:root {
  color-scheme: light;
  --ink: #15130f;
  --paper: #f2ead7;
  --paper-deep: #e7dcc3;
  --signal: #f05a3e;
  --mint: #7cc8b8;
  --yellow: #f1c75b;
  --line: rgba(21, 19, 15, .2);
  --display: "Arial Narrow", "Roboto Condensed", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --page: min(1180px, calc(100vw - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--display);
}
body::before {
  position: fixed;
  z-index: 20;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.2'/%3E%3C/svg%3E");
  content: "";
  opacity: .05;
  pointer-events: none;
}
a { color: inherit; }
.skip-link {
  position: fixed;
  z-index: 100;
  top: .75rem;
  left: .75rem;
  padding: .7rem 1rem;
  background: var(--ink);
  color: var(--paper);
  font: .72rem var(--mono);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.guide-header {
  position: relative;
  z-index: 30;
  display: flex;
  width: var(--page);
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin: auto;
  border-bottom: 1px solid var(--line);
  padding: 1.15rem 0;
}
.guide-brand { display: inline-flex; align-items: center; gap: .8rem; text-decoration: none; }
.brand-badge {
  display: grid;
  width: 2.55rem;
  height: 2.55rem;
  flex: 0 0 auto;
  place-items: center;
  border: 2px solid currentColor;
  border-radius: 50%;
  background: var(--signal);
  color: var(--paper);
  font: 600 .72rem var(--mono);
  letter-spacing: -.08em;
  transform: rotate(-8deg);
}
.brand-copy { display: grid; gap: .05rem; }
.brand-copy strong { font-size: .94rem; letter-spacing: -.02em; }
.brand-copy small { font: .56rem var(--mono); letter-spacing: .08em; opacity: .64; text-transform: uppercase; }
.guide-nav { display: flex; gap: clamp(1rem, 2.5vw, 2rem); }
.guide-nav a {
  position: relative;
  font: .65rem var(--mono);
  letter-spacing: .06em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}
.guide-nav a::after {
  position: absolute;
  right: 0;
  bottom: -.4rem;
  left: 0;
  height: 2px;
  background: var(--signal);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}
.guide-nav a:hover::after, .guide-nav a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }

.guide-main { width: var(--page); margin: auto; }
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  align-items: center;
  padding: 1.2rem 0 0;
  color: #5f5749;
  font: .58rem var(--mono);
  letter-spacing: .07em;
  text-transform: uppercase;
}
.breadcrumb a { text-underline-offset: .2rem; }
.guide-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(18rem, .55fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: end;
  min-height: 36rem;
  border-bottom: 1px solid var(--line);
  padding: clamp(3.5rem, 8vw, 8rem) 0 clamp(3rem, 6vw, 5rem);
}
.eyebrow { margin: 0 0 1.2rem; color: #8d2f22; font: .68rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.guide-hero h1 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(3.7rem, 8.5vw, 8.1rem);
  font-weight: 800;
  letter-spacing: -.075em;
  line-height: .82;
  text-wrap: balance;
}
.guide-hero .lede {
  max-width: 42rem;
  margin: clamp(1.5rem, 3vw, 2.4rem) 0 0;
  color: #4f483c;
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  font-weight: 500;
  line-height: 1.55;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 2rem; }
.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: .85rem 1.1rem;
  background: var(--ink);
  color: var(--paper);
  font: .63rem var(--mono);
  letter-spacing: .05em;
  text-decoration: none;
  text-transform: uppercase;
}
.button.secondary { background: transparent; color: var(--ink); }
.signal-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: .8rem;
  padding: 1.4rem;
  background: var(--yellow);
}
.signal-card::after {
  position: absolute;
  right: -3rem;
  bottom: -4rem;
  width: 10rem;
  height: 10rem;
  border: 1px solid rgba(21,19,15,.35);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 1.5rem rgba(21,19,15,.06), 0 0 0 3rem rgba(21,19,15,.04);
}
.signal-card > * { position: relative; z-index: 1; }
.signal-card .card-label { margin: 0 0 3rem; font: .62rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.signal-card strong { display: block; max-width: 12ch; font-size: clamp(2rem, 4vw, 3.5rem); letter-spacing: -.055em; line-height: .92; }
.signal-card p { max-width: 23rem; margin: 1rem 0 0; font-size: .9rem; line-height: 1.55; }

.answer-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
}
.answer-strip > div { min-height: 8.5rem; border-right: 1px solid var(--line); padding: 1.35rem 1.35rem 1.5rem 0; }
.answer-strip > div + div { padding-left: 1.35rem; }
.answer-strip > div:last-child { border-right: 0; }
.answer-strip span { display: block; margin-bottom: 1.7rem; color: #796f60; font: .57rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.answer-strip strong { display: block; max-width: 17rem; font-size: 1.05rem; line-height: 1.25; }

