/* Articles Grid */
.articles-section {
    padding: 4rem 0 6rem;
}
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}
.article-card {
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(226, 232, 240, 0.6);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
}
.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(63, 125, 32, 0.02) 0%, rgba(114, 176, 29, 0.02) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
}
.article-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    border-color: rgba(114, 176, 29, 0.3);
}
.article-card:hover::before {
    opacity: 1;
}
.card-image {
    height: 220px;
    background: linear-gradient(135deg, #f0f9f4 0%, #e8f5e8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.card-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(63, 125, 32, 0.05) 0%, rgba(114, 176, 29, 0.05) 100%);
}
.card-image i {
    font-size: 3.5rem;
    color: var(--color-green-primary);
    opacity: 0.8;
    transition: all 0.4s ease;
    position: relative;
    z-index: 2;
}
.article-card:hover .card-image i {
    transform: scale(1.1);
    opacity: 1;
}
.card-content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    padding: 2rem;
    position: relative;
    z-index: 2;
}
.card-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-gray-dark);
    margin-bottom: 1rem;
    line-height: 1.4;
    transition: color 0.3s ease;
}
.article-card:hover .card-title {
    color: var(--color-green-primary);
}
.card-excerpt {
    color: var(--color-gray-dark);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-grow: 1;
    margin-bottom: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-gray-light);
    font-size: 0.9rem;
    color: var(--color-gray-dark);
}
.card-actions {
    display: flex;
    justify-content: flex-end;
}
.read-more-btn {
    background: linear-gradient(135deg, var(--color-green-primary) 0%, var(--color-green-light) 100%);
    color: var(--color-white);
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(63, 125, 32, 0.2);
}
.read-more-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}
.read-more-btn:hover {
    background: linear-gradient(135deg, var(--color-green-dark) 0%, var(--color-green-primary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(63, 125, 32, 0.3);
}
.read-more-btn:hover::before {
    left: 100%;
}
/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }
/* Responsive Design */
@media (max-width: 1200px) {
    .articles-grid {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
        gap: 2rem;
    }
}
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-subtitle {
        font-size: 1.1rem;
    }
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    .search-filter-container {
        flex-direction: column;
        align-items: stretch;
    }
    .search-box {
        min-width: auto;
        max-width: none;
    }
    .filter-tabs {
        justify-content: center;
    }
    .articles-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .card-content {
        padding: 1.5rem;
    }
    .card-actions {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    .read-more-btn {
        text-align: center;
    }
}