/* ============================================================
   РЖДСервис — site.css
   Токены → база → шапка → hero → секции → компоненты → формы → футер
   ============================================================ */

/* ---------- Шрифты ---------- */
@font-face{
  font-family:"Unbounded"; src:url("../fonts/unbounded-cyr.woff2") format("woff2");
  font-weight:300 900; font-display:swap; unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;
}
@font-face{
  font-family:"Manrope"; src:url("../fonts/manrope-cyr.woff2") format("woff2");
  font-weight:400 800; font-display:swap; unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;
}
@font-face{
  font-family:"Unbounded"; src:url("../fonts/unbounded-latin.woff2") format("woff2");
  font-weight:300 900; font-display:swap; unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Manrope"; src:url("../fonts/manrope-latin.woff2") format("woff2");
  font-weight:400 800; font-display:swap; unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

/* ---------- Токены ---------- */
:root{
  --ink:#050D1C;
  --navy:#071A38;
  --panel:#0C2448;
  --panel-2:#0A1F3E;
  --line:rgba(110,160,220,.16);
  --line-strong:rgba(110,160,220,.32);
  --cyan:#57C4F2;
  --cyan-dim:#2E86B8;
  --ice:#DFEAF6;
  --mist:#93A9C2;
  --white:#F4F8FD;
  --danger:#F08A8A;
  --font-d:"Unbounded","Segoe UI",system-ui,sans-serif;
  --font-t:"Manrope","Segoe UI",system-ui,sans-serif;
  --r:2px;
  --container:1240px;
  --gutter:clamp(20px,5vw,64px);
  --section:clamp(72px,9vw,124px);
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:76px;
}

/* ---------- База ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html[data-menu-open]{overflow:hidden}
body{
  margin:0; background:var(--ink); color:var(--ice);
  font-family:var(--font-t); font-size:17px; line-height:1.65;
  font-feature-settings:"tnum" 0; -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(1200px 600px at 85% -10%, rgba(87,196,242,.10), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(46,134,184,.07), transparent 60%);
  background-attachment:fixed;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}
::selection{background:rgba(87,196,242,.28);color:#fff}
h1,h2,h3,h4{
  font-family:var(--font-d); font-weight:600; line-height:1.08; margin:0;
  letter-spacing:-.02em; color:var(--white); text-wrap:balance;
}
h1{font-size:clamp(2.2rem,5.2vw,4.4rem);font-weight:500}
h2{font-size:clamp(1.7rem,3.4vw,2.9rem);font-weight:500}
h3{font-size:clamp(1.12rem,1.6vw,1.3rem);line-height:1.25;font-weight:500;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
strong{color:var(--white);font-weight:700}
small{font-size:.8rem}
.num{font-variant-numeric:tabular-nums}

.container{width:min(var(--container),100% - var(--gutter)*2);margin-inline:auto}
main [id]{scroll-margin-top:calc(var(--header-h) + 24px)}
.skip{position:absolute;left:-9999px;top:0;background:var(--cyan);color:var(--ink);padding:10px 16px;z-index:200}
.skip:focus{left:12px;top:12px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Шапка ---------- */
.header{
  position:sticky;top:0;z-index:100;height:var(--header-h);
  background:rgba(5,13,28,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header__in{display:flex;align-items:center;gap:20px;height:100%}
.brand{display:flex;align-items:center;gap:12px;color:var(--white);text-decoration:none;flex-shrink:0}
.brand:hover{text-decoration:none}
.brand__mark{width:34px;height:34px;flex-shrink:0}
.brand__name{font-family:var(--font-d);font-weight:600;font-size:1.02rem;letter-spacing:-.01em;line-height:1}
.brand__sub{display:block;font-family:var(--font-t);font-weight:500;font-size:.66rem;letter-spacing:.12em;color:var(--mist);margin-top:5px;text-transform:uppercase}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{
  color:var(--ice);font-size:.9rem;font-weight:600;padding:10px;border-radius:var(--r);
  text-decoration:none;transition:color .2s var(--ease),background .2s var(--ease);white-space:nowrap;
}
.nav a:hover{color:var(--white);background:rgba(110,160,220,.10);text-decoration:none}
.nav a[aria-current="page"]{color:var(--cyan)}
.header__cta{margin-left:8px;flex-shrink:0;white-space:nowrap}
.header__phone{display:flex;flex-direction:column;align-items:flex-end;gap:2px;margin-left:6px}
.header__phone a{font-family:var(--font-d);font-size:.84rem;color:var(--white);text-decoration:none;white-space:nowrap}
.header__phone span{font-size:.7rem;color:var(--mist)}
.burger{display:none;margin-left:auto;width:46px;height:46px;align-items:center;justify-content:center;background:none;border:1px solid var(--line-strong);border-radius:var(--r);cursor:pointer;color:var(--ice)}
.burger{position:relative;flex-shrink:0}
.burger svg{width:20px;height:20px}
.mnav{display:none;position:fixed;inset:var(--header-h) 0 0 0;z-index:99;background:var(--ink);padding:24px var(--gutter) 40px;overflow:auto;border-top:1px solid var(--line)}
.mnav[data-open]{display:block}
.mnav a{display:flex;justify-content:space-between;align-items:center;color:var(--ice);font-family:var(--font-d);font-size:1.15rem;padding:18px 0;border-bottom:1px solid var(--line);text-decoration:none}
.mnav a span{color:var(--mist);font-size:.72rem;font-family:var(--font-t);letter-spacing:.06em}
.mnav .btn{margin-top:24px;width:100%}
.mnav .btn--primary{justify-content:center;color:#031124;font-family:var(--font-t);font-size:.95rem;padding:0 26px;border-color:var(--cyan)}
.burger[aria-expanded="true"] svg{display:none}
.burger[aria-expanded="true"]::before,.burger[aria-expanded="true"]::after{content:"";position:absolute;width:20px;height:1.5px;background:currentColor;transform:rotate(45deg)}
.burger[aria-expanded="true"]::after{transform:rotate(-45deg)}

