/* Coinupbtc — wow pass. Editorial paper/ink + acid. Light/dark via [data-theme].
   Generative hero is canvas-drawn (js/main.js); these styles frame it. */

:root {
  --ink: #12141a;
  --paper: #e8e4dc;
  --acid: #c8f54a;
  --mute: #5c6158;
  --line: rgba(18, 20, 26, 0.18);
  --well: rgba(18, 20, 26, 0.06);
  --hero-1: #f3efe6;
  --hero-2: #d8d0c0;
  --glow: rgba(200, 245, 74, 0.16);
  --shadow: 0 18px 50px -24px rgba(18, 20, 26, 0.35);
  --font-display: Fraunces, Georgia, "Times New Roman", serif;
  --font-body: "IBM Plex Mono", ui-monospace, "Cascadia Code", monospace;
}

html[data-theme="dark"] {
  --ink: #eae6dd;
  --paper: #0e1013;
  --acid: #c8f54a;
  --mute: #9aa08f;
  --line: rgba(234, 230, 221, 0.16);
  --well: rgba(234, 230, 221, 0.06);
  --hero-1: #12151a;
  --hero-2: #1d2128;
  --glow: rgba(200, 245, 74, 0.14);
  --shadow: 0 18px 55px -22px rgba(0, 0, 0, 0.8);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.45;
  transition: background 0.4s ease, color 0.4s ease;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { color: var(--acid); }

.visually-hidden {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 0.75rem;
  z-index: 100;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

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

/* ── Editorial grain overlay ─────────────────────────────── */
.grain {
  position: fixed;
  inset: -50%;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.05;
  transform: translateZ(0);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grainShift 9s steps(10) infinite;
}
@keyframes grainShift {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-5%, -8%); }
  30% { transform: translate(4%, -3%); }
  50% { transform: translate(-3%, 6%); }
  70% { transform: translate(6%, 4%); }
  90% { transform: translate(-4%, 5%); }
}

/* ── Theme toggle ─────────────────────────────────────────── */
.theme-toggle {
  position: fixed;
  top: clamp(0.9rem, 3vw, 1.6rem);
  right: clamp(0.9rem, 3vw, 1.6rem);
  z-index: 80;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: color-mix(in srgb, var(--paper) 78%, transparent);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  color: var(--ink);
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 18px -8px rgba(0,0,0,0.25);
  transition: border-color 0.3s ease, transform 0.2s ease;
}
.theme-toggle:hover { border-color: var(--acid); transform: rotate(-6deg); }

.theme-sun, .theme-moon {
  position: absolute;
  transition: transform 0.45s cubic-bezier(0.2,0.8,0.2,1), opacity 0.3s ease;
}
.theme-sun {
  width: 17px; height: 17px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--acid) 0 42%, transparent 46%);
  box-shadow: 0 0 0 1px var(--ink) inset;
  opacity: 0;
  transform: scale(0.4) rotate(-90deg);
}
.theme-moon {
  width: 17px; height: 17px;
  border-radius: 50%;
  background: radial-gradient(circle at 62% 38%, var(--ink) 0 45%, transparent 47%);
  box-shadow: 0 0 0 1px var(--ink) inset;
  opacity: 1;
  transform: scale(1);
}
html[data-theme="dark"] .theme-sun { opacity: 1; transform: scale(1); }
html[data-theme="dark"] .theme-moon { opacity: 0; transform: scale(0.4) rotate(90deg); }

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: clamp(1.25rem, 3vw, 2rem);
  overflow: hidden;
  isolation: isolate;
}

.hero-field {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%; height: 100%;
  display: block;
}

/* cinematic H3 video backplate — sits behind the generative field + vignette */
.hero-media {
  position: absolute;
  inset: 0;
  z-index: -3;
  overflow: hidden;
  background: var(--hero-v2, #0c0e13);
}
.hero-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.5;
  filter: saturate(0.84) contrast(1.04);
  display: block;
}
.hero-media::after {
  /* extra scrim so copy stays crisp over any frame */
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
      color-mix(in srgb, var(--paper) 30%, transparent) 0%,
      color-mix(in srgb, var(--paper) 8%, transparent) 45%,
      color-mix(in srgb, var(--paper) 55%, transparent) 100%);
  pointer-events: none;
}

