body {
  background:  var(--navy);
  color:       var(--white);
  font-family: var(--font-body);
  font-size:   16px;
  line-height: 1.7;
  overflow-x:  hidden;
}

.container {
  max-width: var(--container);
  margin:    0 auto;
  padding:   0 2rem;
}

section { padding: var(--section-pad) 0; }

/* Cabecera de sección */
.section-label {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 3rem;
}
.section-label h2 {
  font-family: var(--font-display); font-size: 1.8rem;
  font-weight: 700; letter-spacing: -0.02em; white-space: nowrap;
}
.section-label::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}
.section-num {
  color: var(--blue); font-family: var(--font-display);
  font-size: 0.9rem; font-weight: 600; margin-right: -0.5rem;
}

/* Botones */
.btn {
  display: inline-block; padding: 0.7rem 1.6rem;
  border-radius: var(--radius-md); font-family: var(--font-display);
  font-weight: 600; font-size: 0.9rem; transition: all var(--transition);
}
.btn-primary { background: var(--blue); color: #fff; border: 2px solid var(--blue); }
.btn-primary:hover { background: #2563EB; border-color: #2563EB; }
.btn-ghost   { background: transparent; color: var(--blue); border: 2px solid var(--blue); }
.btn-ghost:hover { background: rgba(59,130,246,0.1); }

/* Fade-in al hacer scroll */
.fade-up {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

footer {
  text-align: center; padding: 2rem;
  color: var(--slate); font-size: 0.8rem;
  border-top: 1px solid var(--border);
}
footer span { color: var(--blue); }

@media (max-width: 480px) {
  :root { --section-pad: 4rem; }
  .container { padding: 0 1.25rem; }
}