@import url("/assets/fonts/fonts.css");

/* ============================================================
   ООО «РБТ» — rbt62.ru
   Палитра: асфальт + дорожная разметка (янтарь) + бетон
   ============================================================ */

:root {
  --ink: #0d0f12;
  --ink-2: #13161b;
  --steel: #1c2128;
  --steel-2: #262c35;
  --amber: #f2b400;
  --amber-2: #ffcb3d;
  --amber-d: #c89400;
  --paper: #ffffff;
  --paper-2: #f5f6f8;
  --concrete: #e8eaee;
  --text: #16191e;
  --muted: #5b6470;
  --muted-2: #8a929d;
  --line: #e3e6ea;
  --line-dark: rgba(255, 255, 255, .12);
  --radius: 14px;
  --radius-sm: 8px;
  --wrap: 1240px;
  --gap: 28px;
  --shadow-1: 0 1px 2px rgba(16, 20, 26, .05), 0 8px 24px rgba(16, 20, 26, .06);
  --shadow-2: 0 18px 44px rgba(16, 20, 26, .16);
  --font-head: "Oswald", "Arial Narrow", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.62;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; }
img { height: auto; }

a {
  color: inherit;
  text-decoration: none;
  transition: color .18s var(--ease), opacity .18s var(--ease);
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: .01em;
  margin: 0 0 .5em;
  text-transform: uppercase;
}

h1 { font-size: clamp(34px, 5.1vw, 64px); font-weight: 700; }
h2 { font-size: clamp(27px, 3.3vw, 44px); }
h3 { font-size: clamp(20px, 1.7vw, 25px); letter-spacing: .015em; }
h4 { font-size: 18px; letter-spacing: .02em; }

p { margin: 0 0 1.05em; }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0 0 1.05em; padding-left: 1.15em; }
li { margin-bottom: .45em; }

strong { font-weight: 600; }

::selection { background: var(--amber); color: var(--ink); }

:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- раскладка ---------- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

.section { padding: 92px 0; position: relative; }
.section--tight { padding: 64px 0; }
.section--paper2 { background: var(--paper-2); }
.section--dark { background: var(--ink); color: #eef1f4; }
.section--dark h2, .section--dark h3 { color: #fff; }
.section--dark p { color: #c3c9d1; }

.section-head { max-width: 760px; margin-bottom: 46px; }
.section-head--wide { max-width: 900px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 18px;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 3px;
  background: var(--amber);
  display: block;
  flex: none;
}

.section--dark .eyebrow { color: var(--amber-2); }

.lead {
  font-size: clamp(17px, 1.35vw, 19.5px);
  line-height: 1.6;
  color: var(--muted);
  max-width: 68ch;
}

.section--dark .lead { color: #b9c0c9; }

.grid { display: grid; gap: var(--gap); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- кнопки ---------- */

.btn {
  --btn-bg: var(--amber);
  --btn-fg: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 30px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .18s var(--ease), background .18s var(--ease),
              box-shadow .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}

.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(242, 180, 0, .28); }
.btn:active { transform: translateY(0); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: #fff;
  border-color: rgba(255, 255, 255, .34);
}
.btn--ghost:hover {
  --btn-fg: var(--ink);
  background: #fff;
  border-color: #fff;
  box-shadow: 0 12px 26px rgba(0, 0, 0, .28);
}

.btn--outline {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  border-color: #cfd4da;
}
.btn--outline:hover { --btn-fg: var(--ink); background: var(--ink); color: #fff; border-color: var(--ink); box-shadow: none; }

.btn--dark { --btn-bg: var(--ink); --btn-fg: #fff; }
.btn--dark:hover { box-shadow: 0 12px 26px rgba(13, 15, 18, .3); }

.btn--sm { min-height: 44px; padding: 0 22px; font-size: 13.5px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 14.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text);
  border-bottom: 2px solid var(--amber);
  padding-bottom: 3px;
}
.link-arrow::after { content: "\2192"; transition: transform .18s var(--ease); }
.link-arrow:hover::after { transform: translateX(4px); }

/* ---------- шапка ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(13, 15, 18, .92);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  color: #fff;
  transition: background .25s var(--ease), box-shadow .25s var(--ease);
}

.header.is-scrolled {
  background: rgba(13, 15, 18, .98);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .3);
}

