:root {
  --paper: #f4f7f2;
  --surface: #ffffff;
  --surface-soft: #eaf1eb;
  --ink: #12221f;
  --ink-soft: #455854;
  --line: #cedbd3;
  --forest: #173f3a;
  --forest-deep: #0e2d29;
  --mint: #b9efcf;
  --mint-soft: #e1f7e9;
  --blue: #245d78;
  --blue-soft: #e4f1f6;
  --amber: #9b6114;
  --amber-soft: #fff3d9;
  --red: #9b3d3d;
  --red-soft: #fae8e7;
  --shadow: 0 18px 50px rgba(14, 45, 41, 0.09);
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;
  --shell: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 7rem;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.68;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(23, 63, 58, 0.08) 1px, transparent 0);
  background-size: 26px 26px;
  content: "";
  pointer-events: none;
}

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

a {
  color: var(--blue);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--forest);
  text-decoration-thickness: 0.12em;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex="0"]:focus-visible {
  outline: 3px solid #f2b84b;
  outline-offset: 3px;
}

p,
ul,
ol,
blockquote,
pre,
table {
  margin-top: 0;
  margin-bottom: 1.25rem;
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--ink);
  font-family: ui-serif, Charter, "Bitstream Charter", Georgia, serif;
  font-weight: 650;
  line-height: 1.12;
  letter-spacing: -0.025em;
}

h1 {
  max-width: 18ch;
  margin-bottom: 1.25rem;
  font-size: clamp(2.45rem, 6vw, 4.7rem);
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.75rem, 3.4vw, 2.55rem);
}

h3 {
  margin-bottom: 0.65rem;
  font-size: clamp(1.22rem, 2.3vw, 1.55rem);
}

code,
pre,
.component-label,
.eyebrow,
.review-meta,
.tag {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

code {
  padding: 0.12rem 0.35rem;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface-soft);
  color: var(--forest-deep);
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

pre {
  max-width: 100%;
  padding: 1.15rem 1.25rem;
  border: 1px solid #2b514c;
  border-radius: var(--radius-sm);
  background: var(--forest-deep);
  color: #ebfff1;
  font-size: 0.88rem;
  line-height: 1.6;
  overflow-x: auto;
}

pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
}

.shell {
  width: min(calc(100% - 2.5rem), var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--forest-deep);
  color: #fff;
  transform: translateY(-160%);
}

.skip-link:focus {
  color: #fff;
  transform: translateY(0);
}

.site-disclosure {
  border-bottom: 1px solid rgba(185, 239, 207, 0.2);
  background: var(--forest-deep);
  color: #ddede6;
  font-size: 0.78rem;
}

.disclosure-inner {
  display: flex;
  min-height: 2.1rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-disclosure a {
  color: var(--mint);
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid rgba(206, 219, 211, 0.9);
  background: rgba(244, 247, 242, 0.94);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  min-height: 4.7rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  text-decoration: none;
}

.site-mark:hover {
  color: var(--ink);
}

.brand-wordmark {
  display: flex;
  align-items: baseline;
  font-size: 1.12rem;
  letter-spacing: -0.025em;
}

.site-mark strong {
  font-weight: 780;
}

.site-mark em {
  color: var(--forest);
  font-style: normal;
  font-weight: 650;
}

.site-mark small {
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 0.63rem;
  font-weight: 750;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.desktop-nav a {
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 650;
  text-decoration: none;
}

.desktop-nav a:hover {
  background: var(--surface-soft);
  color: var(--forest-deep);
}

.desktop-nav a[aria-current="page"] {
  background: var(--forest);
  color: #fff;
}

.mobile-nav {
  display: none;
  position: relative;
}

.mobile-nav summary {
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.mobile-nav summary::-webkit-details-marker {
  display: none;
}

.mobile-nav nav {
  position: absolute;
  top: calc(100% + 0.6rem);
  right: 0;
  display: grid;
  width: min(18rem, calc(100vw - 2rem));
  padding: 0.6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.mobile-nav nav a {
  padding: 0.7rem 0.8rem;
  border-radius: 8px;
  color: var(--ink);
  text-decoration: none;
}

.mobile-nav nav a[aria-current="page"] {
  background: var(--surface-soft);
  font-weight: 750;
}

.breadcrumbs {
  padding-top: 1.1rem;
  font-size: 0.83rem;
}

.breadcrumbs ol {
  display: flex;
  margin: 0;
  padding: 0;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.breadcrumbs li + li::before {
  margin-right: 0.5rem;
  color: #7a8b86;
  content: "/";
}

