/* ============================================
   Project Case Study Styles
   ============================================ */

/* Project Hero */
.project-hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 120px;
    overflow: hidden;
}

.project-hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.project-hero .container {
    position: relative;
    z-index: 1;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    transition: var(--transition-fast);
}

.back-link:hover {
    color: var(--color-accent);
    gap: 0.75rem;
}

.project-hero-content {
    max-width: 900px;
}

.project-category {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 255, 148, 0.1);
    border: 1px solid var(--color-accent);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.project-hero-title {
    font-size: clamp(3rem, 6vw, 4.5rem);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.project-hero-description {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 800px;
}

/* Project Main Image */
.project-main-image {
    padding: var(--spacing-lg) 0;
}

.main-image-wrapper {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.main-image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-accent-gradient);
    opacity: 0.1;
    z-index: 1;
}

.main-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

/* Project Overview */
.project-overview {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-secondary);
}

.overview-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 700;
}

.overview-text {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.overview-sidebar {
    background: var(--color-bg-primary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: var(--spacing-md);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.overview-item {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.overview-item:last-child {
    border-bottom: none;
}

.overview-label {
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    font-family: var(--font-mono);
}

.overview-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tags span {
    padding: 0.25rem 0.75rem;
    background: rgba(0, 255, 148, 0.1);
    border: 1px solid rgba(0, 255, 148, 0.3);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--color-accent);
    font-family: var(--font-mono);
}

.overview-link {
    color: var(--color-accent);
    font-weight: 600;
    transition: var(--transition-fast);
}

.overview-link:hover {
    text-decoration: underline;
}

/* Project Section */
.project-section {
    padding: var(--spacing-xl) 0;
}

.section-header-left {
    margin-bottom: var(--spacing-lg);
}

.section-header-left .section-title {
    text-align: left;
}

/* Challenge Section */
.challenge-section {
    background: var(--color-bg-primary);
}

.challenge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.challenge-item {
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: var(--spacing-md);
    position: relative;
    overflow: hidden;
    transition: var(--transition-medium);
}

.challenge-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-medium);
}

.challenge-item:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
}

.challenge-item:hover::before {
    transform: scaleX(1);
}

.challenge-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-mono);
}

.challenge-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.challenge-text {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* Solution Section */
.solution-section {
    background: var(--color-bg-secondary);
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    align-items: center;
}

.solution-subtitle {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

.solution-text-block p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.solution-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.solution-image img {
    width: 100%;
    height: auto;
    display: block;
}

.solution-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.solution-feature {
    background: var(--color-bg-primary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: var(--spacing-md);
    transition: var(--transition-fast);
}

.solution-feature:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 148, 0.1);
    border-radius: 8px;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.solution-feature h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.solution-feature p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* Process Section */
.process-section {
    background: var(--color-bg-primary);
}

.process-timeline {
    position: relative;
    padding-left: 40px;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-accent-secondary));
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -47px;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--color-accent);
    border-radius: 50%;
    border: 4px solid var(--color-bg-primary);
    box-shadow: 0 0 0 4px rgba(0, 255, 148, 0.2);
}

.timeline-content {
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: var(--spacing-md);
    transition: var(--transition-medium);
}

.timeline-content:hover {
    border-color: var(--color-accent);
    transform: translateX(8px);
}

.timeline-phase {
    font-size: 0.85rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    font-family: var(--font-mono);
    margin-bottom: 0.5rem;
}

.timeline-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.timeline-text {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.timeline-deliverables {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.timeline-deliverables span {
    padding: 0.25rem 0.75rem;
    background: rgba(0, 255, 148, 0.1);
    border: 1px solid rgba(0, 255, 148, 0.3);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--color-accent);
}

/* Gallery Section */
.gallery-section {
    background: var(--color-bg-secondary);
}

.project-gallery {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-sm);
}

.gallery-item {
    grid-column: span 4;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-medium);
}

.gallery-large {
    grid-column: span 8;
}

.gallery-wide {
    grid-column: span 12;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: var(--transition-slow);
}

.gallery-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
    z-index: 1;
}

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

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-sm);
    background: linear-gradient(to top, rgba(15, 15, 15, 0.95), transparent);
    color: var(--color-text-primary);
    font-size: 0.9rem;
    font-weight: 600;
    transform: translateY(100%);
    transition: var(--transition-medium);
}

.gallery-item:hover .gallery-caption {
    transform: translateY(0);
}

/* Results Section */
.results-section {
    background: var(--color-bg-primary);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.result-card {
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-accent-gradient);
    transform: scaleX(0);
    transition: var(--transition-medium);
}

.result-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.result-card:hover::before {
    transform: scaleX(1);
}

.result-value {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.result-label {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.result-description {
    font-size: 0.9rem;
    color: var(--color-text-tertiary);
    line-height: 1.5;
}

.results-testimonial {
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: var(--spacing-lg);
    position: relative;
}

.testimonial-quote {
    max-width: 900px;
    margin: 0 auto;
}

.testimonial-quote svg {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    opacity: 0.3;
}

.testimonial-quote p {
    font-size: 1.5rem;
    line-height: 1.7;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-author-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.testimonial-author-info img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--color-accent);
}

.author-name {
    font-weight: 700;
    font-size: 1.1rem;
}

.author-position {
    color: var(--color-text-tertiary);
    font-size: 0.95rem;
}

/* Tech Section */
.tech-section {
    background: var(--color-bg-secondary);
}

.tech-deep-dive {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.tech-category-detailed {
    background: var(--color-bg-primary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.tech-category-detailed h3 {
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.tech-items-detailed {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.tech-item-detailed {
    padding: var(--spacing-sm);
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: var(--transition-fast);
}

.tech-item-detailed:hover {
    border-color: var(--color-accent);
    transform: translateX(4px);
}

.tech-item-detailed strong {
    display: block;
    font-size: 1.05rem;
    margin-bottom: 0.25rem;
    color: var(--color-text-primary);
}

.tech-item-detailed p {
    font-size: 0.9rem;
    color: var(--color-text-tertiary);
    line-height: 1.5;
}

/* Next Project */
.next-project {
    background: var(--color-bg-primary);
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.next-project::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent-gradient);
}

.next-project .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.next-project-label {
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.next-project-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.next-project-description {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.next-project-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.next-project-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition-slow);
}

.next-project:hover .next-project-image img {
    transform: scale(1.05);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .overview-grid {
        grid-template-columns: 1fr;
    }

    .overview-sidebar {
        position: static;
    }

    .solution-content {
        grid-template-columns: 1fr;
    }

    .project-gallery {
        grid-template-columns: repeat(6, 1fr);
    }

    .gallery-item {
        grid-column: span 6;
    }

    .gallery-large {
        grid-column: span 6;
    }

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

@media (max-width: 768px) {
    .project-hero-title {
        font-size: clamp(2.5rem, 8vw, 3.5rem);
    }

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

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

    .tech-deep-dive {
        grid-template-columns: 1fr;
    }

    .process-timeline {
        padding-left: 30px;
    }

    .timeline-marker {
        left: -37px;
    }

    .testimonial-quote p {
        font-size: 1.2rem;
    }

    .result-value {
        font-size: 2.5rem;
    }
}

/* Animations */
@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.timeline-item {
    animation: slideInFromLeft 0.6s ease forwards;
    opacity: 0;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }