:root {
    --dark: #0f172a;
    --dark-light: #1e293b;
    --accent: #00b4d8;
    --text: #f1f5f9;
    --muted: #94a3b8;
    --radius: 12px;
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
  }
  
  body {
    background: var(--dark);
    color: var(--text);
    line-height: 1.6;
  }
  
  /* HERO */
  .hero {
    height: 100vh;
    background: linear-gradient(rgba(15,23,42,0.85), rgba(15,23,42,0.85)),
                url("https://images.unsplash.com/photo-1503376780353-7e6692767b70") center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
  }
  
  .hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
  }
  
  .hero p {
    max-width: 600px;
    margin: 0 auto 2rem;
    color: var(--muted);
  }
  
  .hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
  }
  
  .btn {
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: bold;
  }
  
  .primary {
    background: var(--accent);
    color: var(--dark);
  }
  
  .secondary {
    border: 1px solid var(--accent);
    color: var(--accent);
  }
  
  /* CONFIANZA */
  .trust {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
    background: var(--dark-light);
    padding: 2rem;
    text-align: center;
  }
  
  /* SECCIONES */
  section {
    padding: 4rem 2rem;
    max-width: 1100px;
    margin: auto;
  }
  
  h2 {
    text-align: center;
    margin-bottom: 2rem;
  }
  
  .problem p {
    max-width: 700px;
    margin: auto;
    text-align: center;
  }
  
  .highlight {
    color: var(--accent);
    margin-top: 1rem;
  }
  
  /* SERVICIOS */
  .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
    gap: 1.5rem;
  }
  
  .service-card {
    background: var(--dark-light);
    padding: 2rem;
    border-radius: var(--radius);
  }
  
  /* PASOS */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px,1fr));
    gap: 1rem;
    text-align: center;
  }
  
  /* BENEFICIOS */
  .benefits ul {
    list-style: none;
    max-width: 500px;
    margin: auto;
  }
  
  .benefits li {
    margin: 0.5rem 0;
  }
  
  /* TESTIMONIO */
  .testimonial {
    background: var(--dark-light);
    text-align: center;
    border-radius: var(--radius);
  }
  
  .testimonial blockquote {
    font-style: italic;
    margin-bottom: 1rem;
  }
  
  /* CTA */
  .cta {
    text-align: center;
  }
  
  /* CONTACTO */
  .contact form {
    display: grid;
    gap: 1rem;
    max-width: 400px;
    margin: auto;
  }
  
  .contact input,
  .contact button {
    padding: 0.8rem;
    border-radius: var(--radius);
    border: none;
  }
  
  .contact button {
    background: var(--accent);
    font-weight: bold;
    cursor: pointer;
  }
  
  /* FOOTER */
  footer {
    background: #020617;
    text-align: center;
    padding: 1rem;
    font-size: 0.9rem;
    color: var(--muted);
  }
  /* ====== GOOGLE FONTS ====== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500&family=Poppins:wght@600;700&display=swap');

/* ====== IDENTIDAD VISUAL ====== */
:root {
  --bg-main: #0b1220;
  --bg-card: #141c2f;
  --accent: #00e5ff;
  --accent-soft: #00bcd4;
  --text-main: #f8fafc;
  --text-muted: #9ca3af;
  --border: #1f2a44;
}

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

/* ====== BASE ====== */
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  padding-top: 80px; /* espacio para navbar fijo */
}

h1, h2, h3 {
  font-family: 'Poppins', sans-serif;
  letter-spacing: -0.5px;
}

/* ====== NAVBAR ====== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(11,18,32,0.9);
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}

/* LOGO */
.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
}

.logo span {
  color: var(--accent);
}

/* NAV LINKS */
.navbar nav a {
  color: var(--text-muted);
  margin-left: 1.5rem;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.navbar nav a:hover {
  color: var(--text-main);
}

/* BOTÓN NAV */
.nav-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  color: #000;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-weight: 600;
}

/* ====== BOTONES GLOBALES ====== */
.btn {
  padding: 0.9rem 1.8rem;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  color: #000;
}

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0,229,255,0.25);
}

/* ====== CARDS ====== */
.card {
  background: var(--bg-card);
  border-radius: 14px;
  padding: 2rem;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
}

/* ====== TEXTO ====== */
.text-muted {
  color: var(--text-muted);
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 1rem;
  }

  .navbar nav a {
    margin-left: 0;
  }
}