:root {
  --paper: #f7f7fb;
  --ink: #2e2178;
  --ink-2: rgba(46, 33, 120, .68);
  --ink-3: rgba(46, 33, 120, .3);
  --grid-1: rgba(46, 33, 120, .05);
  --grid-2: rgba(46, 33, 120, .11);
  --accent: #836fff;
  --accent-soft: rgba(131, 111, 255, .12);
  --on-accent: #fff;
  --accent-2: #0fbf8f;
  --m1: #10d9a4;
  --m2: #836fff;
  --dark: #170f40;
  --dark-2: #1c1850;
  --on-dark: #e6e3ff;
  --dark-acc: #15f5ba;
  --dark-err: #ff7a9a;
  --mono: 'IBM Plex Mono', ui-monospace, Menlo, monospace;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --bar-h: 62px;
  --sheet: #fff;
  --sheet-2: #f5f5fc;
  --sheet-3: #e6e4f7;
  --ok: #0a8f6c;
  --glare: rgba(255, 255, 255, .85);
  --fill-top: #fdfdff;
  --fill-hi: #f7f6fe;
  --fill-lo: #dcd9f2;
  --fill-bot: #e4e2f5;
  --band: #836fff;
  --band-fg: #fff;
  color-scheme: light;
}

/* ── тёмная тема: глубокий индиго, белая тушь, мятный акцент, фиолетовый второй ── */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #140f33; --ink: #eceaff; --ink-2: rgba(236, 234, 255, .72); --ink-3: rgba(236, 234, 255, .3);
    --grid-1: rgba(131, 111, 255, .07); --grid-2: rgba(131, 111, 255, .16);
    --accent: #15f5ba; --accent-soft: rgba(21, 245, 186, .13); --on-accent: #140f33; --accent-2: #836fff;
    --m1: #15f5ba; --m2: #836fff;
    --dark: #0c0924; --on-dark: #e6e3ff;
    --sheet: #1b1543; --sheet-2: #211a51; --sheet-3: #2c2367; --ok: #15f5ba; --glare: rgba(255, 255, 255, .1);
    --fill-top: #30267a; --fill-hi: #281f68; --fill-lo: #1b144e; --fill-bot: #171146;
    --band: #836fff; --band-fg: #fff;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #140f33; --ink: #eceaff; --ink-2: rgba(236, 234, 255, .72); --ink-3: rgba(236, 234, 255, .3);
  --grid-1: rgba(131, 111, 255, .07); --grid-2: rgba(131, 111, 255, .16);
  --accent: #15f5ba; --accent-soft: rgba(21, 245, 186, .13); --on-accent: #140f33; --accent-2: #836fff;
  --m1: #15f5ba; --m2: #836fff;
  --dark: #0c0924; --on-dark: #e6e3ff;
  --sheet: #1b1543; --sheet-2: #211a51; --sheet-3: #2c2367; --ok: #15f5ba; --glare: rgba(255, 255, 255, .1);
  --fill-top: #30267a; --fill-hi: #281f68; --fill-lo: #1b144e; --fill-bot: #171146;
  --band: #836fff; --band-fg: #fff;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--bar-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  color: var(--ink);
  font: 400 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-2) 1px, transparent 1px),
    linear-gradient(var(--grid-1) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-1) 1px, transparent 1px);
  background-size: 60px 60px, 60px 60px, 12px 12px, 12px 12px;
  background-position: -1px -1px;
  overflow-x: hidden;
}
a { color: inherit; }
::selection { background: var(--accent); color: var(--on-accent); }

/* ── шапка ─────────────────────────────────────────── */
.bar {
  position: sticky; top: 0; z-index: 30;
  height: var(--bar-h);
  display: flex; align-items: center; gap: 30px;
  padding: 0 28px;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border-bottom: 1.5px solid var(--ink);
}
.logo { display: flex; align-items: center; gap: 10px; font: 600 21px/1 var(--mono); letter-spacing: -.03em; text-decoration: none; }
.logo span { color: var(--accent); }
.logo svg { width: 34px; height: 21px; flex: none; }
.logo svg .m1 { fill: var(--m1); }
.logo svg .m2 { fill: var(--m2); }
nav { display: flex; gap: 24px; font: 500 12.5px var(--mono); letter-spacing: .07em; text-transform: uppercase; }
nav a { color: var(--ink-2); text-decoration: none; transition: color .2s; }
nav a:hover { color: var(--accent); }
.theme { display: grid; place-items: center; width: 38px; height: 38px; padding: 0; border: 1.5px solid var(--ink); background: transparent; color: var(--ink); cursor: pointer; transition: color .2s, border-color .2s; }
.theme:hover { color: var(--accent); border-color: var(--accent); }
.theme svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.theme .half { fill: currentColor; stroke: none; }
.sheet-ind { margin-left: auto; font: 500 11.5px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); white-space: nowrap; }
.sheet-ind b { color: var(--accent); }

.btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 15px 22px;
  border: 1.5px solid var(--ink); background: var(--ink); color: var(--paper);
  font: 600 13px/1 var(--mono); letter-spacing: .07em; text-transform: uppercase; text-decoration: none;
  transition: background .2s, border-color .2s, color .2s, transform .2s;
}
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { color: var(--accent); border-color: var(--accent); }
.btn-sm { padding: 10px 14px; font-size: 11.5px; }

/* ── листы ─────────────────────────────────────────── */
main { padding: 28px 28px 40px; }
.sheet {
  position: relative;
  max-width: 1480px; margin: 0 auto 40px;
  border: 1.5px solid var(--ink);
}
.sheet::after { content: ""; position: absolute; inset: 7px; border: .75px solid var(--ink-3); pointer-events: none; }
.sheet-tab { position: absolute; top: -1.5px; left: -1.5px; z-index: 4; display: flex; font: 500 11px/1 var(--mono); letter-spacing: .09em; text-transform: uppercase; }
.sheet-tab b { background: var(--ink); color: var(--paper); padding: 8px 12px; font-weight: 600; }
.sheet-tab span { padding: 7px 14px 7px; border: 1.5px solid var(--ink); border-left: 0; background: var(--paper); }
.sheet-body { padding: 84px 64px 64px; }

.sec-head { display: grid; grid-template-columns: 120px 1fr; gap: 24px; margin-bottom: 48px; max-width: 980px; }
.sec-no { font: 500 64px/0.9 var(--mono); color: transparent; -webkit-text-stroke: 1.2px var(--ink); letter-spacing: -.04em; }
h2 { font: 600 clamp(30px, 3.2vw, 46px)/1.08 var(--sans); letter-spacing: -.025em; margin: 0 0 14px; }
h2 em { font-style: normal; color: var(--accent); }
.sec-head p { margin: 0; font-size: 18px; color: var(--ink-2); max-width: 700px; }

