/* ГК «ТрансТехКомплект» — сайт-визитка
   Концепция: однолинейная схема. Бумага, чернила, медная шина, фирменный синий. */

:root {
  --paper: #f3f1ec;
  --paper-2: #e9e6df;
  --ink: #0c1a2b;
  --ink-2: #4a5566;
  --ink-3: #8a93a0;
  --blue: #1b5fae;
  --blue-deep: #0d3a73;
  --copper: #c18a52;
  --copper-soft: #e4c7a5;
  --line: rgba(12, 26, 43, .14);
  --line-strong: rgba(12, 26, 43, .32);

  --f-display: "Unbounded", "Golos Text", sans-serif;
  --f-body: "Golos Text", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;

  --gutter: clamp(16px, 4vw, 56px);
  --max: 1440px;
  --header-h: 112px;
  --ease: cubic-bezier(.2, .7, .1, 1);
  /* масштаб фото при наведении; исходные значения: галерея 1.04, преимущества 1.05 */
  --zoom-shot: 1.08;
  --zoom-adv: 1.09;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* лёгкое зерно бумаги */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 100;
  opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
a { color: inherit; }
::selection { background: var(--copper); color: #fff; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.mono { font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  height: var(--header-h);
  display: flex; align-items: center;
  color: #fff;
  transition: background .4s var(--ease), color .4s var(--ease), box-shadow .4s;
}
.header.is-solid, .header--solid {
  background: rgba(243, 241, 236, .92);
  backdrop-filter: blur(10px);
  color: var(--ink);
  box-shadow: 0 1px 0 var(--line);
}
.header .wrap { display: flex; align-items: center; gap: 32px; }
.brand { display: flex; align-items: center; gap: 16px; text-decoration: none; }
.brand img { width: 82px; height: 96px; flex: none; transition: filter .4s; }
/* над тёмным фото героя — светлый ореол, чтобы синий знак читался */
.header:not(.is-solid):not(.header--solid):not(.menu-open) .brand img { filter: drop-shadow(0 0 1px rgba(255,255,255,.9)) drop-shadow(0 0 8px rgba(255,255,255,.55)); }
.brand__name { font: 700 clamp(15px, 1.3vw, 19px)/1.1 var(--f-display); letter-spacing: -.01em; }
.brand__name small { display: block; font: 400 10px/1.4 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; opacity: .7; }
.nav { display: flex; gap: 28px; margin-left: auto; }
.nav a { text-decoration: none; font-size: 15px; position: relative; padding: 4px 0; }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px;
  background: var(--copper); transition: right .35s var(--ease);
}
.nav a:hover::after, .nav a[aria-current="page"]::after { right: 0; }
.header__phone { font: 500 15px var(--f-mono); text-decoration: none; white-space: nowrap; }
.burger { display: none; margin-left: auto; background: none; border: 0; color: inherit; width: 44px; height: 44px; cursor: pointer; }
.burger span { display: block; width: 24px; height: 2px; background: currentColor; margin: 6px auto; transition: transform .3s; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: flex-end;
  color: #fff; overflow: hidden;
  background: var(--ink);
}
.hero__img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.08); animation: heroZoom 2.4s var(--ease) forwards;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(12,26,43,.55) 0%, rgba(12,26,43,.05) 35%, rgba(12,26,43,.85) 100%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, transparent 1px 120px);
}
.hero__inner { position: relative; z-index: 2; padding-bottom: clamp(40px, 8vh, 96px); padding-top: 140px; width: 100%; }
.hero__tag { display: inline-flex; align-items: center; gap: 12px; color: var(--copper-soft); margin-bottom: 28px; }
.hero__tag::before { content: ""; width: 40px; height: 2px; background: var(--copper); }
.hero h1 {
  margin: 0; max-width: 15ch;
  font: 800 clamp(40px, 7.4vw, 116px)/.95 var(--f-display);
  letter-spacing: -.035em;
}
.hero h1 em { font-style: normal; color: var(--copper-soft); }
.hero__bottom {
  margin-top: clamp(32px, 6vh, 64px);
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px; align-items: end;
  border-top: 1px solid rgba(255,255,255,.25); padding-top: 24px;
}
.hero__lead { margin: 0; max-width: 52ch; font-size: clamp(16px, 1.4vw, 19px); color: rgba(255,255,255,.85); }
.btn {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 18px 28px; border-radius: 999px;
  background: var(--copper); color: #fff; text-decoration: none;
  font: 600 15px var(--f-body);
  transition: background .3s, transform .3s var(--ease);
}
.btn:hover { background: var(--blue); transform: translateY(-2px); }
.btn svg { width: 18px; height: 18px; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn--ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--ink); }
.btn--ghost:hover { background: var(--ink); color: #fff; }

