/* =========================================================
   KLARO · Hoja de estilos principal
   Diseño mobile-first. Colores, tipografía y medidas
   centralizados en variables (:root). Sin dependencias externas.
   ========================================================= */

:root {
  /* Paleta de marca KLARO */
  --c-mint: #80D8BC;        /* Título principal y marca (sobre fondo oscuro o como fondo con texto oscuro) */
  --c-mint-strong: #58B99B; /* Encabezados de sección: acentos y texto solo sobre fondo oscuro */
  --c-mint-pale: #EAF8F3;   /* Fondos de subapartados */
  --c-white: #FFFFFF;       /* Fondos de campos y datos */
  --c-alt: #F5F6F6;         /* Fondos alternos */

  /* Textos (PROPUESTA para validar) */
  --c-ink: #2B2F33;         /* Gris antracita: 13,5:1 sobre blanco */
  --c-ink-muted: #555B61;   /* Texto secundario: 6,3:1 o más sobre los fondos claros */
  --c-mint-ink: #2A7A63;    /* Menta oscuro para etiquetas pequeñas sobre fondo claro (PROPUESTA, ≥4,7:1) */

  --c-border: #D9DEDE;
  --c-error: #B3261E;
  --c-error-bg: #FDECEA;
  --c-warn-bg: #FFF4D6;
  --c-warn-border: #E3B341;
  --c-ok-bg: #E6F6EE;

  /* Tipografía: fuentes del sistema (sin Google Fonts → sin peticiones a terceros) */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --fs-base: 1.0625rem;   /* 17px */
  --fs-small: 0.9375rem;  /* 15px: mínimo para textos de apoyo */
  --fs-h1: clamp(2rem, 6.5vw, 3.5rem);
  --fs-h2: clamp(1.625rem, 4.5vw, 2.375rem);
  --fs-h3: 1.25rem;
  --lh: 1.6;

  /* Medidas */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;
  --container: 72rem;
  --gutter: 1.25rem;
  --radius: 14px;
  --radius-sm: 8px;
  --tap: 48px;            /* altura mínima de botones y campos */
  --header-h: 68px;
  --shadow: 0 6px 24px rgba(43, 47, 51, 0.08);
  --ease: 160ms ease;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh);
  color: var(--c-ink);
  background: var(--c-white);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-ink); text-decoration-color: var(--c-mint-strong); text-underline-offset: 3px; text-decoration-thickness: 2px; }
a:hover { text-decoration-color: var(--c-ink); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 var(--space-2); }
h2 { font-size: var(--fs-h2); letter-spacing: -0.01em; }
h3 { font-size: var(--fs-h3); }
p { margin: 0 0 var(--space-2); }
ul, ol { margin: 0; padding: 0; }

:focus-visible { outline: 3px solid var(--c-ink); outline-offset: 3px; border-radius: 4px; }
.on-dark :focus-visible { outline-color: var(--c-mint); }

.skip-link {
  position: absolute; left: var(--space-2); top: -100px; z-index: 100;
  background: var(--c-ink); color: var(--c-white); padding: var(--space-1) var(--space-2); border-radius: var(--radius-sm);
}
.skip-link:focus { top: var(--space-1); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--space-6) 0; }
.section--alt { background: var(--c-alt); }
.section--pale { background: var(--c-mint-pale); }

/* Marcador visible de contenido pendiente (buscar "PENDIENTE" en el código) */
.pending {
  background: var(--c-warn-bg); border: 1px dashed var(--c-warn-border); color: #5C4400;
  padding: 0 0.35em; border-radius: 4px; font-size: 0.95em;
}

