/* ==========================================================================
   Чистка колодцев — дизайн-система
   Палитра: глубокий «мокрый камень» + вода (аква) + песочный акцент
   ========================================================================== */

:root {
  --ink: #08161f;
  --ink-2: #102e3c;
  --ink-3: #1c4557;

  --aqua: #0e9f9c;
  --aqua-dark: #0a7a78;
  --aqua-soft: #e6f5f4;

  --sand: #e8a33d;
  --sand-soft: #fdf3e3;

  --paper: #ffffff;
  --mist: #f3f7f9;
  --mist-2: #e9f0f4;
  --line: #dfe8ed;

  --text: #0f2430;
  --muted: #5d7686;

  --danger: #c8452f;

  --radius-s: 8px;
  --radius: 14px;
  --radius-l: 22px;
  --radius-xl: 32px;

  --shadow-s: 0 2px 8px rgba(8, 22, 31, .06);
  --shadow: 0 10px 30px rgba(8, 22, 31, .08);
  --shadow-l: 0 24px 60px rgba(8, 22, 31, .14);

  --container: 1240px;
  --section-y: clamp(56px, 7vw, 110px);

  --font: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--paper);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; line-height: 1.12; letter-spacing: -.02em; font-weight: 800; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0; padding-left: 1.2em; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ---------- helpers ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.section { padding: var(--section-y) 0; }
.section--mist { background: var(--mist); }
.section--ink { background: var(--ink); color: #fff; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--ink); color: #fff; padding: 12px 20px; border-radius: 0 0 var(--radius-s) 0;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: 3px solid var(--aqua); outline-offset: 2px; border-radius: 4px; }

/* ---------- типографика секций ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--aqua-dark); margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--aqua); border-radius: 2px; }
.section--ink .eyebrow { color: #7fd6d3; }
.section--ink .eyebrow::before { background: #7fd6d3; }

.h-section { font-size: clamp(28px, 3.6vw, 46px); max-width: 20ch; }
.h-section--wide { max-width: 30ch; }
.section-lead { margin-top: 18px; max-width: 62ch; color: var(--muted); font-size: clamp(16px, 1.5vw, 19px); }
.section--ink .section-lead { color: #a9c2ce; }
.section-head { margin-bottom: clamp(32px, 4vw, 56px); }
.section-head--split { display: grid; gap: 24px; grid-template-columns: 1.1fr .9fr; align-items: end; }
@media (max-width: 860px) { .section-head--split { grid-template-columns: 1fr; } }

/* ---------- кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 28px; min-height: 54px;
  border-radius: 100px; font-weight: 700; font-size: 16px; letter-spacing: -.01em;
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease;
  text-align: center;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--aqua); color: #fff; box-shadow: 0 10px 24px rgba(14, 159, 156, .3); }
.btn--primary:hover { background: var(--aqua-dark); box-shadow: 0 14px 30px rgba(14, 159, 156, .38); }
.btn--sand { background: var(--sand); color: #2b1c05; box-shadow: 0 10px 24px rgba(232, 163, 61, .32); }
.btn--sand:hover { background: #d8942f; }
.btn--ghost { border: 1.5px solid rgba(255, 255, 255, .45); color: #fff; }
.btn--ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }
.btn--outline { border: 1.5px solid var(--line); color: var(--ink); background: #fff; }
.btn--outline:hover { border-color: var(--aqua); color: var(--aqua-dark); }
.btn--wide { width: 100%; }
.btn--lg { padding: 20px 36px; min-height: 62px; font-size: 17px; }

/* ==========================================================================
   Промо-плашка
   ========================================================================== */
.promo-bar {
  background: linear-gradient(90deg, var(--ink-2), var(--aqua-dark));
  color: #fff; font-size: 15px; position: relative; z-index: 60;
}
.promo-bar__inner { display: flex; align-items: center; justify-content: center; gap: 14px; padding-block: 11px; padding-right: 48px; text-align: center; flex-wrap: wrap; }
.promo-bar strong { font-weight: 800; }
.promo-bar__link { text-decoration: underline; text-underline-offset: 3px; font-weight: 700; white-space: nowrap; }
.promo-bar__close {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; opacity: .8;
}
.promo-bar__close:hover { background: rgba(255, 255, 255, .15); opacity: 1; }
.promo-bar[hidden] { display: none; }

/* ==========================================================================
   Шапка
   ========================================================================== */
.header { position: sticky; top: 0; z-index: 50; background: #fff; box-shadow: 0 1px 0 var(--line); }
.header__top { display: flex; align-items: center; gap: 28px; padding-block: 14px; }

