:root {
  --bg-dark: #0B0F17;
  --bg-transition: #161B26;
  --cold: #F8FAFC;
  --accent: #0066FF;
  --accent-2: #3385ff;
  --ink: #10141c;
  --ink-soft: #4b5563;
  --graphite: #151a23;
  --graphite-2: #1d2430;
  --bg: #f5f6f8;
  --surface: #ffffff;
  --line: #e4e7ec;
  --accent-soft: #e8edf7;
  --ok: #1e8e5a;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 12px 40px rgba(16, 20, 28, .08);
  --shadow-sm: 0 6px 18px rgba(16, 20, 28, .05);
  --font: "Montserrat", "Raleway", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --container: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  max-width: 100%;
  overflow-x: hidden;
}
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  max-width: 100%;
  overflow-x: hidden;
}
@supports (overflow: clip) {
  html, body { overflow-x: clip; }
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul { list-style: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* ---------- typography ---------- */
.h1, .h2, .h3 { font-weight: 800; line-height: 1.15; letter-spacing: -.02em; }
.nowrap { white-space: nowrap; }
.h1 { font-size: clamp(34px, 5.2vw, 60px); }
.h2 { font-size: clamp(26px, 3.4vw, 40px); }
.h3 { font-size: clamp(19px, 2vw, 24px); }
.lead { font-size: clamp(17px, 1.8vw, 20px); color: var(--ink-soft); font-weight: 500; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--accent); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 30px; border-radius: 60px; border: 1px solid transparent;
  font-size: 15px; font-weight: 700; line-height: 1;
  transition: transform .2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow .2s cubic-bezier(0.4, 0, 0.2, 1), background .2s cubic-bezier(0.4, 0, 0.2, 1), color .2s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn:active { transform: scale(.98); }
.btn--primary { background: var(--accent); color: #fff; box-shadow: 0 10px 24px rgba(40, 70, 147, .28); }
.btn--primary:hover { background: var(--accent-2); transform: translateY(-2px); }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn--ghost { border-color: rgba(255,255,255,.35); color: #fff; }
.btn--ghost:hover { background: rgba(255,255,255,.1); }
.btn--dark { background: var(--graphite); color: #fff; }
.btn--dark:hover { background: var(--graphite-2); transform: translateY(-2px); }
.btn--block { width: 100%; }
.btn--sm { padding: 11px 22px; font-size: 14px; }

/* ---------- sections ---------- */
.section { padding: 88px 0; }
.section--alt { background: var(--surface); }
.section--dark { background: var(--graphite); color: #fff; }
.section__head { max-width: 720px; margin-bottom: 48px; }
.section--dark .lead { color: #aeb6c4; }
.section--dark .eyebrow { color: #8fa8e0; }
.section--dark .eyebrow::before { background: #8fa8e0; }
.section--center { text-align: center; }
.section--center .section__head { margin-left: auto; margin-right: auto; }

/* ---------- grid ---------- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- cards ---------- */
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 32px;
  transition: transform .25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow .25s cubic-bezier(0.4, 0, 0.2, 1), border-color .25s cubic-bezier(0.4, 0, 0.2, 1);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #d3d9e2; }
.card__icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 20px; font-size: 24px;
}
.card__icon svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.card__title { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.card__text { color: var(--ink-soft); font-size: 14.5px; }
.card--plain { padding: 0; border: 0; box-shadow: none; background: transparent; }
.card--plain:hover { transform: none; box-shadow: none; }

/* ---------- techno effects ---------- */
.techno-grid { position: relative; }
.techno-grid::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none; z-index: 0;
}
.ambient-glow { position: relative; }
.ambient-glow::before {
  content: ""; position: absolute; inset: -20%;
  background: radial-gradient(circle at center, rgba(0,102,255,.12), transparent 70%);
  pointer-events: none; z-index: 0;
}
.glass {
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0,0,0,.12);
}
.glass--dark {
  background: rgba(11,15,23,.6);
  border-color: rgba(255,255,255,.08);
}

