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

:root {
    --black: #0a0a0a;
    --dark: #1a1a1a;
    --gray-dark: #3a3a3a;
    --gray: #6a6a6a;
    --gray-light: #9a9a9a;
    --off-white: #f5f5f5;
    --white: #fafafa;
    --transition-fast: 0.2s ease;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--white);
    color: var(--dark);
    line-height: 1.7;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    padding: 6rem 0 4rem;
}

h1 {
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
}

.subtitle {
    font-size: 0.875rem;
    color: var(--gray);
    font-weight: 400;
    letter-spacing: 0.02em;
}

section {
    padding: 2.5rem 0;
}

section + section {
    border-top: 1px solid var(--off-white);
}

h2 {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-light);
    margin-bottom: 1.5rem;
}

p {
    font-size: 0.9375rem;
    color: var(--gray-dark);
    margin-bottom: 1rem;
}

p:last-child {
    margin-bottom: 0;
}

ul {
    list-style: none;
}

li {
    font-size: 0.9375rem;
    color: var(--gray-dark);
    padding: 0.375rem 0;
}

li::before {
    content: "·";
    margin-right: 0.75rem;
    color: var(--gray-light);
}

a {
    color: var(--dark);
    text-decoration: none;
    border-bottom: 1px solid var(--gray-light);
    transition: border-color var(--transition-fast);
}

a:hover {
    border-color: var(--dark);
}

.link-item {
    display: block;
    padding: 1rem 0;
    border-bottom: 1px solid var(--off-white);
}

.link-item:last-child {
    border-bottom: none;
}

.link-item a {
    border-bottom: none;
}

.link-title {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--dark);
    margin-bottom: 0.25rem;
    display: inline-block;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-fast);
}

.link-item:hover .link-title {
    border-color: var(--dark);
}

.link-meta {
    font-size: 0.8125rem;
    color: var(--gray);
}

footer {
    padding: 4rem 0 6rem;
    border-top: 1px solid var(--off-white);
}

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

.social-links a {
    font-size: 0.875rem;
    color: var(--gray);
    border-bottom: none;
    transition: color var(--transition-fast);
}

.social-links a:hover {
    color: var(--dark);
}

@media (max-width: 600px) {
    header {
        padding: 4rem 0 3rem;
    }

    h1 {
        font-size: 1.375rem;
    }

    section {
        padding: 2rem 0;
    }

    .container {
        padding: 0 1.5rem;
    }

    footer {
        padding: 3rem 0 4rem;
    }

    .social-links {
        gap: 1.5rem;
    }
}