:root{
  --bg:#0b0b0d;
  --card:#121214;
  --text:#ECECF0;
  --muted:#A7A7B2;
  --border:#2A2A30;
  --brand1:#5AC8FA;
  --brand2:#A78BFA;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(900px 500px at 18% 8%, rgba(90,200,250,.18), transparent 60%),
              radial-gradient(800px 500px at 85% 18%, rgba(167,139,250,.16), transparent 55%),
              var(--bg);
  color:var(--text);
  line-height:1.45;
}

a{color:inherit}
.container{
  max-width:1040px;
  margin:0 auto;
  padding-left: calc(22px + env(safe-area-inset-left));
  padding-right: calc(22px + env(safe-area-inset-right));
}

.nav{position:sticky;top:0;background:rgba(11,11,13,.62);backdrop-filter: blur(10px); border-bottom:1px solid rgba(42,42,48,.7); z-index:10}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0; position:relative; padding-top: calc(14px + env(safe-area-inset-top));}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{width:28px;height:28px}
.brand span{font-weight:800;letter-spacing:-.5px}
.nav-links{display:flex;gap:14px;align-items:center}
.nav-links a{color:var(--muted);text-decoration:none;font-weight:650;font-size:14px}
.nav-links a:hover{color:var(--text)}

/* Mobile menu (details/summary) */
.nav-mobile{display:none}
.nav-menu summary{cursor:pointer}
.nav-menu summary::-webkit-details-marker{display:none}
.menu-panel{display:flex;flex-direction:column;gap:10px;min-width:220px}
.menu-panel a{text-decoration:none;color:var(--muted);font-weight:700}
.menu-panel a:hover{color:var(--text)}
.nav-menu .menu-panel{position:absolute; right: calc(0px + env(safe-area-inset-right)); top:52px; z-index:20}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:10px 14px;border-radius:12px;border:1px solid rgba(42,42,48,.9);background:rgba(18,18,20,.75);text-decoration:none;font-weight:750}
.btn:hover{border-color:rgba(90,200,250,.65)}
.btn-primary{background:linear-gradient(135deg, rgba(90,200,250,.18), rgba(167,139,250,.18)); border-color:rgba(90,200,250,.35)}

.hero{padding:56px 0 20px}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:center}
.hero h1{margin:0 0 10px;font-size:46px;letter-spacing:-1.2px;line-height:1.1}
.hero p{margin:0 0 18px;color:var(--muted);font-size:18px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}

.card{
  background:rgba(18,18,20,.78);
  border:1px solid rgba(42,42,48,.9);
  border-radius:18px;
  padding:18px;
}
.card h3{margin:0 0 10px}
.card p{margin:0;color:var(--muted)}

.grid{display:grid;gap:14px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

.section{padding:28px 0}
.section h2{margin:0 0 12px;font-size:26px;letter-spacing:-.6px}
.kicker{color:var(--muted);font-weight:750;font-size:13px;letter-spacing:.2px;text-transform:uppercase}

.list{margin:0;padding-left:18px;color:var(--muted)}
.list li{margin:8px 0}

.footer{padding:34px 0 54px;color:var(--muted);border-top:1px solid rgba(42,42,48,.7)}
.footer a{color:var(--muted)}
.small{font-size:13px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;border:1px solid rgba(42,42,48,.9);color:var(--muted);font-weight:650;font-size:13px}
.dot{width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--brand1),var(--brand2))}

@media (max-width: 860px){
  .hero-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .hero{padding-top:42px}
  .hero h1{font-size:38px}
}

/* Mobile nav: switch to a menu button */
@media (max-width: 640px){
  .nav-desktop{display:none}
  .nav-mobile{display:block}
  .nav-inner{gap:10px}
}

@media (max-width: 420px){
  .brand span{font-size:14px}
}