/**
 * ============================================================================
 * GALLERY CAROUSEL COMPONENT
 * Priya Glam Studio & Academy
 * ============================================================================
 *
 * Responsive homepage gallery carousel.
 * Uses frontend design-system tokens from base/variables.css.
 * ============================================================================
 */

/* ============================================================================
   WRAPPER
   ============================================================================ */

.gallery-carousel-wrapper {
    position: relative;

    width: 100%;
    padding-inline: 3.5rem;
}


/* ============================================================================
   VIEWPORT / TRACK
   ============================================================================ */

.gallery-carousel-container {
    position: relative;

    overflow: hidden;

    scroll-behavior: smooth;
}

.gallery-carousel-track {
    display: flex;
    gap: 2rem;

    will-change: transform;

    transition: transform var(--transition-slow);
}

.gallery-carousel-item {
    flex: 0 0 100%;
    min-width: 0;
}


/* ============================================================================
   CARD
   ============================================================================ */

.gallery-card {
    position: relative;

    height: 100%;

    overflow: hidden;

    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);

    box-shadow: var(--shadow-md);

    transition:
        transform var(--transition-base),
        box-shadow var(--transition-base),
        border-color var(--transition-base);
}

.gallery-card:hover {
    transform: translateY(-8px);

    border-color: var(--color-border-primary);

    box-shadow: var(--shadow-xl);
}


/* ============================================================================
   IMAGE
   ============================================================================ */

.gallery-image-wrapper {
    position: relative;

    width: 100%;
    aspect-ratio: 3 / 4;

    overflow: hidden;

    background:
        linear-gradient(
            135deg,
            var(--color-neutral-50) 0%,
            var(--color-neutral-100) 100%
        );
}

.gallery-image-wrapper::after {
    content: "";

    position: absolute;
    inset: 0;
    z-index: 3;

    pointer-events: none;

    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: inherit;
}

.gallery-image {
    position: relative;
    z-index: 1;

    display: block;

    width: 100%;
    height: 100%;

    object-fit: cover;
    object-position: center;

    transition: transform var(--transition-slow);
}

.gallery-card:hover .gallery-image {
    transform: scale(1.08);
}


/* ============================================================================
   OVERLAY
   ============================================================================ */

.gallery-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;

    display: flex;
    align-items: flex-end;

    padding: 2rem;

    background:
        linear-gradient(
            180deg,
            rgba(28, 25, 23, 0.04) 0%,
            rgba(28, 25, 23, 0.20) 50%,
            rgba(28, 25, 23, 0.88) 100%
        );

    opacity: 0;

    transition: opacity var(--transition-base);
}

.gallery-card:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay-content {
    width: 100%;

    transform: translateY(1.5rem);

    transition: transform var(--transition-base);
}

.gallery-card:hover .gallery-overlay-content {
    transform: translateY(0);
}

.gallery-overlay-content h3 {
    margin: 0;

    color: #ffffff;

    font-size: 1.25rem;
    line-height: 1.35;
}


/* ============================================================================
   NAVIGATION BUTTONS
   ============================================================================ */

.gallery-nav-btn {
    position: absolute;
    top: 50%;
    z-index: 10;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: 3.5rem;
    height: 3.5rem;
    padding: 0;

    transform: translateY(-50%);

    background: rgba(255, 255, 255, 0.96);
    color: var(--color-primary-600);

    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-full);

    box-shadow: var(--shadow-lg);
    backdrop-filter: var(--backdrop-blur-sm);
    -webkit-backdrop-filter: var(--backdrop-blur-sm);

    font-size: 1.375rem;

    cursor: pointer;

    opacity: 0;

    transition:
        opacity var(--transition-fast),
        transform var(--transition-fast),
        background-color var(--transition-fast),
        color var(--transition-fast),
        box-shadow var(--transition-fast);
}

.gallery-carousel-wrapper:hover .gallery-nav-btn,
.gallery-nav-btn:focus-visible {
    opacity: 1;
}

