:root {
  --bg: #ffffff;
  --bg-alt: #f4f7fb;
  --text: #1f2937;
  --muted: #5f6b7a;
  --border: #d9e2ec;
  --brand-dark: #0f1f3d;
  --brand: #1f4f8a;
  --brand-light: #2f6fc0;
  --accent: #0e7490;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(15, 31, 61, 0.08);
  --radius: 14px;
  --radius-sm: 10px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}

img {
  max-width: 100%;
  display: block;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(var(--max), 92%);
  margin: 0 auto;
}

.narrow {
  width: min(820px, 100%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 31, 61, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 20px;
}

.brand {
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.2px;
  white-space: nowrap;
}

.brand:hover {
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 22px;
  align-items: center;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  font-size: 0.97rem;
}

.site-nav a.active,
.site-nav a:hover {
  color: var(--white);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: transparent;
  color: var(--white);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 1.1rem;
  cursor: pointer;
}

.hero {
  background:
    linear-gradient(135deg, rgba(15, 31, 61, 0.96), rgba(31, 79, 138, 0.92)),
    radial-gradient(circle at top right, rgba(255,255,255,0.12), transparent 35%);
  color: var(--white);
  padding: 88px 0 90px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 36px;
  align-items: center;
}

.eyebrow,
.section-label {
  text-transform: uppercase;
  letter-spacing: 1.6px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #9ed0ff;
}

.hero h1,
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.15;
  margin: 0 0 18px;
}

.hero-text,
.page-hero p {
  font-size: 1.08rem;
  max-width: 780px;
  color: rgba(255, 255, 255, 0.92);
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--white);
  color: var(--brand-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.hero-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.hero-card h2 {
  margin-top: 0;
  font-size: 1.2rem;
}

.feature-list {
  margin: 0;
  padding-left: 18px;
}

.feature-list li {
  margin: 10px 0;
}

.page-hero {
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  color: var(--white);
  padding: 72px 0;
}

.section {
  padding: 76px 0;
}

.section.alt {
  background: var(--bg-alt);
}

.section-heading {
  margin-bottom: 28px;
}

.section-heading h2,
.section h2 {
  font-size: clamp(1.6rem, 2vw, 2.4rem);
  line-height: 1.2;
  margin: 0 0 12px;
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.card h3,
.card h2 {
  margin-top: 0;
}

.card-wide {
  margin-bottom: 22px;
}

.stack {
  display: grid;
  gap: 22px;
}

.split {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 28px;
  align-items: start;
}

.info-panel,
.contact-box {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}

.center {
  text-align: center;
  margin-top: 28px;
}

.text-link {
  font-weight: 700;
}

.site-footer {
  background: #0d172c;
  color: rgba(255, 255, 255, 0.86);
  margin-top: 0;
  padding-top: 42px;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.88);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 28px;
}

.footer-grid h3,
.footer-grid h4 {
  color: var(--white);
  margin-top: 0;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin: 10px 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: 24px;
  padding: 18px 0 26px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
}

p, li {
  color: var(--muted);
}

.hero p,
.page-hero p,
.site-footer p,
.site-footer li {
  color: inherit;
}

ul {
  padding-left: 20px;
}

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

  .hero {
    padding: 72px 0 76px;
  }
}

@media (max-width: 760px) {
  .nav {
    min-height: 68px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--brand-dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 4%;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  body.nav-open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 8px 0;
  }

  .section,
  .page-hero {
    padding: 58px 0;
  }
}