/* ---------- Кнопки ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;
  font-family:var(--font-t);font-size:.95rem;font-weight:700;letter-spacing:.01em;border-radius:var(--r);
  border:1px solid transparent;cursor:pointer;transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
  text-decoration:none;line-height:1;text-align:center;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:var(--cyan);color:#031124;border-color:var(--cyan)}
.btn--primary:hover{background:#83D6F8;border-color:#83D6F8}
.btn--ghost{background:transparent;color:var(--ice);border-color:var(--line-strong)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--white)}
.btn--sm{min-height:44px;padding:0 18px;font-size:.87rem}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.93rem;color:var(--cyan)}
.link-arrow svg{width:16px;height:16px;transition:transform .22s var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- Секции ---------- */
.section{padding-block:var(--section);position:relative}
.section--tight{padding-block:calc(var(--section)*.62)}
.section--band{background:linear-gradient(180deg,var(--navy),var(--ink));border-block:1px solid var(--line)}
.section-head{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(24px,5vw,80px);align-items:end;margin-bottom:clamp(36px,5vw,64px)}
.section-head__title{max-width:16ch}
.section-head__lead{color:var(--mist);font-size:1.02rem;max-width:52ch;justify-self:end}
.section-head--simple{grid-template-columns:1fr;max-width:760px}
.section-head--simple .section-head__lead{justify-self:start}
.kicker{display:flex;align-items:center;gap:12px;font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);margin-bottom:18px}
.kicker::before{content:"";width:28px;height:1px;background:var(--cyan)}
.note{color:var(--mist);font-size:.83rem;line-height:1.5}
.note a{color:var(--mist);border-bottom:1px solid var(--line-strong)}

