:root {
  --ink: #100616;
  --paper: #fff4dc;
  --paper-2: #ffe8c2;
  --cyan: #3ef6ff;
  --orange: #ff8a32;
  --violet: #b46bff;
  --magenta: #ff4ec8;
  --navy: #160824;
  --deep: #07040f;
  --line: 4px solid var(--ink);
  --shadow: 8px 8px 0 var(--ink);
  --font-comic: "Bangers", system-ui, sans-serif;
  --font-cpu: "Audiowide", system-ui, sans-serif;
  --font-body: "Nunito", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100%;
  color: var(--paper);
  font-family: var(--font-body);
  background: var(--deep);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  object-position: center;
}

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3 {
  font-family: var(--font-comic);
  letter-spacing: 0.04em;
  line-height: 0.92;
  margin: 0;
}

p {
  margin: 0 0 1rem;
  line-height: 1.55;
}

/* ---------- page atmosphere (not a cropped photo) ---------- */
.wafer-field {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(1200px 700px at 12% -10%, rgba(62, 246, 255, 0.22), transparent 60%),
    radial-gradient(900px 640px at 110% 8%, rgba(255, 138, 50, 0.2), transparent 55%),
    radial-gradient(800px 800px at 50% 120%, rgba(180, 107, 255, 0.2), transparent 50%),
    repeating-linear-gradient(
      90deg,
      transparent 0 46px,
      rgba(62, 246, 255, 0.05) 46px 48px
    ),
    repeating-linear-gradient(
      0deg,
      transparent 0 46px,
      rgba(180, 107, 255, 0.05) 46px 48px
    ),
    linear-gradient(165deg, #14081f 0%, #07040f 42%, #1a0830 100%);
}

.wafer-field::after {
  content: "";
  position: absolute;
  inset: 8% 6%;
  border: 1px solid rgba(62, 246, 255, 0.12);
  clip-path: polygon(8% 0, 100% 6%, 94% 100%, 0 92%);
}

.halftone {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.16;
  background-image: radial-gradient(circle, rgba(255, 244, 220, 0.55) 1.1px, transparent 1.4px);
  background-size: 10px 10px;
  mix-blend-mode: overlay;
}

.world {
  position: relative;
  z-index: 2;
  perspective: 1600px;
  perspective-origin: 50% 18%;
}

/* ---------- HUD ---------- */
.hud {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1.1rem;
  background: rgba(7, 4, 15, 0.78);
  border-bottom: var(--line);
  backdrop-filter: blur(10px);
}

.hud-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.hud-brand img {
  width: 46px;
  height: 46px;
  border: 3px solid var(--ink);
  background: #2a1250;
  box-shadow: 3px 3px 0 var(--cyan);
}

.hud-brand strong {
  display: block;
  font-family: var(--font-cpu);
  font-size: 1.05rem;
  color: var(--cyan);
}

.hud-brand small {
  display: block;
  color: var(--paper-2);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hud-links {
  display: flex;
  gap: 1.15rem;
  margin-left: auto;
  font-family: var(--font-cpu);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hud-links a:hover {
  color: var(--cyan);
}

.hud-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hud-burger {
  display: none;
  width: 42px;
  height: 42px;
  border: var(--line);
  background: var(--paper);
  box-shadow: 3px 3px 0 var(--orange);
}

.hud-burger span {
  display: block;
  height: 3px;
  margin: 5px 8px;
  background: var(--ink);
}

/* ---------- comic chip buttons ---------- */
.chip-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.8rem;
  border: var(--line);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-cpu);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: 4px 4px 0 var(--ink);
  transform: skewX(-8deg);
}

.chip-btn > * {
  transform: skewX(8deg);
}

.chip-btn:hover {
  transform: skewX(-8deg) translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.chip-btn--lg {
  padding: 0.75rem 1.1rem;
  font-size: 0.82rem;
}

.chip-btn--buy { background: var(--cyan); }
.chip-btn--dex { background: var(--orange); }
.chip-btn--x,
.chip-btn--ghost { background: var(--paper); }
.chip-btn--ghost { padding: 0.4rem 0.7rem; }

