:root {
  color-scheme: dark;
  --night: #080a10;
  --deep: #0b0d16;
  --indigo: #141830;
  --violet: #221c3a;
  --ember: #f5a035;
  --ember-hot: #ffc879;
  --ember-deep: #c4611a;
  --rose: #d4667e;
  --tx: rgba(255, 250, 242, 0.95);
  --tx-mute: rgba(255, 247, 235, 0.64);
  --tx-faint: rgba(255, 247, 235, 0.5);
  --line: rgba(255, 238, 214, 0.1);
  --line-warm: rgba(245, 160, 53, 0.24);
  --surface: rgba(255, 250, 242, 0.045);
  --surface-strong: rgba(255, 250, 242, 0.075);
  --serif: "Instrument Serif", ui-serif, Georgia, "Times New Roman", serif;
  --sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --content: 1180px;
  --dusk: 0.5;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
  background: var(--night);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--tx);
  background:
    radial-gradient(120% 70% at 78% -10%, rgba(34, 28, 58, 0.68), transparent 58%),
    radial-gradient(85% 55% at 10% 44%, rgba(20, 24, 48, 0.55), transparent 65%),
    var(--night);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0 auto 0 clamp(18px, 4vw, 68px);
  z-index: -1;
  width: 1px;
  content: "";
  background: linear-gradient(transparent, var(--line-warm) 18%, var(--line) 78%, transparent);
  pointer-events: none;
}

::selection {
  color: var(--tx);
  background: rgba(245, 160, 53, 0.28);
}

a {
  color: inherit;
  text-decoration-color: var(--line-warm);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-color: var(--ember);
}

a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--ember-hot);
  outline-offset: 4px;
  border-radius: 3px;
}

img {
  display: block;
  max-width: 100%;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Landing-page atmosphere for informational pages. */
.info-page {
  background: var(--night);
  isolation: isolate;
  overflow-x: hidden;
}

.info-page::before {
  display: none;
}

.info-page .sky,
.info-page .stars,
.info-page .stars2,
.info-page .embers,
.info-page .dusk,
.info-page .grain {
  position: fixed;
  pointer-events: none;
}

.info-page .sky {
  inset: 0;
  z-index: -4;
  background:
    radial-gradient(150% 95% at 50% 120%, rgba(245, 160, 53, 0.3), rgba(196, 97, 26, 0.08) 30%, transparent 56%),
    radial-gradient(80% 50% at 50% 118%, rgba(212, 102, 126, 0.14), transparent 60%),
    radial-gradient(130% 75% at 50% -18%, rgba(34, 28, 58, 0.55), transparent 55%),
    linear-gradient(180deg, var(--night) 0%, var(--deep) 50%, var(--indigo) 100%);
}

.info-page .dusk {
  inset: 0;
  z-index: -2;
  background: radial-gradient(125% 88% at 50% 38%, transparent 40%, rgba(4, 5, 10, 0.9) 100%);
  opacity: calc(0.35 + var(--dusk) * 0.5);
}

.info-page .grain {
  inset: 0;
  z-index: -1;
  opacity: 0.05;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

.info-page .stars,
.info-page .stars2,
.info-page .embers {
  top: 0;
  left: 0;
  z-index: -3;
  background-repeat: repeat;
  will-change: transform;
}

.info-page .stars {
  width: calc(100% + 240px);
  height: calc(100% + 480px);
  opacity: 0.55;
  background-size: 240px 240px;
  background-image:
    radial-gradient(1px 1px at 30px 50px, rgba(255, 249, 240, 0.55), transparent 60%),
    radial-gradient(1px 1px at 190px 30px, rgba(255, 249, 240, 0.4), transparent 60%),
    radial-gradient(1px 1px at 110px 150px, rgba(255, 249, 240, 0.5), transparent 60%),
    radial-gradient(1px 1px at 220px 200px, rgba(255, 249, 240, 0.35), transparent 60%),
    radial-gradient(1px 1px at 60px 210px, rgba(255, 249, 240, 0.55), transparent 60%),
    radial-gradient(1px 1px at 160px 95px, rgba(255, 249, 240, 0.4), transparent 60%);
}

