:root{
  --bg: #0f172a;
  --bg-dark: #020617;
  --card: #ffffff;
  --text: #ffffff;
  --text-dark: #0f172a;
  --muted: #cbd5e1;
  --primary: #22c55e;
  --primary-hover: #16a34a;
  --secondary: #0ea5e9;
  --secondary-hover: #0284c7;
  --border: rgba(255,255,255,0.08);
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  --radius: 18px;
}

*{
  box-sizing: border-box;
}

html{
  scroll-behavior: smooth;
}

body{
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
  color: var(--text);
  line-height: 1.6;
}

/* CONTENEDORES */
.section,
.hero{
  padding: 70px 20px;
}

.section{
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.dark{
  background: rgba(2, 6, 23, 0.9);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* HERO */
.hero{
  text-align: center;
  background:
    radial-gradient(circle at top, rgba(255,255,255,0.15), transparent 35%),
    linear-gradient(135deg, #22c55e 0%, #0ea5e9 100%);
}

.hero h1{
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.15;
  max-width: 900px;
  margin: 0 auto 18px;
}

.hero p{
  font-size: 1.1rem;
  max-width: 760px;
  margin: 0 auto 18px;
}

/* TITULOS Y TEXTO */
h1, h2, h3{
  margin-top: 0;
}

h2{
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1.2;
  margin-bottom: 15px;
}

h3{
  font-size: 1.2rem;
  margin-bottom: 10px;
}

p{
  font-size: 1rem;
  margin: 0 0 12px;
}

.highlight{
  color: #ffffff;
  font-weight: bold;
  max-width: 800px;
  margin: 18px auto 0;
}

/* LISTAS */
.list{
  text-align: left;
  max-width: 560px;
  margin: 30px auto 0;
  padding: 0;
  list-style: none;
}

.list li{
  background: rgba(255,255,255,0.06);
  margin-bottom: 12px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

/* GRIDS */
.grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.grid > div{
  background: rgba(255,255,255,0.06);
  padding: 20px;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

/* BONOS / FAQ */
.bonos{
  text-align: left;
  max-width: 760px;
  margin: 30px auto 0;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 25px;
  box-shadow: var(--shadow);
}

.bonos p{
  margin-bottom: 10px;
}

.extra-title{
  color: var(--primary);
  margin-top: 25px;
}

/* VIDEO */
.video-container{
  width: 100%;
  max-width: 900px;
  margin: 35px auto 0;
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 18px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.45);
}

.video-container iframe{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 18px;
}

/* PLANES */
.planes{
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  align-items: stretch;
  margin-top: 35px;
}

.plan{
  background: var(--card);
  color: var(--text-dark);
  padding: 28px 22px;
  border-radius: 20px;
  width: 300px;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.plan:hover{
  transform: translateY(-6px);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.3);
}

.destacado{
  border: 3px solid var(--primary);
  transform: scale(1.03);
}

.destacado:hover{
  transform: scale(1.03) translateY(-6px);
}

.precio{
  font-size: 2.2rem;
  font-weight: bold;
  color: var(--primary);
  margin: 10px 0;
}

/* BOTONES */
.btn,
.btn2{
  display: inline-block;
  width: 100%;
  max-width: 260px;
  text-align: center;
  padding: 14px 16px;
  margin: 10px auto 0;
  border-radius: 12px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
}

.btn{
  background: var(--primary);
  color: white;
  box-shadow: 0 10px 25px rgba(34, 197, 94, 0.25);
}

.btn:hover{
  background: var(--primary-hover);
  transform: translateY(-2px);
}

.btn2{
  background: var(--secondary);
  color: white;
}

.btn2:hover{
  background: var(--secondary-hover);
  transform: translateY(-2px);
}

/* FORMULARIO */
input{
  width: 100%;
  max-width: 460px;
  padding: 14px 16px;
  margin: 12px auto;
  display: block;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.08);
  color: white;
  font-size: 1rem;
  outline: none;
}

input::placeholder{
  color: #cbd5e1;
}

input:focus{
  border-color: var(--secondary);
  box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.15);
}

/* IMAGENES */
img{
  max-width: 100%;
  display: block;
}

.grid img{
  border-radius: 14px;
  margin-bottom: 12px;
}

/* WHATSAPP FLOTANTE */
.whatsapp{
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25D366;
  color: white;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  text-decoration: none;
  box-shadow: 0 15px 30px rgba(0,0,0,0.35);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  z-index: 1000;
}

.whatsapp:hover{
  transform: scale(1.08);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

/* ESPACIADO EN TEXTOS DENTRO DE CARDS */
.plan p:last-of-type,
.grid p:last-child,
.bonos p:last-child{
  margin-bottom: 0;
}

/* RESPONSIVE */
@media (max-width: 768px){
  .hero,
  .section{
    padding: 55px 18px;
  }

  .hero h1{
    font-size: 2rem;
  }

  h2{
    font-size: 1.6rem;
  }

  .planes{
    gap: 18px;
  }

  .plan{
    width: 100%;
    max-width: 360px;
  }

  .destacado{
    transform: none;
  }

  .destacado:hover{
    transform: translateY(-6px);
  }

  .grid{
    grid-template-columns: 1fr;
  }

  .btn,
  .btn2{
    max-width: 100%;
  }
}

@media (max-width: 480px){
  body{
    line-height: 1.5;
  }

  .hero h1{
    font-size: 1.75rem;
  }

  .hero p,
  p,
  li,
  input{
    font-size: 0.98rem;
  }

  .whatsapp{
    width: 54px;
    height: 54px;
    font-size: 1.35rem;
  }
}