/* ============================================
   Portfolio Page Styles
   ============================================ */

/* Portfolio Hero */
.portfolio-hero {
    padding: 140px 0 var(--space-12);
    text-align: center;
}

.back-link {
    display: inline-block;
    color: var(--accent);
    text-decoration: none;
    margin-bottom: var(--space-6);
    font-size: var(--text-sm);
    transition: color var(--transition-base);
}

.back-link:hover {
    color: var(--text-primary);
}

.portfolio-badge {
    display: inline-block;
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-6);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.portfolio-hero h1 {
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-6);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.portfolio-description {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* Portfolio Stats */
.portfolio-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    padding: var(--space-8) 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.portfolio-stat {
    text-align: center;
}

.portfolio-stat-value {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--accent);
    margin-bottom: var(--space-1);
}

.portfolio-stat-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

/* Portfolio Card */
.portfolio-card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.portfolio-card p:last-child {
    margin-bottom: 0;
}

.portfolio-card strong {
    color: var(--text-primary);
}

/* Portfolio Features Grid */
.portfolio-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.portfolio-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
}

.portfolio-feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.5rem;
}

.portfolio-feature h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.portfolio-feature p {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin: 0;
}

/* Portfolio Tags */
.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.portfolio-tag {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

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

.portfolio-timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-subtle);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-8);
}

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

.timeline-marker {
    position: absolute;
    left: -34px;
    top: 4px;
    width: 14px;
    height: 14px;
    background: var(--accent);
    border-radius: 50%;
    border: 3px solid var(--bg-secondary);
    z-index: 1;
}

.timeline-date {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--accent);
    margin-bottom: var(--space-2);
}

.timeline-content h4 {
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

/* Portfolio Results */
.portfolio-results {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    border-color: rgba(16, 185, 129, 0.3);
}

.portfolio-results h3 {
    margin-bottom: var(--space-6);
}

.portfolio-result-list {
    list-style: none;
}

.portfolio-result-list li {
    padding: var(--space-2) 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.portfolio-result-list li::before {
    content: '✓';
    color: var(--accent-green);
    font-weight: bold;
}

/* Responsive */
@media (max-width: 768px) {
    .portfolio-hero h1 {
        font-size: var(--text-2xl);
    }

    .portfolio-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .portfolio-features {
        grid-template-columns: 1fr;
    }
}