:root{
  --bg:#F7F8FB;
  --surface:#FFFFFF;
  --surface2:#F2F4F8;
  --text:#0B1220;
  --muted:rgba(11,18,32,.68);
  --line:rgba(11,18,32,.10);
  --shadow: 0 18px 50px rgba(11,18,32,.08);

  /* accent */
  --a1:#3B82F6; /* blue */
  --a2:#8B5CF6; /* violet */
  --a3:#06B6D4; /* cyan */
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(1000px 520px at 15% 0%, rgba(59,130,246,.10), transparent 58%),
    radial-gradient(900px 520px at 90% 10%, rgba(139,92,246,.08), transparent 60%),
    linear-gradient(180deg, var(--bg), #FFFFFF 45%, var(--bg));
}

a{color:inherit; text-decoration:none}
.container{max-width:1240px; margin:0 auto; padding:0 24px}

.nav{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(12px);
  background: rgba(247,248,251,.75);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex; align-items:center; justify-content:space-between; height:68px}
.brand{display:flex; align-items:center; gap:12px; font-weight:900; letter-spacing:.2px}
.logo{
  width:36px; height:36px; border-radius:12px;
  background: linear-gradient(135deg, var(--a1), var(--a2));
  box-shadow: 0 12px 34px rgba(59,130,246,.18);
}
.nav-links{display:flex; gap:18px; color:var(--muted); font-size:14px}
.nav-links a{padding:9px 12px; border-radius:12px}
.nav-links a:hover{background:rgba(11,18,32,.05); color:var(--text)}

/* Split theme: dark hero, light body */
.hero{
  padding:92px 0 54px;
}
.hero--dark{
  background:
    radial-gradient(900px 500px at 10% 10%, rgba(59,130,246,.35), transparent 55%),
    radial-gradient(900px 520px at 95% 0%, rgba(139,92,246,.26), transparent 60%),
    linear-gradient(180deg, #0B1020, #070A14 70%, rgba(7,10,20,0));
  color:#F4F7FF;
}
.hero--dark .sub,
.hero--dark .kicker{color:rgba(244,247,255,.76)}
.hero--dark .nav-links a:hover{background:rgba(255,255,255,.08)}

.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--muted);
  font-size:13px;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.kicker:before{
  content:"";
  width:10px; height:10px; border-radius:99px;
  background: linear-gradient(135deg, var(--a3), var(--a2));
  box-shadow: 0 0 0 7px rgba(6,182,212,.12);
}

.h1{font-size:56px; line-height:1.01; margin:18px 0 16px; letter-spacing:-.035em}
.sub{max-width:880px; color:var(--muted); font-size:19px; line-height:1.65}

.cta-row{display:flex; flex-wrap:wrap; gap:12px; margin-top:24px}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding:12px 16px; border-radius:16px;
  border:1px solid var(--line);
  background:rgba(11,18,32,.04);
  color:var(--text);
  font-weight:800; font-size:14px;
}
.btn:hover{background:rgba(11,18,32,.06)}
.btn.primary{
  border-color: transparent;
  background: linear-gradient(135deg, rgba(59,130,246,.95), rgba(139,92,246,.92));
  color:white;
}
.btn.primary:hover{filter:brightness(1.03)}

.hero--dark .btn{border-color:rgba(255,255,255,.16); background:rgba(255,255,255,.08); color:#F4F7FF}
.hero--dark .btn:hover{background:rgba(255,255,255,.11)}
.hero--dark .btn.primary{background:linear-gradient(135deg, rgba(6,182,212,.95), rgba(139,92,246,.92)); border-color:transparent}

.pills{display:flex; flex-wrap:wrap; gap:10px; margin-top:18px}
.pill{font-size:12px; color:var(--muted); border:1px solid var(--line); padding:8px 11px; border-radius:999px; background:rgba(255,255,255,.7)}
.hero--dark .pill{background:rgba(255,255,255,.10); border-color:rgba(255,255,255,.14); color:rgba(244,247,255,.80)}

.section{padding:56px 0}
.grid{display:grid; gap:22px}
.grid.cols-3{grid-template-columns:repeat(3, minmax(0,1fr))}
.grid.cols-2{grid-template-columns:repeat(2, minmax(0,1fr))}

@media (max-width: 900px){
  .h1{font-size:42px}
  .grid.cols-3{grid-template-columns:1fr}
  .grid.cols-2{grid-template-columns:1fr}
  .nav-links{display:none}
  .hero{padding:74px 0 44px;}
}

/* bento cards */
.card{
  position:relative;
  border:1px solid var(--line);
  border-radius:24px;
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,255,255,.88));
  padding:26px;
  box-shadow: 0 14px 42px rgba(11,18,32,.08);
}
.card:hover{border-color: rgba(59,130,246,.22)}
.card .title{font-weight:900; font-size:16px; margin-bottom:6px; letter-spacing:-.01em}
.card .desc{color:var(--muted); font-size:14px; line-height:1.55}

.badge{
  display:inline-flex; align-items:center; gap:8px; font-size:12px;
  font-weight:900;
  border-radius:999px; padding:7px 11px;
  color:white;
  background: linear-gradient(135deg, rgba(59,130,246,.95), rgba(139,92,246,.92));
}

.card .meta{display:flex; gap:10px; flex-wrap:wrap; margin:12px 0 0}
.tag{font-size:12px; color:rgba(11,18,32,.72); border:1px solid rgba(11,18,32,.10); padding:7px 11px; border-radius:999px; background:rgba(247,248,251,.75)}

.h2{font-size:24px; margin:0 0 10px; letter-spacing:-.02em}
.lead{color:var(--muted); margin:0 0 14px; line-height:1.65}

.footer{padding:28px 0 50px; color:var(--muted); border-top:1px solid var(--line); margin-top:18px}
.split{display:flex; justify-content:space-between; gap:18px; flex-wrap:wrap}
.small{font-size:12px; color:var(--muted)}

.form{display:grid; gap:10px; max-width:560px}
.input, .textarea{
  width:100%; padding:12px 12px; border-radius:16px;
  border:1px solid var(--line);
  background: rgba(247,248,251,.9);
  color:var(--text);
}
.textarea{min-height:110px; resize:vertical}
.mono{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; font-size:12px; color:var(--muted)}