/* Shared chrome used by both the landing page and the demo: header shell,
   footer, buttons, and generic section/eyebrow utilities. Page-specific
   styling (the demo's hero intro, tabs, matching visuals, and the landing
   page's own sections) lives in each page's own stylesheet. */

/* ---------- Site header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: var(--header-height);
  padding: 10px 0;
}
@media (max-width: 400px) {
  .site-header__inner { gap: 10px; }
  .brand__name { font-size: 0.9rem; }
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  text-decoration: none;
  flex-shrink: 0;
}
.brand__mark {
  width: 10px; height: 10px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--accent), var(--navy-800));
  display: inline-block;
}
.brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--navy-900);
  letter-spacing: 0.01em;
}
.brand__tag {
  display: none;
  font-size: 0.72rem;
  color: var(--text-muted);
}
@media (min-width: 720px) {
  .brand__tag { display: inline; }
}

/* ---------- Section utilities ---------- */
.eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 10px;
}
.section { padding: 56px 0; }
.section--tinted { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section__title { font-size: clamp(1.4rem, 3vw, 1.9rem); }
.section__intro { max-width: 62ch; margin-bottom: 28px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 11px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--navy-900);
  color: #fff;
}
.btn--primary:hover { background: var(--accent-strong); }
.btn--secondary {
  background: transparent;
  color: var(--navy-900);
  border-color: var(--border-strong);
}
.btn--secondary:hover { border-color: var(--accent); color: var(--accent-strong); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-950);
  color: var(--text-inverse-muted);
  padding: 40px 0;
  margin-top: 40px;
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
}
.site-footer__about { max-width: 46ch; }
.brand__name--footer { color: #fff; font-size: 1rem; }
.site-footer__note { font-size: 0.8rem; margin-top: 10px; color: var(--text-inverse-muted); }
.site-footer__contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}
.site-footer__heading {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-inverse-muted);
  margin-bottom: 2px;
}
.site-footer__link {
  font-size: 0.86rem;
  font-weight: 600;
  color: #fff;
}
.site-footer__link:hover { color: var(--accent); }