/* Practical guide pages use the same editorial system as the product page. */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
h1, h2, h3 { text-wrap: balance; }
p, li, figcaption { text-wrap: pretty; }
.wrap { width: min(100% - 48px, 1120px); margin-inline: auto; }

header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 13px 0;
  border-bottom: 1px solid var(--ink);
  background: rgba(255, 255, 255, .97);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-home {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}
.brand-home svg { width: 26px; height: 26px; }
.navlinks { display: flex; gap: 22px; margin-left: auto; }
.navlinks a {
  color: var(--sub);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}
.navlinks a:hover, .navlinks a[aria-current="page"] { color: var(--blue); }
.navcta { margin-left: 10px; }

.guide-hero {
  padding: 86px 0 70px;
  border-bottom: 1px solid var(--ink);
}
.eyebrow {
  margin: 0 0 20px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .1em;
}
.guide-hero h1 {
  max-width: 1000px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(48px, 7.5vw, 92px);
  font-weight: 600;
  letter-spacing: -.045em;
  line-height: 1.03;
}
.guide-dek {
  max-width: 820px;
  margin: 30px 0 0;
  color: var(--sub);
  font-size: clamp(18px, 2.2vw, 23px);
}

.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) 240px;
  gap: 90px;
  align-items: start;
  padding: 72px 0 92px;
}
.guide-body > p:first-child { margin-top: 0; font-size: 20px; }
.guide-body h2 {
  margin: 72px 0 18px;
  font-family: var(--display);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 600;
  letter-spacing: -.035em;
  line-height: 1.1;
}
.guide-body h3 { margin: 34px 0 8px; font-size: 21px; line-height: 1.35; }
.guide-body p { margin: 0 0 20px; }
.guide-body ul { margin: 0 0 24px; padding-left: 24px; }
.guide-body li + li { margin-top: 8px; }
.guide-body a { color: var(--blue); text-underline-offset: 3px; }

.steps { margin: 30px 0; border-top: 1px solid var(--ink); }
.guide-step {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 18px;
  padding: 25px 0;
  border-bottom: 1px solid var(--line);
}
.step-number { font-family: var(--mono); font-size: 13px; font-weight: 800; color: var(--blue); }
.guide-step h3 { margin: 0 0 7px; }
.guide-step p { margin: 0; color: var(--sub); }

.check-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin: 28px 0;
}
.check-card { padding: 24px; border: 1px solid var(--ink); }
.check-card h3 { margin-top: 0; }
.check-card ul { margin-bottom: 0; }

.guide-figure { margin: 34px 0; border: 1px solid var(--ink); }
.guide-figure img, .guide-figure video { display: block; width: 100%; height: auto; }
.guide-figure figcaption {
  padding: 13px 16px;
  border-top: 1px solid var(--line);
  color: var(--sub);
  font-size: 13px;
}
.guide-note {
  margin: 30px 0;
  padding: 20px 24px;
  border-left: 4px solid var(--blue);
  background: #f4f4f4;
}
.guide-note p:last-child { margin-bottom: 0; }

.guide-aside { position: sticky; top: 92px; }
.guide-aside p {
  margin: 0 0 15px;
  color: var(--sub);
  font-size: 14px;
}
.guide-aside strong { color: var(--ink); }
.guide-aside .cta { display: block; margin-bottom: 14px; text-align: center; }
.aside-link { font-size: 13px; }

.guide-cta {
  padding: 70px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  text-align: center;
}
.guide-cta h2 {
  margin: 0 0 14px;
  font-family: var(--display);
  font-size: clamp(38px, 5vw, 60px);
  font-weight: 600;
  letter-spacing: -.035em;
}
.guide-cta p { margin: 0 0 24px; color: var(--sub); }
.cta-row { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.cta.purchase-cta { background: var(--bg); color: var(--ink); }
.cta.purchase-cta:hover { background: var(--blue); color: #fff; }

footer { padding: 40px 0 56px; color: var(--sub); font-size: 13px; }
footer a { text-underline-offset: 3px; }

@media (max-width: 860px) {
  .navlinks { display: none; }
  .navcta { margin-left: auto; }
  .guide-layout { grid-template-columns: 1fr; gap: 50px; }
  .guide-aside { position: static; padding-top: 35px; border-top: 1px solid var(--ink); }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .wrap { width: min(100% - 36px, 1120px); }
  .guide-hero { padding: 58px 0 48px; }
  .guide-layout { padding: 50px 0 68px; }
  .check-grid { grid-template-columns: 1fr; }
  .navcta { padding: 7px 10px; }
}