/* ==========================================================================
   Nerdience Knowledge Portal — design system
   Black + White + Yellow. Layered on Zensical's own --md-* tokens so theme
   upgrades keep working. Shared by company-engineering and company-hr-general;
   keep both copies identical.
   ========================================================================== */

/* ---------- 1. Tokens ---------------------------------------------------- */
:root {
  --nd-yellow: #ffcc00;
  --nd-yellow-strong: #f0b800;
  --nd-yellow-tint: #fff7d1;
  --nd-black: #0b0b0c;
  --nd-ink: #16161a;
  --nd-graphite: #2a2a30;
  --nd-radius: 10px;
  --nd-radius-sm: 6px;
  --nd-sidebar-guide: #e4e4e7;

  --md-primary-fg-color: var(--nd-black);
  --md-primary-fg-color--light: var(--nd-graphite);
  --md-primary-fg-color--dark: #000;
  --md-primary-bg-color: #ffffff;
  --md-primary-bg-color--light: rgba(255, 255, 255, 0.72);
  --md-accent-fg-color: var(--nd-yellow-strong);
  --md-accent-fg-color--transparent: rgba(255, 204, 0, 0.14);
  --md-accent-bg-color: var(--nd-black);

  --md-default-fg-color: #121214;
  --md-default-fg-color--light: #52525b;
  --md-default-fg-color--lighter: #a1a1aa;
  --md-default-fg-color--lightest: #e4e4e7;
  --md-default-bg-color: #ffffff;

  --md-typeset-color: #1c1c20;
  --md-typeset-a-color: var(--nd-black);
  --md-typeset-mark-color: rgba(255, 204, 0, 0.45);

  --md-code-bg-color: #f5f5f4;
  --md-code-fg-color: #1c1c20;
  --md-footer-bg-color: var(--nd-black);
  --md-footer-bg-color--dark: #000;

  --nd-surface: #fafafa;
  --nd-border: #e7e7ea;
  --nd-card-hover: #ffffff;
  --nd-muted: #6b6b73;
}

[data-md-color-scheme="slate"] {
  --nd-sidebar-guide: #2a2a30;

  --md-default-fg-color: #ececef;
  --md-default-fg-color--light: #a1a1aa;
  --md-default-fg-color--lighter: #6b6b73;
  --md-default-fg-color--lightest: #2a2a30;
  --md-default-bg-color: #0e0e10;

  --md-typeset-color: #dcdce0;
  --md-typeset-a-color: var(--nd-yellow);
  --md-accent-fg-color: var(--nd-yellow);

  --md-code-bg-color: #17171b;
  --md-code-fg-color: #e4e4e7;

  --nd-surface: #141417;
  --nd-border: #26262b;
  --nd-card-hover: #19191d;
  --nd-muted: #9a9aa3;
}

/* ---------- 2. Base typography ------------------------------------------ */
body {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.md-typeset {
  font-size: 0.8rem;
  line-height: 1.7;
}
.md-typeset h1 {
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--md-default-fg-color);
  margin-bottom: 1.1em;
  position: relative;
  padding-bottom: 0.45em;
}
.md-typeset h1::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 2.4rem;
  height: 4px;
  border-radius: 2px;
  background: var(--nd-yellow);
}
.md-typeset h2 {
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-top: 1.9em;
  padding-top: 0.95em;
  border-top: 1px solid var(--nd-border);
}
.md-typeset h1 + h2,
.md-typeset .nd-hero + h2 {
  border-top: 0;
  padding-top: 0;
}
.md-typeset h3 {
  font-weight: 650;
  letter-spacing: -0.01em;
}

/* Links: ink with a yellow underline (light), yellow (dark) */
.md-typeset a {
  text-decoration: underline;
  text-decoration-color: var(--nd-yellow);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: background-color 0.15s, text-decoration-color 0.15s;
}
.md-typeset a:hover {
  color: var(--nd-black);
  background: var(--nd-yellow);
  text-decoration-color: var(--nd-yellow);
  border-radius: 2px;
}
[data-md-color-scheme="slate"] .md-typeset a {
  text-decoration-color: rgba(255, 204, 0, 0.45);
}
[data-md-color-scheme="slate"] .md-typeset a:hover {
  color: var(--nd-black);
}
.md-typeset a.headerlink,
.md-typeset a.headerlink:hover {
  background: none;
  text-decoration: none;
}

/* Lists */
.md-typeset ul li::marker {
  color: var(--nd-yellow-strong);
}

/* Inline code */
.md-typeset code {
  border-radius: 4px;
  padding: 0.1em 0.35em;
  border: 1px solid var(--nd-border);
}
.md-typeset pre > code {
  border: 0;
}
.md-typeset pre {
  border-radius: var(--nd-radius);
  border: 1px solid var(--nd-border);
}

