:root {
  --bg: #040a17;
  --bg-2: #071328;
  --card: #0a1830;
  --card-2: #0d1f3d;
  --line: rgba(64, 140, 255, .16);
  --line-2: rgba(64, 140, 255, .32);
  --text: #eef4ff;
  --muted: #8ea3c4;
  --accent: #1677ff;
  --accent-2: #18a8ff;
  --glow: 0 0 24px rgba(22, 119, 255, .55);
  --ok: #22c55e;
  --hot: #ff3b4e;
  --radius: 14px;
  --container: 1240px;
  --font-head: 'Oswald', 'Arial Narrow', sans-serif;
  --font: 'Manrope', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(1200px 600px at 80% -10%, rgba(22, 119, 255, .14), transparent 60%),
    radial-gradient(900px 500px at -10% 40%, rgba(24, 168, 255, .06), transparent 60%);
  color: var(--text);
  font: 15px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, .h { font-family: var(--font-head); font-weight: 600; letter-spacing: .01em; margin: 0; }
h1 { font-size: clamp(36px, 5.2vw, 64px); line-height: 1.02; text-transform: uppercase; }
h2 { font-size: clamp(26px, 3vw, 36px); line-height: 1.1; }
.accent { color: var(--accent-2); text-shadow: 0 0 30px rgba(24, 168, 255, .5); }
.muted { color: var(--muted); }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: 13px; color: var(--muted); font-weight: 600; }

/* ——— Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 48px; padding: 0 26px; border-radius: 10px; border: 1px solid transparent;
  background: var(--accent); color: #fff; font-weight: 600; cursor: pointer;
  box-shadow: 0 6px 24px rgba(22, 119, 255, .35);
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { background: #2a86ff; box-shadow: var(--glow); }
.btn:active { transform: scale(.97); }
.btn-ghost { background: transparent; border-color: var(--line-2); box-shadow: none; }
.btn-ghost:hover { background: rgba(22, 119, 255, .1); box-shadow: none; border-color: var(--accent); }
.btn-sm { height: 36px; padding: 0 16px; font-size: 13px; border-radius: 8px; }
.btn-block { width: 100%; }
.btn .ico { width: 18px; height: 18px; filter: brightness(0) invert(1); }

.icon-btn {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: transparent; border: 0; cursor: pointer; position: relative; transition: background .2s;
}
.icon-btn:hover { background: rgba(22, 119, 255, .12); }
.icon-btn img { width: 22px; height: 22px; filter: brightness(0) invert(.92); }
.icon-btn .count {
  position: absolute; top: 2px; right: 0; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px;
  background: var(--accent); color: #fff; font-size: 11px; font-weight: 700; display: grid; place-items: center;
}
.icon-btn .count:empty { display: none; }

/* ——— Header */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(4, 10, 23, .82); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header .container { display: flex; align-items: center; gap: 36px; height: 80px; }
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo img { width: 58px; height: 58px; border-radius: 50%; mix-blend-mode: screen; }
.logo span { font-family: var(--font-head); font-size: 24px; font-weight: 600; letter-spacing: .02em; }
.nav { display: flex; gap: 28px; flex: 1; }
.nav a { position: relative; color: #c9d6ee; font-weight: 500; padding: 28px 0; transition: color .2s; }
.nav a:hover { color: #fff; }
.nav a.active { color: #fff; }
.nav a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 18px; height: 2px;
  background: var(--accent-2); box-shadow: 0 0 10px var(--accent-2); border-radius: 2px;
}
.header-actions { display: flex; gap: 4px; margin-left: auto; }
.burger { display: none; }

.search-pop {
  position: absolute; left: 0; right: 0; top: 100%; background: var(--bg-2); border-bottom: 1px solid var(--line);
  padding: 16px 0; display: none;
}
.search-pop.open { display: block; }
.search-pop form { display: flex; gap: 10px; }

/* ——— Inputs */
.input, .select {
  height: 44px; border-radius: 10px; border: 1px solid var(--line-2); background: var(--card);
  padding: 0 14px; outline: none; transition: border-color .2s; width: 100%;
}
.input:focus, .select:focus { border-color: var(--accent); }
textarea.input { height: 100px; padding: 12px 14px; resize: vertical; }
.search-input { padding-left: 42px; background: var(--card) url('../assets/icons/search.svg') 14px center / 18px no-repeat; }

