:root{
  --bg:#070F19;
  --navy:#0C1C2D;
  --accent:#00C4FF;
  --text:#F1F6FA;
  --muted:#A7B5C5;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;scroll-behavior:smooth}
body{
  font-family:'Inter',sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,var(--bg),#040810);
  line-height:1.6;
}

/* container */
.container{width:min(1100px,90%);margin:auto}
.container.narrow{width:min(800px,90%)}

/* nav */
.nav{
  position:fixed;top:0;width:100%;z-index:20;
  background:rgba(7,15,25,.8);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;padding:.9rem 0}
.logo{display:flex;align-items:center;gap:.6rem;font-weight:800;letter-spacing:.04em}
.logo .bars{display:flex;gap:.25rem}
.logo .bars i{display:block;width:.9rem;height:.12rem;background:var(--accent);border-radius:2px}
.logo.small .bars i{width:.7rem}
nav a{color:var(--text);text-decoration:none;margin-left:1rem;font-weight:500;opacity:.85}
nav a:hover{opacity:1}
.btn{
  background:var(--accent);color:#021018;
  padding:.7rem 1rem;border-radius:.7rem;
  font-weight:700;text-decoration:none;transition:.2s;
}
.btn:hover{transform:translateY(-1px)}
.btn.ghost{background:transparent;border:1px solid var(--accent);color:var(--accent)}
.btn.small{padding:.45rem .8rem;font-size:.9rem}

/* hero */
.hero{
  display:flex;align-items:center;justify-content:center;
  min-height:100vh;
  position:relative;
  text-align:center;
  overflow:hidden;
}
.glow{
  position:absolute;inset:0;
  background:radial-gradient(1000px 600px at 50% 100%,rgba(0,196,255,.25),transparent 70%);
  animation:pulse 8s infinite ease-in-out;
}
@keyframes pulse{0%,100%{opacity:.6}50%{opacity:1}}
.hero__content{z-index:1}
.hero h1{font-size:clamp(2.5rem,6vw,4.5rem);font-weight:800;letter-spacing:-.01em;margin-bottom:1rem}
.hero .tag{font-size:1.15rem;color:var(--muted);max-width:600px;margin:auto;margin-bottom:1.5rem}
.cta{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap}

/* sections */
.section{padding:5rem 0;margin-top:3rem}
.section h2{font-size:2rem;margin-bottom:1rem}
.section p{font-size:1.05rem;color:var(--muted);margin-bottom:1rem}
.section.accent{background:linear-gradient(180deg,#091523,#0C1C2D)}
blockquote{border-left:4px solid var(--accent);padding-left:1rem;margin-top:1rem;font-style:italic;color:var(--text)}

/* accuracy timeline */
.timeline{margin-top:2rem;position:relative;height:4px;background:rgba(255,255,255,.1);border-radius:2px}
.timeline .line{position:absolute;top:0;left:0;height:4px;width:100%;background:rgba(255,255,255,.05)}
.timeline .dot{position:absolute;top:-6px;width:14px;height:14px;border-radius:50%;background:rgba(255,255,255,.25)}
.timeline .dot:nth-child(1){left:0}
.timeline .dot:nth-child(2){left:33%}
.timeline .dot:nth-child(3){left:66%}
.timeline .dot:nth-child(4){right:0;background:var(--accent)}
.timeline .caption{margin-top:1.4rem;font-size:.9rem;text-align:center;color:var(--muted)}

/* openland */
.points{list-style:none;margin:1rem 0}
.points li{margin-bottom:.6rem}
.highlight{color:var(--accent);font-weight:600;margin-top:1rem}

/* join cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin:2rem 0}
.card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:1rem;padding:1.2rem;backdrop-filter:blur(6px)}
.card h3{margin-bottom:.4rem;color:var(--accent)}

/* footer */
.footer{border-top:1px solid rgba(255,255,255,.1);padding:2rem 0;text-align:center;background:#050B12}
.footer small{display:block;font-size:.85rem;color:var(--muted);margin-top:.8rem}

/* responsive */
@media(max-width:800px){
  .nav__inner{flex-wrap:wrap;gap:.8rem}
  nav{width:100%;display:flex;justify-content:center;flex-wrap:wrap}
  .hero h1{font-size:2.2rem}
  .section{padding:3rem 0}
}