:root {
  --ink: #0c0b09;
  --ink-2: #201a10;
  --paper: #f7f4ee;
  --white: #fff;
  --orange: #b46d0a;
  --orange-dark: #824b00;
  --mint: #dfb654;
  --muted: #676056;
  --line: #ddd5c8;
  --soft: #efe9df;
  --shadow: 0 18px 55px rgba(25, 17, 7, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font: 400 1rem/1.6 system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--mint); outline-offset: 3px; }

.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 10px 14px; transform: translateY(-140%); border-radius: 10px; color: var(--white); background: var(--ink); font-weight: 800; }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 28px;
  background: rgba(247, 244, 238, .94);
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-logo { width: 48px; height: 48px; border: 1px solid #8f6a2b; border-radius: 50%; object-fit: cover; box-shadow: 0 5px 18px rgba(24,16,5,.16); }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 1rem; line-height: 1.25; }
.brand small { color: var(--muted); font-size: .75rem; line-height: 1.4; }
nav { display: flex; align-items: center; gap: 26px; font-size: .9rem; font-weight: 700; }
nav a:hover { color: var(--orange-dark); }
.nav-cta { padding: 11px 17px; border-radius: 12px; color: var(--white); background: var(--ink); }
nav .nav-cta:hover { color: var(--white); background: var(--orange-dark); }

main, footer { max-width: 1280px; margin: 0 auto; }
.hero { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); gap: 20px; padding: 42px 28px 24px; }
.hero-copy { position: relative; overflow: hidden; padding: clamp(34px, 5vw, 68px); border-radius: 30px; color: var(--white); background: radial-gradient(circle at 93% 8%, rgba(58,214,198,.28), transparent 34%), linear-gradient(145deg, var(--ink), var(--ink-2)); box-shadow: var(--shadow); }
.hero-copy::after { position: absolute; right: -105px; bottom: -145px; width: 300px; height: 300px; border: 52px solid rgba(255,107,44,.88); border-radius: 50%; content: ""; }
.eyebrow { margin: 0 0 12px; color: var(--orange); font-size: .8rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.hero h1 { position: relative; z-index: 1; max-width: 800px; margin: 0; font-size: clamp(2.55rem, 5.2vw, 5rem); line-height: 1; letter-spacing: -.06em; }
.hero-text { position: relative; z-index: 1; max-width: 680px; margin: 24px 0; color: #d3dee4; font-size: clamp(1rem, 1.4vw, 1.16rem); }
.hero .button, .microcopy { position: relative; z-index: 1; }
.hero-actions { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 10px; }
.microcopy { max-width: 480px; margin: 14px 0 0; color: #aebfc9; font-size: .78rem; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 13px 20px; border: 0; border-radius: 13px; font-weight: 800; transition: transform .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: var(--white); background: var(--orange); }
.button.primary:hover { background: var(--orange-dark); }
.button.dark { color: var(--white); background: var(--ink); }
.button.ghost { border: 1px solid rgba(255,255,255,.35); color: var(--white); background: transparent; }
.button.ghost:hover { border-color: var(--mint); background: rgba(255,255,255,.08); }

.quick-choice { padding: 28px; border: 1px solid var(--line); border-radius: 30px; background: var(--white); box-shadow: 0 12px 40px rgba(7,19,31,.07); }
.choice-number { margin: 0 0 6px; color: var(--orange-dark); font-size: .75rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.quick-choice h2 { margin: 0 0 20px; font-size: 1.75rem; line-height: 1.15; letter-spacing: -.04em; }
.choice-list { display: grid; gap: 9px; }
.choice-button { display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 68px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 14px; color: var(--ink); background: var(--paper); text-align: left; }
.choice-button::after { margin-left: 10px; color: var(--orange-dark); content: "→"; font-size: 1.2rem; }
.choice-button span, .choice-button small { display: block; }
.choice-button span { font-size: .9rem; font-weight: 800; }
.choice-button small { color: var(--muted); font-size: .75rem; }
.choice-button:hover { border-color: var(--orange); background: #fff7f3; }
.choice-help { color: var(--white); background: var(--ink); }
.choice-help small { color: #b9c8d1; }
.choice-help::after { color: var(--mint); }

