/* ============================================================
   BASE — reset, typography, motion primitives
   ============================================================ */

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

html {
  background: var(--void);      /* the page black lives here… */
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
html.has-smooth { scroll-behavior: auto; }

body {
  margin: 0;
  background: transparent;      /* …so a z-index:-1 canvas can sit above it
                                   and below every single piece of content */
  color: var(--white);
  font-family: var(--f-display);
  font-size: var(--t-body);
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: -0.005em;
  overflow-x: hidden;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.is-locked { overflow: hidden; }

img, video, svg { display: block; max-width: 100%; }
ul, ol, dl, dd { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p, figure { margin: 0; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
code { font-family: var(--f-mono); }

::selection { background: var(--neon); color: #000; }

:focus-visible {
  outline: 1px solid var(--neon);
  outline-offset: 4px;
}

.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 200;
  padding: 10px 16px; background: var(--white); color: #000;
  font: 500 12px/1 var(--f-mono); letter-spacing: 0.1em; text-transform: uppercase;
  transform: translateY(-200%);
}
.skip-link:focus { transform: none; }

/* ── Type roles ─────────────────────────────────────────── */

.mega {
  font-size: var(--t-mega);
  font-weight: 800;
  font-stretch: 112%;
  line-height: 0.9;
  letter-spacing: var(--track-tight);
  text-transform: uppercase;
}
.mega--tight { line-height: 0.86; }

.h2 {
  font-size: var(--t-h2);
  font-weight: 800;
  font-stretch: 110%;
  line-height: 0.94;
  letter-spacing: var(--track-tight);
  text-transform: uppercase;
}

.eyebrow {
  font-family: var(--f-mono);
  font-size: var(--t-micro);
  font-weight: 500;
  letter-spacing: var(--track-micro);
  text-transform: uppercase;
  color: var(--ash);
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 22px; height: 1px;
  margin: 0 12px 4px 0;
  background: var(--line-neon);
  vertical-align: middle;
}

.lede {
  font-size: var(--t-lede);
  line-height: 1.45;
  color: var(--smoke);
  max-width: 46ch;
}
.dim { color: var(--ash); }

/* ── Reveal primitives ──────────────────────────────────── */

/* line masks: child slides up from behind an overflow clip */
.mask { display: block; overflow: hidden; }
.mask > span {
  display: block;
  transform: translate3d(0, 108%, 0);
  transition: transform 1.05s var(--e-mask);
}
.is-in .mask > span,
.mask.is-in > span { transform: translate3d(0, 0, 0); }

.mask:nth-child(2) > span { transition-delay: 0.09s; }
.mask:nth-child(3) > span { transition-delay: 0.18s; }
.mask:nth-child(4) > span { transition-delay: 0.27s; }

/* soft fade + rise for blocks */
[data-reveal] {
  opacity: 0;
  transform: translate3d(0, 26px, 0);
  transition: opacity 0.9s var(--e-out), transform 0.9s var(--e-out);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* staggered children */
[data-stagger] > * {
  opacity: 0;
  transform: translate3d(0, 22px, 0);
  transition: opacity 0.75s var(--e-out), transform 0.75s var(--e-out);
}
[data-stagger].is-in > * { opacity: 1; transform: none; }
[data-stagger].is-in > *:nth-child(1) { transition-delay: 0.04s; }
[data-stagger].is-in > *:nth-child(2) { transition-delay: 0.12s; }
[data-stagger].is-in > *:nth-child(3) { transition-delay: 0.20s; }
[data-stagger].is-in > *:nth-child(4) { transition-delay: 0.28s; }
[data-stagger].is-in > *:nth-child(5) { transition-delay: 0.36s; }

/* ── Film grain ─────────────────────────────────────────── */

.grain {
  position: fixed;
  inset: -60%;
  z-index: var(--z-grain);
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  will-change: transform;
  animation: grain-shift 0.8s steps(5) infinite;
}
@keyframes grain-shift {
  0%   { transform: translate3d(0, 0, 0); }
  20%  { transform: translate3d(-3%, 2%, 0); }
  40%  { transform: translate3d(2%, -3%, 0); }
  60%  { transform: translate3d(-2%, -2%, 0); }
  80%  { transform: translate3d(3%, 1%, 0); }
  100% { transform: translate3d(0, 0, 0); }
}
@media (max-width: 900px) { .grain { display: none; } }

/* ── Reduced motion ─────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .mask > span { transform: none; }
  [data-reveal], [data-stagger] > * { opacity: 1; transform: none; }
  .grain { display: none; }
}