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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--body);
  line-height: 1.65;
  color: var(--ink);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--off-black);
  line-height: 1.2;
  margin: 0 0 0.6em;
  font-weight: 700;
}

h1 { font-size: var(--h1); }
h2 { font-size: var(--h2); }
h3 { font-size: var(--h3); }

p {
  margin: 0 0 1.1em;
}

a {
  color: var(--petroleo);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--petroleo-deep);
}

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

ul, ol {
  padding-left: 1.3em;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--space);
}

.container.narrow {
  max-width: 520px;
  text-align: center;
}

.mt-10 { margin-top: 1rem; }

.mt-16 { margin-top: 1.6rem; }

.mt-20 { margin-top: 2rem; }

.mt-24 { margin-top: 2.4rem; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--petroleo-deep);
  color: #fff;
  padding: 0.7em 1.2em;
  border-radius: 0 0 10px 0;
  z-index: 100;
  text-decoration: none;
}

.skip-link:focus {
  left: 0;
}

[id] {
  scroll-margin-top: 88px;
}

:focus-visible {
  outline: 3px solid var(--petroleo);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px var(--surface);
}

.page-banner :focus-visible,
.section-dark :focus-visible,
.card-dark :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--sage-lighter);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
  }
}