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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-text);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-4);
}

h1 { font-size: clamp(2rem, 4vw + 1rem, 3.25rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 2vw + 1rem, 2.25rem); font-weight: 700; }
h3 { font-size: 1.35rem; font-weight: 700; }
h4 { font-size: 1.1rem; font-weight: 700; }

p { margin: 0 0 var(--space-4); }

a {
  color: var(--color-primary);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}
a:hover { color: var(--color-primary-dark); }

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

ul { padding-left: 1.25rem; }
li { margin-bottom: var(--space-2); }

blockquote {
  margin: var(--space-6) 0;
  padding: var(--space-4) var(--space-6);
  border-left: 4px solid var(--color-primary);
  background: var(--color-secondary);
  font-style: italic;
  border-radius: var(--radius-sm);
  color: var(--color-text);
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-10) 0;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}