(--r-sm);padding:0 12px;font:500 14px var(--sans);width:100%;min-width:0;outline:none;transition:border-color .15s,background .15s}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238a9a95' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:30px}
input:hover,select:hover{border-color:var(--line2)}
input:focus,select:focus{border-color:var(--accent);background:var(--surface)}
input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent)}
.seg{display:inline-flex;background:var(--surface3);border-radius:var(--r-sm);padding:3px;gap:2px}
.seg button{height:32px;background:none;border:0;color:var(--muted);padding:0 13px;border-radius:7px;font:600 13px var(--sans);cursor:pointer;white-space:nowrap}
.seg button:hover{color:var(--ink)}
.seg button.on{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;height:38px;background:var(--ink);color:var(--surface);border:0;border-radius:var(--r-sm);padding:0 16px;font:600 13.5px var(--sans);cursor:pointer;white-space:nowrap;transition:transform .1s}
.btn:hover{text-decoration:none;opacity:.92}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:var(--surface);color:var(--ink);box-shadow:inset 0 0 0 1px var(--line2)}
.btn.ghost:hover{box-shadow:inset 0 0 0 1px var(--ink)}
.btn.sm{height:28px;padding:0 10px;font-size:12px;background:var(--surface3);color:var(--ink)}
.btn.sm:hover{background:var(--accent);color:var(--accent-ink)}
.btn svg{width:15px;height:15px}
.toggle{flex-direction:row;align-items:center;gap:8px;font:500 13px var(--sans);color:var(--ink2);cursor:pointer;height:38px}

/* exchange toggles */
.exs{display:flex;flex-wrap:wrap;gap:6px}
.chip{display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 11px 0 4px;background:var(--surface2);border:1px solid var(--line);color:var(--dim);border-radius:999px;font:600 12.5px var(--sans);cursor:pointer;transition:.15s}
.chip .mg{filter:grayscale(1);opacity:.5;transition:.15s}
.chip.on{color:var(--ink);border-color:var(--line2);background:var(--surface)}
.chip.on .mg{filter:none;opacity:1}
.chip:hover{border-color:var(--line2)}
.mg{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;font:700 9.5px/1 var(--sans);letter-spacing:-.02em;color:#fff;flex:none;background:var(--c,#555)}
.mg.sq{border-radius:6px;width:22px;height:22px}
.status{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);width:100%;flex-wrap:wrap}
.status .demo{color:var(--warn);font-weight:600}
.dot{width:8px;height:8px;border-radius:50%;background:var(--pos)}
.dot.warn{background:var(--warn)} .dot.err{background:var(--neg)}

/* ---------- split-flap board (фирменный элемент) ---------- */
.board{background:var(--board);color:var(--board-ink);border-radius:18px;padding:18px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;border:1px solid var(--board-line)}
.board::after{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(255,255,255,.018) 0 1px,transparent 1px 3px)}
.board-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px;font:600 11px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--board-dim)}
.board-head b{color:var(--board-ink);letter-spacing:.08em}
.board-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.bcell{background:var(--board2);border:1px solid var(--board-line);border-radius:12px;padding:12px 14px 13px;min-width:0}
.bcell .k{font:600 10.5px/1.2 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--board-dim)}
.bcell .s{font-size:12px;color:var(--board-dim);margin-top:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bcell .s b{color:var(--board-ink);font-weight:600}
.flap{display:flex;gap:3px;margin-top:9px;align-items:flex-end}
.flap .ch{position:relative;display:inline-grid;place-items:center;min-width:.66em;height:1.36em;padding:0 .06em;font:700 clamp(20px,2.3vw,28px)/1 var(--mono);color:var(--board-ink);background:linear-gradient(180deg,#1d2a25 0 49.5%,#141e1a 50.5% 100%);border-radius:4px;box-shadow:inset 0 -1px 0 rgba(0,0,0,.4)}
.flap .ch::after{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:rgba(0,0,0,.55)}
.flap .ch.sep{background:none;box-shadow:none;min-width:.3em;padding:0}
.flap .ch.sep::after{display:none}
.flap .ch.flip{animation:flip .38s cubic-bezier(.3,.7,.4,1)}
@keyframes flip{0%{transform:rotateX(0)}45%{transform:rotateX(88deg);filter:brightness(.6)}55%{transform:rotateX(-88deg)}100%{transform:rotateX(0)}}
.flap .unit{font:600 12px/1 var(--sans);color:var(--board-dim);margin-left:6px;padding-bottom:4px}
.flap.pos .ch{color:#5ef0b8} .flap.neg .ch{color:#ff8791} .flap.gold .ch{color:#ffc857}