.info-page .stars2 {
  width: calc(100% + 360px);
  height: calc(100% + 720px);
  opacity: 0.7;
  background-size: 360px 360px;
  background-image:
    radial-gradient(1.5px 1.5px at 80px 90px, rgba(255, 255, 250, 0.8), transparent 55%),
    radial-gradient(2px 2px at 300px 60px, rgba(255, 232, 198, 0.7), transparent 55%),
    radial-gradient(1.5px 1.5px at 200px 250px, rgba(255, 255, 250, 0.65), transparent 55%),
    radial-gradient(1.5px 1.5px at 340px 320px, rgba(255, 255, 250, 0.6), transparent 55%),
    radial-gradient(2px 2px at 50px 300px, rgba(255, 226, 184, 0.6), transparent 55%);
}

.info-page .embers {
  width: 100%;
  height: calc(100% + 600px);
  opacity: 0.72;
  background-size: 300px 300px;
  background-image:
    radial-gradient(2.5px 2.5px at 70px 240px, rgba(255, 190, 110, 0.85), transparent 62%),
    radial-gradient(2px 2px at 210px 180px, rgba(255, 170, 90, 0.7), transparent 62%),
    radial-gradient(2px 2px at 150px 300px, rgba(255, 205, 140, 0.58), transparent 62%);
}

@media (prefers-reduced-motion: no-preference) {
  .info-page .stars {
    animation: info-drift-far 240s linear infinite, info-twinkle-far 7s ease-in-out infinite alternate;
  }

  .info-page .stars2 {
    animation: info-drift-near 165s linear infinite, info-twinkle-near 9s ease-in-out infinite alternate;
  }

  .info-page .embers {
    animation: info-rise-embers 42s linear infinite, info-twinkle-embers 5.5s ease-in-out infinite alternate;
  }
}

@keyframes info-drift-far {
  to { transform: translate3d(-240px, -240px, 0); }
}

@keyframes info-drift-near {
  to { transform: translate3d(-360px, -360px, 0); }
}

@keyframes info-rise-embers {
  to { transform: translate3d(0, -300px, 0); }
}

@keyframes info-twinkle-far {
  from { opacity: 0.42; }
  to { opacity: 0.62; }
}

@keyframes info-twinkle-near {
  from { opacity: 0.55; }
  to { opacity: 0.82; }
}

@keyframes info-twinkle-embers {
  from { opacity: 0.45; }
  to { opacity: 0.9; }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 10, 16, 0.82);
  backdrop-filter: blur(18px) saturate(125%);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(var(--content), calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--tx);
  font-weight: 650;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand img {
  width: 25px;
  height: 25px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(15px, 2.3vw, 28px);
  color: var(--tx-mute);
  font-size: 14px;
}

.site-nav a {
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--tx);
}

.site-nav .nav-buy {
  padding: 8px 14px;
  border: 1px solid var(--line-warm);
  border-radius: 999px;
  color: var(--ember-hot);
}

.guide-main {
  overflow: hidden;
}

.guide-hero {
  width: min(var(--content), calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(72px, 10vw, 142px) 0 clamp(52px, 7vw, 92px);
}

.breadcrumbs {
  margin: 0 0 34px;
  color: var(--tx-faint);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.breadcrumbs a {
  color: var(--tx-mute);
  text-decoration: none;
}

.guide-hero__copy {
  display: grid;
  grid-template-columns: minmax(0, 820px) minmax(180px, 1fr);
  align-items: end;
  gap: clamp(36px, 8vw, 116px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--ember-hot);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 26px;
  height: 1px;
  content: "";
  background: var(--ember);
}

.guide-hero h1 {
  max-width: 16ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(50px, 7.2vw, 96px);
  font-weight: 400;
  line-height: 0.96;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.guide-hero h1 em {
  color: var(--ember-hot);
  font-weight: 400;
}

.guide-meta {
  padding: 0 0 10px 20px;
  border-left: 1px solid var(--line-warm);
  color: var(--tx-faint);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.8;
}

.guide-meta strong {
  display: block;
  margin-bottom: 4px;
  color: var(--tx-mute);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
}

.guide-dek {
  max-width: 710px;
  margin: clamp(32px, 4vw, 52px) 0 0;
  color: var(--tx-mute);
  font-size: clamp(20px, 2.2vw, 27px);
  line-height: 1.45;
  letter-spacing: -0.018em;
}

.truth-line {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  max-width: 710px;
  margin: 24px 0 0;
  color: var(--tx-mute);
  font-size: 14px;
}

