/* ryancolwell.com
   Structure comes from 1px hairlines and whitespace. No shadows, no
   gradients, no filled cards, no border-radius except the archive pill. */

:root {
  --bg:       oklch(0.975 0.008 85);
  --ink:      oklch(0.24 0.014 70);
  --ink-2:    oklch(0.36 0.014 70);
  --ink-3:    oklch(0.38 0.014 70);
  --ink-4:    oklch(0.42 0.014 70);
  --muted:    oklch(0.5 0.012 70);
  --muted-2:  oklch(0.52 0.012 70);
  --muted-3:  oklch(0.55 0.012 70);
  --muted-4:  oklch(0.58 0.012 70);
  --muted-5:  oklch(0.6 0.012 70);
  --muted-6:  oklch(0.62 0.012 70);
  --muted-7:  oklch(0.65 0.012 70);
  --accent:      oklch(0.52 0.13 32);
  --accent-sel:  oklch(0.9 0.06 32);
  --rule:     oklch(0.88 0.012 75);
  --rule-2:   oklch(0.9 0.01 75);
  --rule-pill: oklch(0.8 0.014 75);

  --serif: Newsreader, Georgia, serif;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

/* --- base ------------------------------------------------------------ */

* { box-sizing: border-box; }

html { -webkit-font-smoothing: antialiased; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.5;
}

a { color: var(--ink); text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--accent); }

img { max-width: 100%; }

::selection { background: var(--accent-sel); }

h1, h2, h3, p { text-wrap: pretty; }

.page { padding: 0 32px; }
.container { max-width: 1080px; margin: 0 auto; }

/* Shared section chrome: hairline above, generous air, mono label row. */
.section { margin-top: 96px; padding-top: 64px; border-top: 1px solid var(--rule); }

.label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}
.label {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}
.label-aside { font-family: var(--mono); font-size: 12px; color: var(--muted-6); }

/* --- header ---------------------------------------------------------- */

.site-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding-top: 28px;
  flex-wrap: wrap;
}
.wordmark { font-family: var(--serif); font-size: 20px; letter-spacing: -0.01em; }
.site-nav {
  display: flex;
  gap: 26px;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.site-nav a { color: inherit; }
.site-nav a:hover { color: var(--accent); }

/* --- hero ------------------------------------------------------------ */

.hero { padding: 88px 0 72px; border-bottom: 1px solid var(--rule); }
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 28px;
}
.hero__title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(38px, 5.2vw, 64px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 20ch;
}
.hero__lede { font-size: 18px; line-height: 1.65; max-width: 62ch; margin: 32px 0 0; color: var(--ink-3); }
.hero__meta { font-size: 15px; margin: 28px 0 0; color: var(--muted-2); }

/* --- writing --------------------------------------------------------- */

.writing { padding-top: 64px; }

.featured {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--rule);
}
.featured__category { font-family: var(--mono); font-size: 12px; color: var(--accent); }
.featured__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(30px, 3.4vw, 42px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 14px 0 0;
}
.featured:hover .featured__title { color: var(--accent); }
.featured__blurb { font-family: var(--serif); font-size: 19px; line-height: 1.6; margin: 0; color: var(--ink-2); }
.featured__meta { font-family: var(--mono); font-size: 12px; color: var(--muted-5); margin: 22px 0 0; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 0 56px; }

.card { display: block; padding: 36px 0; border-bottom: 1px solid var(--rule); }
.card__date { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; color: var(--muted-5); }
.card__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
}
.card:hover .card__title { color: var(--accent); }
.card__blurb { font-family: var(--serif); font-size: 17px; line-height: 1.6; color: var(--ink-4); margin: 12px 0 0; }

/* --- archive --------------------------------------------------------- */
/* <details> so the full list is reachable with JS disabled. */

.archive summary { list-style: none; cursor: pointer; }
.archive summary::-webkit-details-marker { display: none; }

.archive__summary { display: flex; align-items: center; gap: 20px; padding-top: 32px; }
.archive__pill {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  border: 1px solid var(--rule-pill);
  border-radius: 999px;
  padding: 11px 20px;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.archive summary:hover .archive__pill { border-color: var(--accent); color: var(--accent); }
.archive__count { font-family: var(--mono); font-size: 12px; color: var(--muted-6); }

/* Label swaps on open; only one of the pair is ever rendered. */
.archive__label--open { display: none; }
.archive[open] .archive__label--open { display: inline; }
.archive[open] .archive__label--closed { display: none; }

.archive__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 0 56px;
  padding-top: 28px;
}
.archive__item { display: flex; align-items: baseline; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--rule-2); }
.archive__date { font-family: var(--mono); font-size: 11px; color: var(--muted-7); flex: none; width: 78px; }
.archive__title { font-family: var(--serif); font-size: 19px; }

