/* ============================================================
   Portal Miztel — styles.css
   Sistema de Diseño Spatial UI (ver docs/03-DISENO-UIUX.md)
   CSS3 moderno, mobile-first, sin frameworks.
   ============================================================ */

/* ------------------------------------------------------------
   1. Tokens globales
   ------------------------------------------------------------ */
:root {
  /* Paleta */
  --color-bg: #FFFBF5;
  --color-primario: #0C4B59;
  --color-acento: #0E8388;
  --color-acento-suave: #A4E4DE;
  --color-tierra: #A97244;
  --color-crema: #FEE2B0;

  /* Vidrio */
  --color-vidrio: rgba(255, 255, 255, .05);
  --color-vidrio-claro: rgba(12, 75, 89, .06);
  --color-vidrio-oscuro: rgba(12, 75, 89, .55);
  --color-vidrio-fallback: rgba(12, 75, 89, .88);
  --blur-vidrio: 12px;
  --borde-vidrio: 1px solid rgba(254, 226, 176, .55);
  --radio-card: 20px;

  /* Parámetros espaciales */
  --perspectiva: 1000px;
  --z-titulo: 60px;
  --z-precio: 50px;
  --z-texto: 30px;
  --z-boton: 45px;
  --ease-espacial: cubic-bezier(.22, 1, .36, 1);
  --ease-retorno: cubic-bezier(.34, 1.56, .64, 1);
  --dur-base: .45s;
  --dur-flip: .7s;

  /* Sombras de profundidad por elevación */
  --sombra-1: 0 4px 12px rgba(12, 75, 89, .10);
  --sombra-2: 0 12px 28px rgba(12, 75, 89, .16);
  --sombra-3: 0 24px 48px rgba(12, 75, 89, .22);

  /* Layout */
  --header-h: 72px;
  --ancho-max: 1200px;
  --sp-1: .5rem; --sp-2: 1rem; --sp-3: 1.5rem;
  --sp-4: 2rem;  --sp-5: 2.5rem; --sp-6: 3rem;
}

/* ------------------------------------------------------------
   2. Base
   ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-primario);
  background:
    radial-gradient(60rem 30rem at 85% -10%, rgba(164, 228, 222, .35), transparent 60%),
    radial-gradient(50rem 25rem at -10% 40%, rgba(254, 226, 176, .30), transparent 60%),
    var(--color-bg);
  min-height: 100vh;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--color-acento); }
h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 var(--sp-2); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
p  { margin: 0 0 var(--sp-2); }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--color-acento);
  outline-offset: 3px;
  border-radius: 4px;
}

.saltar {
  position: absolute; left: var(--sp-2); top: -4rem;
  background: var(--color-primario); color: var(--color-crema);
  padding: var(--sp-1) var(--sp-2); border-radius: 8px; z-index: 200;
  transition: top .2s var(--ease-espacial);
}
.saltar:focus { top: var(--sp-2); }

.contenedor { width: min(var(--ancho-max), 92%); margin-inline: auto; }
.seccion { padding-block: var(--sp-6); position: relative; }
.seccion__titulo { text-align: center; margin-bottom: var(--sp-4); }

/* ------------------------------------------------------------
   3. Utilidades Spatial UI
   ------------------------------------------------------------ */
.spatial-scene { perspective: var(--perspectiva); }
.spatial-scene > * { transform-style: preserve-3d; }

.spatial-card {
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform var(--dur-base) var(--ease-retorno),
              box-shadow var(--dur-base) var(--ease-espacial);
  will-change: transform;
}
.spatial-card:hover { box-shadow: var(--sombra-3); }

/* Tilt sutil en botones (data-tilt="grados") */
[data-tilt] {
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform var(--dur-base) var(--ease-retorno),
              box-shadow var(--dur-base) var(--ease-espacial),
              background-color .3s var(--ease-espacial);
}
.btn[data-tilt]:hover {
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateY(-3px);
}

.glass-panel {
  backdrop-filter: blur(var(--blur-vidrio));
  -webkit-backdrop-filter: blur(var(--blur-vidrio));
  background: var(--color-vidrio-claro);
  border: var(--borde-vidrio);
  border-radius: var(--radio-card);
  box-shadow: var(--sombra-1);
  transition: transform var(--dur-base) var(--ease-espacial),
              box-shadow var(--dur-base) var(--ease-espacial);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass-panel { background: var(--color-vidrio-fallback); color: var(--color-crema); }
}

/* Capas en el eje Z según jerarquía */
.card__titulo { transform: translateZ(var(--z-titulo)); }
.card__precio { transform: translateZ(var(--z-precio)); }
.card__texto  { transform: translateZ(var(--z-texto)); }
/* .card__boton SIN translateZ a propósito: bajo perspective anidado,
   la posición visual (perspectiva) y el área de clic real (hit-test) se
   desalinean en botones/enlaces, causando clics "fantasma" desplazados. */
.card__boton  { transform: none; }

/* ------------------------------------------------------------
   4. Botones
   ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--sp-1);
  padding: .8rem 1.6rem;
  border: none; border-radius: 999px;
  font-weight: 600; text-decoration: none; text-align: center;
  transition: transform var(--dur-base) var(--ease-espacial),
              box-shadow var(--dur-base) var(--ease-espacial),
              background-color .3s var(--ease-espacial);
}
.btn:hover { transform: translateY(-3px); box-shadow: var(--sombra-2); }
.btn--acento { background: var(--color-acento); color: #fff; }
.btn--acento:hover { background: var(--color-primario); }
.btn--crema { background: var(--color-crema); color: var(--color-primario); }
.btn--crema:hover { background: #fff; }
.btn--primario { background: var(--color-primario); color: var(--color-crema); }
.btn--primario:hover { background: var(--color-acento); }
.btn--contorno {
  background: transparent; color: var(--color-primario);
  border: 1.5px solid var(--color-acento);
}
.btn--chico { padding: .5rem 1.1rem; font-size: .9rem; }