.truth-line::before {
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-top: 0.68em;
  border-radius: 50%;
  content: "";
  background: var(--ember);
  box-shadow: 0 0 18px rgba(245, 160, 53, 0.5);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.button--primary {
  color: var(--night);
  background: var(--ember);
}

.button--primary:hover {
  background: var(--ember-hot);
}

.button--quiet {
  border-color: var(--line);
  color: var(--tx-mute);
  background: var(--surface);
}

.button--quiet:hover {
  border-color: var(--line-warm);
  color: var(--tx);
}

.product-figure {
  width: min(1340px, calc(100% - 24px));
  margin: 0 auto clamp(76px, 10vw, 148px);
}

.product-figure__frame {
  padding: clamp(5px, 0.8vw, 10px);
  border: 1px solid var(--line-warm);
  border-radius: clamp(14px, 2vw, 24px);
  background: rgba(255, 250, 242, 0.035);
  box-shadow: 0 34px 110px rgba(0, 0, 0, 0.38);
}

.product-figure img {
  width: 100%;
  height: auto;
  border-radius: clamp(9px, 1.5vw, 16px);
}

.product-figure figcaption {
  display: grid;
  grid-template-columns: auto minmax(0, 680px);
  justify-content: end;
  gap: 18px;
  margin: 18px 10px 0;
  color: var(--tx-faint);
  font-size: 13px;
}

.product-figure figcaption strong {
  color: var(--ember-hot);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) 230px;
  justify-content: space-between;
  width: min(1040px, calc(100% - 40px));
  margin: 0 auto;
  gap: 80px;
}

.article-body {
  min-width: 0;
}

.article-body section {
  margin-bottom: clamp(72px, 9vw, 120px);
}

.article-body h2 {
  margin: 0 0 24px;
  font-family: var(--serif);
  font-size: clamp(38px, 4.7vw, 58px);
  font-weight: 400;
  line-height: 1.03;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.article-body h3 {
  margin: 32px 0 10px;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: -0.015em;
}

.article-body p {
  margin: 0 0 20px;
  color: var(--tx-mute);
}

.article-body strong {
  color: var(--tx);
  font-weight: 600;
}

.short-answer {
  position: relative;
  margin-bottom: clamp(78px, 10vw, 130px);
  padding: 36px 0 36px clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.short-answer::before {
  position: absolute;
  inset: 36px auto 36px 0;
  width: 2px;
  content: "";
  background: var(--ember);
}

.short-answer .label {
  display: block;
  margin-bottom: 12px;
  color: var(--ember-hot);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.short-answer p {
  max-width: 32ch;
  margin: 0;
  color: var(--tx);
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.guide-toc {
  align-self: start;
  position: sticky;
  top: 112px;
  padding-top: 6px;
}

.guide-toc p {
  margin: 0 0 16px;
  color: var(--tx-faint);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.guide-toc a {
  display: block;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  color: var(--tx-mute);
  font-size: 13px;
  text-decoration: none;
}

.guide-toc a:hover {
  color: var(--tx);
}

.steps {
  margin-top: 34px;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.step {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 22px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.step__number {
  color: var(--tx-faint);
  font-family: var(--serif);
  font-size: 46px;
  font-variant-numeric: oldstyle-nums;
  line-height: 1;
}

.step h3 {
  margin: 2px 0 7px;
  color: var(--tx);
  font-size: 18px;
}

.step p {
  margin: 0;
  font-size: 15px;
}

.use-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 34px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.use-list li {
  min-height: 122px;
  padding: 22px 24px 22px 0;
  border-bottom: 1px solid var(--line);
  color: var(--tx-mute);
}

.use-list li:nth-child(odd) {
  padding-right: 28px;
  border-right: 1px solid var(--line);
}

.use-list li:nth-child(even) {
  padding-left: 28px;
}

.use-list strong {
  display: block;
  margin-bottom: 5px;
}

.note {
  margin: 34px 0;
  padding: 24px 26px;
  border: 1px solid var(--line-warm);
  border-radius: 8px;
  background: rgba(245, 160, 53, 0.045);
}

.note p:last-child {
  margin-bottom: 0;
}

.note__label {
  margin-bottom: 7px !important;
  color: var(--ember-hot) !important;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.comparison {
  width: 100%;
  margin-top: 34px;
  border-collapse: collapse;
  font-size: 14px;
}