.proof-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 0 28px; overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: var(--line); }
.proof-strip div { padding: 20px 22px; background: var(--white); }
.proof-strip strong, .proof-strip span { display: block; }
.proof-strip strong { margin-bottom: 4px; font-size: .9rem; }
.proof-strip span { color: var(--muted); font-size: .78rem; line-height: 1.45; }

.offers, .consultation { padding: 72px 28px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 28px; }
.section-head h2, .consultation h2, .how h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.7rem); line-height: 1.05; letter-spacing: -.055em; }
.section-head > p { max-width: 390px; margin: 0 0 6px; color: var(--muted); }
.catalog-assurance { display: grid; grid-template-columns: .8fr 1.2fr 1.1fr; gap: 1px; margin-bottom: 22px; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--line); }
.catalog-assurance div { padding: 16px 18px; background: var(--white); }
.catalog-assurance strong, .catalog-assurance span { display: block; }
.catalog-assurance strong { margin-bottom: 3px; font-size: .82rem; }
.catalog-assurance span { color: var(--muted); font-size: .9rem; line-height: 1.45; }
.catalog-tools { display: flex; align-items: end; justify-content: space-between; gap: 22px; margin-bottom: 14px; }
.search-wrap { width: min(100%, 560px); }
.search-wrap label { display: block; margin-bottom: 7px; font-size: .82rem; font-weight: 800; }
.search-field { display: flex; align-items: center; min-height: 52px; padding: 0 15px; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.search-field span { margin-right: 11px; padding-right: 11px; border-right: 1px solid var(--line); color: var(--muted); font-size: .75rem; font-weight: 800; text-transform: uppercase; }
.search-field input { width: 100%; min-width: 0; border: 0; outline: 0; color: var(--ink); background: transparent; font-size: 1rem; }
.search-field:focus-within { border-color: var(--mint); box-shadow: 0 0 0 3px rgba(58,214,198,.22); }
.search-wrap > small { display: block; margin-top: 6px; color: var(--muted); font-size: .75rem; }
.catalog-view { display: grid; grid-template-columns: minmax(170px, 1fr) auto; gap: 6px 10px; width: min(100%, 360px); align-items: end; }
.catalog-view label { grid-column: 1 / -1; font-size: .82rem; font-weight: 800; }
.catalog-view select { min-height: 48px; background: var(--white); }
.catalog-reset { min-height: 48px; padding: 10px 13px; border: 1px solid var(--line); border-radius: 12px; color: var(--orange-dark); background: var(--white); font-weight: 800; }
.catalog-reset[hidden] { display: none; }
.result-count { grid-column: 1 / -1; margin: 2px 0 0; color: var(--muted); font-size: .8rem; font-weight: 700; }
.filters, .climate-filters { display: flex; flex-wrap: wrap; gap: 9px; padding: 4px 0 18px; }
.climate-filters[hidden] { display: none; }
.climate-filters { padding: 0 0 20px; }
.filter { flex: 0 0 auto; min-height: 44px; padding: 10px 16px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); background: var(--white); font-weight: 700; }
.filter:hover, .filter.active { border-color: var(--ink); color: var(--white); background: var(--ink); }
.climate-filter { min-height: 42px; padding: 8px 13px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); background: var(--white); font-weight: 700; }
.climate-filter:hover, .climate-filter.active { border-color: var(--orange-dark); color: var(--orange-dark); background: #fff7e6; }