/* ------------------------------------------------------------
   5. Menú general superior
   ------------------------------------------------------------ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  min-height: var(--header-h);
  display: flex; align-items: center;
  background: var(--color-bg);
  transition: background-color .35s var(--ease-espacial),
              box-shadow .35s var(--ease-espacial);
}
.site-header.is-scrolled { background: var(--color-primario); box-shadow: var(--sombra-2); }

.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-2); width: min(var(--ancho-max), 94%); margin-inline: auto;
}

.logo {
  font-size: 1.5rem; font-weight: 800; letter-spacing: .12em;
  color: var(--color-primario); text-decoration: none;
  transition: color .35s var(--ease-espacial);
}
.site-header.is-scrolled .logo { color: var(--color-crema); }

.nav__lista { display: flex; align-items: center; gap: var(--sp-2); }
.nav__item { position: relative; }

.nav__link {
  display: inline-flex; align-items: center; gap: .3rem;
  background: none; border: none;
  padding: .6rem .9rem; border-radius: 10px;
  font-weight: 600; color: var(--color-primario); text-decoration: none;
  transition: color .35s var(--ease-espacial), background-color .3s;
}
.nav__link::after {
  content: ""; width: .45rem; height: .45rem;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform .3s var(--ease-espacial);
}
.nav__item--solo .nav__link::after { display: none; }
.site-header.is-scrolled .nav__link { color: var(--color-crema); }
.nav__item:hover .nav__link::after,
.nav__link[aria-expanded="true"]::after { transform: rotate(225deg) translateY(-2px); }

.nav__menu {
  position: absolute; top: calc(100% + .5rem); left: 0; min-width: 13rem;
  background: var(--color-primario);
  border: var(--borde-vidrio); border-radius: 14px;
  box-shadow: var(--sombra-2);
  padding: var(--sp-1);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .3s var(--ease-espacial), transform .3s var(--ease-espacial),
              visibility .3s;
}
.nav__menu a {
  display: block; padding: .6rem .9rem; border-radius: 10px;
  color: var(--color-crema); text-decoration: none;
  transition: background-color .25s;
}
.nav__menu a:hover { background: rgba(254, 226, 176, .14); }

@media (hover: hover) and (min-width: 861px) {
  .nav__item:hover .nav__menu,
  .nav__item:focus-within .nav__menu { opacity: 1; visibility: visible; transform: translateY(0); }
}
.nav__menu.is-abierto { opacity: 1; visibility: visible; transform: translateY(0); }

.nav-hamburguesa {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: .6rem;
}
.nav-hamburguesa span {
  width: 24px; height: 2.5px; border-radius: 2px;
  background: var(--color-primario);
  transition: background-color .35s, transform .3s var(--ease-espacial), opacity .3s;
}
.site-header.is-scrolled .nav-hamburguesa span { background: var(--color-crema); }

@media (max-width: 860px) {
  .nav-hamburguesa { display: flex; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; z-index: 99;
    background: var(--color-primario);
    padding: var(--sp-2) 4% var(--sp-4);
    transform: translateY(-110%);
    visibility: hidden; pointer-events: none;
    transition: transform .4s var(--ease-espacial), visibility .4s;
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
    box-shadow: var(--sombra-2);
  }
  .nav.is-abierto {
    transform: translateY(0);
    visibility: visible; pointer-events: auto;
  }
  .nav__lista { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__link { width: 100%; justify-content: space-between; color: var(--color-crema); padding: .9rem .5rem; }
  .nav__menu {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: none; border-left: 2px solid rgba(254,226,176,.3);
    border-radius: 0; margin-left: .8rem; padding: 0 0 0 .8rem;
    background: transparent; display: none;
  }
  .nav__menu.is-abierto { display: block; }
  .nav__item--cta { margin-top: var(--sp-2); }
}

/* ------------------------------------------------------------
   6. Hero — Carrusel
   ------------------------------------------------------------ */
.hero { padding-top: calc(var(--header-h) + var(--sp-4)); }

.carrusel { position: relative; }
.carrusel__track { display: grid; }
.carrusel__slide {
  grid-area: 1 / 1;
  opacity: 0; visibility: hidden;
  transform: translateZ(-60px) scale(.97);
  transition: opacity .6s var(--ease-espacial), transform .6s var(--ease-espacial),
              visibility .6s;
}
.carrusel__slide.is-active {
  opacity: 1; visibility: visible; transform: translateZ(0) scale(1);
}

.hero-card {
  display: grid; grid-template-columns: 1.15fr .85fr;
  align-items: center; gap: var(--sp-4);
  padding: clamp(1.5rem, 4vw, 3.5rem);
}
.hero-card__titulo { transform: translateZ(var(--z-titulo)); }
.hero-card__beneficios { transform: translateZ(var(--z-texto)); margin-bottom: var(--sp-3); }
.hero-card__beneficios li {
  display: flex; align-items: center; gap: .6rem;
  padding-block: .3rem; font-weight: 500;
}
.hero-card__beneficios li::before {
  content: ""; flex: 0 0 1.15rem; height: 1.15rem; border-radius: 50%;
  background: var(--color-acento) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.5'%3E%3Cpath d='M4 12l5 5L20 6'/%3E%3C/svg%3E") center/65% no-repeat;
}
.hero-card__imei { font-size: .92rem; transform: translateZ(var(--z-texto)); }
/* Sin translateZ: evita desalinear el área de clic real de los botones
   respecto a su posición visual (ver nota en .card__boton). */
.hero-card__acciones { display: flex; flex-wrap: wrap; gap: var(--sp-2); }

