/* DC_ALMO — дизайн-система. Основа — фирменная палитра АЛМО (#232B5C, #38B6E6, #D32044),
   уведённая в тёмную «машзальную» гамму. Все цвета, размеры и шрифты — токены ниже. */
:root {
  --bg: #05081a;
  --bg-2: #080d24;
  --surface: #0c1330;
  --surface-2: #111a40;
  --navy: #232b5c;            /* фирменный тёмно-синий */
  --cyan: #38b6e6;            /* фирменный голубой */
  --cyan-hi: #8fdcf7;
  --cyan-dim: rgba(56, 182, 230, .16);
  --red: #d32044;             /* фирменный красный — только CTA и аварии */
  --red-hi: #ef3d62;
  --ok: #2fd58f;
  --warn: #f2b33d;
  --text: #e9edf8;
  --text-2: #aab4d8;
  --text-3: #8a95bd;
  --line: rgba(143, 180, 255, .12);
  --line-2: rgba(56, 182, 230, .28);
  --glass: rgba(17, 26, 64, .55);
  --radius: 18px;
  --radius-s: 10px;
  --wrap: 1240px;
  --gap: clamp(16px, 2.2vw, 28px);
  --f-head: "Montserrat", "Montserrat Fallback", system-ui, sans-serif;
  --f-body: "Inter", "Inter Fallback", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --shadow: 0 20px 60px -20px rgba(0, 0, 0, .65);
  --ease: cubic-bezier(.2, .7, .2, 1);
  color-scheme: dark;
}

@font-face { font-family: "Montserrat Fallback"; src: local("Arial"), local("Liberation Sans"), local("DejaVu Sans"); size-adjust: 113%; ascent-override: 86%; descent-override: 22%; line-gap-override: 0%; }
@font-face { font-family: "Inter Fallback"; src: local("Arial"), local("Liberation Sans"), local("DejaVu Sans"); size-adjust: 107%; ascent-override: 90%; descent-override: 22%; line-gap-override: 0%; }
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 16px/1.6 var(--f-body); overflow-x: hidden;
  background-image:
    radial-gradient(1200px 600px at 80% -10%, rgba(56, 182, 230, .10), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(35, 43, 92, .55), transparent 60%);
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: var(--cyan-hi); text-decoration: none; }
a:hover { color: #fff; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--cyan); color: #001; padding: 10px 16px; border-radius: 8px; font-weight: 700; }
.skip:focus { top: 12px; color: #001; }

.wrap { width: min(var(--wrap), 100% - 32px); margin-inline: auto; }
section { position: relative; padding: clamp(72px, 9vw, 128px) 0; }
.grid-bg::before { /* тонкая инженерная сетка */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px; mask-image: linear-gradient(180deg, transparent, #000 15%, #000 85%, transparent);
}

/* ---------- типографика ---------- */
h1, h2, h3 { font-family: var(--f-head); line-height: 1.08; margin: 0; letter-spacing: -.01em; text-wrap: balance; }
h1 { font-size: clamp(36px, 6.2vw, 84px); font-weight: 800; }
h2 { font-size: clamp(30px, 4.2vw, 56px); font-weight: 800; }
h3 { font-size: clamp(18px, 1.6vw, 22px); font-weight: 700; line-height: 1.25; }
p { margin: 0 0 1em; }
.lead { font-size: clamp(17px, 1.5vw, 20px); color: var(--text-2); max-width: 64ch; text-wrap: pretty; }
.lead-wide { max-width: none; }
.tag { /* маркировка как на оборудовании */
  display: inline-flex; align-items: center; gap: 8px; font: 500 12px/1 var(--f-mono);
  letter-spacing: .14em; text-transform: uppercase; color: var(--cyan);
}
.tag::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
.mono { font-family: var(--f-mono); }
.muted { color: var(--text-3); }
.sec-head { display: grid; gap: 18px; margin-bottom: clamp(36px, 5vw, 64px); max-width: 860px; }
.grad { background: linear-gradient(92deg, #fff 10%, var(--cyan-hi) 60%, var(--cyan) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- кнопки ---------- */
.btn {
  --b: var(--red); display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 26px; border-radius: 12px; border: 1px solid transparent; cursor: pointer;
  font: 700 16px/1 var(--f-head); color: #fff; background: var(--b); text-decoration: none;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s;
  box-shadow: 0 10px 30px -10px rgba(211, 32, 68, .7), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.btn:hover { transform: translateY(-2px); background: var(--red-hi); color: #fff; box-shadow: 0 16px 40px -12px rgba(239, 61, 98, .8), inset 0 1px 0 rgba(255,255,255,.3); }
.btn.ghost { background: rgba(56, 182, 230, .08); border-color: var(--line-2); box-shadow: none; color: var(--text); }
.btn.ghost:hover { background: rgba(56, 182, 230, .18); border-color: var(--cyan); }
.btn svg { width: 18px; height: 18px; }

