:root{
  --bg:#0b0c10;
  --text:#f7f7fb;
  --muted:rgba(247,247,251,.78);
  --faint:rgba(247,247,251,.55);
  --line:rgba(255,255,255,.10);
  --shadow:0 22px 70px rgba(0,0,0,.55);
  --r:18px;
  --max:1180px;
  --brand:#0284c7;
}
*{box-sizing:border-box}
html,body{height:100%}
html{
  scroll-behavior:smooth;
  scroll-padding-top:76px; /* nav */
}
body{
  margin:0;
  font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color:var(--text);
  background:var(--bg);
}
a{color:inherit; text-decoration:none}
a:hover{opacity:.92}
.container{max-width:var(--max); margin:0 auto; padding:0 24px}

/* Scroll snap */
.snap{scroll-snap-type:y mandatory}
.page{scroll-snap-align:start; scroll-snap-stop:always}

/* Nav */
.nav{
  position:fixed; top:0; left:0; right:0;
  z-index:20;
  background:rgba(11,12,16,.62);
  backdrop-filter: blur(12px);
  border-bottom:1px solid var(--line);
}
.nav__inner{display:flex; align-items:center; justify-content:space-between; height:64px}
.brand{display:flex; gap:10px; align-items:center; font-weight:700}
.brand__logo{width:22px; height:22px; display:block}
.brand__name{font-size:14px; letter-spacing:.2px}
.nav__links{display:flex; align-items:center; gap:14px; font-size:14px; color:var(--muted)}
.nav__links a{padding:8px 10px; border-radius:12px}
.nav__links a:hover{background:rgba(255,255,255,.06); color:var(--text)}

/* Buttons */
.button{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 16px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.08);
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.button:hover{transform: translateY(-1px); background:rgba(255,255,255,.10); border-color:rgba(255,255,255,.22)}
.button:active{transform: translateY(0px) scale(.99)}
.button--ghost{background:transparent}
.button--small{padding:9px 12px; font-size:13px}
.button--block{width:100%}

/* Typography */
h1, h2, h3{color:rgba(255,255,255,.98)}

/* Audience rotating word */
.audience{
  color:var(--brand);
  text-shadow:0 0 0 rgba(0,0,0,0);
  transition: opacity .22s ease, filter .22s ease;
}
.audience--fade{opacity:.25; filter: blur(1px)}

/* Hero (full screen) */
.hero{
  min-height:100svh;
  position:relative;
  display:flex;
  align-items:stretch;
}
.hero__bg{
  position:absolute; inset:0;
  background-image:
    url('https://images.unsplash.com/photo-1522071820081-009f0129c71c?auto=format&fit=crop&w=2200&q=70');
  background-size:cover;
  background-position:center;
  filter:saturate(.9) contrast(1.05);
}
.hero__overlay{
  position:absolute; inset:0;
  background:
    linear-gradient(90deg, rgba(11,12,16,.93) 0%, rgba(11,12,16,.78) 46%, rgba(11,12,16,.46) 100%);
}
.hero__inner{
  position:relative;
  z-index:1;
  padding-top:92px; /* nav */
  padding-bottom:52px;
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap:26px;
  align-items:center;
}
.hero__copy{max-width:720px}
.pill{
  display:inline-flex;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.08);
  padding:7px 10px;
  border-radius:999px;
  font-size:12px;
  color:rgba(255,255,255,.86);
  margin:0 0 16px;
}
.hero h1{
  margin:0;
  font-size:64px;
  line-height:1.02;
  letter-spacing:-.045em;
}
.lede{
  margin:18px 0 0;
  font-size:19px;
  line-height:1.65;
  color:var(--muted);
  max-width:62ch;
}
.lede--tight{max-width:66ch}
.hero__actions{display:flex; gap:12px; margin-top:26px; flex-wrap:wrap}
.hero__bullets{display:flex; gap:10px; flex-wrap:wrap; margin-top:22px}
.bullet{
  border:1px solid rgba(255,255,255,.14);
  background:rgba(0,0,0,.18);
  padding:10px 12px;
  border-radius:999px;
  font-size:13px;
  color:rgba(255,255,255,.84);
}
.micro{margin-top:14px; font-size:13px; color:var(--faint)}
.micro--muted{color:rgba(255,255,255,.52)}

/* Diagram */
.hero__visual{display:flex; justify-content:flex-end}
.diagram{
  width:min(580px, 100%);
  border:1px solid rgba(255,255,255,.14);
  background:rgba(11,12,16,.55);
  backdrop-filter: blur(10px);
  border-radius:calc(var(--r) + 6px);
  box-shadow:var(--shadow);
  padding:18px;
}
.diagram__title{font-size:12px; letter-spacing:.18em; text-transform:uppercase; color:rgba(255,255,255,.65)}
.diagram__svg{width:100%; height:auto; margin-top:12px; display:block}
.diagram__caption{margin-top:10px; font-size:13px; color:rgba(255,255,255,.62)}

