/* =========================================================
   PHASE 6 — CINEMATIC DESIGN CONTROL
   Precision pass: darker light, heavier slabs, calmer motion.
   ========================================================= */

:root{
  --alive-ease:cubic-bezier(.16,1,.3,1);
}

/* Intentional archive spotlight — replaces duplicate glow noise */
body.archive-mode::after{
  content:'';
  position:fixed;
  inset:0;
  z-index:34;
  pointer-events:none;
  background:
    radial-gradient(circle at var(--mx,50%) var(--my,50%),
      rgba(244,228,184,.16) 0%,
      rgba(244,228,184,.055) 13%,
      rgba(0,0,0,.22) 34%,
      rgba(0,0,0,.78) 78%,
      rgba(0,0,0,.92) 100%
    );
  mix-blend-mode:multiply;
  opacity:.64;
}

/* Camera is present, but never distracting */
.scene-video.active{
  animation:cinemaCameraDrift 18s ease-in-out infinite;
}

body.archive-mode .scene-video.active{
  animation:cinemaCameraDrift 18s ease-in-out infinite, archiveLightBreath 10s ease-in-out infinite;
}

@keyframes cinemaCameraDrift{
  0%,100%{transform:scale(1.04) translate3d(var(--driftX,0),var(--driftY,0),0)}
  50%{transform:scale(1.058) translate3d(var(--driftX,0),var(--driftY,0),0)}
}

@keyframes archiveLightBreath{
  0%,100%{filter:brightness(.76) contrast(1.12) saturate(.98)}
  50%{filter:brightness(.84) contrast(1.10) saturate(1.04)}
}

/* Archive layer responds gently to cursor drift */
body.archive-mode .slab-layer{
  transform:
    translate3d(var(--sx,0),var(--sy,0),0)
    rotateX(calc(var(--sy,0px) * -.018))
    rotateY(calc(var(--sx,0px) * .018));
  transform-style:preserve-3d;
  will-change:transform,opacity;
}

/* Artifact material: heavier stone/brass, less UI-card feeling */
body.archive-mode .artifact-slab{
  overflow:hidden;
  border-radius:2px;
  transform-style:preserve-3d;
  will-change:transform,filter,box-shadow,opacity;
  background:
    linear-gradient(145deg,rgba(255,226,154,.13),rgba(30,21,9,.30) 32%,rgba(5,4,3,.76) 100%),
    radial-gradient(circle at 23% 14%,rgba(244,228,184,.15),transparent 25%),
    linear-gradient(180deg,rgba(37,29,16,.58),rgba(5,4,3,.46));
  box-shadow:
    inset 0 1px 0 rgba(255,244,210,.16),
    inset 0 -22px 42px rgba(0,0,0,.54),
    inset 14px 0 34px rgba(255,210,120,.026),
    0 0 54px rgba(201,169,97,.055),
    0 58px 165px rgba(0,0,0,.62);
}

body.archive-mode .artifact-slab::before{
  content:'';
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(90deg,rgba(255,236,190,.16),transparent 15%,transparent 80%,rgba(0,0,0,.50)),
    linear-gradient(180deg,rgba(255,236,190,.12),transparent 17%,transparent 82%,rgba(0,0,0,.56));
  mix-blend-mode:screen;
  opacity:.42;
}

body.archive-mode .artifact-slab::after{
  content:'';
  position:absolute;
  left:4px;
  right:4px;
  bottom:-22px;
  height:48px;
  pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(0,0,0,.86),transparent 72%);
  filter:blur(12px);
  opacity:.86;
}

body.archive-mode .artifact-slab b,
body.archive-mode .artifact-slab strong,
body.archive-mode .artifact-slab small{
  position:relative;
  z-index:2;
  text-shadow:0 16px 42px rgba(0,0,0,.86);
}

body.archive-mode .artifact-slab b{color:#ffe39d}
body.archive-mode .artifact-slab strong{color:#f3e8d1}
body.archive-mode .artifact-slab small{color:#a98d50}

/* Living motion: slower, heavier, sacred-object weight */
body.archive-mode .slab-0{animation:aliveFloat0 10.8s ease-in-out infinite}
body.archive-mode .slab-1{animation:aliveFloat1 12.2s ease-in-out infinite -1.1s}
body.archive-mode .slab-2{animation:aliveFloat2 11.4s ease-in-out infinite -2.2s}
body.archive-mode .slab-3{animation:aliveFloat3 12.8s ease-in-out infinite -3.3s}
body.archive-mode .slab-4{animation:aliveFloat4 13.2s ease-in-out infinite -4.4s}
body.archive-mode .slab-5{animation:aliveFloat5 14.4s ease-in-out infinite -5.5s}

