/* ══════════════════════════════════════════════════════════════════════════
   ONLY HER ♡  ·  Private Photocard Collection
   70% premium k-pop photocard archive  +  30% soft kawaii stationery
   Photograph first. Everything else whispers.
   ══════════════════════════════════════════════════════════════════════════ */

/* ── self-hosted latin faces (woff2 subsets from @fontsource) ──────────── */
@font-face{font-family:'Cormorant Garamond';font-style:normal;font-weight:300;font-display:swap;
  src:url(assets/fonts/cormorant-garamond-latin-300-normal.woff2) format('woff2')}
@font-face{font-family:'Cormorant Garamond';font-style:normal;font-weight:400;font-display:swap;
  src:url(assets/fonts/cormorant-garamond-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Cormorant Garamond';font-style:normal;font-weight:500;font-display:swap;
  src:url(assets/fonts/cormorant-garamond-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'Cormorant Garamond';font-style:normal;font-weight:600;font-display:swap;
  src:url(assets/fonts/cormorant-garamond-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'M PLUS Rounded 1c';font-style:normal;font-weight:400;font-display:swap;
  src:url(assets/fonts/m-plus-rounded-1c-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'M PLUS Rounded 1c';font-style:normal;font-weight:500;font-display:swap;
  src:url(assets/fonts/m-plus-rounded-1c-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'M PLUS Rounded 1c';font-style:normal;font-weight:700;font-display:swap;
  src:url(assets/fonts/m-plus-rounded-1c-latin-700-normal.woff2) format('woff2')}

:root{
  /* milk white → strawberry → lavender → baby blue */
  --milk:#fffdfb;
  --milk-2:#fff8fb;
  --blush:#ffeef5;
  --blush-2:#ffdcea;
  --straw:#ff9ec2;
  --straw-deep:#ef6ea4;
  --straw-ink:#cf4d84;
  --lav:#f1ecff;
  --lav-2:#ded4fb;
  --lav-deep:#ab9ae4;
  --baby:#e9f3fc;
  --baby-2:#d2e7f8;
  --baby-deep:#9ac2e6;
  --gold:#dcbb7d;
  --gold-2:#c39f57;

  --ink:#4b3944;
  --ink-2:#7d6673;
  --ink-3:#ac98a4;
  --line:rgba(214,164,190,.30);
  --line-soft:rgba(214,164,190,.16);
  --plate-line:rgba(255,255,255,.9);

  --sh-soft:0 2px 8px rgba(126,74,104,.07);
  --sh-card:0 16px 34px -14px rgba(126,74,104,.30), 0 3px 10px rgba(126,74,104,.10);
  --sh-lift:0 44px 90px -34px rgba(126,74,104,.46), 0 10px 26px -12px rgba(126,74,104,.22);
  --sh-float:0 60px 120px -40px rgba(126,74,104,.52), 0 0 60px -18px rgba(255,158,194,.42);

  --r-card:15px;
  --r-ui:999px;
  --ease:cubic-bezier(.22,1,.36,1);
  --serif:'Cormorant Garamond',Georgia,'Songti SC',serif;
  --sans:'M PLUS Rounded 1c','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:clip}
/* while the intro is up nothing scrolls — and if the script never runs, this
   releases itself after 12s so the page can never be locked out */
html.is-intro{overflow:hidden;animation:introUnlock 0s linear 12s forwards}
@keyframes introUnlock{to{overflow:auto}}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--milk);
  min-height:100vh;
  min-height:100svh;
  overflow-x:hidden;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
img{display:block;max-width:100%}
:focus-visible{outline:2px solid var(--straw-deep);outline-offset:3px;border-radius:6px}

