:root {
  --main: #2f6f62;
  --main-dark: #214f46;
  --sub: #d99a2b;
  --ink: #1f2933;
  --muted: #667085;
  --line: #d9e2e7;
  --soft: #f5f8f7;
  --paper: #ffffff;
  --accent-blue: #3662a3;
  --accent-violet: #6a5f94;
  --danger: #9a4b42;
  --shadow: 0 18px 40px rgba(32, 45, 54, 0.08);
  font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
}

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

a:hover {
  color: var(--main);
}

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

h1,
h2,
h3 {
  line-height: 1.25;
  letter-spacing: 0;
  margin: 0 0 14px;
}

p {
  margin: 0 0 16px;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--ink);
  color: #fff;
  padding: 8px 12px;
  z-index: 20;
}

.skip-link:focus {
  top: 12px;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.narrow {
  width: min(820px, calc(100% - 32px));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand-mark,
.avatar {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--main);
  color: #fff;
  font-weight: 800;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: #334155;
  font-size: 15px;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 8px 12px;
}

.hero {
  background:
    linear-gradient(90deg, rgba(47, 111, 98, 0.08), rgba(217, 154, 43, 0.08)),
    #fff;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  min-height: 520px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
  gap: 44px;
  align-items: center;
  padding: 72px 0;
}

.hero h1 {
  font-size: clamp(42px, 7vw, 76px);
}

.hero p {
  max-width: 680px;
  font-size: 19px;
  color: #43505d;
}

.hero-actions,
.cta-inner,
.admin-inline {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 9px 15px;
  font-weight: 700;
  cursor: pointer;
}

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

.button.danger {
  color: #fff;
  background: var(--danger);
  border-color: var(--danger);
}

.visual-board {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.visual-board div {
  min-height: 92px;
  border: 1px solid var(--line);
  border-left: 8px solid var(--main);
  border-radius: 8px;
  padding: 18px;
  background: var(--soft);
}

.visual-board div:nth-child(2) {
  border-left-color: var(--sub);
}

.visual-board div:nth-child(3) {
  border-left-color: var(--accent-blue);
}

.visual-board strong,
.visual-board span {
  display: block;
}

.visual-board span {
  color: var(--muted);
  font-size: 14px;
}

.ad-slot {
  display: block;
  width: 100%;
  min-height: 96px;
  margin: 28px auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfc;
  overflow: hidden;
}

.ad-slot > span {
  display: block;
  padding: 6px 10px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.ad-slot--wide {
  max-width: 970px;
}

.ad-slot--grid {
  grid-column: 1 / -1;
}

.section,
.page-hero {
  padding: 64px 0;
}

.page-hero {
  background: var(--soft);
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  font-size: clamp(32px, 5vw, 52px);
}

.page-hero p {
  color: var(--muted);
  font-size: 18px;
}

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

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.section-heading p {
  max-width: 560px;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 18px;
}

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

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

.content-card,
.category-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 22px;
  min-height: 210px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.content-card:hover,
.category-card:hover {
  box-shadow: var(--shadow);
}

.content-card h3,
.category-card h3,
.category-card h2 {
  font-size: 21px;
}

.content-card p,
.category-card p {
  color: var(--muted);
}

.content-card.compact {
  min-height: auto;
}

.category-card > span {
  display: block;
  width: 46px;
  height: 6px;
  border-radius: 999px;
  background: var(--category-color, var(--main));
  margin-bottom: 18px;
}

.pill {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border-radius: 999px;
  padding: 4px 10px;
  background: #e7f2ef;
  color: var(--main-dark);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
}

.pill.muted {
  background: #fff3df;
  color: #7a4a13;
}

.meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 14px;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 34px;
  align-items: start;
}

.stack {
  display: grid;
  gap: 14px;
}

.principles {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
  background: #fff;
}

.editor-box,
.author-profile {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 22px;
  margin-top: 30px;
}

.avatar.large {
  width: 70px;
  height: 70px;
  font-size: 24px;
}

.eyebrow {
  color: var(--main);
  font-weight: 800;
  font-size: 14px;
  margin-bottom: 10px;
}

