:root{
  --black:#111111;
  --black-2:#1a1a1a;
  --yellow:#FFD600;
  --yellow-2:#ffea70;
  --white:#ffffff;
  --gray:#bdbdbd;
  --border: rgba(255, 214, 0, .18);
  --shadow: 0 18px 40px rgba(0,0,0,.35);
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }

body{
  font-family: 'Inter', Arial, Helvetica, sans-serif;
  /* Integración de la imagen de fondo con capa oscura para contraste */
  background:
    radial-gradient(circle at top, rgba(255,214,0,.15), transparent 45%),
    linear-gradient(180deg, rgba(11, 11, 11, 0.85) 0%, rgba(17, 17, 17, 0.92) 45%, rgba(8, 8, 8, 0.98) 100%),
    url("IMG/Imagen_de__fondo.png") no-repeat center center fixed;
  background-size: cover;
  color:var(--white);
  line-height:1.6;
}

a{ color:inherit; text-decoration:none; }

h1, h2, h3,
.brand, .plan-price .amount, .step-number{
  font-family: 'Poppins', Arial, Helvetica, sans-serif;
}

.container{
  width:min(1100px, 92%);
  margin:0 auto;
}

/* HEADER */

header{
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter: blur(12px);
  background: rgba(17,17,17,.75);
  border-bottom:1px solid rgba(255,255,255,.06);
}

.nav{
  display:grid;
  grid-template-columns: auto 1fr auto;
  align-items:center;
  padding:10px 0;
  gap:16px;
}

.brand{
  font-weight:800;
  letter-spacing:.5px;
  color:var(--yellow);
  font-size:1.05rem;
  display:flex;
  align-items:center;
  gap:12px;
}

.logo{
  display:flex;
  align-items:center;
}

.logo img{
  height:64px;
  width:auto;
  display:block;
}

@media (max-width:480px){
  .logo img{ height:52px; }
}

.nav-links{
  display:flex;
  gap:22px;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
}

.nav-links a{
  color:#e7e7e7;
  font-size:.95rem;
  opacity:.9;
}

.nav-links a:hover{ color:var(--yellow); }

.nav-whatsapp{
  white-space:nowrap;
  padding:10px 20px;
  font-size:.9rem;
}

@media (max-width:900px){
  .nav-whatsapp{ align-self:flex-start; }
}

/* BOTONES */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px 22px;
  border-radius:14px;
  font-weight:700;
  border:1px solid transparent;
  transition:.25s ease;
  cursor:pointer;
  user-select:none;
}

.btn-primary{
  background: var(--yellow);
  color: var(--black);
  box-shadow: 0 10px 24px rgba(255,214,0,.16);
}

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

.btn-secondary{
  background: rgba(17, 17, 17, 0.6);
  backdrop-filter: blur(5px);
  color: var(--white);
  border-color: var(--border);
}

.btn-secondary:hover{
  border-color: var(--yellow);
  color: var(--yellow);
}

/* HERO */

.hero{
  padding:64px 0 40px;
  min-height:80vh;
  display:flex;
  align-items:center;
}

.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:32px;
  align-items:center;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background: rgba(255,214,0,.08);
  border:1px solid rgba(255,214,0,.2);
  color: var(--yellow);
  padding:8px 14px;
  border-radius:999px;
  font-size:.9rem;
  margin-bottom:18px;
}

h1{
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  font-weight:800;
  line-height:1.05;
  letter-spacing:-1px;
  margin-bottom:18px;
  max-width:17ch;
}

.highlight{ color: var(--yellow); }

.hero p{
  color:#d7d7d7;
  font-size:1.05rem;
  max-width:52ch;
  margin-bottom:24px;
}

.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

/* CARDS */

.card{
  background: linear-gradient(180deg, rgba(25,25,25,.4), rgba(15,15,15,.6));
  backdrop-filter: blur(8px);
  border:1px solid rgba(255,255,255,.08);
  box-shadow: var(--shadow);
  border-radius: 22px;
}

.hero-card{
  padding:28px;
  position:relative;
  overflow:hidden;
}

/* STATS */

.stat{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:14px;
  margin-top:18px;
}

.stat-box{
  background: rgba(0,0,0,.4);
  border:1px solid rgba(255,214,0,.16);
  border-radius:18px;
  padding:18px;
}

.stat-box strong{
  display:block;
  font-size:1.4rem;
  color:var(--yellow);
  margin-bottom:4px;
}

.stat-box span{
  color:#d2d2d2;
  font-size:.92rem;
}

/* SECCIONES */

section{
  padding: 30px 0 72px;
}

.section-title{
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight:700;
  margin-bottom:12px;
  line-height:1.1;
}

.section-subtitle{
  color:#cfcfcf;
  max-width: 70ch;
  margin-bottom: 26px;
}

.small-note{
  margin-top:10px;
  font-size:.88rem;
  color:#9d9d9d;
}

/* GRID / FEATURES */

.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:18px;
}

.feature{ padding:24px; }

.feature .icon{
  width:48px;
  height:48px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background: rgba(255,214,0,.1);
  color: var(--yellow);
  font-size:1.3rem;
  margin-bottom:16px;
  border:1px solid rgba(255,214,0,.18);
}

