/* ===== RESET & VARIABLES ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --naranja:   #f97316;
  --naranja-d: #ea6c0a;
  --oscuro:    #0f172a;
  --texto:     #1e293b;
  --suave:     #64748b;
  --gris-bg:   #f8fafc;
  --blanco:    #ffffff;
  --radio:     10px;
  --sombra:    0 2px 16px rgba(0,0,0,.10);
  --max-w:     1120px;
  --font-head: 'Poppins', system-ui, sans-serif;
  --font-body: 'Open Sans', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--texto);
  background: var(--blanco);
}

/* ===== UTILIDADES ===== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== BOTONES ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radio);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background .18s, color .18s, border-color .18s, transform .1s;
  white-space: nowrap;
}

.btn:active { transform: scale(.97); }

.btn--naranja {
  background: var(--naranja);
  color: var(--blanco);
  border-color: var(--naranja);
}
.btn--naranja:hover { background: var(--naranja-d); border-color: var(--naranja-d); }

.btn--outline {
  background: transparent;
  color: var(--blanco);
  border-color: rgba(255,255,255,.5);
}
.btn--outline:hover { border-color: var(--blanco); }

.btn--outline.dark {
  color: var(--texto);
  border-color: #cbd5e1;
}
.btn--outline.dark:hover { border-color: var(--texto); }

.btn--sm  { padding: 8px 16px; font-size: 14px; }
.btn--lg  { padding: 15px 32px; font-size: 17px; }
.btn--full { width: 100%; justify-content: center; }

/* ===== NAV ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15,23,42,.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav__logo {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  color: var(--blanco);
  text-decoration: none;
  letter-spacing: -.5px;
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav__logo-icon {
  width: 24px;
  height: 30px;
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  gap: 24px;
}

.nav__links a {
  color: rgba(255,255,255,.7);
  text-decoration: none;
  font-size: 14px;
  transition: color .15s;
}
.nav__links a:hover { color: var(--blanco); }

/* ===== HERO ===== */
.hero {
  background: var(--oscuro);
  color: var(--blanco);
  padding: 80px 0 96px;
  text-align: center;
}

.hero__titulo {
  font-family: var(--font-head);
  font-size: clamp(32px, 6vw, 60px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.hero__sub {
  font-size: clamp(16px, 2.5vw, 20px);
  color: rgba(255,255,255,.72);
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.5;
}

.hero__negocios {
  font-size: 14px;
  color: rgba(255,255,255,.45);
  margin-bottom: 32px;
  letter-spacing: .3px;
}

.hero__ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== SECCIONES — TÍTULOS ===== */
.seccion__titulo {
  font-family: var(--font-head);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: -.5px;
}

.seccion__sub {
  text-align: center;
  color: var(--suave);
  font-size: 17px;
  margin-bottom: 48px;
}

/* ===== PROBLEMAS ===== */
.problemas {
  padding: 80px 0;
  background: var(--gris-bg);
}

.problemas .seccion__titulo { margin-bottom: 48px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 32px 28px;
  box-shadow: var(--sombra);
  transition: transform .2s, box-shadow .2s;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,.12);
}

.card__imagen {
  margin: -32px -28px 20px;
  border-radius: var(--radio) var(--radio) 0 0;
  overflow: hidden;
  background: #f1e8d8;
  aspect-ratio: 16/9;
}

.card__imagen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .3s ease;
}

.card:hover .card__imagen img {
  transform: scale(1.03);
}

.card h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
}

.card p {
  color: var(--suave);
  font-size: 15px;
  line-height: 1.6;
}

/* ===== CÓMO FUNCIONA ===== */
.como-funciona {
  padding: 80px 0;
  background: var(--blanco);
}

.como-funciona .seccion__titulo { margin-bottom: 48px; }

.pasos {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.paso {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  text-align: center;
  padding: 0 16px;
}

.paso__num {
  width: 52px;
  height: 52px;
  background: var(--naranja);
  color: var(--blanco);
  font-size: 22px;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.paso h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.paso p {
  color: var(--suave);
  font-size: 15px;
}

.paso__flecha {
  font-size: 28px;
  color: #cbd5e1;
  padding-top: 14px;
  flex-shrink: 0;
}

/* ===== DESCARGAS ===== */
.descargas {
  padding: 80px 0;
  background: var(--oscuro);
  color: var(--blanco);
}

.descargas__inner {
  display: flex;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}

.descargas__texto {
  flex: 1;
  min-width: 260px;
}

.descargas__texto h2 {
  font-size: clamp(22px, 3.5vw, 30px);
  font-weight: 700;
  margin-bottom: 12px;
}

.descargas__texto p {
  color: rgba(255,255,255,.7);
  font-size: 16px;
  margin-bottom: 16px;
}

.badge-confianza {
  display: inline-block;
  background: rgba(249,115,22,.15);
  border: 1px solid rgba(249,115,22,.4);
  color: #fdba74;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
}

.descargas__botones {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn--descarga {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.2);
  color: var(--blanco);
  border-radius: var(--radio);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  transition: background .18s;
  min-width: 180px;
}

