/* ============================================================
   The Inscribed Cosmos — styles
   ============================================================ */
:root{
  --bg:#05050f; --bg2:#070713;
  --ink:#e6edf3; --ink2:#9aa0a6; --ink3:#6b7280;
  --blue:#58a6ff; --gold:#ffd700; --violet:#a855f7; --cyan:#4af0ff; --green:#3fb950;
  --line:rgba(230,237,243,.12);
  --hero-accent:#58a6ff;
  --disp:'Space Grotesk',-apple-system,'PingFang SC','Hiragino Sans',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,'SFMono-Regular',monospace;
  --cjk:'PingFang SC','Hiragino Sans','Noto Sans CJK SC',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{background:var(--bg);color:var(--ink);font-family:var(--disp);
  -webkit-font-smoothing:antialiased}
body{overflow-x:clip}
body.has-custom-cursor,body.has-custom-cursor *{cursor:none !important}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
::selection{background:rgba(88,166,255,.3);color:#fff}
.blink{animation:blink 1.05s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* ---- fixed background + canvas ---- */
.bg-fixed{position:fixed;inset:0;z-index:-1;
  background:
    radial-gradient(120% 80% at 70% 0%, #0a0a1c 0%, var(--bg) 55%),
    radial-gradient(100% 90% at 20% 100%, #08081a 0%, var(--bg) 60%);
}
.cosmos-canvas{position:fixed;inset:0;width:100vw;height:100vh;z-index:0;
  pointer-events:none}

/* ---- custom cursor ---- */
.cur-dot{position:fixed;width:5px;height:5px;border-radius:50%;
  background:var(--hero-accent);box-shadow:0 0 10px 2px var(--hero-accent);
  transform:translate(-50%,-50%);pointer-events:none;z-index:9999;mix-blend-mode:screen}
.cur-ring{position:fixed;width:26px;height:26px;border:1px solid rgba(230,237,243,.4);
  border-radius:50%;transform:translate(-50%,-50%);pointer-events:none;z-index:9998;
  transition:width .18s ease,height .18s ease,border-color .18s ease,opacity .18s ease}

/* =========================================================
   NAV
   ========================================================= */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:26px clamp(22px,4vw,54px);pointer-events:none}
.nav>*{pointer-events:auto}
.brand{display:flex;align-items:center;gap:11px;letter-spacing:.18em;
  font-family:var(--mono);font-size:12px;color:var(--ink)}
.brand__mark{color:var(--hero-accent);font-size:13px;filter:drop-shadow(0 0 6px var(--hero-accent))}
.brand__txt{font-weight:500}
.nav__links{display:flex;gap:28px}
.nav__link{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:var(--ink2);
  display:flex;align-items:baseline;gap:7px;transition:color .25s;position:relative}
.nav__link:hover{color:var(--ink)}
.nav__idx{font-size:10px;color:var(--ink3);transition:color .25s}
.nav__link:hover .nav__idx{color:var(--hero-accent)}
.nav__right{display:flex;align-items:center;gap:18px}

.lang{display:flex;gap:6px;border:1px solid var(--line);border-radius:8px;padding:3px}
.lang__b{font-family:var(--mono);font-size:11.5px;padding:5px 9px;border-radius:6px;
  color:var(--ink2);transition:.2s;letter-spacing:.02em;white-space:nowrap}
.lang__b:hover{color:var(--ink)}
.lang__b.is-on{background:rgba(88,166,255,.14);color:var(--blue);
  box-shadow:inset 0 0 0 1px rgba(88,166,255,.4)}

.burger{display:none;flex-direction:column;gap:5px;width:34px;height:34px;
  align-items:center;justify-content:center}
.burger span{width:20px;height:1.5px;background:var(--ink);transition:.3s}
.burger.is-open span:first-child{transform:translateY(3.2px) rotate(45deg)}
.burger.is-open span:last-child{transform:translateY(-3.2px) rotate(-45deg)}

