:root {
  color-scheme: dark;
  --bg: #020306;
  --bg-elevated: rgba(10, 16, 28, 0.72);
  --text: #eef3f8;
  --muted: #8b95a3;
  --line: rgba(120, 180, 255, 0.16);
  --accent: #4ea8ff;
  --accent-soft: rgba(78, 168, 255, 0.14);
  --accent-dim: rgba(78, 168, 255, 0.12);
  --focus: #7ec4ff;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  background: var(--bg);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

/* —— Home: author title composition —— */

.page-home {
  background:
    radial-gradient(900px 520px at 50% 18%, rgba(40, 120, 255, 0.14), transparent 60%),
    radial-gradient(700px 420px at 50% 100%, rgba(20, 60, 120, 0.18), transparent 55%),
    #000;
}

.home {
  width: min(44rem, calc(100% - 2.5rem));
  margin: 0 auto;
  min-height: 100vh;
  padding: 2.5rem 0 2.75rem;
  display: flex;
  flex-direction: column;
}

.hero {
  text-align: center;
  padding: 0.5rem 0 1.75rem;
}

.hero__stage {
  position: relative;
  width: min(100%, 34rem);
  margin: 0 auto;
  aspect-ratio: 16 / 11;
  display: grid;
  place-items: center;
  isolation: isolate;
}

.hero__glow {
  position: absolute;
  inset: 12% 8% 18%;
  background: radial-gradient(ellipse at center, rgba(70, 150, 255, 0.28), transparent 68%);
  filter: blur(18px);
  z-index: 0;
  pointer-events: none;
}

.hero__mark {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 0 28px rgba(70, 150, 255, 0.22));
  user-select: none;
}

.hero__copy {
  margin-top: -0.35rem;
}

.page-home .brand {
  margin: 0;
  font-size: clamp(1.55rem, 4.2vw, 2rem);
  font-weight: 620;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  line-height: 1.2;
}

.page-home .tagline {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.34em;
  text-transform: uppercase;
}

.home-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0.5rem 0 1.5rem;
}

.page-home .game {
  padding: 1.35rem 1.35rem 1.45rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background:
    linear-gradient(180deg, rgba(18, 28, 46, 0.78), rgba(8, 12, 20, 0.88));
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.02) inset,
    0 18px 50px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(10px);
}

.page-home .game-status {
  margin: 0 0 0.55rem;
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.page-home .game h2 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.4rem, 3.5vw, 1.75rem);
  font-weight: 650;
  letter-spacing: 0.03em;
}

.page-home .game p {
  margin: 0;
  max-width: 38rem;
  color: #a6b0bd;
}

.page-home .site-footer {
  margin-top: auto;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(120, 180, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem 1.75rem;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.75rem;
  font-size: 0.95rem;
}

.site-footer__copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

/* —— Privacy and shared document styles —— */

.wrap {
  width: min(42rem, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 4.5rem 0 5rem;
}

.site-header {
  margin-bottom: 3.25rem;
}

.brand {
  margin: 0;
  font-size: clamp(1.85rem, 5vw, 2.35rem);
  font-weight: 650;
  letter-spacing: 0.04em;
  line-height: 1.15;
}

.tagline {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.game {
  padding: 1.5rem 0 1.6rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.game-status {
  margin: 0 0 0.55rem;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.game h2 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.35rem, 3.4vw, 1.7rem);
  font-weight: 640;
  letter-spacing: 0.02em;
}

.game p {
  margin: 0;
  max-width: 36rem;
  color: var(--muted);
}

.site-footer {
  margin-top: 2.5rem;
  padding-top: 0.15rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem 1.75rem;
}

.privacy-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  margin-bottom: 2.5rem;
}

.privacy-header .brand {
  font-size: 1.05rem;
  letter-spacing: 0.08em;
}

.privacy-header .brand a {
  color: var(--text);
}

.privacy-header .brand a:hover {
  color: var(--accent);
}

.back {
  color: var(--muted);
  font-size: 0.9rem;
}

article h1 {
  margin: 0 0 0.45rem;
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.25;
}

.effective-date {
  margin: 0 0 2rem;
  color: var(--muted);
}

article h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.125rem;
}

article p {
  margin: 0 0 1rem;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.08em 0.35em;
}

@media (max-width: 640px) {
  .home {
    width: min(44rem, calc(100% - 1.5rem));
    padding: 1.25rem 0 2rem;
  }

  .hero {
    padding-bottom: 1.1rem;
  }

  .hero__stage {
    aspect-ratio: 16 / 12;
  }

  .page-home .brand {
    letter-spacing: 0.14em;
  }

  .page-home .tagline {
    letter-spacing: 0.22em;
  }

  .page-home .game {
    padding: 1.15rem 1.05rem 1.25rem;
    border-radius: 0.85rem;
  }

  .page-home .site-footer,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .site-footer__nav {
    flex-direction: column;
    gap: 0.85rem;
  }

  .wrap {
    width: min(42rem, calc(100% - 2rem));
    padding: 2.5rem 0 3.5rem;
  }

  .site-header {
    margin-bottom: 2.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__glow {
    filter: none;
  }
}