.page-disclaimer {
  --usage-gap: clamp(14px, 2vw, 22px);
  --usage-pad: clamp(16px, 2.6vw, 26px);
  display: block;
  background: var(--deep);
  color: var(--white);
  font-family: var(--font-body);
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow-x: hidden;
}

.page-disclaimer .breadcrumb {
  padding-block: clamp(12px, 2vw, 20px);
}

.page-disclaimer .usage-hero {
  position: relative;
  display: grid;
  gap: clamp(20px, 3.5vw, 36px);
  padding: clamp(10px, 2vw, 20px) 0 clamp(26px, 4.5vw, 48px);
  border-bottom: 2px solid var(--line);
}

.page-disclaimer .usage-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.3rem, 8.4vw, 4.8rem);
  line-height: 0.96;
  letter-spacing: -0.015em;
  margin: 12px 0 18px;
  text-wrap: balance;
}

.page-disclaimer .usage-hero__lead {
  max-width: 56ch;
  margin: 0 0 22px;
  font-size: clamp(1rem, 1.3vw, 1.08rem);
  line-height: 1.8;
  color: var(--fog);
}

.page-disclaimer .usage-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .usage-hero__actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.page-disclaimer .usage-hero__figure {
  margin: 0;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--hard-shadow);
  overflow: hidden;
}

.page-disclaimer .usage-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-disclaimer .usage-hero__caption {
  display: block;
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--fog);
  background: var(--panel-2);
  border-top: 2px solid var(--line);
}

.page-disclaimer .usage-toc {
  margin: clamp(20px, 3.5vw, 34px) 0 clamp(10px, 2vw, 18px);
  padding: 14px var(--usage-pad) 18px;
  border: 2px solid var(--line);
  background: var(--panel);
}

.page-disclaimer .usage-toc__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .usage-toc__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-toc__list a {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 8px 10px;
  color: var(--white);
  font-size: 0.95rem;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .usage-toc__list a:hover,
.page-disclaimer .usage-toc__list a:focus-visible {
  background: var(--panel-2);
  border-left-color: var(--cyan);
}

.page-disclaimer .usage-toc__num {
  font-size: 12px;
  color: var(--orange);
}

.page-disclaimer .usage-section {
  padding: clamp(28px, 4.5vw, 52px) 0;
  border-top: 2px solid var(--line);
  scroll-margin-top: 90px;
}

.page-disclaimer .usage-section__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 16px;
  align-items: start;
}

.page-disclaimer .usage-section__head .section-number {
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  line-height: 1;
  color: var(--cyan);
  opacity: 0.85;
}

.page-disclaimer .usage-section__intro h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 4.2vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.page-disclaimer .usage-section__intro p {
  margin: 0;
  max-width: 62ch;
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--fog);
}

.page-disclaimer .timeline {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-disclaimer .timeline__item {
  position: relative;
  padding: 18px 18px 20px;
  background: var(--panel);
  border: 2px solid var(--line);
  border-top: 4px solid var(--orange);
}

.page-disclaimer .timeline__dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 47, 0.18);
}

.page-disclaimer .timeline__time {
  margin: 10px 0 6px;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-disclaimer .timeline__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.page-disclaimer .timeline__item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--fog);
}

.page-disclaimer .timing-note {
  margin-top: var(--usage-gap);
  padding: var(--usage-pad);
  background: var(--panel-2);
  border: 2px solid var(--line);
  border-left: 4px solid var(--cyan);
}

.page-disclaimer .timing-note .eyebrow {
  margin: 0 0 8px;
  color: var(--cyan);
}

.page-disclaimer .timing-note p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--white);
  max-width: 68ch;
}

.page-disclaimer .version-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--usage-gap);
  margin-top: clamp(18px, 3vw, 28px);
}

.page-disclaimer .version-example {
  padding: var(--usage-pad);
  background: var(--panel-2);
  border: 2px solid var(--line);
  box-shadow: var(--hard-shadow);
}

.page-disclaimer .version-example .eyebrow {
  margin: 0;
  color: var(--fog);
}

.page-disclaimer .version-code {
  margin: 8px 0 16px;
  font-size: clamp(1.9rem, 6.5vw, 2.9rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-disclaimer .version-code span {
  color: var(--line);
}