/* ---------- шапка ---------- */
.top {
  position: fixed; inset: 0 0 auto; z-index: 50; transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.top.scrolled { background: rgba(5, 8, 26, .78); backdrop-filter: blur(14px) saturate(140%); border-color: var(--line); }
.top .wrap { display: flex; align-items: center; gap: 24px; height: 72px; }
.logo { display: flex; align-items: center; gap: 12px; color: var(--text); font: 800 15px/1 var(--f-head); }
.logo img { height: 34px; width: auto; filter: brightness(0) invert(1); }
.logo span { font: 500 11px/1.2 var(--f-mono); color: var(--cyan); letter-spacing: .12em; }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { color: var(--text-2); font-size: 14px; font-weight: 500; }
.nav a:hover { color: #fff; }
.top .btn { min-height: 42px; padding: 0 18px; font-size: 14px; }
.top-phone { font: 600 15px/1 var(--f-mono); color: var(--text); white-space: nowrap; }
.burger { display: none; margin-left: auto; width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--line-2); background: transparent; color: var(--text); }
.burger svg { margin: auto; }
@media (max-width: 1080px) {
  .nav, .top-phone { display: none; }
  .burger { display: grid; }
  .top .btn { display: none; }
  .nav.open { display: flex; position: fixed; inset: 72px 0 auto; flex-direction: column; gap: 0; padding: 8px 16px 20px; background: rgba(5, 8, 26, .97); border-bottom: 1px solid var(--line); }
  .nav.open a { padding: 14px 4px; border-bottom: 1px solid var(--line); font-size: 17px; }
}

/* ---------- hero ---------- */
.hero { min-height: 100svh; display: grid; align-items: start; padding: clamp(112px, 17vh, 190px) 0 72px; overflow: hidden; isolation: isolate; } /* к верху, не по центру: смена высоты текста не двигает блок */
.hero-stage { position: absolute; inset: 0; z-index: -1; }
.hero-stage img, .hero-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-stage canvas { opacity: 0; transition: opacity 1.2s var(--ease); }
.hero-stage.live canvas { opacity: 1; }
.hero-stage::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(5, 8, 26, .95) 0%, rgba(5, 8, 26, .78) 38%, rgba(5, 8, 26, .2) 75%),
              linear-gradient(0deg, var(--bg) 0%, transparent 30%); }
.hero h1 { max-width: 15ch; }
.hero h1 .kin { display: inline-block; }
.kin .kw { opacity: 0; filter: blur(8px); animation: kin .9s var(--ease) forwards; animation-delay: calc(var(--i) * 80ms + 150ms); }
@keyframes kin { to { opacity: 1; filter: none; } } /* без transform и inline-block: появление слов не меняет вёрстку */
.hero .lead { margin: 26px 0 36px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 42px; font: 500 13px/1.4 var(--f-mono); color: var(--text-2); }
.hero-meta b { color: var(--cyan-hi); font-weight: 600; }
.hero-hud { position: absolute; right: max(16px, calc((100vw - var(--wrap)) / 2)); bottom: 72px; display: grid; gap: 8px;
  font: 500 11px/1.5 var(--f-mono); color: var(--text-2); text-align: right; letter-spacing: .08em; }
.hero-hud .led { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 10px var(--ok); margin-left: 6px; animation: blink 1.6s infinite; }
@keyframes blink { 50% { opacity: .35; } }
@media (max-width: 760px) { .hero-hud { display: none; } }