/* ══ intro / loading screen ═════════════════════════════════════════════ */
.intro{
  position:fixed;inset:0;z-index:999;display:grid;place-items:center;
  background:radial-gradient(120% 90% at 50% 0%,#fff 0%,var(--milk-2) 45%,var(--blush) 100%);
  transition:opacity .72s var(--ease),transform .72s var(--ease);
  /* safety net: never trap the visitor if the script fails to run */
  animation:introPanic 0s linear 12s forwards;
}
@keyframes introPanic{to{opacity:0;visibility:hidden}}
.intro.done{opacity:0;transform:scale(1.035);pointer-events:none}
.intro-inner{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;padding:0 24px}
.intro-duo{display:flex;align-items:flex-end;gap:clamp(6px,1.4vw,12px)}
.intro-duo img{
  width:clamp(72px,15vw,124px);height:auto;
  filter:drop-shadow(0 12px 24px rgba(126,74,104,.20));
}
.intro-duo img:first-child{animation:introBob 2.1s ease-in-out infinite}
.intro-duo img:last-child{animation:introBob 2.1s ease-in-out .38s infinite}
@keyframes introBob{
  0%,100%{transform:translateY(0) rotate(-2deg)}
  50%{transform:translateY(-8px) rotate(2deg)}
}
.intro-title{
  font-family:var(--serif);font-size:clamp(26px,4.6vw,42px);
  letter-spacing:.16em;color:var(--ink);margin-top:2px;
}
.intro-sub{
  font-size:clamp(10.5px,1.5vw,12.5px);font-weight:400;letter-spacing:.2em;
  color:var(--ink-2);margin-top:-2px;
}
.intro-bar{
  position:relative;display:block;width:clamp(120px,22vw,196px);height:2px;margin-top:4px;
  border-radius:2px;background:rgba(214,164,190,.25);overflow:hidden;
}
.intro-bar i{
  position:absolute;top:0;left:0;height:100%;width:42%;border-radius:2px;
  background:linear-gradient(90deg,var(--straw),var(--straw-deep));
  animation:introRun 1.25s var(--ease) infinite;
}
@keyframes introRun{0%{left:-46%}100%{left:104%}}

/* ══ stationery wash ═════════════════════════════════════════════════════ */
/* ambient pink bubbles — a canvas layer behind the content, above the wash */
#bg-bubbles{position:fixed;inset:0;z-index:0;pointer-events:none;display:block}

.wash{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;
  background:
    radial-gradient(120% 90% at 50% -10%, #fff 0%, var(--milk-2) 45%, var(--blush) 100%);
}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55}
.orb-blush{width:52vw;height:52vw;top:-16vw;left:-14vw;
  background:radial-gradient(circle,rgba(255,158,194,.42),transparent 68%)}
.orb-baby{width:46vw;height:46vw;bottom:-18vw;right:-12vw;
  background:radial-gradient(circle,rgba(154,194,230,.40),transparent 68%)}
.orb-lav{width:40vw;height:40vw;top:32%;right:6vw;
  background:radial-gradient(circle,rgba(171,154,228,.26),transparent 70%)}
/* the wash itself breathes, very slowly, so the page never looks like a still */
.orb-blush{animation:orbDrift 46s ease-in-out infinite}
.orb-baby{animation:orbDrift 58s ease-in-out -12s infinite reverse}
.orb-lav{animation:orbDrift 52s ease-in-out -26s infinite}
@keyframes orbDrift{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(2.6vw,1.8vh,0) scale(1.07)}
}
.wash-gingham{position:absolute;inset:0;opacity:.5;
  background-image:
    linear-gradient(rgba(255,158,194,.055) 50%,transparent 50%),
    linear-gradient(90deg,rgba(255,158,194,.055) 50%,transparent 50%);
  background-size:34px 34px;
  -webkit-mask-image:radial-gradient(90% 70% at 50% 40%,#000 20%,transparent 78%);
  mask-image:radial-gradient(90% 70% at 50% 40%,#000 20%,transparent 78%);
}
.wash-dots{position:absolute;inset:0;opacity:.5;
  background-image:radial-gradient(rgba(171,154,228,.16) 1px,transparent 1px);
  background-size:26px 26px;
  -webkit-mask-image:radial-gradient(80% 60% at 50% 55%,#000 10%,transparent 72%);
  mask-image:radial-gradient(80% 60% at 50% 55%,#000 10%,transparent 72%);
}

