@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Noto+Sans+KR:wght@400;500;600;700;900&display=swap");

:root {
  --ink: #0b0c0e;
  --ink-soft: #121417;
  --paper: #f0eee7;
  --muted: #aaa9a4;
  --line: #34373c;
  --acid: #c7ff3c;
  --cyan: #48d9f5;
  --orange: #ff6b35;
  --mono: "IBM Plex Mono", "Noto Sans KR", monospace;
  --sans: "Noto Sans KR", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(90deg, transparent calc(50% - .5px), rgba(255,255,255,.045) 50%, transparent calc(50% + .5px)),
    var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
::selection { background: var(--acid); color: var(--ink); }

.skip-link {
  position: fixed;
  top: -5rem;
  left: 1rem;
  z-index: 20;
  padding: .8rem 1rem;
  background: var(--acid);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}
.skip-link:focus { top: 1rem; }
a:focus-visible { outline: 3px solid var(--acid); outline-offset: 4px; }

.site-header {
  width: min(100% - 3rem, 1500px);
  height: 88px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-decoration: none;
}
.brand-mark { position: relative; display: inline-flex; width: 34px; height: 22px; }
.brand-mark i {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--acid);
  border-radius: 50%;
}
.brand-mark i:first-child { left: 0; }
.brand-mark i:last-child { right: 0; border-color: var(--cyan); }
.header-meta {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 5vw, 5rem);
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .07em;
  color: var(--muted);
}
.index-count b { color: var(--acid); font-weight: 600; }

.hero {
  width: min(100% - 3rem, 1500px);
  min-height: calc(100vh - 88px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(330px, .8fr);
  align-items: center;
  border-bottom: 1px solid var(--line);
}
.hero-copy { padding: 6rem 3rem 6rem 0; }
.kicker {
  width: min(100%, 760px);
  margin: 0 0 3rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--cyan);
}
h1 {
  margin: 0;
  font-size: clamp(4.3rem, 9.5vw, 10rem);
  line-height: .78;
  letter-spacing: -.075em;
  font-weight: 900;
}
h1 em { color: var(--acid); font-style: normal; }
.intro {
  max-width: 42rem;
  margin: 3.2rem 0 2.2rem;
  font-size: clamp(1rem, 1.45vw, 1.2rem);
  line-height: 1.9;
  color: #cbc9c2;
}
.jump-link {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--mono);
  font-size: .82rem;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: .35rem;
}
.jump-link span { color: var(--acid); font-size: 1.1rem; transition: transform .2s ease; }
.jump-link:hover span { transform: translateY(4px); }

.hero-signal {
  min-height: 68vh;
  height: calc(100% - 5rem);
  align-self: center;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--acid);
  color: var(--ink);
}
.hero-signal::before,
.hero-signal::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(11,12,14,.34);
  border-radius: 50%;
}
.hero-signal::after { inset: 22%; }
.signal-disc {
  position: relative;
  z-index: 1;
  width: 62%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  border-radius: 50%;
  box-shadow: 18px 18px 0 var(--cyan);
}
.signal-number {
  font-family: var(--mono);
  font-size: clamp(4rem, 8vw, 8rem);
  line-height: 1;
  color: var(--acid);
}
.signal-word {
  position: absolute;
  top: 21%;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .4em;
}
.signal-word-bottom { top: auto; bottom: 21%; }
.signal-caption {
  position: absolute;
  right: 1.4rem;
  bottom: 1.4rem;
  font-family: var(--mono);
  font-size: .67rem;
  line-height: 1.4;
  text-align: right;
}

.games {
  width: min(100% - 3rem, 1500px);
  margin: 0 auto;
  padding: 8rem 0 6rem;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 2rem;
  margin-bottom: 4rem;
}
.section-number,
.section-note,
.game-category,
.game-status,
.game-title-en,
.coming-soon p {
  font-family: var(--mono);
  letter-spacing: .08em;
}
.section-number { margin: 0 0 .9rem; color: var(--cyan); font-size: .78rem; }
.section-heading h2 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 5.6rem);
  line-height: 1.05;
  letter-spacing: -.055em;
}
.section-note { margin: 0; color: var(--muted); font-size: .78rem; text-align: right; }

