/* =========================================================
   TALKS PAGE — photographic refresh
   Only affects /talks/
   ========================================================= */

.talks-article {
  padding-top: 0;
}

.talks-page {
  width: 100%;
  margin: 0;
  color: var(--ink);
}

/* ---------- Hero ---------- */
/*
  One integrated hero, matched to the Teaching hero's height and rhythm.
  The photograph fills the hero from the right and fades into the page
  background. Earlier full-bleed / natural-height rules are replaced here.
*/
.talks-article .talks-page .talks-hero.talks-hero--photo {
  position: relative;
  display: block;
  min-height: 21.75rem;
  height: auto;
  margin: 0 0 1.15rem;
  padding: 0;
  overflow: hidden;
  isolation: isolate;
  background: var(--paper);
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.talks-article .talks-page .talks-hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 5;
  width: min(58%, 40rem);
  max-width: 40rem;
  min-width: 0;
  min-height: 21.75rem;
  margin: 0;
  padding: 2.15rem 1.5rem 2.05rem 0;
}

.talks-article .talks-page .talks-hero-copy h1 {
  margin: 0;
  padding: 0;
  border: 0;
  color: var(--primary-deep);
  font-size: clamp(3.8rem, 7vw, 5.6rem);
  line-height: .98;
  letter-spacing: -.035em;
}

.talks-article .talks-page .talks-lead {
  display: block;
  width: 100%;
  max-width: 38rem;
  margin: 1.05rem 0 0;
  padding: 0;
  color: #3f5d73;
  font-size: clamp(1.05rem, 1.55vw, 1.25rem);
  line-height: 1.48;
  text-align: left;
}

.talks-article .talks-page .talks-hero-media {
  position: absolute;
  z-index: 1;
  top: -1.4rem;
  right: -1.2rem;
  bottom: -1.6rem;
  left: 24%;
  width: auto;
  height: auto;
  min-height: 0;
  max-height: none;
  margin: 0;
  overflow: hidden;
  pointer-events: none;
  border-radius: 0;
  background: transparent;
  transform: none;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,.12) 8%, rgba(0,0,0,.5) 22%, rgba(0,0,0,.86) 38%, #000 52%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,.12) 8%, rgba(0,0,0,.5) 22%, rgba(0,0,0,.86) 38%, #000 52%, #000 100%);
}

.talks-article .talks-page .talks-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(90deg, var(--paper) 0%, rgba(246,243,238,.72) 16%, rgba(246,243,238,.18) 38%, rgba(246,243,238,0) 58%),
    linear-gradient(180deg, rgba(246,243,238,.55) 0%, rgba(246,243,238,0) 14%, rgba(246,243,238,0) 82%, var(--paper) 100%);
}

.talks-article .talks-page .talks-hero-media img {
  position: absolute;
  inset: 0;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  display: block;
  object-fit: cover;
  object-position: 72% 30%;
  transform: none;
  opacity: 1;
  mix-blend-mode: normal;
  filter: none;
  -webkit-mask-image: none;
  mask-image: none;
}

/* ---------- Filters ---------- */

.talk-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin: 0 0 1.15rem;
}

.talk-filter {
  min-height: 2.8rem;
  padding: .66rem 1.3rem;
  border: 1px solid #cbd7df;
  border-radius: 999px;
  background: rgba(255,255,255,.7);
  color: var(--primary-deep);
  font-family: var(--font-heading);
  font-size: .96rem;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}

.talk-filter:hover {
  border-color: #9eb5c4;
}

.talk-filter.is-active[data-talk-filter="plenary"] {
  border-color: var(--terracotta);
  background: var(--terracotta);
  color: #fff;
}

.talk-filter.is-active[data-talk-filter="invited"] {
  border-color: var(--primary-deep);
  background: var(--primary-deep);
  color: #fff;
}

/* ---------- Section headings ---------- */

.talk-section-head {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(2rem, 1fr);
  gap: 1rem;
  align-items: center;
  margin: 0 0 1rem;
}

.talk-section-head::before {
  content: "";
  width: 3px;
  align-self: stretch;
  min-height: 2.45rem;
  background: var(--terracotta);
  position: absolute;
  left: 0;
  top: .05rem;
}

