:root {
  color-scheme: light;
  --ink: #111111;
  --muted: #6d6d6d;
  --line: #e8e8e8;
  --paper: #ffffff;
  --soft: #f6f5f3;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

body {
  min-height: 100vh;
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

header {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

main {
  padding: 72px 0 88px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: 72px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(44px, 7vw, 82px);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.lead {
  margin: 26px 0 0;
  max-width: 650px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.6;
}

.card {
  margin-top: 34px;
  padding: 22px 24px;
  background: var(--soft);
  border-radius: 18px;
  font-size: 15px;
  line-height: 1.55;
}

.product-image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

footer {
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 760px) {
  .shell { width: min(100% - 28px, 1120px); }
  main { padding: 48px 0 64px; }
  .hero { grid-template-columns: 1fr; gap: 36px; }
  .product-image { max-width: 520px; margin: 0 auto; }
}