/* ============================================================
   HOUSE LIGHTS — Core: reset, primitives, layout, components
   ============================================================ */

/* ---------- Reset ---------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  /* Anchor targets clear the fixed nav */
  scroll-padding-top: 6rem;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--void);
  color: var(--bone);
  font-family: var(--f-body);
  font-size: var(--t-body);
  line-height: var(--lh-body);
  font-synthesis-weight: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video, canvas { display: block; max-width: 100%; }
img, video { height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
h1, h2, h3, h4, h5, h6 { font-weight: inherit; line-height: var(--lh-snug); text-wrap: balance; }
p { text-wrap: pretty; }

::selection { background: var(--cue); color: var(--void); }

:focus-visible {
  outline: 2px solid var(--cue-bright);
  outline-offset: 3px;
  border-radius: var(--radius);
}

/* ---------- Accessibility -------------------------------------- */
.skip-link {
  position: absolute; top: 0; left: 0;
  padding: var(--s-3) var(--s-5);
  background: var(--cue); color: var(--void);
  font: 700 var(--t-small)/1 var(--f-mono);
  letter-spacing: var(--tk-label); text-transform: uppercase;
  transform: translateY(-120%);
  transition: transform var(--d-fast) var(--e-out);
  z-index: calc(var(--z-modal) + 1);
}
.skip-link:focus { transform: translateY(0); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap; border: 0;
}

/* ---------- Film grain + vignette ------------------------------ */
/* A single fixed overlay. Cheap: one composited layer, no repaint. */
.grain {
  position: fixed; inset: -50%;
  z-index: var(--z-grain);
  pointer-events: none;
  opacity: 0.16;
  background-image: var(--grain-src);
  background-size: 220px 220px;
  will-change: transform;
  animation: grain-shift 700ms steps(1) infinite;
  mix-blend-mode: overlay;
}
@keyframes grain-shift {
  0%   { transform: translate(0, 0); }
  20%  { transform: translate(-6%, 3%); }
  40%  { transform: translate(4%, -5%); }
  60%  { transform: translate(-3%, -4%); }
  80%  { transform: translate(5%, 4%); }
  100% { transform: translate(0, 0); }
}
.vignette {
  position: fixed; inset: 0; z-index: calc(var(--z-grain) - 1);
  pointer-events: none;
  background: radial-gradient(120% 90% at 50% 45%, transparent 40%, rgba(0,0,0,.55) 100%);
}
@media (prefers-reduced-motion: reduce) { .grain { animation: none; } }

/* ---------- Layout --------------------------------------------- */
.shell {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.shell--text { max-width: var(--maxw-text); }
.shell--wide { max-width: 1780px; }

.band { padding-block: var(--band); position: relative; }
.band--tight { padding-block: calc(var(--band) * 0.6); }
.band--flush-top { padding-top: 0; }

.rule {
  height: 1px; border: 0;
  background: linear-gradient(90deg, transparent, var(--edge) 12%, var(--edge) 88%, transparent);
}

.grid { display: grid; gap: var(--s-6); }
/* Grid and flex children default to min-width:auto, which means a wide
   child (a min-width table, a long code string) stretches the track and
   pushes the page sideways — even when that child sits in an
   overflow-x:auto wrapper. Opting out is what makes those wrappers work. */
.grid > *, .grid--sidebar > * { min-width: 0; }
.prose, .stack > *, .stack-lg > * { min-width: 0; }
.table-scroll { max-width: 100%; }
@media (min-width: 860px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  /* align-items:start, not the default stretch. Otherwise the shorter column
     is inflated to match the taller one, and any nested grid inside it hands
     that slack down to its own children — which is how form inputs end up
     70px tall and inconsistent with each other. */
  .grid--sidebar { grid-template-columns: minmax(0, 1fr) minmax(0, 1.7fr); gap: var(--s-8); align-items: start; }
}
@media (min-width: 1180px) {
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Type primitives ------------------------------------ */
.display {
  font-family: var(--f-display);
  font-weight: 800;
  letter-spacing: var(--tk-tight);
  line-height: var(--lh-tight);
  font-stretch: 112%;
  text-transform: uppercase;
}
.h1 { font-size: var(--t-h1); }
.h2 { font-size: var(--t-h2); }
.h3 { font-size: var(--t-h3); letter-spacing: -0.02em; }
.h4 { font-size: var(--t-h4); letter-spacing: -0.01em; font-stretch: 100%; }

