/* base.css — tokens CUAC, reset mínimo, tipografía y utilidades. */
:root {
  --teal: #1d6b85;
  --teal-deep: #165268;
  --ink: #0e2f3b;
  --accent: #e8891d;
  --grey: #949696;
  --bg: #ffffff;
  --bg-alt: #f4f7f8;
  --border: #dde4e6;
  --border-soft: #e8edee;
  --muted: #3d5a66;
  --on-dark: #d3dee2;

  --wrap: 1040px;
  --measure: 62ch;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;

  --step: 1.5rem;
  --gap: 1.25rem;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-padding-top: 5.5rem; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4 { line-height: 1.2; margin: 0; text-wrap: balance; }

h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 1.35rem + 2.4vw, 2.9rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 1rem;
}

h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 1.25rem + 0.9vw, 1.9rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.75rem;
}

h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--teal);
  margin: 0 0 0.4rem;
}

h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.2rem;
}

p { margin: 0 0 1rem; text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0; padding: 0; }

a { color: var(--teal); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--ink); }

strong { font-weight: 600; }

small { font-size: 0.8125rem; }

address { font-style: normal; }

::selection { background: var(--accent); color: var(--ink); }

/* Utilidades de retícula */
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1.5rem; }
.narrow { max-width: 46rem; }
.measure { max-width: var(--measure); }

/* Etiqueta de sección: filete naranja + versalitas */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin: 0 0 0.85rem;
}
.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 2px;
  background: var(--accent);
  flex: none;
}
.eyebrow .num { color: var(--grey); font-variant-numeric: tabular-nums; }

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 0.65rem 1rem;
  z-index: 99;
}
.skip:focus { left: 0.5rem; top: 0.5rem; }

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}
.hero :focus-visible { outline-color: var(--accent); }