.hero-vignette {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 78% 8%, var(--glow), transparent 55%),
    linear-gradient(165deg, var(--hero-1) 0%, var(--hero-2) 100%);
  pointer-events: none;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0;
  animation: rise 0.7s ease 0.05s forwards;
}
.top span { color: var(--mute); }

.stage {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: clamp(1rem, 4vh, 3rem);
  max-width: min(92vw, 44ch);
}

.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(3.4rem, 14vw, 8.5rem);
  line-height: 0.88;
  letter-spacing: -0.03em;
  opacity: 0;
  animation: rise 0.85s cubic-bezier(0.2, 0.8, 0.2, 1) 0.15s forwards;
}

.brand mark {
  background: none;
  color: inherit;
  position: relative;
}

/* per-character entrance */
.brand mark .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.55em) rotate(3deg);
  transform-origin: 50% 100%;
  transition:
    opacity 0.5s cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 0.55s cubic-bezier(0.2, 0.8, 0.2, 1);
  transition-delay: calc(var(--ord, 0) * 45ms + 150ms);
}
.brand mark.go .char {
  opacity: 1;
  transform: translateY(0) rotate(0deg);
}
.brand mark.settled .char { transition: none; }

.brand mark::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: 0.06em;
  height: 0.16em;
  background: var(--acid);
  z-index: -1;
  transform: scaleX(0);
  transform-origin: left;
  animation: underline 0.9s ease 0.85s forwards;
}
@keyframes underline { to { transform: scaleX(1); } }

.lede {
  margin-top: 1.25rem;
  font-size: clamp(0.95rem, 2.2vw, 1.15rem);
  line-height: 1.5;
  max-width: 30ch;
  color: var(--mute);
  opacity: 0;
  animation: rise 0.7s ease 0.32s forwards;
}

.ctas {
  margin-top: 1.9rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.4rem;
  opacity: 0;
  animation: rise 0.7s ease 0.45s forwards;
}
.ctas a {
  font-size: 0.85rem;
  text-decoration: none;
  border-bottom: 2px solid var(--ink);
  padding: 0.4rem 0.1rem 0.3rem;
  transition: transform 0.25s cubic-bezier(0.2,0.8,0.2,1), color 0.2s ease, border-color 0.2s ease;
  will-change: transform;
}
.ctas a:hover { border-bottom-color: var(--acid); transform: translateY(-2px); }
.ctas a.primary {
  background: var(--ink);
  color: var(--paper);
  border: none;
  padding: 0.7rem 1.15rem;
}
.ctas a.primary:hover { background: #2a2e24; color: var(--acid); }

.foot-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute);
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
  opacity: 0;
  animation: rise 0.6s ease 0.55s forwards;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

/* ── Systems strip ────────────────────────────────────────── */
.systems { padding: clamp(3rem, 8vw, 5rem) clamp(1.25rem, 3vw, 2rem); border-top: 1px solid var(--line); }
.sys-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  max-width: 68rem;
}
.sys-cell {
  background: var(--paper);
  padding: 1.15rem 1.25rem 1.35rem;
  transition: background 0.35s ease;
}
.sys-cell:hover { background: var(--well); }
.sys-cell dt {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 0.6rem;
}
.sys-cell dd { font-family: var(--font-display); font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 500; }
.sys-cell dd.sub { font-family: var(--font-body); font-size: 0.72rem; color: var(--mute); margin-top: 0.35rem; }

/* Reveal helper */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2,0.8,0.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* ── Hub ──────────────────────────────────────────────────── */
.hub { padding: clamp(3rem, 8vw, 5rem) clamp(1.25rem, 3vw, 2rem); border-top: 1px solid var(--line); }
.hub h2, .gallery h2, .proof h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 500;
  margin-bottom: 1.5rem;
  max-width: 16ch;
}
.hub-list, .proof ul {
  list-style: none;
  max-width: 42rem;
}
.hub-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.hub-list a {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3vw, 1.6rem);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.25s ease;
}
.hub-list a:hover { border-bottom-color: var(--acid); transform: translateX(4px); }
.hub-list span { color: var(--mute); font-size: 0.75rem; text-align: right; }