.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.catalog-more { display: block; min-height: 48px; margin: 25px auto 0; padding: 10px 22px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: var(--white); font: inherit; font-weight: 800; cursor: pointer; }
.catalog-more:hover { border-color: var(--orange); color: var(--orange-dark); }
.catalog-more[hidden] { display: none; }
.product { display: flex; min-height: 510px; flex-direction: column; padding: 24px; border: 1px solid var(--line); border-radius: 24px; background: var(--white); transition: transform .2s ease, box-shadow .2s ease; }
.product.climate-product { min-height: 370px; }
.product:hover { transform: translateY(-4px); box-shadow: 0 18px 42px rgba(7,19,31,.09); }
.product.featured { border-color: transparent; color: var(--white); background: linear-gradient(145deg, #183449, var(--ink)); }
.product[hidden] { display: none; }
.product-top { display: flex; align-items: start; justify-content: space-between; gap: 10px; }
.category { color: var(--orange-dark); font-size: .75rem; font-weight: 800; letter-spacing: .055em; text-transform: uppercase; }
.featured .category { color: var(--mint); }
.badge { flex: 0 0 auto; padding: 5px 8px; border-radius: 8px; color: #48606f; background: var(--soft); font-size: .75rem; font-weight: 800; }
.badge.accent { color: #8a3611; background: #fff0e9; }
.product h3 { margin: 26px 0 12px; overflow-wrap: anywhere; font-size: 1.35rem; line-height: 1.2; letter-spacing: -.03em; }
.climate-product h3 { margin-top: 14px; }
.best-for { margin: 0; color: var(--muted); font-size: 1rem; }
.best-for strong { color: var(--ink); }
.featured .best-for { color: #c3d1d9; }
.featured .best-for strong { color: var(--white); }
.verdict { margin: 12px 0 0; padding: 11px 12px; border-left: 3px solid var(--orange); border-radius: 0 9px 9px 0; color: var(--muted); background: #fbf7ef; font-size: .82rem; }
.featured .verdict { color: #e7dcc5; background: rgba(255,255,255,.07); }
.featured .verdict strong { color: var(--white); }
.facts { display: grid; gap: 5px; margin: 18px 0; padding: 0; color: var(--muted); font-size: .82rem; list-style: none; }
.facts li::before { margin-right: 7px; color: var(--orange); content: "✓"; font-weight: 800; }
.featured .facts { color: #b9cad4; }
.featured .facts li::before { color: var(--mint); }
.price-block { margin: auto 0 8px; padding-top: 22px; }
.price-block > span { color: var(--muted); font-size: .75rem; font-weight: 700; text-transform: uppercase; }
.featured .price-block > span { color: #9eb3bf; }
.price { display: flex; align-items: baseline; gap: 10px; }
.price strong { font-size: 1.55rem; letter-spacing: -.04em; }
.price s { color: #8b9aa5; font-size: .82rem; }
.saving { margin: 4px 0 0; color: #176b57; font-size: .8rem; font-weight: 800; }
.featured .saving { color: var(--mint); }
.availability-note { margin: 0 0 14px; color: var(--muted); font-size: .88rem; font-weight: 700; }
.availability-note::before { margin-right: 6px; color: var(--orange-dark); content: "●"; }
.featured .availability-note { color: #b9cad4; }
.featured .availability-note::before { color: var(--mint); }
.card-actions { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.product-action { min-height: 48px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: transparent; font-weight: 800; }
.product-action:hover { border-color: var(--orange); color: var(--orange-dark); }
.featured .product-action { border-color: rgba(255,255,255,.24); color: var(--white); }
.compare-toggle { min-height: 48px; padding: 10px 13px; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); background: var(--soft); font-weight: 800; }
.compare-toggle[aria-pressed="true"] { border-color: var(--orange); color: var(--white); background: var(--orange); }
.featured .compare-toggle { border-color: rgba(255,255,255,.2); color: var(--white); background: rgba(255,255,255,.08); }
.featured .compare-toggle[aria-pressed="true"] { border-color: var(--mint); color: var(--ink); background: var(--mint); }
.empty-state { padding: 42px 20px; border: 1px dashed #b9c7ce; border-radius: 20px; text-align: center; background: var(--white); }
.empty-state strong { font-size: 1.15rem; }
.empty-state p { margin: 5px 0 18px; color: var(--muted); }
.empty-actions { display: flex; align-items: center; justify-content: center; gap: 8px; }
.empty-actions .text-button { width: auto; margin: 0; padding: 10px 14px; }
.price-note { margin-top: 18px; padding: 0 18px; border: 1px solid var(--line); border-radius: 15px; background: var(--white); }
.price-note summary { padding: 16px 0; font-weight: 800; cursor: pointer; }
.price-note p { margin: 0 0 18px; color: var(--muted); font-size: .86rem; }
.how { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(34px, 7vw, 90px); margin: 24px 28px; padding: 58px; border-radius: 30px; color: var(--white); background: var(--ink); }
.how-intro > p:not(.eyebrow) { max-width: 440px; color: #aebfc9; }
.steps { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.steps li { display: flex; gap: 16px; padding: 18px; border: 1px solid rgba(255,255,255,.11); border-radius: 16px; background: rgba(255,255,255,.045); }
.steps li > span { display: grid; flex: 0 0 36px; width: 36px; height: 36px; place-items: center; border-radius: 50%; color: var(--ink); background: var(--mint); font-size: .82rem; font-weight: 800; }
.steps strong { display: block; margin-bottom: 4px; font-size: .95rem; }
.steps p { margin: 0; color: #aebfc9; font-size: .82rem; }