/* ---------- header ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s cubic-bezier(0.4, 0, 0.2, 1);
}
.header.is-scrolled { box-shadow: 0 6px 24px rgba(16,20,28,.07); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; height: 74px; }
.header__logo { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 18px; }
.header__logo img { height: 48px; width: auto; flex: none; object-fit: contain; }
.header__nav { display: flex; align-items: center; margin: 0 auto; }
.header__menu { display: flex; align-items: center; gap: 20px; margin: 0; padding: 0; list-style: none; }
.header__contacts { display: flex; align-items: center; gap: 16px; margin-left: auto; }
.header__phone { font-weight: 800; font-size: 15px; white-space: nowrap; }
.header__burger { display: none; background: none; border: 0; width: 40px; height: 40px; position: relative; }
.header__burger span, .header__burger span::before, .header__burger span::after {
  content: ""; position: absolute; width: 22px; height: 2px; background: var(--ink);
  left: 9px; top: 19px; transition: .25s cubic-bezier(0.4, 0, 0.2, 1);
}
.header__burger span::before { top: -7px; }
.header__burger span::after { top: 7px; }
body.menu-open .header__burger span { background: transparent; }
body.menu-open .header__burger span::before { top: 0; transform: rotate(45deg); }
body.menu-open .header__burger span::after { top: 0; transform: rotate(-45deg); }

/* ---------- dropdown ---------- */
.nav__item--dropdown { position: relative; }
.nav__link--dropdown { display: inline-flex; align-items: center; gap: 4px; font-size: 14.5px; font-weight: 600; color: var(--ink-soft); transition: color .2s; white-space: nowrap; text-decoration: none; background: none; border: 0; font-family: inherit; cursor: pointer; padding: 0; }
.nav__link--dropdown:hover { color: var(--ink); }
.dropdown-arrow { font-size: 12px; line-height: 1; opacity: .7; }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 8px 0;
  min-width: 240px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s, transform .2s, visibility .2s;
  z-index: 1000;
}
.nav__item--dropdown:hover .dropdown-menu,
.nav__item--dropdown.is-open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.header__menu, .dropdown-menu { list-style: none; padding: 0; margin: 0; }
.dropdown-menu__link {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  white-space: nowrap;
  transition: background .15s, color .15s;
  text-decoration: none;
}
.dropdown-menu__link:hover { background: var(--accent-soft); color: var(--accent); }

