/* Reset and base styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-color: #212121;
    --text-color: #dadada;
    --link-color: #6ab0de;
    --link-hover-color: #89c3e8;
    --muted-color: #909090;
    --card-bg: #2a2a2a;
    --border-color: #404040;
}

html {
    font-size: 16px;
    line-height: 1.6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}

/* Header */
header {
    padding: 2rem 0;
    text-align: center;
}

.site-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.site-title a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-title a:hover {
    color: var(--link-color);
}

/* Navigation */
nav {
    margin-top: 1rem;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.1rem;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

nav a:hover,
nav a.active {
    color: var(--link-color);
    border-bottom-color: var(--link-color);
}

/* Main content */
main {
    flex: 1;
    padding: 2rem 0;
}

/* Home page - Profile section */
.profile {
    text-align: center;
    padding: 2rem 0;
}

.avatar {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1.5rem;
    border: 4px solid var(--border-color);
    transition: border-color 0.3s ease;
}

.avatar:hover {
    border-color: var(--link-color);
}

.profile h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.profile .tagline {
    font-size: 1.3rem;
    color: var(--muted-color);
    margin-bottom: 2rem;
}

/* Social links */
.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
    text-decoration: none;
    padding: 0.75rem 1.25rem;
    background-color: var(--card-bg);
    border-radius: 8px;
    transition: all 0.2s ease;
    border: 1px solid var(--border-color);
}

.social-link:hover {
    background-color: var(--link-color);
    color: var(--bg-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(106, 176, 222, 0.3);
}

.social-link svg {
    width: 24px;
    height: 24px;
}

/* Skills page */
.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
}

.skills-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.skills-list li {
    background-color: var(--card-bg);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    text-align: center;
}

.skills-list li:hover {
    border-color: var(--link-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(106, 176, 222, 0.2);
}

/* Footer */
footer {
    padding: 2rem 0;
    text-align: center;
    color: var(--muted-color);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

footer a {
    color: var(--link-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 600px) {
    .profile h1 {
        font-size: 2rem;
    }

    .profile .tagline {
        font-size: 1.1rem;
    }

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

    .social-links {
        flex-direction: column;
        align-items: center;
    }

    .social-link {
        width: 100%;
        max-width: 250px;
        justify-content: center;
    }

    nav ul {
        gap: 1rem;
    }
}