/* Витрина разбора. Своя лёгкая оболочка: системные шрифты, один цвет акцента от арендатора (--accent). */
:root {
  --accent: #0b6e6e; --accent-ink: #fff;
  --ink: #14181f; --ink-2: #4a5361; --ink-3: #6b7482;
  --line: #e2e5ea; --bg: #f5f6f8; --card: #fff; --warn: #8a5a00; --bad: #a3271f; --ok: #1d6b3a;
  --r: 10px; --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 16px/1.5 var(--font); color: var(--ink); background: var(--bg); min-height: 100vh; display: flex; flex-direction: column; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, p, ul, dl, dd, fieldset { margin: 0; padding: 0; }
ul { list-style: none; }
fieldset { border: 0; min-width: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent); outline-offset: 2px; }

.s-wrap { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.s-main { flex: 1; padding-top: 28px; padding-bottom: 64px; }
.s-h1 { font-size: clamp(24px, 3.2vw, 34px); line-height: 1.15; letter-spacing: -0.02em; font-weight: 700; margin-bottom: 20px; text-wrap: balance; }
.s-h2 { font-size: 20px; line-height: 1.25; font-weight: 700; margin-bottom: 14px; }
.s-muted { color: var(--ink-3); font-size: 14px; }
.s-link { color: var(--ink-2); font-size: 14px; text-decoration: underline; text-underline-offset: 3px; background: none; border: 0; padding: 0; cursor: pointer; font-family: inherit; }
.s-link:hover { color: var(--ink); }
.s-section { margin-top: 44px; }

/* шапка */
.s-head { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.s-head__row { display: flex; align-items: center; gap: 24px; min-height: 68px; padding-top: 10px; padding-bottom: 10px; }
.s-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; min-width: 0; }
.s-brand__logo { height: 40px; width: auto; max-width: 140px; object-fit: contain; }
.s-brand__name { font-weight: 800; font-size: 18px; letter-spacing: -0.01em; line-height: 1.15; }
.s-search { flex: 1; display: flex; max-width: 560px; margin-left: auto; }
.s-search__input { flex: 1; min-width: 0; height: 44px; padding: 0 14px; border: 1px solid #c9ced6; border-right: 0; border-radius: var(--r) 0 0 var(--r); font: inherit; background: #fff; color: var(--ink); }
.s-search__input:focus { outline: none; border-color: var(--accent); }
.s-search__btn { height: 44px; padding: 0 18px; border: 0; border-radius: 0 var(--r) var(--r) 0; background: var(--accent); color: var(--accent-ink); font: inherit; font-weight: 600; cursor: pointer; }
.s-head__side { display: flex; align-items: center; gap: 20px; white-space: nowrap; }
.s-phone { font-weight: 700; text-decoration: none; }
.s-cartlink { display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 16px; border: 1px solid #c9ced6; border-radius: var(--r); text-decoration: none; font-weight: 600; background: #fff; }
.s-cartlink:hover { border-color: var(--ink); }
.s-cartlink__n { min-width: 22px; height: 22px; padding: 0 6px; border-radius: 11px; background: var(--accent); color: var(--accent-ink); font-size: 13px; display: inline-grid; place-items: center; }

/* кнопки */
.s-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 20px; border: 1px solid var(--accent); border-radius: var(--r); background: var(--accent); color: var(--accent-ink); font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; transition: filter .15s; text-align: center; }
.s-btn:hover { filter: brightness(0.92); }
.s-btn--sm { min-height: 38px; padding: 0 14px; font-size: 14px; }
.s-btn--lg { min-height: 52px; padding: 0 26px; font-size: 17px; }
.s-btn--block { display: flex; width: 100%; }
.s-btn--ghost { background: #fff; color: var(--ink); border-color: #c9ced6; }
.s-btn--ghost:hover { filter: none; border-color: var(--ink); }

/* сообщения */
.s-flash { padding: 12px 16px; border-radius: var(--r); margin-bottom: 20px; background: #e8f3ec; color: var(--ok); font-weight: 500; }
.s-flash--warn { background: #fdf3dc; color: var(--warn); }
.s-flash--bad { background: #fbe9e7; color: var(--bad); }
.s-note { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 32px; max-width: 720px; display: grid; gap: 14px; justify-items: start; }
.s-note__title { font-size: 20px; font-weight: 700; }
.s-note__sum { width: 100%; }