/* ---------- Encabezados de sección ---------- */
.eyebrow {
  display: inline-block; font-size: var(--fs-small); font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--c-mint-ink); margin-bottom: var(--space-1);
}
.section-title { position: relative; padding-bottom: 0.6rem; }
.section-title::after {          /* acento #58B99B: color de encabezados de sección */
  content: ""; position: absolute; left: 0; bottom: 0; width: 56px; height: 4px; border-radius: 2px;
  background: var(--c-mint-strong);
}
.section-head { max-width: 46rem; margin-bottom: var(--space-4); }
.section-head p { color: var(--c-ink-muted); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  min-height: var(--tap); padding: 0.75rem 1.4rem; border-radius: 999px;
  font: inherit; font-weight: 700; font-size: 1rem; text-decoration: none; cursor: pointer;
  border: 2px solid transparent; transition: background var(--ease), border-color var(--ease), color var(--ease);
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn--primary { background: var(--c-mint); color: var(--c-ink); border-color: var(--c-mint); }
.btn--primary:hover { background: var(--c-mint-strong); border-color: var(--c-mint-strong); }
.btn--secondary { background: var(--c-white); color: var(--c-ink); border-color: var(--c-ink); }
.btn--secondary:hover { background: var(--c-alt); }
.on-dark .btn--secondary { background: transparent; color: var(--c-white); border-color: var(--c-white); }
.on-dark .btn--secondary:hover { background: rgba(255,255,255,0.1); }
.btn--block { width: 100%; }
.btn[aria-disabled="true"], .btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-row { display: flex; flex-direction: column; gap: 0.75rem; }

/* ---------- Cabecera ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; background: var(--c-white);
  border-bottom: 1px solid var(--c-border);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); height: var(--header-h); }
.brand img { height: 52px; width: auto; }
.header-actions { display: flex; align-items: center; gap: 0.5rem; }
.header-actions .btn { min-height: 44px; padding: 0.5rem 1rem; font-size: 0.9375rem; }
.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center; width: var(--tap); height: var(--tap);
  border: 2px solid var(--c-border); border-radius: var(--radius-sm); background: var(--c-white); cursor: pointer; color: var(--c-ink);
}
.nav-toggle svg { width: 24px; height: 24px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

.site-nav { display: none; }
.site-nav.is-open {
  display: block; position: absolute; left: 0; right: 0; top: 100%;
  background: var(--c-white); border-bottom: 1px solid var(--c-border); box-shadow: var(--shadow);
}
.site-nav ul { list-style: none; padding: var(--space-1) var(--gutter) var(--space-2); }
.site-nav a {
  white-space: nowrap;
  display: flex; align-items: center; min-height: var(--tap); padding: 0 var(--space-1);
  text-decoration: none; font-weight: 600; border-radius: var(--radius-sm);
}
.site-nav a:hover { background: var(--c-mint-pale); }
.header-cta-label--long { display: none; }

/* ---------- Hero ---------- */
.hero { background: var(--c-ink); color: var(--c-white); padding: var(--space-5) 0 var(--space-6); }
.hero__grid { display: grid; gap: var(--space-4); align-items: center; }
.hero__kicker { color: var(--c-mint-strong); font-weight: 700; font-size: var(--fs-small); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: var(--space-2); }
.hero h1 { font-size: var(--fs-h1); color: var(--c-mint); letter-spacing: -0.02em; margin-bottom: var(--space-3); }
.hero__lead { font-size: 1.125rem; color: #E4E7E8; max-width: 38rem; margin-bottom: var(--space-4); }
.hero__facts { list-style: none; margin-top: var(--space-4); display: grid; gap: 0.6rem; color: #E4E7E8; font-size: var(--fs-small); }
.hero__facts li { display: flex; gap: 0.6rem; align-items: flex-start; }
.hero__facts svg { width: 20px; height: 20px; flex: none; color: var(--c-mint); margin-top: 2px; }
.hero__media { display: none; }

.photo-slot {
  aspect-ratio: 4 / 3; border-radius: var(--radius); border: 2px dashed #6B7277; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: var(--space-3); color: #C9CED1; font-size: var(--fs-small); background: rgba(255,255,255,0.04);
}
.photo-slot--light { border-color: #AEB5B9; color: var(--c-ink-muted); background: var(--c-white); }

/* ---------- Beneficios ---------- */
.benefits { display: grid; gap: var(--space-3); list-style: none; }
.benefit { background: var(--c-mint-pale); border-radius: var(--radius); padding: var(--space-3); }
.benefit__icon { width: 44px; height: 44px; border-radius: 50%; background: var(--c-white); display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-2); color: var(--c-mint-ink); }
.benefit__icon svg { width: 24px; height: 24px; }
.benefit p { color: var(--c-ink-muted); margin: 0; }

