/* ========================================
   PROJECT DETAIL STYLES
   ======================================== */

/* Project Hero */
.project-hero {
    padding-top: 120px;
    padding-bottom: var(--spacing-xl);
    background: var(--color-bg-dark);
    position: relative;
}

.project-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 300px;
    background: var(--gradient-glow);
    filter: blur(100px);
    opacity: 0.3;
    z-index: 0;
}

.project-header {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.project-header .project-tags {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.tag-date {
    padding: 0.5rem 1rem;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.project-header h1 {
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.project-intro {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.project-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.meta-item i {
    color: var(--color-primary);
}

.project-links-hero {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.back-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    font-weight: 600;
    transition: var(--transition-normal);
}

.back-link:hover {
    transform: translateX(-5px);
}

/* Project Showcase */
.project-showcase {
    padding: var(--spacing-lg) 0;
    background: var(--color-bg-secondary);
}

.showcase-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

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

/* Project Details */
.project-details {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-dark);
}

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

.details-main {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.detail-section {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.detail-section h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 2rem;
}

.detail-section h3 {
    color: var(--color-text);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.detail-section p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

/* Objectives List */
.objectives-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.objectives-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.objectives-list i {
    color: var(--color-primary);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

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

.feature-card {
    background: rgba(139, 92, 246, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition-normal);
}

.feature-card:hover {
    background: rgba(139, 92, 246, 0.1);
    transform: translateY(-5px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-sm);
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.feature-card h4 {
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

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

.process-timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

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

.timeline-marker {
    position: absolute;
    left: -40px;
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 0.875rem;
    box-shadow: 0 0 0 4px var(--color-bg-card);
}

.timeline-content h4 {
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--color-text-secondary);
    margin: 0;
}

/* Challenges Grid */
.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.challenge-card {
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.challenge-card h4 {
    color: #ef4444;
    margin-bottom: 0.5rem;
}

.challenge-card p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.result-card {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
}

.result-number {
    font-size: 3rem;
    font-weight: 700;
    color: #10b981;
    font-family: var(--font-primary);
    margin-bottom: 0.5rem;
}

.result-card p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

/* Learning List */
.learning-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.learning-list li {
    color: var(--color-text-secondary);
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.6;
}

.learning-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-size: 1.2rem;
}

/* Sidebar */
.details-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.sidebar-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.sidebar-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

/* Tech Stack */
.tech-stack {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-sm);
    background: rgba(139, 92, 246, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition-normal);
}

.tech-item:hover {
    background: rgba(139, 92, 246, 0.1);
    transform: scale(1.05);
}

.tech-item img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.tech-item span {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

/* Skills Tags */
.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skills-tags span {
    padding: 0.5rem 1rem;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    font-size: 0.75rem;
    transition: var(--transition-normal);
}

.skills-tags span:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Project Links Sidebar */
.project-links-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition: var(--transition-normal);
}

.sidebar-link:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    transform: translateX(5px);
}

.sidebar-link i {
    color: var(--color-primary);
}

.sidebar-link:hover i {
    color: white;
}

/* CTA Card */
.cta-card {
    background: var(--gradient-primary);
    text-align: center;
}

.cta-card h3 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.cta-card p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-sm);
}

.cta-card .btn {
    background: white;
    color: var(--color-primary);
}

.cta-card .btn:hover {
    transform: scale(1.05);
}

/* Other Projects */
.other-projects {
    padding: var(--spacing-lg) 0;
    background: var(--color-bg-secondary);
    text-align: center;
}

.other-projects h2 {
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.projects-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.project-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text);
    font-weight: 600;
    transition: var(--transition-normal);
}

.project-nav-link:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .details-grid {
        grid-template-columns: 1fr;
    }
    
    .details-sidebar {
        order: -1;
    }
    
    .tech-stack {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .project-hero {
        padding-top: 100px;
    }
    
    .project-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .features-grid,
    .challenges-grid,
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-stack {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-timeline {
        padding-left: 30px;
    }
    
    .timeline-marker {
        left: -30px;
        width: 28px;
        height: 28px;
    }
    
    .process-timeline::before {
        left: 13px;
    }
}

@media (max-width: 480px) {
    .project-intro {
        font-size: 1rem;
    }
    
    .tech-stack {
        grid-template-columns: 1fr;
    }
    
    .result-number {
        font-size: 2rem;
    }
}