/* главная */
.s-hero { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 32px; align-items: end; background: var(--ink); color: #fff; border-radius: 16px; padding: 48px; }
.s-hero__title { font-size: clamp(30px, 4.6vw, 52px); line-height: 1.05; letter-spacing: -0.03em; font-weight: 800; text-wrap: balance; }
.s-hero__lead { margin-top: 16px; font-size: 18px; color: #c9ced6; max-width: 56ch; }
.s-hero__actions { margin-top: 28px; }
.s-contacts { display: grid; gap: 14px; border-left: 3px solid var(--accent); padding-left: 20px; }
.s-contacts dt { font-size: 13px; color: #9aa3b0; }
.s-contacts dd { font-size: 17px; font-weight: 600; }
.s-contacts a { text-decoration: none; }
.s-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.s-chip { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 14px; background: var(--card); border: 1px solid var(--line); border-radius: 20px; text-decoration: none; font-weight: 500; }
.s-chip:hover { border-color: var(--accent); }
.s-chip__n { color: var(--ink-3); font-size: 13px; }

/* карточки деталей */
.p-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.p-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.p-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .15s, border-color .15s; }
.p-card:hover { border-color: #c9ced6; box-shadow: 0 6px 20px rgba(20, 24, 31, .08); }
.p-card__photo { position: relative; display: block; aspect-ratio: 4 / 3; background: #e9ecf0; }
.p-card__photo img { width: 100%; height: 100%; object-fit: cover; }
.p-card__nophoto { position: absolute; inset: 0; display: grid; place-items: center; color: var(--ink-3); font-size: 14px; }
.p-card__sale { position: absolute; left: 10px; top: 10px; padding: 3px 10px; border-radius: 6px; background: var(--accent); color: var(--accent-ink); font-size: 13px; font-weight: 700; }
.p-card__body { padding: 14px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.p-card__name { font-weight: 600; line-height: 1.3; text-decoration: none; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.p-card__name:hover { color: var(--accent); }
.p-card__meta { display: flex; flex-wrap: wrap; gap: 4px 10px; font-size: 13px; color: var(--ink-3); }
.p-card__cond { color: var(--ink-2); font-weight: 600; }
.p-card__foot { margin-top: auto; padding-top: 6px; display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.p-price__now { font-size: 20px; font-weight: 800; letter-spacing: -0.01em; white-space: nowrap; }
.p-price__old { color: var(--ink-3); font-size: 14px; white-space: nowrap; }
.p-price--big .p-price__now { font-size: 34px; }
.p-price--big .p-price__old { font-size: 18px; }
.p-price__why { font-size: 14px; color: var(--ink-2); margin-top: 2px; }

/* каталог */
.s-cat { display: grid; grid-template-columns: 264px minmax(0, 1fr); gap: 28px; align-items: start; }
.s-filters { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; }
.s-filters__toggle { font-weight: 700; cursor: pointer; list-style: none; display: none; }
.s-filters__toggle::-webkit-details-marker { display: none; }
.s-filters__actions { display: flex; align-items: center; gap: 16px; }
.s-cat__count { margin-bottom: 12px; }
.s-pages { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 28px; }
.s-pages__a { font-weight: 600; color: var(--accent); filter: brightness(.8); }
.s-pages__now { color: var(--ink-3); font-size: 14px; }
.s-crumbs { font-size: 14px; color: var(--ink-3); margin-bottom: 14px; }
.s-crumbs span { margin: 0 4px; }

/* формы */
.s-form { display: grid; gap: 16px; }
.s-form__pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.s-form__pair--tight { gap: 8px; }
.s-field { display: grid; gap: 6px; min-width: 0; }
.s-field__label { font-size: 14px; font-weight: 600; color: var(--ink-2); }
.s-input { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #c9ced6; border-radius: 8px; font: inherit; color: var(--ink); background: #fff; }
.s-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.s-field--error .s-input { border-color: var(--bad); }
.s-field__error { color: var(--bad); font-size: 14px; }
.s-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.s-wait { margin-top: 20px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 24px; max-width: 720px; }
.s-choice { display: grid; gap: 10px; }
.s-choice__opt { display: flex; gap: 12px; align-items: flex-start; padding: 14px; border: 1px solid #c9ced6; border-radius: 8px; background: #fff; cursor: pointer; }
.s-choice__opt:has(input:checked) { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.s-choice__opt input { margin-top: 4px; accent-color: var(--accent); width: 18px; height: 18px; flex: none; }
.s-pay ul { margin-top: 6px; display: grid; gap: 2px; }
.s-pay li::before { content: "— "; color: var(--ink-3); }

/* карточка детали */
.p-page { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.p-gallery__main { display: block; aspect-ratio: 4 / 3; background: #e9ecf0; border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); }
.p-gallery__main img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.p-gallery__main--empty { display: grid; place-items: center; color: var(--ink-3); }
.p-gallery__thumbs { display: flex; gap: 8px; margin-top: 10px; overflow-x: auto; padding-bottom: 4px; }
.p-gallery__thumb { flex: none; width: 84px; height: 64px; padding: 0; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; background: #fff; cursor: pointer; }
.p-gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
.p-info { display: grid; gap: 16px; }
.p-info__name { margin-bottom: 0; }
.p-info__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.s-tag { padding: 4px 10px; border-radius: 6px; background: #e9ecf0; font-size: 14px; font-weight: 600; color: var(--ink-2); }
.s-tag--accent { background: color-mix(in srgb, var(--accent) 14%, #fff); color: var(--ink); }
.p-specs { border-top: 1px solid var(--line); }
.p-specs div { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.p-specs dt { color: var(--ink-3); font-size: 14px; }
.p-specs dd { font-weight: 500; overflow-wrap: anywhere; }
.p-desc { white-space: pre-line; color: var(--ink-2); max-width: 65ch; }

