:root {
  --bg: #171512;
  --surface: #211e19;
  --surface-soft: #29241e;
  --paper: #f2eadc;
  --text: #f6f0e7;
  --muted: #b8aa96;
  --ink: #28221b;
  --ink-soft: #6b5e4e;
  --accent: #d7ae72;
  --accent-dark: #8b5d27;
  --line: #433a30;
  --green: #78917b;
  --max: 1120px;
  --radius: 22px;
  --serif: "Noto Serif KR", Georgia, serif;
  --sans: "Noto Sans KR", "Apple SD Gothic Neo", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 5%, rgba(215, 174, 114, 0.08), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.75;
  word-break: keep-all;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

.skip {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--paper);
  color: var(--ink);
}

.skip:focus {
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(23, 21, 18, 0.9);
  backdrop-filter: blur(16px);
}

.nav-wrap {
  width: min(var(--max), calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand-mark {
  position: relative;
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  border: 1px solid #786348;
  border-radius: 8px;
  background:
    linear-gradient(90deg, transparent 47%, #786348 48% 52%, transparent 53%),
    linear-gradient(transparent 47%, #786348 48% 52%, transparent 53%),
    #c9a66f;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.45);
}

.brand-mark::before {
  width: 11px;
  height: 11px;
  top: 5px;
  left: 5px;
  background: #171512;
}

.brand-mark::after {
  width: 10px;
  height: 10px;
  right: 5px;
  bottom: 5px;
  background: #f4efe8;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
}

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

.nav-play {
  padding: 8px 15px;
  border: 1px solid #7e6544;
  border-radius: 999px;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  min-height: 630px;
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(300px, 0.78fr);
  align-items: center;
  gap: 70px;
  padding: 88px 0 78px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 25px;
  height: 1px;
  background: currentColor;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  line-height: 1.35;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.7rem, 6vw, 5.4rem);
  font-weight: 700;
}

.hero-copy {
  max-width: 670px;
  margin: 25px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.12rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
  transition: 160ms ease;
}

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #211a12;
}

.button:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.hero-board {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid #493d30;
  border-radius: 36px;
  background:
    linear-gradient(90deg, transparent 49.6%, rgba(67, 48, 28, 0.8) 49.7% 50.3%, transparent 50.4%),
    linear-gradient(transparent 49.6%, rgba(67, 48, 28, 0.8) 49.7% 50.3%, transparent 50.4%),
    #bf9865;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
  transform: rotate(2deg);
}

.hero-board::before,
.hero-board::after {
  content: "";
  position: absolute;
  width: 27%;
  aspect-ratio: 1;
  border-radius: 50%;
  box-shadow: 0 12px 23px rgba(0, 0, 0, 0.38);
}

.hero-board::before {
  top: 23%;
  left: 23%;
  background: radial-gradient(circle at 34% 28%, #494949, #080808 60%);
}

.hero-board::after {
  right: 23%;
  bottom: 23%;
  background: radial-gradient(circle at 34% 28%, #fff, #cfcac2 75%);
}

.board-caption {
  position: absolute;
  right: -13px;
  bottom: 24px;
  z-index: 2;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #1d1a16;
  color: var(--muted);
  font-size: 0.76rem;
  transform: rotate(-2deg);
}

.section {
  padding: 88px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.section.paper {
  width: 100%;
  max-width: none;
  background: var(--paper);
  color: var(--ink);
  border: 0;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 30px;
  margin-bottom: 34px;
}

.section-heading h2 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.section-heading p {
  max-width: 430px;
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.paper .section-heading p,
.paper .muted {
  color: var(--ink-soft);
}

.feature-grid,
.article-grid,
.game-grid,
.value-grid {
  display: grid;
  gap: 16px;
}

.feature-grid {
  grid-template-columns: repeat(3, 1fr);
}

.feature {
  min-height: 245px;
  padding: 27px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.feature-number {
  color: var(--accent);
  font-family: var(--serif);
  font-size: 0.8rem;
}

.feature h3 {
  margin: 52px 0 12px;
  font-size: 1.35rem;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.91rem;
}

.article-grid {
  grid-template-columns: 1.2fr 0.8fr;
}

.article-card {
  display: flex;
  min-height: 285px;
  flex-direction: column;
  padding: 30px;
  border: 1px solid #d4c5b0;
  border-radius: var(--radius);
  background: #f8f2e8;
  color: var(--ink);
  text-decoration: none;
}

.article-card:first-child {
  background: #2d382f;
  color: var(--text);
  border-color: #465649;
}

.article-meta {
  display: flex;
  gap: 10px;
  color: #8b7154;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.article-card:first-child .article-meta,
.article-card:first-child p {
  color: #bfcabf;
}

