/* ===== Base ===== */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
:root{
  --bg:#05070a;
  --panel:rgba(0,0,0,.25);
  --muted:#a1a8b0;
  --text:#ecf1f8;
  --brand1:#7ccfff;
  --brand2:#93e4c1;
  --accent:#9aa1ff;
  --line:rgba(255,255,255,.12);
  --glow: 0 0 40px rgba(124,207,255,.35);
}
*{accent-color:var(--brand1)}
body{
  margin:0;
  background:
    radial-gradient(1200px 800px at 70% -10%, color-mix(in srgb, var(--brand1) 10%, transparent), transparent),
    linear-gradient(180deg,var(--bg), color-mix(in srgb, var(--bg) 60%, #0a0e14 40%));
  color:var(--text);
  font-family:Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  line-height:1.55;
}
.container{max-width:1180px;margin:0 auto;padding:0 24px}

/* Make the particles canvas a true background (fixes blank top gap) */
#bg-particles{
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  display:block;
}

/* ===== Header (mobile-safe) ===== */
.site-header{
  position:sticky;
  top:env(safe-area-inset-top, 0px);
  z-index:1000;
  background:linear-gradient(180deg, rgba(0,0,0,.35), rgba(0,0,0,.2));
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:grid;
  grid-template-columns:auto 1fr auto; /* brand | nav | badge */
  align-items:center;
  gap:12px;
  padding:12px 16px;
}
.brand .logo{height:32px;filter:drop-shadow(var(--glow))}

/* Tabs */
.nav{
  position:relative;
  display:flex;
  gap:6px;
  padding:6px;
  border:1px solid var(--line);
  border-radius:12px;
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));
  overflow-x:auto;                    /* allow swipe if it overflows */
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.nav::-webkit-scrollbar{display:none}
.nav .tab-link{
  position:relative;
  color:var(--muted);
  text-decoration:none;
  padding:8px 12px;
  border-radius:8px;
  z-index:1;
  white-space:nowrap;
}
.nav .tab-link.active{color:var(--text)}
.nav-underline{
  position:absolute;
  bottom:6px;
  height:32px;
  border-radius:8px;
  background:linear-gradient(135deg,var(--brand1),var(--brand2));
  box-shadow:var(--glow);
  transition:all .25s ease;
  z-index:0;
}

/* Badge */
.made-in{
  display:flex;align-items:center;gap:8px;
  color:var(--muted);font-weight:600;
  white-space:nowrap;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
}
.made-in img{height:16px;border-radius:3px;box-shadow:0 0 0 1px rgba(255,255,255,.2)}

/* Small screens: keep badge visible, move tabs to second row */
@media (max-width:640px){
  .header-inner{
    grid-template-columns:1fr auto;           /* brand | badge */
    grid-template-areas:
      "brand badge"
      "nav   nav";
  }
  .brand{grid-area:brand}
  .nav{grid-area:nav;margin-top:6px}
  .made-in{grid-area:badge;justify-self:end}
}
/* Ultra-narrow phones: show just the flag */
@media (max-width:360px){
  .made-in span{display:none}
}

/* ===== Layout ===== */
main{padding:48px 0}
.tab{display:none;animation:fade .35s ease both}
.tab.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
h1{font-size:42px;margin:.2em 0 .3em}
.lead{color:var(--muted);max-width:820px}

/* Hero */
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center}
.hero-right{display:grid;gap:14px}
.stat{display:flex;align-items:center;gap:16px}
.stat-num{font-size:22px;font-weight:800;background:linear-gradient(135deg,var(--brand1),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{color:var(--muted)}

/* Cards / grids */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:28px}
.card{
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.00));
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
  box-shadow:0 0 0 1px rgba(255,255,255,.01),var(--glow)
}
.card h3{margin:.2em 0 .4em;font-size:18px}

/* CTAs */
.cta{display:flex;gap:12px;margin:26px 0 12px}
.button{
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  color:var(--text);
  padding:10px 16px;
  border-radius:12px;
  text-decoration:none;
  transition:transform .12s ease, box-shadow .2s ease
}
.button:hover{transform:translateY(-1px)}
.button.primary{
  background:linear-gradient(135deg,var(--brand1),var(--brand2));
  color:#061018;border:none;font-weight:700;box-shadow:var(--glow)
}
.button.ghost{background:transparent}
.features code{background:rgba(255,255,255,.08);padding:.1em .35em;border-radius:6px}

/* Agents */
.agents{margin-top:28px}
.agents h2{margin:0 0 12px 0}
.agent-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.agent{
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.00));
  border:1px dashed var(--line);
  border-radius:12px;
  padding:12px 14px;
  font-weight:600
}
.agent span{display:block;color:var(--muted);font-weight:500;font-size:13px;margin-top:4px}

/* Video */
.video-full{position:relative;border-radius:14px;overflow:hidden;box-shadow:var(--glow);border:1px solid var(--line)}
.video-full video{width:100%;height:min(85vh, calc(100vh - 160px));display:block;background:#000}
.video-overlay{position:absolute;right:10px;bottom:10px;background:rgba(0,0,0,.5);color:#fff;padding:6px 10px;border-radius:10px;font-size:12px}

/* Scroll reveals & tilt */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s ease, transform .5s ease}
.reveal.show{opacity:1;transform:none}
.delay-1{transition-delay:.08s}.delay-2{transition-delay:.16s}.delay-3{transition-delay:.24s}.delay-4{transition-delay:.32s}.delay-5{transition-delay:.40s}
.tilt{transform-style:preserve-3d;will-change:transform;transition:transform .12s ease}
.tilt:hover{transform:perspective(800px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) translateY(-2px)}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:18px 0;background:linear-gradient(180deg,transparent,rgba(0,0,0,.2))}
.footer-inner{display:flex;justify-content:space-between;color:var(--muted);font-size:14px}

/* Responsive */
@media (max-width:900px){
  .hero{grid-template-columns:1fr}
  h1{font-size:34px}
}
/* Slightly tighter top padding on very small phones */
@media (max-width:480px){
  main{padding-top:36px}
}