.breadcrumbs li[aria-current="page"] {
  color: var(--ink-soft);
}

.article-hero {
  position: relative;
  padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(3rem, 7vw, 5.5rem);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.article-hero::before,
.article-hero::after {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  content: "";
}

.article-hero::before {
  width: 34rem;
  height: 34rem;
  top: -18rem;
  right: -8rem;
  border: 1px solid rgba(23, 63, 58, 0.15);
  box-shadow: 0 0 0 70px rgba(185, 239, 207, 0.08), 0 0 0 140px rgba(36, 93, 120, 0.04);
}

.article-hero::after {
  width: 12rem;
  height: 12rem;
  bottom: -8rem;
  left: 8%;
  background: var(--mint-soft);
  filter: blur(1px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(18rem, 0.75fr);
  align-items: start;
  gap: clamp(2.5rem, 6vw, 5.5rem);
}

.eyebrow,
.component-label {
  margin-bottom: 0.75rem;
  color: var(--forest);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1.3;
  text-transform: uppercase;
}

.lede {
  max-width: 69ch;
  color: var(--ink-soft);
  font-size: clamp(1.08rem, 2vw, 1.3rem);
  line-height: 1.62;
}

.lede a {
  font-weight: 650;
}

.quick-answer {
  display: grid;
  max-width: 74ch;
  margin-top: 1.8rem;
  padding: 1.25rem 1.35rem;
  grid-template-columns: 7rem 1fr;
  gap: 1rem;
  border: 1px solid #aacbb8;
  border-radius: var(--radius);
  background: var(--mint-soft);
}

.quick-answer > span {
  color: var(--forest);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.quick-answer p {
  margin: 0;
  font-weight: 560;
  line-height: 1.58;
}

.review-meta {
  display: flex;
  margin-top: 1.25rem;
  flex-wrap: wrap;
  gap: 0.55rem 1.1rem;
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.review-meta strong {
  color: var(--ink);
}

.page-disclosure {
  max-width: 75ch;
  margin-top: 1rem;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.hero-brief {
  position: relative;
  padding: 1.7rem;
  border: 1px solid rgba(185, 239, 207, 0.42);
  border-radius: var(--radius-lg);
  background: var(--forest-deep);
  color: #e3efe9;
  box-shadow: var(--shadow);
}

.hero-brief::before {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  width: 0.65rem;
  height: 0.65rem;
  border: 3px solid var(--mint);
  border-radius: 50%;
  content: "";
}

.hero-brief .component-label {
  color: var(--mint);
}

.hero-brief h2 {
  color: #fff;
  font-size: 1.65rem;
}

.hero-brief ul {
  display: grid;
  margin-bottom: 1.15rem;
  padding: 0;
  gap: 0.65rem;
  list-style: none;
}

.hero-brief li {
  position: relative;
  padding-left: 1.5rem;
}

.hero-brief li::before {
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 0.55rem;
  height: 0.55rem;
  border: 2px solid var(--mint);
  border-radius: 50%;
  content: "";
}

.scope-note {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(227, 239, 233, 0.18);
  color: #bcd0c7;
  font-size: 0.82rem;
}

.top-cta-wrap {
  position: relative;
  z-index: 2;
  margin-top: -1.6rem;
}

.affiliate-cta {
  display: grid;
  margin: 2.8rem 0;
  padding: 1.35rem 1.45rem;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1.4rem;
  border: 1px solid #a9cbb8;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #e7f8ed, #f9fcf9 64%);
  box-shadow: 0 12px 30px rgba(14, 45, 41, 0.08);
}

.top-cta-wrap .affiliate-cta {
  margin: 0;
}

.affiliate-cta .component-label {
  margin-bottom: 0.4rem;
}

.affiliate-cta .cta-title {
  margin-bottom: 0.35rem;
  color: var(--ink);
  font-family: ui-serif, Georgia, serif;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.25;
}

.affiliate-cta p:last-child {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.cta-middle {
  margin-block: 3.5rem;
  border-color: #8fb5c4;
  background: linear-gradient(135deg, var(--blue-soft), #fbfdfd 65%);
}

.cta-end {
  margin-top: 2.5rem;
  border-color: transparent;
  background: var(--forest-deep);
  color: #e9f2ee;
}

.cta-end .component-label,
.cta-end .cta-title {
  color: var(--mint);
}

.cta-end p:last-child {
  color: #c5d6ce;
}

.button {
  display: inline-flex;
  min-height: 2.85rem;
  padding: 0.72rem 1rem;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 780;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
}