.header__bar {
  display: flex;
  align-items: center;
  gap: 32px;
  min-height: 78px;
}

.brand { display: flex; align-items: center; gap: 14px; flex: none; }
.brand__mark { width: 46px; height: auto; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.brand__sub {
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
  margin-top: 3px;
}

.nav { margin-left: auto; }
.nav__list {
  display: flex;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__list li { margin: 0; }
.nav__link {
  position: relative;
  display: block;
  padding: 8px 0;
  font-size: 14px;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-family: var(--font-head);
  color: rgba(255, 255, 255, .78);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--amber);
  transition: width .2s var(--ease);
}
.nav__link:hover { color: #fff; }
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { width: 100%; }
.nav__link[aria-current="page"] { color: #fff; }

.header__cta { flex: none; }

.burger {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 10px;
  background: transparent;
  color: #fff;
  cursor: pointer;
  padding: 0;
  flex: none;
}
.burger span,
.burger span::before,
.burger span::after {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}
.burger span { position: relative; margin: 0 auto; }
.burger span::before,
.burger span::after { content: ""; position: absolute; left: 0; }
.burger span::before { top: -6px; }
.burger span::after { top: 6px; }
.burger[aria-expanded="true"] span { background: transparent; }
.burger[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

/* мобильное меню */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 78px 0 0;
  z-index: 80;
  background: var(--ink);
  color: #fff;
  padding: 26px 28px 40px;
  overflow-y: auto;
  border-top: 1px solid rgba(255, 255, 255, .08);
}
.mobile-menu.is-open { display: block; }
.mobile-menu__list { list-style: none; margin: 0 0 26px; padding: 0; }
.mobile-menu__list li { margin: 0; border-bottom: 1px solid rgba(255, 255, 255, .09); }
.mobile-menu__list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 17px 2px;
  font-family: var(--font-head);
  font-size: 19px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.mobile-menu__list a::after { content: "\2192"; color: var(--amber); font-size: 16px; }
.mobile-menu__foot { display: grid; gap: 10px; font-size: 15px; color: #c3c9d1; }
.mobile-menu__foot a { color: #fff; }
body.is-locked { overflow: hidden; }

/* ---------- hero ---------- */

.hero {
  position: relative;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 520px at 78% 18%, rgba(242, 180, 0, .16), transparent 62%),
    radial-gradient(700px 460px at 8% 88%, rgba(242, 180, 0, .07), transparent 65%);
  z-index: -2;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), rgba(0, 0, 0, .25) 62%, transparent);
  z-index: -1;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.07fr) minmax(0, .93fr);
  gap: 48px;
  align-items: center;
  padding: 74px 0 84px;
  min-height: 620px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--amber-2);
  margin-bottom: 22px;
}
.hero__eyebrow::before { content: ""; width: 38px; height: 3px; background: var(--amber); }

.hero h1 { color: #fff; margin-bottom: 22px; }
.hero h1 em {
  font-style: normal;
  color: var(--amber);
}

.hero__text {
  font-size: clamp(16.5px, 1.3vw, 19px);
  color: #bcc3cc;
  max-width: 56ch;
  margin-bottom: 34px;
}

.hero__art {
  position: relative;
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
}

.hero__art svg, .hero__art img { width: 100%; height: auto; max-height: 560px; }

/* дорога «вплывает» в фон героя без видимой рамки */
.hero__art img {
  -webkit-mask-image: radial-gradient(ellipse 64% 62% at 50% 54%, #000 42%, rgba(0, 0, 0, .55) 68%, transparent 88%);
  mask-image: radial-gradient(ellipse 64% 62% at 50% 54%, #000 42%, rgba(0, 0, 0, .55) 68%, transparent 88%);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border-top: 1px solid rgba(255, 255, 255, .12);
  background: rgba(255, 255, 255, .12);
}

.hero__stat {
  background: var(--ink);
  padding: 26px 26px 30px;
}

.hero__stat b {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(30px, 3vw, 42px);
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: .01em;
}
.hero__stat span {
  display: block;
  font-size: 13.5px;
  line-height: 1.4;
  color: #aab2bc;
  letter-spacing: .01em;
}

