/* ============================================================
   DM Marine - Styles personnalises
   ============================================================ */

/* Filigrane fond.webp */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('/assets/img/fond.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.04;
    z-index: -1;
    pointer-events: none;
}

/* Scroll fluide */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 5rem;
}

/* Animation d'entree des sections */
.section-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.section-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Bounce animation pour indicateur scroll */
@keyframes bounceDown {
    0%, 100% { transform: translateY(0) translateX(-50%); }
    50% { transform: translateY(12px) translateX(-50%); }
}

.scroll-indicator {
    animation: bounceDown 2s ease-in-out infinite;
}

/* Toast flash notification */
.flash-toast {
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.flash-toast.hiding {
    opacity: 0;
    transform: translateX(100px);
}

/* ============================================================
   Gallery Carousel
   ============================================================ */

.gallery-carousel {
    --carousel-gap: 1rem;
    --carousel-slide-width: 75%;
    --carousel-transition: 0.4s ease-out;
    position: relative;
}

.gallery-carousel__viewport {
    overflow: hidden;
    border-radius: 0.75rem;
}

.gallery-carousel__track {
    display: flex;
    gap: var(--carousel-gap);
    transition: transform var(--carousel-transition);
    will-change: transform;
    user-select: none;
    -webkit-user-select: none;
}

.gallery-carousel__track.is-dragging {
    transition: none;
}

.gallery-carousel__slide {
    flex: 0 0 var(--carousel-slide-width);
    min-width: 0;
    transition: opacity 0.3s ease-out, transform 0.3s ease-out;
    opacity: 0.4;
    transform: scale(0.92);
}

.gallery-carousel__slide.is-active {
    opacity: 1;
    transform: scale(1);
}

.gallery-carousel__card {
    position: relative;
    background: #fff;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    cursor: pointer;
    transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.gallery-carousel__card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.gallery-carousel__img {
    width: 100%;
    height: 16rem;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease-out;
}

.gallery-carousel__card:hover .gallery-carousel__img {
    transform: scale(1.05);
}

.gallery-carousel__caption {
    padding: 0.75rem;
    text-align: center;
    font-size: 0.875rem;
    color: rgba(43, 42, 41, 0.6);
}

/* Carousel arrows */
.gallery-carousel__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.9);
    color: #324B72;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    transition: background 0.2s ease, transform 0.2s ease, opacity 0.3s ease;
}

.gallery-carousel__arrow:hover {
    background: #fff;
    transform: translateY(-50%) scale(1.1);
}

.gallery-carousel__arrow:disabled {
    opacity: 0;
    cursor: default;
    pointer-events: none;
}

.gallery-carousel__arrow--prev { left: 0.5rem; }
.gallery-carousel__arrow--next { right: 0.5rem; }

/* Tablet: 2 visible */
@media (min-width: 640px) {
    .gallery-carousel {
        --carousel-slide-width: 48%;
    }
    .gallery-carousel__slide {
        opacity: 1;
        transform: scale(1);
    }
}

/* Desktop: 3 visible */
@media (min-width: 1024px) {
    .gallery-carousel {
        --carousel-slide-width: calc(33.333% - var(--carousel-gap) * 2 / 3);
    }
    .gallery-carousel__arrow--prev { left: -1.375rem; }
    .gallery-carousel__arrow--next { right: -1.375rem; }
}

/* ============================================================
   Fullscreen Lightbox
   ============================================================ */

.gallery-lightbox {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-out, visibility 0.3s ease-out;
}

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

.gallery-lightbox__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    cursor: pointer;
}

.gallery-lightbox__content {
    position: relative;
    z-index: 1;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.gallery-lightbox__img {
    max-width: 90vw;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 0.5rem;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

.gallery-lightbox__img.is-loaded {
    opacity: 1;
    transform: scale(1);
}

.gallery-lightbox__caption {
    color: #F9F4DC;
    text-align: center;
    margin-top: 1rem;
    font-size: 1rem;
    max-width: 600px;
}

.gallery-lightbox__counter {
    position: absolute;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(249, 244, 220, 0.7);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    z-index: 2;
}

.gallery-lightbox__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 2;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: #F9F4DC;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease;
    font-size: 1.5rem;
}

.gallery-lightbox__close:hover {
    background: rgba(255, 255, 255, 0.25);
}

.gallery-lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: #F9F4DC;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease;
    font-size: 1.5rem;
}

.gallery-lightbox__nav:hover {
    background: rgba(255, 255, 255, 0.25);
}

.gallery-lightbox__nav--prev { left: 1rem; }
.gallery-lightbox__nav--next { right: 1rem; }

body.lightbox-open {
    overflow: hidden;
}