:root {
  --ink: #07122d;
  --ink-2: #0d1d45;
  --ink-3: #172c5a;
  --paper: #f6f8fc;
  --paper-2: #edf2fb;
  --white: #ffffff;
  --text: #16213c;
  --muted: #5e6b86;
  --line: #d9e0ee;
  --cyan: #55d7ee;
  --cyan-dark: #066b7e;
  --violet: #7f77f1;
  --coral: #ff806d;
  --green: #38b99b;
  --radius-sm: 12px;
  --radius: 22px;
  --radius-lg: 34px;
  --shadow: 0 22px 60px rgba(15, 35, 75, 0.12);
  --shell: 1180px;
  --font: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::selection {
  color: var(--white);
  background: var(--cyan-dark);
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

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

h1,
h2,
h3,
strong {
  letter-spacing: -0.035em;
}

h1,
h2,
h3 {
  line-height: 1.2;
}

.shell {
  width: min(calc(100% - 48px), var(--shell));
  margin-inline: auto;
}

.shell.narrow,
.narrow {
  max-width: 820px;
}

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

.skip-link {
  position: fixed;
  z-index: 200;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

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

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  color: var(--white);
  background: rgba(7, 18, 45, 0.93);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand > span:last-child {
  display: flex;
  flex-direction: column;
}

.brand strong {
  font-size: 21px;
  line-height: 1.05;
}

.brand small {
  margin-top: 5px;
  color: #9fb4dc;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.13em;
  line-height: 1;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  border-radius: 13px;
  box-shadow: 0 8px 26px rgba(85, 215, 238, 0.24);
}

.brand-mark span {
  position: relative;
  width: 18px;
  height: 14px;
  border: 2px solid var(--ink);
  border-radius: 4px;
}

.brand-mark span::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 6px;
  border-top: 3px solid transparent;
  border-bottom: 3px solid transparent;
  border-left: 5px solid var(--ink);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.primary-nav a {
  padding: 9px 13px;
  color: #c9d4ea;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease;
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
  color: var(--white);
  background: rgba(255, 255, 255, 0.09);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  color: inherit;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 11px;
}

.nav-toggle i {
  display: block;
  height: 2px;
  margin: 4px 0;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.home-hero {
  position: relative;
  min-height: 680px;
  display: grid;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.hero-media,
.hero-media::after {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-media::after {
  content: "";
  background: linear-gradient(90deg, rgba(7, 18, 45, 0.98) 0%, rgba(7, 18, 45, 0.9) 32%, rgba(7, 18, 45, 0.35) 62%, rgba(7, 18, 45, 0.16) 100%), linear-gradient(0deg, rgba(7, 18, 45, 0.55), transparent 50%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  padding-block: 110px 120px;
}

.hero-copy {
  max-width: 650px;
}

.eyebrow {
  margin-bottom: 18px;
  color: var(--cyan-dark);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.16em;
  line-height: 1.4;
}

.home-hero .eyebrow,
.section-ink .eyebrow,
.section-cta .eyebrow,
.external-panel .eyebrow {
  color: var(--cyan);
}

.hero-copy h1 {
  margin-bottom: 26px;
  font-size: clamp(45px, 6vw, 76px);
  line-height: 1.06;
}

.hero-copy h1 span {
  color: var(--cyan);
}

.hero-copy > p:not(.eyebrow):not(.hero-note) {
  max-width: 610px;
  margin-bottom: 32px;
  color: #d2def2;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.72;
  letter-spacing: -0.02em;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.button-row.center {
  justify-content: center;
}

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 21px;
  border: 1px solid transparent;
  border-radius: 13px;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.2;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--ink);
  background: linear-gradient(135deg, #74e7f4, #5bd2ef);
  box-shadow: 0 14px 36px rgba(85, 215, 238, 0.24);
}

.button-secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.22);
}

.button-dark {
  color: var(--white);
  background: var(--ink);
}

.button-outline {
  color: var(--ink);
  background: transparent;
  border-color: #aeb9cf;
}

