.cert-page {
  min-height: 100vh;
  padding: 112px 0 88px;
}

.cert-container {
  width: min(1120px, calc(100% - 48px));
  margin-inline: auto;
}

.cert-hero,
.cert-track-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 7vw, 88px);
  border: 2px solid var(--rule-strong, var(--border));
  background:
    linear-gradient(135deg, var(--blueprint-tint, rgba(53, 83, 255, 0.08)), transparent 58%),
    var(--bg-surface);
  box-shadow: 8px 8px 0 var(--rule-soft);
}

.cert-hero::after,
.cert-track-hero::after {
  content: "CERT";
  position: absolute;
  right: -0.02em;
  bottom: -0.22em;
  font-family: var(--font-display);
  font-size: clamp(7rem, 22vw, 17rem);
  line-height: 1;
  color: var(--blueprint);
  opacity: 0.045;
  pointer-events: none;
}

.cert-track-hero.is-not-found::after {
  content: "404";
}

.cert-track-not-found-copy {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.cert-hero h1,
.cert-track-hero h1 {
  position: relative;
  z-index: 1;
  max-width: 850px;
  margin: 12px 0 20px;
  text-wrap: balance;
}

.cert-eyebrow,
.cert-meta-chip,
.cert-card-code,
.cert-fact-label,
.cert-domain-weight,
.cert-lesson-num,
.cert-status,
.cert-assessment-kind,
.cert-timer,
.cert-question-kicker {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.cert-eyebrow {
  color: var(--blueprint);
  font-size: 0.74rem;
  font-weight: 700;
}

.cert-lede,
.cert-track-summary {
  position: relative;
  z-index: 1;
  max-width: 760px;
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  color: var(--ink-soft);
}

.cert-meta-row {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.cert-meta-chip {
  padding: 7px 10px;
  border: 1px solid var(--rule-soft);
  background: var(--bg);
  color: var(--ink-soft);
  font-size: 0.68rem;
}

.cert-section {
  padding-top: 72px;
}

.cert-access-notice {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  margin-top: 28px;
  padding: 22px 24px;
  border: 1px solid var(--blueprint);
  background: var(--blueprint-tint, rgba(53, 83, 255, 0.08));
}

.cert-access-notice[hidden] {
  display: none;
}

.cert-access-notice strong {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blueprint);
}

.cert-access-notice p {
  max-width: 820px;
  margin: 7px 0 0;
  color: var(--ink-soft);
}

.cert-source-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 16px;
  max-width: 340px;
}

.cert-source-links a {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  white-space: nowrap;
}

.cert-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 460px);
  align-items: end;
  gap: 32px;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--rule-strong, var(--border));
}

.cert-section-heading h2 {
  margin: 8px 0 0;
}

.cert-section-heading > p {
  margin: 0;
  color: var(--ink-soft);
}

.cert-track-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.cert-track-card {
  display: flex;
  flex-direction: column;
  min-height: 360px;
  padding: 28px;
  border: 1px solid var(--rule-strong, var(--border));
  background: var(--bg-surface);
  color: var(--ink);
  box-shadow: 4px 4px 0 var(--rule-soft);
  transition:
    transform var(--motion-feedback) var(--ease-out),
    border-color var(--motion-feedback) var(--ease-out),
    background-color var(--motion-feedback) var(--ease-out);
}

.cert-track-card.cert-catalog-arrival {
  animation: cert-catalog-arrive var(--motion-enter) var(--ease-out) backwards;
  animation-delay: var(--cert-arrival-delay, 0ms);
}

@keyframes cert-catalog-arrive {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (hover: hover) and (pointer: fine) {
  .cert-track-card:hover {
    transform: translate(-2px, -2px);
    border-color: var(--blueprint);
    background: color-mix(in srgb, var(--bg-surface) 94%, var(--blueprint) 6%);
  }
}

.cert-track-card:active {
  transform: scale(0.97);
  transition-duration: var(--motion-press);
}

.cert-card-top,
.cert-card-footer,
.cert-progress-head,
.cert-assessment-head,
.cert-question-head,
.cert-results-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.cert-card-code {
  color: var(--blueprint);
  font-size: 0.72rem;
}

.cert-status {
  padding: 4px 7px;
  border: 1px solid var(--rule-soft);
  color: var(--ink-soft);
  font-size: 0.62rem;
}

.cert-card-identity {
  margin: 30px 0 14px;
}

.cert-card-identity.has-badge {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 92px;
  align-items: center;
  gap: 22px;
}

.cert-track-card h3 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  text-wrap: balance;
}

.cert-track-badge {
  display: block;
  width: 92px;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
  justify-self: end;
  clip-path: polygon(31% 0, 67% 0, 86% 6%, 97% 20%, 100% 36%, 99% 71%, 88% 84%, 61% 99%, 25% 97%, 6% 82%, 0 66%, 0 36%, 5% 20%);
}

