:root {
  color-scheme: dark;
  --brand: #84cc16;
  --brand-light: #bef264;
  --surface: #111;
  --muted: #a3a3a3;
  --border: rgba(255, 255, 255, 0.11);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: #000;
  color: #e5e5e5;
  font-family: Pretendard, "Noto Sans KR", "Malgun Gothic", sans-serif;
  line-height: 1.75;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
  max-width: 100%;
}
h1,
h2,
h3,
b,
strong {
  letter-spacing: -0.035em;
}
h1,
h2 {
  font-weight: 900;
  line-height: 1.15;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.86);
  backdrop-filter: blur(18px);
}
.nav-wrap {
  max-width: 1280px;
  height: 80px;
  margin: auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
}
.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(132, 204, 22, 0.38);
  border-radius: 13px;
  background: rgba(132, 204, 22, 0.12);
  color: var(--brand-light);
  font-size: 12px;
  font-weight: 900;
}
.brand strong,
.brand small {
  display: block;
}
.brand strong {
  font-size: 16px;
  color: #fff;
}
.brand small {
  font-size: 9px;
  color: #737373;
  letter-spacing: 0.1em;
}
.nav-wrap nav {
  display: flex;
  gap: 24px;
}
.nav-wrap nav a {
  font-size: 13px;
  font-weight: 750;
  color: #a3a3a3;
  transition: 0.2s;
}
.nav-wrap nav a:hover,
.nav-wrap nav a[aria-current="page"] {
  color: var(--brand-light);
}
.phone {
  padding: 11px 18px;
  border-radius: 999px;
  background: var(--brand);
  color: #090909;
  font-size: 13px;
  font-weight: 900;
}
.eyebrow {
  color: var(--brand-light);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
}
.resource-hero {
  min-height: 500px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(
      circle at 72% 30%,
      rgba(132, 204, 22, 0.15),
      transparent 25%
    ),
    linear-gradient(rgba(0, 0, 0, 0.28), #000),
    url("../images/blog/base/diagnostic.webp") right center/cover no-repeat;
  display: grid;
  align-items: end;
}
.resource-hero > div {
  width: min(1280px, 100%);
  margin: auto;
  padding: 110px 24px 80px;
}
.resource-hero h1 {
  margin: 14px 0 18px;
  font-size: clamp(48px, 8vw, 92px);
  color: #fff;
}
.resource-hero p {
  max-width: 730px;
  margin: 0;
  color: #b9b9b9;
  font-size: 18px;
}
.hero-stats {
  display: flex;
  gap: 30px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.hero-stats span {
  color: #a3a3a3;
  font-size: 13px;
}
.hero-stats b {
  margin-right: 7px;
  color: #fff;
  font-size: 24px;
}
.resources-section {
  max-width: 1280px;
  margin: auto;
  padding: 100px 24px 120px;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 32px;
  margin-bottom: 36px;
}
.section-head h2 {
  margin: 10px 0 0;
  color: #fff;
  font-size: clamp(30px, 4vw, 48px);
}
.section-head > p {
  max-width: 480px;
  margin: 0;
  color: #777;
  font-size: 13px;
}
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.resource-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 26px;
  background: linear-gradient(145deg, #151515, #0d0d0d);
  transition:
    transform 0.25s,
    border-color 0.25s;
}
.resource-card:hover {
  transform: translateY(-5px);
  border-color: rgba(132, 204, 22, 0.48);
}
.resource-card > a {
  display: block;
  overflow: hidden;
  aspect-ratio: 16/9;
}
.resource-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.resource-card:hover img {
  transform: scale(1.035);
}
.card-body {
  padding: 24px;
}
.card-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #737373;
  font-size: 11px;
}
.card-meta span {
  color: var(--brand-light);
  font-weight: 900;
}
.resource-card h2 {
  min-height: 58px;
  margin: 12px 0 10px;
  color: #fff;
  font-size: 21px;
}
.resource-card p {
