/* ===== reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;min-height:100vh}
img,svg,video{max-width:100%;height:auto;display:block}
button{font:inherit;color:inherit;background:none}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0;font-family:var(--font-head);font-weight:700;letter-spacing:-.02em}

/* ===== tokens ===== */
:root{
  --deep-green:#0B2B26;
  --charcoal:#101418;
  --glass-green:rgba(18,59,51,.62);
  --ember:#FF5A2B;
  --ember-deep:#D63A12;
  --cyan:#2FE3D0;
  --mist:#E8F1EE;
  --sage:#7A9992;
  --wine:#7A1F3D;
  --indigo:#1B2A6B;
  --bone:#F5F1E8;
  --amber:#F2B33D;
  --line:rgba(47,227,208,.18);
  --hair:rgba(122,153,146,.26);
  --font-display:'Barlow Condensed','Oswald','DIN Alternate','HarmonyOS Sans SC',sans-serif;
  --font-head:'Source Han Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-body:'Source Han Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,monospace;
  --shell-max:1520px;
  --rail-w:116px;
  --header-h:56px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ===== base ===== */
body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--mist);
  background-color:var(--deep-green);
  background-image:
    linear-gradient(to right,rgba(47,227,208,.07) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(47,227,208,.07) 1px,transparent 1px);
  background-size:96px 96px;
  background-attachment:fixed;
}
p{margin:0 0 1em;max-width:68ch}
p:last-child{margin-bottom:0}
::selection{background:var(--ember);color:#101418}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;box-shadow:0 0 0 4px rgba(11,43,38,.9)}

.skip-link{
  position:fixed;left:14px;top:-70px;z-index:200;
  padding:10px 16px;border-radius:2px;
  background:var(--cyan);color:var(--charcoal);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;
  transition:top .18s var(--ease);
}
.skip-link:focus{top:12px;text-decoration:none}
.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,43,38,.94);
  border-bottom:1px solid var(--line);
}
@supports ((-webkit-backdrop-filter:blur(10px)) or (backdrop-filter:blur(10px))){
  .site-header{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:rgba(11,43,38,.82)}
}
.site-header__bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  max-width:var(--shell-max);height:var(--header-h);margin:0 auto;
  padding:0 clamp(14px,3vw,40px);
}
.site-header__brand{display:flex;align-items:center;min-width:0}
.brand{display:flex;align-items:center;gap:10px;color:var(--mist)}
.brand:hover{text-decoration:none}
.brand__mark{
  flex:0 0 auto;display:grid;place-items:center;
  width:28px;height:28px;border-radius:2px;
  border:1px solid rgba(47,227,208,.5);
  background:linear-gradient(140deg,rgba(47,227,208,.16),rgba(18,59,51,.5));
  color:var(--cyan);
}
.brand__mark svg{width:15px;height:15px}
.brand__text{display:flex;flex-direction:column;line-height:1.1;min-width:0}
.brand__name{font-family:var(--font-head);font-weight:700;font-size:15px;letter-spacing:-.01em;color:var(--mist)}
.brand__tagline{margin-top:3px;font-family:var(--font-mono);font-size:9.5px;letter-spacing:.16em;color:var(--sage);white-space:nowrap}

.nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:8px 12px;border:1px solid var(--line);border-radius:2px;
  color:var(--mist);cursor:pointer;
}
.nav-toggle__bars{display:flex;flex-direction:column;gap:4px;width:18px}
.nav-toggle__bars span{display:block;height:1.5px;background:var(--cyan);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--sage)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

.site-nav{display:flex;align-items:center;gap:clamp(6px,1.4vw,18px)}
.site-nav__list{display:flex;align-items:center;gap:clamp(4px,1vw,14px)}
.site-nav__item{position:relative}
.site-nav__link{
  position:relative;display:inline-block;padding:6px 2px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;
  color:var(--sage);white-space:nowrap;
  transition:color .18s var(--ease);
}
.site-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.site-nav__link:hover{color:var(--mist);text-decoration:none}
.site-nav__link:hover::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{color:var(--ember)}
.site-nav__link[aria-current="page"]::after{background:var(--ember);transform:scaleX(1)}
.site-nav__cta{padding:8px 14px;font-size:11px}

.progress{position:relative;height:2px;background:rgba(47,227,208,.12);overflow:hidden}
.progress__fill{
  display:block;height:100%;width:100%;
  background-image:linear-gradient(90deg,var(--cyan),var(--ember));
  transform:scaleX(0);transform-origin:left center;
  transition:transform .12s linear;
}

