:root {
  --otb-ink: #153f43;
  --otb-muted: #4e6d70;
  --otb-brand: #08776f;
  --otb-brand-dark: #075a56;
  --otb-plum: #7f3158;
  --otb-line: #badfd9;
  --otb-mint: #eafaf7;
  --otb-pink: #fff0f6;
  --otb-lilac: #f1efff;
  --otb-amber: #fff8dc;
  --otb-white: #fff;
  --otb-danger: #a42c38;
  --otb-shadow: 0 16px 42px rgba(19, 88, 86, .11);
}

.otb-page,
.otb-page * {
  box-sizing: border-box;
}

.otb-page {
  margin: 0;
  color: var(--otb-ink);
  background: linear-gradient(145deg, #fff 0, #f8fffd 48%, #f8f6ff 100%);
  font-family: Tahoma, Arial, sans-serif;
  line-height: 1.8;
}

.otb-page a,
.otb-bridge a {
  color: var(--otb-brand-dark);
}

.otb-page a:focus-visible,
.otb-bridge a:focus-visible,
.otb-page button:focus-visible,
.otb-page input:focus-visible,
.otb-page select:focus-visible,
.otb-page textarea:focus-visible {
  outline: 3px solid #0b8f87;
  outline-offset: 3px;
}

.otb-wrap {
  width: min(1200px, 92%);
  margin-inline: auto;
}

.otb-skip {
  position: absolute;
  inset-inline-start: -9999px;
  top: 8px;
  z-index: 100;
  border: 2px solid var(--otb-brand);
  border-radius: 12px;
  background: #fff;
  padding: 10px 14px;
  font-weight: 800;
}

.otb-skip:focus {
  inset-inline-start: 8px;
}

.otb-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--otb-line);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(14px);
}

.otb-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 11px;
}

.otb-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 250px;
  color: var(--otb-ink) !important;
  font-weight: 900;
  line-height: 1.35;
  text-decoration: none;
}

.otb-brand img {
  width: 50px;
  height: 50px;
}

.otb-brand span {
  display: grid;
}

.otb-brand small {
  color: var(--otb-muted);
  font-weight: 700;
}

.otb-nav,
.otb-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.otb-nav {
  justify-content: flex-end;
}

.otb-nav a {
  border-radius: 10px;
  padding: 7px 9px;
  font-weight: 800;
  text-decoration: none;
}

.otb-nav a:hover,
.otb-nav a[aria-current="page"] {
  background: var(--otb-mint);
}

.otb-hero,
.otb-page-hero {
  border-bottom: 1px solid var(--otb-line);
  background:
    radial-gradient(circle at 85% 15%, rgba(104, 216, 204, .26), transparent 33%),
    radial-gradient(circle at 12% 80%, rgba(173, 128, 208, .16), transparent 32%),
    linear-gradient(145deg, #fff, #f7fffd 62%, #fbf7ff);
}

.otb-hero {
  padding-block: 54px 36px;
}

.otb-page-hero {
  padding-block: 34px;
}

.otb-hero-grid,
.otb-condition-heading,
.otb-split {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr);
  align-items: start;
  gap: 28px;
}

.otb-page h1 {
  max-width: 1000px;
  margin: .12em 0 .22em;
  color: #133f43;
  font-size: clamp(2.25rem, 6vw, 4.8rem);
  line-height: 1.12;
}

.otb-condition-hero h1 {
  font-size: clamp(2rem, 5vw, 3.8rem);
}

.otb-page h2 {
  margin: .25em 0 .45em;
  color: #204d51;
  font-size: clamp(1.55rem, 3.7vw, 2.55rem);
  line-height: 1.3;
}

.otb-page h3 {
  color: #71304f;
  line-height: 1.4;
}

.otb-page h4 {
  margin-bottom: .25em;
}

.otb-eyebrow,
.otb-kicker {
  margin: 0;
  color: var(--otb-plum);
  font-weight: 900;
}

