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

body {
  font-family: 'DM Sans', sans-serif;
  background: #fff;
  color: #1A1A1A;
}

/* NAV */

.navbar {
  padding: 20px 30px;
}

.nav-container {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: flex-end;
}

.nav-menu {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-menu a {
  text-decoration: none;
  color: #777;
}

/* LOGO */

.logo {
  text-align: center;
  margin: 20px 0px 0px 0px;
}

.logo img {
  width: 400px;
}

/* CONTENIDO */

.post {
  max-width: 700px;
  margin: 0 auto;
  padding: 40px 20px;
}

.post h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.intro {
  color: #777;
  margin-bottom: 30px;
}

.contenido h2 {
  margin-top: 25px;
  margin-bottom: 8px;
  font-size: 1.2rem;
  margin-bottom: 15px;
}

.contenido p {
  color: #555;
  line-height: 1.6;
  margin-bottom: 55px;
}

.post-nav-top {
  max-width: 700px;
  margin: 0px auto 0px ;
  

  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* BOTONES */

.post-nav-top a {
  width: 40px;
  height: 40px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 50%;
  text-decoration: none;

  font-size: 1.2rem;
  color: #555;

  background: #f5f5f5;

  transition: all 0.25s ease;
}

/* hover elegante */

.post-nav-top a:hover {
  background: #FF9E8C;
  color: white;
  transform: translateY(-2px);
}

/* estado inicial */

.post h1,
.post .intro,
.post .contenido {
  opacity: 0;
  transform: translateY(20px);
}

/* animaciones */

.post h1 {
  animation: fadeUp 1s ease forwards;
  animation-delay: 0.1s;
}

.post .intro {
  animation: fadeUp 1s ease forwards;
  animation-delay: 0.3s;
}

.post .contenido {
  animation: fadeUp 1s ease forwards;
  animation-delay: 0.5s;
}

/* keyframe */

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* =========================
   📱 MOBILE POST PAGE
========================= */

@media (max-width: 768px) {

  /* NAV */
  .nav-container {
    justify-content: center;
  }

  .nav-menu {
    gap: 16px;
  }

  .nav-menu a {
    font-size: 0.95rem;
  }

  /* LOGO */
  .logo {
    margin: 10px 0 10px 0;
  }

  .logo img {
    width: 100%;
    max-width: 220px;
  }

  /* CONTENIDO */
  .post {
    padding: 20px 16px;
  }

  /* TÍTULO */
  .post h1 {
    font-size: 1.6rem;
  }

  /* INTRO */
  .intro {
    font-size: 0.95rem;
  }

  /* SECCIONES */
  .contenido h2 {
    font-size: 1.1rem;
    margin-top: 20px;
  }

  .contenido p {
    font-size: 0.95rem;
    margin-bottom: 30px;
  }

  /* BOTONES ARRIBA */
  .post-nav-top {
    padding: 0 16px;
    margin-bottom: 10px;
  }

  .post-nav-top a {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

}