:root {
  --navy: #0a1a2f;
  --navy-2: #10263f;
  --ink: #0f1d2e;
  --text: #3b4a5c;
  --muted: #6b7a8c;
  --line: #e3eaf2;
  --bg: #ffffff;
  --tint: #f3f7fb;
  --primary: #0f7bff;
  --primary-dark: #0062d6;
  --ice: #3fd0f5;
  --ice-soft: #e6f8fe;
  --ok: #19a463;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 1px 2px rgba(10, 26, 47, .04), 0 8px 24px rgba(10, 26, 47, .06);
  --shadow-lg: 0 24px 60px rgba(10, 26, 47, .14);
  --header-h: 76px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { color: var(--ink); line-height: 1.15; margin: 0; letter-spacing: -.02em; }
h1 { font-size: clamp(36px, 5.4vw, 64px); font-weight: 800; }
h2 { font-size: clamp(28px, 3.6vw, 44px); font-weight: 800; }
h3 { font-size: 19px; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0; }
a { color: var(--primary); text-decoration: none; }
img, svg { display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 52px; padding: 0 26px;
  font: inherit; font-size: 16px; font-weight: 700;
  border-radius: 14px; border: 1px solid transparent;
  cursor: pointer; white-space: nowrap;
  transition: transform .15s ease, background-color .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn svg { width: 20px; height: 20px; fill: currentColor; }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--primary); color: #fff; box-shadow: 0 8px 20px rgba(15, 123, 255, .3); }
.btn--primary:hover { background: var(--primary-dark); box-shadow: 0 10px 26px rgba(15, 123, 255, .38); }
.btn--ghost { background: rgba(255, 255, 255, .08); color: #fff; border-color: rgba(255, 255, 255, .22); }
.btn--ghost:hover { background: rgba(255, 255, 255, .16); }
.btn--sm { height: 44px; padding: 0 18px; font-size: 15px; border-radius: 12px; }
.btn--lg { height: 58px; padding: 0 30px; font-size: 17px; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .65; cursor: progress; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--primary); margin-bottom: 14px;
}
.eyebrow--light { color: var(--ice); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ice); box-shadow: 0 0 0 4px rgba(63, 208, 245, .2); }

/* ---------- header ---------- */
.header {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--header-h);
  background: rgba(10, 26, 47, 0); transition: background-color .25s ease, box-shadow .25s ease;
}
.header.is-scrolled { background: rgba(10, 26, 47, .92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); box-shadow: 0 1px 0 rgba(255, 255, 255, .06); }
.header__inner { height: 100%; display: flex; align-items: center; gap: 32px; }

.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--primary); flex-shrink: 0; }
.logo__mark { width: 38px; height: 38px; }
.logo__text { font-size: 22px; font-weight: 600; letter-spacing: -.03em; color: #fff; }
.logo__text b { font-weight: 800; }

.nav { display: flex; gap: 26px; margin-right: auto; }
.nav a { color: rgba(255, 255, 255, .78); font-size: 15px; font-weight: 600; transition: color .2s; }
.nav a:hover { color: #fff; }

.header__actions { display: flex; align-items: center; gap: 18px; }
.header__phone { display: flex; flex-direction: column; line-height: 1.2; color: #fff; text-align: right; }
.header__phone span { font-size: 17px; font-weight: 800; letter-spacing: -.01em; }
.header__phone small { font-size: 12px; color: rgba(255, 255, 255, .6); font-weight: 500; }

