.archive-site-header {
    --archive-paper: #f8f3ea;
    --archive-ink: #111;
    --archive-muted: #5f5a52;
    --archive-gutter: clamp(18px, 4vw, 34px);
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1000;
    width: min(calc(100% - (var(--archive-gutter) * 2)), 1220px);
    margin: 0 auto;
    padding: 24px clamp(12px, 2vw, 24px) 18px;
    border-bottom: 1px solid rgba(17, 17, 17, 0.06);
    background: linear-gradient(180deg, rgba(248, 243, 234, 0.92), rgba(248, 243, 234, 0.68));
    backdrop-filter: blur(14px);
    font-family: "Manrope", sans-serif;
}

.archive-site-header *,
.archive-site-header *::before,
.archive-site-header *::after {
    box-sizing: border-box;
}

.archive-brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    max-width: 100%;
    color: var(--archive-ink);
    font-weight: 800;
    letter-spacing: 0.02em;
    text-decoration: none;
}

.archive-brand-mark {
    display: grid;
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--archive-ink), #2a2927);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
    color: #f4efe4;
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.92rem;
}

.archive-brand-copy {
    min-width: 0;
}

.archive-brand-copy small {
    display: block;
    max-width: 38ch;
    color: var(--archive-muted);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    line-height: 1.4;
    text-transform: uppercase;
}

.archive-primary-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
}

.archive-primary-nav a {
    color: var(--archive-muted);
    font-size: 0.94rem;
    font-weight: 700;
    text-decoration: none;
}

.archive-primary-nav a:hover,
.archive-primary-nav a:focus-visible {
    color: var(--archive-ink);
}

.archive-brand:focus-visible,
.archive-primary-nav a:focus-visible {
    outline: 2px solid #0b7a75;
    outline-offset: 4px;
}

@media (max-width: 760px) {
    .archive-site-header {
        position: static;
        padding: 18px clamp(12px, 4.4vw, 20px) 16px;
    }

    .archive-primary-nav {
        display: none;
    }
}