/* RewindEarth — Archival Cinema design system */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600&display=swap');

:root{
  --toc-line:rgba(242,237,228,.16);--toc-dim:rgba(242,237,228,.52);--toc-hot:#D9A441;
  --ink:#0F0D0A;
  --ink-2:#17140F;
  --ink-3:#211D16;
  --line:rgba(242,237,228,.12);
  --line-2:rgba(242,237,228,.22);
  --paper:#F2EDE4;
  --paper-dim:rgba(242,237,228,.62);
  --paper-faint:rgba(242,237,228,.40);
  --amber:#D9A441;
  --amber-soft:rgba(217,164,65,.16);
  --sepia:#B08A5A;
  --ok:#7FA779;
  --serif:'Fraunces',ui-serif,Georgia,serif;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --r:14px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.75);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--ink);color:var(--paper);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{
  content:'';position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}
img{max-width:100%;display:block}
a{color:var(--amber);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
::selection{background:var(--amber);color:var(--ink)}

h1,h2,h3,h4{font-family:var(--serif);font-weight:400;letter-spacing:-.015em;line-height:1.14;margin:0}
.mono-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- shell ---------- */
.wrap{width:min(1140px,92vw);margin-inline:auto}
header.site{
  position:sticky;top:0;z-index:80;
  background:rgba(15,13,10,.82);backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid var(--line);
}
.site-in{display:flex;align-items:center;gap:28px;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:19px;letter-spacing:-.02em;color:var(--paper)}
.brand:hover{text-decoration:none}
.brand svg{flex:none}
.brand b{font-weight:600}
.brand span{color:var(--amber);font-weight:400}
nav.top{margin-left:auto;display:flex;gap:26px;align-items:center}
nav.top a{color:var(--paper-dim);font-size:14px;letter-spacing:.01em}
nav.top a:hover{color:var(--paper);text-decoration:none}
@media(max-width:720px){nav.top{display:none}}

footer.site{border-top:1px solid var(--line);margin-top:80px;padding:44px 0 60px;color:var(--paper-faint);font-size:13.5px}
footer.site .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px}
footer.site h5{font-family:var(--sans);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--paper-faint);margin:0 0 12px}
footer.site ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
footer.site a{color:var(--paper-dim)}
.legal{margin-top:34px;padding-top:22px;border-top:1px solid var(--line);line-height:1.7}
@media(max-width:760px){footer.site .cols{grid-template-columns:1fr;gap:26px}}

/* ---------- app: map stage ---------- */
#stage{position:relative;height:calc(100dvh - 62px);min-height:520px;background:var(--ink-2)}
#map{position:absolute;inset:0}
.grain-old{position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .5s var(--ease);z-index:2;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23g)' opacity='.5'/%3E%3C/svg%3E");
  mix-blend-mode:overlay}
.vignette{position:absolute;inset:0;pointer-events:none;z-index:3;
  background:
    linear-gradient(to bottom,rgba(15,13,10,.62) 0,rgba(15,13,10,.16) 130px,transparent 240px),
    radial-gradient(120% 90% at 50% 45%,transparent 45%,rgba(0,0,0,.42) 100%)}

/* search overlay */
.hero-search{
  position:absolute;z-index:20;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(660px,90vw);text-align:center;transition:opacity .45s var(--ease),transform .45s var(--ease)
}
.hero-search.hidden{opacity:0;transform:translate(-50%,-58%) scale(.97);pointer-events:none}
.hero-kicker{font-size:11.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--amber);margin-bottom:16px}
.hero-search h1{font-size:clamp(38px,6.4vw,62px);font-weight:300;margin-bottom:14px;
  font-variation-settings:'opsz' 100;text-shadow:0 6px 40px rgba(0,0,0,.6)}
.hero-search h1 em{font-style:italic;color:var(--amber)}
.hero-sub{color:var(--paper-dim);font-size:16px;margin:0 auto 28px;max-width:490px;text-shadow:0 2px 20px rgba(0,0,0,.7)}

