/* ============================================================================
 * Cabinet Dentaire Gloria — Components CSS (Task 2.4 / Phase 2)
 * Carousel + Lightbox + Accordion
 * Tokens consommes : var(--color-*), var(--sp-*), var(--r-*), var(--tx-*)
 * ============================================================================ */

/* === CAROUSEL ============================================================== */

.carousel {
    position: relative;
}

.carousel__track {
    position: relative;
    min-height: 200px;
}

[data-slide] {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 600ms ease;
}

[data-slide].is-active {
    opacity: 1;
    pointer-events: auto;
    position: relative;
}

.carousel__dots {
    display: flex;
    justify-content: center;
    gap: var(--sp-2);
    margin-top: var(--sp-5);
    padding: 0;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    padding: 0;
    border-radius: 50%;
    background: rgba(30, 58, 95, 0.2);
    border: 0;
    cursor: pointer;
    transition: background var(--tx-fast), transform var(--tx-fast);
}

.carousel-dot:hover {
    background: rgba(30, 58, 95, 0.4);
}

.carousel-dot.is-active {
    background: var(--color-gold);
    transform: scale(1.2);
}

.carousel-dot:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

.carousel__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--color-beige);
    color: var(--color-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
    line-height: 1;
    transition: background var(--tx-fast), border-color var(--tx-fast), transform var(--tx-fast);
    z-index: 2;
}

.carousel__nav:hover {
    background: var(--color-white);
    border-color: var(--color-gold);
    transform: translateY(-50%) scale(1.05);
}

.carousel__nav:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

.carousel__nav--prev { left: -24px; }
.carousel__nav--next { right: -24px; }

@media (max-width: 640px) {
    .carousel__nav--prev { left: 8px; }
    .carousel__nav--next { right: 8px; }
}

/* === LIGHTBOX ============================================================== */

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(15, 30, 51, 0.95);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--sp-5);
}

.lightbox.is-open {
    display: flex;
}

.lightbox__content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-3);
}

.lightbox__img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: var(--r-md);
    display: block;
}

.lightbox__caption {
    color: var(--color-white);
    font-size: 14px;
    margin: 0;
    text-align: center;
    max-width: 600px;
}

.lightbox__counter {
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
    margin: 0;
    font-variant-numeric: tabular-nums;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
    position: absolute;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: transparent;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    color: var(--color-white);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    transition: background var(--tx-fast), border-color var(--tx-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--color-white);
}

.lightbox__close:focus-visible,
.lightbox__prev:focus-visible,
.lightbox__next:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

.lightbox__close {
    top: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    font-size: 20px;
}

.lightbox__prev {
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox__next {
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
}

@media (max-width: 640px) {
    .lightbox__prev { left: 8px; }
    .lightbox__next { right: 8px; }
    .lightbox__close { top: 12px; right: 12px; }
}

/* === ACCORDION ============================================================= */

.accordion__item {
    border-bottom: 1px solid var(--color-beige);
    padding: var(--sp-5) 0;
}

.accordion__trigger {
    width: 100%;
    text-align: left;
    background: transparent;
    border: 0;
    font-family: inherit;
    font-size: 17px;
    font-weight: 600;
    color: var(--color-navy);
    padding: 0 40px 0 0;
    position: relative;
    cursor: pointer;
    line-height: 1.4;
}

.accordion__trigger:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
    border-radius: var(--r-sm);
}

.accordion__trigger::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%) rotate(0deg);
    color: var(--color-gold);
    font-size: 24px;
    font-weight: 300;
    transition: transform var(--tx-fast);
}

.accordion__trigger[aria-expanded="true"]::after {
    transform: translateY(-50%) rotate(45deg);
}

.accordion__panel {
    padding-top: var(--sp-4);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text-medium);
    max-width: 700px;
}

.accordion__panel[hidden] {
    display: none;
}

/* === WHATSAPP FAB =========================================================== */
.whatsapp-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-whatsapp);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    z-index: 90;
    transition: transform var(--tx-fast), box-shadow var(--tx-fast);
    text-decoration: none;
}
.whatsapp-fab:hover,
.whatsapp-fab:focus-visible {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
    outline: none;
}
.whatsapp-fab svg {
    width: 28px;
    height: 28px;
    display: block;
}

/* === STICKY CTA MOBILE ===================================================== */
.sticky-cta-mobile {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-top: 1px solid var(--color-beige);
    display: flex;
    z-index: 89;
    padding: 8px;
    gap: 8px;
    box-shadow: 0 -4px 12px rgba(30, 58, 95, 0.08);
}
.sticky-cta-mobile[hidden] {
    display: none;
}

.sticky-cta-mobile__btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 4px;
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-strong);
    background: var(--color-cream);
    border: 1px solid var(--color-beige);
    border-radius: var(--r-sm);
    text-decoration: none;
    transition: background var(--tx-fast), color var(--tx-fast);
}
.sticky-cta-mobile__btn svg {
    color: var(--color-gold);
    flex-shrink: 0;
}
.sticky-cta-mobile__btn:hover {
    background: var(--color-sand);
}
.sticky-cta-mobile__btn--primary {
    background: var(--color-gold);
    border-color: var(--color-gold);
    color: var(--color-navy);
}
.sticky-cta-mobile__btn--primary svg {
    color: var(--color-navy);
}
.sticky-cta-mobile__btn--primary:hover {
    background: var(--color-gold-deep);
    border-color: var(--color-gold-deep);
}

/* Visible mobile uniquement */
@media (min-width: 768px) {
    .sticky-cta-mobile { display: none !important; }
}

/* En mobile : decaler le WhatsApp FAB au-dessus du sticky CTA */
@media (max-width: 767px) {
    .whatsapp-fab {
        bottom: 80px;
        right: 16px;
    }
}