/**
 * Blog Styles - DRP Assurance
 * Estilos para la página principal del blog
 */

/* Variables heredadas del sitio principal */
:root {
    --azul-oscuro: #213B50;
    --azul-medio: #405A75;
    --verde-corporativo: #C2E03B;
    --gris: #AFBDC8;
    --gris-claro: #EEF3F4;
    --texto-principal: #393939;
    --blanco: #FFFFFF;
}

/* ===== BLOG HEADER ===== */
.blog-header {
    background: linear-gradient(135deg, rgba(33, 59, 80, 0.5) 0%, rgba(64, 90, 117, 0.5) 100%),
                url('../../assets/img/blog/placeholder.svg') center center/250% no-repeat;
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, rgba(33, 59, 80, 0.6) 100%);
    z-index: 1;
}

.blog-header .container {
    position: relative;
    z-index: 2;
}

/* Alternativa 1: Con parallax effect */
@media (min-width: 768px) {
    .blog-header {
        background-attachment: fixed;
    }
}

.blog-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--blanco);
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.blog-subtitle {
    font-size: 1.25rem;
    color: var(--gris-claro);
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* ===== FEATURED POST ===== */
.featured-post-section {
    padding: 60px 20px;
    background: var(--gris-claro);
}

.featured-post {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: var(--blanco);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(33, 59, 80, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.featured-post:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(33, 59, 80, 0.15);
}

.featured-image {
    position: relative;
    overflow: hidden;
    height: 400px;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.featured-post:hover .featured-image img {
    transform: scale(1.05);
}

.featured-content {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--azul-oscuro);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.featured-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.featured-title a:hover {
    color: var(--verde-corporativo);
}

.featured-excerpt {
    font-size: 1.1rem;
    color: var(--texto-principal);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.featured-meta {
    display: flex;
    align-items: center;
    gap: 2rem;
    font-size: 0.9rem;
    color: var(--azul-medio);
}

.author-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--verde-corporativo);
}

.author-name {
    font-weight: 500;
}

.read-time,
.post-date {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* ===== CATEGORY FILTER ===== */
.blog-filters {
    padding: 40px 0;
    background: var(--blanco);
    border-bottom: 1px solid var(--gris-claro);
}

.filter-wrapper {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--gris);
    background: transparent;
    color: var(--azul-medio);
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--verde-corporativo);
    color: var(--azul-oscuro);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--verde-corporativo);
    border-color: var(--verde-corporativo);
    color: var(--azul-oscuro);
}

/* ===== BLOG POSTS GRID ===== */
.blog-posts {
    padding: 60px 0;
    background: var(--gris-claro);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.post-card {
    background: var(--blanco);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(33, 59, 80, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(33, 59, 80, 0.15);
}

.post-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.post-card:hover .post-image img {
    transform: scale(1.05);
}

.category-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--verde-corporativo);
    color: var(--azul-oscuro);
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 20px;
    letter-spacing: 0.5px;
}

.post-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--azul-oscuro);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.post-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.post-title a:hover {
    color: var(--verde-corporativo);
}

.post-excerpt {
    color: var(--texto-principal);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
}

.post-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--azul-medio);
    margin-bottom: 1rem;
}

.read-more-link {
    color: var(--verde-corporativo);
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s ease;
}

.read-more-link:hover {
    gap: 1rem;
}

/* ===== LOAD MORE BUTTON ===== */
.load-more-wrapper {
    text-align: center;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 1rem;
    text-decoration: none;
    border-radius: 30px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-secondary {
    background: transparent;
    color: var(--azul-oscuro);
    border: 2px solid var(--azul-oscuro);
}

.btn-secondary:hover {
    background: var(--azul-oscuro);
    color: var(--blanco);
    transform: translateY(-2px);
}

/* ===== NEWSLETTER CTA ===== */
.newsletter-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul-medio) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.newsletter-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(194, 224, 59, 0.1) 0%, transparent 70%);
}

.newsletter-content {
    position: relative;
    z-index: 1;
}

.newsletter-content h3 {
    font-size: 2.5rem;
    color: var(--blanco);
    margin-bottom: 1rem;
}

.newsletter-content p {
    font-size: 1.2rem;
    color: var(--gris-claro);
    margin-bottom: 2rem;
}

.btn-primary {
    background: var(--verde-corporativo);
    color: var(--azul-oscuro);
    font-weight: 700;
}

.btn-primary:hover {
    background: var(--blanco);
    transform: translateY(-2px);
}

/* ===== ANIMACIONES ===== */
.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== LOADING & ERROR STATES ===== */
.loading-message,
.no-results,
.error-message {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--azul-medio);
    font-size: 1.1rem;
}

.error-message {
    background: var(--blanco);
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(33, 59, 80, 0.08);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .featured-post {
        grid-template-columns: 1fr;
    }
    
    .featured-image {
        height: 300px;
    }
    
    .featured-content {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .blog-title {
        font-size: 2rem;
    }
    
    .blog-subtitle {
        font-size: 1rem;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .featured-title {
        font-size: 1.5rem;
    }
    
    .featured-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .newsletter-content h3 {
        font-size: 1.75rem;
    }
    
    .newsletter-content p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .blog-header {
        padding: 60px 0 40px;
    }
    
    .featured-content {
        padding: 1.5rem;
    }
    
    .filter-wrapper {
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .post-content {
        padding: 1.5rem;
    }
    
    .post-title {
        font-size: 1.15rem;
    }
}