:root {
    --bg-principal: #080c12;
    --bg-tarjetas: #161b22;
    --borde-sutil: rgba(255, 255, 255, 0.08);
    --texto-principal: #ffffff;
    --texto-secundario: #a0b0c0;
    --color-acento: #1a90ff;
    --color-acento-dark: #0066cc;
    --color-acento-muted: rgba(26, 144, 255, 0.15);

    --fuente-principal: 'Inter', 'Montserrat', system-ui, -apple-system, sans-serif;
    --fuente-titulo: 'Orbitron', 'Montserrat', sans-serif;
    --curva-bento: 20px;
    --transicion-suave: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--fuente-principal);
    background-color: transparent;
    color: var(--texto-principal);
    line-height: 1.6;
}

.video-background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
}

.video-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(9, 11, 14, 0.88) 0%, rgba(9, 11, 14, 0.98) 100%);
    z-index: -1;
}


.hero-galeria {
    padding: 90px 20px 60px 20px;
    text-align: center;
    background: linear-gradient(180deg, var(--color-acento-muted) 0%, rgba(9, 11, 14, 0) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo-hero-galeria {
    width: auto;
    height: 80px;
    object-fit: contain;
    margin-bottom: 20px;

    animation: revealTexto 1.2s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-galeria h1 {
    font-family: var(--fuente-titulo);
    font-size: clamp(2.6rem, 7vw, 5.5rem);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.02em;
    margin-bottom: 25px;
    text-transform: uppercase;
    color: var(--texto-principal);

    animation: revealTexto 1.2s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-galeria h1 span {
    color: var(--color-acento);
    position: relative;
    display: inline-block;
}

.hero-galeria p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--texto-secundario);
    max-width: 750px;
    margin: 0 auto;
    font-weight: 400;
    letter-spacing: 0.02em;
    opacity: 0;

    animation: revealSubtitulo 1s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both;
}

@keyframes revealTexto {
    0% {
        opacity: 0;
        transform: translateY(40px) scale(0.98);
        filter: blur(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

@keyframes revealSubtitulo {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        with: 100%;
        transform: translateY(0);
    }
}


.seccion-filtros {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.btn-filtro {
    background-color: transparent;
    color: var(--texto-secundario);
    border: 1px solid var(--borde-sutil);
    padding: 10px 22px;
    font-family: var(--fuente-principal);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transicion-suave);
}

.btn-filtro:hover {
    border-color: var(--color-acento);
    color: var(--color-acento);
    box-shadow: 0 0 15px var(--color-acento-muted);
}

.btn-filtro.activo {
    background-color: var(--color-acento);
    color: #000000;
    border-color: var(--color-acento);
    box-shadow: 0 4px 20px rgba(0, 170, 228, 0.4);
}


.contenedor-galeria {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 30px;
}

.tarjeta-proyecto {
    background-color: rgba(15, 15, 16, 0.75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);

    border-radius: var(--curva-bento);
    overflow: hidden;
    border: 1px solid var(--borde-sutil);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    transition: var(--transicion-suave);
    display: flex;
    flex-direction: column;
}

.tarjeta-proyecto:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 170, 228, 0.3);
    box-shadow: 0 15px 35px var(--color-acento-muted);
}


.proyecto-imagen {
    position: relative;
    width: 100%;
    height: 210px;
    background-color: #1e293b;
    overflow: hidden;
}

.proyecto-imagen img,
.proyecto-imagen video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transicion-suave);
}

.tarjeta-proyecto:hover .proyecto-imagen img,
.tarjeta-proyecto:hover .proyecto-imagen video {
    transform: scale(1.05);
}


.categoria-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: rgba(9, 11, 14, 0.9);
    color: var(--color-acento);
    padding: 5px 14px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 20px;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(0, 170, 228, 0.3);
}


.proyecto-info {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.proyecto-info h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--texto-principal);
}

.proyecto-info p {
    color: var(--texto-secundario);
    font-size: 0.9rem;
    margin-bottom: 20px;
    max-height: 2.8em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: normal;
}

.proyecto-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.tag {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--texto-secundario);
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 6px;
}


.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(9, 11, 14, 0.95);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 20px;
}

.modal.abierto {
    opacity: 1;
    pointer-events: auto;
}

.modal-contenido {
    background-color: var(--bg-tarjetas);
    max-width: 800px;
    width: 100%;
    border-radius: var(--curva-bento);
    overflow: hidden;
    border: 1px solid var(--borde-sutil);
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.modal.abierto .modal-contenido {
    transform: scale(1);
}

.btn-cerrar {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    color: var(--texto-principal);
    font-size: 2rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transicion-suave);
}

.btn-cerrar:hover {
    color: var(--color-acento);
}


.modal-imagen {
    position: relative;
    width: 100%;
    height: 350px;
    background-color: #0b0b0c;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}


.modal-imagen img,
.modal-imagen video,
#modalImgAsset,
#modalVideoAsset {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.modal-detalles {
    padding: 35px;
}

.modal-detalles h2 {
    font-size: 1.8rem;
    margin-bottom: 5px;
}

.modal-autor {
    color: var(--color-acento);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.modal-descripcion {
    color: var(--texto-secundario);
    font-size: 0.95rem;
    margin-bottom: 25px;
}


.flecha-carrusel {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(9, 11, 14, 0.7);
    backdrop-filter: blur(4px);
    color: var(--texto-principal);
    border: 1px solid var(--borde-sutil);
    font-size: 1.5rem;
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 50%;
    z-index: 20;
    transition: var(--transicion-suave);
    opacity: 0;
}


.modal-imagen:hover .flecha-carrusel {
    opacity: 1;
}

.flecha-carrusel:hover {
    background-color: var(--color-acento);
    color: #000000;
    border-color: var(--color-acento);
}

.flecha-carrusel.prev { left: 15px; }
.flecha-carrusel.next { right: 15px; }

.proyecto-imagen {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.video-proyecto {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}


@media (max-width: 768px) {
    .hero-galeria h1 { font-size: 2.2rem; }
    .modal-imagen { height: 220px; }
    .modal-detalles { padding: 20px; }
    .contenedor-galeria { grid-template-columns: 1fr; }
    .flecha-carrusel { opacity: 1; padding: 8px 12px; font-size: 1.2rem; }
}

.volver-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 50;
    background: rgba(9, 11, 14, 0.75);
    backdrop-filter: blur(6px);
    color: var(--texto-principal);
    border: 1px solid var(--borde-sutil);
    padding: 10px 18px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transicion-suave);
}
.volver-btn:hover { border-color: var(--color-acento); color: var(--color-acento); }

.proyecto-imagen.img-missing {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #14181d, #1e242b);
}
.proyecto-imagen.img-missing::after {
    content: '📷 Imagen pendiente';
    color: var(--texto-secundario);
    font-size: 0.85rem;
}