/* Page Header for separate pages */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: #2e2e3e;
    text-align: center;
    padding: 8rem 5% 4rem;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 3rem;
    margin: 0;
    font-weight: 700;
}

/* Certifications Section */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.certification-card {
    display: flex;
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: var(--transition);
    padding: 1.5rem;
}

.certification-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.certification-icon {
    flex: 0 0 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.certification-icon i {
    font-size: 3rem;
    color: var(--primary-color);
}

.certification-content {
    flex: 1;
    padding-left: 1.5rem;
}

.certification-content h3 {
    margin: 0 0 0.5rem;
    color: var(--primary-color);
}

.certification-content .issuer {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.certification-content .date {
    font-size: 0.8rem;
    opacity: 0.8;
    margin-bottom: 1rem;
}

.certification-content .description {
    margin-bottom: 1.5rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

/* Project page enhancements */
.project-links {
    display: flex;
    gap: 1rem;
    padding: 0 1.5rem 1rem;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0 1.5rem 1.5rem;
}

.tech-stack span {
    background-color: var(--shadow-color);
    color: var(--text-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

/* Active state for navigation */
.nav-links a.active {
    color: var(--primary-color);
    font-weight: 700;
}