/* ============ Tokens ============ */
:root {
  --navy: #1b2432;
  --navy-2: #131a26;
  --navy-3: #243044;
  --accent: #f15a22;
  --accent-2: #d94a15;
  --ink: #1b2432;
  --muted: #5d6879;
  --line: #e4e8ee;
  --soft: #f4f6f9;
  --white: #fff;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(27, 36, 50, .08);
  --container: 1240px;
  --header-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  font-family: Inter, "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.12; letter-spacing: -.02em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
.icon { flex: none; display: inline-block; vertical-align: middle; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ============ Typography helpers ============ */
.eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
}
.eyebrow--light { color: #ff8a5c; }

/* ============ Buttons ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 52px; padding: 0 24px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 15px; border: 1.5px solid transparent;
  cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s;
  white-space: nowrap;
}
.btn .icon { transition: transform .2s; }
.btn:hover .icon:last-child { transform: translateX(3px); }
.btn--accent { background: var(--accent); color: #fff; }
.btn--accent:hover { background: var(--accent-2); }
.btn--outline { border-color: var(--line); background: #fff; color: var(--ink); }
.btn--outline:hover { border-color: var(--ink); }
.btn--ghost-light { border-color: rgba(255,255,255,.28); color: #fff; }
.btn--ghost-light:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.btn--sm { height: 44px; padding: 0 18px; font-size: 14px; }
.btn--xs { height: 36px; padding: 0 14px; font-size: 13px; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14px; color: var(--ink);
}
.link-arrow .icon { color: var(--accent); transition: transform .2s; }
.link-arrow:hover .icon, a:hover > .link-arrow .icon { transform: translateX(4px); }

.tag {
  display: inline-block; padding: 5px 10px; border-radius: 6px;
  background: var(--accent); color: #fff; font-size: 11px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
}
.tag--dark { background: var(--navy); }

/* ============ Header ============ */
.header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96);
  backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--line);
}
.header__inner { display: flex; align-items: center; gap: 32px; height: var(--header-h); }
.logo { display: inline-flex; align-items: center; gap: 12px; }
.logo__mark {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 10px;
  background: var(--navy); color: #fff; font-weight: 800; font-size: 16px; letter-spacing: -.02em;
  box-shadow: inset 0 -4px 0 var(--accent);
}
.logo__text { display: flex; flex-direction: column; line-height: 1.05; }
.logo__text strong { font-size: 14px; font-weight: 800; letter-spacing: .02em; }
.logo__text small { margin-top: 4px; font-size: 9.5px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.logo--light .logo__mark { background: #fff; color: var(--navy); }
.logo--light .logo__text strong { color: #fff; }
.logo--light .logo__text small { color: rgba(255,255,255,.55); }

.nav { display: flex; align-items: center; gap: 28px; margin-left: 16px; }
.nav a { font-size: 15px; font-weight: 500; color: var(--muted); transition: color .2s; }
.nav a:hover, .nav a.is-active { color: var(--accent); }
.nav__phone { display: none !important; }

.header__actions { display: flex; align-items: center; gap: 20px; margin-left: auto; }
.header__phone { font-weight: 700; font-size: 15px; white-space: nowrap; }
.header__phone:hover { color: var(--accent); }
.burger {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: #fff; align-items: center; justify-content: center; cursor: pointer;
}

/* ============ Hero ============ */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(900px 500px at 85% 20%, rgba(241, 90, 34, .16), transparent 60%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  padding: 88px 0 0;
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, #000 30%, transparent 100%);
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(38px, 5.4vw, 70px); font-weight: 700; max-width: 760px; }
.hero__lead { margin-top: 24px; max-width: 560px; font-size: 18px; color: rgba(255,255,255,.72); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero__art { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.hero__tile {
  aspect-ratio: 3 / 4; border-radius: 20px; background: linear-gradient(160deg, #fff, #e9edf3);
  display: grid; place-items: center; padding: 24px; color: var(--navy);
  box-shadow: 0 30px 60px rgba(0,0,0,.35); transform: translateY(24px);
}
.hero__tile--alt { background: linear-gradient(160deg, #ffe6da, #fff); transform: translateY(-24px); }
.hero__tile .art { width: 100%; }

