/* Витрина магазина. Отдельный файл: покупателю нужен другой вид,
   чем сотруднику, а смешивать стили — потом не распутать. */
:root {
  --green: #4a9b2f;
  --green-dark: #3b7d25;
  --orange: #f07d1a;
  --ink: #24303d;
  --muted: #8a97a3;
  --line: #e3e8ec;
  --bg: #f6f8f6;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  font-size: 15px;
  line-height: 1.5;
}
a { color: var(--green-dark); }
img { max-width: 100%; }

.s-wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.s-muted { color: var(--muted); font-size: 13.5px; }
.s-h1 { font-size: 26px; margin: 18px 0 6px; }
.s-h2 { font-size: 19px; margin: 26px 0 12px; color: var(--green-dark); }

/* ---------- шапка ---------- */
.s-top { border-bottom: 1px solid var(--line); background: #fff; }
.s-top-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.s-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.s-logo img { height: 38px; }
.s-logo span { font-weight: 800; color: var(--green); letter-spacing: 0.3px; }

.s-search { flex: 1 1 auto; display: flex; gap: 8px; min-width: 0; }
.s-search input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
}
.s-search button {
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 11px 20px;
  font-weight: 600;
  font-size: 15px;
  font-family: inherit;
  cursor: pointer;
}
.s-top-right { display: flex; align-items: center; gap: 16px; }
.s-phone { font-weight: 700; text-decoration: none; color: var(--ink); white-space: nowrap; }
.s-cart {
  background: var(--orange);
  color: #fff;
  text-decoration: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  white-space: nowrap;
}
.s-account {
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 16px;
  white-space: nowrap;
}
.s-account:hover { border-color: var(--green); }
.s-nav { display: flex; gap: 22px; padding-bottom: 12px; align-items: center; }
/* подпись о договорных ценах — покупателю видно, что он вошёл под своими */
.s-yourprice {
  margin-left: auto;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 600;
  background: #eaf6e5;
  border-radius: 6px;
  padding: 4px 10px;
}
.s-narrow { max-width: 520px; margin: 0 auto; }
.s-nav a { text-decoration: none; color: var(--ink); font-weight: 600; }
.s-nav a:hover { color: var(--green); }

/* ---------- главная ---------- */
.s-hero {
  background: var(--bg);
  border-radius: 14px;
  padding: 32px;
  margin-top: 20px;
}
.s-hero h1 { margin: 0 0 8px; font-size: 30px; }
.s-hero p { margin: 0 0 18px; max-width: 640px; color: #4d5a66; }

.s-sections { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.s-section {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
}
.s-section:hover { border-color: var(--green); }
.s-section small { color: var(--muted); font-weight: 400; }

/* ---------- каталог ---------- */
.s-layout { display: flex; gap: 24px; align-items: flex-start; margin-top: 16px; }
.s-side { flex: 0 0 250px; }
.s-main { flex: 1 1 auto; min-width: 0; }
.s-side-title { font-weight: 700; margin: 14px 0 8px; }
/* заголовок «Разделы» — он же кнопка раскрытия на телефоне */
summary.s-side-title { cursor: pointer; list-style: none; }
summary.s-side-title::-webkit-details-marker { display: none; }
.s-side[open] > summary.s-side-title::after { content: " ▾"; color: var(--muted); }
.s-side:not([open]) > summary.s-side-title::after { content: " ▸"; color: var(--muted); }
.s-side-link {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--ink);
  font-size: 14px;
}
.s-side-link:hover { background: var(--bg); }
.s-side-link.active { background: var(--bg); color: var(--green-dark); font-weight: 700; }
.s-side-link small { color: var(--muted); }