.otb-lead {
  max-width: 900px;
  margin-block: 8px 20px;
  color: var(--otb-muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.otb-en {
  color: var(--otb-muted);
  font-family: Arial, sans-serif;
}

.otb-panel,
.otb-card,
.otb-protocol,
.otb-condition-card,
.otb-outcome,
.otb-bridge {
  border: 1px solid var(--otb-line);
  border-radius: 21px;
  background: rgba(255, 255, 255, .97);
  box-shadow: var(--otb-shadow);
}

.otb-panel,
.otb-card,
.otb-outcome {
  padding: 20px;
}

.otb-panel > :first-child,
.otb-card > :first-child {
  margin-top: 0;
}

.otb-review,
.otb-notice,
.otb-alert,
.otb-callout {
  border-radius: 15px;
  padding: 15px 18px;
}

.otb-review,
.otb-notice {
  border-inline-start: 5px solid var(--otb-plum);
  background: var(--otb-pink);
}

.otb-notice.warning,
.otb-callout {
  border-inline-start: 5px solid #a06b00;
  background: var(--otb-amber);
}

.otb-notice.privacy {
  border-inline-start-color: var(--otb-brand);
  background: var(--otb-mint);
}

.otb-alert {
  margin-block: 20px;
  border: 1px solid #efc4c9;
  border-inline-start: 5px solid var(--otb-danger);
  background: #fff5f5;
}

.otb-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid #087169;
  border-radius: 13px;
  background: linear-gradient(135deg, #5cd0c5, #b7eee4);
  padding: 10px 15px;
  color: #133f43 !important;
  font: inherit;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.otb-button.secondary {
  border-color: var(--otb-line);
  background: #fff;
}

.otb-button.danger {
  border-color: #d99aa1;
  background: #fff1f2;
  color: #8c1f2b !important;
}

.otb-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 28px;
}

.otb-metrics div {
  border: 1px solid var(--otb-line);
  border-radius: 17px;
  background: rgba(255, 255, 255, .92);
  padding: 14px;
}

.otb-metrics strong {
  display: block;
  color: var(--otb-plum);
  font-size: 1.8rem;
}

.otb-section {
  padding-block: 38px;
}

.otb-section.otb-soft {
  border-block: 1px solid #dcece9;
  background: linear-gradient(145deg, rgba(234, 250, 247, .72), rgba(241, 239, 255, .54));
}

.otb-seven {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.otb-seven article {
  border: 1px solid var(--otb-line);
  border-radius: 18px;
  background: #fff;
  padding: 16px;
}

.otb-seven strong {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 50%;
  background: var(--otb-mint);
  color: var(--otb-brand-dark);
}

.otb-tier-legend {
  display: grid;
  gap: 8px;
  padding: 0;
  list-style: none;
}

.otb-tier-legend li {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 10px;
  align-items: center;
}

.otb-tier-legend strong {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 10px;
  background: var(--otb-lilac);
}

.otb-filters,
.otb-form {
  margin-block: 20px;
  border: 1px solid var(--otb-line);
  border-radius: 20px;
  background: #fff;
  padding: 18px;
  box-shadow: var(--otb-shadow);
}

.otb-filters {
  display: grid;
  grid-template-columns: 1.4fr 1fr .7fr auto;
  gap: 12px;
  align-items: end;
}

.otb-form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.otb-filters label,
.otb-form label {
  display: grid;
  gap: 5px;
  color: var(--otb-ink);
  font-weight: 800;
}

.otb-form .span-2 {
  grid-column: span 2;
}

.otb-filters input,
.otb-filters select,
.otb-form input,
.otb-form select,
.otb-form textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid #8ebdb8;
  border-radius: 11px;
  background: #fff;
  padding: 9px 11px;
  color: var(--otb-ink);
  font: inherit;
}

.otb-form textarea {
  resize: vertical;
}

.otb-results {
  font-weight: 900;
}

.otb-condition-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

.otb-condition-card {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 16px;
  padding: 18px;
}

