:root {
  --max: 1200px;
  --gap: 1.25rem;
  --brand: #0a5;
}

/* ====== ESTILOS BASE ====== */
* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  color: #111;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  background: #fff;
  border-bottom: 1px solid #e6e6e6;
  position: sticky;
  top: 0;
  z-index: 1000;
}

header .container {
  max-width: none;
  width: 100%;
  margin: 0;
  padding: 10px 5px;
  /* reduce el espacio lateral */
  display: flex;
  align-items: center;
  justify-content: space-between;
}


/* Contenedor flexible */
.header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 5px;
  flex-wrap: wrap;
  /* Esto permite que los elementos se acomoden sin superponerse */
  max-width: 100%;
  width: 100%;
}

/* Logo */
.logo img {
  height: 45px;
  /* ajusta según el tamaño que quieras */
  width: auto;
  display: block;
  object-fit: contain;
}

.brand {
  font-weight: 600;
  text-decoration: none;
  color: inherit;
}

/* Navegación */
#nav {
  display: flex;
  justify-content: flex-end;
  /* alinea los enlaces a la derecha */
  flex: 1;
  /* ocupa el espacio restante */
  text-align: right;
  /* display: block; */
}

#nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 2rem;
  /* espacio entre enlaces */
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
}

#nav a {
  text-decoration: none;
  color: #111;
  font-weight: 500;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  transition: color 0.3s;
}

.resaltado {
  font-weight: bold !important;
  border: 1px solid #333;
  border-radius: 3px !important;
  text-decoration: none;
  /* Quitar subrayado */
  color: #333;
  transition: background 0.3s, color 0.3s;
  padding: 7px 10px;
}

/* Hover o enlace activo */
#nav a:hover,
#nav a.active {
  color: #40435a
    /* naranja de acento */
}

/* Línea inferior en hover o activo */
#nav a.active::after,
#nav a:hover::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: #40435a;
}

/* Botón menú móvil */
#nav-toggle {
  display: none;
  background: none;
  border: 0;
  font-size: 1.5rem;
  cursor: pointer;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
  header .container {
    justify-content: space-between;
  }

  #nav-toggle {
    display: block;
  }

  #nav {
    display: none;
    width: 100%;
  }

  /* Cuando se active (ej. con JS) */
  #nav.active {
    display: block;
  }

  #nav ul {
    background: rgba(255, 255, 255, 0.295);
    /* deja ver el contenido detrás */
    height: auto;
    /* solo ocupa lo que necesita */
  }

  #nav a {
    display: block;
    padding: 0.5rem 0;
  }

  #nav.open {
    display: block;
  }

  .hero-title {
    font-size: 2rem;
  }

}

.pagina-ficticia {
  background-color: #fadd5d;
  padding: 5px;
  text-align: center;
}

/* ===== HERO PARALLAX BLOG ===== */
.blog-hero {
  position: relative;
  width: 100%;
  height: 70vh;
  background-image: url('portafolio.jpg');
  /* cambia esta imagen */
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
}

.blog-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1;
}

.blog-hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 20px;
  margin: 0;
}

.blog-hero-content h1 {
  font-size: 2em;
  margin-block-start: 0.83em;
  margin-block-end: 0.83em;
  margin-inline-start: 0px;
  margin-inline-end: 0px;
  font-weight: bold;
  unicode-bidi: isolate;
}

.blog-hero-content p {
  display: block;
  margin-block-start: 1em;
  margin-block-end: 1em;
  margin-inline-start: 0px;
  margin-inline-end: 0px;
  unicode-bidi: isolate;
}

/* Responsive */
@media (max-width: 768px) {
  .blog-hero {
    height: 50vh;
    background-attachment: scroll;
  }

  .blog-hero-content h1 {
    font-size: 2rem;
  }

  .blog-hero-content p {

    font-size: 14px;
    font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    font-weight: 400;
    color: #222;
    line-height: 1.8;
    /* mejora la legibilidad */

  }
}

/* ====== CONTENIDO PRINCIPAL ====== */
main {
  max-width: var(--max-width);
  margin: 3px auto;
  padding: 2rem 1.5rem;
  /*arriba-abajo y derecha-izquierda*/
}

section {
  margin-bottom: 4rem;
}

h2 {
  color: var(--color-principal);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.intro {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 4rem;
}