.hero-card--aviso { border-left: 6px solid var(--color-tierra); }
.hero-card--aviso .hero-card__titulo { color: var(--color-tierra); }

/* Teléfono ilustrativo */
.hero-card__visual { display: grid; place-items: center; transform: translateZ(var(--z-precio)); }
.telefono-img {
  display: block;
  width: clamp(150px, 20vw, 220px); height: auto;
  filter: drop-shadow(var(--sombra-3));
  animation: flotar 5s ease-in-out infinite;
}
@keyframes flotar {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50%      { transform: translateY(-14px) rotate(2deg); }
}

.carrusel__btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%;
  border: var(--borde-vidrio);
  background: rgba(255, 251, 245, .75);
  backdrop-filter: blur(6px);
  color: var(--color-primario); font-size: 1.4rem; line-height: 1;
  box-shadow: var(--sombra-1);
  transition: transform .3s var(--ease-espacial), box-shadow .3s;
  z-index: 5;
}
.carrusel__btn:hover { transform: translateY(-50%) scale(1.1); box-shadow: var(--sombra-2); }
.carrusel__btn--prev { left: .6rem; }
.carrusel__btn--next { right: .6rem; }

.carrusel__dots {
  position: absolute; bottom: .9rem; left: 50%; transform: translateX(-50%);
  display: flex; gap: .5rem; z-index: 5;
}
.carrusel__dot {
  width: 10px; height: 10px; border-radius: 999px; border: none;
  background: rgba(12, 75, 89, .25);
  transition: width .3s var(--ease-espacial), background-color .3s;
}
.carrusel__dot.is-active { width: 26px; background: var(--color-acento); }

/* ------------------------------------------------------------
   7. Planes — tabs sticky + cards SIM
   ------------------------------------------------------------ */
.planes-tabs {
  display: flex; justify-content: center; gap: var(--sp-1);
  width: fit-content; margin: 0 auto var(--sp-4);
  padding: .4rem; border-radius: 999px;
  background: rgba(255, 251, 245, .85);
  backdrop-filter: blur(var(--blur-vidrio));
  border: var(--borde-vidrio);
  box-shadow: var(--sombra-1);
}
.planes-tabs__tab {
  border: none; border-radius: 999px;
  padding: .65rem 1.6rem; font-weight: 600;
  background: transparent; color: var(--color-primario);
  white-space: nowrap;
  transition: background-color .3s var(--ease-espacial), color .3s;
}
.planes-tabs__tab.is-active { background: var(--color-acento); color: #fff; }

.planes-controles {
  position: sticky; top: var(--header-h); z-index: 90;
  display: flex; align-items: center; justify-content: center;
  gap: var(--sp-2); margin-bottom: var(--sp-4);
}
.planes-controles .planes-tabs { margin-bottom: 0; }
.planes-zoom__btn {
  display: none; /* solo visible en móvil, ver media query */
  border: none; border-radius: 50%;
  width: 40px; height: 40px; flex: 0 0 auto;
  align-items: center; justify-content: center;
  background: rgba(255, 251, 245, .85);
  border: var(--borde-vidrio);
  color: var(--color-primario);
  cursor: pointer;
  transition: opacity .2s, background-color .2s;
}
.planes-zoom__btn:disabled { opacity: .35; cursor: default; }
.planes-zoom__icon { width: 20px; height: 20px; fill: currentColor; }

@media (max-width: 768px) {
  .planes-controles { gap: var(--sp-1); }
  .planes-zoom__btn { width: 74px; height: 74px; }
  .planes-zoom__icon { width: 36px; height: 36px; }
}

.planes-grid {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: var(--sp-3);
}
.planes-grid[hidden] { display: none; }

.sim-card {
  position: relative;
  flex: 0 0 auto;
  width: min(360px, 100%);
  aspect-ratio: 3 / 4;
  cursor: pointer;
  transition: transform var(--dur-base) var(--ease-espacial);
}
.sim-card:hover { transform: translateY(-6px); }
.sim-card__inner {
  position: absolute; inset: 0;
  transform-style: preserve-3d;
  transition: transform var(--dur-flip) var(--ease-espacial);
}
.sim-card.is-flipped .sim-card__inner { transform: rotateY(180deg); }
.sim-card:not(.is-flipped) .sim-card__reverso { pointer-events: none; }
.sim-card.is-flipped .sim-card__frente { pointer-events: none; }

.sim-card__cara {
  position: absolute; inset: 0;
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
  overflow: hidden;
}
.sim-card__frente { color: var(--color-primario); }
.sim-card__reverso {
  transform: rotateY(180deg);
  color: var(--color-crema);
}

.sim-card__bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  pointer-events: none;
  z-index: 0;
}

