/* ============================================================
   Base — reset, tipografía y primitivas de layout
   ============================================================ */

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

* { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-ui);
  font-size: var(--fs-body);
  font-weight: 300;
  line-height: 1.65;
  letter-spacing: var(--track-tight);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.is-locked { overflow: hidden; }

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

img { height: auto; }

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

ul, ol { list-style: none; }

::selection {
  background: var(--bone);
  color: var(--ink);
}

/* --- Enlace de salto accesible --- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 0.75rem 1.25rem;
  background: var(--bone);
  color: var(--ink);
  font-size: var(--fs-small);
  letter-spacing: var(--track-mid);
  text-transform: uppercase;
}
.skip-link:focus { left: 1rem; top: 1rem; }

:focus-visible {
  outline: 1px solid var(--bone);
  outline-offset: 3px;
}

/* ============================================================
   Tipografía
   ============================================================ */

.display {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.015em;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.06;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-ui);
  font-size: var(--fs-micro);
  font-weight: 400;
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--ash);
}

.eyebrow::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: var(--hairline-2);
}

.lede {
  font-size: clamp(1rem, 1.35vw, 1.1875rem);
  color: var(--bone-dim);
  max-width: 46ch;
}

.muted { color: var(--ash); }

.divider {
  width: 100%;
  height: 1px;
  background: var(--hairline);
  margin: 1.75rem 0;
}

/* ============================================================
   Primitivas de layout
   ============================================================ */

.shell {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  padding-block: var(--section-y);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 52ch;
  margin-bottom: clamp(2.5rem, 6vw, 5rem);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 2rem);
}

.stack { display: flex; flex-direction: column; }
.stack-sm { gap: 0.75rem; }
.stack-md { gap: 1.5rem; }
.stack-lg { gap: 2.5rem; }

/* ============================================================
   Utilidades de revelado (funcionan con y sin GSAP)
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(2.25rem);
  transition:
    opacity var(--dur-slow) var(--ease-out-expo),
    transform var(--dur-slow) var(--ease-out-expo);
  will-change: opacity, transform;
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* Sin JS o con reducción de movimiento: todo visible */
.no-js .reveal,
.reduced .reveal {
  opacity: 1;
  transform: none;
  transition: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Oculta el cursor nativo cuando el custom cursor está activo */
body.cursor-active,
body.cursor-active * { cursor: none !important; }

@media (hover: none), (pointer: coarse) {
  body.cursor-active,
  body.cursor-active * { cursor: auto !important; }
}