.burger { display: none; width: 44px; height: 44px; border: 0; border-radius: 12px; background: rgba(255, 255, 255, .1); cursor: pointer; position: relative; }
.burger span, .burger span::before, .burger span::after { position: absolute; left: 12px; width: 20px; height: 2px; background: #fff; border-radius: 2px; transition: transform .2s, opacity .2s; content: ""; }
.burger span { top: 21px; }
.burger span::before { left: 0; top: -6px; }
.burger span::after { left: 0; top: 6px; }
.burger[aria-expanded="true"] span { background: transparent; }
.burger[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--navy); color: rgba(255, 255, 255, .78); padding: calc(var(--header-h) + 64px) 0 96px; }
.hero__bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(600px 400px at 85% 20%, rgba(63, 208, 245, .22), transparent 70%),
    radial-gradient(700px 500px at 10% 100%, rgba(15, 123, 255, .28), transparent 70%),
    linear-gradient(180deg, #0a1a2f 0%, #0c2340 100%);
}
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 60% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 60% 40%, #000 20%, transparent 75%);
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero h1 { color: #fff; }
.hero .accent { background: linear-gradient(90deg, var(--ice), #8fe7ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__lead { margin-top: 22px; font-size: 19px; max-width: 560px; }
.hero__points { margin-top: 28px; display: grid; gap: 12px; }
.hero__points li { display: flex; align-items: center; gap: 12px; color: #fff; font-weight: 600; }
.hero__points svg { width: 24px; height: 24px; padding: 4px; border-radius: 50%; background: rgba(63, 208, 245, .16); fill: none; stroke: var(--ice); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.hero__cta { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 14px; }

.hero__visual { position: relative; min-height: 440px; }
.unit { position: absolute; inset: 40px 0 auto; filter: drop-shadow(0 30px 50px rgba(0, 0, 0, .35)); animation: float 6s ease-in-out infinite; }
.unit__svg { width: 100%; height: auto; }
.unit__air path { stroke-dasharray: 18 14; animation: air 1.6s linear infinite; }
.unit__air path:nth-child(2) { animation-delay: -.4s; }
.unit__air path:nth-child(3) { animation-delay: -.8s; }
.unit__air path:nth-child(4) { animation-delay: -1.2s; }

.float-card {
  position: absolute; display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; border-radius: 16px;
  background: rgba(255, 255, 255, .96); color: var(--ink);
  box-shadow: var(--shadow-lg); line-height: 1.25;
}
.float-card b { display: block; font-size: 17px; font-weight: 800; }
.float-card span { font-size: 13px; color: var(--muted); }
.float-card svg { width: 36px; height: 36px; padding: 8px; border-radius: 10px; background: var(--ice-soft); fill: none; stroke: var(--primary); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.float-card--price { display: block; left: 0; bottom: 30px; background: var(--primary); color: #fff; }
.float-card--price span { color: rgba(255, 255, 255, .8); }
.float-card--price b { font-size: 26px; letter-spacing: -.02em; }
.float-card--time { right: 6px; top: 0; }
.float-card--clean { right: 0; bottom: 70px; }

@keyframes float { 50% { transform: translateY(-10px); } }
@keyframes air { to { stroke-dashoffset: -64; } }

/* ---------- strip ---------- */
.strip { background: var(--navy-2); color: rgba(255, 255, 255, .7); border-top: 1px solid rgba(255, 255, 255, .06); }
.strip__inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.strip__item { padding: 28px 24px; display: flex; align-items: center; gap: 14px; font-size: 14px; line-height: 1.4; }
.strip__item + .strip__item { border-left: 1px solid rgba(255, 255, 255, .08); }
.strip__item b { font-size: 26px; font-weight: 800; color: #fff; letter-spacing: -.02em; white-space: nowrap; }

/* ---------- sections ---------- */
.section { padding: 110px 0; }
.section--tint { background: var(--tint); }
.section--dark { background: var(--navy); color: rgba(255, 255, 255, .75); }
.section--dark h2 { color: #fff; }
.section__head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section__head--left { text-align: left; margin: 0; }
.section__sub { margin-top: 16px; font-size: 18px; color: var(--muted); }

