@font-face {
  font-family: "Uni Sans";
  src: url("/site/assets/uni-sans.ttf") format("truetype");
  font-display: swap;
  font-style: normal;
  font-weight: 800;
}

:root {
  --canvas: #fbfaff;
  --surface: #fff;
  --soft: #f2edff;
  --ink: #17132b;
  --muted: #716b86;
  --line: #e5deef;
  --accent: #7547e8;
  --accent-strong: #6436d5;
  --green: #14a96b;
  --shadow: 0 28px 70px rgba(62, 22, 101, .12);
  --content: 1180px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --canvas: #0c0a14;
  --surface: #171320;
  --soft: #241c38;
  --ink: #f5f1ff;
  --muted: #aaa2bc;
  --line: #342d45;
  --accent: #a783ff;
  --accent-strong: #b496ff;
  --green: #42d99b;
  --shadow: 0 28px 70px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  background:
    linear-gradient(rgba(117, 71, 232, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(117, 71, 232, .04) 1px, transparent 1px),
    var(--canvas);
  background-size: 56px 56px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
img, svg { display: block; }
button { color: inherit; font: inherit; cursor: pointer; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3, .knowledge-brand, .knowledge-kicker, .article-tag, .article-meta, .knowledge-button {
  font-family: "Uni Sans", Inter, sans-serif;
  font-weight: 800;
}
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent); outline-offset: 3px; }

.knowledge-skip {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 11px 15px;
  border-radius: 10px;
  color: #fff;
  background: var(--accent);
  transform: translateY(-160%);
}
.knowledge-skip:focus { transform: none; }

.knowledge-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 76px;
  padding: 0 max(24px, calc((100vw - var(--content)) / 2));
  border-bottom: 1px solid color-mix(in srgb, var(--line) 84%, transparent);
  background: color-mix(in srgb, var(--canvas) 89%, transparent);
  backdrop-filter: blur(18px);
  width: 100%;
}
.knowledge-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: -.03em;
}
.knowledge-brand span { line-height: .95; }
.knowledge-brand b { color: var(--accent); }
.knowledge-nav { display: flex; justify-content: center; gap: 30px; }
.knowledge-nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: color 160ms ease;
}
.knowledge-nav a:hover, .knowledge-nav a[aria-current="page"] { color: var(--accent); }
.knowledge-actions { display: flex; align-items: center; gap: 10px; }
.knowledge-theme, .knowledge-menu {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}
.knowledge-theme svg, .knowledge-menu svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.knowledge-theme .sun { display: none; }
:root[data-theme="dark"] .knowledge-theme .moon { display: none; }
:root[data-theme="dark"] .knowledge-theme .sun { display: block; }
.knowledge-menu { display: none; }

.knowledge-main { overflow: clip; }
.knowledge-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  align-items: center;
  gap: 70px;
  width: min(var(--content), calc(100% - 48px));
  min-height: 520px;
  margin: 0 auto;
  padding: 80px 0;
  border-bottom: 1px solid var(--line);
}
.knowledge-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.knowledge-kicker::before { width: 28px; height: 2px; background: currentColor; content: ""; }
.knowledge-hero h1, .article-hero h1 {
  max-width: 850px;
  font-size: clamp(48px, 7vw, 94px);
  line-height: .9;
  letter-spacing: -.055em;
  text-transform: uppercase;
  overflow-wrap: break-word;
}
.knowledge-hero h1 em, .article-hero h1 em { color: var(--accent); font-style: normal; }
.knowledge-hero-copy > p:last-of-type {
  max-width: 650px;
  margin-top: 26px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.6;
}
.knowledge-hero-copy { min-width: 0; }
.knowledge-visual {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
}
.knowledge-visual::before, .knowledge-visual::after {
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: 50%;
  content: "";
}
.knowledge-visual::before { inset: 8%; animation: knowledge-spin 18s linear infinite; border-right-color: var(--accent); }
.knowledge-visual::after { inset: 24%; border-left-color: var(--green); }
.knowledge-visual img { position: relative; z-index: 1; width: 58%; filter: drop-shadow(0 24px 28px rgba(63, 27, 115, .24)); }