/* ── Gallery ──────────────────────────────────────────────── */
.gallery { padding: clamp(3rem, 8vw, 6rem) clamp(1.25rem, 3vw, 2rem); border-top: 1px solid var(--line); }
.section-note {
  margin: 0.85rem 0 2rem;
  max-width: 52ch;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--mute);
}
.section-note .hint { display: block; margin-top: 0.5rem; color: var(--acid); }

.art-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: clamp(0.75rem, 2vw, 1.25rem);
  max-width: 68rem;
}
.art-item { margin: 0; }
.art-item.wide { grid-column: 1 / -1; }

/* cascade reveal for gallery tiles */
.art-item {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.2,0.8,0.2,1);
  transition-delay: calc(var(--ord, 0) * 60ms);
}
.art-item.in { opacity: 1; transform: none; }

.art-btn {
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid var(--line);
  background: none;
  cursor: pointer;
  overflow: hidden;
  position: relative;
}
.art-btn img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1216 / 832;
  object-fit: cover;
  filter: saturate(0.94);
  transition: filter 0.4s ease, transform 0.6s cubic-bezier(0.2,0.8,0.2,1);
}
.art-btn:hover img {
  filter: saturate(1.1);
  transform: scale(1.035);
}
.art-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 0 var(--acid);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}
.art-btn:hover::after { opacity: 1; box-shadow: inset 0 0 0 2px var(--acid); }

/* ── H3 video tiles (hover-to-play, poster-first) ───────── */
.art-video .tile-video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1216 / 710;
  object-fit: cover;
  filter: saturate(0.94);
  transition: filter 0.4s ease, transform 0.6s cubic-bezier(0.2,0.8,0.2,1);
}
.art-btn.art-video:hover .tile-video,
.art-btn.art-video:focus-visible .tile-video {
  filter: saturate(1.1);
  transform: scale(1.035);
}
.art-video .reel-badge {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  z-index: 4;
  font: 600 0.62rem/1 var(--font-mono, monospace);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 0.55rem;
  color: #0c0e13;
  background: var(--acid);
  border-radius: 2px;
  pointer-events: none;
  opacity: 0.92;
  transition: opacity 0.3s ease, background 0.3s ease;
}
.art-btn.art-video:hover .reel-badge, .art-btn.art-video:focus-visible .reel-badge,
.art-btn.art-video .reel-badge:hover { background: var(--acid); }
.art-video.is-playing .reel-badge { background: #12141a; color: var(--acid); }

/* ── Proof ────────────────────────────────────────────────── */
.proof { padding: clamp(3rem, 8vw, 6rem) clamp(1.25rem, 3vw, 2rem); border-top: 1px solid var(--line); }
.proof li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
  align-items: baseline;
}
.proof li a { font-size: 1.05rem; text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 0.25s ease; }
.proof li a:hover { border-bottom-color: var(--acid); }
.proof li span { color: var(--mute); font-size: 0.75rem; text-align: right; }

/* ── Footer ───────────────────────────────────────────────── */
.site-foot {
  padding: 1.5rem clamp(1.25rem, 3vw, 2rem) 2.5rem;
  font-size: 0.75rem;
  color: var(--mute);
  border-top: 1px solid var(--line);
}
.site-foot a { color: var(--mute); }
.site-foot a:hover { color: var(--ink); }

/* ── Lightbox ─────────────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 3rem);
  animation: lbIn 0.25s ease;
}
.lightbox[hidden] { display: none; }
@keyframes lbIn { from { opacity: 0; } to { opacity: 1; } }