/* ---------- shared core chrome ---------- */
.core {
  position: relative;
  width: min(1180px, calc(100% - 1.6rem));
  margin: 2.4rem auto 0;
  padding: 1.4rem 1.2rem 1.7rem;
  transform-style: preserve-3d;
}

.core-tag {
  position: absolute;
  top: -12px;
  left: 18px;
  z-index: 3;
  padding: 0.25rem 0.7rem;
  background: var(--orange);
  color: var(--ink);
  border: 3px solid var(--ink);
  font-family: var(--font-cpu);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
}

.core h2 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  margin-bottom: 0.7rem;
  text-shadow: 3px 3px 0 var(--ink), 6px 6px 0 rgba(62, 246, 255, 0.35);
}

/* print crop marks */
.core::before,
.core::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(62, 246, 255, 0.7);
  pointer-events: none;
}

.core::before { top: 8px; left: 8px; border-right: 0; border-bottom: 0; }
.core::after { right: 8px; bottom: 8px; border-left: 0; border-top: 0; }

/* ========== CORE 0: socket well (hero) ========== */
.core--boot {
  transform: rotateX(7deg);
  background:
    linear-gradient(145deg, rgba(22, 8, 36, 0.92), rgba(10, 4, 20, 0.88));
  border: 5px solid var(--ink);
  box-shadow: var(--shadow), 0 0 0 10px rgba(62, 246, 255, 0.12);
  border-radius: 2px 48px 2px 36px;
}

.socket {
  position: relative;
}

.socket-pins {
  position: absolute;
  inset: -6px;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(62, 246, 255, 0.55) 1.5px, transparent 2px);
  background-size: 22px 22px;
  mask-image: linear-gradient(#000, #000), linear-gradient(#000, #000);
  opacity: 0.45;
}

.boot-grid {
  display: grid;
  grid-template-columns: minmax(240px, 360px) 1fr;
  gap: 1.5rem 2rem;
  align-items: center;
  padding: 1.2rem 0.4rem 0.4rem;
}

.mascot-well {
  position: relative;
  transform: rotateY(-12deg) translateZ(40px);
}

@media (min-width: 901px) {
  .mascot-well {
    animation: boot-float 4.8s ease-in-out infinite;
  }
}

@keyframes boot-float {
  0%, 100% { transform: rotateY(-12deg) translateZ(40px) translateY(0); }
  50% { transform: rotateY(-12deg) translateZ(40px) translateY(-10px); }
}

.mascot-die {
  background: #2d1460;
  border: 6px solid var(--ink);
  box-shadow:
    14px 14px 0 var(--cyan),
    20px 20px 0 var(--ink);
  padding: 0.45rem;
}

.mascot-die img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #1a0a38;
}

.pin1 {
  position: absolute;
  left: -6px;
  top: -8px;
  width: 0;
  height: 0;
  border-left: 18px solid var(--orange);
  border-bottom: 18px solid transparent;
  font-size: 0;
}

.pin1::after {
  content: "PIN 1";
  position: absolute;
  left: 16px;
  top: -2px;
  font-family: var(--font-cpu);
  font-size: 0.62rem;
  color: var(--orange);
  white-space: nowrap;
}

.ticker-label {
  display: inline-block;
  margin-bottom: 0.45rem;
  padding: 0.15rem 0.5rem;
  background: var(--violet);
  color: var(--ink);
  border: 3px solid var(--ink);
  font-family: var(--font-cpu);
  font-size: 0.68rem;
}

.boot-copy h1 {
  font-size: clamp(3.1rem, 8vw, 6.2rem);
  margin-bottom: 0.8rem;
}

.boot-copy h1 span {
  color: var(--cyan);
}

.boot-copy h1 em {
  display: inline-block;
  margin-left: 0.35rem;
  color: var(--orange);
  font-style: normal;
  font-size: 0.42em;
  vertical-align: super;
}

.balloon {
  position: relative;
  max-width: 36rem;
  margin-bottom: 1rem;
  padding: 0.9rem 1.1rem;
  background: var(--paper);
  color: var(--ink);
  border: 4px solid var(--ink);
  border-radius: 22px 22px 22px 6px;
  font-weight: 800;
  font-size: 1.12rem;
}

