/* ==========================================================================
   Motion & effects layer
   Looks and CSS-only loops for the boot screen, skyline, rain, HUD rings,
   tickers, reticle cursor and glitch overlay. Timelines and scroll-driven
   animation live in scripts/main.js (GSAP). Everything here is switched off
   by the prefers-reduced-motion block at the end of main.css.
   ========================================================================== */

/* ---------- pre-paint states (classes set by the inline script in <head>) ---------- */
.fx-pending .hero__content > *,
.fx-pending .hero__sign,
.fx-pending .hero__readout,
.fx-pending .hero__rings,
.fx-pending .hero__rain,
.fx-pending .hero__grid,
.fx-pending .hero__horizon,
.fx-pending .hero__scroll,
.fx-pending .skyline,
.fx-pending [data-reveal] { opacity: 0; }

.is-booting body { overflow: hidden; }

/* ---------- boot sequence ---------- */
.boot {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  place-items: center;
  padding: var(--gutter);
  background: radial-gradient(ellipse at center, #0a1018 0%, #020306 70%);
  font-family: var(--font-mono);
  color: var(--cyan-hi);
}
.is-booting .boot { display: grid; }
.boot__inner { width: min(520px, 100%); }
.boot__brand {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: 0.12em;
  text-shadow: 0 0 12px rgba(63, 245, 238, 0.7);
}
.boot__brand span {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-shadow: none;
}
.boot__log {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
}
.boot__log li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 3px 0;
  color: var(--text);
}
.boot__log li::before { content: ">"; order: -1; color: var(--magenta); }
.boot__log li::after {
  /* dotted leader between the label and OK */
  content: "";
  order: 1;
  flex: 1;
  border-bottom: 1px dotted rgba(63, 245, 238, 0.35);
}
.boot__log b { order: 2; font-weight: 400; color: var(--cyan-hi); }
.boot__bar {
  height: 8px;
  padding: 1px;
  border: 1px solid rgba(63, 245, 238, 0.5);
}
.boot__bar i {
  display: block;
  height: 100%;
  background: repeating-linear-gradient(90deg, var(--cyan-hi) 0 8px, transparent 8px 10px);
  box-shadow: 0 0 10px rgba(63, 245, 238, 0.6);
  transform: scaleX(0);
  transform-origin: left;
}
.boot__status {
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 5vw, 1.8rem);
  letter-spacing: 0.2em;
  color: var(--yellow);
  text-shadow: 0 0 14px rgba(252, 238, 10, 0.6);
  opacity: 0;
}
.boot__skip {
  margin: 28px 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  animation: blink 1.4s steps(1) infinite;
}

/* ---------- HUD extras: section readout, sync %, scroll progress ---------- */
.hud__loc {
  padding-left: 14px;
  border-left: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--magenta);
  white-space: nowrap;
}
.hud__sync {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  white-space: nowrap;
}
.hud__sync b { font-weight: 400; color: var(--cyan-hi); }
.fx .hud__sync { display: block; }
.hud__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  pointer-events: none;
}
.hud__progress i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan-hi), var(--magenta), var(--yellow));
  box-shadow: 0 0 10px var(--cyan-hi);
  transform: scaleX(0);
  transform-origin: left;
}
@media (max-width: 1200px) { .hud__loc { display: none; } }
@media (max-width: 1100px) { .fx .hud__sync { display: none; } }

[data-hover-scramble] { display: inline-block; }

/* ---------- hero: neon rain ---------- */
.hero__rain {
  position: absolute;
  inset: 0;
  z-index: -3;
  overflow: hidden;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 12%, #000 var(--horizon), transparent calc(var(--horizon) + 18%));
          mask-image: linear-gradient(to bottom, transparent 0%, #000 12%, #000 var(--horizon), transparent calc(var(--horizon) + 18%));
}
.hero__rain::before,
.hero__rain::after {
  /* each layer is one tile taller than the hero and slides down exactly one tile per loop */
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -320px;
  height: calc(100% + 320px);
  will-change: transform;
}
.hero__rain::after { top: -520px; height: calc(100% + 520px); }
.hero__rain::before {
  background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='320' height='320'><path stroke='%233ff5ee' stroke-opacity='0.6' d='M290 238v28M264 97v28M266 243v19M99 48v34M159 72v28M279 21v16M206 231v33M84 7v34M274 32v40M22 97v15M127 15v42M241 167v38M306 100v28M123 150v30'/></svg>");
  background-size: 320px 320px;
  opacity: 0.45;
  animation: rain-near 0.55s linear infinite;
}
.hero__rain::after {
  background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='520' height='520'><path stroke='%23ff2a6d' stroke-opacity='0.55' d='M8 339v71M472 335v45M420 282v57M264 161v45M239 262v88M34 35v58'/><path stroke='%23ffffff' stroke-opacity='0.35' d='M114 205v66M301 197v36M21 433v34M222 107v30M485 192v33M433 37v55'/></svg>");
  background-size: 520px 520px;
  opacity: 0.3;
  animation: rain-far 1.3s linear infinite;
}
@keyframes rain-near { to { transform: translateY(320px); } }
@keyframes rain-far { to { transform: translateY(520px); } }