/* scalloped lace along the very top and bottom of the page */
.lace{position:fixed;left:0;right:0;height:19px;z-index:1;pointer-events:none;
  background-repeat:repeat-x;background-size:38px 19px;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='38' height='19' viewBox='0 0 38 19'><circle cx='19' cy='0' r='17.4' fill='%23fffdfb'/><circle cx='19' cy='7.4' r='1.7' fill='%23ffd3e4'/><circle cx='9' cy='3.4' r='1.05' fill='%23e2d8fb'/><circle cx='29' cy='3.4' r='1.05' fill='%23d5e8f9'/></svg>");
}
.lace-top{top:0;filter:drop-shadow(0 2px 3px rgba(126,74,104,.05))}
.lace-bottom{bottom:0;transform:scaleY(-1);filter:drop-shadow(0 -2px 3px rgba(126,74,104,.05))}

/* ══ kawaii details — confined to the page margins ══════════════════════ */
.deco{position:fixed;inset:0;z-index:2;pointer-events:none}
.deco>*{position:absolute;display:block}
.d-bow{width:58px;color:var(--straw);top:16vh;left:min(6vw,72px);transform:rotate(-12deg)}
.d-heart{width:26px;color:var(--straw-deep);bottom:22vh;left:min(8vw,96px);transform:rotate(9deg)}
.d-flower{width:38px;color:var(--lav-deep);top:14vh;right:min(7vw,84px);transform:rotate(14deg)}
.d-bunny{width:40px;color:var(--baby-deep);bottom:19vh;right:min(9vw,104px);transform:rotate(-8deg)}
.d-spark{color:var(--gold);opacity:.7}
.s1{width:17px;top:30vh;left:min(3.4vw,44px)}
.s2{width:12px;top:56vh;right:min(4vw,52px)}
.s3{width:14px;bottom:33vh;left:min(4.6vw,58px)}
.s4{width:10px;top:24vh;right:min(15vw,190px);opacity:.55}
.d-sticker{
  top:8vh;right:min(4vw,56px);
  font-size:9.5px;font-weight:700;letter-spacing:2.6px;
  color:#fff;background:linear-gradient(135deg,var(--straw),var(--straw-deep));
  padding:7px 13px;border-radius:var(--r-ui);transform:rotate(6deg);
  box-shadow:0 6px 16px -6px rgba(239,110,164,.6), inset 0 0 0 1.5px rgba(255,255,255,.5);
}
/* keep the margins clear of the art on smaller screens */
@media (max-width:1180px){.d-bow,.d-bunny,.s4{display:none}}
@media (max-width:900px){.deco{display:none}}

/* ══ masthead — minimal, centred, no nav bar ════════════════════════════ */
.masthead{position:relative;z-index:3;text-align:center;padding:clamp(34px,5.4vh,62px) 22px 0}
.kicker{display:flex;align-items:center;justify-content:center;gap:12px;
  font-size:9.5px;font-weight:500;letter-spacing:4.6px;color:var(--ink-3);text-transform:uppercase}
.kicker-rule{width:clamp(22px,5vw,54px);height:1px;
  background:linear-gradient(90deg,transparent,var(--line),transparent)}
.title{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(40px,7.4vw,84px);line-height:1.02;letter-spacing:.055em;
  margin-top:8px;color:var(--ink);
  text-shadow:0 2px 0 rgba(255,255,255,.85), 0 18px 40px rgba(126,74,104,.10);
  display:flex;align-items:center;justify-content:center;gap:.2em;
}
/* the little illustration sits at the same size as the lettering */
.title-logo{
  width:1.15em;height:1.15em;flex:0 0 auto;object-fit:contain;
  filter:drop-shadow(0 8px 16px rgba(126,74,104,.22));
  animation:logoBob 7s var(--ease) infinite;
}
@keyframes logoBob{
  0%,100%{transform:translateY(0) rotate(-1.5deg)}
  50%{transform:translateY(-4px) rotate(1.5deg)}
}
.title-heart{color:var(--straw);font-size:.62em;vertical-align:.16em;
  display:inline-block;text-shadow:0 0 22px rgba(255,158,194,.7);
  animation:beat 3.6s var(--ease) infinite}
@keyframes beat{0%,86%,100%{transform:scale(1)}90%{transform:scale(1.16)}94%{transform:scale(1.04)}}
.subtitle{margin-top:12px;font-size:11.5px;font-weight:400;letter-spacing:2.4px;color:var(--ink-2)}
.subtitle b{font-weight:700;color:var(--straw-ink)}