/* ---------- hero ---------- */
.hero { position: relative; padding: 160px 0 96px; overflow-x: hidden; }
@supports (overflow: clip) {
  .hero { overflow-x: clip; }
}
.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__grid-placeholder { position: absolute; inset: 0; background: linear-gradient(180deg, #eef1f6, var(--bg)); }
.hero--dark .hero__grid-placeholder { background: transparent; }
.hero__inner { max-width: 1480px; display: grid; grid-template-columns: .95fr 1.35fr; gap: 40px; align-items: center; }
.hero__inner > * { min-width: 0; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 60px;
  padding: 9px 18px; font-size: 13px; font-weight: 600; color: var(--ink-soft); margin-bottom: 24px;
}
.hero__badge b { color: var(--accent); }
.hero h1 { margin: 0 0 20px; }
.hero h1 span { color: var(--accent); }
.hero__lead { max-width: 560px; margin-bottom: 28px; font-size: 18px; color: var(--ink-soft); }
.hero__text { max-width: 560px; margin-bottom: 32px; color: var(--ink-soft); font-size: 15px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px; }
.hero__meta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__meta-item {
  display: flex; align-items: center; gap: 10px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 10px 16px; font-size: 13.5px; font-weight: 600;
}
.hero__meta-item svg { color: var(--accent); flex: none; }
.hero__media { position: relative; align-self: center; z-index: 1; }
.hero__media::before {
  content: ""; position: absolute; inset: -60px -80px -70px -30px; z-index: -1;
  background: radial-gradient(closest-side, rgba(40,70,147,.16), transparent 72%);
  pointer-events: none;
}
.hero__photo { position: relative; z-index: 2; transform: scale(1.07); margin: 0 -36px -26px -24px; }
.hero__photo img {
  width: 100%; height: auto; object-fit: contain; display: block;
  filter: drop-shadow(0 34px 56px rgba(16,20,28,.22));
  animation: float 7s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.hero__media-chip {
  position: absolute; left: -10px; bottom: 18px;
  background: var(--graphite); color: #fff; border-radius: 16px;
  padding: 16px 20px; font-size: 13px; font-weight: 600; line-height: 1.4; max-width: 250px;
  box-shadow: var(--shadow); z-index: 3;
}
.hero__media-chip b { display: block; font-size: 16px; }
.hero--dark { background: var(--bg-dark); color: #fff; }
.hero--dark .hero__lead, .hero--dark .hero__text { color: #b9c0cd; }
.hero--dark .hero__badge { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.15); color: #d6dae2; }
.hero--dark .hero__badge b { color: #8fa8e0; }
.hero--dark .hero__media img {
  width: 100%; height: auto; object-fit: contain;
  filter: drop-shadow(0 40px 70px rgba(0,0,0,.55));
}
.hero--dark .hero__photo { transform: scale(1.12); margin: 0 -48px -48px -28px; }
.hero--dark .hero__photo--production {
  aspect-ratio: 16 / 9; margin: 0; transform: none; overflow: hidden;
  border: 1px solid rgba(88,133,210,.2); border-radius: 26px;
  box-shadow: 0 38px 90px rgba(0,0,0,.46), 0 0 70px rgba(0,102,255,.08);
}
.hero--dark .hero__photo--production img {
  width: 100%; height: 100%; object-fit: cover; object-position: center;
  animation: none; filter: none;
}
.hero--scanning .hero__media { width: 100%; max-width: 680px; min-width: 0; justify-self: end; }
.hero--scanning .hero__photo { margin: 0; transform: none; overflow: hidden; border-radius: 24px; }
.hero--scanning .hero__photo img { animation: none; }
.hero--dark .hero__media::before { background: radial-gradient(closest-side, rgba(0,102,255,.22), transparent 72%); }
.hero--dark .hero__meta-item { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.12); color: #d6dae2; }
.hero--dark .hero__meta-item svg { color: var(--accent); }

/* ---------- services blocks (main page) ---------- */
.service-block { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 56px; padding: 88px 0; }
.service-block--dark { background: var(--graphite); color: #fff; }
.service-block--reverse .service-block__content { order: 2; }
.service-block__content { max-width: 560px; }
.service-block__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.service-block--dark .lead, .service-block--dark .card__text { color: #b9c0cd; }
.service-block__media { position: relative; }
.service-block__media img { border-radius: var(--radius-lg); width: 100%; height: 440px; object-fit: cover; box-shadow: var(--shadow); }
.service-block__media.drop { border-radius: var(--radius-lg); background: linear-gradient(180deg,#fff, #eef1f6); box-shadow: var(--shadow-sm); overflow: hidden; }
.service-block__media.drop img { border-radius: 0; object-fit: contain; height: 440px; box-shadow: none; padding: 16px; }
.service-block--dark .service-block__media.drop { background: var(--graphite-2); }
#about .service-block { padding-bottom: 216px; }
#about .about-cards { transform: translateY(128px); }
.about-cards .card__title { min-height: 2lh; }

/* ---------- features ---------- */
.feature { display: flex; gap: 16px; align-items: flex-start; }
.feature__num {
  flex: none; width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); font-weight: 800; font-size: 17px;
}
.feature__title { font-weight: 700; margin-bottom: 4px; }
.feature__text { color: var(--ink-soft); font-size: 14.5px; }

/* ---------- steps ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.step { position: relative; padding-top: 52px; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; top: 0; left: 0;
  font-size: 40px; font-weight: 800; color: rgba(255,255,255,.14); letter-spacing: -.02em;
}
.step__title { font-weight: 700; margin-bottom: 6px; }
.step__text { font-size: 13.5px; color: #aeb6c4; }

/* ---------- spec table ---------- */
.spec-table { width: 100%; border-collapse: collapse; background: var(--surface); border-radius: var(--radius-lg); overflow: hidden; }
.spec-table th, .spec-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14.5px; vertical-align: top; }
.spec-table th { background: var(--accent-soft); color: var(--accent); font-size: 13px; text-transform: uppercase; letter-spacing: .06em; white-space: nowrap; }
.spec-table tr:last-child td { border-bottom: 0; }
.spec-table td:first-child { color: var(--ink-soft); font-weight: 600; white-space: nowrap; }
.spec-table td:last-child { font-weight: 600; }