/* ——— Hero */
.hero { position: relative; overflow: hidden; padding: 72px 0 64px; min-height: 560px; display: flex; align-items: center; }
/* Фото магнитолы на всю правую часть, растворяется в фоне страницы */
.hero::before {
  content: ''; position: absolute; top: 0; right: 0; bottom: 0; width: 58%;
  background: url('../assets/img/hero-unit.jpg') center / cover no-repeat;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 22%), linear-gradient(to bottom, transparent 0%, #000 12%, #000 80%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(90deg, transparent 0%, #000 22%), linear-gradient(to bottom, transparent 0%, #000 12%, #000 80%, transparent 100%);
  mask-composite: intersect;
}
.hero .container { position: relative; display: grid; grid-template-columns: 1fr 1.15fr; align-items: center; gap: 24px; width: 100%; }
.hero .hero-media { visibility: hidden; }
.hero p.lead { font-size: 18px; color: #c9d6ee; margin: 20px 0 32px; max-width: 460px; }
.hero h1 .thin { font-weight: 400; font-size: .72em; display: block; margin-top: 6px; }
.hero-media { position: relative; }
.hero-media img { border-radius: 18px; mask-image: radial-gradient(ellipse 75% 75% at 55% 50%, #000 55%, transparent 100%); }
.hero-media::after {
  content: ''; position: absolute; left: 10%; right: 10%; bottom: 4%; height: 30px;
  background: var(--accent); filter: blur(40px); opacity: .5; z-index: -1;
}

/* ——— Features */
.features {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line); border-radius: var(--radius); background: rgba(10, 24, 48, .7);
}
.feature { display: flex; align-items: center; gap: 16px; padding: 22px 24px; }
.feature + .feature { border-left: 1px solid var(--line); }
.feature img { width: 40px; height: 40px; flex-shrink: 0; }
.feature b { display: block; font-weight: 600; }
.feature span { color: var(--muted); font-size: 13px; }

/* ——— Sections */
.section { padding: 64px 0 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.link-more { color: var(--accent-2); font-weight: 600; display: inline-flex; gap: 6px; align-items: center; }
.link-more img { width: 18px; }

/* ——— Category tiles */
.cats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.cat {
  position: relative; border-radius: var(--radius); overflow: hidden; background: var(--card);
  border: 1px solid var(--line); padding: 18px; min-height: 210px; display: flex; flex-direction: column;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.cat:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 10px 40px rgba(22, 119, 255, .22); }
.cat-img { flex: 1; display: grid; place-items: center; }
.cat-img img { max-height: 120px; object-fit: contain; }
.cat b { font-family: var(--font-head); font-size: 19px; font-weight: 500; text-transform: uppercase; margin-top: 12px; }
.cat span { font-size: 13px; color: var(--muted); }

/* ——— Product cards */
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card {
  position: relative; display: flex; flex-direction: column;
  background: linear-gradient(180deg, var(--card-2), var(--card)); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px; transition: border-color .25s, transform .25s, box-shadow .25s;
}
.card:hover { border-color: var(--line-2); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0, 0, 0, .4); }
.card-img {
  aspect-ratio: 4 / 3; border-radius: 10px; display: grid; place-items: center; overflow: hidden;
  background: radial-gradient(circle at 50% 60%, rgba(22, 119, 255, .22), transparent 70%), #050c1b;
}
.card-img img { width: 100%; height: 100%; object-fit: contain; padding: 10px; transition: transform .35s; }
.card-img img[src$='.jpg'] { object-fit: cover; padding: 0; }
.card:hover .card-img img { transform: scale(1.05); }
.card-body { padding: 14px 4px 4px; flex: 1; display: flex; flex-direction: column; }
.card-title { font-weight: 700; font-size: 16px; }
.card-sub { color: var(--muted); font-size: 13px; margin-top: 2px; }
.card-foot { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 14px; gap: 8px; }
.price { font-family: var(--font-head); font-size: 24px; font-weight: 500; white-space: nowrap; }
.cart-btn {
  width: 44px; height: 44px; border-radius: 10px; border: 0; background: var(--accent); cursor: pointer;
  display: grid; place-items: center; box-shadow: 0 4px 18px rgba(22, 119, 255, .4); transition: background .2s, transform .15s;
}
.cart-btn:hover { background: #2a86ff; }
.cart-btn:active { transform: scale(.92); }
.cart-btn img { width: 20px; filter: brightness(0) invert(1); }
.cart-btn.added { background: var(--ok); }
.fav {
  position: absolute; top: 22px; right: 22px; z-index: 2; width: 34px; height: 34px; border-radius: 50%;
  background: rgba(4, 10, 23, .6); border: 0; cursor: pointer; display: grid; place-items: center;
}
.fav img { width: 18px; filter: brightness(0) invert(.9); }
.fav.on img { filter: none; }
.fav.on { background: rgba(22, 119, 255, .25); }
.badge {
  position: absolute; top: 22px; left: 22px; z-index: 2; padding: 3px 10px; border-radius: 6px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
}
.badge.hit { background: var(--hot); }
.badge.new { background: var(--accent); }

