:root {
  --ink: #101112;
  --paper: #f7f7f2;
  --panel: #ffffff;
  --silver: #d9ddd8;
  --blue: #183a59;
  --accent: #a84c2a;
  --muted: #69706d;
  --line: rgba(16, 17, 18, 0.14);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, Arial, sans-serif;
}
a { color: inherit; text-decoration: none; }
.nav {
  position: sticky;
  top: 0;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px clamp(18px, 4vw, 58px);
  background: rgba(247,247,242,0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.brand { font-weight: 900; letter-spacing: 0.16em; font-size: 13px; }
nav { display: flex; gap: 18px; color: var(--muted); font-size: 13px; font-weight: 800; }
.cta, .big-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 6px;
  background: var(--blue);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 81px);
  padding: clamp(42px, 7vw, 90px) clamp(18px, 5vw, 70px);
  background:
    linear-gradient(120deg, rgba(24,58,89,0.09), transparent 46%),
    radial-gradient(circle at 82% 22%, rgba(168,76,42,0.14), transparent 26%);
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
h1, h2 {
  margin: 0;
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
  line-height: 0.95;
}
h1 { max-width: 920px; font-size: clamp(58px, 10vw, 132px); }
h2 { font-size: clamp(42px, 6vw, 86px); }
.copy p:not(.eyebrow), .offer-copy + .offer-list, .checkout p {
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.62;
}
.checkout-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,0.86);
  box-shadow: 0 32px 90px rgba(24, 58, 89, 0.18);
}
.bag-head, .bag-line, .total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.bag-head span { color: var(--muted); font-size: 12px; font-weight: 900; text-transform: uppercase; }
.bag-line span { color: var(--muted); }
.total strong { font-size: 30px; }
button {
  width: 100%;
  min-height: 54px;
  margin-top: 18px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-weight: 900;
  font-size: 15px;
}
.shop, .checkout, .offer { padding: clamp(54px, 7vw, 92px) clamp(18px, 5vw, 70px); }
.section-head {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  gap: 30px;
  margin-bottom: 30px;
}
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.cards article {
  padding: 14px 14px 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
.cards img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 6px;
}
.cards h3 { margin: 16px 0 6px; font-size: 22px; }
.cards p { margin: 0 0 12px; color: var(--muted); }
.cards strong { font-size: 22px; }
.checkout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  background: var(--ink);
  color: #fff;
}
.checkout .eyebrow { color: #d9916f; }
.flow {
  display: grid;
  gap: 12px;
}
.flow div {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 6px 14px;
  padding: 18px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
}
.flow span {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font-weight: 900;
}
.flow b { font-size: 20px; }
.flow p { margin: 0; color: #c8ccca; font-size: 15px; }
.offer {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: end;
}
.offer-list {
  display: grid;
  gap: 10px;
}
.offer-list p {
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font-weight: 800;
}
.big-link { grid-column: 1 / -1; min-height: 58px; font-size: 15px; }
@media (max-width: 900px) {
  nav { display: none; }
  .hero, .section-head, .checkout, .offer { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
}