.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo__mark { width: 44px; height: 44px; flex-shrink: 0; }
.logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.logo__name { font-weight: 800; font-size: 18px; letter-spacing: -.02em; color: var(--ink); }
.logo__tag { font-size: 12px; color: var(--muted); letter-spacing: .02em; }

.header__region { position: relative; flex-shrink: 0; }
.region-btn {
  display: flex; align-items: center; gap: 8px; font-size: 15px; color: var(--muted);
  padding: 8px 12px; border-radius: var(--radius-s); border: 1px solid transparent;
}
.region-btn:hover { border-color: var(--line); background: var(--mist); }
.region-btn b { color: var(--ink); font-weight: 700; border-bottom: 1px dashed var(--aqua); }
.region-menu {
  position: absolute; top: calc(100% + 8px); left: 0; z-index: 20;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-l); padding: 8px; min-width: 280px;
}
.region-menu[hidden] { display: none; }
.region-menu__title { font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); padding: 8px 12px; }
.region-menu button {
  display: block; width: 100%; text-align: left; padding: 10px 12px; border-radius: var(--radius-s);
  font-size: 15px; font-weight: 600;
}
.region-menu button:hover { background: var(--aqua-soft); color: var(--aqua-dark); }
.region-menu button[aria-current="true"] { background: var(--aqua); color: #fff; }

.header__spacer { flex: 1; }
.header__calc { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 600; color: var(--ink); }
.header__calc:hover { color: var(--aqua-dark); }
.header__contacts { display: flex; align-items: center; gap: 18px; }
.header__phone { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.2; }
.header__phone a { font-size: 20px; font-weight: 800; letter-spacing: -.02em; color: var(--ink); white-space: nowrap; }
.header__phone a:hover { color: var(--aqua-dark); }
.header__phone span { font-size: 12px; color: var(--muted); }
.header__cta { padding: 12px 22px; min-height: 46px; font-size: 15px; }

.burger { display: none; width: 46px; height: 46px; border-radius: var(--radius-s); border: 1px solid var(--line); }
.burger span { display: block; width: 20px; height: 2px; background: var(--ink); margin: 4px auto; border-radius: 2px; transition: .2s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav { border-top: 1px solid var(--line); }
.nav__list { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; overflow-x: auto; scrollbar-width: none; }
.nav__list::-webkit-scrollbar { display: none; }
.nav__list a {
  display: block; padding: 14px 16px; font-size: 15px; font-weight: 600; color: var(--muted); white-space: nowrap;
  border-bottom: 2px solid transparent;
}
.nav__list a:hover { color: var(--aqua-dark); border-bottom-color: var(--aqua); }

@media (max-width: 1180px) {
  .header__calc { display: none; }
}
@media (max-width: 1020px) {
  .header__cta { display: none; }
}
@media (max-width: 880px) {
  .burger { display: block; }
  .header__region, .header__phone span { display: none; }
  .header__phone a { font-size: 17px; }
  .nav { position: fixed; inset: 0; top: 0; background: #fff; padding: 90px 20px 40px; overflow-y: auto; transform: translateX(100%); transition: transform .28s ease; z-index: 40; }
  .nav.is-open { transform: translateX(0); }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__list a { padding: 16px 4px; font-size: 18px; border-bottom: 1px solid var(--line); color: var(--ink); }
  .nav__mobile-extra { margin-top: 26px; display: grid; gap: 12px; }
}
@media (min-width: 881px) { .nav__mobile-extra { display: none; } }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { position: relative; color: #fff; background: var(--ink); overflow: hidden; }
.hero__bg { position: absolute; inset: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(8, 22, 31, .96) 0%, rgba(8, 22, 31, .82) 42%, rgba(8, 22, 31, .35) 100%);
}
.hero__inner { position: relative; padding-block: clamp(48px, 6vw, 96px) clamp(40px, 5vw, 80px); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 48px; align-items: center; }
@media (max-width: 1000px) { .hero__grid { grid-template-columns: 1fr; gap: 36px; } }

