:root {
  --navy-950: #0a2340;
  --navy-900: #12335e;
  --navy-700: #1f4b82;
  --navy-100: #eaf1f8;
  --white: #ffffff;
  --ink: #122033;
  --muted: #4a5f7b;
  --line: #d2deea;
  --radius: 14px;
  --shadow: 0 12px 32px rgba(13, 37, 71, 0.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Source Sans 3", Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #f7fbff 0%, var(--white) 40%);
  line-height: 1.6;
}

h1,
h2,
h3 {
  font-family: "Montserrat", Arial, sans-serif;
  line-height: 1.2;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 74px;
}

.brand {
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy-900);
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 1.2rem;
}

.nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
}

.nav a:hover {
  color: var(--navy-700);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--navy-900);
  font-weight: 700;
  padding: 0.4rem 0.75rem;
  border-radius: 9px;
}

.hero {
  background: radial-gradient(circle at 10% 10%, #2a5f9f 0%, var(--navy-950) 65%);
  color: var(--white);
  padding: 6rem 0 5rem;
}

.hero-content {
  max-width: 820px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  font-weight: 700;
  opacity: 0.9;
  margin-bottom: 0.75rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.3rem);
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  color: #e1edff;
  max-width: 760px;
}

.section {
  padding: 4.5rem 0;
}

.section h2 {
  color: var(--navy-900);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin-bottom: 1rem;
}

.intro {
  color: var(--muted);
  margin-bottom: 1.2rem;
}

.split {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  align-items: start;
}

.highlight-card {
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: var(--shadow);
}

.alt {
  background: var(--navy-100);
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.card h3 {
  color: var(--navy-900);
  margin-bottom: 0.5rem;
}

.timeline {
  margin: 1.2rem 0;
  padding-left: 1.2rem;
}

.timeline li {
  margin-bottom: 0.55rem;
}

.feature {
  background: linear-gradient(180deg, #eff6fd 0%, #dceafa 100%);
}

.feature-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 1.2rem;
  align-items: stretch;
}

.feature-box {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.feature-box ul {
  padding-left: 1.2rem;
}

.site-footer {
  background: var(--navy-950);
  color: #dce9fb;
  padding: 3rem 0 1.25rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.6rem;
}

.site-footer h2 {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: 0.55rem;
}

.site-footer a {
  color: #f6fbff;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contact-button {
  display: inline-block;
  margin-top: 0.35rem;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(246, 251, 255, 0.7);
  text-decoration: none;
  font-weight: 700;
}

.contact-button:hover {
  background: rgba(246, 251, 255, 0.12);
}

.copyright {
  text-align: center;
  border-top: 1px solid rgba(220, 233, 251, 0.22);
  padding-top: 0.95rem;
  color: #bbd0ee;
  font-size: 0.95rem;
}

@media (max-width: 920px) {
  .split,
  .feature-grid,
  .cards,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-block;
  }

  .nav {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
  }

  .nav a {
    padding: 0.9rem 4%;
    border-top: 1px solid var(--line);
  }

  .nav.open {
    display: flex;
  }

  .hero {
    padding-top: 5.2rem;
  }
}