/* ==========================================================================
   Base · reset, tipografía, layout y utilidades
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--f-body);
  font-size: var(--fs-base);
  font-weight: var(--w-light);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video, iframe { display: block; max-width: 100%; }
main { overflow-x: clip; }
img { height: auto; }
svg { flex-shrink: 0; }

h1, h2, h3, h4, h5, p, ul, ol, figure, blockquote, dl, dd { margin: 0; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

strong, b { font-weight: var(--w-semibold); }
em { font-style: italic; }

::selection { background: var(--lila); color: var(--tinta); }

:focus-visible {
  outline: 2px solid var(--c-focus);
  outline-offset: 3px;
  border-radius: var(--r-xs);
}

/* --- Tipografía ------------------------------------------------------------ */
h1, h2, h3, h4,
.display {
  font-family: var(--f-display);
  font-weight: 400;
  color: var(--c-heading);
  letter-spacing: var(--track-display);
  line-height: var(--lh-tight);
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); line-height: var(--lh-snug); }
h4 { font-size: var(--fs-h4); line-height: var(--lh-snug); }

p { text-wrap: pretty; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--f-body);
  font-size: var(--fs-xs);
  font-weight: var(--w-semibold);
  letter-spacing: var(--track-eyebrow);
  text-transform: uppercase;
  color: var(--c-primary);
  line-height: 1.4;
}
.eyebrow::before {
  content: "";
  width: 1.75rem;
  height: 1px;
  background: var(--c-accent-line);
}
.eyebrow--plain::before { display: none; }

.caps {
  font-family: var(--f-display);
  text-transform: uppercase;
  letter-spacing: var(--track-caps);
}

.lead {
  font-size: var(--fs-lg);
  line-height: 1.6;
  color: var(--c-text-muted);
  max-width: 38em;
}

.quote-accent {
  font-style: italic;
  font-weight: var(--w-light);
  color: var(--c-primary);
}

.muted { color: var(--c-text-muted); }

/* --- Layout ------------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: calc(var(--container-narrow) + var(--gutter) * 2); }

.section { padding-block: var(--sp-section); position: relative; }
.section--sm { padding-block: var(--sp-section-sm); }
.section--alt { background: var(--c-bg-alt); }
.section--lila { background: var(--lila); }
.section--dark {
  background: var(--c-dark-bg);
  color: var(--c-dark-text);
}
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: var(--blanco); }
.section--dark .eyebrow { color: var(--lila); }
.section--dark .eyebrow::before { background: var(--lavanda); }
.section--dark .lead,
.section--dark .muted { color: var(--c-dark-muted); }
.section--dark :focus-visible { outline-color: var(--lila); }

.section-head {
  display: grid;
  gap: var(--sp-4);
  margin-bottom: clamp(2.5rem, 1.8rem + 2.5vw, 4rem);
  max-width: 46rem;
}
.section-head--center { margin-inline: auto; text-align: center; justify-items: center; }
.section-head--split {
  max-width: none;
  grid-template-columns: 1fr;
  align-items: end;
}
@media (min-width: 64em) {
  .section-head--split { grid-template-columns: 1.1fr 0.9fr; gap: var(--sp-8); }
}

.stack > * + * { margin-top: var(--flow, var(--sp-4)); }

/* --- Utilidades ----------------------------------------------------------- */
.visually-hidden {
  position: absolute !important;
  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: var(--sp-4);
  top: -100px;
  z-index: calc(var(--z-header) + 1);
  padding: var(--sp-3) var(--sp-5);
  background: var(--c-primary);
  color: var(--c-on-primary);
  font-weight: var(--w-semibold);
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: top var(--t-base) var(--ease-out);
}
.skip-link:focus { top: var(--sp-4); }

.ico { width: 1.25em; height: 1.25em; }

.divider-axis {
  width: 1px;
  height: clamp(3rem, 6vw, 5rem);
  margin-inline: auto;
  background: repeating-linear-gradient(to bottom, var(--malva) 0 4px, transparent 4px 9px);
}