/* ===== 0. RESET ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body,h1,h2,h3,h4,h5,p,ul,ol,li,dl,dd,figure,blockquote,section{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:0}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
summary{list-style:none}
summary::-webkit-details-marker{display:none}

/* ===== 1. TOKENS ===== */
:root{
  --ink:#0A1220;
  --panel:#122036;
  --paper:#F3E9D7;
  --red:#7C1F2C;
  --cyan:#3BE0C4;
  --gold:#E3A94E;
  --mute:#8A99AC;
  --white:#FBF8F2;
  --tide:#12363C;
  --line:rgba(243,233,215,.14);
  --line-soft:rgba(243,233,215,.08);
  --header-h:84px;
  --font-display:"Helvetica Neue","Arial Narrow","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-mono:"SFMono-Regular","JetBrains Mono",Menlo,Consolas,"Courier New",monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}

/* ===== 2. BASE ===== */
body{
  background-color:var(--ink);
  background-image:
    radial-gradient(1200px 620px at 10% -10%,rgba(59,224,196,.07),transparent 62%),
    radial-gradient(900px 520px at 104% 4%,rgba(124,31,44,.30),transparent 64%),
    repeating-linear-gradient(115deg,rgba(18,54,60,.55) 0 1px,transparent 1px 86px);
  background-attachment:fixed;
  color:var(--white);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
h1,h2,h3,h4{font-weight:500;line-height:1.2}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
::selection{background:var(--cyan);color:var(--ink)}

.font-display{
  font-family:var(--font-display);
  font-weight:200;
  font-stretch:condensed;
  letter-spacing:-.025em;
  line-height:1.02;
}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.index-label{font-family:var(--font-mono);font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--mute)}
.text-cyan{color:var(--cyan)}
.text-gold{color:var(--gold)}
.mute{color:var(--mute)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ===== 3. SKIP LINK ===== */
.skip-link{
  position:fixed;top:10px;left:12px;z-index:999;
  transform:translateY(-200%);
  padding:10px 18px;
  background:var(--cyan);color:var(--ink);
  font-family:var(--font-mono);font-size:13px;letter-spacing:.12em;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%);
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ===== 4. BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:11px 20px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.1em;line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%);
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-solid{background:var(--cyan);color:var(--ink)}
.btn-solid:hover{background:var(--gold);color:var(--ink)}
.btn-ghost{border-color:rgba(243,233,215,.34);color:var(--paper)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-line{background:var(--red);color:var(--paper)}
.btn-line:hover{background:var(--gold);color:var(--ink)}

/* ===== 5. LAYOUT ===== */
.container{width:100%;max-width:1280px;margin:0 auto;padding-inline:clamp(18px,4vw,40px)}
.container--wide{max-width:1440px}
.container--narrow{max-width:820px}
.section{padding-block:clamp(48px,7vw,104px)}
.section--tight{padding-block:clamp(26px,4vw,56px)}
.section-head{display:grid;gap:14px;margin-bottom:clamp(24px,3vw,44px);max-width:72ch}
.eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.26em;color:var(--gold);text-transform:uppercase}
.section-title{font-family:var(--font-display);font-weight:200;font-stretch:condensed;font-size:clamp(30px,5vw,64px);line-height:1.04;letter-spacing:-.02em;color:var(--paper);text-wrap:balance}
.section-lede{color:var(--mute);font-size:16.5px;max-width:64ch}
.grid{display:grid;gap:clamp(16px,2vw,28px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.grid--4{grid-template-columns:repeat(auto-fit,minmax(196px,1fr))}
.grid--asym{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr)}
@media (max-width:900px){.grid--asym{grid-template-columns:1fr}}
.rule-line{height:1px;background:linear-gradient(90deg,var(--cyan),rgba(227,169,78,.5) 55%,transparent);border:0}