/* ——— Promo banner */
.promo {
  position: relative; border-radius: 20px; overflow: hidden; border: 1px solid var(--line);
  display: grid; grid-template-columns: 1.1fr 1fr; min-height: 340px; background: var(--card);
}
.promo-text { padding: 48px; display: flex; flex-direction: column; justify-content: center; gap: 16px; position: relative; z-index: 1; }
.promo-media { position: relative; }
.promo-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.promo-media::before { content: ''; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, var(--card), transparent 40%); }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.checks li { display: flex; gap: 12px; align-items: center; }
.checks li::before {
  content: ''; width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
  background: var(--accent) url('../assets/icons/check-white.svg') center / 14px no-repeat;
  background-blend-mode: normal;
}

/* ——— Page head / breadcrumbs */
.page-head { padding: 28px 0 24px; }
.crumbs { display: flex; gap: 10px; color: var(--muted); font-size: 14px; margin-bottom: 14px; flex-wrap: wrap; }
.crumbs a:hover { color: #fff; }
.crumbs span::before { content: '›'; margin-right: 10px; }
.page-head h1 { font-size: clamp(30px, 3.6vw, 44px); text-transform: none; }

/* ——— Catalog */
.catalog { display: grid; grid-template-columns: 250px 1fr; gap: 28px; padding-bottom: 40px; }
.filters { align-self: start; position: sticky; top: 100px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.filter-group + .filter-group { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.filter-group h4 { margin: 0 0 12px; font-size: 14px; font-weight: 700; }
.check { display: flex; align-items: center; gap: 10px; padding: 4px 0; cursor: pointer; color: #c9d6ee; font-size: 14px; }
.check input { appearance: none; width: 18px; height: 18px; border-radius: 5px; border: 1.5px solid var(--line-2); margin: 0; display: grid; place-items: center; cursor: pointer; transition: .15s; }
.check input:checked { background: var(--accent) url('../assets/icons/check-white.svg') center / 12px no-repeat; border-color: var(--accent); }
.check em { margin-left: auto; font-style: normal; color: var(--muted); font-size: 12px; }
.cat-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.chip {
  height: 38px; padding: 0 16px; border-radius: 19px; border: 1px solid var(--line-2); background: transparent;
  cursor: pointer; display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; transition: .2s;
}
.chip img { width: 18px; }
.chip:hover { border-color: var(--accent); }
.chip.on { background: var(--accent); border-color: var(--accent); }
.chip.on img { filter: brightness(0) invert(1); }
.toolbar { display: flex; gap: 12px; margin-bottom: 18px; }
.toolbar .search-input { flex: 1; }
.toolbar .select { width: 210px; flex-shrink: 0; }
.price-range { display: flex; gap: 8px; }
.price-range .input { height: 38px; font-size: 13px; padding: 0 10px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.empty { padding: 60px 20px; text-align: center; color: var(--muted); border: 1px dashed var(--line-2); border-radius: var(--radius); }
.filters-toggle { display: none; }