/* ===== footer ===== */
.site-footer{
  position:relative;margin-top:clamp(64px,10vw,140px);
  background:var(--charcoal);
  border-top:1px solid var(--line);
  color:var(--mist);
}
.site-footer__inner{max-width:var(--shell-max);margin:0 auto;padding:clamp(40px,6vw,72px) clamp(16px,4vw,52px) clamp(28px,4vw,40px)}
.site-footer__grid{display:grid;grid-template-columns:1fr;gap:clamp(28px,4vw,48px)}
.site-footer__logo{
  margin:0 0 12px;font-family:var(--font-head);font-weight:700;
  font-size:17px;letter-spacing:-.01em;color:var(--mist);
}
.site-footer__desc{margin:0;max-width:34em;font-size:14.5px;line-height:1.8;color:var(--sage)}
.footer-nav{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3vw,36px)}
.footer-nav__title{
  margin:0 0 14px;font-family:var(--font-mono);font-weight:400;
  font-size:11px;letter-spacing:.18em;color:var(--cyan);text-transform:uppercase;
}
.footer-nav__list{display:flex;flex-direction:column;gap:9px}
.footer-nav__link{
  font-size:14.5px;color:var(--sage);
  border-bottom:1px solid transparent;transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-nav__link:hover{color:var(--mist);border-bottom-color:var(--cyan);text-decoration:none}
.footer-contact__rows{display:flex;flex-direction:column;gap:10px}
.footer-contact__row{display:flex;flex-wrap:wrap;gap:10px;align-items:baseline}
.footer-contact__key{
  flex:0 0 auto;min-width:64px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--sage);
}
.footer-contact__val{font-size:14.5px;color:var(--mist);word-break:break-word}
.footer-contact__note{margin:14px 0 0;max-width:30em;font-size:13.5px;line-height:1.7;color:var(--sage)}
.site-footer__legal{
  position:sticky;bottom:0;z-index:5;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 24px;
  padding:13px clamp(16px,4vw,52px);
  border-top:1px solid var(--hair);
  background:linear-gradient(180deg,rgba(16,20,24,.94),rgba(11,43,38,.98));
}
.site-footer__legal-line{
  margin:0;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--sage);
}

/* ===== layout ===== */
.content{
  width:100%;max-width:var(--shell-max);margin:0 auto;
  padding:0 clamp(16px,4vw,48px);
}
.stack{display:flex;flex-direction:column;gap:clamp(16px,2.4vw,26px)}
.grid{display:grid;gap:clamp(18px,2.4vw,28px)}
.grid--2{grid-template-columns:1fr}
.grid--3{grid-template-columns:1fr}

/* ===== section head ===== */
.section-head{position:relative;padding-left:18px;margin-bottom:clamp(20px,3vw,34px)}
.section-head::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:38px;
  background-image:linear-gradient(180deg,var(--ember),var(--ember-deep));
  transform:skewY(-10deg);
}
.section-index{display:block;font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;color:var(--cyan);margin-bottom:8px;text-transform:uppercase}
.section-title{margin:0 0 10px;font-size:clamp(26px,3.2vw,36px);line-height:1.15;color:var(--mist)}
.section-note{margin:0;font-size:15.5px;line-height:1.75;color:var(--sage);max-width:46em}

/* ===== surfaces ===== */
.glass{background:var(--glass-green);border:1px solid var(--line);border-radius:3px}
.solid{background:var(--bone);color:#141C1A;border:1px solid rgba(16,20,24,.12);border-radius:3px}
.solid a{color:var(--ember-deep)}
.panel{padding:clamp(20px,3vw,32px)}
.conclusion{
  position:relative;background:var(--bone);color:#141C1A;border-radius:3px;
  padding:clamp(26px,4vw,48px);
}
.conclusion::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:4px;
  background-image:linear-gradient(90deg,var(--ember),var(--amber),var(--cyan));
}
.conclusion__title{margin:0 0 12px;font-size:clamp(20px,2.4vw,26px);color:#141C1A}
.conclusion p{color:#3A4744}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  padding:10px 18px;border:1px solid transparent;border-radius:2px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.16em;line-height:1;
  text-transform:uppercase;cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn:hover{text-decoration:none}
.btn--primary{background-image:linear-gradient(120deg,var(--ember),var(--ember-deep));color:#12100E;border-color:transparent}
.btn--primary:hover{transform:translateY(-1px);box-shadow:0 10px 22px -14px rgba(255,90,43,.95)}
.btn--ghost{color:var(--cyan);border-color:rgba(47,227,208,.45);background-color:rgba(47,227,208,.06)}
.btn--ghost:hover{color:var(--mist);border-color:var(--cyan);background-color:rgba(47,227,208,.16)}
.btn--quiet{color:var(--sage);border-color:var(--hair)}
.btn--quiet:hover{color:var(--mist);border-color:var(--sage)}