/* ===== 6. CUT PANELS & DATA ATOMS ===== */
.cut-panel{
  --cut:18px;
  position:relative;
  background:var(--panel);
  border:1px solid var(--line-soft);
  padding:clamp(20px,2.6vw,32px);
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%);
  transition:box-shadow .28s var(--ease),transform .28s var(--ease);
}
.cut-panel:hover{box-shadow:inset 0 0 0 1px var(--cyan),0 26px 52px -34px rgba(0,0,0,.92)}
.cut-panel--paper{background:var(--paper);color:var(--ink);border-color:rgba(10,18,32,.12)}
.cut-panel--paper .section-lede,.cut-panel--paper .mute{color:#4A5A6E}
.cut-panel--red{background:var(--red);color:var(--paper);border-color:transparent}
.cut-panel--flat{background:transparent;border-color:var(--line)}

.data-chip{
  display:inline-flex;align-items:baseline;gap:9px;
  padding:7px 11px;
  background:rgba(10,18,32,.72);
  border:1px solid var(--line-soft);
  font-family:var(--font-mono);font-size:13px;
  clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,0 100%);
}
.data-chip__label{font-size:10.5px;letter-spacing:.2em;color:var(--mute);text-transform:uppercase}
.data-chip__value{color:var(--cyan)}
.data-chip--gold .data-chip__value{color:var(--gold)}
.data-chip--plain .data-chip__value{color:var(--paper)}

.tag{
  display:inline-block;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  padding:4px 10px;border:1px solid currentColor;color:var(--cyan);
}
.tag--gold{color:var(--gold)}
.tag--red{background:var(--red);border-color:transparent;color:var(--paper)}
.tag--paper{color:var(--paper);border-color:rgba(243,233,215,.4)}

.timeline-band{
  display:flex;align-items:stretch;
  overflow-x:auto;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding-block:12px;
  scrollbar-width:thin;
}
.timeline-band__tick{
  flex:0 0 auto;
  padding:2px 18px;
  border-right:1px solid var(--line-soft);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--mute);
}
.timeline-band__tick[aria-current="true"],.timeline-band__tick.is-current{color:var(--cyan)}

/* ===== 7. MEDIA FRAME ===== */
.media-frame{
  position:relative;overflow:hidden;
  background:linear-gradient(142deg,var(--panel),var(--tide));
  border:1px solid var(--line-soft);
  clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,0 100%);
}
.media-frame::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(59,224,196,.10) 0 1px,transparent 1px 46px);
}
.media-frame img{position:relative;width:100%;height:100%;object-fit:cover}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--3x2{aspect-ratio:3/2}
.media-frame--1x1{aspect-ratio:1/1}
.media-frame--tall{aspect-ratio:3/4}
.media-frame__caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:12px 16px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;
  color:var(--paper);
  background:linear-gradient(0deg,rgba(10,18,32,.9),transparent);
}

/* ===== 8. BREADCRUMB ===== */
.breadcrumb{padding-block:14px;border-bottom:1px solid var(--line-soft)}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.12em}
.breadcrumb-list li{display:flex;align-items:center;gap:10px;color:var(--mute)}
.breadcrumb-list li+li::before{content:"/";color:rgba(243,233,215,.3)}
.breadcrumb-link{color:var(--mute);transition:color .2s var(--ease)}
.breadcrumb-link:hover{color:var(--cyan)}
.breadcrumb-current{color:var(--paper)}

/* ===== 9. HEADER ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  isolation:isolate;
  background-color:transparent;
  color:var(--paper);
  transition:background-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(10,18,32,.86) 0%,rgba(10,18,32,.34) 58%,rgba(10,18,32,0) 100%);
  transition:opacity .3s var(--ease);
}
.site-header[data-state="solid"]{
  background-color:rgba(10,18,32,.97);
  box-shadow:0 1px 0 var(--line),0 24px 46px -32px rgba(0,0,0,.95);
}
.site-header[data-state="solid"]::before{opacity:0}