/* Blockquote → callout (used for "Draft" notices) */
.md-typeset blockquote {
  border-left: 4px solid var(--nd-yellow);
  background: var(--nd-yellow-tint);
  color: var(--md-typeset-color);
  border-radius: 0 var(--nd-radius-sm) var(--nd-radius-sm) 0;
  padding: 0.75rem 1rem;
  margin: 1.4em 0;
}
[data-md-color-scheme="slate"] .md-typeset blockquote {
  background: rgba(255, 204, 0, 0.07);
}
.md-typeset blockquote > :first-child { margin-top: 0; }
.md-typeset blockquote > :last-child { margin-bottom: 0; }

/* Tables */
.md-typeset table:not([class]) {
  border: 1px solid var(--nd-border);
  border-radius: var(--nd-radius);
  overflow: hidden;
  box-shadow: none;
  font-size: 0.75rem;
}
.md-typeset table:not([class]) th {
  background: var(--nd-black);
  color: #fff;
  font-weight: 650;
  letter-spacing: 0.01em;
}
.md-typeset table:not([class]) tr:nth-child(even) td {
  background: var(--nd-surface);
}

/* Tags (from frontmatter) */
.md-typeset .md-tag {
  background: transparent;
  border: 1px solid var(--nd-border);
  color: var(--nd-muted);
  font-weight: 600;
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 999px;
}

/* ---------- 3. Header ---------------------------------------------------- */
.md-header,
.md-banner,
.md-footer-meta {
  /* Header, banner and footer are black in both schemes: give it dark-scheme tokens so the
     theme's own controls (search, toggle, repo link) stay readable. */
  --md-default-fg-color: #ececef;
  --md-default-fg-color--light: #a1a1aa;
  --md-default-fg-color--lighter: #3a3a42;
  --md-default-fg-color--lightest: #1c1c21;
  --md-default-bg-color: #0b0b0c;
  --md-default-bg-color--light: #2a2a30;
}
.md-header {
  background: var(--nd-black);
  color: #fff;
  box-shadow: none;
  border-bottom: 1px solid #1f1f23;
}
.md-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--nd-yellow) 0, var(--nd-yellow) 12rem, transparent 12rem);
}
.md-header__title {
  font-weight: 700;
  letter-spacing: -0.01em;
}
/* Official Nerdience wordmark (white) + divider before the portal title */
.md-header__button.md-logo {
  margin-right: 0.2rem;
}
.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  height: 1.2rem;
  width: auto;
}
.md-header__title {
  margin-left: 0.4rem;
  padding-left: 0.9rem;
  border-left: 1px solid #34343a;
  color: #e4e4e7;
  font-weight: 600;
}
/* Mobile drawer: the wordmark sits on the black drawer title */
/* Mobile/tablet drawer only: on desktop the theme hides this title and it
   must stay hidden (otherwise the logo appears twice). */
@media screen and (max-width: 76.2344em) {
  .md-nav--primary > .md-nav__title[for="__drawer"] {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    height: auto;
    min-height: 5.6rem;
    white-space: normal;
    line-height: 1.3;
  }
  .md-nav .md-nav__title[for="__drawer"] .md-logo {
    display: block;
    width: auto;
    height: 1.3rem;
    margin: 0 0 0.6rem;
  }
  .md-nav .md-nav__title[for="__drawer"] .md-logo img {
    max-width: none;
    height: 100%;
  }
}
.md-nav--primary > .md-nav__title {
  background: var(--nd-black);
  color: #fff;
}
.md-header .md-search__button {
  width: 11rem;
  border: 1px solid #2c2c32;
  border-radius: 8px;
  color: #a1a1aa;
}
.md-header .md-search__button:hover,
.md-header .md-search__button:focus {
  border-color: var(--nd-yellow);
  color: #f4f4f5;
}
.md-header .md-source {
  color: #d4d4d8;
}

/* ---------- 4. Portal switcher (announce bar) --------------------------- */
.md-banner {
  background: #000;
  color: #a1a1aa;
  border-bottom: 1px solid #1f1f23;
}
.md-banner__inner {
  margin-top: 0;
  margin-bottom: 0;
  padding: 0;
  font-size: 0.64rem;
}
.nd-switch {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  height: 2rem;
}
.nd-switch__brand {
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
}
.nd-switch__brand span {
  color: var(--nd-yellow);
}
.nd-switch__sep {
  width: 1px;
  height: 0.9rem;
  background: #333;
}
.nd-switch a {
  text-decoration: none;
  color: #a1a1aa;
  font-weight: 600;
  letter-spacing: 0.02em;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.nd-switch a:hover {
  color: #fff;
}
.nd-switch a[aria-current="page"] {
  color: #fff;
  border-bottom-color: var(--nd-yellow);
}
.nd-switch__note {
  margin-left: auto;
  color: #71717a;
}

