/* Portfolio Styles - Modernizado */
.portfolio-hero {
    display: none;
    /* Eliminado */
}

/* Portfolio Filter - Compacto y moderno */
.portfolio-filter {
    padding: 1.5rem 0;
    background: white;
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
    position: sticky;
    top: 70px;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    margin-top: 70px;
}

.filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.filter-title {
    font-family: var(--font-primary);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    letter-spacing: -1px;
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    border: 2px solid rgba(59, 130, 246, 0.2);
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-color);
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.15);
    transform: translate(-50%, -50%);
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1), height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}

.filter-btn:hover::before,
.filter-btn.active::before {
    width: 250px;
    height: 250px;
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.25);
    position: relative;
    z-index: 1;
}

/* Portfolio Grid - Estilo Mosaico Visual */
.portfolio-grid-section {
    padding: 0;
    background: #0a0a0a;
    position: relative;
}

.portfolio-grid-section .container {
    max-width: 100%;
    padding: 0;
}

@media (min-width: 1200px) {
    .portfolio-grid-section .container {
        padding: 0;
    }
}

@media (min-width: 1400px) {
    .portfolio-grid-section .container {
        padding: 0;
    }
}

.portfolio-masonry {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 3px;
    grid-auto-rows: 280px;
}

@media (min-width: 768px) {
    .portfolio-masonry {
        grid-template-columns: repeat(3, 1fr);
        gap: 4px;
        grid-auto-rows: 320px;
    }
}

@media (min-width: 1200px) {
    .portfolio-masonry {
        grid-template-columns: repeat(4, 1fr);
        gap: 4px;
        grid-auto-rows: 350px;
    }
}

@media (min-width: 1600px) {
    .portfolio-masonry {
        grid-template-columns: repeat(5, 1fr);
        gap: 5px;
        grid-auto-rows: 380px;
    }
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 0;
    border: none;
    box-shadow: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: #111;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: scale(1);
    animation: fadeInScale 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.portfolio-item:hover {
    transform: scale(1.02);
    z-index: 10;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.8);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-item-image-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #111;
}

.portfolio-item-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 1s cubic-bezier(0.4, 0, 0.2, 1), filter 0.6s ease;
    filter: brightness(1);
    will-change: opacity, transform;
}

.portfolio-item:hover .portfolio-item-image {
    transform: scale(1.15);
    filter: brightness(1.1);
}

.portfolio-image-thumb {
    transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.portfolio-image-counter {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.7);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.portfolio-image-counter::before {
    content: '📷';
    font-size: 1rem;
}

.portfolio-item-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem 1rem 1rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 60%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    z-index: 3;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.portfolio-item-category {
    color: var(--primary-color);
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 0.2rem;
    display: none;
}

.portfolio-item:hover .portfolio-item-category {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    transform: scale(1.05);
}

.portfolio-item-title {
    font-family: var(--font-primary);
    font-size: 1rem;
    color: #ffffff;
    margin-bottom: 0;
    line-height: 1.3;
    font-weight: 600;
    letter-spacing: -0.2px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.portfolio-item:hover .portfolio-item-title {
    color: #ffffff;
}

.portfolio-item-location {
    display: none;
}

.portfolio-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.96) 0%, rgba(99, 102, 241, 0.96) 100%);
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.15rem;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    flex-direction: column;
    gap: 1rem;
    z-index: 5;
    backdrop-filter: blur(10px);
}

.portfolio-item-overlay span {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    animation: pulse 2s infinite;
    display: block;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.portfolio-item:hover .portfolio-item-overlay span {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.05);
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

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

/* Portfolio Item Sizes - Más variados */
.portfolio-item.large {
    grid-row: span 2;
    grid-column: span 1;
}

.portfolio-item.wide {
    grid-column: span 2;
    grid-row: span 1;
}

.portfolio-item.large .portfolio-item-image-container {
    height: 85%;
}

.portfolio-item.large .portfolio-item-info {
    min-height: 15%;
}

.portfolio-item.wide .portfolio-item-image-container {
    height: 80%;
}

.portfolio-item.wide .portfolio-item-info {
    min-height: 20%;
}

/* Delays de animación */
.portfolio-item:nth-child(1) {
    animation-delay: 0.05s;
}

.portfolio-item:nth-child(2) {
    animation-delay: 0.1s;
}

.portfolio-item:nth-child(3) {
    animation-delay: 0.15s;
}

.portfolio-item:nth-child(4) {
    animation-delay: 0.2s;
}

.portfolio-item:nth-child(5) {
    animation-delay: 0.25s;
}

.portfolio-item:nth-child(6) {
    animation-delay: 0.3s;
}

.portfolio-item:nth-child(7) {
    animation-delay: 0.35s;
}

.portfolio-item:nth-child(8) {
    animation-delay: 0.4s;
}

/* Responsive */
@media (max-width: 768px) {
    .filter-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .filter-title {
        font-size: 1.75rem;
    }

    .filter-buttons {
        width: 100%;
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1.25rem;
        font-size: 0.85rem;
    }

    .portfolio-grid-section .container {
        padding: 0 1rem;
    }

    .portfolio-masonry {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        grid-auto-rows: 450px;
    }

    .portfolio-item.wide {
        grid-column: span 1;
    }

    .portfolio-item.large {
        grid-row: span 1;
    }

    .portfolio-grid-section {
        padding: 2rem 0;
    }

    .portfolio-filter {
        position: relative;
        top: 0;
        padding: 1rem 0;
    }

    .portfolio-item-image {
        height: 80%;
    }

    .portfolio-item-info {
        min-height: 20%;
    }
}

@media (max-width: 480px) {
    .filter-title {
        font-size: 1.5rem;
    }

    .portfolio-masonry {
        grid-auto-rows: 320px;
        gap: 1.25rem;
    }

    .portfolio-item-info {
        padding: 1.25rem;
    }

    .portfolio-item-title {
        font-size: 1.25rem;
    }

    .portfolio-item-image {
        height: 72%;
    }

    .portfolio-item-info {
        height: 28%;
    }
}