/* Shared components (C-02): nav pill, menu sheet, footer, placeholders, TBC chips.
   Facts: loaded after base.css by index.html; uses only semantic tokens; no other callers yet. */

/* header: zero-height sticky wrapper so the glass pill floats over the page */
.site-header { position: sticky; top: 0; z-index: var(--z-nav); height: 0; }
.nav {
  position: absolute; top: var(--space-3); left: 50%; transform: translateX(-50%);
  width: min(100% - 2 * var(--gutter), 68rem);
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
}
.nav__brand { display: block; margin-right: auto; line-height: 0; }
.nav__brand img { height: 36px; width: auto; }
.nav__links { display: none; }
.nav__cta { display: none; }
.nav__toggle {
  display: inline-grid; place-items: center; width: var(--tap); height: var(--tap);
  border: 0; border-radius: 50%; background: var(--color-primary); color: var(--color-on-primary); cursor: pointer;
}
.nav__toggle:hover { background: var(--color-primary-hover); }

@media (min-width: 900px) {
  .nav__links { display: flex; gap: var(--space-1); }
  .nav__links a {
    display: inline-flex; align-items: center; min-height: var(--tap); padding: 0 var(--space-4);
    border-radius: var(--radius-pill); color: var(--color-heading); font-weight: 600; text-decoration: none;
  }
  .nav__links a:hover, .nav__links a[aria-current="page"] { background: rgb(108 0 0 / .08); color: var(--color-heading); }
  .nav__cta { display: inline-flex; }
  .nav__toggle { display: none; }
}

/* menu sheet: bottom sheet on phones (the toggle is hidden from 900 px, so it never opens on desktop) */
.sheet {
  margin: auto 0 0; width: 100%; max-width: none; max-height: 85dvh; padding: var(--space-3) var(--gutter) var(--space-6);
  border: 0; border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--color-surface); color: var(--color-text);
}
.sheet::backdrop { background: rgb(30 20 22 / .45); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.sheet[open] { display: grid; gap: var(--space-4); animation: sheet-in var(--dur-3) var(--ease-out); }
@keyframes sheet-in { from { transform: translateY(100%); } }
.sheet__grab { width: 40px; height: 5px; margin: 0 auto; border-radius: 3px; background: var(--color-border); }
.sheet__head { display: flex; align-items: center; justify-content: space-between; }
.sheet__head img { height: 40px; width: auto; }
.sheet__close { display: inline-grid; place-items: center; width: var(--tap); height: var(--tap); border: 0; border-radius: 50%; background: var(--color-surface-2); color: var(--color-heading); cursor: pointer; }
.sheet__links { display: grid; }
.sheet__links a {
  display: flex; align-items: center; min-height: 52px; border-bottom: 1px solid var(--color-border);
  color: var(--color-heading); font: var(--heading-weight) var(--step-2)/1 var(--font-heading);
  text-transform: var(--heading-transform); letter-spacing: var(--heading-tracking); text-decoration: none;
}

/* footer (dark band) */
.site-footer { background: var(--color-bg); color: var(--color-text); padding-block: var(--space-8) var(--space-5); }
.footer__grid { display: grid; gap: var(--space-7); }
.footer__logo { height: 52px; width: auto; }
.footer__tagline { max-width: 22rem; margin: 0; }   /* light variant of the tagline art, sits straight on the dark band */
.footer__tagline img { width: 100%; height: auto; }
.footer__h { font-size: var(--step-1); margin-bottom: var(--space-3); }
.footer__row { display: flex; gap: var(--space-3); align-items: flex-start; margin: 0; }
.footer__row .icon { margin-top: .1em; color: var(--color-accent); }
.footer__list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.footer__list a { display: inline-block; padding-block: var(--space-1); }
.footer__legal { display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-5); justify-content: space-between; margin-top: var(--space-7); padding-top: var(--space-5); border-top: 1px solid var(--color-border); }
.footer__legal p { margin: 0; color: var(--color-text-muted); }
@media (min-width: 768px) { .footer__grid { grid-template-columns: 1.2fr 1.2fr .8fr; } }

/* unconfirmed facts and photo gaps are always visibly labelled */
.tbc {
  display: inline-block; padding: 0 .6em; border: 1.5px dashed currentColor; border-radius: var(--radius-pill);
  font: 600 var(--step--1)/1.6 var(--font-body); letter-spacing: .02em; white-space: nowrap; color: var(--color-accent);
}
.section:not(.band-dark) .tbc { color: var(--color-heading); }
.ph {
  display: grid; place-content: center; justify-items: center; gap: var(--space-2); text-align: center; padding: var(--space-5);
  border: 2px dashed var(--color-border); background: var(--color-surface-2); color: var(--color-heading);
}
.ph .icon { width: 2.5rem; height: 2.5rem; color: var(--color-primary); }
.ph strong { font: 600 var(--step--1)/1.3 var(--font-body); letter-spacing: .06em; text-transform: uppercase; }
.band-dark .ph .icon { color: var(--color-accent); }
.tap { display: inline-flex; align-items: center; min-height: 44px; }