/* поэтапная загрузка первого экрана */
.load { opacity: 0; transform: translateY(24px); animation: rise .9s var(--ease) forwards; }
.load-1 { animation-delay: .25s; } .load-2 { animation-delay: .4s; }
.load-3 { animation-delay: .6s; }  .load-4 { animation-delay: .8s; }
@keyframes rise { to { opacity: 1; transform: none; } }
@keyframes heroZoom { to { transform: scale(1); } }

/* ---------- Sections ---------- */
.section { padding: clamp(80px, 12vw, 160px) 0; position: relative; }
.sec-head { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 24px 48px; margin-bottom: clamp(40px, 6vw, 80px); }
.sec-label { display: flex; align-items: center; gap: 12px; color: var(--ink-2); padding-top: 14px; align-self: start; }
/* узел однолинейной схемы */
.sec-label::before {
  content: ""; width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid var(--copper); background: var(--paper); flex: none;
  box-shadow: 0 0 0 4px var(--paper);
}
.sec-label::after { content: ""; flex: 1; height: 2px; background: var(--copper); }
.sec-title {
  margin: 0;
  font: 700 clamp(26px, 4.6vw, 68px)/1.02 var(--f-display);
  letter-spacing: -.03em;
  max-width: 18ch;
}
.sec-title span { color: var(--blue); }
.sec-intro { grid-column: 2; margin: 0; max-width: 62ch; font-size: clamp(17px, 1.5vw, 20px); color: var(--ink-2); }

/* ---------- About ---------- */
.about__grid { display: grid; grid-template-columns: 220px minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.timeline { grid-column: 2; list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--copper); }
.timeline li { position: relative; padding: 0 0 40px 32px; }
.timeline li::before {
  content: ""; position: absolute; left: -8px; top: 6px; width: 14px; height: 14px; border-radius: 50%;
  background: var(--paper); border: 2px solid var(--copper);
}
.timeline b { display: block; font: 800 clamp(36px, 4vw, 56px)/1 var(--f-display); letter-spacing: -.03em; color: var(--blue); margin-bottom: 10px; }
.timeline p { margin: 0; color: var(--ink-2); max-width: 44ch; }
.about__photo { grid-column: 3; position: relative; }
.about__photo img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.about__photo figcaption, .cap { margin-top: 12px; font: 400 13px/1.5 var(--f-body); color: var(--ink-3); }
.about__photo::before {
  content: "до 500 кВ"; position: absolute; left: -32px; bottom: 56px; z-index: 2;
  background: var(--blue); color: #fff; padding: 14px 20px;
  font: 700 20px var(--f-display); letter-spacing: -.02em;
}
.about__mission {
  grid-column: 2 / 4; margin: 24px 0 0;
  font: 500 clamp(22px, 2.6vw, 36px)/1.3 var(--f-display); letter-spacing: -.02em;
  max-width: 34ch;
}
.about__mission::before { content: "“"; color: var(--copper); }
.about__mission::after { content: "”"; color: var(--copper); }

