:root {
  --page-ground: #f6f2e9;
  --ink: #2b2724;
  --ink-secondary: #4a443d;
  --muted: #8a8272;
  --maroon: #6d1f26;
  --rule: #ddd5c4;
  --rule-light: #e4dccb;
  --button-border: #c9c0ad;
  --placeholder-a: #e7e0d0;
  --placeholder-b: #efe9dc;

  --font-serif: Spectral, Georgia, serif;
  --font-sans: "Public Sans", Helvetica, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--page-ground);
}

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

* {
  box-sizing: border-box;
}

a {
  color: var(--maroon);
  text-decoration: none;
}

a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.long-form {
  text-wrap: pretty;
}

/* Page shell */

.page {
  min-height: 100vh;
  background: var(--page-ground);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 300;
  padding: 0 40px 96px;
}

.content {
  max-width: 1000px;
  margin: 0 auto;
}

/* Header */

.site-header {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 32px;
  padding: 36px 0 20px;
  border-bottom: 1px solid var(--rule);
}

.wordmark {
  position: relative;
  display: inline-block;
  padding-left: 82px;
  font-family: var(--font-serif);
  font-size: 21px;
  color: var(--ink);
}

.wordmark img {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 68px;
  height: 68px;
}

.wordmark .at {
  color: var(--maroon);
}

.site-nav {
  display: flex;
  gap: 26px;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav a {
  color: var(--maroon);
}

.site-nav a.active {
  color: var(--ink);
  border-bottom: 2px solid var(--maroon);
  padding-bottom: 2px;
}

.site-nav a.active:hover {
  text-decoration: none;
}

/* Hero */

.hero {
  max-width: 1000px;
  margin: 0 auto;
  padding: 76px 0 60px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 80px;
  align-items: end;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 54px;
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.hero p {
  margin: 0;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-secondary);
  max-width: 44ch;
}

/* Section eyebrow */

.eyebrow {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.section {
  max-width: 1000px;
  margin: 48px auto 0;
}

.section:first-of-type {
  margin-top: 0;
}

/* Row grids */

.row-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.row-event {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 180px;
  gap: 40px;
  padding: 30px 0;
  border-top: 1px solid var(--rule);
  align-items: start;
}

.row-event:last-child {
  border-bottom: 1px solid var(--rule);
}

.row-event .meta-date {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 22px;
}

.row-event .meta-time {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.row-event .title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 25px;
  line-height: 1.3;
}

.row-event .speaker {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-secondary);
}

.row-event .location {
  margin: 0;
  font-size: 15px;
  color: var(--ink-secondary);
}

.archive-intro {
  margin: 0 0 26px;
  font-size: 16px;
  color: var(--ink-secondary);
}

.archive-item {
  padding: 16px 0;
  border-top: 1px solid var(--rule-light);
}

.archive-item .title {
  margin: 0 0 4px;
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.35;
}

.archive-item .byline {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

/* Courses */

.row-course {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) minmax(0, 0.9fr);
  gap: 40px;
  padding: 22px 0;
  border-top: 1px solid var(--rule);
  align-items: baseline;
}

.row-course:last-child {
  border-bottom: 1px solid var(--rule);
}

.row-course .code {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--maroon);
}

.row-course .title {
  font-family: var(--font-serif);
  font-size: 21px;
}

.row-course .description {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--ink-secondary);
  line-height: 1.55;
}

.row-course .prereqs {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.row-course .prereqs .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Reading */

.reading-list li {
  padding: 16px 0;
  border-top: 1px solid var(--rule);
}

.reading-list li:last-child {
  border-bottom: 1px solid var(--rule);
}

.reading-list .entry-head {
  display: flex;
  gap: 16px;
  align-items: baseline;
  flex-wrap: wrap;
}

.reading-list .entry-head p {
  margin: 0;
}

.reading-list .title {
  font-family: var(--font-serif);
  font-size: 21px;
  line-height: 1.3;
}

.reading-list .author {
  font-size: 14px;
  color: var(--muted);
}

.reading-list .topics {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}

/* People */

.officer-row {
  display: grid;
  gap: 48px;
  padding: 40px 0;
  border-top: 1px solid var(--rule);
  align-items: start;
}

