/* ============================================================
   CognoCon 2027 — Interior page styles
   Loaded on interior content pages (about, agenda, contact,
   proceedings, speakers, venue) IN ADDITION TO styles.css.
   Contains components that don't appear on the homepage.
   ============================================================ */

/* Compatibility aliases: these interior pages were carried over
   from the 2026 site, which used a different variable naming
   scheme. Rather than rewrite every rule below, we alias the old
   names onto the current CognoCon 2027 brand tokens (defined in
   styles.css) so colors stay consistent site-wide. */
:root {
  --bg-0: var(--black);
  --bg-1: var(--charcoal);
  --bg-2: #1c1c1c;
  --text-dim: var(--gray);
  --text-muted: #8A8A8A;
  --border: rgba(255, 255, 255, 0.08);
  --gold-line: rgba(253, 196, 38, 0.25);
}

/* ===== Page hero (interior pages) ===== */
.page-hero {
  position: relative;
  padding: 130px 0 50px;
  background:
    linear-gradient(135deg, rgba(253, 196, 38, 0.08) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 100%);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
  color: var(--white);
}

.page-hero h1 .gold {
  color: var(--gold);
}

.page-hero .lede {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 720px;
  margin: 0 auto;
}

/* ===== Section eyebrow / heading (shared across interior pages) ===== */
.section-eyebrow {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
  text-align: center;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 700;
  text-align: center;
  line-height: 1.2;
  margin-bottom: 14px;
  position: relative;
  color: var(--white);
}

.section-title.with-underline::after {
  content: "";
  display: block;
  margin: 18px auto 0;
  width: 70px;
  height: 3px;
  background-color: var(--gold);
  border-radius: 2px;
}

/* ===== Generic content section ===== */
.about-section {
  padding: 70px 0;
  background-color: var(--bg-0);
  position: relative;
}

.about-section.alt {
  background-color: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.prose {
  max-width: 880px;
  margin: 30px auto 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 1.05rem;
  line-height: 1.8;
}

.prose p {
  margin-bottom: 18px;
}

/* ===== Core values grid ===== */
.values-grid {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
}

.value-card {
  text-align: center;
  padding: 24px 20px;
  position: relative;
}

.value-card:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 20%;
  bottom: 20%;
  width: 1px;
  background-color: var(--gold-line);
}

.value-card h3 {
  color: var(--gold);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.3px;
}

.value-card p {
  color: var(--text-dim);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* ===== Team — Conference Organizers (large cards) ===== */
.organizers-grid {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
}

.organizer-card {
  background-color: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px 28px;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.organizer-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold-line);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 25px rgba(253, 196, 38, 0.1);
}

.organizer-photo {
  width: 100%;
  max-width: 240px;
  aspect-ratio: 1 / 1;
  margin: 0 auto 22px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--gold);
  box-shadow: 0 0 25px rgba(253, 196, 38, 0.15);
}

.organizer-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.organizer-role {
  display: block;
  font-size: 0.75rem;
  color: var(--gold);
  letter-spacing: 1.8px;
  text-transform: uppercase;
  margin-bottom: 8px;
  font-weight: 600;
}

.organizer-name {
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 10px;
  font-weight: 700;
}

.organizer-title {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ===== Associate Editors (two-column, text-only list) ===== */
.editors-grid {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 30px;
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
}

.editor-card {
  background-color: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 22px 26px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.editor-card:hover {
  border-color: var(--gold-line);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35), 0 0 20px rgba(253, 196, 38, 0.08);
}

.editor-name {
  font-size: 1.05rem;
  color: #fff;
  font-weight: 700;
  margin-bottom: 4px;
}

.editor-affiliation {
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* ===== KSU Events Team (smaller cards in row) ===== */
.events-team-grid {
  margin-top: 50px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px 24px;
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}

.events-team-member {
  flex: 0 0 200px;
  max-width: 200px;
  text-align: center;
}

.events-team-photo {
  width: 100%;
  max-width: 160px;
  aspect-ratio: 1 / 1;
  margin: 0 auto 14px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--gold);
  box-shadow: 0 0 18px rgba(253, 196, 38, 0.12);
  transition: transform var(--transition), box-shadow var(--transition);
}

.events-team-member:hover .events-team-photo {
  transform: translateY(-4px);
  box-shadow: 0 0 25px rgba(253, 196, 38, 0.25);
}

