/* =========================================================
   VA360 — reference-driven instrument
   Intro → centered lens → circle categories
   Modern · minimal · no page scroll on home
   ========================================================= */

:root {
  --bg: #ffffff;
  --ink: #0a0a0a;
  --muted: rgba(10, 10, 10, 0.45);
  --hud: #8fd4a8;
  --hud-deep: #5cb87e;
  --hud-soft: rgba(143, 212, 168, 0.35);
  --hud-mint: #a8e6b8;
  --hud-mint-dim: rgba(168, 230, 184, 0.22);
  --lens-size: min(42vmin, 380px);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --pixel: "Chakra Petch", system-ui, sans-serif;
}

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

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

body {
  position: fixed;
  inset: 0;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  background: none;
  border: 0;
  padding: 0;
}

img {
  display: block;
  max-width: 100%;
}

#app {
  position: relative;
  width: 100%;
  height: 100dvh;
  overflow: hidden;
  background: var(--bg);
}

/* ========== INTRO ========== */
/*
 * Vert Dome Globe only — full portrait frame, centered.
 * object-fit: contain keeps the shot intact (letterbox on wide screens).
 * Speed is playbackRate in JS. No CSS filters/transforms on the plate.
 */
.intro {
  position: absolute;
  inset: 0;
  z-index: 50;
  background: #000;
  display: grid;
  place-items: center;
  overflow: hidden;
  pointer-events: none;
  user-select: none;
}

#app.is-booting {
  user-select: none;
}

.intro.is-handoff {
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s linear;
}

.intro.is-done {
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.intro__video {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center center;
  background: #000;
  transform: none !important;
  filter: none !important;
  opacity: 1;
  image-rendering: auto;
}

.intro__motion,
.intro__digit {
  display: none !important;
}

.home.is-intro-boot {
  display: none !important;
}

.intro__skip {
  position: absolute;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 80; /* above boot lens */
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  background: rgba(10, 12, 16, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 0.55rem 1rem;
  transition: color 0.2s, background 0.2s;
  cursor: pointer;
  pointer-events: auto;
}
.intro__skip:hover {
  color: #fff;
  background: rgba(10, 12, 16, 0.8);
}

/* Ensure [hidden] always wins over layout rules */
[hidden] {
  display: none !important;
}

/*
 * BRIDGE — plain opacity fade of the last clean frame into home.
 * No digital strip, no recolor, no scale punch, no clip-path “effects.”
 */
.bridge {
  position: absolute;
  inset: 0;
  z-index: 55;
  pointer-events: none;
  overflow: hidden;
  background: transparent;
  opacity: 1;
  transition: opacity 0.45s linear;
}

.bridge__digit {
  display: none !important;
}

.bridge__frame {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  opacity: 1;
  transition: opacity 0.45s linear;
}

.bridge__still {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  background: #000;
  transform: none !important;
  filter: none !important;
  opacity: 1;
  image-rendering: auto;
}

.bridge.is-strip .bridge__frame,
.bridge.is-strip .bridge__still {
  opacity: 0;
  filter: none !important;
  transform: none !important;
}

.bridge.is-fade {
  opacity: 0;
  transition: opacity 0.35s linear;
}

/* ========== HOME ========== */
.home {
  position: absolute;
  inset: 0;
  /* Above intro during strip so the hole reveals the real lens, not the video */
  z-index: 40;
  overflow: hidden;
  /* Deep underplate so soft buildings never fall back to blank white */
  background: #0a0c10;
  transition: background 0.8s var(--ease);
}

/* Real instrument is already under the hole; reveal as film clears */
.home.is-arriving .lens {
  animation: none;
  opacity: 1;
  --scale: 1;
  filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.45));
}

/*
 * Intro: lens hidden (not needed during plate playback).
 * Rest (final frame held): lens fades in, recessed.
 * Hover/nav: lens comes forward — larger, full strength.
 */
.home.is-settle .lens {
  animation: none;
  --scale: 0.82;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  filter:
    drop-shadow(0 10px 22px rgba(0, 0, 0, 0.35))
    brightness(0.88);
  transition:
    transform 0.55s cubic-bezier(0.25, 0.8, 0.25, 1),
    opacity 0.65s cubic-bezier(0.25, 0.8, 0.25, 1),
    filter 0.55s cubic-bezier(0.25, 0.8, 0.25, 1),
    visibility 0s linear 0.65s;
}