/* ── лист 1: общий вид ─────────────────────────────── */
.hero { display: grid; grid-template-columns: minmax(400px, 5fr) 7fr; grid-template-areas: "text stage" "legend spec"; }
.hero-text { grid-area: text; position: relative; z-index: 3; display: flex; flex-direction: column; justify-content: center; padding: 84px 0 40px 64px; }
.kicker { display: flex; align-items: center; gap: 12px; font: 500 12px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.kicker::before { content: ""; width: 34px; height: 1.5px; background: currentColor; }
h1 { font: 600 clamp(40px, min(4.4vw, 7.6vh), 68px)/1.0 var(--sans); letter-spacing: -.035em; margin: 20px 0 22px; }
h1 em { font-style: normal; color: var(--accent); position: relative; white-space: nowrap; }
h1 em::after { content: ""; position: absolute; left: -6px; right: -6px; top: -4px; bottom: -8px; border: 1.5px solid var(--accent); border-radius: 50%; transform: rotate(-3deg); opacity: .8; }
.lead { margin: 0; font-size: 18.5px; line-height: 1.6; color: var(--ink-2); max-width: 540px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); margin: 40px 0 0; border-top: 1.5px solid var(--ink); max-width: 560px; }
.facts div { padding: 16px 16px 0 0; }
.facts div + div { padding-left: 16px; border-left: .75px solid var(--ink-3); }
.facts dt { font: 600 30px/1 var(--mono); letter-spacing: -.03em; }
.facts dt small { font-size: 13px; margin-left: 3px; letter-spacing: 0; }
.facts dd { margin: 8px 0 0; font: 400 11.5px/1.45 var(--mono); color: var(--ink-2); text-transform: uppercase; letter-spacing: .04em; }

.stage { grid-area: stage; position: relative; height: calc(100vh - var(--bar-h) - 70px); height: calc(100svh - var(--bar-h) - 70px); min-height: 480px; cursor: grab; touch-action: pan-y; user-select: none; -webkit-user-select: none; }
.stage.drag { cursor: grabbing; }
#scene { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#overlay { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
#overlay line, #overlay polyline, #overlay circle { fill: none; stroke: var(--ink); stroke-width: 1; vector-effect: non-scaling-stroke; }
#overlay .dot { fill: var(--ink); stroke: none; }
#overlay .acc { stroke: var(--accent); }
#overlay .dot.acc { fill: var(--accent); }
#overlay .on { stroke: var(--accent); }
#labels { position: absolute; inset: 0; pointer-events: none; }
.balloon {
  position: absolute; left: 0; top: 0; width: 30px; height: 30px; margin: -15px 0 0 -15px;
  display: grid; place-items: center; border: 1.5px solid var(--ink); border-radius: 50%; background: var(--paper);
  font: 600 13px var(--mono); color: var(--ink); pointer-events: auto; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, opacity .4s;
}
.balloon.on { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.balloon::after { content: attr(data-name); position: absolute; right: calc(100% + 10px); top: 50%; transform: translate(6px, -50%); padding: 5px 8px; background: var(--paper); border: .75px solid var(--accent); color: var(--accent); font: 500 11px var(--mono); letter-spacing: .04em; white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; }
.balloon.left::after { right: auto; left: calc(100% + 10px); transform: translate(-6px, -50%); }
.balloon.on::after { opacity: 1; transform: translate(0, -50%); }
.tag { position: absolute; left: 0; top: 0; font: 500 10.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; color: var(--ink); background: var(--paper); padding: 3px 6px; transition: opacity .4s; }
.tag.acc { color: var(--accent); }
.tag.big { font-size: 13px; font-weight: 600; }
.fade { opacity: 0; }

.detail { --lens: clamp(160px, min(12.5vw, 22vh), 228px); position: absolute; left: 24px; top: 52px; width: var(--lens); height: var(--lens); z-index: 3; opacity: 0; transition: opacity .8s; pointer-events: none; }
.detail.in { opacity: 1; }
.lens { position: relative; width: 100%; height: 100%; border-radius: 50%; overflow: hidden; background: var(--sheet); border: 1.5px solid var(--ink); box-shadow: inset 0 0 0 6px var(--sheet), inset 0 0 0 7px var(--ink-3), 6px 6px 0 var(--grid-2); }
.lens::after { content: ""; position: absolute; inset: 0; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle at 28% 22%, var(--glare), transparent 32%), radial-gradient(circle at 50% 50%, transparent 62%, var(--grid-2) 100%); }
.reticle { position: absolute; inset: 0; width: 100%; height: 100%; }
.reticle line { stroke: var(--ink); stroke-width: .5; }
.reticle line.big { stroke-width: .8; }
.code { position: absolute; inset: calc(var(--lens) * .088); border-radius: 50%; overflow: hidden; font: 400 calc(var(--lens) * .046)/1.43 var(--mono); color: var(--ink); white-space: pre;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 58%, transparent 70%); mask-image: radial-gradient(circle at 50% 50%, #000 58%, transparent 70%); }
.code .rows { position: absolute; left: 1.9em; right: 0; bottom: 15%; }
.code .ln { display: block; height: 1.43em; }
.code .ln.cur { background: var(--accent-soft); margin-left: -2.1em; padding-left: 2.1em; }
.code .no { display: inline-block; width: 2.12em; margin-left: -2.35em; color: var(--ink-3); font-size: .81em; }
.code .kw { font-weight: 600; }
.code .str { color: var(--ink-2); }
.code .com { color: var(--accent); }
.code .num { font-weight: 600; }
.code .nd { color: var(--accent); font-weight: 600; }
.code .ok { color: var(--ok); font-weight: 600; }
.code .caret { display: inline-block; width: .57em; height: 1.05em; margin-left: 1px; vertical-align: -.1em; background: var(--accent); animation: blink 1s steps(1) infinite; }
.detail-cap { position: absolute; top: 100%; left: -20px; right: -20px; margin-top: 10px; text-align: center; font: 500 10.5px/1.5 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.detail-cap b { color: var(--accent); }
.hint { position: absolute; left: 50%; top: 22px; transform: translateX(-50%); font: 500 10.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); pointer-events: none; }