/* ---------- кабельная трасса между секциями ---------- */
.trace { height: 90px; position: relative; overflow: hidden; }
.trace svg { width: 100%; height: 100%; }
.trace path { fill: none; stroke: var(--line-2); stroke-width: 1.2; }
.trace .pkt { offset-rotate: 0deg; animation: fly 4.2s linear infinite; }
.trace .pkt:nth-of-type(2) { animation-delay: -1.4s; }
.trace .pkt:nth-of-type(3) { animation-delay: -2.8s; animation-duration: 5.4s; }
@keyframes fly { from { offset-distance: 0%; } to { offset-distance: 100%; } }

/* ---------- карточки, bento ---------- */
.card {
  position: relative; background: linear-gradient(180deg, rgba(17, 26, 64, .72), rgba(11, 16, 40, .72));
  border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(20px, 2.4vw, 30px);
  overflow: hidden; transition: border-color .3s, transform .3s var(--ease);
}
.card::before { /* подсветка грани за курсором */
  content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(56, 182, 230, .22), transparent 45%);
}
.card:hover { border-color: var(--line-2); }
.card:hover::before { opacity: 1; }
.card .num { font: 500 12px/1 var(--f-mono); color: var(--text-3); letter-spacing: .12em; }
.card p { color: var(--text-2); margin: 10px 0 0; }
.bento { display: grid; gap: var(--gap); grid-template-columns: repeat(6, 1fr); }
.bento .card { min-height: 220px; display: flex; flex-direction: column; }
.bento .b-wide { grid-column: span 3; }
.bento .b-2 { grid-column: span 2; }
.bento .b-4 { grid-column: span 4; }
.bento .b-tall { grid-row: span 2; }
.bento ul { list-style: none; padding: 0; margin: auto 0 0; display: flex; flex-wrap: wrap; gap: 8px; padding-top: 18px; }
.chip { font: 500 12px/1 var(--f-mono); padding: 7px 10px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--cyan-hi); background: rgba(56, 182, 230, .06); }
.ico { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 18px;
  background: rgba(56, 182, 230, .1); border: 1px solid var(--line-2); color: var(--cyan); }
.ico svg { width: 24px; height: 24px; }
@media (max-width: 980px) { .bento { grid-template-columns: repeat(2, 1fr); } .bento .b-wide, .bento .b-2, .bento .b-4 { grid-column: span 1; } .bento .b-tall { grid-column: span 2; grid-row: auto; } }
@media (max-width: 620px) { .bento { grid-template-columns: 1fr; } .bento .b-tall { grid-column: auto; } }

/* ---------- системы ---------- */
.systems { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.sys { background: var(--bg-2); padding: 26px 24px; display: grid; grid-template-columns: 44px 1fr; gap: 6px 16px; align-items: start; transition: background .3s; }
.sys:hover { background: #0d1535; }
.sys .ico { margin: 0; grid-row: span 2; width: 44px; height: 44px; }
.sys h3 { font-size: 17px; }
.sys p { color: var(--text-2); margin: 0; font-size: 14.5px; }
.sys code { font: 500 11px/1 var(--f-mono); color: var(--text-3); letter-spacing: .1em; grid-column: 2; margin-top: 4px; }
@media (max-width: 980px) { .systems { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .systems { grid-template-columns: 1fr; } }

/* ---------- цифры ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); }
.stat { padding: 26px; border-left: 1px solid var(--line-2); }
.stat .v { font: 800 clamp(40px, 5vw, 64px)/1 var(--f-head); color: #fff; display: flex; align-items: baseline; gap: 6px; }
.stat .v small { font: 600 16px/1 var(--f-mono); color: var(--cyan); }
.stat .l { margin-top: 12px; color: var(--text-2); font-size: 15px; text-wrap: pretty; }
.stat .src { margin-top: 8px; font: 500 11px/1.4 var(--f-mono); color: var(--text-3); letter-spacing: .06em; }
@media (max-width: 980px) { .stats { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .stats { grid-template-columns: 1fr; } }

