html {
  box-sizing: border-box;
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary-2);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-md);
  color: var(--color-primary);
}

h1 { font-size: clamp(2.3rem, 5vw, 4rem); }
h2 { font-size: clamp(1.7rem, 4vw, 2.7rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.55rem); }
h4 { font-size: 1.1rem; }

p, ul, ol {
  margin: 0 0 var(--space-lg);
}

p {
  max-width: 70ch;
}

ul, ol {
  padding-left: 1.2rem;
}

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

strong {
  color: var(--color-dark);
}