:root{
  --green-600:#16a34a;
  --green-700:#15803d;
  --ink-900:#0f172a;
  --ink-700:#334155;
  --sand-50:#f8fafc;
  --border:#e2e8f0;
  --radius:16px;
  --container:1100px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Ubuntu,Arial;
  color:var(--ink-900);
  line-height:1.6;
  background:#fff;
}
a{color:var(--green-700);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.site-header{
  position:sticky;top:0;background:#fff;border-bottom:1px solid var(--border);z-index:50
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:700;font-size:20px;color:var(--ink-900)}
.nav{display:flex;gap:16px;align-items:center}
.nav a{color:var(--ink-900)}
.btn{
  display:inline-block;padding:12px 18px;border-radius:999px;border:1px solid var(--border);
  transition:.2s ease; font-weight:600
}
.btn--primary{background:var(--green-600);color:#fff;border-color:var(--green-600)}
.btn--primary:hover{background:var(--green-700)}
.btn--ghost{background:#fff}
.btn--whatsapp{background:#25D366;color:#0b3d1e;border-color:#25D366}
.btn--whatsapp:hover{filter:brightness(0.95)}
.btn--xl{padding:16px 22px;font-size:18px}

.hero{padding:56px 0;background:var(--sand-50)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}
.hero-copy h1{font-size:40px;line-height:1.1;margin:0 0 12px}
.lead{font-size:18px;color:var(--ink-700);margin:0 0 20px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}

.steps,.features,.pricing,.cta-final{padding:56px 0}
.steps h2,.features h2,.pricing h2{margin:0 0 16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{
  border:1px solid var(--border);border-radius:var(--radius);padding:18px;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.04)
}
.card--step .step-num{display:inline-flex;width:32px;height:32px;border-radius:50%;align-items:center;justify-content:center;background:var(--green-600);color:#fff;margin-bottom:8px;font-weight:700}
.card--price .price{font-size:36px;font-weight:800;margin:4px 0 8px}
.card--price .list{list-style:none;padding:0;margin:10px 0 16px}
.card--popular{position:relative;border-color:var(--green-600)}
.card--popular .badge{position:absolute;top:-12px;right:12px;background:var(--green-600);color:#fff;padding:6px 10px;border-radius:999px;font-size:12px}

.muted{color:var(--ink-700)}
.center{text-align:center}
.note{margin-top:12px}

.cta-final{background:var(--sand-50);text-align:center}
.cta-final h2{margin-top:0}

.site-footer{border-top:1px solid var(--border);padding:24px 0}
.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:12px}
.footer-nav{display:flex;gap:16px}

@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .grid-4{grid-template-columns:1fr}
  .hero-copy h1{font-size:32px}
}

.hero {
  padding: 80px 0;
  background: var(--sand-50); /* mantiene el fondo neutro */
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 40px;
}

.hero-copy h1 {
  font-size: 42px;
  line-height: 1.1;
  margin-bottom: 16px;
  color: var(--ink-900);
}

.hero-copy .lead {
  font-size: 18px;
  color: var(--ink-700);
  margin-bottom: 24px;
}

.hero-visual img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

/* Responsivo */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-copy h1 {
    font-size: 34px;
  }
}