/* ---------- hero: procedural skyline (built by main.js) ---------- */
.skyline {
  position: absolute;
  left: 0;
  width: 100%;
  bottom: calc(100% - var(--horizon));
  height: 36%;
  z-index: -2;
  overflow: visible;
  pointer-events: none;
}
.skyline--far { height: 40%; }
.skyline--far .bldg { fill: #0b0f1f; }
.skyline--near .bldg {
  fill: #05070d;
  stroke: rgba(10, 186, 181, 0.22);
  stroke-width: 1;
}
.skyline .win { opacity: 0.8; }
.skyline--far .win { opacity: 0.3; }
.skyline .win--flicker { animation: win-flicker 5s steps(1) infinite; }
.skyline .antenna { fill: none; stroke: #1d2438; stroke-width: 2; }
.skyline .beacon {
  fill: var(--magenta);
  filter: drop-shadow(0 0 4px var(--magenta));
  animation: beacon 1.6s steps(1) infinite;
}
@keyframes win-flicker {
  0%, 100% { opacity: 0.8; }
  38% { opacity: 0.08; }
  41% { opacity: 0.8; }
  66% { opacity: 0.15; }
  68% { opacity: 0.8; }
}
@keyframes beacon { 50% { opacity: 0.12; } }

/* dark plate behind the hero copy so it reads over the skyline */
.hero__content::before {
  content: "";
  position: absolute;
  inset: -12% -18%;
  z-index: -1;
  background: radial-gradient(closest-side, rgba(5, 6, 10, 0.78), rgba(5, 6, 10, 0.4) 60%, transparent);
  pointer-events: none;
}

/* ---------- hero: HUD rings behind the title ---------- */
.hero__rings {
  /* centred with margins, not translate: GSAP owns this element's transform (intro + parallax) */
  --ring: min(82vw, 640px);
  position: absolute;
  left: 50%;
  top: calc(50% - 13vh);
  width: var(--ring);
  height: var(--ring);
  margin: calc(var(--ring) / -2) 0 0 calc(var(--ring) / -2);
  z-index: -1;
  opacity: 0.32;
  overflow: visible;
  pointer-events: none;
}
.ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  fill: none;
  stroke: var(--cyan-hi);
  will-change: transform;
}
.ring--a { stroke-width: 1; stroke-dasharray: 2 10; animation: spin 70s linear infinite; }
.ring--b { stroke-width: 7; stroke-dasharray: 1 13; stroke-opacity: 0.55; animation: spin 45s linear infinite reverse; }
.ring--c { stroke-width: 1.5; stroke: var(--magenta); stroke-dasharray: 140 36 18 36; animation: spin 26s linear infinite; }
.ring--d { stroke-width: 3; opacity: 0.75; animation: spin 16s linear infinite reverse; }
@keyframes spin { to { rotate: 360deg; } }

/* ---------- hero: signal meter in the readout ---------- */
.signal {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}
.signal i {
  width: 3px;
  background: var(--cyan-hi);
  box-shadow: 0 0 4px var(--cyan-hi);
  animation: signal 1.8s ease-in-out infinite;
}
.signal i:nth-child(1) { height: 20%; }
.signal i:nth-child(2) { height: 40%; animation-delay: 0.15s; }
.signal i:nth-child(3) { height: 60%; animation-delay: 0.3s; }
.signal i:nth-child(4) { height: 80%; animation-delay: 0.45s; }
.signal i:nth-child(5) { height: 100%; animation-delay: 0.6s; }
@keyframes signal { 50% { opacity: 0.2; } }

/* ---------- caution-tape tickers ---------- */
.tickers {
  position: relative;
  z-index: 2;
  height: 120px;
  margin-top: -30px;
  pointer-events: none;
}
.ticker {
  position: absolute;
  left: -5%;
  top: 50%;
  width: 110%;
  overflow: hidden;
  padding: 6px 0;
  font-family: var(--font-display), "Noto Sans SC", sans-serif;
  font-weight: 900;
  font-size: 0.92rem;
  letter-spacing: 0.16em;
  line-height: 1.6;
  white-space: nowrap;
  color: #05060a;
}
.ticker--yellow {
  rotate: -2.5deg;
  translate: 0 -50%;
  background: var(--yellow);
  border-block: 5px solid transparent;
  border-image: repeating-linear-gradient(45deg, #05060a 0 8px, var(--yellow) 8px 16px) 5;
  box-shadow: 0 0 28px rgba(252, 238, 10, 0.35);
}
.ticker--magenta {
  rotate: 2deg;
  translate: 0 -50%;
  background: var(--magenta);
  opacity: 0.92;
  box-shadow: 0 0 24px rgba(255, 42, 109, 0.4);
}
.ticker__track {
  display: inline-flex;
  will-change: transform;
  animation: marquee 32s linear infinite;
}
.ticker--magenta .ticker__track { animation-duration: 40s; animation-direction: reverse; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- timeline nodes light up as the beam passes (only when JS drives it) ---------- */
.fx .timeline li:not(.is-lit)::before {
  background: var(--bg);
  border-color: rgba(63, 245, 238, 0.25);
  box-shadow: none;
}
.fx .timeline li.is-lit::before { animation: node-ping 0.7s ease-out; }
@keyframes node-ping {
  from { box-shadow: 0 0 0 0 rgba(63, 245, 238, 0.9); }
  to   { box-shadow: 0 0 0 16px rgba(63, 245, 238, 0); }
}

