:root {
  --paper: #f6f4ef;
  --paper-2: #efece4;
  --ink: #1a1814;
  --ink-2: #3a342c;
  --green: #0c3d32;
  --live-bg: #e7f2ec;
  --live-ink: #143026;
  --test-bg: #f4ead6;
  --test-ink: #3d2a08;
  --line: #c9c2b6;
  --sans: "Source Sans 3", "Segoe UI", sans-serif;
  --serif: "Newsreader", Georgia, serif;
  --max: 1080px;
  --gutter: clamp(20px, 4vw, 40px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 18px/1.6 var(--sans);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green); }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--green); outline-offset: 3px; }
.skip {
  position: absolute;
  left: 12px;
  top: 12px;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 14px;
  z-index: 10;
  transform: translateY(-160%);
}
.skip:focus { transform: none; }

.wrap { width: min(var(--max), calc(100% - var(--gutter) * 2)); margin-inline: auto; }
.nav-wrap, .hero, section, footer { border-bottom: 1px solid var(--line); }
.nav-wrap { position: sticky; top: 0; z-index: 5; background: var(--paper); }
.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 72px;
  flex-wrap: wrap;
  padding: 10px 0;
}
.brand { color: var(--ink); text-decoration: none; font-weight: 700; font-size: 18px; letter-spacing: -0.02em; }
.brand span { color: var(--green); font-weight: 600; }
.nav ul { display: flex; gap: 8px 18px; list-style: none; margin: 0; padding: 0; margin-left: auto; flex-wrap: wrap; }
.nav a { color: var(--ink); text-underline-offset: 4px; min-height: 44px; display: inline-flex; align-items: center; }

.hero { padding: clamp(48px, 8vw, 88px) 0; }
.kicker {
  margin: 0 0 12px;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
  font-weight: 600;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.03em; line-height: 1.15; color: var(--ink); }
h1 { font-size: clamp(40px, 6vw, 68px); margin: 0 0 18px; max-width: 16ch; }
h2 { font-size: clamp(32px, 4vw, 44px); margin: 0 0 12px; }
h3 { font-size: 28px; margin: 0; }
.lede { font-size: 21px; max-width: 62ch; margin: 0 0 28px; color: var(--ink); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.btn, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 10px 18px;
  text-decoration: none;
  font-weight: 700;
  border-radius: 8px;
}
.btn { background: var(--ink); color: var(--paper); }
.btn:hover { background: var(--green); color: var(--paper); }
.btn-ghost { background: transparent; color: var(--ink); border: 2px solid var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 48px;
}
.facts div { background: var(--paper); padding: 18px 16px; }
.facts strong { display: block; font-family: var(--serif); font-size: 28px; line-height: 1.1; }
.facts span { display: block; margin-top: 6px; color: var(--ink-2); font-size: 15px; }

section { padding: clamp(56px, 8vw, 88px) 0; scroll-margin-top: 88px; }
.section-intro { max-width: 68ch; margin-bottom: 36px; color: var(--ink); }

.product {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  padding: 36px 0;
  border-top: 1px solid var(--line);
}
.product:first-of-type { border-top: 0; padding-top: 0; }
.product-id { display: flex; gap: 14px; align-items: center; margin-bottom: 12px; }
.product-id img { width: 56px; height: 56px; border-radius: 12px; border: 1px solid var(--line); }
.meta { margin: 4px 0 0; color: var(--ink-2); font-size: 15px; }
.badge {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
}
.badge.live { background: var(--live-bg); color: var(--live-ink); }
.badge.test { background: var(--test-bg); color: var(--test-ink); }
.product p { margin: 0 0 14px; max-width: 62ch; }
.proof { color: var(--ink-2); font-size: 16px; }
.shot {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px;
  margin: 0;
}
.shot img { width: min(100%, 280px); margin-inline: auto; border-radius: 16px; }
.shot figcaption { margin-top: 10px; font-size: 14px; color: var(--ink-2); text-align: center; }

.next-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.card {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
}
.card p { margin: 10px 0 0; }
.card .when { margin: 0 0 8px; font-size: 14px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); }

.studio { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 32px; }
.studio dl { margin: 0; }
.studio dt { font-weight: 700; margin-top: 14px; }
.studio dd { margin: 2px 0 0; color: var(--ink-2); }

footer { border-bottom: 0; padding: 28px 0 48px; color: var(--ink-2); }
.foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.foot a { color: var(--ink); }

@media (max-width: 800px) {
  .facts, .product, .next-grid, .studio { grid-template-columns: 1fr; }
  .nav ul { margin-left: 0; width: 100%; }
  h1 { max-width: none; }
  .shot img { width: min(100%, 320px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}