.button-wide {
  width: 100%;
}

.hero-note {
  margin-top: 24px;
  margin-bottom: 0;
  color: #92a6cd;
  font-size: 13px;
  font-weight: 650;
}

.fact-strip {
  position: relative;
  z-index: 2;
  margin-top: -54px;
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 24px;
  background: var(--white);
  border: 1px solid rgba(14, 34, 73, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.fact-grid div {
  min-width: 0;
  padding: 5px 24px;
  border-right: 1px solid var(--line);
}

.fact-grid div:last-child {
  border-right: 0;
}

.fact-grid strong,
.fact-grid span {
  display: block;
}

.fact-grid strong {
  color: var(--ink);
  font-size: 22px;
  line-height: 1.3;
}

.fact-grid span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.section {
  padding-block: 112px;
}

.section-first {
  padding-top: 70px;
}

.section-soft {
  background: var(--paper-2);
}

.section-ink {
  color: var(--white);
  background: var(--ink);
}

.section-split {
  padding-top: 140px;
}

.split-grid,
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
  align-items: center;
  gap: clamp(48px, 7vw, 92px);
}

.section-copy h2,
.section-heading h2,
.section-faq h2,
.page-intro h1,
.prose-center h2 {
  margin-bottom: 22px;
  color: var(--ink);
  font-size: clamp(34px, 4.2vw, 54px);
}

.section-lead,
.lead {
  color: var(--muted);
  font-size: 19px;
  line-height: 1.82;
  letter-spacing: -0.018em;
}

.step-list {
  display: grid;
  gap: 17px;
  margin-top: 36px;
}

.step-list article {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: start;
}

.step-list article > span {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--cyan-dark);
  background: #dff7fb;
  border-radius: 13px;
  font-size: 13px;
  font-weight: 900;
}

.step-list h3,
.step-list p {
  margin-bottom: 4px;
}

.step-list h3 {
  color: var(--ink);
  font-size: 18px;
}

.step-list p {
  color: var(--muted);
  font-size: 15px;
}

.media-card {
  margin: 0;
  padding: 12px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.media-card img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 24px;
}

.media-card figcaption {
  padding: 13px 11px 4px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.media-card-flat {
  padding: 0;
  overflow: hidden;
}

.media-card-flat img {
  border-radius: inherit;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 42px;
}

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

.section-heading .eyebrow {
  margin-bottom: 12px;
}

.section-ink .section-heading h2 {
  color: var(--white);
}

.text-link {
  color: var(--cyan-dark);
  font-size: 14px;
  font-weight: 850;
}

.section-ink .text-link {
  color: var(--cyan);
}

.category-grid,
.method-grid,
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.category-card {
  position: relative;
  min-height: 248px;
  padding: 28px;
  background: var(--ink-2);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius);
  transition: transform 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}

.category-card:hover {
  transform: translateY(-5px);
  background: var(--ink-3);
  border-color: rgba(85, 215, 238, 0.42);
}

.category-number {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.category-card h3 {
  margin: 42px 0 12px;
  font-size: 24px;
}

.category-card p {
  margin-bottom: 0;
  color: #afbdd9;
  font-size: 14px;
}

.card-arrow {
  position: absolute;
  top: 24px;
  right: 25px;
  color: #7086b2;
  font-size: 20px;
}

.table-wrap {
  overflow-x: auto;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 14px 40px rgba(15, 35, 75, 0.06);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th,
td {
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

thead th {
  color: #53627f;
  background: #f0f4fa;
  font-size: 12px;
  letter-spacing: 0.06em;
}

tbody th {
  width: 20%;
  color: var(--ink);
  font-size: 15px;
}

tbody td {
  color: var(--muted);
  font-size: 14px;
}

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

.center-actions {
  margin-top: 30px;
  text-align: center;
}

.guide-feature {
  grid-template-columns: minmax(420px, 1fr) minmax(0, 0.92fr);
}

