.site-header {
    position: sticky;
    top: 0;
    z-index: 150;
    background: var(--white);
    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.1);
    border-radius: var(--br-lg);
}

.site-header-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 24px;
    padding: 14px 24px;
}

.home-brand {
    grid-column: 1;
}

.site-nav {
    grid-column: 2;
}

.site-header-action {
    grid-column: 3;
}

.home-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}

.home-brand-logo {
    width: 40px;
    height: 40px;
}

.home-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.home-brand-title {
    font-size: var(--font-xl);
    font-weight: 800;
    color: #16305c;
}

.home-brand-title-accent {
    font-weight: 500;
    color: #3f7fd1;
}

.home-brand-subtitle {
    font-size: var(--font-base);
    color: var(--gray-mid);
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
}

.site-nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: var(--br-full);
    font-size: var(--font-md);
    font-weight: 600;
    color: var(--gray-mid);
    text-decoration: none;
    transition: background 0.15s ease, color 0.15s ease;
}

.site-nav-link i[data-lucide] {
    width: 18px;
    height: 18px;
}

.site-nav-link:hover {
    background: var(--cyan-bg);
    color: var(--cyan);
}

.site-nav-link-active {
    background: var(--cyan-bg);
    color: var(--cyan);
}

.site-header-action {
    display: flex;
    align-items: center;
    gap: 8px;
}