:root{
  --red:#ff0000;
  --mag:#ff006e;
  --ink:#1a1a2e;
  --panel:#12122a;
  --fg:#f3effc;
  --dim:#a7a1c6;
  --serif:'Newsreader',Georgia,'Times New Roman',serif;
  --sans:'Roboto',system-ui,-apple-system,'Segoe UI','Noto Sans SC',sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --railw:248px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.72;
  color:var(--fg);
  background-color:var(--ink);
  background-image:
    linear-gradient(rgba(255,0,110,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,0,110,.055) 1px,transparent 1px),
    radial-gradient(880px 620px at 8% -8%,rgba(255,0,110,.22),transparent 62%),
    radial-gradient(760px 540px at 98% 6%,rgba(255,0,0,.17),transparent 64%);
  background-size:76px 76px,76px 76px,auto,auto;
  background-attachment:fixed,fixed,scroll,scroll;
}
body::before{
  content:"";position:fixed;inset:0;z-index:70;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(180deg,rgba(5,5,16,.6) 0 1px,rgba(255,255,255,0) 1px 3px);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
p{margin:0 0 1.05em}
:focus-visible{outline:2px solid var(--mag);outline-offset:3px}

.rail{
  position:fixed;inset:0 auto 0 0;width:var(--railw);z-index:80;
  display:flex;flex-direction:column;gap:2rem;
  padding:1.6rem 1.25rem;
  border-right:1px solid rgba(255,0,110,.38);
  background:linear-gradient(180deg,rgba(17,17,36,.97),rgba(17,17,36,.88));
  box-shadow:0 0 40px rgba(255,0,110,.16),inset -2px 0 0 rgba(255,0,0,.22);
}
.brand{
  display:flex;align-items:center;gap:.6rem;min-height:44px;padding:.35rem 0;
  font-family:var(--serif);font-size:1.15rem;line-height:1.2;letter-spacing:.06em;
}
.brand-mark,.brand-glyph{width:40px;height:40px;flex:0 0 40px;object-fit:cover;border:1px solid rgba(255,0,110,.6)}
.brand-glyph{
  display:grid;place-items:center;font-family:var(--serif);font-size:1.2rem;color:#fff;
  background:linear-gradient(140deg,var(--red),var(--mag));
  text-shadow:0 0 10px rgba(255,255,255,.7);
  box-shadow:0 0 18px rgba(255,0,110,.55);
}
.brand-text{color:#fff;text-shadow:0 0 14px rgba(255,0,110,.7)}
.rail-nav{flex:1 1 auto;min-width:0}
.rail-details{position:relative}
.rail-summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;gap:.6rem;min-height:44px;padding:.4rem 0;
  font-family:var(--mono);font-size:.82rem;letter-spacing:.3em;color:var(--mag);
  text-shadow:0 0 12px rgba(255,0,110,.8);
}
.rail-summary::-webkit-details-marker{display:none}
.rail-summary::after{content:"";flex:1 1 auto;height:1px;background:linear-gradient(90deg,rgba(255,0,110,.7),transparent)}
.rail-menu{list-style:none;margin:0;padding:0}
.rail-menu a{
  display:flex;align-items:center;min-height:44px;padding:.35rem .5rem;
  font-size:1rem;color:var(--dim);
  border-bottom:1px solid rgba(255,0,110,.14);
  transition:color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.rail-menu a:hover,.rail-menu a:focus-visible{
  color:#fff;transform:translateX(4px);box-shadow:inset 2px 0 0 var(--red);
  text-shadow:0 0 12px rgba(255,0,110,.9);
}

.stage{
  margin-left:var(--railw);max-width:1200px;
  padding:clamp(1rem,3vw,2.3rem) clamp(1rem,3vw,2.6rem) 2.5rem;
  display:grid;grid-template-columns:minmax(0,1fr) 248px;
  gap:clamp(1.4rem,3vw,3rem);align-items:start;
}