.trust { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(34px, 7vw, 90px); margin: 72px 28px 0; padding: 54px 58px; border: 1px solid var(--line); border-radius: 30px; background: var(--white); }
.trust h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.7rem); line-height: 1.05; letter-spacing: -.055em; }
.trust-copy > p:not(.eyebrow) { max-width: 420px; color: var(--muted); }
.trust-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.trust-list li { display: flex; gap: 16px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.trust-list li:last-child { border-bottom: 0; }
.trust-list li > span { flex: 0 0 34px; color: var(--orange-dark); font-size: .76rem; font-weight: 800; }
.trust-list strong { display: block; margin-bottom: 3px; }
.trust-list p { margin: 0; color: var(--muted); font-size: .84rem; }

.team { padding: 72px 28px 16px; }
.team .section-head h2, .column h2, .contacts h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.7rem); line-height: 1.05; letter-spacing: -.055em; }
.team-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; align-items: stretch; }
.team-poster { width: 100%; height: 100%; min-height: 470px; border-radius: 26px; object-fit: cover; background: var(--ink); box-shadow: var(--shadow); }
.team-cards { display: grid; gap: 10px; }
.team-cards article { display: flex; gap: 16px; padding: 20px; border: 1px solid var(--line); border-radius: 20px; background: var(--white); }
.team-cards article > span { display: grid; flex: 0 0 48px; width: 48px; height: 48px; place-items: center; border: 1px solid #bf8c2b; border-radius: 50%; color: var(--orange-dark); background: #fff7e6; font-weight: 900; }
.team-cards h3 { margin: 0 0 4px; font-size: 1.1rem; }
.team-cards p { margin: 0 0 8px; color: var(--muted); font-size: .84rem; }
.team-cards a { color: var(--orange-dark); font-weight: 900; }

.column { display: grid; grid-template-columns: 1.15fr minmax(300px,.65fr); gap: clamp(28px,6vw,80px); align-items: center; margin: 56px 28px 0; padding: clamp(30px,5vw,58px); border-radius: 30px; color: var(--white); background: radial-gradient(circle at 12% 5%, rgba(223,182,84,.22), transparent 34%), var(--ink); }
.column-copy > p:not(.eyebrow) { max-width: 680px; color: #d4cbbd; }
.column-copy ul { margin: 22px 0; padding-left: 20px; color: #e8dfd0; }
.button.ghost-light { border: 1px solid rgba(255,255,255,.3); color: var(--white); background: rgba(255,255,255,.06); }
.button.ghost-light:hover { border-color: var(--mint); }
.channel-status { min-height: 22px; margin: 8px 0 0; color: var(--mint); font-size: .8rem; font-weight: 800; }
.qr-card { max-width: 390px; margin: 0; padding: 14px; border-radius: 24px; color: var(--ink); background: var(--white); }
.qr-card img { display: block; width: 100%; height: auto; border-radius: 16px; }
.qr-card figcaption { padding: 10px 8px 4px; color: var(--muted); text-align: center; font-size: .78rem; }

.questions { padding: 72px 28px 18px; }
.faq-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.faq-list details { padding: 0 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.faq-list summary { min-height: 62px; padding: 18px 26px 18px 0; font-weight: 800; cursor: pointer; }
.faq-list p { margin: 0 0 20px; color: var(--muted); font-size: .88rem; }