/* Frente */
.sim-card__precio {
  position: absolute; top: 0; left: 0; right: 0; height: 21%;
  display: flex; align-items: center; justify-content: center;
  transform: translate(-2%, 7%);
  font-size: clamp(1.6rem, 4.5vw, 2.2rem); font-weight: 700;
  color: #fff;
  z-index: 1;
}
.sim-card__precio-flecha {
  position: absolute; right: 16%; top: 68%;
  font-size: clamp(1.1rem, 3.4vw, 1.6rem);
  line-height: 1;
  transform: translateY(-50%) translateX(0);
  animation: precio-flecha-parpadeo 1.8s ease-in-out infinite;
}
@keyframes precio-flecha-parpadeo {
  0%, 100% { opacity: .35; transform: translateY(-50%) translateX(0); }
  50% { opacity: 1; transform: translateY(-50%) translateX(4px); }
}
.sim-card__titulo {
  position: absolute; top: 25%; left: 0; right: 0;
  text-align: center;
  font-size: clamp(1.2rem, 3.3vw, 1.6rem); font-weight: 700;
  margin: 0;
  z-index: 1;
}
.sim-card__redes {
  position: absolute; top: 36%; left: 0; right: 0;
  text-align: center;
  font-size: clamp(0.68rem, 2vw, 0.85rem);
  margin: 0;
  z-index: 1;
}
.sim-card__iconos {
  position: absolute; top: 43%; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-wrap: nowrap; gap: 0.3rem; justify-content: center; align-items: center;
  max-width: 92%;
  z-index: 1;
}
.sim-card__icono {
  width: clamp(18px, 3.5vw, 28px); height: clamp(18px, 3.5vw, 28px);
  flex: 0 0 auto;
}
.sim-card__tr {
  position: absolute; top: 56%; left: 50%;
  transform: translateX(-50%);
  display: flex; align-items: center; gap: 0.35rem;
  font-size: clamp(1.2rem, 3.3vw, 1.6rem); font-weight: 700;
  z-index: 1;
}
.sim-card__tr-icon {
  width: clamp(26px, 5.4vw, 41px); height: clamp(26px, 5.4vw, 41px);
  flex: 0 0 auto;
}
.sim-card__tr-nota {
  position: absolute; top: 64%; left: 0; right: 0;
  text-align: center;
  font-size: clamp(0.62rem, 1.8vw, 0.78rem); font-weight: 500;
  margin: 0;
  color: rgba(12, 75, 89, .65);
  z-index: 1;
}
.sim-card__btn {
  position: absolute; top: 75%; left: 0; right: 0;
  margin-inline: auto;
  width: fit-content;
  z-index: 1;
  font-size: clamp(0.72rem, 2vw, 0.88rem);
  padding: .5rem 1.1rem;
}
.sim-card__btn:hover { transform: translateY(-1px); }
.sim-card__comparte {
  position: absolute; bottom: 6%; left: 0; right: 0;
  height: 8%;
  display: flex; align-items: center; justify-content: center; gap: 0.3rem;
  font-size: clamp(0.62rem, 1.8vw, 0.8rem); font-weight: 600;
  color: var(--color-primario);
  z-index: 1;
}
.sim-card__comparte-icon {
  width: 1em; height: 1em;
  fill: currentColor;
}

/* Reverso */
.sim-card__titulo-rev {
  position: absolute; top: 0; left: 0; right: 0; height: 21%;
  display: flex; align-items: center; justify-content: center;
  transform: translate(-2%, 7%);
  font-size: clamp(1.6rem, 4.5vw, 2.2rem); font-weight: 700;
  color: var(--color-primario);
  margin: 0;
  z-index: 1;
}
.sim-card__detalles {
  position: absolute; top: 25%; left: 18.75%; right: 18.75%;
  max-height: 58%;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge legacy */
  margin: 0; padding: 0;
  list-style: none;
  text-align: left;
  font-size: clamp(0.68rem, 2vw, 0.85rem);
  z-index: 1;
}
.sim-card__detalles::-webkit-scrollbar { display: none; }
.sim-card__detalles li {
  display: flex; flex-wrap: wrap; align-items: baseline; column-gap: 0.4rem;
  padding-block: 0.15rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.sim-card__detalle-label {
  display: inline-block;
  color: var(--color-acento-suave);
  transform: translateX(-5px);
}
.sim-card__detalles strong {
  font-weight: 600; text-align: right;
  margin-left: auto;
  max-width: 100%;
  overflow-wrap: break-word; word-break: normal; min-width: 0;
}


.planes__sim-fisica {
  text-align: center; margin-top: var(--sp-5);
  display: flex; align-items: center; justify-content: center; gap: var(--sp-2);
  flex-wrap: wrap; font-size: 1.1rem; font-weight: 500;
}

/* ------------------------------------------------------------
   9. Características
   ------------------------------------------------------------ */
.caracteristicas__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--sp-3);
}
.caracteristica {
  padding: var(--sp-3); text-align: center;
  display: flex; flex-direction: column; gap: var(--sp-1); align-items: center;
}
.caracteristica__icono {
  width: 56px; height: 56px; border-radius: 16px;
  display: grid; place-items: center;
  background: var(--color-acento-suave);
  color: var(--color-primario);
}
.caracteristica h3 { font-size: 1.05rem; margin: 0; }
.caracteristica p { margin: 0; font-size: .92rem; }

/* ------------------------------------------------------------
   10. Banner fidelidad
   ------------------------------------------------------------ */
.banner {
  border-radius: calc(var(--radio-card) + 8px);
  padding: clamp(2rem, 5vw, 4rem);
  text-align: center;
  background:
    radial-gradient(50% 120% at 100% 0%, rgba(254, 226, 176, .25), transparent 60%),
    linear-gradient(120deg, var(--color-primario), var(--color-acento));
  color: var(--color-crema);
  box-shadow: var(--sombra-3);
  overflow: hidden; position: relative;
}
.banner h2 { color: #fff; transform: translateZ(var(--z-titulo)); }
.banner p { max-width: 46ch; margin-inline: auto; transform: translateZ(var(--z-texto)); }
/* Sin translateZ en el botón: ver nota en .card__boton (clic desalineado). */
.banner .btn { margin-top: var(--sp-2); }

