/* ========================================
   PROJECT CASE STUDY STYLES
   ======================================== */

/* Import base variables from main styles */
@import url('../styles.css');

/* Project Page Layout */
body {
    padding-top: 80px;
}

.case-study-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

/* Back Navigation */
.back-nav {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-accent-cyan);
    text-decoration: none;
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    transition: var(--transition-fast);
}

.back-nav:hover {
    gap: var(--spacing-sm);
}

/* Project Header */
.project-header {
    margin-bottom: var(--spacing-3xl);
    text-align: center;
}

.project-header h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.project-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.meta-item {
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
}

.meta-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.meta-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-accent-cyan);
}

/* Content Sections */
.content-section {
    margin-bottom: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.content-section:last-child {
    border-bottom: none;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Section Header (for main portfolio style) */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header .section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    justify-content: center;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* Script Section */
.script-container {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.05), rgba(168, 85, 247, 0.05));
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(6, 182, 212, 0.2);
    max-width: 900px;
    margin: 0 auto;
}

.script-line {
    margin-bottom: 1.5rem;
    padding: 1.25rem 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-left: 4px solid var(--color-accent-cyan);
    border-radius: 8px;
    line-height: 1.8;
    font-size: 1rem;
    color: var(--color-text-primary);
    transition: all 0.3s ease;
}

.script-line:hover {
    background: rgba(6, 182, 212, 0.08);
    border-left-color: var(--color-accent-purple);
    transform: translateX(5px);
}

.script-line strong {
    color: var(--color-accent-cyan);
    font-weight: 600;
    font-size: 1.1rem;
    display: block;
    margin-bottom: 0.5rem;
}

.prompts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.prompt-block {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.05), rgba(168, 85, 247, 0.05));
    padding: 1.75rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(6, 182, 212, 0.2);
    transition: all 0.3s ease;
}

.prompt-block:hover {
    border-color: var(--color-accent-cyan);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(6, 182, 212, 0.15);
}

.prompt-label {
    align-items: center;
    gap: var(--spacing-xs);
}

.prompt-label::before {
    content: '>';
    color: var(--color-accent-cyan);
}

.prompt-text {
    color: var(--color-text-secondary);
    line-height: 1.6;
    font-family: 'Courier New', monospace;
}

/* Image Grid */
.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.image-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg-secondary);
    cursor: pointer;
    transition: var(--transition-normal);
}

.image-item:hover {
    transform: scale(1.05);
}

.image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    color: white;
    font-size: 0.875rem;
    opacity: 0;
    transition: var(--transition-normal);
}

.image-item:hover .image-caption {
    opacity: 1;
}

/* Video Generation Process */
.process-steps {
    display: grid;
    gap: var(--spacing-xl);
}

.process-step {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: var(--spacing-lg);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.step-content h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.step-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.tool-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--color-accent-cyan);
    margin-right: var(--spacing-xs);
    margin-top: var(--spacing-xs);
}

/* Image Carousel */
.image-carousel-container {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
    padding: 0 60px;
}

.image-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-lg);
    min-height: 400px;
}

.image-carousel .carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.7s ease-in-out, transform 0.7s ease-in-out, visibility 0s linear 0.7s;
    transform: scale(0.95);
}

.image-carousel .carousel-slide.active {
    position: relative;
    opacity: 1;
    visibility: visible;
    transform: scale(1);
    transition: opacity 0.7s ease-in-out, transform 0.7s ease-in-out, visibility 0s linear 0s;
    z-index: 1;
}

.image-card-wrapper {
    position: relative;
    width: 100%;
    max-width: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg-secondary);
    cursor: pointer;
    transition: var(--transition-normal);
}

.image-card-wrapper:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(6, 182, 212, 0.15);
}

.image-card-wrapper img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    background: var(--color-bg-secondary);
}

.image-card-wrapper .image-hover-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.95), rgba(168, 85, 247, 0.95));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    opacity: 0;
    transition: var(--transition-normal);
    overflow-y: auto;
}

.image-card-wrapper:hover .image-hover-overlay {
    opacity: 1;
}

.image-hover-overlay .prompt-label {
    color: white;
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.image-hover-overlay .prompt-text {
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.875rem;
    line-height: 1.6;
    text-align: center;
}

/* Image Counter */
.image-counter {
    position: absolute;
    left: -100px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-heading);
    font-weight: 700;
    z-index: 10;
    pointer-events: none;
}

.counter-current {
    font-size: 2.5rem;
    color: var(--color-accent-cyan);
    line-height: 1;
    transition: all 0.3s ease;
}

.counter-divider {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    line-height: 1;
}

.counter-total {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    line-height: 1;
}

/* Carousel Navigation */
.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    z-index: 10;
    color: white;
    font-size: 1.25rem;
}

.carousel-nav:hover {
    background: rgba(6, 182, 212, 0.3);
    border-color: var(--color-accent-cyan);
    transform: translateY(-50%) scale(1.1);
}

.carousel-nav.prev {
    left: 10px;
}

.carousel-nav.next {
    right: 10px;
}

/* Carousel Indicators */
.carousel-indicators {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.carousel-indicators .indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 0;
}

.carousel-indicators .indicator.active {
    background: var(--color-accent-cyan);
    width: 30px;
    border-radius: 5px;
}

.carousel-indicators .indicator:hover {
    background: var(--color-accent-purple);
}

/* Video Carousel (3 videos per slide) */
.video-carousel-container {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 100px;
}

.video-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    min-height: 600px;
}

.video-carousel .carousel-slide {
    display: none;
    gap: var(--spacing-xl);
    justify-content: center;
    align-items: center;
}

.video-carousel .carousel-slide.active {
    display: flex;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Final Video Section */
.final-video-container {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

/* Video Reel Styles */
.video-reel {
    position: relative;
    width: 100%;
    max-width: 380px;
    aspect-ratio: 9 / 16;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg-secondary);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.video-reel:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(6, 182, 212, 0.2);
}

.vertical-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Mute Button */
.mute-btn {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    z-index: 10;
    padding: 8px;
}

.mute-btn:hover {
    background: rgba(6, 182, 212, 0.8);
    border-color: var(--color-accent-cyan);
    transform: scale(1.1);
}

.mute-btn svg {
    width: 100%;
    height: 100%;
    color: white;
}

.video-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg-secondary);
    aspect-ratio: 9 / 16;
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 0 40px rgba(6, 182, 212, 0.3), var(--shadow-lg);
}

.video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 1.125rem;
}

.final-note {
    padding: var(--spacing-lg);
    background: rgba(132, 204, 22, 0.1);
    border: 1px solid rgba(132, 204, 22, 0.3);
    border-radius: var(--radius-md);
    color: var(--color-accent-lime);
    font-weight: 500;
}

/* CTA Section */
.case-study-cta {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: radial-gradient(ellipse at center, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-3xl);
}

.case-study-cta h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    margin-bottom: var(--spacing-md);
}

.case-study-cta p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* Responsive */
@media (max-width: 768px) {
    .case-study-container {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .project-meta-grid {
        grid-template-columns: 1fr;
    }

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

    .process-step {
        grid-template-columns: 1fr;
    }

    .step-number {
        margin: 0 auto;
    }

    .final-video-container {
        max-width: 100%;
    }
}