:root {
  --cyan: #00c8d7;
  --cyan-dark: #0099a8;
  --cyan-glow: rgba(0, 200, 215, .18);
  --negro: #0a0a0a;
  --gris-oscuro: #111214;
  --gris-medio: #1a1c1f;
  --gris-borde: #2a2d32;
  --texto: #e8eaec;
  --texto-suave: #7a8290;
  --verde: #3ecf6e;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background: var(--negro);
  scroll-behavior: smooth;
}

body {
  background: var(--negro);
  color: var(--texto);
  font-family: 'Nunito', sans-serif;
  overflow-x: hidden;
  line-height: 1.6;
  min-height: 100vh;
}

header .badge,
header .app-brand,
header h1,
header .subtitulo,
header .precio-hero,
header .precio-nota {
  position: relative;
  z-index: 1;
}

.app-brand {
  margin-bottom: 18px;
}

.app-icon {
  display: block;
  margin: 0 auto 10px;
  border-radius: 22%;
  box-shadow: 0 8px 32px rgba(0, 200, 215, .25), 0 0 0 2px rgba(0, 200, 215, .2);
  background: #1e2129;
}

.app-name-label {
  font-size: .82rem;
  font-weight: 700;
  color: var(--texto-suave);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.app-name-label strong {
  color: #fff;
  font-weight: 800;
}

header {
  position: relative;
  background: linear-gradient(160deg, #0d1517 0%, var(--negro) 65%);
  border-bottom: 2px solid var(--cyan);
  padding: 64px 24px 52px;
  text-align: center;
  overflow: hidden;
}

header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% -10%, rgba(0, 200, 215, .22) 0%, transparent 65%);
  pointer-events: none;
}

header::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(0, 200, 215, .07) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at 50% 0%, black 30%, transparent 80%);
}

.badge {
  display: inline-block;
  background: transparent;
  border: 1px solid var(--verde);
  color: var(--verde);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  animation: pulso 2.4s infinite;
  position: relative;
}

@keyframes pulso {
  0%, 100% { box-shadow: 0 0 0 0 rgba(62, 207, 110, .4); }
  50% { box-shadow: 0 0 0 10px rgba(62, 207, 110, 0); }
}

header h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(3rem, 7.5vw, 5.8rem);
  letter-spacing: .05em;
  line-height: 1;
  color: #fff;
  text-shadow: 0 0 40px rgba(0, 200, 215, .25);
  position: relative;
}

header h1 span {
  color: var(--cyan);
}

header p.subtitulo {
  margin: 20px auto 0;
  max-width: 640px;
  font-size: 1.05rem;
  color: var(--texto-suave);
  line-height: 1.7;
  position: relative;
}

header p.subtitulo strong {
  color: #fff;
}

.precio-hero {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  background: rgba(0, 200, 215, .07);
  border: 1px solid rgba(0, 200, 215, .3);
  border-radius: 16px;
  padding: 18px 32px;
  margin: 28px auto 0;
  position: relative;
}

.precio-monto {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 3.2rem;
  color: var(--cyan);
  letter-spacing: .04em;
  line-height: 1;
}

.precio-detalle {
  text-align: left;
}

.precio-detalle strong {
  display: block;
  font-size: .9rem;
  color: #fff;
  font-weight: 800;
}

.precio-detalle span {
  font-size: .78rem;
  color: var(--texto-suave);
}

.precio-nota {
  font-size: .85rem;
  color: var(--texto-suave);
  margin-top: 14px;
  position: relative;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.banda {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  border-top: 1px solid var(--gris-borde);
  border-bottom: 1px solid var(--gris-borde);
}

.banda-item {
  padding: 14px 28px;
  font-size: .85rem;
  font-weight: 700;
  color: var(--texto-suave);
  border-right: 1px solid var(--gris-borde);
  display: flex;
  align-items: center;
  gap: 8px;
}

.banda-item:last-child {
  border-right: none;
}

.banda-item span {
  color: #fff;
}

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

.seccion-titulo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.1rem;
  letter-spacing: .07em;
  text-align: center;
  margin: 56px 0 28px;
  color: #fff;
}

.seccion-titulo span {
  color: var(--cyan);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin: 32px 0 36px;
}

.card {
  background: var(--gris-medio);
  border: 1px solid var(--gris-borde);
  border-radius: 12px;
  padding: 26px 22px;
  position: relative;
  overflow: hidden;
  transition: transform .2s, border-color .25s, box-shadow .25s;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--cyan);
  box-shadow: 0 6px 32px var(--cyan-glow);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity .25s;
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  font-size: 1.9rem;
  margin-bottom: 12px;
}

.card h3 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: #fff;
}

.card p {
  font-size: .875rem;
  color: var(--texto-suave);
  line-height: 1.65;
}

.activacion-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.activacion-card {
  background: var(--gris-oscuro);
  border: 1px solid var(--gris-borde);
  border-radius: 16px;
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
}

.activacion-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}

.activacion-card h3 {
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.activacion-card h3 .device-icon {
  font-size: 1.4rem;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.step-num {
  width: 26px;
  height: 26px;
  min-width: 26px;
  border-radius: 50%;
  background: rgba(0, 200, 215, .1);
  border: 1px solid rgba(0, 200, 215, .3);
  color: var(--cyan);
  font-size: .75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.step p {
  font-size: .9rem;
  color: var(--texto-suave);
  line-height: 1.55;
}