.consultation { display: grid; grid-template-columns: .9fr 1fr; gap: clamp(32px, 7vw, 100px); align-items: center; }
.consult-copy > p:not(.eyebrow) { max-width: 540px; color: var(--muted); }
.expert-mini { display: flex; align-items: center; gap: 13px; margin-top: 28px; }
.expert-initial { display: grid; flex: 0 0 50px; width: 50px; height: 50px; place-items: center; border-radius: 50%; color: var(--white); background: var(--orange); font-weight: 800; }
.expert-mini strong, .expert-mini span { display: block; }
.expert-mini span { color: var(--muted); font-size: .78rem; }
.request-form { padding: 26px; border: 1px solid var(--line); border-radius: 24px; background: var(--white); box-shadow: 0 14px 45px rgba(7,19,31,.07); }
.selected-product { margin: 0 0 18px; padding: 12px 14px; border-radius: 12px; color: var(--ink); background: #fff2d0; font-weight: 700; overflow-wrap: anywhere; }
.selected-product[hidden] { display: none; }
.field-row { margin-bottom: 16px; }
.field-row label { display: block; margin-bottom: 7px; font-size: .84rem; font-weight: 800; }
.field-row label span { color: var(--muted); font-size: .75rem; font-weight: 500; }
.field-help { display: block; margin-top: 5px; color: var(--muted); font-size: .75rem; }
input, select, textarea { width: 100%; min-height: 50px; padding: 12px 13px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: var(--paper); font-size: 1rem; }
textarea { resize: vertical; line-height: 1.5; }
input:focus, select:focus, textarea:focus { outline: 0; border-color: var(--mint); box-shadow: 0 0 0 3px rgba(58,214,198,.22); }
.request-form .button { width: 100%; }
.request-call { display: block; padding: 11px 0 0; color: var(--orange-dark); font-weight: 800; text-align: center; }
.text-button { display: block; width: 100%; min-height: 44px; margin-top: 7px; border: 0; color: var(--ink); background: transparent; font-weight: 800; }
.text-button:hover { color: var(--orange-dark); }
.copy-status { min-height: 22px; margin: 6px 0 0; color: #17665c; text-align: center; font-size: .78rem; font-weight: 700; }
.form-note { margin: 8px 0 0; color: var(--muted); text-align: center; font-size: .74rem; }

.contacts { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(30px,6vw,80px); margin: 10px 28px 40px; padding: 50px; border: 1px solid var(--line); border-radius: 30px; background: var(--white); }
.contact-intro > p:not(.eyebrow) { color: var(--muted); }
.contact-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.contact-card { display: flex; min-height: 138px; flex-direction: column; justify-content: center; padding: 20px; border: 1px solid var(--line); border-radius: 17px; background: var(--paper); }
.contact-card span, .contact-card small { color: var(--muted); font-size: .78rem; }
.contact-card strong { margin: 5px 0; font-size: 1.12rem; line-height: 1.35; }
a.contact-card:hover { border-color: var(--orange); background: #fff8e9; }
.contact-card.address { grid-column: 1 / -1; }

.compare-bar { position: fixed; z-index: 28; right: 22px; bottom: 22px; display: flex; align-items: center; gap: 16px; padding: 10px 10px 10px 16px; border: 1px solid rgba(255,255,255,.13); border-radius: 15px; color: var(--white); background: rgba(12,11,9,.96); box-shadow: var(--shadow); }
.compare-bar[hidden] { display: none; }
.compare-bar button { min-height: 42px; padding: 9px 14px; border: 0; border-radius: 10px; color: var(--ink); background: var(--mint); font-weight: 900; }
.compare-dialog { width: min(940px,calc(100% - 32px)); max-height: min(86vh,820px); padding: 28px; overflow: auto; border: 0; border-radius: 24px; color: var(--ink); background: var(--paper); box-shadow: 0 30px 100px rgba(0,0,0,.35); }
.compare-dialog::backdrop { background: rgba(0,0,0,.62); backdrop-filter: blur(5px); }
.dialog-head { display: flex; align-items: start; justify-content: space-between; gap: 20px; }
.dialog-head h2 { margin: 0; font-size: 2rem; }
.dialog-close { display: grid; width: 44px; height: 44px; place-items: center; border: 0; border-radius: 50%; color: var(--ink); background: var(--white); font-size: 1.6rem; }
.compare-content { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; margin: 24px 0; }
.compare-item { padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.compare-item h3 { margin: 4px 0 12px; font-size: 1.05rem; }
.compare-item p { margin: 7px 0; color: var(--muted); font-size: .82rem; }
.compare-item .compare-price { color: var(--ink); font-size: 1.15rem; font-weight: 900; }