/* ---------- Numbers ---------- */
.numbers { background: var(--ink); color: #fff; overflow: hidden; }
.numbers .sec-label { color: rgba(255,255,255,.6); }
.numbers .sec-label::before { background: var(--ink); box-shadow: 0 0 0 4px var(--ink); }
.numbers .sec-title span { color: var(--copper-soft); }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid rgba(255,255,255,.18); }
.stat { padding: 40px 32px 40px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.stat:not(:nth-child(3n)) { border-right: 1px solid rgba(255,255,255,.18); }
.stat:not(:nth-child(3n+1)) { padding-left: 32px; }
.stat__num { font: 800 clamp(56px, 8vw, 128px)/.9 var(--f-display); letter-spacing: -.05em; display: flex; align-items: baseline; gap: 8px; }
.stat__num small { font-size: .32em; letter-spacing: -.02em; color: var(--copper); }
.stat p { margin: 18px 0 0; color: rgba(255,255,255,.65); max-width: 26ch; }
.team { margin-top: 64px; display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 1px; background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.18); }
.team div { background: var(--ink); padding: 24px; }
.team b { display: block; font: 700 32px/1 var(--f-display); color: var(--copper-soft); margin-bottom: 8px; }
.team span { font-size: 14px; color: rgba(255,255,255,.7); }

/* ---------- Services ---------- */
.services { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-strong); counter-reset: svc; }
.service {
  counter-increment: svc;
  display: grid; grid-template-columns: 220px minmax(0, 1fr) minmax(0, 1fr); gap: 48px;
  padding: 36px 0; border-bottom: 1px solid var(--line-strong);
  transition: background .4s;
}
.service::before { content: counter(svc, decimal-leading-zero); font: 500 14px var(--f-mono); color: var(--copper); padding-top: 8px; }
.service h3 { margin: 0; font: 700 clamp(22px, 2.4vw, 34px)/1.1 var(--f-display); letter-spacing: -.02em; transition: color .3s; }
.service p { margin: 0; color: var(--ink-2); }
.service:hover h3 { color: var(--blue); }
.service:hover { background: linear-gradient(90deg, var(--paper-2), transparent); }

.band { margin-top: clamp(56px, 8vw, 96px); position: relative; }
.band img { width: 100%; height: clamp(160px, 22vw, 320px); object-fit: cover; filter: saturate(.85); }
.band .cap { margin-top: 12px; }

/* ---------- Equipment ---------- */
.equipment { background: var(--paper-2); }
.eq-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 2px solid var(--ink); }
.eq-col { padding: 28px 28px 8px 0; }
.eq-col + .eq-col { padding-left: 28px; border-left: 1px solid var(--line-strong); }
.eq-col h3 { margin: 0 0 20px; font: 700 18px/1.2 var(--f-display); letter-spacing: -.01em; }
.eq-col h3 .mono { display: block; color: var(--copper); margin-bottom: 8px; }
.eq-col ul { list-style: none; margin: 0; padding: 0; }
.eq-col li { padding: 12px 0; border-top: 1px solid var(--line); font-size: 15px; line-height: 1.45; }
.eq-col li em { font-style: normal; font-family: var(--f-mono); font-size: 12.5px; color: var(--blue); white-space: nowrap; }

/* ---------- Advantages ---------- */
.adv { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 20px; }
.adv-card {
  position: relative; overflow: hidden;
  padding: 36px; min-height: 300px;
  display: flex; flex-direction: column; justify-content: space-between;
  background: #fff; border: 1px solid var(--line);
  transition: transform .5s var(--ease), box-shadow .5s;
}
.adv-card:hover { transform: translateY(-6px); box-shadow: 0 24px 48px -24px rgba(12,26,43,.35); }
.adv-card h3 { margin: 0; font: 700 clamp(24px, 2.4vw, 34px)/1.05 var(--f-display); letter-spacing: -.025em; }
.adv-card p { margin: 24px 0 0; color: var(--ink-2); max-width: 40ch; }
.adv-card .mono { color: var(--copper); margin-bottom: 40px; }
.adv-card--wide { grid-column: span 7; }
.adv-card--narrow { grid-column: span 5; }
.adv-card--third { grid-column: span 4; }
.adv-card--blue { background: var(--blue); color: #fff; border-color: transparent; }
.adv-card--blue p { color: rgba(255,255,255,.8); }
.adv-card--blue .mono { color: var(--copper-soft); }
.adv-card--photo { color: #fff; border: 0; background: var(--ink); }
.adv-card--photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .45; transition: transform 1.2s var(--ease), opacity .6s; }
.adv-card--photo:hover img { transform: scale(var(--zoom-adv)); opacity: .35; }
.adv-card--photo > *:not(img) { position: relative; }
.adv-card--photo p { color: rgba(255,255,255,.85); }
.adv-card--photo .mono { color: var(--copper-soft); }
.adv-big { font: 800 clamp(64px, 9vw, 140px)/.85 var(--f-display); letter-spacing: -.05em; color: var(--copper-soft); }

