:root {
  --yellow: #f8cf37;
  --yellow-btn: #fcd63f;
  --yellow-dark: #c39f13;
  --red: #d02d00;
  --red-hover: #d46d50;
  --dark: #0b2633;
  --ink: #333;
  --muted: #888;
  --line: #dddddd;
  --bg: #f6f6f6;
  --panel: #f1f1ee;
  --white: #fff;
  --shadow: 0 15px 15px rgba(0, 0, 0, 0.08);
  --font: "Roboto", "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.45;
  font-size: 15px;
}

a {
  color: var(--dark);
  text-decoration: none;
}

a:hover {
  color: var(--red);
}

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin-inline: auto;
}

/* Top bar */
.topbar {
  background: var(--dark);
  color: #d7d7d7;
  font-size: 13px;
}

.topbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  padding: 8px 0;
}

.topbar__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
}

.topbar__nav a {
  color: #d7d7d7;
}

.topbar__nav a:hover,
.topbar__nav a.is-active {
  color: var(--yellow);
}

.topbar__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
}

.topbar__phones a {
  color: #fff;
  font-weight: 500;
  white-space: nowrap;
}

.btn-callback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 14px;
  background: var(--red);
  color: #fff !important;
  border: 0;
  border-radius: 2px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  box-shadow: 2px 3px 7px 1px #c7d9e1;
  transition: background 0.2s;
}

.btn-callback:hover {
  background: var(--red-hover);
}

/* Header */
.header {
  background: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 40;
}

.header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px 24px;
  align-items: center;
  padding: 12px 0;
}

.logo {
  display: block;
  line-height: 0;
}

.logo img {
  height: 56px;
  width: auto;
}

.header__search {
  display: flex;
  max-width: 520px;
  width: 100%;
  margin-inline: auto;
}

.header__search input {
  flex: 1;
  border: 1px solid var(--line);
  border-right: 0;
  padding: 10px 14px;
  font: inherit;
  outline: none;
}

.header__search button {
  background: var(--dark);
  color: #fff;
  border: 0;
  padding: 0 18px;
  cursor: pointer;
  font: inherit;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-catalog {
  background: var(--yellow-btn);
  color: var(--yellow-dark);
  border: 0;
  padding: 11px 16px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 0 20px 2px var(--panel);
}

.btn-catalog:hover {
  background: var(--yellow);
}

.cart-link {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-size: 13px;
  color: var(--muted);
  min-width: 90px;
}

.cart-link strong {
  color: var(--ink);
  font-size: 14px;
}

.burger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  padding: 10px;
}

.burger span {
  display: block;
  height: 2px;
  background: var(--dark);
  margin: 5px 0;
}

/* Promo strip */
.promo-strip {
  background: linear-gradient(90deg, #fff8d6, #ffe9a8);
  border-bottom: 1px solid #f0e2a8;
  color: #7a5b00;
  text-align: center;
  padding: 8px 16px;
  font-size: 14px;
}

.promo-strip a {
  color: var(--red);
  font-weight: 600;
  margin-left: 6px;
}

/* Layout */
.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  padding: 24px 0 48px;
  align-items: start;
}

.sidebar {
  background: var(--white);
  border: 1px solid var(--line);
}

.sidebar__title {
  background: var(--yellow-btn);
  color: var(--yellow-dark);
  margin: 0;
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 700;
}

.cat-list > li {
  border-top: 1px solid var(--line);
}

.cat-list > li > a {
  display: block;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
}

.cat-list > li > a:hover,
.cat-list > li > a.is-active {
  background: var(--panel);
  color: var(--red);
}

.cat-list .sub {
  display: none;
  background: #fafafa;
  padding: 4px 0 8px;
}

.cat-list > li.is-open .sub {
  display: block;
}

.cat-list .sub a {
  display: block;
  padding: 6px 16px 6px 28px;
  font-size: 13px;
  color: #555;
}

.content-panel {
  min-width: 0;
}

.page-title {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 700;
  color: var(--dark);
}

.page-lead {
  margin: 0 0 24px;
  color: var(--muted);
  max-width: 60ch;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 8px 0 16px;
}

.section-head h2 {
  margin: 0;
  font-size: 22px;
  color: var(--dark);
}

.section-head a {
  color: var(--red);
  font-size: 14px;
  font-weight: 500;
}

/* Product grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: box-shadow 0.2s, transform 0.2s;
}

.product-card:hover {
  box-shadow: 0 8px 24px rgba(11, 38, 51, 0.12);
  transform: translateY(-2px);
}

.product-card__badge {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 1;
  background: var(--red);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 8px;
}

.product-card__media {
  aspect-ratio: 1;
  background: linear-gradient(160deg, #f0f4f6, #e4ebef);
  display: grid;
  place-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.product-card__media span {
  font-size: 13px;
  font-weight: 700;
  color: var(--dark);
  text-align: center;
  opacity: 0.55;
  letter-spacing: 0.02em;
}

.product-card__brand {
  margin: 10px 12px 0;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.product-card__title {
  margin: 6px 12px 0;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.35;
  flex: 1;
}

.product-card__title a {
  color: inherit;
}

.product-card__price {
  margin: 12px 12px 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
}

.product-card__price span {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
}

.product-card__nav {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 6px;
  padding: 12px;
  align-items: stretch;
}

.product-card__nav input {
  width: 100%;
  border: 1px solid var(--line);
  text-align: center;
  font: inherit;
  padding: 8px 4px;
}