/* services */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service {
  position: relative; display: flex; flex-direction: column;
  padding: 30px; border-radius: var(--radius); background: #fff;
  border: 1px solid var(--line); transition: transform .25s ease, box-shadow .25s ease, border-color .25s;
}
.service:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service__icon { width: 56px; height: 56px; border-radius: 16px; background: var(--ice-soft); display: grid; place-items: center; margin-bottom: 22px; }
.service__icon svg { width: 28px; height: 28px; fill: none; stroke: var(--primary); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.service h3 { margin-bottom: 10px; }
.service p { font-size: 15.5px; color: var(--muted); flex: 1; }
.service__price { margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--line); font-weight: 800; font-size: 18px; color: var(--ink); }
.service--featured { background: linear-gradient(160deg, #0f7bff 0%, #0a5fd0 100%); border-color: transparent; color: rgba(255, 255, 255, .82); }
.service--featured h3, .service--featured .service__price { color: #fff; }
.service--featured p { color: rgba(255, 255, 255, .82); }
.service--featured .service__icon { background: rgba(255, 255, 255, .16); }
.service--featured .service__icon svg { stroke: #fff; }
.service--featured .service__price { border-color: rgba(255, 255, 255, .25); }

/* prices */
.prices { display: grid; grid-template-columns: 1.25fr 1fr; gap: 24px; align-items: start; }
.price-table { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.price-table__row { display: grid; grid-template-columns: 1.3fr 1fr 1.1fr; align-items: center; gap: 16px; padding: 22px 30px; border-top: 1px solid var(--line); }
.price-table__row--head { border-top: 0; background: var(--navy); color: rgba(255, 255, 255, .7); font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; padding-top: 18px; padding-bottom: 18px; }
.price-table__row b { display: block; color: var(--ink); font-size: 17px; }
.price-table__row small { font-size: 13px; color: var(--muted); }
.price-table .price { font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: -.01em; }
.price-table .price::before { content: "от "; font-size: 15px; font-weight: 600; color: var(--muted); }
.price-table__row--head span:last-child, .price-table .price { text-align: right; }

.included { padding: 32px; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.included h3 { margin-bottom: 18px; }
.checklist { display: grid; gap: 12px; }
.checklist li { position: relative; padding-left: 32px; font-size: 15.5px; line-height: 1.45; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 1px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--ice-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f7bff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5 10 16.5 18 8'/%3E%3C/svg%3E") center / 14px no-repeat;
}

.extras { margin-top: 24px; padding: 32px; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.extras h3 { margin-bottom: 20px; }
.extras__grid { display: grid; grid-template-columns: repeat(2, 1fr); column-gap: 40px; }
.extra { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 15.5px; }
.extra b { color: var(--ink); white-space: nowrap; }

/* calculator */
.calc { display: grid; grid-template-columns: 1fr 1.1fr; border-radius: 28px; overflow: hidden; box-shadow: var(--shadow-lg); }
.calc__intro { padding: 48px; background: linear-gradient(160deg, var(--navy) 0%, #0f2c4f 100%); color: rgba(255, 255, 255, .75); display: flex; flex-direction: column; }
.calc__intro h2 { color: #fff; margin-bottom: 16px; }
.calc__result { margin-top: auto; padding-top: 36px; }
.calc__result-row { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 16px 0; border-top: 1px solid rgba(255, 255, 255, .1); font-size: 15px; }
.calc__result-row { flex-wrap: wrap; }
.calc__result-row b { color: #fff; font-size: 17px; text-align: right; white-space: nowrap; margin-left: auto; }
.calc__result-row--total { margin-bottom: 22px; }
.calc__result-row--total b { font-size: 34px; font-weight: 800; letter-spacing: -.02em; color: var(--ice); }
.calc__form { padding: 48px; background: #fff; display: grid; gap: 30px; align-content: start; }

.field { border: 0; margin: 0; padding: 0; min-width: 0; }
.field__label { display: flex; justify-content: space-between; align-items: baseline; width: 100%; font-weight: 700; color: var(--ink); margin-bottom: 14px; padding: 0; font-size: 16px; }
.field__label output { font-size: 20px; font-weight: 800; color: var(--primary); }

input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 8px; border-radius: 8px; background: linear-gradient(90deg, var(--primary) var(--fill, 20%), var(--line) var(--fill, 20%)); outline: none; cursor: pointer; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 26px; height: 26px; border-radius: 50%; background: #fff; border: 6px solid var(--primary); box-shadow: 0 4px 12px rgba(15, 123, 255, .35); }
input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 6px solid var(--primary); box-shadow: 0 4px 12px rgba(15, 123, 255, .35); }
input[type="range"]:focus-visible::-webkit-slider-thumb { outline: 3px solid rgba(15, 123, 255, .35); outline-offset: 2px; }
.range-scale { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); margin-top: 8px; }

