/* ==========================================================================
   Kurosek - core stylesheet
   ========================================================================== */

/* ---------- fonts ---------- */
@font-face {
  font-family: 'Orbitron';
  src: url('../assets/fonts/orbitron-latin.woff2') format('woff2');
  font-weight: 400 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Rajdhani';
  src: url('../assets/fonts/rajdhani-400.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Rajdhani';
  src: url('../assets/fonts/rajdhani-500.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Rajdhani';
  src: url('../assets/fonts/rajdhani-600.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Rajdhani';
  src: url('../assets/fonts/rajdhani-700.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Share Tech Mono';
  src: url('../assets/fonts/sharetechmono-400.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Noto Kana';
  src: url('../assets/fonts/notosansjp-kata.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
  unicode-range: U+3099-309a, U+30a1-30ed, U+30ef, U+30f2-30f4, U+30f7, U+30fa-30fc;
}

/* ---------- tokens ---------- */
:root {
  --bg:        #05060b;
  --bg-2:      #080a12;
  --panel:     #0b0e18;
  --panel-2:   #0e1220;
  --line:      #1b2233;
  --line-hot:  #24304a;

  --cyan:      #00e5ff;
  --magenta:   #ff2d87;
  --violet:    #8b5cff;
  --amber:     #ffb300;

  --text:      #cdd6e6;
  --text-dim:  #7c8799;
  --text-hi:   #eaf2ff;

  --mono: 'Share Tech Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  --display: 'Orbitron', 'Rajdhani', system-ui, sans-serif;
  --body: 'Rajdhani', 'Noto Kana', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --kana: 'Noto Kana', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif;

  --maxw: 1180px;
  --gut: 24px;

  --glow-cyan: 0 0 12px rgba(0, 229, 255, .45);
  --glow-mag:  0 0 12px rgba(255, 45, 135, .45);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 18px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 700; line-height: 1.1; letter-spacing: .02em; color: var(--text-hi); margin: 0; }
p { margin: 0 0 1em; }
::selection { background: var(--magenta); color: #fff; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- backdrop layers ---------- */
#bg-canvas {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: .42;
}
.backdrop {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
}
.backdrop::before {
  /* perspective grid glow at the base of the viewport */
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(1100px 620px at 50% -10%, rgba(139, 92, 255, .16), transparent 70%),
    radial-gradient(760px 460px at 88% 12%, rgba(255, 45, 135, .10), transparent 72%),
    radial-gradient(900px 520px at 8% 88%, rgba(0, 229, 255, .10), transparent 72%);
}
.scanlines {
  position: fixed; inset: 0; z-index: 60; pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,.022) 0px,
    rgba(255,255,255,.022) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
}
.vignette {
  position: fixed; inset: 0; z-index: 59; pointer-events: none;
  background: radial-gradient(120% 90% at 50% 45%, transparent 55%, rgba(0,0,0,.62) 100%);
}

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gut); }
main { position: relative; z-index: 2; }
section { padding-block: clamp(72px, 10vw, 132px); position: relative; }
.section-alt { background:
  linear-gradient(180deg, rgba(11,14,24,0) 0%, rgba(11,14,24,.75) 12%, rgba(11,14,24,.75) 88%, rgba(11,14,24,0) 100%); }