.hero__badge {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px 8px 10px;
  border-radius: 100px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .18);
  font-size: 14px; font-weight: 600; margin-bottom: 22px;
}
.hero__badge b { color: var(--sand); }
.hero h1 { font-size: clamp(32px, 5vw, 62px); letter-spacing: -.03em; }
.hero h1 em { font-style: normal; color: #6fd4d1; }
.hero__sub { margin-top: 20px; font-size: clamp(17px, 1.7vw, 21px); font-weight: 600; color: #e3eef2; max-width: 46ch; }
.hero__steps { list-style: none; padding: 0; margin: 30px 0 0; display: grid; gap: 16px; }
.hero__steps li { display: flex; gap: 14px; align-items: center; font-size: 17px; font-weight: 700; color: #fff; letter-spacing: -.005em; }
.hero__steps span {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%; background: var(--sand);
  color: #241804; display: grid; place-items: center; font-size: 15px; font-weight: 800;
  box-shadow: 0 4px 12px rgba(232, 163, 61, .35);
}
.hero__price { margin-top: 30px; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.hero__price b { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; letter-spacing: -.03em; }
.hero__price s { color: #7a94a2; font-size: 19px; }
.hero__price i { font-style: normal; font-size: 15px; color: #b6cdd8; }
.hero__actions { margin-top: 30px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero__note { margin-top: 18px; font-size: 14px; color: #8fa9b6; }

.hero-card {
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14);
  backdrop-filter: blur(14px); border-radius: var(--radius-l); padding: clamp(22px, 2.6vw, 34px);
}
.hero-card h2 { font-size: 21px; margin-bottom: 6px; }
.hero-card p { font-size: 14px; color: #a9c2ce; }
.hero-card__form { display: grid; gap: 12px; margin-top: 20px; }
.hero-card__legal { font-size: 12px; color: #8fa9b6; margin-top: 14px; }
.hero-card__legal a { text-decoration: underline; }
.hero-card__trust { margin-top: 20px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .14); display: flex; gap: 20px; flex-wrap: wrap; }
.hero-card__trust div { font-size: 13px; color: #a9c2ce; }
.hero-card__trust b { display: block; font-size: 20px; color: #fff; }

/* поля ввода */
.field { display: grid; gap: 6px; }
.field > span { font-size: 14px; font-weight: 600; }
.field .req { color: var(--danger); }
.input {
  width: 100%; padding: 15px 18px; min-height: 54px;
  border: 1.5px solid var(--line); border-radius: var(--radius); background: #fff; color: var(--text);
  transition: border-color .18s ease, box-shadow .18s ease;
}
.input::placeholder { color: #9bb0bc; }
.input:focus { outline: none; border-color: var(--aqua); box-shadow: 0 0 0 4px rgba(14, 159, 156, .14); }
.hero-card .input { background: rgba(255, 255, 255, .94); border-color: transparent; }
textarea.input { min-height: 96px; resize: vertical; }
select.input {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%235d7686' stroke-width='2'%3E%3Cpath d='M3 6l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 18px center; padding-right: 46px;
}

/* ==========================================================================
   Полоса преимуществ
   ========================================================================== */
.usp { background: var(--ink-2); color: #fff; }
.usp__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.usp__item { display: flex; gap: 14px; align-items: flex-start; padding: 26px 24px; border-right: 1px solid rgba(255, 255, 255, .1); }
.usp__item:last-child { border-right: 0; }
.usp__item svg { flex-shrink: 0; color: #6fd4d1; }
.usp__item b { display: block; font-size: 16px; margin-bottom: 2px; }
.usp__item span { font-size: 14px; color: #a9c2ce; }
@media (max-width: 960px) { .usp__grid { grid-template-columns: repeat(2, 1fr); } .usp__item:nth-child(2) { border-right: 0; } .usp__item:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.1); } }
@media (max-width: 560px) { .usp__grid { grid-template-columns: 1fr; } .usp__item { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); padding: 20px 4px; } }

/* ==========================================================================
   Симптомы
   ========================================================================== */
.symptoms__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 940px) { .symptoms__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .symptoms__grid { grid-template-columns: 1fr; } }
.symptom {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: 28px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.symptom:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.symptom__icon { width: 52px; height: 52px; border-radius: 14px; background: var(--aqua-soft); color: var(--aqua-dark); display: grid; place-items: center; margin-bottom: 18px; }
.symptom h3 { font-size: 19px; margin-bottom: 10px; }
.symptom p { font-size: 15px; color: var(--muted); }

/* ==========================================================================
   Оффер: комплексная чистка
   ========================================================================== */
.offer__grid { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: clamp(28px, 4vw, 60px); align-items: center; }
@media (max-width: 940px) { .offer__grid { grid-template-columns: 1fr; } }
.offer__media { position: relative; }
.offer__media img { border-radius: var(--radius-l); aspect-ratio: 4 / 5; object-fit: cover; width: 100%; }
.offer__stamp {
  position: absolute; right: -14px; bottom: 28px; background: var(--sand); color: #2b1c05;
  border-radius: var(--radius); padding: 16px 22px; box-shadow: var(--shadow-l); max-width: 210px;
}
.offer__stamp b { display: block; font-size: 26px; letter-spacing: -.02em; }
.offer__stamp span { font-size: 13px; font-weight: 600; }
@media (max-width: 520px) { .offer__stamp { right: 12px; bottom: 12px; padding: 12px 16px; } .offer__stamp b { font-size: 21px; } }

