:root {
  color-scheme: dark;
  --page: #0b0b0a;
  --surface: #121311;
  --text: #f0ede6;
  --muted: #aaa49c;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #a4bdb2;
  --gold: #c9a96a;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(
      900px 500px at 85% -10%,
      rgba(164, 189, 178, 0.12),
      transparent 70%
    ),
    var(--page);
  color: var(--text);
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  color: #cfe0d7;
}
a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
  border-radius: 3px;
}

.shell {
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(11, 11, 10, 0.84);
  backdrop-filter: blur(18px);
}

.site-header__inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.17em;
}

.brand-mark {
  width: 19px;
  height: 19px;
  object-fit: contain;
}

.back-link {
  font-size: 14px;
}

main {
  padding: 88px 0 104px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(42px, 7vw, 70px);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.lede {
  margin: 26px 0 0;
  max-width: 68ch;
  color: #d3cec4;
  font-size: 18px;
  line-height: 1.65;
}

.updated {
  margin: 16px 0 0;
  color: #857f77;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
}

.content {
  margin-top: 58px;
  display: grid;
  gap: 18px;
}

.card {
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(
    155deg,
    rgba(255, 255, 255, 0.055),
    rgba(255, 255, 255, 0.018)
  );
}

h2 {
  margin: 0 0 16px;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.025em;
}

h3 {
  margin: 24px 0 8px;
  font-size: 16px;
  font-weight: 600;
}

p,
li,
address {
  color: #beb8ae;
  font-size: 15px;
  line-height: 1.75;
}

p {
  margin: 0 0 14px;
}
p:last-child {
  margin-bottom: 0;
}
ul {
  margin: 0;
  padding-left: 20px;
}
li + li {
  margin-top: 8px;
}
address {
  font-style: normal;
}

.boundary {
  border-left: 2px solid var(--gold);
  padding-left: 18px;
  color: #d8d2c8;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 30px 0 42px;
  color: #7f7972;
  font-size: 12.5px;
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.site-footer nav {
  display: flex;
  gap: 18px;
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 32px, 920px);
  }
  main {
    padding: 64px 0 80px;
  }
  .site-header__inner {
    min-height: 66px;
  }
  .back-link {
    font-size: 13px;
  }
  .lede {
    font-size: 16px;
  }
  .content {
    margin-top: 42px;
  }
}

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