/* ——— Product page */
.product { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; padding-bottom: 40px; }
.gallery { display: grid; grid-template-columns: 84px 1fr; gap: 14px; align-self: start; }
.thumbs { display: flex; flex-direction: column; gap: 10px; }
.thumbs button {
  aspect-ratio: 1; border-radius: 10px; border: 1px solid var(--line); background: #050c1b; padding: 4px; cursor: pointer; overflow: hidden;
}
.thumbs button img { width: 100%; height: 100%; object-fit: cover; border-radius: 6px; }
.thumbs button.on { border-color: var(--accent); box-shadow: 0 0 12px rgba(22, 119, 255, .5); }
.main-img {
  aspect-ratio: 1; border-radius: 18px; border: 1px solid var(--line); overflow: hidden; display: grid; place-items: center;
  background: radial-gradient(circle at 50% 55%, rgba(22, 119, 255, .3), transparent 65%), #050c1b;
}
.main-img img { width: 100%; height: 100%; object-fit: contain; padding: 24px; }
.main-img img[src$='.jpg'] { object-fit: cover; padding: 0; }
.p-info h1 { font-size: clamp(30px, 3.4vw, 42px); text-transform: none; }
.rating { display: flex; align-items: center; gap: 8px; margin: 12px 0; color: var(--muted); font-size: 14px; }
.stars { color: #fbbf24; letter-spacing: 2px; }
.stock { color: var(--ok); display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14px; }
.stock::before { content: ''; width: 9px; height: 9px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.p-price { font-family: var(--font-head); font-size: 44px; font-weight: 500; margin: 14px 0 18px; }
.variants { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 10px 0 20px; max-width: 340px; }
.variant { height: 44px; border-radius: 10px; border: 1px solid var(--line-2); background: transparent; cursor: pointer; font-weight: 600; transition: .2s; }
.variant.on { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 18px rgba(22, 119, 255, .45); }
.buy-row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.qty { display: flex; align-items: center; border: 1px solid var(--line-2); border-radius: 10px; height: 48px; }
.qty button { width: 40px; height: 100%; border: 0; background: transparent; cursor: pointer; font-size: 18px; }
.qty span { width: 32px; text-align: center; font-weight: 600; }
.spec-icons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.spec-icons div { display: flex; gap: 10px; align-items: center; font-size: 13px; color: #c9d6ee; }
.spec-icons img { width: 30px; }
.tabs { display: flex; gap: 28px; border-bottom: 1px solid var(--line); margin-bottom: 20px; overflow-x: auto; }
.tabs button { background: none; border: 0; padding: 14px 0; cursor: pointer; color: var(--muted); font-weight: 600; position: relative; white-space: nowrap; }
.tabs button.on { color: #fff; }
.tabs button.on::after { content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--accent-2); box-shadow: 0 0 8px var(--accent-2); }
.spec-table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.spec-table td { padding: 12px 18px; border-bottom: 1px solid var(--line); font-size: 14px; }
.spec-table tr:nth-child(odd) td { background: rgba(13, 31, 61, .6); }
.spec-table td:first-child { color: var(--muted); width: 45%; }
.review { padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.review + .review { margin-top: 12px; }

/* ——— Install page */
.install-hero { position: relative; min-height: 520px; display: flex; align-items: center; overflow: hidden; }
.install-hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.install-hero::before { content: ''; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, var(--bg) 25%, rgba(4, 10, 23, .4) 70%, rgba(4, 10, 23, .2)); }
.install-hero .container { position: relative; z-index: 2; width: 100%; }
.install-hero h1 { margin-bottom: 10px; }
.install-hero .sub { font-size: 22px; color: #c9d6ee; margin-bottom: 26px; }
.install-hero .checks { margin-bottom: 30px; }
.photo-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.photo-row img { aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: s; }
.step { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); position: relative; }
.step::before { counter-increment: s; content: '0' counter(s); font-family: var(--font-head); font-size: 40px; color: var(--accent-2); opacity: .9; display: block; line-height: 1; margin-bottom: 14px; }
.step b { display: block; margin-bottom: 6px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }
.prices { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.prices div { display: flex; justify-content: space-between; gap: 16px; padding: 16px 22px; border-bottom: 1px solid var(--line); }
.prices div:last-child { border: 0; }
.prices div:nth-child(odd) { background: rgba(13, 31, 61, .6); }
.prices b { font-family: var(--font-head); font-weight: 500; font-size: 18px; white-space: nowrap; }

