/* Reset mínimo + estilos base semánticos */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font-family);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden; /* red de seguridad: la meta es 0 overflow por diseño, no por recorte */
}

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

h1, h2, h3, h4 { font-weight: 700; line-height: var(--lh-heading); color: var(--color-neutral-900); letter-spacing: -0.01em; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); font-weight: 600; }

p { color: var(--color-text); }

a { color: var(--color-primary-600); text-decoration: none; }
a:hover { text-decoration: underline; }

ul, ol { list-style: none; padding: 0; }

button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

input, textarea, select { font: inherit; }

:focus-visible {
  outline: 2px solid var(--color-primary-400);
  outline-offset: 2px;
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem; top: -3rem;
  background: var(--color-primary-700);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 200;
  transition: top var(--dur-base) var(--ease-standard);
}
.skip-link:focus { top: 1rem; }

section { padding-block: var(--section-y); }

.eyebrow {
  display: inline-block;
  font-size: var(--fs-caption);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-600);
  margin-bottom: var(--space-3);
}