/* mobile drawer */
.drawer{position:fixed;inset:0;z-index:48;background:rgba(5,5,15,.96);
  backdrop-filter:blur(14px);display:flex;flex-direction:column;justify-content:center;
  padding:0 32px;opacity:0;visibility:hidden;transition:opacity .4s;pointer-events:none}
.drawer.is-open{opacity:1;visibility:visible;pointer-events:auto}
.drawer__lang{display:flex;justify-content:center;margin-bottom:38px}
.drawer__nav{display:flex;flex-direction:column;gap:4px}
.drawer__link{display:grid;grid-template-columns:auto 1fr;align-items:baseline;gap:14px;
  padding:18px 4px;border-top:1px solid var(--line);text-align:left}
.drawer__link:last-child{border-bottom:1px solid var(--line)}
.drawer__idx{font-family:var(--mono);font-size:12px;color:var(--hero-accent)}
.drawer__name{font-size:24px;font-weight:300}
.drawer__en{grid-column:2;font-family:var(--mono);font-size:10.5px;color:var(--ink3);
  letter-spacing:.12em}
.drawer__foot{margin-top:38px;text-align:center;font-family:var(--mono);font-size:10.5px;
  color:var(--ink3);letter-spacing:.06em}

/* =========================================================
   HERO
   ========================================================= */
.hero{position:relative;height:100vh;min-height:600px;z-index:10;
  will-change:opacity;
  background:
    radial-gradient(140% 82% at 6% 96%, rgba(5,5,15,.62) 0%, rgba(5,5,15,.32) 30%, rgba(5,5,15,0) 56%),
    linear-gradient(0deg, rgba(5,5,15,.5) 0%, rgba(5,5,15,.1) 24%, rgba(5,5,15,0) 44%)}
.hero__layout{position:absolute;inset:0;padding:clamp(24px,4vw,54px);
  padding-top:104px;padding-bottom:108px;display:flex}

.hero__eyebrow{display:flex;align-items:center;gap:12px;font-family:var(--mono);
  font-size:11.5px;letter-spacing:.16em;color:var(--ink2);text-transform:uppercase;
  white-space:nowrap}
.hero__sep{color:var(--ink3)}
.hero__scale{color:var(--hero-accent)}
.hero__live{display:inline-flex;align-items:center;gap:7px;color:var(--ink)}
.hero__dot{width:6px;height:6px;border-radius:50%;background:var(--hero-accent);
  box-shadow:0 0 8px var(--hero-accent);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}

.hero__title{font-weight:300;line-height:1.0;letter-spacing:-.02em;color:var(--ink);
  text-shadow:0 2px 30px rgba(5,5,15,.96),0 0 70px rgba(5,5,15,.85),
    0 0 30px rgba(5,5,15,.92),0 0 10px rgba(5,5,15,.96)}
.hero__line{display:block}
.hero__alt{display:block;font-family:var(--cjk);font-weight:300;color:var(--ink2);
  letter-spacing:.02em;margin-top:.5em;font-size:clamp(15px,1.4vw,20px);
  text-shadow:0 0 24px rgba(5,5,15,.92),0 0 8px rgba(5,5,15,.95)}
.hero__sub{font-family:var(--mono);font-size:clamp(12px,1.1vw,14px);letter-spacing:.14em;
  text-transform:uppercase;color:var(--blue);white-space:nowrap}
.hero__stats{display:flex;gap:clamp(26px,3.4vw,64px)}
.stat{display:flex;flex-direction:column;gap:6px}
.stat__v{font-family:var(--mono);font-weight:500;font-size:clamp(28px,3vw,44px);
  line-height:1;color:var(--ink)}
.stat__suf{font-size:.55em;color:var(--ink2);margin-left:1px}
.stat__l{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink3)}

.hero__sig{position:absolute;right:clamp(24px,4vw,54px);bottom:40px;font-family:var(--mono);
  font-size:11px;letter-spacing:.04em;color:var(--ink3);text-align:right;white-space:nowrap}
.hero__prompt{color:var(--hero-accent);margin-right:7px}

/* entrance — hero content is visible by default (no clock dependency).
   Motion comes from the boot sequence + live constellation reveal. */
@keyframes rise{from{transform:translateY(22px)}to{transform:translateY(0)}}

/* variant A — centered planetarium */
.hero__layout--a{flex-direction:column;align-items:center;justify-content:center;
  text-align:center;gap:30px}
.hero__layout--a .hero__title{font-size:clamp(38px,6.6vw,100px)}
.hero__layout--a .hero__stats{justify-content:center;margin-top:6px}
.hero__layout--a .hero__sub{margin-top:-8px}

