/* ============================================================
   HBT Design — Page d'accueil
   ============================================================ */

/* ── Hero ── */
.hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 64px;
  min-height: 100vh;
  padding: calc(var(--navbar-h) + 60px) 32px 80px;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Accroche centrée */
.hero__top {
  display: flex;
  justify-content: center;
}

/* ── Titre arc-en-ciel animé ── */
.hero__title {
  font-size: clamp(32px, 5vw, 68px);
  line-height: 1.1;
  background: var(--holo-ring);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: holo-title 6s linear infinite;
}

@keyframes holo-title {
  0%   { filter: hue-rotate(0deg)   drop-shadow(0 0 28px rgba(255,200,0,0.5)); }
  50%  { filter: hue-rotate(180deg) drop-shadow(0 0 42px rgba(0,180,255,0.6)); }
  100% { filter: hue-rotate(360deg) drop-shadow(0 0 28px rgba(255,200,0,0.5)); }
}

/* Texte centré */
.hero__text {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 22px;
  max-width: 960px;
  width: 100%;
}

.hero__subtitle {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  line-height: 1.75;
}
.hero__subtitle strong { color: #fff; font-weight: 600; }

.hero__ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 6px;
}

/* ── 4 Arguments (dans le hero) ── */
.args-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.arg-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  padding: 32px 20px;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.07);
  transition: border-color var(--transition), background var(--transition);
}
.arg-card:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.14);
}
.arg-card__icon {
  width: 64px;
  height: 64px;
  color: #FFD700;
  flex-shrink: 0;
}
.arg-card__icon svg {
  width: 100%;
  height: 100%;
}
.arg-card__title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text);
  line-height: 1.3;
}
.arg-card__desc {
  font-size: 13px;
  color: #fff;
  line-height: 1.75;
}

/* ── Réseaux sociaux (Contact) ── */
.contact-socials {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}
.contact-social__link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color var(--transition);
}
.contact-social__link:hover { color: #FFD700; }
.contact-social__link svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* Centrage du lien "voir toute la galerie" */
.mt-galerie { text-align: center; margin-top: 32px; }

/* ── Galerie carrousel ── */
.section-galerie {
  padding: 72px 0;
}
.section-galerie .container { overflow: hidden; }

.carousel {
  position: relative;
  overflow: hidden;
}
.carousel__track {
  display: flex;
  gap: 16px;
  transition: transform 0.5s ease;
}
.carousel__slide {
  flex: 0 0 calc(33.333% - 11px);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  background: var(--bg-card);
  aspect-ratio: 4/3;
  cursor: pointer;
}
/* Bordure holo sur chaque slide */
.carousel__slide::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius) + 1px);
  background: var(--holo);
  z-index: 0;
  opacity: 0;
  transition: opacity var(--transition);
}
.carousel__slide:hover::before { opacity: 0.7; }

.carousel__slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
  transition: transform 0.4s ease;
}
.carousel__slide:hover img { transform: scale(1.04); }

.carousel__caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
  padding: 24px 16px 12px;
  z-index: 2;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text);
}

.carousel__controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}
.carousel__btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text);
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background var(--transition);
}
.carousel__btn:hover { background: rgba(255,255,255,0.12); }
.carousel__dots { display: flex; gap: 6px; }
.carousel__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.30);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.carousel__dot.active {
  background: #FFD700;
  transform: scale(1.4);
}

/* ── Section Contact ── */
.section-contact {
  padding: 72px 0 80px;
}
.section-contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contact-intro h2 { font-size: clamp(24px, 3vw, 36px); margin-bottom: 12px; }
.contact-intro p { color: var(--text); font-size: 14px; line-height: 1.75; }

.contact-form { display: flex; flex-direction: column; gap: 14px; }
.contact-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form__feedback { display: none; }
.contact-form__feedback.visible { display: block; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero { padding-top: calc(var(--navbar-h) + 40px); }
  .args-grid { grid-template-columns: repeat(2, 1fr); }
  .carousel__slide { flex: 0 0 calc(50% - 8px); }
  .section-contact__inner { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 600px) {
  .carousel__slide { flex: 0 0 100%; }
  .contact-form__row { grid-template-columns: 1fr; }
  .hero { padding-left: 16px; padding-right: 16px; }
  .container { padding: 0 16px; }
  .args-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .arg-card { padding: 20px 14px; }
  .hero__title { font-size: clamp(32px, 9vw, 52px); }
}