/* Article Header */
.article-header {
    position: relative;
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    background: var(--hero-gradient);
    overflow: hidden;
}

.article-header-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.header-gradient-orb {
    position: absolute;
    top: -150px;
    right: -150px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(68, 215, 182, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: orbFloat 20s ease-in-out infinite;
}

.header-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(31, 58, 101, 0.05) 1px, transparent 1px),
        radial-gradient(circle at 80% 70%, rgba(68, 215, 182, 0.05) 1px, transparent 1px);
    background-size: 100px 100px, 150px 150px;
    animation: float 30s ease-in-out infinite;
}

.article-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.article-breadcrumb a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.article-breadcrumb a:hover {
    color: var(--primary-color);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.article-category,
.article-read-time,
.article-date {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
}

.article-category {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--accent-gradient);
    color: var(--white);
    border-radius: var(--border-radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-read-time,
.article-date {
    color: var(--text-secondary);
}

.article-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.article-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-2xl);
    max-width: 800px;
}