:root {
  --library-ink: #17213a;
  --library-muted: #56627a;
  --library-surface: #f5f7fb;
  --library-line: #dce2ee;
  --library-teal: #087f7a;
  --library-teal-dark: #075f5c;
  --library-blue: #3659bd;
  --library-gold: #c47a10;
  --md-primary-fg-color: #17213a;
  --md-primary-fg-color--light: #273657;
  --md-primary-fg-color--dark: #0e1526;
  --md-accent-fg-color: #087f7a;
  --md-typeset-a-color: #2862bd;
}

[data-md-color-scheme="slate"] {
  --library-ink: #f4f7ff;
  --library-muted: #bdc7dc;
  --library-surface: #172033;
  --library-line: #35425b;
  --library-teal: #54c8bd;
  --library-teal-dark: #8adfd7;
  --library-blue: #91a9ff;
  --library-gold: #f2bc6a;
  --md-primary-fg-color: #121a2b;
  --md-primary-fg-color--light: #24314c;
  --md-primary-fg-color--dark: #0b101c;
  --md-accent-fg-color: #54c8bd;
  --md-typeset-a-color: #91b4ff;
}

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

.md-header,
.md-tabs {
  background: var(--md-primary-fg-color);
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3 {
  color: var(--library-ink);
  font-weight: 750;
  letter-spacing: -0.025em;
}

.md-typeset h2 {
  margin-top: 2.6em;
}

.md-typeset blockquote {
  border-left-color: var(--library-teal);
  background: color-mix(in srgb, var(--library-teal) 7%, transparent);
  border-radius: 0 0.35rem 0.35rem 0;
  padding: 0.75rem 1rem;
}

.md-content .md-typeset :is(p, li) a:not(.md-button):not(.guide-start__report) {
  text-decoration: underline;
  text-decoration-thickness: 0.075em;
  text-underline-offset: 0.16em;
}

[data-md-color-scheme="certification-light"] .highlight :is(.c, .ch, .cm, .c1, .cs, .gh, .gu, .nv) {
  color: #626262;
}

.library-hero {
  position: relative;
  overflow: hidden;
  margin: 0 0 1.6rem;
  padding: clamp(2.4rem, 6vw, 5.2rem) clamp(1.4rem, 5vw, 4.8rem);
  color: #f8fbff;
  background:
    radial-gradient(circle at 83% 17%, rgba(84, 200, 189, 0.28), transparent 29%),
    radial-gradient(circle at 70% 86%, rgba(86, 113, 220, 0.3), transparent 34%),
    linear-gradient(135deg, #111a2f 0%, #17294c 52%, #0b5658 125%);
  border-radius: 0.8rem;
  box-shadow: 0 1.1rem 2.5rem rgba(14, 25, 50, 0.2);
}

.library-hero::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 2rem 2rem;
  mask-image: linear-gradient(110deg, transparent 5%, #000 75%);
}

.library-hero > * {
  position: relative;
  z-index: 1;
}

.library-hero__eyebrow {
  margin: 0 0 1rem;
  color: #8ee1da;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.library-hero h1 {
  max-width: 14ch;
  margin: 0;
  color: #fff;
  font-size: clamp(2.25rem, 6vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.library-hero h1 span {
  display: block;
  color: #8ee1da;
}

.library-hero__lede {
  max-width: 46rem;
  margin: 1.5rem 0 0;
  color: #dbe5f8;
  font-size: clamp(1rem, 2vw, 1.23rem);
  line-height: 1.65;
}

.library-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.8rem;
}

.library-hero .md-button {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.72);
  border-radius: 999px;
}

.library-hero .md-button--primary {
  color: #10203a;
  background: #8ee1da;
  border-color: #8ee1da;
}

.library-hero .md-button:is(:hover, :focus-visible) {
  color: #10203a;
  background: #fff;
  border-color: #fff;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  margin: 0 0 3rem;
  background: var(--library-line);
  border: 1px solid var(--library-line);
  border-radius: 0.55rem;
}

.trust-strip div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1rem 1.2rem;
  background: var(--md-default-bg-color);
}

.trust-strip strong {
  color: var(--library-ink);
  font-size: 1.55rem;
  line-height: 1;
}

.trust-strip span {
  color: var(--library-muted);
  font-size: 0.72rem;
}

.section-heading {
  max-width: 46rem;
  margin: 3.4rem 0 1.3rem;
}

.section-heading--compact {
  margin-top: 3rem;
}

.section-heading__eyebrow,
.page-eyebrow {
  margin: 0 0 0.38rem !important;
  color: var(--library-teal-dark);
  font-size: 0.65rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-heading h2 {
  margin: 0 0 0.55rem;
  font-size: clamp(1.55rem, 3vw, 2.15rem);
}

.section-heading > p:last-child,
.collection-lede {
  color: var(--library-muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

.track-grid,
.collection-grid,
.exam-grid,
.principle-grid {
  display: grid;
  gap: 1rem;
}

.track-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.collection-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.collection-grid--catalog {
  margin-top: 1.5rem;
}