.talk-section-head h2 {
  grid-column: 1;
  margin: 0;
  padding: 0 0 0 .9rem;
  border: 0;
  color: var(--primary-deep);
  font-size: clamp(1.8rem, 2.5vw, 2.35rem);
  line-height: 1.05;
}

.talk-section-head > span {
  height: 1px;
  background:
    linear-gradient(
      90deg,
      var(--terracotta) 0 3.5rem,
      var(--line) 3.5rem 100%
    );
}

/* ---------- Featured ---------- */

.featured-talks {
  margin: 0 0 2.9rem;
}

.featured-talk-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.05rem;
}

.featured-talk-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: rgba(255,252,248,.88);
  border: 1px solid var(--line);
  border-radius: .55rem;
  box-shadow: 0 8px 22px rgba(37,54,76,.045);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}

.featured-talk-card:hover {
  transform: translateY(-2px);
  border-color: #c5d4dd;
  box-shadow: 0 11px 26px rgba(37,54,76,.075);
}

.featured-talk-card[hidden] {
  display: none !important;
}

.featured-talk-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #eef1f2;
  border-bottom: 1px solid var(--line);
}

.featured-talk-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  transition: transform .22s ease;
}

.featured-talk-card:hover .featured-talk-media img {
  transform: scale(1.012);
}

.featured-talk-date {
  position: absolute;
  top: .75rem;
  left: .75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 3.35rem;
  padding: .4rem .45rem;
  border: 1px solid rgba(165,183,195,.65);
  border-radius: .42rem;
  background: rgba(255,255,255,.92);
  color: var(--primary-deep);
  box-shadow: 0 3px 9px rgba(20,45,66,.07);
}

.featured-talk-date b {
  font-family: system-ui, "Segoe UI", sans-serif;
  font-size: .67rem;
  letter-spacing: .08em;
}

.featured-talk-date strong {
  margin-top: .1rem;
  font-family: var(--font-heading);
  font-size: .97rem;
}

.featured-talk-media .talk-type {
  position: absolute;
  top: .75rem;
  right: .75rem;
}

.featured-talk-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1rem 1.05rem 1.05rem;
}

.featured-talk-body h3 {
  min-height: 2.7em;
  margin: 0;
  color: var(--primary-deep);
  font-size: 1.2rem;
  line-height: 1.2;
}

.featured-talk-venue {
  margin: .42rem 0 0;
  color: var(--ink);
  line-height: 1.35;
}

.featured-talk-location {
  margin: .2rem 0 0;
  color: var(--muted);
  font-size: .89rem;
}

.featured-talk-body .talk-actions {
  margin-top: auto;
  padding-top: .9rem;
}

/* ---------- Type pills ---------- */

.talk-type {
  display: inline-flex;
  align-items: center;
  width: max-content;
  padding: .28rem .58rem;
  border-radius: 999px;
  font-family: system-ui, "Segoe UI", sans-serif;
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .055em;
  text-transform: uppercase;
}

.talk-type-plenary {
  background: #f7e6dc;
  color: #ac4b22;
}

.talk-type-invited {
  background: #e3eff6;
  color: #205d82;
}

/* ---------- Buttons ---------- */

.talk-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: .55rem;
  flex-wrap: wrap;
}

.talk-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .38rem;
  min-height: 2.2rem;
  padding: .43rem .72rem;
  border: 1px solid #9fc5dc;
  border-radius: .4rem;
  background: rgba(255,255,255,.7);
  color: var(--primary-deep);
  font-size: .82rem;
  font-weight: 600;
  text-decoration: none;
}

.talk-action svg {
  width: 1rem;
  height: 1rem;
  flex: none;
}

.talk-action-watch {
  border-color: #e7a38c;
  color: #b74920;
}

.talk-action:hover {
  background: #fff;
  box-shadow: 0 3px 10px rgba(34,65,91,.06);
}

/* ---------- Archive ---------- */

.talk-archive {
  margin-top: .5rem;
}

.talk-year {
  display: grid;
  grid-template-columns: 5.1rem minmax(0, 1fr);
  gap: 1rem;
  margin: 0;
}

