/* Certifications Section */
.certifications-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 50%, #ffffff 100%);
    position: relative;
}

.certifications-section .section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #1a2332;
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    width: 100%;
}

.certifications-section .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #00BFFF, #0066CC);
    border-radius: 2px;
}

.certifications-section .section-subtitle {
    font-size: 1.1rem;
    color: #5a6c7d;
    text-align: center;
    margin-bottom: 60px;
    font-weight: 400;
}

.cert-header {
    text-align: center;
    margin-bottom: 60px;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.cert-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background: white;
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.9);
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.1);
    position: relative;
    overflow: hidden;
}

.cert-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #00BFFF, #0066CC);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.cert-item:hover::before {
    transform: scaleX(1);
}

.cert-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 102, 204, 0.15);
    background: linear-gradient(135deg, #ffffff 0%, #f8fcff 100%);
}

.cert-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, rgba(0, 191, 255, 0.1), rgba(0, 102, 204, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #0066CC;
    transition: all 0.3s ease;
    position: relative;
}

.cert-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, #00BFFF, #0066CC);
    opacity: 0.2;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.2;
    }
    50% {
        transform: scale(1.2);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 0.2;
    }
}

.cert-item:hover .cert-icon {
    background: linear-gradient(135deg, #00BFFF, #0066CC);
    color: white;
    transform: scale(1.1);
}

.cert-item h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1a2332;
    margin-bottom: 0.8rem;
    line-height: 1.3;
}

.cert-item p {
    font-size: 0.95rem;
    color: #5a6c7d;
    line-height: 1.5;
    margin: 0;
    white-space: pre-line;
}

/* Applications Section */
.applications-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f0f8ff 0%, #e6f4ff 50%, #f0f8ff 100%);
    position: relative;
}

.applications-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(0, 191, 255, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(0, 102, 204, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.applications-section .section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #1a2332;
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    width: 100%;
}

.applications-section .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #00BFFF, #0066CC);
    border-radius: 2px;
}

.applications-section .section-subtitle {
    font-size: 1.1rem;
    color: #5a6c7d;
    text-align: center;
    margin-bottom: 50px;
    font-weight: 400;
}

.app-header {
    text-align: center;
    margin-bottom: 50px;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.app-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2.5rem 2rem;
    background: white;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.1);
    min-height: 200px;
    position: relative;
    overflow: hidden;
}

.app-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #00BFFF, #0066CC);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.app-item:hover::before {
    transform: scaleX(1);
}

.app-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 102, 204, 0.15);
    background: linear-gradient(135deg, #ffffff 0%, #f8fcff 100%);
}

.app-item i {
    font-size: 3rem;
    color: #0066CC;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, rgba(0, 191, 255, 0.1), rgba(0, 102, 204, 0.1));
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-item:hover i {
    color: white;
    background: linear-gradient(135deg, #00BFFF, #0066CC);
    transform: scale(1.1);
}

.app-item span {
    font-size: 1.15rem;
    color: #5a6c7d;
    font-weight: 600;
    line-height: 1.4;
}

/* Responsive */
@media (max-width: 1200px) {
    .cert-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .app-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .certifications-section,
    .applications-section {
        padding: 60px 0;
    }
    
    .certifications-section .section-title,
    .applications-section .section-title {
        font-size: 2rem;
    }
    
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .app-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .cert-item {
        padding: 1.5rem 1rem;
        min-height: 180px;
    }
    
    .app-item {
        padding: 1.5rem 1rem;
    }
    
    .cert-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .app-item {
        padding: 2rem 1.5rem;
    }
    
    .app-item i {
        font-size: 2.5rem;
        width: 70px;
        height: 70px;
    }
}