/* ── Tripo Saints · Journey Map Engine ──
   One continuous illustrated India. The world lives in a fixed viewport behind the
   page; scroll moves a virtual camera through stacked manuscript art. UI floats above
   as paper. No JS → the world hides and the page reads as a clean ivory document. */
*{margin:0;padding:0;box-sizing:border-box;}
:root{
  --j-paper:#F4ECDA; --j-paper-2:#FBF6E9; --j-ink:#33291E; --j-ink-dim:rgba(51,41,30,.74);
  --j-ink-faint:rgba(51,41,30,.5); --j-line:rgba(90,70,40,.2); --j-sepia:#7E4213;
  --j-accent:#A94F1E; --j-accent-2:#D96B35;
  --j-serif:'Fraunces',Georgia,serif;
  --j-ease:cubic-bezier(.22,.68,.32,1);
}
html{scroll-behavior:smooth;}
body{font-family:system-ui,-apple-system,'Segoe UI',sans-serif;background:var(--j-paper);
     color:var(--j-ink);line-height:1.65;overflow-x:hidden;font-size:17px;}
img{max-width:100%;display:block;}
a{color:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px var(--j-paper),0 0 0 6px var(--j-accent-2);border-radius:6px;}
.skip{position:absolute;left:-9999px;top:0;background:var(--j-ink);color:var(--j-paper);
      padding:8px 16px;z-index:300;border-radius:0 0 8px 0;font-weight:700;}
.skip:focus{left:0;}

/* ── paper grain over everything ── */
.jgrain{position:fixed;inset:0;z-index:60;pointer-events:none;opacity:.5;mix-blend-mode:multiply;
  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='.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 .45 0 0 0 0 .38 0 0 0 0 .28 0 0 0 .05 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");}

/* ── the illustrated world (fixed, behind the page) ── */
.jworld{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;
  background:linear-gradient(180deg,#F6EFDF 0%,var(--j-paper) 30%);}
.jw-strip{position:absolute;left:0;top:0;width:100%;height:100%;}
/* Each segment is a FIXED-HEIGHT box that always fills the width, so neighbouring
   segments overlap by a known amount at every viewport — that is what keeps the world
   continuous. Height must exceed the on-screen gap between chapters
   (chapter height x 0.55); the mask fades 10% at each end, so the solid band is 0.8x.
   segments and monuments are <picture> so phones get the small art deterministically */
.jw-seg{position:absolute;left:0;width:100%;height:120vh;display:block;
  -webkit-mask-image:linear-gradient(180deg,transparent 0,#000 10%,#000 90%,transparent 100%);
          mask-image:linear-gradient(180deg,transparent 0,#000 10%,#000 90%,transparent 100%);}
.jw-seg img{width:100%;height:100%;object-fit:cover;display:block;}
.jw-mon{position:absolute;display:block;}
.jw-mon img{height:100%;width:auto;display:block;}
.jw-flo{position:absolute;width:auto;}
/* art outside the viewport is not painted or composited (set by journey.js) */
.jw-strip .far{visibility:hidden;}
.jw-flo.sway{transform-origin:50% 98%;animation:jsway 8s ease-in-out infinite alternate;}
@keyframes jsway{from{transform:rotate(-.7deg);}to{transform:rotate(.9deg);}}