.spec { grid-area: spec; justify-self: end; align-self: end; margin: 0 26px 26px 0; z-index: 4; border-collapse: collapse; background: var(--paper); font: 400 11.5px/1.25 var(--mono); }
.legend { grid-area: legend; align-self: end; margin: 0 0 26px 64px; max-width: 420px; font: 400 12px/1.5 var(--mono); color: var(--ink-2); }
.legend h4 { margin: 0 0 10px; font: 600 10.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink); }
.legend ul { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 6px; }
.legend li { display: flex; align-items: center; gap: 12px; }
.legend i { flex: 0 0 38px; height: 0; border-top: 1.8px solid var(--ink); }
.legend .l-dash { border-top: 1.2px dashed var(--ink-2); }
.legend .l-acc { border-top: 2px dashed var(--accent); }
.legend .l-acc2 { border-top: 2px solid var(--accent-2); }
.legend .l-axis { border-top: 1.2px dashed var(--ink-3); }
.legend p { margin: 0; }
.spec caption { caption-side: top; text-align: left; padding: 0 0 6px; font: 600 10.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.spec th, .spec td { border: .75px solid var(--ink); padding: 5px 9px; text-align: left; }
.spec th { font-size: 10px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.spec td:first-child, .spec td:nth-child(3) { text-align: center; }
.spec td:last-child { color: var(--ink-2); }
.spec tbody tr { cursor: pointer; transition: background .2s; }
.spec tbody tr.on td { background: var(--accent-soft); color: var(--accent); }

.no-webgl .hint, .no-webgl .detail { display: none; }

/* ── лист 2: карточки ──────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1.5px solid var(--ink); border-left: 1.5px solid var(--ink); }
.card { position: relative; padding: 26px 28px 34px; border-right: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); background: color-mix(in srgb, var(--paper) 55%, transparent); transition: background .3s; }
.card:hover { background: var(--paper); }
.card .pos { font: 500 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); }
.card svg { display: block; width: 100%; height: 132px; margin: 16px 0 10px; fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-linejoin: round; stroke-linecap: round; }
.card svg .acc { stroke: var(--accent); stroke-width: 1.8; }
.card svg .thin { stroke-width: 1; opacity: .7; }
.card svg .dash { stroke-dasharray: 6 5; }
.card svg .lbl { fill: var(--accent); stroke: none; font: 600 11px var(--mono); text-anchor: middle; }
.card h3 { font: 600 23px/1.2 var(--sans); letter-spacing: -.015em; margin: 0 0 10px; }
.card p { margin: 0; color: var(--ink-2); font-size: 15.5px; }
.card::after { content: "+"; position: absolute; right: 18px; top: 18px; font: 400 18px/1 var(--mono); color: var(--ink-3); transition: color .3s, transform .3s; }
.card:hover::after { color: var(--accent); transform: rotate(90deg); }

/* ── лист 2: возможности (16 живых иконок) ─────────── */
.stackline { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin: -16px 0 34px; font: 400 12px var(--mono); color: var(--ink-2); }
.stackline > span { font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.stackline ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; }
.stackline li { padding: 6px 11px; border: 1.2px solid var(--ink); background: var(--paper); font: 600 12.5px var(--mono); color: var(--ink); }
.stackline em { font-style: normal; }
.cards4 { grid-template-columns: repeat(4, 1fr); }
.cards4 .cat { grid-column: 1 / -1; display: flex; align-items: center; gap: 14px; padding: 11px 20px; border-right: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); background: var(--band); color: var(--band-fg); font: 600 11.5px var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.cards4 .cat::before { content: ""; width: 8px; height: 8px; background: var(--m1); }
.cards4 .card { padding: 20px 22px 26px; }
.cards4 .card svg { height: 112px; margin: 12px 0 8px; }
.cards4 .card h3 { font-size: 19px; }
.cards4 .card p { font-size: 14.5px; }
.card svg .fi { fill: var(--ink); stroke: none; }
.card svg .fa { fill: var(--accent); stroke: none; }
.card svg .fs { fill: var(--accent-soft); }
.card svg .fs2 { fill: var(--ink); }
.card svg .hl { fill: var(--accent-soft); stroke: none; }
.card svg .tok { fill: var(--accent); stroke: none; opacity: 0; }
.card svg .bar { fill: var(--ink); stroke: none; }
.card svg .bar.acc { fill: var(--accent); }
.card svg .dash2 { stroke-dasharray: 3 3; stroke-width: 1.4; }
.card svg .t { fill: var(--ink); stroke: none; font: 600 9.5px var(--mono); text-anchor: middle; }
.card svg .t.acc { fill: var(--accent); }
.card svg [class*="a-"] { transform-box: fill-box; transform-origin: center; }
@keyframes scan { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(50px); } }
.a-scan { animation: scan 3.2s ease-in-out infinite; }
@keyframes pop { 0%, 8% { opacity: 0; transform: scale(.6); } 18%, 86% { opacity: 1; transform: scale(1); } 100% { opacity: 0; transform: scale(1); } }
.a-pop { animation: pop 4.4s ease infinite; }
.a-pop.d2 { animation-delay: 1.1s; }
@keyframes dotb { 0%, 100% { opacity: .2; } 50% { opacity: 1; } }
.a-dot { animation: dotb 1.2s ease-in-out infinite; }
.a-dot.d1 { animation-delay: .2s; } .a-dot.d2 { animation-delay: .4s; }
@keyframes noise { 0%, 22% { opacity: 1; } 44%, 92% { opacity: 0; } 100% { opacity: 1; } }
.a-noise { animation: noise 5s ease-in-out infinite; }
@keyframes drawl { 0%, 28% { stroke-dashoffset: 1; } 62%, 92% { stroke-dashoffset: 0; } 100% { stroke-dashoffset: 1; } }
.card svg .a-drawl { stroke-dasharray: 1; animation: drawl 5s ease-in-out infinite; }
@keyframes film { to { transform: translateX(-40px); } }
.a-film { animation: film 1.6s linear infinite; transform-box: view-box !important; }
@keyframes pulse2 { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.18); } }
.a-pulse { animation: pulse2 1.6s ease-in-out infinite; }
@keyframes bar { 0%, 100% { transform: scaleY(.35); } 50% { transform: scaleY(1); } }
.a-bar { animation: bar 1.1s ease-in-out infinite; }
@keyframes sweep { 0% { transform: translateX(0); } 100% { transform: translateX(118px); } }
.a-sweep { animation: sweep 3s ease-in-out infinite alternate; }
@keyframes seq { 0% { opacity: 0; } 8%, 30% { opacity: 1; } 40%, 100% { opacity: 0; } }
.a-seq { opacity: 0; animation: seq 3s linear infinite; }
.a-seq.d1 { animation-delay: 1s; } .a-seq.d2 { animation-delay: 2s; }
@keyframes slidein { 0%, 12% { transform: translateX(80px); opacity: 0; } 38%, 80% { transform: translateX(0); opacity: 1; } 100% { transform: translateX(80px); opacity: 0; } }
.a-slidein { animation: slidein 4s ease-in-out infinite; }
@keyframes accept { 0%, 18% { opacity: 0; } 30%, 84% { opacity: 1; } 100% { opacity: 0; } }
.a-acc { animation: accept 3.2s ease infinite; }
.a-acc.d1 { animation-delay: .35s; } .a-acc.d2 { animation-delay: .7s; }
@keyframes ml { 0%, 12%, 100% { transform: translateX(0); } 45%, 75% { transform: translateX(18px); } }
@keyframes mr { 0%, 12%, 100% { transform: translateX(0); } 45%, 75% { transform: translateX(-18px); } }
.a-ml { animation: ml 3.6s ease-in-out infinite; } .a-mr { animation: mr 3.6s ease-in-out infinite; }
@keyframes pt { 0%, 6% { opacity: 0; transform: scale(.3); } 14%, 88% { opacity: 1; transform: scale(1); } 100% { opacity: 0; } }
.a-pt { animation: pt 5s ease infinite; }
@keyframes slidex { 0% { transform: translateX(0); } 100% { transform: translateX(-96px); } }
.a-slidex { animation: slidex 3.4s ease-in-out infinite alternate; }
.card:not(.in) svg * { animation-play-state: paused; }
@media (prefers-reduced-motion: reduce) { .card svg * { animation: none !important; } .card svg .tok, .card svg .a-seq { opacity: 1; } }

