:root{
  --bg:#ffffff;
  --surface:#ffffff;
  --surface2:#f5f7fb;
  --text:#0b1220;
  --muted:#4b5568;
  --accent:#2563eb;
  --accent2:#06b6d4;
  --border:rgba(2,6,23,.10);
  --shadow:0 10px 30px rgba(2,6,23,.08);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(1100px,92%);margin:0 auto}

.topbar{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none}
.logo{
  width:60px;height:60px;border-radius:12px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  box-shadow:0 6px 18px rgba(37,99,235,.25);
}
.brand b{letter-spacing:.2px}
.nav{display:flex;gap:10px;flex-wrap:wrap}
.nav a{
  font-size:14px;color:var(--muted);
  padding:6px 10px;border-radius:999px;
}
.nav a:hover{background:rgba(37,99,235,.08);text-decoration:none;color:var(--text)}
.nav a.active{background:rgba(37,99,235,.12);color:var(--text);text-decoration:none}

.hero{
  padding:76px 0 46px;
  background:
    radial-gradient(900px 420px at 12% 10%, rgba(37,99,235,.16), transparent 60%),
    radial-gradient(900px 420px at 88% 18%, rgba(6,182,212,.14), transparent 60%),
    linear-gradient(180deg, rgba(245,247,251,1), rgba(255,255,255,1));
  border-bottom:1px solid var(--border);
}
.kicker{color:var(--muted);text-transform:uppercase;letter-spacing:.16em;font-size:12px}
h1{font-size:40px;line-height:1.12;margin:10px 0 12px}
.lead{color:var(--muted);font-size:18px;max-width:820px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 14px;border-radius:12px;border:1px solid var(--border);
  background:var(--surface);color:var(--text);font-weight:600;font-size:14px;
  box-shadow:0 2px 8px rgba(2,6,23,.06);
}
.btn.primary{
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  border-color:transparent;color:white;box-shadow:0 12px 26px rgba(37,99,235,.22);
}
.btn.primary:hover{filter:brightness(1.03);text-decoration:none}
.btn:hover{text-decoration:none}

.section{padding:46px 0;border-bottom:1px solid var(--border)}
.section h2{margin:0 0 10px;font-size:24px}
.section p{margin:8px 0;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin-top:14px}

.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;
  padding:18px 18px 16px;
  box-shadow:var(--shadow);
}
.card h3{margin:0 0 8px;font-size:16px}
.card p{margin:0;color:var(--muted);font-size:14px}

.bullets{margin:10px 0 0;padding-left:18px;color:var(--muted)}
.bullets li{margin:6px 0}

.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.badge{
  font-size:12px;color:var(--muted);
  padding:6px 10px;border-radius:999px;border:1px solid var(--border);
  background:var(--surface);
}

.footer{padding:26px 0;color:var(--muted);font-size:13px}

/* Architecture / product matrix */
.arch-wrap{margin-top:16px}
.arch-grid{
  display:grid;
  grid-template-columns: 1fr 70px 1fr 70px 1fr;
  gap:14px;
  align-items:stretch;
}
@media (max-width: 980px){
  .arch-grid{grid-template-columns:1fr;gap:12px}
  .arch-arrow{display:none}
}
.arch-node{
  background:linear-gradient(180deg, rgba(255,255,255,1), rgba(245,247,251,1));
  border:1px solid var(--border);
  border-radius:16px;
  padding:16px 16px 14px;
  box-shadow:var(--shadow);
}
.arch-node h3{margin:0 0 8px;font-size:16px}
.arch-node p{margin:0;color:var(--muted);font-size:14px}
.arch-node .tag{display:inline-block;margin-top:10px;font-size:12px;color:var(--muted);
  padding:6px 10px;border-radius:999px;border:1px solid var(--border);background:rgba(37,99,235,.06)}
.arch-arrow{
  display:flex;align-items:center;justify-content:center;
  color:rgba(11,18,32,.65);
  font-weight:700;
}
.arch-arrow span{
  width:100%;height:2px;background:rgba(11,18,32,.12);position:relative;border-radius:2px
}
.arch-arrow span:after{
  content:"";position:absolute;right:-2px;top:-5px;width:0;height:0;
  border-left:10px solid rgba(11,18,32,.45);
  border-top:6px solid transparent;border-bottom:6px solid transparent;
}
.matrix{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:14px;
  margin-top:12px;
}
.matrix .card{padding:16px;box-shadow:var(--shadow)}
.matrix .m1{grid-column:span 4}
.matrix .m2{grid-column:span 4}
.matrix .m3{grid-column:span 4}
@media (max-width: 900px){
  .matrix .m1,.matrix .m2,.matrix .m3{grid-column:span 12}
}
.small{font-size:13px;color:var(--muted)}


/* Product thumbnails (placeholders if you don't have images yet) */
.thumb{
  width:100%;
  height:160px;
  border-radius:14px;
  border:1px solid var(--border);
  background:
    radial-gradient(900px 300px at 20% 20%, rgba(37,99,235,.18), transparent 60%),
    radial-gradient(900px 300px at 80% 40%, rgba(6,182,212,.16), transparent 60%),
    linear-gradient(180deg, rgba(245,247,251,1), rgba(255,255,255,1));
  box-shadow: var(--shadow);
  margin-bottom:12px;
}
.card .meta{margin-top:10px;display:flex;gap:10px;flex-wrap:wrap}
.pill{
  font-size:12px;color:var(--muted);
  padding:6px 10px;border-radius:999px;border:1px solid var(--border);
  background:rgba(37,99,235,.06)
}


/* Real screenshots */
.thumb-img{
  width:100%;
  height:160px;
  object-fit:cover;
  border-radius:14px;
  border:1px solid var(--border);
  box-shadow: var(--shadow);
  display:block;
  margin-bottom:12px;
}


/* Mobile responsiveness */
@media (max-width: 900px){
  h1{font-size:32px}
  .hero{padding:60px 0 36px}
  .lead{font-size:16px}
  .topbar-inner{padding:12px 0}
}

@media (max-width: 720px){
  .topbar-inner{align-items:flex-start}
  .nav{display:none; width:100%; margin-top:10px; gap:8px}
  .nav.open{display:flex}
  .nav a{width:fit-content}
  .nav-toggle{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:40px;height:40px;
    border-radius:12px;
    border:1px solid var(--border);
    background:var(--surface);
    box-shadow:0 2px 8px rgba(2,6,23,.06);
    cursor:pointer;
  }
  .nav-toggle:active{transform:translateY(1px)}
  .grid{gap:12px}
  /* Force cards to full width on small screens, regardless of inline grid-column */
  .grid > *{grid-column: 1 / -1 !important;}
  .thumb-img{height:180px}
}

@media (max-width: 420px){
  h1{font-size:28px}
  .btn{width:100%}
  .cta{gap:10px}
  .thumb-img{height:160px}
}

/* Logo image */
.logo-img{
  width:38px;
  height:38px;
  object-fit:contain;
  display:block;
}
@media (max-width:720px){
  .logo-img{
    width:34px;
    height:34px;
  }
}