.ip-hero {
  position: relative;
  padding-top: 76px;
  padding-bottom: 88px;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-border);
}

.ip-hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  top: -280px;
  left: 50%;
  width: 980px;
  height: 720px;
  transform: translateX(-50%);
  background: var(--gradient-atmosphere);
  opacity: 0.72;
}

.ip-hero-copy {
  max-width: 790px;
  margin-inline: auto;
  text-align: center;
}

.ip-hero-copy h1 {
  margin-bottom: 18px;
}

.ip-hero-copy .lead {
  margin-inline: auto;
}

.ip-stage {
  position: relative;
  max-width: 920px;
  min-height: 470px;
  margin: 52px auto 0;
  display: grid;
  place-items: center;
  isolation: isolate;
}

.ip-stage-grid {
  position: absolute;
  z-index: -3;
  inset: 0;
  background-image: linear-gradient(var(--color-grid) 1px, var(--color-transparent) 1px), linear-gradient(90deg, var(--color-grid) 1px, var(--color-transparent) 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, var(--color-text), var(--color-transparent) 72%);
  opacity: 0.72;
}

.ip-orbit {
  position: absolute;
  z-index: -1;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--color-globe);
  pointer-events: none;
}

.ip-orbit svg {
  width: min(720px, 88%);
  fill: none;
  stroke: currentColor;
  stroke-width: 1;
}

.lookup-panel {
  width: min(760px, calc(100% - 64px));
  overflow: hidden;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-device);
}

.lookup-topbar {
  min-height: 50px;
  padding: 0 17px;
  display: flex;
  align-items: center;
  gap: 15px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel-soft);
}

.lookup-topbar p {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 12px;
}

.lookup-dots {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.lookup-dots i {
  width: 8px;
  height: 8px;
  display: block;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
}

.lookup-dots i:first-child {
  border-color: var(--color-accent);
  background: var(--color-accent);
}

.lookup-dots i:nth-child(2) {
  border-color: var(--color-warn);
  background: var(--color-warn);
}

.lookup-state {
  min-height: 27px;
  margin-left: auto;
  padding: 0 9px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 650;
}

.lookup-state-dot {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: var(--radius-pill);
  background: var(--color-warn);
}

.lookup-state[data-state="success"] {
  border-color: var(--color-accent);
  background: var(--color-panel-accent);
  color: var(--color-accent-dark);
}

.lookup-state[data-state="success"] .lookup-state-dot {
  background: var(--color-success);
  box-shadow: 0 0 0 3px var(--color-accent-pale);
}

.lookup-state[data-state="error"] {
  color: var(--color-error);
}

.lookup-state[data-state="error"] .lookup-state-dot {
  background: var(--color-error);
}

.lookup-body {
  padding: 8px 22px 20px;
}

.result-list {
  margin: 0;
}

.result-row {
  min-height: 68px;
  display: grid;
  grid-template-columns: minmax(190px, 0.8fr) minmax(0, 1.2fr);
  align-items: center;
  gap: 24px;
  border-bottom: 1px solid var(--color-border);
}

.result-row dt {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--color-muted);
  font-size: 13px;
}

.result-row dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 650;
  text-align: right;
}

.result-code {
  width: 38px;
  min-height: 25px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-panel-soft);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.lookup-actions {
  padding-top: 19px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.lookup-actions p {
  margin: 0;
  color: var(--color-muted);
  font-size: 12px;
}

.lookup-actions .button svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.lookup-noscript {
  margin: 0;
  padding: 18px 22px;
  border-top: 1px solid var(--color-border);
  background: var(--color-panel-soft);
  color: var(--color-error);
  font-size: 13px;
}

.section-heading {
  max-width: 760px;
}

.interpret-layout {
  margin-top: 58px;
  display: grid;
  grid-template-columns: minmax(180px, 0.34fr) minmax(0, 1fr);
  gap: 72px;
  align-items: start;
}

.inspection-index {
  position: sticky;
  top: var(--toc-top);
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel-soft);
}

.inspection-index-title {
  margin-bottom: 14px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.inspection-index ul {
  margin: 0;
  padding: 0;
  display: grid;
  list-style: none;
}

