:root {
  --blue: #075ac8;
  --blue-dark: #064795;
  --dark: #17202d;
  --line: #d9dee7;
  --light: #f4f6f9;
  --text: #18202c;
  --muted: #5c6675;
  --shadow: 0 5px 18px rgba(20, 35, 55, 0.07);
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--light);
  color: var(--text);
  font: 16px Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.45;
}
.wrap {
  width: min(1180px, calc(100% - 32px));
  margin: auto;
}
a {
  color: var(--blue);
}
button,
input,
select,
textarea {
  font: inherit;
}
.top {
  background: var(--dark);
  color: #fff;
  font-size: 14px;
}
.top .wrap {
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.top a {
  color: #fff;
}
header {
  background: #fff;
  box-shadow: 0 1px 0 rgba(24, 32, 44, 0.08);
}
.head {
  min-height: 82px;
  display: grid;
  grid-template-columns: 220px 1fr 110px;
  align-items: center;
  gap: 28px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #111;
  text-decoration: none;
  font-weight: bold;
}
.brand-logo {
  width: 58px;
  height: 58px;
  object-fit: contain;
  flex: 0 0 auto;
}
.brand b {
  background: var(--blue);
  color: #fff;
  padding: 11px 15px;
  border-radius: 8px;
  font-size: 22px;
}
.search {
  display: flex;
  border: 1px solid #aeb7c4;
  border-radius: 7px;
  overflow: hidden;
  background: #fff;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.search:focus-within {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(7, 90, 200, .12);
}
.search input {
  border: 0;
  width: 100%;
  padding: 12px;
}
.search button {
  border: 0;
  background: var(--blue);
  color: #fff;
  padding: 0 22px;
  font-weight: bold;
  cursor: pointer;
}
.basket {
  border: 1px solid #c6ccd5;
  background: #fff;
  padding: 11px;
  border-radius: 7px;
  cursor: pointer;
}
.basket b {
  background: #ffd800;
  padding: 4px 8px;
  margin-left: 5px;
}
nav {
  background: #fff;
  border-top: 1px solid #e5e8ed;
  border-bottom: 1px solid #dfe3e9;
}
nav .wrap {
  display: flex;
}
nav a {
  color: #222;
  text-decoration: none;
  font-weight: bold;
  font-size: 14px;
  padding: 14px 18px 12px;
  border-bottom: 3px solid transparent;
}
nav a.current,
nav a:hover {
  background: #f4f7fb;
  color: var(--blue);
  border-bottom-color: var(--blue);
}
.trust-strip {
  background: #eef4fc;
  border-bottom: 1px solid #d6e2f2;
}
.trust-strip .wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 11px 0;
  color: #32445c;
  font-size: 14px;
  text-align: center;
}
.trust-strip b { color: #15345d; }
.page-title {
  background: #fff;
  padding: 22px;
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.page-title p {
  font-size: 13px;
  color: #666;
  margin: 0 0 12px;
}
.page-title h1 {
  font-size: 28px;
  margin: 0;
}
.advert-grid {
  display: grid;
  grid-template-columns: 1.65fr 1fr;
  gap: 14px;
  margin-top: 16px;
}
.advert {
  background: #fff;
  border: 1px solid var(--line);
  color: #111;
  text-decoration: none;
  overflow: hidden;
  border-radius: 9px;
  box-shadow: var(--shadow);
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.advert:hover { border-color: #a8b7ca; transform: translateY(-2px); box-shadow: 0 9px 24px rgba(20,35,55,.1); }
.advert-main {
  min-height: 330px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  padding: 28px;
}
.advert-main img {
  width: 100%;
  height: 280px;
  object-fit: contain;
}
.advert span {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
.advert span b {
  font-size: 25px;
}
.advert span small {
  color: #555;
  font-size: 15px;
}
.advert span strong {
  background: var(--blue);
  color: #fff;
  padding: 11px 16px;
  font-size: 14px;
  border-radius: 5px;
}
.advert-side {
  display: grid;
  grid-template-rows: 1fr auto;
}
.advert-side img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}
.advert-side span {
  padding: 18px;
}
.advert-side span b {
  font-size: 20px;
}
.service-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: #fff;
  border: 1px solid var(--line);
  border-top: 0;
}
.service-strip div {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.service-strip div + div {
  border-left: 1px solid var(--line);
}
.service-strip span {
  font-size: 14px;
  color: #555;
}
.products-section {
  background: #fff;
  border: 1px solid var(--line);
  margin-top: 16px;
  padding: 22px;
  border-radius: 9px;
  box-shadow: var(--shadow);
}
.section-head,
.results {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
  margin-bottom: 16px;
}
.section-head h2 {
  font-size: 22px;
  margin: 0;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.product {
  border: 1px solid var(--line);
  background: #fff;
  padding: 15px;
  border-radius: 8px;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.product:hover { border-color: #aeb8c5; box-shadow: 0 8px 20px rgba(27,42,58,.1); transform: translateY(-2px); }
.product-photo {
  height: 265px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8f9fb;
  border-bottom: 1px solid #ddd;
}
.product-photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.label {
  font-size: 12px;
  font-weight: bold;
  color: #555;
  margin: 14px 0 6px;
}
.product h3 {
