/* ============================================================
   遐蝶 · Castorice — Character Showcase
   Premium animated single-page site
   ============================================================ */

:root{
  --bg-0:#07040f;
  --bg-1:#0d0820;
  --bg-2:#160d2e;
  --ink:#efe9ff;
  --ink-dim:#b6a6d6;
  --ink-faint:#7e6fa3;
  --lilac:#c9a7ff;
  --lilac-bright:#e7d2ff;
  --magenta:#d98cff;
  --violet:#7c4dff;
  --gold:#e7c98f;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(201,167,255,.07);
  --glass-border:rgba(201,167,255,.16);
  --shadow:0 24px 70px -20px rgba(10,2,28,.85);
  --serif:"Noto Serif SC","Cormorant Garamond",serif;
  --sans:"Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --display:"Cormorant Garamond","Noto Serif SC",serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--bg-0);
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
em{font-style:normal;color:var(--lilac-bright)}

/* ambient moving background */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(1100px 700px at 78% -8%, rgba(124,77,255,.22), transparent 60%),
    radial-gradient(900px 700px at 8% 18%, rgba(217,140,255,.14), transparent 60%),
    radial-gradient(1200px 900px at 50% 120%, rgba(124,77,255,.18), transparent 60%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 45%,var(--bg-2));
  animation:bgDrift 22s ease-in-out infinite alternate;
}
@keyframes bgDrift{
  0%{transform:translate3d(0,0,0) scale(1)}
  100%{transform:translate3d(0,-22px,0) scale(1.04)}
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(120% 80% at 50% 0%, transparent 60%, rgba(7,4,15,.65));
}

/* ===== FX canvas ===== */
.fx-canvas{position:fixed;inset:0;z-index:1;pointer-events:none}

/* ===== Preloader ===== */
.preloader{
  position:fixed;inset:0;z-index:999;display:grid;place-items:center;
  background:radial-gradient(circle at 50% 40%,#150c2e,#07040f 70%);
  transition:opacity .9s ease,visibility .9s ease;
}
.preloader.done{opacity:0;visibility:hidden}
.preloader__inner{text-align:center}
.preloader__sigil{
  width:64px;height:64px;margin:0 auto 22px;border-radius:50%;
  border:1px solid var(--glass-border);
  box-shadow:0 0 40px rgba(201,167,255,.35),inset 0 0 24px rgba(201,167,255,.18);
  position:relative;animation:spin 6s linear infinite;
}
.preloader__sigil::before,.preloader__sigil::after{
  content:"";position:absolute;inset:10px;border-radius:50%;
  border:1px solid rgba(201,167,255,.4);
}
.preloader__sigil::after{inset:22px;border-color:rgba(217,140,255,.5)}
@keyframes spin{to{transform:rotate(360deg)}}
.preloader__name{
  font-family:var(--serif);font-size:34px;letter-spacing:.4em;
  color:var(--lilac-bright);text-indent:.4em;
  text-shadow:0 0 24px rgba(201,167,255,.5);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:.65}50%{opacity:1}}
.preloader__bar{
  width:180px;height:2px;margin:20px auto 14px;background:rgba(201,167,255,.15);border-radius:2px;overflow:hidden;
}
.preloader__bar span{display:block;height:100%;width:40%;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--lilac),transparent);
  animation:load 1.3s ease-in-out infinite;
}
@keyframes load{0%{transform:translateX(-120%)}100%{transform:translateX(360%)}}
.preloader__tip{font-size:13px;letter-spacing:.25em;color:var(--ink-faint)}

