/* ------------------------------------------------------------------
   Shared skeleton. Structure only — every colour, face and rhythm
   decision lives in the individual direction's <style> block.
   ------------------------------------------------------------------ */
@import url('./fonts/fonts.css');

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, canvas { display: block; max-width: 100%; }

h1, h2, h3, p, figure, blockquote { margin: 0; }

::selection { background: var(--sel, rgba(255,255,255,.18)); }

/* ---------- loader ---------- */

.loader {
  position: fixed; inset: 0; z-index: 100;
  background: var(--bg);
  display: grid; place-items: center;
  transition: opacity .9s ease, visibility .9s;
}
.loader.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.loader[hidden] { display: none; }

.loader__inner { text-align: center; width: min(300px, 70vw); }

.loader__mark {
  font-family: var(--serif);
  font-size: clamp(15px, 2.4vw, 20px);
  letter-spacing: .38em;
  text-transform: uppercase;
  margin-bottom: 2.2rem;
  opacity: .82;
}

.loader__track {
  height: 1px;
  background: var(--rule);
  position: relative;
  overflow: hidden;
}
.loader__bar {
  position: absolute; inset: 0;
  background: var(--fg);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .35s cubic-bezier(.4,0,.2,1);
}

.loader__num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .22em;
  margin-top: 1.1rem;
  opacity: .5;
}

/* ---------- scroll spans ---------- */

.span { position: relative; }
.span__sticky {
  position: sticky; top: 0;
  height: 100vh; height: 100svh;
  overflow: hidden;
}
.plate { width: 100%; height: 100%; }

/* ---------- reveal ---------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 1.1s cubic-bezier(.22,1,.36,1), transform 1.1s cubic-bezier(.22,1,.36,1);
}
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .12s; }
[data-reveal][data-delay="2"] { transition-delay: .24s; }
[data-reveal][data-delay="3"] { transition-delay: .36s; }

/* ---------- direction badge (persistent, so the client always knows
              which of the three they are looking at) ---------- */

.badge {
  position: fixed; z-index: 60;
  left: clamp(18px, 3vw, 40px);
  bottom: clamp(18px, 3vw, 34px);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--fg);
  opacity: .42;
  mix-blend-mode: var(--badge-blend, normal);
  pointer-events: none;
}

.studio {
  position: fixed; z-index: 60;
  right: clamp(18px, 3vw, 40px);
  bottom: clamp(18px, 3vw, 34px);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  opacity: .32;
  text-decoration: none;
  color: inherit;
  transition: opacity .4s;
}
.studio:hover { opacity: .75; }

/* ---------- scroll hint ---------- */

.hint {
  position: absolute;
  left: 50%; bottom: clamp(24px, 5vh, 54px);
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .26em;
  text-transform: uppercase;
  opacity: .45;
}
/* The pulse lives on an inner span. Animating opacity on .hint itself
   would out-rank the inline opacity the scroll driver sets, and the
   hint would never fade out on scroll. */
.hint span {
  display: inline-block;
  animation: hint 3.4s ease-in-out infinite;
}
@keyframes hint {
  0%, 100% { transform: translateY(0);   opacity: .55; }
  50%      { transform: translateY(5px); opacity: 1; }
}

/* ---------- closing card ---------- */

.close {
  min-height: 100vh; min-height: 100svh;
  display: grid; place-items: center;
  text-align: center;
  padding: 12vh clamp(20px, 6vw, 80px);
}
.close__eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .3em;
  text-transform: uppercase;
  opacity: .45;
  margin-bottom: 2.4rem;
}
.close__line {
  width: 1px; height: clamp(48px, 9vh, 90px);
  background: var(--rule);
  margin: 2.8rem auto 0;
}
.close__note {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  opacity: .38;
  margin-top: 2.2rem;
  line-height: 2;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}