.events-team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.events-team-name {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.3;
}

.events-team-title {
  color: var(--text-dim);
  font-size: 0.85rem;
  line-height: 1.4;
  padding: 0 8px;
}

/* ===== Sponsors ===== */
.sponsor-tier-label {
  text-align: center;
  font-size: 0.85rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin: 50px 0 28px;
  color: var(--gold);
  font-weight: 600;
  position: relative;
}

.sponsor-tier-label::before,
.sponsor-tier-label::after {
  content: "";
  display: inline-block;
  width: 60px;
  height: 1px;
  background: var(--gold-line);
  vertical-align: middle;
  margin: 0 18px;
}

/* Gold sponsors — featured side-by-side */
.gold-sponsors-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  max-width: 880px;
  margin: 0 auto;
}

/* Other sponsors — flexible grid */
.sponsors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.sponsor-card {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 0;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sponsor-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 25px rgba(253, 196, 38, 0.18);
}

/* Square logo container — keeps logos uncropped */
.sponsor-logo {
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}

.sponsor-logo img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.sponsor-name {
  background-color: var(--bg-2);
  color: #fff;
  padding: 14px 12px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  line-height: 1.3;
  border-top: 1px solid var(--gold-line);
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gold-sponsor .sponsor-logo {
  /* Keep gold tier as the same white square so logos read clearly */
  border: 3px solid var(--gold);
  border-bottom: 0;
}

.gold-sponsor .sponsor-name {
  background-color: var(--gold);
  color: #000;
  border-top: 0;
  font-size: 1rem;
  padding: 16px 12px;
}

/* ===== Final CTA (interior pages) ===== */
.about-final-cta {
  padding: 80px 0;
  background:
    radial-gradient(ellipse at 10% 50%, rgba(253, 196, 38, 0.18) 0%, transparent 50%),
    radial-gradient(ellipse at 90% 50%, rgba(253, 196, 38, 0.18) 0%, transparent 55%),
    linear-gradient(135deg, #0A0A0A 0%, #111111 50%, #0A0A0A 100%);
  text-align: center;
}

.about-final-cta h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 16px;
  color: var(--white);
}

.about-final-cta h2 .gold { color: var(--gold); }

.about-final-cta p {
  max-width: 720px;
  margin: 0 auto 28px;
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.7;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .value-card:not(:last-child)::after {
    display: none;
  }

  .organizers-grid {
    grid-template-columns: 1fr;
    max-width: 460px;
  }

  .editors-grid {
    grid-template-columns: 1fr;
    max-width: 460px;
  }

  .gold-sponsors-grid {
    grid-template-columns: 1fr;
    max-width: 460px;
  }
}

@media (max-width: 640px) {
  .about-section {
    padding: 50px 0;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .events-team-member {
    flex: 0 0 calc(50% - 12px);
    max-width: 160px;
    text-align: center;
  }

  .events-team-photo {
    max-width: 130px;
  }

  .sponsors-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-hero {
    padding: 110px 0 40px;
  }
}

/* ============================================================
   Agenda page — schedule, breakout tracks, panelist lists
   ============================================================ */

/* ===== Panelists layout ===== */
.schedule-event:has(.speaker-list) {
  display: block;
  padding-top: 18px;
  padding-bottom: 18px;
}

.speaker-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.speaker-list li {
  line-height: 1.4;
}

.speaker-list em {
  display: block;
  color: var(--text-dim);
  font-size: 0.85rem;
  font-style: normal;
  margin-top: 2px;
}

/* ===== Schedule layout ===== */
.schedule {
  background-color: var(--bg-0);
  padding: 70px 0;
}

.schedule-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 30px rgba(253, 196, 38, 0.04);
}

.schedule-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0;
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition);
}

.schedule-row:last-child {
  border-bottom: 0;
}

.schedule-row:hover {
  background-color: rgba(253, 196, 38, 0.03);
}

.schedule-time {
  padding: 18px 24px;
  font-weight: 600;
  color: var(--gold);
  font-size: 0.95rem;
  background-color: var(--bg-1);
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
}

.schedule-event {
  padding: 18px 24px;
  color: #fff;
  font-size: 1rem;
  line-height: 1.5;
  display: flex;
  align-items: center;
}

