/* Заборы ВРН — единственный CSS сайта. Mobile-first, системные шрифты, без внешних загрузок. */

:root {
  --ink: #14202c;
  --ink-2: #4a5b6b;
  --ink-3: #5f7080;
  --accent: #c74a05;
  --accent-dk: #a83d03;
  --bg: #ffffff;
  --surface: #f4f6f8;
  --surface-2: #e9eef2;
  --line: #dbe2e8;
  --ok: #17794a;
  --err: #b3261e;

  --wrap: 1180px;
  --r: 10px;
  --gap: 16px;

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

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  overflow-wrap: break-word;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent-dk); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--accent); }

h1, h2, h3 { line-height: 1.22; margin: 0 0 .5em; font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.0625rem; }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
.wrap--narrow { max-width: 760px; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: #fff; padding: 10px 16px;
}
.skip:focus { left: 0; }

:where(a, button, input, select, textarea, summary):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- Шапка ---------- */

.hdr { border-bottom: 1px solid var(--line); background: #fff; }
.hdr__in { display: flex; align-items: center; gap: 12px; min-height: 62px; flex-wrap: wrap; }

.hdr__logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); margin-right: auto; }
.hdr__logo-mark {
  width: 30px; height: 30px; flex: none; border-radius: 5px;
  background:
    repeating-linear-gradient(90deg, var(--ink) 0 4px, transparent 4px 7px) center/100% 68% no-repeat,
    var(--accent);
}
.hdr__logo-txt b { display: block; font-size: 1.0625rem; line-height: 1.15; }
.hdr__logo-txt small { display: block; font-size: .75rem; color: var(--ink-3); }

.hdr__nav { display: none; gap: 18px; }
.hdr__nav a { color: var(--ink); text-decoration: none; font-size: .9375rem; }
.hdr__nav a:hover { color: var(--accent); }

.hdr__contact { text-align: right; }
.hdr__phone { display: block; font-weight: 700; font-size: 1.0625rem; color: var(--ink); text-decoration: none; white-space: nowrap; }
.hdr__hours { display: none; font-size: .75rem; color: var(--ink-3); }

/* ---------- Первый экран ---------- */

.hero { background: var(--surface); border-bottom: 1px solid var(--line); padding: 22px 0 26px; }
.hero__in { display: grid; gap: 20px; }
.hero__h1 { font-size: 1.625rem; margin-bottom: 10px; }
.hero__lead { color: var(--ink-2); margin-bottom: 14px; }

.hero__usp { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.hero__usp li { position: relative; padding-left: 24px; font-size: .9375rem; }
.hero__usp li::before {
  content: ""; position: absolute; left: 0; top: .45em;
  width: 13px; height: 7px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

.pricebox { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 18px; }
.pricebox__label { font-size: .8125rem; color: var(--ink-3); text-transform: uppercase; letter-spacing: .04em; }
.pricebox__value { font-size: 2rem; font-weight: 700; line-height: 1.1; margin-top: 4px; }
.pricebox__value span { font-size: 1.25rem; }
.pricebox__unit { color: var(--ink-2); font-size: .9375rem; }
.pricebox__note { font-size: .8125rem; color: var(--ink-3); margin: 10px 0 14px; }
.pricebox__phone { display: block; text-align: center; margin-top: 10px; font-weight: 700; color: var(--ink); text-decoration: none; }

/* ---------- Кнопки ---------- */

.btn {
  display: inline-block; width: 100%; text-align: center;
  background: var(--accent); color: #fff; text-decoration: none;
  border: 0; border-radius: 8px; padding: 13px 20px;
  font: inherit; font-weight: 600; cursor: pointer;
}
.btn:hover { background: var(--accent-dk); color: #fff; }
.btn--big { padding: 15px 22px; font-size: 1.0625rem; }

/* ---------- Хлебные крошки ---------- */

.crumbs { border-bottom: 1px solid var(--line); font-size: .8125rem; }
.crumbs__list { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 9px 0; }
.crumbs__item + .crumbs__item::before { content: "/"; color: var(--ink-3); margin-right: 6px; }
.crumbs a { color: var(--ink-2); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.crumbs [aria-current] { color: var(--ink-3); }

/* ---------- Секции ---------- */

.sec { padding: 30px 0; border-bottom: 1px solid var(--line); }
.sec__h { font-size: 1.375rem; }
.sec__intro { color: var(--ink-2); max-width: 70ch; }

.article-body h2 { margin-top: 1.4em; }
.article-body h2:first-child { margin-top: 0; }
.article-body h3 { margin-top: 1.3em; }
.article-body p, .article-body li { color: var(--ink-2); }

.bullets { padding-left: 20px; margin: 0 0 1em; }
.bullets li { margin-bottom: 6px; }