/* variant B — lower-left documentary (default) */
.hero__layout--b{flex-direction:column;justify-content:flex-end;align-items:flex-start}
.hero__bBlock{display:flex;flex-direction:column;gap:22px;width:min(1280px,94vw)}
.hero__bBlock .hero__eyebrow{margin-bottom:2px}
.hero__bBlock .hero__sub,.hero__bBlock .hero__title{align-self:stretch}
.hero__layout--b .hero__title{font-size:clamp(44px,7.4vw,112px);letter-spacing:-.03em}
.hero__layout--b .hero__alt{font-size:clamp(15px,1.5vw,21px)}
.hero__layout--b .hero__stats{margin-top:14px}

/* variant C — terminal split */
.hero__layout--c{align-items:center;gap:5%}
.hero__cLeft{flex:1;display:flex;flex-direction:column;gap:24px}
.hero__layout--c .hero__title{font-size:clamp(34px,5vw,78px)}
.hero__terminal{width:min(380px,38vw);border:1px solid var(--line);border-radius:12px;
  background:rgba(8,10,22,.6);backdrop-filter:blur(8px);overflow:hidden;
  box-shadow:0 30px 80px -40px rgba(0,0,0,.9)}
.term__bar{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--ink2);
  padding:11px 16px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:9px}
.term__bar .blink{color:var(--green);font-size:9px}
.term__body{padding:16px 18px 18px;font-family:var(--mono);font-size:12.5px}
.term__row{display:flex;align-items:center;gap:10px;padding:9px 0;color:var(--ink)}
.term__row--alt{color:var(--ink2)}
.term__k{letter-spacing:.1em;text-transform:uppercase;font-size:11px;color:var(--ink2);white-space:nowrap}
.term__dots{flex:1;border-bottom:1px dotted var(--line);transform:translateY(-3px)}
.term__val{color:var(--ink);font-weight:500;white-space:nowrap}
.term__val .stat{display:inline-flex}
.term__val .stat__v{font-size:14px}
.term__cursor{margin-top:12px;color:var(--hero-accent);font-size:13px}

/* scroll hint */
.scrollhint{position:absolute;left:50%;bottom:30px;transform:translateX(-50%);z-index:11;
  display:flex;flex-direction:column;align-items:center;gap:12px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink2)}
.scrollhint__line{width:1px;height:46px;background:linear-gradient(var(--line),transparent);
  position:relative;overflow:hidden}
.scrollhint__bead{position:absolute;left:50%;top:0;width:3px;height:3px;border-radius:50%;
  transform:translateX(-50%);background:var(--hero-accent);box-shadow:0 0 6px var(--hero-accent);
  animation:bead 2.2s ease-in-out infinite}
@keyframes bead{0%{top:-4px;opacity:0}20%{opacity:1}80%{opacity:1}100%{top:46px;opacity:0}}

/* =========================================================
   SERIES SECTIONS
   ========================================================= */
.series{position:relative;min-height:100vh;display:flex;align-items:stretch;
  overflow:hidden;z-index:5}
.series__bg{position:absolute;inset:0;background-size:cover;background-position:34% center;
  transform:scale(1.26);opacity:1;transition:transform 9s ease-out}
.series.is-vis .series__bg{transform:scale(1.16)}
/* scrim: strong dark left column keeps white text legible, the "light well"
   sits right-of-centre over the imagery, and top/bottom darkening bridges the
   seam between adjacent full-bleed sections so they cross-fade cleanly. */
.series__scrim{position:absolute;inset:0;background:
  radial-gradient(120% 115% at 70% 50%, transparent 26%, rgba(5,5,15,.5) 66%, rgba(5,5,15,.9) 100%),
  linear-gradient(90deg, rgba(5,5,15,.97) 0%, rgba(5,5,15,.93) 24%, rgba(5,5,15,.66) 44%, rgba(5,5,15,.14) 70%, rgba(5,5,15,.34) 100%),
  linear-gradient(180deg, rgba(5,5,15,.94) 0%, rgba(5,5,15,0) 26%, rgba(5,5,15,0) 70%, rgba(5,5,15,.9) 100%)}