/* ---------- Planes ---------- */
.plans { display: grid; gap: var(--space-3); }
.plan {
  background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: var(--space-4) var(--space-3); display: flex; flex-direction: column; box-shadow: var(--shadow);
}
.plan__tag { align-self: flex-start; font-size: 0.875rem; font-weight: 700; background: var(--c-mint-pale); color: var(--c-mint-ink); padding: 0.2rem 0.7rem; border-radius: 999px; margin-bottom: var(--space-2); }
.plan h3 { font-size: 1.625rem; margin-bottom: 0.25rem; }
.plan__summary { color: var(--c-ink-muted); margin-bottom: var(--space-3); }
.plan__list { list-style: none; display: grid; gap: 0.7rem; margin-bottom: var(--space-3); flex: 1; }
.plan__list li { display: flex; gap: 0.65rem; align-items: flex-start; }
.plan__list svg { width: 20px; height: 20px; flex: none; margin-top: 3px; color: var(--c-mint-ink); }
.plan__extras { font-size: var(--fs-small); color: var(--c-ink-muted); background: var(--c-alt); border-radius: var(--radius-sm); padding: 0.75rem 1rem; margin-bottom: var(--space-3); }
.plan__price { font-weight: 700; margin-bottom: var(--space-2); }
.plan--featured { border: 2px solid var(--c-mint-strong); }

.compare { margin-top: var(--space-5); }
.compare summary {
  cursor: pointer; font-weight: 700; min-height: var(--tap); display: flex; align-items: center; gap: 0.5rem;
  list-style: none;
}
.compare summary::-webkit-details-marker { display: none; }
.compare summary::before { content: "+"; display: inline-flex; width: 28px; height: 28px; align-items: center; justify-content: center; border-radius: 50%; background: var(--c-mint); color: var(--c-ink); font-weight: 700; }
.compare[open] summary::before { content: "−"; }
.table-wrap { overflow-x: auto; margin-top: var(--space-2); border: 1px solid var(--c-border); border-radius: var(--radius); background: var(--c-white); }
.compare table { border-collapse: collapse; width: 100%; min-width: 34rem; font-size: var(--fs-small); }
.compare th, .compare td { padding: 0.75rem 0.9rem; text-align: left; border-bottom: 1px solid var(--c-border); vertical-align: top; }
.compare thead th { background: var(--c-mint-pale); }
.compare tbody th { font-weight: 600; }
.compare tr:last-child th, .compare tr:last-child td { border-bottom: 0; }

.note { font-size: var(--fs-small); color: var(--c-ink-muted); margin-top: var(--space-3); }

/* ---------- Presupuesto / factores ---------- */
.factors { list-style: none; display: grid; gap: 0.75rem; grid-template-columns: 1fr; }
.factors li { background: var(--c-white); border-radius: var(--radius-sm); padding: 0.85rem 1rem; border-left: 4px solid var(--c-mint-strong); }
.callout { background: var(--c-white); border-radius: var(--radius); padding: var(--space-3); margin-top: var(--space-4); border: 1px solid var(--c-border); }

/* ---------- Pasos ---------- */
.steps { list-style: none; display: grid; gap: var(--space-3); counter-reset: step; }
.step { position: relative; padding: var(--space-3); padding-top: calc(var(--space-3) + 2.2rem); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius); }
.step::before {
  counter-increment: step; content: counter(step); position: absolute; top: var(--space-3); left: var(--space-3);
  width: 2.2rem; height: 2.2rem; border-radius: 50%; background: var(--c-mint); color: var(--c-ink);
  display: flex; align-items: center; justify-content: center; font-weight: 800;
}
.step p { color: var(--c-ink-muted); margin: 0; }

/* ---------- Zonas ---------- */
.zones { list-style: none; display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: var(--space-3); }
.zones li { background: var(--c-white); border: 1px solid var(--c-border); border-radius: 999px; padding: 0.5rem 1rem; font-weight: 600; }