/* ── лист 3: расчёт стоимости ──────────────────────── */
.calc { margin: 0 0 72px; padding: 36px 40px 30px; border: 1.5px solid var(--ink); background: color-mix(in srgb, var(--paper) 70%, var(--sheet)); position: relative; }
.calc::before { content: "РАСЧЁТ"; position: absolute; top: -1.5px; right: -1.5px; padding: 6px 12px; background: var(--accent); color: var(--on-accent); font: 600 10.5px var(--mono); letter-spacing: .14em; }
.calc-head h3 { margin: 0 0 6px; font: 600 26px/1.2 var(--sans); letter-spacing: -.015em; }
.calc-head p { margin: 0 0 24px; color: var(--ink-2); }
.calc-table { width: 100%; border-collapse: collapse; font: 400 15px/1.4 var(--sans); }
.calc-table thead th { text-align: left; padding: 10px 14px; border-top: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); font: 600 11px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.calc-table thead th span { display: block; text-transform: none; letter-spacing: 0; font: 600 15px var(--sans); color: var(--ink); }
.calc-table thead th.mac, .calc-table thead th.mac span { color: var(--accent); }
.calc-table tbody th { text-align: left; padding: 12px 14px 12px 0; width: 24%; border-bottom: .75px solid var(--ink-3); font: 400 12px var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--ink-2); }
.calc-table td { padding: 12px 14px; border-bottom: .75px solid var(--ink-3); color: var(--ink-2); }
.calc-table td.mac { color: var(--ink); font-weight: 600; background: var(--accent-soft); border-left: 1.5px solid var(--accent); }
.calc-table sup, .verdict sup { color: var(--accent); font: 600 10px var(--mono); }
.calc-proof { display: grid; grid-template-columns: 1fr 1.4fr; gap: 32px; margin-top: 30px; align-items: center; }
.formula { padding: 18px 22px; border: 1px dashed var(--ink-2); font: 400 15px/2 var(--mono); }
.formula p { margin: 0; }
.formula span { display: inline-block; min-width: 92px; font-weight: 600; }
.formula b { color: var(--accent); font-size: 18px; }
.verdict { display: grid; grid-template-columns: 1fr 1fr 1.4fr; border-top: 1.5px solid var(--ink); }
.verdict div { padding: 14px 16px 0 0; }
.verdict div + div { padding-left: 16px; border-left: .75px solid var(--ink-3); }
.verdict b { display: block; font: 600 40px/1 var(--mono); letter-spacing: -.03em; color: var(--accent); }
.verdict span { display: block; margin-top: 8px; font: 400 12px/1.45 var(--mono); color: var(--ink-2); text-transform: uppercase; letter-spacing: .03em; }
.notes { margin: 28px 0 0; padding: 14px 0 0 18px; border-top: .75px solid var(--ink-3); font: 400 11.5px/1.6 var(--mono); color: var(--ink-2); }
.notes li::marker { color: var(--accent); font-weight: 600; }
.honest { margin: 16px 0 0; padding: 12px 16px; border-left: 3px solid var(--ink); background: var(--grid-1); font-size: 14.5px; color: var(--ink-2); }

/* ── подбор под задачу ─────────────────────────────── */
.tiers { margin: 0 0 56px; }
.tiers-head h3 { margin: 0 0 8px; font: 600 26px/1.2 var(--sans); letter-spacing: -.015em; }
.tiers-head p { margin: 0 0 26px; max-width: 820px; color: var(--ink-2); }
.tiers-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1.5px solid var(--ink); }
.tiers-grid article { position: relative; padding: 22px 24px 0; display: flex; flex-direction: column; background: color-mix(in srgb, var(--paper) 60%, var(--sheet)); }
.tiers-grid article + article { border-left: 1.5px solid var(--ink); }
.tiers-grid article.mid { background: var(--sheet); }
.t-no { font: 500 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); }
.tiers-grid h4 { margin: 6px 0 12px; font: 600 26px/1.1 var(--sans); letter-spacing: -.02em; }
.t-chip { align-self: flex-start; padding: 6px 10px; border: 1.2px solid var(--accent); color: var(--accent); font: 600 12px var(--mono); }
.tiers-grid dl { display: grid; grid-template-columns: 78px 1fr; gap: 8px 12px; margin: 18px 0 20px; font-size: 14.5px; }
.tiers-grid dt { font: 400 11px/1.9 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); }
.tiers-grid dd { margin: 0; color: var(--ink); }
.t-price { margin: auto -24px 0; padding: 14px 24px 16px; border-top: 1.5px solid var(--ink); display: flex; justify-content: space-between; align-items: baseline; }
.t-price span { font: 400 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.t-price b { font: 600 22px var(--mono); letter-spacing: -.02em; color: var(--accent); }
.tiers .fine { margin-top: 12px; }
.facts dt small.pre { margin: 0 4px 0 0; }