.hero{
  position:relative;overflow:hidden;display:grid;place-items:center;text-align:center;
  min-height:min(70vh,580px);padding:clamp(2.4rem,7vw,4.5rem) 1.1rem;
  border:1px solid rgba(255,0,110,.45);
  background:linear-gradient(155deg,rgba(255,0,0,.24),rgba(17,17,36,.92) 48%,rgba(255,0,110,.3));
  box-shadow:0 0 48px rgba(255,0,110,.22),inset 0 0 60px rgba(255,0,0,.12);
}
.hero-media{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero-media img{
  width:100%;height:100%;object-fit:cover;opacity:.45;
  transform:scale(1.08);will-change:transform;
  filter:saturate(1.25) contrast(1.05);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:radial-gradient(circle at 50% 45%,rgba(17,17,36,.3),rgba(17,17,36,.88));
}
.hero-ghost{
  position:absolute;z-index:1;left:50%;top:50%;transform:translate(-50%,-50%) skewX(-6deg);
  font-family:var(--serif);font-size:clamp(4rem,17vw,12rem);line-height:1;white-space:nowrap;
  color:transparent;-webkit-text-stroke:1px rgba(255,0,110,.55);
  opacity:.5;pointer-events:none;user-select:none;
}
.hero-copy{position:relative;z-index:2;max-width:22em}
.hero-title{
  position:relative;margin:0;font-family:var(--serif);font-weight:600;
  font-size:clamp(2rem,5.6vw,3.9rem);line-height:1.06;color:#fff;
  text-shadow:0 0 18px rgba(255,0,110,.75),0 0 46px rgba(255,0,0,.4);
}
.hero-title::before,.hero-title::after{
  content:attr(data-text);position:absolute;inset:0;pointer-events:none;
}
.hero-title::before{
  color:#ff4d4d;transform:translate(-3px,-1px);clip-path:inset(0 0 58% 0);
  animation:gl-a 4.5s infinite steps(2,end);
}
.hero-title::after{
  color:#ff52a3;transform:translate(3px,1px);clip-path:inset(56% 0 0 0);
  animation:gl-b 5.4s infinite steps(2,end);
}
@keyframes gl-a{
  0%,86%,100%{transform:translate(-3px,-1px)}
  90%{transform:translate(-8px,-2px) skewX(4deg)}
  94%{transform:translate(2px,1px)}
}
@keyframes gl-b{
  0%,88%,100%{transform:translate(3px,1px)}
  92%{transform:translate(7px,2px) skewX(-4deg)}
  96%{transform:translate(-2px,0)}
}

.sheet{counter-reset:sec;min-width:0}
.sheet>article:not(.hero){
  position:relative;counter-increment:sec;
  padding:2.2rem 0 1.6rem;border-top:1px solid rgba(255,0,110,.26);
  scroll-margin-top:96px;
}
.sheet>article:not(.hero)::before{
  content:counter(sec,decimal-leading-zero);
  position:absolute;right:0;top:1.9rem;
  font-family:var(--mono);font-size:.8rem;letter-spacing:.22em;
  color:var(--mag);opacity:.85;text-shadow:0 0 10px rgba(255,0,110,.85);
}
.sheet h2{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.22;
  margin:.2rem 0 .9rem;color:#fff;
  text-shadow:0 0 16px rgba(255,0,110,.45);
}
.sheet h2::after{
  content:"";display:block;width:64px;height:2px;margin-top:.6rem;
  background:linear-gradient(90deg,var(--red),var(--mag),transparent);
  box-shadow:0 0 12px rgba(255,0,110,.8);
}
.sheet h3{font-family:var(--serif);font-size:1.22rem;margin:1.5rem 0 .5rem;color:#ffd9e8}
.sheet ul,.sheet ol{padding-left:1.15rem;margin:0 0 1.1em}
.sheet li{margin:.32em 0}
.sheet li::marker{color:var(--mag)}
.sheet strong{color:#fff;text-shadow:0 0 12px rgba(255,0,110,.6)}
.sheet a{border-bottom:1px solid rgba(255,0,110,.45)}
.sheet a:hover{color:#fff}
.sheet img{margin:1rem 0;border:1px solid rgba(255,0,110,.3)}
.sheet table{
  width:100%;border-collapse:collapse;margin:1rem 0;font-size:.95rem;
  display:block;overflow-x:auto;
}
.sheet th,.sheet td{border:1px solid rgba(255,0,110,.3);padding:.5rem .7rem;text-align:left}
.sheet th{background:rgba(255,0,110,.12);font-family:var(--mono);font-size:.8rem;letter-spacing:.1em;color:#ffd0e2}
.sheet blockquote{
  margin:1rem 0;padding:.7rem 1rem;border-left:2px solid var(--mag);
  background:rgba(255,0,110,.07);color:#ffe6f0;
}
.sheet small{
  display:block;font-family:var(--mono);font-size:.78rem;letter-spacing:.28em;
  color:var(--mag);text-shadow:0 0 10px rgba(255,0,110,.7);
}