.intro p {
  font-size: 0.95em;
  color: #444;
}

/* p {
      font-size: 0.95em;
    } */

/* ====== IMAGEN DESTACADA (BODY) ====== */
.featured-image {
  width: 75%;
  max-width: var(--max-width);
  margin: 5rem auto 4rem auto;
  /* separada del hero */
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.featured-image img {
  width: 100%;
  display: block;
  height: auto;
  transition: transform 0.5s ease;
}

.featured-image img:hover {
  transform: scale(1.03);
}

/* ====== BLOQUES DE DETALLE ====== */
.details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.detail {
  background: #fff;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.detail:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.detail h3 {
  color: #222;
  margin-top: 0;
  font-style: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  ;
}

.detail p {
  color: #555;
  font-size: 1rem;
  font-style: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  ;
}

p {
  text-align: justify;
}

/* ====== CITA INSPIRADORA ====== */
blockquote {
  font-style: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #555;
  border-left: 4px solid var(--color-principal);
  padding-left: 1.2rem;
  margin: 5rem 0;
  background: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

blockquote::before {
  content: "“";
  font-size: 3rem;
  color: var(--color-principal);
  line-height: 0;
  vertical-align: middle;
  margin-right: 5px;
}

/* ====== CTA FINAL ====== */
.cta {
  text-align: center;
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 1px solid #ddd;
}

.cta h2 {
  margin-bottom: 1rem;
}

.cta p {
  font-size: 1rem;
  color: #444;
  max-width: 700px;
  margin: 0 auto 2rem;
}

.btn {
  display: inline-block;
  background: var(--color-principal);
  color: #fff;
  text-decoration: none;
  padding: 0.9rem 2rem;
  border-radius: 5px;
  font-weight: 600;
  transition: background 0.3s;
}

.btn:hover {
  background: #005f5f;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.3rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .intro p {
    font-size: 1rem;
  }

  .featured-image {
    margin: 3rem auto;
  }
}

/*boton subir arriba*/
#backToTop {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: #111;
  color: white;
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 1.2rem;
  cursor: pointer;
  display: none;
  transition: 0.3s ease;
  z-index: 999;
}
#backToTop:hover {
  background: #444;
}


@media (max-width: 768px) {
  .bloques-texto {
    grid-template-columns: 1fr;
  }
}

footer {
  background-color: #f7f7f7;
  /* fondo claro elegante */
  color: #333;
  /* texto gris oscuro */
  font-family: "Poppins", sans-serif;
  padding: 40px 20px 20px 20px;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 30px;
  max-width: var(--max);
  margin: 0 auto;
}

.footer-brand h2 {
  margin: 0 0 10px 0;
  font-size: 1.8rem;
  color: #222;
}

.footer-brand p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: #555;
}

.footer-links,
.footer-contact,
.footer-social {
  display: flex;
  flex-direction: column;
}

.footer-links h3,
.footer-contact h3,
.footer-social h3 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: #222;
}

.footer-links a,
.footer-contact p {
  color: #555;
  text-decoration: none;
  margin-bottom: 6px;
  font-size: 0.9rem;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: #0a5;
  /* color sutil para hover */
}

.footer-social a {
  font-size: 1.2rem;
  color: #555;
  margin-right: 10px;
  transition: color 0.3s, transform 0.3s;
}

.footer-social a:hover {
  color: #0a5;
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #ddd;
  font-size: 0.85rem;
  color: #777;
}

/* Responsive: adapta columnas en móviles */
@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }

  .footer-links,
  .footer-contact,
  .footer-social {
    align-items: center;
    text-align: center;
  }

  .footer-social a {
    margin: 0 8px;
  }
}


/* Responsive */
@media (max-width: 800px) {
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 30px;
  }

  .footer-links,
  .footer-contact,
  .footer-social {
    align-items: center;
  }

  .footer-social a {
    margin: 0 10px;
  }
}


@media (max-width: 800px) {
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }

  .footer-nav a {
    display: inline-block;
    margin: 0 10px;
  }

  .footer-social a {
    margin: 0 8px;
  }
}