.page-disclaimer {
  --disclaimer-max: 980px;
  --disclaimer-pad-x: clamp(1.25rem, 4vw, 3rem);
  --chapter-accent: var(--orange);
  position: relative;
  color: var(--text-body);
  background-color: var(--bg-deep);
  background-image:
    linear-gradient(rgba(255, 59, 59, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 59, 59, 0.05) 1px, transparent 1px);
  background-size: 26px 26px;
  overflow-x: hidden;
}

.page-disclaimer .breadcrumb {
  max-width: var(--disclaimer-max);
  margin: 0 auto 2.25rem;
  padding-inline: var(--disclaimer-pad-x);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
}

.page-disclaimer .breadcrumb__link {
  color: var(--blue);
  text-decoration: none;
}

.page-disclaimer .breadcrumb__link:hover,
.page-disclaimer .breadcrumb__link:focus-visible {
  color: var(--text-bright);
  outline: none;
}

.page-disclaimer .breadcrumb__item {
  color: var(--border-grid);
  margin: 0 0.4rem;
}

.page-disclaimer .breadcrumb__current {
  color: var(--text-body);
}

.page-disclaimer .disclaimer-hero {
  position: relative;
  max-width: var(--disclaimer-max);
  margin: 0 auto;
  padding: 2.5rem var(--disclaimer-pad-x) 2.25rem;
}

.page-disclaimer .disclaimer-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: var(--disclaimer-pad-x);
  width: 130px;
  height: 130px;
  background: linear-gradient(135deg, transparent 45%, rgba(0, 255, 135, 0.35) 46%, rgba(0, 255, 135, 0.35) 54%, transparent 55%);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  opacity: 0.18;
}

.page-disclaimer .disclaimer-hero::after {
  content: "DATA BOUNDARY";
  position: absolute;
  right: calc(var(--disclaimer-pad-x) + 1.5rem);
  top: 2.5rem;
  display: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.42em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(0, 229, 255, 0.45);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  white-space: nowrap;
  opacity: 0.75;
}

.page-disclaimer .disclaimer-hero__kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--green);
  text-transform: uppercase;
  margin: 0 0 1.25rem;
}

.page-disclaimer .disclaimer-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.3rem, 6vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text-bright);
  margin: 0 0 1.25rem;
  max-width: 11em;
}

.page-disclaimer .disclaimer-hero__lead {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-body);
  margin: 0 0 1.75rem;
  max-width: 52rem;
}

.page-disclaimer .disclaimer-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-disclaimer .disclaimer-hero__meta-item {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--blue);
  background: rgba(0, 229, 255, 0.07);
  border: 1px solid rgba(0, 229, 255, 0.24);
  border-radius: 2px;
  padding: 0.35rem 0.65rem;
  letter-spacing: 0.04em;
}

.page-disclaimer .disclaimer-alert {
  max-width: var(--disclaimer-max);
  margin: 1.5rem auto 2rem;
  padding-inline: var(--disclaimer-pad-x);
}

.page-disclaimer .disclaimer-alert__box {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--orange);
  color: var(--bg-deep);
  padding: 1rem 1.25rem;
  border-left: 6px solid var(--red);
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(255, 179, 0, 0.35), 8px 8px 0 rgba(0, 229, 255, 0.14);
  animation: pd-alert-flash 1.2s ease-out 1;
}

@keyframes pd-alert-flash {
  0%, 100% {
    box-shadow: 0 0 0 1px rgba(255, 179, 0, 0.35), 8px 8px 0 rgba(0, 229, 255, 0.14);
  }
  50% {
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.3), 8px 8px 0 rgba(0, 229, 255, 0.22);
  }
}

.page-disclaimer .disclaimer-alert__mark {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: var(--bg-deep);
  color: var(--orange);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.125rem;
  border-radius: 2px;
}

.page-disclaimer .disclaimer-alert__text {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.7;
}

.page-disclaimer .disclaimer-toc {
  max-width: var(--disclaimer-max);
  margin: 0 auto 2rem;
  padding-inline: var(--disclaimer-pad-x);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-disclaimer .disclaimer-toc a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-body);
  border: 1px solid var(--border-grid);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.page-disclaimer .disclaimer-toc a:hover,
.page-disclaimer .disclaimer-toc a:focus-visible {
  color: var(--green);
  border-color: var(--green);
  background: rgba(0, 255, 135, 0.06);
  outline: none;
}

.page-disclaimer .disclaimer-figure {
  max-width: var(--disclaimer-max);
  margin: 0 auto 3rem;
  padding-inline: var(--disclaimer-pad-x);
}

.page-disclaimer .disclaimer-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--border-grid);
  border-radius: 2px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
  background: var(--bg-panel);
}

.page-disclaimer .disclaimer-figure figcaption {
  margin-top: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-body);
  letter-spacing: 0.06em;
}

.page-disclaimer .disclaimer-figure figcaption::before {
  content: "// ";
  color: var(--green);
}

.page-disclaimer .disclaimer-chapters {
  max-width: var(--disclaimer-max);
  margin: 0 auto;
  padding-inline: var(--disclaimer-pad-x);
  display: grid;
  gap: 1.5rem;
}

.page-disclaimer .disclaimer-chapter {
  --chapter-accent: var(--orange);
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border-grid);
  border-left: 4px solid var(--chapter-accent);
  border-radius: 2px;
  padding: 1.4rem 1.25rem 1.6rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.page-disclaimer .disclaimer-chapter:hover {
  transform: translateY(-2px);
  border-color: var(--chapter-accent);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.28), var(--chapter-glow);
}

.page-disclaimer .disclaimer-chapter::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 22px;
  height: 22px;
  background: linear-gradient(135deg, transparent 50%, var(--chapter-accent) 50%);
  opacity: 0.55;
}

