* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: linear-gradient(
    180deg,
    var(--colour-white) 0%,
    #f8fafc 100%
  );
  color: var(--colour-text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--colour-navy);
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

h1 span {
  display: block;
  color: var(--colour-teal);
}

h2 {
  margin-bottom: 16px;
  font-size: 1.8rem;
  line-height: 1.2;
}

h3 {
  margin-bottom: 6px;
  font-size: 1rem;
}

ul {
  margin-top: 0;
}