/* ===== Nav ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;gap:18px;
  padding:16px clamp(18px,4vw,52px);
  transition:background .4s ease,backdrop-filter .4s ease,padding .4s ease,border-color .4s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(10,6,22,.55);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--glass-border);
  padding-top:11px;padding-bottom:11px;
}
.nav__brand{display:flex;align-items:center;gap:11px;font-family:var(--serif)}
.nav__brand img{width:34px;height:34px;border-radius:50%;box-shadow:0 0 18px rgba(201,167,255,.4)}
.nav__brand span{font-size:19px;letter-spacing:.18em;display:flex;flex-direction:column;line-height:1}
.nav__brand small{font-size:10px;letter-spacing:.32em;color:var(--ink-faint);font-family:var(--display)}
.nav__links{display:flex;gap:26px;margin-left:auto;list-style:none}
.nav__links a{
  font-size:14px;letter-spacing:.12em;color:var(--ink-dim);position:relative;padding:4px 0;
  transition:color .3s;
}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--lilac);transition:width .3s}
.nav__links a:hover{color:var(--ink)}
.nav__links a:hover::after{width:100%}
.nav__music{
  display:flex;align-items:center;gap:7px;cursor:pointer;
  background:var(--glass-2);border:1px solid var(--glass-border);color:var(--ink);
  padding:8px 15px;border-radius:999px;font-size:13px;letter-spacing:.1em;
  transition:all .3s;backdrop-filter:blur(6px);
}
.nav__music:hover{background:rgba(201,167,255,.16);box-shadow:0 0 22px rgba(201,167,255,.25)}
.nav__music.playing .nav__music-ic{color:var(--magenta);animation:spin 4s linear infinite}
.nav__music-ic{font-size:15px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 30px;border-radius:999px;font-size:14px;letter-spacing:.14em;
  cursor:pointer;transition:all .35s;position:relative;overflow:hidden;
}
.btn--solid{
  color:#160a2c;font-weight:500;
  background:linear-gradient(120deg,var(--lilac),var(--magenta));
  box-shadow:0 12px 34px -10px rgba(201,167,255,.7);
}
.btn--solid:hover{transform:translateY(-3px);box-shadow:0 18px 44px -10px rgba(201,167,255,.9)}
.btn--ghost{
  color:var(--ink);border:1px solid var(--glass-border);background:var(--glass);
  backdrop-filter:blur(6px);
}
.btn--ghost:hover{background:rgba(201,167,255,.14);border-color:var(--lilac);transform:translateY(-3px)}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:120px clamp(20px,6vw,90px) 80px;overflow:hidden;
}
.hero__bg{
  position:absolute;inset:-8%;z-index:0;
  background:radial-gradient(60% 60% at 70% 40%,rgba(124,77,255,.28),transparent 70%);
  filter:blur(10px);
}
.hero__art-wrap{
  position:absolute;top:50%;right:clamp(-120px,-4vw,40px);transform:translateY(-50%);
  width:min(64vw,720px);z-index:1;
}
.hero__art{
  width:100%;will-change:transform;
}
.hero__art img{
  width:100%;border-radius:24px;
  -webkit-mask-image:radial-gradient(70% 75% at 55% 45%,#000 55%,transparent 100%);
  mask-image:radial-gradient(70% 75% at 55% 45%,#000 55%,transparent 100%);
  filter:drop-shadow(0 30px 60px rgba(10,2,28,.7));
}
.hero__art-glow{
  position:absolute;inset:8% 12%;z-index:-1;border-radius:50%;
  background:radial-gradient(circle,rgba(201,167,255,.35),transparent 65%);
  filter:blur(40px);animation:glowPulse 7s ease-in-out infinite;
}
@keyframes glowPulse{0%,100%{opacity:.55;transform:scale(.96)}50%{opacity:1;transform:scale(1.05)}}
.hero__scrim{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(100deg,rgba(7,4,15,.92) 18%,rgba(7,4,15,.55) 46%,transparent 72%);
}
.hero__content{position:relative;z-index:3;max-width:640px}
.hero__eyebrow{
  font-size:14px;letter-spacing:.34em;color:var(--lilac);text-transform:uppercase;
  margin-bottom:18px;
}
.hero__title{font-family:var(--serif);line-height:1;margin-bottom:18px}
.hero__cn{display:block;font-size:clamp(72px,13vw,158px);font-weight:600;letter-spacing:.04em;
  background:linear-gradient(120deg,#fff,var(--lilac-bright) 45%,var(--magenta));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 0 60px rgba(201,167,255,.25);
}
.hero__en{display:block;font-family:var(--display);font-style:italic;font-weight:500;
  font-size:clamp(26px,4.4vw,52px);letter-spacing:.12em;color:var(--ink-dim);margin-top:6px}
.hero__sub{font-size:clamp(16px,2.2vw,21px);letter-spacing:.22em;color:var(--ink);margin-bottom:26px}
.hero__quote{
  font-family:var(--serif);font-size:clamp(15px,2vw,18px);line-height:1.9;color:var(--ink-dim);
  padding:20px 24px;border-left:2px solid var(--lilac);border-radius:4px 14px 14px 4px;
  margin-bottom:32px;max-width:480px;
}
.hero__quote::before{content:"“";position:absolute}
.hero__actions{display:flex;gap:16px;flex-wrap:wrap}
.hero__scroll{
  position:absolute;left:50%;bottom:28px;transform:translateX(-50%);z-index:4;
  display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--ink-faint);
  font-size:11px;letter-spacing:.3em;
}
.hero__scroll-dot{width:22px;height:36px;border:1px solid var(--glass-border);border-radius:14px;position:relative}
.hero__scroll-dot::after{content:"";position:absolute;top:7px;left:50%;width:4px;height:8px;margin-left:-2px;border-radius:3px;background:var(--lilac);animation:scrolld 1.8s ease-in-out infinite}
@keyframes scrolld{0%{opacity:0;transform:translateY(0)}40%{opacity:1}100%{opacity:0;transform:translateY(12px)}}

