/* ZapCore Landing v2 — Hybrid Enterprise Minimal (conversion + trust)
   - Dark hero, light content
   - Strong hierarchy, whitespace, clean typography
*/

:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: rgba(15, 23, 42, 0.72);
  --border: #e2e8f0;
  --shadow: 0 10px 30px rgba(2, 6, 23, 0.08);
  --primary: #2563eb;
  --primaryHover: #1d4ed8;
  --danger: #e11d48;

  --heroBg: #0b1220;
  --heroGradA: rgba(37, 99, 235, 0.22);
  --heroGradB: rgba(15, 23, 42, 0.92);
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1100px; margin: 0 auto; padding: 22px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand a {
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.86);
  background: rgba(255,255,255,0.08);
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
}

.nav a { color: inherit; }

.hero {
  border-radius: 22px;
  overflow: hidden;
  background: radial-gradient(1200px 600px at 20% 10%, var(--heroGradA), transparent 50%),
              radial-gradient(900px 500px at 80% 20%, rgba(59, 130, 246, 0.18), transparent 50%),
              linear-gradient(180deg, var(--heroBg), var(--heroGradB));
  color: #eaf1ff;
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: 0 30px 80px rgba(2, 6, 23, 0.30);
}

.hero-inner { padding: 28px; }
.hero h1 {
  margin: 0 0 10px 0;
  font-size: 42px;
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.hero p {
  margin: 0 0 18px 0;
  max-width: 820px;
  font-size: 16px;
  line-height: 1.55;
  color: rgba(234, 241, 255, 0.82);
}

.ctas { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  user-select: none;
}

.btn.primary {
  background: var(--primary);
  color: #fff;
}
.btn.primary:hover { background: var(--primaryHover); }

.btn.secondary {
  background: rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.92);
  border-color: rgba(255,255,255,0.18);
}
.btn.secondary:hover { background: rgba(255,255,255,0.14); }

.btn.light {
  background: #fff;
  color: var(--text);
  border-color: var(--border);
}
.btn.light:hover { background: rgba(255,255,255,0.92); }

.btn.danger { background: var(--danger); color: #fff; }

.section { padding: 22px 0; }
.section-title {
  margin: 0 0 10px 0;
  font-size: 24px;
  letter-spacing: -0.02em;
}
.section-sub {
  margin: 0 0 18px 0;
  color: var(--muted);
  line-height: 1.6;
}

.grid { display: grid; gap: 14px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

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

.card h3 { margin: 0 0 8px 0; font-size: 16px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); line-height: 1.6; font-size: 14px; }

.kicker { color: rgba(234,241,255,0.70); font-size: 13px; margin-bottom: 8px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(2, 6, 23, 0.02);
  font-size: 12px;
  color: rgba(15, 23, 42, 0.80);
}
.badge.popular {
  border-color: rgba(37,99,235,0.35);
  background: rgba(37,99,235,0.08);
  color: rgba(37,99,235,0.95);
  font-weight: 700;
}

hr.sep {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 18px 0;
}

.pricing { align-items: stretch; }
.price {
  font-size: 34px;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin: 6px 0 12px 0;
}
.price small { font-size: 14px; font-weight: 700; color: var(--muted); }
.ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
  font-size: 14px;
}
.ul li { margin: 4px 0; }

.note {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.flash {
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.22);
  border-radius: 16px;
  padding: 12px 14px;
  color: rgba(15,23,42,0.90);
  margin-bottom: 12px;
}

.footer {
  padding: 18px 0 6px 0;
  color: rgba(15, 23, 42, 0.62);
  font-size: 13px;
}

.form-row { margin-bottom: 12px; }
label { display: block; font-size: 13px; color: rgba(15,23,42,0.80); margin-bottom: 6px; }
.input, select.input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  outline: none;
}
.input:focus {
  border-color: rgba(37,99,235,0.45);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.10);
}

@media (max-width: 980px) {
  .hero h1 { font-size: 34px; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .container { padding: 16px; }
  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .hero-inner { padding: 20px; }
}