:root {
  color-scheme: light;
  --ink: #22170f;
  --muted: #735d4d;
  --paper: #fff6e9;
  --cream: #f3dfc2;
  --orange: #d86424;
  --orange-dark: #9e3915;
  --charcoal: #281d17;
  --line: rgba(47, 29, 17, .18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: inherit; }

.site-header { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 14px clamp(22px, 5vw, 80px); border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; font-weight: 900; letter-spacing: .04em; }
.brand img { width: 35px; height: 35px; object-fit: cover; border-radius: 3px; }
.brand small { color: var(--orange); font-size: .72rem; padding: 3px 7px; border: 1px solid currentColor; }
nav { display: flex; gap: 24px; }
nav a, .header-link { color: var(--muted); font-size: .9rem; font-weight: 700; text-decoration: none; }
.header-link { color: var(--ink); }

.hero { min-height: calc(100svh - 77px); display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); align-items: center; gap: 70px; padding: clamp(64px, 10vw, 150px) clamp(22px, 10vw, 180px) clamp(54px, 7vw, 110px); background: radial-gradient(circle at 86% 36%, #f7c58a 0 14%, transparent 14.5%), var(--paper); }
.eyebrow { color: var(--orange-dark); margin: 0 0 15px; font-size: .75rem; font-weight: 900; letter-spacing: .12em; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 760px; margin-bottom: 24px; font-size: clamp(3rem, 7vw, 6.8rem); line-height: .96; letter-spacing: 0; }
h2 { margin-bottom: 0; font-size: clamp(2rem, 3.5vw, 3.8rem); line-height: 1.02; }
.hero-lede { max-width: 610px; color: var(--muted); font-size: clamp(1.08rem, 1.8vw, 1.4rem); line-height: 1.55; }
.hero-actions, .start-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 19px; border: 1px solid var(--ink); font-weight: 850; text-decoration: none; }
.button-primary { border-color: var(--orange); background: var(--orange); color: #fffdf8; }
.button-primary:hover { background: var(--orange-dark); }
.button-secondary { background: transparent; }
.notice { margin: 20px 0 0; color: var(--muted); font-size: .84rem; }
.hero-mark { display: grid; justify-items: center; gap: 18px; }
.mark-frame { width: min(28vw, 340px); aspect-ratio: 1; padding: 16px; background: var(--charcoal); box-shadow: 18px 18px 0 var(--orange); }
.mark-frame img { width: 100%; height: 100%; object-fit: cover; }
.mark-label { padding: 6px 10px; background: var(--cream); color: var(--orange-dark); font-size: .75rem; font-weight: 900; letter-spacing: .12em; }

.network-band, .ecosystem, .start-band { padding: clamp(55px, 8vw, 115px) clamp(22px, 10vw, 180px); }
.network-band { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; background: var(--charcoal); color: #fff7e9; }
.network-band .eyebrow { color: #f4a761; }
.network-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; border-top: 1px solid rgba(255,255,255,.25); }
.network-facts div { min-height: 112px; padding: 22px 0; border-bottom: 1px solid rgba(255,255,255,.25); }
.network-facts dt { color: #d7c4b1; font-size: .8rem; font-weight: 700; }
.network-facts dd { margin: 8px 0 0; font-size: 1.3rem; font-weight: 850; }
.section-heading { max-width: 700px; }
.link-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: 48px; background: var(--line); border: 1px solid var(--line); }
.product-link { min-height: 285px; display: flex; flex-direction: column; padding: 26px; background: var(--paper); text-decoration: none; transition: background .18s ease, color .18s ease; }
.product-link:hover { background: var(--orange); color: white; }
.product-link > span { color: var(--orange-dark); font-weight: 900; }
.product-link:hover > span { color: #fff0dc; }
.product-link h3 { margin: auto 0 12px; font-size: 1.55rem; }
.product-link p { color: var(--muted); line-height: 1.5; }
.product-link:hover p { color: #fff4e6; }
.product-link b { font-size: .85rem; }
.start-band { background: var(--cream); }
.start-band h2 { max-width: 850px; }
.text-link { align-self: center; color: var(--orange-dark); font-weight: 800; }
footer { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 18px; padding: 23px clamp(22px, 5vw, 80px); background: var(--orange-dark); color: #fff5e9; font-size: .82rem; font-weight: 700; }
footer span:first-child { margin-right: auto; }

@media (max-width: 760px) {
  .site-header { min-height: 64px; }
  nav { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 48px; padding-top: 68px; }
  .hero-mark { justify-items: start; }
  .mark-frame { width: min(68vw, 300px); }
  .network-band { grid-template-columns: 1fr; gap: 34px; }
  .link-grid { grid-template-columns: 1fr; }
  .product-link { min-height: 210px; }
  footer { justify-content: flex-start; }
  footer span:first-child { width: 100%; }
}