body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.profile-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.profile-picture {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    background-color: #e9ecef;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: #666;
}

.blog-title {
    font-size: 2.5rem;
    font-weight: 300;
    margin: 0;
}

.blog-subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    margin: 0.5rem 0 0 0;
    opacity: 0.9;
    font-style: italic;
}

.about-section {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    border-left: 5px solid #667eea;
}

.about-title {
    color: #667eea;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.blog-entry {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.blog-entry:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.entry-title, h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.3rem;
    font-weight: 500;
    color: #444444;
    margin-bottom: 1.1rem;
}

.entry-body {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.7;
}

.footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

.container {
    max-width: 800px;
}

@media (max-width: 768px) {
    .blog-title {
        font-size: 2rem;
    }

    .profile-picture {
        width: 120px;
        height: 120px;
    }
}

img {
    display: block;
    margin: 16px 0;
    width: 100%;
}

.video-wrapper {
    position: relative;
    width: 100%;        /* full width of the container (article) */
    padding-bottom: 56.25%; /* 16:9 aspect ratio (9/16 = 0.5625) */
    height: 0;          /* makes the container adjust with padding-bottom */
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}