/* ==========================================================================
   ANGEL SOURCING — cinematic landing film
   Self-contained. Nothing here touches the rest of the site.
   ========================================================================== */

.film{
  position:relative;
  height:100svh;
  min-height:520px;
  background:#07070A;
  overflow:hidden;
  isolation:isolate;
}
/* progressive fallback for browsers without svh */
@supports not (height:100svh){ .film{height:100vh} }

.film-stage{position:absolute;inset:0;z-index:0}

.film-stage video,
.film-still{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  object-position:center;
  will-change:transform,opacity;
}

/* static frame — shown when JS is off, video fails, or reduced motion is on */
.film-still{
  background:#07070A center/cover no-repeat;
  background-image:url("../img/12-flow.webp");
  opacity:0;
  transition:opacity .9s ease;
}
.film.is-still .film-still{opacity:1}
.film.is-still .film-stage video{opacity:0}

/* grain + vignette unify the frames and hide compression banding */
.film-grain{
  position:absolute;inset:-60px;z-index:1;pointer-events:none;opacity:.16;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  animation:grainShift 1.1s steps(4) infinite;
  mix-blend-mode:overlay;
}
@keyframes grainShift{
  0%{transform:translate(0,0)}    25%{transform:translate(-14px,9px)}
  50%{transform:translate(11px,-12px)} 75%{transform:translate(-8px,-7px)}
  100%{transform:translate(0,0)}
}
.film-vig{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background:
    radial-gradient(130% 100% at 50% 46%, transparent 54%, rgba(7,7,10,.38) 100%),
    linear-gradient(to bottom, rgba(7,7,10,.46) 0%, transparent 18%, transparent 66%, rgba(7,7,10,.72) 100%);
}

/* opening blackout — the page begins almost completely dark */
.film-black{
  position:absolute;inset:0;z-index:6;background:#07070A;pointer-events:none;
  opacity:1;transition:opacity 1.5s cubic-bezier(.4,0,.2,1);
}
.film.is-open .film-black{opacity:0}

/* ------------------------------- branding ------------------------------- */
.film-mark{
  position:absolute;z-index:7;left:0;right:0;top:clamp(74px,11vh,116px);
  display:flex;justify-content:center;pointer-events:none;
  opacity:0;transform:translateY(10px);
  transition:opacity 1.6s ease,transform 1.6s cubic-bezier(.2,.7,.2,1);
}
.film.is-mark .film-mark{opacity:1;transform:none}
.film-mark svg{width:clamp(26px,3vw,34px);height:auto;color:rgba(255,255,255,.92);flex:none}
.film-mark .wm{
  margin-left:13px;font-family:var(--display);font-weight:700;
  font-size:clamp(11px,1.15vw,13px);letter-spacing:.34em;text-transform:uppercase;
  color:rgba(255,255,255,.9);align-self:center;padding-top:2px
}
/* the mark recedes once the closing title arrives */
.film.is-end .film-mark{opacity:.0;transform:translateY(-8px);transition-duration:1s}

/* ------------------------------ end title ------------------------------- */
.film-end{
  position:absolute;z-index:7;inset:auto 0 clamp(96px,17vh,190px) 0;
  text-align:center;pointer-events:none;padding:0 24px;
}
.film-end h1{
  font-family:var(--display);font-weight:700;
  font-size:clamp(30px,5.6vw,74px);letter-spacing:.16em;line-height:1;
  color:#fff;margin:0;text-transform:uppercase;
}
.film-end p{
  font-family:var(--mono);font-size:clamp(10px,1.05vw,12.5px);
  letter-spacing:.42em;text-transform:uppercase;color:rgba(255,255,255,.62);
  margin:20px 0 0;
}
/* letters rise one by one — restrained, no bounce */
.film-end .ltr{
  display:inline-block;opacity:0;transform:translateY(.42em);
  transition:opacity 1.05s ease,transform 1.15s cubic-bezier(.16,.84,.24,1);
}
.film-end .wd{display:inline-block;white-space:nowrap}
.film-end .sp{display:inline-block;width:.34em}
.film-end p{opacity:0;transform:translateY(8px);
  transition:opacity 1.3s ease .55s,transform 1.4s cubic-bezier(.16,.84,.24,1) .55s}
.film.is-end .film-end .ltr{opacity:1;transform:none}
.film.is-end .film-end p{opacity:1;transform:none}

