/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.card {
    background-color: var(--surface);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.card h3 {
    font-size: 1.75rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.card-meta {
    color: #666;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.card p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.disclaimer {
    text-align: center;
    font-style: italic;
    color: #666;
    margin-bottom: 3rem;
    font-size: 1.05rem;
}

/* Instructor Cards */
.instructor-card {
    background-color: var(--surface);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.instructor-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.instructor-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.instructor-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, #1a2050 100%);
    color: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 2rem;
    flex-shrink: 0;
}

.instructor-title h3 {
    font-size: 1.75rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.instructor-rank {
    color: #666;
    font-weight: 600;
    font-size: 1.1rem;
}

.instructor-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.detail-item {
    font-size: 1rem;
}

.detail-label {
    font-weight: 700;
    color: var(--primary);
    display: block;
    margin-bottom: 0.25rem;
}

.instructor-bio {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--muted);
    font-style: italic;
    color: #555;
    font-size: 1.05rem;
}

.placeholder-note {
    display: inline;
    color: #999;
    font-size: 0.95rem;
}