.link-stack {
  display: grid;
  margin-top: 32px;
  border-top: 1px solid #ccd5e5;
}

.link-stack a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 17px 2px;
  border-bottom: 1px solid #ccd5e5;
}

.link-stack span {
  color: var(--ink);
  font-weight: 820;
}

.link-stack small {
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

.method-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.method-grid article {
  padding: 27px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.method-grid article > span {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--cyan-dark);
  font-size: 12px;
  font-weight: 900;
}

.method-grid h3 {
  margin-bottom: 11px;
  color: var(--ink);
  font-size: 19px;
}

.method-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.section-faq {
  background: var(--white);
}

.section-faq > .shell > h2 {
  margin-bottom: 38px;
}

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

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

.faq-list summary {
  position: relative;
  padding: 24px 48px 24px 0;
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}

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

.faq-list summary span,
.faq-list summary span::after {
  position: absolute;
  display: block;
  width: 14px;
  height: 2px;
  background: var(--cyan-dark);
}

.faq-list summary span {
  top: 50%;
  right: 8px;
}

.faq-list summary span::after {
  content: "";
  transform: rotate(90deg);
  transition: transform 0.2s ease;
}

.faq-list details[open] summary span::after {
  transform: rotate(0);
}

.faq-list details p {
  max-width: 700px;
  margin-bottom: 26px;
  color: var(--muted);
}

.section-cta {
  color: var(--white);
  background: var(--ink);
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 42px;
  padding: 52px;
  background: linear-gradient(135deg, rgba(85, 215, 238, 0.1), rgba(127, 119, 241, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
}

.cta-panel h2 {
  margin-bottom: 12px;
  font-size: clamp(28px, 4vw, 45px);
}

.cta-panel p:last-child {
  margin-bottom: 0;
  color: #b8c5dd;
}

.cta-panel .button {
  flex: 0 0 auto;
}

.breadcrumbs {
  padding-top: 22px;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li {
  color: var(--muted);
  font-size: 12px;
}

.breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: #a8b1c4;
}

.breadcrumbs a:hover {
  color: var(--cyan-dark);
}

.page-intro {
  padding: 88px 0 78px;
  text-align: center;
  background: radial-gradient(circle at 50% 0%, rgba(85, 215, 238, 0.17), transparent 38%), var(--paper);
  border-bottom: 1px solid var(--line);
}

.page-intro h1 {
  margin-bottom: 25px;
  font-size: clamp(42px, 5vw, 66px);
}

.page-intro .lead {
  max-width: 760px;
  margin: 0 auto;
}

.review-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 24px 0 0;
  color: #596781;
  font-size: 12px;
  font-weight: 700;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(56, 185, 155, 0.12);
}

.content-grid {
  grid-template-columns: minmax(0, 1fr) 310px;
  align-items: start;
  gap: 70px;
}

.content-main > h2,
.prose > section > h2,
.policy-prose h2 {
  margin: 60px 0 18px;
  color: var(--ink);
  font-size: clamp(27px, 3vw, 36px);
}

.content-main > h2:first-child,
.prose > section:first-of-type > h2,
.policy-prose h2:first-child {
  margin-top: 0;
}

.content-main > p,
.prose p,
.policy-prose p {
  color: var(--muted);
  font-size: 17px;
}

.domain-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0 28px;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.domain-card div {
  min-height: 116px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 22px;
  background: var(--white);
}

.domain-card span {
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
}

.domain-card strong,
.domain-card code,
.domain-card time {
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 850;
  overflow-wrap: anywhere;
}

.check-steps {
  display: grid;
  gap: 13px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.check-steps li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 17px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 17px;
}

.check-steps li > span {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: var(--cyan-dark);
  background: #e1f7fb;
  border-radius: 14px;
  font-size: 13px;
  font-weight: 900;
}

