/* mormoon — Stroom: an endless, Reels-style scripture reader. Immersive,
   one verse per screen, cinematic transitions. Self-contained (app.css not loaded here). */
:root{
  --ink:#0b0a07; --light:#f1e8d6; --light-soft:#cdc2ad; --muted:#8a8069;
  --gold:#e4b65c; --gold-deep:#b88634; --gold-glow:rgba(228,182,92,.35); --line:rgba(228,182,92,.16);
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
.feed-body{height:100dvh;overflow:hidden;background:var(--ink);color:var(--light);
  font-family:'Newsreader',Georgia,serif;-webkit-font-smoothing:antialiased;position:relative;
  overscroll-behavior:none}
a{color:inherit;text-decoration:none}

.atmosphere{position:fixed;inset:0;z-index:0;pointer-events:none;transition:background 1.2s ease;
  background:radial-gradient(120% 80% at 50% -8%,rgba(228,182,92,.12),transparent 56%),
  radial-gradient(90% 60% at 50% 112%,rgba(184,134,52,.07),transparent 60%),
  linear-gradient(180deg,#100d09,var(--ink) 42%)}
.embers{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.85}

/* top bar */
.feed-top{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(16px,5vw,40px);background:linear-gradient(180deg,rgba(11,10,7,.7),transparent);
  transition:opacity .6s; }
.feed-home{font-family:'Fraunces',serif;font-weight:600;font-size:17px;letter-spacing:.04em;display:flex;align-items:center;gap:10px}
.feed-home .mark{width:8px;height:8px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fbe6ad,var(--gold) 45%,var(--gold-deep));box-shadow:0 0 12px var(--gold-glow);animation:pulse 4s var(--ease) infinite}
.feed-langs{display:flex;gap:2px;padding:3px;border-radius:999px;background:rgba(20,17,12,.5);border:1px solid var(--line)}
.feed-langs a{font-family:'Fraunces',serif;font-size:10.5px;letter-spacing:.12em;color:var(--muted);padding:5px 9px;border-radius:999px}
.feed-langs a.on{color:var(--ink);background:linear-gradient(180deg,#f6dd9f,var(--gold))}
@keyframes pulse{0%,100%{opacity:.6;transform:scale(.96)}50%{opacity:1;transform:scale(1.05)}}

/* stage */
.feed{position:fixed;inset:0;z-index:5;outline:none}
.slide{position:absolute;inset:0;display:flex;text-align:center;
  overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;scrollbar-width:none;
  padding:max(88px,11vh) clamp(24px,7vw,80px) max(104px,14vh);
  opacity:0;transform:translateY(64px);filter:blur(9px);
  transition:opacity .6s var(--ease),transform .68s var(--ease),filter .6s var(--ease)}
.slide::-webkit-scrollbar{display:none}
.slide.active{opacity:1;transform:none;filter:none}
.slide.above{transform:translateY(-64px)}
.slide.exit-up{opacity:0;transform:translateY(-72px);filter:blur(9px)}
.slide.exit-down{opacity:0;transform:translateY(72px);filter:blur(9px)}

.slide-inner{margin:auto;width:100%;max-width:24ch;display:flex;flex-direction:column;align-items:center;gap:26px}
.s-kicker{font-family:'Fraunces',serif;font-size:12px;letter-spacing:.34em;text-transform:uppercase;color:var(--gold);
  opacity:0;animation:fadeUp .8s var(--ease) .15s forwards}
.s-text{font-size:clamp(25px,4.6vw,46px);line-height:1.34;font-weight:330;letter-spacing:.004em;
  color:var(--light);text-shadow:0 2px 40px rgba(0,0,0,.5);
  opacity:0;animation:fadeUp .9s var(--ease) .26s forwards}
.s-text .lead{font-family:'Fraunces',serif;color:var(--gold);font-weight:400;font-style:italic}
.s-text.long{font-size:clamp(20px,3.2vw,33px);line-height:1.5;max-width:30ch}
.s-text.xlong{font-size:clamp(18px,2.6vw,27px);line-height:1.55}

/* book-opener slide */
.slide.opener .s-emblem{width:clamp(150px,26vw,230px);height:auto;
  filter:drop-shadow(0 10px 40px rgba(228,182,92,.3));
  opacity:0;animation:fadeUp 1s var(--ease) .1s forwards, float 7s ease-in-out 1s infinite}
.slide.opener .s-book{font-family:'Fraunces',serif;font-weight:330;font-size:clamp(46px,11vw,104px);line-height:.95;
  background:linear-gradient(110deg,#fff4dd,var(--light) 40%,#f3d9a0);-webkit-background-clip:text;background-clip:text;color:transparent;
  opacity:0;animation:fadeUp 1s var(--ease) .3s forwards}
.slide.opener .s-sub{font-style:italic;color:var(--light-soft);opacity:0;animation:fadeUp 1s var(--ease) .45s forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* reference + progress + hint */
.feed-ref{position:fixed;left:0;right:0;bottom:max(26px,5vh);z-index:15;text-align:center;
  font-family:'Fraunces',serif;font-size:12px;letter-spacing:.26em;text-transform:uppercase;color:var(--muted);
  pointer-events:none;transition:opacity .4s}
.feed-rail{position:fixed;right:14px;top:24vh;bottom:24vh;width:2px;z-index:15;border-radius:2px;background:var(--line);overflow:hidden}
.feed-rail span{position:absolute;left:0;top:0;width:100%;height:0;background:linear-gradient(180deg,var(--gold),var(--gold-deep));
  box-shadow:0 0 10px var(--gold-glow);transition:height .5s var(--ease)}
.feed-hint{position:fixed;left:0;right:0;bottom:max(58px,9vh);z-index:15;text-align:center;color:var(--muted);
  font-size:13px;letter-spacing:.08em;animation:hintpulse 2.4s ease-in-out infinite;transition:opacity .6s}
.feed-hint.gone{opacity:0;pointer-events:none}
@keyframes hintpulse{0%,100%{opacity:.4;transform:translateY(0)}50%{opacity:.85;transform:translateY(-4px)}}

@media (prefers-reduced-motion:reduce){
  .slide,.s-text,.s-kicker,.slide.opener *{transition:none!important;animation:none!important}
  .embers{display:none}
}

/* tap-for-context chip + gloss */
.s-context{margin-top:4px;font-family:'Fraunces',serif;font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--gold);background:none;border:1px solid var(--line);border-radius:999px;padding:8px 16px;cursor:pointer;
  transition:background .3s,border-color .3s;opacity:0;animation:fadeUp .9s var(--ease) .5s forwards}
.s-context:hover{background:rgba(228,182,92,.08);border-color:var(--gold-deep)}
.s-gloss{max-height:0;overflow:hidden;opacity:0;color:var(--light-soft);font-size:15px;line-height:1.6;font-style:italic;
  max-width:30ch;transition:max-height .5s var(--ease),opacity .4s,margin .4s}
.s-gloss.open{max-height:30rem;opacity:1;margin-top:6px}