:root {
  --bg: #06070d;
  --bg-soft: #0c0e18;
  --ink: #f4f6ff;
  --ink-dim: #aab2d0;
  --ink-faint: #707895;
  --line: rgba(255, 255, 255, 0.08);
  --card: rgba(20, 23, 38, 0.55);
  --card-hover: rgba(28, 32, 52, 0.75);

  --music: #7c5cff;
  --music-2: #c46bff;
  --trophy: #36d6e7;
  --trophy-2: #4f9bff;
  --study: #ffb347;
  --study-2: #ff7e5f;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Ambient background ---------- */
.aurora {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  filter: blur(80px);
}
.blob {
  position: absolute;
  width: 48vmax;
  height: 48vmax;
  border-radius: 50%;
  opacity: 0.5;
  mix-blend-mode: screen;
  animation: drift 26s var(--ease) infinite alternate;
}
.blob--music  { background: radial-gradient(circle, var(--music) 0%, transparent 62%); top: -14vmax; left: -10vmax; }
.blob--trophy { background: radial-gradient(circle, var(--trophy) 0%, transparent 62%); top: 18vmax; right: -16vmax; animation-delay: -8s; }
.blob--study  { background: radial-gradient(circle, var(--study) 0%, transparent 62%); bottom: -20vmax; left: 24vmax; animation-delay: -15s; }

@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(6vmax, 4vmax) scale(1.15); }
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem clamp(1.25rem, 5vw, 4rem);
  backdrop-filter: blur(6px);
}
.wordmark {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--ink);
}
.wordmark__dash { color: var(--music-2); margin: 0 0.05em; }
.wordmark__sag { background: linear-gradient(90deg, var(--trophy), var(--music-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.site-nav { display: flex; gap: 1.5rem; }
.site-nav a {
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s var(--ease);
}
.site-nav a:hover { color: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(4rem, 12vh, 9rem) clamp(1.25rem, 5vw, 4rem) clamp(3rem, 7vh, 6rem);
  text-align: center;
}
.hero__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.42em;
  font-size: 0.8rem;
  color: var(--ink-faint);
  margin: 0 0 1.25rem;
}
.hero__title {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: clamp(2.8rem, 9vw, 6rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0;
}
.hero__title-accent {
  background: linear-gradient(100deg, var(--music-2), var(--trophy));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead {
  max-width: 38ch;
  margin: 1.75rem auto 0;
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: var(--ink-dim);
}
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 100px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}
.hero__cta:hover { transform: translateY(-2px); background: var(--card-hover); border-color: rgba(255,255,255,0.2); }

/* ---------- Rooms ---------- */
.rooms {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 4rem) clamp(4rem, 9vh, 7rem);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.room {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 340px;
  padding: 2rem;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  text-decoration: none;
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.room:hover { transform: translateY(-6px); background: var(--card-hover); }
.room--music:hover  { border-color: color-mix(in srgb, var(--music) 55%, transparent); }
.room--trophy:hover { border-color: color-mix(in srgb, var(--trophy) 55%, transparent); }
.room--study:hover  { border-color: color-mix(in srgb, var(--study) 55%, transparent); }

.room__glow {
  position: absolute;
  inset: -40% -10% auto;
  height: 70%;
  z-index: -1;
  opacity: 0;
  filter: blur(50px);
  transition: opacity 0.45s var(--ease);
}
.room--music  .room__glow { background: radial-gradient(circle, var(--music) 0%, transparent 70%); }
.room--trophy .room__glow { background: radial-gradient(circle, var(--trophy) 0%, transparent 70%); }
.room--study  .room__glow { background: radial-gradient(circle, var(--study) 0%, transparent 70%); }
.room:hover .room__glow { opacity: 0.4; }

.room__icon {
  font-size: 2.4rem;
  width: 66px;
  height: 66px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line);
  margin-bottom: auto;
}
.room__body { margin-top: 1.75rem; }
.room__badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding: 0.25rem 0.65rem;
  border-radius: 100px;
  margin-bottom: 0.85rem;
}
.room__badge--live  { color: #07111a; background: var(--trophy); }
.room__badge--ready { color: #1c1206; background: var(--study); }
.room__badge--soon  { color: #f4f6ff; background: color-mix(in srgb, var(--music) 70%, #000); }
.room__name {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0 0 0.6rem;
}
.room__desc { color: var(--ink-dim); margin: 0 0 1.4rem; font-size: 0.98rem; }
.room__enter {
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  gap: 0.4rem;
  align-items: center;
}
.room--music  .room__enter { color: var(--music-2); }
.room--trophy .room__enter { color: var(--trophy); }
.room--study  .room__enter { color: var(--study); }
.room__enter span { transition: transform 0.25s var(--ease); }
.room:hover .room__enter span { transform: translateX(4px); }

/* ---------- About ---------- */
.about {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 4rem) clamp(5rem, 10vh, 8rem);
  text-align: center;
}
.about__title {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  margin: 0 0 1rem;
}
.about__text { color: var(--ink-dim); font-size: 1.1rem; }
.about__text strong { color: var(--ink); }

/* ---------- Footer ---------- */
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 2rem clamp(1.25rem, 5vw, 4rem);
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 0.9rem;
}
.site-footer__mark {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
}

/* ---------- Entrance motion ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .blob { animation: none; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}