.s-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.s-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.s-card:hover { border-color: #c9d5cd; box-shadow: 0 4px 14px rgba(36, 48, 61, .07); }
.s-card-photo {
  position: relative;
  display: block;
  height: 170px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.s-card-photo img { max-height: 100%; object-fit: contain; }
.s-nophoto { color: var(--muted); font-size: 13px; }
.s-sale {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--orange);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 5px;
}
.s-card-body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 8px; flex: 1 1 auto; }
.s-card-name { text-decoration: none; color: var(--ink); font-weight: 600; line-height: 1.35; }
.s-card-name:hover { color: var(--green-dark); }

.s-price { font-size: 17px; }
.s-price b { color: var(--ink); }
.s-price s { color: var(--muted); font-size: 14px; margin-left: 6px; font-weight: 400; }
.s-price .s-unit { color: var(--muted); font-size: 13px; font-weight: 400; }
.s-price-big { font-size: 26px; margin: 14px 0 6px; }
/* товар без цены выбранного типа: оптовую вместо неё не показываем */
.s-price-ask { color: var(--muted); font-weight: 600; }

.s-stock { font-size: 13px; font-weight: 600; }
.s-stock-in { color: var(--green); }
.s-stock-low { color: var(--orange); }
.s-stock-order, .s-stock-unknown { color: var(--muted); }

.s-btn {
  display: inline-block;
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 14.5px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}
.s-btn:hover { background: var(--green-dark); }
.s-btn-big { padding: 13px 26px; font-size: 16px; }
.s-btn-ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.s-btn-ghost:hover { background: var(--bg); }

.s-pages { display: flex; gap: 18px; align-items: center; justify-content: center; margin: 26px 0; }
.s-empty { padding: 40px 0; text-align: center; }

/* ---------- карточка товара ---------- */
.s-crumbs { margin: 14px 0 6px; font-size: 13.5px; color: var(--muted); }
.s-product { display: flex; gap: 32px; align-items: flex-start; }
.s-product-photo {
  flex: 0 0 42%;
  background: var(--bg);
  border-radius: 12px;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.s-product-buy { flex: 1 1 auto; min-width: 0; }
.s-buy-form { display: flex; gap: 10px; align-items: center; margin: 16px 0; }
.s-buy-form input {
  width: 90px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 16px;
  font-family: inherit;
}
.s-facts { padding-left: 18px; color: #4d5a66; font-size: 14px; }
.s-facts li { margin-bottom: 4px; }

.s-block { margin-top: 30px; }
.s-specs { border-collapse: collapse; width: 100%; max-width: 720px; }
.s-specs td { border-bottom: 1px solid var(--line); padding: 9px 12px 9px 0; vertical-align: top; }
.s-specs td:first-child { color: var(--muted); width: 220px; }
.s-doc {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 16px;
  margin: 0 8px 8px 0;
  text-decoration: none;
  color: var(--ink);
}
.s-doc:hover { border-color: var(--green); }
.s-doc-video { border-color: #f0c4a0; }

/* ---------- корзина и оформление ---------- */
.s-cart { border-top: 1px solid var(--line); }
.s-cart-row {
  display: grid;
  grid-template-columns: 80px 1fr 140px 110px 120px;
  gap: 14px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.s-cart-photo {
  height: 70px;
  background: var(--bg);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.s-cart-photo img { max-height: 100%; object-fit: contain; }
.s-cart-name a { text-decoration: none; font-weight: 600; color: var(--ink); }
.s-cart-qty input {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
}
.s-cart-sum { text-align: right; font-weight: 700; }
.s-cart-foot { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; }
.s-cart-total { text-align: right; font-size: 18px; }
.s-cart-actions { display: flex; gap: 12px; align-items: center; margin-bottom: 30px; }

.s-checkout { display: flex; gap: 26px; align-items: flex-start; }
.s-checkout-form { flex: 1 1 auto; min-width: 0; }
.s-checkout-sum {
  flex: 0 0 320px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
}
.s-sum-row { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.s-sum-total { display: flex; justify-content: space-between; padding: 12px 0; font-size: 18px; }
.s-checkout-sum .s-btn { width: 100%; margin-top: 10px; }