/* ── лист 4: закрытый контур, 152-ФЗ, своя модель ──── */
.secure-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; margin-bottom: 64px; }
.contour { margin: 0; }
.contour svg { display: block; width: 100%; height: auto; overflow: visible; }
.contour figcaption { margin-top: 10px; font: 400 11.5px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.contour .wall { fill: url(#wallH); stroke: var(--ink); stroke-width: 1.6; }
.contour pattern line { stroke: var(--ink); stroke-width: 1; opacity: .55; }
.contour .wall-l { fill: var(--accent); font: 600 11px var(--mono); letter-spacing: .12em; text-anchor: start; }
.contour text { fill: var(--ink); font: 600 13px var(--sans); text-anchor: middle; }
.contour .s { font: 400 10.5px var(--mono); fill: var(--ink-2); }
.contour .grp { font: 600 10.5px var(--mono); letter-spacing: .12em; text-anchor: start; fill: var(--ink-2); }
.contour .traces path { fill: none; stroke: var(--ink-3); stroke-width: 1.4; stroke-linejoin: round; }
.contour .traces .leak { stroke: var(--accent); stroke-dasharray: 3 4; opacity: .55; }
.contour .mon rect { fill: var(--sheet); stroke: var(--ink); stroke-width: 1.6; }
.contour .mon path { fill: none; stroke: var(--ink); stroke-width: 1.6; }
.contour .box rect { fill: var(--sheet); stroke: var(--ink); stroke-width: 1.6; }
.contour .box text { font-size: 12.5px; }
.contour .mac .top { fill: var(--sheet); stroke: var(--ink); stroke-width: 1.6; stroke-linejoin: round; }
.contour .mac .side { fill: var(--sheet-3); stroke: var(--ink); stroke-width: 1.6; stroke-linejoin: round; }
.contour .mac .front { fill: var(--sheet-2); stroke: var(--ink); stroke-width: 2; }
.contour .mac .det { fill: none; stroke: var(--ink); stroke-width: 1.2; }
.contour .mac .led { fill: var(--accent); }
.contour .ripple { fill: none; stroke: var(--accent); stroke-width: 1.5; opacity: 0; }
.contour .db path, .contour .db ellipse { fill: var(--sheet); stroke: var(--ink); stroke-width: 1.6; }
.contour .db .thin { fill: none; stroke-width: 1; opacity: .6; }
.contour .out { fill: none; stroke: var(--ink-3); stroke-width: 1.4; stroke-dasharray: 4 4; }
.contour .cloud path { fill: var(--sheet); stroke: var(--ink-3); stroke-width: 1.4; stroke-dasharray: 4 4; }
.contour .cloud text { fill: var(--ink-3); font: 500 11px var(--mono); }
.contour .block { opacity: 0; }
.contour .block circle { fill: var(--sheet); stroke: var(--accent); stroke-width: 2; }
.contour .block path { stroke: var(--accent); stroke-width: 2.4; stroke-linecap: round; }
.contour .board rect { fill: var(--dark); stroke: var(--ink); stroke-width: 1.5; }
.contour .board text { text-anchor: start; }
.contour .bl { fill: rgba(230, 227, 255, .55); font: 500 9.5px var(--mono); letter-spacing: .12em; }
.contour .bv { fill: var(--on-dark); font: 600 22px var(--mono); }
.contour .bv.acc { fill: var(--dark-acc); font-size: 15px; }
.contour .bs { fill: rgba(230, 227, 255, .55); font: 400 9px var(--mono); }
.c-legend { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 14px 0 0; padding: 0; font: 400 11.5px var(--mono); color: var(--ink-2); }
.c-legend li { display: flex; align-items: center; gap: 7px; }
.c-legend i { display: inline-grid; place-items: center; width: 10px; height: 10px; font-style: normal; }
.lg-req { border-radius: 50%; background: var(--ink); }
.lg-resp { border-radius: 50%; background: var(--accent-2); }
.lg-data { border: 1.4px solid var(--ink); background: var(--sheet); }
.lg-store { border: 1.4px solid var(--accent); background: var(--accent-soft); }
.lg-x { color: var(--accent); font-weight: 700; font-size: 12px; }
.contour .pk { fill: var(--ink); }
.contour .pk.resp { fill: var(--accent-2); }
.contour .pk.data { fill: var(--sheet); stroke: var(--ink); stroke-width: 1.4; }
.contour .pk.store { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 1.4; }
.contour .pk.leak { fill: var(--sheet); stroke: var(--accent); stroke-width: 2; }
.lawt { width: 100%; border-collapse: collapse; font: 400 14.5px/1.4 var(--sans); }
.lawt caption { caption-side: top; text-align: left; padding-bottom: 12px; font: 600 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.lawt th { text-align: left; padding: 9px 10px; border-top: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); font: 600 10.5px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.lawt td { padding: 12px 10px; border-bottom: .75px solid var(--ink-3); vertical-align: top; color: var(--ink); }
.lawt td:nth-child(2) { font: 500 12px/1.45 var(--mono); color: var(--ink-2); white-space: nowrap; }
.lawt td.ok, .lic td.ok { color: var(--ink); font-weight: 600; }
.lawt td.ok::before, .lic td.ok::before { content: "✓ "; color: var(--ok); }
.lawt tr:last-child td { border-bottom: 1.5px solid var(--ink); }
.fine { margin: 14px 0 0; font: 400 11.5px/1.6 var(--mono); color: var(--ink-2); }
.own { border-top: 1.5px solid var(--ink); padding-top: 34px; }
.own h3 { margin: 0 0 24px; font: 600 28px/1.2 var(--sans); letter-spacing: -.015em; }
.own-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-left: 1.5px solid var(--ink); margin-bottom: 32px; }
.own-grid > div { padding: 4px 22px 6px; border-right: .75px solid var(--ink-3); }
.own-grid b { font: 500 13px var(--mono); color: var(--accent); }
.own-grid h4 { margin: 8px 0 8px; font: 600 18px/1.25 var(--sans); }
.own-grid p { margin: 0; font-size: 14.5px; color: var(--ink-2); }
.lic { width: 100%; max-width: 860px; border-collapse: collapse; font: 400 14.5px/1.4 var(--sans); }
.lic th { text-align: left; padding: 9px 12px 9px 0; border-top: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); font: 600 10.5px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.lic td { padding: 10px 12px 10px 0; border-bottom: .75px solid var(--ink-3); }
.lic td:first-child { font: 600 14px var(--mono); }
.lic td:nth-child(3) { font: 500 13px var(--mono); }
.lic tr:last-child td { border-bottom: 1.5px solid var(--ink); }