/* --- about ----------------------------------------------------------- */

.about__grid { display: grid; grid-template-columns: minmax(240px, 300px) minmax(0, 1fr); gap: 56px; align-items: start; }
.about__aside { display: flex; flex-direction: column; gap: 24px; }
.about__photo {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
  filter: grayscale(1) contrast(1.02);
}
.about__contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}
.about__contact a { color: inherit; }
.about__contact a:hover { color: var(--accent); }

.about__quote { font-family: var(--serif); font-size: 22px; line-height: 1.6; margin: 0 0 24px; }
.about__body { font-size: 16px; line-height: 1.75; color: var(--ink-3); margin: 0 0 20px; max-width: 66ch; }
.about__body:last-of-type { margin-bottom: 44px; }

.timeline { border-top: 1px solid var(--rule); }
.timeline__row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule-2);
}
.timeline__row:last-child { border-bottom: none; }
.timeline__when { font-family: var(--mono); font-size: 12px; color: var(--muted-6); }
.timeline__role { font-size: 16px; line-height: 1.6; }
.timeline__detail { font-size: 14px; color: var(--muted-3); margin-top: 3px; }

/* --- reading --------------------------------------------------------- */

.reading__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 0 56px; }
.reading__item { padding: 24px 0; border-top: 1px solid var(--rule-2); }
.reading__title { font-family: var(--serif); font-size: 21px; }
.reading__author { font-size: 14px; color: var(--muted-3); margin-top: 4px; }
.reading__note { font-size: 15px; line-height: 1.65; color: var(--ink-4); margin: 10px 0 0; }

/* --- footer ---------------------------------------------------------- */

.site-footer {
  margin-top: 96px;
  padding: 32px 0 56px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted-4);
}
.site-footer a { color: inherit; }
.site-footer a:hover { color: var(--accent); }
.site-footer__links { display: flex; gap: 22px; }

/* --- post ------------------------------------------------------------ */

.post { padding: 72px 0 0; }
.post__date { font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; color: var(--muted-5); margin: 0 0 18px; }
.post__title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(34px, 4.4vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 24ch;
}
.post__body {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.7;
  color: var(--ink-3);
  max-width: 68ch;
  margin-top: 44px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--rule);
}
.post__body > :first-child { margin-top: 0; }
.post__body a { color: var(--accent); }
.post__body a:hover { text-decoration: underline; }
.post__body h2,
.post__body h3,
.post__body h4 {
  font-family: var(--serif);
  font-weight: 400;
  color: var(--ink);
  line-height: 1.25;
  margin: 44px 0 0;
}
.post__body h2 { font-size: 30px; letter-spacing: -0.015em; }
.post__body h3 { font-size: 24px; letter-spacing: -0.01em; }
.post__body h4 { font-size: 20px; }
.post__body p { margin: 20px 0 0; }
.post__body ul, .post__body ol { margin: 20px 0 0; padding-left: 24px; }
.post__body li { margin-top: 8px; }
.post__body img { display: block; margin: 32px 0 0; }
.post__body hr { border: none; border-top: 1px solid var(--rule); margin: 44px 0 0; }
.post__body blockquote {
  margin: 32px 0 0;
  padding-left: 24px;
  border-left: 1px solid var(--rule);
  color: var(--ink-2);
  font-style: italic;
}
.post__body code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--rule-2);
  padding: 2px 5px;
}
.post__body pre {
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.6;
  margin: 32px 0 0;
  padding: 20px;
  border: 1px solid var(--rule);
  overflow-x: auto;
}
.post__body pre code { background: none; padding: 0; font-size: inherit; }

.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding: 32px 0 0; }
.post-nav__link { font-family: var(--serif); font-size: 17px; line-height: 1.4; }
.post-nav__next { text-align: right; }
.post-nav__dir {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-6);
  margin-bottom: 8px;
}

/* Year switcher on the reading lists; same weight as .post-nav. */
.year-nav {
  display: flex;
  align-items: baseline;
  gap: 22px;
  flex-wrap: wrap;
  padding: 32px 0 0;
  font-family: var(--mono);
  font-size: 12px;
}
.year-nav__label { letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted-6); }
.year-nav a { color: var(--muted-2); }
.year-nav a:hover { color: var(--accent); }

/* --- responsive ------------------------------------------------------ */

@media (max-width: 760px) {
  .about__grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .about__aside { max-width: 300px; }
}

@media (max-width: 720px) {
  .featured { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .post-nav { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .post-nav__next { text-align: left; }
}

@media (max-width: 600px) {
  .page { padding: 0 20px; }
  .hero { padding: 56px 0 48px; }
  .section { margin-top: 64px; padding-top: 48px; }
  .writing { padding-top: 48px; }
  .label-row { margin-bottom: 32px; }
  .archive__summary { flex-wrap: wrap; gap: 14px; }
}