/* HOWDOUDO public pages. Shared by the landing page and long-form guides. */
:root {
  color-scheme: light;
  --brand: #0062ad;
  --brand-dark: #004c89;
  --navy: #07192c;
  --ink: #142434;
  --muted: #526477;
  --surface: #ffffff;
  --background: #f5f7fb;
  --line: #dfe6ee;
  --blue-soft: #edf6fd;
  --radius: 20px;
  --shadow: 0 8px 30px rgba(7, 25, 44, 0.045);
}

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

html {
  scroll-padding-top: 28px;
  -webkit-text-size-adjust: 100%;
}

body.public-site {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--brand);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

a:hover {
  color: var(--brand-dark);
}

button,
input,
select,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 5px;
}

img,
svg {
  max-width: 100%;
  vertical-align: middle;
}

img {
  height: auto;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--navy);
  font-weight: 700;
  text-wrap: pretty;
}

h1 {
  font-size: clamp(38px, 4.8vw, 64px);
  line-height: 1.18;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.35;
  letter-spacing: -0.025em;
}

h3 {
  font-size: 21px;
  line-height: 1.5;
  letter-spacing: -0.015em;
}

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

.container,
.nav-wrap {
  width: min(1160px, calc(100% - 64px));
  margin-inline: auto;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 88px;
  padding-block: 18px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  font-size: 20px;
  font-weight: 750;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand img {
  display: block;
  width: 160px;
  max-height: 44px;
  object-fit: contain;
  object-position: left center;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 12px 26px;
  min-width: 0;
}

.nav-links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--brand);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  max-width: 100%;
  padding: 10px 21px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface);
  color: var(--navy);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}

.button:hover {
  border-color: #abc7dd;
  background: var(--blue-soft);
  color: var(--brand);
}

.button.primary,
.nav-links a.button.primary {
  border-color: var(--brand);
  background: var(--brand);
  color: #fff;
}

.button.primary:hover {
  border-color: var(--brand-dark);
  background: var(--brand-dark);
  color: #fff;
}

.button.light {
  border-color: rgba(255, 255, 255, 0.35);
  background: #fff;
  color: var(--navy);
}

.button.light:hover {
  border-color: #fff;
  background: #eaf4fc;
  color: var(--brand);
}

.hero {
  padding-block: 44px 52px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: center;
  gap: 62px;
}

.eyebrow,
.section-kicker {
  display: block;
  margin-bottom: 17px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.09em;
}

.hero-copy h1 {
  margin-bottom: 26px;
}

.hero-copy > p:not(.eyebrow):not(.hero-note) {
  max-width: 570px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-actions .button {
  min-height: 50px;
  padding-inline: 25px;
  font-size: 15px;
}

.hero-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.hero-visual {
  position: relative;
  display: flex;
  min-height: 470px;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 20px 28px;
  overflow: hidden;
  border: 1px solid #17334f;
  border-radius: 28px;
  background: var(--navy);
  color: #dce8f4;
}

.hero-visual > * {
  position: relative;
  z-index: 1;
}

.hero-visual h2,
.hero-visual h3,
.hero-visual strong {
  color: #fff;
}

.hero-visual h2 {
  margin-bottom: 8px;
  font-size: 28px;
  line-height: 1.25;
}

.hero-visual > .eyebrow {
  margin-bottom: 6px;
}

.hero-visual > p:not(.eyebrow) {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
}

.hero-visual p,
.hero-visual .hero-note {
  color: #bfcedd;
}

.hero-visual > img,
.hero-visual > svg {
  display: block;
  width: min(100%, 310px);
  margin: 20px auto 30px;
}

.network-orbit {
  position: relative;
  display: grid;
  width: min(100%, 180px);
  flex: 0 0 auto;
  aspect-ratio: 1;
  place-items: center;
  margin: 0 auto 12px;
  border: 1px solid #35506c;
  border-radius: 50%;
}

.network-orbit::before,
.network-orbit::after {
  position: absolute;
  content: "";
  pointer-events: none;
  border: 1px solid #35506c;
  border-radius: 50%;
}

.network-orbit::before {
  inset: 16%;
}

.network-orbit::after {
  inset: 34%;
  background: #103b60;
}

.network-orbit > img,
.network-orbit > svg {
  position: relative;
  z-index: 1;
  width: 48%;
  max-height: 150px;
  object-fit: contain;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.metric strong {
  display: block;
  margin-bottom: 5px;
  color: var(--navy);
  font-size: 23px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.025em;
}

