:root {
    --primary-bg: #181a20;
    --secondary-bg: #23262f;
    --accent: #00bfae;
    --text: #eaeaea;
    --text-muted: #a0a0a0;
    --border: #2d313a;
}

body {
    background: var(--primary-bg);
    color: var(--text);
    font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
    margin: 0;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 48px auto;
    background: var(--secondary-bg);
    border-radius: 18px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.28);
    padding: 40px 32px 24px 32px;
}

header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    border-bottom: 1px solid var(--border);
    padding-bottom: 18px;
    margin-bottom: 36px;
}

header h1 {
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--accent);
    margin: 0 0 10px 0;
    letter-spacing: 1px;
}

nav {
    display: flex;
    gap: 24px;
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
    position: relative;
}

nav a::after {
    content: '';
    display: block;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.2s;
    position: absolute;
    left: 0;
    bottom: -2px;
}

nav a:hover {
    color: var(--accent);
}
nav a:hover::after {
    width: 100%;
}

main h2 {
    color: var(--accent);
    margin-top: 0;
    font-size: 1.6rem;
}

ul {
    padding-left: 24px;
    margin: 18px 0;
}

li {
    margin-bottom: 8px;
}

footer {
    margin-top: 44px;
    text-align: right;
    color: var(--text-muted);
    font-size: 0.95em;
    border-top: 1px solid var(--border);
    padding-top: 12px;
    letter-spacing: 0.5px;
}