/* smooth, scroll-driven cross-fade: each section rises out of darkness and
   sinks back into it, so the homepage→01 and series→series handoffs glide
   instead of snapping. Falls back to fully-visible where unsupported. */
@keyframes seriesFade{
  0%{opacity:0}
  20%{opacity:1}
  80%{opacity:1}
  100%{opacity:0}
}
@supports (animation-timeline: view()){
  @media (prefers-reduced-motion: no-preference){
    .series{
      animation:seriesFade linear both;
      animation-timeline:view();
      animation-range:entry 0% exit 100%;
    }
  }
}
.series__grid{position:relative;z-index:2;width:100%;
  display:grid;grid-template-columns:1fr auto;grid-template-rows:auto 1fr auto;
  gap:24px;padding:clamp(90px,11vh,150px) clamp(24px,5vw,80px) clamp(50px,8vh,90px)}
.series__lead{grid-column:1;grid-row:1;display:flex;flex-direction:column;gap:10px}
.series__index{font-family:var(--mono);font-size:13px;letter-spacing:.1em;color:var(--accent)}
.series__index i{color:var(--ink3);font-style:normal;font-size:11px;margin-left:4px}
.series__code{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--ink2)}

.series__body{grid-column:1;grid-row:2;align-self:center;display:flex;flex-direction:column;
  gap:18px;max-width:680px;
  transform:translateY(26px);transition:transform 1s .12s cubic-bezier(.2,.7,.2,1)}
.series.is-vis .series__body{transform:none}
.series__name{font-weight:300;font-size:clamp(40px,6.5vw,92px);line-height:.98;letter-spacing:-.02em}
.series__local{font-family:var(--mono);font-size:13px;letter-spacing:.06em;color:var(--ink2);
  margin-top:-6px}
.series__tag{font-weight:300;font-size:clamp(17px,1.7vw,24px);line-height:1.45;color:var(--ink);
  max-width:34ch;text-wrap:pretty}
.series__foot{display:flex;align-items:center;gap:26px;margin-top:10px;flex-wrap:wrap}
.series__meta{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;color:var(--ink3);
  text-transform:uppercase}
.series__enter{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);
  font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);
  padding:13px 22px;border:1px solid var(--line);border-radius:40px;transition:.3s;
  text-decoration:none}
.series__enter:hover{border-color:var(--accent);color:#fff;
  box-shadow:0 0 0 1px var(--accent),0 0 26px -6px var(--accent)}
.series__arrow{transition:transform .3s}
.series__enter:hover .series__arrow{transform:translateX(5px)}

.series__count{grid-column:2;grid-row:1/4;align-self:end;justify-self:end;
  display:flex;flex-direction:column;align-items:flex-end;
  transform:translateY(18px);transition:transform 1s .28s cubic-bezier(.2,.7,.2,1)}
.series.is-vis .series__count{transform:none}
.series__countv{font-family:var(--mono);font-weight:500;font-size:clamp(54px,8vw,128px);
  line-height:.9;color:var(--ink);
  -webkit-text-stroke:1px rgba(230,237,243,.55);color:transparent}
.series__countl{font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink3);margin-top:8px}

/* rarity badge */
.rbadge{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--rc);
  padding:7px 15px;border:1px solid color-mix(in srgb,var(--rc) 55%,transparent);
  border-radius:40px;background:color-mix(in srgb,var(--rc) 10%,transparent);
  box-shadow:0 0 22px -10px var(--rc)}
.rbadge__star{font-size:10px}

/* =========================================================
   FOOTER
   ========================================================= */
.foot{position:relative;z-index:5;background:var(--bg2);border-top:1px solid var(--line);
  padding:clamp(50px,9vh,110px) clamp(24px,5vw,80px);
  display:flex;flex-direction:column;gap:16px;align-items:center;text-align:center}
.foot>*{white-space:nowrap;max-width:100%}
.foot__rocket{height:64px;width:auto;margin-bottom:6px;
  filter:drop-shadow(0 4px 18px rgba(247,147,26,.28));transition:transform .35s ease,filter .35s ease}
.foot__rocket:hover{transform:translateY(-3px);filter:drop-shadow(0 8px 24px rgba(247,147,26,.45))}
@media (max-width:600px){.foot__rocket{height:54px}}
.foot__mark{font-family:var(--mono);font-size:13px;letter-spacing:.2em;color:var(--ink);
  display:flex;align-items:center;gap:10px}
.foot__line{font-family:var(--mono);font-size:11.5px;color:var(--ink2);letter-spacing:.04em}
.foot__meta{font-family:var(--mono);font-size:10.5px;color:var(--ink3);letter-spacing:.16em}

