:root {
  --azul: #1E40AF;
  --azul-oscuro: #172554;
  --naranja: #EA580C;
  --oscuro: #0F172A;
  --gris: #F8FAFC;
  --gris-borde: #E2E8F0;
  --texto-suave: #64748B;
  --blanco: #FFFFFF;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  color: var(--oscuro);
  background: var(--blanco);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* HEADER */
.header {
  background: var(--blanco);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  padding: 18px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 1.6rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--azul);
  letter-spacing: -0.5px;
}
.logo span {
  color: var(--oscuro);
}
.nav a {
  text-decoration: none;
  color: var(--oscuro);
  margin-left: 28px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.nav a:hover {
  color: var(--azul);
}

/* HERO */
.hero {
  background: var(--gris);
  padding: 100px 0;
  text-align: center;
}
.hero h1 {
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.highlight {
  color: var(--azul);
}
.hero p {
  font-size: 1.15rem;
  color: var(--texto-suave);
  max-width: 620px;
  margin: 0 auto;
}

/* BENEFICIOS */
.beneficios {
  padding: 90px 0;
  text-align: center;
}
.beneficios h2 {
  font-size: 2rem;
  margin-bottom: 55px;
  letter-spacing: -0.5px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 25px;
}
.card {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  padding: 40px 25px;
  border-radius: 16px;
  transition: box-shadow 0.3s, transform 0.3s;
}
.card:hover {
  box-shadow: 0 12px 30px rgba(30, 64, 175, 0.12);
  transform: translateY(-4px);
}
.icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
}
.card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--azul);
}
.card p {
  color: var(--texto-suave);
  font-size: 0.95rem;
}

/* NOSOTROS */
.nosotros {
  background: var(--azul);
  color: var(--blanco);
  padding: 90px 0;
  text-align: center;
}
.nosotros h2 {
  font-size: 2rem;
  margin-bottom: 25px;
}
.nosotros p {
  max-width: 750px;
  margin: 0 auto;
  font-size: 1.05rem;
  opacity: 0.92;
  line-height: 1.8;
}

/* FOOTER */
.footer {
  background: var(--oscuro);
  color: #94A3B8;
  text-align: center;
  padding: 30px 0;
  font-size: 0.9rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .hero { padding: 70px 0; }
  .header-container { flex-direction: column; gap: 12px; }
  .nav a { margin: 0 12px; }
  .beneficios, .nosotros { padding: 60px 0; }
}