.otb-condition-card[hidden] {
  display: none;
}

.otb-condition-card h3 {
  margin: .12em 0;
  font-size: 1.3rem;
}

.otb-condition-card h3 a {
  color: #71304f;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.otb-rank {
  text-align: center;
}

.otb-rank span {
  display: block;
  color: var(--otb-muted);
  font-size: .77rem;
}

.otb-rank strong,
.otb-rank-large strong {
  display: block;
  color: var(--otb-plum);
  font-size: 2.2rem;
}

.otb-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-block: 10px;
}

.otb-tags span {
  border: 1px solid var(--otb-line);
  border-radius: 999px;
  background: var(--otb-mint);
  padding: 3px 9px;
  font-size: .88rem;
}

.otb-text-link {
  font-weight: 900;
}

.otb-empty {
  border: 1px dashed var(--otb-line);
  border-radius: 16px;
  padding: 28px;
  text-align: center;
}

.otb-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
  margin-bottom: 12px;
  color: var(--otb-muted);
  font-size: .92rem;
}

.otb-breadcrumb a {
  font-weight: 800;
}

.otb-rank-large {
  align-self: center;
  border: 1px solid var(--otb-line);
  border-radius: 24px;
  background: #fff;
  padding: 20px;
  text-align: center;
  box-shadow: var(--otb-shadow);
}

.otb-rank-large strong {
  font-size: 4rem;
}

.otb-rank-large small {
  display: block;
  color: var(--otb-muted);
}

.otb-local-nav {
  position: sticky;
  top: 72px;
  z-index: 40;
  border-bottom: 1px solid var(--otb-line);
  background: rgba(255, 255, 255, .97);
}

.otb-local-nav .otb-wrap {
  display: flex;
  gap: 5px;
  overflow-x: auto;
  padding-block: 7px;
}

.otb-local-nav a {
  flex: 0 0 auto;
  border-radius: 9px;
  padding: 5px 8px;
  font-size: .88rem;
  font-weight: 800;
  text-decoration: none;
}

.otb-local-nav a:hover {
  background: var(--otb-mint);
}

.otb-cards-3,
.otb-assessment-grid,
.otb-evidence-grid,
.otb-reassess-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-block: 18px;
}

.otb-assessment-grid,
.otb-evidence-grid {
  grid-template-columns: repeat(2, 1fr);
}

.otb-process {
  counter-reset: process;
  display: grid;
  gap: 10px;
  padding: 0;
  list-style: none;
}

.otb-process li {
  position: relative;
  border-inline-start: 4px solid var(--otb-brand);
  border-radius: 10px;
  background: #fff;
  padding: 11px 16px;
  box-shadow: 0 5px 18px rgba(19, 88, 86, .07);
}

.otb-process.compact li {
  box-shadow: none;
}

.otb-table-wrap {
  max-width: 100%;
  margin-block: 17px;
  overflow-x: auto;
  border: 1px solid var(--otb-line);
  border-radius: 16px;
  background: #fff;
}

.otb-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.otb-table caption {
  padding: 13px;
  color: var(--otb-muted);
  font-weight: 800;
  text-align: start;
}

.otb-table th,
.otb-table td {
  border-top: 1px solid #d9ebe8;
  padding: 11px 12px;
  text-align: start;
  vertical-align: top;
}

.otb-table thead th {
  border-top: 0;
  background: #e8f8f5;
  color: #174c50;
}

.otb-table tbody tr:nth-child(even) {
  background: #fbfefd;
}

.otb-table th small {
  display: block;
  color: var(--otb-muted);
  font-weight: 600;
}

.otb-subsection {
  padding-top: 72px;
  margin-top: -50px;
}

.otb-protocol-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin-block: 20px;
}

.otb-protocol {
  overflow: hidden;
}

.otb-protocol > :not(.otb-protocol-head) {
  margin-inline: 18px;
}

.otb-protocol-head {
  min-height: 128px;
  background: linear-gradient(145deg, var(--otb-mint), var(--otb-lilac));
  padding: 18px;
}