.check-steps h3 {
  margin: 1px 0 4px;
  color: var(--ink);
  font-size: 18px;
}

.check-steps p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.external-panel {
  margin-top: 64px;
  padding: 36px;
  color: var(--white);
  background: var(--ink);
  border-radius: var(--radius);
}

.external-panel h2 {
  margin: 0 0 15px;
  color: var(--white);
  font-size: 29px;
}

.external-panel p:not(.eyebrow) {
  margin-bottom: 24px;
  color: #bdc9de;
  font-size: 14px;
}

.external-panel strong {
  color: var(--white);
}

.aside-card {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 14px 42px rgba(15, 35, 75, 0.07);
}

.sticky-card {
  position: sticky;
  top: 106px;
}

.aside-card h2 {
  margin-bottom: 21px;
  color: var(--ink);
  font-size: 24px;
}

.tick-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.tick-list li {
  position: relative;
  padding: 8px 0 8px 27px;
  color: var(--muted);
  font-size: 14px;
}

.tick-list li::before {
  content: "";
  position: absolute;
  top: 16px;
  left: 2px;
  width: 10px;
  height: 6px;
  border-bottom: 2px solid var(--green);
  border-left: 2px solid var(--green);
  transform: rotate(-45deg);
}

.aside-card .text-link {
  display: inline-block;
  margin-top: 22px;
}

.intro-visual {
  grid-template-columns: minmax(0, 0.9fr) minmax(400px, 1.1fr);
}

.anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 30px;
}

.anchor-nav a {
  padding: 9px 13px;
  color: var(--ink-3);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.anchor-nav a:hover {
  color: var(--cyan-dark);
  border-color: #87d8e4;
}

.category-detail-list {
  display: grid;
  gap: 22px;
}

.category-detail {
  padding: 42px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  scroll-margin-top: 100px;
}

.category-detail-heading {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 24px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.category-detail-heading > span {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  color: var(--cyan-dark);
  background: #e3f8fb;
  border-radius: 17px;
  font-size: 13px;
  font-weight: 900;
}

.category-detail-heading h2 {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 29px;
}

.category-detail-heading p,
.category-detail-body p {
  margin-bottom: 0;
  color: var(--muted);
}

.category-detail-body {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 42px;
  padding-top: 27px;
}

.category-detail-body h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 16px;
}

.category-detail-body p,
.category-detail-body .tick-list li {
  font-size: 14px;
}

.prose-center {
  text-align: center;
}

.prose-center p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
}

.prose-center .button-row {
  margin-top: 32px;
}

.large-list {
  display: grid;
  gap: 13px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.large-list li {
  position: relative;
  padding: 14px 16px 14px 50px;
  color: var(--ink-3);
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid rgba(13, 29, 69, 0.08);
  border-radius: 13px;
  font-weight: 750;
}

.large-list li::before {
  content: "";
  position: absolute;
  top: 17px;
  left: 18px;
  width: 17px;
  height: 17px;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  border-radius: 5px;
}

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

.guide-card {
  position: relative;
  min-height: 300px;
  padding: 34px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.guide-tag {
  display: inline-flex;
  padding: 6px 10px;
  color: var(--cyan-dark);
  background: #e2f8fb;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 850;
}

.guide-number {
  position: absolute;
  top: 28px;
  right: 30px;
  color: #d1d9e8;
  font-size: 28px;
  font-weight: 900;
}

.guide-card h2 {
  margin: 50px 0 15px;
  color: var(--ink);
  font-size: 27px;
}

.guide-card > p:not(.guide-number) {
  margin-bottom: 24px;
  color: var(--muted);
}

.article-layout {
  padding-bottom: 130px;
}

.article-intro {
  margin-bottom: 58px;
  padding: 30px;
  color: var(--ink-3) !important;
  background: var(--white);
  border-left: 4px solid var(--cyan-dark);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 18px !important;
}

.prose > section {
  margin-bottom: 58px;
}

.prose > section > h2 {
  margin-top: 0;
}

.prose > section .tick-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 23px;
}