/* ---------- схема потоков ---------- */
.flow { margin-top: clamp(40px, 6vw, 72px); display: grid; gap: var(--gap); grid-template-columns: 1fr 1fr; }
.flow figure { margin: 0; }
.flow svg { width: 100%; height: auto; }
.flow figcaption { margin-top: 12px; font: 500 12px/1.5 var(--f-mono); color: var(--text-3); letter-spacing: .06em; }
.fl-node rect { fill: #0f1840; stroke: var(--line-2); }
.fl-node text { fill: var(--text); font: 600 13px var(--f-body); }
.fl-node .sub { fill: var(--text-3); font: 500 10px var(--f-mono); letter-spacing: .06em; }
.fl-wire { fill: none; stroke: rgba(56, 182, 230, .22); stroke-width: 2; }
.fl-run { fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-dasharray: 10 18; animation: run 1.4s linear infinite; }
.fl-run.pw { stroke: var(--cyan); filter: drop-shadow(0 0 4px var(--cyan)); }
.fl-run.cold { stroke: #6fd3ff; }
.fl-run.hot { stroke: var(--red-hi); filter: drop-shadow(0 0 4px var(--red)); }
@keyframes run { to { stroke-dashoffset: -28; } }
@media (max-width: 900px) { .flow { grid-template-columns: 1fr; } }

/* ---------- DCIM ---------- */
.dcim { border: 1px solid var(--line-2); border-radius: 22px; background: linear-gradient(180deg, #0b1130, #070b20); box-shadow: var(--shadow); overflow: hidden; }
.dcim-bar { display: flex; align-items: center; gap: 12px; padding: 12px 18px; border-bottom: 1px solid var(--line); font: 500 12px/1 var(--f-mono); color: var(--text-3); }
.dcim-bar .dots { display: flex; gap: 6px; } .dcim-bar .dots i { width: 10px; height: 10px; border-radius: 50%; background: #1e2a5a; }
.dcim-bar .live { margin-left: auto; color: var(--ok); }
.dcim-bar .live::before { content: "●"; margin-right: 6px; animation: blink 1.4s infinite; }
.dcim-grid { display: grid; gap: 14px; padding: 18px; grid-template-columns: repeat(4, 1fr); }
.w { background: rgba(17, 26, 64, .6); border: 1px solid var(--line); border-radius: 14px; padding: 16px; min-height: 140px; display: flex; flex-direction: column; }
.w .h { font: 500 11px/1.3 var(--f-mono); color: var(--text-3); letter-spacing: .1em; text-transform: uppercase; display: flex; justify-content: space-between; gap: 8px; }
.w .big { font: 700 34px/1.1 var(--f-mono); color: #fff; margin-top: 10px; }
.w .big small { font-size: 14px; color: var(--text-3); }
.w .spark { margin-top: auto; height: 46px; width: 100%; }
.w .spark path.l { fill: none; stroke: var(--cyan); stroke-width: 1.6; }
.w .spark path.a { fill: url(#gSpark); }
.w-2 { grid-column: span 2; }
.racks { display: flex; align-items: flex-end; gap: 6px; height: 96px; margin-top: auto; }
.racks div { flex: 1; border-radius: 4px 4px 0 0; background: linear-gradient(180deg, var(--cyan), rgba(56, 182, 230, .25)); transition: height .9s var(--ease); position: relative; }
.racks div span { position: absolute; bottom: -18px; left: 0; right: 0; text-align: center; font: 500 9px var(--f-mono); color: var(--text-3); }
.gauge { margin-top: 6px; }
.gauge path { fill: none; stroke-width: 10; stroke-linecap: round; }
.gauge .bgp { stroke: #1a2550; } .gauge .fgp { stroke: var(--ok); transition: stroke-dashoffset .9s var(--ease); }
.state { margin-top: auto; display: grid; gap: 8px; font: 500 12px/1.3 var(--f-mono); }
.state div { display: flex; justify-content: space-between; gap: 8px; padding: 8px 10px; border-radius: 8px; background: rgba(47, 213, 143, .08); color: var(--ok); }
.alarms { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 6px; font: 500 12px/1.35 var(--f-mono); max-height: 152px; overflow: hidden; }
.alarms li { display: grid; grid-template-columns: 58px 10px 1fr; gap: 8px; align-items: center; padding: 7px 8px; border-radius: 8px; background: rgba(255, 255, 255, .025); animation: in .5s var(--ease); }
.alarms li i { width: 8px; height: 8px; border-radius: 50%; }
.alarms .info i { background: var(--cyan); } .alarms .warn i { background: var(--warn); } .alarms .ok i { background: var(--ok); }
.alarms time { color: var(--text-3); }
@keyframes in { from { opacity: 0; transform: translateY(-6px); } }
.demo-note { padding: 0 18px 16px; font: 500 11px/1.4 var(--f-mono); color: var(--text-3); letter-spacing: .08em; }
@media (max-width: 1080px) { .dcim-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .dcim-grid { grid-template-columns: 1fr; } .w-2 { grid-column: auto; } }

