/* SPLOT-PAS knowledge library — additive styles for the existing static site. */
:root {
  --kb-green: #b7f314;
  --kb-max-copy: 780px;
}

[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  z-index: 200;
  left: 16px;
  top: 12px;
  transform: translateY(-160%);
  border-radius: 4px;
  padding: 10px 14px;
  background: var(--yellow);
  color: var(--black);
  font-weight: 850;
}

.skip-link:focus { transform: translateY(0); }

.kb-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  padding: 20px 0 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
}

.kb-breadcrumb a:hover { color: var(--blue-dark); }

.kb-hero {
  overflow: hidden;
  background: var(--black);
  color: var(--white);
}

.kb-hero__grid {
  display: grid;
  min-height: 680px;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, .85fr);
  align-items: stretch;
}

.kb-hero__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(72px, 10vw, 132px) clamp(28px, 6vw, 78px) clamp(72px, 10vw, 132px) 0;
}

.kb-hero .section-label { color: var(--yellow); }

.kb-hero h1 {
  max-width: 760px;
  margin: 20px 0 0;
  font-size: clamp(4rem, 8vw, 7.8rem);
  font-weight: 900;
  letter-spacing: -.055em;
  line-height: .87;
  text-wrap: balance;
}

.kb-hero__copy > p:not(.section-label) {
  max-width: 680px;
  margin: 30px 0 0;
  color: #ffffffc7;
  font-size: 1.22rem;
  line-height: 1.65;
}

.kb-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  margin-top: 40px;
  background: #ffffff2b;
}

.kb-hero__stats span {
  display: flex;
  min-width: 150px;
  flex: 1;
  align-items: baseline;
  gap: 8px;
  padding: 18px;
  background: var(--black);
  color: #ffffffa8;
  font-family: var(--font-mono);
  font-size: .68rem;
  text-transform: uppercase;
}

.kb-hero__stats strong { color: var(--yellow); font-size: 1.25rem; }

.kb-hero__media {
  position: relative;
  min-height: 680px;
  overflow: hidden;
  border-inline: 1px solid #ffffff28;
  background: #235400;
}

.kb-hero__media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #0009, transparent 28%), linear-gradient(0deg, #0007, transparent 35%);
  content: "";
  pointer-events: none;
}

.kb-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.kb-hero__media figcaption,
.kb-article-hero__media figcaption {
  position: absolute;
  z-index: 2;
  right: 16px;
  bottom: 14px;
  border-radius: 3px;
  padding: 7px 9px;
  background: #000c;
  color: #fff;
  font-family: var(--font-mono);
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
}

.kb-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .5fr);
  align-items: end;
  gap: 40px;
  margin-bottom: 38px;
}

.kb-section-heading h2 {
  max-width: 780px;
  margin: 14px 0 0;
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  font-weight: 900;
  letter-spacing: -.045em;
  line-height: .98;
  text-wrap: balance;
}

.kb-section-heading > p { color: var(--muted); line-height: 1.7; }

.kb-featured-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.kb-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.kb-card { min-width: 0; background: var(--white); }

.kb-card__media {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #deded8;
}

.kb-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.kb-card:hover .kb-card__media img { transform: scale(1.035); }

.kb-card__body { display: flex; min-height: 330px; flex-direction: column; padding: clamp(22px, 3vw, 32px); }
.kb-card__body .mono-label { color: var(--blue-dark); }

.kb-card h3 {
  margin: 12px 0 0;
  font-size: clamp(1.45rem, 2vw, 2rem);
  font-weight: 850;
  letter-spacing: -.025em;
  line-height: 1.08;
}

.kb-card h3 a:hover { color: var(--blue-dark); }
.kb-card__body > p:not(.mono-label) { margin: 16px 0 0; color: var(--muted); font-size: .9rem; line-height: 1.65; }
.kb-card__meta { display: flex; justify-content: space-between; gap: 16px; margin-top: auto; border-top: 1px solid var(--line); padding-top: 18px; color: var(--muted); font-family: var(--font-mono); font-size: .64rem; font-weight: 700; text-transform: uppercase; }

.kb-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 26px;
  border-block: 1px solid var(--line);
  padding-block: 14px;
}

