:root {
  /* DESIGN tokens: Space Grotes* Grotesk* Grotesk** main wordmark; IBM Plex Mon* Mono* Mono** diagnostic labels. */
  --paper: #F4E7C5;
  --honey: #D8A94E;
  --charcoal: #171512;
  --biscuit: #BFA778;
  --tomato: #D94B35;
  --lavender: #9D87C8;
  --green: #3F6B4F;
  --shadow: #6E5732;
  --lit: #FFF9E8;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--charcoal);
  font-family: "Archivo", Arial, sans-serif;
  cursor: crosshair;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: .23;
  background-image:
    radial-gradient(circle at 12% 18%, rgba(23, 21, 18, .16) 0 1px, transparent 1.5px),
    radial-gradient(circle at 72% 42%, rgba(110, 87, 50, .18) 0 1px, transparent 1.5px),
    linear-gradient(90deg, rgba(255, 249, 232, .22), transparent 18%, rgba(23, 21, 18, .06) 19%, transparent 20%);
  background-size: 31px 29px, 43px 37px, 7px 100%;
  mix-blend-mode: multiply;
}

.boot-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 9px;
  background: repeating-linear-gradient(90deg, var(--tomato) 0 18px, var(--charcoal) 18px 23px, var(--honey) 23px 42px);
  border-bottom: 3px solid var(--charcoal);
  z-index: 60;
}

.console { width: 100%; }

.room {
  position: relative;
  min-height: 100vh;
  padding: clamp(24px, 4vw, 58px);
  display: grid;
  place-items: stretch;
  overflow: hidden;
  border-bottom: 5px solid var(--charcoal);
}

.room::before {
  content: attr(data-room);
  position: absolute;
  right: 22px;
  top: 22px;
  font-family: "IBM Plex Mono", monospace;
  font-weight: 700;
  letter-spacing: .14em;
  font-size: 12px;
  padding: 8px 12px;
  background: var(--lit);
  border: 3px solid var(--charcoal);
  box-shadow: 5px 5px 0 var(--shadow);
  z-index: 8;
}

.room-grid {
  width: 100%;
  min-height: calc(100vh - clamp(48px, 8vw, 116px));
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: repeat(8, minmax(54px, 1fr));
  gap: clamp(10px, 1.4vw, 20px);
  position: relative;
}

.module,
.mute-toggle,
.tomato-chip,
.tape {
  border: 4px solid var(--charcoal);
  box-shadow: 10px 10px 0 var(--shadow);
  position: relative;
}

.module {
  background: var(--lit);
  padding: clamp(16px, 2vw, 28px);
  isolation: isolate;
}

.module::before,
.module::after {
  content: "";
  position: absolute;
  pointer-events: none;
  opacity: 0;
  transition: opacity .35s ease;
}

.module::before {
  inset: -8px;
  border: 2px dashed var(--tomato);
  clip-path: inset(0 100% 0 0);
}

.module::after {
  width: 13px;
  height: 13px;
  right: -10px;
  bottom: -10px;
  background: var(--honey);
  border: 3px solid var(--charcoal);
}

.module.in-view::before,
.module:hover::before {
  opacity: 1;
  animation: traceFrame 1.15s steps(8) forwards, ants .5s linear infinite 1.15s;
}

.module.in-view::after,
.module:hover::after { opacity: 1; animation: solderBlink .75s steps(2, end) infinite; }

.diag,
.stamp,
.module span,
.zine-note,
.terminal-line,
.final-prompt,
.room-nav,
kbd {
  font-family: "IBM Plex Mono", monospace;
}

h1, h2, .wordmark {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: -.07em;
  line-height: .82;
}

h1 { font-size: clamp(58px, 11vw, 170px); }
h2 { font-size: clamp(48px, 8vw, 118px); }
p { font-size: clamp(17px, 1.55vw, 24px); line-height: 1.2; margin: 16px 0 0; max-width: 820px; }

