/* ==========================================================================
   proyectos.css — Estilos exclusivos de la página catálogo de proyectos
   ========================================================================== */

/* Hero de la página catálogo */
.cat-main {
    min-height: 100vh;
}

.cat-hero {
    padding: 160px 0 80px;
    position: relative;
}

.cat-hero-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 700px;
}

/* Botón volver */
.cat-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease, gap 0.2s ease;
    margin-bottom: 8px;
    width: fit-content;
}

.cat-back-link:hover {
    color: #fff;
    gap: 12px;
}

.cat-back-link svg {
    width: 16px;
    height: 16px;
}

.cat-title {
    font-size: clamp(2.4rem, 5vw, 4rem);
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    color: #fff;
    margin: 0;
}

.cat-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.6;
    margin: 0;
    max-width: 480px;
}

/* Sección grilla */
.cat-grid-section {
    padding: 0 0 140px;
}

.cat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
}

@media (max-width: 768px) {
    .cat-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* Tarjeta de proyecto */
.cat-card {
    border-radius: 16px;
    overflow: hidden;
    background: rgba(15, 15, 25, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    animation: cat-fade-in 0.5s ease-out both;
}

@keyframes cat-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cat-card:hover {
    border-color: rgba(113, 28, 170, 0.35);
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

/* Preview con iframe */
.cat-card-preview {
    position: relative;
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: #0a0a0f;
}

.cat-iframe {
    width: 100%;
    height: 100%;
    border: none;
    pointer-events: none;
    transform-origin: top left;
    /* Escala el iframe para simular un preview de escritorio */
    transform: scale(0.6);
    width: 167%;
    height: 167%;
}

/* Overlay hover con botón */
.cat-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(5, 5, 5, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(2px);
}

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

.cat-visit-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    color: #050505;
    font-weight: 700;
    font-size: 0.88rem;
    padding: 10px 22px;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.2s ease, transform 0.2s ease;
}

.cat-visit-btn:hover {
    background: rgba(255, 255, 255, 0.88);
    transform: scale(1.03);
    color: #050505;
}

.cat-visit-btn svg {
    width: 15px;
    height: 15px;
}

/* Info de la tarjeta */
.cat-card-info {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cat-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.cat-tag {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--primary-color);
    background: rgba(113, 28, 170, 0.12);
    border: 1px solid rgba(113, 28, 170, 0.25);
    border-radius: 4px;
    padding: 3px 8px;
}

.cat-card-title {
    font-size: 1.15rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: #fff;
    margin: 0;
    line-height: 1.3;
}

.cat-card-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

/* Nav link activo */
.nav-link.active::after {
    width: 100%;
}