/* ---------- tables ---------- */
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin-inline:-18px;padding-inline:0}
table{width:100%;border-collapse:separate;border-spacing:0;font-size:13.5px}
th{position:sticky;top:0;background:var(--surface);color:var(--muted);font:600 11px/1.2 var(--sans);text-transform:uppercase;letter-spacing:.07em;text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
th:first-child,td:first-child{padding-left:18px} th:last-child,td:last-child{padding-right:18px}
th.sortable{cursor:pointer;user-select:none} th.sortable:hover{color:var(--ink)}
th.asc::after,th.desc::after{content:"";display:inline-block;margin-left:5px;border:4px solid transparent;vertical-align:middle}
th.desc::after{border-top-color:var(--accent);margin-top:4px} th.asc::after{border-bottom-color:var(--accent);margin-top:-4px}
td{padding:11px 12px;border-bottom:1px solid color-mix(in srgb,var(--line) 70%,transparent);white-space:nowrap;vertical-align:middle}
tbody tr{transition:background .12s}
tbody tr:hover td{background:var(--surface2)}
tbody tr:last-child td{border-bottom:0}
td.num{font-size:13px}
td.empty,.empty{color:var(--muted);text-align:center;padding:36px 12px;white-space:normal}
sup{color:var(--warn);font:600 9.5px var(--sans);margin-left:2px}
.pill{display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:999px;font:600 12px var(--mono)}
.pill.pos{background:var(--pos-soft)} .pill.neg{background:var(--neg-soft)}
.exn{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--ink)}
a.exn:hover{text-decoration:none;color:var(--accent)}
.tag{display:inline-block;font-size:11.5px;padding:2px 7px;margin:1px 4px 1px 0;border-radius:6px;background:var(--surface3);color:var(--ink2)}
td.pays{white-space:normal;min-width:200px;max-width:340px}
.leg{display:flex;align-items:center;gap:8px}
.leg .meta{display:flex;flex-direction:column;line-height:1.25}
.leg .meta small{font:500 11px var(--mono);color:var(--dim)}
.coin{display:inline-flex;align-items:center;gap:9px;font-weight:700}
.coin i{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;font:700 10px var(--sans);font-style:normal;color:#fff;background:var(--c)}
.coin small{font:500 11px var(--sans);color:var(--dim)}
.matrix th,.matrix td{text-align:right}
.matrix th:first-child,.matrix tbody th{text-align:left;position:sticky;left:0;z-index:1;background:var(--surface)}
.matrix tbody th{color:var(--ink);text-transform:none;letter-spacing:0;font-size:13px;border-bottom:1px solid color-mix(in srgb,var(--line) 70%,transparent)}
td.heat{position:relative}
td.heat::before{content:"";position:absolute;inset:3px;border-radius:6px;opacity:calc(var(--a) * .9);background:var(--hc)}
td.heat span{position:relative}
.note{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink2);background:var(--surface2);border-radius:var(--r-sm);padding:10px 12px;margin-top:14px}
.note svg{flex:none;width:16px;height:16px;margin-top:2px;color:var(--warn)}
.more{display:flex;justify-content:center;margin-top:12px}

/* ---------- calculators ---------- */
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:16px}
.grid2>.panel{margin:0}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.fields{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.calc-out{margin-top:16px;border-top:1px dashed var(--line2);padding-top:10px}
.kv{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding:6px 0}
.kv span{color:var(--muted);font-size:14px}
.kv b{font:600 14px var(--mono)}
.kv.total{margin-top:6px;padding-top:12px;border-top:1px solid var(--line)}
.kv.total b{font:600 22px/1 var(--display);letter-spacing:-.03em}
.kv.big b{font:600 24px/1.1 var(--display);letter-spacing:-.03em}