.otb-protocol-head span {
  color: var(--otb-brand-dark);
  font-weight: 900;
}

.otb-protocol-head h3 {
  margin: .2em 0 0;
}

.otb-specs {
  display: grid;
  gap: 8px;
  padding-bottom: 12px;
}

.otb-specs div {
  border-radius: 12px;
  background: #f7fbfa;
  padding: 9px 11px;
}

.otb-specs dt {
  color: var(--otb-plum);
  font-weight: 900;
}

.otb-specs dd {
  margin: 0;
}

.otb-code {
  color: var(--otb-muted);
  font-size: .86rem;
}

.otb-outcome {
  border-inline-start: 6px solid var(--otb-brand);
  background: linear-gradient(145deg, #fff, var(--otb-mint));
}

.otb-outcome p {
  font-size: 1.2rem;
  font-weight: 800;
}

.otb-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.otb-adjacent {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.otb-adjacent a {
  border: 1px solid var(--otb-line);
  border-radius: 14px;
  background: #fff;
  padding: 13px;
  font-weight: 900;
  text-decoration: none;
}

.otb-adjacent .otb-next {
  text-align: end;
}

.otb-adjacent span {
  color: var(--otb-plum);
}

.otb-source-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 0;
  list-style-position: inside;
}

.otb-source {
  border: 1px solid var(--otb-line);
  border-radius: 14px;
  background: #fff;
  padding: 13px;
}

.otb-source p {
  margin-bottom: 0;
  color: var(--otb-muted);
}

.otb-direct-source {
  font-weight: 900;
}

.otb-footer {
  border-top: 1px solid var(--otb-line);
  background: rgba(255, 255, 255, .72);
  padding-block: 28px 44px;
  color: var(--otb-muted);
}

.otb-bridge {
  width: min(1120px, 92%);
  margin: 32px auto;
  padding: 22px;
  color: var(--otb-ink);
  font-family: Tahoma, Arial, sans-serif;
  line-height: 1.75;
}

.otb-bridge h2 {
  margin: .2em 0;
  color: #71304f;
}

.otb-bridge .otb-actions {
  margin-top: 12px;
}

@media (max-width: 980px) {
  .otb-header-inner,
  .otb-hero-grid,
  .otb-condition-heading,
  .otb-split {
    grid-template-columns: 1fr;
  }

  .otb-header-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .otb-nav {
    max-width: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
  }

  .otb-nav a {
    flex: 0 0 auto;
  }

  .otb-seven,
  .otb-protocol-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .otb-filters {
    grid-template-columns: repeat(2, 1fr);
  }

  .otb-local-nav {
    top: 122px;
  }
}

@media (max-width: 720px) {
  .otb-metrics,
  .otb-seven,
  .otb-condition-grid,
  .otb-cards-3,
  .otb-assessment-grid,
  .otb-evidence-grid,
  .otb-reassess-grid,
  .otb-protocol-grid,
  .otb-source-list,
  .otb-adjacent,
  .otb-filters,
  .otb-form-grid {
    grid-template-columns: 1fr;
  }

  .otb-form .span-2 {
    grid-column: auto;
  }

  .otb-condition-card {
    grid-template-columns: 54px 1fr;
    padding: 14px;
  }

  .otb-section-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .otb-local-nav {
    position: static;
  }
}

@media print {
  .otb-header,
  .otb-footer,
  .otb-local-nav,
  .otb-actions,
  .otb-filters,
  .otb-skip {
    display: none !important;
  }

  .otb-page {
    background: #fff;
    color: #000;
    font-size: 10.5pt;
  }

  .otb-section,
  .otb-page-hero {
    padding-block: 12px;
  }

  .otb-panel,
  .otb-card,
  .otb-protocol,
  .otb-condition-card,
  .otb-table-wrap {
    break-inside: avoid;
    box-shadow: none;
  }

  .otb-table {
    min-width: 0;
  }

  a {
    color: #000 !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .otb-page {
    scroll-behavior: auto;
  }
}