/* ===== Mass & Energy — anime.js-style monochrome ===== */
:root{
  --bg:#161719;
  --bg-2:#1b1c1f;
  --panel:#1d1e21;
  --ink:#e7e8ea;
  --grey:#9a9ca2;
  --dim:#74767c;
  --faint:#46484e;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --mass:#bfc4cc;       /* steel silver (matter) */
  --energy:#e8a020;     /* gold (energy) */
  --mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace;
  --disp:'Space Grotesk',system-ui,sans-serif;
  --maxw:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:var(--disp);font-weight:300;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{ /* subtle dot grid */
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:30px 30px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 40%,#000 40%,transparent 90%);
}
.mono{font-family:var(--mono);font-weight:400;letter-spacing:.02em}
.dim{color:var(--dim)}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
h1,h2,h3,h4{font-family:var(--disp);font-weight:300;line-height:1.1;letter-spacing:-.01em}

/* ===== NAV ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;gap:30px;
  padding:16px clamp(16px,4vw,40px);font-family:var(--mono);font-size:.82rem;
  border-bottom:1px solid transparent;transition:background .3s,border-color .3s,backdrop-filter .3s;
}
.nav.scrolled{background:rgba(22,23,25,.8);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.04em;font-size:.88rem}
.brand-mark{
  display:grid;place-items:center;width:30px;height:30px;border-radius:9px;flex:none;
  background:linear-gradient(140deg,rgba(255,255,255,.12),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.22), inset 0 -6px 10px -8px rgba(0,0,0,.6), 0 5px 16px -7px rgba(232,160,32,.55);
  transition:box-shadow .35s var(--ease),transform .35s var(--ease)}
.brand-mark svg{display:block;filter:drop-shadow(0 0 3px rgba(232,160,32,.45))}
.brand:hover .brand-mark{transform:translateY(-1px);box-shadow:inset 0 1px 0 rgba(255,255,255,.3), inset 0 -6px 10px -8px rgba(0,0,0,.6), 0 7px 20px -7px rgba(232,160,32,.8)}
.brand .amp{color:var(--dim)}
.nav-links{display:flex;gap:24px;margin-left:auto;color:var(--grey)}
.nav-links a{display:inline-flex;gap:6px;align-items:baseline;transition:color .2s}
.nav-links a span{color:var(--faint);font-size:.72rem}
.nav-links a:hover{color:var(--ink)}
.nav-cta{color:var(--ink);border:1px solid var(--line-2);padding:7px 14px;border-radius:3px;transition:border-color .2s,background .2s}
.nav-cta:hover{background:var(--ink);color:var(--bg)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:22px;height:1.5px;background:var(--ink);transition:.3s}

/* ===== Buttons (mono bracket style) ===== */
.mbtn{
  font-family:var(--mono);font-size:.82rem;color:var(--ink);
  border:1px solid var(--line-2);padding:11px 16px;border-radius:3px;display:inline-block;
  transition:background .2s,color .2s,border-color .2s,transform .2s;white-space:nowrap;
}
.mbtn:hover{background:var(--ink);color:var(--bg);transform:translateY(-1px)}
.mbtn.block{display:block;text-align:center;margin-top:22px}

/* ===== Pinned scroll-scrub hero ===== */
.stage{position:relative;height:320vh;z-index:1}
.stage-pin{position:sticky;top:0;height:100vh;overflow:hidden}
#instrument{position:absolute;inset:0;width:100%;height:100%;display:block}
.hud{position:absolute;inset:0;pointer-events:none;z-index:2}
.hud > *{position:absolute}
.hud .mono{font-size:.78rem}
.hud-tl{top:clamp(80px,12vh,120px);left:clamp(16px,4vw,40px);display:flex;flex-direction:column;gap:4px}
.hud-headline{top:50%;left:clamp(16px,4vw,40px);transform:translateY(-50%);max-width:min(46vw,560px)}
.hud-headline h1{font-size:clamp(2.2rem,5vw,4rem);font-weight:300;color:var(--ink);letter-spacing:-.02em}
.hud-headline .hl{color:var(--grey)}
.hud-readout{top:50%;right:clamp(16px,4vw,40px);transform:translateY(-50%);width:230px;color:var(--grey);display:flex;flex-direction:column;gap:9px;border:1px solid var(--line);padding:16px;border-radius:4px;background:rgba(22,23,25,.4);backdrop-filter:blur(3px)}
.ro-row{display:flex;justify-content:space-between;font-size:.74rem}
.ro-row b{color:var(--ink);font-weight:500}
.ro-bar{height:4px;border:1px solid var(--line-2);border-radius:2px;overflow:hidden}
.ro-fill{display:block;height:100%;width:0%;background:var(--grey);transition:width .1s linear}
.hud-bl{bottom:clamp(28px,6vh,56px);left:clamp(16px,4vw,40px);display:flex;gap:12px;pointer-events:auto}
.hud-bl.center{position:static;justify-content:center;margin-top:30px}
.hud-scroll{bottom:clamp(28px,6vh,56px);left:50%;transform:translateX(-50%);animation:pulse 2s var(--ease) infinite}
@keyframes pulse{0%,100%{opacity:.4}50%{opacity:.9}}