/* ---------- Clients ---------- */
.clients { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); }
.client { padding: 48px 24px; text-align: left; transition: background .4s; }
.client + .client { border-left: 1px solid var(--line-strong); }
.client b { display: block; font: 800 clamp(22px, 2.4vw, 34px)/1 var(--f-display); letter-spacing: -.03em; margin-bottom: 12px; }
.client span { font-size: 14px; color: var(--ink-2); }
.client:hover { background: var(--ink); color: #fff; }
.client:hover span { color: rgba(255,255,255,.7); }
.client:hover b { color: var(--copper-soft); }

/* ---------- Experience ---------- */
.gallery { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 20px; grid-auto-flow: dense; }
.shot { margin: 0; position: relative; overflow: hidden; background: var(--paper-2); }
.shot img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.shot:hover img { transform: scale(var(--zoom-shot)); }
.shot figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 48px 20px 16px; color: #fff;
  background: linear-gradient(transparent, rgba(12,26,43,.85));
  font-size: 14px; line-height: 1.4;
}
.shot figcaption b { display: block; font: 700 18px/1.2 var(--f-display); letter-spacing: -.01em; margin-bottom: 4px; }
.s-7 { grid-column: span 7; aspect-ratio: 16/10; }
.s-5 { grid-column: span 5; aspect-ratio: 4/5; }
.s-5w { grid-column: span 5; aspect-ratio: 16/12.5; }
.s-4 { grid-column: span 4; aspect-ratio: 4/3.4; }
.s-8 { grid-column: span 8; aspect-ratio: 16/9; }
.s-4t { grid-column: span 4; aspect-ratio: 4/5.2; }
.exp-cta { margin-top: 56px; display: flex; flex-wrap: wrap; gap: 24px 48px; align-items: center; justify-content: space-between; border-top: 1px solid var(--line-strong); padding-top: 32px; }
.exp-cta p { margin: 0; max-width: 56ch; color: var(--ink-2); }

/* ---------- Current ---------- */
.current { background: var(--blue-deep); color: #fff; overflow: hidden; }
.current .sec-label { color: rgba(255,255,255,.65); }
.current .sec-label::before { background: var(--blue-deep); box-shadow: 0 0 0 4px var(--blue-deep); }
.current .sec-title span { color: var(--copper-soft); }
.current .sec-intro { color: rgba(255,255,255,.75); }
.cur-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.cur-list { list-style: none; margin: 0; padding: 0; }
.cur-list li { display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 16px; padding: 24px 0; border-top: 1px solid rgba(255,255,255,.2); }
.cur-list li:last-child { border-bottom: 1px solid rgba(255,255,255,.2); }
.cur-list .mono { color: var(--copper-soft); padding-top: 4px; }
.cur-list b { display: block; font: 700 20px/1.25 var(--f-display); letter-spacing: -.01em; margin-bottom: 6px; }
.cur-list span { color: rgba(255,255,255,.72); font-size: 15px; }
.cur-photo { position: sticky; top: calc(var(--header-h) + 24px); }
.cur-photo img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.live { display: inline-flex; align-items: center; gap: 10px; }
.live::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #5fd38a; box-shadow: 0 0 0 0 rgba(95,211,138,.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(95,211,138,0); } 100% { box-shadow: 0 0 0 0 rgba(95,211,138,0); } }

/* ---------- Contacts ---------- */
.contacts__grid { display: grid; grid-template-columns: 220px minmax(0, 1fr) minmax(0, 1.2fr); gap: 48px; }
.contact-list { grid-column: 2; margin: 0; }
.contact-list dt { color: var(--copper); margin-top: 28px; }
.contact-list dt:first-child { margin-top: 0; }
.contact-list dd { margin: 8px 0 0; font: 600 clamp(20px, 2vw, 28px)/1.25 var(--f-display); letter-spacing: -.02em; }
.contact-list dd a { text-decoration: none; background: linear-gradient(var(--copper), var(--copper)) 0 100% / 0 2px no-repeat; transition: background-size .4s var(--ease); }
.contact-list dd a:hover { background-size: 100% 2px; }
.contact-list dd.addr { font: 500 18px/1.5 var(--f-body); letter-spacing: 0; max-width: 34ch; }
.map { grid-column: 3; min-height: 440px; border: 1px solid var(--line-strong); background: var(--paper-2); position: relative; }
.map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; filter: grayscale(.4) contrast(1.05); }