/* ---------- сравнение Пластик | Металл ---------- */
.compare-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: stretch; }
.compare-card {
  border-radius: var(--radius-lg); overflow: hidden;
  background: var(--surface); display: flex; flex-direction: column;
  box-shadow: var(--shadow-sm); transition: transform .3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow .3s cubic-bezier(0.4, 0, 0.2, 1);
}
.compare-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.compare-card--metal { background: var(--graphite); position: relative; }
.compare-card--metal::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  border-radius: var(--radius-lg); padding: 1px;
  background: linear-gradient(135deg, rgba(255,255,255,.18), rgba(255,255,255,.04), rgba(0,102,255,.35), rgba(255,255,255,.08));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.compare-card__media { position: relative; height: 260px; overflow: hidden; background: #e9ecf2; }
.compare-card--metal .compare-card__media { background: var(--graphite-2); }
.compare-card--plastic .compare-card__media { background: linear-gradient(180deg, #161B26, #1d2430); }
.compare-card__media img { width: 100%; height: 100%; object-fit: contain; object-position: center; padding: 16px; display: block; }
.compare__tag {
  position: absolute; left: 16px; bottom: 16px; z-index: 2;
  background: rgba(10,13,18,.82); color: #fff; border-radius: 60px;
  padding: 8px 16px; font-size: 13px; font-weight: 700; letter-spacing: .02em;
  backdrop-filter: blur(6px);
}
.compare-card--plastic .compare__tag { background: rgba(0,102,255,.88); }
.compare-card__body { padding: 28px 28px 30px; display: flex; flex-direction: column; flex: 1; position: relative; z-index: 1; }
.compare-card--metal .compare-card__body { color: #fff; }
.compare-card__title { font-size: 23px; font-weight: 800; margin-bottom: 8px; }
.compare-card__sub { font-size: 14.5px; color: var(--ink-soft); margin-bottom: 20px; }
.compare-card--metal .compare-card__sub { color: #aeb6c4; }
.compare-card__tabs { display: inline-flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.compare-tab {
  padding: 6px 14px; border-radius: 60px; border: 1px solid var(--line);
  background: var(--surface); font-weight: 700; font-size: 12.5px; color: var(--ink-soft);
  transition: .2s cubic-bezier(0.4, 0, 0.2, 1); cursor: pointer; white-space: nowrap;
}
.compare-tab:hover { border-color: var(--accent); color: var(--accent); }
.compare-tab.is-active { background: var(--accent); border-color: var(--accent); color: #fff; }
.compare-card--metal .compare-tab { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.15); color: #c3c9d4; }
.compare-card--metal .compare-tab:hover { border-color: var(--accent); color: #fff; }
.compare-card--metal .compare-tab.is-active { background: var(--accent); border-color: var(--accent); color: #fff; }
.compare-card__specs { display: grid; gap: 0; margin-bottom: 24px; border-top: 1px solid rgba(255,255,255,0.08); }
.compare-spec { display: grid; grid-template-columns: 34% 1fr; gap: 14px; font-size: 13.8px; line-height: 1.45; border-bottom: 1px solid rgba(255,255,255,0.08); padding: 8px 0; }
.compare-spec__label { font-weight: 700; color: var(--ink); opacity: 0.6; font-size: 0.85rem; }
.compare-spec__value { color: var(--ink-soft); }
.compare-card--metal .compare-spec__label { color: #8fa8e0; }
.compare-card--metal .compare-spec__value { color: #cdd3dd; }
.compare-card__foot { margin-top: auto; }