.button::after {
  content: "↗";
  font-size: 1.05em;
}

.button-primary {
  background: var(--forest);
  color: #fff;
  box-shadow: 0 8px 20px rgba(14, 45, 41, 0.18);
}

.button-primary:hover {
  background: var(--forest-deep);
  color: var(--mint);
}

.cta-end .button-primary {
  background: var(--mint);
  color: var(--forest-deep);
}

.cta-end .button-primary:hover {
  background: #d8f8e4;
  color: var(--forest-deep);
}

.button-secondary {
  border-color: var(--line);
  background: var(--surface);
  color: var(--forest);
}

.button-secondary:hover {
  border-color: var(--forest);
  color: var(--forest-deep);
}

.article-layout {
  display: grid;
  padding-block: clamp(3.5rem, 8vw, 7rem);
  grid-template-columns: 14rem minmax(0, 1fr);
  align-items: start;
  gap: clamp(2.5rem, 6vw, 5.5rem);
}

.table-of-contents {
  position: sticky;
  top: 6.2rem;
  padding: 1rem 1.05rem;
  border-left: 3px solid var(--mint);
  background: rgba(255, 255, 255, 0.6);
}

.table-of-contents ol {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 0.55rem;
  list-style: none;
}

.table-of-contents a {
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 570;
  line-height: 1.35;
  text-decoration: none;
}

.table-of-contents a:hover {
  color: var(--forest);
  text-decoration: underline;
}

.article-body {
  width: min(100%, 780px);
  min-width: 0;
}

.article-body > section,
.article-body > div.section-block {
  margin-bottom: 4.6rem;
}

.article-body > h2,
.article-body section > h2 {
  scroll-margin-top: 7rem;
}

.article-body p,
.article-body li {
  max-width: 74ch;
}

.article-body p + h2,
.article-body ul + h2,
.article-body ol + h2,
.article-body .table-wrap + h2,
.article-body .callout + h2,
.article-body .example + h2 {
  margin-top: 4.25rem;
}

.article-body h3 {
  margin-top: 2.2rem;
}

.article-body a:not(.button) {
  font-weight: 620;
}

.article-body a[target="_blank"]:not(.button)::after,
.utility-body a[target="_blank"]::after {
  display: inline-block;
  margin-left: 0.2em;
  content: "↗";
  font-size: 0.82em;
  text-decoration: none;
}

.key-points,
.answer-grid,
.decision-grid,
.pros-cons,
.metric-grid {
  display: grid;
  margin: 1.6rem 0 2rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.metric-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-card,
.decision-card,
.metric-card {
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.info-card > :last-child,
.decision-card > :last-child,
.metric-card > :last-child {
  margin-bottom: 0;
}

.info-card h3,
.decision-card h3,
.metric-card h3 {
  margin-top: 0;
  font-size: 1.2rem;
}

.metric-card strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--forest);
  font-family: ui-serif, Georgia, serif;
  font-size: 1.65rem;
  line-height: 1.1;
}

.metric-card span {
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.callout {
  margin: 1.75rem 0;
  padding: 1.2rem 1.3rem;
  border: 1px solid #a9c9d5;
  border-left: 5px solid var(--blue);
  border-radius: 4px var(--radius) var(--radius) 4px;
  background: var(--blue-soft);
}

.callout.warning {
  border-color: #e7c689;
  border-left-color: var(--amber);
  background: var(--amber-soft);
}

.callout.danger {
  border-color: #dfaaa6;
  border-left-color: var(--red);
  background: var(--red-soft);
}

.callout.success {
  border-color: #a9cbb8;
  border-left-color: var(--forest);
  background: var(--mint-soft);
}

.callout > :last-child {
  margin-bottom: 0;
}

.callout-title {
  margin-bottom: 0.35rem;
  font-weight: 780;
}

.steps {
  display: grid;
  margin: 1.7rem 0 2.1rem;
  padding: 0;
  gap: 1rem;
  counter-reset: steps;
  list-style: none;
}

.steps > li {
  position: relative;
  min-height: 4.5rem;
  padding: 1.15rem 1.2rem 1.15rem 4.6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  counter-increment: steps;
}

.steps > li::before {
  position: absolute;
  top: 1.05rem;
  left: 1.15rem;
  display: grid;
  width: 2.35rem;
  height: 2.35rem;
  place-items: center;
  border-radius: 50%;
  background: var(--forest);
  color: var(--mint);
  content: counter(steps, decimal-leading-zero);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 800;
}

.steps strong {
  display: block;
  margin-bottom: 0.25rem;
}

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

.checklist {
  display: grid;
  margin: 1.5rem 0 2rem;
  padding: 0;
  gap: 0.6rem;
  list-style: none;
}

