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

.portfolio-section {
    padding: 80px 0;
    background: var(--bg-color);
}

/* Portfolio Filters */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 56px;
    flex-wrap: wrap;
}

.portfolio-filter-btn {
    background: transparent;
    border: 0.5px solid var(--border-color);
    color: var(--text-light);
    padding: 10px 24px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: var(--transition);
    font-family: var(--font-main);
}

.portfolio-filter-btn:hover,
.portfolio-filter-btn.active {
    background: transparent;
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.portfolio-filter-btn.active {
    font-weight: 500;
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Portfolio Card Header (gradient, no image needed) */
.portfolio-card-header {
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #1a2a3a 0%, #0d1520 100%);
}

.portfolio-card-header[data-category="e-commerce"] {
    background: linear-gradient(135deg, #1a3a5c 0%, #0d2137 100%);
}

.portfolio-card-header[data-category="corporate"] {
    background: linear-gradient(135deg, #1a3c2e 0%, #0d2118 100%);
}

.portfolio-card-header[data-category="landing"] {
    background: linear-gradient(135deg, #3c1a3c 0%, #210d21 100%);
}

.portfolio-card-category {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.6);
}

.portfolio-visit-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: rgba(91, 159, 217, 0.15);
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    transition: var(--transition);
}

.portfolio-visit-btn:hover {
    background: var(--secondary-color);
    color: var(--bg-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(91, 159, 217, 0.3);
}

/* Portfolio Card */
.portfolio-card {
    background: var(--bg-dark);
    border-radius: var(--radius);
    overflow: hidden;
    border: 0.5px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.portfolio-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary-color);
}

.portfolio-card-image {
    position: relative;
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: var(--bg-section);
}

.portfolio-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.portfolio-card:hover .portfolio-card-image img {
    transform: scale(1.08);
}

.portfolio-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(10, 14, 22, 0.9) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
    padding: 24px;
}

.portfolio-card:hover .portfolio-card-overlay {
    opacity: 1;
}

.portfolio-card-overlay-text {
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.portfolio-card-content {
    padding: 28px 24px;
}

.portfolio-card-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-color);
    letter-spacing: 0.02em;
}

.portfolio-card-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 16px;
    font-style: italic;
}

.portfolio-card-description {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Portfolio Price */
.portfolio-card-price {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    margin-bottom: 16px;
    border-bottom: 0.5px solid var(--border-color);
}

.portfolio-price-label {
    font-size: 0.8rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 400;
}

.portfolio-price-value {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--secondary-color);
    letter-spacing: 0.02em;
}

.portfolio-modal-price {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    margin-bottom: 24px;
    background: rgba(91, 159, 217, 0.06);
    border: 0.5px solid rgba(91, 159, 217, 0.15);
    border-radius: var(--radius);
}

.portfolio-modal-price .portfolio-price-value {
    font-size: 1.6rem;
}

.portfolio-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 0.5px solid var(--border-color);
}

.portfolio-card-technologies {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.portfolio-tech-tag {
    background: rgba(91, 159, 217, 0.1);
    color: var(--secondary-color);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: 0.5px solid rgba(91, 159, 217, 0.2);
}

.portfolio-card-link {
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
    letter-spacing: 0.05em;
}

.portfolio-card-link:hover {
    color: var(--secondary-color);
    transform: translateX(3px);
}

.portfolio-card-link::after {
    content: '→';
    font-size: 1.1rem;
}

/* Portfolio Modal */
.portfolio-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.portfolio-modal.active {
    display: flex;
}

.portfolio-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 14, 22, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.portfolio-modal-content {
    position: relative;
    background: var(--bg-dark);
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 48px 40px;
    z-index: 1;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.portfolio-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-light);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.portfolio-modal-close:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
    transform: rotate(90deg);
}

.portfolio-modal-body h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 500;
    margin-bottom: 12px;
    color: var(--text-color);
    letter-spacing: 0.02em;
}

.portfolio-modal-body h3 {
    font-size: 1.3rem;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 24px;
}

.portfolio-modal-image {
    width: 100%;
    border-radius: var(--radius);
    margin-bottom: 32px;
    border: 0.5px solid var(--border-color);
    object-fit: cover;
    max-height: 400px;
}

.portfolio-modal-body p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 24px;
    font-size: 1.05rem;
}

.portfolio-modal-technologies {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.portfolio-modal-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: transparent;
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
}

.portfolio-modal-btn:hover {
    background: var(--secondary-color);
    color: var(--bg-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Responsive */
@media (max-width: 768px) {
    .portfolio-section {
        padding: 60px 0;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .portfolio-filters {
        flex-direction: column;
        gap: 10px;
    }

    .portfolio-filter-btn {
        width: 100%;
    }

    .portfolio-modal-content {
        padding: 32px 24px;
    }

    .portfolio-modal-body h2 {
        font-size: 1.8rem;
    }

    .portfolio-card-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .portfolio-section { padding: 32px 0; }
    .portfolio-filters { gap: 8px; }
    .portfolio-filter-btn { font-size: 0.82rem; padding: 10px 16px; }
    .portfolio-card-body { padding: 20px 16px; }
    .portfolio-card-title { font-size: 1.1rem; }
    .portfolio-card-desc { font-size: 0.82rem; }
    .portfolio-card-image { height: 180px; }
    .portfolio-modal-content { padding: 20px 16px; }
    .portfolio-modal-body h2 { font-size: 1.3rem; }
    .portfolio-modal-body p { font-size: 0.85rem; }
    .portfolio-modal-close { top: 12px; right: 12px; }
}