/* settle the stage image in with a gentle rise+scale */
.lb-stage {
  margin: 0;
  max-width: min(1100px, 100%);
  max-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  animation: lbSettle 0.42s cubic-bezier(0.2, 0.9, 0.25, 1.15);
}
@keyframes lbSettle {
  from { opacity: 0; transform: translateY(14px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.lb-stage img {
  max-width: 100%;
  max-height: 82vh;
  object-fit: contain;
  border: 1px solid var(--line);
  background: var(--well);
  box-shadow: var(--shadow);
}
#lb-video {
  max-width: 100%;
  max-height: 82vh;
  width: auto;
  aspect-ratio: 16 / 9;
  background: #000;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
#lb-video:not([hidden]) { display: block; }
.lb-stage figcaption { font-size: 0.8rem; color: var(--mute); text-align: center; max-width: 60ch; margin: 0 auto; }

.lb-close, .lb-prev, .lb-next {
  position: absolute;
  z-index: 5;
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover { background: var(--acid); color: var(--ink); transform: scale(1.06); }
.lb-close { top: clamp(1rem, 3vw, 2rem); right: clamp(1rem, 3vw, 2rem); }
.lb-prev { left: clamp(0.75rem, 3vw, 2rem); top: 50%; transform: translateY(-50%); }
.lb-next { right: clamp(0.75rem, 3vw, 2rem); top: 50%; transform: translateY(-50%); }
.lb-prev:hover, .lb-next:hover { transform: translateY(-50%) scale(1.08); }
.lb-count {
  position: absolute;
  bottom: clamp(0.9rem, 3vw, 1.5rem);
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--mute);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 560px) {
  .proof li, .hub-list li { grid-template-columns: 1fr; gap: 0.25rem; }
  .proof li span, .hub-list span { text-align: left; }
  .lb-prev, .lb-next { top: auto; bottom: 4.5rem; transform: none; }
  .lb-prev { left: 1rem; } .lb-next { right: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .top, .brand, .lede, .ctas, .foot-meta, .reveal, .art-item { opacity: 1; transform: none; }
  .brand mark::after, .art-btn img { transform: none; }
  .art-btn:hover img { transform: none; }
  .art-btn.art-video:hover .tile-video, .art-btn.art-video:focus-visible .tile-video { transform: none; }
  .hero-media video { opacity: 0.35; }
}

/* ══════════════════════════════════════════════════════════════
   VAST-IMPROVEMENT PASS (look + feel kinetics — standing direction)
   ══════════════════════════════════════════════════════════════ */

/* ── Selection + scrollbar craft ─────────────────────────── */
::selection { background: var(--acid); color: var(--ink); }
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--paper); }
::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 6px;
  border: 3px solid var(--paper);
}
::-webkit-scrollbar-thumb:hover { background: var(--acid); }

/* ── Scroll progress bar ─────────────────────────────────── */
.progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 100%;
  transform-origin: left;
  transform: scaleX(0);
  background: linear-gradient(90deg, var(--acid), color-mix(in srgb, var(--acid) 55%, var(--ink)));
  z-index: 120;
  pointer-events: none;
  box-shadow: 0 0 12px var(--glow);
}

/* ── Back to top ─────────────────────────────────────────── */
.to-top {
  position: fixed;
  right: clamp(0.9rem, 3vw, 1.5rem);
  bottom: clamp(0.9rem, 3vw, 1.5rem);
  z-index: 90;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  color: var(--ink);
  font-size: 1.15rem;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.2,0.8,0.2,1), background 0.25s ease;
}
.to-top.show {
  opacity: 1;
  transform: none;
}
.to-top:hover { background: var(--acid); color: var(--ink); border-color: var(--acid); }
.to-top[hidden] { display: none; }

/* ── Telemetry readout (top bar) ─────────────────────────── */
.telemetry {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-variant-numeric: tabular-nums;
}
.telemetry::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 8px var(--acid);
  animation: blip 2.4s ease-in-out infinite;
}
@keyframes blip { 0%,100% { opacity: 1; } 50% { opacity: 0.25; } }

/* ── Link arrow micro-icon ───────────────────────────────── */
.ctas .arr {
  display: inline-block;
  margin-left: 0.4em;
  font-size: 0.8em;
  transition: transform 0.25s cubic-bezier(0.2,0.8,0.2,1);
}
.ctas a:hover .arr { transform: translate(2px, -2px); }

