*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 20rem;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-canvas);
  color: var(--color-body);
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0 0 auto;
  z-index: -1;
  height: 25rem;
  background: radial-gradient(circle at 20% 0%, var(--glow-sky), transparent 42%),
    radial-gradient(circle at 85% 5%, var(--glow-blue), transparent 38%);
  content: "";
  pointer-events: none;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: var(--color-brand-blue);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 0.12em;
}

:focus-visible {
  border-radius: var(--radius-xs);
  outline: none;
  box-shadow: var(--focus-ring);
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
figure,
blockquote {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--color-brand-navy);
  line-height: 1.3;
}

h1 {
  margin-bottom: var(--space-lg);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.025em;
}

h2 {
  margin-bottom: var(--space-md);
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  letter-spacing: -0.02em;
}

h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

p,
li {
  max-width: 80ch;
}

strong {
  color: var(--color-ink);
  font-weight: 600;
}

.container {
  width: min(100% - 4rem, var(--content-max));
  margin-inline: auto;
}

.reading-width {
  max-width: var(--reading-max);
}

.skip-link {
  position: fixed;
  top: var(--space-sm);
  left: var(--space-sm);
  z-index: 100;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  background: var(--color-brand-navy-strong);
  color: var(--color-on-dark);
  transform: translateY(-200%);
}

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

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.numeric {
  font-family: var(--font-numeric);
  font-variant-numeric: tabular-nums;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
  color: var(--color-brand-blue);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 1.5rem;
  height: 2px;
  background: currentColor;
  content: "";
}

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

.surface-section {
  padding-block: var(--space-section);
}

@media (max-width: 639px) {
  .container {
    width: min(100% - 2rem, var(--content-max));
  }

  .surface-section {
    padding-block: var(--space-xxl);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (prefers-contrast: more) {
  :root {
    --color-body: var(--color-body-contrast);
    --color-muted: var(--color-muted-contrast);
    --color-border: var(--color-border-contrast);
    --color-border-strong: var(--color-border-strong-contrast);
  }
}