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

/* Portfolio Hero */
.portfolio-hero {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    background: linear-gradient(180deg, var(--dark-bg) 0%, #1a1a2e 100%);
    position: relative;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.938rem;
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-base);
}

.back-link:hover {
    color: var(--primary-color);
    transform: translateX(-4px);
}

.portfolio-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.portfolio-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Experience Section */
.experience-section {
    padding: var(--spacing-2xl) 0;
    background: var(--dark-bg);
}

.experience-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.experience-card {
    background: var(--dark-card);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.experience-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.experience-card.highlight::before {
    transform: scaleX(1);
}

.experience-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.experience-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 16px rgba(102, 126, 234, 0.3));
}

.experience-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.experience-years {
    font-size: 3rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    line-height: 1;
}

.experience-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

/* Events Section */
.events-section {
    padding: var(--spacing-2xl) 0;
    background: #1a1a2e;
}

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

.event-card {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    transition: all var(--transition-base);
    cursor: default;
}

.event-card:hover {
    background: var(--dark-card-hover);
    border-color: rgba(102, 126, 234, 0.3);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.event-icon {
    font-size: 2rem;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(102, 126, 234, 0.1);
    border-radius: var(--radius-md);
}

.event-content {
    flex: 1;
    min-width: 0;
}

.event-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    margin-bottom: var(--spacing-xs);
}

.event-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.4;
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-2xl) 0;
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 968px) {
    .portfolio-title {
        font-size: 2.5rem;
    }

    .portfolio-subtitle {
        font-size: 1.25rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .experience-years {
        font-size: 2.5rem;
    }

    .events-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }

    .cta-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .portfolio-title {
        font-size: 2rem;
    }

    .portfolio-subtitle {
        font-size: 1.125rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .experience-years {
        font-size: 2rem;
    }

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

    .event-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .cta-content h2 {
        font-size: 1.75rem;
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Print Styles */
@media print {

    .back-link,
    .cta-section {
        display: none;
    }

    .event-card {
        break-inside: avoid;
    }
}