/* ===================================
   PORTFOLIO PAGE STYLES
   =================================== */

.portfolio-page {
    background: var(--bg-light);
}

.portfolio-main {
    min-height: 100vh;
    padding-top: 80px;
}

.portfolio-hero {
    padding: 120px 0 80px;
    background: var(--bg-light);
}

.portfolio-hero-content {
    max-width: 800px;
    margin-bottom: 60px;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.2s forwards;
}

.portfolio-hero .section-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 24px;
    letter-spacing: 0.1em;
}

.portfolio-title {
    font-size: 4.5rem;
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.portfolio-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 600px;
}

/* Filter */
.portfolio-filter {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.4s forwards;
}

.filter-btn {
    font-family: 'Poppins', sans-serif;
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 12px 24px;
    border: 1px solid var(--border-color);
    background: white;
    color: var(--text-primary);
    border-radius: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Portfolio Content */
.portfolio-content {
    padding: 80px 0 120px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
}

/* Empty State */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 120px 40px;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.6s forwards;
}

.empty-state h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.empty-state p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.6;
}

.project-card {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card.hidden {
    display: none;
}

.project-image {
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 24px;
    position: relative;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.project-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.5s ease;
}

.project-card:hover .project-image-placeholder {
    transform: scale(1.05);
}

.project-info {
    padding: 0 8px;
}

.project-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.project-tag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 12px;
    background: var(--bg-light);
    color: var(--primary-color);
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.project-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.project-link {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--primary-color);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.3s ease;
}

.project-link:hover {
    gap: 8px;
    color: var(--primary-dark);
}

/* Portfolio CTA */
.portfolio-cta {
    padding: 120px 0;
    background: var(--primary-color);
    text-align: center;
}

.portfolio-cta .cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.portfolio-cta h2 {
    font-size: 3.5rem;
    font-weight: 900;
    color: white;
    margin-bottom: 24px;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.portfolio-cta p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    line-height: 1.6;
}

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

.btn-white:hover {
    background: var(--accent-color);
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 968px) {
    .portfolio-title {
        font-size: 3rem;
    }

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

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .portfolio-cta h2 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .portfolio-hero {
        padding: 100px 0 60px;
    }

    .portfolio-title {
        font-size: 2.5rem;
    }

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

    .portfolio-content {
        padding: 60px 0 80px;
    }

    .portfolio-cta {
        padding: 80px 0;
    }

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

    .portfolio-cta p {
        font-size: 1.125rem;
    }
}