/* ---------- tabs ---------- */
.tabs__nav { display: flex; gap: 10px; margin-bottom: 32px; flex-wrap: wrap; }
.tabs__btn {
  padding: 13px 28px; border-radius: 60px; border: 1px solid var(--line);
  background: var(--surface); font-weight: 700; font-size: 15px; color: var(--ink-soft);
  transition: .2s cubic-bezier(0.4, 0, 0.2, 1);
}
.tabs__btn:hover { border-color: var(--accent); color: var(--accent); }
.tabs__btn.is-active { background: var(--accent); border-color: var(--accent); color: #fff; }
.tabs__panel { display: none; animation: fadeUp .4s cubic-bezier(0.4, 0, 0.2, 1); }
.tabs__panel.is-active { display: block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* material picker */
.materials { display: grid; grid-template-columns: 320px 1fr; gap: 28px; align-items: start; }
.materials__list { display: flex; flex-direction: column; gap: 8px; }
.materials__btn {
  text-align: left; padding: 15px 20px; border-radius: 14px; border: 1px solid var(--line);
  background: var(--surface); font-weight: 700; font-size: 15px; color: var(--ink);
  transition: .2s cubic-bezier(0.4, 0, 0.2, 1);
}
.materials__btn:hover { border-color: var(--accent); }
.materials__btn.is-active { background: var(--graphite); border-color: var(--graphite); color: #fff; }
.materials__panel { display: none; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; }
.materials__panel.is-active { display: block; animation: fadeUp .35s cubic-bezier(0.4, 0, 0.2, 1); }
.materials__panel h3 { margin-bottom: 8px; }
.materials__panel .lead { margin-bottom: 20px; }

/* ---------- accordion ---------- */
.accordion { border-bottom: 1px solid var(--line); }
.accordion__item { border-top: 1px solid var(--line); }
.accordion__btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: none; border: 0; text-align: left; padding: 22px 4px;
  font-size: 17px; font-weight: 700; color: var(--ink);
}
.accordion__icon { flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; transition: transform .25s cubic-bezier(0.4, 0, 0.2, 1); }
.accordion__icon svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.accordion__item.is-open .accordion__icon { transform: rotate(45deg); }
.accordion__body { max-height: 0; overflow: hidden; transition: max-height .35s cubic-bezier(0.4, 0, 0.2, 1); }
.accordion__body-inner { padding: 0 4px 24px; color: var(--ink-soft); font-size: 15px; max-width: 760px; }
.section--dark .accordion__item { border-color: rgba(255,255,255,.12); }
.section--dark .accordion__btn { color: #fff; }
.section--dark .accordion__body-inner { color: #aeb6c4; }

/* ---------- gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gallery__filter { grid-column: 1 / -1; }
.gallery__item { position: relative; border-radius: var(--radius); overflow: hidden; cursor: zoom-in; aspect-ratio: 1/1.15; background: #e9ecf2; }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s cubic-bezier(0.4, 0, 0.2, 1); }
.gallery__item:hover img { transform: scale(1.06); }
.gallery__caption {
  position: absolute; inset: auto 0 0 0; padding: 40px 16px 14px;
  background: linear-gradient(transparent, rgba(10, 13, 18, .78));
  color: #fff; font-size: 13px; font-weight: 600;
}
.gallery__item b { display: block; font-size: 14.5px; }
.gallery__filter { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.gallery__filter button { padding: 11px 22px; border-radius: 60px; border: 1px solid var(--line); background: var(--surface); font-weight: 700; font-size: 14px; color: var(--ink-soft); transition: .2s; }
.gallery__filter button.is-active { background: var(--graphite); border-color: var(--graphite); color: #fff; }
.gallery__filter button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.gallery--hide { display: none; }

/* lightbox */
.lightbox { position: fixed; inset: 0; z-index: 300; background: rgba(8, 11, 16, .92); display: none; align-items: center; justify-content: center; padding: 40px; }
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 84vh; border-radius: 10px; }
.lightbox__close { position: absolute; top: 24px; right: 28px; background: none; border: 0; color: #fff; font-size: 34px; line-height: 1; }

/* ---------- contacts ---------- */
.contact-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px; display: flex; gap: 18px; align-items: flex-start; }
.contact-card__icon { flex: none; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); font-size: 21px; }
.contact-card__icon svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.contact-card__title { font-weight: 700; margin-bottom: 4px; }
.contact-card__text { color: var(--ink-soft); font-size: 14.5px; line-height: 1.5; }
.contact-card__text a:hover { color: var(--accent); }
.section--dark .contact-card { background: var(--graphite-2); border-color: rgba(255,255,255,.1); }
.section--dark .contact-card__text { color: #aeb6c4; }

