:root {
  color-scheme: dark;
  --bg: #08090b;
  --surface: #0e1013;
  --surface-strong: #15181d;
  --text: #f4f5f1;
  --muted: #999ea7;
  --line: rgba(255, 255, 255, 0.13);
  --accent: #dfff3f;
  --accent-soft: rgba(223, 255, 63, 0.14);
  --page-pad: clamp(1.25rem, 5vw, 5rem);
  --content-width: 1440px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

button,
video {
  font: inherit;
}

button {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  transform: translateY(-160%);
  border-radius: 999px;
  background: var(--accent);
  color: #08090b;
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  max-width: calc(var(--content-width) + (var(--page-pad) * 2));
  align-items: center;
  justify-content: space-between;
  padding: 1.6rem var(--page-pad);
  margin-inline: auto;
  right: 0;
}

.wordmark {
  position: relative;
  isolation: isolate;
  display: block;
  width: clamp(110px, 13vw, 150px);
}

.wordmark::before {
  position: absolute;
  z-index: -1;
  inset: 24% 12%;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(223, 255, 63, 0.09), transparent 72%);
  filter: blur(12px);
  content: "";
}

.wordmark-image {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.9;
  mix-blend-mode: screen;
  filter: brightness(0.86) saturate(1.04) contrast(1.06);
  -webkit-mask-image: radial-gradient(
    ellipse 72% 62% at 52% 50%,
    #000 32%,
    rgba(0, 0, 0, 0.92) 56%,
    transparent 100%
  );
  mask-image: radial-gradient(
    ellipse 72% 62% at 52% 50%,
    #000 32%,
    rgba(0, 0, 0, 0.92) 56%,
    transparent 100%
  );
}

.header-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 4vw, 3.5rem);
  font-size: 0.79rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-nav > a {
  padding: 0.5rem 0;
  color: var(--muted);
  transition: color 180ms ease;
}

.header-nav > a:hover,
.header-nav > a:focus-visible {
  color: var(--text);
}

.language-switcher {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 9, 11, 0.55);
  backdrop-filter: blur(12px);
}

.language-switcher span {
  width: 1px;
  height: 0.8rem;
  background: var(--line);
}

.language-switcher button {
  padding: 0.35rem 0.5rem;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.language-switcher button[aria-pressed="true"] {
  color: var(--accent);
}

.language-switcher button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.hero {
  position: relative;
  min-height: clamp(230px, 30vw, 360px);
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  position: absolute;
  z-index: -3;
  inset: 0;
  background:
    radial-gradient(circle at 70% 36%, rgba(223, 255, 63, 0.09), transparent 27%),
    radial-gradient(circle at 20% 80%, rgba(108, 72, 255, 0.08), transparent 32%),
    linear-gradient(135deg, #060708 0%, #0b0d10 52%, #08090b 100%);
  content: "";
}

.hero::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.45), transparent 86%);
  opacity: 0.22;
  content: "";
}

.hero-noise {
  position: absolute;
  z-index: -2;
  inset: -50%;
  opacity: 0.055;
  background-image:
    repeating-radial-gradient(circle at 20% 30%, #fff 0 0.45px, transparent 0.8px 3px),
    repeating-radial-gradient(circle at 80% 60%, #fff 0 0.35px, transparent 0.7px 4px);
  pointer-events: none;
}

.hero-orbit {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  pointer-events: none;
}

.hero-orbit::after {
  position: absolute;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 2rem var(--accent);
  content: "";
}

.hero-orbit-one {
  width: min(66vw, 860px);
  aspect-ratio: 1;
  right: -16vw;
  top: 5vh;
}

.hero-orbit-one::after {
  left: 12%;
  top: 14%;
}

.hero-orbit-two {
  width: min(42vw, 560px);
  aspect-ratio: 1;
  right: 3vw;
  top: 22vh;
}

.hero-orbit-two::after {
  right: 10%;
  bottom: 22%;
}

.games-section {
  width: 100%;
  max-width: calc(var(--content-width) + (var(--page-pad) * 2));
  padding: clamp(6rem, 11vw, 10rem) var(--page-pad);
  margin-inline: auto;
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: end;
  padding-bottom: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--line);
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 6rem);
  letter-spacing: -0.055em;
  line-height: 1;
}

.game-list {
  display: grid;
}

.game-card {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(3.2rem, 7vw, 6rem) 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.game-meta {
  display: grid;
  grid-row: 1 / 3;
  gap: 1rem;
  align-content: start;
}

.game-number {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.game-title-block p {
  margin: 0 0 1.1rem;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.game-title-block {
  grid-column: 2;
}

.game-title-block h3 {
  margin: 0;
  font-size: clamp(2.2rem, 4.2vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 0.98;
  overflow-wrap: normal;
  white-space: nowrap;
}

.video-shell {
  grid-column: 2;
  position: relative;
  overflow: hidden;
  min-height: 260px;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 72% 20%, var(--accent-soft), transparent 32%),
    linear-gradient(135deg, #12151a, #090a0c);
}

