portfolio.css

/* General Styles */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    color: #333;
}

a {
    text-decoration: none;
    color: #007BFF;
}

a:hover {
    color: #0056b3;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: #fff;
    font-weight: bold;
}

/* Sections */
section {
    padding: 2rem;
    text-align: center;
}

.home-section {
    background: #f4f4f4;
}

.about-section {
    background: #fff;
}

.portfolio-section {
    background: #f9f9f9;
}

.contact-section {
    background: #eee;
}

/* Cards */
.card {
    border: 1px solid #ddd;
    border-radius: 5px;
    margin: 1rem auto;
    max-width: 400px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.card img {
    width: 100%;
    display: block;
}

.card-body {
    padding: 1rem;
}

.card-title {
    font-size: 1.5rem;
    margin: 0.5rem 0;
}

.card-text {
    font-size: 1rem;
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: #007BFF;
    color: #fff;
    border-radius: 3px;
    text-align: center;
}

.btn:hover {
    background: #0056b3;
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    justify-items: center;
}
.certifications-section {
    max-width: 1200px;
    margin: 50px auto;
    padding: 20px;
    text-align: center;
    background: #fff;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

.certifications-title {
    font-size: 2rem;
    color: #333;
    margin-bottom: 20px;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 10px;
}

.certifications-grid img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border: 2px solid #ddd;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.certifications-grid img:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.thumbnail {
    max-width: 100%;
    height: auto;
    cursor: pointer;
    border: 2px solid #ddd;
    border-radius: 5px;
    transition: transform 0.2s;
}

.thumbnail:hover {
    transform: scale(1.05);
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
}

.modal-content {
    max-width: 90%;
    max-height: 90%;
    margin: auto;
    display: block;
    border: 5px solid white;
    border-radius: 5px;
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 40px;
    font-size: 40px;
    font-weight: bold;
    color: white;
    cursor: pointer;
    user-select: none;
    z-index: 1001;
}

.close-btn:hover,
.close-btn:focus {
    color: #bbb;
}

@media (max-width: 768px) {
    .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .certifications-grid {
        grid-template-columns: 1fr;
    }
}
/* Form */
form {
    max-width: 400px;
    margin: 0 auto;
    text-align: left;
}

form input,
form textarea {
    width: 100%;
    padding: 0.5rem;
    margin: 0.5rem 0;
    border: 1px solid #ddd;
    border-radius: 3px;
}

form button {
    width: 100%;
    padding: 0.75rem;
    background: #007BFF;
    color: #fff;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

form button:hover {
    background: #0056b3;
}

/* Footer */
footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
}