body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    width: 100%;
}

header {
    position: sticky;
    top: 0;
    background: rgba(28, 28, 30, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    padding: var(--space-md) 0;
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

nav .logo {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    text-decoration: none;
}

nav .nav-links {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
}

nav .nav-links a {
    color: var(--color-text-secondary);
    transition: color var(--transition-base);
    font-weight: 500;
    text-decoration: none;
}

nav .nav-links a:hover,
nav .nav-links a.active {
    color: var(--color-accent);
}

main {
    flex: 1;
    padding: var(--space-2xl) 0;
}

footer {
    background: var(--color-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-2xl) 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}