/* ---------- бегущая строка ---------- */

.ticker {
  background: var(--amber);
  color: var(--ink);
  overflow: hidden;
  padding: 13px 0;
}
.ticker__track {
  display: flex;
  gap: 42px;
  width: max-content;
  animation: ticker 46s linear infinite;
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: .17em;
  text-transform: uppercase;
  white-space: nowrap;
  will-change: transform;
}
.ticker__track span { display: inline-flex; align-items: center; gap: 42px; }
.ticker__track span::after { content: "\25C6"; font-size: 9px; opacity: .55; }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

@media (prefers-reduced-motion: reduce) {
  .ticker__track { animation: none; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- карточки направлений ---------- */

.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 30px 28px 32px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease),
              border-color .22s var(--ease);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 4px;
  background: var(--amber);
  transition: width .3s var(--ease);
}

.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-2); border-color: #d5dae0; }
.card:hover::before { width: 100%; }

.card__num {
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--muted-2);
}
.card__icon {
  width: 46px;
  height: 46px;
  color: var(--ink);
  margin: 2px 0 4px;
}
.card__icon svg { width: 100%; height: 100%; display: block; }
.card h3 { margin: 0; font-size: 21px; }
.card p { color: var(--muted); font-size: 15.2px; margin: 0; }
.card__more { margin-top: auto; padding-top: 6px; }

/* ---------- о компании / сплит ---------- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: 56px;
  align-items: center;
}

.split--reverse .split__media { order: 2; }

.facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 30px;
}
.fact { background: #fff; padding: 22px 24px; }
.fact b {
  display: block;
  font-family: var(--font-head);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 6px;
}
.fact b i { font-style: normal; color: var(--amber-d); }
.fact span { font-size: 13.6px; color: var(--muted); line-height: 1.35; display: block; }

.note {
  border-left: 3px solid var(--amber);
  padding: 4px 0 4px 18px;
  color: var(--muted);
  font-size: 15px;
  margin-top: 26px;
}

/* ---------- терминал ---------- */

.terminal {
  position: relative;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
}
.terminal::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(760px 420px at 12% 30%, rgba(242, 180, 0, .13), transparent 66%);
  pointer-events: none;
}
.terminal__grid {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: 54px;
  align-items: center;
  position: relative;
}
.terminal__art svg { width: 100%; height: auto; display: block; }

.spec-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.spec-list li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 14px;
  padding: 17px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  margin: 0;
  color: #c9cfd7;
  font-size: 15.4px;
}
.spec-list li:first-child { border-top: 1px solid rgba(255, 255, 255, .1); }
.spec-list li b { color: #fff; font-weight: 600; display: block; margin-bottom: 2px; }
.spec-list svg { width: 22px; height: 22px; color: var(--amber); margin-top: 3px; }

.pill-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.pill {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 999px;
  font-size: 13.4px;
  letter-spacing: .04em;
  color: #e7ebef;
  font-family: var(--font-head);
  text-transform: uppercase;
}

/* ---------- шаги ---------- */

.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; counter-reset: step; }
.step {
  position: relative;
  padding: 28px 24px 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  counter-increment: step;
}
.step::before {
  content: "0" counter(step);
  font-family: var(--font-head);
  font-size: 34px;
  font-weight: 700;
  color: var(--concrete);
  display: block;
  line-height: 1;
  margin-bottom: 14px;
}
.step h3 { font-size: 18.5px; margin-bottom: 8px; }
.step p { font-size: 14.8px; color: var(--muted); margin: 0; }
.step::after {
  content: "";
  position: absolute;
  right: -12px;
  top: 50%;
  width: 12px;
  height: 2px;
  background: var(--line);
}
.step:last-child::after { display: none; }

/* ---------- преимущества ---------- */

.advantages { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 34px; }
.adv {
  position: relative;
  padding: 6px 0 6px 24px;
  border-left: 4px solid var(--amber);
}
.adv h3 { font-size: 19px; margin-bottom: 8px; }
.adv p { color: var(--muted); font-size: 15.2px; margin: 0; }

/* ---------- CTA полоса ---------- */

.cta {
  background: var(--amber);
  color: var(--ink);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}
.cta::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -120px;
  width: 460px;
  height: 460px;
  border: 34px solid rgba(13, 15, 18, .08);
  border-radius: 50%;
  pointer-events: none;
}
.cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  position: relative;
}
.cta h2 { margin: 0 0 10px; color: var(--ink); }
.cta p { margin: 0; color: rgba(13, 15, 18, .78); max-width: 58ch; }

