:root {
  color-scheme: dark;
  --fn-bg: #05070a;
  --fn-panel: #0c1117;
  --fn-rule: #1f2a36;
  --fn-ink: #e6ebee;
  --fn-muted: #98a5b1;
  --fn-dim: #6f7d89;
  --fn-amber: #ffb13d;
  --fn-cyan: #29c6e8;
  --fn-display: "Big Shoulders Display", "Oswald", "Arial Narrow", Impact, sans-serif;
  --fn-body: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --fn-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { background: var(--fn-bg); scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(900px 420px at 70% -130px, rgba(41,198,232,.09), transparent 70%),
    var(--fn-bg);
  color: var(--fn-ink);
  font: 16px/1.65 var(--fn-body);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--fn-amber);
  outline-offset: 4px;
  border-radius: 3px;
}
.fn-skip {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 10px 14px;
  background: var(--fn-amber);
  color: #160e00;
  font-weight: 700;
}
.fn-skip:focus { transform: none; }
.fn-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 15px max(28px, calc((100vw - 1440px) / 2));
  border-bottom: 1px solid rgba(230,235,238,.1);
  background: rgba(5,7,10,.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.fn-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  flex: none;
  text-decoration: none;
  white-space: nowrap;
}
.fn-brand b {
  font: 900 28px/1 var(--fn-display);
  letter-spacing: .04em;
}
.fn-brand span {
  color: var(--fn-muted);
  font: 10px/1.2 var(--fn-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
}
.fn-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 9px clamp(14px, 2vw, 30px);
}
.fn-nav a {
  color: rgba(230,235,238,.8);
  font-size: 13px;
  text-decoration: none;
  transition: color .18s ease;
}
.fn-nav a:hover, .fn-nav a[aria-current="page"] { color: var(--fn-amber); }
.fn-nav .fn-nav-cta {
  padding: 9px 15px;
  border-radius: 999px;
  background: var(--fn-amber);
  color: #160e00;
  font-weight: 700;
}
.fn-nav .fn-nav-cta:hover { color: #160e00; background: #ffc567; }
.fn-wrap { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.fn-kicker {
  color: var(--fn-cyan);
  font: 11px/1.5 var(--fn-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
}
.fn-hero {
  position: relative;
  padding: clamp(58px, 9vw, 112px) 0 56px;
  border-bottom: 1px solid var(--fn-rule);
}
.fn-hero::before {
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(41,198,232,.7), transparent);
  content: "";
}
.fn-hero h1, .fn-article-hero h1 {
  max-width: 1000px;
  margin: 12px 0 18px;
  font: 800 clamp(3.2rem, 8.7vw, 7.7rem)/.88 var(--fn-display);
  letter-spacing: -.015em;
  text-transform: uppercase;
  text-wrap: balance;
}
.fn-hero p {
  max-width: 690px;
  margin: 0;
  color: #c5ced5;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}
.fn-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.fn-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 12px;
  border: 1px solid rgba(230,235,238,.18);
  border-radius: 999px;
  color: #cbd3da;
  font-size: 12px;
}
.fn-chip::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--fn-cyan);
  content: "";
}
.fn-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin: 54px 0 20px;
}
.fn-section-head h2 {
  margin: 0;
  font: 800 clamp(2.1rem, 4vw, 3.5rem)/.95 var(--fn-display);
  text-transform: uppercase;
}
.fn-section-head p { max-width: 430px; margin: 0; color: var(--fn-muted); font-size: 14px; }
.fn-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 18px;
  padding-bottom: 76px;
}
.fn-card {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--fn-rule);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(17,25,34,.94), rgba(8,12,17,.98));
