/* =================================================================
   IPRECON 2026 - Session & Speaker Pages
   Shared by: tutorials.html, special-sessions.html, speakers.html
   Scoped under .sessions-section / .speakers-section only.
   ================================================================= */

/* --------------------- TYPOGRAPHY --------------------- */
/* styles.css sets `* { font-family: Arial }`, which matches every element
   directly, so setting Montserrat on a container will NOT inherit down.
   Each component class must name the font itself.
   Do NOT use a `.sessions-section *` wildcard here: it ties with Font
   Awesome on specificity and, loading later, would blank the icons. */
.page-title,
.page-intro,
.sessions-note,
.session-badge,
.session-title,
.abstract-label,
.abstract-text,
.speaker-name,
.speaker-role,
.speaker-affiliation,
.tba-heading,
.tba-text,
.sessions-section .section-title,
.speakers-section .section-title {
  font-family: "Montserrat", Arial, sans-serif;
}

/* --------------------- PAGE SHELL --------------------- */
.sessions-section,
.speakers-section {
  padding: 60px 0;
  background-color: #fafafa;
}

.sessions-container,
.speakers-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-title-container {
  text-align: center;
  margin-bottom: 26px;
}

.page-title {
  font-size: 48px;
  font-weight: 700;
  color: #211021;
  position: relative;
  display: inline-block;
  padding-bottom: 15px;
  margin: 0;
}

.page-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 4px;
  background-color: #8e24aa;
}

.page-intro {
  max-width: 820px;
  margin: 0 auto 46px;
  text-align: center;
  font-size: 16.5px;
  line-height: 1.8;
  color: #555;
}

.sessions-note {
  margin: 36px auto 0;
  max-width: 720px;
  text-align: center;
  font-size: 14px;
  line-height: 1.7;
  color: #777;
}

/* --------------------- SPEAKER CARD ---------------------
   Width-agnostic on purpose: the parent (session rail or gallery grid)
   decides the track size, so one component serves all three pages. */
.speaker-card {
  width: 100%;
  min-width: 0;
  margin: 0;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275),
    box-shadow 0.3s ease;
}

.speaker-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.18);
}

.speaker-photo {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background-color: #f0f0f0;
}

.speaker-photo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center top; /* portraits: protect the head when cropped */
  transition: transform 0.4s ease;
}

.speaker-card:hover .speaker-photo img {
  transform: scale(1.04);
}

/* Solid caption rather than the gradient overlay used on committee.html:
   these roles and affiliations run longer and would clip in a fixed-height
   overlay. */
.speaker-meta {
  background-color: #211021;
  padding: 14px 14px 16px;
  flex: 1 1 auto;
}

.speaker-name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.25;
  color: #ffffff;
  margin: 0 0 5px;
}

.speaker-role {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.3;
  color: #d4af37;
  margin: 0 0 4px;
}

.speaker-affiliation {
  font-size: 11px;
  font-weight: 400;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.82);
  margin: 0;
  overflow-wrap: anywhere;
}

/* Gallery cards link through to their session anchor. Flex column + a
   growing child so every card in a row matches the tallest one: the plum
   caption absorbs the slack instead of leaving ragged bottom edges. */
.speaker-card-link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  border-radius: 10px;
}

.speaker-card-link .speaker-card {
  flex: 1 1 auto;
}

.speaker-card-link:focus-visible {
  outline: 3px solid #8e24aa;
  outline-offset: 3px;
  border-radius: 12px;
}

/* --------------------- SESSION CARD --------------------- */
.session-list {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.session-card {
  background: #fff;
  border-radius: 14px;
  padding: 34px 36px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  border-top: 4px solid #8e24aa;
  /* Anchor landings have to clear the navbar AND the marquee, which together
     occupy 125px. script.js switches both to position:fixed only once the
     page scrolls, pulling ~100px out of the flow after the jump has already
     happened, so the offset has to cover the chrome plus that shift.
     Measured on the live site: the card lands at (this value - 100). */
  scroll-margin-top: 240px;
}

/* No hover lift: these cards are not links. */

.session-header {
  margin-bottom: 28px;
}

.session-badge {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: #6a1b9a;
  background-color: rgba(142, 36, 170, 0.1);
  padding: 6px 14px;
  border-radius: 999px;
}

.session-badge--industry {
  color: #7a5c10; /* clears 4.5:1 on the gold tint */
  background-color: rgba(212, 175, 55, 0.2);
}

.session-title {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.35;
  color: #211021;
  margin: 0;
}

/* `max-content` resolves to one card (240px) or two (504px) on its own, so
   solo and joint sessions share identical markup with no modifier class. */
.session-body {
  display: grid;
  grid-template-columns: max-content minmax(320px, 1fr);
  gap: 36px;
  align-items: start;
}

.session-speakers {
  display: flex;
  flex-wrap: nowrap;
  gap: 24px;
}

.session-speakers .speaker-card {
  flex: 0 0 240px;
  width: 240px;
}

.abstract-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #8e24aa;
  margin: 0 0 10px;
}

.abstract-text {
  font-size: 16px;
  line-height: 1.8;
  color: #444;
  margin: 0;
  max-width: 76ch;
}

/* --------------------- SPEAKER GALLERY ---------------------
   Uniform spacing and semantic ids only. No :first-child / :last-child /
   :nth-child / sibling selectors anywhere, so a group can be reordered
   (e.g. moving Keynote to the top) by cut-and-paste alone. */
.speaker-group {
  margin-bottom: 60px;
}

.speaker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 240px));
  gap: 28px;
  justify-content: center;
  margin-top: 10px;
}