/* ── Hero 3D brand tilt ──────────────────────────────────── */
.stage {
  transition: transform 0.18s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
  transform-style: preserve-3d;
}
.hero.tilt .stage { transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1); }

/* Generative cursor spark canvas sits above vignette, under text */
.sparks {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

/* ── Marquee band ────────────────────────────────────────── */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--acid) 6%, transparent);
  padding: 0.9rem 0;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex;
  align-items: center;
  will-change: transform;
  animation: marquee 26s linear infinite;
}
.marquee-track span {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3vw, 1.7rem);
  font-style: italic;
  letter-spacing: 0.01em;
  padding: 0 1.1rem;
}
.marquee-track i {
  color: var(--acid);
  font-style: normal;
  font-size: 0.9rem;
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ── Art tile 3D tilt + glare + hover caption ────────────── */
.art-item {
  perspective: 900px;
}
.art-btn {
  transform-style: preserve-3d;
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1), box-shadow 0.35s ease;
  background: var(--well);
}
.art-btn .tile-img {
  will-change: transform;
}
.art-btn::before {  /* specular glare sweep */
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  background: linear-gradient(115deg, transparent 20%, rgba(255,255,255,0.22) 45%, transparent 65%);
  transform: translateX(-130%);
  transition: transform 0.7s ease;
  pointer-events: none;
}
.art-btn:hover::before { transform: translateX(130%); }
.art-btn:hover {
  box-shadow: 0 22px 44px -20px rgba(0,0,0,0.45);
}

/* hover caption overlay (drawn over the thumb) */
.art-cap {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 4;
  padding: 1.1rem 1rem 0.9rem;
  background: linear-gradient(to top, color-mix(in srgb, var(--ink) 88%, transparent), transparent);
  color: var(--paper);
  font-size: 0.82rem;
  line-height: 1.35;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.2,0.8,0.2,1);
  pointer-events: none;
}
.art-btn:hover .art-cap { opacity: 1; transform: none; }

/* ── Scroll-linked section scrim (headings deepen) ───────── */
.reveal h2 { position: relative; }
.reveal h2::after {
  content: "";
  position: absolute;
  left: 0; bottom: -0.12em;
  height: 0.09em;
  width: 100%;
  background: var(--acid);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) 0.15s;
}
.reveal.in h2::after { transform: scaleX(1); }

/* ── Lightbox zoom + cinematic open ──────────────────────── */
.lb-stage img {
  cursor: zoom-in;
  touch-action: manipulation;
  transform-origin: 0 0;
  user-select: none;
  will-change: transform;
}
.lb-stage img.pan { cursor: grab; }
.lb-stage img.pan.dragging { cursor: grabbing; }
.lb-zoom {
  position: absolute;
  right: clamp(0.9rem, 3vw, 2rem);
  bottom: clamp(0.9rem, 3vw, 1.5rem);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  z-index: 6;
}
.lb-z {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: color-mix(in srgb, var(--ink) 88%, transparent);
  color: var(--paper);
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.2s ease;
}
.lightbox.open .lb-z { opacity: 1; transform: none; }
.lb-z:hover { background: var(--acid); color: var(--ink); }

/* fade stage into place on open */
.lightbox.open { animation: lbIn 0.18s ease; }
.lightbox.open .lb-stage { animation: lbSettle 0.42s cubic-bezier(0.2, 0.9, 0.25, 1.15); }

@media (max-width: 560px) {
  .to-top { width: 40px; height: 40px; }
  .lb-zoom { flex-direction: row; right: auto; left: 50%; transform: translateX(-50%); bottom: 5.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  .progress { transform: none; width: 0; }
  .marquee-track { animation: none; }
  .telemetry::before { animation: none; }
  .art-btn::before { display: none; }
  .art-cap { opacity: 1; transform: none; }
}


/* ══════════════════════════════════════════════════════════════
   TOP-TIER PASS (2026-08-03) — art-directed premium relaunch
   Full-bleed cinematic hero w/ topology centerpiece + project showcase.
   ══════════════════════════════════════════════════════════════ */

