/* Variables de diseño - Personaliza aquí tus colores */
:root {
    --primary-color: #0055a4; /* Azul UTP */
    --text-main: #2d3436;
    --text-muted: #636e72;
    --border-color: #f1f2f6;
    --transition: all 0.3s ease;
}

#education {
    padding: 80px 0;
}

/* Filters */
.blog__filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border: 1px solid #e0e0e0;
    border-radius: 24px;
    background: #fff;
    color: var(--primary-color);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: #1a1a1a;
    color: #1a1a1a;
}

.filter-btn.active {
    background: #1a1a1a;
    color: #fff;
    border-color: #1a1a1a;
}

/* Blog Grid */
.blog__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin: 0 auto;
}

/* Blog Card */
.blog-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.blog-card__image {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.blog-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.blog-card:hover .blog-card__image img {
    transform: scale(1.05);
}

/* Overlay for CTA */
.blog-card__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.blog-card:hover .blog-card__overlay {
    opacity: 1;
}

.blog-card__cta {
    background: #fff;
    color: #1a1a1a;
    padding: 12px 24px;
    border-radius: 24px;
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.2s ease;
}

.blog-card__cta:hover {
    transform: scale(1.05);
}

/* Card Content */
.blog-card__content {
    padding: 24px;
}

.blog-card__title {
    font-size: 1.15rem;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.4;
    margin-bottom: 12px;
}

.blog-card__excerpt {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Meta Info */
.blog-card__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid #f0f0f0;
}

.blog-card__author {
    display: flex;
    align-items: center;
    gap: 10px;
}

.author-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.author-name {
    font-size: 0.85rem;
    color: #444;
    font-weight: 500;
}

.read-time {
    font-size: 0.8rem;
    color: #888;
    font-weight: 500;
}

/* Contenedor de la cuadrícula */
.education__grid {
    display: grid;
    grid-template-columns: 1fr; /* Una columna en móvil */
    gap: 2rem;
    margin-top: 3rem;
}

@media (min-width: 992px) {
    .education__grid {
        grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    }
}

/* Tarjeta Estilo Minimalista */
.education__card {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.education__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    border-color: var(--primary-color);
}

/* Layout interno de la tarjeta */
.education__content-wrapper {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 1.5rem;
    align-items: start;
}

/* Contenedor del Logo */
.education__logo-container {
    margin: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border-radius: 8px;
    padding: 10px;
}

.education__logo {
    max-width: 100%;
    filter: grayscale(20%);
    transition: var(--transition);
}

.education__card:hover .education__logo {
    filter: grayscale(0%);
}

/* Tipografía */
.education__title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.education__institution {
    font-size: 0.95rem;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.education__specialization {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Detalles y Listas */
.education__details {
    margin-top: 1rem;
    font-size: 0.88rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.education__list {
    padding-left: 1.2rem;
    margin-top: 0.5rem;
}

.education__list li {
    margin-bottom: 0.4rem;
}

/* Badge de Fecha */
.education__date {
    grid-column: 1 / -1; /* Ocupa todo el ancho abajo */
    margin-top: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    display: flex;
    justify-content: flex-end;
}

/* Modificador para destacar Herrenknecht (opcional) */
.education__card--highlight {
    border-left: 4px solid var(--accent-color);
}

/* Responsive */
@media (max-width: 768px) {
    .blog__grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .blog__filters {
        gap: 8px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
}