/* ===== Certifications Section ===== */
.certifications {
    background-color: var(--bg-color);
    position: relative;
    overflow: hidden;
}

.certifications::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 90% 10%, rgba(79, 70, 229, 0.1), transparent 30%);
    z-index: -1;
}

.certifications-container {
    margin-top: 2rem;
}

.certifications-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background-color: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.certification-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    box-shadow: var(--shadow);
}

.certification-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(79, 70, 229, 0.3);
}

.certification-badge {
    padding: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(79, 70, 229, 0.05);
    border-bottom: 1px solid var(--border-color);
    height: 120px;
    position: relative;
    overflow: hidden;
}

.certification-badge::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(
        transparent,
        rgba(79, 70, 229, 0.1),
        transparent 30%
    );
    animation: rotate-bg 8s linear infinite;
    z-index: 1;
}

.certification-badge::after {
    content: '';
    position: absolute;
    inset: 5px;
    background: rgba(79, 70, 229, 0.05);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    z-index: 2;
}

.certification-badge i,
.certification-badge img {
    position: relative;
    z-index: 3;
    transition: all 0.5s ease;
}

.certification-badge i {
    font-size: 3.5rem;
    color: var(--primary-color);
}

.certification-badge img {
    max-width: 80px;
    max-height: 80px;
    object-fit: contain;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
}

.certification-card:hover .certification-badge i,
.certification-card:hover .certification-badge img {
    transform: scale(1.1) rotate(5deg);
}

@keyframes rotate-bg {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.certification-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.certification-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-color);
    line-height: 1.4;
}

.certification-issuer {
    display: flex;
    flex-direction: column;
    margin-bottom: 0.75rem;
}

.issuer {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.issue-date {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: 0.25rem;
}

.credential-id {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-bottom: 0.75rem;
    font-family: monospace;
    background-color: rgba(79, 70, 229, 0.05);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    display: inline-block;
}

.certification-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.cert-skill {
    background-color: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
    padding: 0.2rem 0.6rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.cert-skill:hover {
    background-color: var(--primary-color);
    color: white;
}

.certifications-more {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

.load-more-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.load-more-btn i {
    transition: transform 0.3s ease;
}

.load-more-btn.active i {
    transform: rotate(180deg);
}

/* Initially hide certifications beyond the first 6 */
.certification-card:nth-child(n+7) {
    display: none;
}

/* When show-all class is added, display all certifications */
.certifications-grid.show-all .certification-card {
    display: flex;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .certifications-filter {
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.4rem 1rem;
        font-size: 0.8rem;
    }
    
    .certifications-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .certification-badge {
        height: 100px;
        padding: 1rem;
    }

    .certification-badge i {
        font-size: 2.5rem;
    }

    .certification-badge img {
        max-width: 70px;
        max-height: 70px;
    }
    
    .certification-content {
        padding: 1.25rem;
    }
    
    .certification-content h3 {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-btn {
        font-size: 0.75rem;
        padding: 0.35rem 0.8rem;
    }
}