/* ---------- контакты ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
  gap: 54px;
  align-items: start;
}

.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 20px; }
.contact-list li { margin: 0; display: grid; grid-template-columns: 46px 1fr; gap: 16px; align-items: start; }
.contact-list .ico {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
}
.contact-list .ico svg { width: 22px; height: 22px; }
.contact-list .label {
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted-2);
  display: block;
  margin-bottom: 3px;
}
.contact-list .value { font-size: 18px; font-weight: 500; }
.contact-list .value a { border-bottom: 2px solid var(--amber); }
.contact-list .value a:hover { color: var(--amber-d); }
.contact-list small { display: block; color: var(--muted); font-size: 13.6px; margin-top: 3px; }

.form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-1);
}
.form h3 { margin-bottom: 6px; }
.form__hint { font-size: 14px; color: var(--muted); margin-bottom: 22px; }
.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.field { display: block; margin-bottom: 14px; }
.field span {
  display: block;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 7px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  font-size: 15.5px;
  color: var(--text);
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 13px 15px;
  transition: border-color .18s var(--ease), background .18s var(--ease), box-shadow .18s var(--ease);
}
.field textarea { min-height: 116px; resize: vertical; }
.field select {
  appearance: none;
  -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) 22px, calc(100% - 14px) 22px;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 40px;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(242, 180, 0, .18);
}
.field input:invalid:not(:placeholder-shown) { border-color: #e05252; }
.form__foot { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 6px; }
.form__note { font-size: 12.6px; color: var(--muted-2); max-width: 34ch; line-height: 1.45; }
.form__note a { text-decoration: underline; }
.form__status { font-size: 14px; margin-top: 14px; display: none; }
.form__status.is-ok { display: block; color: #1f7a4d; }
.form__status.is-err { display: block; color: #c0392b; }

.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- реквизиты ---------- */

.requisites {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 30px;
}
.requisites div { background: #fff; padding: 20px 22px; }
.requisites dt {
  font-size: 11.6px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 6px;
}
.requisites dd { margin: 0; font-size: 16.5px; font-weight: 500; }

/* ---------- страницы ---------- */

.page-hero {
  background: var(--ink);
  color: #fff;
  padding: 66px 0 58px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(720px 380px at 88% 12%, rgba(242, 180, 0, .14), transparent 62%),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: auto, 68px 100%;
  pointer-events: none;
}
.page-hero__inner { position: relative; max-width: 900px; }
.page-hero h1 { margin-bottom: 16px; }
.page-hero p { color: #bcc3cc; font-size: 17.5px; max-width: 66ch; }

.crumbs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 12.6px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
  margin-bottom: 20px;
  font-family: var(--font-head);
}
.crumbs a:hover { color: #fff; }
.crumbs span { color: var(--amber); }

.prose { max-width: 78ch; }
.prose h2 { margin-top: 1.4em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 1.6em; }
.prose ul li { margin-bottom: .55em; }

.media-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink);
  min-height: 320px;
  display: grid;
  place-items: center;
  padding: 34px;
}
.media-card svg, .media-card img { width: 100%; height: auto; display: block; }
.media-card--light { background: var(--paper-2); border: 1px solid var(--line); min-height: 232px; }

.timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  left: 92px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--line);
}
.timeline li {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 34px;
  padding: 18px 0;
  margin: 0;
}
.timeline b {
  font-family: var(--font-head);
  font-size: 27px;
  font-weight: 600;
  color: var(--ink);
  padding-top: 4px;
}
.timeline b.is-accent { color: var(--amber-d); }
.timeline div { color: var(--muted); font-size: 15.5px; padding-left: 34px; position: relative; }
.timeline div::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(242, 180, 0, .18);
}

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table.specs { width: 100%; border-collapse: collapse; background: #fff; font-size: 15.2px; }
table.specs th, table.specs td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
table.specs thead th {
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--paper-2);
  font-weight: 500;
}
table.specs tbody tr:last-child td { border-bottom: 0; }
table.specs tbody tr:hover { background: #fcfcfd; }