.collection-card {
  display: flex;
  min-height: 11rem;
  flex-direction: column;
  grid-column: span 2;
  padding: 1.15rem;
  color: var(--library-ink) !important;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--library-blue) 8%, transparent), transparent 55%),
    var(--md-default-bg-color);
  border: 1px solid var(--library-line);
  border-top: 3px solid var(--library-blue);
  border-radius: 0.5rem;
  box-shadow: 0 0.24rem 0.8rem rgba(20, 34, 60, 0.07);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.collection-card:nth-child(2),
.collection-card:nth-child(5) {
  border-top-color: var(--library-teal);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--library-teal) 9%, transparent), transparent 55%),
    var(--md-default-bg-color);
}

.collection-card:nth-child(4) {
  border-top-color: var(--library-gold);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--library-gold) 9%, transparent), transparent 55%),
    var(--md-default-bg-color);
}

.collection-card:nth-child(4),
.collection-card:nth-child(5) {
  grid-column: span 3;
}

.collection-card:is(:hover, :focus-visible) {
  transform: translateY(-2px);
  border-color: var(--library-teal);
  box-shadow: 0 0.7rem 1.35rem rgba(18, 31, 57, 0.13);
}

.collection-card__count {
  color: var(--library-teal-dark);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.collection-card strong {
  margin-top: 0.48rem;
  font-size: 1.05rem;
  line-height: 1.25;
}

.collection-card__summary {
  margin-top: 0.45rem;
  color: var(--library-muted);
  font-size: 0.71rem;
  line-height: 1.55;
}

.collection-card__codes {
  margin-top: auto;
  padding-top: 0.8rem;
  color: var(--library-muted);
  font-size: 0.59rem;
  font-weight: 700;
  letter-spacing: 0.025em;
}

.track-card {
  display: flex;
  min-height: 8.5rem;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.45rem;
  padding: 1.3rem;
  color: #fff !important;
  background: linear-gradient(135deg, #202c47, #3659bd);
  border-radius: 0.55rem;
  box-shadow: 0 0.45rem 1rem rgba(18, 31, 57, 0.14);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.track-card--microsoft {
  background: linear-gradient(135deg, #075f5c, #0a8d86);
}

.track-card--hashicorp {
  background: linear-gradient(135deg, #2f2463, #6f55c7);
}

.track-card:is(:hover, :focus-visible) {
  transform: translateY(-2px);
  box-shadow: 0 0.7rem 1.35rem rgba(18, 31, 57, 0.2);
}

.track-card__eyebrow {
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  opacity: 0.82;
  text-transform: uppercase;
}

.track-card strong {
  font-size: 1.35rem;
}

.track-card > span:last-child {
  font-size: 0.72rem;
  opacity: 0.86;
}

.exam-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.exam-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 1rem 1.05rem;
  background: var(--md-default-bg-color);
  border: 1px solid var(--library-line);
  border-radius: 0.48rem;
  box-shadow: 0 0.2rem 0.7rem rgba(20, 34, 60, 0.06);
}

.exam-card__topline,
.exam-card__tags,
.exam-card__meta,
.exam-card__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.exam-card__topline {
  justify-content: space-between;
}

.exam-code {
  color: var(--library-ink);
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.07em;
}

.vendor-tag,
.level-tag,
.review-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border-radius: 999px;
  font-size: 0.59rem;
  font-weight: 750;
  line-height: 1.7;
}

.exam-card__tags {
  justify-content: flex-end;
}

.level-tag {
  padding: 0.05rem 0.48rem;
}

.level-tag--beginner {
  color: #28633e;
  background: color-mix(in srgb, #4e9f6d 15%, transparent);
}

.level-tag--intermediate {
  color: var(--library-blue);
  background: color-mix(in srgb, var(--library-blue) 11%, transparent);
}

.level-tag--expert {
  color: #6a3d92;
  background: color-mix(in srgb, #8250b5 14%, transparent);
}

.vendor-tag {
  padding: 0.05rem 0.48rem;
  color: var(--library-blue);
  background: color-mix(in srgb, var(--library-blue) 11%, transparent);
}

.vendor-tag--microsoft {
  color: var(--library-teal-dark);
  background: color-mix(in srgb, var(--library-teal) 12%, transparent);
}

.vendor-tag--hashicorp {
  color: #5a43a6;
  background: color-mix(in srgb, #6f55c7 13%, transparent);
}

.exam-card__title {
  margin: 0.8rem 0 0.6rem;
  font-size: 0.96rem;
  line-height: 1.3;
}

.exam-card__title a {
  color: var(--library-ink);
}

.level-intro {
  max-width: 48rem;
  margin-top: -0.2rem;
  color: var(--library-muted);
}

.exam-card__meta {
  color: var(--library-muted);
  font-size: 0.64rem;
}

.review-badge {
  padding: 0.05rem 0.48rem;
  color: #7a4a00;
  background: #fff1d6;
}

[data-md-color-scheme="slate"] .review-badge {
  color: #ffd899;
  background: #533919;
}

