.ip-main {
  overflow-x: clip;
}

.ip-hero {
  position: relative;
  display: flex;
  min-height: calc(100svh - var(--header-height));
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.ip-hero::before {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(color-mix(in srgb, var(--color-accent) 20%, transparent) 1px, transparent 1.5px),
    linear-gradient(color-mix(in srgb, var(--color-border) 22%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--color-border) 22%, transparent) 1px, transparent 1px);
  background-position: center, center, center;
  background-size: 26px 26px, 78px 78px, 78px 78px;
  content: "";
  mask-image: linear-gradient(to bottom, var(--color-shadow), transparent);
  opacity: 0.28;
  pointer-events: none;
}

.ip-hero::after {
  position: absolute;
  top: 50%;
  right: -12%;
  width: min(64vw, 820px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--color-accent) 15%, transparent), transparent 68%);
  content: "";
  pointer-events: none;
  transform: translateY(-50%);
}

.ip-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(480px, 1.18fr);
  align-items: center;
  gap: clamp(42px, 7vw, 96px);
  padding-top: clamp(64px, 9vw, 116px);
  padding-bottom: clamp(64px, 9vw, 116px);
}

.ip-intro {
  min-width: 0;
}

.ip-title {
  max-width: 720px;
  margin-top: 22px;
}

.ip-intro .lead {
  max-width: 620px;
  margin-top: 24px;
}

.ip-hero-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.lookup-console {
  position: relative;
  min-width: 0;
  padding: clamp(22px, 3vw, 38px);
}

.lookup-console::before,
.lookup-console::after {
  position: absolute;
  width: 18px;
  height: 18px;
  content: "";
  pointer-events: none;
}

.lookup-console::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--color-accent);
  border-left: 2px solid var(--color-accent);
}

.lookup-console::after {
  right: -1px;
  bottom: -1px;
  border-right: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
}

.lookup-console-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 22px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.lookup-console-head h2 {
  margin-top: 8px;
  font-size: clamp(26px, 3vw, 38px);
}

.lookup-state {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  gap: 9px;
  flex-shrink: 0;
  padding: 4px 9px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
}

.lookup-state.is-ready {
  border-color: var(--color-success);
  color: var(--color-success);
}

.lookup-state.is-ready .status-dot {
  background: var(--color-success);
  box-shadow: 0 0 10px color-mix(in srgb, var(--color-success) 72%, transparent);
}

.lookup-state.is-error {
  border-color: var(--color-warning);
  color: var(--color-warning);
}

.lookup-state.is-error .status-dot {
  background: var(--color-warning);
  box-shadow: none;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 24px;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.result-cell {
  min-width: 0;
  padding: 18px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-panel-raised) 76%, transparent);
}

.result-cell-wide {
  grid-column: 1 / -1;
}

.result-cell dt {
  color: var(--color-annotation);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.result-cell dd {
  min-width: 0;
  margin: 7px 0 0;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 650;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.result-cell-wide dd {
  color: var(--color-accent);
  font-size: clamp(22px, 3.2vw, 38px);
}

.lookup-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.lookup-actions button:disabled {
  cursor: not-allowed;
  opacity: 0.46;
  transform: none;
  box-shadow: none;
}

.copy-feedback {
  min-height: 1.7em;
  margin-top: 10px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.explain-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.explain-block {
  position: relative;
  min-width: 0;
  padding: clamp(24px, 4vw, 42px);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel);
}

.explain-index {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.explain-block h3 {
  margin-top: 14px;
  font-size: clamp(20px, 2.3vw, 26px);
}

.explain-block p:last-child {
  margin-top: 12px;
  color: var(--color-text-muted);
}

.meaning-callout {
  margin-top: 24px;
}

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

.dns-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  align-items: start;
  gap: clamp(40px, 7vw, 96px);
}

.dns-copy {
  position: sticky;
  top: calc(var(--header-height) + 28px);
}

.dns-copy h2 {
  margin-top: 12px;
}

.dns-copy .lead {
  margin-top: 20px;
}

.dns-steps {
  padding: clamp(24px, 4vw, 42px);
  background: var(--color-panel-raised);
}

.dns-steps ol {
  display: grid;
  gap: 0;
  list-style: none;
  counter-reset: dns-step;
}

.dns-steps li {
  position: relative;
  min-width: 0;
  padding: 0 0 28px 52px;
  counter-increment: dns-step;
}

.dns-steps li + li {
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}

.dns-steps li:last-child {
  padding-bottom: 0;
}

.dns-steps li::before {
  position: absolute;
  top: 0;
  left: 0;
  display: inline-flex;
  width: 30px;
  height: 30px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  content: counter(dns-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 10px;
}

.dns-steps li + li::before {
  top: 28px;
}

.dns-steps p {
  margin-top: 7px;
  color: var(--color-text-muted);
}

.privacy-panel {
  display: grid;
  grid-template-columns: minmax(220px, 0.6fr) minmax(0, 1.4fr);
  gap: clamp(28px, 6vw, 80px);
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid var(--color-border);
  background:
    linear-gradient(110deg, color-mix(in srgb, var(--color-accent) 8%, transparent), transparent 52%),
    var(--color-panel-raised);
}

.privacy-panel h2 {
  margin-top: 10px;
  font-size: clamp(28px, 4vw, 42px);
}

.privacy-copy {
  color: var(--color-text-muted);
}

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

@media (max-width: 1040px) {
  .ip-hero {
    min-height: auto;
  }

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

  .ip-intro {
    max-width: 760px;
  }

  .lookup-console {
    width: 100%;
  }
}

@media (max-width: 760px) {
  .ip-hero-grid {
    padding-top: 48px;
    padding-bottom: 56px;
  }

  .lookup-console-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .result-grid,
  .explain-grid,
  .dns-layout,
  .privacy-panel {
    grid-template-columns: 1fr;
  }

  .result-cell-wide {
    grid-column: auto;
  }

  .dns-copy {
    position: static;
  }
}

@media (max-width: 520px) {
  .ip-hero-notes {
    gap: 7px;
  }

  .lookup-console {
    padding: 18px 14px;
  }

  .result-cell {
    padding: 15px;
  }

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

  .lookup-actions .btn-primary,
  .lookup-actions .btn-secondary {
    width: 100%;
  }

  .dns-steps {
    padding: 22px 16px;
  }

  .dns-steps li {
    padding-left: 44px;
  }

  .privacy-panel {
    padding: 24px 18px;
  }
}