:root {
  color-scheme: light dark;
  --paper: #fffaf0;
  --ink: #2f271d;
  --muted: #6e6255;
  --line: #d9cbb8;
  --accent: #9f612f;
  --card: #fffdf8;
  --shadow: rgb(79 56 31 / 10%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #181512;
    --ink: #f5eadc;
    --muted: #c9b8a5;
    --line: #4b4035;
    --accent: #e1a367;
    --card: #211d19;
    --shadow: rgb(0 0 0 / 28%);
  }
}

* {
  box-sizing: border-box;
}

html {
  font-family: ui-rounded, "SF Pro Rounded", "Avenir Next", system-ui, sans-serif;
  line-height: 1.6;
  background: var(--paper);
  color: var(--ink);
}

body {
  margin: 0;
}

.skip-link {
  position: absolute;
  z-index: 1;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border: 2px solid var(--accent);
  border-radius: 10px;
  background: var(--card);
  color: var(--ink);
  font-weight: 700;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.shell {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  padding: 42px 0 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 1.1rem;
  font-weight: 750;
  text-decoration: none;
}

.mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  background: var(--accent);
  color: var(--paper);
  font-size: 1.25rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 22px;
}

main {
  padding-bottom: 56px;
}

.hero,
.card {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--card);
  box-shadow: 0 14px 38px var(--shadow);
}

.hero {
  padding: clamp(24px, 6vw, 48px);
}

.card {
  margin-top: 18px;
  padding: 22px clamp(20px, 5vw, 34px);
}

h1,
h2,
h3 {
  line-height: 1.18;
}

h1 {
  max-width: 18ch;
  margin: 0 0 12px;
  font-size: clamp(2rem, 7vw, 3.7rem);
}

h2 {
  margin-top: 0;
  font-size: 1.25rem;
}

h3 {
  margin-bottom: 0.35rem;
  font-size: 1rem;
}

p,
ul {
  margin-top: 0.5rem;
}

.lede,
.meta,
footer {
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-block;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  background: var(--accent);
  color: var(--paper);
}

details {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

summary {
  cursor: pointer;
  font-weight: 750;
}

footer {
  padding: 10px 0 48px;
  font-size: 0.9rem;
}

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