html {
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

body {
  background:
    radial-gradient(circle at 12% 0%, rgba(0, 147, 222, 0.18), transparent 26rem),
    radial-gradient(circle at 88% 12%, rgba(15, 52, 88, 0.12), transparent 32rem),
    linear-gradient(180deg, #eef4f9 0%, #ffffff 28%, #f2f7fb 100%);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-md);
}

main {
  overflow: clip;
}

section[id] {
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

h1,
h2,
h3 {
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

h1 {
  font-size: clamp(2.3rem, 4vw, 3.9rem);
  max-width: 12.5ch;
}

h2 {
  font-size: clamp(1.55rem, 2vw, 1.95rem);
  max-width: 18ch;
}

h3 {
  font-size: 1.55rem;
}

p,
li {
  color: var(--color-text-soft);
}

p {
  max-width: 68ch;
}

a {
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(0, 147, 222, 0.22);
  outline-offset: 3px;
}

code {
  border-radius: 0.6rem;
  background: rgba(15, 23, 32, 0.06);
  padding: 0.2rem 0.45rem;
  color: var(--color-text);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.92em;
}