.node rect{fill:rgba(255,255,255,.06); stroke:rgba(255,255,255,.16); stroke-width:1; transition: stroke .18s ease, fill .18s ease}
.node .t1{fill:rgba(255,255,255,.92); font-size:16px; font-weight:700}
.node .t2{fill:rgba(255,255,255,.62); font-size:13px}
.edge{fill:none; stroke:rgba(255,255,255,.45); stroke-width:2; stroke-linecap:round}
.pulseDot{fill:var(--brand)}

/* Highlight node as the pulse reaches it */
.node.active rect{stroke:rgba(2,132,199,.85); fill:rgba(2,132,199,.10)}
.node.active .t1{fill:rgba(255,255,255,.98)}
.node.active .t2{fill:rgba(255,255,255,.72)}

/* Scroll indicator */
.hero__scroll{position:absolute; left:50%; bottom:18px; transform:translateX(-50%); opacity:.8}
.hero__scroll span{
  width:22px; height:34px; border-radius:999px;
  border:1px solid rgba(255,255,255,.25);
  display:block; position:relative;
}
.hero__scroll span:after{
  content:"";
  width:4px; height:4px;
  border-radius:999px;
  background:rgba(255,255,255,.75);
  position:absolute; left:50%; top:7px;
  transform:translateX(-50%);
  animation: scrollDot 1.35s ease-in-out infinite;
}
@keyframes scrollDot{
  0%{transform:translate(-50%, 0); opacity:.9}
  70%{transform:translate(-50%, 14px); opacity:.2}
  100%{transform:translate(-50%, 14px); opacity:0}
}

/* Sections */
.section{padding:54px 0}
.section--full{min-height:100svh; display:flex; align-items:center; position:relative; overflow:hidden}
.section__inner{padding-top:96px; padding-bottom:60px; width:100%}
.section__head{margin-bottom:28px}
.section h2{margin:0; font-size:44px; letter-spacing:-.03em; line-height:1.04}

/* Section backgrounds (no weird gradients: monochrome + grid texture) */
.section--how{background:rgba(255,255,255,.02)}
.section--waitlist{background:rgba(255,255,255,.015)}
.section--how::before,
.section--waitlist::before{
  content:"";
  position:absolute; inset:-40px;
  background-image:url('/assets/bg-grid.svg');
  background-size:120px 120px;
  opacity:.35;
  pointer-events:none;
}
.section--how::after{
  content:"";
  position:absolute; inset:-20px;
  background:radial-gradient(800px 500px at 20% 20%, rgba(2,132,199,.14), transparent 60%);
  opacity:.55;
  pointer-events:none;
}
.section--waitlist::after{
  content:"";
  position:absolute; inset:-20px;
  background:radial-gradient(800px 500px at 80% 30%, rgba(2,132,199,.12), transparent 62%);
  opacity:.50;
  pointer-events:none;
}

.grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:18px; margin-top:18px}
.card{
  position:relative;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.03);
  border-radius:var(--r);
  padding:22px;
}
.card h3{margin:8px 0 10px; font-size:16px; letter-spacing:-.01em}
.card p{margin:0; color:var(--muted); line-height:1.7; font-size:14px}
.step{font-size:12px; color:rgba(255,255,255,.60); letter-spacing:.18em}

/* CTA */
.section--cta{border-top:1px solid var(--line)}
.cta{position:relative; display:grid; grid-template-columns:1.15fr .85fr; gap:18px; align-items:center}
.cta__box{
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);
  border-radius:calc(var(--r) + 6px);
  padding:20px;
}
.cta__k{font-size:12px; color:rgba(255,255,255,.62); margin-bottom:10px}

/* Footer */
.footer{padding:28px 0 36px; border-top:1px solid var(--line)}
.footer--inline{border-top:0; padding:0; margin-top:34px}
.footer__inner{display:flex; justify-content:space-between; align-items:center; gap:14px; color:rgba(255,255,255,.65); font-size:13px}

@media (max-width: 980px){
  .hero__inner{grid-template-columns:1fr; padding-top:92px}
  .hero h1{font-size:44px}
  .section h2{font-size:34px}
  .hero__visual{justify-content:flex-start}
  .grid{grid-template-columns:1fr}
  .cta{grid-template-columns:1fr}
  .nav__links{gap:8px}
}