.page-disclaimer .chapter--orange {
  --chapter-accent: var(--orange);
  --chapter-glow: 0 0 18px rgba(255, 179, 0, 0.12);
}

.page-disclaimer .chapter--blue {
  --chapter-accent: var(--blue);
  --chapter-glow: 0 0 18px rgba(0, 229, 255, 0.12);
}

.page-disclaimer .chapter--purple {
  --chapter-accent: var(--purple);
  --chapter-glow: 0 0 18px rgba(123, 97, 255, 0.14);
}

.page-disclaimer .chapter--red {
  --chapter-accent: var(--red);
  --chapter-glow: 0 0 18px rgba(255, 59, 59, 0.14);
}

.page-disclaimer .chapter--green {
  --chapter-accent: var(--green);
  --chapter-glow: 0 0 18px rgba(0, 255, 135, 0.12);
}

.page-disclaimer .chapter__heading-row {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  margin-bottom: 0.5rem;
}

.page-disclaimer .chapter__index {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--chapter-accent);
  letter-spacing: 0.12em;
}

.page-disclaimer .chapter__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  margin: 0;
  color: var(--text-bright);
  letter-spacing: -0.01em;
}

.page-disclaimer .chapter__icon {
  width: 1.15em;
  height: 1.15em;
  margin-right: 0.25em;
  color: var(--chapter-accent);
  vertical-align: -0.16em;
}

.page-disclaimer .chapter__details {
  margin-top: 0.5rem;
  border-top: 1px dashed var(--border-grid);
  padding-top: 0.5rem;
}

.page-disclaimer .chapter__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  font-size: 0.875rem;
  color: var(--text-body);
  transition: color var(--transition);
}

.page-disclaimer .chapter__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .chapter__summary:hover,
.page-disclaimer .chapter__summary:focus-visible {
  color: var(--text-bright);
  outline: none;
}

.page-disclaimer .chapter__summary-text::before {
  content: "▸ ";
  color: var(--chapter-accent);
  font-family: var(--font-mono);
}

.page-disclaimer .chapter__summary-toggle {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--chapter-accent);
  border: 1px solid var(--border-grid);
  padding: 0.18rem 0.5rem;
  border-radius: 2px;
  white-space: nowrap;
  transition: border-color var(--transition), color var(--transition);
}

.page-disclaimer .chapter__details[open] .chapter__summary-toggle {
  border-color: var(--chapter-accent);
}

.page-disclaimer .chapter__toggle--open {
  display: inline;
}

.page-disclaimer .chapter__toggle--close {
  display: none;
}

.page-disclaimer .chapter__details:not([open]) .chapter__toggle--open {
  display: none;
}

.page-disclaimer .chapter__details:not([open]) .chapter__toggle--close {
  display: inline;
}

.page-disclaimer .term-hint {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.15em;
  height: 1.15em;
  margin-left: 0.35em;
  border: 1px solid var(--chapter-accent);
  border-radius: 50%;
  color: var(--chapter-accent);
  font-size: 0.68rem;
  font-style: normal;
  cursor: help;
  vertical-align: middle;
  line-height: 1;
}

.page-disclaimer .term-hint:hover,
.page-disclaimer .term-hint:focus-visible {
  color: var(--text-bright);
  border-color: var(--text-bright);
  outline: none;
}

.page-disclaimer .chapter__body {
  padding-top: 0.35rem;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text-body);
}

.page-disclaimer .chapter__body p {
  margin: 0 0 1rem;
}

.page-disclaimer .chapter__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disclaimer-footer-note {
  max-width: var(--disclaimer-max);
  margin: 2.5rem auto 0;
  padding: 1.4rem 1.5rem;
  border-left: 3px solid var(--green);
  background: rgba(0, 255, 135, 0.04);
  border-radius: 0 2px 2px 0;
}

.page-disclaimer .disclaimer-footer-note p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-disclaimer .disclaimer-footer-note .link-arrow {
  color: var(--blue);
  text-decoration: none;
  font-weight: 500;
}

.page-disclaimer .disclaimer-footer-note .link-arrow:hover,
.page-disclaimer .disclaimer-footer-note .link-arrow:focus-visible {
  color: var(--text-bright);
  outline: none;
}

.page-disclaimer .disclaimer-toc a:focus-visible,
.page-disclaimer .chapter__summary:focus-visible,
.page-disclaimer .term-hint:focus-visible,
.page-disclaimer .breadcrumb__link:focus-visible,
.page-disclaimer .disclaimer-footer-note .link-arrow:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

@media (min-width: 880px) {
  .page-disclaimer .disclaimer-hero {
    padding-top: 4.5rem;
    padding-bottom: 3.5rem;
  }

  .page-disclaimer .disclaimer-hero::after {
    display: block;
    right: calc(var(--disclaimer-pad-x) + 2rem);
    top: 4.5rem;
  }

  .page-disclaimer .disclaimer-chapter {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 0 2.25rem;
    padding: 1.75rem 2.25rem 1.9rem 1.9rem;
  }

  .page-disclaimer .chapter__heading-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
    margin-bottom: 0;
    padding-right: 1.5rem;
    border-right: 1px solid var(--border-grid);
  }

  .page-disclaimer .chapter__index {
    font-size: 1.9rem;
    line-height: 1;
    opacity: 0.4;
  }

  .page-disclaimer .chapter__title {
    font-size: 1.6rem;
  }

  .page-disclaimer .chapter__details {
    margin-top: 0;
    border-top: 0;
    padding-top: 0;
  }

  .page-disclaimer .chapter__summary {
    padding-top: 0.25rem;
    padding-bottom: 0.75rem;
  }

  .page-disclaimer .disclaimer-footer-note {
    padding: 1.6rem 1.75rem;
  }
}