.game-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(360px, .55fr);
  border: 1px solid var(--line);
}
.game-visual {
  min-height: 660px;
  position: relative;
  overflow: hidden;
  background: #17201f;
}
.game-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(3, 12, 13, .18);
  border: 18px solid transparent;
  transition: border-color .25s ease, background .25s ease;
}
.game-visual:hover::after { border-color: var(--acid); background: transparent; }
.game-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s cubic-bezier(.22,.61,.36,1);
}
.game-visual:hover img { transform: scale(1.025); }
.visual-label,
.visual-corner {
  position: absolute;
  z-index: 2;
  background: var(--acid);
  color: var(--ink);
  font-family: var(--mono);
  font-weight: 600;
}
.visual-label { left: 1.5rem; top: 1.5rem; padding: .5rem .75rem; font-size: .72rem; }
.visual-corner {
  right: 1.5rem;
  bottom: 1.5rem;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 1.2rem;
}
.game-info {
  padding: clamp(2rem, 4vw, 4.5rem);
  display: flex;
  flex-direction: column;
  background: var(--ink-soft);
}
.game-status { font-size: .72rem; color: var(--acid); }
.game-status span {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: .55rem;
  background: var(--acid);
  border-radius: 50%;
  box-shadow: 0 0 18px var(--acid);
}
.game-category { margin: auto 0 1rem; font-size: .72rem; color: var(--cyan); }
.game-info h3 {
  margin: 0;
  font-size: clamp(3.1rem, 5vw, 5.6rem);
  line-height: 1.06;
  letter-spacing: -.06em;
}
.game-title-en { margin: .8rem 0 2rem; font-size: .73rem; color: var(--muted); }
.game-description { margin: 0; color: #cbc9c2; line-height: 1.85; }
.game-facts { margin: 2.5rem 0; border-top: 1px solid var(--line); }
.game-facts div {
  padding: .85rem 0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
}
.game-facts dt { font-family: var(--mono); font-size: .7rem; color: var(--muted); }
.game-facts dd { margin: 0; font-size: .9rem; }
.play-button {
  min-height: 62px;
  padding: 0 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--orange);
  color: #101012;
  font-weight: 700;
  text-decoration: none;
  transition: background .2s ease, color .2s ease;
}
.play-button:hover { background: var(--acid); }
.play-button span:last-child { font-size: 1.35rem; }

.coming-soon {
  min-height: 180px;
  margin-top: 1.25rem;
  padding: 2.5rem;
  display: grid;
  grid-template-columns: 110px 1fr minmax(150px, 320px);
  align-items: center;
  gap: 2rem;
  border: 1px dashed #4c5057;
  color: var(--muted);
}
.empty-index { font-family: var(--mono); font-size: 3rem; color: #5e6269; }
.coming-soon p { margin: 0 0 .5rem; font-size: .7rem; color: var(--cyan); }
.coming-soon h3 { margin: 0; color: var(--paper); font-size: 1.2rem; }
.loading-track { height: 4px; background: #2a2c31; overflow: hidden; }
.loading-track span {
  display: block;
  width: 42%;
  height: 100%;
  background: var(--cyan);
  animation: scan 3s ease-in-out infinite alternate;
}
@keyframes scan { to { transform: translateX(138%); } }

footer {
  width: min(100% - 3rem, 1500px);
  margin: 0 auto;
  padding: 2.5rem 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .7rem;
  color: var(--muted);
}
footer p { margin: 0; }
footer p:last-child { text-align: right; }
.footer-brand { color: var(--paper); }

@media (max-width: 980px) {
  .header-meta > span:first-child { display: none; }
  .hero { grid-template-columns: 1fr; padding: 4rem 0; }
  .hero-copy { padding: 0 0 4rem; }
  .hero-signal { min-height: 560px; height: auto; }
  .signal-disc { width: min(62%, 360px); }
  .game-feature { grid-template-columns: 1fr; }
  .game-visual { min-height: 56vw; }
  .game-category { margin-top: 4rem; }
  .coming-soon { grid-template-columns: 80px 1fr; }
  .loading-track { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  body { background: var(--ink); }
  .site-header,
  .hero,
  .games,
  footer { width: min(100% - 2rem, 1500px); }
  .site-header { height: 72px; }
  .brand { font-size: .9rem; }
  .header-meta { font-size: .64rem; }
  .hero { min-height: auto; padding: 4.5rem 0 1rem; }
  .kicker { margin-bottom: 2rem; font-size: .65rem; }
  .kicker span:last-child { display: none; }
  h1 { font-size: clamp(3.7rem, 20vw, 6rem); line-height: .83; }
  .intro br { display: none; }
  .hero-signal { min-height: 430px; margin-top: 2rem; }
  .signal-disc { width: 66%; box-shadow: 10px 10px 0 var(--cyan); }
  .games { padding: 5rem 0 4rem; }
  .section-heading { align-items: start; margin-bottom: 2rem; }
  .section-note { display: none; }
  .section-heading h2 { font-size: 2.6rem; }
  .game-visual { min-height: 68vw; }
  .game-info { padding: 2rem 1.35rem; }
  .game-category { margin-top: 3rem; }
  .game-info h3 { font-size: 3.6rem; }
  .game-description { font-size: .95rem; }
  .coming-soon { min-height: 210px; padding: 1.5rem; grid-template-columns: 54px 1fr; gap: 1rem; }
  .empty-index { font-size: 2rem; }
  footer { grid-template-columns: 1fr auto; }
  footer > p:first-of-type { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition: none !important; }
}