.site-header {
  position: fixed;
  inset: 1rem 0 auto;
  z-index: 100;
}
.site-header__inner {
  min-height: 4.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .7rem .85rem .7rem 1.15rem;
  border: 1px solid rgba(255, 255, 255, .78);
  border-radius: 999px;
  background: rgba(250, 248, 255, .72);
  box-shadow: 0 .9rem 3rem rgba(47, 31, 102, .09);
  backdrop-filter: blur(22px) saturate(130%);
  transition: background var(--motion-fast), box-shadow var(--motion-fast);
}
.site-header[data-scrolled="true"] .site-header__inner {
  background: rgba(250, 248, 255, .94);
  box-shadow: 0 1rem 3rem rgba(47, 31, 102, .16);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .72rem;
  text-decoration: none;
}
.brand img {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
}
.brand__copy { display: grid; line-height: 1; }
.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: .2em;
}
.brand__sub {
  margin-top: .35rem;
  color: var(--color-muted);
  font-size: .58rem;
  letter-spacing: .18em;
}
.site-nav { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2.2rem); }
.site-nav a {
  color: var(--color-ink-soft);
  font-size: .9rem;
  letter-spacing: .06em;
  text-decoration: none;
  transition: color var(--motion-fast);
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--color-brand-deep); }
.nav-toggle {
  display: none;
  min-width: 3.75rem;
  min-height: 2.75rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  color: var(--color-ink);
  background: rgba(255, 255, 255, .75);
}
.store-status {
  min-height: 2.55rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .55rem 1rem;
  border: 1px solid rgba(117, 87, 212, .22);
  border-radius: 999px;
  color: var(--color-brand-deep);
  background: rgba(255, 255, 255, .88);
  font-size: .8rem;
  letter-spacing: .08em;
  cursor: default;
  user-select: none;
}
.button {
  min-height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .72rem 1.4rem;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  transition: transform var(--motion-fast), box-shadow var(--motion-fast), filter var(--motion-fast);
}
.button:hover { transform: translateY(-2px) scale(1.02); }
.button:active { transform: translateY(0) scale(.99); }
.button--primary {
  color: #fff;
  background: var(--color-brand-deep);
  box-shadow: 0 .8rem 2rem rgba(68, 43, 145, .3);
}
.button--ghost {
  border-color: rgba(63, 43, 128, .22);
  color: var(--color-brand-deep);
  background: rgba(255, 255, 255, .52);
}
.glass-panel {
  border: 1px solid rgba(255, 255, 255, .82);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(20px) saturate(120%);
}
.site-footer {
  position: relative;
  padding: var(--space-7) 0 var(--space-4);
  border-top: 1px solid var(--color-line);
  background: rgba(238, 235, 251, .78);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.7fr repeat(4, 1fr);
  gap: var(--space-5);
}
.site-footer h2 {
  margin-bottom: .5rem;
  font-family: var(--font-body);
  font-size: .9rem;
  letter-spacing: .12em;
}
.site-footer nav { display: grid; align-content: start; gap: .4rem; }
.site-footer nav a,
.site-footer nav span,
.site-footer__about {
  color: var(--color-muted);
  font-size: .82rem;
  text-decoration: none;
}
.site-footer nav a:hover { color: var(--color-brand-deep); }
.site-footer__copyright {
  margin: var(--space-6) 0 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-line);
  color: var(--color-faint);
  font-size: .75rem;
  text-align: center;
}