.facts {
  position: relative; display: grid; grid-template-columns: repeat(4, 1fr);
  margin-top: 72px; border-top: 1px solid rgba(255,255,255,.12);
}
.facts li { padding: 28px 24px 32px 0; }
.facts li + li { padding-left: 24px; border-left: 1px solid rgba(255,255,255,.12); }
.facts strong { display: block; font-size: 32px; font-weight: 700; letter-spacing: -.02em; }
.facts span { font-size: 14px; color: rgba(255,255,255,.6); }

/* ============ Page hero ============ */
.page-hero {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%); color: #fff;
  padding: 64px 0 56px; position: relative; overflow: hidden;
}
.page-hero .container { position: relative; }
.page-hero h1 { font-size: clamp(34px, 4.6vw, 58px); font-weight: 700; max-width: 880px; }
.page-hero__lead { margin-top: 20px; max-width: 620px; color: rgba(255,255,255,.72); font-size: 17px; }
.page-hero__aside {
  margin-top: 32px; text-align: right; font-size: 13px; color: rgba(255,255,255,.55);
  border-top: 1px solid rgba(255,255,255,.1); padding-top: 16px;
}
.page-hero--center { text-align: center; padding: 120px 0; }
.page-hero--center .page-hero__lead { margin-left: auto; margin-right: auto; }
.page-hero--center .hero__actions { justify-content: center; }

.crumbs {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 20px;
  font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.5);
}
.crumbs a:hover { color: #fff; }
.crumbs span { color: #fff; }
.crumbs--dark { color: var(--muted); }
.crumbs--dark a:hover, .crumbs--dark span { color: var(--ink); }

/* ============ Sections ============ */
.section { padding: 96px 0; }
.section--soft { background: var(--soft); }
.section--tight { padding-top: 40px; }
.section__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 44px; }
.section__head h2, .two-col h2, .note h2 { font-size: clamp(28px, 3.4vw, 44px); font-weight: 700; }
.section__lead { margin-top: 16px; max-width: 620px; color: var(--muted); font-size: 17px; }

/* ============ Category cards ============ */
.cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.cat-card {
  display: flex; flex-direction: column; gap: 14px; padding: 28px; border-radius: 20px;
  border: 1px solid var(--line); background: #fff; transition: box-shadow .25s, transform .25s, border-color .25s;
}
.cat-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: transparent; }
.cat-card__top { display: flex; justify-content: space-between; align-items: center; }
.cat-card__num { font-size: 13px; font-weight: 700; color: var(--muted); }
.cat-card__art {
  display: grid; place-items: center; height: 240px; margin: 4px 0 8px; border-radius: 14px;
  background: radial-gradient(circle at 50% 60%, #fff 0%, var(--soft) 70%); color: var(--navy);
}
.cat-card__art .art { height: 200px; transition: transform .35s; }
.cat-card:hover .cat-card__art .art { transform: scale(1.05) rotate(-2deg); }
.cat-card h3 { font-size: 28px; font-weight: 700; }
.cat-card p { color: var(--muted); }
.cat-card .link-arrow { margin-top: auto; padding-top: 8px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { font-size: 13px; padding: 6px 12px; border-radius: 999px; background: var(--soft); color: var(--ink); }

.type-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 48px; }
.type-links__group h3 { font-size: 18px; margin-bottom: 12px; }
.type-links li a {
  display: flex; justify-content: space-between; align-items: center; padding: 14px 0;
  border-bottom: 1px solid var(--line); transition: color .2s, padding .2s;
}
.type-links li a:hover { color: var(--accent); padding-left: 6px; }
.type-links em { font-style: normal; font-size: 13px; color: var(--muted); }

