/* ==========================================================================
   AdriCare: reset mínimo, tipografía base y utilidades de layout
   ========================================================================== */

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

:where(html) {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + var(--space-4));
  /* Reserva el hueco de la barra siempre, para que el ancho no salte
     entre una página corta y una larga. */
  scrollbar-gutter: stable;
}

:where(body) {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  /* clip recorta sin crear contenedor de scroll, así los dos márgenes
     siguen siendo iguales cuando aparece la barra lateral. */
  overflow-x: clip;
}

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

:where(h1, h2, h3, h4, p, ul, ol, dl, figure, blockquote) { margin: 0; }
:where(ul, ol) { padding: 0; list-style: none; }

:where(h1, h2, h3, h4) {
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  letter-spacing: -0.025em;
  text-wrap: balance;
}

:where(h1) { line-height: var(--leading-tight); letter-spacing: -0.04em; }

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); line-height: var(--leading-snug); }

:where(p) { text-wrap: pretty; }

:where(a) {
  color: var(--color-brand-ink);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
:where(a:hover) { color: var(--color-brand-active); }

:where(button, input, select, textarea) {
  font: inherit;
  color: inherit;
}

/* Foco visible y consistente en todo lo interactivo. */
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

::selection {
  background: var(--color-brand-line);
  color: var(--color-text);
}

/* --- Utilidades ---------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: var(--section-y); }
.section--crema { background-color: var(--color-bg-alt); }

/* Un campo de naranja pleno, una sola vez en la página, donde se decide. */
.section--naranja {
  background-color: var(--color-brand);
  color: var(--color-on-brand);
}

.section--naranja :is(.lede, .text-muted, p) { color: inherit; }
.section--naranja .text-sm { opacity: 0.8; }

.section--alt { background-color: var(--color-bg-alt); }

.section__head {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
}

/* La medida se limita por elemento: el titular corto, el texto a medida de lectura. */
.section__head h2 { max-width: 20ch; }
.section__head .lede { max-width: var(--measure); }

.eyebrow {
  font-size: var(--text-md);
  font-weight: var(--weight-medium);
  color: var(--color-brand-ink);
}

.lede {
  font-size: clamp(1.125rem, 1rem + 0.6vw, 1.5rem);
  line-height: 1.4;
  color: var(--color-text-muted);
}

.text-muted { color: var(--color-text-muted); }
.text-sm { font-size: var(--text-sm); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: calc(var(--z-header) + 10);
  transform: translateY(-200%);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  color: var(--color-text);
  border: 2px solid var(--color-brand-ink);
  border-radius: var(--radius-sm);
  font-weight: var(--weight-medium);
  text-decoration: none;
  transition: transform var(--duration-fast) var(--ease-out);
}
.skip-link:focus-visible { transform: translateY(0); }

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