  min-height: 68px;
  margin: 0;
  color: #858585;
  font-size: 13px;
  line-height: 1.75;
}
.read-link {
  display: inline-flex;
  margin-top: 20px;
  color: var(--brand-light);
  font-size: 13px;
  font-weight: 900;
}
.pagination {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 14px;
  margin-top: 52px;
}
.pagination > div {
  display: flex;
  justify-content: center;
  gap: 7px;
  flex-wrap: wrap;
  max-width: 820px;
}
.pagination a,
.pagination span {
  display: grid;
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: #a3a3a3;
  font-size: 12px;
  font-weight: 800;
}
.pagination .ellipsis {
  min-width: 20px;
  padding: 0;
  border: 0;
}
.pagination span[aria-current="page"] {
  border-color: var(--brand);
  background: var(--brand);
  color: #050505;
}
.pagination a:hover {
  border-color: rgba(132, 204, 22, 0.5);
  color: #fff;
}
.pagination .pager {
  min-width: 66px;
}
.pagination a[aria-disabled="true"] {
  pointer-events: none;
  opacity: 0.35;
}
.article-shell {
  max-width: 1040px;
  margin: auto;
  padding: 54px 24px 120px;
}
.breadcrumb {
  display: flex;
  gap: 10px;
  color: #686868;
  font-size: 12px;
}
.breadcrumb a:hover {
  color: var(--brand-light);
}
.article-header {
  padding: 64px 0 42px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.article-header h1 {
  max-width: 950px;
  margin: 16px 0 24px;
  color: #fff;
  font-size: clamp(39px, 6vw, 68px);
}
.lead {
  max-width: 900px;
  margin: 0;
  color: #c7c7c7;
  font-size: 19px;
  line-height: 1.8;
}
.lead strong {
  color: var(--brand-light);
}
.byline {
  display: flex;
  gap: 16px;
  margin-top: 28px;
  color: #737373;
  font-size: 12px;
}
.hero-media {
  margin: 42px 0;
}
.hero-media img {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 28px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
}
.hero-media figcaption {
  margin-top: 10px;
  color: #666;
  font-size: 11px;
  text-align: center;
}
.summary {
  margin: 42px 0;
  padding: 30px 34px;
  border: 1px solid rgba(132, 204, 22, 0.32);
  border-radius: 22px;
  background: rgba(132, 204, 22, 0.08);
}
.summary > b {
  color: var(--brand-light);
  font-size: 15px;
}
.summary ol {
  margin: 12px 0 0;
  padding-left: 22px;
  color: #d2d2d2;
}
.article-body {
  max-width: 820px;
  margin: auto;
  font-size: 17px;
}
.article-body h2 {
  margin: 80px 0 20px;
  color: #fff;
  font-size: clamp(29px, 4vw, 42px);
}
.article-body h3 {
  color: #fff;
}
.article-body p {
  margin: 0 0 22px;
  color: #b3b3b3;
}
.article-body strong {
  color: #f5f5f5;
}
.article-body ol,
.article-body ul {
  padding-left: 24px;
  color: #b3b3b3;
}
.article-body li {
  margin: 10px 0;
}
.article-body table {
  display: table;
  width: 100%;
  margin: 30px 0;
  border-collapse: collapse;
  border: 1px solid var(--border);
  font-size: 14px;
}
.article-body caption {
  padding: 14px;
  border: 1px solid var(--border);
  border-bottom: 0;
  background: #171717;
  color: #fff;
  text-align: left;
  font-weight: 900;
}
.article-body th,
.article-body td {
  padding: 14px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.article-body th {
  color: #e5e5e5;
}
.article-body td {
  color: #999;
}
.citation,
.note {
  display: grid;
  gap: 7px;
  margin: 32px 0;
  padding: 24px 26px;
  border-left: 3px solid var(--brand);
  border-radius: 0 16px 16px 0;
  background: #111;
}
.citation b,
.note strong {
  color: var(--brand-light);
}
.citation p,
.note span {
  margin: 0;
  color: #c4c4c4;
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 30px 0;
}
.steps article {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 17px;
  background: #111;
}
.steps b {