.cert-track-card p {
  color: var(--ink-soft);
}

.cert-card-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: auto 0 24px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
}

.cert-card-fact {
  padding: 12px 10px;
  background: var(--bg);
}

.cert-card-fact strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--ink);
}

.cert-fact-label {
  display: block;
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 0.56rem;
}

.cert-card-footer {
  padding-top: 16px;
  border-top: 1px solid var(--rule-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--blueprint);
}

.cert-method-grid,
.cert-plan-grid,
.cert-assessment-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.cert-plan-grid.cert-two-card-grid,
.cert-assessment-grid.cert-two-card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cert-method-grid article,
.cert-plan-card,
.cert-assessment-card {
  padding: 24px;
  border: 1px solid var(--rule-soft);
  background: var(--bg-surface);
}

.cert-method-grid article > span {
  font-family: var(--font-display);
  font-size: 2.8rem;
  color: var(--blueprint);
}

.cert-method-grid h3,
.cert-plan-card h3,
.cert-assessment-card h3 {
  margin: 18px 0 10px;
  font-size: 1.45rem;
}

.cert-notice {
  margin-top: 72px;
  padding: 22px 24px;
  border-left: 4px solid var(--blueprint);
  background: var(--blueprint-tint, rgba(53, 83, 255, 0.08));
}

.cert-notice strong {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blueprint);
}

.cert-notice p {
  margin: 8px 0 0;
  color: var(--ink-soft);
}

.cert-breadcrumb {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
}

.cert-track-hero {
  padding: clamp(32px, 6vw, 64px);
}

.cert-track-hero-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.cert-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid var(--blueprint);
  background: var(--blueprint);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition:
    transform var(--motion-press) var(--ease-out),
    background-color var(--motion-feedback) var(--ease-out),
    border-color var(--motion-feedback) var(--ease-out),
    color var(--motion-feedback) var(--ease-out);
}

.cert-action:hover {
  background: color-mix(in srgb, var(--blueprint) 94%, white);
  color: var(--bg);
  border-bottom-color: var(--blueprint);
}

.cert-action.secondary {
  background: var(--bg);
  color: var(--blueprint);
}

.cert-action.secondary:hover {
  background: var(--blueprint-tint, rgba(53, 83, 255, 0.08));
  color: var(--blueprint);
}

.cert-action.cert-coming-soon {
  gap: 9px;
  border-color: var(--rule-strong, var(--border));
  border-style: dashed;
  background: color-mix(in srgb, var(--bg) 88%, var(--blueprint) 12%);
  color: var(--ink-soft);
  cursor: default;
  user-select: none;
}

.cert-action.cert-coming-soon::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  background: var(--blueprint);
}

.cert-action.cert-coming-soon:hover {
  border-color: var(--rule-strong, var(--border));
  background: color-mix(in srgb, var(--bg) 88%, var(--blueprint) 12%);
  color: var(--ink-soft);
}

.cert-action.cert-coming-soon:active {
  transform: none;
}

.cert-action:active {
  transform: scale(0.97);
}

.cert-progress-card {
  padding: 26px;
  border: 2px solid var(--rule-strong, var(--border));
  background: var(--bg-surface);
}

.cert-progress-card h2 {
  margin: 0;
  font-size: 1.8rem;
}

.cert-progress-number {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--blueprint);
}

.cert-progress-bar {
  height: 10px;
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--rule-soft);
  background: var(--bg);
}

.cert-progress-fill {
  width: 100%;
  height: 100%;
  background: var(--blueprint);
  transform: scaleX(var(--cert-progress, 0));
  transform-origin: left center;
  transition: transform var(--motion-drawer) var(--ease-out);
}

.cert-progress-detail {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-soft);
}

.cert-domain-list,
.cert-lesson-list,
.cert-deep-dive-list {
  display: grid;
  gap: 10px;
}

.cert-domain-row {
  display: grid;
  grid-template-columns: 90px minmax(180px, 0.8fr) minmax(260px, 1.6fr);
  gap: 20px;
  padding: 20px;
  border: 1px solid var(--rule-soft);
  background: var(--bg-surface);
}

.cert-domain-weight {
  align-self: start;
  font-size: 1.25rem;
  color: var(--blueprint);
}

.cert-domain-row h3 {
  margin: 0;
  font-size: 1.35rem;
}

.cert-objectives {
  margin: 0;
  padding-left: 18px;
  color: var(--ink-soft);
}

.cert-objectives li + li {
  margin-top: 6px;
}

.cert-lesson-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) minmax(180px, 300px) auto;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--rule-soft);
  background: var(--bg-surface);
}