.metric span,
.metric small,
.metric p {
  display: block;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.hero-visual .hero-metrics {
  margin-top: 12px;
  padding-top: 12px;
  border-color: #2b4258;
}

.hero-visual .metric strong {
  margin-bottom: 4px;
  color: #fff;
  line-height: 1.25;
}

.hero-visual .metric span,
.hero-visual .metric small,
.hero-visual .metric p {
  color: #bfcedd;
}

.section {
  padding-block: 72px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-heading h2 {
  margin-bottom: 14px;
}

.section-heading p:not(.section-kicker) {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.grid-3,
.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: 22px;
}

.feature-card,
.card,
.plan-card,
.contact-card {
  min-width: 0;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card.hero-visual {
  border-color: #17334f;
  background: var(--navy);
}

.card.hero-visual p {
  color: #bfcedd;
}

.feature-card h3 {
  margin-block: 21px 12px;
}

.feature-card p,
.card p,
.contact-card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.card-icon {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--brand);
  font-size: 20px;
  font-weight: 650;
}

.card-icon svg,
.card-icon img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.plan-card {
  display: flex;
  flex-direction: column;
  padding: 30px 27px;
}

.plan-card.featured {
  border: 2px solid var(--brand);
  padding: 29px 26px;
  box-shadow: 0 10px 34px rgba(0, 98, 173, 0.08);
}

.plan-name {
  margin-bottom: 10px;
  color: var(--navy);
  font-size: 23px;
  font-weight: 700;
}

.plan-price {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 7px;
  margin-block: 14px 18px;
  color: var(--navy);
  font-size: 48px;
  font-weight: 720;
  line-height: 1.25;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.plan-price strong {
  font: inherit;
}

.plan-unit,
.plan-price small {
  color: var(--muted);
  font-size: 14px;
  font-weight: 450;
  letter-spacing: 0;
}

.plan-specs {
  margin: 6px 0 22px;
  padding: 21px 0;
  border-block: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.plan-specs dl {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  align-items: baseline;
  gap: 12px 16px;
}

dl.plan-specs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.plan-specs > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.plan-specs dl {
  margin: 0;
}

.plan-specs dt,
.plan-specs dd {
  min-width: 0;
  margin: 0;
}

.plan-specs dd {
  color: var(--ink);
  font-weight: 600;
  text-align: right;
  white-space: nowrap;
}

.plan-specs li + li {
  margin-top: 8px;
}

ul.plan-specs {
  list-style: none;
}

.plan-note {
  margin-bottom: 23px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}

.plan-cta {
  margin-top: auto;
}

.plan-cta .button,
a.plan-cta {
  width: 100%;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.guide-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  padding: 27px 58px 27px 28px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
}

a.guide-card:hover,
.guide-card:focus-within {
  border-color: #94bbda;
  color: var(--ink);
}

.guide-card h2,
.guide-card h3 {
  margin-bottom: 8px;
  font-size: 20px;
  line-height: 1.5;
}

.guide-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.guide-card h2 a,
.guide-card h3 a {
  color: inherit;
  text-decoration: none;
}

.guide-index {
  display: block;
  margin-bottom: 17px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.07em;
  font-variant-numeric: tabular-nums;
}

.guide-card .arrow {
  position: absolute;
  right: 25px;
  top: 29px;
  color: var(--brand);
  font-size: 22px;
  line-height: 1;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  align-items: start;
  gap: 64px;
}

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

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

.faq-list summary {
  position: relative;
  padding: 21px 36px 21px 0;
  color: var(--navy);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.65;
  cursor: pointer;
  list-style: none;
}

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

.faq-list summary::after {
  position: absolute;
  top: 20px;
  right: 3px;
  content: "+";
  color: var(--brand);
  font-size: 23px;
  font-weight: 400;
}

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

.faq-list details > :not(summary) {
  margin-top: 0;
  padding-right: 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.faq-list details > :last-child {
  margin-bottom: 23px;
}

.cta-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 26px 40px;
  margin-block: 36px 78px;
  padding: 43px 46px;
  border-radius: 24px;
  background: var(--navy);
  color: #bfcedd;
}

.cta-band h2,
.cta-band h3 {
  margin-bottom: 10px;
  color: #fff;
  font-size: clamp(25px, 2.6vw, 33px);
}