.gallery-nav-btn:hover {
    transform: translateY(-50%) scale(1.08);

    background: var(--color-primary-600);
    color: #ffffff;

    box-shadow: var(--shadow-rose);
}

.gallery-nav-btn:active {
    transform: translateY(-50%) scale(1.02);
}

.gallery-nav-prev {
    left: 0;
}

.gallery-nav-next {
    right: 0;
}


/* ============================================================================
   DOTS
   ============================================================================ */

.gallery-carousel-dots {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;

    margin-top: 2.25rem;
    padding-block: 0.75rem;
}

.gallery-dot {
    width: 0.625rem;
    height: 0.625rem;
    padding: 0;

    background: var(--color-neutral-300);

    border: 0;
    border-radius: var(--radius-full);

    cursor: pointer;

    transition:
        width var(--transition-base),
        transform var(--transition-fast),
        background-color var(--transition-fast);
}

.gallery-dot:hover {
    transform: scale(1.2);
    background: var(--color-primary-400);
}

.gallery-dot.active {
    width: 2.5rem;

    background: var(--color-primary-600);

    border-radius: var(--radius-full);
}


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

.gallery-carousel-wrapper:hover .gallery-carousel-track {
    animation-play-state: paused !important;
}


/* ============================================================================
   RESPONSIVE
   ============================================================================ */

@media (min-width: 640px) and (max-width: 1023px) {
    .gallery-carousel-item {
        flex: 0 0 calc(50% - 0.75rem);
    }
}

@media (min-width: 1024px) and (max-width: 1279px) {
    .gallery-carousel-item {
        flex: 0 0 calc(33.333% - 1rem);
    }

    .gallery-overlay-content h3 {
        font-size: 1.375rem;
    }
}

@media (min-width: 1280px) {
    .gallery-carousel-item {
        flex: 0 0 calc(25% - 1.5rem);
    }

    .gallery-overlay-content h3 {
        font-size: 1.5rem;
    }
}

@media (min-width: 1536px) {
    .gallery-image-wrapper {
        aspect-ratio: 2 / 3;
    }
}

@media (max-width: 767px) {
    .gallery-carousel-wrapper {
        padding-inline: 2.75rem;
    }

    .gallery-carousel-track {
        gap: 1.25rem;
    }

    .gallery-card:hover {
        transform: none;
    }

    .gallery-overlay {
        padding: 1.25rem;

        opacity: 1;

        background:
            linear-gradient(
                180deg,
                rgba(28, 25, 23, 0) 35%,
                rgba(28, 25, 23, 0.78) 100%
            );
    }

    .gallery-overlay-content {
        transform: none;
    }

    .gallery-nav-btn {
        width: 2.75rem;
        height: 2.75rem;

        opacity: 1;

        font-size: 1.125rem;
    }

    .gallery-carousel-dots {
        margin-top: 1.75rem;
    }
}

@media (max-width: 479px) {
    .gallery-carousel-wrapper {
        padding-inline: 2.25rem;
    }

    .gallery-nav-btn {
        width: 2.5rem;
        height: 2.5rem;

        font-size: 1rem;
    }
}


/* ============================================================================
   ACCESSIBILITY
   ============================================================================ */

.gallery-nav-btn:focus-visible,
.gallery-dot:focus-visible {
    outline: 2px solid var(--focus-color);
    outline-offset: var(--focus-offset);
}

@media (prefers-contrast: high) {
    .gallery-card {
        border: 2px solid currentColor;
    }

    .gallery-overlay {
        background:
            linear-gradient(
                180deg,
                transparent 20%,
                rgba(0, 0, 0, 0.96) 100%
            );
    }
}

@media (prefers-reduced-motion: reduce) {
    .gallery-carousel-track,
    .gallery-card,
    .gallery-image,
    .gallery-overlay,
    .gallery-overlay-content,
    .gallery-nav-btn,
    .gallery-dot {
        transition: none;
        animation: none;
    }

    .gallery-card:hover,
    .gallery-card:hover .gallery-image,
    .gallery-nav-btn:hover,
    .gallery-nav-btn:active {
        transform: none;
    }
}