/* Case Studies & Horizontal Slider Styles */

/* Lazy Image Loading Animation */
img[data-lazy-src] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

img.lazy-loading {
    opacity: 0;
}

img.lazy-loaded {
    opacity: 1;
    transform: translateY(0);
}

img.lazy-error {
    opacity: 0.5;
}

/* Loading Spinner for images */
.image-loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border: 2px solid var(--color-text-primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spinner-rotate 0.8s linear infinite;
    opacity: 0.3;
    pointer-events: none;
    z-index: 10;
}

@keyframes spinner-rotate {
    to {
        transform: rotate(360deg);
    }
}

.horizontal-slider {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    /* Transparent background so body color shows through */
    background: transparent;
    z-index: 10; /* Ensure above tint */
}

.horizontal-slider-track {
    display: flex;
    height: 100%;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
}

.horizontal-slide {
    min-width: 100%;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    box-sizing: border-box;
    position: relative;
}

/* Slide Content Types */
.slide-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    animation: slideContentFadeIn 0.6s ease-out;
    position: relative;
    /* Smooth scaling transition - Matched timing with Sidebar opacity */
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
    transform-origin: center center;
}

/* Scale down when navigation is visible to prevent overlap */
/* Only affect fullscreen views (Image, Video), NOT mockups/devices */
/* Only on desktop */
@media (min-width: 769px) {
    body.nav-visible .slide-content.slide-image,
    body.nav-visible .slide-content.slide-video {
        /* Scale down further (0.8) and shift right slightly to clear sidebar */
        transform: scale(0.8) translateX(100px);
        opacity: 1 !important; /* Ensure content stays fully visible */
    }
}

@keyframes slideContentFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Overview Slide */
.slide-overview {
    max-width: 900px;
    padding: 60px;
    padding-top: 300px;
    z-index: 10;
    text-align: center;
}

.slide-title {
    font-size: 88px;
    font-weight: 900;
    line-height: 1.0;
    letter-spacing: -0.03em;
    margin-bottom: 32px;
    color: var(--color-text-primary);
    text-transform: uppercase;
}

.slide-overview .slide-description {
    font-size: 18px;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin: 0 auto;
    text-align: center;
    max-width: 700px;
}

.slide-title-image {
    display: block;
    margin: 30px auto 0;
    max-width: 450px;
    width: 100%;
    height: auto;
    object-fit: contain;
}

/* Image Slide */
.slide-image {
    align-items: center;
    justify-content: center;
    padding: 0;
}

.slide-image-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

/* 
 * Fullscreen Image Mode - Edge to Edge
 * This affects standalone image slides (not inside mockups)
 */
.slide-image-element {
    width: auto;
    height: auto;
    max-width: 85%;
    max-height: 85%;
    display: block;
    padding: 0; 
    box-sizing: border-box;
    /* Big outer glow/shadow for depth */
    box-shadow: 0 20px 100px rgba(0, 0, 0, 0.5);
    border-radius: 4px; /* Slight radius for polish */
    opacity: 1; /* Ensure full opacity */
}

/* Allow caption to overlap if needed, or push up content */
.slide-caption {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-text-primary);
    font-size: 16px;
    text-align: center;
    background: rgba(0, 0, 0, 0.6);
    padding: 12px 24px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    max-width: 80%;
    z-index: 10;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .slide-image-element {
        max-width: 95%;
        max-height: 95%;
    }
}
    transform: translateX(-50%);
    text-align: center;
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
    backdrop-filter: blur(10px);
    padding: 12px 24px;
    border-radius: 24px;
    z-index: 10;
    max-width: 80%;
}

/* Video Slide */
.slide-video {
    align-items: center;
}

.slide-video-container {
    width: 100%;
    max-height: 85vh; /* Increased from 70vh to match image slides */
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    background: var(--color-bg-primary);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.slide-video-element {
    width: 100%;
    height: auto;
    max-height: 85vh; /* Increased from 70vh to match image slides */
    display: block;
}

/* Text Slide (for About, etc.) */
.slide-text {
    max-width: 900px;
    padding: 60px;
    text-align: center;
}

.slide-text.has-title-image {
    padding-top: 300px;
}

.slide-text .slide-title {
    font-size: 88px;
    font-weight: 900;
    line-height: 1.0;
    letter-spacing: -0.03em;
    margin-bottom: 32px;
    color: var(--color-text-primary);
    text-transform: uppercase;
}