/* ============ Features / steps ============ */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; }
.features--4 { grid-template-columns: repeat(4, 1fr); }
.feature { background: #fff; padding: 32px 28px 36px; transition: background .2s; }
.feature:hover { background: #fffaf7; }
.feature__num { display: block; font-size: 13px; font-weight: 700; color: var(--accent); margin-bottom: 36px; }
.feature h3 { font-size: 20px; margin-bottom: 10px; }
.feature p { color: var(--muted); font-size: 15px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: s; }
.steps li { position: relative; padding: 32px 28px; border-radius: 20px; background: var(--soft); }
.steps span {
  display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 12px;
  background: var(--navy); color: #fff; font-weight: 700; margin-bottom: 24px;
}
.steps h3 { font-size: 20px; margin-bottom: 8px; }
.steps p { color: var(--muted); font-size: 15px; }

/* ============ CTA ============ */
.cta { background: var(--navy); color: #fff; padding: 88px 0; position: relative; overflow: hidden; }
.cta::after {
  content: ""; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(241,90,34,.35), transparent 70%);
}
.cta__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; }
.cta h2 { font-size: clamp(28px, 3.4vw, 44px); font-weight: 700; }
.cta p:not(.eyebrow) { margin-top: 16px; color: rgba(255,255,255,.7); max-width: 560px; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: flex-end; }
.cta__phone { width: 100%; text-align: right; font-size: 22px; font-weight: 700; margin-top: 6px; }
.cta__phone:hover { color: #ff8a5c; }

/* ============ Listing ============ */
.toolbar { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-bottom: 32px; }
.search {
  display: flex; align-items: center; gap: 10px; flex: 1 1 320px; max-width: 460px;
  height: 50px; padding: 0 16px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff;
  color: var(--muted);
}
.search:focus-within { border-color: var(--ink); }
.search input { flex: 1; border: 0; outline: 0; background: transparent; height: 100%; color: var(--ink); }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  height: 40px; padding: 0 16px; display: inline-flex; align-items: center; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; color: var(--muted); transition: background .2s, color .2s;
}
.pill:hover { color: var(--ink); background: var(--soft); }
.pill.is-active { background: var(--accent); color: #fff; }

.listing { display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: start; }
.filters { position: sticky; top: calc(var(--header-h) + 20px); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.filters__title { font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.filters fieldset { border: 0; padding: 0; margin: 20px 0 0; }
.filters legend { font-weight: 700; font-size: 15px; margin-bottom: 8px; }
.opt { display: flex; align-items: center; gap: 10px; padding: 7px 0; cursor: pointer; font-size: 14px; }
.opt input { accent-color: var(--accent); width: 16px; height: 16px; margin: 0; }
.opt span { flex: 1; }
.opt em { font-style: normal; font-size: 12px; color: var(--muted); background: var(--soft); border-radius: 999px; padding: 1px 8px; }
.filters__reset { display: inline-block; margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--accent); }

.listing__bar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 20px; }
.sort { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); }
.sort select { height: 40px; padding: 0 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; color: var(--ink); cursor: pointer; }

.pgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pgrid--4 { grid-template-columns: repeat(4, 1fr); }

.pcard {
  display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff; overflow: hidden; transition: box-shadow .25s, transform .25s;
}
.pcard:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.pcard__media {
  position: relative; display: grid; place-items: center; height: 200px;
  background: radial-gradient(circle at 50% 60%, #fff 0%, var(--soft) 75%); color: var(--navy);
}
.pcard__media .tag { position: absolute; top: 14px; left: 14px; }
.pcard__media .art { height: 150px; transition: transform .3s; }
.pcard:hover .pcard__media .art { transform: scale(1.06); }
.pcard__body { display: flex; flex-direction: column; gap: 10px; padding: 18px 20px 20px; flex: 1; }
.pcard__code { font-size: 12px; font-weight: 700; letter-spacing: .08em; color: var(--muted); }
.pcard__title { font-size: 17px; font-weight: 700; line-height: 1.3; }
.pcard__title a:hover { color: var(--accent); }
.pcard__specs { display: flex; flex-wrap: wrap; gap: 6px; }
.pcard__specs li { font-size: 12.5px; padding: 4px 8px; border-radius: 6px; background: var(--soft); }
.pcard__actions { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: auto; padding-top: 10px; }

