:root {
  --bg: #f5f5f7;
  --bg-alt: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --accent: #4b306a; /* Durham purple-inspired */
  --accent-soft: #ede7f6;
  --border: #d1d5db;
  --card-shadow: none;
  --radius-lg: 4px;
  --radius-md: 4px;
  --radius-sm: 2px;
  --transition-fast: 150ms ease-out;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
    sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Make co-leads section wider while keeping other sections narrower */
#members .container {
  max-width: 900px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 14px;
  gap: 20px;
}

.site-logo {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  height: 100px;
  width: auto;
}

.label {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 4px;
}

h1 {
  font-size: clamp(24px, 3vw, 32px);
  margin: 0;
  font-weight: 650;
}

.subtitle {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--muted);
  max-width: 40rem;
}

.site-nav {
  display: flex;
  gap: 16px;
  font-size: 14px;
}

.site-nav a {
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--muted);
  transition: background-color var(--transition-fast), color var(--transition-fast),
    transform var(--transition-fast);
}

.site-nav a:hover {
  background-color: var(--accent-soft);
  color: var(--accent);
  text-decoration: none;
  transform: translateY(-1px);
}

.section {
  padding: 48px 0;
}

.section-alt {
  background-color: var(--bg-alt);
}

.poster-title {
  display: none;
}
.mailing-intro {
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--muted);
}

h2 {
  margin-top: 0;
  font-size: 22px;
}

.lead {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 12px;
}

p {
  line-height: 1.6;
  font-size: 14px;
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 20px;
}

.section-description {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.grid {
  display: grid;
  gap: 16px;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background-color: var(--bg-alt);
  border-radius: var(--radius-lg);
  padding: 16px 16px 14px;
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    border-color var(--transition-fast);
}

.card:hover {
  transform: translateY(-1px);
  border-color: #9ca3af;
}

.card-title {
  margin: 0 0 2px;
  font-size: 16px;
}

.card-role {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--muted);
}

.card-text {
  margin: 0;
  font-size: 14px;
}

.events-filters {
  display: inline-flex;
  background-color: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 3px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
  margin-bottom: 16px;
}

.filter-button {
  border: none;
  background: transparent;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast),
    transform var(--transition-fast);
}

.filter-button:hover {
  background-color: rgba(226, 232, 240, 0.7);
  transform: translateY(-1px);
}

.filter-button.is-active {
  background-color: var(--accent-soft);
  color: var(--accent);
}

.events-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.event-item {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 16px;
  padding: 14px 16px;
  background-color: #ffffff;
  border-radius: 0;
  border: 1px solid var(--border);
  box-shadow: none;
  transition: transform var(--transition-fast), border-color var(--transition-fast),
    background-color var(--transition-fast);
}

.event-item:hover {
  transform: translateY(-2px);
  border-color: #9ca3af;
  background-color: #f9fafb;
}

.event-meta {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.event-date {
  font-weight: 600;
  color: var(--text);
}

.event-time {
  font-size: 12px;
  color: var(--muted);
}

.event-tags {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 2px;
}

.event-tag {
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid #cbd5e1;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background-color: #f9fafb;
}

.event-tag--format {
  background-color: var(--accent-soft);
  border-color: #c4b5fd;
  color: var(--accent);
}

.event-tag--kind {
  color: var(--muted);
}

.event-content {
  font-size: 14px;
}

.event-title {
  margin: 0 0 4px;
  font-size: 15px;
}

.event-location {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 13px;
}

.event-description {
  margin: 0;
}

.contact-text {
  margin: 6px 0;
}

.contact-label {
  font-weight: 600;
  margin-right: 4px;
}

.print-poster-button {
  margin-top: 20px;
  padding: 10px 14px;
  font-size: 13px;
  border-radius: var(--radius-md);
  border: 1px solid var(--accent);
  background-color: var(--accent);
  color: #ffffff;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast);
}

.print-poster-button:hover {
  background-color: #ffffff;
  color: var(--accent);
}

@media print {
  @page {
    size: A3;
    margin: 15mm;
  }

  body {
    background: #ffffff;
    font-size: 12pt;
  }

  .site-header {
    position: static;
    border: none;
  }

  .site-logo {
    display: block !important;
    position: absolute;
    left: 15mm;
    top: 15mm;
  }

  .header-inner,
  .site-footer,
  .site-nav,
  .events-filters,
  .mailing-intro,
  #abstract,
  #members,
  #contact,
  .print-poster-button {
    display: none !important;
  }

  /* Only show upcoming events in the poster */
  .event-item[data-status="past"] {
    display: none !important;
  }

  .section {
    padding-top: 0;
  }

  /* Poster-style layout and typography */
  #events .container {
    max-width: 100%;
  }

  .poster-title {
    display: block;
    font-size: 30pt;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin: 0 0 4mm;
    text-align: left;
  }

  #events h2 {
    font-size: 18pt;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 6mm;
  }

  #events .section-description {
    font-size: 10pt;
    margin-bottom: 6mm;
  }

  .events-list {
    gap: 4mm;
  }

  .event-item {
    grid-template-columns: 0.9fr 1.6fr;
    padding: 0;
    border: none;
    background: transparent;
  }

  .event-meta {
    margin-bottom: 0.5mm;
    page-break-inside: avoid;
  }

  .event-date {
    font-size: 12pt;
  }

  .event-time {
    font-size: 9pt;
  }

  .event-tags {
    margin-top: 1mm;
  }

  .event-tag {
    font-size: 8pt;
  }

  .event-title {
    font-size: 14pt;
    margin-bottom: 0.5mm;
  }

  .event-location {
    font-size: 9pt;
    margin-bottom: 0.5mm;
  }

  .event-description {
    font-size: 9pt;
  }

  a {
    color: inherit;
    text-decoration: none;
  }
}

.site-footer {
  border-top: 1px solid rgba(226, 232, 240, 0.9);
  padding: 14px 0 18px;
  background: rgba(248, 250, 252, 0.95);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 12px;
  color: var(--muted);
}

.footer-small {
  margin: 0;
  font-size: 11px;
}

@media (max-width: 800px) {
  .site-header {
    position: relative;
    background: #ffffff;
    padding-top: 0;
  }

  .site-logo {
    position: static;
    transform: none;
    display: block;
    height: 80px;
    margin: 0 0 24px 20px;
    padding-top: 16px;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding-top: 0;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .event-item {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 580px) {
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .section {
    padding: 32px 0;
  }
}