/* ——— About */
.about-top { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; padding: 40px 0; }
.about-top p { font-size: 17px; color: #c9d6ee; }
.about-logo { text-align: center; }
.about-logo img { width: 260px; margin: 0 auto; border-radius: 50%; mix-blend-mode: screen; filter: drop-shadow(0 0 30px rgba(24, 168, 255, .5)); }
.about-logo b { display: block; font-family: var(--font-head); font-size: 36px; font-weight: 600; margin-top: 8px; }
.about-logo span { letter-spacing: .3em; color: #c9d6ee; font-weight: 600; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 30px; }
.stat { text-align: center; padding: 18px 10px; }
.stat img { width: 40px; margin: 0 auto 10px; }
.stat b { display: block; }
.stat span { color: var(--muted); font-size: 13px; }
.wide-photo { border-radius: 20px; overflow: hidden; border: 1px solid var(--line); }
.wide-photo img { width: 100%; aspect-ratio: 21 / 8; object-fit: cover; }

/* ——— Contacts */
.contacts { display: grid; grid-template-columns: 1fr 1.3fr; gap: 32px; padding-bottom: 40px; }
.contact-list { display: grid; gap: 22px; align-content: start; }
.contact-item { display: flex; gap: 16px; align-items: center; }
.contact-item .ci {
  width: 52px; height: 52px; border-radius: 50%; background: var(--accent); display: grid; place-items: center; flex-shrink: 0;
  box-shadow: 0 0 22px rgba(22, 119, 255, .5);
}
.contact-item .ci img { width: 24px; filter: brightness(0) invert(1); }
.contact-item b { display: block; font-size: 17px; }
.contact-item span { color: var(--muted); font-size: 13px; }
.map {
  position: relative; min-height: 420px; border-radius: 18px; border: 1px solid var(--line); overflow: hidden;
  background:
    linear-gradient(115deg, transparent 47%, rgba(24, 168, 255, .25) 48%, rgba(24, 168, 255, .25) 49%, transparent 50%),
    linear-gradient(25deg, transparent 60%, rgba(24, 168, 255, .18) 60.5%, rgba(24, 168, 255, .18) 61.3%, transparent 62%),
    linear-gradient(160deg, transparent 30%, rgba(24, 168, 255, .14) 30.5%, rgba(24, 168, 255, .14) 31%, transparent 31.5%),
    repeating-linear-gradient(0deg, rgba(64, 140, 255, .07) 0 1px, transparent 1px 38px),
    repeating-linear-gradient(90deg, rgba(64, 140, 255, .07) 0 1px, transparent 1px 38px),
    radial-gradient(circle at 55% 48%, #0d2347, #050c1b 70%);
}
.map .pin { position: absolute; left: 55%; top: 46%; transform: translate(-50%, -100%); width: 46px; filter: drop-shadow(0 0 16px var(--accent-2)); }
.map .pin-pulse { position: absolute; left: 55%; top: 46%; width: 70px; height: 24px; transform: translate(-50%, -50%); border-radius: 50%; background: rgba(24, 168, 255, .35); animation: pulse 2s ease-out infinite; }
@keyframes pulse { from { transform: translate(-50%, -50%) scale(.4); opacity: 1; } to { transform: translate(-50%, -50%) scale(1.6); opacity: 0; } }
.map .map-link { position: absolute; left: 20px; bottom: 20px; }
.form-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: grid; gap: 12px; }

/* ——— Cart */
.cart { display: grid; grid-template-columns: 1fr 360px; gap: 28px; padding-bottom: 40px; align-items: start; }
.cart-item { display: grid; grid-template-columns: 100px 1fr auto auto 36px; gap: 18px; align-items: center; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.cart-item + .cart-item { margin-top: 12px; }
.cart-item .thumb { aspect-ratio: 4 / 3; border-radius: 8px; background: #050c1b; display: grid; place-items: center; overflow: hidden; }
.cart-item .thumb img { width: 100%; height: 100%; object-fit: contain; }
.remove { background: none; border: 0; cursor: pointer; opacity: .6; }
.remove:hover { opacity: 1; }
.remove img { width: 20px; filter: brightness(0) invert(1); }
.summary { position: sticky; top: 100px; }
.summary .row { display: flex; justify-content: space-between; color: var(--muted); }
.summary .total { font-family: var(--font-head); font-size: 30px; color: var(--text); }