.slide-text-content {
    font-size: 18px;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin: 0 auto;
    text-align: center;
    max-width: 700px;
}

.slide-text-content .contact-links {
    display: inline-block;
    white-space: nowrap;
}

.slide-text-content .contact-links a {
    color: var(--color-text-secondary);
    text-decoration: underline;
    transition: opacity 0.2s ease;
}

.slide-text-content .contact-links a:hover {
    opacity: 0.7;
}

/* Mockup Slide */
.slide-mockup {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

/* Controls */
.horizontal-slider-controls {
    position: fixed;
    bottom: 24px; /* Closer to the bottom edge */
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 24px;
    /* Transparent container to match UI layer style */
    padding: 0;
    background: transparent;
    backdrop-filter: none;
    border-radius: 0;
    border: none;
    box-shadow: none;
    z-index: 1000;
    
    /* Allow layout always, but click-through when hidden */
    pointer-events: none;
}

/* Children visibility managed separately */

.slider-nav {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Match theme toggle style */
    background: transparent;
    border: none;
    border-radius: 50%;
    color: var(--color-text-primary);
    font-size: 24px;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: none;
    
    /* Default visible at 25% like indicators */
    opacity: 0.25;
    pointer-events: auto; /* Allow interaction */
}

/* Show buttons fully when nav is visible */
body.nav-visible .slider-nav {
    opacity: 1;
}

.slider-nav:hover:not(:disabled) {
    background: transparent;
    transform: scale(1.05);
    color: var(--color-text-primary);
    box-shadow: none;
    /* Increase opacity on hover even if UI is hidden */
    opacity: 1 !important; 
}

.slider-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    background: transparent;
    color: var(--color-text-tertiary);
    box-shadow: none;
}

.slider-indicators {
    display: flex;
    gap: 8px;
    align-items: center;
    /* Add a subtle background for indicators since they might be hard to see on complex images */
    background: transparent;
    padding: 8px 16px;
    border-radius: 20px;
    box-shadow: none;
    
    /* Default visible at 25% */
    opacity: 0.25;
    pointer-events: auto; /* Allow interaction if user targets it specifically */
    transition: opacity 0.3s ease;
}

/* Full opacity when nav is visible */
body.nav-visible .slider-indicators {
    opacity: 1;
}

.slider-indicator {
    width: 8px;
    height: 8px;
    background: var(--color-text-primary); /* Solid fill */
    border: none; /* No ring/border */
    border-radius: 50%;
    padding: 0;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0.5; /* Dimmer for inactive */
    box-sizing: border-box;
}

.slider-indicator:hover {
    transform: scale(1.2);
    opacity: 0.8;
}

.slider-indicator.active {
    width: 24px; /* Pill shape - wider */
    height: 8px;
    border-radius: 4px; /* Pill corners */
    background: var(--color-text-primary);
    opacity: 1; /* Full opacity for active */
    transform: scale(1);
}

/* Swipe Hint - Hidden */
.horizontal-slider-hint {
    display: none;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .horizontal-slider-controls {
        bottom: 74px;
        gap: 16px;
    }

    .slide-title,
    .slide-text .slide-title {
        font-size: 40px;
        line-height: 1.1;
        margin-bottom: 20px;
        word-wrap: break-word; /* Ensure long words break */
    }

    .slide-text {
        padding: 24px;
        width: 100%;
    }
    
    .slide-text.has-title-image {
        padding-top: 150px;
    }

    .slide-overview {
        padding: 24px;
        padding-top: 150px;
    }

    .slide-overview .slide-description,
    .slide-text-content {
        font-size: 14px;
        line-height: 1.5;
    }
    
    .slide-title-image {
        margin-top: 20px;
        max-width: 300px;
    }
    
    /* On mobile, maybe keep them visible or let them fade? 
       For now, following desktop logic as requested. */
}

/* Dark Mode - styling handled by CSS variables, removing manual overrides */
[data-theme="dark"] .horizontal-slider-controls,
[data-theme="dark"] .horizontal-slider-hint {
    background: transparent;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .horizontal-slider-track {
        transition: none;
    }

    .slide-hint i,
    .horizontal-slider-hint i {
        animation: none;
    }

    @keyframes slideContentFadeIn {
        from, to {
            opacity: 1;
            transform: none;
        }
    }
}