/* ---------- skip link ---------- */
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--cyan); color: #04070d; padding: 10px 18px;
  font-family: var(--mono); text-transform: uppercase;
}
.skip:focus { left: 12px; top: 12px; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: linear-gradient(180deg, rgba(5,6,11,.94), rgba(5,6,11,.72));
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; height: 66px;
  max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gut);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand svg { width: 34px; height: 34px; flex: none; overflow: visible; }
/* on hover the arm slips further out of register and the ghost lags behind */
.brand .k-shift, .brand .k-ghost { transition: transform .18s steps(2, end); }
.brand:hover .k-shift { transform: translate(-2px, -1.5px); }
.brand:hover .k-ghost { transform: translate(1.5px, 1px); }
.brand-name {
  font-family: var(--display); font-weight: 900; font-size: 1.12rem;
  letter-spacing: .26em; color: var(--text-hi);
}
.brand-name span { color: var(--magenta); }
.nav-links { display: flex; align-items: center; gap: 30px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  font-family: var(--mono); font-size: .82rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--text-dim);
  position: relative; padding-block: 6px; transition: color .18s ease;
}
.nav-links a::after {
  content: ''; position: absolute; left: 0; right: 100%; bottom: 0; height: 1px;
  background: var(--cyan); transition: right .22s ease; box-shadow: var(--glow-cyan);
}
.nav-links a:hover, .nav-links a:focus-visible { color: var(--cyan); }
.nav-links a:hover::after { right: 0; }
.nav-cta {
  font-family: var(--mono); font-size: .82rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--bg) !important; background: var(--cyan);
  padding: 9px 18px; clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: background .18s ease, box-shadow .18s ease;
}
.nav-cta:hover { background: #fff; box-shadow: 0 0 22px rgba(0,229,255,.55); }
.nav-toggle {
  display: none; background: none; border: 1px solid var(--line-hot); color: var(--cyan);
  width: 42px; height: 38px; cursor: pointer; padding: 0;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 18px; height: 2px; background: currentColor; margin-inline: auto; position: relative;
}
.nav-toggle span::before { content: ''; position: absolute; top: -6px; }
.nav-toggle span::after  { content: ''; position: absolute; top: 6px; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: clamp(620px, 92vh, 940px);
  display: flex; align-items: center;
  padding-block: 80px;
  overflow: hidden;
}
.hero-grid {
  position: absolute; left: 0; right: 0; bottom: 0; height: 46%;
  background-image:
    linear-gradient(rgba(0,229,255,.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,.16) 1px, transparent 1px);
  background-size: 62px 62px;
  transform: perspective(340px) rotateX(62deg);
  transform-origin: bottom center;
  mask-image: linear-gradient(to top, #000 4%, transparent 82%);
  -webkit-mask-image: linear-gradient(to top, #000 4%, transparent 82%);
  animation: grid-run 7s linear infinite;
  opacity: .85;
  pointer-events: none;
}
@keyframes grid-run { from { background-position: 0 0; } to { background-position: 0 62px; } }

.hero-inner { position: relative; z-index: 3; width: 100%; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--mono); font-size: .8rem; letter-spacing: .28em; text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid rgba(0,229,255,.32);
  background: rgba(0,229,255,.05);
  padding: 7px 16px;
  margin-bottom: 26px;
}
.dot {
  width: 7px; height: 7px; background: var(--cyan); border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan); animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .25; } }

.hero h1 {
  font-size: clamp(3.4rem, 13vw, 9.5rem);
  font-weight: 900; letter-spacing: .04em; line-height: .92;
  margin: 0 0 6px;
  color: #fff;
  text-shadow: 0 0 34px rgba(0,229,255,.28);
}
.glitch { position: relative; display: inline-block; }
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute; inset: 0;
  background: var(--bg);
  clip-path: inset(0 0 0 0);
  pointer-events: none;
}
.glitch::before { color: var(--magenta); transform: translate(-2px, 0); animation: g1 4.2s steps(2, end) infinite; }
.glitch::after  { color: var(--cyan);    transform: translate(2px, 0);  animation: g2 3.6s steps(2, end) infinite; }
@keyframes g1 {
  0%, 92%, 100% { clip-path: inset(100% 0 0 0); }
  93% { clip-path: inset(12% 0 74% 0); transform: translate(-5px, 0); }
  95% { clip-path: inset(58% 0 28% 0); transform: translate(4px, 0); }
  97% { clip-path: inset(32% 0 52% 0); transform: translate(-3px, 0); }
}
@keyframes g2 {
  0%, 90%, 100% { clip-path: inset(100% 0 0 0); }
  91% { clip-path: inset(66% 0 20% 0); transform: translate(5px, 0); }
  94% { clip-path: inset(20% 0 66% 0); transform: translate(-4px, 0); }
  96% { clip-path: inset(44% 0 40% 0); transform: translate(3px, 0); }
}