.searchbar{display:flex;gap:0;background:rgba(23,20,15,.9);backdrop-filter:blur(20px);
  border:1px solid var(--line-2);border-radius:100px;padding:6px 6px 6px 22px;box-shadow:var(--shadow);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.searchbar:focus-within{border-color:rgba(217,164,65,.6);box-shadow:var(--shadow),0 0 0 4px var(--amber-soft)}
.searchbar input{flex:1;min-width:0;background:none;border:0;outline:0;color:var(--paper);
  font-family:var(--sans);font-size:15.5px;padding:12px 4px}
.searchbar input::placeholder{color:var(--paper-faint)}
.searchbar button{flex:none;background:var(--amber);color:var(--ink);border:0;border-radius:100px;
  padding:0 26px;height:44px;font-family:var(--sans);font-weight:600;font-size:14.5px;cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease)}
.searchbar button:hover{background:#EAB756;transform:translateY(-1px)}
.searchbar button:active{transform:translateY(0)}
.searchbar button:disabled{opacity:.5;cursor:default;transform:none}
.examples{margin-top:16px;display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.examples span{color:var(--paper-faint);font-size:12.5px;margin-right:2px}
.chip{background:rgba(242,237,228,.07);border:1px solid var(--line);color:var(--paper-dim);
  border-radius:100px;padding:5px 13px;font-size:12.5px;cursor:pointer;transition:.2s var(--ease)}
.chip:hover{background:var(--amber-soft);border-color:rgba(217,164,65,.45);color:var(--paper)}

/* year ticker */
.ticker{position:absolute;z-index:15;left:28px;top:26px;pointer-events:none;
  opacity:0;transform:translateY(-8px);transition:.5s var(--ease)}
.ticker.on{opacity:1;transform:none}
.ticker .yr{font-family:var(--serif);font-size:clamp(52px,7vw,84px);font-weight:300;line-height:.9;
  letter-spacing:.02em;font-variant-numeric:tabular-nums;text-shadow:0 4px 34px rgba(0,0,0,.85)}
.ticker .md{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--amber);margin-top:8px;
  text-shadow:0 2px 12px rgba(0,0,0,.9)}
.ticker .place{font-size:13px;color:var(--paper-dim);margin-top:6px;max-width:340px;
  text-shadow:0 2px 12px rgba(0,0,0,.9);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media(max-width:640px){.ticker{left:16px;top:16px}}

/* toolbar */
.tools{position:absolute;z-index:16;right:20px;top:22px;display:flex;flex-direction:column;gap:8px;
  opacity:0;transform:translateX(10px);transition:.5s var(--ease);pointer-events:none}
.tools.on{opacity:1;transform:none;pointer-events:auto}
.tbtn{width:auto;min-width:42px;height:42px;padding:0 14px;display:flex;align-items:center;gap:8px;justify-content:center;
  background:rgba(23,20,15,.86);backdrop-filter:blur(12px);border:1px solid var(--line-2);
  border-radius:11px;color:var(--paper-dim);cursor:pointer;font-family:var(--sans);font-size:13px;
  transition:.2s var(--ease)}
.tbtn:hover{color:var(--paper);border-color:rgba(217,164,65,.5);background:rgba(35,29,20,.92)}
.tbtn.active{background:var(--amber);color:var(--ink);border-color:var(--amber);font-weight:600}
.tbtn svg{flex:none}

/* film strip */
.strip{position:absolute;z-index:18;left:0;right:0;bottom:0;
  background:linear-gradient(to top,rgba(15,13,10,.97) 55%,rgba(15,13,10,0));
  padding:52px 20px 18px;transform:translateY(100%);transition:transform .55s var(--ease)}
.strip.on{transform:none}
.strip-head{display:flex;align-items:flex-end;gap:16px;margin-bottom:12px;padding:0 4px}
.strip-head .lbl{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--paper-faint)}
.strip-head .cnt{font-size:12.5px;color:var(--paper-dim);margin-left:auto;font-variant-numeric:tabular-nums}
.play{display:flex;align-items:center;gap:8px;background:none;border:1px solid var(--line-2);
  color:var(--paper);border-radius:100px;padding:6px 15px 6px 12px;font-family:var(--sans);font-size:13px;
  cursor:pointer;transition:.2s var(--ease)}
.play:hover{border-color:var(--amber);color:var(--amber)}
.play.playing{background:var(--amber);color:var(--ink);border-color:var(--amber);font-weight:600}