/* After intro final frame: instrument enters — solid against map */
.home.is-settle.is-world-rest .lens {
  opacity: 0.94;
  visibility: visible;
  pointer-events: auto;
  filter:
    drop-shadow(0 12px 28px rgba(0, 0, 0, 0.55))
    brightness(1);
  transition:
    transform 0.55s cubic-bezier(0.25, 0.8, 0.25, 1),
    opacity 0.65s cubic-bezier(0.25, 0.8, 0.25, 1),
    filter 0.55s cubic-bezier(0.25, 0.8, 0.25, 1),
    visibility 0s;
}

.home.is-settle .lens.is-live {
  animation: none;
}

.home.is-hover .lens,
.home.is-nav .lens {
  --scale: 1.06;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  filter: drop-shadow(0 16px 32px rgba(0, 0, 0, 0.5)) brightness(1);
  animation: none !important;
}

/* HUD / cats not in intro either */
.home.is-settle:not(.is-world-rest) .hud-rings,
.home.is-settle:not(.is-world-rest) .cats {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

@media (prefers-reduced-motion: reduce) {
  .bridge__frame,
  .bridge__veil,
  .bridge__still {
    transition-duration: 0.01ms !important;
  }
}

/*
 * Living world layer — dual-buffer drone video under the instrument.
 * Rest: photoreal plate + light veil (logo owns page) — NO video blur.
 * Engaged: clear lock + head-look pan. Travel: brief orb continuum.
 * Filters on <video> are avoided — they force re-raster and look muddy/choppy.
 */
.world {
  --world-wake: 0;
  --wake-ease: cubic-bezier(0.25, 0.8, 0.25, 1);
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: 0;
  background: #000;
  transition: opacity 0.45s var(--wake-ease);
  transform: none;
  backface-visibility: hidden;
}

.home.is-settle .world,
.home.is-site .world,
.world.is-ready {
  opacity: 1;
}

.world__stage {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  will-change: transform;
  transform: none;
  transform-origin: 50% 50%;
  backface-visibility: hidden;
}

.world__vid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  /* Full Vert Dome Globe frame — same as intro, not cover-cropped */
  object-fit: contain;
  object-position: center center;
  opacity: 0;
  transition: opacity 0.38s linear;
  background: #000;
  filter: none !important;
  transform: none !important;
  backface-visibility: hidden;
  image-rendering: auto;
}

.world__vid.is-active {
  opacity: 1;
}

.world[data-aspect="portrait"] .world__vid {
  object-fit: contain;
  object-position: center center;
}

.world__veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  /* Light dim only so logo reads — keep plate clarity (not muddy) */
  background:
    radial-gradient(
      ellipse 72% 62% at 50% 48%,
      rgba(6, 8, 12, calc(0.02 + (1 - var(--world-wake)) * 0.08)) 0%,
      rgba(6, 8, 12, calc(0.08 + (1 - var(--world-wake)) * 0.1)) 100%
    );
  transition: opacity 0.4s var(--wake-ease), background 0.4s var(--wake-ease);
  will-change: opacity;
}

.world.is-engaged .world__veil {
  background:
    radial-gradient(
      ellipse 75% 65% at 50% 48%,
      rgba(6, 8, 12, 0) 0%,
      rgba(6, 8, 12, 0.06) 100%
    );
}

/* Travel: slight contrast lift only — still no blur on video */
.world.is-traveling .world__vid.is-active {
  filter: none;
}

.world.is-traveling .world__veil {
  background:
    radial-gradient(
      ellipse 60% 55% at 50% 48%,
      rgba(6, 8, 12, 0.08) 0%,
      rgba(6, 8, 12, 0.28) 100%
    );
}

.home.is-traveling .cats,
.home.is-traveling .ghost-field,
.home.is-traveling .bg-logo {
  opacity: 0 !important;
  pointer-events: none !important;
}

.home.is-traveling .lens {
  --scale: 0.92;
  opacity: 0.75;
  transition:
    transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1),
    opacity 0.35s ease;
}

