/* HELIX — shared design system (base.css)
   bio-lab / holographic theme */
:root{
  --bg:#070510;
  --bg-2:#0b0817;
  --panel:#100c1f;
  --panel-2:#151029;
  --line:#221b3a;
  --line-2:#31264f;
  --txt:#f0ecff;
  --muted:#9b93b8;
  --dim:#615a7e;
  --lime:#a6ff2e;      /* bio lime */
  --mag:#ff3cbf;       /* plasma magenta */
  --cyan:#31e6ff;      /* holo cyan */
  --gold:#ffd35c;
  --green:#3ce6a0;
  --red:#ff5a72;
  --radius:16px;
  --maxw:1180px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:var(--font);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:radial-gradient(780px 460px at 84% -6%,rgba(255,60,191,.16),transparent 60%),
             radial-gradient(820px 520px at 6% 4%,rgba(49,230,255,.12),transparent 60%),
             radial-gradient(600px 400px at 50% 110%,rgba(166,255,46,.08),transparent 60%)}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{position:relative}
img,svg{display:block}
.mono{font-family:var(--mono)}

.holo{background:linear-gradient(100deg,var(--cyan),var(--lime) 45%,var(--mag));
  -webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:holoshift 6s linear infinite}
@keyframes holoshift{to{background-position:200% center}}

.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--lime);display:inline-flex;align-items:center;gap:9px}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--lime);display:inline-block}
h1,h2,h3{line-height:1.08;letter-spacing:-.022em;font-weight:750}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 20px;border-radius:999px;
  font-weight:600;font-size:14.5px;transition:.2s cubic-bezier(.2,.7,.2,1);cursor:pointer;border:1px solid transparent;white-space:nowrap;font-family:var(--font)}
.btn.lg{padding:15px 26px;font-size:15.5px}
.btn.sm{padding:9px 14px;font-size:13px}
.btn.full{width:100%}
.btn-primary{background:var(--lime);color:#0a1400}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px -8px rgba(166,255,46,.5)}
.btn-glow{background:linear-gradient(100deg,var(--cyan),var(--mag));color:#0a0016;position:relative}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 12px 40px -8px rgba(255,60,191,.55)}
.btn-ghost{border-color:var(--line-2);color:var(--txt);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--lime);color:#fff;transform:translateY(-2px)}
.btn-danger{border-color:rgba(255,90,114,.4);color:var(--red);background:rgba(255,90,114,.06)}
.btn-danger:hover{border-color:var(--red);background:rgba(255,90,114,.12)}

/* NAV (shared) */
.nav{position:sticky;top:0;z-index:60;backdrop-filter:blur(16px);background:rgba(7,5,16,.66);border-bottom:1px solid var(--line);transition:.3s}
.nav.scrolled{background:rgba(7,5,16,.92);border-color:var(--line-2)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.1em;font-size:16px}
.logo .mark{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--mag));color:#0a0016;box-shadow:0 0 22px -4px var(--mag)}
.nav-links{display:flex;gap:26px;font-size:13.5px;color:var(--muted);font-family:var(--mono)}
.nav-links a{position:relative;transition:.2s}
.nav-links a:hover{color:var(--txt)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--lime);transition:.25s}
.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;gap:12px;align-items:center}
@media(max-width:940px){.nav-links{display:none}}

/* WALLET CHIP (shared) */
.wallet-chip{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12.5px;
  border:1px solid var(--line-2);border-radius:999px;padding:7px 8px 7px 14px;background:rgba(255,255,255,.02);color:var(--txt);cursor:pointer;transition:.2s}
.wallet-chip:hover{border-color:var(--cyan)}
.wallet-chip .net{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}
.wallet-chip .addr{color:var(--muted)}
.wallet-chip .bal{background:rgba(166,255,46,.1);border:1px solid rgba(166,255,46,.24);color:var(--lime);
  border-radius:999px;padding:3px 10px;font-size:11.5px}
.wallet-chip.disconnected .net{background:var(--dim);box-shadow:none}