/* ---------- home ---------- */
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:center;padding-block:56px 40px;min-height:min(640px,78vh)}
.hero h1{font-size:clamp(30px,4.1vw,54px);line-height:1.06}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p.lead{font-size:18px;color:var(--ink2);max-width:46ch;margin:20px 0 28px}
.hero .cta{display:flex;gap:10px;flex-wrap:wrap}
.hero .btn{height:46px;padding:0 20px;font-size:15px;border-radius:12px}
.hero .btn.primary{background:var(--accent);color:var(--accent-ink)}
.facts{display:grid;grid-template-columns:repeat(4,auto);justify-content:start;gap:12px 34px;margin-top:36px}
.facts div{display:flex;flex-direction:column}
.facts b{font:600 26px/1 var(--display);letter-spacing:-.04em}
.facts span{font-size:12.5px;color:var(--muted);margin-top:6px}
.hero .board-grid{grid-template-columns:1fr 1fr}
.board-rows{display:flex;flex-direction:column;gap:1px;margin-top:12px;background:var(--board-line);border-radius:12px;overflow:hidden;border:1px solid var(--board-line)}
.brow{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:10px;align-items:center;background:var(--board2);padding:9px 14px;font:500 13px var(--mono);color:var(--board-ink)}
.brow.h{font:600 10.5px var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--board-dim);padding-block:8px}
.brow span:not(:first-child){text-align:right}
.brow .up{color:#5ef0b8} .brow .dn{color:#ff8791}

.tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,360px),1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden;margin:18px 0 28px;box-shadow:var(--shadow)}
.tools .tool:first-child{grid-column:span 2}
@media (max-width:760px){.tools .tool:first-child{grid-column:auto}}
.tool{display:grid;grid-template-columns:44px 1fr auto;gap:16px;align-items:center;background:var(--surface);padding:22px 22px;color:var(--ink);transition:background .15s}
.tool:hover{background:var(--surface2);text-decoration:none}
.tool .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent)}
.tool .ic svg{width:22px;height:22px}
.tool h3{font:600 16px/1.3 var(--sans);letter-spacing:-.01em;color:var(--ink);text-transform:none}
.tool p{margin:4px 0 0;font-size:13.5px;color:var(--muted)}
.tool .go{color:var(--dim);transition:transform .15s,color .15s}
.tool:hover .go{transform:translateX(4px);color:var(--accent)}
.sec-title{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-top:20px}
.sec-title h2{font:600 22px/1.2 var(--display);letter-spacing:-.03em}

/* бегущая строка */
.tape{position:relative;overflow:hidden;margin:0 0 22px;border-block:1px solid var(--line);background:var(--glass);backdrop-filter:blur(8px);-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.tape:empty{display:none}
.tape-in{display:flex;width:max-content;animation:tape 60s linear infinite}
.tape:hover .tape-in{animation-play-state:paused}
@keyframes tape{to{transform:translateX(-50%)}}
.ti{display:inline-flex;align-items:center;gap:10px;padding:11px 22px;border-right:1px solid var(--line);white-space:nowrap;font-size:13px}
.ti b{font-weight:700}
.ti .mono{font-size:12.5px;color:var(--ink2)} .ti .pos{color:var(--pos)} .ti .neg{color:var(--neg)}

/* появление блоков */
@keyframes rise{from{opacity:.001;transform:translateY(10px)}to{opacity:1;transform:none}}
.hero>*,.page-head,.toolbar,.board,.panel,.tools{animation:rise .6s cubic-bezier(.2,.7,.2,1) both}
.hero>*:nth-child(2),.board{animation-delay:.08s}
.panel{animation-delay:.14s}
.board{box-shadow:var(--shadow-lg),0 0 0 1px rgba(255,255,255,.02) inset,0 40px 80px -40px color-mix(in srgb,var(--accent) 45%,transparent)}