/* ---------- 5. Sidebar navigation (the folder tree) --------------------- */
.md-sidebar--primary .md-nav {
  font-size: 0.7rem;
}
.md-nav__link {
  border-radius: var(--nd-radius-sm);
  transition: background-color 0.12s, color 0.12s;
}
.md-sidebar--primary .md-nav__item .md-nav__link:hover {
  color: var(--md-default-fg-color);
  background: var(--nd-surface);
}
.md-sidebar--primary .md-nav__link--active .md-ellipsis {
  color: var(--md-default-fg-color) !important;
}
.md-sidebar--primary .md-nav__link--active,
.md-sidebar--primary .md-nav__item .md-nav__link--active:hover {
  color: var(--md-default-fg-color) !important;
  background: var(--md-accent-fg-color--transparent);
  font-weight: 650;
  box-shadow: inset 3px 0 0 var(--nd-yellow);
}
/* Top-level sections read as headings */
.md-sidebar--primary .md-nav--primary > .md-nav__list > .md-nav__item--section > .md-nav__link {
  color: var(--md-default-fg-color);
  font-weight: 750;
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
/* Indentation guides so nesting depth is visible */
.md-sidebar--primary .md-nav--primary .md-nav__item--nested > .md-nav > .md-nav__list {
  border-left: 1px solid var(--nd-sidebar-guide);
  margin-left: 0.55rem;
  padding-left: 0.25rem;
}
.md-sidebar--primary .md-nav--primary > .md-nav__list > .md-nav__item--section > .md-nav > .md-nav__list {
  border-left: 0;
  margin-left: 0;
  padding-left: 0;
}

/* Page status icons: hidden in navigation. Status is shown in the governance
   bar at the top of each page instead (every page is a draft today, so a
   per-item marker would carry no signal). */
.md-nav .md-status {
  display: none;
}

/* Table of contents */
.md-sidebar--secondary .md-nav__title {
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--nd-muted);
}
.md-sidebar--secondary .md-nav__link--active {
  color: var(--md-default-fg-color);
  font-weight: 650;
}
.md-sidebar--secondary .md-nav__link--active::before {
  content: "";
  display: inline-block;
  width: 0.35rem;
  height: 0.35rem;
  margin-right: 0.35rem;
  border-radius: 50%;
  background: var(--nd-yellow);
  vertical-align: middle;
}

/* Breadcrumb */
.md-path {
  font-size: 0.62rem;
  letter-spacing: 0.03em;
}

/* ---------- 6. Governance bar (owner / classification / status) -------- */
.nd-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.9rem;
  margin: 0 0 1.4rem;
  font-size: 0.62rem;
  color: var(--nd-muted);
}
.nd-meta__item b {
  font-weight: 600;
  color: var(--md-default-fg-color);
}
.nd-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-weight: 700;
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2em 0.6em;
  border-radius: 999px;
  border: 1px solid var(--nd-border);
  color: var(--md-default-fg-color);
}
.nd-badge--draft {
  background: var(--nd-yellow);
  border-color: var(--nd-yellow);
  color: var(--nd-black);
}
.nd-badge--approved {
  background: var(--nd-black);
  border-color: var(--nd-black);
  color: #fff;
}
[data-md-color-scheme="slate"] .nd-badge--approved {
  background: #fff;
  border-color: #fff;
  color: var(--nd-black);
}
.nd-badge--restricted,
.nd-badge--confidential {
  border-color: currentColor;
}