.serif {
  font-family: var(--f-serif);
  font-weight: 400;
  font-style: italic;
  text-transform: none;
  letter-spacing: -0.01em;
  font-stretch: normal;
}

.lead {
  font-size: var(--t-lead);
  line-height: 1.5;
  color: var(--bone-dim);
  max-width: 58ch;
}

.label {
  font-family: var(--f-mono);
  font-size: var(--t-micro);
  font-weight: 500;
  letter-spacing: var(--tk-label);
  text-transform: uppercase;
  color: var(--cue);
}
.label--dim { color: var(--bone-faint); }

/* Section eyebrow with the cue-lit tick mark */
.eyebrow {
  display: flex; align-items: center; gap: var(--s-3);
  font-family: var(--f-mono);
  font-size: var(--t-micro);
  letter-spacing: var(--tk-label);
  text-transform: uppercase;
  color: var(--bone-faint);
  margin-bottom: var(--s-5);
}
.eyebrow::before {
  content: ""; width: 34px; height: 2px; flex: none;
  background: var(--cue);
  box-shadow: 0 0 14px var(--cue-glow);
}
.eyebrow b { color: var(--cue); font-weight: 500; }

.prose p + p { margin-top: var(--s-5); }
.prose p { max-width: var(--measure); color: var(--bone-dim); }
.prose strong { color: var(--bone); font-weight: 600; }
.prose a:not(.btn) {
  color: var(--cue-bright);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--d-fast) var(--e-out);
}
.prose a:not(.btn):hover { color: var(--bone); }
.prose h2 { font-family: var(--f-display); font-size: var(--t-h2); text-transform: uppercase; letter-spacing: var(--tk-tight); font-weight: 800; margin-top: var(--s-9); margin-bottom: var(--s-5); }
.prose h3 { font-family: var(--f-display); font-size: var(--t-h3); margin-top: var(--s-7); margin-bottom: var(--s-4); font-weight: 700; }
.prose ul { margin-top: var(--s-4); display: grid; gap: var(--s-3); }
.prose ul li { position: relative; padding-left: var(--s-5); color: var(--bone-dim); max-width: var(--measure); }
.prose ul li::before {
  content: ""; position: absolute; left: 0; top: 0.7em;
  width: 10px; height: 1px; background: var(--cue);
}

/* ---------- Buttons -------------------------------------------- */
.btn {
  --btn-bg: var(--cue);
  --btn-fg: var(--void);
  position: relative;
  display: inline-flex; align-items: center; gap: var(--s-3);
  padding: var(--s-4) var(--s-6);
  background: var(--btn-bg); color: var(--btn-fg);
  font-family: var(--f-mono);
  font-size: var(--t-small); font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  border: 1px solid var(--btn-bg);
  border-radius: var(--radius);
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition: color var(--d-base) var(--e-out),
              border-color var(--d-base) var(--e-out),
              box-shadow var(--d-base) var(--e-out),
              transform var(--d-fast) var(--e-out);
}
/* Light-sweep: a beam crosses the button on hover */
.btn::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg, transparent 20%, rgba(255,255,255,.85) 50%, transparent 80%);
  transform: translateX(-130%);
  transition: transform var(--d-slow) var(--e-out);
}
.btn:hover { box-shadow: 0 0 0 1px var(--cue-bright), 0 8px 40px -6px var(--cue-glow); }
.btn:hover::after { transform: translateX(130%); }
.btn:active { transform: translateY(1px); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--bone);
  border-color: var(--edge-strong);
}
.btn--ghost:hover { --btn-fg: var(--cue-bright); border-color: var(--cue); }
.btn--ghost::after { background: linear-gradient(100deg, transparent 20%, var(--cue-wash) 50%, transparent 80%); }

.btn--lg { padding: var(--s-5) var(--s-7); font-size: var(--t-body); letter-spacing: 0.1em; }

.btn .arrow { transition: transform var(--d-base) var(--e-snap); }
.btn:hover .arrow { transform: translateX(5px); }