.checklist { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 14px; }
.checklist li { display: flex; gap: 14px; align-items: flex-start; font-size: 16.5px; }
.checklist li::before {
  content: ""; flex-shrink: 0; width: 24px; height: 24px; border-radius: 50%; margin-top: 1px;
  background: var(--aqua) url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%23fff' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 7.5l3.5 3.5L12 3'/%3E%3C/svg%3E") center / 14px no-repeat;
}
.checklist li b { font-weight: 700; }
.checklist li span { color: var(--muted); font-size: 15px; }
.checklist--accent li.is-key { font-weight: 700; color: var(--aqua-dark); }

.price-row {
  margin-top: 32px; padding: 24px; border-radius: var(--radius-l); background: var(--mist);
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.price-row__label { font-size: 15px; color: var(--muted); }
.price-row__value { display: flex; align-items: baseline; gap: 12px; }
.price-row__value b { font-size: clamp(28px, 3.4vw, 38px); letter-spacing: -.03em; }
.price-row__value s { color: var(--muted); font-size: 18px; }
.price-row__deadline { width: 100%; font-size: 14px; color: var(--muted); border-top: 1px dashed var(--line); padding-top: 16px; }
.price-row__deadline b { color: var(--danger); }

/* ==========================================================================
   Этапы работ (11)
   ========================================================================== */
.stages { position: relative; }
.stages__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: stage; }
@media (max-width: 940px) { .stages__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .stages__grid { grid-template-columns: 1fr; } }
.stage {
  counter-increment: stage; position: relative; padding: 24px 24px 24px 68px;
  border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--radius); background: rgba(255, 255, 255, .04);
}
.stage::before {
  content: counter(stage, decimal-leading-zero); position: absolute; left: 22px; top: 22px;
  font-size: 15px; font-weight: 800; color: #6fd4d1; letter-spacing: -.02em;
}
.stage h3 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.stage p { font-size: 14px; color: #a9c2ce; }
.stages__foot { margin-top: 36px; display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.stages__foot p { font-size: 15px; color: #a9c2ce; max-width: 44ch; }

/* ==========================================================================
   Калькулятор
   ========================================================================== */
.calc__wrap {
  background: #fff; border-radius: var(--radius-xl); box-shadow: var(--shadow-l);
  padding: clamp(24px, 3.4vw, 48px); display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(28px, 3.6vw, 52px);
}
@media (max-width: 980px) { .calc__wrap { grid-template-columns: 1fr; } }
.calc__step { margin-bottom: 28px; }
.calc__step:last-child { margin-bottom: 0; }
.calc__step > h3 { font-size: 16px; font-weight: 800; margin-bottom: 14px; display: flex; gap: 10px; align-items: center; }
.calc__step > h3 i {
  font-style: normal; width: 24px; height: 24px; border-radius: 50%; background: var(--ink); color: #fff;
  display: grid; place-items: center; font-size: 12px; font-weight: 800; flex-shrink: 0;
}
.calc__cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 700px) { .calc__cards { grid-template-columns: repeat(2, 1fr); } }
.calc-card { position: relative; }
.calc-card input { position: absolute; opacity: 0; pointer-events: none; }
.calc-card__body {
  display: block; height: 100%; border: 2px solid var(--line); border-radius: var(--radius); padding: 14px;
  text-align: center; cursor: pointer; transition: border-color .18s ease, background-color .18s ease;
}
.calc-card__body:hover { border-color: var(--aqua); }
.calc-card input:checked + .calc-card__body { border-color: var(--aqua); background: var(--aqua-soft); }
.calc-card input:focus-visible + .calc-card__body { outline: 3px solid var(--aqua); outline-offset: 2px; }
.calc-card__pic { width: 100%; aspect-ratio: 1; border-radius: 10px; margin-bottom: 10px; display: grid; place-items: center; }
.calc-card__title { display: block; font-size: 14px; font-weight: 700; line-height: 1.25; }
.calc-card__price { display: block; font-size: 13px; color: var(--aqua-dark); font-weight: 700; margin-top: 4px; }