/* split-letter animation */
.hero__title [data-split]{display:inline-block}
.hero__title .ltr{display:inline-block;opacity:0;transform:translateY(.5em) rotateX(-40deg);filter:blur(6px);animation:ltrIn .9s cubic-bezier(.2,.8,.2,1) forwards}
@keyframes ltrIn{to{opacity:1;transform:none;filter:blur(0)}}

/* ===== Glass utility ===== */
.glass{
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}

/* ===== Sections ===== */
.section{position:relative;z-index:3;padding:clamp(70px,11vw,140px) clamp(20px,6vw,90px)}
.section__head{display:flex;align-items:center;gap:18px;margin-bottom:54px}
.section__idx{font-family:var(--display);font-style:italic;font-size:clamp(28px,4vw,46px);color:var(--lilac);opacity:.6}
.section__title{font-family:var(--serif);font-size:clamp(26px,4.4vw,44px);letter-spacing:.1em;font-weight:500}
.section__line{flex:1;height:1px;background:linear-gradient(90deg,var(--glass-border),transparent)}

/* reveal */
.reveal{opacity:0;transform:translateY(34px);transition:opacity 1s cubic-bezier(.2,.8,.2,1),transform 1s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ===== Intro ===== */
.intro{display:grid;grid-template-columns:minmax(0,380px) 1fr;gap:clamp(30px,5vw,72px);align-items:center}
.intro__portrait{position:relative;will-change:transform}
.intro__portrait img{
  width:100%;border-radius:18px;
  border:1px solid var(--glass-border);
  box-shadow:0 30px 70px -24px rgba(10,2,28,.9),0 0 0 1px rgba(201,167,255,.08) inset;
  filter:drop-shadow(0 0 30px rgba(201,167,255,.18));
}
.intro__portrait figcaption{
  margin-top:16px;text-align:center;font-family:var(--serif);font-style:italic;
  color:var(--lilac-bright);font-size:15px;letter-spacing:.05em;
}
.intro__text p{margin-bottom:20px;font-size:clamp(15px,1.7vw,17px);color:var(--ink-dim)}
.intro__tags{display:flex;flex-wrap:wrap;gap:12px;list-style:none;margin-top:24px}
.intro__tags li{
  padding:8px 18px;border-radius:999px;font-size:13px;letter-spacing:.08em;
  background:var(--glass-2);border:1px solid var(--glass-border);color:var(--lilac-bright);
}