/* ambient sky life — fixed to the viewport, independent of the camera */
.jw-amb{position:absolute;inset:0;}
.jw-cloud{position:absolute;opacity:.75;animation:jdrift 90s ease-in-out infinite alternate;}
.jw-cloud.c2{animation-duration:120s;animation-delay:-40s;}
.jw-cloud.c3{animation-duration:75s;animation-delay:-20s;}
@keyframes jdrift{from{transform:translateX(-3vw);}to{transform:translateX(4vw);}}
.jw-bird{position:absolute;opacity:0;animation:jglide 64s linear infinite;}
.jw-bird.b2{animation-delay:-30s;animation-duration:80s;}
@keyframes jglide{
  0%{transform:translate(-8vw,30vh) scale(.7);opacity:0;}
  6%{opacity:.5;}
  48%{transform:translate(55vw,12vh) scale(.85);opacity:.5;}
  94%{opacity:.4;}
  100%{transform:translate(108vw,22vh) scale(.7);opacity:0;}}
.jw-leaf{position:absolute;top:-8vh;opacity:0;animation:jfall 26s linear infinite;}
.jw-leaf.l2{animation-delay:-9s;animation-duration:31s;}
.jw-leaf.l3{animation-delay:-18s;animation-duration:22s;}
@keyframes jfall{
  0%{transform:translate(0,0) rotate(0);opacity:0;}
  8%{opacity:.55;}
  50%{transform:translate(-6vw,55vh) rotate(160deg);}
  92%{opacity:.4;}
  100%{transform:translate(3vw,112vh) rotate(320deg);opacity:0;}}

/* ── floating header ── */
.jhd{position:fixed;top:0;left:0;right:0;z-index:100;
  background:linear-gradient(rgba(244,236,218,.94),rgba(244,236,218,0));}
.jhd-in{max-width:1280px;margin:0 auto;display:flex;align-items:center;gap:24px;padding:14px 24px;}
.jhd-logo img{height:40px;width:auto;display:block;}
.jhd-nav{margin-left:auto;display:flex;gap:26px;align-items:center;}
.jhd-nav a{color:var(--j-ink-dim);text-decoration:none;font-size:14.5px;font-weight:600;}
.jhd-nav a:hover{color:var(--j-ink);}
.jhd-cta{background:var(--j-accent-2);color:#fff !important;font-weight:700;
  padding:.55em 1.35em;border-radius:999px;}
.jhd-cta:hover{background:var(--j-accent);}

/* ── the page: chapters floating over the world ── */
.jmain{position:relative;z-index:10;}
.jchap{min-height:132vh;display:grid;place-items:center;padding:16vh 24px;position:relative;}
.jchap--hero{min-height:108vh;padding-top:26vh;}
.jchap--hero .jbeat{padding:56px 48px;border-radius:50%;
  background:radial-gradient(ellipse at center,rgba(244,236,218,.92) 34%,rgba(244,236,218,.55) 58%,rgba(244,236,218,0) 74%);}
.jbeat{max-width:600px;text-align:center;}
.jcard{background:rgba(251,246,233,.93);border:1px solid var(--j-line);border-radius:16px;
  padding:clamp(26px,4.5vw,46px) clamp(22px,4vw,52px);
  box-shadow:0 22px 48px rgba(70,48,14,.1),0 2px 8px rgba(70,48,14,.05);}
.jkicker{letter-spacing:.18em;text-transform:uppercase;font-size:11.5px;font-weight:700;
  color:var(--j-sepia);margin-bottom:14px;}
.jbeat h1,.jbeat h2{font-family:var(--j-serif);font-weight:600;line-height:1.12;
  font-size:clamp(30px,5vw,52px);margin-bottom:14px;letter-spacing:-.01em;}
.jchap--hero h1{font-size:clamp(36px,6.2vw,64px);}
.jbeat p{color:var(--j-ink-dim);font-size:clamp(16px,1.5vw,18.5px);max-width:52ch;margin:0 auto;}
.jcta-row{display:flex;gap:14px;justify-content:center;margin-top:26px;flex-wrap:wrap;}
.jbtn{display:inline-block;text-decoration:none;font-weight:700;border-radius:999px;
  padding:.85em 1.8em;font-size:15px;transition:transform .25s var(--j-ease),background .25s;}
.jbtn-primary{background:var(--j-accent-2);color:#fff;box-shadow:0 10px 24px rgba(217,107,53,.32);}
.jbtn-primary:hover{background:var(--j-accent);transform:translateY(-2px);}
.jbtn-ghost{border:1.5px solid var(--j-line);color:var(--j-ink);}
.jbtn-ghost:hover{border-color:var(--j-ink-faint);}
.jscroll-cue{margin-top:40px;color:var(--j-ink-faint);font-size:12px;letter-spacing:.22em;
  text-transform:uppercase;animation:jcue 2.6s ease-in-out infinite;}
@keyframes jcue{0%,100%{transform:translateY(0);opacity:.55;}50%{transform:translateY(7px);opacity:1;}}