/* --------------------- TO BE ANNOUNCED PANEL --------------------- */
.tba-panel {
  max-width: 720px;
  margin: 10px auto 0;
  padding: 48px 32px;
  text-align: center;
  border-radius: 14px;
  background: linear-gradient(135deg, #211021 0%, #6a1b9a 100%);
  box-shadow: 0 10px 30px rgba(33, 16, 33, 0.2);
}

.tba-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(212, 175, 55, 0.18);
  border: 1px solid rgba(212, 175, 55, 0.45);
}

.tba-icon i {
  font-size: 26px;
  color: #d4af37;
}

.tba-heading {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #ffffff;
  margin: 0 0 12px;
}

.tba-text {
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 auto;
  max-width: 520px;
}

/* --------------------- RESPONSIVE --------------------- */
@media (min-width: 1920px) {
  /* The gallery is a centred card grid, so it can use the site-wide 70%.
     Session pages deliberately do not: the abstract holds a capped reading
     measure, so extra container width only strands empty space beside it. */
  .speakers-container {
    max-width: 70%;
  }

  .sessions-container {
    max-width: 1400px;
  }

  .page-title {
    font-size: 52px;
  }

  .session-title {
    font-size: 30px;
  }

  .session-speakers .speaker-card {
    flex-basis: 260px;
    width: 260px;
  }

  .speaker-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 260px));
    gap: 32px;
  }
}

@media (max-width: 1200px) {
  .page-title {
    font-size: 42px;
  }

  .session-card {
    padding: 28px 26px;
  }

  .session-title {
    font-size: 24px;
  }

  .session-body {
    grid-template-columns: max-content minmax(300px, 1fr);
    gap: 28px;
  }

  .session-speakers {
    gap: 20px;
  }

  .session-speakers .speaker-card {
    flex-basis: 220px;
    width: 220px;
  }
}

/* Speaker rail moves above the abstract */
@media (max-width: 1024px) {
  /* The desktop marquee is hidden here and the mobile one sits inside the
     navbar, so only the ~60px bar goes fixed -- a much smaller offset. */
  .session-card {
    scroll-margin-top: 140px;
  }

  .session-body {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .session-speakers {
    flex-wrap: wrap;
    justify-content: center;
  }

  .abstract-text {
    max-width: none;
  }
}

/* A two-speaker rail needs the full width by 1024px, but a single card does
   not: stacking it there would centre one narrow photo in a wide empty band.
   Solo sessions therefore keep the photo beside the abstract down to 768px.
   :has() picks the duo case off the markup, so neither page needs a modifier
   class and the two session pages stay structurally identical. */
@media (min-width: 769px) and (max-width: 1024px) {
  .session-body:not(:has(.speaker-card + .speaker-card)) {
    grid-template-columns: max-content minmax(280px, 1fr);
    gap: 26px;
  }
}

@media (max-width: 768px) {
  .sessions-section,
  .speakers-section {
    padding: 40px 0;
  }

  .sessions-container,
  .speakers-container {
    padding: 0 15px;
  }

  .page-title {
    font-size: 36px;
  }

  .page-title::after {
    width: 100px;
    height: 3px;
  }

  .page-intro {
    font-size: 15px;
    margin-bottom: 34px;
  }

  .session-list {
    gap: 26px;
  }

  .session-card {
    padding: 24px 20px;
    border-radius: 12px;
  }

  .session-header {
    margin-bottom: 22px;
  }

  .session-title {
    font-size: 20px;
  }

  .abstract-text {
    font-size: 15px;
    line-height: 1.75;
  }

  .session-speakers {
    gap: 18px;
  }

  .session-speakers .speaker-card {
    flex-basis: 200px;
    width: 200px;
  }

  .speaker-grid {
    grid-template-columns: repeat(auto-fit, minmax(170px, 210px));
    gap: 20px;
  }

  .tba-panel {
    padding: 36px 22px;
  }

  .tba-heading {
    font-size: 20px;
  }

  .tba-text {
    font-size: 14.5px;
  }
}

@media (max-width: 480px) {
  .page-title {
    font-size: 30px;
  }

  .page-title::after {
    width: 80px;
  }

  .session-card {
    padding: 20px 16px;
  }

  .session-title {
    font-size: 18.5px;
  }

  .abstract-text {
    font-size: 14.5px;
  }

  /* Co-speakers stack vertically rather than squeezing side by side */
  .session-speakers {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }

  .session-speakers .speaker-card {
    flex-basis: auto;
    width: 100%;
    max-width: 260px;
  }

  .speaker-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .speaker-meta {
    padding: 11px 11px 13px;
  }

  .speaker-name {
    font-size: 13.5px;
  }

  .speaker-role {
    font-size: 11px;
  }

  .speaker-affiliation {
    font-size: 10px;
  }
}

/* --------------------- ACCESSIBILITY --------------------- */
@media (prefers-reduced-motion: reduce) {
  .speaker-card,
  .speaker-photo img {
    transition: none;
  }

  .speaker-card:hover {
    transform: none;
  }

  .speaker-card:hover .speaker-photo img {
    transform: none;
  }
}

/* --------------------- PRINT --------------------- */
@media print {
  .session-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
    border-top: 2px solid #666;
  }

  .speaker-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }

  .speaker-grid {
    gap: 12px;
  }

  /* Flatten the dark fills so printing does not dump solid blocks of ink */
  .speaker-meta {
    background-color: #eee;
  }

  .speaker-name {
    color: #000;
  }

  .speaker-role {
    color: #5a4a10;
  }

  .speaker-affiliation {
    color: #333;
  }

  .tba-panel {
    background: none;
    border: 1px solid #ddd;
    box-shadow: none;
  }

  .tba-heading,
  .tba-text {
    color: #000;
  }
}