/* Highlighted/major moments */
.schedule-row.highlight .schedule-event {
  font-weight: 600;
}

.schedule-row.keynote .schedule-event::before {
  content: "★";
  color: var(--gold);
  margin-right: 10px;
}

.schedule-divider-thin {
  height: 1px;
  background-color: var(--gold);
  margin: 0;
  opacity: 0.3;
}

.schedule-divider-thick {
  height: 1px;
  background-color: var(--gold);
  margin: 0;
  opacity: 0.7;
}

/* ===== Breakout (two-track) section ===== */
.breakout {
  border-bottom: 1px solid var(--border);
  background-color: rgba(253, 196, 38, 0.02);
}

.breakout-header {
  display: grid;
  grid-template-columns: 200px 1fr 1fr;
  background-color: var(--bg-2);
  border-bottom: 1px solid var(--gold-line);
}

.breakout-header .schedule-time {
  background-color: var(--bg-2);
}

.breakout-title {
  padding: 14px 24px;
  color: var(--gold);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-right: 1px solid var(--border);
  text-align: center;
}

.breakout-title:last-child {
  border-right: 0;
}

.breakout-row {
  display: grid;
  grid-template-columns: 200px 1fr 1fr;
  border-bottom: 1px solid var(--border);
}

.breakout-row:last-child {
  border-bottom: 0;
}

.breakout-row .schedule-time {
  border-right: 1px solid var(--border);
}

.track-cell {
  padding: 16px 24px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #fff;
  font-size: 0.95rem;
  line-height: 1.45;
}

.track-cell:last-child {
  border-right: 0;
}

.track-cell .track-time {
  color: var(--gold);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}

/* ===== Mobile track tabs (hidden on desktop) ===== */
.track-tabs {
  display: none;
}

/* ===== Agenda responsive ===== */
@media (max-width: 768px) {
  .schedule-row {
    grid-template-columns: 1fr;
  }

  .schedule-time {
    padding: 12px 18px 4px;
    border-right: 0;
    background-color: transparent;
  }

  .schedule-event {
    padding: 4px 18px 14px;
  }

  /* Tabs visible on mobile */
  .track-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background-color: var(--bg-2);
    border-bottom: 1px solid var(--gold-line);
  }

  .track-tab {
    padding: 14px 12px;
    background: transparent;
    border: 0;
    color: var(--text-dim);
    font-family: inherit;
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all var(--transition);
  }

  .track-tab.active {
    color: var(--gold);
    border-bottom-color: var(--gold);
  }

  .track-tab:not(.active):hover {
    color: #fff;
  }

  .breakout-header {
    display: none; /* replaced by tabs on mobile */
  }

  .breakout-row {
    grid-template-columns: 1fr;
  }

  .breakout-row .schedule-time {
    border-right: 0;
    padding: 12px 18px 6px;
    background-color: transparent;
  }

  .track-cell {
    padding: 6px 18px 14px;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .track-cell:last-child {
    border-bottom: 0;
  }

  /* Hide non-active track on mobile */
  .breakout[data-active-track="industry"] .track-cell.research,
  .breakout[data-active-track="industry"] .breakout-row > .schedule-time + .track-cell + .track-cell {
    display: none;
  }

  .breakout[data-active-track="research"] .track-cell.industry {
    display: none;
  }

  /* Add a label per cell on mobile so the user knows which track they're seeing */
  .track-cell::before {
    content: attr(data-label);
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 1.2px;
    text-transform: uppercase;
    margin-bottom: 4px;
  }
}

@media (min-width: 769px) {
  .track-cell::before {
    display: none; /* labels only show on mobile */
  }
}

/* ============================================================
   Contact page — form, validation states, success state
   ============================================================ */

.contact-section {
  padding: 60px 0 90px;
  background-color: var(--bg-0);
}

.contact-wrapper {
  max-width: 880px;
  margin: 0 auto;
  background-color: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 50px 50px;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(253, 196, 38, 0.04);
  position: relative;
}

/* ===== Form ===== */
.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 24px;
}

.form-field {
  display: flex;
  flex-direction: column;
}

.form-field.full-width {
  grid-column: 1 / -1;
}

.form-field label {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.4px;
  margin-bottom: 8px;
}

