:root {
  color-scheme: light;
  --canvas: #f6f3ed;
  --paper: #fffdf8;
  --ink: #25211d;
  --muted: #6f675f;
  --line: #ded7ce;
  --accent: #f04b23;
  --accent-dark: #b62e12;
  --navy: #102a43;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.65;
}

a {
  color: var(--accent-dark);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent);
}

.shell {
  width: min(100% - 36px, 760px);
  margin: 0 auto;
  padding: 44px 0 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 44px;
  color: var(--ink);
  text-decoration: none;
}

.brand img {
  width: 54px;
  height: 54px;
  border-radius: 14px;
}

.brand-name {
  display: block;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-owner {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.2;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(36px, 8vw, 58px);
  letter-spacing: -0.05em;
}

h2 {
  margin: 42px 0 12px;
  font-size: 22px;
  letter-spacing: -0.025em;
}

h3 {
  margin: 24px 0 8px;
  font-size: 17px;
}

p,
li {
  color: var(--muted);
}

strong {
  color: var(--ink);
}

.lede {
  max-width: 650px;
  margin: 0;
  font-size: 19px;
}

.updated {
  margin: 12px 0 36px;
  color: var(--muted);
  font-size: 14px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 38px;
}

.card {
  min-height: 180px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  transition:
    transform 160ms ease,
    border-color 160ms ease;
}

.card:hover {
  border-color: var(--accent);
  color: var(--ink);
  transform: translateY(-3px);
}

.card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.card span {
  color: var(--muted);
  font-size: 14px;
}

.notice {
  margin: 30px 0;
  padding: 20px 22px;
  border-left: 4px solid var(--accent);
  border-radius: 0 12px 12px 0;
  background: #fff2ea;
}

.notice p {
  margin: 0;
  color: #5e392c;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 12px 0;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--navy);
  color: white;
  font-weight: 750;
  text-decoration: none;
}

.button:hover {
  background: var(--accent-dark);
  color: white;
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-top: 58px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

footer .copyright {
  width: 100%;
}

@media (max-width: 680px) {
  .shell {
    padding-top: 28px;
  }

  .brand {
    margin-bottom: 34px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: auto;
  }
}