/* === AuraSpark theme: dark, scannable, investor/cofounder friendly ================= */
:root{
  --bg:#0b1220;
  --panel:#0e1627;
  --ink:#e6edf7;
  --muted:#9fb0c7;
  --accent:#36a3ff;
}

html, body{
  background:var(--bg);
  color:var(--ink);
  font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif;
}

.container{ max-width:1240px; margin:0 auto; padding:24px; }

/* Top navigation */
.topbar{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(11,18,32,.80);
  border-bottom:1px solid rgba(255,255,255,.08);
  backdrop-filter:saturate(140%) blur(8px);
}
.brand-row{ display:flex; align-items:center; gap:14px; padding:10px 24px; }
.main-nav ul{ list-style:none; display:flex; gap:14px; padding:0; margin:0; flex-wrap:wrap; }
.main-nav a{ color:#c9d5ea; text-decoration:none; padding:8px 10px; border-radius:8px; transition:background .2s,color .2s; }
.main-nav a:hover{ color:#fff; background:rgba(255,255,255,.06); }

.custom-logo, .brand-logo{ height:36px; width:auto; border-radius:6px; }
.site-brand .brand-text{ display:flex; align-items:center; gap:10px; color:#fff; text-decoration:none; }

/* Dismissible banners */
.banner{ border-bottom:1px solid rgba(255,255,255,.12); }
.banner-conf{ background:#1b2244; color:#f7e38a; }
.banner-dev{ background:#121a38; color:var(--ink); }
.banner-inner{ display:flex; align-items:flex-start; justify-content:space-between; gap:14px; padding:10px 24px; }
.banner-text{ font-size:14px; }
.banner-dismiss{
  appearance:none;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  color:inherit;
  border-radius:10px;
  padding:0 10px;
  height:32px;
  font-size:18px;
  line-height:1;
  cursor:pointer;
}
.banner-dismiss:hover{ background:rgba(255,255,255,.10); }

/* Typography */
.kicker{ color:#62c9ff; font-weight:600; letter-spacing:.15em; font-size:12px; text-transform:uppercase; margin:0 0 8px; }
h1{ font-size:42px; line-height:1.1; margin:16px 0 0; }
h2{ font-size:28px; line-height:1.2; margin:0 0 12px; }
h3{ margin:6px 0 4px; font-size:18px; }
p{ color:var(--muted); margin:10px 0 0; }
.small{ font-size:12px; color:#95a5be; }

.gradient-blue{ background:linear-gradient(90deg,#67d7ff,#6a8bff); -webkit-background-clip:text; background-clip:text; color:transparent; }
.gradient-orange{ background:linear-gradient(90deg,#ffc56a,#ff8833); -webkit-background-clip:text; background-clip:text; color:transparent; }

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  text-decoration:none;
  background:linear-gradient(90deg,var(--accent),#6b7dff);
  color:#fff;
  border:none;
  border-radius:12px;
  padding:10px 14px;
  font-weight:700;
}
.btn.secondary{ background:none; border:1px solid rgba(255,255,255,.12); color:#fff; }
.btn.tertiary{ background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.10); color:#fff; }

/* Layout */
.grid{ display:grid; gap:18px; }
.grid.cols-2{ grid-template-columns:repeat(2,minmax(0,1fr)); }
.grid.cols-3{ grid-template-columns:repeat(3,minmax(0,1fr)); }
.grid.cols-4{ grid-template-columns:repeat(4,minmax(0,1fr)); }
@media (max-width:900px){
  .grid.cols-2, .grid.cols-3, .grid.cols-4{ grid-template-columns:1fr; }
}

.card{
  background:var(--panel);
  border:1px solid rgba(255,255,255,.08);
  border-radius:16px;
  padding:18px;
  box-shadow:0 10px 30px rgba(0,0,0,.25);
}

.pill{
  display:inline-flex;
  align-items:center;
  padding:6px 10px;
  margin:4px 6px 0 0;
  border-radius:999px;
  background:#0b1a2f;
  border:1px solid rgba(255,255,255,.10);
  font-size:12px;
  color:#cfe1ff;
}

.hero{ padding:40px 0 8px; }

/* Hero + diagrams */
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(0,1.1fr);
  gap:32px;
  align-items:center;
}
.hero-text{ z-index:1; }
.hero-visual img{
  width:100%;
  max-height:380px;
  height:auto;
  display:block;
  object-fit:contain;
  opacity:0.98;
}
@media (max-width:900px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; margin-bottom:10px; }
}

.diagram-wrap{ margin:12px 0 20px; }
.diagram-wrap img{ width:100%; max-width:1100px; height:auto; display:block; }

/* Lists & tables */
.list{ margin:8px 0 0; padding-left:18px; color:#cfe1ff; }
.list li{ margin:6px 0; }

a{ color:#36A3FF; }
a:hover{ color:#5BB8FF; }

table{ width:100%; border-collapse:collapse; }
th,td{ padding:8px 10px; border-bottom:1px solid rgba(255,255,255,.12); color:var(--ink); }

/* Co-founder inline */
.cofounder-inline a{ color:#9FB0C7; text-decoration:underline; }
.cofounder-inline a:hover{ color:#E6EDF7; }

/* Notices */
.notice{
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);
  border-radius:16px;
  padding:14px 16px;
  margin:14px 0 0;
}
.notice.success{ border-color:rgba(64,255,171,.25); }
.notice.error{ border-color:rgba(255,110,110,.28); }

/* Forms */
.form-grid{ display:grid; gap:12px; grid-template-columns:repeat(2, minmax(0,1fr)); margin-top:12px; }
.form-grid .full{ grid-column:1 / -1; }
@media (max-width:900px){ .form-grid{ grid-template-columns:1fr; } }

.form-field label{ display:block; font-size:12px; color:#c9d5ea; margin-bottom:6px; }
.form-field input,
.form-field select,
.form-field textarea{
  width:100%;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.14);
  background:#0b1a2f;
  color:var(--ink);
  outline:none;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{ border-color:rgba(54,163,255,.7); box-shadow:0 0 0 3px rgba(54,163,255,.12); }

.form-actions{ display:flex; gap:10px; flex-wrap:wrap; margin-top:12px; }

/* Footer */
.site-footer{ background:transparent; border-top:1px solid rgba(255,255,255,.08); margin-top:32px; }
.footer-grid{ display:grid; gap:18px; grid-template-columns:1.3fr 1fr 1fr 1.2fr; padding-top:26px; padding-bottom:18px; }
@media (max-width:900px){ .footer-grid{ grid-template-columns:1fr; } }

.footer-heading{ font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:#c9d5ea; margin-bottom:8px; }
.footer-links{ list-style:none; padding:0; margin:0; }
.footer-links li{ margin:8px 0; }
.footer-links a{ color:#c9d5ea; text-decoration:none; }
.footer-links a:hover{ color:#fff; text-decoration:underline; }

.footer-bottom{ text-align:center; color:#93a3bd; padding:14px 0 24px; font-size:12px; border-top:1px solid rgba(255,255,255,.08); }