.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 22px 16px;
  border-bottom: 1px solid var(--rule);
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand-link {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.brand-dot {
  color: var(--red);
}

.page-shell {
  width: min(100%, 920px);
  margin: 0 auto;
  padding: 18px 22px 30px;
}

.section-rule {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.section-rule-text {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--ink-4);
  white-space: nowrap;
}

.section-rule::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.card {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 16px;
}

.btn-red,
.btn-ink {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.1px;
  transition: background 0.15s, transform 0.12s;
}

.btn-red {
  color: #fff;
  background: var(--red);
  box-shadow: 0 2px 12px rgba(204, 0, 0, 0.25);
}

.btn-red:hover {
  background: var(--red-dark);
}

.btn-red:active {
  transform: scale(0.985);
}

.btn-ink {
  color: #fff;
  background: var(--ink);
}

.btn-ink:hover {
  background: #2a2a2a;
}

.btn-ink:active {
  transform: scale(0.985);
}

.muted {
  color: var(--ink-4);
}