:root{
  --bg:#f6f7fb;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --brand:#2563eb;
  --border:rgba(15,23,42,.12);
  --shadow:0 10px 30px rgba(2,6,23,.08);
  --radius:18px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
}

.wrap{
  width:min(1100px, calc(100% - 32px));
  margin:0 auto;
}

.top{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:saturate(160%) blur(10px);
  background:rgba(246,247,251,.8);
  border-bottom:1px solid var(--border);
}

.top__inner{
  padding:14px 0;
  display:flex;
  align-items:center;
  gap:16px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:900;
  letter-spacing:-.03em;
  font-size:22px;
  text-decoration:none;
  color:var(--text);
}

.brand__logo{
  height:44px;
  width:auto;
  display:block;
}

.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  border:0;
}

.tagline{
  color:var(--muted);
  font-weight:600;
}

.nav{
  margin-left:auto;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.nav a{
  text-decoration:none;
  color:var(--text);
  font-weight:700;
  padding:10px 12px;
  border-radius:999px;
}

.nav a:hover{
  background:rgba(37,99,235,.10);
  color:var(--brand);
}

.hero{
  padding:28px 0 10px;
}

.hero__grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:16px;
  align-items:stretch;
}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px;
}

.hero__title{
  font-size:34px;
  line-height:1.05;
  letter-spacing:-.04em;
  margin:0 0 10px;
}

.muted{color:var(--muted)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid var(--border);
  background:#fff;
  text-decoration:none;
  color:var(--text);
  font-weight:800;
}

.btn.primary{
  background:var(--brand);
  color:#fff;
  border-color:rgba(37,99,235,.35);
}

.btn.primary:hover{filter:brightness(.95)}
.btn:hover{background:rgba(15,23,42,.03)}

.input{
  width:100%;
  padding:12px;
  border-radius:12px;
  border:1px solid var(--border);
  font-size:16px;
  color:var(--text);
  background:#fff;
}

.login-card .btn{
  width:100%;
  justify-content:center;
}

.login-form{
  display:grid;
  gap:10px;
  margin-top:12px;
}

.login-error{
  margin-top:10px;
  padding:10px 12px;
  background:rgba(239,68,68,.1);
  color:#b91c1c;
  border:1px solid rgba(239,68,68,.35);
  border-radius:12px;
  font-weight:700;
}

.page{
  padding:24px 0 28px;
}

.page__hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:16px;
  align-items:stretch;
}

.page__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  margin-top:16px;
}

.page__grid--two{
  grid-template-columns:2fr 1fr;
}

.page__stack{
  display:grid;
  gap:12px;
}

.grid3{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:16px;
  padding:16px 0 28px;
}

.kicker{
  font-weight:900;
  letter-spacing:.02em;
  text-transform:uppercase;
  font-size:12px;
  color:rgba(37,99,235,.9);
  margin-bottom:10px;
}

.footer{
  margin-top:18px;
  background:#0b1220;
  color:#fff;
}

.footer__inner{
  padding:18px 0;
  display:flex;
  gap:12px;
  align-items:flex-end;
  justify-content:space-between;
}

.footer__logo{
  height:36px;
  width:auto;
}

@media (max-width: 900px){
  .hero__grid{grid-template-columns:1fr}
  .page__hero-grid{grid-template-columns:1fr}
  .page__grid--two{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr}
  .top__inner{align-items:flex-start}
}