@keyframes aliveFloat0{
  0%,100%{transform:translate3d(0,0,90px) rotateY(-8deg);filter:brightness(.92) saturate(.94)}
  50%{transform:translate3d(0,-8px,104px) rotateY(-6deg);filter:brightness(1.03) saturate(1.02)}
}
@keyframes aliveFloat1{
  0%,100%{transform:translate3d(0,0,-80px) rotateY(12deg);filter:brightness(.90) saturate(.94)}
  50%{transform:translate3d(0,7px,-66px) rotateY(10deg);filter:brightness(1.00) saturate(1.00)}
}
@keyframes aliveFloat2{
  0%,100%{transform:translate3d(0,0,-30px) rotateY(-15deg);filter:brightness(.91) saturate(.94)}
  50%{transform:translate3d(0,-6px,-16px) rotateY(-17deg);filter:brightness(1.02) saturate(1.01)}
}
@keyframes aliveFloat3{
  0%,100%{transform:translate3d(0,0,40px) rotateY(10deg);filter:brightness(.91) saturate(.94)}
  50%{transform:translate3d(0,9px,54px) rotateY(12deg);filter:brightness(1.03) saturate(1.02)}
}
@keyframes aliveFloat4{
  0%,100%{transform:translate3d(0,0,-130px) rotateY(3deg);filter:brightness(.88) saturate(.92)}
  50%{transform:translate3d(0,-5px,-118px) rotateY(1deg);filter:brightness(.98) saturate(.98)}
}
@keyframes aliveFloat5{
  0%,100%{transform:translate3d(0,0,-180px) rotateY(-4deg);filter:brightness(.87) saturate(.92)}
  50%{transform:translate3d(0,6px,-168px) rotateY(-6deg);filter:brightness(.97) saturate(.98)}
}

/* Cinematic focus: darker falloff, selected slab carries mass */
body.archive-mode .slab-layer:hover .artifact-slab{
  opacity:.34;
  filter:blur(2px) brightness(.62) saturate(.82);
}

body.archive-mode .slab-layer .artifact-slab:hover{
  opacity:1;
  filter:blur(0) brightness(1.10) saturate(1.04);
  border-color:rgba(255,233,178,.78);
  background:
    linear-gradient(145deg,rgba(255,226,154,.21),rgba(42,28,11,.46) 36%,rgba(7,5,3,.82) 100%),
    radial-gradient(circle at 28% 18%,rgba(255,240,198,.22),transparent 28%),
    linear-gradient(180deg,rgba(62,45,20,.72),rgba(8,6,3,.66));
  box-shadow:
    inset 0 1px 0 rgba(255,244,210,.28),
    inset 0 -26px 48px rgba(0,0,0,.58),
    0 0 150px rgba(244,228,184,.18),
    0 88px 230px rgba(0,0,0,.76);
}

/* Inspection stays stable and monumental */
body.archive-mode .slab-layer.inspecting .artifact-slab.active{
  animation:none;
  border-color:rgba(255,233,178,.78);
  box-shadow:
    inset 0 1px 0 rgba(255,244,210,.28),
    inset 0 -30px 58px rgba(0,0,0,.60),
    0 0 160px rgba(244,228,184,.18),
    0 92px 250px rgba(0,0,0,.82);
}

/* Deep-dive record overlay */
.deep-dive{
  position:fixed;
  inset:0;
  z-index:200;
  display:grid;
  place-items:center;
  padding:clamp(18px,5vw,48px);
  background:
    radial-gradient(circle at 50% 45%,rgba(201,169,97,.10),transparent 22rem),
    rgba(0,0,0,.92);
  opacity:0;
  pointer-events:none;
  transition:opacity .55s var(--alive-ease);
}
.deep-dive.open{opacity:1;pointer-events:auto}
.deep-card{
  width:min(720px,92vw);
  max-height:86vh;
  overflow:auto;
  border:1px solid rgba(244,228,184,.28);
  background:linear-gradient(145deg,rgba(35,28,16,.56),rgba(5,4,3,.82));
  box-shadow:0 0 120px rgba(201,169,97,.16),0 60px 220px rgba(0,0,0,.82);
  padding:clamp(24px,5vw,48px);
}
.deep-id,.deep-command{
  color:#c9a961;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.24em;
  text-transform:uppercase;
}
.deep-card h2{
  font-family:var(--serif);
  font-weight:300;
  font-size:clamp(42px,8vw,76px);
  line-height:.9;
  margin:14px 0 18px;
}
.deep-signal{color:#a98d50;margin-bottom:18px;font-size:13px;letter-spacing:.08em}
.deep-card p{color:#d7ccba;line-height:1.75;margin:0;font-size:clamp(15px,2.4vw,18px)}
.deep-command{margin-top:30px}
.deep-close{
  position:fixed;
  top:18px;
  right:18px;
  width:46px;
  height:46px;
  border:1px solid rgba(244,228,184,.28);
  background:rgba(0,0,0,.56);
  color:#f4e4b8;
  font-size:30px;
  line-height:1;
  cursor:pointer;
}