.kb-filters { display: flex; flex-wrap: wrap; gap: 7px; }

.kb-filter {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 0 13px;
  background: var(--white);
  color: var(--ink);
  font-size: .78rem;
  font-weight: 800;
}

.kb-filter:hover { border-color: var(--blue); }
.kb-filter.is-active { border-color: var(--black); background: var(--black); color: var(--white); }

.kb-search {
  display: flex;
  width: min(100%, 350px);
  min-height: 44px;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 0 13px;
  background: var(--white);
}

.kb-search input { min-width: 0; flex: 1; border: 0; outline: 0; background: transparent; }
.kb-empty { margin-top: 20px; border: 1px solid var(--line); padding: 22px; background: var(--white); color: var(--muted); }

.kb-paths-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border: 1px solid var(--line); background: var(--line); gap: 1px; }
.kb-paths-grid a { display: grid; min-height: 220px; align-content: space-between; padding: 24px; background: var(--white); transition: background .18s ease, color .18s ease; }
.kb-paths-grid a:hover { background: var(--yellow); color: var(--black); }
.kb-paths-grid span { color: var(--blue-dark); font-family: var(--font-mono); font-size: .68rem; font-weight: 750; }
.kb-paths-grid strong { align-self: end; font-size: 1.7rem; font-weight: 900; }
.kb-paths-grid small { color: var(--muted); line-height: 1.4; }

.kb-article-hero { border-bottom: 1px solid var(--line); background: var(--fog); }
.kb-article-hero__grid { display: grid; grid-template-columns: minmax(0, .96fr) minmax(360px, 1.04fr); gap: clamp(30px, 5vw, 68px); padding: 34px 0 56px; }
.kb-article-hero__copy { align-self: center; }
.kb-article-hero h1 { max-width: 850px; margin: 18px 0 0; font-size: clamp(3.3rem, 6.2vw, 6.2rem); font-weight: 900; letter-spacing: -.055em; line-height: .91; text-wrap: balance; }
.kb-dek { max-width: 720px; margin: 25px 0 0; color: #333; font-size: 1.2rem; line-height: 1.65; }
.kb-meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 30px; border-top: 1px solid var(--line); padding-top: 17px; color: var(--muted); font-family: var(--font-mono); font-size: .66rem; font-weight: 700; text-transform: uppercase; }
.kb-article-hero__media { position: relative; min-height: 490px; overflow: hidden; border: 1px solid var(--line); border-radius: 6px; background: #ddd; }
.kb-article-hero__media img { width: 100%; height: 100%; object-fit: cover; }

.kb-article-layout { display: grid; grid-template-columns: 240px minmax(0, var(--kb-max-copy)); justify-content: center; gap: clamp(42px, 7vw, 100px); padding-block: clamp(68px, 8vw, 112px); }
.kb-toc { position: sticky; top: 104px; align-self: start; border-top: 3px solid var(--black); padding-top: 16px; }
.kb-toc > strong { font-family: var(--font-mono); font-size: .68rem; text-transform: uppercase; }
.kb-toc ol { display: grid; gap: 11px; margin: 18px 0 0; padding: 0; list-style: none; }
.kb-toc a { color: var(--muted); font-size: .78rem; line-height: 1.35; }
.kb-toc a:hover { color: var(--blue-dark); }

.kb-prose { min-width: 0; color: #343434; font-size: 1.06rem; line-height: 1.82; }
.kb-prose-section + .kb-prose-section { margin-top: 56px; }
.kb-prose h2, .kb-faq h2, .kb-related h2 { scroll-margin-top: 100px; color: var(--black); font-size: clamp(2rem, 3.4vw, 3rem); font-weight: 900; letter-spacing: -.035em; line-height: 1.06; text-wrap: balance; }
.kb-prose p { margin: 19px 0 0; }
.kb-prose ul { display: grid; gap: 10px; margin: 24px 0 0; padding: 0; list-style: none; }
.kb-prose li { position: relative; border-top: 1px solid var(--line); padding: 12px 0 0 24px; }
.kb-prose li::before { position: absolute; left: 0; color: var(--blue-dark); content: "→"; font-weight: 900; }
.kb-prose a:not(.button):not(.kb-related-link) { color: var(--blue-dark); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }

.kb-glossary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin: 28px 0 0; border: 1px solid var(--line); background: var(--line); }
.kb-term { min-width: 0; padding: 22px; background: var(--fog); }
.kb-term dt { color: var(--black); font-size: 1.08rem; font-weight: 900; }
.kb-term dd { margin: 8px 0 0; color: var(--muted); font-size: .88rem; line-height: 1.65; }

.kb-faq { margin-top: 64px; border-top: 4px solid var(--black); padding-top: 24px; }
.kb-faq h2 { margin-bottom: 24px; }
.kb-faq details { border-top: 1px solid var(--line); }
.kb-faq details:last-child { border-bottom: 1px solid var(--line); }
.kb-faq summary { position: relative; padding: 19px 40px 19px 0; color: var(--black); font-weight: 850; line-height: 1.35; cursor: pointer; }
.kb-faq summary::after { position: absolute; right: 5px; color: var(--blue-dark); content: "+"; font-size: 1.35rem; }
.kb-faq details[open] summary::after { content: "−"; }
.kb-faq details p { margin: 0; padding: 0 0 20px; color: var(--muted); font-size: .95rem; line-height: 1.7; }
.kb-faq-group + .kb-faq-group { margin-top: 60px; }
.kb-faq--long h2 { font-size: 2rem; }

.kb-related { margin-top: 70px; border-top: 1px solid var(--line); padding-top: 30px; }
.kb-related .section-label { margin-bottom: 12px; }
.kb-related > div { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.kb-related-link { display: inline-flex; min-height: 46px; align-items: center; gap: 9px; border: 1px solid var(--line); border-radius: 5px; padding: 0 15px; color: var(--black); font-size: .82rem; font-weight: 850; }
.kb-related-link:hover { border-color: var(--blue); color: var(--blue-dark); }

.kb-cta { background: var(--black); color: var(--white); }
.kb-cta .container { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 50px; padding-block: clamp(72px, 9vw, 120px); }
.kb-cta .section-label { color: var(--yellow); }
.kb-cta h2 { max-width: 840px; margin: 16px 0 0; font-size: clamp(2.8rem, 5.5vw, 5.3rem); font-weight: 900; letter-spacing: -.05em; line-height: .94; text-wrap: balance; }
.kb-cta p:not(.section-label) { max-width: 660px; margin: 22px 0 0; color: #ffffffad; line-height: 1.7; }

@media (max-width: 1100px) {
  .kb-featured-grid, .kb-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kb-paths-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .kb-article-layout { grid-template-columns: 210px minmax(0, 1fr); }
}

@media (max-width: 860px) {
  .kb-hero__grid, .kb-article-hero__grid, .kb-section-heading, .kb-cta .container { grid-template-columns: 1fr; }
  .kb-hero__copy { padding-right: 0; }
  .kb-hero__media { min-height: 480px; border-top: 1px solid #ffffff28; }
  .kb-tools { align-items: stretch; flex-direction: column; }
  .kb-search { width: 100%; }
  .kb-article-hero__media { min-height: 420px; }
  .kb-article-layout { grid-template-columns: 1fr; }
  .kb-toc { position: static; border: 1px solid var(--line); padding: 20px; background: var(--fog); }
  .kb-glossary { grid-template-columns: 1fr; }
  .kb-cta .button { justify-self: start; }
}

@media (max-width: 640px) {
  .kb-hero__grid { min-height: auto; }
  .kb-hero h1 { font-size: clamp(3.5rem, 18vw, 5.4rem); }
  .kb-hero__media { min-height: 420px; }
  .kb-featured-grid, .kb-grid, .kb-paths-grid { grid-template-columns: 1fr; }
  .kb-card__body { min-height: 285px; }
  .kb-paths-grid a { min-height: 165px; }
  .kb-article-hero h1 { font-size: clamp(3rem, 14vw, 4.5rem); }
  .kb-article-hero__media { min-height: 310px; }
  .kb-meta { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .kb-card__media img { transition: none; }
}