/* monument discovery chip */
.jmon-chip{display:inline-flex;align-items:baseline;gap:10px;margin-top:30px;
  padding:8px 18px;border:1px solid var(--j-line);border-radius:999px;
  background:rgba(251,246,233,.85);font-size:13px;color:var(--j-ink-dim);}
.jmon-chip b{font-family:var(--j-serif);font-weight:600;color:var(--j-ink);font-size:14.5px;}
.jmon-chip span::before{content:'·';margin-right:10px;color:var(--j-ink-faint);}

/* reveals — gated on .jrun (set only by journey.js itself), so content can never
   be hidden unless the engine that reveals it is actually running */
.jrun .jbeat,.jrun .jmon-chip{opacity:0;transform:translateY(30px);
  transition:opacity 1s var(--j-ease),transform 1s var(--j-ease);}
.jrun .jbeat.on,.jrun .jmon-chip.on{opacity:1;transform:none;}
.jrun .jmon-chip{transition-delay:.25s;}

/* ending + footer */
.jcontinues{position:relative;z-index:10;text-align:center;color:var(--j-ink-faint);
  letter-spacing:.26em;text-transform:uppercase;font-size:12px;padding:16vh 24px 10vh;}
.jft{position:relative;z-index:10;border-top:1px solid var(--j-line);
  padding:34px 0 44px;font-size:14px;color:var(--j-ink-faint);
  background:linear-gradient(rgba(244,236,218,0),rgba(244,236,218,.9) 40%);}
.jft-in{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;gap:26px;flex-wrap:wrap;align-items:center;}
.jft a{text-decoration:none;}
.jft a:hover{color:var(--j-sepia);}
.jft .cr{margin-left:auto;}

/* ── engine not running (no JS, or journey.js failed to load): the world folds
   away and the manuscript still reads as a clean ivory document ── */
html:not(.jrun) .jworld,html:not(.jrun) .jgrain{display:none;}
html:not(.jrun) .jchap{min-height:0;padding:9vh 24px;}

/* ── responsive ── */
@media (min-width:901px){
  /* the soft shadow under monuments is a per-frame GPU filter — desktop only */
  .jw-mon{filter:drop-shadow(0 10px 18px rgba(70,50,20,.14));}
}
@media (max-width:900px){
  .jhd-nav a:not(.jhd-cta){display:none;}
  .jhd-logo img{height:34px;}
  .jchap{min-height:118vh;}
  /* phones: drop the blend-mode grain and the extra animated layers — each one
     costs a composite every frame and they are what makes scrolling stutter */
  .jgrain{mix-blend-mode:normal;opacity:.32;}
  .jw-bird,.jw-leaf{display:none;}
  .jw-flo.sway{animation:none;}
  /* chapters are 118vh here, so segments sit 64.9vh apart — 105vh box keeps an
     84vh solid band and ~19vh of overlap, leaving no bare paper between chapters */
  .jw-seg{height:105vh;}
}
@media (max-width:560px){
  .jcard{padding:24px 20px;}
  .jgrain{display:none;}
  .jw-cloud.c3{display:none;}
}

/* ── reduced motion: the journey becomes a still storybook ── */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .jrun .jbeat,.jrun .jmon-chip{opacity:1;transform:none;transition:none;}
  .jw-cloud,.jw-bird,.jw-leaf,.jw-flo.sway,.jscroll-cue{animation:none;}
  .jw-bird,.jw-leaf{display:none;}
}