.article-shell {
  display: grid;
  grid-template-columns: 16rem minmax(0, 1fr);
  gap: clamp(3rem, 8vw, 8rem);
  padding: clamp(4rem, 8vw, 8rem) 0;
}
.toc { position: sticky; top: 1.5rem; align-self: start; border-top: 1px solid var(--ink); padding-top: 1rem; }
.toc > p { margin: 0 0 1.2rem; font: .6rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.toc ol { display: grid; gap: .8rem; margin: 0; padding: 0; list-style: none; counter-reset: toc; }
.toc li { counter-increment: toc; }
.toc a { display: grid; grid-template-columns: 1.7rem 1fr; color: #544d40; font-size: .8rem; line-height: 1.35; text-decoration: none; }
.toc a::before { color: var(--signal); content: "0" counter(toc); font: .57rem var(--mono); }
.guide-article { max-width: 48rem; }
.guide-section { scroll-margin-top: 2rem; padding-bottom: clamp(3rem, 6vw, 5rem); }
.guide-section + .guide-section { border-top: 1px solid var(--line); padding-top: clamp(3rem, 6vw, 5rem); }
.guide-section h2 { max-width: 17ch; margin: 0 0 1.5rem; font-size: clamp(2.35rem, 5vw, 4.6rem); letter-spacing: -.06em; line-height: .95; text-wrap: balance; }
.guide-section h3 { margin: 2rem 0 .65rem; font-size: 1.25rem; letter-spacing: -.025em; }
.guide-section p, .guide-section li { color: #514a3e; font-size: 1rem; line-height: 1.72; }
.guide-section p { margin: 0 0 1.15rem; }
.guide-section ul, .guide-section ol { padding-left: 1.2rem; }
.guide-section a { color: #a63323; font-weight: 700; text-underline-offset: .2rem; }
.step-list { display: grid; gap: 0; margin: 2rem 0 0; padding: 0 !important; list-style: none; counter-reset: steps; }
.step-list li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding: 1.25rem 0;
  counter-increment: steps;
}
.step-list li::before { color: var(--signal); content: "0" counter(steps); font: 700 .72rem var(--mono); }
.step-list strong { display: block; margin-bottom: .25rem; color: var(--ink); font-size: 1.05rem; }
.callout {
  margin: 2rem 0;
  border-left: .45rem solid var(--signal);
  padding: 1.2rem 1.35rem;
  background: var(--paper-deep);
}
.callout strong { display: block; margin-bottom: .35rem; font: .65rem var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.callout p { margin: 0; }
.comparison { width: 100%; margin: 2rem 0; border-collapse: collapse; }
.comparison th, .comparison td { border-bottom: 1px solid var(--line); padding: .85rem .7rem; text-align: left; vertical-align: top; }
.comparison th { font: .6rem var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.comparison td { color: #514a3e; font-size: .9rem; line-height: 1.45; }
.faq-stack details { border-top: 1px solid var(--line); }
.faq-stack details:last-child { border-bottom: 1px solid var(--line); }
.faq-stack summary { padding: 1.2rem 0; cursor: pointer; font-weight: 700; list-style: none; }
.faq-stack summary::-webkit-details-marker { display: none; }
.faq-stack p { margin: -.25rem 0 1.25rem; }

.related {
  margin-bottom: clamp(4rem, 8vw, 7rem);
  border: 1px solid var(--ink);
  border-radius: .9rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: var(--ink);
  color: var(--paper);
}
.related-head { display: flex; justify-content: space-between; gap: 2rem; align-items: end; margin-bottom: 2rem; }
.related-head p { margin: 0; font: .62rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.related-head h2 { max-width: 14ch; margin: .8rem 0 0; font-size: clamp(2rem, 4vw, 3.8rem); letter-spacing: -.055em; line-height: .95; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(242,234,215,.22); }
.related-grid a { position: relative; min-height: 12rem; border-right: 1px solid rgba(242,234,215,.22); padding: 1.2rem; text-decoration: none; }
.related-grid a:last-child { border-right: 0; }
.related-grid span { display: block; color: var(--mint); font: .58rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.related-grid strong { display: block; max-width: 13ch; margin-top: 2.8rem; font-size: 1.45rem; letter-spacing: -.035em; line-height: 1.05; }
.related-grid a::after { position: absolute; right: 1.2rem; bottom: 1.2rem; color: var(--signal); content: "↗"; font-size: 1.2rem; }

.guide-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  padding: 3rem max(20px, calc((100vw - 1180px)/2));
  background: var(--ink);
  color: var(--paper);
}
.guide-footer nav { display: flex; flex-wrap: wrap; gap: .75rem 1.4rem; }
.guide-footer a { font: .58rem var(--mono); letter-spacing: .05em; text-transform: uppercase; }
.guide-footer p { max-width: 38rem; margin: 1.2rem 0 0; color: #bdb4a2; font: .58rem/1.6 var(--mono); }
.footer-cta { align-self: center; justify-self: end; }

@media (max-width: 900px) {
  .guide-header { align-items: flex-start; flex-direction: column; }
  .guide-nav { width: 100%; overflow-x: auto; padding-bottom: .35rem; }
  .guide-hero { grid-template-columns: 1fr; min-height: 0; }
  .signal-card { max-width: 34rem; }
  .article-shell { grid-template-columns: 1fr; }
  .toc { position: static; }
  .toc ol { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  :root { --page: calc(100vw - 28px); }
  .brand-copy small { display: none; }
  .guide-nav { gap: 1.15rem; }
  .guide-hero { padding-top: 3.4rem; }
  .guide-hero h1 { font-size: clamp(3.45rem, 17vw, 5.5rem); }
  .answer-strip { grid-template-columns: 1fr; }
  .answer-strip > div, .answer-strip > div + div { min-height: 0; border-right: 0; padding: 1.15rem 0; }
  .answer-strip > div + div { border-top: 1px solid var(--line); }
  .answer-strip span { margin-bottom: .5rem; }
  .toc ol { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .related-grid a { min-height: 9rem; border-right: 0; border-bottom: 1px solid rgba(242,234,215,.22); }
  .related-grid a:last-child { border-bottom: 0; }
  .related-grid strong { margin-top: 1.8rem; }
  .guide-footer { grid-template-columns: 1fr; }
  .footer-cta { justify-self: start; }
  .comparison { display: block; overflow-x: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}