/* ============================================================
   TUMS — Publication page (News Letters only)
   Same design language as ORIC / QEC / Faculty / Careers
   ============================================================ */

.pb-page {
  --pb-ink:       #0d1a2b;
  --pb-ink-2:     #16273c;
  --pb-ink-soft:  #4b5c73;
  --pb-muted:     #8794a5;
  --pb-gold:      #b98f45;
  --pb-gold-2:    #d9b877;
  --pb-gold-3:    #f0dfb5;
  --pb-cream:     #f7f3ec;
  --pb-cream-2:   #efe9dd;
  --pb-white:     #ffffff;
  --pb-line:      rgba(13,26,43,.08);
  --pb-line-2:    rgba(13,26,43,.16);
  --pb-radius:    20px;
  --pb-radius-sm: 14px;
  --pb-radius-xs: 10px;
  --pb-shadow:    0 40px 80px -46px rgba(13,26,43,.45);
  --pb-shadow-sm: 0 16px 34px -20px rgba(13,26,43,.30);
  --pb-ease:      cubic-bezier(.22,.8,.28,1);
  --pb-serif:     Georgia, "Times New Roman", "Playfair Display", serif;

  position: relative;
  background: var(--pb-cream);
  color: var(--pb-ink);
  overflow: clip;
  isolation: isolate;
  padding: clamp(48px, 6vw, 88px) 0;
}
.pb-page::before,
.pb-page::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(70px);
  opacity: .5;
}
.pb-page::before {
  width: 640px; height: 640px;
  top: -220px; left: -200px;
  background: radial-gradient(circle, rgba(185,143,69,.55), transparent 65%);
}
.pb-page::after {
  width: 760px; height: 760px;
  bottom: -300px; right: -240px;
  background: radial-gradient(circle, rgba(23,46,80,.28), transparent 68%);
}

/* ============================================================
   HERO
   ============================================================ */
.pb-hero {
  position: relative;
  z-index: 1;
  width: min(1280px, 100% - 48px);
  margin-inline: auto;
  margin-bottom: clamp(28px, 3.4vw, 44px);
  padding-bottom: clamp(20px, 2.4vw, 30px);
  border-bottom: 1px solid var(--pb-line-2);
}
.pb-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 600 10px/1 system-ui, -apple-system, "Segoe UI", sans-serif;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--pb-gold);
  margin-bottom: 14px;
}
.pb-eyebrow-line {
  width: 28px; height: 1px;
  background: linear-gradient(90deg, var(--pb-gold), transparent);
}
.pb-hero-title {
  margin: 0 0 14px;
  font-family: var(--pb-serif);
  font-weight: 500;
  font-size: clamp(30px, 3.6vw, 48px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--pb-ink);
}
.pb-hero-title em {
  font-style: italic;
  color: var(--pb-gold);
}
.pb-hero-lede {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: clamp(14.5px, 1vw, 16px);
  line-height: 1.75;
  color: var(--pb-ink-soft);
}
.pb-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.pb-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border: 1px solid var(--pb-line-2);
  border-radius: 999px;
  background: var(--pb-white);
  font: 500 11.5px/1 system-ui, -apple-system, "Segoe UI", sans-serif;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--pb-ink-soft);
}
.pb-meta-pill strong {
  font-family: var(--pb-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--pb-gold);
  letter-spacing: 0;
}

/* ============================================================
   SPLIT / CARD
   ============================================================ */
.pb-split {
  position: relative;
  z-index: 1;
  width: min(1280px, 100% - 48px);
  margin-inline: auto;
}
.pb-card {
  position: relative;
  background: var(--pb-white);
  border: 1px solid var(--pb-line);
  border-radius: var(--pb-radius);
  padding: clamp(24px, 3vw, 44px);
  box-shadow: var(--pb-shadow);
  overflow: hidden;
}
.pb-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg,
    var(--pb-gold) 0%,
    var(--pb-gold-2) 35%,
    transparent 70%);
}
.pb-card-flourish {
  position: absolute;
  top: 18px; right: 18px;
  width: 44px; height: 44px;
  pointer-events: none;
  opacity: .5;
  background:
    radial-gradient(circle at 100% 0, var(--pb-gold-3) 0 6px, transparent 7px),
    radial-gradient(circle at 100% 0, var(--pb-gold-2) 0 12px, transparent 13px);
  border-top-right-radius: var(--pb-radius);
}

/* ============================================================
   NEWSLETTER GRID
   ============================================================ */
.pb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: clamp(18px, 2.4vw, 30px);
}

.pb-news-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 18px 18px 22px;
  border-radius: var(--pb-radius-sm);
  background: linear-gradient(160deg, #fff 0%, var(--pb-cream) 100%);
  border: 1px solid var(--pb-line);
  transition: transform .35s var(--pb-ease),
              box-shadow .35s var(--pb-ease),
              border-color .35s var(--pb-ease);
}
.pb-news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--pb-shadow);
  border-color: rgba(185,143,69,.4);
}

.pb-news-num {
  position: absolute;
  top: 14px; left: 16px;
  z-index: 2;
  display: inline-grid;
  place-items: center;
  min-width: 28px; height: 28px;
  padding: 0 8px;
  border-radius: 8px;
  background: rgba(247,243,236,.94);
  font-family: var(--pb-serif);
  font-style: italic;
  font-weight: 700;
  font-size: 12px;
  color: var(--pb-gold);
  box-shadow: 0 8px 18px -10px rgba(13,26,43,.35);
  pointer-events: none;
}