.calc__options { display: grid; gap: 10px; }
.opt { display: flex; gap: 12px; align-items: flex-start; padding: 13px 16px; border: 1.5px solid var(--line); border-radius: var(--radius); cursor: pointer; transition: border-color .18s ease, background-color .18s ease; }
.opt:hover { border-color: var(--aqua); }
.opt input { margin: 3px 0 0; width: 20px; height: 20px; accent-color: var(--aqua); flex-shrink: 0; }
.opt:has(input:checked) { border-color: var(--aqua); background: var(--aqua-soft); }
.opt__text { font-size: 15px; }
.opt__price { margin-left: auto; font-size: 14px; font-weight: 700; color: var(--muted); white-space: nowrap; padding-left: 10px; }

.calc__side { display: flex; flex-direction: column; }
.calc__total {
  background: var(--ink); color: #fff; border-radius: var(--radius-l); padding: 26px; margin-bottom: 22px;
}
.calc__total-label { font-size: 14px; color: #a9c2ce; }
.calc__total-value { font-size: clamp(34px, 4.4vw, 48px); font-weight: 800; letter-spacing: -.03em; line-height: 1.1; margin: 4px 0 10px; }
.calc__total-value small { font-size: 22px; font-weight: 700; }
.calc__breakdown { list-style: none; padding: 14px 0 0; margin: 0; border-top: 1px solid rgba(255, 255, 255, .15); display: grid; gap: 7px; font-size: 14px; color: #a9c2ce; }
.calc__breakdown li { display: flex; justify-content: space-between; gap: 14px; }
.calc__breakdown li span:last-child { color: #fff; font-weight: 700; white-space: nowrap; }
.calc__disclaimer { font-size: 12.5px; color: var(--muted); margin-top: 14px; }
.calc__form { display: grid; gap: 12px; }

/* ==========================================================================
   Донные фильтры
   ========================================================================== */
.filters__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 980px) { .filters__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .filters__grid { grid-template-columns: 1fr; } }
.filter-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: 26px;
  display: flex; flex-direction: column; position: relative; transition: transform .2s ease, box-shadow .2s ease;
}
.filter-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.filter-card--featured { border: 2px solid var(--aqua); }
.filter-card__flag {
  position: absolute; top: -13px; left: 26px; background: var(--aqua); color: #fff;
  font-size: 12px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; padding: 6px 14px; border-radius: 100px;
}
.filter-card__swatch { width: 84px; height: 84px; border-radius: 50%; margin-bottom: 18px; box-shadow: inset 0 -6px 16px rgba(0, 0, 0, .18); }
.filter-card h3 { font-size: 15px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.filter-card p { font-size: 15px; margin-bottom: 16px; }
.filter-card__price { margin-top: auto; font-size: 20px; font-weight: 800; color: var(--aqua-dark); }
.filter-card__price small { display: block; font-size: 13px; font-weight: 600; color: var(--muted); }

/* блок «почему шунгит» */
.shungite { position: relative; color: #fff; border-radius: var(--radius-xl); overflow: hidden; margin-top: 34px; }
.shungite__bg { position: absolute; inset: 0; }
.shungite__bg img { width: 100%; height: 100%; object-fit: cover; }
.shungite__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,22,31,.94), rgba(8,22,31,.62)); }
.shungite__inner { position: relative; padding: clamp(30px, 4vw, 56px); max-width: 720px; }
.shungite h3 { font-size: clamp(22px, 2.6vw, 32px); margin-bottom: 16px; }
.shungite p { color: #c3d6df; font-size: 16.5px; }

/* ==========================================================================
   Видеодиагностика
   ========================================================================== */
.video__grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(28px, 4vw, 56px); align-items: center; }
@media (max-width: 940px) { .video__grid { grid-template-columns: 1fr; } }
.video__frame { position: relative; border-radius: var(--radius-l); overflow: hidden; box-shadow: var(--shadow-l); }
.video__frame img { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; }
.video__play {
  position: absolute; inset: 0; display: grid; place-items: center; background: rgba(8, 22, 31, .35);
  transition: background-color .2s ease;
}
.video__play:hover { background: rgba(8, 22, 31, .2); }
.video__play span {
  width: 74px; height: 74px; border-radius: 50%; background: rgba(255, 255, 255, .95); display: grid; place-items: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .3);
}
.video__play svg { color: var(--ink); margin-left: 4px; }
.video__caption { position: absolute; left: 0; right: 0; bottom: 0; padding: 18px 22px; color: #fff; font-size: 14px; background: linear-gradient(transparent, rgba(8,22,31,.85)); }

