/* BNK Cloud Contracts — corporate site */
:root {
  --bg: #f7f9fc;
  --card: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --accent: #1e3a5f;
  --accent-soft: #2d5a87;
  --line: #e2e8f0;
  --max: 760px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 17px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
}

a {
  color: var(--accent-soft);
}

a:hover {
  color: var(--accent);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--line);
  background: var(--card);
}

.brand {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--accent);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
  font-size: 0.82rem;
}

.site-nav a {
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  font-weight: 600;
}

.site-nav a:hover {
  color: var(--accent);
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

h1 {
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
  color: var(--accent);
}

.lead {
  font-size: 1.12rem;
  color: var(--muted);
  margin: 0 0 2rem;
}

.meta {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 2rem;
}

h2 {
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin: 2.25rem 0 0.75rem;
}

p,
li {
  margin: 0 0 1rem;
}

ul {
  padding-left: 1.25rem;
}

.hero-panel {
  background: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 100%);
  color: #f8fafc;
  border-radius: 14px;
  padding: 2.25rem 1.75rem;
  margin-bottom: 2rem;
}

.hero-panel h1 {
  color: #fff;
  margin-bottom: 0.5rem;
}

.hero-panel .lead {
  color: #dbeafe;
  margin-bottom: 0;
}

.card-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.25rem 1.35rem;
  text-decoration: none;
  color: inherit;
}

.card:hover {
  border-color: #94a3b8;
}

.card strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--accent);
}

.card span {
  font-size: 0.92rem;
  color: var(--muted);
}

.fact-grid {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0 0;
}

.fact {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.9rem 1rem;
}

.fact dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.fact dd {
  margin: 0;
  font-weight: 600;
}

.notice {
  font-size: 0.9rem;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  padding: 1rem 1.1rem;
  margin-bottom: 1.5rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: 1fr 1fr;
  }

  .fact-grid {
    grid-template-columns: 1fr 1fr;
  }
}