.header-inner{
  max-width:1440px;margin:0 auto;
  padding:16px clamp(16px,4vw,40px) 14px;
  display:flex;align-items:center;gap:clamp(14px,3vw,36px);
}
.brand-block{display:flex;align-items:center;gap:clamp(14px,2vw,26px);min-width:0}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 auto;
  display:grid;place-items:center;
  background:var(--red);color:var(--paper);
  font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;
  clip-path:polygon(0 0,100% 0,100% 70%,72% 100%,0 100%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.24;min-width:0}
.brand-name{font-size:17px;font-weight:500;letter-spacing:.02em;white-space:nowrap}
.brand-sub{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;
  color:var(--mute);text-transform:uppercase;white-space:nowrap;
}
.lottery-rail{
  display:flex;align-items:center;gap:2px;
  padding-left:clamp(12px,2vw,22px);
  border-left:1px solid var(--line);
}
.lottery-chip{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;
  color:var(--mute);padding:6px 9px;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.lottery-chip:hover{color:var(--cyan);background:rgba(59,224,196,.09)}

.nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:9px 13px;
  border:1px solid rgba(243,233,215,.32);
  color:var(--paper);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;
  cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle-bar{position:relative;width:18px;height:2px;background:currentColor;flex:0 0 auto}
.nav-toggle-bar::before,.nav-toggle-bar::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
  transition:transform .24s var(--ease);
}
.nav-toggle-bar::before{top:-6px}
.nav-toggle-bar::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after{transform:translateY(-6px) rotate(-45deg)}

.site-nav{
  display:flex;flex:1;min-width:0;
  align-items:center;justify-content:flex-end;
  gap:clamp(14px,2.4vw,34px);
}
.nav-list{display:flex;align-items:center;gap:clamp(8px,1.5vw,24px)}
.nav-item{flex:0 0 auto}
.nav-link{
  position:relative;
  display:flex;flex-direction:column;gap:3px;
  padding:8px 2px;
  color:var(--paper);opacity:.82;
  transition:opacity .2s var(--ease),color .2s var(--ease);
}
.nav-index{font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;color:var(--mute);transition:color .2s var(--ease)}
.nav-label{font-size:15px;letter-spacing:.04em;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--cyan);
  transition:right .28s var(--ease);
}
.nav-link:hover{opacity:1}
.nav-link:hover::after{right:0}
.nav-link[aria-current="page"]{opacity:1;color:var(--white)}
.nav-link[aria-current="page"] .nav-index{color:var(--gold)}
.nav-link[aria-current="page"]::after{right:0}
.nav-aside{display:flex;align-items:center;gap:10px;flex:0 0 auto}

.nav-scrim{
  position:fixed;inset:0;z-index:170;
  background:rgba(10,18,32,.72);
  opacity:0;pointer-events:none;
  transition:opacity .28s var(--ease);
}
.site-header[data-nav-open="true"] .nav-scrim{opacity:1;pointer-events:auto}
.scroll-progress{position:absolute;left:0;right:0;bottom:0;height:2px;pointer-events:none}
.scroll-progress-bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--gold));
}

@media (max-width:1240px){
  .lottery-rail{display:none}
}
@media (max-width:1020px){
  .header-inner{gap:12px}
  .nav-toggle{display:inline-flex;margin-left:auto;position:relative;z-index:190}
  .site-nav{
    position:fixed;top:0;right:0;
    width:min(88vw,380px);height:100dvh;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:0;
    padding:96px 26px 40px;
    overflow-y:auto;
    background:var(--ink);
    border-left:1px solid var(--line);
    transform:translateX(100%);
    visibility:hidden;
    z-index:180;
    transition:transform .3s var(--ease),visibility .3s var(--ease);
  }
  .site-nav[data-open="true"]{transform:translateX(0);visibility:visible}
  .nav-list{
    flex-direction:column;align-items:stretch;gap:0;
    border-left:1px solid rgba(59,224,196,.4);
  }
  .nav-link{
    flex-direction:row;align-items:baseline;gap:14px;
    padding:15px 0 15px 18px;opacity:.9;
  }
  .nav-label{font-size:17px}
  .nav-link::before{
    content:"";position:absolute;left:-1px;top:50%;
    width:10px;height:1px;background:var(--cyan);opacity:.55;
  }
  .nav-link::after{display:none}
  .nav-aside{flex-direction:column;align-items:stretch;margin-top:28px;gap:12px}
  .nav-aside .btn{width:100%}
}
@media (max-width:620px){
  .brand-sub{display:none}
  .brand-name{font-size:15.5px}
  .brand-mark{width:34px;height:34px;font-size:12px}
}

