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

.ip-hero::before {
  position: absolute;
  top: -260px;
  right: -180px;
  width: 760px;
  height: 640px;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(closest-side, color-mix(in srgb, var(--color-sunrise) 72%, var(--color-transparent)), var(--color-transparent)),
    radial-gradient(closest-side, color-mix(in srgb, var(--color-rose) 42%, var(--color-transparent)), var(--color-transparent));
}

.ip-hero-grid {
  position: relative;
  display: grid;
  min-height: 430px;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  align-items: center;
  gap: 72px;
  padding-top: 72px;
  padding-bottom: 72px;
}

.ip-hero-copy {
  max-width: 720px;
}

.ip-hero-copy h1 {
  margin-top: 22px;
}

.ip-hero-copy > p {
  max-width: 650px;
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 17px;
}

.ip-hero-note {
  display: flex;
  gap: 14px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-surface) 88%, var(--color-transparent));
  box-shadow: var(--shadow-card);
}

.ip-hero-note-dot {
  margin-top: 8px;
}

.ip-hero-note strong {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-display);
  font-size: 17px;
}

.ip-hero-note p {
  margin: 0;
  color: var(--color-text-muted);
}

.ip-tool-shell {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.ip-tool-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 28px 30px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-warm);
}

.ip-tool-heading h2 {
  margin-bottom: 5px;
  font-size: clamp(28px, 3.4vw, 42px);
}

.ip-section-kicker {
  margin-bottom: 8px;
  color: var(--color-brand-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.ip-section-kicker.is-dark {
  color: var(--color-brand);
}

.ip-lookup-status {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 13px;
}

.ip-lookup-status.is-success {
  color: var(--color-positive);
}

.ip-lookup-status.is-error {
  color: var(--color-negative);
}

.ip-result-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.ip-result-item {
  display: flex;
  min-height: 180px;
  flex-direction: column;
  padding: 26px;
  border-right: 1px solid var(--color-border);
}

.ip-result-item:last-child {
  border-right: 0;
}

.ip-result-item.is-primary {
  background: linear-gradient(145deg, color-mix(in srgb, var(--color-brand) 10%, var(--color-surface)), var(--color-surface));
}

.ip-result-label {
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.ip-result-value {
  margin-top: 20px;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 25px);
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.ip-result-caption {
  margin-top: auto;
  padding-top: 18px;
  color: var(--color-text-muted);
  font-size: 12px;
}

.ip-noscript {
  margin: 0;
  padding: 18px 30px;
  border-top: 1px solid var(--color-border);
  color: var(--color-negative);
  background: color-mix(in srgb, var(--color-negative) 6%, var(--color-surface));
}

.ip-explain {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-warm);
}

.ip-explain-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  gap: 74px;
}

.ip-explain-grid .section-head {
  margin-bottom: 0;
}

.ip-meaning-list {
  border-top: 1px solid var(--color-border);
}

.ip-meaning-row {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 22px;
  padding-top: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}

.ip-meaning-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--color-brand) 46%, var(--color-border));
  border-radius: var(--radius-pill);
  color: var(--color-brand-deep);
  background: var(--color-surface);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
}

.ip-meaning-row h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.ip-meaning-row p {
  margin: 0;
  color: var(--color-text-muted);
}

.dns-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: 72px;
}

.dns-copy {
  align-self: start;
}

.dns-copy > p:last-child {
  font-size: 16px;
}

.dns-checklist {
  padding: 0;
  list-style: none;
  counter-reset: dns-item;
}

.dns-checklist li {
  position: relative;
  padding: 26px 0 26px 58px;
  border-top: 1px solid var(--color-dark-line);
  counter-increment: dns-item;
}

.dns-checklist li:last-child {
  border-bottom: 1px solid var(--color-dark-line);
}

.dns-checklist li::before {
  position: absolute;
  top: 25px;
  left: 0;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--color-dark-line);
  border-radius: var(--radius-pill);
  content: counter(dns-item);
  color: var(--color-brand);
  font-family: var(--font-mono);
}

.dns-checklist strong {
  color: var(--color-dark-text);
  font-family: var(--font-display);
  font-size: 17px;
}

.dns-checklist p {
  margin: 7px 0 0;
}

.dns-limit {
  grid-column: 1 / -1;
  display: flex;
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--color-dark-line);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-caution) 7%, var(--color-ink-dark));
}

.dns-limit .status-dot {
  margin-top: 8px;
}

.dns-limit p {
  margin: 0;
}

.dns-limit strong {
  color: var(--color-dark-text);
}

.privacy-layout {
  display: grid;
  grid-template-columns: minmax(220px, 0.65fr) minmax(0, 1.35fr);
  align-items: start;
  gap: 72px;
}

.privacy-panel {
  display: flex;
  gap: 22px;
  padding: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-low);
}

.privacy-panel > svg {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  color: var(--color-positive);
}

.privacy-panel h3 {
  margin-bottom: 9px;
  font-size: 21px;
}

.privacy-panel p {
  margin: 0;
  color: var(--color-text-muted);
}

.ip-copy-fallback {
  position: fixed;
  top: 0;
  left: -100vw;
  width: 1px;
  height: 1px;
  opacity: 0;
}

@media (max-width: 960px) {
  .ip-hero-grid,
  .ip-explain-grid,
  .dns-layout,
  .privacy-layout {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .ip-hero-grid {
    min-height: auto;
  }

  .ip-hero-note {
    max-width: 620px;
  }

  .ip-result-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ip-result-item {
    border-bottom: 1px solid var(--color-border);
  }

  .ip-result-item:nth-child(2) {
    border-right: 0;
  }

  .ip-result-item:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .dns-limit {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  .ip-hero-grid {
    gap: 30px;
    padding-top: 50px;
    padding-bottom: 50px;
  }

  .ip-hero-copy > p {
    font-size: 15px;
  }

  .ip-tool-heading {
    align-items: stretch;
    flex-direction: column;
    padding: 22px;
  }

  .ip-tool-heading .btn {
    width: 100%;
  }

  .ip-result-grid {
    grid-template-columns: 1fr;
  }

  .ip-result-item {
    min-height: 160px;
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .ip-result-item:nth-child(2),
  .ip-result-item:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--color-border);
  }

  .ip-result-item:last-child {
    border-bottom: 0;
  }

  .ip-meaning-row {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 15px;
  }

  .ip-meaning-mark {
    width: 40px;
    height: 40px;
  }

  .dns-checklist li {
    padding-left: 52px;
  }

  .privacy-panel {
    flex-direction: column;
    padding: 24px;
  }
}