.cta-band p {
  max-width: 710px;
  margin-bottom: 0;
  font-size: 15px;
}

.cta-band .hero-actions {
  margin: 0;
}

.cta-band a:not(.button) {
  color: #c6e5ff;
}

.cta-band :focus-visible,
.hero-visual :focus-visible {
  outline-color: #9bd3ff;
}

.site-footer {
  padding-top: 52px;
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 13px;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) repeat(2, minmax(0, 1fr));
  gap: 34px 65px;
  padding-bottom: 40px;
}

.footer-grid h2,
.footer-grid h3,
.footer-grid h4 {
  margin-bottom: 15px;
  font-size: 14px;
}

.footer-grid p {
  max-width: 385px;
  margin-top: 17px;
  line-height: 1.9;
}

.footer-grid ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-grid nav {
  display: grid;
  align-content: start;
  justify-items: start;
  gap: 10px;
}

.footer-grid nav > strong {
  display: block;
  margin-bottom: 5px;
  color: var(--navy);
  font-size: 14px;
}

.footer-grid li + li {
  margin-top: 9px;
}

.footer-grid a:not(.brand),
.footer-bottom a {
  color: var(--muted);
  text-decoration: none;
}

.footer-grid a:hover,
.footer-bottom a:hover {
  color: var(--brand);
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 9px 24px;
  padding-block: 23px 27px;
  border-top: 1px solid var(--line);
  font-size: 12px;
}

.footer-bottom p {
  margin: 0;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 11px;
  padding-block: 28px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--brand);
  text-decoration: underline;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumb li + li::before {
  margin-right: 11px;
  content: "/";
  color: #7c8996;
}

.page-hero {
  max-width: 880px;
  padding-block: 48px 42px;
}

.page-hero h1 {
  margin-bottom: 21px;
  font-size: clamp(36px, 4.1vw, 52px);
  line-height: 1.25;
}

.page-hero > p:not(.eyebrow):not(.article-meta) {
  max-width: 790px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.95;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 18px;
  margin-block: 20px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}

.article-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 760px);
  align-items: start;
  justify-content: space-between;
  gap: 48px;
  padding-block: 8px 72px;
}

.toc {
  position: sticky;
  top: 28px;
  padding: 23px 21px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  font-size: 13px;
}

.toc h2,
.toc h3,
.toc > strong {
  display: block;
  margin-bottom: 14px;
  color: var(--navy);
  font-size: 14px;
  line-height: 1.6;
}

.toc nav {
  display: grid;
  align-content: start;
  gap: 10px;
}

.toc nav > strong {
  display: block;
  margin-bottom: 4px;
  color: var(--navy);
  font-size: 14px;
}

.toc ol,
.toc ul {
  margin: 0;
  padding-left: 17px;
}

.toc li {
  padding-left: 2px;
  color: var(--muted);
}

.toc li + li {
  margin-top: 11px;
}

.toc a {
  color: var(--muted);
  line-height: 1.8;
  text-decoration: none;
}

.toc a:hover {
  color: var(--brand);
  text-decoration: underline;
}

.prose {
  min-width: 0;
  max-width: 760px;
  color: #34485c;
  font-size: 16px;
  line-height: 2;
  overflow-wrap: break-word;
}

.prose > :first-child,
.article-section:first-child > :first-child {
  margin-top: 0;
}

.prose p {
  margin-bottom: 20px;
}

.prose h2 {
  margin-block: 46px 18px;
  font-size: 27px;
  line-height: 1.5;
}

.prose h3 {
  margin-block: 29px 12px;
  font-size: 20px;
  line-height: 1.6;
}

.prose ul,
.prose ol {
  margin-block: 16px 26px;
  padding-left: 24px;
}

.prose li {
  padding-left: 4px;
}

.prose li + li {
  margin-top: 9px;
}

.prose li::marker {
  color: var(--brand);
}

.prose strong {
  color: var(--navy);
  font-weight: 650;
}

.prose a {
  overflow-wrap: anywhere;
}

.prose blockquote {
  margin: 26px 0;
  padding: 18px 24px;
  border-left: 3px solid var(--brand);
  background: var(--blue-soft);
}

.prose img {
  display: block;
  max-height: 750px;
  margin: 28px auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  object-fit: contain;
}

.prose code {
  padding: 2px 5px;
  border-radius: 4px;
  background: #eaf0f6;
  color: var(--navy);
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

.prose pre {
  overflow-x: auto;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #eef2f7;
  line-height: 1.75;
}

.prose pre code {
  padding: 0;
  background: transparent;
  overflow-wrap: normal;
}