/*
 * Vert Dome Globe — fixed viewport WINDOW over the full original plate.
 *
 * .world-bg     = clip frame + sky-blue fill (hides plate rectangle edges)
 * .world-bg__plate = FULL source (1080×1920) sized to cover-equivalent scale,
 *                    sphere center anchored; THIS layer spins as the dial.
 * Video fills the plate 1:1 (no object-fit:cover on a viewport-sized box).
 * Lens/stage stay fixed on top — they are not part of the plate transform.
 */
.world-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  /*
   * MUST match plate sky exactly — any mismatch reads as a hard edge when
   * the full plate rotates / zooms. Sampled from vert-dome-globe final frame
   * top sky + edge blues (blend ≈ #76a7d8).
   */
  background: #76a7d8;
  --plate-w: 100%;
  --plate-h: 100%;
  --plate-l: 0px;
  --plate-t: 0px;
  /* Dial pivot = lens/viewport center in plate-local px (set by layoutWorldPlate) */
  --pivot-x: 50%;
  --pivot-y: 50%;
  /* Dial (JS): rot about pivot; tx/ty stay 0 so circle does not wander */
  --map-tx: 0px;
  --map-ty: 0px;
  --map-rot: 0deg;
  --map-scale: 1;
}

.world-bg__plate {
  position: absolute;
  left: var(--plate-l);
  top: var(--plate-t);
  width: var(--plate-w);
  height: var(--plate-h);
  /*
   * Explicit rotate/scale about --pivot (lens center), not % origin guesswork.
   * Order: move pivot to 0 → scale/rotate → move back. Circle stays fixed on lens.
   */
  transform-origin: 0 0;
  transform:
    translate3d(var(--map-tx), var(--map-ty), 0)
    translate3d(var(--pivot-x), var(--pivot-y), 0)
    rotate(var(--map-rot))
    scale(var(--map-scale))
    translate3d(calc(-1 * var(--pivot-x)), calc(-1 * var(--pivot-y)), 0);
  will-change: transform;
  overflow: hidden;
  background: transparent;
  /* No transition — orientation is fixed from start, never lerps mid-play */
  transition: none;
}

.world-bg__video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: fill; /* plate box is exact source aspect — show full bitmap */
  object-position: center;
  transform: none;
  filter: none !important;
  background: transparent;
  image-rendering: auto;
  transition: none;
  pointer-events: none;
}

.home.is-settle .world-bg,
.home.has-world .world-bg {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .world-bg__plate {
    transform: translateZ(0);
    will-change: auto;
  }
}

/* Fallback still plate under video */
.sky {
  --look-x: 50%;
  --look-y: 50%;
  --look-scale: 1.06;
  --wake-ease: cubic-bezier(0.25, 0.8, 0.25, 1);
  --wake-ms: 0.42s;
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
  transition: opacity 0.4s var(--wake-ease);
}

.home.is-settle:not(.has-world) .sky,
.home.is-site:not(.has-world) .sky {
  opacity: 1;
}

.home.has-world .sky {
  opacity: 0;
}

.sky__plate {
  position: absolute;
  inset: -12%;
  background-image: url("../../assets/world/buildings-bg.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: var(--look-x) var(--look-y);
  opacity: 0.92;
  transform: scale(1.02);
  filter: none;
  transform-origin: 50% 50%;
  will-change: transform, opacity, background-position;
  image-rendering: auto;
  transition:
    background-position 0.75s var(--wake-ease),
    opacity var(--wake-ms) var(--wake-ease),
    transform var(--wake-ms) var(--wake-ease);
  animation: none;
}

.home.is-site .sky__plate,
.home.is-hover .sky__plate,
.home.is-nav .sky__plate {
  opacity: 1;
  filter: none;
  transform: scale(1.08);
  animation: none;
}

/* Huge VA logo — fades in during bg slowdown; yields when lens is engaged */
.home {
  --logo-fade: 0; /* 0 during rise → 1 through slowdown → rest */
}

.bg-logo {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  pointer-events: none; /* never blocks lens hit-testing */
  opacity: 0;
  transition:
    opacity 0.35s cubic-bezier(0.25, 0.8, 0.25, 1),
    z-index 0s linear 0.4s;
}

.bg-logo img {
  display: block;
  /* Oversized — bleeds past the viewport edges */
  width: min(190vw, 175vmin);
  height: auto;
  max-width: none;
  object-fit: contain;
  /* dark buildings under: light mark */
  filter: invert(1);
  opacity: 0.12;
  transform: scale(0.96);
  user-select: none;
  transition:
    opacity 0.4s cubic-bezier(0.25, 0.8, 0.25, 1),
    transform 0.45s cubic-bezier(0.25, 0.8, 0.25, 1),
    filter 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/*
 * Settle: logo opacity driven by --logo-fade (synced to video slowdown).
 * No CSS fade-in of its own during intro — JS sets the var each frame.
 */
.home.is-settle .bg-logo {
  opacity: var(--logo-fade, 0);
  z-index: 6;
  transition: none; /* avoid fighting video-synced fade */
}