.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 6px; background: var(--tint); border-radius: 14px; }
.seg label { position: relative; cursor: pointer; }
.seg input { position: absolute; opacity: 0; }
.seg span { display: block; text-align: center; padding: 12px 10px; border-radius: 10px; font-weight: 700; font-size: 15px; color: var(--muted); transition: background .2s, color .2s, box-shadow .2s; }
.seg input:checked + span { background: #fff; color: var(--ink); box-shadow: var(--shadow); }
.seg input:focus-visible + span { outline: 2px solid var(--primary); }

.toggles { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.toggle { position: relative; cursor: pointer; }
.toggle input { position: absolute; opacity: 0; }
.toggle span { display: flex; align-items: center; gap: 10px; height: 100%; padding: 14px 16px; border: 1.5px solid var(--line); border-radius: 12px; font-size: 14.5px; font-weight: 600; line-height: 1.3; color: var(--text); transition: border-color .2s, background .2s; }
.toggle span::before { content: ""; flex-shrink: 0; width: 20px; height: 20px; border-radius: 6px; border: 1.5px solid #c4d0dd; transition: .2s; }
.toggle input:checked + span { border-color: var(--primary); background: #f2f8ff; color: var(--ink); }
.toggle input:checked + span::before { border-color: var(--primary); background: var(--primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5 10 16.5 18 8'/%3E%3C/svg%3E") center / 14px no-repeat; }
.toggle input:focus-visible + span { outline: 2px solid var(--primary); outline-offset: 2px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; counter-reset: step; }
.step { position: relative; padding: 28px 24px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.step__num { display: inline-block; font-size: 14px; font-weight: 800; color: var(--primary); background: var(--ice-soft); padding: 6px 10px; border-radius: 8px; margin-bottom: 18px; }
.step h3 { margin-bottom: 8px; }
.step p { font-size: 15px; color: var(--muted); }

/* why */
.why { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: center; }
.why__text .btn { margin-top: 32px; }
.why__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.feature { padding: 28px; border-radius: var(--radius); border: 1px solid var(--line); }
.feature:nth-child(2), .feature:nth-child(4) { margin-top: 28px; margin-bottom: -28px; }
.feature__icon { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--navy); margin-bottom: 18px; }
.feature__icon svg { width: 24px; height: 24px; fill: none; stroke: var(--ice); stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.feature h3 { margin-bottom: 8px; }
.feature p { font-size: 15px; color: var(--muted); }

/* area */
.section--dark { position: relative; overflow: hidden; }
.section--dark::before { content: ""; position: absolute; width: 700px; height: 700px; right: -200px; top: -300px; background: radial-gradient(circle, rgba(63, 208, 245, .18), transparent 65%); pointer-events: none; }
.area { position: relative; display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center; }
.area__text p:last-child { margin-top: 18px; font-size: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips li { padding: 10px 18px; border-radius: 999px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); color: #fff; font-weight: 600; font-size: 15px; }
.chips li:nth-child(-n+11) { border-color: rgba(63, 208, 245, .4); background: rgba(63, 208, 245, .1); }

/* faq */
.faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: start; }
.faq__list { display: grid; gap: 12px; }
.faq details { border: 1px solid var(--line); border-radius: 16px; background: #fff; transition: box-shadow .2s, border-color .2s; }
.faq details[open] { box-shadow: var(--shadow); border-color: transparent; }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 22px 26px; font-weight: 700; font-size: 17px; color: var(--ink); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%; background: var(--tint) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f1d2e' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 6v12M6 12h12'/%3E%3C/svg%3E") center / 16px no-repeat; transition: transform .25s, background-color .2s; }
.faq details[open] summary::after { transform: rotate(45deg); background-color: var(--ice-soft); }
.faq details p { padding: 0 26px 24px; color: var(--muted); font-size: 16px; }

