/* public/css/intervenants.css */

/* ============================================================
   PAGE HERO (identique aux autres pages)
   ============================================================ */
.page-hero {
  background:
    linear-gradient(135deg, rgba(15,28,77,0.68) 0%, rgba(27,43,107,0.58) 50%, rgba(36,53,128,0.65) 100%),
    url('../imges/hero/intervenants.png') center center / cover no-repeat;
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.page-hero-inner {
  position: relative;
  z-index: 2;
}

.page-hero-title {
  font-family: var(--font-titre);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.2rem);
  color: var(--blanc);
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.page-hero-subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  max-width: 540px;
  line-height: 1.7;
}

/* ============================================================
   SECTION INTERVENANTS
   ============================================================ */
.section-intervenants {
  background: var(--blanc);
  padding: 96px 0 112px;
}

/* ============================================================
   FILTRES
   ============================================================ */
.speakers-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 56px;
}

.filter-tag {
  padding: 9px 20px;
  border: 1.5px solid rgba(27,43,107,0.15);
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gris-texte);
  background: var(--blanc);
  cursor: pointer;
  transition: var(--transition);
}

.filter-tag:hover {
  border-color: var(--bleu);
  color: var(--bleu);
  background: rgba(27,43,107,0.04);
}

.filter-tag.active {
  background: var(--bleu);
  border-color: var(--bleu);
  color: var(--blanc);
  box-shadow: 0 4px 12px rgba(27,43,107,0.25);
}

/* ============================================================
   SPEAKERS GRID
   ============================================================ */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ============================================================
   SPEAKER CARD
   ============================================================ */
.speaker-card {
  background: var(--gris-clair);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
  border: 1.5px solid transparent;
}

.speaker-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}

.speaker-card[data-panel="ouverture"]::before { background: var(--bleu); }
.speaker-card[data-panel="keynote"]::before   { background: #7c3aed; }
.speaker-card[data-panel="panel1"]::before    { background: var(--cyan); }
.speaker-card[data-panel="panel2"]::before    { background: var(--rouge); }
.speaker-card[data-panel="panel3"]::before    { background: #10b981; }
.speaker-card[data-panel="usecase"]::before   { background: var(--bleu-dark); }

.speaker-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(27,43,107,0.08);
}

.speaker-card:hover::before {
  transform: scaleX(1);
}

.speaker-card.hidden {
  display: none;
}

/* ============================================================
   CARD TOP
   ============================================================ */
.speaker-card-top {
  padding: 32px 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.speaker-card-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-titre);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--blanc);
  margin-bottom: 16px;
  flex-shrink: 0;
  letter-spacing: -0.02em;
}

.avatar-bleu   { background: linear-gradient(135deg, var(--bleu) 0%, var(--bleu-mid) 100%); }
.avatar-rouge  { background: linear-gradient(135deg, var(--rouge) 0%, #c82920 100%); }
.avatar-cyan   { background: linear-gradient(135deg, var(--cyan) 0%, #0099d4 100%); }
.avatar-purple { background: linear-gradient(135deg, #7c3aed 0%, #5b21b6 100%); }
.avatar-green  { background: linear-gradient(135deg, #10b981 0%, #059669 100%); }
.avatar-dark   { background: linear-gradient(135deg, var(--bleu-dark) 0%, #060f30 100%); }

.speaker-card-name {
  font-family: var(--font-titre);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--bleu);
  margin-bottom: 6px;
  line-height: 1.3;
}

.speaker-card-title {
  font-size: 0.8rem;
  color: var(--gris-texte);
  line-height: 1.4;
  margin-bottom: 4px;
}

.speaker-card-org {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--bleu-mid);
  opacity: 0.7;
}

/* ============================================================
   CARD BOTTOM
   ============================================================ */
.speaker-card-bottom {
  padding: 12px 24px 20px;
  display: flex;
  justify-content: center;
}

.speaker-panel-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
}

.tag-ouverture { background: rgba(27,43,107,0.1);   color: var(--bleu); }
.tag-keynote   { background: rgba(124,58,237,0.1);  color: #7c3aed; }
.tag-panel1    { background: rgba(0,174,239,0.1);   color: var(--cyan); }
.tag-panel2    { background: rgba(230,51,41,0.1);   color: var(--rouge); }
.tag-panel3    { background: rgba(16,185,129,0.1);  color: #059669; }
.tag-usecase   { background: rgba(15,28,77,0.1);    color: var(--bleu-dark); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 640px) {
  .page-hero {
    background:
      linear-gradient(135deg, rgba(15,28,77,0.68) 0%, rgba(27,43,107,0.58) 50%, rgba(36,53,128,0.65) 100%),
      url('../imges/hero/intervenants_mobel.png') center center / cover no-repeat;
  }
}

@media (max-width: 1100px) {
  .speakers-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .speakers-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .speakers-filters {
    gap: 8px;
  }

  .filter-tag {
    font-size: 0.8rem;
    padding: 7px 15px;
  }
}

@media (max-width: 480px) {
  .speakers-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin: 0 auto;
  }
}