/* ---------- Разметочные уголки (визиры) ---------- */
.plate{position:relative;border:1px solid var(--line);background:linear-gradient(180deg,rgba(12,36,72,.6),rgba(7,26,56,.6))}
.plate::before,.plate::after{content:"";position:absolute;width:12px;height:12px;border-color:var(--cyan);border-style:solid;pointer-events:none}
.plate::before{top:-1px;left:-1px;border-width:1px 0 0 1px}
.plate::after{bottom:-1px;right:-1px;border-width:0 1px 1px 0}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding-top:clamp(24px,4vw,40px)}
.hero__grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(28px,4vw,56px);align-items:stretch;min-height:min(680px,calc(100svh - var(--header-h) - 40px))}
.hero__copy{display:flex;flex-direction:column;justify-content:center;padding-block:clamp(28px,5vw,64px)}
.hero h1{margin-bottom:26px;font-size:clamp(2rem,3.6vw,3.3rem);overflow-wrap:anywhere}
.hero__lead{color:var(--ice);font-size:clamp(1rem,1.25vw,1.15rem);max-width:46ch;margin-bottom:14px}
.hero__sub{color:var(--mist);font-size:.95rem;max-width:48ch;margin-bottom:34px}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero__facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);margin-top:clamp(34px,5vw,54px);padding-top:24px;gap:16px}
.fact__v{font-family:var(--font-d);font-weight:500;font-size:clamp(1.3rem,2.2vw,1.7rem);color:var(--white);line-height:1}
.fact__k{font-size:.78rem;color:var(--mist);margin:7px 0 0;line-height:1.35}
.hero__media{position:relative;min-height:380px;border-left:1px solid var(--line);border-right:1px solid var(--line)}
.hero__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.7) contrast(1.05) brightness(.82)}
.hero__media::after{content:"";position:absolute;inset:0;background:
  linear-gradient(90deg,var(--ink) 0%,rgba(5,13,28,.55) 18%,rgba(5,13,28,0) 45%),
  linear-gradient(0deg,var(--ink) 0%,rgba(5,13,28,0) 30%)}
.hero__media .tag{position:absolute;left:20px;bottom:18px;z-index:2;font-size:.74rem;color:var(--mist);letter-spacing:.02em;max-width:30ch}
.hero__net{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.85}
.hero__media canvas{position:absolute;inset:0;width:100%;height:100%;z-index:1}

/* подчинённая полоса направлений под hero */
.arms{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line)}
.arms a{position:relative;display:flex;flex-direction:column;gap:8px;padding:26px 24px 28px;border-right:1px solid var(--line);color:var(--ice);text-decoration:none;transition:background .25s var(--ease)}
.arms a:last-child{border-right:0}
.arms a:hover{background:rgba(87,196,242,.06);text-decoration:none}
.arms a svg{width:26px;height:26px;color:var(--cyan);margin-bottom:6px}
.arms b{font-family:var(--font-d);font-weight:500;font-size:1rem;letter-spacing:-.01em}
.arms span{font-size:.84rem;color:var(--mist);line-height:1.45}

/* ---------- Карточки сеток (концепции) ---------- */
.concepts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.concept{background:var(--navy);padding:0;display:flex;flex-direction:column;position:relative}
.concept__img{aspect-ratio:1;flex-shrink:0;overflow:hidden;position:relative;border-bottom:1px solid var(--line)}
.concept__img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.concept:hover .concept__img img{transform:scale(1.025)}
.concept__body{padding:24px 24px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.concept__idx{font-family:var(--font-d);font-size:.78rem;color:var(--cyan);letter-spacing:.04em}
.concept__body p{color:var(--mist);font-size:.92rem}

/* ---------- Материалы (галерея) ---------- */
.materials{display:grid;grid-template-columns:repeat(12,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.mat{position:relative;overflow:hidden;background:var(--navy);min-height:220px}
.mat img{width:100%;height:100%;object-fit:cover;filter:saturate(.55) contrast(1.08) brightness(.8);transition:transform .7s var(--ease),filter .4s var(--ease)}
.mat:hover img{transform:scale(1.04);filter:saturate(.8) contrast(1.06) brightness(.9)}
.mat figcaption{position:absolute;left:0;right:0;bottom:0;padding:34px 18px 16px;font-size:.83rem;font-weight:600;color:var(--ice);
  background:linear-gradient(0deg,rgba(5,13,28,.92),rgba(5,13,28,0))}
.mat--a{grid-column:span 5;min-height:340px}
.mat--b{grid-column:span 4;min-height:340px}
.mat--c{grid-column:span 3;min-height:340px}
.mat--d{grid-column:span 3}
.mat--e{grid-column:span 3}
.mat--f{grid-column:span 3}
.mat--g{grid-column:span 3}

/* ---------- Комплекс / три слоя ---------- */
.layers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.layer{padding:30px 28px 32px;display:flex;flex-direction:column;gap:16px;min-height:280px}
.layer svg{width:34px;height:34px;color:var(--cyan)}
.layer h3{font-size:1.15rem}
.layer p{color:var(--mist);font-size:.93rem;flex:1}
.layer .link-arrow{font-size:.86rem}

