/* ===================================================================
   GLYXI — BASE: reset, tipografía global y utilidades de layout
   =================================================================== */

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

* { margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; transition: color var(--transition); }

ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--lh-tight);
  letter-spacing: 0.02em;
}

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

button { font-family: inherit; cursor: pointer; border: none; background: none; }

:focus-visible { outline: 2px solid var(--c-gold); outline-offset: 3px; }

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

.section { padding-block: var(--section-pad); }
/* Sección alterna: mismo tema oscuro con un sutil realce dorado (NUNCA blanco) */
.section--alt {
  background:
    radial-gradient(90% 70% at 50% 0%, rgba(201, 162, 75, 0.06), transparent 60%),
    var(--c-black-soft);
  border-block: 1px solid var(--border);
}

/* El loader de página tiene su CSS crítico en línea en el <head> (carga instantánea). */

/* ── Tipografía decorativa ── */
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-gold);
  display: inline-block;
  margin-bottom: 1rem;
}

.text-gold {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--c-gold); /* fallback */
}

.section-head { max-width: 640px; margin-bottom: 3rem; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-bottom: 1rem; }

/* ── Accesibilidad ── */
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 1rem; top: -3rem; z-index: 1000;
  background: var(--c-gold); color: var(--c-black);
  padding: 0.6rem 1rem; border-radius: var(--radius-sm);
  transition: top var(--transition);
}
.skip-link:focus { top: 1rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