/* ---------- hover glitches ---------- */
.shard:hover h3,
.shard:focus-visible h3,
.btn:hover .btn__label { animation: rgb-jitter 0.3s steps(2) infinite; }
@keyframes rgb-jitter {
  0%   { text-shadow: 2px 0 var(--magenta), -2px 0 var(--cyan-hi); }
  50%  { text-shadow: -2px 1px var(--magenta), 2px -1px var(--yellow); }
  100% { text-shadow: 1px 0 var(--magenta), -1px 0 var(--cyan-hi); }
}

.id-card:hover .id-card__photo img { animation: photo-glitch 1.2s steps(1) infinite; }
@keyframes photo-glitch {
  0%, 100% { transform: none; clip-path: none; }
  12% { transform: translate(-4px, 1px); clip-path: inset(12% 0 58% 0); }
  16% { transform: translate(4px, -1px); clip-path: inset(48% 0 22% 0); filter: grayscale(0) hue-rotate(120deg) contrast(1.5); }
  20% { transform: none; clip-path: none; }
  62% { transform: translate(3px, 0); clip-path: inset(70% 0 6% 0); }
  65% { transform: none; clip-path: none; }
}

/* holographic glare for vanilla-tilt (overrides its white gradient) */
.js-tilt-glare-inner {
  background-image: linear-gradient(0deg, rgba(63, 245, 238, 0) 0%, rgba(63, 245, 238, 0.55) 55%, rgba(255, 42, 109, 0.55) 100%) !important;
  mix-blend-mode: screen;
}

/* ---------- reticle cursor (fine pointers only; enabled by main.js) ---------- */
.reticle { display: none; }
.has-reticle .reticle {
  display: block;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 150;
  pointer-events: none;
}
.has-reticle,
.has-reticle a,
.has-reticle button { cursor: none; }
.reticle__frame {
  position: fixed;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
}
.reticle__frame i {
  position: absolute;
  width: 8px;
  height: 8px;
  border: 0 solid var(--cyan-hi);
  filter: drop-shadow(0 0 4px var(--cyan-hi));
  transition: border-color 0.2s, width 0.2s, height 0.2s;
}
.reticle__frame i:nth-child(1) { left: 0; top: 0; border-left-width: 2px; border-top-width: 2px; }
.reticle__frame i:nth-child(2) { right: 0; top: 0; border-right-width: 2px; border-top-width: 2px; }
.reticle__frame i:nth-child(3) { right: 0; bottom: 0; border-right-width: 2px; border-bottom-width: 2px; }
.reticle__frame i:nth-child(4) { left: 0; bottom: 0; border-left-width: 2px; border-bottom-width: 2px; }
.reticle__dot {
  position: fixed;
  left: 0;
  top: 0;
  width: 4px;
  height: 4px;
  background: var(--magenta);
  box-shadow: 0 0 8px var(--magenta);
}
.reticle__label {
  position: absolute;
  left: 0;
  bottom: calc(100% + 6px);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--yellow);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.2s;
}
.reticle-locked .reticle__label { opacity: 1; }
.reticle-locked .reticle__frame i {
  width: 12px;
  height: 12px;
  border-color: var(--yellow);
  filter: drop-shadow(0 0 6px var(--yellow));
}

/* ---------- random screen glitch (bands placed by main.js) ---------- */
.fx-glitch {
  position: fixed;
  inset: 0;
  z-index: 110;
  visibility: hidden;
  pointer-events: none;
}
.fx-glitch i {
  position: absolute;
  left: 0;
  right: 0;
  height: 6px;
  background: rgba(63, 245, 238, 0.2);
  -webkit-backdrop-filter: invert(1);
          backdrop-filter: invert(1);
}
.fx-glitch i:nth-child(even) {
  background: rgba(255, 42, 109, 0.3);
  -webkit-backdrop-filter: hue-rotate(160deg) saturate(4);
          backdrop-filter: hue-rotate(160deg) saturate(4);
}

/* CSS loops pause while their section is scrolled out of view (class toggled by main.js) */
.is-offscreen,
.is-offscreen *,
.is-offscreen *::before,
.is-offscreen *::after { animation-play-state: paused !important; }

/* ---------- responsive ---------- */
@media (max-width: 760px) {
  .hero__rings { top: calc(50% - 16vh); }
  .tickers { height: 96px; margin-top: -20px; }
  .ticker { font-size: 0.78rem; }
}