/* ---------- Оборудование (лазер, РЭБ) ---------- */
.equip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.equip__card{background:var(--navy);padding:32px 28px 30px;display:flex;flex-direction:column;gap:0;position:relative;transition:background .25s var(--ease)}
.equip__card:hover{background:var(--panel-2)}
.equip__card h3{margin-bottom:10px}
.equip__card > p{color:var(--mist);font-size:.92rem;margin-bottom:22px}
.spec{display:grid;grid-template-columns:1fr auto;gap:10px 14px;border-top:1px solid var(--line);padding-top:18px;margin-bottom:24px;font-size:.87rem}
.spec dt{color:var(--mist)}
.spec dd{margin:0;text-align:right;color:var(--white);font-weight:700;font-variant-numeric:tabular-nums}
.equip__card .btn{margin-top:auto;align-self:flex-start}
.equip__viz{height:120px;position:relative;margin-bottom:22px;border:1px solid var(--line);overflow:hidden;background:radial-gradient(circle at 50% 120%,rgba(87,196,242,.14),transparent 70%)}
.equip__viz svg{position:absolute;inset:0;width:100%;height:100%}

/* ---------- Таблица аналогов ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);-webkit-overflow-scrolling:touch}
table.cmp{width:100%;border-collapse:collapse;min-width:760px;font-size:.9rem}
.cmp th,.cmp td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.cmp thead th{font-family:var(--font-d);font-weight:500;font-size:.8rem;color:var(--cyan);background:var(--panel-2);letter-spacing:.02em;white-space:nowrap}
.cmp tbody th{font-weight:700;color:var(--white);white-space:nowrap;font-family:var(--font-t)}
.cmp td{color:var(--mist)}
.cmp tr:last-child th,.cmp tr:last-child td{border-bottom:0}
.cmp tbody tr:hover td,.cmp tbody th:hover{background:rgba(87,196,242,.04)}
.chip{display:inline-block;font-size:.72rem;font-weight:700;padding:3px 9px;border:1px solid var(--line-strong);border-radius:100px;color:var(--ice);white-space:nowrap}
.chip--ok{border-color:rgba(87,196,242,.5);color:var(--cyan)}
.chip--no{border-color:rgba(240,138,138,.4);color:var(--danger)}

/* ---------- Правовая база / карточки фактов ---------- */
.legal{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(24px,4vw,56px);align-items:start}
.chart{padding:28px 28px 24px}
.chart h3{font-size:1rem;margin-bottom:6px}
.chart .sub{font-size:.8rem;color:var(--mist);margin-bottom:26px}
.bars{display:flex;align-items:flex-end;gap:28px;height:220px;border-bottom:1px solid var(--line-strong);padding-bottom:0}
.bar{flex:1;display:flex;flex-direction:column;justify-content:flex-end;height:100%;position:relative}
.bar__fill{background:linear-gradient(180deg,var(--cyan),rgba(87,196,242,.25));width:100%;position:relative;transform-origin:bottom}
.bar__v{font-family:var(--font-d);font-size:1.05rem;color:var(--white);margin-bottom:8px;text-align:center}
.bar__k{text-align:center;font-size:.8rem;color:var(--mist);padding-top:10px}
.chart .delta{display:flex;align-items:baseline;gap:14px;margin-top:22px}
.chart .delta b{font-family:var(--font-d);font-weight:500;font-size:2rem;color:var(--cyan)}
.chart .delta span{font-size:.85rem;color:var(--mist);max-width:34ch;line-height:1.4}
.legal__list{display:grid;gap:16px}
.law{padding:24px 26px;display:flex;flex-direction:column;gap:6px}
.law h3{font-size:1rem;color:var(--cyan);font-family:var(--font-t);font-weight:800;letter-spacing:0}
.law p{font-size:.9rem;color:var(--mist)}

/* ---------- Этапы ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line-strong)}
.step{padding:28px 22px 8px 0;border-right:1px solid var(--line);position:relative}
.step:last-child{border-right:0;padding-right:0}
.step__n{font-family:var(--font-d);font-size:.8rem;color:var(--cyan);margin-bottom:18px;display:block}
.step h3{font-size:1rem;margin-bottom:8px;font-family:var(--font-t);font-weight:800;letter-spacing:0}
.step p{font-size:.87rem;color:var(--mist)}
.step::before{content:"";position:absolute;top:-3px;left:0;width:5px;height:5px;background:var(--cyan);border-radius:50%}

/* ---------- Объект/список работ ---------- */
.works{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border:1px solid var(--line)}
.work{padding:22px 24px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start}
.work:nth-child(odd){border-right:1px solid var(--line)}
.work:nth-last-child(-n+2){border-bottom:0}
.work svg{width:22px;height:22px;color:var(--cyan);margin-top:2px}
.work b{display:block;font-size:.98rem;color:var(--white);margin-bottom:3px}
.work span{font-size:.86rem;color:var(--mist);line-height:1.45}
.work__meta{display:block;font-size:.76rem;color:var(--cyan);margin-top:6px;letter-spacing:.02em}