/* ---------- 7. Home hero + section cards -------------------------------- */
.md-typeset .nd-hero {
  position: relative;
  margin: -0.4rem 0 2.2rem;
  padding: 2.4rem 2.2rem 2.2rem;
  border-radius: 14px;
  background:
    radial-gradient(900px 260px at 110% -30%, rgba(255, 204, 0, 0.22), transparent 60%),
    linear-gradient(180deg, #111114, var(--nd-black));
  color: #f4f4f5;
  overflow: hidden;
  border: 1px solid #1f1f23;
}
.md-typeset .nd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: linear-gradient(90deg, transparent 30%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 30%, #000 100%);
  pointer-events: none;
}
.md-typeset .nd-hero > * {
  position: relative;
}
.md-typeset .nd-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--md-code-font-family);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--nd-yellow);
  margin: 0 0 0.9rem;
}
.md-typeset .nd-hero__eyebrow::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  background: var(--nd-yellow);
  border-radius: 2px;
}
.md-typeset .nd-hero__title {
  font-size: 1.9rem;
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
  margin: 0 0 0.7rem;
  max-width: 22ch;
}
.md-typeset .nd-hero__lead {
  font-size: 0.86rem;
  line-height: 1.6;
  color: #b4b4bc;
  max-width: 56ch;
  margin: 0 0 1.4rem;
}
.md-typeset .nd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0;
}
.md-typeset .nd-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 0.55em 1em;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.72rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.12s, background-color 0.12s, border-color 0.12s;
}
.md-typeset .nd-btn:hover {
  transform: translateY(-1px);
}
.md-typeset .nd-btn--primary,
.md-typeset .nd-btn--primary:hover {
  background: var(--nd-yellow);
  color: var(--nd-black);
}
.md-typeset .nd-btn--ghost {
  color: #fff;
  border-color: #3a3a42;
}
.md-typeset .nd-btn--ghost:hover {
  background: #1d1d22;
  color: #fff;
  border-color: var(--nd-yellow);
}
.md-typeset .nd-hero kbd {
  font-size: 0.62rem;
  background: #222;
  color: #ddd;
  box-shadow: none;
  border: 1px solid #3a3a42;
}

.md-typeset .nd-section-label {
  font-family: var(--md-code-font-family);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--nd-muted);
  margin: 2rem 0 0.8rem;
}
.md-typeset .nd-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(13.5rem, 1fr));
  gap: 0.8rem;
  margin: 0 0 1.5rem;
}
.md-typeset a.nd-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.05rem 1.1rem 1rem;
  border: 1px solid var(--nd-border);
  border-radius: var(--nd-radius);
  background: var(--nd-surface);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s, background-color 0.15s;
}
.md-typeset a.nd-card:hover {
  background: var(--nd-card-hover);
  border-color: var(--nd-black);
  color: inherit;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -14px rgba(0, 0, 0, 0.35), inset 0 3px 0 var(--nd-yellow);
}
[data-md-color-scheme="slate"] .md-typeset a.nd-card:hover {
  border-color: var(--nd-yellow);
}
.md-typeset .nd-card__num {
  font-family: var(--md-code-font-family);
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--nd-muted);
  letter-spacing: 0.06em;
}
.md-typeset a.nd-card:hover .nd-card__num {
  color: var(--nd-yellow-strong);
}
.md-typeset .nd-card__title {
  font-size: 0.86rem;
  font-weight: 750;
  letter-spacing: -0.01em;
  color: var(--md-default-fg-color);
}
.md-typeset .nd-card__desc {
  font-size: 0.7rem;
  line-height: 1.5;
  color: var(--nd-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.md-typeset .nd-card__go {
  margin-top: auto;
  padding-top: 0.5rem;
  font-size: 0.64rem;
  font-weight: 700;
  color: var(--md-default-fg-color);
  letter-spacing: 0.02em;
}
.md-typeset .nd-card__go::after {
  content: " →";
  transition: margin-left 0.15s;
}
.md-typeset a.nd-card:hover .nd-card__go::after {
  margin-left: 0.2rem;
}

/* ---------- 8. Footer ---------------------------------------------------- */
.md-footer {
  border-top: 2px solid var(--nd-yellow);
}
.md-footer__link:hover .md-footer__title {
  color: var(--nd-yellow);
}
.md-footer-meta {
  background: #000;
  color: #a1a1aa;
}
.md-footer-meta .md-copyright__highlight {
  color: #e4e4e7;
}
.md-footer-meta.md-typeset a {
  color: #d4d4d8;
}

/* ---------- 9. Small screens -------------------------------------------- */
@media screen and (max-width: 44.9375em) {
  .md-typeset .nd-hero {
    padding: 1.6rem 1.2rem;
    margin: 0 -0.8rem 1.6rem;
    border-radius: 0;
  }
  .md-typeset .nd-hero__title {
    font-size: 1.45rem;
  }
  .md-header__title {
    border-left: 0;
    padding-left: 0;
    margin-left: 0;
  }
  .nd-switch__brand,
  .nd-switch__note,
  .nd-switch__sep {
    display: none;
  }
  .nd-switch {
    gap: 1rem;
    padding: 0 0.8rem;
    overflow-x: auto;
    white-space: nowrap;
  }
}

/* Hero title is an <h1> for accessibility; drop the page-title underline bar */
.md-typeset .nd-hero__title {
  padding-bottom: 0;
}
.md-typeset .nd-hero__title::after {
  display: none;
}