/* ══ era selector — a tiny horizontal row, never tabs ═══════════════════ */
.eras{position:relative;z-index:4;display:flex;justify-content:center;
  padding:clamp(12px,1.9vh,20px) 16px 0}
.eras-track{display:flex;gap:4px;align-items:center;
  padding:4px;border-radius:var(--r-ui);
  background:rgba(255,255,255,.62);
  box-shadow:inset 0 0 0 1px var(--line-soft), var(--sh-soft);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  max-width:min(94vw,760px);overflow-x:auto;scrollbar-width:none;
  scroll-snap-type:x proximity;
}
.eras-track::-webkit-scrollbar{display:none}
.era{
  flex:0 0 auto;scroll-snap-align:center;
  font-size:9.5px;font-weight:500;letter-spacing:2.2px;color:var(--ink-2);
  padding:7px 14px;border-radius:var(--r-ui);white-space:nowrap;
  transition:color .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease);
}
.era:hover{color:var(--straw-ink);background:rgba(255,238,245,.8)}
.era[aria-selected="true"]{
  color:#fff;background:linear-gradient(135deg,var(--straw),var(--straw-deep));
  box-shadow:0 6px 15px -6px rgba(239,110,164,.65);
}
.era .era-n{font-size:8.5px;opacity:.7;margin-left:5px;letter-spacing:1px}

/* ══ the showcase ═══════════════════════════════════════════════════════ */
.stage{
  position:relative;z-index:3;
  height:clamp(360px,58vh,620px);
  margin:clamp(8px,1.4vh,18px) auto 0;
  width:min(1600px,100%);
  /* The perspective now lives inside each card's own transform. Sharing one 3D
     context (transform-style: preserve-3d) made the browser sort the cards by
     3D depth instead of z-index, so a rotated neighbour could be painted ON TOP
     of the active card — the "ghost of the previous card" on mobile. */
  --persp:1240px;                  /* inside the requested 1000–1400px band */
  touch-action:pan-y;              /* vertical page scroll stays native */
  user-select:none;-webkit-user-select:none;
}
.deck{position:absolute;inset:0}
.deck-glow{
  position:absolute;left:50%;top:52%;z-index:0;pointer-events:none;
  width:min(58vw,620px);height:min(58vw,620px);transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(255,158,194,.40),rgba(222,212,251,.22) 46%,transparent 72%);
  filter:blur(40px);opacity:0;transition:opacity .8s var(--ease);
}
.stage.has-live .deck-glow{opacity:1}

/* ── a slot: poster or live canvas, absolutely placed by the engine ───── */
.pc-slot{
  position:absolute;left:50%;top:50%;
  width:var(--cw);height:var(--ch);
  will-change:transform,opacity;
  /* flattened card: z-index decides paint order, the transform supplies the 3D */
  transform:
    perspective(var(--persp,1240px))
    translate3d(calc(-50% + var(--x,0px)), calc(-50% + var(--y,0px)), 0)
    scale(var(--s,1)) rotateY(var(--ry,0deg));
  opacity:var(--o,1);
  z-index:var(--z,1);
  /* NO css transition here: the springs write these custom properties every
     frame, and a transition on top of that made every move feel laggy */
}
.pc-slot.is-out{pointer-events:none}