.form-field label .req {
  color: var(--gold);
  margin-left: 3px;
}

.form-field label .optional {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.75rem;
  margin-left: 6px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.form-field input,
.form-field select,
.form-field textarea {
  background-color: var(--bg-1);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 6px;
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  padding: 12px 14px;
  transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
  width: 100%;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--text-muted);
}

.form-field input:hover,
.form-field select:hover,
.form-field textarea:hover {
  border-color: #ffffff;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--gold);
  background-color: var(--bg-0);
  box-shadow: 0 0 0 3px rgba(253, 196, 38, 0.12);
}

.form-field textarea {
  min-height: 160px;
  resize: vertical;
  font-family: inherit;
}

/* Custom select arrow */
.form-field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3e%3cpath fill='%23FDC426' d='M6 8L0 0h12z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 38px;
  cursor: pointer;
}

.form-field select option {
  background-color: var(--bg-1);
  color: #fff;
}

/* Error state */
.form-field.has-error input,
.form-field.has-error select,
.form-field.has-error textarea {
  border-color: #ff6b6b;
  background-color: rgba(255, 107, 107, 0.04);
}

.form-error {
  color: #ff6b6b;
  font-size: 0.8rem;
  margin-top: 6px;
  display: none;
}

.form-field.has-error .form-error {
  display: block;
}

/* Submit row */
.form-submit-row {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 18px;
  margin-top: 8px;
}

.form-submit-row .submit-error {
  color: #ff6b6b;
  font-size: 0.9rem;
  margin-right: auto;
  display: none;
}

.form-submit-row .submit-error.visible {
  display: block;
}

.submit-btn {
  min-width: 180px;
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Required note */
.required-note {
  grid-column: 1 / -1;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: 4px;
}

.required-note .req { color: var(--gold); }

/* ===== Success state ===== */
.success-state {
  display: none;
  text-align: center;
  padding: 30px 20px;
}

.success-state.visible {
  display: block;
  animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.success-icon {
  width: 84px;
  height: 84px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background-color: rgba(253, 196, 38, 0.1);
  border: 3px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(253, 196, 38, 0.25);
}

.success-icon svg {
  width: 44px;
  height: 44px;
  stroke: var(--gold);
  stroke-width: 3;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.success-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: #fff;
  margin-bottom: 14px;
  font-weight: 700;
}

.success-message {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 540px;
  margin: 0 auto 28px;
}

/* Hidden helper for the form wrapper */
.form-state.hidden {
  display: none;
}

/* ===== Contact responsive ===== */
@media (max-width: 700px) {
  .contact-wrapper {
    padding: 30px 22px;
  }

  .contact-form {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .form-submit-row {
    flex-direction: column-reverse;
    align-items: stretch;
    gap: 12px;
  }

  .form-submit-row .submit-error {
    margin-right: 0;
    text-align: center;
  }

  .submit-btn {
    width: 100%;
  }
}

/* ============================================================
   Proceedings page — Digital Measures callout, papers list
   ============================================================ */

.proceedings-section {
  padding: 60px 0 90px;
  background-color: var(--bg-0);
}

/* Digital Measures callout link */
.dm-callout {
  max-width: 880px;
  margin: 0 auto 40px;
  background-color: var(--bg-2);
  border: 1px solid var(--gold-line);
  border-radius: 8px;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  box-shadow: 0 0 25px rgba(253, 196, 38, 0.05);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.dm-callout:hover {
  border-color: var(--gold);
  box-shadow: 0 0 30px rgba(253, 196, 38, 0.15);
}

.dm-callout-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: rgba(253, 196, 38, 0.12);
  border: 1px solid var(--gold-line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  line-height: 1;
}

.dm-callout-text {
  flex: 1;
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.5;
  min-width: 240px;
}

.dm-callout-text strong {
  color: #fff;
  display: block;
  margin-bottom: 4px;
  font-size: 1rem;
  font-weight: 600;
}

.dm-callout-text a {
  color: var(--gold);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.dm-callout-text a:hover {
  border-bottom-color: var(--gold);
}

.dm-callout .btn {
  flex-shrink: 0;
}

/* ===== Papers list ===== */
.papers-section-label {
  text-align: center;
  font-size: 0.85rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin: 50px 0 28px;
  color: var(--gold);
  font-weight: 600;
  position: relative;
}

.papers-section-label::before,
.papers-section-label::after {
  content: "";
  display: inline-block;
  width: 60px;
  height: 1px;
  background: var(--gold-line);
  vertical-align: middle;
  margin: 0 18px;
}

