/* OAKHOLLOW premium tier — adaptive header, light-meter, film stage, toned beats. */

/* ---------- fixed header over the film ---------- */
.site-head{
  position:fixed;inset:0 0 auto 0;z-index:40;
  color:var(--text-light);
  transition:color .35s var(--ease-out);
}
.site-head.on-light{color:var(--text-dark)}
.site-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to bottom,rgba(32,38,59,.5),transparent);
  opacity:1;transition:opacity .35s;
}
.site-head.on-light::before{opacity:0}
.head-inner{
  max-width:1400px;margin-inline:auto;padding:1.1rem var(--gutter);
  display:flex;align-items:center;gap:2rem;position:relative;
}
.head-nav{display:flex;gap:1.35rem}
.head-nav a{
  font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;
  white-space:nowrap;opacity:.85;transition:opacity var(--dur-fast);
}
.head-nav a:hover,.head-nav a:focus-visible{opacity:1}
.head-cta{border:1px solid currentColor;border-radius:999px;padding:.6em 1.3em;
  font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;
  white-space:nowrap;
  transition:background var(--dur-fast),color var(--dur-fast),border-color var(--dur-fast)}
.head-cta:hover{background:var(--gold);border-color:var(--gold);color:#fff}

/* light-meter readout */
.gauge{
  display:flex;align-items:center;gap:.8rem;margin-left:auto;
}
.gauge .g-label{font-size:.6rem;letter-spacing:.3em;text-transform:uppercase;opacity:.7}
.gauge .g-depth{font-family:var(--font-display);font-style:italic;font-size:1rem;
  min-width:7.5ch;text-align:right}
.gauge .g-bar{position:relative;width:74px;height:2px;background:currentColor;opacity:.9}
.gauge .g-bar::before{content:"";position:absolute;inset:0;opacity:.25;background:currentColor}
.gauge .g-fill{position:absolute;inset:0 auto 0 0;width:0%;background:var(--gold-soft)}
.site-head.on-light .g-fill{background:var(--gold)}
.gauge .g-ch{font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;opacity:.75;
  min-width:10ch;white-space:nowrap}
@media (max-width:1180px){.gauge .g-ch{display:none}}
@media (max-width:980px){.head-nav{display:none}}
@media (max-width:640px){.gauge .g-bar{display:none}.head-inner{gap:1rem}}

/* ---------- the film ---------- */
.film-driver{position:relative;height:850vh;background:var(--indigo)}
.film-stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
.film-stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.film-poster{position:absolute;inset:0;background:center/cover no-repeat}

.film-vignette{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 50% 42%,transparent 58%,rgba(20,24,20,.42) 100%);
  opacity:var(--filmfade,1)}
.film-grain{position:absolute;inset:-60px;pointer-events:none;opacity:calc(var(--filmfade,1)*.24);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  animation:grain 7s steps(9) infinite}
@keyframes grain{
  0%,100%{transform:translate(0,0)}20%{transform:translate(-18px,12px)}
  40%{transform:translate(14px,-20px)}60%{transform:translate(-10px,-14px)}80%{transform:translate(16px,18px)}
}
.film-seamfade{position:absolute;inset:auto 0 0 0;height:34vh;pointer-events:none;opacity:0;
  background:linear-gradient(to bottom,transparent,var(--seam,#232637))}
.film-ambient{position:absolute;inset:0;pointer-events:none}

/* ---------- beats: tone + anchor ---------- */
.beat{
  position:absolute;inset:0;display:grid;place-items:center;text-align:center;
  padding:0 var(--gutter);opacity:0;pointer-events:none;
}
.beat-inner{max-width:46rem}
.beat .kicker{letter-spacing:.3em}
.beat h2,.beat h1{
  font-family:var(--font-display);font-weight:500;line-height:1.1;
  font-size:clamp(2rem,1.3rem + 3.6vw,4.6rem);
  margin-top:1rem;text-wrap:balance;
}
.beat p{margin-top:1.1rem;font-size:1.05rem}
.beat .beat-ctas{margin-top:2rem;display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;
  pointer-events:none}
.beat.live{pointer-events:auto}
.beat.live .beat-ctas{pointer-events:auto}

/* tones */
.beat.tone-light{color:var(--text-light)}
.beat.tone-light .kicker{color:var(--gold-soft);
  text-shadow:0 1px 3px rgba(20,24,32,.85),0 1px 26px rgba(20,24,32,.7)}
.beat.tone-light :is(h1,h2){text-shadow:0 2px 38px rgba(20,24,32,.75)}
.beat.tone-light p{color:rgba(243,239,230,.85);text-shadow:0 1px 18px rgba(20,24,32,.8)}
.beat.tone-dark{color:var(--text-dark)}
.beat.tone-dark .kicker{color:#8a6a33;text-shadow:0 1px 18px rgba(247,242,233,.6)}
.beat.tone-dark :is(h1,h2){text-shadow:0 1px 30px rgba(247,242,233,.65)}
.beat.tone-dark p{color:rgba(38,41,31,.78);text-shadow:0 1px 14px rgba(247,242,233,.7)}

/* anchors */
.beat.anchor-left{place-items:center start;text-align:left}
.beat.anchor-left .beat-inner{max-width:32rem;margin-left:clamp(0rem,6vw,6rem)}
.beat.anchor-left .beat-ctas{justify-content:flex-start}
.beat.anchor-right{place-items:center end;text-align:right}
.beat.anchor-right .beat-inner{max-width:32rem;margin-right:clamp(0rem,6vw,6rem)}
.beat.anchor-right .beat-ctas{justify-content:flex-end}

.beat[data-id="hero"] h1{font-size:var(--text-hero);letter-spacing:.01em}
.beat[data-id="hero"] .scroll-cue{
  margin-top:3rem;display:inline-flex;flex-direction:column;align-items:center;gap:.6rem;
  font-size:.66rem;letter-spacing:.34em;text-transform:uppercase;color:rgba(243,239,230,.75);
}
.beat[data-id="hero"] .scroll-cue::after{
  content:"";width:1px;height:44px;
  background:linear-gradient(to bottom,var(--gold-soft),transparent);
  animation:cue 2.4s var(--ease-out) infinite;
}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}
  55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- loader ---------- */
.film-loader{
  position:fixed;inset:0;z-index:60;display:grid;place-items:center;
  background:var(--indigo);color:var(--text-light);pointer-events:none;
  transition:opacity .7s var(--ease-out),visibility .7s;
}
.film-loader.done{opacity:0;visibility:hidden}
.loader-inner{display:grid;justify-items:center;gap:1.3rem;text-align:center}
.loader-inner .wm-big{font-family:var(--font-display);font-size:1.7rem;letter-spacing:.4em}
.loader-bar{width:min(320px,60vw);height:1px;background:var(--hairline-dark);position:relative;overflow:hidden}
.loader-bar i{position:absolute;inset:0 auto 0 0;width:0%;background:var(--gold-soft);transition:width .25s}
.loader-pct{font-size:.66rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted-on-dark)}

/* static mode (reduced motion or no frames): film collapses to a still hero */
body.film-static .film-driver{height:100vh;height:100svh}
body.film-static .beat{display:none}
body.film-static .beat[data-id="hero"]{display:grid;opacity:1}
body.film-static .film-grain{animation:none}

@media (prefers-reduced-motion:reduce){
  .beat[data-id="hero"] .scroll-cue::after{animation:none}
  .film-grain{animation:none}
}