html {
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  background-color: var(--color-bg-primary);
  color: var(--color-text-light);
  overflow-x: hidden;
}

/* Tipografía display */
h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: 0.02em;
  color: inherit;
}

h1 {
  font-size: clamp(2.25rem, 4vw + 1rem, 4.5rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
}

h2 {
  font-size: clamp(1.875rem, 2vw + 1rem, 3rem);
  line-height: 1.1;
  font-weight: 400;
}

h3 {
  font-size: clamp(1.375rem, 1vw + 0.75rem, 1.75rem);
  line-height: 1.25;
  font-weight: 400;
}

h4 {
  font-size: clamp(1.125rem, 0.5vw + 0.9rem, 1.25rem);
  line-height: 1.3;
  font-weight: 500;
}

p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

p.lead {
  font-size: 1.125rem;
  color: var(--color-text-light);
}

/* Overline: pequeño texto dorado antes de títulos */
.overline {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-md);
}

/* Línea dorada decorativa */
.gold-line {
  display: block;
  width: 60px;
  height: 1px;
  background: var(--color-gold);
  margin-bottom: var(--space-md);
  border: none;
}

.gold-line.centered {
  margin-left: auto;
  margin-right: auto;
}

/* Contenedores */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Secciones */
section {
  padding: var(--space-2xl) 0;
}

/* Contextos cromáticos */
.bg-dark {
  background-color: var(--color-bg-primary);
  color: var(--color-text-light);
}

.bg-deep {
  background-color: var(--color-bg-deep);
  color: var(--color-text-light);
}

.bg-secondary {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-light);
}

.bg-light {
  background-color: var(--color-bg-light);
  color: var(--color-text-dark);
}

.bg-soft {
  background-color: var(--color-bg-soft);
  color: var(--color-text-dark);
}

.bg-light p,
.bg-soft p {
  color: var(--color-text-muted-dark);
}

/* Utilidades */
.center {
  text-align: center;
}

.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;
}

/* Transición de página: fundido de entrada al cargar y de salida al navegar */
@keyframes pageFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

body {
  animation: pageFadeIn 500ms var(--ease-out) both;
}

body.page-leaving {
  opacity: 0;
  transition: opacity 260ms var(--ease-out);
}

/* Animación de fade-in al scroll (con escalonado coordinado) */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 760ms var(--ease-out), transform 760ms var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}