/* ——— Footer */
.footer { margin-top: 80px; border-top: 1px solid var(--line); background: var(--bg-2); padding: 48px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; }
.footer h5 { margin: 0 0 14px; font-size: 14px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.footer a { display: block; padding: 4px 0; color: #c9d6ee; }
.footer a:hover { color: #fff; }
.socials { display: flex; gap: 10px; margin-top: 14px; }
.socials a { width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line-2); display: grid; place-items: center; padding: 0; }
.socials img { width: 20px; }
.copy { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ——— Modal & toast */
.modal { position: fixed; inset: 0; z-index: 100; background: rgba(2, 6, 14, .75); backdrop-filter: blur(6px); display: none; place-items: center; padding: 16px; }
.modal.open { display: grid; }
.modal-box { width: 100%; max-width: 440px; background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 18px; padding: 28px; position: relative; display: grid; gap: 14px; animation: pop .25s ease; }
@keyframes pop { from { transform: scale(.96); opacity: 0; } }
.modal-close { position: absolute; top: 14px; right: 14px; }
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 120px); z-index: 120;
  background: var(--card-2); border: 1px solid var(--accent); border-radius: 12px; padding: 14px 20px;
  box-shadow: var(--glow); transition: transform .35s cubic-bezier(.2, .9, .3, 1.2); display: flex; gap: 10px; align-items: center;
}
.toast.show { transform: translate(-50%, 0); }
.toast img { width: 20px; }

/* ——— Responsive */
@media (max-width: 1100px) {
  .cats { grid-template-columns: repeat(3, 1fr); }
  .grid, .grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
  .features { grid-template-columns: repeat(2, 1fr); }
  .feature:nth-child(3) { border-left: 0; }
  .feature:nth-child(n+3) { border-top: 1px solid var(--line); }
  .catalog .grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .spec-icons { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .nav {
    position: fixed; inset: 80px 0 auto 0; flex-direction: column; gap: 0; background: var(--bg-2);
    border-bottom: 1px solid var(--line); padding: 8px 24px 20px; display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav a.active::after { display: none; }
  .burger { display: grid; }
  .hero { min-height: 0; padding: 40px 0; }
  .hero::before { display: none; }
  .hero .hero-media { visibility: visible; }
  .hero .container, .promo, .product, .about-top, .contacts, .cart { grid-template-columns: 1fr; }
  .promo-media { min-height: 240px; order: -1; }
  .promo-media::before { background: linear-gradient(0deg, var(--card), transparent 50%); }
  .promo-text { padding: 28px; }
  .catalog { grid-template-columns: 1fr; }
  .filters { position: static; display: none; }
  .filters.open { display: block; }
  .filters-toggle { display: inline-flex; }
  .steps, .photo-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .summary { position: static; }
}
@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .header .container { gap: 12px; height: 68px; }
  .nav { top: 68px; }
  .logo img { width: 46px; height: 46px; }
  .logo span { font-size: 19px; }
  .header-actions .icon-btn { width: 36px; }
  .cats { grid-template-columns: repeat(2, 1fr); }
  .cats .cat:last-child { grid-column: span 2; }
  .grid, .grid.cols-3, .catalog .grid.cols-3 { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .card { padding: 8px; }
  .card-body { padding: 10px 2px 2px; }
  .card-title { font-size: 14px; }
  .price { font-size: 19px; }
  .cart-btn { width: 38px; height: 38px; }
  .fav { top: 14px; right: 14px; }
  .badge { top: 14px; left: 14px; }
  .features { grid-template-columns: 1fr; }
  .feature + .feature { border-left: 0; border-top: 1px solid var(--line); }
  .toolbar { flex-direction: column; }
  .toolbar .search-input { flex: none; }
  .toolbar .select { width: 100%; }
  .gallery { grid-template-columns: 1fr; }
  .thumbs { flex-direction: row; order: 2; }
  .thumbs button { width: 68px; }
  .steps, .photo-row, .stats { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cart-item { grid-template-columns: 80px 1fr 36px; }
  .cart-item .qty, .cart-item .price { grid-column: 2; }
  .install-hero::before { background: linear-gradient(0deg, var(--bg) 35%, rgba(4, 10, 23, .55)); }
}