/* Reset and base styles */
* {
    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: #000;
    background-color: #fff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

p {
    margin-bottom: 1rem;
}

/* Logo hero section */
.hero {
    padding: 4rem 0 2rem 0;
    text-align: center;
}

.hero .logo img {
    height: 400px;
    width: auto;
}

/* Main content */
main {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

/* Intro section */
.intro {
    padding: 3rem 0;
    text-align: center;
    border-bottom: 1px solid #000;
    margin-bottom: 3rem;
}

.intro h1 {
    font-size: 3rem;
    font-weight: 300;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    /* hidden for accessibility*/
    visibility: hidden;
    height: 0;
    margin: 0;
}

.subtitle {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    color: #000;
}

.description {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* About section */
.about {
    padding: 2rem 0;
    border-bottom: 1px solid #000;
    margin-bottom: 3rem;
}

.about h2 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
}

.about p {
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 700px;
}

/* Projects section */
.projects {
    padding: 2rem 0;
}

.projects h2 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.section-description {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
}

.projects-list {
    margin-top: 1rem;
}

.project {
    border: 1px solid #000;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: background-color 0.2s ease;
}

.project:hover {
    background-color: #f8f8f8;
}

.project h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.project p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    color: #333;
}

.project a {
    color: #000;
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid #000;
    padding-bottom: 2px;
    transition: opacity 0.2s ease;
}

.project a:hover {
    opacity: 0.6;
}

/* Footer */
footer {
    border-top: 1px solid #000;
    padding: 2rem;
    text-align: center;
    margin-top: auto;
}

footer p {
    font-size: 0.9rem;
    color: #666;
}

/* Responsive design */
@media (max-width: 768px) {
    main {
        padding: 0 1rem;
    }

    .intro h1 {
        font-size: 2rem;
    }

    .hero .logo img {
        height: 60px;
    }

    .project {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .intro h1 {
        font-size: 1.75rem;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .description {
        font-size: 1rem;
    }

    .hero .logo img {
        height: 50px;
    }
}