/* =====================================
   RESET & GLOBAL
===================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow-x: hidden;
}

body {
  background: #f6f5f2;
  color: #1a1a1a;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  overflow: hidden;
}

/* =====================================
   LANDING
===================================== */

#landing {
  position: fixed;
  inset: 0;
  z-index: 100;

  display: flex;
  align-items: center;
  justify-content: center;

  background:
    radial-gradient(circle at top, rgba(0,0,0,0.04), transparent),
    repeating-linear-gradient(
      0deg,
      rgba(0,0,0,0.015),
      rgba(0,0,0,0.015) 1px,
      transparent 1px,
      transparent 3px
    );

  transition:
    opacity 1.2s ease,
    transform 1.2s ease,
    filter 1.2s ease;
}

#landing.hidden {
  opacity: 0;
  transform: translateY(-20px);
  filter: blur(12px);
  pointer-events: none;
}

.landing-inner {
  text-align: center;
}

.landing-inner h1 {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  letter-spacing: 0.22em;
}

.landing-inner p {
  margin-top: 1.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.32em;
  opacity: 0.55;
}

/* =====================================
   SCROLL CUE
===================================== */

#scrollCue {
  position: fixed;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  opacity: 0.45;
  z-index: 101;
}

/* =====================================
   ROOM SYSTEM
===================================== */

.room {
  position: fixed;
  inset: 0;
  padding: 120px 8vw 80px;

  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;

  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}

.room.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.room.exit {
  opacity: 0;
  transform: translateY(-20px);
  pointer-events: none;
}

/* =====================================
   NAV & SIGNATURE
===================================== */

#roomNav {
  position: fixed;
  top: 22px;
  left: 50%;
  transform: translateX(-50%);
  display: none;
  gap: 1.5rem;
  z-index: 30;
}

#roomNav span {
  font-size: 1.2rem;
  opacity: 0.55;
  cursor: pointer;
}

#roomNav span.active {
  opacity: 1;
  transform: scale(1.25);
}

#signature {
  position: fixed;
  top: 22px;
  left: 64px;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  opacity: 0;
  pointer-events: none;
}

#signature.show {
  opacity: 0.6;
  pointer-events: auto;
}

/* =====================================
   HEADPHONES OVERLAY
===================================== */

.headphones-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(246, 245, 242, 0.94);
  backdrop-filter: blur(6px);

  display: flex;
  align-items: center;
  justify-content: center;

  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s ease;
}

.headphones-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.headphones-inner {
  text-align: center;
  max-width: 280px;
}

.headphones-icon {
  font-size: 2.4rem;
  margin-bottom: 1rem;
}

.headphones-inner p {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  opacity: 0.85;
  margin-bottom: 1.5rem;
}

.headphones-inner button {
  background: none;
  border: 1px solid rgba(0,0,0,0.35);
  padding: 0.5rem 1.2rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  cursor: pointer;
  opacity: 0.7;
}

/* =====================================
   PROJECT ASSETS — COLLAPSIBLE
===================================== */

.project-assets {
  margin: 1rem 0 1.5rem;
  text-align: center;
}

.assets-toggle {
  background: none;
  border: none;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.6;
  cursor: pointer;
}

.assets-toggle .chevron {
  margin-left: 0.25rem;
  transition: transform 0.25s ease;
}

.assets-panel {
  display: none;
  margin-top: 0.6rem;
}

.project-assets.open .assets-panel {
  display: block;
}

.project-assets.open .chevron {
  transform: rotate(180deg);
}

.asset-links {
  font-size: 0.55rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  line-height: 1.8;
  opacity: 0.6;
  margin-bottom: 0.35rem;
}

.asset-credit {
  font-size: 0.55rem;
  letter-spacing: 0.14em;
  opacity: 0.5;
}

/* =====================================
   LISTENING ROOM FOOTER
===================================== */

.listen-footer {
  margin-top: 3rem;
  padding-bottom: 3rem;
  text-align: center;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  opacity: 0.45;
}

/* =====================================
   📱 MOBILE RESPONSIVE FIX (SINGLE COLUMN)
===================================== */

@media (max-width: 768px) {

  /* Allow scrolling inside fixed room */
  .room {
    padding: 96px 6vw 96px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* FORCE SINGLE COLUMN LISTENING ROOM */
  .listen-grid {
    display: block;
  }

  .album-art {
    width: 100%;
    margin-bottom: 1.5rem;
  }

  .album-art img {
    width: 100%;
    height: auto;
    display: block;
  }

  .listen-content {
    width: 100%;
  }

  /* Tighter nav spacing */
  #signature {
    left: 18px;
  }

  #roomNav {
    top: 14px;
  }

  .assets-toggle {
    font-size: 0.55rem;
    letter-spacing: 0.25em;
  }

  .asset-links,
  .asset-credit {
    font-size: 0.5rem;
  }
}