.knowledge-section, .related-section {
  width: min(var(--content), calc(100% - 48px));
  margin: 0 auto;
  padding: 84px 0;
}
.section-heading {
  display: grid;
  grid-template-columns: 1fr minmax(260px, 430px);
  gap: 60px;
  align-items: end;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}
.section-heading h2 { font-size: clamp(34px, 5vw, 60px); line-height: .96; letter-spacing: -.04em; text-transform: uppercase; }
.section-heading p { color: var(--muted); font-size: 16px; line-height: 1.65; }
.featured-article {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  min-height: 330px;
  margin-top: 38px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.featured-copy { display: flex; flex-direction: column; padding: clamp(30px, 5vw, 58px); }
.article-tag { color: var(--accent); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.featured-copy h3 { max-width: 680px; margin-top: 38px; font-size: clamp(30px, 4vw, 51px); line-height: .98; letter-spacing: -.035em; text-transform: uppercase; }
.featured-copy p { max-width: 620px; margin-top: 18px; color: var(--muted); line-height: 1.65; }
.article-link { display: inline-flex; align-items: center; gap: 10px; margin-top: auto; padding-top: 34px; color: var(--accent); font-weight: 800; text-decoration: none; }
.article-link span { transition: transform 160ms ease; }
.article-link:hover span { transform: translateX(5px); }
.featured-art { position: relative; display: grid; place-items: center; min-height: 260px; background: var(--soft); }
.featured-art::before { position: absolute; inset: 12%; border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent); border-radius: 50%; content: ""; }
.featured-art img { position: relative; width: min(62%, 230px); }
.article-list { margin-top: 30px; border-top: 1px solid var(--line); }
.article-row {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 30px 10px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: padding 180ms ease, color 180ms ease;
}
.article-row:hover { padding-right: 18px; padding-left: 18px; color: var(--accent); }
.article-row small { color: var(--muted); font-weight: 700; }
.article-row strong { font-family: "Uni Sans"; font-size: clamp(20px, 2.4vw, 30px); text-transform: uppercase; }
.article-row i { font-size: 26px; font-style: normal; }

.knowledge-cta {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
  width: min(var(--content), calc(100% - 48px));
  margin: 0 auto 84px;
  padding: 48px;
  border-radius: 28px;
  color: #fff;
  background: var(--accent);
}
.knowledge-cta h2 { max-width: 720px; font-size: clamp(30px, 4vw, 52px); line-height: .96; text-transform: uppercase; }
.knowledge-cta p { margin-top: 12px; color: rgba(255,255,255,.76); line-height: 1.5; }
.knowledge-button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 24px; border-radius: 14px; color: var(--ink); background: #fff; text-decoration: none; text-transform: uppercase; white-space: nowrap; }
.knowledge-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  width: min(var(--content), calc(100% - 48px));
  margin: 0 auto;
  padding: 32px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
.knowledge-footer nav { display: flex; flex-wrap: wrap; gap: 20px; }