  text-decoration: none;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.fn-card:hover {
  transform: translateY(-3px);
  border-color: rgba(41,198,232,.5);
  box-shadow: 0 24px 60px rgba(0,0,0,.28);
}
.fn-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16/8.5;
  object-fit: cover;
  background: #101820;
}
.fn-card-body { padding: 24px clamp(18px, 3vw, 32px) 28px; }
.fn-card-label {
  color: var(--fn-amber);
  font: 10px/1.5 var(--fn-mono);
  letter-spacing: .13em;
  text-transform: uppercase;
}
.fn-card h2 {
  margin: 10px 0 12px;
  font: 800 clamp(1.8rem, 3vw, 2.75rem)/.96 var(--fn-display);
  text-transform: uppercase;
  text-wrap: balance;
}
.fn-card p { margin: 0; color: #b5c0c9; font-size: 14px; }
.fn-card .fn-read {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  color: var(--fn-cyan);
  font: 11px/1.5 var(--fn-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.fn-index-note {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  align-items: center;
  gap: 24px;
  margin: 8px 0 74px;
  padding: 24px 28px;
  border-left: 2px solid var(--fn-cyan);
  background: rgba(41,198,232,.055);
}
.fn-index-note p { margin: 0; color: #c6d0d7; font-size: 14px; }
.fn-index-note a { color: var(--fn-amber); text-decoration-thickness: 1px; text-underline-offset: 4px; }
.fn-article-hero {
  padding: 46px 0 42px;
  border-bottom: 1px solid var(--fn-rule);
}
.fn-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 35px;
  color: var(--fn-muted);
  font: 11px/1.6 var(--fn-mono);
}
.fn-breadcrumbs a { color: #c4ced5; text-decoration: none; }
.fn-breadcrumbs a:hover { color: var(--fn-amber); text-decoration: underline; text-underline-offset: 3px; }
.fn-breadcrumbs [aria-current="page"] { color: var(--fn-cyan); }
.fn-article-hero h1 { max-width: 940px; font-size: clamp(2.8rem, 7vw, 6.35rem); }
.fn-deck {
  max-width: 790px;
  margin: 0;
  color: #c5ced5;
  font-size: clamp(1.08rem, 2vw, 1.34rem);
  line-height: 1.55;
}
.fn-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 25px;
  color: var(--fn-muted);
  font: 10px/1.6 var(--fn-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.fn-byline strong { color: var(--fn-ink); font-weight: 500; }
.fn-feature {
  margin: 34px 0 0;
}
.fn-feature img {
  display: block;
  width: 100%;
  max-height: 510px;
  aspect-ratio: 16/7.6;
  object-fit: cover;
  border: 1px solid var(--fn-rule);
  border-radius: 16px;
  background: #101820;
}
.fn-feature figcaption {
  margin-top: 9px;
  color: var(--fn-dim);
  font-size: 11px;
}
.fn-article-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(205px, 260px);
  align-items: start;
  justify-content: space-between;
  gap: clamp(34px, 7vw, 88px);
  padding: 48px 0 78px;
}
.fn-prose { min-width: 0; color: #d3dbe0; }
.fn-prose > p:first-child { margin-top: 0; font-size: 1.12rem; color: #edf1f3; }
.fn-prose p { margin: 0 0 1.12em; }
.fn-prose h2 {
  scroll-margin-top: 105px;
  margin: 2.25em 0 .65em;
  padding-top: .12em;
  color: var(--fn-ink);
  font: 800 clamp(2rem, 4vw, 3rem)/.95 var(--fn-display);
  text-transform: uppercase;
  text-wrap: balance;
}
.fn-prose h3 {
  scroll-margin-top: 105px;
  margin: 1.8em 0 .55em;
  color: var(--fn-cyan);
  font: 600 13px/1.5 var(--fn-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.fn-prose a { color: #73dff4; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.fn-prose a:hover { color: var(--fn-amber); }
.fn-prose strong { color: #f4f6f7; }
.fn-prose ul, .fn-prose ol { margin: 0 0 1.2em; padding-left: 1.35em; }
.fn-prose li { padding-left: .2em; margin: .35em 0; }
.fn-prose li::marker { color: var(--fn-amber); }