@media (prefers-reduced-motion:reduce){
  .scene-video.active,
  body.archive-mode .artifact-slab{
    animation:none!important;
  }
}

/* =========================================================
   MOBILE EXPERIENCE PATCH — archive must be tappable/readable
   ========================================================= */
@media(max-width:760px){
  html,body{height:100%;overflow:hidden;touch-action:manipulation}
  body{cursor:auto}
  .cursor{display:none!important}
  .scene-video.active{animation:none!important;transform:scale(1.02)!important}
  .scene-video{inset:0;width:100%;height:100%;filter:brightness(.72) contrast(1.08) saturate(.92)!important}

  .hud{padding:70px 18px 28px!important;align-items:end!important;pointer-events:none}
  .room-copy{width:100%!important;max-width:none!important}
  .room-copy h1{font-size:clamp(46px,15vw,74px)!important;line-height:.88!important}
  .room-copy p{width:100%!important;font-size:14px!important;line-height:1.58!important;margin-top:18px!important;max-height:30vh;overflow:auto;padding-right:4px}
  .room-actions{margin-top:18px!important;pointer-events:auto!important}
  .btn{min-height:48px;padding:14px 16px!important;cursor:pointer!important;background:rgba(8,7,6,.74)!important}
  .side-index{left:18px!important;bottom:18px!important;z-index:70!important}
  .room-note{display:none!important}

  body.archive-mode .hud{
    display:block!important;
    padding:18px 16px 0!important;
    z-index:60!important;
    pointer-events:none;
  }
  body.archive-mode .room-copy{
    width:100%!important;
    max-width:none!important;
    padding:14px 14px 12px!important;
    background:linear-gradient(135deg,rgba(8,7,5,.78),rgba(0,0,0,.48))!important;
    backdrop-filter:blur(10px);
  }
  body.archive-mode .room-copy h1{font-size:34px!important;line-height:.96!important;margin:0!important}
  body.archive-mode .room-copy p{font-size:12px!important;line-height:1.45!important;margin-top:10px!important;max-height:88px!important}
  body.archive-mode .room-actions{display:none!important}
  body.archive-mode .side-index{display:none!important}

  body.archive-mode .slab-layer{
    left:0!important;
    top:190px!important;
    right:0!important;
    bottom:0!important;
    width:100%!important;
    height:auto!important;
    z-index:72!important;
    transform:none!important;
    perspective:none!important;
    pointer-events:auto!important;
    overflow-y:auto!important;
    overflow-x:hidden!important;
    padding:12px 14px 90px!important;
    -webkit-overflow-scrolling:touch;
  }
  body.archive-mode .slab-layer.show{opacity:1!important}
  body.archive-mode .artifact-slab,
  body.archive-mode .slab-0,
  body.archive-mode .slab-1,
  body.archive-mode .slab-2,
  body.archive-mode .slab-3,
  body.archive-mode .slab-4,
  body.archive-mode .slab-5{
    position:relative!important;
    left:auto!important;
    top:auto!important;
    width:100%!important;
    min-height:112px!important;
    margin:0 0 12px!important;
    padding:16px!important;
    transform:none!important;
    animation:none!important;
    opacity:1!important;
    filter:none!important;
    pointer-events:auto!important;
    cursor:pointer!important;
    border-radius:4px!important;
    touch-action:manipulation;
  }
  body.archive-mode .artifact-slab strong{font-size:26px!important;margin:18px 0 8px!important}
  body.archive-mode .artifact-slab small{font-size:9px!important;line-height:1.4!important}
  body.archive-mode .slab-layer:hover .artifact-slab{opacity:1!important;filter:none!important;transform:none!important}
  body.archive-mode .slab-layer .artifact-slab:hover{transform:none!important;filter:none!important}
  body.archive-mode .slab-layer.inspecting .artifact-slab{opacity:1!important;filter:none!important;pointer-events:auto!important}
  body.archive-mode .slab-layer.inspecting .artifact-slab.active{width:100%!important;min-height:112px!important;transform:none!important}

  .deep-dive{padding:16px!important;place-items:end center!important;z-index:300!important}
  .deep-card{width:100%!important;max-height:78vh!important;padding:24px 20px 26px!important;border-radius:6px!important}
  .deep-card h2{font-size:42px!important;line-height:.92!important}
  .deep-card p{font-size:15px!important;line-height:1.62!important}
  .deep-close{top:12px!important;right:12px!important;width:48px!important;height:48px!important;z-index:310!important}
}