.step p strong {
  color: #fff;
}

.compat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}

.compat-box {
  border-radius: 14px;
  padding: 24px 22px;
  border: 1px solid var(--gris-borde);
}

.compat-box--ok {
  background: rgba(62, 207, 110, .06);
  border-color: rgba(62, 207, 110, .25);
}

.compat-box--no {
  background: rgba(255, 80, 80, .05);
  border-color: rgba(255, 80, 80, .2);
}

.compat-box h3 {
  font-size: .95rem;
  font-weight: 800;
  margin-bottom: 14px;
  color: #fff;
}

.compat-box ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.compat-box li {
  font-size: .875rem;
  color: var(--texto-suave);
}

.download-block {
  background: var(--gris-oscuro);
  border: 1px solid var(--gris-borde);
  border-radius: 16px;
  padding: 32px 28px;
  text-align: center;
  margin-bottom: 48px;
}

.app-install-preview {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 20px 28px;
  background: rgba(0, 200, 215, .05);
  border: 1px solid rgba(0, 200, 215, .22);
  border-radius: 14px;
  padding: 22px 24px;
  margin-bottom: 28px;
  text-align: left;
}

.app-icon-lg {
  border-radius: 22%;
  box-shadow: 0 10px 36px rgba(0, 200, 215, .2), 0 0 0 2px rgba(0, 200, 215, .25);
  background: #1e2129;
  flex-shrink: 0;
}

.app-install-title {
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 4px;
}

.app-install-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.4rem;
  letter-spacing: .06em;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
}

.app-install-hint {
  font-size: .85rem;
  color: var(--texto-suave);
  line-height: 1.55;
  max-width: 280px;
}

.download-block h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}

.download-block > p {
  font-size: .9rem;
  color: var(--texto-suave);
  margin-bottom: 20px;
}

.downloader-code {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px 20px;
  background: rgba(0, 200, 215, .08);
  border: 2px dashed rgba(0, 200, 215, .35);
  border-radius: 14px;
  padding: 20px 28px;
  margin: 8px 0 20px;
}

.downloader-label {
  font-size: .85rem;
  font-weight: 700;
  color: var(--texto-suave);
}

.downloader-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.8rem;
  letter-spacing: .12em;
  color: var(--cyan);
  line-height: 1;
}

.btn-copy {
  background: var(--cyan);
  color: var(--negro);
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-family: 'Nunito', sans-serif;
  font-size: .8rem;
  font-weight: 800;
  cursor: pointer;
  transition: background .2s, transform .15s;
}

.btn-copy:hover {
  background: #00e0f0;
  transform: scale(1.03);
}

.download-hint {
  max-width: 520px;
  margin: 0 auto !important;
  font-size: .85rem !important;
}

.download-alt {
  margin-top: 16px !important;
  font-size: .8rem !important;
  color: var(--texto-suave) !important;
  opacity: .85;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 48px;
}

.faq-item {
  background: var(--gris-medio);
  border: 1px solid var(--gris-borde);
  border-radius: 10px;
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  font-weight: 700;
  font-size: .9rem;
  color: #fff;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.faq-item summary::after {
  content: '+';
  color: var(--cyan);
  font-size: 1.2rem;
  font-weight: 800;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item p {
  padding: 0 20px 16px;
  font-size: .875rem;
  color: var(--texto-suave);
  line-height: 1.65;
}

.contact-block {
  text-align: center;
  background: linear-gradient(180deg, var(--gris-oscuro) 0%, var(--negro) 100%);
  border: 1px solid var(--gris-borde);
  border-radius: 16px;
  padding: 40px 28px;
  margin-top: 24px;
}

.contact-block > p {
  font-size: .9rem;
  color: var(--texto-suave);
  max-width: 480px;
  margin: 0 auto 20px;
}

.contact-email {
  display: inline-block;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--cyan);
  text-decoration: none;
  padding: 12px 24px;
  border: 1px solid rgba(0, 200, 215, .35);
  border-radius: 10px;
  transition: background .2s, box-shadow .2s;
}

.contact-email:hover {
  background: rgba(0, 200, 215, .1);
  box-shadow: 0 0 24px var(--cyan-glow);
}

.contact-note {
  margin-top: 16px !important;
  font-size: .8rem !important;
}

footer {
  border-top: 1px solid var(--gris-borde);
  padding: 28px 20px;
  text-align: center;
}

.footer-brand {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.4rem;
  letter-spacing: .08em;
  color: var(--cyan);
  margin-bottom: 6px;
}

.footer-copy {
  font-size: .75rem;
  color: var(--texto-suave);
}

@media (max-width: 600px) {
  .banda-item {
    border-right: none;
    border-bottom: 1px solid var(--gris-borde);
    width: 100%;
    justify-content: center;
  }

  .precio-hero {
    flex-direction: column;
    text-align: center;
    padding: 18px 20px;
  }

  .precio-detalle {
    text-align: center;
  }

  .downloader-num {
    font-size: 2.2rem;
  }

  .app-install-preview {
    flex-direction: column;
    text-align: center;
  }

  .app-install-hint {
    max-width: none;
  }
}