/* ============================================================
   CFO Interactive — Site layout (header, footer, page shell)
   ============================================================ */

/* ─── Header ─── */
.site-header {
  padding-block: var(--space-5) 0;
  background: transparent;
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-10));
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: clamp(var(--space-4), 2vw, var(--space-8));
  flex-wrap: nowrap;
  /* container context: nav scales with the header box, not the viewport */
  container-type: inline-size;
  container-name: header;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  border-bottom: none !important;
  flex: 0 0 auto;
}
.brand:hover { color: var(--color-text); }

/* Logo — real image, circular */
.brand-mark {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1;
}

/* Brand name — Archivo Black wordmark, the loudest element */
.brand-text-1 {
  font-family: var(--font-babies-display);   /* Archivo Black */
  font-weight: 400;                           /* already ultra-bold; don't stack 700+ */
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-brand-teal);
}

.brand-text-1 {
  color: var(--color-brand-teal);          /* light mode: your teal wordmark */
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.02em;
}
/* Dark mode: use the logo's pink so it matches the mark */
[data-theme='dark'] .brand-text-1 {
  color: var(--color-babies);
}


/* Motto removed from header */
/* .brand-text-2 { display: none; } */
.brand-text-3 {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  margin-top: 1px;
}

@media (max-width: 640px) {
  .brand-text-2 { display: none; }   /* long tagline still hidden */
  .brand-text-3 { display: block; }  /* attribution now visible */
}
/* ─── Primary nav ─── */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex: 0 1 auto;
  flex-wrap: nowrap;
  white-space: nowrap;
  margin-left: auto;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-bottom: 1px solid transparent;
  padding-block: 4px;
}
.site-nav a:hover,
.site-nav a.is-active {
  color: var(--color-text);
  border-bottom-color: var(--color-primary);
}

/* ─── Large header container: scale up, then FREEZE at cap ─── */
@container header (min-width: 900px) {
  .brand-mark   { width: 52px; height: 52px; }
  .brand-text-1 { font-size: 1.1rem; letter-spacing: 0.05em; }
  .site-nav     { gap: 2rem; }
  .site-nav a   { font-size: 0.9rem; letter-spacing: 0.13em; }
}

.theme-toggle {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-offset); }

.header-rule {
  max-width: 1080px;
  margin: var(--space-4) auto 0;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-10));
}
.header-rule::before {
  content: '';
  display: block;
  height: 3px;
  margin-bottom: 3px;
  background: var(--color-text);
}
.header-rule::after {
  content: '';
  display: block;
  height: 1px;
  background: var(--color-text);
  opacity: 0.85;
}

/* ─── Page shell ─── */
.page {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(var(--space-8), 6vw, var(--space-16)) clamp(var(--space-5), 4vw, var(--space-10));
}
.page-wide {
  max-width: 1080px;
}

/* ─── Footer ─── */
.site-foot {
  margin-top: var(--space-20);
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.foot-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-10));
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-6);
  align-items: end;
}
.foot-blurb {
  font-family: var(--font-mono);
  /* font-style: italic; */
  font-size: var(--text-lg);
  color: var(--color-text);
  max-width: 50ch;
}
.foot-tagline {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}
.foot-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  text-align: right;
}
.foot-meta a { color: var(--color-text-muted); border-bottom: none; }
.foot-meta a:hover { color: var(--color-text); }

.foot-attr{ font-family:var(--font-mono); font-size:var(--text-xs); text-transform:uppercase; letter-spacing:.1em; color:var(--color-text-muted); }

/* ─── Mobile ─── */
@media (max-width: 720px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    flex-wrap: wrap;
  }
  .site-nav {
    width: 100%;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-left: 0;
  }
  .foot-inner {
    grid-template-columns: 1fr;
    text-align: left;
  }
  .foot-meta { text-align: left; }
}