/* ================================
   ELEVANOVA - Portfolio CSS
   Página de Portfolio con filtros y modal
   ================================ */

/* ========== Portfolio Hero ========== */
.portfolio-hero {
    padding-top: calc(80px + var(--spacing-2xl));
    padding-bottom: var(--spacing-2xl);
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.portfolio-hero__content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.portfolio-hero__title {
    font-size: var(--text-5xl);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.portfolio-hero__description {
    font-size: var(--text-xl);
    color: var(--color-gray);
    line-height: 1.7;
}

/* ========== Portfolio Filters ========== */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    padding: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-white);
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-dark);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 56px;
}

.filter-btn i {
    font-size: var(--text-xl);
    color: var(--color-gray);
    transition: var(--transition-base);
}

.filter-btn:hover {
    border-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.filter-btn:hover i {
    color: var(--color-secondary);
}

.filter-btn.active {
    background: var(--gradient-accent);
    border-color: var(--color-secondary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.filter-btn.active i {
    color: var(--color-white);
}

.filter-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 var(--spacing-xs);
    background: rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    font-size: var(--text-xs);
    font-weight: 700;
}

.filter-btn.active .filter-count {
    background: rgba(255, 255, 255, 0.3);
}

/* ========== Portfolio Grid ========== */
.portfolio-section {
    background-color: var(--color-bg);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.portfolio-item {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    opacity: 1;
    transform: scale(1);
}

.portfolio-item.featured {
    border: 3px solid var(--color-secondary);
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* Animación de filtrado */
.portfolio-item.filter-out {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
    position: absolute;
    z-index: -1;
}

.portfolio-item__image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.portfolio-item__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.portfolio-item:hover .portfolio-item__image img {
    transform: scale(1.1);
}

.portfolio-item__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: var(--spacing-lg);
    opacity: 0;
    transition: var(--transition-base);
}

.portfolio-item:hover .portfolio-item__overlay {
    opacity: 1;
}

.portfolio-item__btn {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gradient-accent);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: var(--transition-base);
    min-height: 48px;
    transform: translateY(20px);
}

.portfolio-item:hover .portfolio-item__btn {
    transform: translateY(0);
}

.portfolio-item__btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.portfolio-item__badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    z-index: 1;
}

.portfolio-item__content {
    padding: var(--spacing-lg);
}

.portfolio-item__category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: linear-gradient(135deg, rgba(200, 121, 65, 0.1) 0%, rgba(231, 111, 81, 0.1) 100%);
    color: var(--color-secondary);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.portfolio-item__title {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.portfolio-item__location {
    color: var(--color-gray);
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.portfolio-item__specs {
    display: flex;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-light);
}

.portfolio-item__specs span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-gray);
    font-size: var(--text-sm);
}

.portfolio-item__specs i {
    color: var(--color-secondary);
}

/* ========== No Results ========== */
.no-results {
    text-align: center;
    padding: var(--spacing-3xl);
}

.no-results i {
    font-size: 4rem;
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-md);
}

.no-results h3 {
    font-size: var(--text-2xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.no-results p {
    color: var(--color-gray);
    font-size: var(--text-lg);
}

/* ========== Portfolio CTA ========== */
.portfolio-cta {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.cta-box {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    text-align: center;
}

.cta-content h2 {
    color: var(--color-white);
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-xl);
}

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

/* ========== Project Modal ========== */
.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

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

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    max-width: 1200px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.4s ease;
    z-index: 2001;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: sticky;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: none;
    border-radius: 50%;
    font-size: var(--text-2xl);
    color: var(--color-dark);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    z-index: 2002;
    float: right;
    margin: var(--spacing-md) var(--spacing-md) calc(-48px - var(--spacing-md)) 0;
}

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

.modal-body {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-2xl);
}

/* ========== Before/After Slider ========== */
.modal-gallery {
    position: relative;
}

.before-after-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.slider-images {
    position: relative;
    width: 100%;
    padding-top: 75%; /* Aspect ratio 4:3 */
}

.slider-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slider-image.after {
    clip-path: inset(0 50% 0 0);
    transition: clip-path 0.1s ease;
}

.slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: transparent;
    cursor: ew-resize;
    z-index: 10;
    transform: translateX(-50%);
}

.slider-line {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: var(--color-white);
    transform: translateX(-50%);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.slider-button {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    border-radius: 50%;
    color: var(--color-white);
    font-size: var(--text-xl);
    box-shadow: var(--shadow-xl);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.slider-labels {
    position: absolute;
    top: var(--spacing-md);
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    pointer-events: none;
    z-index: 5;
}

.label-before,
.label-after {
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 0, 0, 0.7);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
    backdrop-filter: blur(5px);
}

/* ========== Modal Info ========== */
.modal-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.modal-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(200, 121, 65, 0.1) 0%, rgba(231, 111, 81, 0.1) 100%);
    color: var(--color-secondary);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
    align-self: flex-start;
}

.modal-title {
    font-size: var(--text-3xl);
    line-height: 1.2;
}

.modal-location {
    color: var(--color-gray);
    font-size: var(--text-base);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.modal-specs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
}

.spec-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.spec-item i {
    font-size: var(--text-2xl);
    color: var(--color-secondary);
}

.spec-item div {
    display: flex;
    flex-direction: column;
}

.spec-label {
    font-size: var(--text-xs);
    color: var(--color-gray);
    text-transform: uppercase;
    font-weight: 600;
}

.spec-value {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-dark);
}

.modal-description h3,
.modal-features h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-sm);
}

.modal-description p {
    color: var(--color-gray);
    line-height: 1.7;
}

.modal-features ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.modal-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-dark);
    line-height: 1.5;
}

.modal-features i {
    color: var(--color-secondary);
    font-size: var(--text-base);
    min-width: 20px;
}

/* ========== Responsive Portfolio ========== */

/* Tablet (768px) */
@media (max-width: 768px) {
    .portfolio-filters {
        flex-direction: column;
    }
    
    .filter-btn {
        width: 100%;
        justify-content: space-between;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .modal-body {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}

/* Mobile (576px) */
@media (max-width: 576px) {
    .portfolio-hero__title {
        font-size: var(--text-3xl);
    }
    
    .portfolio-hero__description {
        font-size: var(--text-base);
    }
    
    .portfolio-filters {
        padding: var(--spacing-md);
    }
    
    .filter-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--text-sm);
        min-height: 48px;
    }
    
    .filter-btn span:not(.filter-count) {
        display: none;
    }
    
    .filter-btn {
        justify-content: center;
        gap: var(--spacing-xs);
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .portfolio-item__image {
        height: 250px;
    }
    
    .modal-content {
        max-height: 95vh;
        border-radius: var(--radius-xl);
    }
    
    .modal-body {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }
    
    .modal-specs {
        grid-template-columns: 1fr;
    }
    
    .modal-title {
        font-size: var(--text-2xl);
    }
    
    .cta-content h2 {
        font-size: var(--text-2xl);
    }
    
    .cta-content p {
        font-size: var(--text-base);
    }
}

/* Very small mobile (400px) */
@media (max-width: 400px) {
    .slider-button {
        width: 48px;
        height: 48px;
        font-size: var(--text-lg);
    }
    
    .modal-close {
        width: 40px;
        height: 40px;
        font-size: var(--text-xl);
    }
}