/* ---------- Галерея ---------- */

.gallery__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.gallery__item { margin: 0; }
.gallery__item img { border-radius: 8px; background: var(--surface-2); aspect-ratio: 4 / 3; object-fit: cover; }
.gallery__item figcaption { font-size: .75rem; color: var(--ink-3); margin-top: 6px; }

/* ---------- Таблицы ---------- */

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tbl { border-collapse: collapse; width: 100%; min-width: 480px; font-size: .9375rem; }
.tbl th, .tbl td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; }
.tbl thead th { background: var(--surface); font-size: .875rem; }
.tbl tbody th { font-weight: 600; background: #fcfdfd; }
.tbl__note { font-size: .8125rem; color: var(--ink-3); margin-top: 10px; }

/* ---------- Списки-галочки ---------- */

.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.checks__item { position: relative; padding-left: 26px; }
.checks__item::before {
  content: ""; position: absolute; left: 0; top: .45em;
  width: 14px; height: 8px; border-left: 2px solid var(--ok); border-bottom: 2px solid var(--ok);
  transform: rotate(-45deg);
}
.included__note { margin-top: 16px; font-size: .9375rem; color: var(--ink-2); }

/* ---------- Этапы ---------- */

.steps__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; counter-reset: s; }
.steps__item { display: flex; gap: 14px; }
.steps__num {
  flex: none; width: 34px; height: 34px; border-radius: 50%;
  background: var(--ink); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: .9375rem;
}
.steps__h { font-size: 1rem; margin-bottom: 3px; }
.steps__body p { margin: 0; color: var(--ink-2); font-size: .9375rem; }

/* ---------- Калькулятор ---------- */

.calc__box { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; }
.calc__grid { display: grid; gap: 14px; }
.calc__field label { display: block; font-size: .8125rem; color: var(--ink-2); margin-bottom: 4px; }
.calc__field select, .calc__field input[type="number"] {
  width: 100%; font: inherit; font-size: 1rem; padding: 10px 11px;
  border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink);
}
.calc__field--checks { display: grid; gap: 8px; align-content: end; }
.calc__check { display: flex; gap: 8px; align-items: flex-start; font-size: .9375rem; cursor: pointer; }
.calc__check input { margin-top: 4px; flex: none; width: 18px; height: 18px; accent-color: var(--accent); }

.calc__result { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.calc__sum { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.calc__sum-label { font-size: .8125rem; color: var(--ink-3); text-transform: uppercase; letter-spacing: .04em; }
.calc__sum-value { font-size: 1.875rem; font-weight: 700; }
.calc__breakdown { list-style: none; margin: 10px 0 16px; padding: 0; font-size: .875rem; color: var(--ink-2); }
.calc__breakdown li { display: flex; justify-content: space-between; gap: 12px; padding: 4px 0; border-bottom: 1px dashed var(--line); }
.calc__breakdown li span:last-child { white-space: nowrap; }

/* ---------- FAQ ---------- */

.faq__list { display: grid; gap: 8px; max-width: 860px; }
.faq__item { border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.faq__q { padding: 13px 16px; font-weight: 600; cursor: pointer; list-style: none; position: relative; padding-right: 44px; }
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after {
  content: ""; position: absolute; right: 18px; top: 20px;
  width: 9px; height: 9px; border-right: 2px solid var(--ink-3); border-bottom: 2px solid var(--ink-3);
  transform: rotate(45deg); transition: transform .15s;
}
.faq__item[open] .faq__q::after { transform: rotate(-135deg); }
.faq__a { padding: 0 16px 4px; color: var(--ink-2); font-size: .9375rem; }

/* ---------- Локации ---------- */

.areas__list { list-style: none; margin: 16px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.areas__list a {
  display: flex; justify-content: space-between; align-items: baseline; gap: 8px;
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  text-decoration: none; color: var(--ink); background: #fff; font-size: .9375rem;
}
.areas__list a:hover { border-color: var(--accent); }
.areas__list span { font-size: .75rem; color: var(--ink-3); white-space: nowrap; }

/* ---------- Карточки ---------- */

.cards { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
.card {
  display: flex; flex-direction: column; gap: 5px;
  padding: 14px; border: 1px solid var(--line); border-radius: var(--r);
  text-decoration: none; color: var(--ink); background: #fff;
}
.card:hover { border-color: var(--accent); color: var(--ink); }
.card__h { font-weight: 600; font-size: .9375rem; line-height: 1.3; }
.card__price { font-weight: 700; color: var(--accent-dk); font-size: .9375rem; }
.card__price small { font-weight: 400; color: var(--ink-3); font-size: .75rem; }
.card__txt { font-size: .8125rem; color: var(--ink-2); }