.cert-lesson-row.is-complete {
  border-left: 4px solid var(--complete, #24a148);
}

.cert-lesson-num {
  color: var(--blueprint);
  font-size: 0.72rem;
}

.cert-lesson-copy h3 {
  margin: 0 0 4px;
  font-family: var(--font-body);
  font-size: 1.05rem;
  text-transform: none;
  color: var(--ink);
}

.cert-lesson-copy p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.cert-domain-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 5px;
}

.cert-domain-chip {
  padding: 4px 6px;
  border: 1px solid var(--rule-soft);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--ink-soft);
}

.cert-lesson-open {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  white-space: nowrap;
}

.cert-deep-dive-row {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
  border: 1px dashed var(--rule-soft);
  background: color-mix(in srgb, var(--bg-surface) 82%, var(--blueprint) 18%);
}

.cert-deep-dive-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--blueprint);
}

.cert-assessment-card {
  display: flex;
  flex-direction: column;
  min-height: 250px;
}

.cert-assessment-kind {
  font-size: 0.65rem;
  color: var(--blueprint);
}

.cert-assessment-card p {
  color: var(--ink-soft);
}

.cert-assessment-best {
  margin-top: auto;
  padding: 12px 0;
  border-top: 1px solid var(--rule-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-soft);
}

.cert-plan-card ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--ink-soft);
}

.cert-loading,
.cert-empty,
.cert-error {
  padding: 48px 28px;
  border: 1px solid var(--rule-soft);
  background: var(--bg-surface);
  text-align: center;
  color: var(--ink-soft);
}

.assessment-shell {
  max-width: 900px;
  margin-inline: auto;
}

.assessment-hero {
  padding: 32px;
  border: 2px solid var(--rule-strong, var(--border));
  background: var(--bg-surface);
}

.assessment-hero h1 {
  margin: 12px 0 12px;
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.assessment-hero p {
  color: var(--ink-soft);
}

.assessment-hero .assessment-scoring-note {
  color: var(--ink);
  font-weight: 600;
}

.cert-timer {
  position: sticky;
  top: 74px;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin: 18px 0;
  padding: 12px 16px;
  border: 1px solid var(--rule-strong, var(--border));
  background: var(--bg);
  color: var(--ink);
  font-size: 0.72rem;
}

.cert-timer.is-low {
  border-color: #c62828;
  color: #c62828;
}

[data-theme="dark"] .cert-timer.is-low {
  border-color: #ef5350;
  color: #ef5350;
}

.assessment-form {
  display: grid;
  gap: 18px;
}

.cert-question {
  margin: 0;
  padding: 24px;
  border: 1px solid var(--rule-soft);
  background: var(--bg-surface);
}

.cert-question legend {
  width: 100%;
  padding: 0;
}

.cert-question-kicker {
  color: var(--blueprint);
  font-size: 0.62rem;
}

.cert-question-prompt {
  margin: 12px 0 18px;
  font-family: var(--font-body);
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--ink);
}

.cert-option-list {
  display: grid;
  gap: 8px;
}

.cert-option {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 13px 14px;
  border: 1px solid var(--rule-soft);
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
  transition:
    transform var(--motion-press) var(--ease-out),
    border-color var(--motion-feedback) var(--ease-out),
    background-color var(--motion-feedback) var(--ease-out),
    color var(--motion-feedback) var(--ease-out);
}

.cert-option:hover {
  border-color: var(--blueprint);
}

.cert-option.is-selected,
.cert-option:has(input:checked) {
  border-color: var(--blueprint);
  background: var(--blueprint-tint, rgba(53, 83, 255, 0.08));
  color: var(--blueprint);
}

.cert-option:active {
  transform: scale(0.97);
}

.cert-option input {
  margin-top: 4px;
  accent-color: var(--blueprint);
}

.cert-submit-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 22px 0;
}

.cert-submit-row p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.86rem;
}

.cert-results {
  display: grid;
  gap: 18px;
  animation: cert-results-enter var(--motion-enter) var(--ease-out) both;
  transform-origin: top center;
}

@keyframes cert-results-enter {
  from {
    opacity: 0;
    transform: scale(0.97);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.cert-results-summary {
  padding: 30px;
  border: 2px solid var(--blueprint);
  background: var(--blueprint-tint, rgba(53, 83, 255, 0.08));
}

.cert-results-score {
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 7rem);
  line-height: 0.9;
  color: var(--blueprint);
}

.cert-domain-score-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 20px;
}

.cert-domain-score {
  padding: 12px;
  border: 1px solid var(--rule-soft);
  background: var(--bg);
}

.cert-domain-score strong,
.cert-domain-score span {
  display: block;
}

.cert-domain-score span {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--blueprint);
}