.frames{display:flex;gap:6px;overflow-x:auto;padding:10px 4px 14px;scroll-behavior:smooth;
  scrollbar-width:thin;scrollbar-color:var(--line-2) transparent}
.frames::-webkit-scrollbar{height:5px}
.frames::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:4px}
.frame{flex:none;width:92px;cursor:pointer;position:relative;background:none;border:0;padding:0;
  font-family:var(--sans);transition:.22s var(--ease)}
.frame .thumb{width:92px;height:64px;border-radius:6px;overflow:hidden;position:relative;
  background:var(--ink-3);border:1px solid var(--line);transition:.22s var(--ease)}
.frame .thumb img{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .4s var(--ease)}
.frame .thumb img.loaded{opacity:.95}
.frame .yl{margin-top:7px;font-size:11.5px;color:var(--paper-faint);font-variant-numeric:tabular-nums;
  letter-spacing:.02em;transition:.22s var(--ease)}
.frame:hover .thumb{border-color:var(--line-2);transform:translateY(-2px)}
.frame:hover .thumb img{opacity:1}
.frame:hover .yl{color:var(--paper-dim)}
.frame.sel .thumb{border-color:var(--amber);box-shadow:0 0 0 2px var(--amber-soft),0 8px 22px -8px rgba(217,164,65,.5)}
.frame.sel .thumb img{opacity:1}
.frame.sel .yl{color:var(--amber);font-weight:600}
.frame .tag{position:absolute;top:4px;left:4px;font-size:8.5px;letter-spacing:.1em;text-transform:uppercase;
  background:rgba(15,13,10,.82);color:var(--paper-dim);padding:2px 5px;border-radius:3px}
.frame.map-era .tag{background:rgba(176,138,90,.9);color:var(--ink)}
.sprockets{height:8px;display:flex;gap:6px;padding:0 4px;opacity:.28}
.sprockets i{flex:none;width:92px;height:5px;border-radius:2px;background:repeating-linear-gradient(90deg,var(--paper) 0 5px,transparent 5px 13px)}

/* compare */
.cmp-handle{position:absolute;z-index:14;top:0;bottom:0;width:2px;background:var(--amber);
  box-shadow:0 0 22px rgba(217,164,65,.7);cursor:ew-resize;display:none}
.cmp-handle.on{display:block}
.cmp-handle::after{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:46px;height:46px;border-radius:50%;border:2px solid var(--amber);background:rgba(15,13,10,.75);
  backdrop-filter:blur(8px)}
.cmp-handle::before{content:'⟷';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  color:var(--amber);font-size:17px;z-index:2}
.cmp-tag{position:absolute;z-index:19;bottom:172px;font-size:11px;letter-spacing:.13em;text-transform:uppercase;
  background:rgba(15,13,10,.88);backdrop-filter:blur(10px);border:1px solid var(--line-2);color:var(--paper);
  padding:6px 13px;border-radius:100px;display:none;font-variant-numeric:tabular-nums;white-space:nowrap}
.cmp-tag.on{display:block}
#cmpL{left:22px}#cmpR{right:22px}
@media(max-width:640px){.cmp-tag{bottom:196px;font-size:10px;padding:5px 10px}}

/* toast / status */
.toast{position:absolute;z-index:40;left:50%;bottom:auto;top:24px;transform:translate(-50%,-14px);
  background:rgba(23,20,15,.95);border:1px solid var(--line-2);border-radius:10px;padding:11px 18px;
  font-size:13.5px;color:var(--paper);box-shadow:var(--shadow);opacity:0;pointer-events:none;
  transition:.35s var(--ease);max-width:90vw;text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}
.toast.err{border-color:rgba(200,90,70,.6)}
.spin{display:inline-block;width:13px;height:13px;border:2px solid var(--line-2);border-top-color:var(--amber);
  border-radius:50%;animation:sp .7s linear infinite;vertical-align:-2px;margin-right:8px}
@keyframes sp{to{transform:rotate(360deg)}}