  font-size: 18px;
  line-height: 1.3;
  margin: 0;
}
.product h3 a {
  color: #222;
  text-decoration: none;
}
.product ul {
  padding-left: 20px;
  line-height: 1.7;
  color: #555;
  font-size: 14px;
  min-height: 76px;
}
.price {
  font-size: 22px;
  font-weight: bold;
  margin: 15px 0;
}
.view,
.detail-buy button,
.builder-form > button,
.contact-box button {
  display: block;
  text-align: center;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  border: 0;
  padding: 12px 18px;
  font-weight: bold;
  border-radius: 6px;
  cursor: pointer;
  transition: background .15s ease, transform .15s ease;
}
.view:hover,
.builder-form > button:hover,
.contact-box button:hover {
  background: var(--blue-dark);
}
.view:active,
.builder-form > button:active,
.contact-box button:active { transform: translateY(1px); }
}
.listing-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 16px;
  margin: 16px 0;
}
.filters,
.listing {
  background: #fff;
  border: 1px solid var(--line);
  padding: 18px;
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.filters h2 {
  font-size: 20px;
  margin-top: 0;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}
.filters b {
  display: block;
  margin: 18px 0 8px;
}
.filters label {
  display: block;
  padding: 6px 0;
  font-size: 14px;
}
.results select {
  padding: 8px;
}
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #fff;
  border: 1px solid var(--line);
  margin: 16px 0;
  border-radius: 9px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.detail-image {
  min-height: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--line);
  padding: 25px;
  flex-direction: column;
}
.detail-image img {
  width: 100%;
  height: 410px;
  object-fit: contain;
}
.detail-image small {
  color: #666;
  margin-top: 10px;
  text-align: center;
}
.detail-buy {
  padding: 32px;
}
.detail-buy h1 {
  font-size: 28px;
  margin: 8px 0;
}
.sku {
  font-size: 13px;
  color: #666;
}
.detail-buy button {
  width: 100%;
  background: #aaa;
  margin: 18px 0;
}
.detail-buy > a {
  display: block;
  text-align: center;
}
.specs {
  background: #fff;
  border: 1px solid var(--line);
  padding: 22px;
  margin-bottom: 18px;
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.specs h2 {
  font-size: 22px;
}
.specs dl {
  margin: 0;
}
.specs dl div {
  display: grid;
  grid-template-columns: 230px 1fr;
  border-top: 1px solid #ddd;
  padding: 12px;
}
.specs dt {
  font-weight: bold;
}
.specs dd {
  margin: 0;
}
.builder-form,
.contact-box {
  background: #fff;
  border: 1px solid var(--line);
  padding: 22px;
  margin: 16px 0;
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.builder-form {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.builder-form fieldset {
  border: 1px solid #bbb;
  padding: 18px;
}
.builder-form legend {
  font-weight: bold;
}
.builder-form label {
  display: block;
  padding: 8px 0;
}
.builder-form > button {
  grid-column: 1/-1;
  width: 260px;
}
.contact-box {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 40px;
}
.contact-box h2 {
  margin-top: 0;
}
.contact-box form {
  display: grid;
  gap: 15px;
}
.contact-box label {
  font-weight: bold;
}
.contact-box input,
.contact-box textarea {
  display: block;
  width: 100%;
  padding: 11px;
  border: 1px solid #aeb7c4;
  border-radius: 6px;
  margin-top: 6px;
}
.contact-box input:focus,
.contact-box textarea:focus {
  outline: 0;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(7, 90, 200, .12);
}
.hidden-field {
  position: absolute;
  left: -10000px;
}
#contact-status {
  min-height: 24px;
  margin: 0;
}
footer {
  background: var(--dark);
  color: #fff;
  margin-top: 28px;
  padding: 30px 0;
}
.footer {
  display: flex;
  justify-content: space-between;
}
.footer a {
  display: block;
  color: #fff;
  margin-bottom: 8px;
}
.footer p {
  color: #ccc;
}
.copy {
  border-top: 1px solid #555;
  margin-top: 20px;
  padding-top: 15px;
  font-size: 13px;
  color: #ccc;
}
@media (max-width: 750px) {
  .brand-logo {
    width: 48px;
    height: 48px;
  }
  .trust-strip .wrap {
    grid-template-columns: 1fr;
    gap: 4px;
    text-align: left;
  }
  .advert-grid,
  .advert-main {
    grid-template-columns: 1fr;
  }
  .advert-main {
    padding: 18px;
  }
  .advert-main img {
    height: 230px;
    grid-row: 1;
  }
  .advert-side img {
    height: 180px;
  }
  .head {
    grid-template-columns: 1fr 90px;
    height: auto;
    padding: 14px 0;
  }
  .search {
    grid-column: 1/-1;
    grid-row: 2;
  }
  .basket {
    grid-column: 2;
    grid-row: 1;
  }
  nav .wrap {
    overflow: auto;
    white-space: nowrap;
  }
  .service-strip,
  .product-grid,
  .listing-layout,
  .product-detail,
  .builder-form,
  .contact-box {
    grid-template-columns: 1fr;
  }
  .service-strip div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .filters {
    display: none;
  }
  .detail-image {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    min-height: 320px;
  }
  .detail-image img {
    height: 290px;
  }
  .specs dl div {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .builder-form > button {
    width: 100%;
  }
}