/* MODAL (shared) */
.modal-back{position:fixed;inset:0;z-index:100;background:rgba(4,2,12,.72);backdrop-filter:blur(6px);
  display:none;place-items:center;padding:24px;animation:fade .2s ease}
.modal-back.open{display:grid}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal{width:100%;max-width:420px;background:linear-gradient(180deg,var(--panel-2),var(--bg-2));
  border:1px solid var(--line-2);border-radius:20px;padding:26px;animation:pop .25s cubic-bezier(.2,.7,.2,1)}
@keyframes pop{from{transform:translateY(14px) scale(.98);opacity:0}to{transform:none;opacity:1}}
.modal h3{font-size:20px;margin-bottom:6px}
.modal p.sub{color:var(--muted);font-size:14px;margin-bottom:20px}
.wallet-opt{display:flex;align-items:center;gap:14px;width:100%;text-align:left;padding:15px 16px;
  border:1px solid var(--line);border-radius:14px;background:var(--panel);color:var(--txt);cursor:pointer;transition:.18s;margin-bottom:10px;font-size:15px;font-weight:600}
.wallet-opt:hover{border-color:var(--cyan);transform:translateX(3px);background:var(--panel-2)}
.wallet-opt .wi{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-size:18px;flex-shrink:0}
.wallet-opt small{display:block;color:var(--dim);font-weight:400;font-family:var(--mono);font-size:11px;margin-top:2px}
.modal-close{margin-top:8px;width:100%;text-align:center;color:var(--dim);font-family:var(--mono);font-size:12px;background:none;border:none;cursor:pointer;padding:8px}
.modal-close:hover{color:var(--muted)}
.modal-note{font-family:var(--mono);font-size:11px;color:var(--dim);text-align:center;margin-top:14px;line-height:1.6}

/* MARQUEE */
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2);padding:14px 0;overflow:hidden}
.marquee-track{display:flex;white-space:nowrap;animation:scroll 36s linear infinite;font-family:var(--mono);font-size:12.5px;color:var(--dim);letter-spacing:.16em}
.marquee-track span{padding-right:28px}
@keyframes scroll{to{transform:translateX(-50%)}}

/* SECTION HEAD */
.sec{padding:100px 0}
.sec-head{max-width:680px}
.sec-head h2{font-size:clamp(27px,4.4vw,46px);margin:16px 0 0}
.sec-head p{color:var(--muted);margin-top:16px;font-size:17px}

/* toast */
.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(20px);z-index:120;
  background:var(--panel-2);border:1px solid var(--line-2);border-radius:12px;padding:13px 20px;
  font-family:var(--mono);font-size:13px;color:var(--txt);opacity:0;pointer-events:none;transition:.3s;box-shadow:0 20px 50px -20px rgba(0,0,0,.7)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast .tk{color:var(--lime)}

/* REVEAL */
.reveal{opacity:0;transform:translateY(26px);transition:.75s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* FOOTER (shared) */
footer{border-top:1px solid var(--line);padding:54px 0 42px;background:var(--bg-2)}
.foot-in{display:flex;justify-content:space-between;gap:34px;flex-wrap:wrap}
.foot-brand{max-width:300px}
.foot-brand .logo{margin-bottom:16px}
.foot-brand p{color:var(--muted);font-size:14px}
.foot-col h4{font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--dim);margin-bottom:14px}
.foot-col a{display:block;color:var(--muted);font-size:14px;padding:5px 0;transition:.2s}
.foot-col a:hover{color:var(--lime)}
.disclaimer{margin-top:44px;padding-top:24px;border-top:1px solid var(--line);color:var(--dim);font-size:12.5px;max-width:840px}

.cursor-glow{position:fixed;top:0;left:0;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(49,230,255,.09),transparent 65%);transform:translate(-50%,-50%);
  pointer-events:none;z-index:0;opacity:0;mix-blend-mode:screen}
@media(hover:hover){.cursor-glow{opacity:1}}