.check-list,
.warning-list {
  padding-left: 20px;
  margin: 0;
}

.check-list li,
.warning-list li {
  margin-bottom: 8px;
}

.warning-list li::marker {
  color: var(--danger);
}

.cta-band {
  background: var(--main-dark);
  color: #fff;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.78);
}

.cta-inner {
  justify-content: space-between;
}

.site-footer {
  padding: 44px 0;
  border-top: 1px solid var(--line);
  background: #172620;
  color: #e8f0ed;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
}

.site-footer p {
  color: #bdccc7;
  max-width: 680px;
}

.site-footer nav {
  display: grid;
  gap: 8px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 26px;
}

.article {
  padding: 48px 0 72px;
}

.article-header h1 {
  font-size: clamp(34px, 5vw, 54px);
}

.article-header p {
  color: #43505d;
  font-size: 18px;
}

.toc,
.summary-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  margin: 28px 0;
  background: var(--soft);
}

.toc {
  display: grid;
  gap: 8px;
}

.summary-box ul {
  margin-bottom: 0;
}

.article-section {
  margin-top: 38px;
}

.article-section h2 {
  font-size: 28px;
}

.article-section p {
  font-size: 17px;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 10px;
  background: #fff;
}

.faq summary {
  cursor: pointer;
  font-weight: 800;
}

.page-content section {
  margin-bottom: 34px;
}

.contact-form {
  display: grid;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: var(--soft);
}

label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
  background: #fff;
}

.sitemap-list {
  display: grid;
  gap: 10px;
}

.sitemap-list a {
  border-bottom: 1px solid var(--line);
  padding: 10px 0;
}

.admin-page-shell {
  min-height: calc(100vh - 72px);
  background: #f1f5f4;
}

.admin-root {
  min-height: inherit;
}

.admin-login {
  width: min(520px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0;
}

.notice {
  border: 1px solid #e3c47f;
  border-radius: 8px;
  background: #fff8e8;
  padding: 14px;
  color: #6d4b10;
}

.admin-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  min-height: calc(100vh - 72px);
}

.admin-sidebar {
  background: #1f2933;
  color: #e6edf3;
  padding: 22px;
}

.admin-sidebar h2 {
  font-size: 20px;
}

.admin-sidebar nav {
  display: grid;
  gap: 8px;
}

.admin-sidebar button {
  width: 100%;
  text-align: left;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: inherit;
  padding: 10px 12px;
  font: inherit;
  cursor: pointer;
}

.admin-sidebar button.is-active,
.admin-sidebar button:hover {
  background: rgba(255, 255, 255, 0.12);
}

.admin-main {
  padding: 28px;
  overflow: auto;
}

.admin-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 22px;
  margin-bottom: 18px;
}

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

.stat-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: #fff;
}

.stat-card strong {
  display: block;
  font-size: 30px;
}

.admin-list {
  display: grid;
  gap: 12px;
}

.admin-list-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.admin-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.editor-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.editor-form .full {
  grid-column: 1 / -1;
}

.preview-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: var(--soft);
  margin-top: 16px;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 16px;
    right: 16px;
    top: 72px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    padding: 12px;
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav.is-open {
    display: flex;
  }

  .hero-grid,
  .two-column,
  .footer-grid,
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: auto;
    padding: 48px 0;
  }

  .card-grid,
  .categories-grid,
  .related-grid,
  .stats-grid,
  .editor-form {
    grid-template-columns: 1fr;
  }

  .section-heading {
    display: block;
  }

  .admin-sidebar {
    position: static;
  }
}

@media (max-width: 560px) {
  .container,
  .narrow {
    width: min(100% - 24px, 1120px);
  }

  .brand small {
    display: none;
  }

  .content-card,
  .category-card,
  .principles,
  .editor-box,
  .author-profile {
    padding: 18px;
  }

  .editor-box,
  .author-profile {
    grid-template-columns: 1fr;
  }

  .admin-list-item {
    grid-template-columns: 1fr;
  }
}