.lab-hub {
  min-height: calc(100svh - 72px);
  padding: clamp(28px, 5vw, 76px) clamp(16px, 4vw, 64px) clamp(48px, 7vw, 100px);
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(circle at 88% 8%, rgba(255,42,168,.2), transparent 25rem),
    radial-gradient(circle at 6% 76%, rgba(131,243,157,.14), transparent 30rem),
    linear-gradient(rgba(85,222,244,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(85,222,244,.035) 1px, transparent 1px),
    var(--black);
  background-size: auto, auto, 34px 34px, 34px 34px, auto;
}
.lab-hub::before {
  content: "";
  position: absolute;
  inset: auto -12% -18% -12%;
  z-index: -1;
  height: 48%;
  transform: perspective(480px) rotateX(62deg);
  transform-origin: bottom;
  background-image:
    linear-gradient(rgba(85,222,244,.17) 1px, transparent 1px),
    linear-gradient(90deg, rgba(85,222,244,.17) 1px, transparent 1px);
  background-size: 58px 42px;
  mask-image: linear-gradient(to top, #000, transparent 94%);
  pointer-events: none;
}

.hub-intro {
  max-width: 1460px;
  margin: 0 auto clamp(32px, 5vw, 70px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: clamp(24px, 5vw, 80px);
  align-items: end;
}
.hub-kicker { margin: 0 0 16px; color: var(--cyan); font-size: .78rem; font-weight: 900; }
.hub-intro h1 {
  margin: 0;
  max-width: 9ch;
  font-size: clamp(4.3rem, 12vw, 12.5rem);
  font-weight: 950;
  letter-spacing: -.1em;
  line-height: .68;
  text-shadow: 8px 5px 0 var(--pink), -4px -3px 0 var(--cyan);
}
.hub-intro-copy {
  margin: 0;
  padding: 20px 0 5px 22px;
  border-left: 4px solid var(--toxic);
  color: var(--cream);
  font: 400 clamp(1.45rem, 2.3vw, 2.25rem)/1.04 "Instrument Serif Weird", Georgia, serif;
  font-style: italic;
}
.hub-intro-copy small {
  display: block;
  margin-top: 18px;
  color: var(--muted);
  font: 800 .75rem/1.55 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.portal-grid {
  max-width: 1460px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 26px);
}
.lab-portal {
  --portal-colour: var(--pink);
  min-height: 420px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border: 2px solid rgba(255,251,220,.58);
  background: #08080c;
  color: var(--cream);
  text-decoration: none;
  box-shadow: 9px 9px 0 rgba(0,0,0,.9);
  transition: transform .18s steps(2), border-color .18s, box-shadow .18s;
}
.lab-portal:hover, .lab-portal:focus-visible {
  z-index: 2;
  border-color: var(--portal-colour);
  transform: translate(-4px, -5px) rotate(-.25deg);
  box-shadow: 14px 15px 0 var(--portal-colour);
  outline: 0;
}
.play-portals .lab-portal:nth-child(1) { grid-column: span 7; --portal-colour: var(--pink); }
.play-portals .lab-portal:nth-child(2) { grid-column: span 5; --portal-colour: var(--toxic); }
.play-portals .lab-portal:nth-child(3) { grid-column: 3 / span 8; --portal-colour: var(--cyan); }
.sound-portals .lab-portal { grid-column: span 6; min-height: 560px; }
.sound-portals .lab-portal:nth-child(1) { --portal-colour: var(--cyan); }
.sound-portals .lab-portal:nth-child(2) { --portal-colour: var(--pink); }