  color: var(--brand);
}
.steps h3 {
  margin: 8px 0;
}
.steps p {
  margin: 0;
  font-size: 13px;
}
.checklist {
  list-style: "✓  ";
}
.checklist li::marker {
  color: var(--brand);
}
.faq-list {
  border-top: 1px solid var(--border);
}
.faq-list details {
  border-bottom: 1px solid var(--border);
}
.faq-list summary {
  padding: 21px 0;
  color: #fff;
  font-weight: 850;
  cursor: pointer;
}
.faq-list details p {
  padding: 0 0 22px;
}
.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin: 70px 0 30px;
  padding: 30px;
  border-radius: 22px;
  background: linear-gradient(120deg, #84cc16, #4d7c0f);
  color: #071000;
}
.cta b {
  font-size: 21px;
}
.cta p {
  margin: 5px 0 0;
  color: rgba(0, 0, 0, 0.72);
  font-size: 13px;
}
.cta a {
  flex: none;
  padding: 13px 18px;
  border-radius: 999px;
  background: #050505;
  color: #fff;
  font-size: 13px;
  font-weight: 900;
}
.sources {
  padding: 0 !important;
  list-style: none;
}
.sources li {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.sources a {
  display: block;
  color: var(--brand-light);
  font-weight: 800;
}
.sources span {
  display: block;
  margin-top: 5px;
  color: #777;
  font-size: 12px;
}
.related {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 60px;
}
.related a {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #111;
}
.related span {
  display: block;
  color: #777;
  font-size: 11px;
}
.related b {
  display: block;
  margin-top: 6px;
  color: #fff;
}
.disclaimer {
  margin-top: 34px !important;
  color: #666 !important;
  font-size: 12px;
}
footer {
  border-top: 1px solid var(--border);
  background: #080808;
}
.footer-grid {
  max-width: 1280px;
  margin: auto;
  padding: 62px 24px 38px;
  display: grid;
  grid-template-columns: 1.2fr 0.7fr 1.1fr;
  gap: 40px;
}
.footer-grid strong {
  color: #fff;
  font-size: 20px;
}
.footer-grid b {
  color: #fff;
}
.footer-grid p {
  color: #737373;
  font-size: 12px;
}
.copyright {
  max-width: 1280px;
  margin: auto;
  padding: 20px 24px 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: #535353;
  font-size: 11px;
}
@media (max-width: 1000px) {
  .nav-wrap nav {
    display: none;
  }
  .resource-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 700px) {
  .nav-wrap {
    height: 70px;
    padding: 0 16px;
  }
  .brand strong {
    font-size: 13px;
  }
  .phone {
    font-size: 0;
    padding: 10px 13px;
  }
  .phone::after {
    content: "전화";
    font-size: 12px;
  }
  .resource-hero {
    min-height: 430px;
  }
  .resource-hero > div {
    padding: 90px 16px 55px;
  }
  .resource-hero p {
    font-size: 15px;
  }
  .resources-section,
  .article-shell {
    padding-left: 16px;
    padding-right: 16px;
  }
  .section-head {
    display: block;
  }
  .section-head > p {
    margin-top: 15px;
  }
  .resource-grid {
    grid-template-columns: 1fr;
  }
  .resource-card h2,
  .resource-card p {
    min-height: 0;
  }
  .pagination {
    align-items: center;
  }
  .pagination > div {
    max-height: 84px;
    overflow: auto;
  }
  .pagination a,
  .pagination span {
    min-width: 34px;
    height: 34px;
  }
  .article-header {
    padding-top: 44px;
  }
  .article-header h1 {
    font-size: 38px;
  }
  .lead {
    font-size: 16px;
  }
  .byline {
    flex-wrap: wrap;
  }
  .summary {
    padding: 24px;
  }
  .article-body {
    font-size: 16px;
  }
  .article-body table {
    display: block;
    overflow-x: auto;
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .cta {
    display: block;
  }
  .cta a {
    display: inline-block;
    margin-top: 18px;
  }
  .related {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    gap: 18px;
  }
}