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

:root {
    --black: #fafafa;
    --white: #0a0a0a;
    --gray: #999;
    --gray-light: #222;
    --accent: #4a7cff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--white);
    color: var(--black);
    line-height: 1.6;
    font-size: 16px;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-light);
    z-index: 100;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--black);
    text-decoration: none;
}

.contact-link {
    color: var(--gray);
    text-decoration: none;
    font-size: 0.9rem;
}

.contact-link:hover {
    color: var(--black);
}

/* Main Content */
main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    padding-top: 140px;
}

/* Hero */
.hero {
    margin-bottom: 100px;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 600;
    line-height: 1.2;
    max-width: 700px;
    margin-bottom: 1rem;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--gray);
}

/* Projects */
.projects {
    display: grid;
    gap: 80px;
    margin-bottom: 120px;
}

.project {
    display: grid;
    grid-template-columns: 80px 1fr;
    grid-template-rows: auto auto auto auto;
    gap: 0.5rem 2rem;
    padding-bottom: 80px;
    border-bottom: 1px solid var(--gray-light);
}

.project:last-child {
    border-bottom: none;
}

.project-number {
    grid-row: 1 / 5;
    font-size: 0.85rem;
    color: var(--gray);
    font-weight: 500;
    padding-top: 0.3rem;
}

.project h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.project-tagline {
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.project-desc {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 600px;
    margin-bottom: 1.5rem;
}

.project-details {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
}

.project-details li {
    font-size: 0.85rem;
    color: var(--black);
    position: relative;
    padding-left: 1rem;
}

.project-details li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
}

/* About */
.about {
    margin-bottom: 120px;
    max-width: 600px;
}

.about h2 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.about p {
    font-size: 1.1rem;
    color: var(--gray);
}

/* Footer */
footer {
    border-top: 1px solid var(--gray-light);
    padding: 2rem 0;
}

.footer-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

footer p {
    font-size: 0.85rem;
    color: var(--gray);
}

.footer-contact {
    font-family: monospace;
}

/* Responsive */
@media (max-width: 768px) {
    main {
        padding-top: 100px;
    }

    .hero {
        margin-bottom: 60px;
    }

    .projects {
        gap: 50px;
    }

    .project {
        grid-template-columns: 1fr;
        padding-bottom: 50px;
    }

    .project-number {
        grid-row: auto;
        margin-bottom: 0.5rem;
    }

    .project-details {
        flex-direction: column;
        gap: 0.5rem;
    }

    .footer-container {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
}