:root {
  --paper: #070A12;
  --sunk: #0E1420;
  --edge: rgba(255,255,255,.08);
  --ink: #ffffff;
  --muted: rgba(255,255,255,.55);
  --faint: rgba(255,255,255,.35);
  --thread: #8BE9FD;
  --gate-off: #273043;
  --perfect: #B8FFCA;
  --fail: #FF6B6B;
  --anchor: #FF3EA5;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
.mono {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
a { color: var(--thread); text-decoration: none; border-bottom: 1px solid currentColor; }
a:hover { opacity: .75; }

#pulse-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hud-brand {
  position: fixed;
  top: 26px;
  left: 30px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.hud-brand .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--thread);
  box-shadow: 0 0 8px var(--thread);
  animation: pulseDot 2.4s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .35; transform: scale(.7); }
}

.hud-lang {
  position: fixed;
  top: 26px;
  right: 30px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11.5px;
  letter-spacing: 0.1em;
}
.hud-lang a {
  border-bottom: none;
  color: var(--faint);
  padding: 4px 2px;
}
.hud-lang a[aria-current="true"] {
  color: var(--thread);
}
.hud-lang a:hover { opacity: .8; }
.hud-lang .sep { color: var(--edge); }

section {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 12vh 6vw;
}

.eyebrow {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 18px;
}

/* ---------------- Hero ---------------- */
.hero-icon-wrap {
  width: 128px;
  height: 128px;
  margin-bottom: 34px;
  perspective: 900px;
}
.hero-icon-wrap img {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 28px;
  box-shadow: 0 30px 70px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.06);
  transition: transform .15s ease-out;
  will-change: transform;
}
h1.hero-headline {
  font-size: clamp(2.3rem, 6vw, 4.3rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.08;
  max-width: 16ch;
}
h1.hero-headline .accent { color: var(--thread); }
.hero-sub {
  margin-top: 22px;
  max-width: 46ch;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.55;
  color: var(--muted);
}
.status-badge {
  margin-top: 40px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--edge);
  background: var(--sunk);
  font-size: 13px;
  color: var(--muted);
}
.status-badge .led {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--thread);
  box-shadow: 0 0 8px var(--thread);
  animation: pulseDot 2.4s ease-in-out infinite;
}
.appstore-cta {
  margin-top: 40px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid var(--thread);
  background: var(--thread);
  color: var(--paper);
  font-size: 15px;
  font-weight: 600;
}
.appstore-cta:hover { opacity: .88; }
.scroll-hint {
  position: absolute;
  bottom: 6vh;
  left: 50%;
  transform: translateX(-50%);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 10.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--faint);
}
.scroll-hint .chevron { margin-top: 7px; animation: bob 1.7s ease-in-out infinite; }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(5px); } }

/* ---------------- Mechanic ---------------- */
#mechanic-svg {
  width: min(76vw, 420px);
  height: auto;
  overflow: visible;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: transform .12s ease;
}
#mechanic-svg:hover { transform: scale(1.015); }
#mechanic-svg:active { transform: scale(0.975); }
#mechanic-svg:focus-visible {
  outline: 2px solid var(--thread);
  outline-offset: 10px;
  border-radius: 50%;
}
.mechanic-caption {
  margin-top: 26px;
  height: 22px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity .25s ease;
}
.mechanic-caption.show { opacity: 1; }
.mechanic-caption.hit { color: var(--perfect); }
.mechanic-caption.miss { color: var(--fail); }
.mechanic-caption.hint { color: var(--faint); text-transform: none; letter-spacing: 0.04em; }
.mechanic-intro {
  max-width: 42ch;
  margin-top: 8px;
  margin-bottom: 46px;
  font-size: clamp(1.3rem, 2.6vw, 1.7rem);
  font-weight: 600;
  line-height: 1.3;
}
.mechanic-note {
  max-width: 40ch;
  margin-top: 30px;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--muted);
}

