:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --text: #10243d;
  --muted: #4a5c72;
  --primary: #0f3b66;
  --accent: #1f7a8c;
  --border: #d9e1ea;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

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

.brand {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.nav a {
  font-size: 0.95rem;
  color: var(--text);
}

.btn {
  display: inline-block;
  padding: 0.62rem 0.95rem;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 600;
}

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

.btn-primary:hover {
  background: #0d3153;
  text-decoration: none;
}

.btn-secondary {
  border-color: var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-secondary:hover {
  background: #eef4fa;
  text-decoration: none;
}

.hero {
  background: linear-gradient(120deg, #eff5fb 0%, #f7fafc 60%, #ffffff 100%);
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  padding: 4.2rem 0 3.8rem;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin-top: 0;
}

h1 {
  font-size: clamp(1.8rem, 4.2vw, 2.8rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  margin-bottom: 0.8rem;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 760px;
}

.section {
  padding: 3rem 0;
}

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

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}

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

.highlight {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem;
}

ul.clean {
  margin: 0;
  padding-left: 1.1rem;
}

.cta-band {
  background: #0f3b66;
  color: #fff;
  padding: 2.2rem 0;
}

.cta-band .btn-secondary {
  border-color: #fff;
  color: #fff;
}

.cta-band .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.site-footer {
  background: #0e1b2d;
  color: #d6dfeb;
  padding: 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1rem;
}

.site-footer a {
  color: #e8f1fb;
}

form {
  display: grid;
  gap: 0.85rem;
  max-width: 640px;
}

label {
  font-weight: 600;
  font-size: 0.95rem;
}

input,
textarea {
  width: 100%;
  padding: 0.65rem 0.72rem;
  border: 1px solid #bac7d6;
  border-radius: 8px;
  font: inherit;
}

textarea {
  min-height: 130px;
  resize: vertical;
}

@media (max-width: 840px) {
  .header-row {
    flex-direction: column;
    align-items: flex-start;
  }

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