/* ---------- CTA ---------- */
.cta{position:relative;overflow:hidden;border:1px solid var(--line-strong);background:
  radial-gradient(700px 320px at 100% 0%,rgba(87,196,242,.14),transparent 65%),
  linear-gradient(180deg,var(--panel),var(--navy))}
.cta__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,72px);padding:clamp(32px,5vw,60px)}
.cta h2{margin-bottom:18px;max-width:14ch}
.cta p{color:var(--mist);max-width:44ch;margin-bottom:26px}
.cta__checks{display:grid;gap:12px}
.cta__checks li{display:flex;gap:12px;align-items:flex-start;font-size:.92rem;color:var(--ice)}
.cta__checks svg{width:18px;height:18px;color:var(--cyan);flex-shrink:0;margin-top:3px}

/* ---------- Форма ---------- */
.form{display:grid;gap:16px}
.field{display:grid;gap:7px}
.field label{font-size:.82rem;font-weight:700;color:var(--ice)}
.field label .req{color:var(--cyan)}
.field input,.field select,.field textarea{
  width:100%;min-height:50px;padding:12px 14px;font:inherit;font-size:1rem;color:var(--white);
  background:rgba(5,13,28,.55);border:1px solid var(--line-strong);border-radius:var(--r);
  transition:border-color .2s var(--ease),background .2s var(--ease);appearance:none;
}
.field textarea{min-height:96px;resize:vertical}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%2393A9C2' stroke-width='2'%3E%3Cpath d='M2 4l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}
.field select option{background:var(--navy);color:var(--white)}
.field input::placeholder,.field textarea::placeholder{color:#6B82A0}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--cyan);background:rgba(5,13,28,.8);outline:none}
.field input[aria-invalid="true"],.field textarea[aria-invalid="true"]{border-color:var(--danger)}
.field__err{font-size:.8rem;color:var(--danger);display:none}
.field__err[data-show]{display:block}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form .btn{width:100%}
.form__note{font-size:.76rem;color:var(--mist);line-height:1.5}
.form__ok{display:none;padding:22px 24px;border:1px solid rgba(87,196,242,.45);background:rgba(87,196,242,.08);border-radius:var(--r)}
.form__ok[data-show]{display:block}
.form__ok b{display:block;font-family:var(--font-d);font-weight:500;color:var(--white);margin-bottom:6px}

/* ---------- Футер ---------- */
.footer{border-top:1px solid var(--line);background:var(--ink);padding:clamp(44px,6vw,72px) 0 32px;margin-top:0}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer h4{font-family:var(--font-t);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--mist);font-weight:800;margin-bottom:16px}
.footer ul{display:grid;gap:10px}
.footer a{color:var(--ice);font-size:.9rem;text-decoration:none}
.footer a:hover{color:var(--cyan)}
.footer__brand p{color:var(--mist);font-size:.88rem;margin-top:16px;max-width:32ch}
.footer__phone{font-family:var(--font-d);font-size:1.25rem;color:var(--white);display:block;margin-bottom:6px}
.footer__bottom{display:flex;justify-content:space-between;gap:20px;margin-top:clamp(36px,5vw,56px);padding-top:24px;border-top:1px solid var(--line);color:var(--mist);font-size:.78rem;flex-wrap:wrap}
.footer__bottom p{max-width:78ch;line-height:1.5}

/* ---------- Появление ---------- */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal][data-in]{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  [data-reveal]{opacity:1;transform:none}
}