.talk-year + .talk-year {
  margin-top: .2rem;
}

.talk-year > h3 {
  margin: .95rem 0 0;
  color: var(--primary);
  font-size: 1.15rem;
  font-weight: 600;
}

.talk-year-list {
  min-width: 0;
}

.talk-row {
  display: grid;
  grid-template-columns: 5rem 1rem 8.2rem minmax(0, 1fr) auto;
  gap: .72rem;
  align-items: center;
  min-height: 5.1rem;
  padding: .7rem 0;
  border-bottom: 1px solid var(--line);
}

.talk-row[hidden] {
  display: none !important;
}

.talk-row-date {
  color: var(--muted);
  font-size: .8rem;
}

.talk-row-marker {
  display: grid;
  place-items: center;
}

.talk-row-marker span {
  width: .38rem;
  height: .38rem;
  border-radius: 50%;
  background: var(--primary);
}

.talk-row-marker .is-plenary {
  background: var(--terracotta);
}

.talk-row-main {
  min-width: 0;
}

.talk-row-main h4 {
  margin: 0;
  color: var(--primary-deep);
  font-size: .98rem;
  line-height: 1.28;
}

.talk-row-main p {
  margin: .2rem 0 0;
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.35;
}

.talk-meta-sep {
  margin: 0 .42rem;
  color: #b4aaa0;
}

.talk-row-actions {
  min-width: 8.3rem;
}

/* ---------- Responsive ---------- */

@media (max-width: 1080px) {
  .featured-talk-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .talk-row {
    grid-template-columns: 4.6rem .8rem 7.5rem minmax(0,1fr);
  }

  .talk-row-actions {
    grid-column: 4;
    justify-content: flex-start;
    margin-top: -.2rem;
  }
}

@media (max-width: 820px) {
  .talks-article .talks-page .talks-hero.talks-hero--photo {
    min-height: 0;
    margin-bottom: 1.15rem;
  }

  .talks-article .talks-page .talks-hero-copy {
    width: 100%;
    max-width: none;
    min-height: 0;
    padding: 1.35rem 0 .35rem;
  }

  .talks-article .talks-page .talks-lead {
    max-width: 36rem;
  }

  .talks-article .talks-page .talks-hero-media {
    position: relative;
    top: auto;
    right: -6%;
    bottom: auto;
    left: -6%;
    width: auto;
    height: 15.5rem;
    margin: .35rem 0 0;
    -webkit-mask-image: linear-gradient(180deg, transparent 0%, rgba(0,0,0,.45) 14%, #000 32%, #000 78%, transparent 100%);
    mask-image: linear-gradient(180deg, transparent 0%, rgba(0,0,0,.45) 14%, #000 32%, #000 78%, transparent 100%);
  }

  .talks-article .talks-page .talks-hero-media::after {
    background: linear-gradient(180deg, var(--paper) 0%, rgba(246,243,238,.2) 22%, rgba(246,243,238,0) 42%, rgba(246,243,238,0) 78%, var(--paper) 100%);
  }

  .talks-article .talks-page .talks-hero-media img {
    object-position: 64% 16%;
  }

  .featured-talk-grid {
    grid-template-columns: 1fr;
  }

  .talk-year {
    grid-template-columns: 1fr;
    gap: .15rem;
    margin-top: 1.2rem;
  }

  .talk-year > h3 {
    margin: 0 0 .2rem;
  }

  .talk-row {
    grid-template-columns: 4.5rem .8rem minmax(0,1fr);
  }

  .talk-row-kind {
    display: none;
  }

  .talk-row-actions {
    grid-column: 3;
  }
}

@media (max-width: 560px) {
  .talks-article .talks-page .talks-hero-copy h1 {
    font-size: clamp(3.2rem, 14vw, 4rem);
  }

  .talks-article .talks-page .talks-lead {
    font-size: 1.05rem;
    max-width: none;
  }

  .talks-article .talks-page .talks-hero-media {
    height: 13.5rem;
  }

  .talk-filter {
    flex: 1 1 auto;
  }

  .talk-row {
    grid-template-columns: 3.8rem .65rem minmax(0,1fr);
    gap: .48rem;
  }

  .talk-row-date {
    font-size: .74rem;
  }

  .talk-actions {
    justify-content: flex-start;
  }
}