/* the printed-card body */
.pc-body{
  position:absolute;inset:0;border-radius:var(--r-card);overflow:hidden;
  background:#fdf7f9;
  box-shadow:var(--sh-card), 0 0 0 1px rgba(255,255,255,.7) inset;
  transform:translateZ(0);
}
.pc-poster{width:100%;height:100%;object-fit:cover;border-radius:var(--r-card)}
/* ── THE live layer: one deck-level element, one WebGL context, ever ─────
   It is not a child of a slot — it follows whichever slot is active, so the
   canvas is never reparented and never loses its context. Meanwhile every
   other position is only a static poster <img>.                          */
.pc-live{
  position:absolute;left:50%;top:50%;
  width:var(--cw);height:var(--ch);
  will-change:transform;
  /* --lx/--ly/--ls/--lry come from the deck (shared with the shadow);
     --lift/--lift-y are the pick-up-and-hold response written by the viewer */
  transform:
    perspective(var(--persp,1240px))
    translate3d(calc(-50% + var(--lx,0px)),
                calc(-50% + var(--ly,0px) + var(--lift-y,0px)), 0)
    scale(calc(var(--ls,1) * var(--lift,1))) rotateY(var(--lry,0deg));
  border-radius:var(--r-card);overflow:hidden;
  opacity:0;z-index:46;pointer-events:none;
  transition:opacity .44s var(--ease);
  /* 1–2px of pale rim under the card: thickness, not a game frame */
  box-shadow:
    var(--th-x,0px) var(--th-y,1.6px) 0 rgba(228,198,216,.6),
    0 12px 26px -14px rgba(80,45,70,.34);
}

/* the active card's contact shadow — transform-driven, so it stays on the GPU */
.pc-live-shadow{
  position:absolute;left:50%;top:50%;
  width:var(--cw);height:var(--ch);
  border-radius:calc(var(--r-card) + 8px);
  pointer-events:none;z-index:44;opacity:0;
  transform:
    perspective(var(--persp,1240px))
    translate3d(calc(-50% + var(--lx,0px) + var(--sh-x,0px)),
                calc(-50% + var(--ly,0px) + var(--sh-y,18px)), 0)
    scale(var(--ls,1)) rotateY(var(--lry,0deg));
  background:radial-gradient(58% 52% at 50% 60%,
    rgba(86,50,74,.36), rgba(86,50,74,.13) 55%, transparent 78%);
  filter:blur(calc(16px * var(--sh-b,1)));
  transition:opacity .5s var(--ease);
  will-change:transform,opacity;
}
.stage.has-live .pc-live-shadow{opacity:var(--sh-o,.9)}

/* ── the interactive finish: glare, edge light, border reflection, sparkles ──
   Sits above the canvas inside the live layer, so it inherits the card's
   transform. Everything moves by transform/opacity only.                    */
.pc-fx{position:absolute;inset:0;z-index:2;pointer-events:none;border-radius:inherit}

.fx-glare{
  position:absolute;left:-16%;top:-6%;width:132%;height:112%;border-radius:50%;
  background:radial-gradient(closest-side ellipse at 50% 50%,
    rgba(255,255,255,.34), rgba(255,247,252,.13) 34%, transparent 62%);
  mix-blend-mode:screen;
  transform:translate3d(var(--gx,0px), var(--gy,0px), 0);
  opacity:var(--ga,0);
  will-change:transform,opacity;
}

.fx-sheen{
  position:absolute;left:-52%;top:0;width:204%;height:100%;
  background:linear-gradient(103deg,transparent 39%,rgba(255,255,255,.24) 47%,
    rgba(255,216,238,.15) 52%,rgba(214,204,246,.12) 56%,transparent 64%);
  mix-blend-mode:screen;
  transform:translate3d(var(--sx,0px),0,0);
  opacity:var(--sa,0);
  will-change:transform,opacity;
}

