/* RESET BASE */
html {
  box-sizing: border-box;
  -webkit-text-size-adjust: 100%;
  word-break: normal;
  -moz-tab-size: 4;
  tab-size: 4;
}

*,
*::before,
*::after {
  box-sizing: inherit;
  background-repeat: no-repeat;
}

* {
  margin: 0;
  padding: 0;
  /* ⚠️ Mejor evitar transition global */
  /* transition: .2s; */
}

/* ELEMENTOS BASE */
body {
  height: 100%;
  font-family: "Poppins", sans-serif;
}

main {
  display: block;
}

img {
  max-width: 100%;
  height: auto;
  border-style: none;
}

/* TIPOGRAFÍA */
h1, h2, h3, h4 {
  color: white;
  text-align: center;
}

h1 {
  width: 80%;
  margin: 0 auto;
  font-size: 52px;
  line-height: 1.2;
}

h1 span {
  font-weight: 700;
}

h2 {
  width: 60%;
  margin: 0 auto;
  font-size: 28px;
  line-height: 1.4;
}

h3 {
  font-size: 40px;
}

h4 {
  font-size: 18px;
}

h4 a {
  color: white;
  text-decoration: underline;
}

/* LINKS */
a {
  background-color: transparent;
  text-decoration: none;
}

/* CONTENEDOR PRINCIPAL */
.mantencion {
  background-color: #0c3c8e;
  min-height: 100vh; /* 🔥 mejor que height:100% */
  width: 100%;
}

.mantencion .logo {
  width: 150px;
  margin: 50px auto;
}

.mantencion .container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 60px;
  padding: 2rem;
}

/* RESPONSIVE */
@media (max-width: 640px) {

  h1 {
    font-size: 32px;
    width: 100%;
  }

  h2 {
    font-size: 20px;
    width: 100%;
  }

  h3 {
    font-size: 28px;
  }

  .mantencion .container {
    gap: 40px;
  }
}