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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, sans-serif;
    background-color: #121212;
    color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 40px 20px;
}

.page-container {
    width: 100%;
    max-width: 800px;
    display: flex;
    flex-direction: column;
}

.card {
    background-color: #1e1e1e;
    width: 100%;
    padding: 60px 50px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    margin-bottom: 30px;
}

.avatar-image {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    margin-bottom: 20px;
}

.intro-grid {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    margin-bottom: 60px;
}

.hero-text h2 {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.3;
}

.contact-box {
    border-left: 2px solid #ffffff;
    padding-left: 20px;
    font-size: 1rem;
    line-height: 1.6;
    color: #eeeeee;
    min-width: 200px;
}

.contact-box a {
    color: #888;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.contact-box a:hover {
    color: #ffffff;
}

.bio-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.bio-block {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #cccccc;
}

.secret-link {
    color: inherit;
    text-decoration: none;
}

.secret-link:hover {
    color: inherit;
    text-decoration: none;
}

.footer-line {
    border: 0;
    height: 1px;
    background: #333333;
    margin-bottom: 25px;
}

.site-footer {
    text-align: center;
    font-size: 0.85rem;
    color: #666666;
}

.footer-logo-container {
    margin-bottom: 12px;
    display: flex;
    justify-content: center;
}

.footer-logo {
    max-height: 40px;
    width: auto;
    display: block;
    opacity: 0.6;
}

.footer-address {
    margin-bottom: 4px;
}

.footer-year {
    font-size: 0.8rem;
    color: #444444;
}

@media (max-width: 600px) {
    .intro-grid {
        flex-direction: column;
        gap: 30px;
    }
    
    .card {
        padding: 30px 20px;
    }
}