.article-section {
  scroll-margin-top: 28px;
}

.article-section + .article-section {
  margin-top: 40px;
  padding-top: 4px;
}

.related {
  margin-top: 46px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.related h2,
.related h3 {
  margin-top: 0;
}

.related .guide-grid {
  gap: 14px;
}

.related .guide-card {
  padding: 21px 39px 21px 21px;
}

.related .guide-card h3 {
  font-size: 17px;
}

.related .guide-card .arrow {
  right: 17px;
  top: 25px;
}

.table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  -webkit-overflow-scrolling: touch;
}

.comparison {
  min-width: 0;
  margin-block: 28px;
}

.comparison table,
table.comparison {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 14px;
  line-height: 1.85;
  text-align: left;
}

.comparison caption {
  padding: 18px 22px;
  color: var(--navy);
  font-weight: 650;
  text-align: left;
}

.comparison th,
.comparison td {
  padding: 18px 21px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.comparison th {
  background: #eef4f9;
  color: var(--navy);
  font-weight: 650;
}

.comparison tbody th {
  min-width: 115px;
  background: #f8fafd;
}

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

.comparison tbody tr:last-child > * {
  border-bottom: 0;
}

.notice {
  margin-block: 25px;
  padding: 20px 24px;
  border: 1px solid #cddff0;
  border-left: 3px solid var(--brand);
  border-radius: 10px;
  background: var(--blue-soft);
  color: #355775;
  font-size: 14px;
  line-height: 1.9;
}

.notice h2,
.notice h3 {
  margin-block: 0 10px;
  font-size: 17px;
}

.notice p {
  margin-bottom: 12px;
}

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

.contact-card h2,
.contact-card h3 {
  margin-bottom: 15px;
  font-size: 23px;
}

.contact-card .button {
  margin-top: 17px;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 16px;
  padding: 10px 18px;
  transform: translateY(-160%);
  border-radius: 8px;
  background: var(--navy);
  color: #fff;
  font-size: 14px;
  text-decoration: none;
}

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

@media (max-width: 1000px) {
  .nav-wrap {
    gap: 20px;
  }

  .nav-links {
    gap: 10px 17px;
  }

  .hero-grid {
    gap: 32px;
  }

  .hero-visual {
    min-height: 350px;
    padding: 20px 24px;
  }

  .hero-copy h1 {
    font-size: 49px;
  }

  .feature-card,
  .plan-card,
  .card,
  .contact-card {
    padding: 24px;
  }

  .plan-card.featured {
    padding: 23px;
  }

  .split-section {
    gap: 36px;
  }

  .article-layout {
    grid-template-columns: 195px minmax(0, 1fr);
    gap: 32px;
  }

  .footer-grid {
    gap: 32px;
  }
}

@media (max-width: 760px) {
  .container,
  .nav-wrap {
    width: min(100% - 40px, 620px);
  }

  .nav-wrap {
    flex-wrap: wrap;
    gap: 18px;
    min-height: 0;
    padding-block: 20px 16px;
  }

  .brand img {
    width: 150px;
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
    gap: 10px 19px;
  }

  .nav-links a {
    font-size: 13px;
  }

  .nav-links .button {
    min-height: 38px;
    padding: 7px 14px;
    font-size: 12px;
  }

  .hero {
    padding-block: 45px 30px;
  }

  .hero-grid,
  .grid-3,
  .plan-grid,
  .split-section {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .hero-copy h1 {
    max-width: 580px;
    margin-bottom: 20px;
    font-size: clamp(38px, 7vw, 49px);
    line-height: 1.23;
    letter-spacing: -0.035em;
  }

  .hero-copy > p:not(.eyebrow):not(.hero-note) {
    font-size: 16px;
    line-height: 1.95;
  }

  .hero-visual {
    min-height: 0;
    padding: 24px;
    margin-top: 12px;
    border-radius: 20px;
  }

  .network-orbit {
    width: 154px;
    margin-block: 0 12px;
  }

  .hero-visual > img,
  .hero-visual > svg {
    width: 230px;
  }

  .hero-metrics {
    gap: 15px;
    margin-top: 29px;
    padding-top: 22px;
  }

  .metric strong {
    font-size: 20px;
  }

  .section {
    padding-block: 42px;
  }

  .section-heading {
    margin-bottom: 26px;
  }

  .section-heading h2 {
    font-size: 29px;
  }

  .section-heading p:not(.section-kicker) {
    font-size: 15px;
  }

  .feature-card h3 {
    margin-top: 17px;
  }

  .plan-price {
    font-size: 45px;
  }

  .guide-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .guide-card {
    padding: 24px 52px 24px 24px;
  }

