/* Header */
.header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.logo-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: #0a0a0a;
    border-radius: var(--radius-md);
    padding: 3px;
    flex-shrink: 0;
}

.logo-badge img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.logo-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
}

.nav-link:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text);
}

.nav-link.active {
    background: var(--color-primary);
    color: white;
}

/* Mobile */
.mobile-menu-toggle {
    display: none;
    padding: var(--spacing-sm);
}

.mobile-nav {
    display: none;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md);
}

.mobile-nav.open {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-nav-link {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
}

.mobile-nav-link:hover {
    background: var(--color-bg-secondary);
}

@media (max-width: 768px) {
    .nav { display: none; }
    .mobile-menu-toggle { display: block; }
}

/* Footer */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-2xl) 0;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-badge {
    width: 32px;
    height: 32px;
}

.footer-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.footer-title {
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-link {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.footer-link:hover {
    color: var(--color-primary);
}

.footer-bottom {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.footer-copyright {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}