.prose > section .tick-list li {
  padding: 15px 14px 15px 39px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 12px;
}

.prose > section .tick-list li::before {
  top: 21px;
  left: 17px;
}

.takeaway {
  margin-top: 72px;
  padding: 38px;
  color: var(--white);
  background: var(--ink);
  border-radius: var(--radius);
}

.takeaway .eyebrow {
  color: var(--cyan);
}

.takeaway h2 {
  margin: 0 0 14px;
  color: var(--white);
  font-size: 30px;
}

.takeaway p:last-child {
  margin-bottom: 0;
  color: #c2cee2;
}

.aside-links {
  display: grid;
  margin-bottom: 24px;
  border-top: 1px solid var(--line);
}

.aside-links a {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  font-weight: 750;
}

.aside-links a:hover {
  color: var(--cyan-dark);
}

.notice-box {
  margin-top: 46px;
  padding: 28px;
  background: #e5f5f8;
  border: 1px solid #b9e4eb;
  border-radius: var(--radius-sm);
}

.notice-box strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
}

.notice-box p {
  margin-bottom: 0;
  font-size: 14px;
}

.policy-prose > section {
  position: relative;
  padding: 0 0 44px 72px;
  margin-bottom: 44px;
  border-bottom: 1px solid var(--line);
}

.policy-prose > section h2 {
  margin-top: 0;
}

.policy-number {
  position: absolute;
  top: 4px;
  left: 0;
  color: var(--cyan-dark);
  font-size: 14px;
  font-weight: 900;
}

.site-footer {
  padding: 78px 0 25px;
  color: #bdc9df;
  background: #040b1d;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr 0.65fr 0.65fr;
  gap: 70px;
}

.footer-brand {
  margin-bottom: 22px;
  color: var(--white);
}

.footer-grid > div:first-child > p {
  max-width: 510px;
  color: #8fa0c0;
  font-size: 13px;
}

.footer-grid h2 {
  margin: 7px 0 18px;
  color: var(--white);
  font-size: 14px;
}

.footer-grid > div:not(:first-child) a {
  display: block;
  margin: 9px 0;
  color: #9facc6;
  font-size: 13px;
}

.footer-grid a:hover {
  color: var(--cyan);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 55px;
  padding-top: 23px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.footer-bottom p {
  margin-bottom: 0;
  color: #7181a1;
  font-size: 11px;
}

.not-found {
  min-height: 68vh;
  display: grid;
  place-items: center;
  padding: 90px 0;
  text-align: center;
}

.error-code {
  margin-bottom: 3px;
  color: var(--cyan-dark);
  font-size: 90px;
  font-weight: 900;
  line-height: 1;
}

.not-found h1 {
  margin-bottom: 18px;
  color: var(--ink);
  font-size: 42px;
}

.not-found p:not(.error-code) {
  color: var(--muted);
}

.not-found .button-row {
  margin-top: 28px;
}

@media (max-width: 980px) {
  .primary-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 24px;
    left: 24px;
    display: none;
    padding: 12px;
    background: #0a1735;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0 0 16px 16px;
    box-shadow: var(--shadow);
  }

  .primary-nav[data-open="true"] {
    display: grid;
  }

  .primary-nav a {
    padding: 12px 14px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-toggle[aria-expanded="true"] i:nth-of-type(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] i:nth-of-type(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] i:nth-of-type(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .home-hero {
    min-height: 640px;
  }

  .hero-media img {
    object-position: 64% center;
  }

  .hero-media::after {
    background: linear-gradient(90deg, rgba(7, 18, 45, 0.98) 0%, rgba(7, 18, 45, 0.82) 55%, rgba(7, 18, 45, 0.34) 100%);
  }

  .hero-copy {
    max-width: 590px;
  }

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

  .fact-grid div:nth-child(2) {
    border-right: 0;
  }

  .fact-grid div:nth-child(-n+2) {
    padding-bottom: 18px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--line);
  }