.article-card h3 {
  max-width: 620px;
  margin: auto 0 10px;
  font-size: clamp(1.45rem, 3vw, 2.15rem);
}

.article-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.game-grid {
  grid-template-columns: repeat(3, 1fr);
}

.game-card {
  display: flex;
  min-height: 220px;
  flex-direction: column;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.game-card.featured {
  border-color: #7a6342;
  background: linear-gradient(145deg, #332b21, #211e19);
}

.game-kind {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.game-card h3 {
  margin: 13px 0 8px;
  font-size: 1.35rem;
}

.game-card p {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 0.87rem;
}

.game-links {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: auto;
}

.game-links a {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  text-underline-offset: 4px;
}

.note-panel {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 60px;
  align-items: start;
}

.note-panel h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.note-copy {
  color: var(--muted);
}

.note-copy p:first-child {
  margin-top: 0;
  color: var(--text);
  font-size: 1.08rem;
}

.text-link {
  color: var(--accent);
  font-weight: 700;
  text-underline-offset: 5px;
}

.page-hero {
  max-width: 840px;
  padding: 92px 0 64px;
}

.page-hero h1 {
  font-size: clamp(2.7rem, 7vw, 4.8rem);
}

.page-hero .hero-copy {
  max-width: 760px;
}

.prose-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 720px);
  gap: 72px;
  align-items: start;
  padding-bottom: 100px;
}

.toc {
  position: sticky;
  top: 104px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
}

.toc strong {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 0.8rem;
}

.toc a {
  display: block;
  padding: 5px 0;
  color: var(--muted);
  font-size: 0.84rem;
  text-decoration: none;
}

.prose {
  min-width: 0;
}

.prose section {
  scroll-margin-top: 105px;
  padding: 38px 0;
  border-top: 1px solid var(--line);
}

.prose section:first-child {
  padding-top: 0;
  border: 0;
}

.prose h2 {
  margin: 0 0 20px;
  font-size: clamp(1.7rem, 4vw, 2.45rem);
}

.prose h3 {
  margin: 30px 0 10px;
  font-size: 1.22rem;
}

.prose p,
.prose li {
  color: #c7bcad;
}

.prose strong {
  color: var(--text);
}

.prose blockquote {
  margin: 28px 0;
  padding: 18px 22px;
  border-left: 3px solid var(--accent);
  background: var(--surface);
  color: var(--text);
}

.prose blockquote p {
  margin: 0;
  color: var(--text);
}

.fact-table {
  width: 100%;
  border-collapse: collapse;
  margin: 25px 0;
  font-size: 0.9rem;
}

.fact-table th,
.fact-table td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.fact-table th {
  width: 28%;
  color: var(--accent);
}

.callout {
  margin: 30px 0;
  padding: 24px;
  border: 1px solid #5c4b34;
  border-radius: 16px;
  background: #282119;
}

.callout h3 {
  margin-top: 0;
}

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

.value-card {
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--surface);
}

.value-card h3 {
  margin: 0 0 10px;
}

.value-card p {
  margin: 0;
  color: var(--muted);
}

.privacy-note {
  color: var(--muted);
  font-size: 0.84rem;
}

.site-footer {
  padding: 45px 0;
  border-top: 1px solid var(--line);
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 25px;
}

.footer-copy {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.8rem;
  text-decoration: none;
}

@media (max-width: 820px) {
  .site-nav {
    gap: 14px;
  }

  .site-nav a:not(.nav-play) {
    display: none;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 50px;
    padding-top: 70px;
  }

  .hero-board {
    width: min(420px, 88%);
    margin: 0 auto;
  }

  .feature-grid,
  .game-grid {
    grid-template-columns: 1fr 1fr;
  }

  .prose-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .toc {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 3px 18px;
  }

  .toc strong {
    flex-basis: 100%;
  }
}

@media (max-width: 600px) {
  body {
    word-break: normal;
  }

  .container,
  .nav-wrap {
    width: min(100% - 28px, var(--max));
  }

  .nav-wrap {
    min-height: 64px;
  }

  .brand {
    font-size: 1.15rem;
  }

  .section {
    padding: 65px 0;
  }

  .section-heading,
  .footer-wrap {
    align-items: flex-start;
    flex-direction: column;
  }

  .feature-grid,
  .article-grid,
  .game-grid,
  .value-grid,
  .note-panel {
    grid-template-columns: 1fr;
  }

  .feature {
    min-height: 215px;
  }

  .note-panel {
    gap: 25px;
  }

  .article-card {
    min-height: 260px;
  }

  .page-hero {
    padding-top: 68px;
  }

  .fact-table th,
  .fact-table td {
    display: block;
    width: 100%;
    padding: 9px 4px;
  }

  .fact-table td {
    padding-top: 0;
  }
}