/* ---------- Sobre / confianza ---------- */
.two-col { display: grid; gap: var(--space-4); align-items: start; }
.trust { list-style: none; display: grid; gap: var(--space-2); }
.trust li { display: flex; gap: 0.75rem; align-items: flex-start; }
.trust svg { width: 22px; height: 22px; flex: none; color: var(--c-mint-ink); margin-top: 2px; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 0.75rem; max-width: 50rem; }
.faq details { background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-sm); }
.faq summary {
  cursor: pointer; list-style: none; padding: 1rem 3rem 1rem 1.1rem; min-height: var(--tap); font-weight: 700; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 1.1rem; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--c-mint-ink); }
.faq details[open] summary::after { content: "−"; }
.faq .faq__body { padding: 0 1.1rem 1.1rem; color: var(--c-ink-muted); }
.faq .faq__body p:last-child { margin: 0; }

/* ---------- Formulario ---------- */
.form-layout { display: grid; gap: var(--space-4); }
.quote-form { background: var(--c-mint-pale); border-radius: var(--radius); padding: var(--space-3); }
.form-banner { border-radius: var(--radius-sm); padding: 0.85rem 1rem; margin-bottom: var(--space-3); font-size: var(--fs-small); background: var(--c-warn-bg); border: 1px solid var(--c-warn-border); color: #4A3700; }
fieldset { border: 0; padding: 0; margin: 0 0 var(--space-3); min-width: 0; }
legend { font-weight: 800; font-size: 1.125rem; margin-bottom: var(--space-2); padding: 0; }
.field { margin-bottom: var(--space-2); }
.field-grid { display: grid; gap: 0 var(--space-2); }
label, .label { display: block; font-weight: 600; margin-bottom: 0.35rem; }
.req { color: var(--c-error); }
.hint { display: block; font-size: var(--fs-small); color: var(--c-ink-muted); font-weight: 400; margin-top: 0.15rem; }
input[type="text"], input[type="tel"], input[type="email"], select, textarea {
  width: 100%; min-height: var(--tap); padding: 0.7rem 0.85rem; font: inherit; font-size: 1rem; /* ≥16px evita zoom en iPhone */
  color: var(--c-ink); background: var(--c-white); border: 1.5px solid #9AA3A8; border-radius: var(--radius-sm);
}
textarea { min-height: 120px; resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--c-ink); outline-offset: 1px; border-color: var(--c-ink); }
[aria-invalid="true"] { border-color: var(--c-error) !important; background: #FFFBFB; }
.choice-group { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.choice span {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0.45rem 1rem; border-radius: 999px;
  background: var(--c-white); border: 1.5px solid #9AA3A8; cursor: pointer; font-weight: 600; font-size: 0.975rem;
}
.choice input:checked + span { background: var(--c-mint); border-color: var(--c-ink); }
.choice input:focus-visible + span { outline: 3px solid var(--c-ink); outline-offset: 2px; }
.check { display: flex; gap: 0.7rem; align-items: flex-start; font-weight: 400; }
.check input { width: 22px; height: 22px; margin-top: 2px; flex: none; accent-color: var(--c-mint-ink); }
.field-error { display: block; color: var(--c-error); font-size: var(--fs-small); font-weight: 600; margin-top: 0.3rem; }
.field-error:empty { display: none; }
.privacy-box { font-size: var(--fs-small); background: var(--c-white); border-radius: var(--radius-sm); padding: 0.85rem 1rem; color: var(--c-ink-muted); margin-bottom: var(--space-2); }
.privacy-box p { margin: 0 0 0.4rem; }
.privacy-box p:last-child { margin: 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; } /* campo trampa anti-spam */

.form-status { margin-top: var(--space-2); border-radius: var(--radius-sm); padding: 1rem; font-size: var(--fs-small); }
.form-status:empty { display: none; }
.form-status--error { background: var(--c-error-bg); border: 1px solid var(--c-error); }
.form-status--demo { background: var(--c-warn-bg); border: 1px solid var(--c-warn-border); }
.form-status--ok { background: var(--c-ok-bg); border: 1px solid var(--c-mint-ink); }
.form-status strong { display: block; margin-bottom: 0.3rem; font-size: 1rem; }
.form-status ul { padding-left: 1.2rem; margin: 0.4rem 0 0; }
.form-status .btn-row { margin-top: 0.8rem; }