.balloon::after {
  content: "";
  position: absolute;
  left: -16px;
  bottom: 18px;
  border-style: solid;
  border-width: 10px 18px 10px 0;
  border-color: transparent var(--paper) transparent transparent;
  filter: drop-shadow(-4px 0 0 var(--ink));
}

.ca-board {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.45rem;
  align-items: center;
  margin-bottom: 1.1rem;
  padding: 0.45rem 0.5rem;
  background: #0b0614;
  border: 4px solid var(--cyan);
  box-shadow: 5px 5px 0 var(--ink);
  font-family: ui-monospace, "Cascadia Code", monospace;
}

.ca-board__label {
  padding: 0.2rem 0.4rem;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-cpu);
  font-size: 0.62rem;
}

.ca-board__value {
  overflow: hidden;
  color: var(--paper);
  font-size: 0.78rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ca-board__copy {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.55rem;
  border: 3px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-cpu);
  font-size: 0.68rem;
  cursor: pointer;
}

.ca-board__copy.is-copied {
  background: var(--cyan);
}

.boot-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* ========== CORE 1: splash manga page (banner, never cropped) ========== */
.core--arch {
  transform: rotateY(-5deg) rotateX(2deg);
  background: #1a0c2c;
  border: 5px solid var(--ink);
  box-shadow: -10px 10px 0 var(--orange), -16px 16px 0 var(--ink);
  border-radius: 28px 4px 32px 4px;
}

.wide-cel {
  position: relative;
  margin-top: 0.6rem;
  background: #0a0416;
  border: 5px solid var(--ink);
  box-shadow: 6px 6px 0 var(--violet);
}

.wide-cel__art {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: contain;
  object-position: center;
  background: #12071f;
}

.wide-cel__caption {
  padding: 0.55rem 0.8rem 0.7rem;
  background: var(--paper);
  color: var(--ink);
  border-top: 4px solid var(--ink);
  font-family: var(--font-comic);
  font-size: clamp(1.1rem, 3vw, 1.7rem);
  letter-spacing: 0.04em;
}

.wide-cel__caption span {
  display: block;
  margin-bottom: 0.15rem;
  font-family: var(--font-cpu);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: #5a2a00;
}

.arch-split {
  display: grid;
  grid-template-columns: minmax(220px, 340px) 1fr;
  gap: 1.3rem;
  margin-top: 1.3rem;
  align-items: stretch;
}

.cel {
  margin: 0;
  background: #12081f;
  border: 5px solid var(--ink);
  box-shadow: 8px 8px 0 var(--cyan);
}

.cel figcaption {
  padding: 0.35rem 0.55rem;
  background: var(--cyan);
  color: var(--ink);
  border-bottom: 4px solid var(--ink);
  font-family: var(--font-cpu);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
}

.cel img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #1a0a32;
}

.cel--tilt-left { transform: rotate(-2.4deg) rotateY(-8deg); }
.cel--tilt-right { transform: rotate(2.2deg) rotateY(8deg); }

.cel--hex {
  transform: rotate(1.5deg);
  box-shadow:
    0 0 0 6px var(--ink),
    0 0 0 12px var(--orange),
    14px 14px 0 var(--violet);
}

.spec-sheet {
  padding: 1.1rem 1.15rem 1.2rem;
  background: var(--paper);
  color: var(--ink);
  border: 5px solid var(--ink);
  box-shadow: 8px 8px 0 var(--magenta);
  transform: rotate(0.6deg);
}

.spec-sheet h2 { color: var(--ink); text-shadow: none; }
.spec-sheet__lead {
  font-size: 1.12rem;
  font-weight: 800;
}

.spec-bits {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.spec-bits li {
  padding: 0.45rem 0.55rem;
  background: var(--paper-2);
  border: 3px solid var(--ink);
  font-size: 0.92rem;
}

.spec-bits b {
  display: block;
  font-family: var(--font-cpu);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: #6a2ad4;
}