/* ---------- Внутренние страницы ---------- */
.subhero{padding:clamp(40px,6vw,76px) 0 clamp(32px,4vw,52px);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.crumbs{display:flex;gap:10px;align-items:center;font-size:.8rem;color:var(--mist);margin-bottom:26px;flex-wrap:wrap}
.crumbs a{color:var(--mist)}
.crumbs svg{width:12px;height:12px}
.subhero__grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(24px,5vw,72px);align-items:end}
.subhero h1{font-size:clamp(2rem,4.4vw,3.6rem);margin-bottom:22px}
.subhero__lead{color:var(--mist);font-size:1.05rem;max-width:56ch}
.subhero__stats{display:grid;grid-template-columns:1fr 1fr;gap:20px;border-left:1px solid var(--line);padding-left:clamp(20px,3vw,36px)}
.media-band{position:relative;border-bottom:1px solid var(--line);overflow:hidden;background:var(--navy)}
.media-band img{width:100%;max-height:560px;object-fit:cover;filter:saturate(.7) brightness(.85) contrast(1.04)}
.media-band figcaption{position:absolute;left:var(--gutter);bottom:16px;font-size:.75rem;color:var(--mist)}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,72px);align-items:start}
.prose p{color:var(--ice);margin-bottom:16px;max-width:62ch}
.prose p:last-child{margin-bottom:0}
.prose h3{margin:28px 0 12px}
.deflist{border-top:1px solid var(--line-strong)}
.deflist div{display:grid;grid-template-columns:1.1fr 1fr;gap:20px;padding:15px 0;border-bottom:1px solid var(--line)}
.deflist dt{color:var(--mist);font-size:.9rem}
.deflist dd{margin:0;color:var(--white);font-weight:700;font-size:.92rem;text-align:right;font-variant-numeric:tabular-nums}
.stage-row{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.stage{background:var(--navy);padding:22px 18px;display:flex;flex-direction:column;gap:8px}
.stage span{font-family:var(--font-d);font-size:.72rem;color:var(--cyan)}
.stage b{font-size:.92rem;color:var(--white)}
.stage i{font-style:normal;font-size:.8rem;color:var(--mist);line-height:1.4}
.callout{border-left:2px solid var(--cyan);padding:18px 22px;background:rgba(87,196,242,.05);font-size:.9rem;color:var(--ice)}
.callout b{display:block;margin-bottom:4px;font-family:var(--font-t);font-weight:800;color:var(--white);font-size:.85rem}

/* ---------- Адаптив ---------- */
@media (max-width:1360px){
  .nav,.header__phone{display:none}
  .burger{display:inline-flex}
}
@media (max-width:1080px){
  .nav{display:none}
  .header__phone{display:none}
  .burger{display:inline-flex}
  .hero__grid{grid-template-columns:minmax(0,1fr);min-height:0}
  .hero__media{min-height:340px;border:1px solid var(--line);order:-1}
  .arms{grid-template-columns:repeat(2,1fr)}
  .arms a:nth-child(2){border-right:0}
  .arms a:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .concepts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .equip{grid-template-columns:1fr}
  .layers{grid-template-columns:1fr}
  .layer{min-height:0}
  .legal{grid-template-columns:minmax(0,1fr)}
  .chart .delta{flex-wrap:wrap}
  .cta__grid{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
  .subhero__grid{grid-template-columns:1fr}
  .subhero__grid > *{min-width:0}
  .subhero__stats{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:24px}
  .two{grid-template-columns:1fr}
  .stage-row{grid-template-columns:repeat(2,1fr)}
  .section-head{grid-template-columns:1fr}
  .section-head__lead{justify-self:start}
}
@media (max-width:720px){
  body{font-size:16px}
  .header__in{gap:12px}
  .brand__sub{font-size:.6rem;letter-spacing:.08em}
  h1,.hero h1,.subhero h1{font-size:clamp(1.75rem,8vw,2.2rem)}
  h1,h2,h3{overflow-wrap:anywhere}
  .subhero__stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fact__v{overflow-wrap:anywhere;line-height:1.2}
  .cta__grid{padding:24px}
  .btn{width:100%}
  .hero__actions .btn{width:100%}
  .hero__facts{grid-template-columns:1fr 1fr;gap:20px}
  .arms{grid-template-columns:1fr}
  .arms a{border-right:0;border-bottom:1px solid var(--line)}
  .arms a:last-child{border-bottom:0}
  .concepts{grid-template-columns:1fr}
  .materials{grid-template-columns:1fr 1fr}
  .mat{grid-column:span 1!important;min-height:200px}
  .mat--a{grid-column:span 2!important;min-height:240px}
  .works{grid-template-columns:1fr}
  .work:nth-child(odd){border-right:0}
  .work:nth-last-child(2){border-bottom:1px solid var(--line)}
  .steps{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px solid var(--line);padding:22px 0}
  .step:last-child{border-bottom:0}
  .form__row{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .stage-row{grid-template-columns:1fr}
  .deflist div{grid-template-columns:1fr;gap:4px}
  .deflist dd{text-align:left}
  .bars{gap:18px}
  .header__cta{display:none}
}