.comparison th,
.comparison td {
  padding: 17px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.comparison th {
  color: var(--tx-faint);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.comparison td {
  color: var(--tx-mute);
}

.comparison td:first-child {
  color: var(--tx);
  font-weight: 600;
}

.facts-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 30px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--tx-faint);
  font-family: var(--mono);
  font-size: 11px;
}

.faq-list {
  margin-top: 26px;
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  color: var(--tx);
  font-weight: 560;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  color: var(--ember);
  content: "+";
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 400;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 64ch;
  padding: 0 42px 22px 0;
  font-size: 15px;
}

.closing-cta {
  width: min(var(--content), calc(100% - 40px));
  margin: clamp(30px, 7vw, 90px) auto 0;
  padding: clamp(68px, 9vw, 118px) 0;
  border-top: 1px solid var(--line-warm);
  text-align: center;
}

.closing-cta h2 {
  max-width: 18ch;
  margin: 0 auto 18px;
  font-family: var(--serif);
  font-size: clamp(44px, 6vw, 76px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.closing-cta p {
  max-width: 52ch;
  margin: 0 auto 28px;
  color: var(--tx-mute);
}

.related-guide {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  width: min(1040px, calc(100% - 40px));
  margin: 0 auto;
  padding: 40px 0;
  border-top: 1px solid var(--line);
  gap: 32px;
}

.related-guide .label {
  display: block;
  margin-bottom: 8px;
  color: var(--tx-faint);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.related-guide a {
  max-width: 24ch;
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.1;
  text-decoration: none;
}

.related-guide a:hover {
  color: var(--ember-hot);
}

.site-nav [aria-current="page"],
.footer-nav [aria-current="page"] {
  color: var(--tx);
}

.guides-main {
  overflow: hidden;
}

.library-hero,
.guide-library,
.library-links {
  width: min(var(--content), calc(100% - 40px));
  margin-inline: auto;
}

.library-hero {
  padding: clamp(78px, 11vw, 150px) 0 clamp(64px, 9vw, 116px);
  border-bottom: 1px solid var(--line-warm);
}

.library-hero h1 {
  max-width: 13ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(54px, 8vw, 104px);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.library-hero h1 em {
  color: var(--ember-hot);
  font-weight: 400;
}

.library-hero > p:last-child {
  max-width: 62ch;
  margin: clamp(30px, 4vw, 48px) 0 0;
  color: var(--tx-mute);
  font-size: clamp(20px, 2.2vw, 27px);
  line-height: 1.45;
}

.guide-library {
  padding: clamp(76px, 10vw, 132px) 0;
}

.guide-library__header {
  margin-bottom: 42px;
}

.guide-library__header h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.035em;
}

.guide-library__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.guide-card {
  min-width: 0;
  padding: clamp(30px, 4vw, 48px) 0;
}

.guide-card:nth-child(odd) {
  padding-right: clamp(24px, 4vw, 52px);
  border-right: 1px solid var(--line);
}

.guide-card:nth-child(even) {
  padding-left: clamp(24px, 4vw, 52px);
}

.guide-card__image {
  margin: 0 0 28px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
}

.guide-card__image img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  border-radius: 9px;
  object-fit: cover;
}

.guide-card__topic,
.guide-card__meta {
  color: var(--tx-faint);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.guide-card__topic {
  margin: 0 0 12px;
  color: var(--ember-hot);
  text-transform: uppercase;
}

.guide-card h2 {
  max-width: 19ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(31px, 3.5vw, 44px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.guide-card h2 a {
  text-decoration: none;
}

.guide-card h2 a:hover {
  color: var(--ember-hot);
}

.guide-card__body > p:not(.guide-card__topic, .guide-card__meta) {
  max-width: 46ch;
  margin: 18px 0 0;
  color: var(--tx-mute);
}

.guide-card__meta {
  margin: 24px 0 0;
}

.library-links {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 0 clamp(72px, 9vw, 116px);
  border-top: 1px solid var(--line);
  color: var(--tx-mute);
  font-size: 14px;
}

.library-links p {
  margin: 0;
}

.library-links strong {
  color: var(--tx);
}

.info-main {
  width: min(820px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(72px, 10vw, 132px) 0 clamp(76px, 10vw, 128px);
}

.info-hero {
  padding-bottom: clamp(42px, 6vw, 66px);
  border-bottom: 1px solid var(--line-warm);
}

