:root{--ink:#060913;--ink2:#0A1020;--line:rgba(140,160,255,.14);--glass:rgba(255,255,255,.04);--blue:#3D7BFF;--violet:#8B5CF6;--text:#E9EDFA;--muted:#8F9AB8;--ok:#34D399;--display:'Sora','Segoe UI',system-ui,sans-serif;--body:'IBM Plex Sans','Segoe UI',system-ui,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--ink);color:var(--text);font:400 1rem/1.6 var(--body);background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;background-attachment:fixed}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(60% 50% at 80% 0%,rgba(61,123,255,.22),transparent 70%),radial-gradient(45% 40% at 5% 35%,rgba(139,92,246,.14),transparent 70%),linear-gradient(var(--ink),rgba(6,9,19,.82))}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
section{padding:104px 0}
h2,h3{font-family:var(--display);font-weight:600;line-height:1.1;letter-spacing:-.02em}
h2{font-size:clamp(1.8rem,3.6vw,2.8rem);max-width:20ch;margin-bottom:16px}
h3{font-size:1.35rem;margin-bottom:14px}
p.lead{color:var(--muted);font-size:1.125rem;max-width:56ch}
.glass{background:var(--glass);border:1px solid var(--line);border-radius:16px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.btn{display:inline-flex;align-items:center;padding:14px 26px;border-radius:12px;font:500 1rem var(--body);transition:transform .15s,border-color .15s}
.btn:hover{transform:translateY(-2px)}
.btn.primary{background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff;box-shadow:0 8px 32px rgba(61,123,255,.35)}
.btn.ghost{border:1px solid var(--line);color:var(--text);background:rgba(255,255,255,.025)}
.btn.ghost:hover{border-color:rgba(61,123,255,.35)}
nav{position:sticky;top:0;z-index:10;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(6,9,19,.7);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font:700 1.25rem var(--display);letter-spacing:-.02em}
.logo i{font-style:normal;color:var(--blue)}
nav ul{display:flex;gap:28px;list-style:none;color:var(--muted);font-size:.95rem}
nav ul a:hover{color:var(--text)}
nav .btn{padding:10px 20px;font-size:.9rem}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;color:var(--blue);font:600 .72rem var(--display);letter-spacing:.16em;text-transform:uppercase}
.eyebrow::before{content:"";width:24px;height:1px;background:linear-gradient(90deg,var(--blue),var(--violet))}
.problem-section{min-height:70vh;display:flex;align-items:center}
.section-intro,.how-header{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:end}
.section-intro h2,.how-header h2{max-width:15ch;margin:0}
.section-intro h2 span,.how-header h2 span{display:block}
.section-intro .lead{max-width:52ch;margin-bottom:4px}
.problem-bottom{display:flex;align-items:center;gap:18px;margin-top:56px;color:var(--muted);font-size:.86rem}
.bottom-line{width:48px;height:1px;flex:none;background:linear-gradient(90deg,var(--blue),var(--violet))}
.problem-bottom b{color:var(--text);font-weight:500}
.how-section{background:linear-gradient(180deg,transparent,rgba(61,123,255,.035),transparent)}
.how-header{margin-bottom:58px}
.protocol-expansion{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:42px}
.expansion-copy p{color:var(--muted);max-width:58ch}
.protocol-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.protocol-pill{display:flex;align-items:center;gap:12px;min-width:0;padding:14px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.025)}
.protocol-pill.active{border-color:rgba(61,123,255,.35);box-shadow:0 0 28px rgba(61,123,255,.08)}
.protocol-mark{width:38px;height:38px;flex:none;display:grid;place-items:center;border-radius:10px;background:var(--ink2);border:1px solid var(--line);color:var(--blue);font:600 .8rem var(--display)}
.protocol-pill strong{display:block;font:500 .9rem var(--display)}
.protocol-pill small{display:block;margin-top:2px;color:var(--muted);font-size:.72rem}
.how-bottom{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:34px;color:var(--muted);font-size:.9rem}
.how-bottom i{color:var(--blue);font-style:normal}
.how-bottom strong,.how-bottom b{color:var(--text);font-weight:500}
.diff{background:linear-gradient(180deg,transparent,rgba(61,123,255,.07),transparent)}
.diff h2{max-width:none;font-size:clamp(2.2rem,5.6vw,4.4rem);line-height:1.05}
.diff h2 span{display:block}
.diff h2 span:nth-child(2){color:var(--blue)}
.diff h2 span:nth-child(3){color:var(--violet)}
.statement{margin-top:42px;font:500 1.15rem var(--display);padding:20px 26px;border-left:3px solid var(--violet);background:var(--glass);border-radius:0 12px 12px 0;max-width:720px}