/* ------------------------------------------------------------
   11. Footer
   ------------------------------------------------------------ */
.footer {
  margin-top: var(--sp-6);
  background: var(--color-primario);
  color: var(--color-crema);
  padding: var(--sp-5) 0 var(--sp-3);
}
.footer__grid {
  display: grid; grid-template-columns: 1.2fr 2fr 1fr;
  gap: var(--sp-4); margin-bottom: var(--sp-4);
}
.footer h2, .footer h3 { color: #fff; font-size: 1rem; margin-bottom: var(--sp-2); }
.footer__logo { font-size: 1.4rem; font-weight: 800; letter-spacing: .12em; color: var(--color-crema); text-decoration: none; }
.footer__legal { columns: 2; column-gap: var(--sp-4); }
.footer__legal a {
  display: block; padding-block: .28rem;
  color: var(--color-crema); text-decoration: none; font-size: .92rem;
  break-inside: avoid;
  transition: color .25s;
}
.footer__legal a:hover { color: var(--color-acento-suave); }
.footer__social { display: flex; gap: var(--sp-2); }
.footer__social a {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center;
  border: 1px solid rgba(254, 226, 176, .4);
  color: var(--color-crema);
  transition: transform .3s var(--ease-espacial), background-color .3s;
}
.footer__social a:hover { transform: translateY(-4px); background: rgba(254, 226, 176, .14); }
.footer__copy {
  border-top: 1px solid rgba(254, 226, 176, .2);
  padding-top: var(--sp-2); text-align: center;
  font-size: .88rem; margin: 0;
}

/* ------------------------------------------------------------
   12. Modal
   ------------------------------------------------------------ */
.modal { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; padding: var(--sp-2); }
.modal[hidden] { display: none; }
.modal__backdrop {
  position: absolute; inset: 0;
  background: rgba(12, 75, 89, .5);
  backdrop-filter: blur(4px);
}
.modal__panel {
  position: relative; width: min(30rem, 100%);
  padding: var(--sp-4);
  background: rgba(255, 251, 245, .92);
  animation: modal-entra .4s var(--ease-retorno);
}
@keyframes modal-entra {
  from { opacity: 0; transform: translateY(24px) scale(.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.modal__cerrar {
  position: absolute; top: .8rem; right: .8rem;
  width: 36px; height: 36px; border-radius: 50%;
  border: none; background: rgba(12, 75, 89, .08);
  color: var(--color-primario); font-size: 1.3rem; line-height: 1;
}
.modal__imei { color: var(--color-acento); font-weight: 700; }
.modal form { display: flex; gap: var(--sp-1); margin-top: var(--sp-2); }
.modal input {
  flex: 1; padding: .75rem 1rem; border-radius: 12px;
  border: 1.5px solid rgba(12, 75, 89, .25); font: inherit;
}
.modal input:focus { border-color: var(--color-acento); outline: none; box-shadow: 0 0 0 3px rgba(14,131,136,.18); }
.modal__resultado { margin-top: var(--sp-2); padding: var(--sp-2); border-radius: 12px; font-size: .95rem; }
.modal__resultado--ok { background: rgba(164, 228, 222, .4); }
.modal__resultado--error { background: rgba(169, 114, 68, .15); color: var(--color-tierra); }

/* ------------------------------------------------------------
   13. Formularios (comprar-sim / gracias)
   ------------------------------------------------------------ */
.comprar {
  display: grid; grid-template-columns: 1.25fr .75fr;
  gap: var(--sp-3); align-items: start;
}

.formulario { padding: var(--sp-4); }

.form-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--sp-1) var(--sp-3);
}

.campo { display: flex; flex-direction: column; gap: .25rem; padding-block: .35rem; }
.campo--completo { grid-column: 1 / -1; }
.campo label, .form-envio legend { font-weight: 600; font-size: .92rem; }
.campo input, .campo select {
  padding: .75rem 1rem; border-radius: 12px;
  border: 1.5px solid rgba(12, 75, 89, .25);
  background: rgba(255, 255, 255, .85);
  font: inherit; color: var(--color-primario);
  transition: border-color .25s, box-shadow .25s;
}
.campo input:focus, .campo select:focus {
  border-color: var(--color-acento); outline: none;
  box-shadow: 0 0 0 3px rgba(14, 131, 136, .18);
}
.campo__error { color: var(--color-tierra); font-size: .84rem; min-height: 1.1em; }
.campo--invalido input, .campo--invalido select { border-color: var(--color-tierra); }

.form-check {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: .6rem;
  font-weight: 500; cursor: pointer; padding-block: .5rem;
}
.form-check input { width: 1.15rem; height: 1.15rem; accent-color: var(--color-acento); }

.form-envio {
  grid-column: 1 / -1;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--sp-1) var(--sp-3);
  padding: var(--sp-2) var(--sp-3) var(--sp-3);
  border: 1.5px dashed rgba(12, 75, 89, .3);
  border-radius: 14px;
}
.form-envio[hidden] { display: none; }
.form-envio legend { padding-inline: .4rem; }

.hp-oculto {
  position: absolute; left: -10000px; top: auto;
  width: 1px; height: 1px; overflow: hidden;
}

