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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fafafa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

nav {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.logo-link:hover {
    color: #666;
}

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

.nav-links a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: #666;
}

.nav-links a.active {
    color: #000;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #333;
}

main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
}

.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 600px;
}

.logo {
    max-width: 100%;
    height: auto;
    display: block;
}

main.content-page {
    align-items: flex-start;
    padding: 4rem 2rem;
}

.page-header {
    text-align: center;
    margin-bottom: 3rem;
    width: 100%;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 300;
    color: #333;
    letter-spacing: -0.02em;
}

.content-section {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.content-section p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 1.5rem;
}

.project-card {
    background-color: #fff;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.project-card h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.project-card p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: #555;
}

.project-card a {
    color: #333;
    text-decoration: underline;
    text-decoration-color: #ccc;
    text-underline-offset: 3px;
    transition: color 0.3s ease, text-decoration-color 0.3s ease;
}

.project-card a:hover {
    color: #000;
    text-decoration-color: #333;
}

footer {
    background-color: #fff;
    padding: 2rem;
    text-align: center;
    color: #666;
    border-top: 1px solid #eee;
}

footer p {
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .nav-links {
        gap: 1.5rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .project-card {
        padding: 1.5rem;
    }

    main {
        padding: 2rem 1rem;
    }
}