.fn-aside {
  position: sticky;
  top: 94px;
  padding: 20px 19px;
  border: 1px solid var(--fn-rule);
  border-radius: 14px;
  background: rgba(12,17,23,.8);
}
.fn-aside h2 {
  margin: 0 0 14px;
  color: var(--fn-cyan);
  font: 10px/1.5 var(--fn-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
}
.fn-toc { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.fn-toc a {
  display: block;
  color: #bdc8d0;
  font-size: 12px;
  line-height: 1.4;
  text-decoration: none;
}
.fn-toc a:hover { color: var(--fn-amber); }
.fn-aside-rule { height: 1px; margin: 18px 0; border: 0; background: var(--fn-rule); }
.fn-aside p { margin: 0 0 12px; color: var(--fn-muted); font-size: 12px; }
.fn-aside .fn-aside-link {
  display: block;
  color: var(--fn-amber);
  font: 10px/1.6 var(--fn-mono);
  letter-spacing: .07em;
  text-decoration: none;
  text-transform: uppercase;
}
.fn-table-wrap {
  max-width: 100%;
  margin: 24px 0 30px;
  overflow-x: auto;
  border: 1px solid var(--fn-rule);
  border-radius: 12px;
  overscroll-behavior-inline: contain;
}
.fn-table-wrap:focus-visible { outline: 2px solid var(--fn-amber); outline-offset: 3px; }
.fn-prose table { width: 100%; min-width: 620px; border-collapse: collapse; text-align: left; font-size: 13px; line-height: 1.5; }
.fn-prose caption { padding: 13px 16px; color: var(--fn-cyan); font: 10px/1.5 var(--fn-mono); letter-spacing: .1em; text-align: left; text-transform: uppercase; }
.fn-prose th, .fn-prose td { vertical-align: top; padding: 13px 15px; border-top: 1px solid var(--fn-rule); }
.fn-prose th { color: var(--fn-ink); background: rgba(41,198,232,.06); font: 500 10px/1.5 var(--fn-mono); letter-spacing: .07em; text-transform: uppercase; }
.fn-prose td { color: #c4ced5; }
.fn-prose tbody tr:nth-child(even) { background: rgba(255,255,255,.018); }
.fn-callout {
  margin: 28px 0;
  padding: 20px 22px;
  border-left: 2px solid var(--fn-amber);
  background: rgba(255,177,61,.055);
  color: #dce2e6;
}
.fn-callout p:last-child { margin-bottom: 0; }
.fn-prose blockquote {
  margin: 26px 0;
  padding: 2px 0 2px 20px;
  border-left: 1px solid var(--fn-cyan);
  color: #c7d4dc;
  font-size: 1.1rem;
}
.fn-checklist {
  overflow-x: auto;
  margin: 24px 0 30px;
  padding: 20px;
  border: 1px solid var(--fn-rule);
  border-radius: 12px;
  background: #090d12;
  color: #dce5e9;
  font: 12px/1.8 var(--fn-mono);
  white-space: pre-wrap;
}
.fn-faq { margin-top: 46px; }
.fn-faq h2 { margin-bottom: 18px; }
.fn-faq details { border-top: 1px solid var(--fn-rule); }
.fn-faq details:last-child { border-bottom: 1px solid var(--fn-rule); }
.fn-faq summary {
  position: relative;
  padding: 17px 36px 17px 0;
  color: var(--fn-ink);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}
.fn-faq summary::-webkit-details-marker { display: none; }
.fn-faq summary::after { position: absolute; right: 4px; color: var(--fn-amber); content: "+"; font: 20px/1 var(--fn-mono); }
.fn-faq details[open] summary::after { content: "−"; }
.fn-faq details p { margin: 0 0 18px; color: #bfc9d1; }
.fn-sources {
  margin-top: 48px;
  padding: 22px;
  border: 1px solid var(--fn-rule);
  border-radius: 14px;
  background: rgba(12,17,23,.65);
}
.fn-sources h2 { margin: 0 0 12px; font: 700 1.8rem/.95 var(--fn-display); }
.fn-sources ul { margin: 0; padding-left: 1.2em; }
.fn-sources li { margin: 8px 0; color: var(--fn-muted); font-size: 12px; }
.fn-sources a { color: #a7eefa; overflow-wrap: anywhere; }
.fn-cta-panel {
  margin: 8px 0 48px;
  padding: clamp(24px, 5vw, 42px);
  border: 1px solid rgba(255,177,61,.42);
  border-radius: 18px;