/* ==========================================================================
   Когда чистить — зигзаг
   ========================================================================== */
.zigzag { display: grid; gap: clamp(40px, 5vw, 80px); }
.zz { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(24px, 3.6vw, 56px); align-items: center; }
@media (max-width: 900px) { .zz { grid-template-columns: 1fr; } .zz__media { order: -1; } }
.zz:nth-child(even) .zz__media { order: 2; }
@media (max-width: 900px) { .zz:nth-child(even) .zz__media { order: -1; } }
.zz__media img { border-radius: var(--radius-l); aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.zz__tag { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--danger); background: #fdeceA; padding: 6px 14px; border-radius: 100px; margin-bottom: 16px; }
.zz h3 { font-size: clamp(21px, 2.4vw, 30px); margin-bottom: 14px; }
.zz p { color: var(--muted); font-size: 16px; }
.zz__list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.zz__list li { display: flex; gap: 12px; font-size: 15.5px; }
.zz__list li::before { content: ""; flex-shrink: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--aqua); margin-top: 9px; }

/* ==========================================================================
   Табы «как мы выполняем»
   ========================================================================== */
.tabs__nav { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.tabs__btn {
  padding: 11px 20px; border-radius: 100px; background: var(--mist-2); font-size: 15px; font-weight: 600;
  color: var(--muted); transition: background-color .18s ease, color .18s ease;
}
.tabs__btn:hover { background: var(--aqua-soft); color: var(--aqua-dark); }
.tabs__btn[aria-selected="true"] { background: var(--ink); color: #fff; }
.tabs__body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .85fr); gap: clamp(24px, 3.4vw, 48px); align-items: start; }
@media (max-width: 900px) { .tabs__body { grid-template-columns: 1fr; } }
.tabs__panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: clamp(24px, 3vw, 38px); }
.tabs__panel[hidden] { display: none; }
.tabs__panel h3 { font-size: clamp(20px, 2.2vw, 26px); margin-bottom: 14px; }
.tabs__panel p { color: var(--muted); font-size: 16px; }
.tabs__panel ul { margin: 16px 0 0; padding-left: 0; list-style: none; display: grid; gap: 9px; }
.tabs__panel ul li { display: flex; gap: 12px; font-size: 15.5px; color: var(--text); }
.tabs__panel ul li::before { content: ""; flex-shrink: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--aqua); margin-top: 9px; }
.tabs__media img { border-radius: var(--radius-l); aspect-ratio: 3 / 4; object-fit: cover; width: 100%; }
@media (max-width: 900px) { .tabs__media img { aspect-ratio: 16 / 10; } }

/* ==========================================================================
   Услуги
   ========================================================================== */
.services__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 1080px) { .services__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .services__grid { grid-template-columns: 1fr; } }
.service {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); overflow: hidden; transition: transform .2s ease, box-shadow .2s ease;
}
.service:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.service__pic { aspect-ratio: 3 / 2; object-fit: cover; width: 100%; }
.service__body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.service h3 { font-size: 18px; margin-bottom: 8px; }
.service p { font-size: 14.5px; color: var(--muted); margin-bottom: 16px; }
.service__price { margin-top: auto; font-weight: 800; color: var(--aqua-dark); font-size: 17px; }

/* ==========================================================================
   Прайс
   ========================================================================== */
.pricing__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 2fr); gap: clamp(28px, 4vw, 56px); align-items: start; }
@media (max-width: 940px) { .pricing__grid { grid-template-columns: 1fr; } }
.pricing__aside { position: sticky; top: 110px; }
@media (max-width: 940px) { .pricing__aside { position: static; } }
.pricing__from { background: #fff; border-radius: var(--radius-l); padding: 28px; box-shadow: var(--shadow-s); margin-top: 24px; }
.pricing__from b { display: block; font-size: clamp(32px, 4vw, 44px); letter-spacing: -.03em; }
.pricing__from span { display: block; font-size: 14px; color: var(--muted); margin: 6px 0 18px; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius-l); background: #fff; box-shadow: var(--shadow-s); }
.p-table { width: 100%; border-collapse: collapse; min-width: 560px; }
.p-table caption { text-align: left; padding: 20px 24px 0; font-weight: 800; font-size: 17px; }
.p-table th, .p-table td { text-align: left; padding: 16px 24px; border-bottom: 1px solid var(--line); font-size: 15.5px; }
.p-table thead th { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 700; }
.p-table tbody tr:last-child td { border-bottom: 0; }
.p-table tbody tr:hover { background: var(--mist); }
.p-table td:last-child, .p-table th:last-child { text-align: right; white-space: nowrap; font-weight: 700; }
.p-table td:nth-child(2) { color: var(--muted); white-space: nowrap; }
.pricing__note { margin-top: 18px; font-size: 14px; color: var(--muted); }

