:root {
  --paper: #f3efe7;
  --paper-bright: #fffdf8;
  --ink: #0b0b0b;
  --ink-soft: #171717;
  --orange: #ff5a36;
  --orange-deep: #e84321;
  --muted: #68645e;
  --line: rgba(11, 11, 11, 0.18);
  --display: Arial, "Helvetica Neue", Helvetica, sans-serif;
  --mono: "DejaVu Sans Mono", "SFMono-Regular", Consolas, monospace;
  --shell: 1240px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; background: var(--ink); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--display); line-height: 1.55; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
::selection { color: var(--paper-bright); background: var(--ink); }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }

.skip-link { position: fixed; z-index: 1000; top: 10px; left: 10px; padding: 10px 14px; color: white; background: black; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.content-shell { width: min(calc(100% - 64px), var(--shell)); margin-inline: auto; }

.content-header {
  position: fixed;
  z-index: 100;
  top: 14px;
  left: 50%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(calc(100% - 32px), 1240px);
  min-height: 64px;
  padding: 8px 10px 8px 19px;
  background: rgba(255,253,248,.9);
  border: 1px solid var(--line);
  border-radius: 19px;
  box-shadow: 0 10px 38px rgba(11,11,11,.08);
  backdrop-filter: blur(18px);
  transform: translateX(-50%);
}

.wordmark { display: inline-flex; align-items: center; gap: 10px; width: fit-content; font: 800 11px var(--mono); text-transform: uppercase; }
.signal-mark { display: grid; grid-template-columns: repeat(3,4px); align-items: end; gap: 3px; width: 18px; height: 18px; }
.signal-mark i { display: block; background: var(--orange); }
.signal-mark i:nth-child(1) { height: 7px; }
.signal-mark i:nth-child(2) { height: 17px; }
.signal-mark i:nth-child(3) { height: 11px; }
.content-nav { display: flex; gap: 26px; font-size: 12px; font-weight: 800; }
.content-nav a:hover { color: var(--orange-deep); }

.content-button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 48px; padding: 0 20px; color: var(--paper-bright); background: var(--ink); border: 2px solid var(--ink); border-radius: 999px; font-size: 12px; font-weight: 900; }
.content-button:hover { color: var(--paper-bright); background: var(--orange-deep); }
.content-header > .content-button { justify-self: end; }
.content-button--orange { color: var(--paper-bright); background: var(--orange); box-shadow: 5px 5px 0 var(--ink); }

.content-hero { position: relative; overflow: hidden; padding: 158px 0 88px; border-bottom: 1px solid var(--line); }
.content-hero::after { content: ""; position: absolute; z-index: 0; top: 0; right: 0; width: min(42vw,600px); height: 100%; opacity: .11; background-image: linear-gradient(90deg,var(--ink) 1px,transparent 1px),linear-gradient(var(--ink) 1px,transparent 1px); background-size: 18px 18px; mask-image: linear-gradient(125deg,transparent 12%,#000 55%,transparent 95%); }
.content-hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0,1.35fr) minmax(280px,.65fr); gap: 70px; align-items: end; }
.content-kicker { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 27px; font: 800 10px var(--mono); letter-spacing: .09em; }
.content-kicker i { width: 8px; height: 8px; background: var(--orange); border-radius: 50%; box-shadow: 0 0 0 4px rgba(255,90,54,.14); }
.content-hero h1 { max-width: 900px; margin: 0; font-size: clamp(60px,7.3vw,108px); font-weight: 900; line-height: .86; letter-spacing: -.072em; }
.content-hero h1 em { color: var(--orange); font-style: normal; }
.content-hero__lead { margin: 0 0 22px; font-size: 19px; line-height: 1.48; }
.content-meta { color: var(--muted); font: 700 9px var(--mono); letter-spacing: .06em; }