/* ---------- seo ---------- */
.seo{display:grid;grid-template-columns:minmax(0,680px) minmax(0,1fr);gap:48px;margin:40px 0 10px;padding-top:34px;border-top:1px solid var(--line)}
.seo .txt h2{font:600 22px/1.25 var(--display);letter-spacing:-.03em;margin:0 0 12px}
.seo .txt h2:not(:first-child){margin-top:28px}
.seo .txt h3{font:600 16px/1.3 var(--sans);color:var(--ink);text-transform:none;letter-spacing:-.01em;margin:22px 0 6px}
.seo p,.seo li{color:var(--ink2);font-size:15px;line-height:1.7}
.seo ul{padding-left:18px}
.faq{display:flex;flex-direction:column;gap:8px;align-self:start;position:sticky;top:84px}
.faq h3{margin-bottom:6px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.faq summary{cursor:pointer;font-weight:600;color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 20px/1 var(--sans);color:var(--muted);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:10px 0 0;font-size:14px}

/* ---------- ads ---------- */
.ad-slot{margin:0 0 16px}
.ad-ph{border:1px dashed var(--line2);border-radius:var(--r);color:var(--dim);text-align:center;padding:34px;font-size:12px;background:var(--surface2)}

/* ---------- footer ---------- */
.ftr{border-top:1px solid var(--line);margin-top:40px;padding-block:28px 40px;background:var(--glass);backdrop-filter:blur(10px)}
.ftr .wrap{display:grid;grid-template-columns:1fr auto;gap:20px}
.ftr p{margin:8px 0 0;color:var(--muted);font-size:13px;max-width:60ch}
.ftr nav{display:flex;gap:6px 18px;flex-wrap:wrap;align-content:start;justify-content:flex-end}
.ftr nav a{color:var(--ink2);font-size:13.5px}
.error{color:var(--neg)}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .hero{grid-template-columns:1fr;gap:28px;min-height:0;padding-top:36px}
  .board-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid2,.grid3{grid-template-columns:minmax(0,1fr)}
  .seo{grid-template-columns:1fr;gap:24px}
  .faq{position:static}
}
@media (max-width:860px){
  .nav{display:none;position:absolute;top:62px;left:0;right:0;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--line);padding:10px 16px;box-shadow:var(--shadow-lg)}
  .nav a{padding:12px}
  .nav a.on::before{display:none}
  .nav-open .nav{display:flex}
  .burger{display:grid}
  .hdr-tools{margin-left:auto}
  .page-head{grid-template-columns:1fr;padding-block:28px 16px}
}
@media (max-width:560px){
  .wrap{padding-inline:16px}
  body{font-size:14.5px}
  .panel,.toolbar{padding:14px}
  .tbl-wrap{margin-inline:-14px}
  th:first-child,td:first-child{padding-left:14px} th:last-child,td:last-child{padding-right:14px}
  .toolbar .fld,.fld.w-sm,.fld.w-md,.fld.w-lg{width:calc(50% - 9px)}
  .toolbar .fld.full{width:100%}
  .board{padding:12px;border-radius:14px}
  .board-grid{gap:8px}
  .bcell{padding:10px}
  .flap .ch{font-size:18px}
  .brow{grid-template-columns:1.1fr 1fr 1fr .9fr;padding:8px 10px;font-size:12px}
  .ftr .wrap{grid-template-columns:1fr}
  .facts{grid-template-columns:repeat(2,auto);gap:14px 40px}
  .hero .cta .btn{flex:1}
  .ftr nav{justify-content:flex-start}
  .langs a{padding:4px 7px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}
@media (max-width:760px){
  body[data-page="index"] #bg3d.ready{opacity:.45}
  body[data-page]:not([data-page="index"]) #bg3d.ready{opacity:.35}
}