.feature h3{
  margin-bottom:10px;
  font-size:1.15rem;
}

.feature p{
  color:#cfcfcf;
  font-size:.97rem;
}

/* PROCESO */

.process{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:16px;
}

.step{ padding:22px; position:relative; }

.step-number{
  display:inline-flex;
  width:34px;
  height:34px;
  border-radius:50%;
  align-items:center;
  justify-content:center;
  background: var(--yellow);
  color: var(--black);
  font-weight:800;
  margin-bottom:14px;
}

.step h3{
  margin-bottom:8px;
  font-size:1.05rem;
}

.step p{
  color:#cfcfcf;
  font-size:.95rem;
}

/* PLANES */

.plans{
  align-items:stretch;
}

.plan{
  display:flex;
  flex-direction:column;
  padding:30px 26px;
  position:relative;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.plan:hover{
  transform: translateY(-6px);
  border-color: rgba(255,214,0,.35);
  box-shadow: 0 22px 48px rgba(0,0,0,.45);
}

.plan h3{
  font-size:1.25rem;
  margin-bottom:8px;
}

.plan-desc{
  color:#cfcfcf;
  font-size:.93rem;
  min-height:64px;
}

.plan-price{
  margin:18px 0 20px;
  display:flex;
  align-items:baseline;
  gap:6px;
}

.plan-price .amount{
  font-size:2.1rem;
  font-weight:800;
  color:var(--white);
}

.plan-price .period{
  color:#9d9d9d;
  font-size:.9rem;
}

.plan-features{
  list-style:none;
  margin-bottom:26px;
  flex-grow:1;
}

.plan-features li{
  color:#d7d7d7;
  font-size:.93rem;
  padding-left:22px;
  position:relative;
  margin-bottom:10px;
}

.plan-features li::before{
  content:"✓";
  position:absolute;
  left:0;
  color:var(--yellow);
  font-weight:800;
}

.plan-cta{
  width:100%;
}

/* PLAN DESTACADO */
.plan-popular{
  border:2px solid var(--yellow);
  background: linear-gradient(180deg, rgba(255,214,0,.07), rgba(25,25,25,.5));
  transform: scale(1.05);
  box-shadow: 0 25px 60px rgba(255,214,0,.18);
  z-index:2;
}

.plan-popular:hover{
  transform: scale(1.05) translateY(-6px);
}

.plan-badge{
  position:absolute;
  top:-14px;
  left:50%;
  transform:translateX(-50%);
  background: linear-gradient(90deg, #FFD600, #ffea70);
  color:#111;
  font-size:.78rem;
  font-weight:800;
  letter-spacing:.4px;
  padding:6px 16px;
  border-radius:999px;
  box-shadow: 0 10px 25px rgba(255,214,0,.35);
}

@media (max-width:900px){
  .plan-popular{ transform:none; }
  .plan-popular:hover{ transform: translateY(-6px); }
}

/* CTA */

.cta-wrap{
  padding:32px;
  display:grid;
  grid-template-columns: 1fr auto;
  gap:20px;
  align-items:center;
  background:
    linear-gradient(135deg, rgba(255,214,0,.12), rgba(0,0,0,.4));
  backdrop-filter: blur(5px);
  border:1px solid rgba(255,214,0,.16);
  border-radius:26px;
}

.cta-wrap h2{
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin-bottom:10px;
}

.cta-wrap p{
  color:#dedede;
  max-width: 60ch;
}

/* FOOTER */

footer{
  padding: 24px 0 44px;
  color:#a7a7a7;
  font-size:.92rem;
  text-align:center;
  border-top:1px solid rgba(255,255,255,.06);
}

/* FAQ */

.faq-item{
  background: linear-gradient(180deg, rgba(25,25,25,.4), rgba(15,15,15,.6));
  backdrop-filter: blur(8px);
  border:1px solid rgba(255,255,255,.08);
  border-radius:16px;
  margin-bottom:16px;
  overflow:hidden;
  transition: border-color .25s ease;
}

.faq-item:hover{
  border-color: rgba(255,214,0,.3);
}

.faq-question{
  width:100%;
  background:none;
  border:none;
  color:var(--white);
  font-family:'Poppins', Arial, Helvetica, sans-serif;
  font-size:1.05rem;
  font-weight:600;
  text-align:left;
  padding:20px 22px;
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
}

.faq-question span{
  color:var(--yellow);
  font-size:1.5rem;
  flex-shrink:0;
  transition: transform .25s ease;
}

.faq-item.active .faq-question span{
  transform: rotate(45deg);
}

.faq-answer{
  max-height:0;
  overflow:hidden;
  transition: max-height .35s ease;
}

.faq-answer p{
  color:#cfcfcf;
  font-size:.95rem;
  padding:0 22px 20px;
  line-height:1.7;
}

.faq-item.active .faq-answer{
  max-height:300px;
}

@media (max-width:560px){
  .faq-question{
    padding:16px 18px;
    font-size:1rem;
  }
  .faq-answer p{
    padding:0 18px 18px;
  }
}

/* RESPONSIVE */

@media (max-width:900px){
  .hero-grid,
  .grid-3,
  .process,
  .cta-wrap{
    grid-template-columns: 1fr;
  }

  h1{ max-width:none; }

  .nav{
    display:flex;
    flex-direction:column;
    align-items:flex-start;
  }

  .nav-whatsapp{
    align-self:stretch;
    text-align:center;
  }
}

@media (max-width:560px){
  .hero{ padding-top:56px; }

  .hero-card,
  .feature,
  .step,
  .cta-wrap{
    padding:20px;
  }

  .hero-actions .btn{
    width:100%;
  }
}