.inspection-index li {
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 13px;
}

.inspection-index a:hover {
  color: var(--color-accent-dark);
}

.interpret-records {
  border-top: 1px solid var(--color-border);
}

.interpret-record {
  padding: 34px 0;
  display: grid;
  grid-template-columns: minmax(130px, 0.32fr) minmax(0, 1fr);
  gap: 38px;
  border-bottom: 1px solid var(--color-border);
}

.interpret-record-narrow > div {
  max-width: 650px;
}

.record-number {
  margin: 6px 0 0;
  color: var(--color-muted-light);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.07em;
}

.interpret-record h3 {
  font-size: 22px;
}

.interpret-record p:last-child {
  margin-bottom: 0;
  color: var(--color-muted);
}

.dns-section {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel-soft);
}

.dns-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.65fr) minmax(0, 1.35fr);
  gap: 80px;
  align-items: start;
}

.dns-copy {
  position: sticky;
  top: var(--toc-top);
}

.dns-checklist {
  border-top: 1px solid var(--color-border-strong);
}

.dns-step {
  padding: 28px 0;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 18px;
  border-bottom: 1px solid var(--color-border);
}

.dns-step-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.dns-step h3 {
  margin-bottom: 8px;
  font-size: 19px;
}

.dns-step p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.dns-boundary {
  margin-top: 48px;
  padding: 24px;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 18px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}

.dns-boundary-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel-accent);
  color: var(--color-accent-dark);
}

.dns-boundary-icon svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.dns-boundary h3 {
  margin-bottom: 6px;
  font-size: 18px;
}

.dns-boundary p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.privacy-note {
  padding: 32px;
  display: grid;
  grid-template-columns: minmax(180px, 0.38fr) minmax(0, 1fr);
  gap: 48px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.privacy-note-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.07em;
}

.privacy-note-label .status-dot {
  margin-top: 5px;
}

.privacy-note-content h2 {
  margin-bottom: 12px;
  font-size: clamp(26px, 3vw, 34px);
}

.privacy-note-content p {
  color: var(--color-muted);
}

@media (max-width: 820px) {
  .ip-hero {
    padding-top: 58px;
    padding-bottom: 70px;
  }

  .ip-stage {
    min-height: auto;
    margin-top: 38px;
  }

  .lookup-panel {
    width: 100%;
  }

  .interpret-layout,
  .dns-layout {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .inspection-index,
  .dns-copy {
    position: static;
  }

  .inspection-index ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .inspection-index li:nth-child(2) {
    border-top: 1px solid var(--color-border);
  }

  .interpret-record {
    grid-template-columns: minmax(110px, 0.28fr) minmax(0, 1fr);
    gap: 24px;
  }
}

@media (max-width: 640px) {
  .ip-hero {
    padding-top: 44px;
    padding-bottom: 58px;
  }

  .ip-stage-grid,
  .ip-orbit {
    display: none;
  }

  .lookup-topbar {
    padding-inline: 12px;
    gap: 10px;
  }

  .lookup-dots {
    display: none;
  }

  .lookup-topbar p {
    font-size: 10px;
  }

  .lookup-state {
    padding-inline: 8px;
  }

  .lookup-body {
    padding: 4px 16px 18px;
  }

  .result-row {
    min-height: 78px;
    grid-template-columns: 1fr;
    gap: 5px;
    align-content: center;
  }

  .result-row dd {
    padding-left: 49px;
    text-align: left;
  }

  .lookup-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 14px;
  }

  .lookup-actions .button {
    width: 100%;
  }

  .inspection-index ul {
    grid-template-columns: 1fr;
  }

  .interpret-record {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .record-number {
    margin-top: 0;
  }

  .dns-step {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 14px;
  }

  .dns-step-mark {
    width: 30px;
    height: 30px;
  }

  .dns-boundary {
    padding: 20px;
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 14px;
  }

  .dns-boundary-icon {
    width: 36px;
    height: 36px;
  }

  .privacy-note {
    padding: 22px;
    grid-template-columns: 1fr;
    gap: 20px;
  }
}