.page-certification {
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  --cert-node-rail: 62px;
  --cert-band-pad: var(--space-4);
}

.page-certification .cert-hero {
  padding: var(--space-6) 0 var(--section-y);
}

.page-certification .cert-hero__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page-certification .cert-hero__title {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  margin: var(--space-2) 0 0;
  max-width: 13ch;
}

.page-certification .cert-hero__lede {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-ink-soft);
  max-width: 62ch;
  margin: 0;
}

.page-certification .cert-hero__board {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.page-certification .cert-axis__cap {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-3);
}

.page-certification .cert-axis {
  position: relative;
  padding-left: var(--space-3);
}

.page-certification .cert-axis::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--color-primary);
}

.page-certification .cert-axis__seg + .cert-axis__seg {
  margin-top: var(--space-4);
}

.page-certification .cert-axis__seg-name {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-1);
}

.page-certification .cert-axis__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-certification .cert-axis__node {
  display: flex;
  align-items: center;
  height: 22px;
  padding-left: var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-alt);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
  border-radius: var(--radius-sm);
}

.page-certification .cert-axis__node.is-current {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-certification .cert-hero__figure {
  margin: 0;
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-alt);
}

.page-certification .cert-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-certification .cert-hero__figcap {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  padding: var(--space-1) var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-certification .cert-hero__figures {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  border-radius: var(--radius-md);
}

.page-certification .cert-figure {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-primary-ink) 28%, transparent);
}

.page-certification .cert-figure:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-certification .cert-figure__num {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 0.92;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.page-certification .cert-figure__label {
  font-size: var(--text-sm);
  line-height: 1.45;
  color: color-mix(in srgb, var(--color-primary-ink) 86%, transparent);
}

.page-certification .cert-figure__label .mono {
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-primary-ink) 68%, transparent);
}

.page-certification .cert-phase-wrap {
  padding-bottom: var(--section-y);
}

.page-certification .cert-head {
  margin-bottom: var(--space-6);
}

.page-certification .cert-h2 {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  margin: 0 0 var(--space-2);
  max-width: 24ch;
}

.page-certification .cert-stage {
  position: relative;
  padding-top: var(--space-6);
  margin-top: var(--space-8);
}

.page-certification .cert-stage:first-of-type {
  margin-top: 0;
}

.page-certification .cert-stage::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: var(--color-contrast-surface);
}

.page-certification .cert-stage::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 8px;
  height: var(--border-thin);
  background: var(--color-line);
}

.page-certification .cert-stage__band {
  padding: var(--cert-band-pad);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border: var(--border-thin) solid var(--color-primary);
  border-radius: var(--radius-md);
}

.page-certification .cert-stage--2 .cert-stage__band {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-color: var(--color-accent);
}

.page-certification .cert-stage--3 .cert-stage__band {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-color: var(--color-contrast-surface);
}

.page-certification .cert-stage__idx {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.78;
}

.page-certification .cert-stage__name {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  margin: var(--space-1) 0 var(--space-2);
}

.page-certification .cert-stage__desc {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.6;
  opacity: 0.9;
}

.page-certification .cert-stage__figure {
  margin: var(--space-4) 0 0;
  border: var(--border-thin) solid var(--color-contrast-line);
}

.page-certification .cert-stage__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-certification .cert-nodes {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
}

.page-certification .cert-node {
  display: grid;
  grid-template-columns: var(--cert-node-rail) minmax(0, 1fr);
  gap: var(--space-1) var(--space-3);
  padding: var(--space-4) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-certification .cert-node__num {
  grid-row: 1 / 3;
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  padding-top: 4px;
}

.page-certification .cert-stage--2 .cert-node__num {
  color: var(--color-accent);
}

.page-certification .cert-node__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.35;
  margin: 0;
}

.page-certification .cert-node__body {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-certification .cert-node__p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.68;
  color: var(--color-ink-soft);
}

.page-certification .cert-node__tag {
  display: inline-block;
  min-width: 32px;
  margin-right: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.06em;
}

.page-certification .cert-node__p a {
  color: var(--color-primary);
}

.page-certification .cert-codes {
  position: relative;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--section-y) 0;
  overflow: hidden;
}

.page-certification .cert-codes__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-certification .cert-codes__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-certification .cert-codes__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.page-certification .cert-codes__inner {
  position: relative;
  z-index: 1;
}

.page-certification .kicker--on-dark {
  color: var(--color-contrast-accent);
}

.page-certification .cert-h2--on-dark {
  color: var(--color-contrast-ink);
}

.page-certification .cert-codes__lede {
  max-width: 62ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 86%, transparent);
  margin: 0;
}

.page-certification .cert-codes__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.page-certification .code-panel {
  border: var(--border-thin) solid var(--color-contrast-line);
  background: color-mix(in srgb, var(--color-contrast-surface) 86%, transparent);
  padding: var(--space-4);
  border-radius: var(--radius-md);
}