/* ── Root: richer accent language (keep acid as the one accent) ── */
:root {
  --acid-soft: rgba(200, 245, 74, 0.14);
  --acid-line: rgba(200, 245, 74, 0.55);
  --card-shadow: 0 24px 60px -30px rgba(18, 20, 26, 0.5);
}
html[data-theme="dark"] {
  --card-shadow: 0 24px 70px -30px rgba(0, 0, 0, 0.85);
}

/* ── Section kickers (editorial eyebrow over every h2) ────────── */
.kicker {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--acid);
  margin-bottom: 0.55rem;
  font-weight: 500;
}
.systems .kicker, .gallery .kicker, .hub .kicker, .proof .kicker {
  margin-bottom: 0.4rem;
}

/* ── Hero stage → art-directed two-column split ─────────────── */
.stage {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: clamp(1.5rem, 4vw, 4rem);
  max-width: 100%;
  width: 100%;
  padding-bottom: clamp(0.5rem, 2vh, 1.5rem);
}
.stage-main {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-width: 0;
}

/* eyebrow badge above the brand */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 1rem;
  opacity: 0;
  animation: rise 0.7s ease 0.1s forwards;
}
.eyebrow-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 10px var(--acid);
  flex: none;
}

/* hero visual centerpiece — framed plate */
.plate {
  position: relative;
  margin: 0;
  justify-self: end;
  width: 100%;
  max-width: 560px;
  opacity: 0;
  transform: translateY(16px) scale(0.99);
  animation: plateIn 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) 0.3s forwards;
}
@keyframes plateIn {
  from { opacity: 0; transform: translateY(16px) scale(0.985); }
  to { opacity: 1; transform: none; }
}

.plate img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 821;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--well);
  box-shadow: var(--card-shadow);
  filter: saturate(0.96) contrast(1.02);
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.plate:hover img { transform: translateY(-3px); }
html[data-theme="dark"] .plate img { border-color: rgba(234, 230, 221, 0.2); }

/* acid corner-bracket frame over the plate image */
.plate::before,
.plate::after {
  content: "";
  position: absolute;
  width: 26px; height: 26px;
  border-color: var(--acid);
  border-style: solid;
  z-index: 2;
  pointer-events: none;
}
.plate::before { top: -8px; left: -8px; border-width: 2px 0 0 2px; }
.plate::after { bottom: -8px; right: -8px; border-width: 0 2px 2px 0; }

.plate-tag {
  position: absolute;
  top: -11px;
  right: 1.1rem;
  background: var(--ink);
  color: var(--acid);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--acid-line);
  z-index: 3;
}
html[data-theme="dark"] .plate-tag { background: #1a1d22; }

.plate-cap {
  margin-top: 0.7rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
  text-align: right;
}
.plate-cap em { color: var(--acid); font-style: italic; }

/* ── Systems strip: full-height glow lift ─────────────────── */
.sys-grid { box-shadow: var(--shadow); }

/* ── PROJECT SHOWCASE (proof) ─────────────────────────────── */
.proof-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.proof-head h2 { margin-bottom: 0; }
.proof-all {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.15rem;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.proof-all:hover { color: var(--acid); border-color: var(--acid); }
.proof-all .arr { font-size: 0.9em; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: clamp(1rem, 2.4vw, 1.75rem);
  max-width: 68rem;
}

/* first card (hero project) spans 2 cols on wide screens for hierarchy */
.card-grid .card:first-child {
  grid-column: span 2;
}

.card {
  background: var(--well);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.4s cubic-bezier(0.2, 0.7, 0.2, 1), box-shadow 0.4s ease, border-color 0.3s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow);
  border-color: var(--acid-line);
}

.card-top {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 8.6;
  border-bottom: 1px solid var(--line);
}
.card-grid .card:first-child .card-top { aspect-ratio: 16 / 6.4; }
.card-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.02);
  transition: transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1), filter 0.4s ease;
}
.card:hover .card-img { transform: scale(1.05); filter: saturate(1.05); }