/* ---------- Footer ---------- */
.footer { background: var(--blue); color: #fff; padding: clamp(64px, 8vw, 112px) 0 32px; overflow: hidden; }
.footer__top { display: flex; flex-wrap: wrap; gap: 32px; justify-content: space-between; align-items: flex-start; }
.footer__slogan { margin: 0; font: 700 clamp(26px, 3.4vw, 48px)/1.05 var(--f-display); letter-spacing: -.03em; max-width: 16ch; }
.footer__slogan span { color: var(--copper-soft); }
.footer__links { display: flex; gap: 48px; flex-wrap: wrap; }
.footer__links ul { list-style: none; margin: 0; padding: 0; }
.footer__links li { margin-bottom: 8px; }
.footer__links a { text-decoration: none; opacity: .85; }
.footer__links a:hover { opacity: 1; text-decoration: underline; text-decoration-color: var(--copper-soft); }
.footer__word {
  margin: clamp(48px, 7vw, 96px) 0 0;
  font: 800 clamp(40px, 15vw, 216px)/.82 var(--f-display);
  letter-spacing: -.06em; white-space: nowrap;
}
.footer__word span { display: block; }
.footer__word span:last-child { color: var(--copper-soft); }
.footer__bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.25); display: flex; flex-wrap: wrap; gap: 12px 32px; justify-content: space-between; font-size: 13px; opacity: .8; }

/* ---------- Projects page ---------- */
.page-hero { padding: calc(var(--header-h) + clamp(56px, 8vw, 112px)) 0 clamp(40px, 6vw, 72px); border-bottom: 1px solid var(--line-strong); }
.page-hero h1 { margin: 0; font: 800 clamp(30px, 9vw, 128px)/.92 var(--f-display); letter-spacing: -.045em; }
.page-hero h1 span { color: var(--blue); }
.page-hero p { margin: 28px 0 0; max-width: 60ch; color: var(--ink-2); font-size: clamp(17px, 1.5vw, 20px); }
.crumbs { margin-bottom: 32px; color: var(--ink-2); }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--blue); }

.filters { position: sticky; top: var(--header-h); z-index: 10; background: rgba(243,241,236,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); padding: 16px 0; }
.filters .wrap { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; min-width: 0; }
.chip {
  border: 1.5px solid var(--line-strong); background: transparent; color: var(--ink);
  border-radius: 999px; padding: 9px 16px; cursor: pointer;
  font: 500 14px var(--f-body); transition: all .25s;
}
.chip:hover { border-color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip sup { font: 500 10px var(--f-mono); margin-left: 4px; opacity: .6; }
.search { margin-left: auto; position: relative; }
.search input {
  width: min(320px, 70vw); padding: 10px 16px 10px 40px; border-radius: 999px;
  border: 1.5px solid var(--line-strong); background: #fff; font: 400 15px var(--f-body); color: var(--ink);
}
.search input:focus { outline: none; border-color: var(--blue); }
.search svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--ink-3); }

