:root {
    --bg-color: #ffffff;
    --text-color: #111111;
    --text-secondary: #666666;
    --accent-color: #000000;
    --border-color: #e5e5e5;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #0a0a0a;
        --text-color: #ededed;
        --text-secondary: #888888;
        --accent-color: #ffffff;
        --border-color: #333333;
    }
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    font-size: 16px;
}

.layout {
    max-width: 720px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
}

/* Header */
.header {
    margin-bottom: 6rem;
}

.logo {
    font-weight: 600;
    font-size: 1.125rem;
    letter-spacing: -0.02em;
    color: var(--text-color);
}

/* Typography & Content */
h1 {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-top: 3rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.0625rem;
}

.intro {
    margin-bottom: 4rem;
}

.intro p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 90%;
}

/* Contact */
.contact-section {
    margin-bottom: 4rem;
}

.email-link {
    display: inline-block;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid rgba(125, 125, 125, 0.3);
    transition: border-color 0.2s ease;
}

.email-link:hover {
    border-bottom-color: var(--accent-color);
}

/* Legal */
.divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 4rem 0;
}

.last-updated {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-style: italic;
}

/* Footer */
.footer {
    margin-top: 6rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 640px) {
    .layout {
        padding: 2rem 1.25rem;
    }

    h1 {
        font-size: 2rem;
    }

    .header {
        margin-bottom: 4rem;
    }
}