/* Footer — the site's route board.
   Sits under the close section's city stage on every page. Left: the
   agency's card (mark, tagline, address, mail, LinkedIn). Right: the page
   tree from sitemap.mjs as four columns, each a kicker over a ruled list —
   the same kicker-dot and hairline grammar the sections use. Markup is
   generated by build-pages.mjs. */

.bp-footer {
  position: relative; z-index: 4;             /* above the stage's sticky sky */
  background: var(--sc-canvas);
  border-top: 1px solid rgba(242,242,242,.14);
  padding: clamp(56px, 8vh, 96px) clamp(20px, 5vw, 48px) 0;
  color: var(--sc-ink-soft);
  font: 400 14px/1.5 var(--sc-font-text);
}
.bp-footer__wrap {
  max-width: 1240px; margin: 0 auto;
  display: grid; grid-template-columns: minmax(0, 30%) minmax(0, 70%);
  gap: clamp(32px, 6vw, 96px); align-items: start;
}

/* the card */
.bp-footer__brand { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.bp-footer__brand > a:first-child { display: block; margin-bottom: 6px; }
.bp-footer__brand img { display: block; height: 22px; width: auto; }
.bp-footer__tag {
  margin: 0 0 8px;
  font: 600 clamp(1.3rem, 1.8vw, 1.6rem)/1.05 var(--sc-font-display); text-transform: uppercase; letter-spacing: .02em; color: var(--sc-ink);
}
.bp-footer__addr { font-style: normal; color: var(--sc-ink-soft); }
.bp-footer__mail, .bp-footer__li {
  color: var(--sc-ink); text-decoration: none;
  font: 500 14px/1 var(--sc-font-text);
  padding-bottom: 3px; border-bottom: 1px solid rgba(242,242,242,.28);
  transition: border-color 180ms;
}
.bp-footer__mail:hover, .bp-footer__li:hover { border-color: var(--sc-ink); }
.bp-footer__li { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }

/* the columns */
.bp-footer__cols { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(20px, 3vw, 40px); }
.bp-footer__k {
  display: flex; align-items: center; gap: 10px; margin: 0 0 14px;
  font: 500 12px/1 var(--sc-font-text); letter-spacing: .14em; text-transform: uppercase; color: var(--sc-ink-soft);
}
.bp-footer__k::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--sc-accent); flex: none; }
.bp-footer__col ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid rgba(242,242,242,.14); }
.bp-footer__col li { border-bottom: 1px solid rgba(242,242,242,.08); }
.bp-footer__col a {
  display: block; padding: 9px 0; color: var(--sc-ink-soft); text-decoration: none;
  font: 400 13.5px/1.3 var(--sc-font-text); transition: color 160ms, padding-left 220ms var(--sc-ease-out);
}
.bp-footer__col a:hover { color: var(--sc-ink); padding-left: 6px; }
.bp-footer__col a.is-hub { color: var(--sc-ink); font-weight: 500; }
.bp-footer__col .bp-footer__k--sub { margin-top: clamp(22px, 3vh, 32px); }
.bp-footer__col a:focus-visible { outline: 2px solid var(--sc-accent); outline-offset: 2px; border-radius: 2px; }

/* The Grid's strip: Bamp's platform, not a Bamp page. It sits apart from
   the page tree with its own green dot, and the link out names the domain. */
.bp-footer__platform {
  max-width: 1240px; margin: clamp(40px, 6vh, 64px) auto 0;
  display: flex; align-items: center; flex-wrap: wrap; gap: 12px 28px;
  padding: 18px 0; border-top: 1px solid rgba(242,242,242,.14);
}
.bp-footer__platform .bp-footer__k { margin: 0; }
.bp-footer__platform .bp-footer__k::before { background: #22c55e; }
.bp-footer__pnote { margin: 0 auto 0 0; font: 400 13.5px/1.4 var(--sc-font-text); }
.bp-footer__pnote b { color: var(--sc-ink); font-weight: 500; }
.bp-footer__platform a {
  color: var(--sc-ink); text-decoration: none; font: 500 13px/1 var(--sc-font-text);
  padding-bottom: 3px; border-bottom: 1px solid rgba(242,242,242,.28); transition: border-color 180ms;
}
.bp-footer__platform a:hover { border-color: var(--sc-ink); }
.bp-footer__platform a:focus-visible { outline: 2px solid var(--sc-accent); outline-offset: 2px; }
.bp-footer__out::after { content: " ↗"; }
@media (max-width: 640px) { .bp-footer__pnote { flex-basis: 100%; } }

.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* the bar */
.bp-footer__bar {
  max-width: 1240px; margin: clamp(40px, 6vh, 64px) auto 0;
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  padding: 22px 0 26px; border-top: 1px solid rgba(242,242,242,.12);
  font: 400 12px/1.5 var(--sc-font-text); color: var(--sc-ink-soft); letter-spacing: .02em;
}

@media (max-width: 960px) {
  .bp-footer__wrap { grid-template-columns: 1fr; gap: 40px; }
  .bp-footer__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .bp-footer { padding-top: 56px; }
  .bp-footer__cols { gap: 24px 16px; }               /* two columns still fit the short labels */
  .bp-footer__col a { font-size: 13px; padding: 8px 0; }
  .bp-footer__bar { flex-direction: column; gap: 6px; }
}
.bp-footer__platform + .bp-footer__bar { margin-top: 0; }