/* ============ Componentes reutilizables ============ */

/* --- Botón --- */
.btn {
  --btn-bg: var(--blue-500);
  --btn-fg: #fff;
  --btn-border: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 48px;
  padding: 0.75rem 1.25rem;
  border: 1.5px solid var(--btn-border);
  border-radius: var(--radius-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font: 700 0.95rem/1.1 var(--font-body);
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.15s ease, background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn .icon { width: 1.1em; height: 1.1em; }

.btn--primary { box-shadow: 0 12px 28px -12px rgba(31, 91, 255, 0.8); }
.btn--primary:hover { --btn-bg: var(--blue-700); }

.btn--ghost-light {
  --btn-bg: transparent;
  --btn-fg: var(--on-dark);
  --btn-border: rgba(255, 255, 255, 0.32);
}
.btn--ghost-light:hover { --btn-border: #fff; --btn-bg: rgba(255, 255, 255, 0.06); }

.btn--sm { min-height: 40px; padding: 0.5rem 1rem; font-size: 0.875rem; }
.btn--lg {
  min-height: 56px;
  padding: 1rem 1.6rem;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

/* --- Etiqueta --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.85rem 0.45rem 0.7rem;
  border-radius: var(--radius-pill);
  font: 800 0.75rem/1 var(--font-body);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.badge--gold {
  color: var(--accent-300);
  background: rgba(34, 211, 255, 0.12);
  border: 1px solid rgba(34, 211, 255, 0.45);
}
.badge__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: badge-pulse 2s ease-out infinite;
}
@keyframes badge-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(34, 211, 255, 0.6); }
  70%  { box-shadow: 0 0 0 9px rgba(34, 211, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 211, 255, 0); }
}

/* --- Botón oscuro (sobre fondos claros) --- */
.btn--dark { --btn-bg: var(--navy-900); --btn-fg: #fff; }
.btn--dark:hover { --btn-bg: var(--navy-700); }
.btn--block { width: 100%; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; box-shadow: none; }

/* --- Encabezado de sección --- */
.section { padding-block: var(--s-7); }
.section-head { max-width: 640px; margin-bottom: var(--s-5); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--blue-700);
  font: 800 0.75rem/1 var(--font-body);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 18px; height: 2px; background: var(--accent-500); }
.section-title {
  margin-top: 12px;
  color: var(--navy-900);
  font: 800 clamp(2.1rem, 8vw, 3.1rem)/1 var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
.section-sub { margin-top: 10px; color: var(--ink-muted); font-size: 1.05rem; }

@media (min-width: 768px) {
  .section { padding-block: var(--s-8); }
  .section-head { margin-bottom: var(--s-6); }
}

/* --- Muestra de color por anillo --- */
.tier-swatch {
  width: 12px; height: 12px;
  flex: none;
  border-radius: 4px;
  background: var(--tier-color, var(--blue-500));
  box-shadow: inset 0 0 0 1px rgba(10, 26, 51, 0.12);
}
[data-tier="popular"] { --tier-color: var(--tier-popular); }
[data-tier="baja"]    { --tier-color: var(--tier-baja); }
[data-tier="media"]   { --tier-color: var(--tier-media); }
[data-tier="alta"]    { --tier-color: var(--tier-alta); }
.tier-swatch--selected { --tier-color: var(--tier-selected); }

/* --- Botones secundarios --- */
.btn--outline { --btn-bg: var(--white); --btn-fg: var(--navy-900); --btn-border: var(--navy-900); }
.btn--outline:hover { --btn-bg: var(--blue-50); }
.btn--gold { --btn-bg: var(--accent-400); --btn-fg: var(--navy-950); }
.btn--gold:hover { --btn-bg: var(--accent-300); }
.btn[aria-busy="true"] { cursor: progress; }
.link-btn {
  padding: 4px;
  border: 0;
  background: none;
  color: var(--blue-700);
  font: 700 0.9rem/1.2 var(--font-body);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

/* --- Estado de carga en botones --- */
.btn[aria-busy="true"]::after {
  content: "";
  width: 1em; height: 1em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: btn-spin 0.7s linear infinite;
}
.btn[aria-busy="true"] .icon { display: none; }
@keyframes btn-spin { to { transform: rotate(360deg); } }

/* --- Aviso de modo prueba (solo administrador) --- */
.preview-bar {
  position: relative;
  z-index: 70;
  padding: 8px var(--gutter);
  background: var(--accent-400);
  color: var(--navy-950);
  font-size: 0.85rem;
  font-weight: 700;
  text-align: center;
}

/* --- Botón WhatsApp (sin logotipos: solo color y texto) --- */
.btn--wa { --btn-bg: #1d8f4e; --btn-fg: #fff; }
.btn--wa:hover { --btn-bg: #187a42; }