/* ===== Cards ===== */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}
.card{padding:30px 28px;border-radius:18px;transition:transform .45s,box-shadow .45s,border-color .45s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(120% 80% at 0% 0%,rgba(201,167,255,.12),transparent 55%);opacity:0;transition:opacity .45s}
.card:hover{transform:translateY(-8px);border-color:var(--lilac);box-shadow:0 30px 60px -26px rgba(124,77,255,.7)}
.card:hover::before{opacity:1}
.card__ico{font-size:30px;color:var(--magenta);margin-bottom:14px;text-shadow:0 0 20px rgba(217,140,255,.6)}
.card h3{font-family:var(--serif);font-size:21px;letter-spacing:.08em;margin-bottom:12px}
.card p{font-size:14.5px;color:var(--ink-dim)}

/* ===== Path ===== */
.path{display:grid;grid-template-columns:minmax(0,360px) 1fr;gap:clamp(30px,5vw,64px);align-items:center}
.path__ring-wrap{display:grid;place-items:center;will-change:transform}
.path__ring{
  position:relative;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;width:min(70vw,340px);
  background:conic-gradient(from 0deg,var(--violet),var(--magenta),var(--lilac),var(--violet));
  padding:3px;animation:spin 30s linear infinite;
  box-shadow:0 0 70px -10px rgba(124,77,255,.7);
}
.path__ring::after{content:"";position:absolute;inset:18px;border-radius:50%;background:radial-gradient(circle,var(--bg-1),var(--bg-0))}
.path__core{position:relative;text-align:center}
.path__core-cn{display:block;font-family:var(--serif);font-size:40px;letter-spacing:.2em;color:var(--lilac-bright);text-shadow:0 0 26px rgba(201,167,255,.5)}
.path__core-en{display:block;font-family:var(--display);font-style:italic;letter-spacing:.18em;color:var(--ink-faint);margin-top:4px}
.path__stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.stat{padding:20px 22px;border-radius:14px;display:flex;flex-direction:column;gap:6px}
.stat__k{font-size:12px;letter-spacing:.2em;color:var(--ink-faint)}
.stat__v{font-size:16px;color:var(--ink);font-family:var(--serif);letter-spacing:.04em}

/* ===== Quotes ===== */
.quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.quote{padding:30px 28px;border-radius:18px;position:relative}
.quote p{font-family:var(--serif);font-size:clamp(16px,2vw,19px);line-height:1.85;color:var(--ink)}
.quote cite{display:block;margin-top:16px;font-style:normal;font-size:13px;letter-spacing:.18em;color:var(--lilac)}
.quote::before{content:"“";position:absolute;top:6px;left:18px;font-family:var(--display);font-size:60px;color:rgba(201,167,255,.22)}

/* ===== Gallery ===== */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery__item{position:relative;border-radius:16px;overflow:hidden;cursor:pointer;border:1px solid var(--glass-border)}
.gallery__item--lg{grid-column:span 2;grid-row:span 2}
.gallery__item img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.8,.2,1),filter .5s}
.gallery__item--lg img{height:100%;min-height:340px}
.gallery__item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(7,4,15,.7));opacity:0;transition:opacity .5s}
.gallery__item:hover img{transform:scale(1.06);filter:saturate(1.15)}
.gallery__item:hover::after{opacity:1}