.empty { padding: 56px 32px; border: 1px dashed var(--line); border-radius: var(--radius); text-align: center; }
.empty h3 { font-size: 22px; margin-bottom: 8px; }
.empty p { color: var(--muted); }
.empty__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 20px; }

/* ============ Product ============ */
.product { padding: 32px 0 88px; }
.product__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; margin-top: 28px; align-items: start; }
.product__media {
  position: sticky; top: calc(var(--header-h) + 20px);
  display: grid; place-items: center; aspect-ratio: 1; border-radius: 24px; color: var(--navy);
  background: radial-gradient(circle at 50% 55%, #fff 0%, var(--soft) 70%); border: 1px solid var(--line);
}
.product__media .tag { position: absolute; top: 20px; left: 20px; }
.product__media .art { width: 62%; }
.product__info h1 { font-size: clamp(30px, 3.6vw, 46px); font-weight: 700; }
.product__code { margin-top: 12px; color: var(--muted); }
.product__code strong { color: var(--ink); }
.product__lead { margin-top: 18px; font-size: 17px; color: var(--muted); }
.specs { margin: 28px 0 0; border-top: 1px solid var(--line); }
.specs div { display: grid; grid-template-columns: 1fr 1.2fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.specs dt { color: var(--muted); font-size: 15px; }
.specs dd { margin: 0; font-weight: 600; font-size: 15px; }
.product__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 32px; }
.product__phone { font-weight: 700; font-size: 18px; margin-left: 6px; }
.product__phone:hover { color: var(--accent); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.checks { margin-top: 28px; display: grid; gap: 14px; }
.checks li { display: flex; gap: 12px; align-items: center; font-size: 17px; font-weight: 500; }
.checks .icon { color: #fff; background: var(--accent); border-radius: 50%; padding: 4px; width: 26px; height: 26px; }
.note { background: #fff; border-radius: 20px; padding: 36px; box-shadow: var(--shadow); }
.note p:not(.eyebrow) { margin: 16px 0 28px; color: var(--muted); }

/* ============ About requisites ============ */
.req { margin: 0; border: 1px solid var(--line); border-radius: 20px; padding: 8px 28px; }
.req div { display: grid; grid-template-columns: 140px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.req div:last-child { border-bottom: 0; }
.req dt { color: var(--muted); font-size: 14px; }
.req dd { margin: 0; font-weight: 600; }
.req a:hover { color: var(--accent); }

/* ============ Contacts ============ */
.contacts { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: start; }
.contacts__info { display: grid; gap: 14px; }
.contact-card {
  display: flex; gap: 16px; align-items: center; padding: 20px 22px; border: 1px solid var(--line);
  border-radius: var(--radius); background: #fff; transition: border-color .2s, box-shadow .2s;
}
a.contact-card:hover { border-color: transparent; box-shadow: var(--shadow); }
.contact-card__icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: var(--soft); color: var(--accent); flex: none; }
.contact-card small { display: block; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; font-weight: 600; }
.contact-card strong { display: block; font-size: 18px; }
.contact-card em { display: block; font-style: normal; color: var(--muted); font-size: 14px; }
.map { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); height: 280px; }
.map iframe { width: 100%; height: 100%; border: 0; display: block; }