.article-main { width: min(1060px, calc(100% - 48px)); margin: 0 auto; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; padding-top: 38px; color: var(--muted); font-size: 14px; }
.breadcrumbs a { text-decoration: none; }
.article-hero { padding: 72px 0 58px; border-bottom: 1px solid var(--line); }
.article-hero h1 { max-width: 980px; margin-top: 18px; font-size: clamp(44px, 7vw, 82px); }
.article-deck { max-width: 760px; margin-top: 28px; color: var(--muted); font-size: clamp(18px, 2vw, 22px); line-height: 1.55; }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 28px; color: var(--muted); font-size: 12px; letter-spacing: .05em; text-transform: uppercase; }
.article-layout { display: grid; grid-template-columns: 220px minmax(0, 720px); gap: 70px; padding: 60px 0 90px; }
.article-toc { position: sticky; top: 104px; align-self: start; }
.article-toc span { display: block; margin-bottom: 16px; color: var(--muted); font-family: "Uni Sans"; font-size: 12px; text-transform: uppercase; }
.article-toc a { display: block; padding: 9px 0; color: var(--muted); font-size: 14px; line-height: 1.35; text-decoration: none; }
.article-toc a:hover { color: var(--accent); }
.article-content { min-width: 0; }
.article-content section + section { margin-top: 54px; }
.article-content h2 { margin-bottom: 18px; font-size: clamp(28px, 4vw, 42px); line-height: 1; letter-spacing: -.03em; text-transform: uppercase; }
.article-content h3 { margin: 28px 0 12px; font-size: 22px; }
.article-content p, .article-content li { color: color-mix(in srgb, var(--ink) 82%, var(--muted)); font-size: 17px; line-height: 1.75; }
.article-content p + p { margin-top: 16px; }
.article-content ul, .article-content ol { display: grid; gap: 12px; margin: 18px 0 0; padding-left: 24px; }
.article-note { margin: 30px 0; padding: 24px 26px; border-left: 4px solid var(--accent); background: var(--soft); }
.article-note strong { display: block; margin-bottom: 8px; font-family: "Uni Sans"; text-transform: uppercase; }
.article-table { width: 100%; margin-top: 24px; border-collapse: collapse; }
.article-table th, .article-table td { padding: 18px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; line-height: 1.5; }
.article-table th { color: var(--muted); font-size: 12px; text-transform: uppercase; }
.article-sources { padding-top: 28px; border-top: 1px solid var(--line); }
.article-sources a { color: var(--accent); }
.related-section { padding-top: 0; }

@keyframes knowledge-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}

@media (max-width: 840px) {
  .knowledge-header { grid-template-columns: 1fr auto; padding: 0 18px; }
  .knowledge-menu { display: grid; }
  .knowledge-actions { grid-column: 2; grid-row: 1; }
  .knowledge-nav {
    position: absolute;
    top: 67px;
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--surface);
    box-shadow: var(--shadow);
  }
  .knowledge-nav.is-open { display: flex; }
  .knowledge-nav a { padding: 14px; }
  .knowledge-hero { grid-template-columns: 1fr; gap: 24px; min-height: auto; padding: 64px 0 48px; }
  .knowledge-visual { width: min(270px, 72vw); margin: 0 auto; }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .featured-article { grid-template-columns: 1fr; }
  .featured-art { grid-row: 1; min-height: 230px; }
  .article-row { grid-template-columns: 1fr auto; gap: 8px 20px; }
  .article-row small { grid-column: 1 / -1; }
  .knowledge-cta { grid-template-columns: 1fr; padding: 34px 28px; }
  .knowledge-button { justify-self: start; }
  .article-layout { grid-template-columns: 1fr; gap: 34px; }
  .article-toc { position: static; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
}

@media (max-width: 520px) {
  .knowledge-header { min-height: 68px; }
  .knowledge-brand img { width: 34px; height: 34px; }
  .knowledge-theme, .knowledge-menu { width: 39px; height: 39px; }
  .knowledge-hero, .knowledge-section, .related-section, .knowledge-cta, .knowledge-footer, .article-main { width: calc(100% - 32px); max-width: var(--content); }
  .knowledge-hero h1 { font-size: clamp(39px, 13vw, 54px); }
  .article-hero h1 { max-width: 100%; font-size: clamp(38px, 11.5vw, 46px); line-height: .94; }
  .knowledge-section { padding: 64px 0; }
  .featured-copy { padding: 28px 22px; }
  .article-row { padding: 24px 2px; }
  .knowledge-cta { margin-bottom: 60px; }
  .knowledge-footer { flex-direction: column; }
  .article-hero { padding: 52px 0 40px; }
  .article-layout { padding: 42px 0 64px; }
  .article-content p, .article-content li { font-size: 16px; }
  .article-table { display: block; overflow-x: auto; }
}