/* =========================================================
   BOOT LOADER
   ========================================================= */
.boot{position:fixed;inset:0;z-index:200;background:var(--bg);
  display:flex;align-items:center;justify-content:center;transition:opacity .7s}
.boot--leave{opacity:0;pointer-events:none}
.boot__inner{width:min(560px,86vw);padding:0 8px}
.boot__brand{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:12px;
  letter-spacing:.24em;color:var(--ink);margin-bottom:34px}
.boot__sigil{color:var(--blue);filter:drop-shadow(0 0 8px var(--blue))}
.boot__log{font-family:var(--mono);font-size:13px;line-height:2.0;min-height:140px;color:var(--ink2)}
.boot__line{opacity:0;animation:fadein .3s forwards}
.boot__ok{color:var(--green)}
.boot__cursorline .blink{color:var(--blue)}
@keyframes fadein{to{opacity:1}}
.boot__bar{height:1px;background:var(--line);margin:26px 0 12px;overflow:hidden}
.boot__fill{height:100%;background:linear-gradient(90deg,var(--blue),var(--cyan));
  box-shadow:0 0 12px var(--blue);transition:width .5s ease}
.boot__meta{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.14em;color:var(--ink3)}
.boot__actions{margin-top:34px;min-height:44px;display:flex;justify-content:center}
.boot__enter{font-family:var(--mono);font-size:13px;letter-spacing:.2em;color:#fff;
  padding:14px 34px;border:1px solid rgba(88,166,255,.5);border-radius:40px;
  background:rgba(88,166,255,.1);box-shadow:0 0 30px -8px var(--blue);transition:.3s;
  animation:rise .5s both}
.boot__enter:hover{background:rgba(88,166,255,.2);box-shadow:0 0 40px -6px var(--blue)}
.boot__skip{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--ink3);
  text-transform:uppercase;transition:.2s}
.boot__skip:hover{color:var(--ink)}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:900px){
  .nav__links{display:none}
  .nav__right .lang{display:none}
  .burger{display:flex}
  .nav{padding:18px 22px}

  /* all hero variants collapse to bottom-stacked */
  .hero__layout,
  .hero__layout--a,.hero__layout--b,.hero__layout--c{
    flex-direction:column;justify-content:flex-end;align-items:flex-start;
    text-align:left;gap:20px;padding:90px 24px 96px}
  .hero__layout--c .hero__terminal{display:none}
  .hero__layout--c .hero__cLeft{width:100%}
  .hero__bBlock{gap:18px;width:100%}
  .hero__title{font-size:clamp(40px,11vw,68px) !important;letter-spacing:-.02em}
  .hero__alt{font-size:15px !important}
  .hero__sub{font-size:11px}
  .hero__stats{display:grid;grid-template-columns:1fr 1fr;gap:20px 28px;width:100%}
  .stat__v{font-size:30px}
  .hero__sig{display:none}
  .hero__eyebrow{font-size:10px;flex-wrap:wrap;gap:8px}

  .series__grid{grid-template-columns:1fr;grid-template-rows:auto auto auto;
    padding:96px 24px 80px;gap:18px}
  .series__count{grid-column:1;grid-row:3;justify-self:start;align-self:start;
    flex-direction:row;align-items:baseline;gap:12px}
  .series__countv{font-size:64px}
  .series__name{font-size:clamp(38px,11vw,60px)}
  .series__tag{font-size:17px}
  .series__scrim{background:
    linear-gradient(0deg, rgba(5,5,15,.96) 8%, rgba(5,5,15,.6) 42%, rgba(5,5,15,.28) 78%, rgba(5,5,15,.8) 100%)}
  .series__foot{gap:16px}
}
@media (max-width:480px){
  .hero__stats{gap:16px 20px}
  .stat__v{font-size:26px}
  .series__countv{font-size:52px}
}