/* subtle dark scrim so the number badge pops on any art */
.card-top::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 12, 16, 0.35), transparent 55%);
  pointer-events: none;
}

.card-num {
  position: absolute;
  right: 0.9rem;
  bottom: 0.85rem;
  z-index: 2;
  font-family: var(--font-body);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--acid);
  padding: 0.28rem 0.6rem;
  border-radius: 2px;
  box-shadow: 0 6px 18px -6px rgba(0,0,0,0.5);
}
.card-num b {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-right: 0.15em;
}

.card-body { padding: 1.15rem 1.2rem 1.35rem; }
.card-body h3 { font-family: var(--font-display); font-size: clamp(1.25rem, 2.6vw, 1.6rem); font-weight: 600; }
.card-body h3 a {
  text-decoration: none;
  color: inherit;
  border-bottom: 2px solid transparent;
  transition: border-color 0.25s ease;
}
.card-body h3 a:hover { border-bottom-color: var(--acid); }
.card-body p {
  margin-top: 0.55rem;
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--mute);
  max-width: 46ch;
}
.card-body p strong { color: var(--ink); }

/* ── Refined headings for the new editorial voice ────────── */
.systems h2, .proof h2, .gallery h2, .hub h2 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.015em;
}

/* ── Responsive: stack hero + un-column first card ──────── */
@media (max-width: 920px) {
  .stage {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .plate { justify-self: start; max-width: 100%; }
  .card-grid .card:first-child { grid-column: span 1; }
  .card-grid .card:first-child .card-top { aspect-ratio: 16 / 8.6; }
  .proof-head { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}

/* reduce-motion: plate + cards just appear */
@media (prefers-reduced-motion: reduce) {
  .plate { opacity: 1; transform: none; animation: none; }
  .eyebrow { opacity: 1; animation: none; }
  .plate::before, .plate::after { display: none; }
  .card { transition: none; }
  .card-img { transform: none; }
  .card:hover { transform: none; }
  .card:hover .card-img { transform: none; }
  .plate:hover img { transform: none; }
}

/* ══════════════════════════════════════════════════════════════
   KINETIC PASS (2026-08-03) — signal trace / spotlight / spring
   ══════════════════════════════════════════════════════════════ */

/* ── Plate signal trace overlay (Dobby -> DGX Spark -> Freegle) ── */
.plate-trace {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  aspect-ratio: 1200 / 821;
  z-index: 2;
  pointer-events: none;
}
.trace-ghost {
  fill: none;
  stroke: var(--acid);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.16;
  stroke-dasharray: 2 10;   /* dotted route hint until scroll draws it */
}
.trace-line {
  fill: none;
  stroke: var(--acid);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.9;
}
.trace-pulse .trace-halo {
  fill: none;
  stroke: var(--acid);
  stroke-width: 1.5;
  opacity: 0.5;
}
.trace-pulse .trace-dot { fill: var(--acid); }
.trace-node {
  fill: none;
  stroke: var(--acid);
  stroke-width: 1.5;
  opacity: 0.55;
}

/* ── Cursor-follow acid spotlight (cards + art tiles) ────────── */
.spot {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s ease;
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%),
              var(--acid-soft), transparent 62%);
  border-radius: inherit;
}
.card .spot { z-index: 1; }            /* under the number badge (z2) */
.art-btn .spot { z-index: 2; }         /* under glare (z3) + caption (z4) */
.card.spot-on .spot, .art-btn.spot-on .spot { opacity: 1; }

/* ── Spring magnetic: let the JS spring own transform ────────── */
body.spring-mag .ctas a {
  transition: color 0.2s ease, border-color 0.2s ease;
}

/* ── Lightbox directional slide-in on next/prev ──────────────── */
.lb-stage img.lb-swap {
  animation: lbSwap 0.34s cubic-bezier(0.2, 0.8, 0.2, 1);
}
@keyframes lbSwap {
  from {
    opacity: 0.1;
    transform: translateX(calc(var(--dir, 1) * 26px)) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .plate-trace .trace-pulse { display: none; }
  .spot { display: none; }
}