/* ==========================================================================
   Cooperación Bolivia — Base (reset moderno + tipografía + layout)
   ========================================================================== */

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

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 90px; /* compensa header sticky al anclar */
}

body {
  font-family: var(--cb-font-body);
  font-size: var(--cb-fs-base);
  line-height: var(--cb-lh-normal);
  color: var(--cb-ink);
  background: var(--cb-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a { color: var(--cb-primary); text-decoration: none; transition: color var(--cb-dur-fast) var(--cb-ease); }
a:hover { color: var(--cb-primary-700); }

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

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

:focus-visible {
  outline: 3px solid var(--cb-secondary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---- Tipografía ---- */
h1, h2, h3, h4 {
  font-family: var(--cb-font-head);
  font-weight: 900;
  line-height: var(--cb-lh-tight);
  letter-spacing: -0.015em;
  color: var(--cb-ink);
  text-wrap: balance;
}
h1 { font-size: var(--cb-fs-h1); }
h2 { font-size: var(--cb-fs-h2); }
h3 { font-size: var(--cb-fs-h3); font-weight: 700; letter-spacing: -0.01em; }
h4 { font-size: var(--cb-fs-lg); font-weight: 700; }

p { max-width: 68ch; }
p + p { margin-top: var(--cb-sp-4); }

strong { font-weight: 700; color: var(--cb-ink); }

/* Realce de palabra clave con color de marca */
.cb-accent { color: var(--cb-primary); }
.cb-accent-2 { color: var(--cb-secondary); }

/* Degradado en texto (titulares destacados) */
.cb-gradient-text {
  background: var(--cb-grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---- Layout helpers ---- */
.cb-container {
  width: 100%;
  max-width: var(--cb-container);
  margin-inline: auto;
  padding-inline: var(--cb-gutter);
}
.cb-container.is-narrow { max-width: var(--cb-container-narrow); }

.cb-section { padding-block: clamp(3.5rem, 7vw, 7rem); }
.cb-section.is-surface { background: var(--cb-surface); }
.cb-section.is-brand { background: var(--cb-grad-brand); color: #fff; }
.cb-section.is-brand h1,
.cb-section.is-brand h2,
.cb-section.is-brand h3 { color: #fff; }

.cb-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--cb-sp-2);
  font-family: var(--cb-font-head);
  font-weight: 700;
  font-size: var(--cb-fs-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cb-primary);
}
.cb-eyebrow::before {
  content: "";
  width: 26px; height: 2px;
  background: var(--cb-grad-brand);
  border-radius: 2px;
}
.is-brand .cb-eyebrow { color: rgba(255,255,255,0.92); }
.is-brand .cb-eyebrow::before { background: rgba(255,255,255,0.7); }

.cb-section-head { max-width: 760px; margin-bottom: var(--cb-sp-7); }
.cb-section-head.is-center { margin-inline: auto; text-align: center; }
.cb-section-head p { color: var(--cb-muted); font-size: var(--cb-fs-lg); margin-top: var(--cb-sp-4); }
.cb-section-head.is-center p { margin-inline: auto; }
.is-brand .cb-section-head p { color: rgba(255,255,255,0.9); }

.cb-lead { font-size: var(--cb-fs-lg); color: #4a4a4a; }

/* Grid utilitario */
.cb-grid { display: grid; gap: var(--cb-sp-6); }
@media (min-width: 640px) { .cb-grid.cols-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) {
  .cb-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
  .cb-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
}

.cb-divider { height: 1px; background: var(--cb-line); border: 0; }

/* Accesibilidad: salto al contenido */
.cb-skip-link {
  position: absolute; left: var(--cb-sp-4); top: -60px;
  background: var(--cb-primary); color: #fff;
  padding: var(--cb-sp-2) var(--cb-sp-4); border-radius: var(--cb-radius-sm);
  z-index: var(--cb-z-modal); transition: top var(--cb-dur) var(--cb-ease);
}
.cb-skip-link:focus { top: var(--cb-sp-4); color: #fff; }

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