.boot-room { background: var(--paper); }
.wordmark {
  grid-column: 1 / 13;
  grid-row: 1 / 4;
  align-self: start;
  font-size: clamp(96px, 18vw, 270px);
  white-space: nowrap;
  transform: translateX(-7vw) rotate(-1deg);
  opacity: .96;
  color: var(--charcoal);
  text-shadow: 12px 12px 0 var(--biscuit);
  z-index: 1;
}

.console-slab {
  grid-column: 2 / 9;
  grid-row: 3 / 8;
  background: var(--charcoal);
  color: var(--paper);
  z-index: 3;
  box-shadow: 16px 16px 0 var(--shadow);
}

.console-slab .diag { color: var(--honey); }
.console-slab p { color: var(--paper); }
.terminal-line { display: flex; gap: 12px; align-items: center; margin-top: 26px; color: var(--honey); text-transform: uppercase; }
.terminal-line i { width: 82px; height: 12px; background: repeating-linear-gradient(90deg, var(--green) 0 8px, transparent 8px 13px); display: inline-block; }
.cursor { display: inline-block; width: 16px; height: 26px; background: var(--lit); animation: cursorBlink .85s steps(2, end) infinite; }

.mute-toggle {
  grid-column: 9 / 12;
  grid-row: 4 / 5;
  z-index: 4;
  background: var(--lavender);
  color: var(--charcoal);
  font: 700 18px "Space Grotesk", sans-serif;
  text-transform: uppercase;
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.toggle-track { width: 92px; height: 38px; border: 4px solid var(--charcoal); background: var(--paper); position: relative; display: inline-block; }
.toggle-dot { width: 24px; height: 24px; background: var(--charcoal); position: absolute; left: 4px; top: 3px; transition: transform .24s cubic-bezier(.2,1.4,.5,1); }
.mute-toggle[data-state="noise"] .toggle-dot { transform: translateX(50px); background: var(--tomato); }

.honey-tab { grid-column: 1 / 4; grid-row: 7 / 8; background: var(--honey); transform: rotate(2deg); z-index: 5; font-weight: 800; }
.lavender-switch { grid-column: 10 / 13; grid-row: 6 / 7; background: var(--lavender); transform: translateY(14px) rotate(-3deg); z-index: 5; }
.tomato-chip { background: var(--tomato); color: var(--lit); font: 800 16px "Space Grotesk", sans-serif; text-transform: uppercase; padding: 14px 18px; }
.boot-room .tomato-chip { grid-column: 8 / 11; grid-row: 2 / 3; z-index: 5; transform: rotate(5deg); }
.trace { position: absolute; fill: none; stroke: var(--green); stroke-width: 6; stroke-linecap: square; stroke-linejoin: miter; z-index: 2; }
.trace path { stroke-dasharray: 900; stroke-dashoffset: 900; transition: stroke-dashoffset 1.8s ease; }
.trace circle { fill: var(--paper); stroke: var(--charcoal); stroke-width: 4; }
.in-view .trace path, .room.is-active .trace path { stroke-dashoffset: 0; }
.boot-trace { right: 2vw; bottom: 4vh; width: min(38vw, 520px); }

