:root {
  --color-navy: #081f3f;
  --color-navy-900: #06172f;
  --color-navy-800: #0d2b56;
  --color-blue: #0078d4;
  --color-blue-700: #005fb0;
  --color-blue-100: #e7f3ff;
  --color-red: #e63946;
  --color-bg: #f5f7fa;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #5f6b7a;
  --color-line: #dce4ef;
  --color-soft: #eef4fb;
  --shadow-soft: 0 18px 50px rgba(8, 31, 63, 0.1);
  --shadow-card: 0 12px 32px rgba(8, 31, 63, 0.08);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --container: 1280px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid rgba(0, 120, 212, 0.45);
  outline-offset: 3px;
}

.skip-link {
  background: var(--color-navy);
  color: var(--color-surface);
  left: 1rem;
  padding: 0.65rem 1rem;
  position: fixed;
  top: 1rem;
  transform: translateY(-150%);
  z-index: 1000;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-shell {
  min-height: 100vh;
  overflow-x: clip;
}

.container {
  margin: 0 auto;
  max-width: var(--container);
  padding: 0 var(--space-6);
  width: 100%;
}

.section {
  padding: var(--space-20) 0;
}

.section-tight {
  padding: var(--space-16) 0;
}

.section-dark {
  background: var(--color-navy);
  color: var(--color-surface);
}

.section-white {
  background: var(--color-surface);
}

.eyebrow {
  align-items: center;
  color: var(--color-blue);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 800;
  gap: var(--space-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  background: var(--color-red);
  content: "";
  height: 8px;
  width: 8px;
}

h1,
h2,
h3,
h4 {
  color: var(--color-navy);
  line-height: 1.08;
  margin: 0;
}

h1 {
  font-size: clamp(2.75rem, 5vw, 4.8rem);
  letter-spacing: -0.02em;
  line-height: 1.08;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.45rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
}

h4 {
  font-size: 1rem;
}

p {
  margin: 0;
}

.lead {
  color: var(--color-muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.72;
  max-width: 720px;
}

.section-heading {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
  max-width: 820px;
}

.section-heading.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-heading.center .eyebrow {
  justify-content: center;
}

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

.text-blue {
  color: var(--color-blue);
}

.text-red {
  color: var(--color-red);
}