.fx-edge{position:absolute;inset:0;border-radius:inherit}
.fx-edge i{position:absolute;display:block}
.fx-edge .h-l{left:0;top:0;bottom:0;width:20%;opacity:var(--e-l,0);
  background:linear-gradient(90deg,rgba(255,255,255,.42),transparent)}
.fx-edge .h-r{right:0;top:0;bottom:0;width:20%;opacity:var(--e-r,0);
  background:linear-gradient(270deg,rgba(255,255,255,.42),transparent)}
.fx-edge .h-t{left:0;right:0;top:0;height:13%;opacity:var(--e-t,0);
  background:linear-gradient(180deg,rgba(255,255,255,.36),transparent)}
.fx-edge .h-b{left:0;right:0;bottom:0;height:15%;opacity:var(--e-b,0);
  background:linear-gradient(0deg,rgba(255,240,250,.32),transparent)}
.fx-edge .d-l{left:0;top:0;bottom:0;width:26%;opacity:var(--d-l,0);
  background:linear-gradient(90deg,rgba(126,86,116,.22),transparent)}
.fx-edge .d-r{right:0;top:0;bottom:0;width:26%;opacity:var(--d-r,0);
  background:linear-gradient(270deg,rgba(126,86,116,.22),transparent)}

.fx-sparks{position:absolute;inset:0}
.fx-sparks i{
  position:absolute;left:var(--px,50%);top:var(--py,50%);
  width:4px;height:4px;opacity:0;border-radius:50%;
  transform:translate(-50%,-50%) scale(.4);
  background:radial-gradient(circle,rgba(255,255,255,.95),rgba(255,214,236,.5) 45%,transparent 72%);
  will-change:transform,opacity;
}
.fx-sparks i.on{animation:sparkPop .84s cubic-bezier(.22,1,.36,1) forwards}
@keyframes sparkPop{
  0%{opacity:0;transform:translate(-50%,-50%) scale(.25)}
  16%{opacity:1;transform:translate(-50%,-50%) scale(1)}
  100%{opacity:0;transform:translate(-50%,-50%) scale(.6)}
}
.fx-sparks i.star{background:none}
.fx-sparks i.star::before,.fx-sparks i.star::after{
  content:'';position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}
.fx-sparks i.star::before{width:100%;height:1.5px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.95),transparent)}
.fx-sparks i.star::after{width:1.5px;height:100%;
  background:linear-gradient(180deg,transparent,rgba(255,255,255,.95),transparent)}

.fx-arrive{
  position:absolute;left:-70%;top:0;width:240%;height:100%;
  background:linear-gradient(100deg,transparent 42%,rgba(255,255,255,.40) 50%,
    rgba(255,226,244,.22) 56%,transparent 64%);
  mix-blend-mode:screen;opacity:0;transform:translate3d(-30%,0,0);
}
.pc-live.arriving .fx-arrive{animation:arriveSweep .95s cubic-bezier(.3,.7,.2,1) forwards}
@keyframes arriveSweep{
  0%{opacity:0;transform:translate3d(-32%,0,0)}
  20%{opacity:.9}
  100%{opacity:0;transform:translate3d(32%,0,0)}
}
.pc-live.on{opacity:1;pointer-events:auto}
.pc-live.instant{transition:none}
.pc-live:focus{outline:none}
.pc-live canvas{position:relative;width:100%!important;height:100%!important;display:block;border-radius:var(--r-card)}
/* while the live layer covers the centre, mute the poster underneath */
.stage.has-live .pc-slot.is-active .pc-body{box-shadow:var(--sh-lift)}
.stage.has-live .pc-slot.is-active .pc-rim{opacity:0}
.pc-rim{transition:opacity .3s var(--ease)}

/* the sleeve behind the active card — a quiet physical cue */
.pc-plate{
  position:absolute;inset:-7px;border-radius:calc(var(--r-card) + 6px);
  background:linear-gradient(150deg,rgba(255,255,255,.92),rgba(255,244,249,.72));
  box-shadow:0 10px 30px -16px rgba(126,74,104,.42), inset 0 0 0 1px rgba(255,255,255,.9);
  opacity:0;transition:opacity .5s var(--ease);
}
.pc-slot.is-active .pc-plate{opacity:1}
.pc-slot.is-active .pc-body{box-shadow:var(--sh-lift)}
.pc-slot.is-far .pc-body{filter:saturate(.94) brightness(1.01)}