.cert-review {
  padding: 24px;
  border: 1px solid var(--rule-soft);
  background: var(--bg-surface);
}

.cert-review.is-correct {
  border-left: 4px solid var(--complete, #24a148);
}

.cert-review.is-wrong {
  border-left: 4px solid #c62828;
}

.cert-review h3 {
  margin: 10px 0;
  font-family: var(--font-body);
  text-transform: none;
  color: var(--ink);
}

.cert-review-answer,
.cert-review-explanation {
  margin-top: 12px;
  padding: 12px;
  background: var(--bg);
}

.cert-review-answer strong,
.cert-review-explanation strong {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--blueprint);
}

.cert-reference-list {
  margin: 10px 0 0;
  padding-left: 18px;
}

.cert-reference-list a {
  overflow-wrap: anywhere;
}

.cert-remediation {
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--blueprint);
}

.cert-remediation h2 {
  margin: 8px 0 10px;
  font-size: 1.65rem;
}

.cert-remediation > p {
  color: var(--ink-soft);
}

.cert-remediation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.cert-remediation-domain {
  padding: 16px;
  border: 1px solid var(--rule-soft);
  background: var(--bg);
}

.cert-remediation-domain h3 {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  text-transform: none;
  color: var(--ink);
}

.cert-remediation-domain > span {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--blueprint);
}

.cert-remediation-links {
  display: grid;
  gap: 6px;
  margin: 12px 0 0;
  padding-left: 18px;
}

.cert-remediation-links a {
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .cert-section-heading,
  .cert-domain-row,
  .cert-access-notice {
    grid-template-columns: 1fr;
  }

  .cert-source-links {
    justify-content: flex-start;
    max-width: none;
  }

  .cert-track-grid,
  .cert-method-grid,
  .cert-plan-grid,
  .cert-assessment-grid {
    grid-template-columns: 1fr 1fr;
  }

  .cert-domain-row {
    gap: 10px;
  }

  .cert-card-identity.has-badge {
    grid-template-columns: minmax(0, 1fr) 68px;
    gap: 14px;
  }

  .cert-track-badge {
    width: 68px;
  }

  .cert-lesson-row {
    grid-template-columns: 40px minmax(0, 1fr) auto;
  }

  .cert-deep-dive-row {
    grid-template-columns: 70px minmax(0, 1fr) auto;
  }

  .cert-domain-chips {
    grid-column: 2 / -1;
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .cert-page {
    padding: 82px 0 56px;
  }

  .cert-container {
    width: min(100% - 28px, 1120px);
  }

  .cert-hero,
  .cert-track-hero,
  .assessment-hero {
    padding: 26px 20px;
    box-shadow: 4px 4px 0 var(--rule-soft);
  }

  .cert-section {
    padding-top: 52px;
  }

  .cert-track-grid,
  .cert-method-grid,
  .cert-plan-grid,
  .cert-assessment-grid,
  .cert-domain-score-grid,
  .cert-remediation-grid {
    grid-template-columns: 1fr;
  }

  .cert-plan-grid.cert-two-card-grid,
  .cert-assessment-grid.cert-two-card-grid {
    grid-template-columns: 1fr;
  }

  .cert-card-facts {
    grid-template-columns: 1fr;
  }

  .cert-track-card {
    min-height: 0;
    padding: 22px;
  }

  .cert-card-identity.has-badge {
    grid-template-columns: minmax(0, 1fr) 76px;
    gap: 16px;
  }

  .cert-track-badge {
    width: 76px;
  }

  .cert-lesson-row {
    grid-template-columns: 32px minmax(0, 1fr);
    align-items: start;
    padding: 16px;
  }

  .cert-deep-dive-row {
    grid-template-columns: 1fr;
    align-items: start;
    padding: 16px;
  }

  .cert-domain-chips,
  .cert-lesson-open {
    grid-column: 2;
    justify-self: start;
  }

  .cert-deep-dive-row .cert-lesson-open {
    grid-column: 1;
  }

  .cert-progress-head,
  .cert-results-head,
  .cert-submit-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .cert-action {
    width: 100%;
  }

  .cert-question {
    padding: 18px;
  }

  .cert-timer {
    top: 58px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cert-progress-fill {
    transition: none;
  }

  .cert-track-card {
    transition:
      border-color var(--motion-feedback) ease,
      background-color var(--motion-feedback) ease;
  }

  .cert-track-card.cert-catalog-arrival,
  .cert-results {
    animation: cert-fade-in var(--motion-feedback) ease both;
    animation-delay: 0ms;
  }

  .cert-track-card:active,
  .cert-action:active,
  .cert-option:active {
    transform: none;
  }

  .cert-track-card:hover {
    transform: none;
  }
}

@keyframes cert-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}