:root {
  --ink: #15181d;
  --muted: #66707d;
  --paper: #f4f6f7;
  --white: #ffffff;
  --line: #dce2e8;
  --gold: #c69a3a;
  --dark: #0e1217;
  --steel: #303b45;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
  padding: 14px max(28px, calc((100vw - 1360px) / 2 + 28px));
  color: var(--white);
  background: rgba(14, 18, 23, .96);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.brand strong,
.brand span { display: block; }
.brand span {
  margin-top: 4px;
  color: #c6ced6;
  font-size: 13px;
}
nav {
  display: flex;
  gap: 18px;
  color: #e8edf2;
  font-size: 14px;
  white-space: nowrap;
}

.hero {
  background: var(--dark);
}
.hero img {
  width: 100%;
  min-height: calc(100vh - 74px);
  object-fit: cover;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}
.trust-strip div {
  padding: 26px 34px;
  background: var(--white);
}
.trust-strip strong,
.trust-strip span { display: block; }
.trust-strip span {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.45;
}

.section,
.packaging-section {
  padding: 82px max(32px, calc((100vw - 1320px) / 2 + 32px));
}
.section-heading {
  max-width: 820px;
  margin-bottom: 38px;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
h1,
h2,
h3 {
  margin: 0;
  line-height: 1.06;
  letter-spacing: 0;
}
h1 { font-size: 52px; }
h2 { font-size: 40px; }
.section-heading p:not(.eyebrow),
.feature-band p,
.quote-section p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.wide-image {
  width: 100%;
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #101418;
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(520px, 1fr);
  gap: 42px;
  align-items: center;
  padding: 82px max(34px, calc((100vw - 1360px) / 2 + 34px));
  color: var(--white);
  background: linear-gradient(135deg, #101821 0%, #0e1217 64%, #1b1f23 100%);
}
.feature-band p:not(.eyebrow) {
  max-width: 620px;
  color: #cbd3dc;
}
.detail-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.detail-list article {
  min-height: 160px;
  padding: 22px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 7px;
}
.detail-list span {
  display: block;
  color: var(--gold);
  font-weight: 900;
  margin-bottom: 14px;
}
.detail-list strong {
  display: block;
  color: var(--white);
  font-size: 22px;
}
.detail-list p {
  margin-top: 10px;
  color: #cbd3dc;
  line-height: 1.45;
}

.detail-visual {
  background: #eef1f4;
}
.detail-image-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 18px;
}
.detail-image-grid img {
  width: 100%;
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #101418;
}
.sizes-section {
  background: var(--white);
}
.size-layout {
  display: grid;
  grid-template-columns: minmax(300px, .42fr) minmax(0, 1fr);
  gap: 28px;
  align-items: stretch;
}
.size-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 560px;
  padding: 38px;
  background: #101418;
  border-radius: 8px;
}
.size-visual img {
  max-height: 440px;
  object-fit: contain;
  filter: drop-shadow(0 26px 30px rgba(0,0,0,.38));
}
.spec-table {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.spec-table dl { margin: 0; }
.spec-table dl div {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 18px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}
dt {
  color: var(--muted);
  font-weight: 800;
}
dd {
  margin: 0;
  font-weight: 900;
}
.dimension-table {
  overflow-x: auto;
  padding: 0 22px 22px;
}
.dimension-table table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
  font-size: 13px;
}
.dimension-table th,
.dimension-table td {
  padding: 12px 10px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}
.dimension-table th {
  color: var(--white);
  background: var(--steel);
  font-weight: 900;
}
.dimension-table td {
  color: var(--ink);
  background: #fafbfc;
  font-weight: 700;
}

.quote-section {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(360px, .55fr);
  gap: 38px;
  align-items: center;
  padding: 76px max(34px, calc((100vw - 1320px) / 2 + 34px));
  color: var(--white);
  background: #101418;
}
.quote-section p:not(.eyebrow) {
  color: #cbd3dc;
}
.quote-box {
  padding: 28px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 8px;
}
.quote-box strong {
  color: var(--gold);
  font-size: 22px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px max(32px, calc((100vw - 1320px) / 2 + 32px));
  color: #cbd3dc;
  background: #090b0e;
}
footer strong { color: var(--white); }

@media (max-width: 1100px) {
  .feature-band,
  .size-layout,
  .quote-section {
    grid-template-columns: 1fr;
  }
  .trust-strip,
  .detail-list,
  .detail-image-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .topbar {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }
  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .hero img {
    min-height: 680px;
    object-position: 58% center;
  }
  .section,
  .feature-band,
  .packaging-section,
  .quote-section {
    padding: 58px 20px;
  }
  h1 { font-size: 38px; }
  h2 { font-size: 32px; }
  .trust-strip,
  .detail-list,
  .detail-image-grid {
    grid-template-columns: 1fr;
  }
  .spec-table dl div { grid-template-columns: 1fr; gap: 6px; }
  footer { flex-direction: column; }
}