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

html, body {

  font-family: Arial, sans-serif;
  color: #fff;
  background: linear-gradient(321deg, rgba(0, 17, 47, 1) 0%, rgba(20, 100, 246, 1) 100%);
}

/* --- HEADER UNIFICADO CON INDEX --- */
header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(10, 14, 30, 0.85);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  width: 100%;
}

.contener {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  gap: 1rem;
}

.logo {
  width: 5rem;
  height: auto;
}

/* --- NAV --- */
.cont_text_nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.texto_nav {
  color: #EAF0FF;
  font-weight: 600;
  text-decoration: none;
  font-size: 1rem;
  transition: color 0.3s;
}

.texto_nav:hover {
  color: #1464F6;
}

.boton_nav {
  padding: 0.5rem 1rem;
  background: #29323D;
  color: #fff;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease;
  margin-left: 20px;
}

.boton_nav:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

/* --- CUERPO DEL BUSCADOR --- */
.container {
  background-color: rgba(20, 100, 246, 0.9);
  color: white;
  text-align: center;
  margin: 3rem auto;
  padding: 2rem;
  border-radius: 1rem;
  max-width: 900px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.container h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

label {
  display: block;
  font-size: 1rem;
  margin-top: 10px;
  font-weight: bold;
  text-align: left;
  color: #EAF0FF;
}

.form-select,
.buscador {
  border-radius: 10px;
  background-color: #29323D;
  color: white;
  border: 1px solid #7C4DFF;
  font-size: 1rem;
  padding: 10px;
  width: 100%;
  margin-top: 10px;
}

/* Botones dentro del formulario */
.btn-buscar {
  background: #1464F6;
  border: none;
  color: white;
  font-weight: bold;
  padding: 10px 20px;
  border-radius: 8px;
  margin-top: 20px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.btn-buscar:hover {
  background: #0f52c7;
}

.logo-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid #00bfff;
}

.avatar-logo {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.link{
  text-decoration: none;
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
  .cont_text_nav {
    display: none;
  }

  .container {
    margin: 2rem 1rem;
    padding: 1.5rem;
  }

  .container h3 {
    font-size: 1.4rem;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 1rem;
  }

  label {
    font-size: 0.9rem;
  }

  .form-select,
  .buscador {
    font-size: 0.9rem;
    padding: 8px;
  }

  .btn-buscar {
    font-size: 0.9rem;
    padding: 8px 14px;
  }
}

@media (max-width: 420px) {
  .container h3 {
    font-size: 1.2rem;
  }

  .container {
    margin: 1rem 0.5rem;
  }

  .logo {
    width: 4rem;
  }
}