.portal-visual { position: absolute; inset: 0; overflow: hidden; background: #09080e; }
.portal-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent 0 4px, rgba(255,255,255,.07) 5px),
    linear-gradient(to top, rgba(5,5,7,.96) 0, rgba(5,5,7,.28) 62%, rgba(5,5,7,.06));
  mix-blend-mode: screen;
}
.portal-visual img { width: 100%; height: 100%; display: block; object-fit: cover; filter: saturate(1.2) contrast(1.14); transition: transform .35s steps(4), filter .35s; }
.lab-portal:hover .portal-visual img, .lab-portal:focus-visible .portal-visual img { transform: scale(1.045); filter: saturate(1.55) contrast(1.24) hue-rotate(-5deg); }
.portal-visual.type-storm {
  display: grid;
  place-items: center;
  background:
    repeating-linear-gradient(90deg, rgba(85,222,244,.08) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(0deg, rgba(255,42,168,.08) 0 1px, transparent 1px 28px),
    #09080d;
}
.type-storm span {
  width: 92%;
  color: var(--cyan);
  font: 950 clamp(2.4rem, 7vw, 7.5rem)/.72 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: -.12em;
  overflow-wrap: anywhere;
  opacity: .72;
  text-shadow: 11px 4px 0 var(--pink), -7px -3px 0 var(--toxic);
  transform: rotate(-4deg);
}
.portal-copy {
  position: relative;
  z-index: 3;
  padding: clamp(22px, 3vw, 38px);
  background: linear-gradient(to top, rgba(5,5,7,.98) 74%, transparent);
}
.portal-topline { display: flex; justify-content: space-between; gap: 20px; align-items: center; margin-bottom: 18px; }
.portal-number { color: var(--portal-colour); font: 950 1rem/1 ui-monospace, monospace; letter-spacing: .12em; }
.portal-status { padding: 7px 9px; border: 1px solid var(--portal-colour); color: var(--portal-colour); font: 850 .68rem/1 ui-monospace, monospace; letter-spacing: .11em; }
.portal-copy h2 { margin: 0; max-width: 13ch; font-size: clamp(2.6rem, 5.6vw, 6rem); font-weight: 950; letter-spacing: -.075em; line-height: .76; text-wrap: balance; }
.sound-portals .portal-copy h2 { font-size: clamp(3rem, 5.2vw, 6rem); }
.portal-copy p { max-width: 45ch; margin: 20px 0 0; color: #c8c5cf; font-size: 1rem; line-height: 1.5; }
.portal-enter { display: inline-flex; margin-top: 22px; color: var(--portal-colour); font: 900 .77rem/1 ui-monospace, monospace; letter-spacing: .14em; }

.synth-keys-preview { position: absolute; inset: 13% 6% 39%; display: grid; grid-template-columns: repeat(9, 1fr); gap: 5px; transform: perspective(700px) rotateX(14deg) rotate(-2deg); }
.synth-keys-preview i { border: 1px solid #ddd7c7; background: linear-gradient(#fffbdc, #8f8990); box-shadow: 0 9px 0 #29262f; }
.synth-keys-preview i:nth-child(2n) { height: 63%; z-index: 2; background: #08080d; border-color: var(--pink); box-shadow: 0 8px 0 #000, 0 0 18px rgba(255,42,168,.55); }
.patch-preview img { object-position: 50% 35%; filter: saturate(1.15) contrast(1.2) hue-rotate(8deg); }
.patch-preview::before { content: "PAD BUS  →  LOWPASS  →  ROOM"; position: absolute; z-index: 2; top: 15%; left: 7%; right: 7%; padding: 13px; border: 1px solid var(--cyan); background: rgba(5,5,7,.82); color: var(--cyan); font: 850 .72rem/1.4 ui-monospace, monospace; letter-spacing: .1em; }

@media (max-width: 900px) {
  .hub-intro { grid-template-columns: 1fr; }
  .hub-intro-copy { max-width: 44ch; }
  .play-portals .lab-portal:nth-child(n), .sound-portals .lab-portal { grid-column: span 12; }
  .lab-portal, .sound-portals .lab-portal { min-height: 470px; }
}
@media (max-width: 560px) {
  .lab-hub { padding-inline: 12px; }
  .hub-intro { margin-bottom: 34px; }
  .hub-intro h1 { font-size: clamp(4rem, 25vw, 6.2rem); }
  .hub-intro-copy { padding: 13px 0 2px 15px; }
  .lab-portal, .sound-portals .lab-portal { min-height: 440px; }
  .portal-copy h2, .sound-portals .portal-copy h2 { font-size: clamp(2.7rem, 15vw, 4.6rem); }
  .portal-copy { padding: 22px 18px; }
}