.hero-kana {
  font-family: var(--kana);
  font-size: clamp(1rem, 2.6vw, 1.5rem);
  letter-spacing: .55em;
  color: var(--magenta);
  text-shadow: var(--glow-mag);
  margin: 0 0 22px;
}
.hero-lead {
  font-size: clamp(1.12rem, 2.1vw, 1.5rem);
  max-width: 46ch; color: var(--text);
  margin-bottom: 30px;
}
.hero-lead strong { color: var(--text-hi); font-weight: 600; }

.termline {
  font-family: var(--mono); font-size: clamp(.86rem, 1.6vw, 1rem);
  color: var(--text-dim); margin-bottom: 34px;
  border-left: 2px solid var(--magenta); padding-left: 14px;
  min-height: 1.7em;
}
.termline .prompt { color: var(--magenta); }
.termline .out { color: var(--cyan); }
.caret {
  display: inline-block; width: 9px; height: 1.05em; vertical-align: -2px;
  background: var(--cyan); margin-left: 3px; animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- buttons ---------- */
.btn {
  --btn: var(--cyan);
  --btn-fill: #070911;
  position: relative;
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: .9rem; letter-spacing: .16em; text-transform: uppercase;
  padding: 14px 26px; cursor: pointer;
  border: 0; color: var(--btn);
  background: var(--btn);
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  transition: color .2s ease, box-shadow .2s ease;
}
.btn::before {
  content: ''; position: absolute; inset: 1px;
  background: var(--btn-fill);
  clip-path: polygon(11px 0, 100% 0, 100% calc(100% - 11px), calc(100% - 11px) 100%, 0 100%, 0 11px);
  transition: opacity .2s ease;
}
.btn > span { position: relative; z-index: 1; }
.btn:hover, .btn:focus-visible { color: #04070d; box-shadow: 0 0 26px color-mix(in srgb, var(--btn) 45%, transparent); }
.btn:hover::before, .btn:focus-visible::before { opacity: 0; }
.btn-mag { --btn: var(--magenta); }
.btn-ghost { --btn: var(--line-hot); color: var(--text); }
.btn-ghost:hover, .btn-ghost:focus-visible { color: var(--text-hi); }

/* ---------- section headings ---------- */
.sec-head { margin-bottom: 54px; max-width: 66ch; }
.sec-num {
  font-family: var(--mono); font-size: .8rem; letter-spacing: .3em; color: var(--magenta);
  display: block; margin-bottom: 12px;
}
.sec-head h2 {
  font-size: clamp(1.9rem, 4.4vw, 3.1rem);
  margin-bottom: 8px;
}
.sec-kana {
  font-family: var(--kana); font-size: .95rem; letter-spacing: .4em; color: var(--text-dim);
  display: block; margin-bottom: 20px;
}
.sec-head p { color: var(--text-dim); font-size: 1.08rem; }

/* ---------- what we do ---------- */
.pitch { display: grid; grid-template-columns: 1.25fr .75fr; gap: 56px; align-items: start; }
.pitch p { font-size: 1.14rem; }
.pitch p strong { color: var(--cyan); font-weight: 600; }
.stat-stack { display: grid; gap: 18px; }
.stat {
  border: 1px solid var(--line); background: rgba(11,14,24,.7);
  padding: 20px 22px;
  position: relative;
}
.stat::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--cyan);
}
.stat:nth-child(2)::before { background: var(--magenta); }
.stat:nth-child(3)::before { background: var(--violet); }
.stat dt {
  font-family: var(--mono); font-size: .76rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 4px;
}
.stat dd { margin: 0; font-family: var(--display); font-weight: 700; font-size: 1.05rem; color: var(--text-hi); }