/* ---------- form ---------- */
.form { background: var(--graphite); border-radius: var(--radius-lg); padding: 40px; color: #fff; }
.form__title { font-size: 24px; font-weight: 800; margin-bottom: 8px; }
.form__sub { color: #aeb6c4; font-size: 14.5px; margin-bottom: 24px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field--full { grid-column: 1 / -1; }
.form-field label { font-size: 13px; font-weight: 600; color: #c6ccd8; }
.form-field input, .form-field textarea {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16); color: #fff;
  border-radius: 12px; padding: 14px 16px; font: inherit; font-size: 15px; outline: none;
  transition: border-color .2s cubic-bezier(0.4, 0, 0.2, 1), background .2s cubic-bezier(0.4, 0, 0.2, 1);
}
.form-field input:focus, .form-field textarea:focus { border-color: var(--accent-2); background: rgba(255,255,255,.1); }
.form-field input::placeholder, .form-field textarea::placeholder { color: #7e8798; }
.form-field textarea { resize: vertical; min-height: 96px; }
.form-file {
  position: relative; display: flex; align-items: center; gap: 12px;
  border: 1px dashed rgba(255,255,255,.28); border-radius: 12px; padding: 14px 16px;
  font-size: 14px; color: #c6ccd8; cursor: pointer;
}
.form-file input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.form-file svg { flex: none; width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.form-consent { display: flex; gap: 10px; align-items: flex-start; font-size: 12.5px; color: #9aa3b3; line-height: 1.5; }
.form-consent a { color: #8fa8e0; text-decoration: underline; }
.form-consent input { margin-top: 3px; accent-color: var(--accent-2); }
.form-msg { font-size: 14.5px; font-weight: 600; }
.form-msg.is-error { color: #ff8a8a; }
.form-msg.is-ok { color: #7ddfa8; }
.form-hint-file { font-size: 12.5px; color: #9aa3b3; margin-top: 4px; }

/* ---------- mobile bar ---------- */
.mobile-bar { display: none; }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(0.4, 0, 0.2, 1), transform .7s cubic-bezier(0.4, 0, 0.2, 1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- footer ---------- */
.footer { background: #0d1119; color: #fff; padding: 64px 0 32px; }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 1fr 2fr; gap: 40px; }
.footer__logo { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 18px; margin-bottom: 18px; }
.footer__logo img { height: 48px; width: auto; object-fit: contain; }
.footer__about { color: #8f97a6; font-size: 13.5px; max-width: 260px; }
.footer__title { font-size: 13px; text-transform: uppercase; letter-spacing: .1em; color: #e2e8f0; margin-bottom: 16px; }
.footer__nav li { margin-bottom: 10px; }
.footer__nav a { color: #c3c9d4; font-size: 14.5px; transition: color .2s; }
.footer__nav a:hover { color: #fff; }
.footer__contacts { display: flex; flex-direction: column; gap: 12px; }
.footer__contacts a { color: #c3c9d4; font-size: 14.5px; }
.footer__contacts a:hover { color: #fff; }
.footer__bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); color: #ffffff; font-size: 12.5px; }
.footer__socials { display: flex; gap: 10px; }
.footer__socials a {
  width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.07);
  display: grid; place-items: center; color: #c3c9d4; transition: .2s cubic-bezier(0.4, 0, 0.2, 1);
}
.footer__socials a:hover { background: var(--accent); color: #fff; }

/* ---------- CTA ---------- */
.cta { position: relative; background: var(--graphite); color: #fff; text-align: center; padding: 96px 0; overflow: hidden; }
.cta__inner { position: relative; z-index: 1; }
.cta h2 { margin-bottom: 16px; }
.cta p { max-width: 620px; margin: 0 auto 36px; color: #aeb6c4; font-size: 17px; }
.cta .btn + .btn { margin-left: 14px; }