.officer-row.portrait-left {
  grid-template-columns: 260px minmax(0, 1fr);
}

.officer-row.portrait-right {
  grid-template-columns: minmax(0, 1fr) 260px;
}

.officer-row.portrait-right .officer-text {
  order: 1;
}

.officer-row.portrait-right .officer-portrait {
  order: 2;
}

.officer-portrait img,
.portrait-placeholder {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.portrait-placeholder {
  background: repeating-linear-gradient(135deg, var(--placeholder-a) 0 8px, var(--placeholder-b) 8px 16px);
  display: flex;
  align-items: flex-end;
  padding: 14px;
}

.portrait-placeholder span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.officer-name {
  margin: 16px 0 2px;
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.25;
}

.officer-name .pronouns {
  font-size: 15px;
  color: var(--muted);
}

.officer-email {
  margin: 0;
  font-size: 15px;
}

.officer-role {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--maroon);
}

.officer-bio {
  margin: 0;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-secondary);
  max-width: 62ch;
}

.officer-website {
  margin: 16px 0 0;
  font-size: 15px;
}

/* Resources */

.term-group + .term-group {
  margin-top: 64px;
}

.term-header {
  display: flex;
  align-items: baseline;
  gap: 32px;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 10px;
}

.term-header h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 30px;
  letter-spacing: -0.01em;
}

.term-header .count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.row-pset {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 150px 110px;
  gap: 32px;
  padding: 20px 0;
  border-top: 1px solid var(--rule-light);
  align-items: baseline;
}

.row-pset:last-child {
  border-bottom: 1px solid var(--rule-light);
}

.row-pset .n {
  font-family: var(--font-serif);
  font-size: 34px;
  line-height: 1;
  color: var(--maroon);
}

.row-pset .title {
  margin: 0;
  font-size: 16px;
  color: var(--ink-secondary);
  line-height: 1.5;
}

.row-pset .date {
  font-size: 14px;
  color: var(--muted);
}

.row-pset .download {
  font-size: 15px;
}

/* Other / projects */

.row-project {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 40px;
  padding: 24px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  align-items: start;
}

.row-project .entry-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

.row-project .entry-head p {
  margin: 0;
}

.row-project .title {
  font-family: var(--font-serif);
  font-size: 24px;
  line-height: 1.3;
}

.row-project .author {
  font-size: 14px;
  color: var(--muted);
}

.row-project .description {
  margin: 8px 0 0;
  font-size: 16px;
  color: var(--ink-secondary);
  line-height: 1.6;
  max-width: 68ch;
}

.row-project .play-link {
  margin: 0;
  font-size: 15px;
}

/* Home-only sections */

.what-we-do {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px;
}

.what-we-do h3 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 24px;
  line-height: 1.25;
}

.what-we-do p {
  margin: 0;
  font-size: 16px;
  line-height: 1.68;
  color: var(--ink-secondary);
}

.closing-band {
  border-top: 1px solid var(--rule);
  padding-top: 40px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 72px;
}

.closing-band .line {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.closing-band p {
  margin: 0 0 20px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-secondary);
  max-width: 50ch;
}

.instagram-button {
  display: inline-block;
  padding: 12px 24px;
  border: 1px solid var(--button-border);
  font-size: 15px;
  color: var(--ink);
}

.instagram-button:hover {
  border-color: var(--maroon);
  color: var(--maroon);
  text-decoration: none;
}

.all-talks-link {
  display: inline-block;
  margin-top: 18px;
  font-size: 15px;
}

/* Footer */

.site-footer {
  max-width: 1000px;
  margin: 76px auto 0;
  border-top: 1px solid var(--rule);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  flex-wrap: wrap;
}

/* Responsive */

@media (max-width: 860px) {
  .site-header {
    flex-wrap: wrap;
  }

  .site-nav {
    flex-wrap: wrap;
    row-gap: 10px;
  }

  .hero,
  .what-we-do,
  .closing-band,
  .row-event,
  .row-course,
  .row-project,
  .row-pset {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero p {
    max-width: none;
  }

  .officer-row.portrait-left,
  .officer-row.portrait-right {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .officer-row.portrait-right .officer-text,
  .officer-row.portrait-right .officer-portrait {
    order: initial;
  }

  .officer-portrait,
  .officer-portrait img,
  .portrait-placeholder {
    max-width: 260px;
  }
}