/* ── лист 4: обучение ──────────────────────────────── */
.nn-grid { display: grid; grid-template-columns: 1.55fr 1fr; gap: 40px; align-items: center; margin-bottom: 64px; }
.nn, .lora { margin: 0; }
.nn svg, .lora svg { display: block; width: 100%; height: auto; overflow: visible; }
.nn figcaption, .lora figcaption { margin-top: 12px; font: 400 11.5px/1.5 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.lora figcaption { text-align: center; }
.lora figcaption b { color: var(--accent); }
#nn .w { stroke: var(--ink); stroke-width: .8; opacity: .26; }
#nn .wa { stroke: var(--accent); stroke-width: .9; opacity: .5; }
#nn .sig { fill: none; stroke: var(--accent); stroke-width: 2.2; stroke-linecap: round; stroke-dasharray: 7 100; stroke-dashoffset: 107; animation: sig 2.6s linear infinite; }
#nn .sig.ink { stroke: var(--ink); stroke-width: 1.8; }
@keyframes sig { to { stroke-dashoffset: 0; } }
#nn .node { fill: var(--sheet); stroke: var(--ink); stroke-width: 1.6; }
#nn .node.acc { stroke: var(--accent); fill: var(--sheet); stroke-width: 1.8; }
#nn .node.in { fill: var(--paper); }
#nn .pulse { animation: pulse 2.6s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { fill: var(--sheet); } 50% { fill: var(--accent-soft); } }
#nn text { fill: var(--ink); font: 500 12px var(--mono); }
#nn .cap { font-size: 11px; letter-spacing: .1em; text-anchor: middle; fill: var(--ink); font-weight: 600; }
#nn .sub { font-size: 10.5px; text-anchor: middle; fill: var(--ink-2); font-weight: 400; letter-spacing: .04em; }
#nn .lab { font-size: 12px; fill: var(--ink-2); }
#nn .co { fill: none; stroke: var(--ink); stroke-width: 1; }
#nn .co.acc { stroke: var(--accent); }
#nn .dot { fill: var(--ink); } #nn .dot.acc { fill: var(--accent); }
#nn .t1 { font-weight: 600; font-size: 12.5px; letter-spacing: .06em; text-transform: uppercase; }
#nn .t1.acc { fill: var(--accent); }
#nn .t2 { font-size: 11px; fill: var(--ink-2); }
#nn .dimln { fill: none; stroke: var(--ink); stroke-width: .9; }

.lora .frame { fill: none; stroke: var(--ink-3); stroke-width: 1; stroke-dasharray: 3 4; }
.lora .pen, .lora .vec, .lora .sum { fill: none; stroke: var(--ink); stroke-width: 1.6; }
.lora .vec { fill: var(--sheet); }
.lora .sum { fill: var(--sheet); }
.lora .w { stroke: none; }
.lora pattern line { stroke: var(--ink); stroke-width: .9; opacity: .55; }
.lora .wl { fill: var(--sheet); stroke: none; }
.lora .acc { fill: none; stroke: var(--accent); stroke-width: 1.8; }
.lora .fillacc { fill: var(--accent-soft); }
.lora .sig { stroke-width: 2.4; stroke-dasharray: 6 8; animation: flowdash 1s linear infinite; }
@keyframes flowdash { to { stroke-dashoffset: -14; } }
.lora .dimln { fill: none; stroke: var(--ink); stroke-width: .9; }
.lora marker path { fill: var(--ink); } .lora marker path.a { fill: var(--accent); }
.lora text { fill: var(--ink); font: 400 12px var(--mono); text-anchor: middle; }
.lora .sym { font: 600 17px var(--mono); }
.lora .sym.acc, .lora .sm.acc { fill: var(--accent); stroke: none; }
.lora .sm { font-size: 11.5px; fill: var(--ink-2); }
.lora .formula { font: 600 15px var(--mono); fill: var(--ink); }

.ds-grid { display: grid; grid-template-columns: 1.55fr 1fr; gap: 48px; align-items: start; }
.techmap { width: 100%; border-collapse: collapse; font: 400 14.5px/1.4 var(--sans); }
.techmap caption, .split h4 { caption-side: top; text-align: left; padding-bottom: 12px; margin: 0; font: 600 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.techmap th { font: 600 10.5px var(--mono); letter-spacing: .08em; text-transform: uppercase; text-align: left; padding: 9px 12px; border-top: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); color: var(--ink-2); }
.techmap td { padding: 12px; border-bottom: .75px solid var(--ink-3); color: var(--ink-2); vertical-align: top; }
.techmap td:first-child { font: 500 13px var(--mono); color: var(--ink-3); width: 44px; }
.techmap td:nth-child(2) { font-weight: 600; color: var(--ink); white-space: nowrap; }
.techmap td:last-child { font: 400 12.5px/1.45 var(--mono); }
.techmap tr.acc td { background: var(--accent-soft); }
.techmap tr.acc td:nth-child(2) { color: var(--accent); }
.techmap tr:last-child td { border-bottom: 1.5px solid var(--ink); }
.split-dims { display: flex; font: 600 13px var(--mono); }
.split-dims span { position: relative; text-align: center; padding-bottom: 10px; border-left: .9px solid var(--ink); }
.split-dims span:last-child { border-right: .9px solid var(--ink); }
.split-dims span::after { content: ""; position: absolute; left: 0; right: 0; bottom: 4px; border-top: .9px solid var(--ink); }
.split-bar { display: flex; height: 44px; border: 1.5px solid var(--ink); }
.split-bar i, .split li i { display: block; }
.split-bar i + i { border-left: 1.5px solid var(--ink); }
.s1 { background: repeating-linear-gradient(45deg, var(--ink-3) 0 1px, transparent 1px 7px); }
.s2 { background: repeating-linear-gradient(-45deg, var(--ink-2) 0 1px, transparent 1px 5px); }
.s3 { background: repeating-linear-gradient(45deg, var(--accent) 0 1.2px, transparent 1.2px 5px); }
.split ul { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 12px; font-size: 15px; color: var(--ink-2); }
.split li { display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: start; }
.split li i { height: 18px; border: 1.2px solid var(--ink); margin-top: 2px; }
.split li b { color: var(--ink); }

/* ── лист 5: испытания ─────────────────────────────── */
.flow { display: flex; align-items: center; gap: 0; margin: 0 0 52px; padding: 30px 0; overflow-x: auto; }
.node { flex: 0 0 auto; padding: 12px 14px; border: 1.5px solid var(--ink); background: var(--paper); font: 500 13px/1.3 var(--sans); text-align: center; min-width: 118px; }
.node small { display: block; margin-top: 4px; font: 400 10.5px/1.3 var(--mono); color: var(--ink-2); letter-spacing: .02em; }
.node.acc { border-color: var(--accent); box-shadow: 4px 4px 0 var(--accent-soft); }
.node.acc small { color: var(--accent); }
.node.out { border-radius: 26px; }
.node-pair { display: flex; flex-direction: column; gap: 10px; }
.arr { flex: 1 0 22px; min-width: 22px; height: 1.5px; background: var(--ink); position: relative; }
.arr::after { content: ""; position: absolute; right: -1px; top: -4px; border: 4.5px solid transparent; border-left: 8px solid var(--ink); border-right: 0; }