  .split-grid,
  .intro-visual,
  .guide-feature {
    grid-template-columns: 1fr;
  }

  .section-split .section-copy {
    order: 1;
  }

  .section-split .media-card {
    order: 0;
  }

  .media-card {
    max-width: 690px;
    margin-inline: auto;
  }

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

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

  .content-grid {
    grid-template-columns: 1fr;
    gap: 55px;
  }

  .content-aside {
    max-width: 620px;
  }

  .sticky-card {
    position: static;
  }

  .footer-grid {
    grid-template-columns: 1.3fr 0.7fr 0.7fr;
    gap: 35px;
  }
}

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

  .shell {
    width: min(calc(100% - 32px), var(--shell));
  }

  .header-inner {
    min-height: 68px;
  }

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

  .brand small {
    font-size: 7px;
  }

  .brand-mark {
    width: 37px;
    height: 37px;
    border-radius: 11px;
  }

  .primary-nav {
    right: 16px;
    left: 16px;
  }

  .home-hero {
    min-height: 630px;
  }

  .hero-inner {
    align-items: end;
    padding: 100px 0 82px;
  }

  .hero-media img {
    object-position: 72% center;
    opacity: 0.72;
  }

  .hero-media::after {
    background: linear-gradient(0deg, rgba(7, 18, 45, 1) 7%, rgba(7, 18, 45, 0.84) 58%, rgba(7, 18, 45, 0.34) 100%);
  }

  .hero-copy h1 {
    font-size: clamp(39px, 12vw, 54px);
  }

  .hero-copy > p:not(.eyebrow):not(.hero-note) {
    font-size: 17px;
  }

  .button-row .button {
    width: 100%;
  }

  .fact-strip {
    margin-top: 0;
    padding-top: 16px;
    background: var(--ink);
  }

  .fact-grid {
    padding: 20px 14px;
  }

  .fact-grid div {
    padding-inline: 14px;
  }

  .fact-grid strong {
    font-size: 18px;
  }

  .section,
  .section-split {
    padding-block: 78px;
  }

  .section-first {
    padding-top: 54px;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
    margin-bottom: 30px;
  }

  .section-copy h2,
  .section-heading h2,
  .section-faq h2,
  .prose-center h2 {
    font-size: 34px;
  }

  .section-lead,
  .lead {
    font-size: 17px;
  }

  .category-grid,
  .method-grid,
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .category-card {
    min-height: 220px;
  }

  .method-grid article {
    padding: 25px;
  }

  .method-grid article > span {
    margin-bottom: 20px;
  }

  th,
  td {
    min-width: 150px;
    padding: 17px;
  }

  .cta-panel {
    align-items: stretch;
    flex-direction: column;
    padding: 32px 26px;
  }

  .page-intro {
    padding: 65px 0 58px;
  }

  .page-intro h1 {
    font-size: 40px;
  }

  .domain-card {
    grid-template-columns: 1fr;
  }

  .check-steps li {
    grid-template-columns: 40px 1fr;
    padding: 18px;
  }

  .check-steps li > span {
    width: 40px;
    height: 40px;
  }

  .external-panel {
    padding: 28px 22px;
  }

  .category-detail {
    padding: 27px 22px;
  }

  .category-detail-heading {
    grid-template-columns: 46px 1fr;
    gap: 16px;
  }

  .category-detail-heading > span {
    width: 46px;
    height: 46px;
    border-radius: 13px;
  }

  .category-detail-heading h2 {
    font-size: 24px;
  }

  .category-detail-body {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .guide-card {
    min-height: 275px;
    padding: 28px;
  }

  .prose > section .tick-list {
    grid-template-columns: 1fr;
  }

  .article-intro,
  .takeaway {
    padding: 25px;
  }

  .policy-prose > section {
    padding-left: 48px;
  }

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

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

  .footer-bottom {
    align-items: start;
    flex-direction: column;
    gap: 8px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}