.buy-btn {
  background-image: linear-gradient(to bottom, #d46d50 0%, #d02d00 100%);
  color: #fff;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 6px;
  transition: 0.2s;
}

.buy-btn:hover {
  background-image: linear-gradient(to bottom, #d02d00 0%, #d46d50 100%);
}

.one-click {
  grid-column: 1 / -1;
  display: block;
  text-align: center;
  background: var(--panel);
  color: var(--red);
  padding: 8px;
  font-size: 13px;
  font-weight: 600;
}

.one-click:hover {
  background: #e8e8e2;
  color: var(--red);
}

.product-card__stock {
  padding: 0 12px 12px;
  font-size: 12px;
  color: #2a7a3a;
}

/* Reviews */
.reviews {
  display: grid;
  gap: 14px;
  margin-top: 8px;
}

.review {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 16px 18px;
}

.review__head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.review__name {
  font-weight: 700;
  color: var(--dark);
}

.review__date {
  color: var(--muted);
  font-size: 13px;
}

.review__reply {
  margin-top: 12px;
  padding: 12px;
  background: var(--panel);
  border-left: 3px solid var(--yellow);
  font-size: 14px;
  color: #444;
}

/* Brands */
.brands {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.brand-chip {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 8px 12px;
  font-size: 13px;
  color: #555;
}

/* Static pages */
.prose {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 24px 28px;
}

.prose h2 {
  margin: 28px 0 10px;
  font-size: 20px;
  color: var(--dark);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p,
.prose li {
  color: #444;
}

.prose ul {
  list-style: disc;
  padding-left: 1.2em;
  margin: 0 0 12px;
}

.prose li {
  margin: 6px 0;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 20px 0;
}

.info-card {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 18px;
}

.info-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--dark);
}

.info-card p {
  margin: 0;
  color: #555;
  font-size: 14px;
}

.contact-block {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
}

.contact-list {
  display: grid;
  gap: 12px;
}

.contact-list dt {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.contact-list dd {
  margin: 2px 0 0;
  font-size: 16px;
  font-weight: 600;
}

.contact-list a {
  color: var(--red);
}

.map-placeholder {
  min-height: 280px;
  background:
    linear-gradient(135deg, rgba(11, 38, 51, 0.08), rgba(208, 45, 0, 0.08)),
    repeating-linear-gradient(
      90deg,
      #e8eef1 0,
      #e8eef1 1px,
      transparent 1px,
      transparent 40px
    ),
    repeating-linear-gradient(
      0deg,
      #e8eef1 0,
      #e8eef1 1px,
      transparent 1px,
      transparent 40px
    ),
    #f3f7f9;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 24px;
  color: var(--dark);
}

.map-placeholder strong {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
}

/* Forms */
.form {
  display: grid;
  gap: 12px;
  max-width: 420px;
}

.form label {
  display: grid;
  gap: 4px;
  font-size: 13px;
  color: #555;
}

.form input,
.form textarea,
.form select {
  border: 1px solid var(--line);
  padding: 10px 12px;
  font: inherit;
  background: #fff;
}

.form textarea {
  min-height: 100px;
  resize: vertical;
}

.form-note {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}

/* Footer */
.footer {
  background: var(--dark);
  color: #c7d9e1;
  padding: 36px 0 24px;
  margin-top: 24px;
}

.footer a {
  color: #c7d9e1;
}

.footer a:hover {
  color: var(--yellow);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__brand .logo {
  align-self: flex-start;
}

.footer__brand p {
  margin: 0;
  font-size: 14px;
  max-width: 36ch;
  opacity: 0.9;
}

.footer h4 {
  margin: 0 0 12px;
  color: #fff;
  font-size: 15px;
}

.footer__links {
  display: grid;
  gap: 8px;
  font-size: 14px;
}

.footer__bottom {
  padding-top: 18px;
  font-size: 12px;
  opacity: 0.75;
  display: grid;
  gap: 8px;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(11, 38, 51, 0.55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
}

.modal.is-open {
  display: flex;
}

.modal__box {
  background: #fff;
  width: min(420px, 100%);
  padding: 24px;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.modal__box h3 {
  margin: 0 0 16px;
  font-size: 20px;
}

.modal__close {
  position: absolute;
  top: 10px;
  right: 12px;
  border: 0;
  background: transparent;
  font-size: 24px;
  cursor: pointer;
  color: var(--muted);
  line-height: 1;
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--dark);
  color: #fff;
  padding: 12px 18px;
  border-left: 4px solid var(--yellow);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transform: translateY(120%);
  opacity: 0;
  transition: 0.3s ease;
  z-index: 120;
  font-size: 14px;
}

.toast.is-show {
  transform: translateY(0);
  opacity: 1;
}

.catalog-only {
  display: none;
}

body.nav-open .catalog-only {
  display: block;
}

@media (max-width: 1100px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  body.catalog-open .sidebar {
    display: block;
  }

  .header__inner {
    grid-template-columns: auto 1fr auto;
  }

  .header__search {
    grid-column: 1 / -1;
    order: 3;
    max-width: none;
  }

  .burger {
    display: inline-block;
  }

  .topbar__nav {
    display: none;
  }

  body.nav-open .topbar__nav.catalog-only {
    display: flex;
    width: 100%;
    padding: 8px 0 4px;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__grid,
  .contact-block,
  .info-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .product-grid {
    grid-template-columns: 1fr;
  }

  .logo img {
    height: 44px;
  }

  .header__actions .btn-catalog {
    display: none;
  }

  body.catalog-open .header__actions .btn-catalog {
    display: inline-block;
  }
}