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

  .cta-band {
    gap: 24px;
    margin-block: 24px 46px;
    padding: 29px 26px;
    border-radius: 18px;
  }

  .site-footer {
    padding-top: 35px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 27px;
    padding-bottom: 29px;
  }

  .footer-grid > :first-child {
    grid-column: 1 / -1;
  }

  .footer-grid p {
    max-width: 470px;
  }

  .footer-bottom {
    padding-block: 21px 24px;
  }

  .breadcrumb {
    padding-top: 22px;
    font-size: 12px;
  }

  .page-hero {
    padding-block: 32px 29px;
  }

  .page-hero h1 {
    font-size: 36px;
    line-height: 1.3;
  }

  .page-hero > p:not(.eyebrow):not(.article-meta) {
    font-size: 16px;
  }

  .article-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
    padding-bottom: 44px;
  }

  .toc {
    position: static;
    padding: 20px 24px;
  }

  .toc ol,
  .toc ul {
    columns: 2;
    column-gap: 30px;
  }

  .toc li {
    break-inside: avoid;
    padding-bottom: 8px;
  }

  .toc li + li {
    margin-top: 0;
  }

  .prose {
    font-size: 16px;
    line-height: 1.95;
  }

  .prose h2 {
    margin-top: 34px;
    font-size: 25px;
  }

  .prose h3 {
    font-size: 19px;
  }

  .prose blockquote,
  .notice {
    padding: 18px 20px;
  }

  .comparison th,
  .comparison td {
    padding: 15px 17px;
  }
}

@media (max-width: 400px) {
  .container,
  .nav-wrap {
    width: calc(100% - 36px);
  }

  .nav-links {
    gap: 10px 16px;
  }

  .hero-actions {
    gap: 10px;
  }

  .hero-actions .button {
    min-height: 46px;
    padding-inline: 18px;
    font-size: 14px;
  }

  .hero-metrics {
    gap: 11px;
  }

  .metric strong {
    font-size: 18px;
  }

  .metric span,
  .metric small,
  .metric p {
    font-size: 11px;
  }

  .toc ol,
  .toc ul {
    columns: 1;
  }
}

/* Clearer product choices and short paths into the public guides. */
.brand-caption {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin-block: 22px 0;
}

.hero-facts > span {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border: 1px solid #d7e5f0;
  border-radius: 6px;
  background: #fff;
  color: #355775;
  font-size: 12px;
  line-height: 1.6;
}

.setup-panel {
  min-width: 0;
  min-height: 0;
  padding: 28px;
  border: 1px solid #17334f;
  border-radius: 22px;
  background: var(--navy);
  color: #dce8f4;
}

.setup-panel .brand-symbol {
  display: block;
  width: 48px;
  height: 48px;
  margin: 0 0 16px;
  object-fit: contain;
}

.setup-title h2,
.setup-panel > h2 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 26px;
  line-height: 1.4;
}

.setup-title > p {
  margin-bottom: 15px;
  color: #bfcedd;
  font-size: 13px;
}

.setup-list,
.setup-list ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.setup-list li {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding-block: 15px;
  border-top: 1px solid #2b4258;
}

.setup-list li > div {
  min-width: 0;
}

.step-number {
  display: inline-grid;
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 8px;
  background: var(--blue-soft);
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.setup-panel .step-number {
  background: #183958;
  color: #c6e5ff;
}

.setup-list strong {
  display: block;
  margin-bottom: 4px;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
}

.setup-list p {
  margin: 0;
  color: #bfcedd;
  font-size: 13px;
  line-height: 1.8;
}

.setup-foot {
  margin: 7px 0 0;
  padding-top: 16px;
  border-top: 1px solid #2b4258;
  color: #c6e5ff;
  font-size: 13px;
  line-height: 1.7;
}

.setup-foot a {
  color: #c6e5ff;
  text-decoration: none;
}

.setup-foot a:hover {
  color: #fff;
  text-decoration: underline;
}

.setup-panel :focus-visible {
  outline-color: #9bd3ff;
}

.device-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.device-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  color: var(--ink);
  text-decoration: none;
}

.device-card strong {
  margin-bottom: 9px;
  color: var(--navy);
  font-size: 19px;
  line-height: 1.4;
  white-space: nowrap;
}

