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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #61dafb 0%, #282c34 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: rgba(255, 255, 255, 0.95);
    margin-top: 20px;
    margin-bottom: 20px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px 0;
    background: linear-gradient(45deg, #61dafb, #21a0c4);
    color: white;
    border-radius: 10px;
    margin: -20px -20px 40px -20px;
}

h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

h2 {
    font-size: 2em;
    color: #21a0c4;
    margin-bottom: 10px;
    border-bottom: 3px solid #61dafb;
    padding-bottom: 10px;
}

.bio-section {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 40px;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 10px;
    border-left: 5px solid #61dafb;
}

.profile-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid #61dafb;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
}

.bio-text {
    flex: 1;
    font-size: 1.1em;
    line-height: 1.8;
}

.github-link {
    display: inline-block;
    background: #333;
    color: white;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    transition: all 0.3s ease;
    margin: 20px 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.github-link:hover {
    background: #555;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

#expert-topics {
    background: #e8f4fd;
    padding: 30px;
    border-radius: 10px;
    margin: 30px 0;
    border: 2px solid #61dafb;
}

#expert-topics h3 {
    color: #21a0c4;
    margin-bottom: 20px;
    font-size: 1.5em;
}

#expert-topics ul {
    list-style: none;
    padding: 0;
}

#expert-topics li {
    background: white;
    margin: 10px 0;
    padding: 15px 20px;
    border-radius: 8px;
    border-left: 4px solid #61dafb;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
}

#expert-topics li:hover {
    transform: translateX(5px);
}

.source-link {
    display: inline-block;
    background: #4ECDC4;
    color: white;
    padding: 8px 18px;
    text-decoration: none;
    border-radius: 18px;
    font-weight: bold;
    font-size: 0.95em;
    margin: 12px 0;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.18);
}

.source-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}

.faq-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.faq-table th {
    background: linear-gradient(45deg, #61dafb, #21a0c4);
    color: white;
    padding: 15px;
    text-align: left;
    font-weight: bold;
    font-size: 1.1em;
}

.faq-table td {
    padding: 15px;
    border-bottom: 1px solid #eee;
    vertical-align: top;
}

.faq-table tr:nth-child(even) {
    background: #f8f9fa;
}

.faq-table tr:hover {
    background: #e8f4fd;
    transition: background 0.2s ease;
}

.back-link {
    display: inline-block;
    background: #6c757d;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 20px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.back-link:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .bio-section {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-image {
        width: 150px;
        height: 150px;
    }
    
    h1 {
        font-size: 2em;
    }
    
    .container {
        margin: 10px;
        padding: 15px;
    }
}