/* корзина и итог */
.s-cart { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 28px; align-items: start; }
.s-cart__list { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); }
.s-cart__item { display: grid; grid-template-columns: 96px minmax(0, 1fr) auto; grid-template-areas: "photo text price" "photo text rm"; gap: 4px 16px; padding: 16px; border-bottom: 1px solid var(--line); align-items: start; }
.s-cart__item:last-child { border-bottom: 0; }
.s-cart__photo { grid-area: photo; aspect-ratio: 4 / 3; background: #e9ecf0; border-radius: 6px; overflow: hidden; }
.s-cart__photo img { width: 100%; height: 100%; object-fit: cover; }
.s-cart__text { grid-area: text; min-width: 0; }
.s-cart__name { font-weight: 600; text-decoration: none; }
.s-cart__price { grid-area: price; font-weight: 800; font-size: 18px; white-space: nowrap; text-align: right; }
.s-cart__rm { grid-area: rm; text-align: right; }
.s-sum { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; display: grid; gap: 16px; position: sticky; top: 88px; }
.s-sum__rows div { display: flex; justify-content: space-between; gap: 16px; padding: 6px 0; }
.s-sum__rows dd { white-space: nowrap; font-weight: 600; }
.s-sum__disc { color: var(--ok); }
.s-sum__total { border-top: 1px solid var(--line); margin-top: 6px; padding-top: 12px !important; font-size: 20px; }
.s-sum__total dd { font-weight: 800; }
.s-sum__items { display: grid; gap: 8px; font-size: 14px; }
.s-sum__items li { display: flex; justify-content: space-between; gap: 12px; }
.s-sum__items li span:last-child { white-space: nowrap; font-weight: 600; }
.s-promo { display: grid; gap: 6px; }
.s-promo__row { display: flex; gap: 8px; }
.s-promo__row .s-input { text-transform: uppercase; }
.s-checkout { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 24px; }

/* подвал */
.s-foot { background: var(--ink); color: #c9ced6; font-size: 14px; padding: 32px 0; }
.s-foot__row { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.s-foot__name { color: #fff; font-weight: 700; font-size: 16px; margin-bottom: 4px; }
.s-foot__side { max-width: 420px; }
.s-foot__phone { color: #fff; font-weight: 700; font-size: 18px; text-decoration: none; }
.s-foot__note { margin-top: 6px; color: #9aa3b0; }

@media (max-width: 1000px) {
  .p-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .p-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .s-cart { grid-template-columns: minmax(0, 1fr); }
  .s-sum { position: static; }
  .p-page { grid-template-columns: minmax(0, 1fr); gap: 24px; }
}
@media (max-width: 760px) {
  .s-wrap { padding: 0 16px; }
  .s-main { padding-top: 20px; }
  .s-head { position: static; }
  .s-head__row { flex-wrap: wrap; gap: 10px 16px; }
  .s-brand { flex: 1; }
  .s-search { order: 3; flex-basis: 100%; max-width: none; margin-left: 0; }
  .s-phone { display: none; }
  .s-hero { grid-template-columns: minmax(0, 1fr); padding: 28px 20px; border-radius: 12px; }
  .s-hero .s-btn { width: 100%; }
  .p-grid, .p-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .p-card__body { padding: 10px; }
  .p-price__now { font-size: 17px; }
  .p-card__foot form, .p-card__foot .s-btn { width: 100%; }
  .s-cat { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .s-filters { padding: 14px; }
  .s-filters__toggle { display: block; }
  .s-filters[open] .s-filters__toggle { margin-bottom: 14px; }
  .s-form__pair:not(.s-form__pair--tight) { grid-template-columns: minmax(0, 1fr); }
  .s-note, .s-wait, .s-checkout { padding: 20px 16px; }
  .s-cart__item { grid-template-columns: 72px minmax(0, 1fr); grid-template-areas: "photo text" "price rm"; }
  .s-cart__price { text-align: left; }
  .p-specs div { grid-template-columns: 120px minmax(0, 1fr); }
  .s-btn--sm { min-height: 40px; }  /* пальцем: цель не меньше 40 px */
  button.s-link { min-height: 40px; }
}
@media (min-width: 761px) { .s-filters > summary { display: none; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }