:root {
    --bg: #fafafa;
    --fg: #1a1a1a;
    --muted: #666;
    --accent: #0066cc;
    --border: #e0e0e0;
    --card-bg: #fff;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #1a1a1a;
        --fg: #e0e0e0;
        --muted: #999;
        --accent: #66b3ff;
        --border: #333;
        --card-bg: #242424;
    }
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--fg);
    line-height: 1.6;
    font-size: 16px;
}

main {
    max-width: 640px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
}

header {
    margin-bottom: 3rem;
}

h1 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.tagline {
    color: var(--muted);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: var(--muted);
    transition: color 0.2s;
}

.social-links a:hover {
    color: var(--accent);
    text-decoration: none;
}

.social-links svg {
    width: 20px;
    height: 20px;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--fg);
}

section {
    margin-bottom: 2.5rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul {
    list-style: none;
}

ul li {
    margin-bottom: 0.75rem;
}

.period {
    color: var(--muted);
    font-weight: normal;
}

/* Contact Form */
#contact-form {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

input, textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    background: var(--bg);
    color: var(--fg);
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
}

button {
    background: var(--accent);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    font-weight: 500;
}

button:hover {
    opacity: 0.9;
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

#form-status {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 4px;
    display: none;
}

#form-status.success {
    display: block;
    background: #d4edda;
    color: #155724;
}

#form-status.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
}

footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.9rem;
}

footer a {
    color: var(--muted);
}