.form-acciones { margin-top: var(--sp-3); display: flex; flex-direction: column; gap: var(--sp-1); }
.form-acciones .btn { align-self: flex-start; }

.resumen-plan {
  padding: var(--sp-3);
  position: sticky; top: calc(var(--header-h) + var(--sp-2));
}
.resumen-plan dl {
  display: grid; grid-template-columns: auto 1fr;
  gap: .2rem var(--sp-2); margin: 0 0 var(--sp-2);
}
.resumen-plan dt { font-weight: 600; }
.resumen-plan dd { margin: 0; }

.gracias { padding: var(--sp-5) var(--sp-4); text-align: center; max-width: 40rem; margin-inline: auto; }
.gracias__folio {
  display: inline-block; margin-block: var(--sp-1);
  padding: .4rem 1rem; border-radius: 8px;
  background: rgba(12, 75, 89, .08);
  font-family: ui-monospace, monospace; font-size: .9rem;
}

@media (max-width: 860px) {
  .comprar { grid-template-columns: 1fr; }
  .resumen-plan { position: static; order: -1; }
  .form-grid, .form-envio { grid-template-columns: 1fr; }
}

/* ------------------------------------------------------------
   14. Layout Tipo B — Legales e informativas
   ------------------------------------------------------------ */
.legal-hero { padding: calc(var(--header-h) + var(--sp-5)) 0 var(--sp-2); text-align: center; }
.legal-hero h1 { font-size: clamp(1.7rem, 4vw, 2.6rem); margin-bottom: var(--sp-1); }
.legal-fecha { font-size: .9rem; opacity: .75; margin: 0; }
.legal-intro { max-width: 62ch; margin: var(--sp-2) auto 0; }

.legal-grid {
  display: grid; grid-template-columns: 250px 1fr;
  gap: var(--sp-3); align-items: start;
}

.legal-indice {
  position: sticky; top: calc(var(--header-h) + var(--sp-2));
  padding: var(--sp-2);
}
.legal-indice h2 { font-size: .95rem; margin-bottom: var(--sp-1); }
.legal-indice nav { display: flex; flex-direction: column; }
.legal-indice a {
  padding: .35rem .5rem; border-radius: 8px;
  color: var(--color-primario); text-decoration: none; font-size: .88rem;
  transition: background-color .25s, color .25s;
}
.legal-indice a:hover { background: rgba(14, 131, 136, .1); }
.legal-indice a.is-activo {
  background: rgba(14, 131, 136, .14);
  color: var(--color-acento); font-weight: 600;
}

.legal-panel { padding: clamp(1.25rem, 4vw, 3rem); }
.legal-contenido { max-width: 72ch; }
.legal-contenido h2 {
  font-size: 1.25rem; margin: var(--sp-4) 0 var(--sp-2);
  padding-left: .7rem; border-left: 3px solid var(--color-acento);
}
.legal-seccion:first-child h2 { margin-top: 0; }
.legal-contenido h3 { font-size: 1.02rem; margin: var(--sp-3) 0 var(--sp-1); }
.legal-contenido p { margin-bottom: var(--sp-2); }
.legal-contenido ul, .legal-contenido ol {
  padding-left: 1.4rem; margin-bottom: var(--sp-2);
}
.legal-contenido ul { list-style: disc; }
.legal-contenido ol { list-style: decimal; }
.legal-contenido li { padding-block: .15rem; }
.legal-contenido a { color: var(--color-acento); }

.legal-tabla-wrap { overflow-x: auto; margin-bottom: var(--sp-2); }
.legal-tabla-wrap table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.legal-tabla-wrap th, .legal-tabla-wrap td {
  padding: .55rem .7rem; text-align: left;
  border-bottom: 1px solid rgba(12, 75, 89, .18);
}
.legal-tabla-wrap th { color: var(--color-acento); font-size: .82rem; text-transform: uppercase; letter-spacing: .03em; }

.legal-aviso {
  padding: var(--sp-2) var(--sp-3);
  background: rgba(254, 226, 176, .45);
  border-left: 4px solid var(--color-tierra);
  border-radius: 10px; margin-bottom: var(--sp-2);
  font-size: .95rem;
}

/* Aparición sutil de secciones al hacer scroll (paralaje ligero) */
.legal-seccion {
  opacity: 0; transform: translateY(12px);
  transition: opacity .5s var(--ease-espacial), transform .5s var(--ease-espacial);
}
.legal-seccion.is-visible { opacity: 1; transform: none; }

/* Acordeón para documentos legales */
.legal-contenido--acordeon .legal-seccion { overflow: hidden; }
.legal-contenido--acordeon .legal-seccion__titulo {
  margin: 0;
  border-left: none;
  padding-left: 0;
}
.legal-seccion__btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-2); padding: .75rem .7rem;
  background: transparent; border: none; border-left: 3px solid var(--color-acento);
  text-align: left; font: inherit; font-size: 1.25rem; font-weight: 700;
  color: var(--color-primario); cursor: pointer;
  transition: color .2s;
}
.legal-seccion__btn::after {
  content: "+"; flex: 0 0 auto;
  width: 1.6rem; height: 1.6rem; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--color-acento); color: #fff;
  font-size: 1.05rem; line-height: 1;
  transition: transform .3s var(--ease-espacial);
}
.legal-seccion.is-open .legal-seccion__btn::after { transform: rotate(45deg); }
.legal-seccion__panel {
  max-height: 0; overflow: hidden;
  transition: max-height .4s var(--ease-espacial);
}
.legal-seccion.is-open .legal-seccion__panel { max-height: 2000px; }

