/* Certificates Section Styles */
.certificates-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.certificate-card {
    background-color: rgba(30, 30, 30, 0.7);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(21, 170, 41, 0.2);
    cursor: pointer;
    position: relative;
}

.certificate-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 2px solid transparent;
    border-radius: 12px;
    background: linear-gradient(135deg, #15aa29, transparent) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: destination-out;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: 1;
}

.certificate-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(21, 170, 41, 0.3);
}

.certificate-card:hover::before {
    opacity: 1;
    animation: borderGlow 3s infinite alternate;
}

@keyframes borderGlow {
    0% {
        box-shadow: 0 0 5px rgba(21, 170, 41, 0.3);
    }
    100% {
        box-shadow: 0 0 15px rgba(21, 170, 41, 0.7);
    }
}

.certificate-image {
    aspect-ratio: 4/3;
    overflow: hidden;
    position: relative;
}

.certificate-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.7));
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.certificate-card:hover .certificate-image::after {
    opacity: 0.4;
}

.certificate-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.certificate-card:hover .certificate-image img {
    transform: scale(1.1);
}

.certificate-content {
    padding: 1.2rem;
    position: relative;
}

.certificate-title {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
    color: #ffffff;
    position: relative;
}

.certificate-title::before {
    content: '';
    position: absolute;
    width: 30px;
    height: 2px;
    background-color: #15aa29;
    bottom: -5px;
    left: 0;
    transition: width 0.3s ease;
}

.certificate-card:hover .certificate-title::before {
    width: 50px;
}

.certificate-issuer {
    margin: 0.7rem 0 0.3rem;
    font-size: 0.85rem;
    color: #15aa29;
    display: flex;
    align-items: center;
}

.certificate-issuer::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: #15aa29;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.certificate-date {
    margin: 0.3rem 0 0;
    font-size: 0.75rem;
    color: #999999;
}

.certificate-marker {
    position: absolute;
    top: 0.7rem;
    right: 0.7rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #15aa29;
    box-shadow: 0 0 10px rgba(21, 170, 41, 0.7);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(21, 170, 41, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(21, 170, 41, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(21, 170, 41, 0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .certificates-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .certificates-container {
        grid-template-columns: 1fr;
    }
}

/* Certificate Modal Styles */
.certificate-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.certificate-modal.active {
    opacity: 1;
    visibility: visible;
}

.certificate-modal__content {
    background-color: #1a1a1a;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    border-radius: 10px;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 0 30px rgba(21, 170, 41, 0.3);
    border: 1px solid rgba(21, 170, 41, 0.3);
    animation: modalIn 0.5s ease forwards;
}

@keyframes modalIn {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.certificate-modal__header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.certificate-modal__title {
    margin: 0;
    font-size: 1.5rem;
    color: #15aa29;
}

.certificate-modal__close {
    background: none;
    border: none;
    color: #ffffff;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.certificate-modal__close:hover {
    color: #15aa29;
    transform: rotate(90deg);
}

.certificate-modal__body {
    padding: 1.5rem;
}

.certificate-modal__image {
    width: 100%;
    border-radius: 5px;
    margin-bottom: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(21, 170, 41, 0.2);
    overflow: hidden;
}

.certificate-modal__image img {
    width: 100%;
    height: auto;
    display: block;
}

.certificate-modal__details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .certificate-modal__details {
        grid-template-columns: 1fr;
    }
}

.certificate-modal__info {
    background-color: rgba(30, 30, 30, 0.7);
    border-radius: 10px;
    padding: 1.2rem;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(21, 170, 41, 0.2);
}

.certificate-modal__info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: #15aa29;
}

.certificate-modal__info h3 {
    margin-top: 0;
    color: #15aa29;
    font-size: 1.2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.certificate-modal__info p {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.certificate-modal__description {
    margin-top: 1.5rem;
}

.certificate-modal__description h3 {
    margin-top: 0;
    color: #15aa29;
    font-size: 1.2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.certificate-modal__description p {
    line-height: 1.8;
    margin-bottom: 1rem;
}