/* ============================================
   STYLES PORTFOLIO — Filtres, Modal, Carousel, Lightbox
   ============================================ */

/* --- Hero compact (page intérieure) --- */
.hero--compact {
  min-height: auto;
  padding: calc(72px + var(--space-lg)) 0 var(--space-lg);
}

.hero--compact .hero__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-xs);
}

.hero--compact .hero__subtitle {
  font-size: var(--text-base);
  margin-bottom: var(--space-md);
}

/* --- Breadcrumb inside hero --- */
.hero .breadcrumb {
  color: var(--color-gray-400);
  margin-bottom: var(--space-md);
}

.hero .breadcrumb a {
  color: var(--color-gray-300);
}

.hero .breadcrumb a:hover {
  color: var(--color-accent);
}

.hero .breadcrumb__separator {
  color: var(--color-gray-500);
}

.hero .breadcrumb__current {
  color: var(--color-white);
}

/* --- Filter bar --- */
.filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  padding: 0.625rem 1.5rem;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-gray-600);
  background: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-btn.active {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

/* --- Portfolio grid animation --- */
.portfolio-card {
  transition: opacity var(--transition-base), transform var(--transition-base);
}

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

.portfolio-card.fade-out {
  opacity: 0;
  transform: scale(0.95) translateY(10px);
}

.portfolio-card.fade-in {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* --- Card link wrapper --- */
.card__link-wrapper {
  display: block;
  cursor: pointer;
}

.card__link-wrapper:hover .card {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

/* --- Project modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  overflow-y: auto;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: relative;
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow-y: auto;
  overflow-x: hidden;
  transform: none;
  transition: none;
  box-shadow: var(--shadow-xl);
}

.modal-overlay.active .modal {
  transform: none;
}

.modal__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  color: var(--color-white);
  border-radius: 50%;
  z-index: 10;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.modal__close:hover {
  background: var(--color-accent);
  transform: scale(1.1);
}

.modal__close svg {
  width: 20px;
  height: 20px;
}

/* --- Modal carousel --- */
.modal__carousel {
  position: relative;
  width: 100%;
  background: var(--color-light);
  overflow: hidden;
}

.modal__carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.carousel__slide {
  width: 100%;
  min-width: 100%;
  flex-shrink: 0;
  overflow: hidden;
}

.carousel__slide img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  cursor: pointer;
}

.modal__carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-off-white);
  color: var(--color-primary);
  border-radius: 50%;
  cursor: pointer;
  transition: opacity 0.2s ease, background 0.2s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  z-index: 5;
  opacity: 0;
}

.modal__carousel:hover .modal__carousel-btn:not(:disabled) {
  opacity: 1;
}

.modal__carousel-btn:hover {
  background: var(--color-gray-100);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.modal__carousel-btn:disabled {
  opacity: 0 !important;
  pointer-events: none;
}

.modal__carousel-btn--prev {
  left: var(--space-md);
}

.modal__carousel-btn--next {
  right: var(--space-md);
}

.modal__carousel-btn svg {
  width: 20px;
  height: 20px;
}

.modal__carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 14px 0;
  background: var(--color-white);
}

.carousel__dot {
  width: 10px;
  height: 10px;
  padding: 0;
  min-width: 44px;
  min-height: 44px;
  background: transparent;
  border: none;
  border-radius: 0;
  cursor: pointer;
  position: relative;
}

.carousel__dot::after {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gray-200);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: background 0.25s ease, transform 0.25s ease;
}

.carousel__dot.is-active::after {
  background: var(--color-primary);
  transform: translate(-50%, -50%) scale(1.25);
}

.carousel__dot:hover:not(.is-active)::after {
  background: var(--color-gray-400);
}

/* --- Lightbox (zoom plein écran) --- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__img {
  max-width: min(70vw, 1100px);
  max-height: 90vh;
  width: auto;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
  transform: scale(0.95);
  transition: transform 0.3s ease;
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

.lightbox.is-open .lightbox__img {
  transform: scale(1);
}

.lightbox__close {
  position: absolute;
  top: 16px;
  right: 20px;
  width: 44px;
  height: 44px;
  border: none;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  color: var(--color-gray-700);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  z-index: 2001;
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-gray-700);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  z-index: 2001;
}

.lightbox__arrow:hover {
  background: var(--color-white);
}

.lightbox__arrow:disabled {
  opacity: 0;
  pointer-events: none;
}

.lightbox__arrow--left { left: 24px; }
.lightbox__arrow--right { right: 24px; }

/* --- Modal content --- */
.modal__content {
  padding: var(--space-xl);
}

.modal__header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.modal__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.modal__sector {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
}

.modal__year {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
}

.modal__title {
  font-size: var(--text-2xl);
  color: var(--color-primary);
}

.modal__techs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
  align-self: flex-start;
  padding-top: var(--space-xs);
}

.modal__tech {
  padding: 0.3rem 0.7rem;
  background: var(--color-off-white);
  color: var(--color-gray-600);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  border-radius: var(--radius-sm);
}

/* --- Modal sections --- */
.modal__sections {
  display: grid;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.modal__section {
  padding: var(--space-lg);
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
}

.modal__section-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
}

.modal__section-icon svg {
  width: 20px;
  height: 20px;
}

.modal__section-title {
  font-size: var(--text-md);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.modal__section-text {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
}

/* --- Modal metrics --- */
.modal__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.modal__metric {
  text-align: center;
  padding: var(--space-md);
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
}

.modal__metric-value {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-extrabold);
  color: var(--color-accent);
  line-height: 1;
}

.modal__metric-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  margin-top: var(--space-2xs);
}

/* --- Modal footer / actions --- */
.modal__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-gray-100);
}

.modal__nav {
  display: flex;
  gap: var(--space-sm);
}

.modal__nav-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-gray-600);
  background: var(--color-off-white);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.modal__nav-btn:hover {
  background: var(--color-gray-100);
  color: var(--color-primary);
}

.modal__nav-btn svg {
  width: 16px;
  height: 16px;
}

/* --- Noscript fallback --- */
.noscript-notice {
  padding: var(--space-md);
  background: var(--color-accent-light);
  color: var(--color-accent);
  text-align: center;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

/* --- Empty state --- */
.portfolio-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-2xl);
  color: var(--color-gray-400);
}

.portfolio-empty svg {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  opacity: 0.5;
}

/* Body overflow lock when modal is open */
body.modal-open {
  overflow: hidden;
}

/* --- Page hero (sous-pages) --- */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding: var(--space-2xl) 0;
  text-align: center;
}

.page-hero__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.page-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-300);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .modal__carousel-btn {
    opacity: 1 !important;
    width: 36px;
    height: 36px;
  }

  .modal__carousel-btn:disabled {
    opacity: 0 !important;
  }

  .lightbox__img {
    max-width: 95vw;
  }
}

@media (max-width: 640px) {
  .modal__content {
    padding: var(--space-lg);
  }

  .modal__header {
    flex-direction: column;
  }

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

  .modal__footer {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .modal__nav {
    justify-content: center;
  }
}