.proto { width: 100%; border-collapse: collapse; font: 400 15px/1.4 var(--sans); }
.proto th { font: 600 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; text-align: left; padding: 10px 14px; border-top: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); }
.proto td { padding: 15px 14px; border-bottom: .75px solid var(--ink-3); }
.proto td:first-child { font: 500 13px var(--mono); color: var(--ink-2); width: 48px; }
.proto td:nth-child(3) { font: 400 13px var(--mono); color: var(--ink-2); }
.proto td.res { font: 600 24px/1 var(--mono); letter-spacing: -.02em; color: var(--accent); text-align: right; white-space: nowrap; }
.proto th:last-child { text-align: right; }
.proto tr:last-child td { border-bottom: 1.5px solid var(--ink); }
.note { margin: 18px 0 0; max-width: 760px; font: 400 13px/1.6 var(--mono); color: var(--ink-2); }

/* ── лист 4: методика ──────────────────────────────── */
.steps { list-style: none; margin: 0 0 56px; padding: 0; display: grid; grid-template-columns: repeat(6, 1fr); position: relative; }
.steps::before { content: ""; position: absolute; left: 22px; right: 22px; top: 22px; height: 1.5px; background: var(--ink); }
.steps li { position: relative; padding-right: 14px; }
.steps b { position: relative; display: grid; place-items: center; width: 44px; height: 44px; border: 1.5px solid var(--ink); border-radius: 50%; background: var(--paper); font: 600 14px var(--mono); }
.steps li:nth-child(4) b { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.steps span { display: block; margin-top: 16px; font: 600 18px/1.2 var(--sans); }
.steps small { display: block; margin-top: 4px; font: 400 12px/1.4 var(--mono); color: var(--ink-2); }

.method-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 48px; align-items: start; }
.log { background: var(--dark); color: var(--on-dark); border: 1.5px solid var(--ink); font: 400 13.5px/1.5 var(--mono); box-shadow: 10px 10px 0 var(--grid-2); }
.log-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid rgba(230, 227, 255, .12); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: rgba(230, 227, 255, .55); }
.log-bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(230, 227, 255, .2); }
.log-bar i:first-child { background: var(--accent); }
.log-bar span { margin-left: 10px; }
.log ol { list-style: none; margin: 0; padding: 10px 0; }
.log li { display: grid; grid-template-columns: 40px 1fr; gap: 2px 10px; padding: 9px 18px; border-bottom: 1px dashed rgba(230, 227, 255, .08); }
.log .n { color: rgba(230, 227, 255, .4); grid-row: span 2; }
.log .r { font-size: 12px; }
.log .ok { color: var(--dark-acc); }
.log .ok::before { content: "✓ "; }
.log .no { color: var(--dark-err); }
.log .no::before { content: "✗ "; }
.log-foot { padding: 12px 18px 16px; color: rgba(230, 227, 255, .7); }
.caret { display: inline-block; width: 8px; height: 15px; margin-left: 6px; vertical-align: -2px; background: var(--accent); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.principles { list-style: none; margin: 0; padding: 0; }
.principles li { padding: 20px 0 20px 34px; border-top: .75px solid var(--ink-3); position: relative; color: var(--ink-2); font-size: 16px; }
.principles li:first-child { border-top: 1.5px solid var(--ink); }
.principles li::before { content: ""; position: absolute; left: 2px; top: 27px; width: 14px; height: 14px; border: 1.5px solid var(--accent); transform: rotate(45deg); }
.principles b { color: var(--ink); }

/* ── наклейки на Mac ───────────────────────────────── */
.sticker { position: absolute; left: 0; top: 0; padding: 3px 6px 4px; background: var(--sheet); border: .75px solid var(--ink); font: 600 9.5px/1.25 var(--mono); letter-spacing: .04em; color: var(--ink); text-align: center; white-space: nowrap; transition: opacity .4s; }
.sticker span { display: block; font-weight: 500; color: var(--accent); letter-spacing: .02em; }

/* ── лист 2: платформа ─────────────────────────────── */
.platform-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; margin-bottom: 72px; }
.apple { margin: 0; }
.apple svg { display: block; width: 100%; height: auto; overflow: visible; }
.apple pattern line { stroke: var(--ink); stroke-width: .9; opacity: .7; }
.apple .pen path, .apple .pen use { fill: none; stroke: var(--ink); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.apple .pen .thin { stroke-width: 1.1; }
.apple .dim path, .apple .callouts path { fill: none; stroke: var(--ink); stroke-width: 1; }
.apple .fill { fill: var(--ink); stroke: none; }
.apple text { fill: var(--ink-2); font: 400 12.5px var(--mono); }
.apple .dim text { fill: var(--ink); font-size: 12px; letter-spacing: .04em; }
.apple .t { fill: var(--ink); font-weight: 600; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; }
.apple .t.acc { fill: var(--accent); }
.apple .fig { fill: var(--ink-2); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; }
.apple .pen path, .apple .pen use { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 2.2s cubic-bezier(.6, 0, .2, 1); }
.apple .pen use { stroke-dasharray: 1200; stroke-dashoffset: 1200; }
.apple.in .pen path, .apple.in .pen use { stroke-dashoffset: 0; }
.apple .hatch { opacity: 0; transition: opacity 1.4s ease 1.2s; }
.apple.in .hatch { opacity: 1; }
.apple .callouts, .apple .dim { opacity: 0; transition: opacity .8s ease 2s; }
.apple.in .callouts, .apple.in .dim { opacity: 1; }
.why .sec-no { margin-bottom: 18px; }
.why .sub { font-size: 17px; color: var(--ink-2); margin: 0 0 28px; }
.compare { width: 100%; border-collapse: collapse; font: 400 14.5px/1.4 var(--sans); }
.compare thead th { font: 600 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; text-align: left; padding: 10px 12px; border-top: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); color: var(--ink-2); }
.compare thead th.mac { color: var(--accent); }
.compare tbody th { font: 400 12px var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--ink-2); text-align: left; padding: 13px 12px 13px 0; width: 26%; border-bottom: .75px solid var(--ink-3); }
.compare td { padding: 13px 12px; border-bottom: .75px solid var(--ink-3); color: var(--ink-2); }
.compare td.mac { color: var(--ink); font-weight: 600; background: var(--accent-soft); border-left: 1.5px solid var(--accent); }
.compare tr:last-child th, .compare tr:last-child td { border-bottom: 1.5px solid var(--ink); }

.stack-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.tech { width: 100%; border-collapse: collapse; font: 400 15px/1.4 var(--sans); }
.tech caption { caption-side: top; text-align: left; padding-bottom: 12px; font: 600 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.tech th, .tech td { padding: 14px 0; border-bottom: .75px solid var(--ink-3); text-align: left; }
.tech tr:first-child th, .tech tr:first-child td { border-top: 1.5px solid var(--ink); }
.tech th { font: 400 12.5px var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--ink-2); width: 46%; }
.tech td { font: 600 17px var(--sans); }
.chips h4 { margin: 0 0 14px; font: 600 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); }
.chips ul { list-style: none; margin: 0 0 34px; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chips li { padding: 9px 14px; border: 1.5px solid var(--ink); font: 500 14px var(--mono); background: var(--paper); }
.chips ul:last-child li { border-style: dashed; border-color: var(--ink-2); }