.review-badge--source-validated,
.review-badge--community-reviewed {
  color: #174b7a;
  background: #e1effc;
}

.exam-card__date {
  margin: 0.55rem 0 0;
  color: var(--library-muted);
  font-size: 0.63rem;
}

.exam-card__actions {
  margin-top: auto;
  padding-top: 0.9rem;
  font-size: 0.68rem;
}

.exam-card__primary {
  padding: 0.28rem 0.65rem;
  color: #fff !important;
  background: var(--library-teal-dark);
  border-radius: 0.25rem;
}

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

.principle-grid article {
  padding: 1.1rem;
  background: var(--library-surface);
  border-top: 3px solid var(--library-teal);
  border-radius: 0.35rem;
}

.principle-grid__number {
  color: var(--library-teal-dark);
  font-size: 0.64rem;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.principle-grid h3 {
  margin: 0.4rem 0;
  font-size: 0.9rem;
}

.principle-grid p {
  margin: 0;
  color: var(--library-muted);
  font-size: 0.73rem;
}

.method-link,
.page-links {
  margin-top: 1.1rem;
  color: var(--library-muted);
  font-size: 0.7rem;
}

.collection-lede {
  max-width: 48rem;
  margin-top: -0.3rem;
}

.build-note {
  margin-top: 2.5rem;
  color: var(--library-muted);
  font-size: 0.64rem;
  text-align: center;
}

.guide-start {
  margin: 1.3rem 0 2rem;
  padding: 1.2rem;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--library-teal) 8%, transparent), transparent 55%),
    var(--library-surface);
  border: 1px solid var(--library-border);
  border-radius: 0.55rem;
  box-shadow: var(--library-shadow-sm);
}

.guide-start__heading {
  display: flex;
  gap: 1rem;
  align-items: start;
  justify-content: space-between;
  margin-bottom: 0.9rem;
}

.guide-start__heading h2,
.guide-start__heading .page-eyebrow {
  margin: 0;
}

.guide-start__report {
  flex: 0 0 auto;
  padding: 0.42rem 0.65rem;
  color: var(--library-teal-dark);
  font-size: 0.68rem;
  font-weight: 750;
  border: 1px solid color-mix(in srgb, var(--library-teal) 45%, var(--library-border));
  border-radius: 999px;
}

.guide-start__facts,
.guide-start__paths {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}

.guide-start__facts > div,
.guide-start__paths > div {
  min-width: 0;
  padding: 0.72rem;
  background: color-mix(in srgb, var(--library-bg) 55%, transparent);
  border: 1px solid var(--library-border);
  border-radius: 0.4rem;
}

.guide-start__facts span,
.guide-start__paths span {
  display: block;
  color: var(--library-muted);
  font-size: 0.68rem;
  line-height: 1.45;
}

.guide-start__facts strong,
.guide-start__paths strong {
  display: block;
  margin-bottom: 0.15rem;
  color: var(--library-heading);
  font-size: 0.76rem;
}

.guide-start > p {
  font-size: 0.73rem;
}

.guide-start__domains {
  margin-top: 0.8rem;
  padding: 0.65rem 0.75rem;
  border-top: 1px solid var(--library-border);
}

.guide-start__domains summary {
  color: var(--library-heading);
  font-size: 0.72rem;
  font-weight: 750;
  cursor: pointer;
}

.guide-start__domains ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.3rem 1rem;
  margin: 0.7rem 0 0;
  padding: 0;
  list-style: none;
}

.guide-start__domains li {
  display: flex;
  gap: 0.6rem;
  justify-content: space-between;
  font-size: 0.68rem;
}

.guide-start__domains li strong {
  flex: 0 0 auto;
}

.guide-start .guide-start__estimate {
  margin: 0.65rem 0 0;
  color: var(--library-muted);
  font-size: 0.64rem;
}

:focus-visible {
  outline: 3px solid var(--library-gold);
  outline-offset: 3px;
}

@media screen and (max-width: 52rem) {
  .collection-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .collection-card,
  .collection-card:nth-child(4),
  .collection-card:nth-child(5) {
    grid-column: span 1;
  }

  .collection-card:last-child {
    grid-column: span 2;
  }

  .exam-grid,
  .principle-grid,
  .guide-start__facts,
  .guide-start__paths {
    grid-template-columns: 1fr;
  }

  .guide-start__domains ul {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 38rem) {
  .library-hero {
    margin-inline: -0.4rem;
    border-radius: 0.45rem;
  }

  .trust-strip,
  .track-grid,
  .collection-grid {
    grid-template-columns: 1fr;
  }

  .collection-card:last-child {
    grid-column: span 1;
  }

  .guide-start__heading {
    display: block;
  }

  .guide-start__report {
    display: inline-block;
    margin-top: 0.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .library-hero {
    color: #000;
    background: none;
    border: 1px solid #999;
    box-shadow: none;
  }

  .library-hero h1,
  .library-hero h1 span,
  .library-hero__eyebrow,
  .library-hero__lede {
    color: #000;
  }
}