.papers-list {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.paper-card {
  background-color: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 26px 28px;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 22px;
  align-items: start;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.paper-card:hover {
  transform: translateY(-3px);
  border-color: var(--gold-line);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4), 0 0 22px rgba(253, 196, 38, 0.08);
}

.paper-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: rgba(253, 196, 38, 0.08);
  border: 1px solid var(--gold-line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.paper-content {
  min-width: 0;
}

.paper-title {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.45;
  margin-bottom: 10px;
}

.paper-authors {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 0.92rem;
  line-height: 1.5;
}

.paper-authors-label {
  color: var(--gold);
  font-size: 0.7rem;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  font-weight: 700;
  flex-shrink: 0;
}

/* ===== Proceedings responsive ===== */
@media (max-width: 700px) {
  .proceedings-section {
    padding: 50px 0 70px;
  }

  .dm-callout {
    padding: 20px 22px;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }

  .dm-callout .btn {
    width: 100%;
  }

  .paper-card {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 22px 22px;
  }

  .paper-number {
    width: 44px;
    height: 44px;
    font-size: 0.9rem;
  }

  .paper-title {
    font-size: 1.02rem;
  }

  .paper-authors {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

/* ============================================================
   Speakers page — keynote / panel / industry speaker cards
   ============================================================ */

.speakers-section {
  padding: 70px 0;
  background-color: var(--bg-0);
  position: relative;
}

.speakers-section.alt {
  background-color: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.speakers-grid {
  display: grid;
  gap: 30px;
  margin-top: 50px;
}

/* Layout per section */
.grid-keynote {
  grid-template-columns: repeat(2, 1fr);
}

.grid-panel,
.grid-industry {
  grid-template-columns: repeat(3, 1fr);
}

/* ===== Speaker card ===== */
.speaker-card {
  background-color: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.speaker-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold-line);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 25px rgba(253, 196, 38, 0.1);
}

.speaker-photo {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 300px;
  margin: 28px auto 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--gold);
  box-shadow: 0 0 25px rgba(253, 196, 38, 0.15);
}

.speaker-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.speaker-content {
  padding: 0 26px 28px;
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.speaker-name {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  line-height: 1.2;
}

.speaker-title {
  font-size: 0.9rem;
  color: var(--gold);
  font-weight: 500;
  letter-spacing: 0.4px;
  margin-bottom: 18px;
  line-height: 1.4;
  min-height: 2.5em;
}

.speaker-bio {
  text-align: left;
  color: var(--text-dim);
  font-size: 0.92rem;
  line-height: 1.65;
}

.speaker-bio p {
  margin-bottom: 12px;
}

.speaker-bio p:last-child {
  margin-bottom: 0;
}

/* Moderator badge */
.moderator-badge {
  display: inline-block;
  background-color: var(--gold);
  color: #000;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 12px;
  margin-bottom: 10px;
}

/* Coming soon placeholder */
.speaker-bio.coming-soon {
  color: var(--text-muted);
  font-style: italic;
  text-align: center;
}

/* ===== Speakers responsive ===== */
@media (max-width: 1024px) {
  .grid-keynote {
    grid-template-columns: 1fr;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
  }

  .grid-panel,
  .grid-industry {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .speakers-section {
    padding: 50px 0;
  }

  .grid-panel,
  .grid-industry,
  .grid-keynote {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .speaker-photo {
    max-width: 220px;
    margin: 24px auto 18px;
  }

  .speaker-content {
    padding: 0 22px 26px;
  }

  .speaker-name {
    font-size: 1.25rem;
  }

  .speaker-title {
    min-height: 0;
  }
}

/* ============================================================
   Venue page — hero jump links, venue cards, info rows
   ============================================================ */

/* Hero jump-link buttons */
.hero-buttons-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.hero-buttons-row .btn {
  min-width: 220px;
}

/* ===== Venue section ===== */
.venue-section {
  padding: 70px 0;
  background-color: var(--bg-0);
  scroll-margin-top: 90px; /* offset for fixed header on jump links */
}

.venue-section.alt {
  background-color: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.venue-card {
  max-width: 880px;
  margin: 40px auto 0;
  background-color: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 40px 44px;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.35);
}