.answer-card { position: relative; padding: 25px; background: var(--paper-bright); border: 2px solid var(--ink); border-radius: 20px; box-shadow: 9px 9px 0 var(--orange); }
.answer-card > span { color: var(--orange-deep); font: 800 8px var(--mono); letter-spacing: .08em; }
.answer-card strong { display: block; margin: 10px 0 13px; font-size: 25px; line-height: 1.05; letter-spacing: -.035em; }
.answer-card p { margin: 0; color: var(--muted); font-size: 13px; }

.content-layout { display: grid; grid-template-columns: minmax(0,1fr) 285px; gap: 76px; align-items: start; padding: 82px 0 105px; }
.article { min-width: 0; }
.article-section { padding: 0 0 74px; margin: 0 0 74px; border-bottom: 1px solid var(--line); }
.article-section:last-child { margin-bottom: 0; border-bottom: 0; }
.section-label { display: block; margin-bottom: 15px; color: var(--orange-deep); font: 800 9px var(--mono); letter-spacing: .09em; }
.article h2 { max-width: 800px; margin: 0 0 26px; font-size: clamp(38px,4.7vw,64px); line-height: .93; letter-spacing: -.058em; }
.article h3 { margin: 33px 0 11px; font-size: 23px; line-height: 1.1; letter-spacing: -.035em; }
.article p, .article li { color: #34312d; font-size: 17px; }
.article p { max-width: 790px; margin: 0 0 20px; }
.article ul, .article ol { max-width: 790px; margin: 22px 0; padding-left: 23px; }
.article li { margin: 10px 0; padding-left: 6px; }
.article a:not(.content-button) { color: var(--orange-deep); font-weight: 800; text-decoration: underline; text-underline-offset: 3px; }

.definition-card { margin: 30px 0; padding: 25px 27px; color: var(--paper-bright); background: var(--ink); border-radius: 17px; box-shadow: 8px 8px 0 var(--orange); }
.definition-card span { color: var(--orange); font: 800 8px var(--mono); letter-spacing: .09em; }
.definition-card p { margin: 10px 0 0; color: var(--paper-bright); font-size: 20px; font-weight: 800; line-height: 1.35; }

.process-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; margin: 30px 0; }
.process-card { min-height: 172px; padding: 21px; background: var(--paper-bright); border: 1px solid var(--line); border-radius: 15px; }
.process-card b { display: grid; place-items: center; width: 30px; height: 30px; margin-bottom: 28px; color: var(--paper-bright); background: var(--ink); border-radius: 7px; font: 800 8px var(--mono); }
.process-card strong { display: block; margin-bottom: 6px; font-size: 18px; }
.process-card p { margin: 0; color: var(--muted); font-size: 13px; }

.comparison-table { width: 100%; margin: 30px 0; border-collapse: separate; border-spacing: 0; overflow: hidden; background: var(--paper-bright); border: 1px solid var(--line); border-radius: 15px; }
.comparison-table th, .comparison-table td { padding: 16px 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.comparison-table th:last-child, .comparison-table td:last-child { border-right: 0; }
.comparison-table tr:last-child td { border-bottom: 0; }
.comparison-table th { color: var(--paper-bright); background: var(--ink); font: 800 9px var(--mono); letter-spacing: .06em; }
.comparison-table td { color: #34312d; font-size: 14px; }
.comparison-table td:last-child { font-weight: 800; }

.checklist { display: grid; gap: 8px; margin: 28px 0; padding: 0; list-style: none; }
.checklist li { display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: start; margin: 0; padding: 15px 17px; background: var(--paper-bright); border: 1px solid var(--line); border-radius: 11px; }
.checklist li::before { content: "✓"; display: grid; place-items: center; width: 26px; height: 26px; color: #176d45; background: #dff4e9; border-radius: 50%; font-size: 11px; font-weight: 900; }
.checklist strong { display: block; color: var(--ink); font-size: 15px; }
.checklist small { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; }

.callout { margin: 28px 0; padding: 24px 26px; background: #ffe1d7; border: 1px solid #ffc2b0; border-radius: 15px; }
.callout strong { display: block; margin-bottom: 6px; font-size: 18px; }
.callout p { margin: 0; font-size: 14px; }

