:root {
    --bg-color: #f4f4f4;
    --text-color: #333;
    --accent-color: #ff4d6d;
    --card-bg: #ffffff;
}

.dark-mode {
    --bg-color: #1a1a1a;
    --text-color: #f4f4f4;
    --accent-color: #ff4d6d;
    --card-bg: #2a2a2a;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color 0.3s, color 0.3s;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3 {
    font-weight: bold;
}

/* Navbar */

.navbar {
    background-color: var(--bg-color);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand img {
    height: 40px;
    margin-right: 10px;
}

.navbar-nav {
    display: flex;
    list-style-type: none;
}

.nav-item {
    margin-left: 1.5rem;
}

.nav-link {
    font-size: 1.3rem;
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--accent-color);
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
}

.toggle-slider {
    position: relative;
    width: 40px;
    height: 20px;
    background-color: #ccc;
    border-radius: 20px;
    transition: 0.3s;
}

.toggle-slider:before {
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    left: 1px;
    top: 1px;
    background-color: white;
    transition: 0.3s;
}

.dark-mode .toggle-slider {
    background-color: var(--accent-color);
}

.dark-mode .toggle-slider:before {
    transform: translateX(20px);
}

/* Portfolio */
.portfolio {
    padding: 100px 0 50px;
}

.portfolio h1 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 40px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.portfolio-item {
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    cursor: pointer;
}

.portfolio-item:hover {
    transform: translateY(-5px);
}

.portfolio-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.portfolio-item-content {
    padding: 20px;
}

.portfolio-item h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.portfolio-item p {
    color: var(--text-color);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.8);
}

.modal-content {
    position: relative;
    background-color: var(--bg-color);
    margin: 10% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 800px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: var(--accent-color);
    text-decoration: none;
    cursor: pointer;
}

.gallery {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.gallery img {
    width: 100%;
    max-width: 800px;
    height: auto;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.social-icons a {
    color: var(--text-color);
    transition: color 0.3s ease;
}

.social-icons a:hover {
    color: var(--accent-color);
}
/* Footer */
footer {
    text-align: center;
    padding: 20px 0;
    color: var(--text-color);
    background-color: var(--bg-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .portfolio h1 {
        font-size: 2.5rem;
    }

    .navbar-nav {
        display: none;
    }

    .navbar .container {
        flex-direction: column;
        align-items: flex-start;
    }

    .navbar-brand {
        margin-bottom: 1rem;
    }

    .theme-toggle {
        position: absolute;
        top: 1rem;
        right: 1rem;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
        margin: 5% auto;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}