:root {
  --ink: #18212b;
  --muted: #61707b;
  --line: #d7e1df;
  --paper: #f3f6f2;
  --surface: #ffffff;
  --green: #116149;
  --teal: #116f7a;
  --coral: #c95f45;
  --gold: #b4872a;
  --blue: #233d63;
  --shadow: 0 18px 40px rgba(24, 33, 43, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(243, 246, 242, 0.96) 360px),
    var(--paper);
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  line-height: 1.7;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 52px);
  border-bottom: 1px solid rgba(216, 224, 230, 0.9);
  background: rgba(243, 246, 242, 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--green));
  font-size: 13px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
}

.nav a:hover,
.site-footer a:hover,
.feature-card a:hover {
  color: var(--green);
}

.hero {
  min-height: 560px;
  display: grid;
  align-items: end;
  padding: 90px clamp(18px, 4vw, 52px) 56px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(14, 31, 44, 0.95), rgba(17, 75, 78, 0.76), rgba(27, 73, 90, 0.32)),
    url("/assets/hero-workspace.svg") center / cover no-repeat;
}

.hero-desk {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 410px);
  gap: clamp(24px, 5vw, 64px);
  align-items: center;
  min-height: 680px;
}

.hero-inner {
  max-width: 860px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #f6c078;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.12;
}

h2 {
  margin: 0;
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.28;
}

h3 {
  margin: 12px 0 8px;
  font-size: 21px;
  line-height: 1.35;
}

.hero-copy {
  max-width: 690px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 18px;
}

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

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 10px 18px;
  font-weight: 800;
}

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--coral), #a64735);
}

.button.secondary {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.52);
}

.section {
  max-width: 1160px;
  margin: 0 auto;
  padding: 68px clamp(18px, 4vw, 32px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 26px;
}

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

.feature-card {
  min-height: 260px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card-number {
  color: var(--gold);
  font-weight: 900;
}

.feature-card p {
  color: var(--muted);
}

.feature-card a {
  display: inline-flex;
  margin-top: 12px;
  color: var(--teal);
  font-weight: 800;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 34px;
  align-items: center;
}

.split p {
  color: var(--muted);
}

.check-panel {
  padding: 26px;
  border-left: 5px solid var(--green);
  background: #eef3ef;
}

.check-panel ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 22px;
  font-weight: 700;
}

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

.article-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  font-size: 18px;
  font-weight: 800;
}

.article-row time {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.quick-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.quick-strip a {
  display: grid;
  min-height: 86px;
  align-content: center;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 8px;
  padding: 14px;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  font-weight: 800;
}

.desk-console {
  align-self: end;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  padding: 22px;
  color: #fff;
  background: rgba(12, 26, 36, 0.62);
  box-shadow: 0 24px 55px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(18px);
}

.console-top,
.console-metric {
  display: grid;
  gap: 4px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.console-top span,
.console-metric span,
.console-list span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.console-top strong {
  font-size: 28px;
  line-height: 1.2;
}

.console-metric {
  margin-top: 18px;
}

.console-metric strong {
  color: #f2c879;
  font-size: 34px;
}

.console-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.console-list span {
  border-left: 3px solid #f2c879;
  padding: 8px 0 8px 12px;
  background: rgba(255, 255, 255, 0.06);
}

.workflow-band {
  max-width: none;
  background: #e8eee9;
}

.workflow-band .section-heading,
.workflow-rail {
  max-width: 1160px;
  margin-right: auto;
  margin-left: auto;
}

.workflow-rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.workflow-rail div {
  padding: 24px;
  background: #fff;
}

.workflow-rail span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.workflow-rail strong {
  display: block;
  margin-top: 8px;
  font-size: 22px;
}

.workflow-rail p {
  margin-bottom: 0;
  color: var(--muted);
}

.directory-table {
  display: grid;
  gap: 12px;
}

.directory-row {
  display: grid;
  grid-template-columns: minmax(130px, 0.85fr) minmax(0, 1.45fr) minmax(170px, 0.8fr);
  gap: 16px;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 8px 22px rgba(24, 33, 43, 0.05);
}

.directory-row strong {
  font-size: 18px;
}

.directory-row p {
  margin: 0;
  color: var(--muted);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.tag-list span {
  border-radius: 999px;
  padding: 4px 10px;
  color: var(--green);
  background: #eef3ef;
  font-size: 13px;
  font-weight: 800;
}

.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.small-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 12px;
  color: var(--teal);
  background: #fff;
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  padding: 34px clamp(18px, 4vw, 52px);
  border-top: 1px solid var(--line);
  background: #172026;
  color: #fff;
}

.site-footer p,
.site-footer nav {
  color: rgba(255, 255, 255, 0.72);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 64px clamp(18px, 4vw, 32px);
}

.page h1 {
  color: var(--ink);
  font-size: clamp(34px, 5vw, 54px);
}

.page-meta {
  margin: 16px 0 32px;
  color: var(--muted);
}

.content {
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.content h2 {
  margin-top: 40px;
  font-size: 28px;
}

.content p,
.content li {
  color: #36434d;
  font-size: 18px;
}

.content a {
  color: var(--teal);
  font-weight: 800;
}

.content ul,
.content ol {
  padding-left: 24px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.breadcrumb a {
  color: var(--teal);
}

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

.topic-card,
.policy-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.topic-card h2,
.policy-card h2 {
  margin: 0 0 8px;
  font-size: 22px;
}

.topic-card p,
.policy-card p {
  color: var(--muted);
}

.content .related-links {
  margin-top: 36px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.related-links h2 {
  margin-top: 0;
}

.related-links ul {
  margin-bottom: 0;
}

.note-box {
  margin: 30px 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

@media (max-width: 820px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: 620px;
    padding-top: 70px;
  }

  .feature-grid,
  .split,
  .hero-desk,
  .workflow-rail,
  .topic-grid,
  .policy-grid {
    grid-template-columns: 1fr;
  }

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

  .quick-strip,
  .directory-row {
    grid-template-columns: 1fr;
  }

  .inline-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .nav {
    gap: 10px 14px;
    font-size: 14px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  h1 {
    font-size: 36px;
  }
}