:root {
    --purple-primary: #8B5CF6;
    --purple-hover: #7C3AED;
    --text-muted: #6B7280;
    --border-color: #E5E7EB;
    --card-bg: #FFFFFF;
    --section-bg: #F9FAFB;
}

body {
    background: #F5F5F5;
}

.card {
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    transition: all 0.3s ease;
    border-radius: 18px;
}

.card:hover {
    border-color: var(--purple-primary);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.15);
}

.card-title{
    color: #292984;
}

.newsletter-section {
    background: url(../img/certificate_background.svg) no-repeat center;
    background-size: cover;
    border-radius: 24px;
}

.hero-image {
    height: 400px;
    object-fit: cover;
    border: 1px solid var(--border-color);
}

.article-image {
    height: 200px;
    object-fit: cover;
}

.category-badge {
    background-color: rgba(139, 92, 246, 0.1);
    color: var(--purple-primary);
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.gradient-overlay {
    background: linear-gradient(to top, rgba(0,0,0,0.3), transparent);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    line-height: 1.1;
}

.blog-date{
    color: #4CB23C;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 30px;
        line-height: 40px;
    }
}