.home.is-settle .bg-logo img {
  /* Stronger mark during fade-in/out over the plate */
  opacity: 0.82;
  transform: scale(1);
  filter: invert(1) drop-shadow(0 0 56px rgba(255, 255, 255, 0.18));
}

.home.is-settle:not(.is-hover):not(.is-nav) .bg-logo img {
  opacity: 0.85;
}

/* Engaged: logo recedes; lens is forward */
.home.is-hover .bg-logo,
.home.is-nav .bg-logo,
.home.is-site .bg-logo {
  opacity: 0 !important;
  z-index: 1;
  transition:
    opacity 0.35s cubic-bezier(0.25, 0.8, 0.25, 1),
    z-index 0s linear 0.35s;
}

.home.is-hover .bg-logo img,
.home.is-nav .bg-logo img,
.home.is-site .bg-logo img {
  opacity: 0;
  transform: scale(1.06);
}

/*
 * Ghost field — ref: fast spin with nav list
 * Huge pixel word stacked many times, populates with a digital cascade.
 */
.ghost-field {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  pointer-events: none;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.28s ease;
  user-select: none;
}

.home.is-nav .ghost-field.is-on {
  opacity: 1;
}

.ghost-field__stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: 100%;
  max-height: 100%;
  transform: translateY(-2%);
}

.ghost-field__row {
  font-family: var(--pixel);
  font-weight: 700;
  /* Much larger than before — fills the field behind the lens */
  font-size: clamp(3.2rem, 15vw, 10.5rem);
  line-height: 0.9;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--hud-mint-dim);
  text-shadow: 0 0 24px rgba(168, 230, 184, 0.12);
  -webkit-font-smoothing: antialiased;
  opacity: 0;
  transform: translateY(0.35em) scale(0.96);
}

.home.is-nav .ghost-field.is-on .ghost-field__row {
  animation: ghost-populate 0.55s cubic-bezier(0.2, 0.85, 0.25, 1) forwards;
  animation-delay: calc(var(--i, 0) * 0.045s);
}

@keyframes ghost-populate {
  0% {
    opacity: 0;
    transform: translateY(0.4em) scale(0.94);
    filter: blur(2px);
    letter-spacing: 0.2em;
  }
  55% {
    opacity: 0.85;
    filter: blur(0);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
    letter-spacing: 0.04em;
  }
}

/* Subtle digital flicker on the stack after populate */
.home.is-nav .ghost-field.is-on .ghost-field__stack {
  animation: ghost-flicker 2.8s steps(2, end) infinite;
  animation-delay: 0.55s;
}

@keyframes ghost-flicker {
  0%,
  92%,
  100% { opacity: 1; }
  93% { opacity: 0.72; }
  94% { opacity: 1; }
  97% { opacity: 0.85; }
}

/* HUD concentric rings (ref mint green tech rings) */
.hud-rings {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 3;
  width: min(92vmin, 820px);
  height: min(92vmin, 820px);
  transform: translate(-50%, -50%) scale(0.86);
  pointer-events: none;
  opacity: 0;
  transition:
    opacity 0.35s ease,
    transform 0.45s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.home.is-nav .hud-rings {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.hud-rings__svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.hud-rings__c {
  fill: none;
  stroke: var(--hud-mint);
  stroke-opacity: 0.35;
  stroke-width: 0.55;
  vector-effect: non-scaling-stroke;
}

.hud-rings__c--a {
  stroke-opacity: 0.2;
  stroke-dasharray: 1.2 2.4;
}
.hud-rings__c--b {
  stroke-opacity: 0.28;
  stroke-dasharray: 0.8 1.6 3 1.6;
  animation: hud-spin 28s linear infinite;
  transform-origin: 100px 100px;
}
.hud-rings__c--c {
  stroke-opacity: 0.4;
  stroke-width: 0.7;
  stroke-dasharray: 2 3 0.5 3;
}
.hud-rings__c--d {
  stroke-opacity: 0.22;
  stroke-dasharray: 4 5;
  animation: hud-spin 40s linear infinite reverse;
  transform-origin: 100px 100px;
}
.hud-rings__c--e {
  stroke-opacity: 0.18;
  stroke-width: 0.45;
  stroke-dasharray: 0.6 2.2;
}