/* ========== CORE 2: exploded pipeline (how to buy) ========== */
.core--pipe {
  transform: rotateX(4deg) rotateY(6deg);
  background:
    linear-gradient(180deg, rgba(62, 246, 255, 0.08), transparent 30%),
    #140a22;
  border: 5px solid var(--ink);
  box-shadow: 12px 0 0 var(--cyan), 18px 0 0 var(--ink);
  border-radius: 4px 4px 40px 4px;
}

.pipe-head {
  display: grid;
  grid-template-columns: minmax(210px, 300px) 1fr;
  gap: 1.3rem;
  align-items: center;
  margin-top: 0.4rem;
  margin-bottom: 1.3rem;
}

.pipeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
  transform-style: preserve-3d;
}

.stage {
  position: relative;
  padding: 1.1rem 0.95rem 1.2rem;
  border: 4px solid var(--ink);
  color: var(--ink);
}

.stage h3 {
  margin-bottom: 0.45rem;
  font-size: 2rem;
}

.stage__clock {
  display: inline-block;
  margin-bottom: 0.45rem;
  padding: 0.12rem 0.4rem;
  border: 3px solid var(--ink);
  font-family: var(--font-cpu);
  font-size: 0.65rem;
}

.stage--fetch {
  background: #ffe27a;
  transform: rotateY(16deg) translateZ(-24px);
}

.stage--decode {
  background: var(--cyan);
  transform: translateZ(28px);
}

.stage--execute {
  background: #ffb088;
  transform: rotateY(-16deg) translateZ(-24px);
}

.stage--execute .chip-btn {
  margin-top: 0.35rem;
}

/* ========== CORE 3: I/O hex bus ========== */
.core--bus {
  transform: rotateX(-3deg);
  margin-bottom: 2rem;
  background:
    radial-gradient(circle at 80% 40%, rgba(255, 138, 50, 0.2), transparent 40%),
    #1b0b2e;
  border: 5px solid var(--ink);
  box-shadow: 0 14px 0 var(--violet), 0 20px 0 var(--ink);
  border-radius: 50px 8px 8px 50px;
}

.bus-grid {
  display: grid;
  grid-template-columns: 1.1fr minmax(230px, 340px);
  gap: 1.3rem;
  align-items: center;
  margin-top: 0.5rem;
}

.io-sheet h2 { margin-bottom: 0.6rem; }

.io-pads {
  display: grid;
  gap: 0.7rem;
  margin-top: 1rem;
}

.pad {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 0.75rem;
  align-items: center;
  padding: 0.75rem 0.9rem;
  background: var(--paper);
  color: var(--ink);
  border: 4px solid var(--ink);
  box-shadow: 5px 5px 0 var(--orange);
}

.pad i {
  grid-row: 1 / span 2;
  font-size: 1.45rem;
}

.pad span {
  font-family: var(--font-comic);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}

.pad small {
  color: #5c3a16;
  font-family: var(--font-cpu);
  font-size: 0.68rem;
}

.pad:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--orange);
}

.tail {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 1.4rem 1rem 2.2rem;
  color: rgba(255, 244, 220, 0.7);
  font-size: 0.88rem;
}

.tail img {
  width: 36px;
  height: 36px;
  border: 3px solid var(--ink);
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .world { perspective: none; }
  .core,
  .core--boot,
  .core--arch,
  .core--pipe,
  .core--bus,
  .mascot-well,
  .cel--tilt-left,
  .cel--tilt-right,
  .cel--hex,
  .stage--fetch,
  .stage--decode,
  .stage--execute,
  .spec-sheet {
    transform: none;
    clip-path: none;
  }

  .hud-links {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    gap: 0;
    background: #12081d;
    border-bottom: var(--line);
  }

  .hud-links.is-open { display: flex; }
  .hud-links a { padding: 0.85rem 1.1rem; border-top: 1px solid rgba(255,244,220,0.12); }
  .hud-burger { display: block; }

  .boot-grid,
  .arch-split,
  .pipe-head,
  .bus-grid,
  .pipeline {
    grid-template-columns: 1fr;
  }

  .ca-board {
    grid-template-columns: 1fr auto;
  }

  .ca-board__label {
    grid-column: 1 / -1;
    width: max-content;
  }

}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .chip-btn:hover,
  .pad:hover { transform: none; }
}