  background:
    radial-gradient(440px 180px at 92% 0, rgba(255,177,61,.12), transparent 80%),
    linear-gradient(130deg, #101820, #0a0e13);
}
.fn-cta-panel .fn-kicker { color: var(--fn-amber); }
.fn-cta-panel h2 { margin: 10px 0; font: 800 clamp(2.25rem, 4vw, 3.8rem)/.9 var(--fn-display); text-transform: uppercase; }
.fn-cta-panel p { max-width: 650px; margin: 0; color: #c5ced5; }
.fn-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.fn-action {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid rgba(230,235,238,.22);
  border-radius: 999px;
  color: var(--fn-ink);
  font-size: 13px;
  text-decoration: none;
}
.fn-action-primary { border-color: var(--fn-amber); background: var(--fn-amber); color: #160e00; font-weight: 700; }
.fn-action:hover { border-color: var(--fn-cyan); color: var(--fn-cyan); }
.fn-action-primary:hover { border-color: #ffc567; background: #ffc567; color: #160e00; }
.fn-related {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
  margin: 52px 0 0;
}
.fn-related a {
  display: block;
  min-width: 0;
  padding: 19px;
  border: 1px solid var(--fn-rule);
  border-radius: 12px;
  background: rgba(12,17,23,.72);
  color: var(--fn-ink);
  text-decoration: none;
}
.fn-related a:hover { border-color: rgba(41,198,232,.5); }
.fn-related small { display: block; margin-bottom: 7px; color: var(--fn-cyan); font: 9px/1.5 var(--fn-mono); letter-spacing: .12em; text-transform: uppercase; }
.fn-related strong { display: block; font: 700 1.55rem/.98 var(--fn-display); text-transform: uppercase; }
.fn-footer {
  padding: 26px 0 38px;
  border-top: 1px solid var(--fn-rule);
  color: var(--fn-muted);
}
.fn-footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; }
.fn-footer p { margin: 0; font: 10px/1.7 var(--fn-mono); letter-spacing: .05em; }
.fn-footer nav { display: flex; flex-wrap: wrap; gap: 16px; }
.fn-footer a { color: #c7d1d8; font-size: 12px; text-decoration: none; }
.fn-footer a:hover { color: var(--fn-amber); }

@media (max-width: 880px) {
  .fn-header { align-items: flex-start; flex-direction: column; gap: 13px; padding: 13px 24px; }
  .fn-nav { justify-content: flex-start; gap: 8px 20px; }
  .fn-article-layout { grid-template-columns: minmax(0,1fr); }
  .fn-aside { position: static; order: -1; }
  .fn-toc { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 620px) {
  body { font-size: 15px; }
  .fn-wrap { width: min(100% - 32px, 1180px); }
  .fn-header { padding-inline: 16px; }
  .fn-brand span { display: none; }
  .fn-nav { gap: 8px 15px; }
  .fn-nav a { font-size: 12px; }
  .fn-nav .fn-nav-cta { padding: 7px 11px; }
  .fn-hero { padding: 48px 0 36px; }
  .fn-hero h1 { font-size: clamp(3rem, 15vw, 5rem); }
  .fn-section-head { align-items: flex-start; flex-direction: column; margin-top: 40px; }
  .fn-grid, .fn-related { grid-template-columns: minmax(0,1fr); }
  .fn-grid { gap: 14px; padding-bottom: 48px; }
  .fn-card-body { padding: 19px 18px 22px; }
  .fn-index-note { grid-template-columns: minmax(0,1fr); padding: 20px; }
  .fn-article-hero { padding: 30px 0 28px; }
  .fn-breadcrumbs { margin-bottom: 25px; }
  .fn-article-hero h1 { font-size: clamp(2.65rem, 13vw, 4.5rem); }
  .fn-feature img { aspect-ratio: 4/3; border-radius: 11px; }
  .fn-article-layout { gap: 34px; padding-top: 30px; }
  .fn-toc { grid-template-columns: minmax(0,1fr); }
  .fn-prose table { min-width: 600px; }
  .fn-prose h2 { font-size: 2.35rem; }
  .fn-prose h3 { font-size: 11px; }
  .fn-callout, .fn-sources { padding: 17px; }
  .fn-related { margin-top: 36px; }
  .fn-footer-inner { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}