/* ---------------- Gallery ---------------- */
#gallery { padding-top: 8vh; padding-bottom: 8vh; }
.gallery-heading { max-width: 30ch; font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; margin-bottom: 46px; }
.gallery-row {
  display: flex;
  gap: 26px;
  overflow-x: auto;
  max-width: 100%;
  padding: 10px 6px 30px;
  scroll-snap-type: x proximity;
}
.gallery-row::-webkit-scrollbar { height: 6px; }
.gallery-row::-webkit-scrollbar-thumb { background: var(--edge); border-radius: 999px; }
.tilt-card {
  flex: 0 0 auto;
  width: 200px;
  scroll-snap-align: center;
  perspective: 1000px;
}
.tilt-card figure { margin: 0; }
.tilt-card img {
  width: 100%;
  display: block;
  border-radius: 22px;
  box-shadow: 0 24px 60px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.06);
  transition: transform .15s ease-out;
  will-change: transform;
}
.tilt-card figcaption {
  margin-top: 14px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--faint);
}

/* ---------------- Positioning ---------------- */
.positioning-heading { font-size: clamp(1.6rem, 3.4vw, 2.4rem); font-weight: 700; max-width: 20ch; margin-bottom: 20px; }
.positioning-sub { max-width: 46ch; color: var(--muted); font-size: 15.5px; line-height: 1.6; margin-bottom: 48px; }
.positioning-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--edge);
  border: 1px solid var(--edge);
  border-radius: 18px;
  overflow: hidden;
  max-width: 720px;
  width: 100%;
  margin-bottom: 52px;
}
.positioning-item {
  background: var(--sunk);
  padding: 26px 20px;
  font-size: 13.5px;
  color: var(--muted);
  text-align: center;
}
.price-card {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 34px 48px;
  border-radius: 22px;
  border: 1px solid var(--edge);
  background: var(--sunk);
}
.price-value { font-size: 2.6rem; font-weight: 700; }
.price-value .accent { color: var(--thread); }
.price-caption { font-size: 13px; color: var(--muted); }

/* ---------------- Footer ---------------- */
footer {
  position: relative;
  z-index: 1;
  padding: 8vh 6vw 6vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  color: var(--faint);
  font-size: 12.5px;
  line-height: 1.7;
}
footer .footer-links { display: flex; gap: 18px; margin-top: 6px; flex-wrap: wrap; justify-content: center; }
footer .footer-links a { color: var(--faint); font-size: 11.5px; letter-spacing: .04em; }

@media (max-width: 700px) {
  .hud-brand { top: 18px; left: 18px; }
  .hud-lang { top: 18px; right: 18px; }
  .positioning-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* ---------------- Legal / doc pages ---------------- */
.doc-body {
  display: flex; justify-content: center; padding: 48px 20px 80px;
}
.doc-body main { max-width: 680px; width: 100%; }
.doc-body .stand { color: var(--faint); font-size: 14px; margin-bottom: 28px; }
.doc-body h1 { font-size: 30px; margin: 8px 0 32px; }
.doc-body h2 {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 13px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--thread); margin: 36px 0 10px;
}
.doc-body h3 { font-size: 15px; margin: 20px 0 6px; color: var(--ink); }
.doc-body p { margin-bottom: 12px; color: rgba(255,255,255,.72); line-height: 1.7; }
.doc-body .summary {
  background: var(--sunk); border: 1px solid var(--edge); border-left: 3px solid var(--thread);
  border-radius: 2px; padding: 16px 20px; margin: 24px 0; font-size: 15px; color: var(--muted);
}
.doc-body .card {
  background: var(--sunk); border: 1px solid var(--edge); border-radius: 16px; padding: 24px 28px; margin-top: 16px;
}
.doc-body hr { border: 0; border-top: 1px solid var(--edge); margin: 44px 0; }
.doc-body .doc-footer {
  margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--edge);
  font-size: 14px; color: var(--faint);
}
.doc-body .doc-footer a { color: var(--faint); }
.doc-back { display: inline-block; margin-bottom: 28px; font-size: 13px; }