/* ---------- media ---------- */
.pb-news-media {
  position: relative;
  display: block;
  aspect-ratio: 3 / 4;
  border-radius: var(--pb-radius-xs);
  overflow: hidden;
  background: var(--pb-cream-2);
  box-shadow: 0 20px 40px -26px rgba(13,26,43,.5);
  text-decoration: none !important;
}
.pb-news-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s var(--pb-ease);
}
.pb-news-card:hover .pb-news-media img { transform: scale(1.06); }

.pb-news-ph {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  color: var(--pb-gold);
  font-size: 40px;
  background: var(--pb-cream-2);
}

.pb-news-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 18px;
  background: linear-gradient(180deg,
    rgba(13,26,43,0) 45%,
    rgba(13,26,43,.75) 100%);
  opacity: 0;
  transition: opacity .35s var(--pb-ease);
  pointer-events: none;
}
.pb-news-card:hover .pb-news-overlay { opacity: 1; }

.pb-news-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--pb-gold), var(--pb-gold-2));
  color: #fff;
  font: 600 11px/1 system-ui, -apple-system, "Segoe UI", sans-serif;
  letter-spacing: .16em;
  text-transform: uppercase;
  box-shadow: 0 14px 24px -12px rgba(185,143,69,.85);
  transform: translateY(8px);
  transition: transform .35s var(--pb-ease);
}
.pb-news-cta i { font-size: 11px; }
.pb-news-card:hover .pb-news-cta { transform: translateY(0); }

/* ---------- body ---------- */
.pb-news-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 4px 0;
}

.pb-news-date {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 600 10.5px/1 system-ui, -apple-system, "Segoe UI", sans-serif;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--pb-gold);
}
.pb-news-date i { font-size: 11px; }

.pb-news-title {
  margin: 0;
  font-family: var(--pb-serif);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--pb-ink);
}

.pb-news-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--pb-ink-soft);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pb-news-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  margin-top: 6px;
  padding: 8px 0;
  font: 600 11px/1 system-ui, -apple-system, "Segoe UI", sans-serif;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--pb-ink) !important;
  text-decoration: none !important;
  border-bottom: 1.5px solid var(--pb-gold);
  transition: gap .25s var(--pb-ease), color .25s var(--pb-ease);
}
.pb-news-link:hover { gap: 12px; color: var(--pb-gold) !important; }
.pb-news-link i { font-size: 10px; }

/* ============================================================
   FOOTNOTE
   ============================================================ */
.pb-foot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: clamp(30px, 3.4vw, 44px);
  padding-top: clamp(22px, 2.6vw, 30px);
  border-top: 1px solid var(--pb-line);
  text-align: center;
}
.pb-foot-line {
  width: 44px; height: 2px;
  background: linear-gradient(90deg, var(--pb-gold), var(--pb-gold-2));
  border-radius: 2px;
}
.pb-foot em {
  font-family: var(--pb-serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--pb-muted);
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.pb-empty {
  text-align: center;
  padding: 60px 20px 40px;
}
.pb-empty i {
  display: block;
  font-size: 44px;
  color: var(--pb-gold);
  margin-bottom: 18px;
  opacity: .8;
}
.pb-empty h3 {
  margin: 0 0 10px;
  font-family: var(--pb-serif);
  font-weight: 500;
  font-size: 22px;
  color: var(--pb-ink);
}
.pb-empty p {
  max-width: 46ch;
  margin: 0 auto;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--pb-ink-soft);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .pb-hero, .pb-split { width: min(1280px, 100% - 36px); }
}

@media (max-width: 720px) {
  .pb-page { padding: 32px 0 48px; }
  .pb-hero, .pb-split {
    width: 100%;
    margin-inline: 0;
    padding-inline: 16px;
    box-sizing: border-box;
  }
  .pb-hero { padding-bottom: 20px; margin-bottom: 22px; }
  .pb-hero-title { font-size: clamp(24px, 7vw, 32px); }
  .pb-hero-lede  { font-size: 14.5px; }

  .pb-card {
    padding: 22px 16px 26px;
    border-radius: var(--pb-radius-sm);
  }
  .pb-card::before { height: 3px; }
  .pb-card-flourish { top: 12px; right: 12px; width: 32px; height: 32px; }

  .pb-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
  }
  .pb-news-card { padding: 14px 14px 18px; }
  .pb-news-media { aspect-ratio: 4 / 5; }
  .pb-news-title { font-size: 16px; }
  .pb-news-desc  { font-size: 12.5px; -webkit-line-clamp: 2; }
}

@media (max-width: 420px) {
  .pb-card { padding: 20px 14px 24px; }
  .pb-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .pb-news-card { padding: 12px 12px 16px; }
  .pb-news-title { font-size: 14.5px; }
  .pb-news-desc  { display: none; }
  .pb-news-date  { font-size: 9.5px; letter-spacing: .16em; }
  .pb-news-link  { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .pb-news-card,
  .pb-news-media img,
  .pb-news-overlay,
  .pb-news-cta,
  .pb-news-link { transition: none; }
}