/* ==========================================================================
   Почему мы / статистика
   ========================================================================== */
.why__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(28px, 4vw, 60px); align-items: center; }
@media (max-width: 940px) { .why__grid { grid-template-columns: 1fr; } }
.why__media img { border-radius: var(--radius-l); aspect-ratio: 4 / 5; object-fit: cover; width: 100%; }
.why__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 22px; counter-reset: why; }
.why__list li { counter-increment: why; padding-left: 60px; position: relative; }
.why__list li::before {
  content: counter(why); position: absolute; left: 0; top: -4px; width: 42px; height: 42px; border-radius: 12px;
  background: var(--aqua-soft); color: var(--aqua-dark); display: grid; place-items: center; font-weight: 800; font-size: 17px;
}
.why__list h3 { font-size: 18px; margin-bottom: 5px; }
.why__list p { font-size: 15px; color: var(--muted); }

.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 940px) { .stats__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .stats__grid { grid-template-columns: 1fr; } }
.stat { border: 1px solid rgba(255, 255, 255, .14); border-radius: var(--radius-l); padding: 28px; }
.stat b { display: block; font-size: clamp(32px, 4vw, 44px); letter-spacing: -.03em; line-height: 1; margin-bottom: 10px; color: #6fd4d1; }
.stat span { font-size: 15px; color: #b6cdd8; }

/* ==========================================================================
   Галерея
   ========================================================================== */
.gallery__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 900px) { .gallery__grid { grid-template-columns: repeat(2, 1fr); } }
.gallery__grid a { display: block; border-radius: var(--radius); overflow: hidden; position: relative; }
.gallery__grid img { aspect-ratio: 1; object-fit: cover; width: 100%; transition: transform .35s ease; }
.gallery__grid a:hover img { transform: scale(1.06); }
.gallery__grid a:nth-child(1) { grid-column: span 2; grid-row: span 2; }
.gallery__grid a:nth-child(1) img { aspect-ratio: 1; }

/* ==========================================================================
   Отзывы
   ========================================================================== */
.reviews__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .reviews__grid { grid-template-columns: 1fr; } }
.review { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: 28px; display: flex; flex-direction: column; }
.review__stars { color: var(--sand); font-size: 17px; letter-spacing: 3px; margin-bottom: 14px; }
.review__text { font-size: 16px; margin-bottom: 20px; flex: 1; }
.review__placeholder { color: #93a8b4; font-style: italic; }
.review__author { display: flex; align-items: center; gap: 12px; padding-top: 18px; border-top: 1px solid var(--line); }
.review__avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--mist-2); display: grid; place-items: center; font-weight: 800; color: var(--muted); flex-shrink: 0; }
.review__author b { display: block; font-size: 15px; }
.review__author span { font-size: 13px; color: var(--muted); }

/* ==========================================================================
   География
   ========================================================================== */
.geo__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 900px) { .geo__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .geo__grid { grid-template-columns: 1fr; } }
.geo-card { border: 1px solid var(--line); border-radius: var(--radius-l); padding: 24px; background: #fff; }
.geo-card h3 { font-size: 18px; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.geo-card h3 svg { color: var(--aqua); flex-shrink: 0; }
.geo-card p { font-size: 14.5px; color: var(--muted); }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq { max-width: 860px; margin: 0 auto; }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q {
  width: 100%; text-align: left; display: flex; align-items: flex-start; justify-content: space-between; gap: 20px;
  padding: 24px 0; font-size: clamp(17px, 1.9vw, 20px); font-weight: 700; letter-spacing: -.01em;
}
.faq__q:hover { color: var(--aqua-dark); }
.faq__q svg { flex-shrink: 0; margin-top: 4px; transition: transform .25s ease; color: var(--aqua); }
.faq__q[aria-expanded="true"] svg { transform: rotate(45deg); }
.faq__a { padding: 0 0 24px; color: var(--muted); font-size: 16px; max-width: 70ch; }
.faq__a[hidden] { display: none; }

