/* Repository Page - Premium Glass Theme */

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--oxford-navy) 0%, var(--academic-blue) 100%);
    color: var(--ivory-white);
    padding: 100px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(182, 138, 42, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(13, 43, 82, 0.4) 0%, transparent 40%);
    pointer-events: none;
}

.page-tag {
    display: inline-block;
    background: var(--glass-bg);
    color: var(--heritage-gold-light);
    padding: 8px 20px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.page-title {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 600;
    color: var(--ivory-white);
    margin-bottom: 16px;
}

.page-description {
    font-size: 1.125rem;
    color: rgba(248, 246, 241, 0.8);
    max-width: 700px;
    margin: 0 auto;
    font-family: var(--font-body);
    font-style: italic;
}

.repository-features,
.repository-system,
.repository-roles {
    padding: 80px 0;
}

.repository-features {
    background: linear-gradient(180deg, var(--ivory-white) 0%, var(--soft-parchment) 100%);
}

.repository-system {
    background: var(--soft-parchment);
}

.repository-roles {
    background: linear-gradient(180deg, var(--soft-parchment) 0%, var(--ivory-white) 100%);
}

.repository-grid,
.system-grid,
.roles-grid {
    display: grid;
    gap: 30px;
}

.repository-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.repository-card,
.system-card,
.role-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--ivory-white) 100%);
    border: 1px solid var(--parchment-dark);
    box-shadow: var(--shadow-sm);
    padding: 32px;
    border-radius: var(--border-radius-md);
    min-height: 260px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.repository-card::before,
.system-card::before,
.role-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--heritage-gold), var(--heritage-gold-light));
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.repository-card:hover,
.system-card:hover,
.role-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--heritage-gold);
}

.repository-card:hover::before,
.system-card:hover::before,
.role-card:hover::before {
    transform: scaleX(1);
}

.repository-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    display: block;
}

.system-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.roles-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.repository-card h3,
.system-card h3,
.role-card h3 {
    margin-bottom: 16px;
    color: var(--oxford-navy);
    font-size: 1.25rem;
    font-weight: 600;
}

.repository-card p,
.system-card p,
.role-card p {
    color: var(--gray);
    line-height: 1.75;
    font-size: 0.9375rem;
}

@media (max-width: 768px) {
    .page-title {
        font-size: 2.5rem;
    }
}