/* ------------------------------ scroll cue ------------------------------ */
.film-cue{
  position:absolute;z-index:7;left:0;right:0;bottom:clamp(22px,3.4vh,38px);
  display:flex;flex-direction:column;align-items:center;gap:10px;
  opacity:0;transition:opacity 1.2s ease;pointer-events:none;
}
.film.is-end .film-cue{opacity:1}
.film-cue span{
  font-family:var(--mono);font-size:9.5px;letter-spacing:.28em;
  text-transform:uppercase;color:rgba(255,255,255,.44)
}
.film-cue i{
  display:block;width:1px;height:34px;background:linear-gradient(rgba(255,255,255,.5),transparent);
  animation:cueFall 2.4s ease-in-out infinite
}
@keyframes cueFall{0%,100%{transform:scaleY(.4);opacity:.3}50%{transform:scaleY(1);opacity:.85}}
.film-cue i{transform-origin:top}

/* ---------------------- header while the film plays ---------------------- */
body.film-page .util-bar{
  transition:opacity .5s ease,transform .5s ease;
}
body.film-page .site-head{
  position:fixed;top:0;left:0;right:0;
  background:transparent;backdrop-filter:none;border-bottom-color:transparent;
  transition:background .45s ease,border-color .45s ease,backdrop-filter .45s ease;
}
body.film-page.over-film .util-bar{opacity:0;transform:translateY(-100%);pointer-events:none}
body.film-page.over-film .site-head .brand,
body.film-page.over-film .site-head .nav,
body.film-page.over-film .site-head .head-actions{opacity:0;pointer-events:none;transition:opacity .5s ease}
body.film-page.over-film .site-head{border-bottom-color:transparent}

body.film-page:not(.over-film) .site-head{
  position:sticky;background:rgba(239,239,237,.97);
  backdrop-filter:saturate(160%) blur(12px);border-bottom-color:var(--rule);
}
body.film-page .site-head .brand,
body.film-page .site-head .nav,
body.film-page .site-head .head-actions{transition:opacity .5s ease .1s}

/* ------------------ the band the film hands off to ---------------------- */
.film-handoff{
  position:relative;z-index:3;background:var(--paper);
  border-bottom:1px solid var(--rule);
}
.film-handoff .wrap{padding-top:clamp(38px,5.5vw,66px);padding-bottom:clamp(38px,5.5vw,66px)}
.film-handoff .search-console{
  margin-top:26px;max-width:980px;background:var(--white);
  border:1px solid var(--rule);box-shadow:var(--shadow)
}

/* ------------------------------- mobile --------------------------------- */
@media(max-width:820px){
  .film{height:100svh;min-height:480px}
  .film-mark{top:clamp(64px,9vh,92px)}
  .film-end{bottom:clamp(84px,15vh,140px)}
  .film-end h1{font-size:clamp(24px,7.2vw,34px);letter-spacing:.09em}
  .film-end p{letter-spacing:.3em}
  .film-vig{
    background:
      radial-gradient(145% 86% at 50% 44%, transparent 50%, rgba(7,7,10,.40) 100%),
      linear-gradient(to bottom, rgba(7,7,10,.50) 0%, transparent 16%, transparent 60%, rgba(7,7,10,.78) 100%);
  }
}
@media(max-width:420px){
  .film-end h1{font-size:clamp(21px,6.6vw,29px);letter-spacing:.08em}
  .film-end p{font-size:9px;letter-spacing:.24em;margin-top:15px}
}

/* --------------------------- reduced motion ----------------------------- */
@media(prefers-reduced-motion:reduce){
  .film-grain{animation:none;opacity:.1}
  .film-cue i{animation:none;transform:scaleY(1);opacity:.6}
  .film-black{transition-duration:.4s}
  .film-mark,.film-end .ltr,.film-end p,.film-cue{transition-duration:.4s !important}
}