.btn--descarga:hover { background: rgba(255,255,255,.15); }

.btn__icono { font-size: 28px; }

.btn--descarga span:last-child {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-weight: 700;
  font-size: 16px;
}

.btn--descarga small {
  font-weight: 400;
  font-size: 11px;
  opacity: .7;
  text-transform: uppercase;
  letter-spacing: .5px;
}

/* ===== PRECIOS ===== */
.precios {
  padding: 80px 0;
  background: var(--gris-bg);
}

.precios .seccion__titulo { margin-bottom: 8px; }

.planes {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 48px;
}

.plan {
  background: var(--blanco);
  border: 2px solid #e2e8f0;
  border-radius: 16px;
  padding: 36px 32px;
  flex: 1;
  min-width: 260px;
  max-width: 340px;
  position: relative;
}

.plan--destacado {
  border-color: var(--naranja);
  box-shadow: 0 8px 40px rgba(249,115,22,.18);
}

.plan__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--naranja);
  color: var(--blanco);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.plan__nombre {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.plan__precio {
  font-size: 36px;
  font-weight: 800;
  color: var(--oscuro);
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.plan__precio span {
  font-size: 16px;
  font-weight: 400;
  color: var(--suave);
}

.plan__lista {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.plan__lista li {
  font-size: 15px;
  padding-left: 24px;
  position: relative;
}

.plan__lista li.si::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #22c55e;
  font-weight: 700;
}

.plan__lista li.no {
  color: #94a3b8;
}

.plan__lista li.no::before {
  content: '×';
  position: absolute;
  left: 0;
  color: #cbd5e1;
  font-weight: 700;
}

.precios__nota {
  text-align: center;
  color: var(--suave);
  font-size: 14px;
  margin-top: 24px;
}

/* ===== CTA FINAL ===== */
.cta-final {
  background: var(--oscuro);
  padding: 80px 0;
  color: var(--blanco);
}

.cta-final__inner {
  text-align: center;
}

.cta-final h2 {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-final p {
  color: rgba(255,255,255,.7);
  font-size: 17px;
  margin-bottom: 32px;
}

/* ===== FOOTER ===== */
.footer {
  background: #020617;
  color: rgba(255,255,255,.6);
  padding-top: 48px;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer__logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--blanco);
  letter-spacing: -.5px;
}

.footer__marca p {
  font-size: 14px;
  margin-top: 6px;
}

.footer__links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__links a {
  color: rgba(255,255,255,.6);
  text-decoration: none;
  font-size: 14px;
  transition: color .15s;
}
.footer__links a:hover { color: var(--blanco); }

.footer__copy {
  padding: 16px 0;
  font-size: 13px;
  color: rgba(255,255,255,.3);
}

/* ===== WHATSAPP FLOTANTE ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  background: #25d366;
  color: var(--blanco);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.45);
  text-decoration: none;
  transition: transform .2s, box-shadow .2s;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,.6);
}

/* ===== RESPONSIVE ===== */

/* ===== FAQ ===== */
.faq {
  padding: 80px 0;
  background: var(--gris-bg);
}

.faq .seccion__titulo { margin-bottom: 48px; }

.faq__lista {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq__item {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  overflow: hidden;
}

.faq__item summary {
  padding: 20px 24px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color .15s;
}

.faq__item summary::-webkit-details-marker { display: none; }

.faq__item summary::after {
  content: '+';
  font-size: 22px;
  font-weight: 300;
  color: var(--naranja);
  flex-shrink: 0;
  transition: transform .2s;
}

.faq__item[open] summary::after {
  transform: rotate(45deg);
}

.faq__item[open] summary { color: var(--naranja); }

.faq__item p {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--suave);
  line-height: 1.6;
  border-top: 1px solid var(--gris-bg);
  padding-top: 16px;
}

/* Tablet — 768px y menos */
@media (max-width: 768px) {

  /* Nav: ocultar links de texto, solo logo y CTA */
  .nav__links { display: none; }

  /* Hero: menos padding, texto más compacto */
  .hero { padding: 56px 0 64px; }
  .hero__ctas { flex-direction: column; align-items: center; }
  .hero__ctas .btn { width: 100%; max-width: 320px; justify-content: center; }

  /* Pasos: vertical en móvil */
  .pasos { flex-direction: column; align-items: center; }
  .paso__flecha { transform: rotate(90deg); padding: 0; }

  /* Descargas: stack vertical */
  .descargas__inner { flex-direction: column; gap: 32px; }
  .descargas__botones { flex-direction: column; }
  .btn--descarga { justify-content: center; }

  /* Planes: stack vertical */
  .planes { flex-direction: column; align-items: center; }
  .plan { max-width: 100%; width: 100%; }

  /* Footer: stack vertical */
  .footer__inner { flex-direction: column; }
  .footer__links { flex-direction: column; gap: 12px; }

  /* WhatsApp flotante: un poco más chico */
  .whatsapp-float { width: 50px; height: 50px; bottom: 16px; right: 16px; }
}

/* Muy pequeño — 375px y menos */
@media (max-width: 375px) {
  .hero__titulo { font-size: 28px; }
  .plan { padding: 28px 20px; }
}