/* ---------- content pages ---------- */
.page{padding:70px 0 20px}
.page h1{font-size:clamp(32px,4.6vw,50px);font-weight:300;margin-bottom:18px;font-variation-settings:'opsz' 100}
.page h2{font-size:clamp(22px,2.7vw,29px);margin:52px 0 16px;font-weight:400}
.page h3{font-size:19px;margin:32px 0 10px;font-weight:600;font-family:var(--sans);letter-spacing:-.01em}
.page p,.page li{color:var(--paper-dim);font-size:16.5px;line-height:1.72}
.page ul,.page ol{padding-left:22px;display:grid;gap:9px;margin:16px 0}
.page strong{color:var(--paper);font-weight:600}
.lede{font-size:19px!important;color:var(--paper)!important;line-height:1.62;max-width:66ch}
.prose{max-width:70ch}
.crumb{font-size:12.5px;color:var(--paper-faint);margin-bottom:22px;letter-spacing:.02em}
.crumb a{color:var(--paper-faint)}
.note{background:var(--ink-2);border:1px solid var(--line);border-left:2px solid var(--amber);
  border-radius:0 10px 10px 0;padding:18px 22px;margin:26px 0}
.note p{margin:0;font-size:15.5px}
.note strong{color:var(--amber)}
table.tbl{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
table.tbl th{text-align:left;font-family:var(--sans);font-size:11px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--paper-faint);font-weight:500;padding:0 14px 10px 0;border-bottom:1px solid var(--line-2)}
table.tbl td{padding:13px 14px 13px 0;border-bottom:1px solid var(--line);color:var(--paper-dim);vertical-align:top}
table.tbl td:first-child{color:var(--paper);white-space:nowrap}
.cta-box{background:linear-gradient(150deg,var(--ink-2),var(--ink-3));border:1px solid var(--line-2);
  border-radius:var(--r);padding:30px 32px;margin:44px 0;display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.cta-box div{flex:1;min-width:240px}
.cta-box h3{margin:0 0 6px;font-family:var(--serif);font-size:22px;font-weight:400;color:var(--paper)}
.cta-box p{margin:0;font-size:15px}
.btn{display:inline-block;background:var(--amber);color:var(--ink);border-radius:100px;padding:13px 26px;
  font-weight:600;font-size:14.5px;transition:.2s var(--ease);white-space:nowrap}
.btn:hover{background:#EAB756;text-decoration:none;transform:translateY(-1px)}
.btn.ghost{background:none;border:1px solid var(--line-2);color:var(--paper)}
.btn.ghost:hover{border-color:var(--amber);color:var(--amber);background:none}
.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(266px,1fr));gap:14px;margin:26px 0}
.card{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;
  transition:.24s var(--ease);display:block}
.card:hover{border-color:rgba(217,164,65,.42);background:var(--ink-3);text-decoration:none;transform:translateY(-2px)}
.card h4{font-family:var(--sans);font-size:15.5px;font-weight:600;color:var(--paper);margin-bottom:7px;letter-spacing:-.01em}
.card p{font-size:14px;color:var(--paper-faint);margin:0;line-height:1.55}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-size:16.5px;color:var(--paper);list-style:none;display:flex;gap:14px;align-items:flex-start}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:'+';color:var(--amber);font-size:20px;line-height:1.1;flex:none}
.faq details[open] summary::before{content:'−'}
.faq p{margin:12px 0 0 26px;font-size:15.5px}

/* ---------- TileView ---------- */
.tv-host{position:absolute;inset:0;overflow:hidden;background:var(--ink-2);
  cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none}
.tv-host.tv-grabbing{cursor:grabbing}
.tv-layer{position:absolute;inset:0;transition:opacity .42s var(--ease);will-change:opacity}
.tv-tile{position:absolute;top:0;left:0;width:257px;height:257px;
  opacity:0;transition:opacity .28s linear;pointer-events:none;image-rendering:auto}
.tv-tile.tv-in{opacity:1}
.attrib{position:absolute;z-index:12;right:0;bottom:0;font-size:9.5px;letter-spacing:.02em;
  color:var(--paper-faint);background:rgba(15,13,10,.62);padding:3px 8px;border-radius:5px 0 0 0;
  pointer-events:none;max-width:70vw}
.strip.on ~ .attrib,.strip.on + .attrib{display:none}
.zoombtns{position:absolute;z-index:16;right:20px;bottom:150px;display:flex;flex-direction:column;gap:6px;
  opacity:0;transition:.5s var(--ease);pointer-events:none}
.zoombtns.on{opacity:1;pointer-events:auto}
.zoombtns button{width:38px;height:38px;background:rgba(23,20,15,.86);backdrop-filter:blur(12px);
  border:1px solid var(--line-2);border-radius:10px;color:var(--paper-dim);cursor:pointer;
  font-size:18px;line-height:1;font-family:var(--sans);transition:.2s var(--ease)}
.zoombtns button:hover{color:var(--amber);border-color:rgba(217,164,65,.5)}
.frame .thumb img{filter:brightness(1.22) contrast(1.04) saturate(1.05)}


