/* Base Styles */
:root {
    --primary: #3b82f6;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --bg-dark: #111111;
    --text-dark: #f8fafc;
    --bg-light: #ffffff;
    --text-light: #1e293b;
    --transition: all 0.3s ease;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
}

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

body {
    font-family: "Segoe UI", system-ui, sans-serif;
    line-height: 1.6;
    background: var(--bg-dark);
    color: var(--text-dark);
    transition: var(--transition);
    height: 100vh;
    margin: 0;
    overflow: hidden;
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    color: inherit;
    z-index: 100;
    transition: var(--transition);
}

.theme-toggle:hover {
    transform: rotate(180deg);
    background: var(--primary);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    text-align: center;
    position: relative;
    z-index: 1;
    opacity: 0;
    animation: fadeIn 1s ease-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.avatar {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    margin-bottom: 1.5rem;
    border: 4px solid var(--primary);
    object-fit: cover;
    box-shadow: 0 0 30px var(--primary);
}

.description {
    font-size: 1rem;
    color: var(--text-dark);
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto 1.5rem;
    line-height: 1.6;
}

body[data-theme="light"] .description {
    color: var(--text-light);
}

/* Typing Animation */
.headline {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    position: relative;
    text-shadow: 0 0 10px var(--primary);
    padding: 0 1rem;
}

.cursor {
    animation: blink 1s infinite;
    color: var(--primary);
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

/* Social Links */
.social-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
}

.social-link {
    font-size: 1.75rem;
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    color: var(--primary);
    transform: translateY(-3px);
}

/* Theme Styles */
body[data-theme="light"] {
    background: var(--bg-light);
    color: var(--text-light);
}

body[data-theme="light"] .social-links {
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

body[data-theme="light"] .theme-toggle {
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

body[data-theme="light"] .headline {
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

body[data-theme="light"] .avatar {
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .headline {
        font-size: 1.75rem;
    }

    .social-links {
        padding: 1rem;
        gap: 1.25rem;
        margin: 1rem;
        width: calc(100% - 2rem);
    }

    .social-link {
        font-size: 1.5rem;
    }

    .avatar {
        width: 140px;
        height: 140px;
    }

    .theme-toggle {
        top: 0.75rem;
        right: 0.75rem;
    }

    .description {
        font-size: 0.9rem;
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .headline {
        font-size: 1.5rem;
    }

    .social-links {
        padding: 0.75rem;
        gap: 1rem;
    }

    .social-link {
        font-size: 1.25rem;
    }

    .avatar {
        width: 120px;
        height: 120px;
        margin-bottom: 1rem;
    }

    .description {
        font-size: 0.85rem;
    }
}