/* Signal Brief Kit — self-contained marketing styles */
:root {
  --bg: #0f1419;
  --surface: #1a222d;
  --surface-2: #243041;
  --text: #e8eef5;
  --muted: #9aabbc;
  --accent: #3d9cf0;
  --accent-hover: #5aaff7;
  --border: #2e3c4e;
  --ok: #3ecf8e;
  --warn: #e6b84d;
  --radius: 10px;
  --max: 880px;
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(15, 20, 25, 0.92);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  flex-wrap: wrap;
}

.logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo span { color: var(--accent); font-weight: 600; }

.nav { display: flex; gap: 1.1rem; flex-wrap: wrap; align-items: center; }
.nav a { color: var(--muted); font-size: 0.95rem; text-decoration: none; }
.nav a:hover { color: var(--text); }

/* Main */
main { flex: 1; padding: 2.5rem 0 3.5rem; }

.hero {
  padding: 1.5rem 0 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.6rem;
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  line-height: 1.2;
  margin: 0 0 0.5rem;
  letter-spacing: -0.03em;
}

.subtitle {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0 0 1.25rem;
  max-width: 36em;
}

.price-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
}

.price {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.price small {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
  margin-left: 0.35rem;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #061018 !important;
  font-weight: 700;
  padding: 0.75rem 1.35rem;
  border-radius: 8px;
  text-decoration: none !important;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn:hover { background: var(--accent-hover); }

.btn-ghost {
  background: transparent;
  color: var(--text) !important;
  border: 1px solid var(--border);
}

.btn-ghost:hover { border-color: var(--muted); background: var(--surface); }

.badge {
  display: inline-block;
  font-size: 0.8rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
  border: 1px solid var(--border);
}

section { margin: 2.25rem 0; }

h2 {
  font-size: 1.35rem;
  margin: 0 0 0.85rem;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.05rem;
  margin: 1.25rem 0 0.5rem;
}

p { color: var(--muted); margin: 0 0 0.85rem; }
p strong, li strong { color: var(--text); }

ul.check { list-style: none; padding: 0; margin: 0; }
ul.check li {
  position: relative;
  padding: 0.45rem 0 0.45rem 1.6rem;
  color: var(--muted);
  border-bottom: 1px solid transparent;
}
ul.check li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--ok);
  font-weight: 700;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
}

.card h3 { margin-top: 0; color: var(--text); }
.card p { margin-bottom: 0; font-size: 0.95rem; }

.table-wrap { overflow-x: auto; margin: 1rem 0; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th, td {
  text-align: left;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th { color: var(--text); font-weight: 600; background: var(--surface); }
td { color: var(--muted); }

.callout {
  background: var(--surface);
  border-left: 3px solid var(--warn);
  padding: 1rem 1.15rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.25rem 0;
}

.callout p { margin: 0; }

.legal-meta {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.75rem 0 2rem;
  background: var(--surface);
  margin-top: auto;
}

.site-footer .inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-links { display: flex; flex-wrap: wrap; gap: 0.85rem 1.15rem; }
.footer-links a { color: var(--muted); font-size: 0.9rem; }
.footer-links a:hover { color: var(--text); }

.footer-note { font-size: 0.85rem; color: var(--muted); max-width: 28em; }

@media (max-width: 560px) {
  .price { font-size: 1.65rem; }
  .site-header .inner { flex-direction: column; align-items: flex-start; }
}