/* ===== 10. FOOTER ===== */
.site-footer{
  position:relative;
  margin-top:clamp(64px,9vw,132px);
  background:var(--panel);
  border-top:1px solid var(--line);
  color:var(--white);
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(59,224,196,.07) 0 1px,transparent 1px 92px);
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 72%);
  mask-image:linear-gradient(180deg,#000,transparent 72%);
}
.footer-inner{
  position:relative;
  max-width:1440px;margin:0 auto;
  padding:clamp(44px,6vw,80px) clamp(18px,4vw,40px) 30px;
  display:grid;gap:clamp(28px,4vw,52px);
}
.footer-brand{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
}
.footer-tagline{font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;color:var(--mute)}
.footer-columns{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(20px,3vw,44px)}
.footer-col-title{
  position:relative;
  padding-left:15px;
  margin-bottom:16px;
  font-family:var(--font-mono);font-size:12px;font-weight:500;
  letter-spacing:.22em;color:var(--gold);
}
.footer-col-title::before{
  content:"";position:absolute;left:0;top:1px;
  width:3px;height:15px;background:var(--red);
}
.footer-list{display:grid;gap:10px}
.footer-link{
  display:inline-block;
  font-size:14.5px;color:var(--mute);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.footer-link:hover{color:var(--cyan);padding-left:5px}
.footer-list--contact{gap:14px}
.footer-item{display:grid;gap:3px}
.footer-key{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;color:var(--mute);text-transform:uppercase}
.footer-value{font-family:var(--font-mono);font-size:14px;color:var(--paper);word-break:break-word;line-height:1.6}
.footer-value--text{font-family:var(--font-body);font-size:14px;color:var(--paper)}
.footer-legal{
  margin-top:20px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--mute);
}
.footer-base{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.footer-note{font-size:12.5px;color:var(--mute);letter-spacing:.04em}
@media (max-width:1020px){
  .footer-columns{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:620px){
  .footer-columns{grid-template-columns:1fr}
  .footer-brand{align-items:flex-start}
}

/* ===== 11. REVEAL & DISCLOSURE ===== */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}

.disclosure{border-top:1px solid var(--line)}
.disclosure:last-child{border-bottom:1px solid var(--line)}
.disclosure__summary{
  display:flex;align-items:baseline;gap:16px;
  padding:18px 0;
  cursor:pointer;
  font-size:17px;color:var(--paper);
  transition:color .2s var(--ease);
}
.disclosure__summary:hover{color:var(--cyan)}
.disclosure__summary::after{
  content:"+";margin-left:auto;
  font-family:var(--font-mono);font-size:18px;line-height:1;color:var(--cyan);
}
.disclosure[open] .disclosure__summary{color:var(--white)}
.disclosure[open] .disclosure__summary::after{content:"−";color:var(--gold)}
.disclosure__index{font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;color:var(--mute);flex:0 0 auto}
.disclosure__body{padding:0 0 22px;color:var(--mute);font-size:16px;max-width:78ch}

/* ===== 12. REDUCED MOTION ===== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  [data-reveal]{opacity:1;transform:none}
  .nav-link::after{transition:none}
}