/* ===== breadcrumb ===== */
.breadcrumb{padding:22px 0 0}
.breadcrumb__list{display:flex;flex-wrap:wrap;gap:9px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;color:var(--sage)}
.breadcrumb__link{color:var(--sage);border-bottom:1px solid rgba(47,227,208,.35)}
.breadcrumb__link:hover{color:var(--cyan);text-decoration:none}
.breadcrumb__sep{color:rgba(122,153,146,.6)}

/* ===== stats ===== */
.stat{display:flex;flex-direction:column;gap:4px}
.stat__num{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(56px,7vw,110px);line-height:.92;letter-spacing:-.02em;color:var(--mist);
}
.stat__label{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.18em;color:var(--sage);text-transform:uppercase}
.stat--ember .stat__num{
  background-image:linear-gradient(120deg,var(--ember),var(--ember-deep));
  -webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;
}

/* ===== leaderboard ===== */
.index-list{width:100%}
.index-row{
  display:grid;grid-template-columns:52px minmax(0,1fr) auto;align-items:center;gap:14px;
  min-height:52px;padding:8px 14px;
  background:var(--glass-green);
  border-bottom:1px solid var(--hair);
  transition:background-color .18s var(--ease),transform .18s var(--ease);
}
.index-row:hover,.index-row:focus-within{background:rgba(18,59,51,.85);transform:translateX(2px)}
.index-row__rank{font-family:var(--font-display);font-size:26px;font-weight:600;line-height:1;color:var(--sage)}
.index-row--podium .index-row__rank{
  background-image:linear-gradient(120deg,var(--ember),var(--ember-deep));
  -webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;
}
.index-row__name{font-size:15.5px;color:var(--mist);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.index-row__value{font-family:var(--font-display);font-size:24px;font-weight:600;line-height:1;color:var(--mist)}
.index-row__delta{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--sage);margin-left:8px}
.index-row__delta[data-dir="up"]{color:var(--cyan)}
.index-row__delta[data-dir="down"]{color:var(--ember)}

/* ===== tags ===== */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border:1px solid currentColor;border-radius:2px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;line-height:1.5;
}
.tag--cyan{color:var(--cyan)}
.tag--amber{color:var(--amber)}
.tag--ember{background-image:linear-gradient(120deg,var(--ember),var(--ember-deep));color:#101418;border-color:transparent}
.tag--wine{background:rgba(122,31,61,.55);color:#F3C7D6;border-color:rgba(243,199,214,.45)}
.tag--indigo{background:rgba(27,42,107,.55);color:#C6CFF7;border-color:rgba(198,207,247,.45)}

/* ===== cards ===== */
.card{
  display:flex;flex-direction:column;
  background:var(--glass-green);
  border:1px solid var(--line);border-radius:3px;overflow:hidden;
  color:inherit;
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.card:hover{border-color:rgba(47,227,208,.5);transform:translateY(-2px);text-decoration:none}
.card__body{display:flex;flex-direction:column;gap:10px;padding:18px}
.card__title{margin:0;font-size:18px;line-height:1.35;color:var(--mist)}
.card__meta{margin:0;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--sage)}

/* ===== timeline ===== */
.timeline{position:relative;overflow-x:auto;padding:34px 0 16px}
.timeline__track{position:relative;display:flex;min-width:max-content;padding:0 4px}
.timeline__track::before{content:"";position:absolute;left:0;right:0;top:9px;height:1px;background:var(--hair)}
.timeline__node{position:relative;flex:0 0 156px;padding:32px 18px 0 0}
.timeline__dot{
  position:absolute;top:4px;left:0;width:11px;height:11px;border-radius:50%;
  background:var(--deep-green);border:1.5px solid var(--cyan);
  transition:background-color .2s var(--ease),box-shadow .2s var(--ease);
}
.timeline__node.is-lit .timeline__dot{background:var(--cyan);box-shadow:0 0 0 4px rgba(47,227,208,.16)}
.timeline__label{display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--sage)}
.timeline__node.is-lit .timeline__label{color:var(--mist)}
.timeline__title{margin:6px 0 0;font-size:15px;line-height:1.4;color:var(--mist)}