/* ===== Sections ===== */
.sec{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;padding:clamp(70px,10vw,130px) clamp(16px,4vw,40px);background:var(--bg)}
#thesis{border-top:1px solid var(--line)}
.sec-head{display:flex;align-items:center;gap:16px;font-family:var(--mono);font-size:.8rem;margin-bottom:44px;color:var(--grey)}
.sec-head .idx{color:var(--dim)}
.sec-head .label{text-transform:uppercase;letter-spacing:.18em;color:var(--ink)}
.sec-head .rule{flex:1;height:1px;background:var(--line)}
.sec-body{max-width:760px;margin-bottom:56px}
.sec-body h2,.buyback-body h2{font-size:clamp(1.7rem,3.6vw,2.7rem);font-weight:300;margin-bottom:18px;letter-spacing:-.02em}
.lead{color:var(--grey);font-size:clamp(1rem,1.5vw,1.14rem);max-width:64ch;font-weight:300}

/* Pillars */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
.pillar{padding:30px 26px 30px 0;border-right:1px solid var(--line)}
.pillar:last-child{border-right:0}
.p-no{color:var(--faint);font-size:.74rem;display:block;margin-bottom:18px}
.pillar h3{font-size:1.2rem;font-weight:400;margin-bottom:10px}
.pillar p{color:var(--grey);font-size:.96rem}

/* Tokens */
.token-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.token{border:1px solid var(--line);border-radius:5px;padding:30px;background:var(--bg-2);transition:border-color .3s,transform .3s;position:relative;overflow:hidden}
.token::after{content:"";position:absolute;left:0;top:0;height:2px;width:0;transition:width .4s var(--ease)}
.token.mass::after{background:var(--mass)}
.token.energy::after{background:var(--energy)}
.token:hover{transform:translateY(-3px)}
.token.mass:hover{border-color:rgba(191,196,204,.4)}
.token.energy:hover{border-color:rgba(232,160,32,.5)}
.token:hover::after{width:100%}
.t-top{display:flex;align-items:center;gap:9px;font-size:.78rem;color:var(--grey)}
.t-dot{width:7px;height:7px;border-radius:50%;flex:none}
.mass .t-dot{background:var(--mass)}
.energy .t-dot{background:var(--energy)}
.t-ticker{color:var(--ink);font-weight:600}
.t-name{font-size:clamp(2rem,4vw,2.8rem);font-weight:300;margin:16px 0 12px;letter-spacing:.02em}
.mass .t-name{color:var(--mass)}
.energy .t-name{color:var(--energy)}
.t-desc{color:var(--grey);font-size:.98rem;max-width:46ch}
.t-list{margin-top:22px;border-top:1px solid var(--line)}
.t-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:.82rem;color:var(--ink)}
.t-list li span{color:var(--faint)}

/* Flow / mechanism */
.flow{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.flow li{padding:28px 22px 28px 0;border-right:1px solid var(--line);position:relative}
.flow li:last-child{border-right:0}
.f-no{color:var(--faint);font-size:.78rem}
.flow h4{font-size:1.12rem;font-weight:400;margin:12px 0 8px}
.flow p{color:var(--grey);font-size:.92rem}

/* Buyback */
.buyback-body{border:1px solid var(--line);border-radius:6px;padding:clamp(30px,5vw,56px);background:var(--bg-2)}
.buyback-body .lead{margin-bottom:30px}
.bb-rows{display:flex;flex-direction:column;gap:12px;font-size:.92rem}
.bb-row{display:flex;align-items:center;gap:14px;padding:14px 18px;border:1px solid var(--line);border-radius:4px;color:var(--ink)}
.bb-arrow{color:var(--faint);margin:0 4px}
.bb-row.mass .t-dot{background:var(--mass)}
.bb-row.energy .t-dot{background:var(--energy)}

/* Market / why now */
.mkt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.mkt{border:1px solid var(--line);border-radius:8px;padding:22px 20px;background:var(--bg-2);display:flex;flex-direction:column;gap:8px;position:relative;overflow:hidden;min-height:150px}
.mkt::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%}
.mkt.m::before{background:var(--mass)} .mkt.e::before{background:var(--energy)}
.mkt b{font-family:var(--disp);font-weight:500;font-size:2rem;line-height:1}
.mkt.m b{color:var(--mass)} .mkt.e b{color:var(--energy)}
.mkt span{color:var(--grey);font-size:.92rem;line-height:1.42}
.mkt i{font-family:var(--mono);font-style:normal;font-size:.72rem;color:var(--faint);margin-top:auto;letter-spacing:.02em}
.fcst{font-family:var(--mono);font-size:.62em;color:var(--energy);letter-spacing:.06em;vertical-align:middle}
.mkt-note{margin-top:20px;border:1px solid var(--line);border-radius:8px;padding:28px;background:var(--panel);display:flex;flex-direction:column;gap:14px}
.mkt-note p{color:var(--grey);font-size:1rem;line-height:1.55;max-width:84ch}
.mkt-note p b{color:var(--ink);font-weight:600}

