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

html {
    scroll-behavior: smooth;
}

body {
    background-color: #fafafa;
    color: #000000;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    font-size: 18px;
    line-height: 1.65;
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #fafafa;
    border-bottom: 1px solid #e5e5e5;
    height: 64px;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

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

.nav-links a {
    color: #000000;
    text-decoration: none;
    font-size: 16px;
}

.nav-links a:hover {
    text-decoration: underline;
}

/* Main content */
main {
    margin-top: 64px;
}

.container {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 100px 0;
}

/* Hero section */
#hero {
    padding: 120px 0;
    background-color: #ffffff;
}

/* About section */
#about {
    background-color: #ffffff;
    border-top: 1px solid #e5e5e5;
}

/* Contact section */
#contact {
    background-color: #f7f7f7;
    border-top: 1px solid #e5e5e5;
}

h1 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

p {
    margin-bottom: 1.25rem;
}

/* About section list */
ul {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Links */
a {
    color: #000000;
    text-decoration: none;
    text-underline-offset: 2px;
    transition: color 120ms ease, text-decoration 120ms ease;
}

a:hover {
    text-decoration: underline;
    color: #1a1a1a;
}

/* Footer */
footer {
    background-color: #fafafa;
    border-top: 1px solid #e5e5e5;
    padding-top: 24px;
    padding-bottom: 2rem;
}

footer p {
    font-size: 13px;
    color: #666666;
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1.5rem;
    }

    .nav-links {
        gap: 1.5rem;
    }

    .container {
        padding: 0 1.5rem;
    }

    section {
        padding: 80px 0;
    }

    #hero {
        padding: 100px 0;
    }

    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.75rem;
    }
}