/* ==========================================================================
   BASE — reset, typography, utilities, motion primitives
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: clip; color-scheme: dark; }
body {
  margin: 0; background: var(--void); color: var(--bone);
  font: var(--w-body) var(--t-body)/1.65 var(--f-body);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  /* NOTE: no overflow-x here — it would break position:sticky (pinned rail, tab bar) */
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
[hidden] { display: none !important; }
::selection { background: var(--ember); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--ember); outline-offset: 3px; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--deep); }
::-webkit-scrollbar-thumb { background: var(--line-2); }
::-webkit-scrollbar-thumb:hover { background: var(--bone-4); }

/* ---------- layout helpers ---------- */
.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gut); }
.sec  { padding-block: var(--sec); position: relative; }
.sec--tight { padding-block: clamp(56px, 6vw, 96px); }
.sec--flush-top { padding-top: 0; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- type ---------- */
.mono {
  font-family: var(--f-mono); font-size: var(--t-mono); font-weight: 400;
  letter-spacing: .08em; text-transform: uppercase;
}
.display, .h1, .h2, .h3, .h4 {
  font-family: var(--f-display); font-weight: var(--w-heading); text-transform: uppercase;
  line-height: .98; letter-spacing: var(--track-display); margin: 0; text-wrap: balance;
}
.display { font-size: var(--t-hero); font-weight: var(--w-display); letter-spacing: var(--track-display); }
.h1 { font-size: var(--t-h1); font-weight: var(--w-display); }
.h2 { font-size: var(--t-h2); }
.h3 { font-size: var(--t-h3); line-height: 1; }
.h4 { font-size: var(--t-h4); line-height: 1.12; letter-spacing: var(--track-display); }
.lede { font-size: var(--t-lede); line-height: 1.55; color: var(--bone-2); max-width: 62ch; margin: 0; }
p { margin: 0; }
.dim  { color: var(--bone-2); }
.dim2 { color: var(--bone-3); }
.em   { color: var(--ember); }
.ok   { color: var(--nvg); }
.outline-type { color: transparent; -webkit-text-stroke: 1.5px var(--bone-4); }

/* ---------- motion primitives (driven by assets/js/motion.js) ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity var(--d-slow) var(--e-out), transform var(--d-slow) var(--e-out); transition-delay: var(--d, 0s); }
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js [data-reveal="fade"] { transform: none; }
.js [data-reveal="scale"] { transform: scale(.96); }
.js [data-reveal="scale"].is-in { transform: none; }
.js [data-reveal="left"] { transform: translateX(-28px); }
.js [data-reveal="left"].is-in { transform: none; }

.js .split__line { display: block; overflow: hidden; padding-bottom: .06em; margin-bottom: -.06em; }
.js .split__line > span { display: block; transform: translateY(110%); transition: transform 1.05s var(--e-out); transition-delay: var(--d, 0s); }
.js .is-in .split__line > span, .js .split__line.is-in > span { transform: none; }

.js [data-draw] { transform: scaleX(0); transform-origin: left; transition: transform 1.1s var(--e-out); transition-delay: var(--d, 0s); }
.js [data-draw].is-in { transform: scaleX(1); }

@media (prefers-reduced-motion: reduce) {
  .js [data-reveal], .js .split__line > span, .js [data-draw] { opacity: 1 !important; transform: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- ambient field: grid + vignette + grain ---------- */
.field { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.field__grid {
  position: absolute; inset: -120px;
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--bone) 3.5%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--bone) 3.5%, transparent) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 20%, transparent 95%);
  will-change: transform;
}
.field__vig { position: absolute; inset: 0; background: radial-gradient(ellipse 120% 90% at 50% 45%, transparent 45%, rgba(0,0,0,.62) 100%); }
.field__scan { position: absolute; inset: 0; background: repeating-linear-gradient(to bottom, rgba(255,255,255,.016) 0 1px, transparent 1px 3px); }
main, .site-footer, .site-nav { position: relative; z-index: 1; }