/* Hallmark · component: shared masthead · theme: Editorial (locked design.md) · nav: consistent masthead · v2.0.0 */
/* Hallmark · pre-emit critique: isolated chrome preserves identical navigation without changing tool workspaces. */
:root { --mcg-header-width: 1320px; --mcg-header-clear: transparent; }
.mcg-site-header { background: var(--color-paper); color: var(--color-ink); border-bottom: var(--rule-heavy) solid var(--color-ink); font-family: var(--font-display); font-size: 1rem; line-height: 1.55; }
.mcg-header-shell { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: 100%; max-width: var(--mcg-header-width); min-height: 96px; margin-inline: auto; padding-inline: 48px; box-sizing: border-box; }
.mcg-brand { display: flex; align-items: center; flex-shrink: 0; gap: 12px; color: var(--color-ink); text-decoration: none; font-family: var(--font-display); font-variation-settings: 'wdth' 75; }
.mcg-brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border: 2px solid var(--color-ink); font-size: 1.25rem; font-weight: 800; }
.mcg-brand-text { display: grid; }
.mcg-brand-text strong { font-size: 1.5625rem; line-height: 1.1; }
.mcg-brand-text small { font-size: .875rem; color: var(--color-muted); }
.mcg-desktop-nav { display: flex; flex-wrap: nowrap; gap: 20px; }
.mcg-desktop-nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0; border-bottom: 2px solid var(--mcg-header-clear); color: var(--color-ink); font-size: .875rem; line-height: 1.55; text-decoration: none; white-space: nowrap; }
.mcg-site-header a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--color-accent); text-underline-offset: 6px; }
.mcg-header-cta,.mcg-mobile-cta { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 12px 24px; border: 1px solid var(--color-ink); background: var(--color-ink); color: var(--color-paper); font-size: 1.125rem; font-weight: 500; line-height: 1.2; text-decoration: none; white-space: nowrap; }
.mcg-site-header a:hover { text-decoration: underline; }
.mcg-header-cta:hover,.mcg-mobile-cta:hover { background: var(--color-ink-2); color: var(--color-paper); }
.mcg-site-header a:active { opacity: .8; }
.mcg-site-header a:focus-visible,.mcg-mobile-menu summary:focus-visible,.mcg-skip-link:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 4px; }
.mcg-mobile-menu { display: none; margin: 0; padding: 0; border: 0; }
.mcg-mobile-menu summary { min-width: 72px; min-height: 44px; padding: 12px; border: 1px solid var(--color-ink); font-family: var(--font-display); font-size: .875rem; cursor: pointer; list-style: none; text-align: center; }
.mcg-mobile-menu summary::-webkit-details-marker { display: none; }
.mcg-mobile-menu summary:hover { background: var(--color-paper-2); }
.mcg-mobile-menu summary:active { opacity: .8; }
.mcg-mobile-nav { display: flex; flex-direction: column; gap: 0; padding-block: 12px; }
.mcg-mobile-menu:not([open]) .mcg-mobile-nav { display: none; }
.mcg-mobile-nav a { padding: 12px; min-height: 44px; font-size: 1rem; }
.mcg-mobile-nav .mcg-mobile-cta { margin-top: 12px; }
.mcg-skip-link { position: absolute; inset-block-start: -120px; inset-inline-start: 16px; padding: 16px; background: var(--color-ink); color: var(--color-paper); z-index: var(--z-modal); font-family: var(--font-display); }
.mcg-skip-link:focus-visible { inset-block-start: 16px; }
@media (max-width: 74rem) {
 .mcg-header-shell { display: grid; grid-template-columns: minmax(0,1fr) auto; min-height: 80px; padding: 16px 24px; }
 .mcg-desktop-nav,.mcg-header-cta { display: none; }
 .mcg-mobile-menu { display: block; }
 .mcg-mobile-menu[open] { grid-column: 1 / -1; }
 .mcg-mobile-menu[open] summary { width: fit-content; margin-left: auto; }
}
@media (max-width: 40rem) { .mcg-header-shell { padding-inline: 16px; gap: 12px; } .mcg-brand-text strong { font-size: 1.25rem; } .mcg-brand-text small { font-size: .75rem; } }