.venue-name {
  font-size: 1.6rem;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.3px;
}

.venue-tagline {
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 26px;
  font-weight: 600;
}

/* Info row layout */
.info-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
}

.info-row:first-of-type {
  border-top: 0;
  padding-top: 8px;
}

.info-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: rgba(253, 196, 38, 0.12);
  border: 1px solid var(--gold-line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  line-height: 1;
}

.info-content {
  flex: 1;
  min-width: 0;
}

.info-label {
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.info-text {
  color: #fff;
  font-size: 1rem;
  line-height: 1.55;
}

.info-text strong {
  color: #fff;
  font-weight: 700;
}

.info-text ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.info-text ul li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
  color: var(--text-dim);
}

.info-text ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--gold);
}

.info-text ul li:last-child {
  margin-bottom: 0;
}

/* Directions button area */
.directions-row {
  margin-top: 28px;
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* ===== Venue responsive ===== */
@media (max-width: 700px) {
  .hero-buttons-row {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    max-width: 320px;
    margin: 24px auto 0;
  }

  .hero-buttons-row .btn {
    width: 100%;
    min-width: 0;
  }

  .venue-section {
    padding: 50px 0;
  }

  .venue-card {
    padding: 28px 22px;
  }

  .venue-name {
    font-size: 1.35rem;
  }

  .info-icon {
    width: 38px;
    height: 38px;
    font-size: 1.05rem;
  }

  .info-row {
    gap: 14px;
    padding: 18px 0;
  }
}

/* ============================================================
   Sponsor page — benefits grid, sponsorship tier cards, contact CTA
   ============================================================ */

/* ===== Benefits of Sponsorship grid ===== */
.benefits-grid {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
}

.benefit-card {
  background-color: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 30px 28px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.benefit-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold-line);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 25px rgba(253, 196, 38, 0.1);
}

.benefit-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(253, 196, 38, 0.12);
  border: 1px solid var(--gold-line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 1.15rem;
  margin-bottom: 18px;
}

.benefit-card h3 {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.35;
}

.benefit-card p {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ===== Sponsorship tier cards ===== */
.tiers-list {
  max-width: 880px;
  margin: 50px auto 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.tier-card {
  background-color: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px 36px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.tier-card:hover {
  border-color: var(--gold-line);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 25px rgba(253, 196, 38, 0.08);
}

.tier-card.featured {
  border-color: var(--gold);
  box-shadow: 0 0 30px rgba(253, 196, 38, 0.12);
}

.tier-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 6px;
}

.tier-name {
  color: var(--gold);
  font-size: 1.3rem;
  font-weight: 700;
}

.tier-price {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
}

.tier-avail {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
}

.tier-tagline {
  color: var(--text-dim);
  font-style: italic;
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.tier-benefits,
.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tier-benefits li,
.checklist li {
  position: relative;
  padding-left: 26px;
  color: #fff;
  font-size: 0.95rem;
  line-height: 1.55;
}

.tier-benefits li::before,
.checklist li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--gold);
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 0.8rem;
}

/* ===== Sponsor contact card ===== */
.contact-title {
  color: #fff;
  font-size: 1rem;
  line-height: 1.5;
}

.contact-cta-row {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

/* ===== Sponsor page responsive ===== */
@media (max-width: 700px) {
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .tier-card {
    padding: 26px 24px;
  }

  .tier-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .contact-cta-row .btn {
    width: 100%;
    text-align: center;
  }
}

/* ============================================================
   Submissions page — quick nav, key dates, checklists, policies
   ============================================================ */

/* ===== Hero note + tagline ===== */
.hero-note {
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-style: italic;
  text-align: center;
}

.eyebrow-tagline {
  text-align: center;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-top: -4px;
  margin-bottom: 24px;
}

/* ===== Quick links nav bar ===== */
.quick-nav {
  background-color: var(--bg-1);
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}

.quick-nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.quick-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--gold-line);
  border-radius: 30px;
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.quick-nav-link i {
  color: var(--gold);
  font-size: 0.78rem;
  transition: color var(--transition);
}

.quick-nav-link:hover {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}

.quick-nav-link:hover i {
  color: var(--black);
}

/* ===== Content block (left-aligned prose + lists, matches .prose width) ===== */
.content-block {
  max-width: 880px;
  margin: 40px auto 0;
  text-align: left;
}