/* Text link with animated rule */
.tlink {
  display: inline-flex; align-items: center; gap: var(--s-2);
  font-family: var(--f-mono); font-size: var(--t-small);
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--bone);
  padding-bottom: 3px;
  background-image: linear-gradient(var(--cue), var(--cue));
  background-size: 0% 1px; background-position: 0 100%; background-repeat: no-repeat;
  transition: background-size var(--d-base) var(--e-out), color var(--d-base) var(--e-out);
}
.tlink:hover { color: var(--cue-bright); background-size: 100% 1px; }

/* ---------- Nav ------------------------------------------------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-5);
  padding: var(--s-5) var(--gutter);
  transition: background var(--d-base) var(--e-out),
              backdrop-filter var(--d-base) var(--e-out),
              border-color var(--d-base) var(--e-out),
              padding var(--d-base) var(--e-out);
  border-bottom: 1px solid transparent;
}
.nav[data-stuck="true"] {
  background: rgba(5, 5, 7, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--edge);
  padding-block: var(--s-4);
}

.wordmark {
  display: flex; align-items: baseline; gap: 0.5ch;
  font-family: var(--f-display); font-weight: 800;
  font-size: 1.0625rem; letter-spacing: 0.16em; text-transform: uppercase;
  font-stretch: 112%;
  white-space: nowrap;
}
.wordmark .wm-a { color: var(--bone); }
.wordmark .wm-b {
  color: transparent;
  -webkit-text-stroke: 1px var(--cue);
  text-shadow: 0 0 22px var(--cue-glow);
  transition: color var(--d-base) var(--e-out);
}
.wordmark:hover .wm-b { color: var(--cue); }
.wordmark .alt {
  font-family: var(--f-mono); font-size: 0.5rem; font-weight: 500;
  letter-spacing: 0.2em; color: var(--bone-faint);
  align-self: flex-end; padding-bottom: 1px;
}

.nav-links { display: none; align-items: center; gap: var(--s-6); }
@media (min-width: 1040px) { .nav-links { display: flex; } }
.nav-links a {
  font-family: var(--f-mono); font-size: var(--t-micro);
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--bone-dim);
  position: relative; padding-block: var(--s-2);
  transition: color var(--d-fast) var(--e-out);
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: var(--cue);
  transform: scaleX(0); transform-origin: right;
  transition: transform var(--d-base) var(--e-out);
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--bone); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }

.nav-cta { display: none; }
@media (min-width: 680px) { .nav-cta { display: inline-flex; } }

/* Mobile menu */
.nav-toggle {
  display: grid; place-items: center; gap: 5px;
  width: 44px; height: 44px;
  background: none; border: 1px solid var(--edge-strong); border-radius: var(--radius);
  cursor: pointer;
}
@media (min-width: 1040px) { .nav-toggle { display: none; } }
.nav-toggle span { display: block; width: 18px; height: 1.5px; background: var(--bone); transition: transform var(--d-base) var(--e-out), opacity var(--d-fast); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-drawer {
  position: fixed; inset: 0; z-index: calc(var(--z-nav) - 1);
  background: var(--void);
  display: grid; align-content: center;
  padding: var(--s-9) var(--gutter);
  gap: var(--s-4);
  clip-path: inset(0 0 100% 0);
  transition: clip-path var(--d-slow) var(--e-out);
  visibility: hidden;
}
.nav-drawer[data-open="true"] { clip-path: inset(0 0 0 0); visibility: visible; }
.nav-drawer a {
  font-family: var(--f-display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(2rem, 9vw, 3.5rem); letter-spacing: var(--tk-tight);
  line-height: 1; color: var(--bone-dim);
  opacity: 0; transform: translateY(18px);
  transition: opacity var(--d-base) var(--e-out), transform var(--d-base) var(--e-out), color var(--d-fast);
}
.nav-drawer[data-open="true"] a { opacity: 1; transform: none; }
.nav-drawer a:nth-child(1) { transition-delay: 80ms; }
.nav-drawer a:nth-child(2) { transition-delay: 130ms; }
.nav-drawer a:nth-child(3) { transition-delay: 180ms; }
.nav-drawer a:nth-child(4) { transition-delay: 230ms; }
.nav-drawer a:nth-child(5) { transition-delay: 280ms; }
.nav-drawer a:nth-child(6) { transition-delay: 330ms; }
.nav-drawer a:hover { color: var(--cue); }