.plist { list-style: none; margin: 0; padding: 0; }
.prow { display: grid; grid-template-columns: 72px minmax(0, 1fr) auto; gap: 24px; padding: 26px 0; border-bottom: 1px solid var(--line); align-items: start; animation: rise .5s var(--ease) both; }
.prow__n { font: 500 13px var(--f-mono); color: var(--copper); padding-top: 4px; }
.prow h3 { margin: 0; font: 600 clamp(17px, 1.5vw, 20px)/1.35 var(--f-body); }
.prow p { margin: 6px 0 0; color: var(--ink-2); font-size: 15px; }
.prow__tags { display: flex; align-self: stretch; }
/* вертикальная метка категории у правого края строки */
.prow__tags .tag--cat { writing-mode: vertical-rl; display: flex; align-items: center; justify-content: center; padding: 10px 5px; font-weight: 700; letter-spacing: .06em; white-space: nowrap; }
.tag { font: 500 11px var(--f-mono); letter-spacing: .04em; text-transform: uppercase; padding: 5px 9px; border: 1px solid var(--line-strong); color: var(--ink-2); }
.tag--cat { background: var(--blue); border-color: var(--blue); color: #fff; }
.pcount { padding: 32px 0 8px; color: var(--ink-2); }
.pempty { padding: 64px 0; color: var(--ink-2); font-size: 18px; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .1s; } .reveal-d2 { transition-delay: .2s; } .reveal-d3 { transition-delay: .3s; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .nav { gap: 20px; }
  .header__phone { display: none; }
  .eq-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .eq-col:nth-child(3) { padding-left: 0; border-left: 0; }
  .adv-card--wide, .adv-card--narrow { grid-column: span 6; }
  .adv-card--third { grid-column: span 6; }
  .adv-card--third:last-child { grid-column: span 12; }
}
@media (max-width: 900px) {
  :root { --header-h: 80px; }
  .brand img { width: 55px; height: 64px; }
  .brand { gap: 12px; }
  .burger { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto; flex-direction: column; gap: 0;
    background: var(--paper); color: var(--ink); padding: 8px var(--gutter) 24px;
    box-shadow: 0 16px 32px -16px rgba(12,26,43,.3);
    transform: translateY(-120%); transition: transform .4s var(--ease);
  }
  .nav a { padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 18px; }
  .nav.is-open { transform: none; }
  .header.menu-open { background: var(--paper); color: var(--ink); }
  .burger[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .burger[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

  .sec-head, .about__grid, .contacts__grid { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .sec-label { padding-top: 0; }
  .sec-intro, .timeline, .about__photo, .about__mission, .contact-list, .map { grid-column: 1; }
  .about__photo::before { left: 0; bottom: 48px; }
  .stats { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .stat, .stat:not(:nth-child(3n+1)) { padding: 28px 16px 28px 0; border-right: 0; }
  .stat:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.18); }
  .stat:nth-child(even) { padding-left: 16px; }
  .service { grid-template-columns: 48px minmax(0, 1fr); gap: 12px 16px; }
  .service p { grid-column: 2; }
  .clients { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .client:nth-child(3) { border-left: 0; }
  .client:nth-child(n+3) { border-top: 1px solid var(--line-strong); }
  .gallery { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; }
  .s-7, .s-8 { grid-column: span 2; aspect-ratio: 16/10; }
  .s-5, .s-5w, .s-4, .s-4t { grid-column: span 1; aspect-ratio: 4/5; }
  .shot figcaption { padding: 32px 12px 10px; font-size: 12px; }
  .shot figcaption b { font-size: 14px; }
  .cur-grid { grid-template-columns: minmax(0, 1fr); }
  .cur-photo { position: static; }
  .cur-photo img { aspect-ratio: 16/10; }
  .map { min-height: 340px; }
  .prow { grid-template-columns: 44px minmax(0, 1fr) auto; gap: 16px; }
  .search { margin-left: 0; width: 100%; }
  .search input { width: 100%; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .hero__bottom { grid-template-columns: minmax(0, 1fr); }
  .stats { grid-template-columns: minmax(0, 1fr); }
  .stat:nth-child(odd) { border-right: 0; }
  .stat:nth-child(even) { padding-left: 0; }
  .eq-grid { grid-template-columns: minmax(0, 1fr); }
  .eq-col + .eq-col { padding-left: 0; border-left: 0; }
  .adv-card--wide, .adv-card--narrow, .adv-card--third, .adv-card--third:last-child { grid-column: span 12; }
  .adv-card { padding: 28px 24px; min-height: 240px; }
  .clients { grid-template-columns: minmax(0, 1fr); }
  .client + .client { border-left: 0; border-top: 1px solid var(--line-strong); }
  .client { padding: 28px 0; }
  .chips { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; width: 100%; }
  .filters .search { display: none; }
  .chip { flex: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .reveal, .load { opacity: 1; transform: none; }
}