/* Variables y tema */
:root {
  --bg-gray: #f8f9fa;
  --text-main: #1f1f1f;
  --text-sub: #5f6368;
  --accent-blue: #1a73e8;
  --card-bg: #f8f9fa;
  --border-radius: 28px;
}

/* Reset general */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Google Sans', sans-serif;
}

body {
  background-color: #ffffff;
  color: var(--text-main);
  line-height: 1.5;
}

/* Contenedores y utilidades de maquetación */
.section-container {
  max-width: 1280px;
  margin: 0 auto 100px auto;
  padding: 0 24px;
}

.section-title {
  font-size: 48px;
  font-weight: 500;
  letter-spacing: -0.5px;
  text-align: center;
  margin-bottom: 48px;
}

/* Botones */
.btn-blue {
  background: var(--accent-blue);
  color: #ffffff;
  border: none;
  padding: 12px 24px;
  border-radius: 100px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

.btn-outline {
  border: 1px solid var(--text-main);
  background: transparent;
  color: var(--text-main);
  padding: 12px 24px;
  border-radius: 100px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

/* Sección Hero */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-text h1 {
  font-size: 56px;
  font-weight: 500;
  line-height: 1.1;
  margin-top: 12px;
  margin-bottom: 24px;
}

.hero-text p {
  font-size: 18px;
  color: var(--text-sub);
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-image {
  background-color: #e54322;
  border-radius: var(--border-radius);
  height: 480px;
  object-fit: cover;
  background-position: center;
}

/* Banner promocional */
.promo-banner {
  background: #f8f9fa;
  border-radius: 16px;
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 40px;
}

.promo-content {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Grilla de características */
.features-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  text-align: center;
}

.feature-item p {
  font-size: 13px;
  color: var(--text-sub);
  margin-top: 8px;
}

.feature-item strong {
  display: block;
  color: var(--text-main);
}

/* Sección de planes y precios */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.plan-card {
  border: 1px solid #dadce0;
  border-radius: 20px;
  padding: 32px 24px;
  background: #ffffff;
  display: flex;
  flex-direction: column;
}

.plan-badge {
  background: #e8f0fe;
  color: var(--accent-blue);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  align-self: flex-start;
  margin-bottom: 12px;
}

.plan-card h3 {
  font-size: 22px;
  font-weight: 500;
}

.plan-card .sub {
  font-size: 14px;
  color: var(--text-sub);
  margin-top: 4px;
}

.plan-price {
  font-size: 24px;
  font-weight: 500;
  margin: 24px 0 4px 0;
}

.plan-price span {
  font-size: 14px;
  font-weight: normal;
  color: var(--text-sub);
}

.plan-features {
  border-top: 1px solid #dadce0;
  margin-top: 24px;
  padding-top: 24px;
  list-style: none;
  font-size: 14px;
}

.plan-features li {
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Filas divididas (Imagen + Contenido) */
.split-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.split-row.reverse {
  direction: rtl;
}

.split-row.reverse .split-content {
  direction: ltr;
}

.split-img {
  height: 380px;
  background-color: #e8eaed;
  border-radius: var(--border-radius);
}

.split-content h2 {
  font-size: 36px;
  font-weight: 500;
  margin-bottom: 16px;
}

.split-content p {
  font-size: 16px;
  color: var(--text-sub);
  margin-bottom: 24px;
}

/* Ofertas de dispositivos */
.devices-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.device-card {
  background: var(--card-bg);
  border-radius: 20px;
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.device-badge {
  font-size: 11px;
  font-weight: 500;
  background: #e8f0fe;
  color: var(--accent-blue);
  padding: 2px 8px;
  border-radius: 4px;
  align-self: flex-start;
}

.device-img {
  height: 140px;
  object-fit: cover;
  background: #dadce0;
  border-radius: 12px;
  margin: 16px 0;
}

.device-card h4 {
  font-size: 16px;
  font-weight: 500;
}

.device-price {
  font-size: 13px;
  margin-top: 4px;
}

/* Banner de cambio rápido */
.switch-banner {
  background: #fff8e1;
  border-radius: var(--border-radius);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Acordeón de preguntas frecuentes (FAQ) */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
}

.faq-item {
  border-bottom: 1px solid #dadce0;
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 500;
}

/* Cuadro de boletín informativo */
.newsletter-box {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 60px;
  text-align: center;
}

/* Notas al pie */
.footnotes {
  font-size: 11px;
  color: var(--text-sub);
  line-height: 1.6;
  border-top: 1px solid #dadce0;
  padding-top: 24px;
}

.footnotes p {
  margin-bottom: 8px;
}

/* Adaptabilidad a dispositivos móviles */
@media (max-width: 900px) {
  .hero-grid,
  .split-row,
  .plans-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .features-grid,
  .devices-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-title {
    font-size: 32px;
  }
}