/* ------------------------------------------------------------
   15. FAQ (acordeón)
   ------------------------------------------------------------ */
.faq__seccion-titulo { margin: var(--sp-4) 0 var(--sp-2); font-size: 1.2rem; }
.faq__seccion-titulo:first-child { margin-top: 0; }

.faq__item { margin-bottom: var(--sp-2); overflow: hidden; }
.faq__btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-2); padding: var(--sp-2) var(--sp-3);
  background: none; border: none; text-align: left;
  font-weight: 600; color: var(--color-primario); font-size: .98rem;
}
.faq__btn::after {
  content: "+"; flex: 0 0 auto;
  width: 1.7rem; height: 1.7rem; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--color-acento); color: #fff;
  font-size: 1.1rem; line-height: 1;
  transition: transform .3s var(--ease-espacial);
}
.faq__item.is-open .faq__btn::after { transform: rotate(45deg); }
.faq__panel {
  max-height: 0; overflow: hidden;
  transition: max-height .4s var(--ease-espacial);
}
.faq__panel-inner {
  padding: 0 var(--sp-3) var(--sp-2);
  font-size: .93rem;
}
.faq__panel-inner ul, .faq__panel-inner ol { padding-left: 1.3rem; }
.faq__panel-inner ul { list-style: disc; }
.faq__panel-inner ol { list-style: decimal; }
.faq__panel-inner li { padding-block: .12rem; }
.faq__panel-inner p { margin-bottom: var(--sp-1); }

/* ------------------------------------------------------------
   16. Vincula tu línea
   ------------------------------------------------------------ */
.vinc-hero {
  padding: calc(var(--header-h) + var(--sp-4)) 0 var(--sp-5);
  background:
    radial-gradient(60% 100% at 100% 0%, rgba(164, 228, 222, .18), transparent 60%),
    linear-gradient(160deg, var(--color-primario), #082f38 80%);
  color: var(--color-crema);
}
.vinc-hero__badge {
  display: inline-block;
  padding: .4rem 1rem; border-radius: 999px;
  background: var(--color-crema); color: var(--color-primario);
  font-weight: 700; font-size: .82rem; letter-spacing: .02em;
  margin-bottom: var(--sp-2);
}
.vinc-hero h1 { color: #fff; font-size: clamp(1.8rem, 4.4vw, 2.8rem); margin-bottom: var(--sp-1); }
.vinc-hero__intro { max-width: 64ch; font-size: 1.05rem; opacity: .92; }
.vinc-hero__acciones { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin: var(--sp-3) 0 var(--sp-4); }

.vinc-aviso-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--sp-2);
}
.vinc-aviso-card {
  padding: var(--sp-3); border-radius: var(--radio-card);
  background: rgba(255, 251, 245, .08);
  border: 1px solid rgba(254, 226, 176, .3);
  border-top: 4px solid var(--color-tierra);
}
.vinc-aviso-card--ok { border-top-color: var(--color-acento-suave); }
.vinc-aviso-card h3 { color: #fff; margin: 0 0 .3rem; font-size: 1.05rem; display: flex; align-items: center; gap: .5rem; }
.vinc-aviso-card p { margin: 0; font-size: .9rem; opacity: .9; }
.vinc-aviso-card__pill {
  display: inline-block; margin-top: var(--sp-1);
  padding: .3rem .7rem; border-radius: 999px;
  background: var(--color-tierra); color: #fff;
  font-size: .78rem; font-weight: 700;
}
.vinc-aviso-card--ok .vinc-aviso-card__pill { background: var(--color-acento-suave); color: var(--color-primario); }

.vinc-fecha-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--sp-2);
}
.vinc-fecha-card { padding: var(--sp-2) var(--sp-3); }
.vinc-fecha-card h3 {
  margin: 0 0 var(--sp-2); font-size: .95rem; text-transform: uppercase; letter-spacing: .04em;
  color: var(--color-acento); display: flex; align-items: center; gap: .5rem;
}
.vinc-fecha-fila { display: flex; align-items: center; gap: var(--sp-2); padding-block: .35rem; }
.vinc-fecha-fila + .vinc-fecha-fila { border-top: 1px solid rgba(12, 75, 89, .1); }
.vinc-fecha-digito {
  flex: 0 0 auto; width: 2rem; height: 2rem; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--color-primario); color: #fff; font-weight: 700; font-size: .9rem;
}
.vinc-fecha-card--aviso {
  background: rgba(169, 114, 68, .12);
  border: 1px solid rgba(169, 114, 68, .3);
  display: flex; flex-direction: column; justify-content: center; text-align: center; gap: .4rem;
}
.vinc-fecha-card--aviso h3 { justify-content: center; color: var(--color-tierra); }
.vinc-fecha-card--aviso p { margin: 0; font-size: .88rem; }

.vinc-requisitos-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-3);
}
.vinc-requisito-card { padding: var(--sp-3); }
.vinc-requisito-card h3 { margin: 0 0 var(--sp-2); display: flex; align-items: center; gap: .6rem; }
.vinc-requisito-card ul { list-style: none; margin: 0 0 var(--sp-2); padding: 0; display: flex; flex-direction: column; gap: .5rem; }
.vinc-requisito-card li { display: flex; align-items: flex-start; gap: .5rem; font-size: .93rem; }
.vinc-requisito-card li::before {
  content: "✓"; flex: 0 0 auto; color: var(--color-acento); font-weight: 700;
}