/* ---------- ЦОД vs серверная ---------- */
.cmp { display: grid; grid-template-columns: 300px 1fr; gap: var(--gap); align-items: start; }
.cmp-tabs { display: grid; gap: 8px; }
.cmp-tabs button {
  display: grid; grid-template-columns: 36px 1fr; gap: 12px; align-items: center; text-align: left; cursor: pointer;
  padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line); background: rgba(12, 19, 48, .6); color: var(--text-2);
  font: 600 15px/1.3 var(--f-body); transition: all .25s var(--ease);
}
.cmp-tabs button span { font: 600 12px/1 var(--f-mono); color: var(--text-3); }
.cmp-tabs button[aria-selected="true"] { border-color: var(--cyan); background: rgba(56, 182, 230, .12); color: #fff; }
.cmp-tabs button[aria-selected="true"] span { color: var(--cyan); }
.cmp-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden; animation: cmpIn .14s ease-out; }
@keyframes cmpIn { from { opacity: .35; } }
.cmp-panel[hidden] { display: none; }
.cmp-col { background: var(--bg-2); padding: clamp(20px, 2.6vw, 32px); display: grid; align-content: start; gap: 14px; }
.cmp-col.dc { background: var(--bg-2); }
.cmp-col h3 { display: flex; align-items: flex-start; gap: 10px; min-height: 2.5em; } /* одна высота заголовков — колонки ЦОД и серверной всегда на одном уровне */
.cmp-col h3 em { margin-top: 2px; flex: none; }
.cmp-col h3 em { font: 600 11px/1 var(--f-mono); font-style: normal; padding: 6px 8px; border-radius: 6px; letter-spacing: .1em; }
.cmp-col.dc h3 em { background: var(--cyan); color: #001; }
.cmp-col.sr h3 em { background: #24305e; color: var(--text); }
.cmp-col ul { margin: 0; padding-left: 18px; color: var(--text-2); display: grid; gap: 8px; }
.cmp-col svg { width: 100%; height: 150px; border-radius: 12px; background: rgba(5, 8, 26, .6); border: 1px solid var(--line); }
.cmp-foot { margin-top: 28px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; padding: 22px 26px; border-radius: var(--radius); border: 1px dashed var(--line-2); }
.cmp-foot p { margin: 0; font: 600 18px/1.4 var(--f-head); }
@media (max-width: 980px) { .cmp { grid-template-columns: 1fr; } .cmp-tabs { grid-template-columns: repeat(5, minmax(150px, 1fr)); overflow-x: auto; padding-bottom: 6px; } }
@media (max-width: 700px) { .cmp-panel { grid-template-columns: 1fr; } }

/* ---------- документы ---------- */
.docs { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap); }
.doc { display: grid; grid-template-columns: 64px 1fr; gap: 20px; }
.doc .file { width: 64px; height: 80px; position: relative; border-radius: 8px; background: linear-gradient(180deg, #1c4aa8, #12307a); display: grid; place-items: end center; padding-bottom: 10px; font: 700 12px/1 var(--f-mono); color: #fff; box-shadow: 0 10px 30px -10px rgba(28, 74, 168, .8); }
.doc .file::before { content: ""; position: absolute; top: 0; right: 0; border-style: solid; border-width: 0 16px 16px 0; border-color: transparent var(--bg-2) rgba(255, 255, 255, .3) transparent; }
.doc .file.pdf { background: linear-gradient(180deg, #b3243f, #7d1229); }
.doc ul { margin: 12px 0 18px; padding-left: 18px; color: var(--text-2); display: grid; gap: 4px; font-size: 15px; }
.doc .meta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.doc .meta span { font: 500 12px/1 var(--f-mono); color: var(--text-3); }
.doc .btn { min-height: 44px; font-size: 14px; }
.licenses { margin-top: var(--gap); display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
.licenses .doc { grid-template-columns: 48px 1fr; align-items: center; }
.licenses .doc .file { width: 48px; height: 60px; font-size: 10px; }
@media (max-width: 900px) { .docs, .licenses { grid-template-columns: 1fr; } }