/* ---------- Форма ---------- */

.form-sec { background: var(--ink); color: #fff; border-bottom: 0; }
.form-sec .sec__h { color: #fff; }
.form-sec__in { display: grid; gap: 22px; }
.form-sec__lead p { color: #b8c4ce; }
.form-sec__facts { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 6px; font-size: .9375rem; color: #d5dee5; }
.form-sec__facts li { padding-left: 20px; position: relative; }
.form-sec__facts li::before { content: "—"; position: absolute; left: 0; color: var(--accent); }
.form-sec__phone { color: #fff; font-size: 1.375rem; font-weight: 700; text-decoration: none; }

.form { background: #fff; border-radius: var(--r); padding: 18px; color: var(--ink); }
.form__row { margin-bottom: 12px; }
.form__label { display: block; font-size: .8125rem; color: var(--ink-2); margin-bottom: 4px; }
.req { color: var(--err); }
.form__input {
  width: 100%; font: inherit; font-size: 1rem; padding: 11px 12px;
  border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink);
}
.form__input--area { resize: vertical; min-height: 76px; }
.form__input[aria-invalid="true"] { border-color: var(--err); }

.form__consent { display: flex; gap: 9px; align-items: flex-start; font-size: .8125rem; color: var(--ink-2); margin: 4px 0 14px; }
.form__consent input { margin-top: 3px; flex: none; width: 17px; height: 17px; accent-color: var(--accent); }

.form__status { margin: 12px 0 0; font-size: .9375rem; min-height: 1.2em; }
.form__status--ok { color: var(--ok); }
.form__status--err { color: var(--err); }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Подвал ---------- */

.ftr { background: var(--surface); border-top: 1px solid var(--line); padding: 28px 0 0; font-size: .875rem; }
.ftr__in { display: grid; gap: 22px; }
.ftr__brand { font-weight: 700; font-size: 1.0625rem; }
.ftr__note { color: var(--ink-2); margin: 6px 0 10px; }
.ftr__phone { display: block; font-size: 1.25rem; font-weight: 700; color: var(--ink); text-decoration: none; }
.ftr__line { color: var(--ink-2); }
.ftr__h { font-weight: 700; margin-bottom: 8px; }
.ftr__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 5px; }
.ftr__list a { color: var(--ink-2); text-decoration: none; }
.ftr__list a:hover { color: var(--accent); }
.ftr__list--cols { grid-template-columns: repeat(2, 1fr); }

.ftr__bottom {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  margin-top: 22px; padding-top: 14px; padding-bottom: 14px;
  border-top: 1px solid var(--line); color: var(--ink-3); font-size: .75rem;
}

/* ---------- Липкая кнопка звонка (мобильные) ---------- */

.sticky {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: flex; gap: 8px; padding: 8px 10px;
  background: rgba(255, 255, 255, .94); border-top: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.sticky a {
  flex: 1; text-align: center; padding: 12px 8px; border-radius: 8px;
  text-decoration: none; font-weight: 600; font-size: .9375rem;
}
.sticky__call { background: var(--accent); color: #fff; }
.sticky__call:hover { background: var(--accent-dk); color: #fff; }
.sticky__calc { background: var(--surface-2); color: var(--ink); }
body { padding-bottom: 62px; }

/* ---------- Планшет ---------- */

@media (min-width: 700px) {
  h1 { font-size: 2.125rem; }
  .hero__h1 { font-size: 2rem; }
  .sec { padding: 40px 0; }
  .gallery__grid { grid-template-columns: repeat(3, 1fr); }
  .cards { grid-template-columns: repeat(4, 1fr); }
  .areas__list { grid-template-columns: repeat(4, 1fr); }
  .calc__grid { grid-template-columns: repeat(2, 1fr); }
  .steps__list { grid-template-columns: repeat(2, 1fr); }
  .checks { grid-template-columns: repeat(2, 1fr); }
  .btn { width: auto; }
  .form .btn { width: 100%; }
  .form-sec__in { grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
  .ftr__in { grid-template-columns: 1.4fr 1fr 1fr; }
}

/* ---------- Десктоп ---------- */

@media (min-width: 1000px) {
  .hdr__nav { display: flex; }
  .hdr__hours { display: block; }
  .hero { padding: 34px 0 40px; }
  .hero__in { grid-template-columns: 1fr 330px; gap: 34px; align-items: start; }
  .hero__h1 { font-size: 2.375rem; }
  .hero__lead { font-size: 1.0625rem; }
  .calc__grid { grid-template-columns: repeat(3, 1fr); }
  .steps__list { grid-template-columns: repeat(4, 1fr); }
  .ftr__in { grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr; }
  .sticky { display: none; }
  body { padding-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}