/* request */
.request { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact { display: flex; align-items: center; gap: 16px; margin-top: 36px; color: var(--ink); }
.contact__icon { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: var(--primary); }
.contact__icon svg { width: 26px; height: 26px; fill: #fff; }
.contact b { display: block; font-size: 26px; font-weight: 800; letter-spacing: -.02em; }
.contact small { color: var(--muted); font-size: 14px; }
.messengers { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.messenger { display: inline-flex; align-items: center; gap: 10px; height: 50px; padding: 0 22px; border-radius: 14px; font-weight: 700; color: #fff; transition: transform .15s, filter .2s; }
.messenger:hover { filter: brightness(1.06); transform: translateY(-1px); }
.messenger svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linejoin: round; stroke-linecap: round; }
.messenger--wa { background: #25d366; }
.messenger--tg { background: #229ed9; }

.form { padding: 40px; background: #fff; border-radius: 24px; box-shadow: var(--shadow-lg); display: grid; gap: 18px; }
.form h3 { font-size: 24px; margin-bottom: 4px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.input { display: grid; gap: 8px; }
.input > span { font-size: 14px; font-weight: 700; color: var(--ink); }
.input em { font-style: normal; font-weight: 500; color: var(--muted); }
.input input, .input select, .input textarea {
  width: 100%; font: inherit; font-size: 16px; color: var(--ink);
  padding: 14px 16px; border-radius: 12px; border: 1.5px solid var(--line); background: var(--tint);
  transition: border-color .2s, background-color .2s, box-shadow .2s; outline: none;
}
.input select { appearance: none; -webkit-appearance: none; padding-right: 44px; background: var(--tint) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7a8c' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") right 14px center / 18px no-repeat; cursor: pointer; }
.input textarea { resize: vertical; min-height: 96px; }
.input input:focus, .input select:focus, .input textarea:focus { border-color: var(--primary); background-color: #fff; box-shadow: 0 0 0 4px rgba(15, 123, 255, .12); }
.input.is-invalid input { border-color: #e5484d; background-color: #fff5f5; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--muted); line-height: 1.45; cursor: pointer; }
.consent input { margin-top: 2px; width: 18px; height: 18px; accent-color: var(--primary); flex-shrink: 0; }
.form__status { min-height: 1.4em; font-size: 15px; font-weight: 600; text-align: center; }
.form__status.is-ok { color: var(--ok); }
.form__status.is-error { color: #d13438; }

.form.is-sent > *:not(.form__done) { display: none; }
.form__done { text-align: center; padding: 24px 0; }
.form__done svg { width: 72px; height: 72px; margin: 0 auto 20px; padding: 18px; border-radius: 50%; background: #e7f7ef; fill: none; stroke: var(--ok); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.form__done h3 { font-size: 24px; margin-bottom: 10px; }
.form__done p { color: var(--muted); }

/* footer */
.footer { background: var(--navy); color: rgba(255, 255, 255, .6); padding: 64px 0 28px; font-size: 15px; }
.footer__inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.footer__brand p { margin-top: 16px; max-width: 340px; }
.footer__nav { display: grid; gap: 10px; align-content: start; }
.footer__nav a { color: rgba(255, 255, 255, .7); }
.footer__nav a:hover { color: #fff; }
.footer__contact { display: grid; gap: 6px; align-content: start; justify-items: end; }
.footer__contact a { font-size: 22px; font-weight: 800; color: #fff; letter-spacing: -.01em; }
.footer__bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 24px; font-size: 13px; }

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

/* reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
.nav a, .header__phone span { white-space: nowrap; }