.content-block-intro {
  color: var(--text-dim);
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.subsection-title {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  margin: 36px 0 16px;
}

.content-block .subsection-title:first-child {
  margin-top: 0;
}

/* ===== Checklist icon (checkmark bullets) ===== */
.checklist li::before {
  top: 3px;
}

/* ===== Inline text link (matches dm-callout-text a) ===== */
.inline-link {
  color: var(--gold);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.inline-link:hover {
  border-bottom-color: var(--gold);
}

/* ===== Section-level CTA row (used after a checklist) ===== */
.section-cta-row {
  max-width: 880px;
  margin: 36px auto 0;
  text-align: center;
}

.section-cta-row p {
  color: var(--text-dim);
  font-size: 1rem;
  margin-bottom: 18px;
}

.section-cta-row .hero-note {
  margin-top: 14px;
}

/* ===== Key Dates card ===== */
.dates-card {
  padding: 12px 44px 20px;
}

.dates-list {
  display: flex;
  flex-direction: column;
}

.date-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  border-top: 1px solid var(--border);
}

.date-row:first-child {
  border-top: 0;
  padding-top: 10px;
}

.date-milestone {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
}

.date-value {
  color: var(--gold);
  font-size: 0.95rem;
  font-weight: 700;
  white-space: nowrap;
  text-align: right;
  flex-shrink: 0;
}

/* Scroll offset so jump links land below the sticky header */
.about-section[id] {
  scroll-margin-top: 90px;
}

/* ===== Submissions page responsive ===== */
@media (max-width: 700px) {
  .quick-nav {
    padding: 18px 0;
  }

  .quick-nav-list {
    gap: 10px;
  }

  .quick-nav-link {
    padding: 9px 14px;
    font-size: 0.8rem;
  }

  .dates-card {
    padding: 10px 22px 16px;
  }

  .date-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .date-value {
    text-align: left;
  }

  .content-block {
    margin-top: 30px;
  }

  .subsection-title {
    font-size: 1.05rem;
    margin: 28px 0 12px;
  }
}

/* ===== Register page — coming soon card ===== */
.coming-soon-card {
  max-width: 700px;
  margin: 0 auto;
  background-color: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 56px 44px;
  text-align: center;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.35);
}

.coming-soon-icon {
  width: 74px;
  height: 74px;
  margin: 0 auto 24px;
  border-radius: 50%;
  border: 1.5px solid var(--gold-line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--gold);
}

.coming-soon-eyebrow {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 10px;
}

.coming-soon-tbd {
  font-size: clamp(2.4rem, 6vw, 3.2rem);
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.coming-soon-text {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 520px;
  margin: 0 auto 32px;
}

.coming-soon-cta .btn {
  min-width: 260px;
}

.coming-soon-links {
  margin-top: 40px;
}

@media (max-width: 700px) {
  .coming-soon-card {
    padding: 40px 24px;
  }

  .coming-soon-cta .btn {
    width: 100%;
    min-width: 0;
  }
}

/* ===== CFP page — hero badge, subtitle, location line ===== */
.cfp-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 20px;
  margin-bottom: 22px;
  border: 1px solid var(--gold-line);
  border-radius: 30px;
  color: var(--gold);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.cfp-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.cfp-subtitle {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 18px;
}

.cfp-location-line {
  margin-top: 24px;
  color: var(--text-dim);
  font-size: 0.95rem;
}

.cfp-location-line i {
  color: var(--gold);
  margin-right: 4px;
}

@media (max-width: 700px) {
  .cfp-badge {
    font-size: 0.72rem;
    padding: 8px 16px;
  }

  .cfp-subtitle {
    font-size: 1rem;
  }
}

/* ===== "Coming soon" modal (EasyChair, etc.) ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.75);
}

.modal-overlay.is-open {
  display: flex;
}

.modal-box {
  position: relative;
  width: 100%;
  max-width: 420px;
  background-color: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 44px 32px 36px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  animation: modal-pop 0.18s ease-out;
}

@keyframes modal-pop {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  transition: color var(--transition);
}

.modal-close:hover {
  color: var(--gold);
}

.modal-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 50%;
  border: 1.5px solid var(--gold-line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--gold);
}

.modal-title {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.modal-text {
  color: var(--gold);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 26px;
}

.modal-box .btn {
  min-width: 160px;
}