/* ---------- capability cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 22px; }
.card {
  position: relative;
  background: linear-gradient(160deg, rgba(14,18,32,.95), rgba(8,10,18,.95));
  border: 1px solid var(--line);
  padding: 30px 28px 32px;
  overflow: hidden;
  transition: border-color .22s ease, transform .22s ease, box-shadow .22s ease;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}
.card::after {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(340px 200px at 22% 0%, rgba(0,229,255,.13), transparent 70%),
    linear-gradient(180deg, rgba(255,45,135,.07), transparent 45%);
  opacity: 0; transition: opacity .3s ease; pointer-events: none;
}
.card:hover { transform: translateY(-4px); border-color: var(--line-hot); box-shadow: 0 18px 44px rgba(0,0,0,.55); }
.card:hover::after { opacity: 1; }
.card-ico { width: 40px; height: 40px; margin-bottom: 18px; color: var(--cyan); }
.card:nth-child(2n) .card-ico { color: var(--magenta); }
.card:nth-child(3n) .card-ico { color: var(--violet); }
.card h3 { font-size: 1.16rem; letter-spacing: .06em; margin-bottom: 6px; }
.card .card-kana { font-family: var(--kana); font-size: .78rem; letter-spacing: .3em; color: var(--text-dim); display: block; margin-bottom: 14px; }
.card p { color: var(--text-dim); font-size: 1rem; margin-bottom: 16px; }
.card ul { list-style: none; margin: 0; padding: 0; }
.card li {
  font-family: var(--mono); font-size: .82rem; color: var(--text-dim);
  padding-left: 18px; position: relative; line-height: 1.9;
}
.card li::before { content: '>'; position: absolute; left: 0; color: var(--cyan); }

/* ---------- process ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0; border: 1px solid var(--line); }
.step { padding: 30px 26px; border-right: 1px solid var(--line); position: relative; background: rgba(8,10,18,.6); }
.step:last-child { border-right: none; }
.step-n {
  font-family: var(--display); font-weight: 900; font-size: 2.4rem;
  color: transparent; -webkit-text-stroke: 1px var(--line-hot);
  line-height: 1; margin-bottom: 14px;
}
.step h3 { font-size: 1rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 10px; }
.step p { color: var(--text-dim); font-size: .98rem; margin: 0; }
.step:hover .step-n { -webkit-text-stroke: 1px var(--cyan); color: rgba(0,229,255,.08); }

/* ---------- disclosure callout ---------- */
.disclosure {
  border: 1px solid rgba(255,45,135,.35);
  background:
    linear-gradient(150deg, rgba(255,45,135,.07), rgba(8,10,18,.9) 55%);
  padding: clamp(30px, 5vw, 56px);
  position: relative;
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}
.disclosure-tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: .76rem; letter-spacing: .24em; text-transform: uppercase;
  color: var(--magenta); border: 1px solid rgba(255,45,135,.4); padding: 6px 14px; margin-bottom: 22px;
}
.disclosure h2 { font-size: clamp(1.6rem, 3.6vw, 2.5rem); margin-bottom: 18px; }
.disclosure p { max-width: 72ch; }
.disclosure p:last-of-type { margin-bottom: 0; }
.disclosure .rules { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-top: 30px; }
.rule { border-left: 2px solid var(--magenta); padding-left: 16px; }
.rule h3 { font-family: var(--mono); font-size: .82rem; letter-spacing: .16em; text-transform: uppercase; color: var(--text-hi); margin-bottom: 6px; }
.rule p { color: var(--text-dim); font-size: .97rem; margin: 0; }