.checklist li {
  position: relative;
  padding: 0.6rem 0.75rem 0.6rem 2.35rem;
  border-bottom: 1px solid var(--line);
}

.checklist li::before {
  position: absolute;
  top: 0.82rem;
  left: 0.55rem;
  width: 0.72rem;
  height: 0.42rem;
  border-bottom: 2px solid var(--forest);
  border-left: 2px solid var(--forest);
  content: "";
  transform: rotate(-45deg);
}

.table-wrap {
  margin: 1.6rem 0 2.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.table-wrap::before {
  display: none;
  padding: 0.55rem 0.8rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  content: "Scroll table horizontally →";
  font-size: 0.72rem;
}

table {
  width: 100%;
  min-width: 640px;
  margin: 0;
  border-collapse: collapse;
  font-size: 0.9rem;
}

caption {
  padding: 1rem;
  color: var(--ink);
  font-weight: 720;
  text-align: left;
}

th,
td {
  padding: 0.78rem 0.9rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--surface-soft);
  color: var(--forest-deep);
  font-size: 0.76rem;
  letter-spacing: 0.025em;
  line-height: 1.35;
  text-transform: uppercase;
}

tbody tr:last-child td {
  border-bottom: 0;
}

tbody tr:nth-child(even) td {
  background: #fbfcfa;
}

.formula,
.example {
  margin: 1.6rem 0 2rem;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.formula strong,
.example strong {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--forest);
  font-size: 0.83rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.formula code {
  display: block;
  padding: 0.8rem;
  border: 0;
  background: var(--forest-deep);
  color: var(--mint);
  font-size: clamp(0.82rem, 2vw, 1.02rem);
  text-align: center;
}

.formula > :last-child,
.example > :last-child {
  margin-bottom: 0;
}

blockquote {
  margin-inline: 0;
  padding: 0.6rem 0 0.6rem 1.3rem;
  border-left: 4px solid var(--mint);
  color: var(--ink-soft);
  font-family: ui-serif, Georgia, serif;
  font-size: 1.18rem;
  font-style: italic;
}

.tag-list {
  display: flex;
  margin: 1rem 0 1.7rem;
  padding: 0;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}

.tag {
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 0.7rem;
}

.section-heading {
  margin-bottom: 1.2rem;
}

.section-heading .component-label {
  margin-bottom: 0.4rem;
}

.section-heading h2 {
  margin-bottom: 0;
}

.faq {
  padding-top: 1rem;
}

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

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

.faq summary {
  position: relative;
  padding: 1.1rem 3rem 1.1rem 0;
  cursor: pointer;
  font-weight: 720;
  list-style: none;
}

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

.faq summary::after {
  position: absolute;
  top: 1.05rem;
  right: 0.35rem;
  display: grid;
  width: 1.65rem;
  height: 1.65rem;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--forest);
  content: "+";
  font-size: 1.1rem;
  line-height: 1;
}

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

.faq details div {
  padding: 0 2.5rem 1rem 0;
  color: var(--ink-soft);
}

.faq details p {
  margin-bottom: 0;
}

.conclusion {
  padding: 1.6rem;
  border: 1px solid #aacbb8;
  border-radius: var(--radius);
  background: var(--mint-soft);
}

.conclusion > :last-child {
  margin-bottom: 0;
}

.sources {
  padding-top: 1rem;
}

.sources ol {
  display: grid;
  padding-left: 1.35rem;
  gap: 0.65rem;
}

.sources a {
  overflow-wrap: anywhere;
}

.source-note {
  padding: 0.8rem 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.related-card {
  display: block;
  padding: 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
}

.related-card:hover {
  border-color: #83aa96;
  color: var(--ink);
  box-shadow: 0 12px 24px rgba(14, 45, 41, 0.07);
  transform: translateY(-2px);
}

.related-card span {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--forest);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.related-card strong {
  display: block;
  margin-bottom: 0.45rem;
  font-family: ui-serif, Georgia, serif;
  font-size: 1.1rem;
  line-height: 1.28;
}

.related-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.5;
}

.site-footer {
  padding: 4.5rem 0 1.5rem;
  border-top: 1px solid #2b514c;
  background: var(--forest-deep);
  color: #cbdad3;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr repeat(4, 1fr);
  gap: 2rem;
}

.footer-mark {
  color: #fff;
}

.footer-mark:hover {
  color: #fff;
}

.footer-intro p {
  max-width: 36ch;
  margin-top: 1rem;
  color: #cbdad3;
  font-size: 0.88rem;
}