/* preview flow */
.preview-section{padding-top:104px}
#preview h2{max-width:none;margin:0}
.preview-intro{margin-top:14px;color:var(--muted);max-width:62ch}
.preview-flow{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:44px}
.preview-card{overflow:hidden;padding:0;box-shadow:0 24px 80px rgba(0,0,0,.22);transition:transform .2s,border-color .2s}
.preview-card:hover{transform:translateY(-4px);border-color:rgba(61,123,255,.32)}
.preview-card-wide{grid-column:1/-1}
.preview-card-head{display:flex;align-items:center;gap:14px;padding:18px 20px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.018)}
.preview-step{width:34px;height:34px;display:grid;place-items:center;flex:none;border:1px solid rgba(61,123,255,.3);border-radius:10px;background:rgba(61,123,255,.07);color:var(--blue);font:600 .72rem var(--display)}
.preview-card-head strong{display:block;font:600 .95rem var(--display)}
.preview-card-head small{display:block;margin-top:2px;color:var(--muted);font-size:.76rem}
.preview-image{padding:16px;background:rgba(0,0,0,.12)}
.preview-image img{display:block;width:100%;height:auto;border-radius:11px;border:1px solid rgba(140,160,255,.12);box-shadow:0 14px 40px rgba(0,0,0,.28)}
.preview-note{margin-top:18px;color:var(--muted);font-size:.82rem}

/* hero */
.hero{min-height:calc(100vh - 68px);display:flex;align-items:center;padding:88px 0}
.hero .wrap{display:grid;grid-template-columns:1fr .9fr;gap:72px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:9px;margin-bottom:22px;padding:7px 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:.78rem;background:rgba(255,255,255,.025)}
.badge b{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 12px rgba(52,211,153,.7)}
.hero h1{max-width:11ch;margin-bottom:22px;font-size:clamp(3rem,6vw,5.3rem);font-family:var(--display);font-weight:700;line-height:1.1;letter-spacing:-.02em}
.hero .lead{max-width:55ch;margin-bottom:30px}
.cta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}

.flow{
  position:relative;
  padding:22px;
  box-shadow:0 24px 80px rgba(0,0,0,.28);
  overflow:hidden;
}


.fnode{display:flex;align-items:center;gap:14px;padding:15px 12px;border-bottom:1px solid var(--line)}
.fnode:last-child{border-bottom:0}
.fnode.you{background:rgba(61,123,255,.055);border-radius:10px}
.dot{width:42px;height:42px;flex:none;display:grid;place-items:center;border:1px solid rgba(61,123,255,.28);border-radius:11px;color:#fff;background:rgba(61,123,255,.08);font:600 .68rem var(--display)}
.fnode strong,.fnode span{display:block}
.fnode strong{margin-bottom:2px;font:500 .92rem var(--display)}
.fnode span{color:var(--muted);font-size:.78rem}
.preview-step{
  display:grid;
  place-items:center;
  width:42px;
  height:42px;
  flex:none;
  border-radius:12px;

  background:linear-gradient(135deg,var(--blue),var(--violet));
  color:#fff;

  font:700 .85rem var(--display);
  letter-spacing:.04em;

  border:1px solid rgba(255,255,255,.18);
  box-shadow:
    0 0 20px rgba(61,123,255,.28),
    inset 0 1px 0 rgba(255,255,255,.18);
}

/* roadmap */

.roadmap{
  padding:104px 0;
}

.roadmap-header{
  max-width:720px;
  margin-bottom:58px;
}

.roadmap-header .eyebrow{
  display:inline-block;
  margin-bottom:16px;
  color:var(--blue);
  font:600 .78rem var(--display);
  letter-spacing:.12em;
}

.roadmap-header h2{
  max-width:24ch;
  margin:0;
}

.roadmap-timeline{
  position:relative;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:14px;
}