@keyframes hud-spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .ghost-field__row,
  .ghost-field__stack,
  .hud-rings__c--b,
  .hud-rings__c--d {
    animation: none !important;
  }
  .home.is-nav .ghost-field.is-on .ghost-field__row {
    opacity: 1;
    transform: none;
  }
}

/* Centered stage — lens always dead-center of viewport */
.stage {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: grid;
  place-items: center;
  /* room for left nav without shifting lens */
  pointer-events: none;
}

/* ========== LENS ========== */
.lens {
  --spin: 0deg;
  --spin-ccw: 0deg;
  --scale: 1;
  position: relative;
  /* Nothing from the geo-menu layer (lines, marks, building highlights,
     callout boxes) should ever paint in front of the lens — it stays the
     top-most element (DXVXNX, 2026-08-08). */
  z-index: 50;
  width: var(--lens-size);
  height: var(--lens-size);
  aspect-ratio: 1 / 1;
  /* no border-radius clip — gear teeth must not be shaved */
  border-radius: 0;
  pointer-events: auto;
  outline: none;
  background: transparent;
  animation: none;
  transform: scale(var(--scale));
  transition:
    transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1),
    opacity 0.4s cubic-bezier(0.25, 0.8, 0.25, 1),
    filter 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  will-change: transform, opacity, filter;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.4));
}

/* Click bulge: a bit more while engaged */
.home.is-bulge .lens {
  --scale: 1.1;
  animation: none !important;
  transition: transform 0.28s cubic-bezier(0.33, 1, 0.68, 1);
}

/*
 * Layers from original reference still only (no recolor).
 *  1) core  — glass + VA logo (stationary)
 *  2) marks — classification lettering ring (spins)
 *  3) outer — ridged gear (spins opposite)
 */
.lens__core,
.lens__marks,
.lens__outer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
  background: transparent;
  border-radius: 0;
}

.lens__core {
  z-index: 1;
  transform: none !important;
}

.lens__marks {
  z-index: 2;
  transform: rotate(var(--spin-ccw));
  will-change: transform;
}

.lens__outer {
  z-index: 3;
  transform: rotate(var(--spin));
  will-change: transform;
}

.lens__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  user-select: none;
  pointer-events: none;
  background: transparent;
  border: 0;
  border-radius: 0;
  image-rendering: auto;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  opacity: 1;
  filter: none !important;
  mix-blend-mode: normal;
}

.lens__img--glass {
  position: absolute;
  inset: 0;
  transform: none !important;
}

.lens:focus-visible {
  filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.45)) drop-shadow(0 0 0 2px rgba(143, 212, 168, 0.55));
}

/* Engaged site look stays deep (buildings plate is full strength) */
.home.is-site {
  background: #0a0c10;
}

/* ========== CATEGORY LIST (refs 6–10 — pixel HUD labels) ========== */
.cats {
  position: absolute;
  left: max(0.75rem, calc(50% - var(--lens-size) * 1.45));
  top: 50%;
  transform: translateY(-50%);
  z-index: 6;
  display: flex;
  flex-direction: column;
  gap: 1.05rem;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
}

.home.is-nav .cats {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.cats__item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 1.85rem;
  padding: 0.35rem 0.85rem 0.35rem 1rem;
  text-align: left;
  opacity: 0;
  transform: translateX(-10px);
  transition:
    opacity 0.28s ease,
    transform 0.32s cubic-bezier(0.2, 0.85, 0.25, 1),
    color 0.2s;
}

.home.is-nav .cats__item {
  opacity: 0.42;
  transform: translateX(0);
  transition-delay: calc(var(--cat-i, 0) * 0.05s + 0.08s);
}

.cats__item:hover {
  opacity: 0.85;
}

.cats__item.is-active {
  opacity: 1;
  transform: translateX(2px);
}

.cats__label {
  position: relative;
  z-index: 1;
  font-family: var(--pixel);
  font-size: clamp(0.62rem, 1.25vw, 0.78rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: rgba(230, 245, 235, 0.72);
  -webkit-font-smoothing: antialiased;
  line-height: 1.4;
}

