.site-header {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(430px, 1.35fr) minmax(220px, auto);
  min-height: 82px;
  margin-top: 16px;
  overflow: hidden;
  color: var(--paper-light);
  background: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: 0 5px 0 var(--blue);
}

.brand {
  display: flex;
  align-self: stretch;
  min-width: 0;
  color: inherit;
  text-decoration: none;
  border-right: 1px solid rgba(255, 253, 247, 0.22);
}

.brand-index {
  display: grid;
  flex: 0 0 58px;
  place-content: center;
  gap: 3px;
  color: var(--paper-light);
  background: var(--blue);
  border-right: 1px solid rgba(255, 253, 247, 0.35);
  text-align: center;
}

.brand-index b,
.brand-index small {
  display: block;
  font-family: var(--mono);
  line-height: 1;
}

.brand-index b {
  font-size: 15px;
  letter-spacing: 0.06em;
}

.brand-index small {
  font-size: 8px;
  letter-spacing: 0.18em;
}

.brand-lockup {
  display: grid;
  align-content: center;
  min-width: 0;
  padding: 0 22px;
}

.brand-lockup strong,
.brand-lockup small {
  display: block;
}

.brand-lockup strong {
  font: 700 28px/0.94 var(--display);
  letter-spacing: -0.045em;
}

.brand-lockup small,
.register-item small,
.register-item strong,
.action-copy {
  font-family: var(--mono);
}

.brand-lockup small {
  margin-top: 7px;
  color: rgba(255, 253, 247, 0.64);
  font-size: 8px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.header-register {
  display: grid;
  grid-template-columns: minmax(150px, 0.8fr) minmax(250px, 1.2fr);
  min-width: 0;
}

.register-item {
  display: grid;
  align-content: center;
  min-width: 0;
  padding: 0 24px;
  border-right: 1px solid rgba(255, 253, 247, 0.22);
}

.register-item small,
.register-item strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.register-item small {
  margin-bottom: 7px;
  color: var(--acid);
  font-size: 8px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.register-item strong {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.header-action {
  display: flex;
  gap: 12px;
  align-items: center;
  align-self: stretch;
  min-width: 220px;
  padding: 0 22px;
  color: var(--ink);
  background: var(--acid);
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease;
}

.header-action:hover { background: var(--orange); }

.brand:hover .brand-index { background: var(--orange); }

.brand:focus-visible,
.header-action:focus-visible {
  z-index: 1;
  outline: 3px solid var(--orange);
  outline-offset: -5px;
}

.privacy-dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  background: var(--good);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(22, 117, 74, 0.16);
}

.action-copy {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.action-copy small,
.action-copy strong {
  display: block;
  white-space: nowrap;
}

.action-copy small {
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.action-copy strong {
  font-size: 11px;
  font-weight: 600;
}

.action-copy b { font-size: 14px; }

@media (max-width: 1120px) {
  .site-header { grid-template-columns: minmax(270px, 0.9fr) minmax(330px, 1fr) 200px; }
  .header-register { grid-template-columns: 0.7fr 1.3fr; }
  .register-item { padding-inline: 18px; }
  .header-action { min-width: 200px; padding-inline: 18px; }
}

@media (max-width: 900px) {
  .site-header { grid-template-columns: minmax(0, 1fr) auto; }
  .header-register { display: none; }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 68px;
    margin-top: 10px;
    box-shadow: 0 4px 0 var(--blue);
  }

  .brand-index { flex-basis: 50px; }
  .brand-lockup { padding-inline: 14px; }
  .brand-lockup strong { font-size: 22px; }
  .brand-lockup small { margin-top: 5px; font-size: 7px; }

  .header-action {
    min-width: 124px;
    gap: 9px;
    padding-inline: 14px;
  }

  .action-copy small { font-size: 7px; }
  .action-copy strong { font-size: 9px; }
}

@media (max-width: 420px) {
  .brand-index { flex-basis: 42px; }
  .brand-lockup { padding-inline: 10px; }
  .brand-lockup strong { font-size: 19px; }
  .brand-lockup small { display: none; }
  .header-action { min-width: 106px; padding-inline: 10px; }
  .header-action .privacy-dot { display: none; }
}