/* ---------- tools ---------- */
.tools-panel {
  display: grid; grid-template-columns: 1.35fr .65fr; gap: 44px; align-items: start;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(14,18,32,.9), rgba(8,10,18,.9));
  padding: clamp(26px, 4vw, 44px);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}
.tools-panel p { color: var(--text-dim); }
.tools-panel p:first-child { color: var(--text); }
.tools-panel .btn { margin-top: 8px; }
.tools-kv { align-content: start; }
.tools-kv dd { color: var(--text); }

@media (max-width: 900px) {
  .tools-panel { grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
.contact-box { border: 1px solid var(--line); background: rgba(11,14,24,.75); padding: 30px 28px; }
.contact-box h3 { font-size: 1rem; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 18px; color: var(--cyan); }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 8px 18px; font-family: var(--mono); font-size: .92rem; }
.kv dt { color: var(--text-dim); letter-spacing: .1em; text-transform: uppercase; font-size: .78rem; padding-top: .25em; }
.kv dd { margin: 0; color: var(--text-hi); word-break: break-all; }
.fpr { font-family: var(--mono); font-size: .84rem; color: var(--cyan); letter-spacing: .04em; word-break: break-all; }
.copy-btn {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  background: transparent; border: 1px solid var(--line-hot); color: var(--text-dim);
  padding: 4px 10px; cursor: pointer; margin-left: 8px; transition: color .18s, border-color .18s;
}
.copy-btn:hover { color: var(--cyan); border-color: var(--cyan); }
.copy-btn.is-copied { color: var(--cyan); border-color: var(--cyan); }

/* off-screen textarea used by the clipboard fallback */
.copy-shim { position: fixed; top: 0; left: -9999px; opacity: 0; width: 1px; height: 1px; }

/* the copy button is a <button>, so it needs the anchor's font reset */
button.btn { font-family: var(--mono); }
button.btn.is-copied { color: #04070d; }
button.btn.is-copied::before { opacity: 0; }

/* ---------- footer ---------- */
footer {
  border-top: 1px solid var(--line);
  background: rgba(5,6,11,.9);
  position: relative; z-index: 2;
  padding-block: 40px;
}
.foot-inner { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: space-between; }
.foot-inner p { margin: 0; font-family: var(--mono); font-size: .8rem; color: var(--text-dim); letter-spacing: .08em; }
.foot-links { display: flex; flex-wrap: wrap; gap: 12px 22px; list-style: none; margin: 0; padding: 0; }
.foot-links a { font-family: var(--mono); font-size: .8rem; color: var(--text-dim); letter-spacing: .1em; }
.foot-links a:hover { color: var(--cyan); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .pitch, .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .step { border-right: none; border-bottom: 1px solid var(--line); }
  .step:last-child { border-bottom: none; }
}
@media (max-width: 780px) {
  body { font-size: 17px; }
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 66px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: rgba(5,6,11,.98); border-bottom: 1px solid var(--line);
    padding: 8px var(--gut) 18px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; width: 100%; padding: 12px 0; }
  .nav-links .nav-cta { display: inline-flex; width: auto; margin: 10px 0 2px; padding: 10px 20px; }
}
@media (max-width: 560px) {
  .kv { grid-template-columns: 1fr; gap: 2px 0; }
  .kv dt { padding-top: 10px; }
}
@media (max-width: 460px) {
  :root { --gut: 18px; }
  .hero-kana { letter-spacing: .35em; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  #bg-canvas { display: none; }
}

/* ---------- 404 ---------- */
.err { min-height: 100vh; display: grid; place-items: center; text-align: center; position: relative; z-index: 2; }
.err h1 { font-size: clamp(4rem, 20vw, 11rem); font-weight: 900; color: #fff; margin-bottom: 4px; }
.err p.code { font-family: var(--mono); color: var(--magenta); letter-spacing: .3em; text-transform: uppercase; margin-bottom: 22px; }
.err p.msg { color: var(--text-dim); max-width: 44ch; margin-inline: auto; margin-bottom: 30px; }