:root {
  --verde: #2f9c85;
  --verde-oscuro: #1f6e5c;
  --verde-claro: #e6f3f0;
  --texto: #1a1a1a;
  --texto-suave: #5a5a5a;
  --fondo: #ffffff;
  --fondo-suave: #f7f7f5;
  --borde: #e5e3df;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--texto);
  background: var(--fondo);
}

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

.icono-ig {
  display: inline-flex;
  vertical-align: middle;
}

.selector-pantalla {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
}

.selector-logo {
  max-width: 160px;
  height: auto;
  margin: 0 0 16px;
}

.selector-header h1 {
  font-size: 2.2rem;
  letter-spacing: 0.02em;
  margin: 0 0 32px;
  color: var(--verde-oscuro);
}

.selector-opciones {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
  max-width: 380px;
}

.opcion-carta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px 22px;
  border: 2px solid var(--verde);
  border-radius: 14px;
  transition: background 0.15s ease, color 0.15s ease;
}

.opcion-carta:hover,
.opcion-carta:active {
  background: var(--verde);
  color: #fff;
}

.opcion-titulo {
  font-size: 1.3rem;
  font-weight: 700;
}

.opcion-desc {
  font-size: 0.88rem;
  opacity: 0.85;
}

.selector-footer {
  margin-top: 40px;
  font-size: 0.85rem;
  color: var(--texto-suave);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.carta-sticky {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--fondo);
}

.carta-header {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 720px;
  margin: 0 auto;
  padding: 16px 18px;
  border-bottom: 1px solid var(--borde);
}

.volver {
  font-size: 1.4rem;
  line-height: 1;
  padding: 4px 8px;
  flex-shrink: 0;
}

.carta-header-texto h1 {
  margin: 0;
  font-size: 1.3rem;
  color: var(--verde-oscuro);
}

.carta-header-texto p {
  margin: 2px 0 0;
  font-size: 0.85rem;
  color: var(--texto-suave);
}

.carta-nav-wrap {
  background: var(--fondo);
  border-bottom: 1px solid var(--borde);
}

.carta-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  overflow-y: hidden;
  max-width: 720px;
  margin: 0 auto;
  padding: 10px 18px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  cursor: grab;
}

.carta-nav.arrastrando {
  cursor: grabbing;
  scroll-behavior: auto;
}

.carta-nav.arrastrando a { pointer-events: none; }

.carta-nav::-webkit-scrollbar { display: none; }

.carta-nav-wrap::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 28px;
  background: linear-gradient(to right, rgba(255,255,255,0), var(--fondo));
  pointer-events: none;
}

.carta-nav a {
  flex-shrink: 0;
  padding: 7px 14px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  border-radius: 999px;
  background: var(--fondo-suave);
  color: var(--texto-suave);
  white-space: nowrap;
}

.carta-nav a:hover,
.carta-nav a.activo {
  background: var(--verde);
  color: #fff;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 8px 18px 60px;
}

.cargando, .error, .vacio {
  text-align: center;
  color: var(--texto-suave);
  padding: 60px 20px;
}

.grupo-seccion {
  padding-top: 30px;
  scroll-margin-top: 130px;
}

.grupo-titulo {
  font-size: 1.4rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--verde-oscuro);
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 3px solid var(--verde);
}

.grupo-descripcion {
  font-size: 0.88rem;
  font-style: italic;
  color: var(--texto-suave);
  margin: -6px 0 16px;
}

.categoria-sub {
  padding-top: 18px;
  scroll-margin-top: 130px;
}

.categoria-subtitulo {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--verde-oscuro);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 10px;
  padding: 3px 10px;
  background: var(--verde-claro);
  border-radius: 999px;
}

.categoria-subtitulo--gris {
  background: var(--fondo-suave);
  color: var(--texto-suave);
}

.categoria-subsubtitulo {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--texto-suave);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 16px 0 6px;
  padding-top: 10px;
  border-top: 1px dashed var(--borde);
}

.producto {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--borde);
}

.producto:last-child { border-bottom: none; }

.producto-info { flex: 1; min-width: 0; }

.producto-nombre {
  font-weight: 600;
  font-size: 1rem;
}

.producto-desc {
  font-size: 0.85rem;
  color: var(--texto-suave);
  margin-top: 2px;
}

.producto-precio {
  font-weight: 700;
  font-size: 1rem;
  white-space: nowrap;
  padding-top: 1px;
}

.tiers-header, .producto-tiers {
  display: grid;
  gap: 6px;
  align-items: center;
}

.tiers-2 { grid-template-columns: 1fr 70px 80px; }
.tiers-3 { grid-template-columns: 1fr 54px 60px 54px; gap: 4px; }

.tiers-header {
  align-items: end;
  padding-bottom: 6px;
  margin-bottom: 2px;
  border-bottom: 1px solid var(--borde);
}

.tiers-header-col {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--texto-suave);
  text-align: right;
  line-height: 1.25;
  white-space: nowrap;
}

.tiers-header-col small {
  display: block;
  font-weight: 600;
  font-size: 0.85em;
  white-space: normal;
}

.tiers-3 .tiers-header-col,
.tiers-3 .producto-precio-col {
  text-align: center;
  white-space: normal;
}

.producto-tiers {
  padding: 12px 0;
  border-bottom: 1px solid var(--borde);
}

.producto-tiers:last-child { border-bottom: none; }

.producto-precio-col {
  font-weight: 700;
  font-size: 0.88rem;
  text-align: right;
  white-space: nowrap;
}

@media (min-width: 640px) {
  .tiers-2 { grid-template-columns: 1fr 84px 92px; }
  .tiers-3 { grid-template-columns: 1fr 66px 74px 66px; gap: 8px; }
  .tiers-3 .producto-precio-col { font-size: 0.92rem; }
}

.carta-footer {
  text-align: center;
  padding: 24px;
  font-size: 0.85rem;
  color: var(--texto-suave);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}