/* ═══════════════════════════════════════════════
   SOLAR — faculty, bios, sponsors, abstracts, contact, privacy
   Layouts follow the approved Duda pages.
   ═══════════════════════════════════════════════ */

.pg-hero { text-align: center; padding-top: clamp(28px, 4vw, 48px); padding-bottom: clamp(20px, 3vw, 32px); }
.pg-sub { color: rgba(29,68,88,.75); margin-top: 6px; }
.pg-h2 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(20px, 2.2vw, 25px);
  color: var(--teal);
  line-height: 1.25;
}

/* ═══════════ FACULTY GRID ═══════════ */
.fac-section { margin-top: clamp(24px, 3vw, 40px); text-align: center; }
.fac-section .pg-h2 { margin-bottom: 24px; }
.fac-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px 20px; max-width: 1000px; margin: 0 auto; }
.fac-card { display: flex; flex-direction: column; align-items: center; text-align: center; }
.fac-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center 20%;
  border-radius: 22px;
  background: var(--canvas-2);
  transition: transform .25s var(--ease);
}
.fac-card:hover img { transform: translateY(-3px); }
.fac-name { font-weight: 700; font-size: 16px; margin-top: 12px; line-height: 1.3; }
.fac-cred { font-size: 13px; color: rgba(29,68,88,.7); margin-top: 2px; min-height: 1.3em; }
.fac-more {
  margin-top: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
  border: 1.5px solid rgba(246,147,32,.5);
  border-radius: 999px;
  padding: 6px 16px;
  transition: background .18s var(--ease), color .18s var(--ease);
}
.fac-card:hover .fac-more { background: var(--orange); color: var(--white); }
@media (max-width: 860px) { .fac-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .fac-grid { grid-template-columns: repeat(2, 1fr); gap: 26px 14px; } .fac-name { font-size: 15px; } }

/* ═══════════ BIO ═══════════ */
.bio-wrap { max-width: 900px; padding-top: clamp(20px, 3vw, 32px); }
.bio-back a { font-weight: 600; font-size: 14.5px; color: rgba(29,68,88,.8); }
.bio-back a:hover { color: var(--orange); }
.bio {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 18px 36px;
  margin-top: 18px;
  align-items: center;
}
.bio-photo { width: 100%; aspect-ratio: 1; object-fit: cover; object-position: center 20%; border-radius: 22px; }
.bio-role { font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--orange); }
.bio-name { font-family: var(--font-body); font-weight: 700; font-size: clamp(26px, 3vw, 34px); line-height: 1.15; }
.bio-cred { font-weight: 600; color: rgba(29,68,88,.75); margin-top: 2px; }
.bio-inst { list-style: none; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 15px; line-height: 1.5; }
.bio-inst li + li { margin-top: 4px; }
.bio-text { grid-column: 1 / -1; margin-top: 12px; }
.bio-text p { font-size: 16px; line-height: 1.75; max-width: 70ch; }
.bio-text p + p { margin-top: 14px; }
.bio-pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(36px, 5vw, 56px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.bio-pager a { font-weight: 700; display: flex; flex-direction: column; max-width: 48%; }
.bio-pager a:last-child { text-align: right; }
.bio-pager span { font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--orange); }
.bio-pager a:hover { color: var(--orange); }
@media (max-width: 640px) {
  .bio { grid-template-columns: 1fr; }
  .bio-photo { width: 180px; }
}

/* ═══════════ SPONSORS ═══════════ */
.spon-panel {
  list-style: none;
  background: var(--white);
  border-radius: 18px;
  padding: clamp(24px, 4vw, 48px);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: clamp(20px, 3vw, 40px) clamp(16px, 3vw, 36px);
  align-items: center;
}
.spon-panel li { display: grid; place-items: center; height: 72px; }
.spon-panel img { max-height: 64px; max-width: 100%; width: auto; object-fit: contain; }
@media (max-width: 860px) { .spon-panel { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 520px) { .spon-panel { grid-template-columns: repeat(2, 1fr); } .spon-panel li { height: 60px; } .spon-panel img { max-height: 52px; } }

/* ═══════════ ABSTRACTS ═══════════ */
.abs-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
  gap: clamp(28px, 5vw, 64px);
  padding-top: clamp(28px, 4vw, 48px);
  align-items: start;
}
.abs-side { position: sticky; top: calc(var(--header-h) + 24px); }
.abs-side .pg-h2 { margin-top: 10px; }
.abs-sub { font-size: 15px; color: rgba(29,68,88,.8); margin-top: 8px; }
.abs-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; margin-top: 22px; }
.abs-actions .btn { text-transform: uppercase; letter-spacing: .02em; }
.abs-size { font-size: 13px; color: rgba(29,68,88,.65); margin-top: -4px; }
.abs-closed { font-weight: 600; color: rgba(29,68,88,.75); border-left: 3px solid var(--orange); padding-left: 10px; }
.abs-item { border-bottom: 1px solid var(--line); }
.abs-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 4px;
  font-weight: 700;
  font-size: clamp(16px, 1.6vw, 18px);
  min-height: 56px;
}
.abs-item summary::-webkit-details-marker { display: none; }
.abs-item summary::after { content: "+"; font-size: 22px; font-weight: 500; color: var(--orange); transition: transform .2s var(--ease); }
.abs-item[open] summary::after { transform: rotate(45deg); }
.abs-item summary:hover { color: var(--orange); }
.abs-body { padding: 0 4px 20px; font-size: 15.5px; line-height: 1.65; }
.abs-body p + p, .abs-body ul + p { margin-top: 10px; }
.abs-body ul { padding-left: 20px; }
.abs-body li + li { margin-top: 4px; }
@media (max-width: 860px) {
  .abs-grid { grid-template-columns: 1fr; }
  .abs-side { position: static; text-align: center; }
  .abs-actions { align-items: center; }
}

/* ═══════════ CONTACT ═══════════ */
.contact-grid { padding-top: 8px; }

/* ═══════════ PRIVACY ═══════════ */
.prose { max-width: 760px; padding-top: clamp(28px, 4vw, 48px); }
.prose-title { font-size: clamp(24px, 3vw, 32px); text-transform: uppercase; }
.prose-meta { margin-top: 10px; color: rgba(29,68,88,.8); font-size: 15px; }
.prose h2 { font-family: var(--font-body); font-weight: 700; font-size: 19px; margin-top: 28px; }
.prose p, .prose li { font-size: 16px; line-height: 1.7; margin-top: 6px; }
.prose ul { padding-left: 20px; }
.prose a { text-decoration: underline; text-underline-offset: 2px; }