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

body {
    font-family: Arial, sans-serif;
    background: #ffffff;
    color: #222222;
}

.landing-page {
    min-height: 100vh;

    display: flex;
    flex-direction: column;

    justify-content: center;
    align-items: center;

    text-align: center;
}

.profile-image {
    width: 200px;
    height: 200px;

    object-fit: cover;

    border-radius: 50%;

    margin-bottom: 25px;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.tagline {
    font-size: 1.1rem;
    margin-bottom: 35px;
}

.main-links {
    display: flex;
    gap: 30px;
}

.main-links a {
    text-decoration: none;
    color: #222222;

    font-size: 1rem;

    padding: 10px 5px;

    border-bottom: 2px solid transparent;

    transition: border-color 0.2s ease;
}

.main-links a:hover {
    border-bottom: 2px solid #222222;
}

.projects-page {
    max-width: 1000px;
    margin: 0 auto;
    padding: 80px 30px;
}

.projects-page h1 {
    margin-bottom: 50px;
}

.project {
    margin-bottom: 60px;
}

.project h2 {
    margin-bottom: 15px;
}

.project p {
    margin-bottom: 10px;
    line-height: 1.6;
    
}

.technologies {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
    margin-bottom: 20px;
}

.technologies span {
    background: #222222;
    color: #ffffff;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    line-height: 1;
}

.back-link {
    display: inline-block;
    margin-top: 20px;

    text-decoration: none;
    color: #222222;
}

.project-demo {
    display: block;
    width: 500px;
    max-width: 900px;
    margin: 40px auto;
    border: 1px dotted #222222;
}

@media (max-width: 600px) {
    .profile-image {
        width: 150px;
        height: 150px;
    }

    h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1rem;
        margin-bottom: 25px;
    }

    .main-links {
        gap: 20px;
    }

    .projects-page {
        padding: 50px 20px;
    }

    .projects-page h1 {
        margin-bottom: 35px;
    }

    .project {
        margin-bottom: 45px;
    }
}

.about-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 30px;
}

.about-page h1 {
    margin-bottom: 50px;
}

.about-section {
    margin-bottom: 40px;
}

.about-section h2 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.about-section p {
    line-height: 1.7;
}

.about-page .back-link {
    margin-top: 10px;
}