.page-disclaimer .version-legend {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.88rem;
  color: var(--fog);
}

.page-disclaimer .version-legend .mono {
  display: inline-block;
  min-width: 2.4em;
  color: var(--white);
}

.page-disclaimer .version-notes p {
  margin: 0 0 14px;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--fog);
}

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

.page-disclaimer .device-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--usage-gap);
  margin-top: clamp(18px, 3vw, 28px);
}

.page-disclaimer .device-card {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: var(--usage-pad);
  background: var(--panel);
  border: 2px solid var(--line);
}

.page-disclaimer .device-card:nth-child(1) {
  border-left: 4px solid var(--cyan);
}

.page-disclaimer .device-card:nth-child(2) {
  background: var(--panel-2);
}

.page-disclaimer .device-card:nth-child(3) {
  border-left: 4px solid var(--sand);
}

.page-disclaimer .device-card__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-disclaimer .device-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.page-disclaimer .device-card p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--fog);
}

.page-disclaimer .device-card__tip {
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--sand);
  font-size: 0.86rem;
}

.page-disclaimer .citation-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--usage-gap);
  margin-top: clamp(18px, 3vw, 28px);
}

.page-disclaimer .citation-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .citation-list li {
  position: relative;
  padding: 0 0 14px 18px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--fog);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .citation-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .citation-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
}

.page-disclaimer .citation-list strong {
  color: var(--white);
  font-weight: 600;
}

.page-disclaimer .citation-note {
  padding: var(--usage-pad);
  background: var(--sand);
  color: var(--deep);
  border: 2px solid var(--deep);
  box-shadow: 6px 6px 0 rgba(7, 20, 38, 0.45);
}

.page-disclaimer .citation-note .eyebrow {
  margin: 0 0 10px;
  color: rgba(7, 20, 38, 0.66);
}

.page-disclaimer .citation-note ol {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 1.15em;
  font-size: 0.92rem;
  line-height: 1.65;
}

.page-disclaimer .citation-note .mono {
  font-weight: 700;
}

.page-disclaimer .citation-note__tail {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(7, 20, 38, 0.25);
  font-size: 0.86rem;
  line-height: 1.65;
}

.page-disclaimer .feedback-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--usage-gap);
  margin-top: clamp(18px, 3vw, 28px);
  padding: var(--usage-pad);
  background: var(--panel);
  border: 2px solid var(--line);
  box-shadow: var(--hard-shadow-orange);
}

.page-disclaimer .feedback-card__main .eyebrow {
  margin: 0 0 8px;
  color: var(--orange);
}

.page-disclaimer .feedback-email {
  margin: 0 0 12px;
  font-size: clamp(1rem, 2.6vw, 1.35rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-disclaimer .feedback-meta {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--fog);
}

.page-disclaimer .feedback-card__side p {
  margin: 0 0 16px;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--fog);
}

.page-disclaimer .feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .feedback-actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.page-disclaimer .usage-links {
  margin: 20px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--fog);
}

.page-disclaimer .usage-links a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .usage-backtop-row {
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 2px solid var(--line);
}

.page-disclaimer .usage-backtop {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--fog);
  text-decoration: none;
  border: 2px solid var(--line);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-disclaimer .usage-backtop:hover,
.page-disclaimer .usage-backtop:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 2px 2px 0 rgba(53, 242, 224, 0.22);
}

@media (min-width: 620px) {
  .page-disclaimer .usage-toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-disclaimer .device-grid {
    grid-template-columns: 1.05fr 0.85fr 1.35fr;
    align-items: start;
  }

  .page-disclaimer .device-card:nth-child(2) {
    margin-top: 22px;
  }

  .page-disclaimer .feedback-card {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
    gap: clamp(24px, 4vw, 48px);
  }

  .page-disclaimer .usage-toc__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .usage-toc__list li:last-child {
    grid-column: span 1;
  }

  .page-disclaimer .version-grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: start;
  }

  .page-disclaimer .citation-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: start;
  }

  .page-disclaimer .usage-section__head {
    gap: 12px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-toc__list a,
  .page-disclaimer .usage-backtop {
    transition: none;
  }
}