.form-card { background: var(--soft); border-radius: 20px; padding: 36px; }
.form-card h2 { font-size: 32px; }
.form-card__lead { margin-top: 12px; color: var(--muted); }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.form label { display: grid; gap: 6px; font-size: 13px; font-weight: 600; }
.form__wide { grid-column: 1 / -1; }
.form input, .form textarea {
  width: 100%; border: 1px solid var(--line); background: #fff; border-radius: var(--radius-sm);
  padding: 14px 16px; font-size: 15px; font-weight: 400; outline: 0; transition: border-color .2s;
}
.form input:focus, .form textarea:focus { border-color: var(--accent); }
.form textarea { resize: vertical; min-height: 110px; }
.form__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 4px; }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }
.alert { display: flex; gap: 10px; align-items: center; margin-top: 20px; padding: 14px 16px; border-radius: var(--radius-sm); font-weight: 500; font-size: 15px; }
.alert--ok { background: #e7f7ee; color: #146c3a; }
.alert--err { background: #fdecea; color: #a4281b; }

/* ============ Footer ============ */
.footer { background: var(--navy-2); color: rgba(255,255,255,.7); padding: 72px 0 0; font-size: 15px; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.4fr; gap: 40px; }
.footer__brand p { margin-top: 18px; max-width: 300px; }
.footer h4 { color: #fff; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 18px; }
.footer ul { display: grid; gap: 10px; }
.footer a:hover { color: #fff; }
.footer__contacts a, .footer__contacts span { display: inline-flex; gap: 10px; align-items: flex-start; }
.footer__contacts .icon { margin-top: 3px; color: var(--accent); }
.footer__bottom {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-top: 56px; padding-top: 24px; padding-bottom: 28px; border-top: 1px solid rgba(255,255,255,.08); font-size: 13px;
}

/* ============ Reveal animation ============ */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  * { transition: none !important; }
}

/* ============ Responsive ============ */
@media (max-width: 1100px) {
  .pgrid { grid-template-columns: repeat(2, 1fr); }
  .pgrid--4 { grid-template-columns: repeat(2, 1fr); }
  .features--4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .header__phone { display: none; }
}

@media (max-width: 900px) {
  :root { --header-h: 68px; }
  .burger { display: inline-flex; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; margin: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 8px 24px 20px; box-shadow: var(--shadow);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .2s, transform .2s, visibility .2s;
  }
  .nav.is-open { opacity: 1; transform: none; visibility: visible; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 17px; color: var(--ink); }
  .nav__phone { display: flex !important; align-items: center; gap: 8px; border-bottom: 0 !important; font-weight: 700; }

  .hero { padding-top: 56px; }
  .hero__inner, .cta__inner, .two-col, .contacts, .product__grid { grid-template-columns: 1fr; }
  .hero__art { max-width: 420px; }
  .facts { grid-template-columns: repeat(2, 1fr); margin-top: 56px; }
  .facts li:nth-child(3) { padding-left: 0; border-left: 0; }
  .facts li:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.12); }
  .cta__actions { justify-content: flex-start; }
  .cta__phone { text-align: left; }
  .listing { grid-template-columns: 1fr; gap: 24px; }
  .filters { position: static; }
  .filters form { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
  .filters__title, .filters__reset { grid-column: 1 / -1; }
  .product__media { position: relative; top: 0; max-width: 520px; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .header__inner { gap: 12px; }
  .header__actions { gap: 10px; }
  .header__actions .btn { display: none; }
  .logo__mark { width: 38px; height: 38px; font-size: 14px; }
  .hero__lead, .page-hero__lead { font-size: 16px; }
  .hero__actions .btn, .cta__actions .btn { flex: 1 1 100%; }
  .cat-grid, .type-links, .pgrid, .pgrid--4, .features, .features--4, .footer__grid { grid-template-columns: 1fr; }
  .cat-card { padding: 20px; }
  .cat-card__art { height: 200px; }
  .cat-card h3 { font-size: 24px; }
  .filters form { grid-template-columns: 1fr; }
  .section__head { flex-direction: column; align-items: flex-start; }
  .listing__bar { flex-direction: column; align-items: flex-start; }
  .facts strong { font-size: 24px; }
  .facts li { padding-right: 12px; }
  .facts li + li { padding-left: 12px; }
  .form { grid-template-columns: 1fr; }
  .form-card, .note { padding: 24px; }
  .req { padding: 4px 20px; }
  .req div { grid-template-columns: 1fr; gap: 4px; }
  .specs div { grid-template-columns: 1fr; gap: 2px; }
  .page-hero { padding: 44px 0 40px; }
}

