/**
 * NexoDigital Catalogo Elite CSS v4.0
 * Extensión del núcleo styles-core.css para la página de catálogo.
 */

/* Hero Específico del Catálogo */
.hero-catalog-v3 {
    padding-top: 4rem;
    padding-bottom: 5rem;
    text-align: center;
    background: radial-gradient(circle at 50% -20%, rgba(124, 77, 255, 0.15) 0%, transparent 60%);
}

.hero-catalog-v3 .display-1 {
    margin-bottom: 1.5rem;
}

.hero-catalog-v3 .wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

/* Navegación por Categorías (Tabs) */
.catalog-nav {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 0.6rem;
    border-radius: 100px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin: -2.5rem auto 4rem;
    width: fit-content;
    backdrop-filter: blur(15px);
    z-index: 100;
    position: relative;
}

.cat-btn {
    padding: 0.8rem 1.8rem;
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    border-radius: 100px;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    white-space: nowrap;
}

.cat-btn.active {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 8px 20px var(--color-primary-glow);
}

.cat-btn:hover:not(.active) {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

/* Sección Por Qué Nexo (Catalog Version) */
.why-v4 {
    padding-top: 3rem;
    padding-bottom: 3rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.why-v4-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.why-v4-item {
    padding: 3rem 2rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

.why-v4-item:hover {
    background: rgba(255, 255, 255, 0.04);
    transform: translateY(-5px);
}

.why-v4-item i {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 1.5rem;
    font-style: normal;
}

.why-v4-item h3 {
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.why-v4-item p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Responsividad Específica */
/* Responsividad Específica */
@media (max-width: 900px) {
    .catalog-nav {
        width: calc(100% - 2rem);
        margin: 0 auto 3rem;
        border-radius: 24px;
        flex-wrap: wrap;
        justify-content: center;
        padding: 1rem;
        gap: 0.6rem;
    }

    .cat-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
        flex: initial; /* No forzar ancho completo, dejar que fluyan */
    }
}

/* Sección Educativa */
.catalog-education { margin-top: 4rem; margin-bottom: 4rem; }
.education-container { padding: 4rem; border-radius: 40px; }
.education-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; text-align: left; }
.h3-gradient { 
    font-size: 1.5rem; font-family: var(--font-display); font-weight: 800; margin-bottom: 1.2rem;
    background: linear-gradient(135deg, #fff 0%, var(--brand-primary) 100%);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.education-item p { color: var(--color-text-muted); line-height: 1.7; font-size: 1rem; }

@media (max-width: 1024px) {
    .education-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .education-container { padding: 3rem 2rem; }
}

@media (max-width: 768px) {
    .catalog-education { margin-top: 2rem; margin-bottom: 2rem; width: 100%; }
    .education-container { padding: 1.5rem 1rem; border-radius: 20px; width: 100%; }
    .education-grid { 
        grid-template-columns: 1fr !important; 
        gap: 1.5rem !important;
        display: flex;
        flex-direction: column;
    }
    .h3-gradient { font-size: 1.25rem; margin-bottom: 0.8rem; text-align: left; }
    .education-item p { font-size: 0.9rem; line-height: 1.5; text-align: left; }
}

@media (max-width: 480px) {
    .hero-catalog-v3 {
        padding-top: 6rem;
        padding-bottom: 2rem;
    }
}