/* hairline gold rim + soft sheen that sits over the poster only */
.pc-rim{
  position:absolute;inset:0;border-radius:var(--r-card);pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(195,159,87,.55), inset 0 0 0 4px rgba(255,255,255,.34),
             inset 0 -40px 60px -40px rgba(75,57,68,.4);
}
.pc-slot.is-live .pc-rim{display:none}          /* the GLB draws its own gold ring */

/* cards on the far wings fade into the page instead of ending abruptly */
.pc-slot[data-pos="-2"],.pc-slot[data-pos="2"]{
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 18%,#000 82%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 18%,#000 82%,transparent);
}

/* ── arrows ───────────────────────────────────────────────────────────── */
.arrow{
  position:absolute;top:50%;z-index:30;transform:translateY(-50%);
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  color:var(--ink-2);background:rgba(255,255,255,.72);
  box-shadow:inset 0 0 0 1px var(--line), var(--sh-soft);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:color .28s var(--ease),background .28s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease);
}
.arrow svg{width:20px;height:20px}
.arrow:hover{color:#fff;background:linear-gradient(135deg,var(--straw),var(--straw-deep));
  transform:translateY(-50%) scale(1.07);
  box-shadow:0 12px 26px -12px rgba(239,110,164,.7)}
.arrow:active{transform:translateY(-50%) scale(.97)}
.arrow-prev{left:clamp(8px,2.4vw,42px)}
.arrow-next{right:clamp(8px,2.4vw,42px)}
.swipe-hint{
  position:absolute;left:50%;bottom:-4px;transform:translateX(-50%);
  font-size:9px;letter-spacing:3.4px;color:var(--ink-3);text-transform:uppercase;
  opacity:0;transition:opacity .6s var(--ease);pointer-events:none;
}
.stage.show-hint .swipe-hint{opacity:.8}

/* ══ 观赏模式：点一下激活卡，卡片放大、慢慢自转、可缩放旋转 ═══════════════ */
.stage.is-zoom{z-index:60}
.stage.is-zoom::before{
  content:'';position:fixed;inset:0;z-index:1;
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(255,255,255,.90), rgba(255,246,250,.94) 55%, rgba(255,238,246,.96));
  -webkit-backdrop-filter:blur(16px) saturate(120%);backdrop-filter:blur(16px) saturate(120%);
  animation:zoomVeil .34s var(--ease) both;
}
@keyframes zoomVeil{from{opacity:0}to{opacity:1}}
.stage.is-zoom .pc-slot{opacity:0!important;pointer-events:none}
.stage.is-zoom .arrow,
.stage.is-zoom .swipe-hint,
.stage.is-zoom .deck-glow,
.stage.is-zoom .pc-live-shadow{opacity:0!important;pointer-events:none}
.stage.is-zoom .pc-live{
  z-index:5;
  width:var(--zcw);height:var(--zch);
  transform:perspective(var(--persp,1240px)) translate3d(-50%,-50%,0) scale(var(--lift,1));
}

.zoom-close{
  position:fixed;top:clamp(14px,3vh,26px);right:clamp(14px,3vw,30px);z-index:8;
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  font-size:15px;color:var(--ink-2);background:rgba(255,255,255,.8);
  box-shadow:inset 0 0 0 1px var(--line), var(--sh-soft);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease),background .3s var(--ease);
}
.zoom-close:hover{background:#fff;transform:rotate(90deg) scale(1.06);color:var(--straw-ink)}
.stage.is-zoom .zoom-close{opacity:1;pointer-events:auto}

.zoom-hint{
  position:fixed;left:50%;bottom:clamp(18px,4vh,40px);transform:translateX(-50%);z-index:8;
  font-size:9.5px;letter-spacing:2.6px;color:var(--ink-3);text-transform:uppercase;
  white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .5s var(--ease);
}
.stage.is-zoom .zoom-hint{opacity:.85;transition-delay:.5s}

