.demo-site-header {
    position: fixed;
    top: 16px;
    left: 16px;
    right: 16px;
    z-index: 5000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    pointer-events: none;
}

.demo-site-header__group {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.demo-site-header__group > * {
    pointer-events: auto;
}

.demo-site-header__brand,
.demo-site-header__link,
.demo-site-header__title {
    border-radius: 999px;
    border: 1px solid var(--demo-header-border, rgba(32, 27, 24, 0.12));
    background: var(--demo-header-bg, rgba(255, 253, 248, 0.84));
    color: var(--demo-header-fg, #201b18);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 10px 30px var(--demo-header-shadow, rgba(32, 27, 24, 0.08));
}

.demo-site-header__brand,
.demo-site-header__link {
    text-decoration: none;
}

.demo-site-header__brand {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 11px 15px;
    font: 700 0.92rem/1 Georgia, "Times New Roman", serif;
    letter-spacing: 0.08em;
}

.demo-site-header__brand span {
    color: var(--demo-header-accent, #955f3b);
}

.demo-site-header__title,
.demo-site-header__link {
    font: 600 0.72rem/1 "Helvetica Neue", Helvetica, Arial, sans-serif;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.demo-site-header__title {
    padding: 11px 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: min(44vw, 420px);
}

.demo-site-header__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 14px;
    transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.demo-site-header__brand:hover,
.demo-site-header__link:hover {
    transform: translateY(-1px);
}

body[data-demo-header-theme="dark"] {
    --demo-header-bg: rgba(10, 10, 15, 0.68);
    --demo-header-fg: #f4efe7;
    --demo-header-accent: #ffb875;
    --demo-header-border: rgba(255, 255, 255, 0.12);
    --demo-header-shadow: rgba(0, 0, 0, 0.22);
}

@media (max-width: 720px) {
    .demo-site-header {
        top: 12px;
        left: 12px;
        right: 12px;
        gap: 8px;
    }

    .demo-site-header__title {
        display: none;
    }

    .demo-site-header__brand,
    .demo-site-header__link {
        padding: 10px 12px;
        font-size: 0.68rem;
    }
}