.toc { position: sticky; top: 104px; padding: 21px; background: var(--paper-bright); border: 1px solid var(--line); border-radius: 15px; }
.toc > span { font: 800 8px var(--mono); letter-spacing: .08em; }
.toc nav { display: grid; gap: 10px; margin: 18px 0 23px; }
.toc nav a { padding-bottom: 10px; color: var(--muted); border-bottom: 1px solid var(--line); font-size: 12px; font-weight: 800; }
.toc nav a:hover { color: var(--orange-deep); }
.toc__note { padding: 13px; color: var(--paper-bright); background: var(--ink); border-radius: 9px; }
.toc__note strong { display: block; color: var(--orange); font: 800 8px var(--mono); }
.toc__note p { margin: 5px 0 0; color: #aaa59d; font-size: 10px; }

.faq { display: grid; gap: 9px; margin-top: 28px; }
.faq details { padding: 18px 20px; background: var(--paper-bright); border: 1px solid var(--line); border-radius: 12px; }
.faq summary { cursor: pointer; font-size: 16px; font-weight: 900; }
.faq details p { margin: 13px 0 0; font-size: 14px; }

.content-cta { padding: 88px 0; color: var(--paper-bright); background: var(--ink); }
.content-cta__grid { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: end; }
.content-cta span { color: var(--orange); font: 800 9px var(--mono); letter-spacing: .09em; }
.content-cta h2 { max-width: 900px; margin: 17px 0 0; font-size: clamp(48px,6vw,82px); line-height: .9; letter-spacing: -.06em; }
.content-cta h2 em { color: var(--orange); font-style: normal; }

.content-footer { color: var(--paper-bright); background: var(--ink); border-top: 1px solid rgba(255,255,255,.14); }
.content-footer__top, .content-footer__bottom { display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.content-footer__top { min-height: 84px; border-bottom: 1px solid rgba(255,255,255,.12); }
.content-footer__links { display: flex; flex-wrap: wrap; gap: 22px; color: #aaa59d; font-size: 11px; font-weight: 800; }
.content-footer__links a:hover { color: var(--orange); }
.content-footer__bottom { min-height: 55px; color: #77736d; font: 7px var(--mono); }

@media (max-width: 900px) {
  .content-header { grid-template-columns: 1fr auto; }
  .content-nav { display: none; }
  .content-hero__grid, .content-layout, .content-cta__grid { grid-template-columns: 1fr; }
  .content-hero__grid { gap: 46px; }
  .content-layout { gap: 40px; }
  .toc { position: static; grid-row: 1; }
}

@media (max-width: 620px) {
  .content-shell { width: min(calc(100% - 28px),var(--shell)); }
  .content-header { top: 8px; width: calc(100% - 16px); min-height: 56px; padding: 6px 7px 6px 13px; border-radius: 15px; }
  .content-header .wordmark > span:last-child { display: none; }
  .content-header .content-button { min-height: 40px; padding: 0 14px; font-size: 10px; }
  .content-hero { padding: 112px 0 70px; }
  .content-hero h1 { font-size: clamp(52px,16vw,76px); }
  .content-hero__lead { font-size: 17px; }
  .answer-card { padding: 21px; box-shadow: 6px 6px 0 var(--orange); }
  .content-layout { padding: 64px 0 78px; }
  .article-section { padding-bottom: 52px; margin-bottom: 52px; }
  .article h2 { font-size: clamp(40px,13vw,58px); }
  .article p, .article li { font-size: 16px; }
  .process-grid { grid-template-columns: 1fr; }
  .process-card { min-height: 145px; }
  .comparison-table { display: block; overflow-x: auto; }
  .comparison-table th, .comparison-table td { min-width: 180px; }
  .content-cta { padding: 72px 0; }
  .content-footer__top, .content-footer__bottom { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 20px; }
  .content-footer__bottom { line-height: 1.6; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}