.static-room { background: linear-gradient(135deg, var(--paper) 0 55%, var(--biscuit) 55% 100%); }
.title-block { grid-column: 1 / 7; grid-row: 1 / 4; background: var(--honey); transform: rotate(-1.2deg); }
.waveform-card { grid-column: 6 / 12; grid-row: 4 / 8; background: var(--charcoal); color: var(--paper); transform: translateX(10px); }
.stamp { display: inline-block; background: var(--tomato); color: var(--lit); border: 3px solid var(--paper); padding: 8px 12px; transform: rotate(2deg); }
.wavebars { display: flex; align-items: end; gap: 8px; height: 120px; margin: 28px 0; border: 3px solid var(--paper); padding: 12px; overflow: visible; }
.wavebars i { flex: 1; min-width: 9px; background: var(--honey); border: 2px solid var(--paper); height: 20%; transform-origin: bottom; }
.checker-strip { grid-column: 8 / 13; grid-row: 2 / 3; background: conic-gradient(var(--charcoal) 25%, var(--lit) 0 50%, var(--charcoal) 0 75%, var(--lit) 0); background-size: 34px 34px; border: 4px solid var(--charcoal); transform: rotate(3deg); }
.memphis { position: absolute; border: 4px solid var(--charcoal); }
.dot-a { width: 120px; height: 120px; border-radius: 50%; background: var(--lavender); left: 8%; bottom: 11%; box-shadow: 9px 9px 0 var(--shadow); }
.shard-a { width: 170px; height: 72px; background: var(--tomato); right: 12%; top: 15%; transform: skew(-22deg) rotate(-8deg); }
.squiggle-a { border: 0; font: 700 82px "Space Grotesk", sans-serif; color: var(--green); left: 34%; top: 48%; transform: rotate(17deg); }
.key-cluster { grid-column: 2 / 5; grid-row: 5 / 7; background: var(--biscuit); display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
kbd { background: var(--charcoal); color: var(--paper); border: 3px solid var(--paper); padding: 12px; box-shadow: 4px 4px 0 var(--shadow); }
.zine-note { grid-column: 1 / 6; grid-row: 8 / 9; align-self: end; font-size: 18px; background: var(--lit); border: 3px solid var(--charcoal); padding: 12px 16px; transform: rotate(-2deg); }

.patch-room { background: var(--paper); }
.patch-panel { grid-column: 2 / 9; grid-row: 2 / 6; background: var(--lit); z-index: 3; }
.patch-trace { width: 72vw; left: 12vw; top: 22vh; stroke: var(--tomato); z-index: 2; }
.tape { background: rgba(216,169,78,.9); padding: 10px 22px; font: 700 18px "IBM Plex Mono", monospace; text-transform: uppercase; z-index: 5; }
.tape-one { grid-column: 1 / 4; grid-row: 1 / 2; transform: rotate(-6deg); }
.tape-two { grid-column: 9 / 12; grid-row: 6 / 7; transform: rotate(4deg); background: var(--lavender); }
.dip-switch { grid-column: 9 / 12; grid-row: 2 / 4; background: var(--charcoal); color: var(--paper); z-index: 4; }
.dip-switch div { display: flex; gap: 13px; margin-top: 20px; }
.dip-switch i { width: 28px; height: 78px; border: 3px solid var(--paper); background: var(--shadow); display: block; position: relative; }
.dip-switch i::after { content: ""; position: absolute; left: 3px; right: 3px; bottom: 5px; height: 25px; background: var(--paper); }
.dip-switch i.on::after { bottom: 43px; background: var(--honey); }
.label-stack { grid-column: 10 / 13; grid-row: 4 / 8; background: var(--honey); display: flex; flex-direction: column; gap: 10px; transform: rotate(2deg); z-index: 5; }
.label-stack b { font: 700 clamp(28px, 4vw, 58px) "Space Grotesk"; background: var(--lit); border: 3px solid var(--charcoal); padding: 4px 12px; transform: translateX(-12px); }
.biscuit-card { grid-column: 3 / 7; grid-row: 6 / 8; background: var(--biscuit); z-index: 5; transform: rotate(-1deg); }

.signal-room { background: var(--biscuit); }
.signal-head { grid-column: 1 / 8; grid-row: 1 / 4; background: var(--paper); z-index: 4; }
.schematic { grid-column: 4 / 12; grid-row: 3 / 8; background: var(--charcoal); z-index: 2; }
.schematic svg { width: 100%; height: 100%; }
.schematic path { fill: none; stroke: var(--green); stroke-width: 8; stroke-linecap: square; stroke-dasharray: 700; stroke-dashoffset: 700; transition: stroke-dashoffset 1.5s ease; }
.schematic circle { fill: var(--honey); stroke: var(--paper); stroke-width: 5; }
.signal-room.is-active .schematic path { stroke-dashoffset: 0; }
.lavender-console { grid-column: 8 / 13; grid-row: 1 / 3; background: var(--lavender); z-index: 5; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.mini-switch { width: 62px; height: 34px; border: 3px solid var(--charcoal); background: var(--paper); padding: 3px; }
.mini-switch i { display: block; width: 21px; height: 21px; background: var(--charcoal); transition: transform .25s ease; }
.mini-switch.is-on i { transform: translateX(27px); background: var(--tomato); }
.coord-card { grid-column: 1 / 4; grid-row: 5 / 8; background: var(--honey); font: 700 clamp(20px, 2vw, 31px) "IBM Plex Mono"; }
.green-cross { position: absolute; width: 54px; height: 54px; }
.green-cross::before, .green-cross::after { content: ""; position: absolute; background: var(--green); border: 2px solid var(--charcoal); }
.green-cross::before { width: 54px; height: 12px; top: 21px; }
.green-cross::after { height: 54px; width: 12px; left: 21px; }
.c1 { left: 18%; top: 38%; } .c2 { right: 7%; bottom: 10%; transform: rotate(11deg); } .c3 { left: 55%; top: 8%; transform: rotate(-8deg); }

