:root {
  --helloch-color-bg: #f4f6f9;
  --helloch-color-surface: #ffffff;
  --helloch-color-text: #152238;
  --helloch-color-muted: #5f6f82;
  --helloch-color-accent: #c41e3a;
  --helloch-color-accent-hover: #9e1830;
  --helloch-color-navy: #1a2b3c;
  --helloch-color-sky: #5ba4d9;
  --helloch-color-border: #dde4ec;
  --helloch-color-link: #1e4d78;
  --helloch-color-success: #0d6b4d;
  --helloch-radius: 10px;
  --helloch-radius-lg: 16px;
  --helloch-container: 76rem;
  --helloch-container-narrow: 48rem;
  --helloch-shadow: 0 1px 2px rgba(21, 34, 56, 0.06);
  --helloch-shadow-md: 0 12px 32px rgba(21, 34, 56, 0.12);
  --helloch-font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --helloch-font-sans: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --helloch-space-xs: 0.5rem;
  --helloch-space-sm: 0.75rem;
  --helloch-space-md: 1rem;
  --helloch-space-lg: 1.5rem;
  --helloch-space-xl: 2rem;
  --helloch-space-2xl: 3rem;
  --helloch-space-3xl: 4.5rem;
  --helloch-header-height: 4.5rem;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--helloch-font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--helloch-color-text);
  background: var(--helloch-color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--helloch-font-serif);
  font-weight: 600;
  line-height: 1.2;
  margin-top: 0;
}

h1 { font-size: clamp(2rem, 4vw, 2.875rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p { margin: 0 0 var(--helloch-space-md); }

a {
  color: var(--helloch-color-link);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--helloch-color-accent);
}

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

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