/* ---------- логотипы бирж, иконки монет, флаги валют ---------- */
/* Картинка ложится поверх цветной монограммы: если файл не загрузится,
   скрипт удалит img и снизу останется прежняя монограмма. */
.mg{position:relative;overflow:hidden}
.mg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.coin i{position:relative;overflow:hidden}
.coin i img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.flag{width:18px;height:13.5px;flex:none;border-radius:2.5px;object-fit:cover;box-shadow:0 0 0 1px color-mix(in srgb,var(--line) 80%,transparent);vertical-align:-2px}
.fiat{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.board .flag{box-shadow:0 0 0 1px rgba(255,255,255,.18)}

/* ---------- компактный выпадающий список (вместо системного select) ---------- */
.picker{position:relative;display:block}
.picker-btn{display:flex;align-items:center;gap:8px;width:100%;height:38px;padding:0 10px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);color:var(--ink);font:600 14px var(--sans);cursor:pointer;text-align:left}
.picker-btn:hover{border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}
.picker.open .picker-btn{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}
.picker-cur{display:flex;align-items:center;gap:8px;flex:1;min-width:0}
.picker-cur span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.picker-caret{width:15px;height:15px;flex:none;color:var(--dim);transition:transform .15s}
.picker.open .picker-caret{transform:rotate(180deg)}
.picker-pop{position:absolute;z-index:40;top:calc(100% + 5px);left:0;min-width:100%;width:max-content;max-width:280px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);box-shadow:var(--shadow-lg);padding:5px;overflow:hidden}
.picker-search{width:100%;height:32px;margin-bottom:5px;padding:0 9px;border:1px solid var(--line);border-radius:7px;background:var(--surface2);color:var(--ink);font:500 13px var(--sans);outline:none}
.picker-search:focus{border-color:var(--accent)}
.picker-list{max-height:270px;overflow-y:auto;overscroll-behavior:contain}
.picker-item{display:flex;align-items:center;gap:8px;width:100%;padding:7px 9px;border:0;border-radius:7px;background:none;color:var(--ink);font:600 13.5px var(--sans);cursor:pointer;text-align:left}
.picker-item.hl{background:var(--surface3)}
.picker-item.on{color:var(--accent)}
.picker-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.picker-empty{padding:10px;color:var(--dim);font-size:13px;text-align:center}
.picker.up .picker-pop{top:auto;bottom:calc(100% + 5px)}

/* ---------- обучающий раздел и FAQ вверху страницы ---------- */
.faq-top{margin:0 0 22px;padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.faq-top>h2{font:600 18px/1.2 var(--display);letter-spacing:-.02em;margin:0 0 10px}
.faq-top .faq{display:block}
.faq-top details{border-bottom:1px solid color-mix(in srgb,var(--line) 70%,transparent)}
.faq-top details:last-child{border-bottom:0}
.faq-top summary{cursor:pointer;padding:11px 0;font:600 14.5px/1.4 var(--sans);color:var(--ink);list-style:none;display:flex;align-items:center;gap:10px}
.faq-top summary::-webkit-details-marker{display:none}
.faq-top summary::before{content:"+";flex:none;width:18px;height:18px;display:grid;place-items:center;border-radius:5px;background:var(--accent-soft);color:var(--accent);font:700 13px/1 var(--mono)}
.faq-top details[open] summary::before{content:"–"}
.faq-top details p{margin:0 0 12px 28px;font-size:14px;color:var(--ink2);line-height:1.6}

.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:6px 0 2px;font-size:13px;color:var(--dim)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--accent)}

.article .txt{max-width:760px}
.article .txt h2{margin:30px 0 10px;font:600 23px/1.25 var(--display);letter-spacing:-.025em}
.article .txt p,.article .txt li{font-size:15.5px;line-height:1.7}
.article .txt ol{margin:10px 0 10px 20px}
.article .txt ol li{margin:6px 0}

figure.shot{margin:22px 0;max-width:100%}
figure.shot img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);background:var(--surface2)}
figure.shot figcaption{margin-top:8px;font-size:12.5px;color:var(--dim);line-height:1.45}

.tools.guides{grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr))}
.tools.guides .tool{grid-template-columns:1fr auto}
.tools.guides .tool:first-child{grid-column:auto}