/* ---------- Reveal-on-scroll -----------------------------------
   Scoped to .js (set by an inline script in <head>) so that with
   JavaScript off nothing is ever left at opacity 0 with no observer
   coming to reveal it. */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 900ms var(--e-out), transform 900ms var(--e-out);
  transition-delay: var(--reveal-delay, 0ms);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }

/* Curtain wipe.
   The clip lives on an INNER layer, never the observed element: clipping a
   target to zero height also zeroes its IntersectionObserver rect, so the
   element can never trigger the class that would un-clip it. */
.wipe-layer {
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1100ms var(--e-out);
}
.is-in .wipe-layer { clip-path: inset(0 0 0 0); }

/* Line-by-line type raise */
.raise { display: block; overflow: hidden; }
.js .raise > span {
  display: block;
  transform: translateY(105%);
  transition: transform 1000ms var(--e-out);
  transition-delay: var(--reveal-delay, 0ms);
}
.js .is-in .raise > span, .js .raise.is-in > span { transform: none; }

@media (prefers-reduced-motion: reduce) {
  .js [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .wipe-layer { clip-path: none !important; transition: none !important; }
  .js .raise > span { transform: none !important; transition: none !important; }
}

/* ---------- Cards / panels ------------------------------------- */
.panel {
  position: relative;
  background: linear-gradient(168deg, var(--ink-2), var(--ink));
  border: 1px solid var(--edge);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.panel::before {
  /* raking light from the top-left corner */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(120% 90% at 0% 0%, var(--cue-wash), transparent 55%);
  opacity: 0; transition: opacity var(--d-base) var(--e-out);
}
.panel:hover::before { opacity: 1; }

/* ---------- Footer --------------------------------------------- */
.footer { border-top: 1px solid var(--edge); background: var(--ink); }
.footer-grid { display: grid; gap: var(--s-8); padding-block: var(--s-9) var(--s-7); }
@media (min-width: 900px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: var(--s-7); } }
.footer h4 {
  font-family: var(--f-mono); font-size: var(--t-micro);
  letter-spacing: var(--tk-label); text-transform: uppercase;
  color: var(--bone-faint); margin-bottom: var(--s-4);
}
.footer-links { display: grid; gap: var(--s-3); }
.footer-links a { color: var(--bone-dim); font-size: 0.9375rem; transition: color var(--d-fast); }
.footer-links a:hover { color: var(--cue-bright); }
.footer-base {
  display: flex; flex-wrap: wrap; gap: var(--s-4) var(--s-6);
  justify-content: space-between; align-items: center;
  padding-block: var(--s-5);
  border-top: 1px solid var(--edge);
  font-family: var(--f-mono); font-size: var(--t-micro);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--bone-faint);
}

/* ---------- Marquee -------------------------------------------- */
.marquee { overflow: hidden; border-block: 1px solid var(--edge); padding-block: var(--s-4); }
.marquee-track { display: flex; width: max-content; animation: marquee 44s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track > * { display: flex; align-items: center; gap: var(--s-6); padding-right: var(--s-6); }
.marquee span {
  font-family: var(--f-display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(1.25rem, 3vw, 2.25rem); letter-spacing: var(--tk-tight);
  color: transparent; -webkit-text-stroke: 1px var(--bone-faint);
  white-space: nowrap;
  transition: color var(--d-base) var(--e-out), -webkit-text-stroke-color var(--d-base);
}
.marquee span:hover { color: var(--cue); -webkit-text-stroke-color: var(--cue); }
.marquee .dot { width: 6px; height: 6px; flex: none; background: var(--cue); border-radius: 50%; box-shadow: 0 0 12px var(--cue-glow); }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; flex-wrap: wrap; width: 100%; } }

/* ---------- Utility -------------------------------------------- */
.cue-text { color: var(--cue); }
.stack { display: grid; gap: var(--s-5); }
.stack-lg { display: grid; gap: var(--s-7); }
.flow-x { display: flex; flex-wrap: wrap; gap: var(--s-4); align-items: center; }
.center { text-align: center; }
.dim { color: var(--bone-dim); }
.faint { color: var(--bone-faint); }
.mono { font-family: var(--f-mono); }
.nowrap { white-space: nowrap; }