/* ============================================================
   TIPOGRAFÍA
   Display: Space Grotesk — geométrica, con carácter técnico.
   Cuerpo: Inter — alta legibilidad, neutra.
   Utilitaria: JetBrains Mono — metadatos, tags, labels.
   El contraste de escala ES la personalidad de la marca.
   ============================================================ */

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--fs-h1);
}

h2 {
  font-size: var(--fs-h2);
}

h3 {
  font-size: var(--fs-h3);
}

p {
  color: var(--color-text-secondary);
}

.text-lead {
  font-size: var(--fs-body-lg);
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
}

/* Eyebrow / etiqueta técnica — mono, tracking amplio, minúsculas */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-text-tertiary);
  flex-shrink: 0;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: var(--ls-tight);
}

.text-mono {
  font-family: var(--font-mono);
}

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

.text-tertiary {
  color: var(--color-text-tertiary);
}

a.link-underline {
  position: relative;
  color: var(--color-text-primary);
}

a.link-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-base) var(--ease-out);
}

a.link-underline:hover::after,
a.link-underline:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

::selection {
  background: var(--color-emphasis-bg);
  color: var(--color-emphasis-text);
}