/**
 * Event page — speakers carousel: premium stack + 3D flip
 * Loaded only on pages using content-events-pattern.php
 */

/* ---- Section: solid black, no heavy effects ---- */
#section-speakers.event-speakers-section {
  background-color: #000000 !important;
  position: relative;
}

#section-speakers.event-speakers-section .jarallax-img {
  opacity: 0 !important;
  visibility: hidden;
}

#section-speakers.event-speakers-section::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(255, 255, 255, 0.03) 0%, transparent 65%);
  z-index: 0;
}

#section-speakers.event-speakers-section > .container {
  position: relative;
  z-index: 2;
}

/* ---- Carousel: center highlight (stack / depth) ---- */
#speakers-carousel .owl-stage-outer {
  padding: 12px 0 28px;
  overflow: visible;
}

#speakers-carousel .owl-item {
  position: relative;
  z-index: 1;
  transition: opacity 0.45s ease-in-out;
  opacity: 0.6;
}

#speakers-carousel .owl-item.center {
  z-index: 5;
  opacity: 1;
}

#speakers-carousel .owl-item .event-speaker-card {
  transition: transform 0.45s ease-in-out, opacity 0.45s ease-in-out, filter 0.45s ease-in-out;
  transform: scale(0.88);
  opacity: 0.65;
  filter: saturate(0.85);
}

#speakers-carousel .owl-item.center .event-speaker-card {
  transform: scale(1);
  opacity: 1;
  filter: none;
}

@media (max-width: 575.98px) {
  #speakers-carousel .owl-item .event-speaker-card,
  #speakers-carousel .owl-item.center .event-speaker-card {
    transform: scale(1);
    opacity: 1;
    filter: none;
  }

  #speakers-carousel .owl-item {
    opacity: 1;
  }
}

/* ---- Flip root ---- */
#section-speakers .event-speakers-carousel-wrap {
  padding: 0 56px;
}

#section-speakers .event-speaker-card {
  padding: 0 10px;
  perspective: 1200px;
  -webkit-perspective: 1200px;
  cursor: pointer;
  outline: none;
}

#section-speakers .event-speaker-card:focus-visible .event-speaker-card-inner {
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.35), 0 16px 48px rgba(0, 0, 0, 0.45);
}

#section-speakers .event-speaker-card-inner {
  position: relative;
  width: 100%;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  transition: transform 0.5s ease-in-out;
  aspect-ratio: 3 / 4;
  border-radius: 16px;
  background: #0a0a0a;
}

#section-speakers .event-speaker-card.flipped .event-speaker-card-inner {
  transform: rotateY(180deg);
}

/* Shared face */
#section-speakers .event-speaker-card-face {
  position: absolute;
  inset: 0;
  border-radius: 16px;
  overflow: hidden;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.4);
  background: #111;
}

/* Front */
#section-speakers .event-speaker-card-front::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.82) 0%, rgba(0, 0, 0, 0.15) 45%, rgba(0, 0, 0, 0.25) 100%);
  z-index: 1;
  pointer-events: none;
}

#section-speakers .event-speaker-photo {
  position: absolute;
  inset: 0;
  z-index: 0;
}

#section-speakers .event-speaker-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  filter: grayscale(35%) brightness(0.88);
  transition: filter 0.45s ease-in-out, transform 0.45s ease-in-out;
}

#section-speakers .event-speaker-card:not(.flipped):hover .event-speaker-photo img {
  filter: grayscale(0%) brightness(0.95);
  transform: scale(1.03);
}

#section-speakers .event-speaker-default {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  padding: 52px 20px 22px;
  text-align: left;
}

#section-speakers .event-speaker-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  letter-spacing: 0.06em;
  line-height: 1.2;
}

#section-speakers .event-speaker-role {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.45;
}

/* Back */
#section-speakers .event-speaker-card-back {
  transform: rotateY(180deg);
  background: linear-gradient(160deg, #161616 0%, #0c0c0c 100%);
  display: flex;
  align-items: stretch;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

#section-speakers .event-speaker-back-body {
  padding: 24px 20px 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  width: 100%;
  text-align: left;
}

#section-speakers .event-speaker-name-back {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  letter-spacing: 0.06em;
  line-height: 1.2;
}

#section-speakers .event-speaker-role-back {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 14px;
}

#section-speakers .event-speaker-bio {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.65;
  margin-bottom: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  min-height: 0;
}

#section-speakers .event-speaker-social {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

#section-speakers .event-speaker-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 0.25s ease-in-out, color 0.25s ease-in-out, border-color 0.25s ease-in-out;
}

#section-speakers .event-speaker-social-link:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

/* Owl nav */
#section-speakers .event-speakers-carousel-wrap .owl-nav {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  pointer-events: none;
  display: flex;
  justify-content: space-between;
  padding: 0 2px;
  margin: 0;
}

#section-speakers .event-speakers-carousel-wrap .owl-nav button {
  pointer-events: auto;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(0, 0, 0, 0.55);
  color: rgba(255, 255, 255, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s ease-in-out, border-color 0.25s ease-in-out, color 0.25s ease-in-out;
}

#section-speakers .event-speakers-carousel-wrap .owl-nav button:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}

@media (max-width: 768px) {
  #section-speakers .event-speakers-carousel-wrap {
    padding: 0 44px;
  }
}