/* ---------- этапы: десктоп — сетка 4 × 2, телефон — лента с прокруткой ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 44px 24px; padding-top: 10px; overflow: hidden; }
.steps .bar { display: none; }
.step { position: relative; padding-top: 30px; }
.step::before { content: ""; position: absolute; top: 0; left: 0; width: 14px; height: 14px; border-radius: 50%; background: var(--bg); border: 2px solid var(--cyan); z-index: 1; }
.step::after { content: ""; position: absolute; top: 6px; left: 0; right: -24px; height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-hi)) 0 0 / calc(var(--f, 0) * 100%) 100% no-repeat, var(--line-2);
  box-shadow: 0 0 calc(var(--f, 0) * 10px) rgba(56, 182, 230, .6); }
.step::before { transition: background .3s, box-shadow .3s; }
.step.on::before { background: var(--cyan); box-shadow: 0 0 14px var(--cyan); }
.step .num { font: 600 12px/1 var(--f-mono); color: var(--cyan); }
.step h3 { font-size: 17px; margin: 10px 0 8px; overflow-wrap: break-word; }
.step p { font-size: 14.5px; color: var(--text-2); margin: 0; }
.step .out { margin-top: 10px; font: 500 11px/1.4 var(--f-mono); color: var(--text-3); }
@media (max-width: 980px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; gap: 28px; } .step::after { right: 0; } }

/* ---------- почему ---------- */
.why { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.why .card h3 { margin-top: 4px; }
@media (max-width: 980px) { .why { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .why { grid-template-columns: 1fr; } }

/* ---------- объекты ---------- */
.cases { display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 2 * var(--gap)) / 3); gap: var(--gap);
  overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; padding-bottom: 14px; scrollbar-width: thin; scrollbar-color: var(--line-2) transparent; }
.cases > .case { scroll-snap-align: start; }
.cases-nav { display: flex; gap: 10px; justify-content: flex-end; margin: -40px 0 18px; }
.cnav { width: 46px; height: 46px; border-radius: 12px; border: 1px solid var(--line-2); background: rgba(56, 182, 230, .08); color: var(--text); font: 600 18px/1 var(--f-body); cursor: pointer; transition: background .2s, border-color .2s; }
.cnav:hover { background: rgba(56, 182, 230, .2); border-color: var(--cyan); }
.cnav:disabled { opacity: .35; cursor: default; }
.case { display: flex; flex-direction: column; gap: 14px; }
.case .pic { height: 150px; border-radius: 12px; border: 1px solid var(--line); background: #070b20; overflow: hidden; }
.case dl { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 0; }
.case dt { font: 500 11px/1 var(--f-mono); color: var(--text-3); letter-spacing: .08em; text-transform: uppercase; }
.case dd { margin: 4px 0 0; font: 700 18px/1.2 var(--f-head); }
.case .sys-list { font-size: 14px; color: var(--text-2); margin: 0; }
@media (max-width: 980px) { .cases { grid-auto-columns: calc((100% - var(--gap)) / 2); } }
@media (max-width: 620px) { .cases { grid-auto-columns: 86%; } .cases-nav { margin-top: -20px; } }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 10px; max-width: 920px; }
.faq details { border: 1px solid var(--line); border-radius: 14px; background: rgba(12, 19, 48, .6); transition: border-color .3s; }
.faq details[open] { border-color: var(--line-2); }
.faq summary { cursor: pointer; list-style: none; padding: 20px 56px 20px 22px; position: relative; font: 600 17px/1.35 var(--f-head); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 22px; top: 50%; width: 12px; height: 12px; margin-top: -8px; border-right: 2px solid var(--cyan); border-bottom: 2px solid var(--cyan); transform: rotate(45deg); transition: transform .3s var(--ease); }
.faq details[open] summary::after { transform: rotate(225deg); margin-top: -2px; }
.faq .a { padding: 0 22px 20px; color: var(--text-2); }

