/**
 * Header, Navigation & Mega-Footer Styling (Dark Executive Theme)
 */

/* Header Bar - Deep Navy Background for White Logo */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-primary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    height: var(--header-height);
    display: flex;
    align-items: center;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.site-logo-img {
    height: 42px;
    width: auto;
    object-fit: contain;
    display: block;
}

/* Navigation Links */
.main-nav {
    display: none;
}

@media (min-width: 1024px) {
    .main-nav {
        display: flex;
        align-items: center;
        gap: var(--space-xl);
    }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
    margin: 0;
    padding: 0;
}

.nav-links a {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    color: #CBD5E1;
    padding: var(--space-xs) 0;
    position: relative;
    transition: color var(--transition-fast);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-xs);
    background: transparent;
    border: none;
    cursor: pointer;
}

@media (min-width: 1024px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-surface);
    transition: transform var(--transition-fast);
}

/* Site Footer */
.site-footer {
    background-color: var(--color-primary-dark);
    color: #E2E8F0;
    padding-top: var(--space-3xl);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo-img {
    height: 44px;
    width: auto;
    object-fit: contain;
    margin-bottom: var(--space-md);
    display: block;
}

.footer-brand p {
    color: #94A3B8;
    font-size: var(--text-sm);
    max-width: 360px;
    line-height: 1.6;
}

.footer-column h4 {
    color: var(--color-surface);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--space-xs);
}

.footer-links a {
    color: #94A3B8;
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    padding-top: var(--space-lg);
    padding-bottom: var(--space-lg);
    font-size: var(--text-xs);
    color: #64748B;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    justify-content: space-between;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
    }
}