/* ===== Music player ===== */
.section--music{position:relative}
.player{display:grid;grid-template-columns:200px 1fr;gap:30px;align-items:center;padding:30px;padding-left:24px;border-radius:22px}
.player__viz{height:150px;border-radius:16px;overflow:hidden;background:radial-gradient(circle at 50% 120%,rgba(124,77,255,.22),rgba(7,4,15,.5));border:1px solid var(--glass-border);position:relative}
.player__viz canvas{width:100%;height:100%;display:block}
.player__main{display:flex;flex-direction:column;gap:16px}
.player__meta{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.player__track{font-family:var(--serif);font-size:18px;letter-spacing:.06em;color:var(--lilac-bright)}
.player__state{font-size:12px;letter-spacing:.2em;color:var(--ink-faint)}
.player__controls{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.player__btn{
  width:56px;height:56px;border-radius:50%;cursor:pointer;border:none;color:#160a2c;
  background:linear-gradient(120deg,var(--lilac),var(--magenta));
  box-shadow:0 12px 30px -10px rgba(201,167,255,.8);display:grid;place-items:center;font-size:18px;
  transition:transform .3s;
}
.player__btn:hover{transform:scale(1.07)}
.player__btn .ico-pause{display:none}
.player.playing .player__btn .ico-play{display:none}
.player.playing .player__btn .ico-pause{display:inline}
.player__vol{display:flex;align-items:center;gap:10px;color:var(--ink-dim);font-size:14px}
.player__vol input[type=range]{-webkit-appearance:none;appearance:none;width:130px;height:4px;border-radius:4px;background:rgba(201,167,255,.2);outline:none}
.player__vol input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:15px;height:15px;border-radius:50%;background:var(--lilac);box-shadow:0 0 12px rgba(201,167,255,.8);cursor:pointer}
.player__vol input[type=range]::-moz-range-thumb{width:15px;height:15px;border:none;border-radius:50%;background:var(--lilac);cursor:pointer}
.player__upload{
  cursor:pointer;font-size:13px;letter-spacing:.1em;color:var(--ink-dim);
  padding:9px 18px;border-radius:999px;border:1px solid var(--glass-border);background:var(--glass);transition:all .3s;
}
.player__upload:hover{color:var(--ink);border-color:var(--lilac);background:rgba(201,167,255,.12)}
.player__hint{font-size:12.5px;color:var(--ink-faint);line-height:1.7}

/* ===== Footer ===== */
.footer{position:relative;z-index:3;text-align:center;padding:70px 20px 90px;border-top:1px solid var(--glass-border);background:linear-gradient(180deg,transparent,rgba(7,4,15,.6))}
.footer__star{font-family:var(--serif);font-size:clamp(20px,3vw,30px);letter-spacing:.2em;color:var(--lilac-bright);text-shadow:0 0 30px rgba(201,167,255,.4);margin-bottom:18px}
.footer__note{font-size:12px;color:var(--ink-faint);max-width:560px;margin:0 auto;line-height:1.8}

/* ===== Lightbox ===== */
.lightbox{
  position:fixed;inset:0;z-index:200;display:grid;place-items:center;
  background:rgba(5,2,12,.86);backdrop-filter:blur(8px);
  opacity:0;visibility:hidden;transition:opacity .4s,visibility .4s;padding:24px;
}
.lightbox.open{opacity:1;visibility:visible}
.lightbox__fig{max-width:92vw;max-height:88vh;text-align:center}
.lightbox__fig img{max-width:92vw;max-height:78vh;border-radius:14px;box-shadow:0 30px 80px -20px rgba(0,0,0,.8);border:1px solid var(--glass-border)}
.lightbox__fig figcaption{margin-top:14px;font-family:var(--serif);letter-spacing:.1em;color:var(--lilac-bright)}
.lightbox__close{position:absolute;top:22px;right:26px;width:46px;height:46px;border-radius:50%;border:1px solid var(--glass-border);background:var(--glass);color:var(--ink);font-size:18px;cursor:pointer;transition:all .3s}
.lightbox__close:hover{background:rgba(201,167,255,.16);transform:rotate(90deg)}

/* ===== Responsive ===== */
@media (max-width:880px){
  .nav__links{display:none}
  .hero__art{width:96vw;right:-20%;opacity:.5}
  .hero__scrim{background:linear-gradient(180deg,rgba(7,4,15,.6),rgba(7,4,15,.92))}
  .intro{grid-template-columns:1fr}
  .path{grid-template-columns:1fr}
  .path__ring{max-width:300px;margin:0 auto}
  .gallery{grid-template-columns:1fr 1fr}
  .gallery__item--lg{grid-column:span 2;grid-row:auto}
  .player{grid-template-columns:1fr}
  .player__viz{height:120px}
}
@media (max-width:520px){
  .gallery{grid-template-columns:1fr}
  .gallery__item--lg{grid-column:auto}
  .hero__actions{flex-direction:column;align-items:stretch}
}

/* reduced motion */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .hero__title .ltr{opacity:1;transform:none;filter:none}
}