@media (max-width: 1180px) {
  .header__actions { margin-left: auto; }
  .burger { display: block; }
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; flex-direction: column; gap: 0;
    padding: 12px 24px 24px; background: var(--navy); border-top: 1px solid rgba(255, 255, 255, .08);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: .2s ease;
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; box-shadow: 0 30px 40px rgba(0, 0, 0, .3); }
  .nav a { padding: 14px 0; font-size: 17px; border-bottom: 1px solid rgba(255, 255, 255, .06); }
  .steps { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 980px) {
  :root { --header-h: 68px; }
  body { font-size: 16px; }
  .header { background: rgba(10, 26, 47, .92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
  .header__cta { display: none; }
  .header__phone small { display: none; }

  .hero { padding: calc(var(--header-h) + 40px) 0 64px; }
  .hero__inner { grid-template-columns: 1fr; gap: 24px; }
  .hero__visual { min-height: 340px; max-width: 520px; width: 100%; margin: 0 auto; }
  .strip__inner { grid-template-columns: repeat(2, 1fr); }
  .strip__item:nth-child(3) { border-left: 0; }
  .strip__item:nth-child(n+3) { border-top: 1px solid rgba(255, 255, 255, .08); }

  .section { padding: 80px 0; }
  .services { grid-template-columns: repeat(2, 1fr); }
  .prices, .calc, .why, .area, .faq, .request { grid-template-columns: minmax(0, 1fr); }
  .why, .area, .faq, .request { gap: 40px; }
  .feature:nth-child(2), .feature:nth-child(4) { margin: 0; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .footer__contact { justify-items: start; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .header__phone { display: none; }
  .hero__lead { font-size: 17px; }
  .hero__cta .btn { flex: 1 1 100%; }
  .hero__visual { min-height: 280px; }
  .unit { inset: 30px 0 auto; }
  .float-card { padding: 10px 14px; }
  .float-card b { font-size: 15px; }
  .float-card svg { width: 30px; height: 30px; padding: 6px; }
  .float-card--price { bottom: 0; }
  .float-card--price b { font-size: 21px; }
  .float-card--clean { display: none; }
  .float-card--time { top: auto; bottom: 6px; right: 0; }
  .calc__result-row b { white-space: normal; }
  .strip__item { padding: 20px 12px; flex-direction: column; align-items: flex-start; gap: 4px; font-size: 13px; }
  .strip__item b { font-size: 22px; }

  .section { padding: 64px 0; }
  .section__head { margin-bottom: 36px; text-align: left; }
  .section__sub { font-size: 16px; }
  .services, .why__grid, .steps { grid-template-columns: 1fr; }
  .service, .feature, .step { padding: 24px; }
  .price-table__row { grid-template-columns: 1fr auto; padding: 18px 20px; }
  .price-table__row > :nth-child(2) { display: none; }
  .included, .extras { padding: 24px 20px; }
  .extras__grid { grid-template-columns: 1fr; }
  .extra { font-size: 15px; }
  .calc { border-radius: 22px; }
  .calc__intro, .calc__form { padding: 28px 20px; }
  .calc__intro { order: 2; }
  .calc__result { padding-top: 8px; }
  .calc__result-row--total b { font-size: 28px; }
  .toggles { grid-template-columns: 1fr; }
  .faq summary { padding: 18px 20px; font-size: 16px; }
  .faq details p { padding: 0 20px 20px; font-size: 15px; }
  .form { padding: 26px 20px; border-radius: 20px; }
  .form__row { grid-template-columns: 1fr; }
  .contact b { font-size: 22px; }
  .messenger { flex: 1; justify-content: center; }
  .footer { padding-bottom: 96px; }
  .footer__inner { grid-template-columns: 1fr; }

  .mobile-bar {
    position: fixed; z-index: 60; left: 0; right: 0; bottom: 0;
    display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 8px;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, .96); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 -6px 24px rgba(10, 26, 47, .1);
  }
  .mobile-bar a { display: flex; align-items: center; justify-content: center; gap: 8px; height: 48px; border-radius: 12px; font-weight: 700; font-size: 15px; color: #fff; }
  .mobile-bar svg { width: 18px; height: 18px; fill: currentColor; }
  .mobile-bar__call { background: var(--primary); }
  .mobile-bar__wa { background: #25d366; }
  .mobile-bar__req { background: var(--navy); }
}

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