.device-card span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.device-card small {
  display: block;
  margin-top: 16px;
  color: var(--brand);
  font-size: 12px;
  line-height: 1.7;
}

.device-card:hover {
  border-color: #94bbda;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.steps-grid > article {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
}

.steps-grid .step-number {
  margin-bottom: 18px;
}

.steps-grid h3 {
  margin-bottom: 11px;
  font-size: 20px;
}

.steps-grid p {
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.steps-grid article > a {
  margin-top: auto;
  font-size: 14px;
}

.answer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.answer-card {
  min-width: 0;
  padding: 25px 27px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.answer-card h3 {
  margin-bottom: 11px;
  font-size: 19px;
}

.answer-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.quick-help {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.quick-help > a {
  display: block;
  min-width: 0;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fff;
  text-decoration: none;
}

.quick-help strong {
  display: block;
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 16px;
  line-height: 1.6;
}

.quick-help span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}

.quick-help > a:hover {
  border-color: #94bbda;
}

.decision-note {
  margin-block: 26px;
  padding: 24px 27px;
  border: 1px solid #cddff0;
  border-radius: 14px;
  background: var(--blue-soft);
  color: #355775;
}

.decision-note h2,
.decision-note h3,
.decision-note > strong {
  display: block;
  margin: 0 0 10px;
  color: var(--navy);
  font-size: 18px;
  line-height: 1.6;
}

.decision-note p {
  margin-bottom: 0;
  font-size: 14px;
  line-height: 1.9;
}

.plan-fit {
  min-height: 3.7em;
  margin-block: 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.included-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin-block: 23px;
  padding: 19px 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.included-strip > span {
  display: inline-flex;
  flex: 1 1 200px;
  align-items: baseline;
  gap: 9px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.included-strip > span::before {
  display: block;
  flex: 0 0 5px;
  width: 5px;
  height: 5px;
  align-self: center;
  border-radius: 50%;
  background: var(--brand);
  content: "";
}

.guide-paths {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-block: 24px;
}

.guide-paths > a {
  display: block;
  min-width: 0;
  padding: 22px 24px;
  border: 1px solid #d2e1ee;
  border-radius: 13px;
  background: #fff;
  font-size: 14px;
  line-height: 1.8;
  text-decoration: none;
}

.guide-paths strong {
  display: block;
  margin-bottom: 7px;
  color: var(--navy);
  font-size: 16px;
}

.guide-paths span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.guide-paths > a:hover {
  border-color: #94bbda;
}

.section.compact {
  padding-block: 44px;
}

.page-hero + .section {
  padding-top: 12px;
}

@media (max-width: 1000px) {
  .device-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .setup-panel {
    padding: 24px;
  }

  .steps-grid,
  .quick-help,
  .guide-paths {
    gap: 14px;
  }

  .steps-grid > article,
  .quick-help > a,
  .guide-paths > a {
    padding: 22px;
  }
}

@media (max-width: 760px) {
  .hero-facts {
    gap: 8px;
    margin-top: 19px;
  }

  .setup-panel {
    margin-top: 12px;
  }

  .setup-title h2,
  .setup-panel > h2 {
    font-size: 24px;
  }

  .steps-grid,
  .answer-grid,
  .quick-help,
  .guide-paths {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .device-grid {
    gap: 12px;
  }

  .device-card {
    padding: 21px 18px;
  }

  .device-card strong {
    font-size: 17px;
  }

  .answer-card,
  .decision-note {
    padding: 22px;
  }

  .included-strip {
    gap: 10px;
    padding: 18px 21px;
  }

  .included-strip > span {
    flex-basis: 100%;
  }

  .section.compact {
    padding-block: 32px;
  }

  .page-hero + .section {
    padding-top: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}

@media print {
  body.public-site {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }

  .site-header,
  .site-footer,
  .hero-visual,
  .toc,
  .hero-actions,
  .cta-band,
  .skip-link {
    display: none;
  }

  .container {
    width: 100%;
  }

  .article-layout {
    display: block;
  }

  .prose {
    max-width: none;
  }

  .page-hero,
  .section {
    padding-block: 12pt;
  }

  .feature-card,
  .plan-card,
  .guide-card,
  .contact-card {
    box-shadow: none;
    break-inside: avoid;
  }

  .table-scroll {
    overflow: visible;
  }

  .comparison table {
    min-width: 0;
    font-size: 9pt;
  }

  a {
    color: #000;
  }
}