:root {
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --bg-primary: #000000;
    --link-color: #60a5fa;
    --link-hover: #93c5fd;
    --border-color: #334155;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    display: flex;
    justify-content: center;
    padding: 4rem 1.5rem;
}

.container {
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
}

header {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 400;
}

main {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
}

.intro p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.contact-links {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.contact-links h2 {
    margin-bottom: 0.75rem;
}

.contact-links ul {
    list-style: none;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.contact-links li {
    font-size: 1.05rem;
}

.contact-links a {
    display: inline-flex;
    align-items: center;
    color: var(--text-secondary);
    transition: color 0.15s ease, opacity 0.15s ease, transform 0.15s ease;
}

.contact-links a:hover,
.contact-links a:focus {
    color: var(--text-primary);
    text-decoration: none;
    transform: translateY(-2px);
}

.contact-links svg {
    flex-shrink: 0;
}

a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

a:hover, a:focus {
    color: var(--link-hover);
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-color: var(--link-hover);
}