.s-fieldset { border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin: 0 0 16px; }
.s-fieldset legend { font-weight: 700; padding: 0 8px; }
.s-label { display: block; margin-bottom: 12px; font-size: 14px; }
.s-label input, .s-label textarea, .s-label select {
  display: block;
  width: 100%;
  margin-top: 5px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
}
.s-req { color: #d43b3b; }
.s-radio-row { display: flex; gap: 20px; margin-bottom: 14px; }
.s-radio { display: block; margin-bottom: 8px; }
.s-check { display: block; margin-top: 12px; font-size: 14px; }
.s-alert {
  background: #fdecea;
  border-left: 4px solid #d43b3b;
  border-radius: 8px;
  padding: 14px 18px;
  margin: 16px 0;
}
.s-alert ul { margin: 6px 0 0; padding-left: 20px; }

/* ---------- заказ ---------- */
.s-order { display: flex; gap: 26px; align-items: flex-start; }
.s-order > div { flex: 1 1 auto; min-width: 0; }
.s-order-side { flex: 0 0 320px; border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.s-order-table { width: 100%; border-collapse: collapse; }
.s-order-table th {
  text-align: left;
  font-size: 13px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding: 8px 10px 8px 0;
}
.s-order-table td { border-bottom: 1px solid var(--line); padding: 12px 10px 12px 0; }
.s-order-table tfoot td { border-bottom: none; padding-top: 14px; }

/* ---------- юридические страницы ---------- */
.s-legal { max-width: 760px; }
.s-legal p { margin: 10px 0; }
.s-legal ul { padding-left: 22px; }
.s-legal li { margin-bottom: 5px; }
.s-legal .s-specs { margin: 12px 0; }

/* ---------- подвал ---------- */
.s-foot { margin-top: 50px; border-top: 1px solid var(--line); background: var(--bg); padding: 26px 0; }
.s-foot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; font-size: 14px; }
.s-foot-title { font-weight: 700; margin-bottom: 8px; }
.s-foot a { display: block; color: var(--ink); text-decoration: none; margin-bottom: 4px; }
.s-foot a:hover { color: var(--green-dark); }

/* ================= телефон и планшет ================= */
@media (max-width: 900px) {
  .s-grid, .s-sections { grid-template-columns: repeat(2, 1fr); }
  .s-layout { flex-direction: column; }
  .s-side {
    flex: 1 1 auto;
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 4px 14px 10px;
  }
  .s-side > summary.s-side-title { margin: 10px 0; }
  .s-product { flex-direction: column; }
  .s-product-photo { flex: 1 1 auto; width: 100%; min-height: 240px; }
  .s-checkout, .s-order { flex-direction: column; }
  .s-checkout-sum, .s-order-side { flex: 1 1 auto; width: 100%; }
  .s-foot-grid { grid-template-columns: 1fr; }
  .s-top-row { flex-wrap: wrap; }
  .s-search { order: 3; flex-basis: 100%; }
  .s-nav { overflow-x: auto; white-space: nowrap; }
}

@media (max-width: 640px) {
  body { font-size: 14.5px; }
  .s-hero { padding: 22px; }
  .s-hero h1 { font-size: 23px; }
  .s-h1 { font-size: 21px; }
  .s-grid, .s-sections { grid-template-columns: 1fr 1fr; gap: 12px; }
  .s-card-photo { height: 130px; }
  .s-phone { display: none; }

  /* корзина карточками: пять колонок на 375 пикселях не живут */
  .s-cart-row { grid-template-columns: 64px 1fr; grid-template-areas:
      "photo name" "qty sum"; row-gap: 10px; }
  .s-cart-photo { grid-area: photo; height: 60px; }
  .s-cart-name { grid-area: name; }
  .s-cart-price { display: none; }
  .s-cart-qty { grid-area: qty; }
  .s-cart-sum { grid-area: sum; }
  .s-cart-foot { flex-direction: column; align-items: stretch; gap: 12px; }
  .s-cart-total { text-align: left; }
}