/* ==========================================================================
   Финальная форма
   ========================================================================== */
.cta { position: relative; color: #fff; overflow: hidden; background: var(--ink); }
.cta__bg { position: absolute; inset: 0; }
.cta__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .35; }
.cta__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(8,22,31,.95), rgba(18,48,62,.8)); }
.cta__grid { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); gap: clamp(30px, 4vw, 60px); align-items: center; }
@media (max-width: 900px) { .cta__grid { grid-template-columns: 1fr; } }
.cta__form { background: #fff; color: var(--text); border-radius: var(--radius-xl); padding: clamp(26px, 3vw, 40px); box-shadow: var(--shadow-l); }
.cta__form h3 { font-size: 23px; margin-bottom: 6px; }
.cta__form > p { font-size: 15px; color: var(--muted); margin-bottom: 22px; }
.cta__form .field { margin-bottom: 14px; }
.legal { font-size: 12.5px; color: var(--muted); margin-top: 14px; }
.legal a { text-decoration: underline; }
.cta__contacts { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 16px; }
.cta__contacts li { display: flex; gap: 14px; align-items: center; }
.cta__contacts svg { color: #6fd4d1; flex-shrink: 0; }
.cta__contacts b { display: block; font-size: 18px; }
.cta__contacts span { font-size: 14px; color: #a9c2ce; }

.form-status { font-size: 14px; margin-top: 12px; padding: 12px 16px; border-radius: var(--radius-s); background: var(--aqua-soft); color: var(--aqua-dark); font-weight: 600; }
.form-status[hidden] { display: none; }

/* ==========================================================================
   Футер
   ========================================================================== */
.footer { background: #061019; color: #8fa9b6; padding: clamp(48px, 5vw, 76px) 0 32px; font-size: 15px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; }
@media (max-width: 940px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer__grid { grid-template-columns: 1fr; } }
.footer h4 { color: #fff; font-size: 15px; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 18px; }
.footer ul { list-style: none; padding: 0; display: grid; gap: 10px; }
.footer a:hover { color: #6fd4d1; }
.footer .logo__name { color: #fff; }
.footer .logo__tag { color: #6b8494; }
.footer__phone { display: block; font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 6px; }
.footer__socials { display: flex; gap: 10px; margin-top: 16px; }
.footer__socials a { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,.08); color: #fff; }
.footer__socials a:hover { background: var(--aqua); }
.footer__bottom { margin-top: 44px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; font-size: 13.5px; }

/* ==========================================================================
   Плавающие элементы
   ========================================================================== */
.floats { position: fixed; right: 18px; bottom: 90px; z-index: 45; display: grid; gap: 10px; }
@media (min-width: 861px) { .floats { bottom: 24px; } }
.floats a, .floats button {
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; color: #fff;
  box-shadow: var(--shadow); transition: transform .18s ease;
}
.floats a:hover, .floats button:hover { transform: scale(1.08); }
.float--wa { background: #25d366; }
.float--tg { background: #7c5cff; }
.float--call { background: var(--aqua); }
.float--top { background: var(--ink); }
.float--top[hidden] { display: none; }

.mobile-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 46; display: none;
  background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -6px 24px rgba(8,22,31,.1);
  padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
  grid-template-columns: repeat(3, 1fr); gap: 8px;
}
@media (max-width: 860px) { .mobile-bar { display: grid; } body { padding-bottom: 78px; } }
.mobile-bar a {
  display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 8px 4px; border-radius: var(--radius-s);
  font-size: 12px; font-weight: 700; color: var(--ink); min-height: 52px; justify-content: center;
}
.mobile-bar a svg { color: var(--aqua); }
.mobile-bar a.is-primary { background: var(--aqua); color: #fff; }
.mobile-bar a.is-primary svg { color: #fff; }

/* ==========================================================================
   Модалка
   ========================================================================== */
.modal { position: fixed; inset: 0; z-index: 90; display: grid; place-items: center; padding: 20px; }
.modal[hidden] { display: none; }
.modal__overlay { position: absolute; inset: 0; background: rgba(8, 22, 31, .6); backdrop-filter: blur(4px); }
.modal__box {
  position: relative; background: #fff; border-radius: var(--radius-xl); padding: clamp(26px, 3vw, 40px);
  max-width: 460px; width: 100%; box-shadow: var(--shadow-l); max-height: 90vh; overflow-y: auto;
}
.modal__close { position: absolute; right: 16px; top: 16px; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; color: var(--muted); }
.modal__close:hover { background: var(--mist); color: var(--ink); }
.modal__box h3 { font-size: 24px; margin-bottom: 8px; }
.modal__box > p { font-size: 15px; color: var(--muted); margin-bottom: 22px; }
.modal__box .field { margin-bottom: 14px; }

/* ==========================================================================
   Анимация появления
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ==========================================================================
   Печать
   ========================================================================== */
@media print {
  .header, .floats, .mobile-bar, .promo-bar, .modal, .hero__actions { display: none !important; }
  body { font-size: 12pt; color: #000; }
}