/* ============ Product photos ============ */
.photo { width: 100%; height: 100%; object-fit: contain; }
.pcard__media--photo { background: #fff; border-bottom: 1px solid var(--line); padding: 48px 18px 14px; height: 220px; }
.pcard__media--photo .photo { max-height: 164px; transition: transform .3s; }
.pcard:hover .pcard__media--photo .photo { transform: scale(1.05); }
.cat-card__art--photo { background: #fff; border: 1px solid var(--line); padding: 16px; }
.cat-card__art--photo .photo { max-height: 206px; transition: transform .35s; }
.cat-card:hover .cat-card__art--photo .photo { transform: scale(1.04); }
.hero__tile--photo { background: #fff; padding: 20px; }
.hero__tile--photo.hero__tile--alt { background: #fff; }
.hero__tile--photo .photo { max-height: 100%; }
.product__media--photo { background: #fff; padding: 40px; }
.product__media--photo .photo { max-height: 100%; }

/* ============ Product info ============ */
.product__subtitle { margin-top: 12px; font-size: 18px; color: var(--muted); }
.product__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; margin-top: 22px; }
.product__meta .product__phone { margin-left: 0; display: inline-flex; align-items: center; gap: 8px; font-size: 16px; }
.product__meta .product__phone .icon { color: var(--accent); }
.doc-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; color: var(--ink); border-bottom: 1px dashed var(--muted); padding-bottom: 2px; }
.doc-link .icon { color: var(--accent); }
.doc-link:hover { color: var(--accent); border-color: var(--accent); }

.pinfo { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 40px; align-items: start; }
.pinfo__main { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; min-width: 0; }
.pinfo .note { position: sticky; top: calc(var(--header-h) + 20px); }
.pinfo .note h3 { font-size: 22px; }
.pinfo .note .doc-link { margin-top: 20px; }
.block { min-width: 0; background: #fff; border-radius: 20px; padding: 36px; }
.block h2 { font-size: clamp(24px, 2.6vw, 32px); font-weight: 700; }
.block__text { margin-top: 16px; font-size: 17px; line-height: 1.7; color: #3a4556; max-width: 760px; }
.block__note { margin-top: 8px; color: var(--muted); font-size: 14px; }

.table-wrap { margin-top: 22px; overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
.ptable { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 460px; }
.ptable th { text-align: left; font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); background: var(--soft); padding: 12px 16px; }
.ptable td { padding: 13px 16px; border-top: 1px solid var(--line); }
.ptable td:nth-child(2) { font-weight: 700; white-space: nowrap; }
.ptable td:nth-child(3) { color: var(--muted); font-size: 13px; white-space: nowrap; }
.ptable tbody tr:hover { background: #fffaf7; }

.approvals { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.approvals li { padding: 8px 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--soft); font-size: 14px; font-weight: 600; }

/* ============ Home: oil types strip ============ */
.type-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 28px; }
.type-strip a {
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2px 12px; padding: 18px 20px;
  border-radius: 14px; background: #fff; border: 1px solid var(--line); transition: border-color .2s, box-shadow .2s;
}
.type-strip a:hover { border-color: transparent; box-shadow: var(--shadow); }
.type-strip span { font-weight: 700; font-size: 16px; }
.type-strip em { grid-row: 2; font-style: normal; font-size: 13px; color: var(--muted); }
.type-strip .icon { grid-row: 1 / 3; grid-column: 2; color: var(--accent); }
.section--soft .steps li { background: #fff; }

@media (max-width: 1100px) {
  .pinfo { grid-template-columns: minmax(0, 1fr); }
  .pinfo .note { position: static; }
  .type-strip { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .block { padding: 22px; }
  .product__media--photo { padding: 24px; }
  .type-strip { grid-template-columns: 1fr; }
}