.jump{
  position:sticky;top:1.5rem;align-self:start;min-width:0;
  padding-left:1.1rem;border-left:1px solid rgba(255,0,110,.32);
}
.jump-kicker{
  display:block;font-family:var(--mono);font-size:.76rem;letter-spacing:.3em;
  color:var(--mag);text-shadow:0 0 10px rgba(255,0,110,.8);
}
.jump-title{margin:.25rem 0 .8rem;font-family:var(--serif);font-size:1.3rem;color:#fff}
.jump-menu{list-style:none;margin:0;padding:0}
.jump-menu a{
  display:flex;align-items:center;min-height:44px;padding:.3rem 0;
  font-size:.95rem;color:var(--dim);
  border-bottom:1px dashed rgba(255,0,110,.18);
  transition:color .2s ease,padding-left .2s ease;
}
.jump-menu a:hover,.jump-menu a:focus-visible{
  color:#fff;padding-left:.35rem;text-shadow:0 0 12px rgba(255,0,110,.9);
}

.site-foot{
  margin-left:var(--railw);max-width:1200px;
  display:grid;grid-template-columns:1.6fr 1fr .9fr auto;
  gap:1.6rem;align-items:start;
  padding:2rem clamp(1rem,3vw,2.6rem) 2.4rem;
  border-top:1px solid rgba(255,0,110,.4);
  background:linear-gradient(180deg,rgba(255,0,110,.09),transparent 72%);
}
.foot-logo{
  font-family:var(--serif);font-size:clamp(2rem,5vw,3.4rem);line-height:1;letter-spacing:.02em;color:#fff;
  text-shadow:0 0 22px rgba(255,0,110,.8),0 0 52px rgba(255,0,0,.45);
}
.foot-menu{list-style:none;margin:0;padding:0;columns:2;column-gap:1rem}
.foot-menu a{display:flex;align-items:center;min-height:40px;font-size:.92rem;color:var(--dim)}
.foot-menu a:hover{color:#fff;text-shadow:0 0 12px rgba(255,0,110,.9)}
.foot-copy{
  font-family:var(--mono);font-size:.8rem;letter-spacing:.08em;color:var(--dim);
  text-align:center;padding-top:.6rem;
}
.foot-copy p{margin:0}
.foot-top{text-align:right}
.foot-top a{
  display:inline-flex;align-items:center;min-height:44px;padding:0 .85rem;
  border:1px solid rgba(255,0,110,.5);
  font-family:var(--mono);font-size:.8rem;letter-spacing:.14em;color:#ffd0e2;
  box-shadow:0 0 14px rgba(255,0,110,.25);
}
.foot-top a:hover{background:rgba(255,0,110,.16);color:#fff}

@media(max-width:980px){
  .rail{
    position:sticky;inset:0 0 auto 0;width:auto;z-index:80;
    flex-direction:row;align-items:center;justify-content:space-between;gap:.8rem;
    padding:.55rem .9rem;border-right:0;border-bottom:1px solid rgba(255,0,110,.4);
    box-shadow:0 8px 26px rgba(5,5,16,.7);
  }
  .rail-nav{flex:0 0 auto}
  .brand-text{font-size:1rem}
  .rail-menu{
    position:absolute;right:0;top:calc(100% + .55rem);min-width:min(76vw,270px);
    padding:.5rem .8rem;background:var(--panel);
    border:1px solid rgba(255,0,110,.5);box-shadow:0 18px 40px rgba(0,0,0,.7);
  }
  .rail-menu a{border-bottom:1px solid rgba(255,0,110,.16)}
  .stage{margin-left:0;grid-template-columns:minmax(0,1fr);gap:2rem;padding:1rem 1rem 2rem}
  .hero{min-height:64vh}
  .sheet>article:not(.hero){scroll-margin-top:86px;padding:1.8rem 0 1.3rem}
  .jump{position:static;border-left:0;border-top:1px solid rgba(255,0,110,.3);padding:1.2rem 0 0}
  .jump-menu{display:grid;grid-template-columns:1fr 1fr;gap:0 .8rem}
  .site-foot{margin-left:0;grid-template-columns:1fr;gap:1.1rem;text-align:center;padding:1.6rem 1rem 2rem}
  .foot-menu{text-align:left}
  .foot-top{text-align:center}
}
@media(max-width:420px){
  body{font-size:16px}
  .hero-ghost{opacity:.38}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero-title::before,.hero-title::after{animation:none}
  .rail-menu a,.jump-menu a{transition:none}
  .hero-media img{transform:none}
}

button[aria-expanded]{min-width:44px;min-height:44px}