.after-room { background: linear-gradient(180deg, var(--paper), var(--biscuit)); }
.zine-panel { grid-column: 2 / 10; grid-row: 2 / 7; background: var(--lit); transform: rotate(-.7deg); z-index: 4; }
.final-prompt { margin-top: 28px; background: var(--charcoal); color: var(--honey); padding: 16px; border: 4px solid var(--charcoal); font-size: clamp(18px, 2vw, 28px); }
.closing-label { grid-column: 8 / 12; grid-row: 7 / 8; background: var(--honey); z-index: 5; }
.tiny-lit { grid-column: 11 / 13; grid-row: 2 / 3; background: var(--lit); font: 700 24px "IBM Plex Mono"; transform: rotate(4deg); z-index: 5; }
.after-dots { grid-column: 1 / 3; grid-row: 6 / 8; display: grid; grid-template-columns: repeat(2, 70px); gap: 18px; align-content: center; }
.after-dots i { width: 70px; height: 70px; background: var(--lavender); border: 4px solid var(--charcoal); border-radius: 50%; box-shadow: 6px 6px 0 var(--shadow); }
.final-chip { grid-column: 10 / 13; grid-row: 4 / 5; transform: rotate(-8deg); z-index: 6; }

.room-nav {
  position: fixed;
  left: 18px;
  bottom: 18px;
  z-index: 55;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  max-width: 520px;
}
.room-nav a { color: var(--charcoal); text-decoration: none; background: var(--lit); border: 3px solid var(--charcoal); padding: 7px 10px; box-shadow: 4px 4px 0 var(--shadow); font-size: 12px; font-weight: 700; }
.room-nav a.is-current { background: var(--tomato); color: var(--lit); transform: translateY(-5px); }

body.noise .grain { opacity: .36; }
body.noise .wavebars i { animation-duration: .28s; }
body.noise .module::before { border-color: var(--lavender); }

@keyframes traceFrame { to { clip-path: inset(0 0 0 0); } }
@keyframes ants { to { border-color: var(--green); } }
@keyframes solderBlink { 50% { background: var(--tomato); transform: scale(1.25); } }
@keyframes cursorBlink { 50% { opacity: 0; } }
@keyframes waveJump { 50% { transform: scaleY(var(--amp, 1.8)) translateY(var(--escape, -6px)); background: var(--tomato); } }

.wavebars.is-running i { animation: waveJump .65s steps(3, end) infinite; }

@media (max-width: 820px) {
  .room { padding: 18px; }
  .room-grid { grid-template-columns: repeat(6, 1fr); grid-template-rows: repeat(10, minmax(58px, auto)); }
  .wordmark { grid-column: 1 / 7; font-size: 25vw; }
  .console-slab, .title-block, .waveform-card, .patch-panel, .signal-head, .schematic, .zine-panel { grid-column: 1 / 7; }
  .console-slab { grid-row: 3 / 8; }
  .mute-toggle, .lavender-switch, .honey-tab, .dip-switch, .label-stack, .biscuit-card, .lavender-console, .coord-card, .closing-label, .tiny-lit { grid-column: 1 / 7; }
  .checker-strip, .tomato-chip, .tape, .zine-note { grid-column: 1 / 7; }
  .room-nav { right: 12px; left: 12px; }
}