.accordion { border-top: 1px solid var(--line); }
.acc { border-bottom: 1px solid var(--line); }
.acc__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  background: none;
  border: 0;
  font: inherit;
  font-family: var(--font-head);
  font-size: 19px;
  letter-spacing: .03em;
  text-transform: uppercase;
  text-align: left;
  color: var(--text);
  cursor: pointer;
}
.acc__btn i {
  flex: none;
  width: 30px;
  height: 30px;
  border: 1px solid #cfd4da;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-style: normal;
  font-size: 18px;
  color: var(--muted);
  transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}
.acc__btn[aria-expanded="true"] i { transform: rotate(45deg); background: var(--amber); color: var(--ink); border-color: var(--amber); }
.acc__panel { display: none; padding: 0 0 24px; color: var(--muted); font-size: 15.5px; max-width: 78ch; }
.acc__panel.is-open { display: block; }

/* ---------- подвал ---------- */

.footer { background: var(--ink); color: #a9b0ba; padding: 58px 0 28px; font-size: 14.6px; }
.footer a { color: #d7dce2; }
.footer a:hover { color: var(--amber); }
.footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, .8fr) minmax(0, 1fr);
  gap: 44px;
  padding-bottom: 38px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer__brand { display: flex; gap: 16px; align-items: flex-start; }
.footer__brand .brand__mark { width: 54px; }
.footer__brand strong {
  display: block;
  font-family: var(--font-head);
  font-size: 18px;
  letter-spacing: .12em;
  color: #fff;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.footer__nav { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.footer__nav li { margin: 0; }
.footer__col h4 {
  font-family: var(--font-head);
  font-size: 12.5px;
  letter-spacing: .2em;
  color: rgba(255, 255, 255, .45);
  margin-bottom: 16px;
}
.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  flex-wrap: wrap;
  padding-top: 22px;
  font-size: 13.2px;
  color: #7d858f;
}
.footer__bottom a { color: #9aa2ac; }

/* ---------- иконки (спрайт) ---------- */

.card__icon svg,
.spec-list svg,
.contact-list .ico svg,
.form svg,
.big-icon {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.big-icon { width: 112px; height: 112px; stroke-width: 1.05; color: var(--ink); }
.media-card--light .big-icon { color: var(--ink); opacity: .85; }

.icon-row { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- прочее ---------- */

.to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .14);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
  z-index: 70;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--amber); color: var(--ink); }

/* Появление блоков: анимируем только если JS на месте (html.js),
   иначе контент виден всегда. */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--amber);
  color: var(--ink);
  padding: 12px 20px;
  z-index: 200;
  font-weight: 600;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- адаптив ---------- */

@media (max-width: 1100px) {
  .nav__list { gap: 18px; }
  .nav__link { font-size: 13px; }
  .header__cta .btn { padding: 0 20px; }
  .hero__inner { gap: 30px; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step::after { display: none; }
}

@media (max-width: 940px) {
  .section { padding: 66px 0; }
  .nav { display: none; }
  .burger { display: block; margin-left: auto; }
  .header__cta { display: none; }
  .header__bar { min-height: 72px; }
  .mobile-menu { inset: 72px 0 0; }
  .hero__inner { grid-template-columns: 1fr; padding: 52px 0 60px; min-height: 0; }
  .hero__art { display: none; }
  .hero__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split, .terminal__grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .split--reverse .split__media { order: 0; }
  .advantages { grid-template-columns: 1fr; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .requisites { grid-template-columns: 1fr; }
  .timeline::before { left: 66px; }
  .timeline li { grid-template-columns: 66px 1fr; gap: 20px; }
  .timeline div { padding-left: 26px; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .wrap { padding: 0 18px; }
  .section { padding: 54px 0; }
  .cards, .grid--2, .grid--3, .grid--4, .steps, .facts { grid-template-columns: 1fr; }
  .hero__stats { grid-template-columns: 1fr; }
  .hero__stat { padding: 20px 18px; }
  .form { padding: 22px; }
  .form__row { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .cta__inner .btn-row { width: 100%; }
  .footer__top { grid-template-columns: 1fr; gap: 30px; }
  .brand__sub { display: none; }
  .page-hero { padding: 46px 0 40px; }
  .timeline b { font-size: 22px; }
  .timeline::before { left: 56px; }
  .timeline li { grid-template-columns: 56px 1fr; gap: 16px; }
  .media-card { min-height: 220px; padding: 20px; }
}