/* ── лист 6: связаться + штамп ─────────────────────── */
.contact .sheet-body { padding-bottom: 210px; }
.contact-grid p { font-size: 18px; color: var(--ink-2); max-width: 620px; }
.contact h2 { font-size: clamp(34px, 4vw, 58px); max-width: 900px; }
.stamp { position: absolute; right: 7px; bottom: 7px; display: grid; grid-template-columns: 350px 300px 228px; border-top: 1.5px solid var(--ink); border-left: 1.5px solid var(--ink); font: 400 11px/1 var(--mono); background: var(--paper); }
.stamp > div { border-right: 1.5px solid var(--ink); }
.stamp > div:last-child { border-right: 0; }
.s-left { display: grid; grid-template-columns: 66px 74px 92px 60px 58px; grid-auto-rows: 26px; }
.s-left span { border-right: .75px solid var(--ink); border-bottom: .75px solid var(--ink); padding: 8px 6px 0; overflow: hidden; white-space: nowrap; }
.s-left span.e { border-right: 0; }
.s-left .w2 { grid-column: span 2; }
.s-left span:nth-child(-n+5) { font-size: 10px; color: var(--ink-2); }
.s-mid { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 8px; padding: 10px; text-align: center; }
.s-mid b { font: 600 22px var(--mono); letter-spacing: -.02em; }
.s-mid span { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.s-right { display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: 26px 26px 1fr; min-height: 104px; }
.s-right span, .s-right b { border-right: .75px solid var(--ink); border-bottom: .75px solid var(--ink); display: grid; place-items: center; }
.s-right span:nth-child(3), .s-right b:nth-child(6) { border-right: 0; }
.s-right span { font-size: 9.5px; color: var(--ink-2); }
.s-right b { font-weight: 600; font-size: 12px; }
.s-right .w3 { grid-column: span 3; border: 0; font: 600 18px var(--mono); color: var(--accent); }

/* ── появление ─────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.card svg path, .card svg rect, .card svg circle { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.6s cubic-bezier(.6, 0, .2, 1) .25s; }
.card.in svg path, .card.in svg rect, .card.in svg circle { stroke-dashoffset: 0; }
.card svg .dash { stroke-dasharray: 6 5; stroke-dashoffset: 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .card svg path, .card svg rect, .card svg circle { stroke-dashoffset: 0; transition: none; }
  .caret { animation: none; }
}

/* ── адаптив ───────────────────────────────────────── */
/* невысокие ноутбуки: подпись лупы в одну строку, чтобы не задевать выноски */
@media (max-height: 760px) and (min-width: 1181px) { .detail-cap .sub { display: none; } }

@media (max-width: 1180px) {
  .detail { left: max(24px, calc(50% - 400px)); }
  nav { display: none; }
  .hero { grid-template-columns: minmax(0, 1fr); grid-template-areas: "text" "stage" "spec" "legend"; }
  .facts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hero-text { padding: 96px 40px 0; }
  .stage { height: 74vh; min-height: 560px; }
  .spec { justify-self: stretch; margin: 0 40px 30px; }
  .legend { margin: 0 40px 40px; }
  .cards, .cards4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 36px; }
  .steps::before { display: none; }
  .method-grid, .stack-grid, .platform-grid, .nn-grid, .ds-grid, .secure-grid, .calc-proof { grid-template-columns: 1fr; }
  .own-grid { grid-template-columns: 1fr 1fr; row-gap: 22px; }
  .tiers-grid { grid-template-columns: 1fr; }
  .tiers-grid article + article { border-left: 0; border-top: 1.5px solid var(--ink); }
  .lora { max-width: 420px; margin: 0 auto; }
  .stamp { grid-template-columns: 1fr 1fr; }
  .stamp .s-left { display: none; }
}
@media (max-width: 720px) {
  :root { --bar-h: 56px; }
  .bar { padding: 0 16px; gap: 12px; }
  .sheet-ind { display: none; }
  .logo { margin-right: auto; }
  main { padding: 16px 12px 28px; }
  .sheet-body { padding: 70px 22px 40px; }
  .hero-text { padding: 76px 22px 0; }
  h1 { font-size: 40px; }
  .lead { font-size: 17px; }
  .facts dt { font-size: 24px; }
  .facts dt small:not(.pre) { display: block; margin: 4px 0 0; }
  .facts div { padding-right: 8px; }
  .facts div + div { padding-left: 10px; }
  .facts dd { font-size: 10.5px; letter-spacing: 0; }
  .stage { height: 62vh; min-height: 440px; }
  .detail, .hint, #labels .balloon, #labels .a-mark, #labels .tag, #overlay { display: none; }
  .sticker { font-size: 8px; padding: 2px 4px; }
  .compare { font-size: 13.5px; }
  .compare tbody th { width: 30%; font-size: 11px; }
  .apple text { font-size: 15px; }
  .techmap th:nth-child(3), .techmap td:nth-child(3) { display: none; }
  .techmap td:nth-child(2) { white-space: normal; }
  .calc { padding: 28px 18px 22px; }
  .calc-table { font-size: 13.5px; }
  .calc-table tbody th { width: 30%; font-size: 10.5px; }
  .verdict { grid-template-columns: 1fr; }
  .verdict div + div { padding-left: 0; border-left: 0; border-top: .75px solid var(--ink-3); padding-top: 12px; }
  .own-grid { grid-template-columns: 1fr; }
  .lawt td:nth-child(2) { white-space: normal; }
  .lic th:nth-child(2), .lic td:nth-child(2) { display: none; }
  .spec { margin: 0 16px 30px; font-size: 11px; }
  .legend { display: none; }
  .spec th:last-child, .spec td:last-child { display: none; }
  .sec-head { grid-template-columns: 1fr; gap: 6px; }
  .sec-no { font-size: 44px; }
  .cards, .cards4 { grid-template-columns: 1fr; }
  .flow { flex-direction: column; align-items: stretch; }
  .arr { flex: 0 0 22px; width: 1.5px; height: 22px; min-width: 0; align-self: center; }
  .arr::after { right: auto; left: -4px; top: auto; bottom: -1px; border: 4.5px solid transparent; border-top: 8px solid var(--ink); border-bottom: 0; }
  .node-pair { flex-direction: row; }
  .node-pair .node { flex: 1; min-width: 0; }
  .proto { font-size: 14px; }
  .proto th:nth-child(3), .proto td:nth-child(3) { display: none; }
  .proto td.res { font-size: 19px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .contact .sheet-body { padding-bottom: 150px; }
  .stamp { left: 7px; grid-template-columns: 1fr; }
  .stamp .s-right { display: none; }
}