/* ---------- map ---------- */
.map-wrap { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.map-wrap iframe { display: block; width: 100%; height: 420px; border: 0; }
.map-actions { display: flex; gap: 12px; margin-top: 18px; flex-wrap: wrap; }

/* ---------- page hero ---------- */
.page-hero { padding: 150px 0 72px; background: var(--graphite); color: #fff; }
.page-hero .lead { color: #b9c0cd; max-width: 720px; }
.page-hero__crumbs { font-size: 13px; color: #8f97a6; margin-bottom: 20px; }
.page-hero__crumbs a:hover { color: #8fa8e0; }
.page-hero--light { background: linear-gradient(180deg, #eef1f6, var(--bg)); color: var(--ink); }
.page-hero--light .lead { color: var(--ink-soft); }
.page-hero--light .page-hero__crumbs { color: #8b93a1; }

/* ---------- badges/chips ---------- */
.chip { display: inline-flex; align-items: center; gap: 8px; background: var(--accent-soft); color: var(--accent); border-radius: 60px; padding: 7px 14px; font-size: 12.5px; font-weight: 700; }
.section--dark .chip { background: rgba(255,255,255,.08); color: #8fa8e0; }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .compare { grid-template-columns: 1fr; }
  .compare__vs { display: none; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .materials { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .header__logo img, .footer__logo img { height: 42px; }
  .header__nav, .header__contacts .btn, .header__phone { display: none; }
  .header__burger { display: block; }
  .header__nav {
    display: flex; flex-direction: column; gap: 6px;
    position: fixed; inset: 74px 0 auto 0; background: #fff;
    padding: 20px 24px 28px; border-bottom: 1px solid var(--line);
    transform: translateY(-120%); transition: transform .3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  body.menu-open .header__nav { transform: none; }
  .header__menu { flex-direction: column; align-items: stretch; gap: 0; }
  .header__menu > li { border-bottom: 1px solid var(--line); }
  .header__menu a, .nav__link--dropdown { font-size: 17px; padding: 12px 0; display: block; width: 100%; text-align: left; }
  .dropdown-menu { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: 0; border-radius: 0; padding: 0 0 0 16px; background: transparent; display: none; }
  .nav__item--dropdown.is-open .dropdown-menu { display: block; }
  .section { padding: 64px 0; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .compare-cards { grid-template-columns: 1fr; gap: 24px; }
  .hero { padding: 120px 0 64px; }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__badge { max-width: 100%; flex-wrap: wrap; }
  .hero__meta-item { max-width: 100%; overflow-wrap: anywhere; }
  .hero__actions .btn { max-width: 100%; white-space: normal; }
  .hero__media { order: -1; }
  .hero__photo { transform: none; margin: 0; max-width: 360px; }
  .hero__photo--production { max-width: 100%; margin: 0 auto; }
  .hero__media::before { display: none; }
  .hero__photo img { max-height: 320px; margin: 0 auto; }
  .service-block { grid-template-columns: 1fr; gap: 32px; padding: 64px 0; }
  .service-block--reverse .service-block__content { order: 0; }
  .service-block__media img { height: 260px; }
  #about .service-block { padding-bottom: 64px; }
  #about .about-cards { transform: none; }
  .about-cards .card__title { min-height: 0; }
  .form-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .spec-table { font-size: 13px; }
  .spec-table th, .spec-table td { padding: 12px 14px; white-space: normal !important; }
  .compare-spec { grid-template-columns: 1fr; gap: 2px; }
  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .mobile-bar {
    display: grid; grid-template-columns: 1fr 1fr 1fr;
    position: fixed; inset: auto 0 0 0; z-index: 150;
    background: var(--graphite); color: #fff;
  }
  .mobile-bar a { padding: 13px 6px; text-align: center; font-size: 11.5px; font-weight: 700; color: #cdd3dd; display: flex; flex-direction: column; align-items: center; gap: 4px; }
  .mobile-bar a.is-accent { background: var(--accent); color: #fff; }
  .mobile-bar svg { width: 20px; height: 20px; }
  body { padding-bottom: 0; }
  .form { padding: 28px 20px; }
  .steps { grid-template-columns: 1fr; }
}