footer { display: grid; grid-template-columns: 1fr auto; gap: 12px 30px; align-items: center; margin-top: 20px; padding: 36px 28px 44px; border-top: 1px solid var(--line); }
.footer-brand { grid-row: span 2; }
footer p { margin: 0; color: var(--muted); text-align: right; font-size: .85rem; }
.legal { font-size: .75rem; }
.mobile-action { display: none; }

@media (max-width: 920px) {
  .site-header { padding: 14px 18px; }
  nav a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; padding: 28px 18px 20px; }
  .quick-choice { padding: 22px; }
  .proof-strip { margin: 0 18px; }
  .offers, .consultation { padding: 58px 18px; }
  .catalog-assurance { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .how { grid-template-columns: 1fr; margin: 20px 18px; padding: 44px 28px; }
  .trust { grid-template-columns: 1fr; margin: 58px 18px 0; padding: 44px 28px; }
  .consultation { grid-template-columns: 1fr; }
  .team-layout { grid-template-columns: 1fr; }
  .team-poster { height: auto; min-height: 0; }
  .column { grid-template-columns: 1fr; }
  .qr-card { max-width: 420px; }
  .contacts { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 82px; }
  body { padding-bottom: 74px; }
  .brand small { display: none; }
  .nav-cta { padding: 10px 12px; font-size: .8rem; }
  .hero-copy { padding: 30px 22px; border-radius: 24px; }
  .hero h1 { font-size: clamp(2.35rem, 12.5vw, 3.6rem); }
  .hero-copy::after { right: -135px; bottom: -160px; }
  .hero .button, .hero-actions { width: 100%; }
  .quick-choice { border-radius: 24px; }
  .choice-button { min-height: 64px; }
  .proof-strip { grid-template-columns: 1fr; }
  .section-head { display: block; }
  .section-head > p { margin-top: 14px; }
  .catalog-tools { display: grid; }
  .catalog-view { width: 100%; }
  .product-grid { grid-template-columns: 1fr; }
  .product, .product.climate-product { min-height: 0; }
  .choice-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .choice-button { align-items: flex-start; min-height: 76px; }
  .choice-button small { font-size: .84rem; }
  .choice-help { grid-column: 1 / -1; min-height: 56px; }
  .how { padding: 36px 22px; border-radius: 24px; }
  .trust { padding: 36px 22px; border-radius: 24px; }
  .faq-list { grid-template-columns: 1fr; }
  .empty-actions { flex-direction: column; }
  .request-form { padding: 20px; }
  .team { padding: 58px 18px 12px; }
  .team-poster { border-radius: 20px; }
  .team-cards article { padding: 16px; }
  .column { margin: 44px 18px 0; padding: 30px 22px; border-radius: 24px; }
  .qr-card { max-width: none; }
  .contacts { margin: 8px 18px 32px; padding: 30px 22px; border-radius: 24px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-card.address { grid-column: auto; }
  .compare-content { grid-template-columns: 1fr; }
  .compare-dialog { padding: 20px; }
  .compare-bar { right: 12px; bottom: 82px; left: 12px; justify-content: space-between; }
  footer { grid-template-columns: 1fr; }
  .footer-brand { grid-row: auto; }
  footer p { text-align: left; }
  .mobile-action { position: fixed; z-index: 30; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: .7fr 1.3fr; gap: 8px; padding: 10px 14px max(10px, env(safe-area-inset-bottom)); border-top: 1px solid rgba(255,255,255,.12); background: rgba(12,11,9,.96); backdrop-filter: blur(14px); }
  .mobile-action a { display: grid; min-height: 48px; place-items: center; border-radius: 12px; color: var(--white); background: var(--orange); font-weight: 800; }
  .mobile-action .mobile-call { border: 1px solid rgba(255,255,255,.26); background: transparent; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}