/**
 * KIRMA — Estilos Base y Tipografía Editorial.
 */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--kirma-text-body);
  background-color: var(--kirma-bg-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Enlace de accesibilidad para saltar al contenido principal */
.skip-to-content {
  position: absolute;
  top: -40px;
  left: 20px;
  background: var(--kirma-green-700);
  color: #ffffff;
  padding: 8px 16px;
  z-index: 9999;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-to-content:focus {
  top: 10px;
  outline: 3px solid var(--kirma-earth-500);
}

/* Tipografía de Encabezados */
h1, h2, h3, h4, h5, h6 {
  color: var(--kirma-text-main);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

h2 {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--kirma-green-700);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--kirma-green-500);
}

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--kirma-green-700);
  outline-offset: 2px;
}

img, svg {
  display: block;
  max-width: 100%;
}

/* Contenedores */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  max-width: 960px;
}

.container-tight {
  max-width: 760px;
}

/* Utilidades Tipográficas y Tags Técnicos */
.font-mono {
  font-family: var(--font-mono);
}

.tag-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--kirma-text-muted);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--kirma-bg-cream);
  color: var(--kirma-earth-800);
  border: 1px solid var(--kirma-border-main);
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-xs);
  margin-bottom: 1rem;
}

.section-tag::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--kirma-green-700);
  border-radius: 50%;
}

.section-header {
  margin-bottom: 2.5rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--kirma-text-muted);
  max-width: 680px;
  line-height: 1.5;
}