/* ══ metadata + progress ════════════════════════════════════════════════ */
.meta{
  position:relative;z-index:4;
  display:grid;grid-template-columns:1fr minmax(180px,320px) 1fr;
  align-items:center;gap:clamp(12px,3vw,40px);
  width:min(1080px,92vw);margin:clamp(10px,1.7vh,20px) auto 0;
  padding-top:clamp(10px,1.5vh,16px);
  border-top:1px solid var(--line-soft);
}
.meta-cell{min-width:0}
.meta-left{text-align:left}
.meta-right{text-align:right}
.meta-pc{font-family:var(--serif);font-size:clamp(15px,1.7vw,19px);letter-spacing:.14em;color:var(--ink)}
.meta-erayear{margin-top:2px;font-size:9.5px;font-weight:500;letter-spacing:3px;color:var(--straw-ink)}
.meta-erayear i{font-style:normal;margin:0 7px;color:var(--ink-3)}
.meta-title{font-family:var(--serif);font-size:clamp(14px,1.5vw,17px);letter-spacing:.16em;color:var(--ink)}
.meta-note{margin-top:2px;font-size:10px;letter-spacing:1.5px;color:var(--ink-3)}
.meta-center{display:flex;justify-content:center}
.progress{display:flex;flex-direction:column;align-items:center;gap:9px;width:100%}
.progress-num{font-size:9.5px;font-weight:700;letter-spacing:3.4px;color:var(--ink-2)}
.progress-line{position:relative;display:block;width:100%;height:1.5px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--line) 12%,var(--line) 88%,transparent)}
.progress-fill{position:absolute;left:0;top:0;height:100%;border-radius:2px;
  background:linear-gradient(90deg,var(--straw),var(--straw-deep));
  transition:width .52s var(--ease)}
.progress-dot{
  position:absolute;top:50%;width:7px;height:7px;border-radius:50%;
  background:var(--straw-deep);transform:translate(-50%,-50%);
  box-shadow:0 0 0 3px rgba(255,255,255,.9), 0 0 12px rgba(239,110,164,.7);
  transition:left .52s var(--ease);
}

/* ══ footer ═════════════════════════════════════════════════════════════ */
.foot{position:relative;z-index:3;text-align:center;padding:clamp(16px,2.4vh,28px) 22px clamp(26px,4vh,46px)}
.foot-rule{display:block;width:80px;height:1px;margin:0 auto 16px;
  background:linear-gradient(90deg,transparent,var(--line),transparent)}
.foot p{font-size:9.5px;letter-spacing:2.6px;color:var(--ink-3);text-transform:uppercase}
.foot b{font-weight:400;font-size:12px}
.noscript{padding:40px;text-align:center;color:var(--ink-2)}

/* ══ launched card: ghost that flies out of the stack ═══════════════════ */
.pc-ghost{
  position:fixed;z-index:90;pointer-events:none;border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-float);
  transition:transform .54s cubic-bezier(.32,.72,.24,1), opacity .54s linear;
}
.pc-ghost img{width:100%;height:100%;object-fit:cover}

/* ══ mobile: a real stack of photocards, not a squeezed desktop ═════════ */
@media (max-width:860px){
  .masthead{padding-top:clamp(28px,4.4vh,48px)}
  .title{font-size:clamp(36px,11.4vw,54px)}
  .subtitle{letter-spacing:1.8px}
  .stage{
    height:min(126vw,76vh);
    min-height:330px;
    --persp:900px;
    touch-action:pan-y;
  }
  .arrow{display:none}
  .swipe-hint{bottom:2px}
  .deck{position:absolute;inset:0}
  .pc-slot{width:var(--cw)}
  .meta{
    grid-template-columns:1fr;gap:14px;text-align:center;
    width:min(560px,90vw);
  }
  .meta-left,.meta-right{text-align:center}
  .meta-center{order:-1}
  .progress{max-width:280px;margin:0 auto}
  .tools{flex-wrap:wrap}
  .foot{padding-bottom:clamp(46px,8vh,72px)}
}

/* ══ distil the motion when asked ══════════════════════════════════════ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important}
  .title-heart{animation:none}
  /* the tilt still responds, but no glare, glitter or travelling reflections */
  .pc-fx,.pc-live-shadow{display:none}
}