:root{
  --brand:#0ea5e9;      /* Primario */
  --brand-600:#0284c7;  /* Hover */
  --ink:#0f172a;        /* Texto principal */
  --muted:#475569;      /* Texto secundario */
  --bg:#0b1220;         /* Fondo oscuro hero */
  --card:#ffffff;       /* Cards */
  --ring:rgba(14,165,233,.35);
  --radius:14px;
  --shadow:0 8px 28px rgba(2,8,23,.12);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);line-height:1.55;background:#f6f8fb}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-600)}
.container{width:min(1120px, 92%);margin:auto}
header{position:sticky;top:0;z-index:50;background:#ffffffe6;backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid #eef2f7}
.nav{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink)}
.brand-logo{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),#60a5fa)}
.nav ul{display:flex;gap:18px;list-style:none;margin:0;padding:0}
.nav a{display:inline-block;padding:10px 12px;border-radius:10px;color:var(--ink)}
.nav a.cta{background:var(--brand);color:#fff;font-weight:600}
.nav a.cta:hover{background:var(--brand-600)}
.menu-btn{display:none}

.hero{background:radial-gradient(1200px 600px at 20% -10%, rgba(14,165,233,.25), transparent 60%), var(--bg);color:#e6f6fd}
.hero .wrap{display:grid;grid-template-columns:1.15fr 0.85fr;gap:40px;align-items:center;padding:64px 0}
.hero h1{font-size:clamp(32px,5vw,56px);line-height:1.05;margin:8px 0 14px}
.hero p{color:#cfe8f6;font-size:18px;margin:0 0 22px}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin:8px 0 22px}
.badge{background:#071225;border:1px solid #10324a;color:#cfe8f6;padding:6px 10px;border-radius:999px;font-size:12px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 16px;border-radius:12px;border:1px solid transparent;font-weight:600}
.btn.primary{background:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-600)}
.btn.ghost{background:transparent;border-color:#1e2b3a;color:#cfe8f6}
.btn.ghost:hover{border-color:#3b4f65}
.hero img{width:100%;height:auto;border-radius:18px;box-shadow:0 25px 80px rgba(2,8,23,.45);border:1px solid #0f2130}

.section{padding:56px 0}
.section h2{font-size:clamp(24px,3.6vw,36px);margin:0 0 10px}
.section p.lead{color:var(--muted);margin:0 0 26px}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;border:1px solid #eef2f7}
.card h3{margin:8px 0 6px}
.card p{color:var(--muted);margin:0}

.split{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.check{display:flex;align-items:center;gap:10px}
.checks { display: grid; gap: 6px; margin-top: 8px; }
.check svg{flex:none}

.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.price{background:#fff;border:1px solid #eef2f7;border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.price h3{margin:0 0 4px}
.price .tag{font-size:12px;color:#64748b}
.price .val{font-size:32px;font-weight:800;margin:12px 0}
.price ul{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:8px;color:#475569}

.contact{background:#fff;border:1px solid #eef2f7;border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.field{display:grid;gap:6px;margin-bottom:14px}
.field input,.field textarea{padding:12px 14px;border:1px solid #dbe3ee;border-radius:12px;font:inherit}
.field input:focus,.field textarea:focus{outline:2px solid var(--ring);border-color:var(--brand)}

footer{padding:26px 0;color:#64748b}
.foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* Responsive */
@media (max-width: 980px){
  .hero .wrap{grid-template-columns:1fr;gap:22px;padding:42px 0}
  .cards{grid-template-columns:1fr 1fr}
  .pricing{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
}
@media (max-width: 720px){
  .cards,.pricing{grid-template-columns:1fr}
  .menu-btn{display:inline-flex;border:none;background:#fff;padding:10px;border-radius:10px}
  .nav ul{display:none;position:absolute;left:0;right:0;top:56px;background:#fff;border-bottom:1px solid #eef2f7;padding:10px 4%}
  .nav ul.show{display:grid}
  .nav a{padding:12px 10px}
}


/* Presentación con fotos a los lados */
#presentacion .container {
  display: grid;
  grid-template-columns: 200px 1fr 200px;
  gap: 24px;
  align-items: center;
}

/* Limite de altura en fotos */
.portrait-side img {
  max-height: 200px;
  width: auto;
  display: block;
  margin: 0 auto;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(2,8,23,.2);
  border: 1px solid #e5eef7;
  object-fit: cover;
}

/* Responsive: fotos arriba y abajo del texto */
@media (max-width: 900px) {
  #presentacion .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .portrait-side img {
    margin-bottom: 16px;
  }
}


/* Imagen del hero */
.hero-img {
  max-width: 300px;
  height: auto;
  display: block;
  margin: 0 auto;
}