/* Certifications Section */
.certifications {
    min-height: 100vh;
    padding: 8rem 9% 4rem;
    background: linear-gradient(to bottom, rgba(14, 255, 255, 0.05), transparent);
}

.certifications .heading {
    font-size: 5.5rem;
    text-align: center;
    padding: 2rem;
    margin-bottom: 4rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
}

.certifications .heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 3px;
    background: var(--azul-color);
    box-shadow: 0 0 10px var(--azul-color);
}

.certifications .heading span {
    color: var(--azul-color);
    text-shadow: 0 0 15px var(--azul-color);
}

.certifications-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    padding-top: 2rem;
}

.certification-box {
    width: 20%;
    max-width: 1200px;
    margin: 2rem 0;
}

.certification-item {
    background: rgba(14, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 2px solid var(--azul-color);
    border-radius: 20px;
    padding: 3rem;
    margin: 2rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.certification-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(14, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.certification-item:hover::before {
    left: 100%;
}

.certification-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 30px var(--azul-color);
}

.certification-item img {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 10px;
    border: 2px solid var(--azul-color);
    margin-bottom: 2rem;
    transition: all 0.5s ease;
}

.certification-item:hover img {
    transform: scale(1.02);
    box-shadow: 0 0 20px var(--azul-color);
}

.certification-info {
    padding: 2rem;
}

.certification-info h4 {
    font-size: 2.4rem;
    margin-bottom: 1.5rem;
    color: var(--azul-color);
    text-shadow: 0 0 10px rgba(14, 255, 255, 0.3);
}

.certification-info p {
    font-size: 1.6rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--light-color);
}

.light-theme .certification-info p {
    color: var(--black-color);
}

.certification-info .btn {
    display: inline-block;
    padding: 1.2rem 3rem;
    background: var(--azul-color);
    border-radius: 50px;
    font-size: 1.6rem;
    color: var(--black-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.5s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.certification-info .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    transition: 0.5s ease;
    z-index: -1;
}

.certification-info .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px var(--azul-color);
}

.certification-info .btn:hover::before {
    width: 100%;
}

/* Responsive Design */
@media (max-width: 991px) {
    .certifications {
        padding: 7rem 4% 3rem;
    }

    .certifications .heading {
        font-size: 4.5rem;
    }

    .certification-info h4 {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .certifications .heading {
        font-size: 4rem;
    }

    .certification-item {
        padding: 2rem;
    }

    .certification-info h4 {
        font-size: 2rem;
    }

    .certification-info p {
        font-size: 1.4rem;
    }

    .certification-info .btn {
        padding: 1rem 2.5rem;
        font-size: 1.4rem;
    }
}

@media (max-width: 450px) {
    .certifications .heading {
        font-size: 3.5rem;
    }

    .certification-item {
        padding: 1.5rem;
    }

    .certification-info {
        padding: 1.5rem;
    }

    .certification-info h4 {
        font-size: 1.8rem;
    }

    .certification-info p {
        font-size: 1.3rem;
    }
}