.info-hero h1 {
  margin: 0;
  color: var(--tx);
  font-family: var(--serif);
  font-size: clamp(54px, 9vw, 82px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.98;
  text-wrap: balance;
}

.info-hero p {
  max-width: 60ch;
  margin: 20px 0 0;
  color: var(--tx-mute);
  font-size: clamp(18px, 2.2vw, 21px);
  line-height: 1.55;
  text-wrap: pretty;
}

.info-hero .info-meta {
  color: var(--tx-faint);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.info-section {
  padding: clamp(34px, 5vw, 50px) 0;
  border-bottom: 1px solid var(--line);
}

.info-section:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.info-section h2 {
  margin: 0 0 18px;
  color: var(--tx);
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-wrap: balance;
}

.info-section p,
.info-section ol {
  max-width: 70ch;
  color: var(--tx-mute);
  font-size: 16px;
}

.info-section p {
  margin: 0;
}

.info-section p + p {
  margin-top: 18px;
}

.info-section strong {
  color: var(--tx);
}

.info-section a {
  color: var(--ember-hot);
}

.support-topic {
  padding: 28px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 104px;
}

.support-topic:first-of-type {
  margin-top: 28px;
}

.support-topic:last-child {
  padding-bottom: 0;
}

.support-topic h3 {
  margin: 0 0 8px;
  color: var(--tx);
  font-size: 17px;
  font-weight: 600;
}

.support-topic p + p,
.support-topic ol + p,
.support-topic p + ol {
  margin-top: 18px;
}

.support-topic ol {
  margin-bottom: 0;
  padding-left: 24px;
}

.support-topic li + li {
  margin-top: 8px;
}

.support-topic figure {
  margin: 28px 0;
}

.support-topic figure img {
  width: 100%;
  max-width: 608px;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.support-topic figcaption {
  max-width: 608px;
  margin-top: 8px;
  color: var(--tx-faint);
  font-family: var(--mono);
  font-size: 11px;
  text-align: center;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--tx-faint);
  font-size: 12px;
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(var(--content), calc(100% - 40px));
  min-height: 92px;
  margin: 0 auto;
  gap: 24px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-nav a {
  color: var(--tx-mute);
  text-decoration: none;
}

@media (max-width: 900px) {
  .info-main {
    width: min(680px, calc(100% - 40px));
  }

  .guide-hero__copy {
    grid-template-columns: 1fr;
  }

  .guide-meta {
    max-width: 300px;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .guide-toc {
    display: none;
  }
}

@media (max-width: 700px) {
  body {
    font-size: 16px;
  }

  body::before {
    display: none;
  }

  .site-header__inner,
  .guide-hero,
  .article-layout,
  .closing-cta,
  .related-guide,
  .library-hero,
  .guide-library,
  .library-links,
  .info-main,
  .site-footer__inner {
    width: min(100% - 28px, var(--content));
  }

  .site-header__inner {
    min-height: 64px;
  }

  .site-nav .nav-support {
    display: none;
  }

  .guide-hero {
    padding-top: 64px;
  }

  .guide-hero h1 {
    font-size: clamp(48px, 16vw, 70px);
  }

  .guide-dek {
    font-size: 20px;
  }

  .product-figure {
    width: calc(100% - 12px);
  }

  .product-figure figcaption {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .guide-library__grid {
    grid-template-columns: 1fr;
  }

  .guide-card,
  .guide-card:nth-child(odd),
  .guide-card:nth-child(even) {
    padding: 30px 0;
    border-right: 0;
  }

  .guide-card + .guide-card {
    border-top: 1px solid var(--line);
  }

  .library-links {
    align-items: flex-start;
    flex-direction: column;
  }

  .short-answer {
    padding-left: 22px;
  }

  .step {
    grid-template-columns: 48px 1fr;
    gap: 14px;
  }

  .step__number {
    font-size: 36px;
  }

  .use-list {
    grid-template-columns: 1fr;
  }

  .use-list li,
  .use-list li:nth-child(odd),
  .use-list li:nth-child(even) {
    min-height: 0;
    padding: 19px 0;
    border-right: 0;
  }

  .table-scroll {
    max-width: calc(100vw - 28px);
    overflow-x: auto;
  }

  .comparison {
    min-width: 620px;
  }

  .related-guide {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .site-footer__inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 28px 0;
  }
}

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