.contact-card { background: var(--c-alt); border-radius: var(--radius); padding: var(--space-3); }
.contact-card dl { margin: var(--space-2) 0 0; display: grid; gap: 0.6rem; }
.contact-card dt { font-weight: 700; }
.contact-card dd { margin: 0 0 0.4rem; }

/* ---------- Barra fija móvil ---------- */
.mobile-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; display: flex; gap: 0.5rem;
  padding: 0.6rem var(--gutter) calc(0.6rem + env(safe-area-inset-bottom)); background: var(--c-white);
  border-top: 1px solid var(--c-border); box-shadow: 0 -4px 16px rgba(43,47,51,0.08);
  transition: transform var(--ease);
}
.mobile-bar .btn { flex: 1 1 auto; white-space: nowrap; padding-left: 0.6rem; padding-right: 0.6rem; font-size: 0.9375rem; }
.mobile-bar.is-hidden { transform: translateY(110%); }
body { padding-bottom: 76px; }

/* ---------- Pie ---------- */
.site-footer { background: var(--c-ink); color: #D5D9DB; padding: var(--space-5) 0 var(--space-4); font-size: var(--fs-small); }
.site-footer a { color: var(--c-white); }
.footer-grid { display: grid; gap: var(--space-4); }
.footer-brand { color: var(--c-mint); font-weight: 800; font-size: 1.5rem; letter-spacing: 0.08em; margin-bottom: 0.4rem; }
.site-footer h2 { font-size: 1rem; color: var(--c-mint-strong); margin-bottom: 0.6rem; }
.site-footer ul { list-style: none; display: grid; gap: 0.3rem; }
.site-footer ul a { display: inline-flex; min-height: 36px; align-items: center; }
.footer-bottom { border-top: 1px solid #454B50; margin-top: var(--space-4); padding-top: var(--space-3); }
.site-footer .pending { color: #5C4400; }

/* ---------- Páginas legales ---------- */
.legal { padding: var(--space-5) 0; }
.legal .container { max-width: 50rem; }
.legal h1 { font-size: var(--fs-h2); }
.legal h2 { font-size: 1.3rem; margin-top: var(--space-4); }
.draft-banner { background: var(--c-warn-bg); border: 1px solid var(--c-warn-border); border-radius: var(--radius-sm); padding: 1rem; margin-bottom: var(--space-4); }

/* =========================================================
   Pantallas medianas y grandes
   ========================================================= */
@media (min-width: 640px) {
  .btn-row { flex-direction: row; flex-wrap: wrap; }
  .benefits { grid-template-columns: repeat(2, 1fr); }
  .factors { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .field-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .header-cta-label--short { display: none; }
  .header-cta-label--long { display: inline; }
}

@media (min-width: 960px) {
  :root { --gutter: 2rem; --header-h: 80px; }
  .brand img { height: 60px; }
  .hero { padding: var(--space-6) 0; }
  .hero__grid { grid-template-columns: 1.25fr 1fr; gap: var(--space-5); }
  .hero__media { display: block; }
  .benefits { grid-template-columns: repeat(4, 1fr); }
  .plans { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
  .factors { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .two-col { grid-template-columns: 1fr 1fr; gap: var(--space-5); }
  .form-layout { grid-template-columns: 1.6fr 1fr; align-items: start; }
  .quote-form { padding: var(--space-4); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .mobile-bar { display: none; }
  body { padding-bottom: 0; }
}

@media (min-width: 1100px) {
  .nav-toggle { display: none; }
  .site-nav, .site-nav.is-open { display: block; position: static; box-shadow: none; border: 0; background: none; }
  .site-nav ul { display: flex; gap: 0.25rem; padding: 0; }
  .site-nav a { min-height: 44px; padding: 0 0.7rem; font-size: 0.9375rem; }
}

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}