.page-certification .code-panel__head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-certification .code-panel__prefix {
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--color-contrast-accent);
  letter-spacing: 0.04em;
}

.page-certification .code-panel__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  margin: 0;
  color: var(--color-contrast-ink);
}

.page-certification .code-panel__note {
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-contrast-ink) 66%, transparent);
  margin: 2px 0 0;
  letter-spacing: 0.04em;
}

.page-certification .code-table-wrap {
  overflow-x: auto;
  margin-top: var(--space-3);
}

.page-certification .code-table {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  font-size: var(--text-sm);
  line-height: 1.55;
}

.page-certification .code-table caption {
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--color-contrast-ink) 66%, transparent);
  padding-bottom: var(--space-2);
}

.page-certification .code-table th,
.page-certification .code-table td {
  text-align: left;
  padding: var(--space-2) var(--space-2) var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
  vertical-align: top;
}

.page-certification .code-table thead th {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  font-weight: 400;
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.page-certification .code-table tbody th {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-contrast-accent);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.page-certification .code-table tbody td {
  color: color-mix(in srgb, var(--color-contrast-ink) 88%, transparent);
}

.page-certification .code-list {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 88%, transparent);
}

.page-certification .code-list li {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-1) 0;
  border-bottom: var(--border-thin) dotted var(--color-contrast-line);
}

.page-certification .code-list .mono {
  color: var(--color-contrast-accent);
  font-size: var(--text-xs);
  min-width: 62px;
  padding-top: 3px;
}

.page-certification .code-panel__foot {
  margin: var(--space-4) 0 0;
  font-size: var(--text-xs);
  line-height: 1.7;
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
}

.page-certification .cert-usage {
  padding: var(--section-y) 0;
}

.page-certification .cert-usage__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-certification .cert-usage__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  padding: var(--space-4) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-certification .cert-usage__item:last-child {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-certification .cert-usage__idx {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}

.page-certification .cert-usage__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  margin: 0;
}

.page-certification .cert-usage__text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-certification .cert-outro {
  padding-bottom: var(--section-y);
}

.page-certification .cert-outro__panel {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  padding: var(--space-6);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  border-radius: var(--radius-md);
}

.page-certification .cert-outro__copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-certification .cert-outro__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  margin: 0;
  color: var(--color-primary-ink);
}

.page-certification .cert-outro__text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.72;
  color: color-mix(in srgb, var(--color-primary-ink) 88%, transparent);
  max-width: 68ch;
}

.page-certification .cert-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-certification .cert-outro__btn {
  background: transparent;
  color: var(--color-primary-ink);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-primary-ink) 45%, transparent);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3);
  text-decoration: none;
  display: inline-block;
}

.page-certification .cert-outro__btn:hover,
.page-certification .cert-outro__btn:focus-visible {
  background: var(--color-primary-ink);
  color: var(--color-primary);
  border-color: var(--color-primary-ink);
}

.page-certification .link-underline--light {
  color: var(--color-primary-ink);
}

.page-certification .link-underline--light:hover,
.page-certification .link-underline--light:focus-visible {
  color: var(--color-primary-ink);
}

@media (min-width: 720px) {
  .page-certification {
    --cert-node-rail: 78px;
  }

  .page-certification .cert-hero__board {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
    gap: var(--space-6);
  }

  .page-certification .cert-hero__figures {
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: space-between;
    gap: var(--space-6);
    padding: var(--space-4);
  }

  .page-certification .cert-figure {
    flex: 1 1 0;
    border-bottom: 0;
    padding-bottom: 0;
  }

  .page-certification .cert-usage__item {
    grid-template-columns: 96px minmax(0, 190px) minmax(0, 1fr);
    align-items: baseline;
    gap: var(--space-4);
    padding: var(--space-6) 0;
  }

  .page-certification .cert-usage__idx {
    padding-top: 6px;
  }
}

@media (min-width: 1000px) {
  .page-certification .cert-hero__board {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr) minmax(0, 3fr);
    gap: var(--space-6);
  }

  .page-certification .cert-hero__figures {
    grid-column: auto;
    flex-direction: column;
    justify-content: flex-start;
    gap: var(--space-4);
    margin-top: var(--space-8);
    padding: var(--space-4) var(--space-3);
  }

  .page-certification .cert-figure {
    flex: 0 0 auto;
    padding-bottom: var(--space-3);
    border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-primary-ink) 28%, transparent);
  }

  .page-certification .cert-figure:last-child {
    padding-bottom: 0;
    border-bottom: 0;
  }

  .page-certification .cert-stage {
    display: grid;
    grid-template-columns: 268px minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-certification .cert-stage__band {
    position: sticky;
    top: var(--space-6);
  }

  .page-certification .cert-nodes {
    margin-top: 0;
  }

  .page-certification .cert-codes__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-6);
  }

  .page-certification .cert-outro__panel {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-8);
  }

  .page-certification .cert-outro__links {
    flex-direction: column;
    align-items: stretch;
  }

  .page-certification .cert-outro__btn {
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-certification * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}