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

:root {
    --bg-color: #0a0a0a;
    --text-color: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-color: #ffffff;
    --social-hover: #cccccc;
}

body.light-theme {
    --bg-color: #ffffff;
    --text-color: #0a0a0a;
    --text-secondary: #4a4a4a;
    --accent-color: #0a0a0a;
    --social-hover: #333333;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4rem;
}

.logo {
    display: flex;
    align-items: center;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.avatar:hover {
    transform: scale(1.1);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.nav-links a:hover {
    opacity: 0.7;
}

.theme-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.2);
}

.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 4rem 0;
}

.title {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease;
}

.subtitle {
    font-size: clamp(1rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.social-links {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.social-links a {
    color: var(--text-color);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-links a:hover {
    color: var(--social-hover);
    transform: translateY(-5px);
}

.bio {
    max-width: 800px;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    animation: fadeInUp 0.8s ease 0.6s both;
}

footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--text-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .social-links {
        gap: 1.5rem;
    }
    
    .social-links svg {
        width: 28px;
        height: 28px;
    }
}