.roadmap-timeline::before{
  content:"";
  position:absolute;
  top:21px;
  left:8%;
  right:8%;
  height:2px;
  background:linear-gradient(
    90deg,
    var(--blue),
    var(--violet)
  );
  opacity:.45;
}

.roadmap-phase{
  position:relative;
  min-width:0;
}

.roadmap-marker{
  position:relative;
  z-index:2;
  width:44px;
  height:44px;
  margin-bottom:20px;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:linear-gradient(
    135deg,
    var(--blue),
    var(--violet)
  );
  border:1px solid rgba(255,255,255,.18);
  box-shadow:
    0 0 22px rgba(61,123,255,.25),
    inset 0 1px 0 rgba(255,255,255,.18);
}

.roadmap-marker span{
  color:#fff;
  font:700 .78rem var(--display);
  letter-spacing:.04em;
}

.roadmap-card{
  height:100%;
  padding:24px 20px;
}

.roadmap-top{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:10px;
  margin-bottom:24px;
}

.roadmap-quarter{
  display:block;
  font:600 .9rem var(--display);
  color:var(--text);
}

.roadmap-date{
  display:block;
  margin-top:4px;
  color:var(--muted);
  font-size:.68rem;
  letter-spacing:.04em;
}

.roadmap-status{
  flex:none;
  padding:4px 8px;
  border:1px solid rgba(61,123,255,.28);
  border-radius:999px;
  color:var(--blue);
  font:600 .62rem var(--display);
  letter-spacing:.06em;
}

.roadmap-card h3{
  margin-bottom:18px;
  font-size:.95rem;
  line-height:1.25;
}

.roadmap-card ul{
  display:grid;
  gap:10px;
  list-style:none;
}

.roadmap-card li{
  position:relative;
  padding-left:15px;
  color:var(--muted);
  font-size:.78rem;
  line-height:1.45;
}

.roadmap-card li::before{
  content:"";
  position:absolute;
  left:0;
  top:.62em;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--blue);
  box-shadow:0 0 8px rgba(61,123,255,.45);
}

/* final */
.final{text-align:center}
.final h2{max-width:none;margin:0 auto 16px}
.final .lead{margin:0 auto 36px}
.final .cta{justify-content:center}
.final .glass{padding:72px 24px;background:radial-gradient(70% 90% at 50% 0%,rgba(61,123,255,.2),transparent),var(--glass)}
footer{border-top:1px solid var(--line);padding:56px 0 40px;font-size:.9rem;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
footer ul{display:flex;gap:24px;list-style:none;flex-wrap:wrap}
footer ul a:hover{color:var(--text)}
footer .tech{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}
footer .tech span{padding:7px 16px;border-radius:99px;border:1px solid var(--line);background:var(--glass);font-size:.85rem;color:var(--muted)}

@media(max-width:980px){
  section{padding:80px 0}
  nav ul{display:none}
  .section-intro,.how-header{grid-template-columns:1fr;gap:24px}
  .problem-section{min-height:auto}
  .protocol-expansion{grid-template-columns:1fr;gap:32px}
  .hero .wrap{grid-template-columns:1fr;gap:48px}
  .hero h1{max-width:14ch}
  .preview-flow{grid-template-columns:1fr}
  .preview-card-wide{grid-column:auto}
  .roadmap-timeline{
    grid-template-columns:repeat(2,1fr);
    gap:20px;
  }

  .roadmap-timeline::before{
    display:none;
  }
}

@media(max-width:620px){
  section{padding:64px 0}
  .wrap{padding:0 18px}
  nav .btn{display:none}
  .protocol-expansion{padding:24px}
  .protocol-list{grid-template-columns:1fr}
  .how-bottom{flex-wrap:wrap;justify-content:flex-start}
  .diff h2{font-size:clamp(2rem,10vw,3rem)}
  .hero{min-height:auto;padding:64px 0}
  .hero h1{font-size:clamp(2.6rem,12vw,4rem)}
  .preview-flow{gap:18px;margin-top:32px}
  .preview-card-head{padding:15px 16px}
  .preview-image{padding:10px}
  .roadmap{
    padding:64px 0;
  }

  .roadmap-timeline{
    grid-template-columns:1fr;
  }

  .roadmap-marker{
    margin-bottom:12px;
  }
}

@media(prefers-reduced-motion:reduce){
  .flow::after{
    animation:none;
    opacity:0;
  }
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.preview-card{transition:none}}