/* ===== path ===== */
.path{display:block}
.path__step{position:relative;margin-left:14px;padding:0 0 30px 44px;border-left:1px solid rgba(47,227,208,.28)}
.path__step:last-child{border-left-color:transparent;padding-bottom:0}
.path__num{
  position:absolute;left:-14px;top:0;display:grid;place-items:center;
  width:28px;height:28px;border-radius:50%;
  background:var(--cyan);color:var(--charcoal);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;
}
.path__title{margin:2px 0 6px;font-size:17px;color:var(--mist)}
.path__text{margin:0;font-size:15px;line-height:1.7;color:var(--sage);max-width:56ch}

/* ===== media ===== */
.media{
  position:relative;display:block;overflow:hidden;border-radius:3px;
  background-color:rgba(18,59,51,.7);
  border:1px solid var(--line);
  isolation:isolate;
}
.media--band{aspect-ratio:21/9}
.media--wide{aspect-ratio:16/9}
.media--square{aspect-ratio:1/1}
.media--tall{aspect-ratio:4/5}
.media__ph{
  position:absolute;inset:0;z-index:0;display:grid;place-items:center;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;color:rgba(122,153,146,.9);
  background-image:repeating-linear-gradient(135deg,rgba(47,227,208,.08) 0 1px,transparent 1px 14px);
}
.media__img{position:absolute;inset:0;z-index:1;width:100%;height:100%;object-fit:cover;object-position:center}
.media__grid{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(47,227,208,.10) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(47,227,208,.10) 1px,transparent 1px);
  background-size:32px 32px;
}
.media__caption{
  position:absolute;left:0;right:0;bottom:0;z-index:3;
  display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;
  padding:12px 14px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--mist);
  background-image:linear-gradient(180deg,rgba(11,43,38,0),rgba(11,43,38,.92));
}
.media__index{color:var(--cyan)}

/* ===== rail ===== */
.rail{
  position:fixed;left:0;top:var(--header-h);bottom:0;width:var(--rail-w);z-index:40;
  display:none;padding:44px 0 44px 24px;
  opacity:0;transform:translateX(-8px);pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.rail.is-visible{opacity:1;transform:none;pointer-events:auto}
.rail__list{display:flex;flex-direction:column;gap:18px}
.rail__item{position:relative}
.rail__link{
  display:grid;grid-template-columns:auto 1fr;gap:8px;align-items:baseline;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  color:var(--sage);transition:color .2s var(--ease),transform .2s var(--ease);
}
.rail__link:hover{color:var(--mist);text-decoration:none}
.rail__link.is-active{color:var(--ember);transform:translateX(3px)}
.rail__num{color:inherit;opacity:.7}
.rail__label{color:inherit}

/* ===== reveal ===== */
[data-reveal].reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
[data-reveal].reveal.is-in{opacity:1;transform:none}

/* ===== responsive ===== */
@media (min-width:640px){
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:900px){
  .site-footer__grid{grid-template-columns:minmax(0,1.15fr) minmax(0,1.2fr) minmax(0,1fr)}
}
@media (min-width:1080px){
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (min-width:1100px){
  .content{padding-left:calc(var(--rail-w) + 32px)}
  .rail{display:block}
}
@media (max-width:1100px){
  .stat__num{font-size:clamp(52px,9vw,84px)}
}
@media (max-width:920px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:fixed;left:0;right:0;top:var(--header-h);
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    max-height:calc(100vh - var(--header-h));overflow-y:auto;
    padding:16px clamp(14px,4vw,32px) 28px;
    background:var(--charcoal);
    border-bottom:1px solid rgba(47,227,208,.24);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease);
  }
  .site-nav[data-open]{opacity:1;visibility:visible;transform:translateY(0)}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__item{border-bottom:1px dashed rgba(122,153,146,.28)}
  .site-nav__link{display:block;padding:14px 2px;font-size:13px;letter-spacing:.1em}
  .site-nav__link::after{display:none}
  .site-nav__link[aria-current="page"]{color:var(--ember)}
  .site-nav__cta{margin-top:18px;width:100%}
  .site-footer__legal{position:static}
}
@media (max-width:640px){
  body{background-size:56px 56px}
  .brand__tagline{display:none}
  .footer-nav{grid-template-columns:1fr}
  .index-row{grid-template-columns:44px minmax(0,1fr) auto;gap:10px;padding:8px 10px}
  .index-row__rank{font-size:22px}
  .index-row__value{font-size:20px}
}
@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].reveal{opacity:1;transform:none}
  .rail{opacity:1;transform:none;pointer-events:auto}
  .progress__fill{transition:none}
}