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

body {
    font-family: 'Arial', sans-serif;
    background-color: #121212;
    color: #ffffff;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

h1 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: #fff;
}

/* Header */
.site-header {
    background-color: #000;
    padding: 1rem;
    text-align: center;
}

.logo {
    max-height: 60px;
}

/* Footer */
.site-footer {
    background-color: #111;
    padding: 1.5rem 1rem;
    text-align: center;
    color: #ccc;
    font-size: 0.9rem;
    margin-top: 2rem;
}

.social-links {
    margin-top: 0.5rem;
}

.social-links a {
    color: #888;
    margin: 0 0.5rem;
    text-decoration: none;
}

.social-links a:hover {
    color: #fff;
    text-decoration: underline;
}



.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 1rem;
}

.portfolio-card {
    background-color: #1e1e1e;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s ease;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

.portfolio-card img {
    width: 100%;
    object-fit: cover;
}

.portfolio-card h3 {
    padding: 1rem;
    color: #fff;
}

.portfolio-card p {
    padding: 0 1rem 1rem;
    color: #aaa;
}

/* Modal 樣式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
}

.modal-content {
    position: relative;
    width: 90%;
    height: 90%;
    margin: 2% auto;
    background-color: #1e1e1e;
    border-radius: 10px;
    box-shadow: 0px 0px 5px 5px #333;
}

.close-button {
    position: absolute;
    right: 20px;
    top: 10px;
    color: #fff;
    font-size: 30px;
    cursor: pointer;
    z-index: 1001;
}

.close-button:hover {
    color: #aaa;
}

#modal-iframe {
    width: 100%;
    height: 100%;
    border-radius: 10px;
}

/* RWD 響應式設計 */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    h1 {
        font-size: 2rem;
    }

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

    .modal-content {
        width: 95%;
        height: 95%;
        margin: 2.5% auto;
    }
}