/* Assets */
.assets-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.asset-col{border:1px solid var(--line);border-radius:5px;padding:28px;background:var(--bg-2)}
.ac-head{display:flex;align-items:center;gap:9px;font-size:.8rem;color:var(--ink);padding-bottom:18px;margin-bottom:8px;border-bottom:1px solid var(--line)}
.mass .ac-head .t-dot{background:var(--mass)}
.energy .ac-head .t-dot{background:var(--energy)}
.asset-col dl div{padding:16px 0;border-bottom:1px solid var(--line)}
.asset-col dl div:last-child{border-bottom:0}
.asset-col dt{font-family:var(--mono);font-size:.86rem;color:var(--ink);margin-bottom:5px}
.asset-col dd{color:var(--grey);font-size:.92rem}

/* Roadmap */
.roadmap{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.roadmap li{padding:26px 22px 26px 0;border-right:1px solid var(--line)}
.roadmap li:last-child{border-right:0}
.r-phase{color:var(--dim);font-size:.76rem}
.roadmap h4{font-size:1.1rem;font-weight:400;margin:12px 0 8px}
.roadmap p{color:var(--grey);font-size:.9rem}

/* FAQ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:22px 0;font-size:1.05rem;font-weight:300;display:flex;gap:12px;align-items:baseline;transition:color .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q{color:var(--dim);font-size:.82rem}
.faq-item summary:hover{color:#fff}
.faq-item p{color:var(--grey);padding:0 0 24px 32px;max-width:70ch;font-size:.96rem}

/* Final */
.final{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;text-align:center;padding:clamp(70px,10vw,130px) clamp(16px,4vw,40px);border-top:1px solid var(--line);background:var(--bg)}
.final h2{font-size:clamp(1.9rem,4.5vw,3.2rem);font-weight:300;letter-spacing:-.02em}

/* Footer */
.footer{position:relative;z-index:1;border-top:1px solid var(--line);padding:50px clamp(16px,4vw,40px) 30px;background:var(--bg);font-size:.82rem}
.f-grid{max-width:var(--maxw);margin:0 auto;display:flex;gap:50px;flex-wrap:wrap}
.f-brand{display:flex;flex-direction:column;gap:8px;margin-right:auto;max-width:34ch}
.f-logo{color:var(--ink);font-weight:600;letter-spacing:.04em}
.f-col{display:flex;flex-direction:column;gap:9px}
.f-col a{color:var(--grey);transition:color .2s}
.f-col a:hover{color:var(--ink)}
.f-contracts{max-width:var(--maxw);margin:34px auto 0;display:flex;gap:28px;flex-wrap:wrap;padding-top:22px;border-top:1px solid var(--line)}
.f-contracts code{color:var(--ink)}
.f-bottom{max-width:var(--maxw);margin:20px auto 0;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.f-disc{max-width:64ch}

/* Reveal */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* Responsive */
@media (max-width:860px){
  .nav-links{display:none}
  .nav-cta{margin-left:auto}
  .nav-toggle{display:flex}
  .nav.open .nav-links{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:rgba(22,23,25,.97);backdrop-filter:blur(14px);padding:18px clamp(16px,4vw,40px);gap:16px;border-bottom:1px solid var(--line)}
  .nav-toggle.active span:nth-child(1){transform:translateY(3.5px) rotate(45deg)}
  .nav-toggle.active span:nth-child(2){transform:translateY(-3px) rotate(-45deg)}
  .pillars,.token-grid,.assets-grid,.flow,.roadmap,.mkt-grid{grid-template-columns:1fr}
  .pillar,.flow li,.roadmap li{border-right:0;border-bottom:1px solid var(--line);padding-right:0}
  .pillar:last-child,.flow li:last-child,.roadmap li:last-child{border-bottom:0}

  /* mobile hero: headline at the top, instrument is the centrepiece below it */
  .stage{height:240vh}
  .hud-headline{top:clamp(150px,19vh,198px);left:20px;right:20px;transform:none;max-width:none}
  .hud-headline h1{font-size:clamp(1.8rem,7.6vw,2.5rem)}
  .hud-readout{display:none}
  .hud-bl{flex-direction:column;gap:10px}
  .hud-bl .mbtn{text-align:center}
  /* let long button labels wrap instead of overflowing the viewport */
  .mbtn{white-space:normal;text-align:center}
}
@media (max-width:560px){
  .hud-headline h1{font-size:1.95rem}
  .f-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important}
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}