/* ---------- article layout with a sticky contents rail ---------- */
.page-grid{display:grid;grid-template-columns:minmax(0,72ch) 232px;gap:60px;
  align-items:start;justify-content:center}
.page-grid > .prose{min-width:0}
@media(max-width:1080px){
  .page-grid{grid-template-columns:minmax(0,72ch);justify-content:center}
  .toc{display:none}
}
.toc{position:sticky;top:96px;font-size:13.5px;line-height:1.5}
.toc-in{border-left:1px solid var(--toc-line);padding-left:18px}
.toc h5{margin:0 0 12px;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  font-weight:600;color:var(--toc-dim);font-family:inherit}
.toc ol{list-style:none;margin:0;padding:0;display:grid;gap:9px;counter-reset:toc}
.toc li{counter-increment:toc}
.toc a{color:var(--toc-dim);display:block;transition:color .18s ease}
.toc a::before{content:counter(toc) ".";margin-right:7px;opacity:.5;font-variant-numeric:tabular-nums}
.toc a:hover{color:var(--toc-hot);text-decoration:none}
.page h2{scroll-margin-top:88px}

/* ---------- loading feedback ---------- */
.scanbar{position:absolute;z-index:30;left:0;right:0;top:0;height:2px;background:rgba(242,237,228,.08);
  opacity:0;transition:opacity .3s var(--ease)}
.scanbar.on{opacity:1}
.scanbar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--sepia),var(--amber));
  box-shadow:0 0 12px rgba(217,164,65,.7);transition:width .35s var(--ease)}
.busybadge{position:absolute;z-index:30;left:50%;bottom:190px;transform:translate(-50%,8px);
  background:rgba(23,20,15,.92);backdrop-filter:blur(12px);border:1px solid var(--line-2);
  border-radius:100px;padding:8px 16px;font-size:12.5px;color:var(--paper-dim);letter-spacing:.02em;
  opacity:0;pointer-events:none;transition:.3s var(--ease);white-space:nowrap}
body.busy .busybadge{opacity:1;transform:translate(-50%,0)}
@media(max-width:640px){.busybadge{bottom:214px;font-size:11.5px}}

/* ---------- depth + motion polish ---------- */
.frames{perspective:900px}
.frame{transition:transform .3s var(--ease)}
.frame .thumb{transition:transform .3s var(--ease),border-color .22s var(--ease),box-shadow .3s var(--ease);
  transform-style:preserve-3d}
.frame:hover .thumb{transform:translateY(-4px) rotateX(6deg) scale(1.06)}
.frame.sel .thumb{transform:translateY(-3px) scale(1.08);
  box-shadow:0 0 0 2px var(--amber-soft),0 14px 30px -10px rgba(217,164,65,.55)}
.frame.sel .yl{transform:translateY(1px)}
.tbtn,.play,.zoombtns button{will-change:transform}
.tbtn:active,.play:active,.zoombtns button:active{transform:scale(.96)}
.ticker .yr{transition:opacity .3s var(--ease),transform .35s var(--ease)}
body.busy .ticker .yr{opacity:.55}
.hero-search h1{animation:riseIn .8s var(--ease) both}
.hero-sub{animation:riseIn .8s var(--ease) .08s both}
.searchbar{animation:riseIn .8s var(--ease) .16s both}
.examples{animation:riseIn .8s var(--ease) .24s both}
@keyframes riseIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .frame:hover .thumb,.frame.sel .thumb{transform:none}
}

/* film-strip frames shimmer while their preview loads */
.frame .thumb::after{content:'';position:absolute;inset:0;border-radius:6px;pointer-events:none;
  background:linear-gradient(100deg,rgba(242,237,228,.03) 0%,rgba(242,237,228,.11) 50%,rgba(242,237,228,.03) 100%);
  background-size:240% 100%;animation:frameShim 1.5s linear infinite;transition:opacity .35s var(--ease)}
.frame.ready .thumb::after{opacity:0;animation:none}
@keyframes frameShim{to{background-position:-240% 0}}