/* ===================================================
   PAGE LINE UP — Gertrude Festival 2026
   Palette : #00007C · #000026 · #FFDE00 · #FEC00E
             #EF5CA1 · #ED0980 · #83F379 · #2AC255
   =================================================== */

/* ── HERO ────────────────────────────────────────── */
.lineup-hero {
  position: relative;
  min-height: 68vh; /* les artistes restent visibles sous la ligne de flottaison */
  background: #000026;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 0 6vw 8vh;
}

.lineup-hero .arches-container {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.lineup-hero .hero-arches {
  width: 100%;
  height: 100%;
}

.lineup-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(0, 0, 38, 0.80) 0%,
    rgba(0, 0, 38, 0.40) 45%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 1;
}

.lineup-hero .hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
}

.lineup-hero .hero-eyebrow {
  font-family: 'Roboto Flex', system-ui, sans-serif;
  font-weight: 600;
  font-size: clamp(0.68rem, 1.3vw, 0.82rem);
  letter-spacing: .3em;
  text-transform: uppercase;
  color: #FEC00E;
  margin-bottom: 18px;
}

.lineup-hero .hero-title {
  font-family: 'Classica', Georgia, serif;
  font-weight: 700;
  font-size: clamp(4.5rem, 13vw, 11rem);
  line-height: 0.85;
  letter-spacing: .01em;
  text-transform: uppercase;
  color: #FFDE00;
  margin-bottom: 24px;
}

.lineup-hero .hero-title .line2 {
  display: block;
  margin-left: clamp(2rem, 10vw, 8rem);
  margin-top: -0.06em;
}

.lineup-hero .hero-sub {
  font-family: 'Classica', sans-serif;
  font-weight: 400;
  font-size: clamp(0.8rem, 1.6vw, 1.1rem);
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72); /* contraste AA sur fond navy */
}

/* ── SECTION PRINCIPALE ──────────────────────────── */
.lineup-section {
  background: #fff;
  padding: 80px 6vw 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}

/* ── ZONE ADMIN ──────────────────────────────────── */
.btn-add {
  background: #00007C;
  color: #FFDE00;
  border: none;
  padding: 12px 20px;
  font-weight: 700;
  font-family: 'Classica', sans-serif;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 4px;
}

.btn-add:hover {
  background: #000026;
}

/* ── GRILLE ARTISTES ─────────────────────────────── */
.lineup-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 22px;
  width: 100%;
  max-width: 1000px;
}

/* ── FLIP CARD ───────────────────────────────────── */
/* Même langage visuel que les cartes de l'accueil : arrondis, ombre, lift */
.flip-card {
  aspect-ratio: 3 / 4;
  cursor: pointer;
  perspective: 1000px;
  border-radius: 16px;
  box-shadow: 0 6px 20px rgba(0, 0, 38, 0.12);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.flip-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 50px rgba(0, 0, 38, 0.28);
}

.flip-card:focus-visible {
  outline: 3px solid #00007C;
  outline-offset: 3px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.flip-card-inner.flipped {
  transform: rotateY(180deg);
}

.flip-card-clone {
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.65);
  cursor: pointer;
}

.flip-card-clone:hover .lineup-image {
  transform: none !important;
}

.flip-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 38, 0.78);
  z-index: 899;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.flip-backdrop.active {
  opacity: 1;
  pointer-events: all;
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  overflow: hidden;
  border-radius: 16px;
}

.flip-card-back {
  transform: rotateY(180deg);
}

.lineup-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.flip-card:hover .flip-card-inner:not(.flipped) .lineup-image {
  transform: scale(1.04);
}

/* ── OVERLAY ARTISTE ─────────────────────────────── */
.lineup-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 60px 20px 0;
  background: linear-gradient(to top, rgba(0, 0, 38, 0.92) 0%, transparent 100%);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.lineup-time {
  font-family: 'Classica', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  color: #FFDE00;
  letter-spacing: 4px;
  padding-bottom: 20px;
}

/* ── BOUTON SUPPRIMER ────────────────────────────── */
.delete-form {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 5;
}

.delete-form button {
  background: rgba(237, 9, 128, 0.85);
  border: none;
  padding: 5px 10px;
  color: white;
  font-family: 'Classica', sans-serif;
  font-size: 0.75rem;
  cursor: pointer;
  transition: background 0.2s;
}

.delete-form button:hover {
  background: #ED0980;
}

/* ── CTA BILLETS (même barre verte que l'accueil) ── */
.lineup-cta-btn {
  display: block;
  width: 100%;
  max-width: 1000px;
  padding: 30px;
  border-radius: 18px;
  background: #83F379;
  color: #00007C;
  font-size: clamp(1.05rem, 2.4vw, 1.5rem);
  font-weight: 700;
  font-family: 'Classica', Georgia, serif;
  letter-spacing: .16em;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 0.25s, transform 0.2s;
}

.lineup-cta-btn:hover {
  background: #2AC255;
  transform: translateY(-2px);
}

.lineup-cta-btn:focus-visible {
  outline: 3px solid #00007C;
  outline-offset: 3px;
}

/* ── RESPONSIVE ──────────────────────────────────── */
@media (max-width: 1024px) {
  .lineup-hero {
    min-height: 60vh;
    padding: 0 6vw 6vh;
  }

  .lineup-hero .hero-title {
    font-size: clamp(3.5rem, 16vw, 6rem);
  }

  .lineup-hero .hero-title .line2 {
    margin-left: clamp(1.5rem, 8vw, 4rem);
  }

  .lineup-section {
    padding: 60px 5vw 80px;
  }

  .lineup-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}

@media (max-width: 480px) {
  .lineup-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .lineup-cta-btn {
    padding: 22px 24px;
    font-size: 0.9rem;
    letter-spacing: 3px;
  }
}

/* ── Mouvement réduit : on coupe les animations décoratives ── */
@media (prefers-reduced-motion: reduce) {
  /* Le flip reste fonctionnel mais devient instantané
     (!important : prime sur les transitions posées en inline par flip-card.js) */
  .flip-card,
  .flip-card-inner,
  .flip-card-clone,
  .flip-backdrop,
  .lineup-image {
    transition: none !important;
  }
}