.footer-intro .fine-print {
  color: #9eb5aa;
  font-size: 0.73rem;
}

.site-footer nav {
  display: grid;
  align-content: start;
  gap: 0.5rem;
}

.site-footer nav h2 {
  margin-bottom: 0.45rem;
  color: var(--mint);
  font-family: inherit;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer nav a {
  color: #d7e4de;
  font-size: 0.8rem;
  text-decoration: none;
}

.site-footer nav a:hover {
  color: var(--mint);
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  margin-top: 3.5rem;
  padding-top: 1.2rem;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid rgba(203, 218, 211, 0.18);
  color: #93aa9f;
  font-size: 0.72rem;
}

.utility-main {
  padding-bottom: 6rem;
}

.utility-card {
  max-width: 850px;
  margin: 2rem auto 0;
  padding: clamp(1.5rem, 5vw, 3.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.utility-card h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
}

.reviewed-line {
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.utility-body {
  max-width: 72ch;
  margin-top: 2.5rem;
}

.utility-body h2 {
  margin-top: 2.7rem;
  font-size: 1.75rem;
}

.utility-body h3 {
  margin-top: 2rem;
  font-size: 1.25rem;
}

.not-found {
  display: grid;
  min-height: 65vh;
  place-items: center;
  padding: 5rem 0;
}

.not-found-inner {
  text-align: center;
}

.error-code {
  margin-bottom: 0.25rem;
  color: var(--forest);
  font-family: ui-serif, Georgia, serif;
  font-size: clamp(5rem, 18vw, 11rem);
  font-weight: 800;
  line-height: 0.85;
  opacity: 0.14;
}

.not-found h1 {
  max-width: none;
  font-size: clamp(2.2rem, 5vw, 4rem);
}

.not-found p:not(.error-code) {
  max-width: 58ch;
  margin-inline: auto;
  color: var(--ink-soft);
}

.not-found-links {
  display: flex;
  margin-top: 1.8rem;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (max-width: 1040px) {
  .desktop-nav {
    display: none;
  }

  .mobile-nav {
    display: block;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(16rem, 0.58fr);
    gap: 2.5rem;
  }

  .footer-grid {
    grid-template-columns: 1.5fr repeat(2, 1fr);
  }

  .footer-intro {
    grid-row: span 2;
  }
}

@media (max-width: 820px) {
  .hero-grid,
  .article-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-brief {
    max-width: 38rem;
  }

  .table-of-contents {
    position: static;
    min-width: 0;
    padding: 1rem 1.15rem;
    border: 1px solid var(--line);
    border-left: 4px solid var(--mint);
    border-radius: var(--radius);
  }

  .table-of-contents ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-body {
    width: 100%;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  html {
    scroll-padding-top: 5.5rem;
  }

  .shell {
    width: min(calc(100% - 1.35rem), var(--shell));
  }

  .disclosure-inner {
    min-height: 2.55rem;
    font-size: 0.7rem;
  }

  .disclosure-inner span {
    max-width: 24ch;
    line-height: 1.25;
  }

  .header-inner {
    min-height: 4.2rem;
  }

  .site-mark small {
    display: none;
  }

  .article-hero {
    padding-top: 3rem;
  }

  h1 {
    font-size: clamp(2.35rem, 12vw, 3.45rem);
  }

  .quick-answer {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .review-meta {
    display: grid;
  }

  .affiliate-cta {
    grid-template-columns: 1fr;
    padding: 1.2rem;
  }

  .affiliate-cta .button {
    width: 100%;
  }

  .key-points,
  .answer-grid,
  .decision-grid,
  .pros-cons,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .steps > li {
    padding-left: 4rem;
  }

  .steps > li::before {
    left: 0.9rem;
  }

  .table-wrap::before {
    display: block;
  }

  .table-of-contents ol {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 1.2rem;
  }

  .footer-intro {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .not-found-links {
    display: grid;
  }
}

@media (max-width: 420px) {
  .brand-wordmark {
    font-size: 1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .site-footer nav {
    padding-top: 1rem;
    border-top: 1px solid rgba(203, 218, 211, 0.15);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-disclosure,
  .site-header,
  .affiliate-cta,
  .table-of-contents,
  .site-footer {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }

  body::before {
    display: none;
  }

  .article-layout,
  .hero-grid {
    display: block;
  }

  .hero-brief {
    margin-top: 1rem;
    border-color: #999;
    background: #fff;
    color: #000;
    box-shadow: none;
  }

  .hero-brief h2,
  .hero-brief .component-label,
  .scope-note {
    color: #000;
  }

  a {
    color: #000;
  }
}