.vinc-texto { margin: 0; } /* sin translateZ: evita el desenfoque de texto bajo perspective anidado */
.vinc-portal { text-align: center; }
.vinc-portal__acciones { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--sp-2); margin-top: var(--sp-3); }
.vinc-portal__fecha { font-size: .85rem; opacity: .7; margin-top: var(--sp-2); }

@media (max-width: 768px) {
  .vinc-hero__acciones { justify-content: center; }
  .vinc-aviso-grid, .vinc-fecha-grid, .vinc-requisitos-grid { grid-template-columns: 1fr; }
}

/* ------------------------------------------------------------
   17. Responsive
   ------------------------------------------------------------ */
@media (max-width: 768px) {
  .hero-card { grid-template-columns: 1fr; text-align: center; }
  .hero-card__beneficios li { justify-content: center; }
  .hero-card__acciones { justify-content: center; }
  .hero-card__visual { order: -1; }
  .legal-grid { grid-template-columns: 1fr; }
  .legal-indice { position: static; }
  .legal-indice nav { flex-direction: row; flex-wrap: wrap; gap: .3rem; }
  .footer__grid { grid-template-columns: 1fr; text-align: center; }
  .footer__legal { columns: 1; text-align: left; }
  .footer__social { justify-content: center; }

  /* Planes: 2 cards SIM por fila; márgenes 10/5/5/10 y ancho adaptable */
  #planes .contenedor { width: 100%; }
  .planes-grid { gap: 0; }
  .sim-card {
    width: calc(50% - 15px);
    aspect-ratio: 2 / 3;
    margin: 0 5px var(--sp-2);
  }
  .sim-card:nth-child(odd) { margin-left: 10px; }
  .sim-card:nth-child(even) { margin-right: 10px; }
  .sim-card__btn { padding: .4rem .9rem; font-size: .7rem; }
  .sim-card__precio { font-size: 1.3rem; }
  .sim-card__titulo { font-size: .95rem; }
  .sim-card__redes { font-size: .65rem; }
  .sim-card__iconos { gap: 0.15rem; }
  .sim-card__icono { width: 18px; height: 18px; }
  .sim-card__tr { font-size: .95rem; }
  .sim-card__tr-icon { width: 26px; height: 26px; }
  .sim-card__tr-nota { font-size: .55rem; }
  .sim-card__comparte { font-size: .62rem; }
  .sim-card__titulo-rev { font-size: 1.3rem; }
  .sim-card__detalles { font-size: .64rem; }

  /* Controles de tamaño de card (lupa +/-): solo visibles en móvil */
  .planes-zoom__btn { display: inline-flex; }
  .planes-tabs__tab { padding: .5rem 1rem; font-size: .85rem; }

  /* Estado "tarjetas grandes": 1 card por fila, al doble de tamaño */
  body[data-planes-grande="1"] .sim-card {
    width: calc(100% - 20px);
  }
  body[data-planes-grande="1"] .sim-card:nth-child(odd),
  body[data-planes-grande="1"] .sim-card:nth-child(even) {
    margin: 0 auto var(--sp-3);
  }
  body[data-planes-grande="1"] .sim-card__btn { padding: .55rem 1.3rem; font-size: 1.1rem; }
  body[data-planes-grande="1"] .sim-card__precio { font-size: 2.6rem; }
  body[data-planes-grande="1"] .sim-card__precio-flecha { font-size: 2.2rem; }
  body[data-planes-grande="1"] .sim-card__titulo { font-size: 1.9rem; }
  body[data-planes-grande="1"] .sim-card__redes { font-size: 1.3rem; }
  body[data-planes-grande="1"] .sim-card__iconos { gap: 0.2rem; }
  body[data-planes-grande="1"] .sim-card__icono { width: 30px; height: 30px; }
  body[data-planes-grande="1"] .sim-card__tr { font-size: 1.9rem; }
  body[data-planes-grande="1"] .sim-card__tr-icon { width: 52px; height: 52px; }
  body[data-planes-grande="1"] .sim-card__tr-nota { font-size: 1rem; }
  body[data-planes-grande="1"] .sim-card__comparte { font-size: 1.24rem; }
  body[data-planes-grande="1"] .sim-card__titulo-rev { font-size: 2.6rem; }
  body[data-planes-grande="1"] .sim-card__detalles { font-size: 1.28rem; }
  body[data-planes-grande="1"] .sim-card__detalle-label { transform: translateX(-9px); }

  /* Por qué Miztel: 2 columnas fijas */
  .caracteristicas__grid { grid-template-columns: repeat(2, 1fr); gap: var(--sp-2); }
  .caracteristica { padding: var(--sp-2); }
  .caracteristica__icono { width: 44px; height: 44px; }
  .caracteristica h3 { font-size: .92rem; }
  .caracteristica p { font-size: .8rem; }
}

/* Pantallas muy angostas: ajustes finos de tipografía */
@media (max-width: 360px) {
  .sim-card__precio { font-size: 1.15rem; }
  .sim-card__titulo { font-size: .88rem; }
  .sim-card__icono { width: 16px; height: 16px; }
  .sim-card__tr { font-size: .88rem; }
  .sim-card__tr-icon { width: 22px; height: 22px; }
  .sim-card__tr-nota { font-size: .5rem; }
  .sim-card__comparte { font-size: .58rem; }
  .sim-card__titulo-rev { font-size: 1.15rem; }
  .sim-card__detalles { font-size: .58rem; }
}

/* ------------------------------------------------------------
   14. Accesibilidad — movimiento reducido
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .telefono-img { animation: none; }
  .spatial-card { transform: none !important; }
  .legal-seccion { opacity: 1; transform: none; }
}