.video-shell::before {
  position: absolute;
  z-index: 0;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  content: "";
}

.video-shell video {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: none;
  width: 100%;
  height: 100%;
  background: #000;
  object-fit: contain;
}

.video-shell.video-is-ready video {
  display: block;
}

.video-cover {
  position: absolute;
  z-index: 3;
  inset: 0;
  display: none;
  overflow: hidden;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background:
    radial-gradient(circle at 76% 20%, rgba(223, 255, 63, 0.2), transparent 31%),
    radial-gradient(circle at 17% 82%, rgba(108, 72, 255, 0.19), transparent 35%),
    linear-gradient(135deg, #171b20, #08090b 72%);
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.video-shell.video-is-ready .video-cover {
  display: block;
}

.video-shell.video-has-started .video-cover {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.video-cover-image,
.video-cover-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.video-cover-image {
  z-index: 0;
  object-fit: cover;
}

.video-cover-shade {
  z-index: 1;
  background:
    linear-gradient(to top, rgba(4, 5, 7, 0.86), transparent 52%),
    linear-gradient(to right, rgba(4, 5, 7, 0.3), transparent 48%);
}

.video-cover-title {
  position: absolute;
  z-index: 2;
  right: clamp(1.2rem, 3vw, 2.5rem);
  bottom: clamp(1.2rem, 3vw, 2.5rem);
  left: clamp(1.2rem, 3vw, 2.5rem);
  overflow: hidden;
  font-size: clamp(1.4rem, 3.5vw, 4rem);
  font-weight: 850;
  letter-spacing: -0.045em;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.video-cover-play {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  width: clamp(3.4rem, 7vw, 5.8rem);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  background: rgba(8, 9, 11, 0.66);
  box-shadow: 0 1rem 4rem rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(12px);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.video-cover-play::after {
  position: absolute;
  top: 50%;
  left: 53%;
  width: 0;
  height: 0;
  transform: translate(-42%, -50%);
  border-top: 0.48rem solid transparent;
  border-bottom: 0.48rem solid transparent;
  border-left: 0.76rem solid var(--accent);
  content: "";
}

.video-cover:hover .video-cover-play,
.video-cover:focus-visible .video-cover-play {
  transform: translate(-50%, -50%) scale(1.06);
  border-color: var(--accent);
  background: rgba(8, 9, 11, 0.82);
}

.video-cover:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -4px;
}

.video-placeholder {
  position: absolute;
  z-index: 1;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
}

.video-placeholder strong {
  margin-top: 1.25rem;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
}

.video-placeholder small {
  max-width: 27rem;
  margin-top: 0.65rem;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.6;
}

.placeholder-mark {
  position: relative;
  width: 3rem;
  height: 3rem;
  transform: rotate(45deg);
  border: 1px solid var(--accent);
}

.placeholder-mark::after {
  position: absolute;
  inset: 0.55rem;
  border: 1px solid rgba(223, 255, 63, 0.45);
  content: "";
}

.noscript-message {
  padding: 1.5rem;
  border: 1px solid var(--line);
  color: var(--muted);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 2rem;
  align-items: center;
  padding: 3rem var(--page-pad);
  border-top: 1px solid var(--line);
  background: #060708;
  color: var(--muted);
  font-size: 0.75rem;
}

.wordmark-footer {
  width: min(130px, 100%);
  color: var(--text);
}

.site-footer p {
  margin: 0;
}

.footer-contact {
  display: grid;
  gap: 0.45rem;
}

.footer-contact span {
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.footer-contact a {
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: color 180ms ease;
}

.footer-contact a:hover,
.footer-contact a:focus-visible {
  color: var(--accent);
}

.copyright {
  white-space: nowrap;
}

@media (max-width: 1050px) {
  .game-card {
    grid-template-columns: 5rem minmax(0, 1fr);
  }

  .video-shell {
    grid-column: 2;
  }
}

@media (max-width: 760px) {
  .site-header {
    padding-top: 1.15rem;
  }

  .header-nav > a {
    display: none;
  }

  .wordmark {
    width: 120px;
  }

  .hero {
    min-height: 240px;
  }

  .hero-orbit-one {
    width: 110vw;
    right: -50vw;
    top: 19vh;
  }

  .hero-orbit-two {
    width: 75vw;
    right: -24vw;
    top: 34vh;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .game-card {
    grid-template-columns: 1fr auto;
    gap: 2rem 1rem;
  }

  .game-meta {
    grid-column: 1 / -1;
    grid-row: auto;
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .game-title-block {
    grid-column: 1 / -1;
  }

  .video-shell {
    grid-column: 1 / -1;
    min-height: 0;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 1.35rem;
  }
}

@media (max-width: 460px) {
  .wordmark {
    width: 105px;
  }

  .language-switcher {
    gap: 0.3rem;
  }

  .language-switcher button {
    padding-inline: 0.35rem;
    font-size: 0.64rem;
  }

  .game-title-block h3 {
    font-size: clamp(1.45rem, 7vw, 2rem);
    letter-spacing: -0.045em;
  }

}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}