.cats__item.is-active .cats__label {
  color: #0a120e;
}

/* Geometric HUD blade — active only (ref diamond frame) */
.cats__blade {
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2rem;
  transform: translateY(-50%) scaleX(0.85);
  transform-origin: left center;
  z-index: 0;
  opacity: 0;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(168, 230, 184, 0.25) 0%,
    rgba(200, 245, 215, 0.92) 38%,
    rgba(168, 230, 184, 0.35) 100%
  );
  border: 1.5px solid rgba(120, 200, 150, 0.85);
  clip-path: polygon(
    0% 50%,
    7% 0%,
    93% 0%,
    100% 50%,
    93% 100%,
    7% 100%
  );
  box-shadow:
    0 0 18px rgba(143, 212, 168, 0.35),
    inset 0 0 12px rgba(255, 255, 255, 0.25);
  transition:
    opacity 0.22s ease,
    transform 0.28s cubic-bezier(0.2, 0.9, 0.25, 1);
}

.cats__item.is-active .cats__blade {
  opacity: 1;
  transform: translateY(-50%) scaleX(1);
}

/* Stagger index for nav items */
.cats__item:nth-child(1) { --cat-i: 0; }
.cats__item:nth-child(2) { --cat-i: 1; }
.cats__item:nth-child(3) { --cat-i: 2; }
.cats__item:nth-child(4) { --cat-i: 3; }

/* ========== FLASH ========== */
.flash {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%, #fff 0%, rgba(255, 255, 255, 0.85) 30%, transparent 70%);
  opacity: 0;
}
.flash.is-on {
  animation: flash-burst 0.42s var(--ease) forwards;
}
@keyframes flash-burst {
  0% { opacity: 0; }
  18% { opacity: 1; }
  100% { opacity: 0; }
}

/* ========== CONTENT ========== */
.content {
  position: absolute;
  inset: 0;
  z-index: 20;
  overflow: auto;
  overscroll-behavior: contain;
  background: #0b0b0c;
  color: #eaeaea;
  cursor: default;
}

.content__back {
  position: fixed;
  top: 1.1rem;
  left: 1.1rem;
  z-index: 30;
  opacity: 0.75;
  transition: opacity 0.2s;
  /* logo is dark ink; invert for dark content stage */
  filter: invert(1);
  background: transparent;
}
.content__back:hover {
  opacity: 1;
}
.content__back img {
  width: 72px;
  height: auto;
  object-fit: contain;
  background: transparent;
}

.content__panel {
  max-width: 920px;
  margin: 0 auto;
  padding: 5rem 1.5rem 3rem;
}

.content__eyebrow {
  margin: 0 0 0.75rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: lowercase;
  color: var(--hud);
}

.content__title {
  margin: 0 0 1rem;
  font-weight: 300;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.02em;
}

.content__prose {
  max-width: 36rem;
  font-size: 1.02rem;
  line-height: 1.65;
  color: rgba(230, 240, 235, 0.88);
}

.content__prose p {
  margin: 0 0 1rem;
}

.content__contact-line {
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

.content__contact-line a {
  color: var(--hud-mint, #a8e6b8);
  text-decoration: none;
}

.content__contact-line a:hover {
  text-decoration: underline;
}

.content__muted {
  font-size: 0.88rem;
  color: rgba(200, 220, 210, 0.55);
}

.content__lede {
  margin: 0 0 2rem;
  max-width: 42ch;
  color: rgba(234, 234, 234, 0.65);
  font-weight: 300;
  line-height: 1.55;
}

.content__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.85rem;
}

.content__card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.25s var(--ease);
}
.content__card:hover {
  border-color: rgba(143, 212, 168, 0.45);
  transform: translateY(-2px);
}
.content__card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.content__card h3 {
  margin: 0;
  padding: 0.75rem 0.9rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 720px) {
  :root {
    --lens-size: min(58vmin, 300px);
  }

  .cats {
    left: 50%;
    top: auto;
    bottom: max(1.25rem, env(safe-area-inset-bottom));
    transform: translateX(-50%);
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.55rem 0.9rem;
    width: min(92vw, 360px);
  }

  .cats__item {
    min-height: 1.6rem;
  }

  .cats__blade {
    display: none !important;
  }

  .cats__item.is-active .cats__label {
    color: var(--hud-deep);
  }

  .ghost-field__row {
    font-size: clamp(2rem, 12vw, 5rem);
  }

  .hud-rings {
    width: min(96vmin, 640px);
    height: min(96vmin, 640px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .lens {
    animation: none !important;
  }
  .sky__plate {
    transition: opacity 0.2s ease, filter 0.2s ease, transform 0.2s ease;
    animation: none !important;
  }
  .flash.is-on {
    animation: none;
    opacity: 0;
  }
}