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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-variation-settings: 'wdth' 100;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { margin: 0; line-height: 0.95; letter-spacing: var(--tracking-tight); }

a { color: inherit; }

button { font: inherit; color: inherit; cursor: pointer; }

:focus-visible {
  outline: 3px solid var(--ambar-deep);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.wrap {
  width: min(100% - 2.5rem, 1180px);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-4);
  z-index: 999;
  padding: var(--space-3) var(--space-4);
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  text-decoration: none;
}
.skip-link:focus { left: var(--space-4); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}

/* Etiqueta versalita: el tono de la señalética. */
.eyebrow {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* Ficha de servicio: cuadrado sólido con el código, como en la unidad. */
.chip {
  display: inline-grid;
  place-items: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding-inline: 0.5rem;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: 1.0625rem;
  font-variation-settings: 'wdth' 82;
  letter-spacing: 0.01em;
  background: var(--chip-bg, var(--ink));
  color: var(--chip-ink, var(--paper));
}
.chip--lg { min-width: 3.25rem; height: 3.25rem; font-size: 1.375rem; }
.chip--sm { min-width: 1.75rem; height: 1.75rem; font-size: 0.8125rem; }

/* Insignia de estado */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.55rem 0.2rem 0.45rem;
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.badge--live  { background: var(--verde-soft); color: oklch(38% 0.11 152); }
.badge--idle  { background: var(--paper-deep); color: var(--ink-soft); }
.badge--warn  { background: var(--ambar-soft); color: var(--ambar-deep); }

.badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: currentColor;
}
.badge--live .dot { animation: pulse 2.4s var(--ease-out-expo) infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.45; transform: scale(0.72); }
}

footer.site-foot {
  border-top: var(--line);
  padding: var(--space-6) 0 var(--space-7);
  margin-top: var(--space-section);
  color: var(--ink-soft);
  font-size: var(--text-sm);
}
footer.site-foot strong { color: var(--ink); }
footer.site-foot a { color: var(--azul); text-underline-offset: 3px; }

/* ── Botones ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  background: transparent;
  transition: transform var(--duration-fast) var(--ease-spring),
              background-color var(--duration-fast) ease,
              border-color var(--duration-fast) ease,
              color var(--duration-fast) ease;
}
.btn:hover { transform: translate3d(0, -2px, 0); }
.btn:active { transform: translate3d(0, 0, 0); }

.btn--primary { background: var(--ambar); color: oklch(22% 0.06 60); }
.btn--primary:hover { background: oklch(80% 0.16 70); }

.btn--hero { padding: 0.95rem 1.6rem; font-size: var(--text-base); }

.btn--ghost {
  border-color: var(--paper-edge);
  background: var(--card);
  color: var(--ink);
}
.btn--ghost:hover { border-color: var(--azul); color: var(--azul); }

@media (prefers-reduced-motion: reduce) { .btn:hover { transform: none; } }