:root {
  --bg-ice: #F5FAFC;
  --glacier: #7FB7D4;
  --glacier-deep: #2E7FAE;
  --navy-deep: #1F3B4D;
  --text-main: #1F2933;
  --text-muted: #4B5563;
  --card-bg: #ffffff;
  --border-soft: #d8e5ee;
}

/* Global */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-ice);
  line-height: 1.6;
}

/* Layout */

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */

.site-header {
  background: linear-gradient(
    135deg,
    rgba(127, 183, 212, 0.18),
    rgba(46, 127, 174, 0.08)
  );
  border-bottom: 1px solid var(--border-soft);
  padding: 56px 0;
  margin-bottom: 40px;
}

.site-header h1 {
  font-size: 2.2rem;
  font-weight: 600;
  letter-spacing: 0.15rem;
  text-transform: uppercase;
  color: var(--navy-deep);
  margin: 0;
}

.tagline {
  margin-top: 10px;
  font-size: 1.05rem;
  color: #3f5f78;
}

/* Main content */

.main-content {
  background-color: var(--card-bg);
  border-radius: 10px;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.04);
  padding: 40px 32px 32px;
  margin-bottom: 60px;
}

.lede {
  font-size: 1rem;
  color: var(--text-muted);
  margin-top: 0;
  margin-bottom: 28px;
}

.columns {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin-bottom: 32px;
}

.column {
  flex: 1 1 260px;
}

h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy-deep);
  margin-top: 0;
}

ul {
  padding-left: 18px;
  margin-top: 8px;
}

li {
  margin-bottom: 6px;
  color: var(--text-muted);
}

/* Focus section */

.focus {
  border-top: 1px solid var(--border-soft);
  padding-top: 24px;
  margin-top: 8px;
  margin-bottom: 32px;
}

.focus p {
  margin: 0;
  color: var(--text-muted);
}

/* CTA */

.cta {
  border-top: 1px solid var(--border-soft);
  padding-top: 24px;
  margin-top: 8px;
  margin-bottom: 24px;
}

.cta p {
  margin-bottom: 16px;
  color: var(--text-muted);
}

.button {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 999px;
  background-color: var(--glacier-deep);
  color: #ffffff;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease, background-color 0.1s ease;
}

.button:hover {
  background-color: var(--navy-deep);
  box-shadow: 0 8px 20px rgba(31, 59, 77, 0.25);
  transform: translateY(-1px);
}

/* Links */

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

a:hover {
  text-decoration: underline;
}

/* Footer note */

.footer-note {
  border-top: 1px solid var(--border-soft);
  padding-top: 16px;
  margin-top: 8px;
}

.footer-note p {
  font-size: 0.85rem;
  color: #6b7280;
  margin: 0;
}

/* Responsive */

@media (max-width: 640px) {
  .main-content {
    padding: 28px 18px 24px;
  }

  .site-header {
    padding: 40px 0;
  }

  .site-header h1 {
    font-size: 1.8rem;
    letter-spacing: 0.12rem;
  }
}