/* Blue Cheese welcome screen — motion language adapted from the Kadar opening. */
body.bc-welcome-active { overflow: hidden; }

.bc-welcome {
  position: fixed;
  inset: 0;
  z-index: 180;
  min-height: 100svh;
  overflow: hidden;
  padding: 0 clamp(22px, 4vw, 68px) 34px;
  background: var(--paper);
  color: var(--ink);
  isolation: isolate;
  transition: opacity .58s ease, visibility .58s ease, transform .76s cubic-bezier(.76, 0, .24, 1);
}

.bc-welcome.is-leaving {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-100%);
  pointer-events: none;
}

.bc-welcome-grid {
  position: absolute;
  inset: 0;
  z-index: -3;
  opacity: .08;
  background-image:
    linear-gradient(var(--ink) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink) 1px, transparent 1px);
  background-size: 78px 78px;
}

.bc-welcome::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  opacity: .12;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitchTiles'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.3'/%3E%3C/svg%3E");
}

.bc-welcome-top {
  position: relative;
  z-index: 12;
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.bc-welcome-brand { display: flex; align-items: center; gap: 12px; font: 500 10px/1.25 var(--mono); letter-spacing: .15em; }
.bc-welcome-brand svg { width: 38px; height: 38px; fill: none; stroke: currentColor; stroke-width: 1.5; overflow: visible; }
.bc-welcome-top > p { display: flex; gap: 18px; margin: 0; font: 400 9px/1 var(--mono); letter-spacing: .13em; }
.bc-welcome-top > p b { color: var(--violet); font-weight: 500; font-variant-numeric: tabular-nums; }

.bc-welcome-content {
  position: relative;
  z-index: 10;
  min-height: calc(100svh - 160px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(410px, .95fr);
  align-items: center;
  gap: clamp(40px, 6vw, 110px);
  padding: 48px clamp(0px, 3.2vw, 54px);
}

.bc-welcome-copy { position: relative; z-index: 3; }
.bc-welcome-kicker { margin: 0 0 25px; color: var(--muted); font: 500 10px/1.4 var(--mono); letter-spacing: .13em; text-transform: uppercase; }
.bc-welcome-kicker::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 10px; border-radius: 50%; background: var(--violet); box-shadow: 0 0 0 5px rgba(113,103,232,.12); }
.bc-welcome h1 { margin: 0; max-width: 920px; font-size: clamp(64px, 8.3vw, 142px); line-height: .82; letter-spacing: -.075em; font-weight: 500; }
.bc-welcome h1 span, .bc-welcome h1 em { display: block; }
.bc-welcome h1 em { color: var(--violet); font-style: normal; }
.bc-welcome-intro { max-width: 640px; margin: 28px 0; color: #4e4b50; font-size: clamp(15px, 1.2vw, 19px); line-height: 1.6; }
.bc-enter { min-height: 52px; display: inline-flex; align-items: center; justify-content: space-between; gap: 54px; padding: 0 18px; border: 1px solid var(--ink); background: var(--ink); color: var(--white); font: 500 10px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; cursor: pointer; transition: background .2s ease, transform .2s ease; }
.bc-enter:hover { background: var(--violet); transform: translateY(-3px); }
.bc-enter b { font-size: 16px; font-weight: 400; }

.bc-welcome-bin {
  position: relative;
  z-index: 4;
  padding: 24px;
  border: 1px solid var(--ink);
  background: rgba(248,246,239,.78);
  box-shadow: 24px 24px 0 var(--blue);
  transform: perspective(1100px) rotateX(var(--bc-tilt-y, 0deg)) rotateY(var(--bc-tilt-x, 0deg));
  transition: transform .15s ease-out;
}
.bc-welcome-bin > p { margin: 0 0 18px; color: var(--muted); font: 500 9px/1 var(--mono); letter-spacing: .16em; }
.bc-welcome-clips { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.bc-clip { min-height: 108px; grid-column: span 2; display: flex; flex-direction: column; justify-content: space-between; padding: 14px; border: 1px solid var(--ink); transition: transform .36s cubic-bezier(.2,.9,.25,1.3); }
.bc-clip:nth-child(4), .bc-clip:nth-child(5) { grid-column: span 3; }
.bc-clip:hover { transform: translateY(-8px) rotate(-1.5deg); }
.bc-clip span { font: 400 8px/1 var(--mono); }
.bc-clip b { font-size: clamp(12px, 1vw, 17px); letter-spacing: -.02em; }
.bc-clip-blue { background: var(--blue); }.bc-clip-pink { background: var(--pink); }.bc-clip-violet { background: var(--violet); color: var(--white); }.bc-clip-paper { background: var(--white); }.bc-clip-ink { background: var(--ink); color: var(--white); }
.bc-welcome-status { margin-top: 16px; padding: 12px 14px; display: flex; justify-content: space-between; gap: 16px; border: 1px solid var(--ink); font: 400 8px/1 var(--mono); letter-spacing: .1em; }
.bc-welcome-status span { display: flex; align-items: center; gap: 8px; }
.bc-welcome-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--violet); box-shadow: 0 0 0 5px rgba(113,103,232,.12); }

.bc-welcome-playhead { position: absolute; z-index: 11; top: 86px; bottom: 0; left: 64%; width: 2px; background: var(--violet); box-shadow: 0 0 24px rgba(113,103,232,.38); pointer-events: none; transform: translateX(-50%); }
.bc-welcome-playhead i { position: absolute; left: -9px; top: 0; border-left: 10px solid transparent; border-right: 10px solid transparent; border-top: 14px solid var(--violet); }
.bc-orb { position: absolute; z-index: -1; pointer-events: none; will-change: translate; transition: translate .15s ease-out; }
.bc-orb-blue { width: 380px; height: 380px; right: -120px; top: 13%; border-radius: 50%; background: var(--blue); }
.bc-orb-pink { width: 170px; height: 170px; left: 42%; bottom: -70px; background: var(--pink); transform: rotate(26deg); }
.bc-orb-violet { width: 90px; height: 90px; right: 43%; top: 14%; border-radius: 50%; background: var(--violet); opacity: .82; }
.bc-welcome-hint { position: absolute; z-index: 13; right: clamp(22px,4vw,68px); bottom: 18px; margin: 0; color: var(--muted); font: 400 8px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; }

@media (max-width: 900px) {
  .bc-welcome { overflow-y: auto; }
  .bc-welcome-content { grid-template-columns: 1fr; padding-top: 64px; padding-bottom: 90px; }
  .bc-welcome-bin { max-width: 680px; }
  .bc-welcome-playhead { left: 92%; }
  .bc-orb-violet { display: none; }
}

@media (max-width: 520px) {
  .bc-welcome { padding-inline: 16px; }
  .bc-welcome-top > p { display: none; }
  .bc-welcome h1 { font-size: clamp(55px, 17vw, 76px); line-height: .88; }
  .bc-welcome-content { padding-inline: 0; }
  .bc-welcome-bin { padding: 15px; box-shadow: 12px 12px 0 var(--blue); }
  .bc-welcome-clips { grid-template-columns: 1fr 1fr; }
  .bc-clip, .bc-clip:nth-child(4), .bc-clip:nth-child(5) { grid-column: span 1; min-height: 90px; }
  .bc-clip:last-child { grid-column: span 2; }
  .bc-welcome-status b { display: none; }
  .bc-welcome-hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .bc-welcome, .bc-welcome-bin, .bc-orb, .bc-clip { transition: none !important; }
  .bc-welcome-playhead { display: none; }
}