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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    padding: 2rem 1rem;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

.header {
    text-align: center;
    margin-bottom: 3rem;
}

.profile-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1.5rem;
    border: 2px solid #e0e0e0;
}

h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #000;
}

.social-links {
    font-size: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: #333;
    text-decoration: none;
    transition: color 0.2s;
}

.social-links a:hover {
    color: #000;
    text-decoration: underline;
}

.separator {
    margin: 0 0.5rem;
    color: #999;
}

main {
    margin-top: 3rem;
}

section {
    margin-bottom: 3rem;
}

h2 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #000;
    text-transform: lowercase;
}

.bio p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #444;
}

ul {
    list-style: none;
    padding-left: 0;
}

ul li {
    margin-bottom: 0.75rem;
}

ul li a {
    color: #333;
    text-decoration: none;
    transition: color 0.2s;
}

ul li a:hover {
    color: #000;
    text-decoration: underline;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1rem;
}

.video-card {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s, box-shadow 0.2s;
    border-radius: 8px;
    overflow: hidden;
    background-color: #f9f9f9;
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.video-thumbnail {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
}

.video-title {
    padding: 0.75rem;
    font-size: 0.95rem;
    color: #333;
    text-align: center;
}

@media (max-width: 600px) {
    body {
        padding: 1.5rem 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    .profile-image {
        width: 150px;
        height: 150px;
    }

    .bio p {
        font-size: 1rem;
    }

    .video-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}