:root {
  --midnight: #171b35;
  --moon: #d7dcff;
  --violet: #7e78c9;
  --mist: #9fd8d9;
  --silver: #f0f2ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Quicksand", sans-serif;
  color: var(--silver);
  background:
    radial-gradient(circle at 14% 12%, rgba(215, 220, 255, 0.22), transparent 37%),
    radial-gradient(circle at 83% 9%, rgba(159, 216, 217, 0.2), transparent 33%),
    linear-gradient(180deg, #1a1f3d, #12162d 64%, #0f1224);
}

.luna-header {
  width: min(1540px, 100%);
  margin: 0 auto;
  padding: 1rem 1.2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.luna-brand {
  margin-right: auto;
  text-decoration: none;
  color: var(--silver);
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.luna-brand img {
  width: 44px;
  height: 44px;
}

.luna-brand span {
  font-family: "Playfair Display", serif;
  font-size: clamp(1.2rem, 1.7vw, 1.65rem);
}

.luna-menu {
  display: none;
  border: 1px solid #9aa0dd;
  background: rgba(126, 120, 201, 0.23);
  color: var(--silver);
  border-radius: 8px;
  padding: 0.42rem 0.7rem;
}

.luna-nav {
  display: flex;
  gap: 0.55rem;
}

.luna-nav a {
  color: #ebeeff;
  text-decoration: none;
  border: 1px solid #8d87d4;
  border-radius: 999px;
  padding: 0.44rem 0.72rem;
}

.luna-nav a:hover {
  background: var(--mist);
  color: #1b1f3a;
  border-color: var(--mist);
}

.luna-main,
.luna-play-main,
.luna-doc {
  width: min(1540px, 100%);
  margin: 0 auto;
  padding: 0.3rem 1.2rem 2rem;
}

.luna-hero {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(280px, 1fr);
  gap: 1rem;
}

.luna-copy,
.luna-rules,
.luna-game,
.luna-details,
.luna-play-head,
.luna-play-frame,
.luna-play-note,
.luna-doc {
  border: 1px solid #8e8add;
  border-radius: 16px;
  background: rgba(23, 28, 58, 0.84);
}

.luna-copy,
.luna-rules,
.luna-game,
.luna-details,
.luna-play-head,
.luna-play-note,
.luna-doc {
  padding: 1rem;
}

.luna-label {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--mist);
  font-weight: 700;
}

h1 {
  margin: 0.5rem 0;
  font-family: "Playfair Display", serif;
  font-size: clamp(2rem, 4.1vw, 3.35rem);
  line-height: 1.06;
}

.luna-rules {
  display: grid;
  gap: 0.6rem;
}

.luna-rules p {
  margin: 0;
  border: 1px dashed #d0d6ff;
  border-radius: 10px;
  padding: 0.56rem 0.66rem;
  background: rgba(215, 220, 255, 0.14);
}

.luna-showcase {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(300px, 1fr);
  gap: 1rem;
}

h2 {
  margin-top: 0;
  font-family: "Playfair Display", serif;
  color: #dfe5ff;
  font-size: 1.8rem;
}

.luna-game iframe,
.luna-play-frame iframe {
  display: block;
  width: 100%;
  min-height: 620px;
  border: 0;
  border-radius: 11px;
  background: #000;
}

.luna-play-main {
  display: grid;
  gap: 1rem;
}

.luna-play-frame {
  padding: 0.8rem;
}

.luna-doc {
  max-width: 980px;
}

.luna-footer {
  width: min(1540px, 100%);
  margin: 0 auto;
  padding: 0.42rem 1.2rem 1.5rem;
  border-top: 1px solid #7d79c5;
}

.luna-footer div {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.luna-footer a {
  color: #d2edee;
}

.luna-gate {
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  padding: 1rem;
  z-index: 100;
  background: rgba(12, 14, 29, 0.9);
}

.luna-gate.open {
  display: grid;
}

.luna-gate-panel {
  width: min(420px, 100%);
  border: 1px solid #9ea6ea;
  border-radius: 15px;
  background: #232954;
  padding: 1rem;
}

.luna-gate-buttons {
  margin-top: 1rem;
  display: flex;
  gap: 0.6rem;
}

.luna-gate-buttons button {
  border: 0;
  border-radius: 8px;
  padding: 0.55rem 0.9rem;
  font-weight: 700;
  cursor: pointer;
}

#lunaEnter {
  background: var(--mist);
  color: #1a1e39;
}

#lunaExit {
  background: #7e78c9;
  color: #fff;
}

@media (max-width: 910px) {
  .luna-menu {
    display: inline-block;
  }

  .luna-nav {
    width: 100%;
    display: none;
    flex-direction: column;
    background: #222853;
    border: 1px solid #a1a8eb;
    border-radius: 12px;
    padding: 0.5rem;
  }

  .luna-nav.open {
    display: flex;
  }

  .luna-hero,
  .luna-showcase {
    grid-template-columns: 1fr;
  }

  .luna-game iframe,
  .luna-play-frame iframe {
    min-height: 470px;
  }
}