/* Hallmark · pre-emit critique: P5 H4 E5 S5 R5 V4
 * Hallmark · macrostructure: Long Document · theme: studied-DNA (source: yusu.ke)
 * audience: personal visitors · use: quiet reference · tone: austere technical
 */
:root {
  --color-paper: #ffffff;
  --color-ink: #414141;
  --color-muted: #737373;
  --color-link: #2754c5;
  --color-rule: #d1d1d1;
  --color-focus: #111111;
  --font-body: "Open Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
}

html,
body {
  overflow-x: clip;
}

html {
  color-scheme: light;
  background: var(--color-paper);
}

body {
  margin: 0;
  padding: var(--space-4) var(--space-8);
  color: var(--color-ink);
  background: var(--color-paper);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
}

a {
  color: var(--color-link);
  text-decoration: none;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration: underline;
}

a:active {
  color: var(--color-ink);
}

a:focus-visible {
  border-radius: 2px;
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.wrapper {
  width: min(100%, 42.5rem);
  margin-inline: auto;
}

.profile {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.profile img {
  flex: 0 0 auto;
  box-sizing: border-box;
  margin-top: 2.125rem;
  border: 1px solid var(--color-rule);
  border-radius: 2px;
  object-fit: cover;
}

h1,
h2 {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--color-ink);
  font-style: normal;
}

h1 {
  margin: 1.75rem 0 0;
  font-size: clamp(1.75rem, 7vw, 2rem);
  line-height: 1.2;
}

h2 {
  margin: var(--space-6) 0 var(--space-4);
  font-size: 1.5rem;
  line-height: 1.25;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin-top: var(--space-2);
}

nav a,
.slide-list a {
  white-space: nowrap;
}

main ul,
.slide-list {
  margin: 0 0 var(--space-4);
  padding: 0;
  list-style: none;
}

main li {
  margin-bottom: 0.3rem;
}

.slide-list li {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr);
  column-gap: var(--space-3);
  align-items: baseline;
}

.slide-list time {
  color: var(--color-muted);
  font-variant-numeric: tabular-nums;
}

.slide-list span {
  grid-column: 2;
  color: var(--color-muted);
  font-size: 0.9rem;
}

footer {
  margin: var(--space-8) 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-rule);
  text-align: center;
}

address {
  color: var(--color-muted);
  font-size: 0.875rem;
  font-style: normal;
}

@media (max-width: 30rem) {
  body {
    padding-inline: var(--space-4);
  }

  .profile {
    gap: var(--space-3);
  }

  .profile img {
    width: 64px;
    height: 64px;
  }

  .slide-list li {
    display: block;
    margin-bottom: var(--space-4);
  }

  .slide-list time,
  .slide-list a,
  .slide-list span {
    display: block;
  }

  .slide-list a {
    margin-block: var(--space-1);
    white-space: normal;
  }
}

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