/* PrEP-ing at the end of HIV/AIDS — shared styles */

:root {
  --navy: #1f3a5f;
  --navy-deep: #172d4a;
  --teal: #2a7f7a;
  --teal-soft: #e1f0ee;
  --amber: #8f5a0f;
  --amber-soft: #fcefd4;
  --amber-bright: #f2c14e;
  --ink: #1c2430;
  --muted: #5d6b7c;
  --line: #d5e0de;
  --bg: #f2f7f6;
  --paper: #ffffff;
  --measure: 40rem;
  --wrap: 64rem;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* Faint meshwork behind every page */
body::before {
  content: "";
  position: fixed;
  inset: -2rem;
  z-index: -1;
  background: url("images/mesh-bg.svg") center / cover no-repeat;
  opacity: 0.5;
  pointer-events: none;
}

h1, h2, h3 {
  color: var(--navy);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.2;
}

h1 { font-size: 2.25rem; margin: 0 0 1.5rem; }
h2 { font-size: 1.5rem; margin: 3.5rem 0 1.25rem; }
h3 { font-size: 1.2rem; margin: 0 0 0.5rem; line-height: 1.3; }

p { margin: 0 0 1rem; }

a {
  color: var(--teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover { color: var(--navy); }

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

em { font-style: italic; }

/* ---------- Header ---------- */

.site-header {
  position: relative;
  overflow: hidden;
  background: linear-gradient(115deg, var(--navy-deep) 0%, var(--navy) 40%, #1f5462 75%, var(--teal) 100%);
  color: #fff;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0 0 0 42%;
  background: url("images/mesh-header.svg") right center / cover no-repeat;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 35%);
  mask-image: linear-gradient(to right, transparent 0%, #000 35%);
  pointer-events: none;
}

.site-header .inner { position: relative; }

.site-header .inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 2.75rem 1.5rem 0;
}

.site-name {
  display: inline-block;
  color: #fff;
  text-decoration: none;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.site-name:hover { color: #fff; }

.site-tagline {
  margin: 0.35rem 0 2rem;
  max-width: 34rem;
  color: #cbdbe6;
  font-size: 1rem;
  line-height: 1.5;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0 2rem;
}

.site-nav a {
  color: #d9e6ef;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.4rem 0 0.85rem;
  border-bottom: 3px solid transparent;
}

.site-nav a:hover { color: #fff; }

.site-nav a[aria-current="page"] {
  color: #fff;
  border-bottom-color: var(--amber-bright);
}

/* ---------- Main ---------- */

main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 3.5rem 1.5rem 5rem;
}

main > h1:first-child,
main > section:first-child > h2:first-child { margin-top: 0; }

.lead {
  max-width: 46rem;
  font-size: 1.5rem;
  line-height: 1.45;
  font-weight: 500;
  color: var(--navy);
  letter-spacing: -0.01em;
  margin: 0 0 1.25rem;
}

.prose { max-width: var(--measure); }

.note {
  color: var(--muted);
  font-size: 0.95rem;
}

.text-link { font-weight: 600; }

/* ---------- Entries (news, publications, activities) ---------- */

.entries {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.entry {
  display: grid;
  grid-template-columns: 9.5rem minmax(0, 1fr);
  gap: 0 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
}

.entry-when {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
  padding-top: 0.15rem;
}

.entry-body { max-width: var(--measure); }

.entry-body > :last-child { margin-bottom: 0; }

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 0.6rem;
  padding: 0;
  list-style: none;
}

.tag {
  display: inline-block;
  padding: 0.1rem 0.65rem;
  border-radius: 999px;
  background: var(--teal-soft);
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.6;
}

.tag-event {
  background: var(--amber-soft);
  color: var(--amber);
}

.details {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.flyers {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1.25rem 0;
}

.flyers img {
  display: block;
  width: 11rem;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--line);
}

.video {
  width: 100%;
  max-width: var(--measure);
  aspect-ratio: 16 / 9;
  margin: 1.25rem 0;
}

.video iframe {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 6px;
}

/* Publications */

.pub { margin: 0 0 1.5rem; }
.pub:last-child { margin-bottom: 0; }

.pub-authors { margin: 0; color: var(--muted); font-size: 0.95rem; }

.pub-title {
  margin: 0.15rem 0 0.2rem;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
}

.pub-source { margin: 0 0 0.5rem; font-size: 0.95rem; }

.pub .tags { margin: 0; }

.pub-link { overflow-wrap: anywhere; }

/* ---------- About ---------- */

.facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.4rem 1.5rem;
  margin: 1.5rem 0;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  max-width: var(--measure);
}

.facts dt { color: var(--muted); font-size: 0.95rem; }
.facts dd { margin: 0; font-weight: 500; }

.person {
  display: grid;
  grid-template-columns: 9.5rem minmax(0, 1fr);
  gap: 0 2rem;
  align-items: start;
}

.person img {
  width: 9.5rem;
  height: 9.5rem;
  object-fit: cover;
  border-radius: 50%;
}

.person-body { max-width: var(--measure); }

.person-name { font-size: 1.2rem; margin: 0 0 0.25rem; }

.person-role { color: var(--muted); margin: 0 0 1rem; }

.profiles {
  display: flex;
  gap: 1.25rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  font-weight: 600;
}

/* ---------- Footer ---------- */

.site-footer {
  position: relative;
  overflow: hidden;
  background: var(--navy-deep);
  color: #cbdbe6;
  font-size: 0.875rem;
  line-height: 1.55;
}

.site-footer .inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 2.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4.5rem;
  background: url("images/thread-footer.svg") center / 100% 100% no-repeat;
  pointer-events: none;
}

.site-footer .inner { position: relative; padding-top: 5rem; }

.eu-lockup {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  color: #fff;
  font-weight: 600;
  line-height: 1.25;
}

.eu-lockup img { height: 2.6rem; width: auto; display: block; }

.site-footer p { margin: 0; max-width: 38rem; }

/* ---------- Small screens ---------- */

@media (max-width: 720px) {
  body { font-size: 1rem; }
  h1 { font-size: 1.85rem; }
  .site-header .inner { padding-top: 2rem; }
  .site-header::before { inset: 0; opacity: 0.55; }
  .site-name { font-size: 1.6rem; }
  .site-nav { gap: 0 1.25rem; }
  main { padding: 2.5rem 1.25rem 4rem; }
  .lead { font-size: 1.25rem; }
  .entry, .person { grid-template-columns: 1fr; }
  .entry-when { padding: 0 0 0.4rem; }
  .person img { width: 7.5rem; height: 7.5rem; margin-bottom: 1rem; }
  .flyers img { width: 9rem; }
  .site-footer .inner { flex-direction: column; align-items: flex-start; gap: 1rem; }
}