/* ---------- форма ---------- */
.req { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.req-side ul { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.req-side li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; color: var(--text-2); }
.req-side li svg { color: var(--ok); margin-top: 3px; }
.contact-card { margin-top: 30px; padding: 22px; border-radius: var(--radius); border: 1px solid var(--line-2); background: var(--glass); display: grid; gap: 8px; }
.contact-card a { font: 700 22px/1.2 var(--f-mono); color: #fff; }
form.card { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.f { display: grid; gap: 6px; }
.f.full { grid-column: 1 / -1; }
.f label, .f legend { font: 500 12px/1 var(--f-mono); color: var(--text-2); letter-spacing: .06em; }
.f input, .f select, .f textarea {
  width: 100%; min-height: 48px; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line-2); background: rgba(5, 8, 26, .7);
  color: var(--text); font: 400 16px/1.4 var(--f-body); transition: border-color .2s, box-shadow .2s;
}
.f textarea { min-height: 110px; resize: vertical; }
.f input:focus, .f select:focus, .f textarea:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(56, 182, 230, .2); }
.f .err { min-height: 16px; font-size: 13px; color: var(--red-hi); }
.f.bad input, .f.bad select, .f.bad textarea { border-color: var(--red-hi); }
fieldset.f { border: 0; padding: 0; margin: 0; }
.seg { display: flex; flex-wrap: wrap; gap: 8px; }
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.seg span { display: inline-flex; align-items: center; min-height: 42px; padding: 0 16px; border-radius: 10px; border: 1px solid var(--line-2); color: var(--text-2); cursor: pointer; font: 600 14px/1 var(--f-body); }
.seg input:checked + span { background: rgba(56, 182, 230, .16); border-color: var(--cyan); color: #fff; }
.seg input:focus-visible + span { outline: 2px solid var(--cyan); outline-offset: 2px; }
.file-in { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 10px; border: 1px dashed var(--line-2); color: var(--text-2); cursor: pointer; }
.file-in input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.f label.consent { display: grid; grid-template-columns: 22px 1fr; gap: 10px; align-items: start; font: 400 14px/1.5 var(--f-body); letter-spacing: 0; color: var(--text-2); }
.consent input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--cyan); }
.hp { position: absolute; left: -9999px; }
.form-msg { grid-column: 1 / -1; padding: 14px 16px; border-radius: 10px; font-weight: 600; display: none; }
.form-msg.ok { display: block; background: rgba(47, 213, 143, .12); color: var(--ok); border: 1px solid rgba(47, 213, 143, .35); }
.form-msg.bad { display: block; background: rgba(211, 32, 68, .12); color: #ff8aa2; border: 1px solid rgba(211, 32, 68, .35); }
@media (max-width: 900px) { .req { grid-template-columns: 1fr; } }
@media (max-width: 560px) { form.card { grid-template-columns: 1fr; } }

/* ---------- футер ---------- */
footer { border-top: 1px solid var(--line); padding: 56px 0 40px; background: #040616; }
.foot { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.foot h3 { font-size: 14px; font-family: var(--f-mono); color: var(--text-3); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 14px; }
.foot p, .foot li { color: var(--text-2); font-size: 14.5px; margin: 0 0 6px; }
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot-bottom { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; font-size: 13px; color: var(--text-3); }
@media (max-width: 900px) { .foot { grid-template-columns: 1fr; } }

/* ---------- cookie ---------- */
.cookie { position: fixed; z-index: 60; left: 16px; right: 16px; bottom: 16px; max-width: 560px; margin-left: auto; padding: 18px; border-radius: 16px;
  background: rgba(12, 19, 48, .96); border: 1px solid var(--line-2); box-shadow: var(--shadow); display: none; gap: 14px; }
.cookie.on { display: grid; }
.cookie p { margin: 0; font-size: 14px; color: var(--text-2); }
.cookie div { display: flex; gap: 10px; flex-wrap: wrap; }
.cookie .btn { min-height: 40px; font-size: 14px; padding: 0 16px; }

/* ---------- появление при скролле ---------- */
.rv { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.rv.in { opacity: 1; transform: none; }

@view-transition { navigation: auto; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .kin .kw { opacity: 1; filter: none; }
  .rv { opacity: 1; transform: none; animation: none; }
  .trace .pkt, .fl-run { animation: none; }
  .hero-stage canvas { display: none; }
}