html {
    scroll-behavior: smooth;
}
body{
    background: linear-gradient(to bottom, rgba(110, 199, 196, 0.674),rgba(147, 146, 146, 0.384));
    font-family: Arial, Helvetica, sans-serif;
    margin: 0 10px;
    padding: 0;
    height: auto;
}
#topo {
    display: block;
    margin: 0;
    gap: 20px;
    text-align: center;
}
h1{
    margin: 0;
    padding: 0;
}
#menu-principal{
      display: fixed;
      font-size: small;
      top: -10;
      left: 0;
      width: 100%;
      text-align: left;
      z-index: 1000;
    }
a  {
    display: flex;
    height: 70px;
    width: 150px;
    color: white;
    text-align: center;
    line-height: 50px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 8px;
    transition: transform 0.3s, background-color 0.3s;
    align-items: center;
    
}
a:hover{
    display: inline-block;  
    transform: scale(1.1);
    background: linear-gradient(90deg, #f2efef, #2f7ff6);
    text-align: center;
}
li{
    list-style: none;
    text-decoration: none;
    display: inline-block;
    margin: 0 20px;
    padding: 20px;
    font-weight: bold;
}
#pioneiros{
    text-align: center;
}
summary{
    display: inline-block;
    padding: 10px 28px;
    background-color: 007BFF;
    align-items: center;
    color: rgb(15, 48, 214);
    border-radius: 5px;
    transition: backgrond-color 0.3s;
}
summary:hover{
    background-color: #569fac;
}
.summary{
    background-color: #1100ff;
}
h2 {
  font-family: 'Poppins', sans-serif;
  font-weight: bold;
  text-align: center;
  font-size: 36px;
  background: linear-gradient(90deg, #000000, #2f7ff6); 
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.4); 
  letter-spacing: 3px;
  margin: 30px 0;
  animation: brilhoH2 4s infinite alternate;
}
h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  text-align: center;
  font-size: 20px;
  background: linear-gradient(90deg, #4e4e4e, #515251);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 1px 1px 5px rgba(63, 64, 65, 0.4); 
  margin: 20px 0;
  animation: brilhoH3 5s infinite alternate;
}

p {
  text-align: center;
  font-style: italic;
  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
  color: #414141;
  font-size: 16px;
  padding: 5px;
  border-radius: 4px;
}
blockquote {
  font-family: 'Georgia', serif;
  border-radius: 6px;
  font-size: 18px;
  font-style: italic;
  color: #000000; 
  background-color: #89c3cb;
  border-left: 6px solid #000000; 
  padding: 15px 20px;
  margin: 20px 0;
  line-height: 1.6;
  position: relative;
}
h4 {
    text-align: center;
  font-family: 'Courier New', monospace; 
  font-size: 22px;
  font-weight: bold;
  color: #333;
  background: linear-gradient(90deg, #000000, #0026ff); 
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 1px 1px 4px rgba(0,0,0,0.3); 
  border-bottom: 2px dashed #000000; 
  margin: 15px 0;
  letter-spacing: 1px;
  animation: glitch 2s infinite;
}
figcaption {
  font-family: 'Roboto', sans-serif;
  font-size: 14px;
  color: #333333; 
  text-align: center;
  margin-top: 8px;
  padding: 6px 10px;
  border-radius: 4px;
  font-style: italic; 
}
pre {
  font-family: 'Roboto', sans-serif;
  text-align: center;
  font-size: 15px;
  color: #000000;
  background: #89c3cb; 
  border-left: 4px solid #000000; 
  padding: 12px 16px;
  margin: 15px 0;
  border-radius: 6px;
  box-shadow: 2px 2px 6px rgba(0,0,0,0.1);
}

ul{
    text-align: center;
    font-style: italic;
    font-family: sans-serif;
    color: rgb(59, 59, 59);   
}
code{
    font-size: 24px;
    font-weight: bold;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  text-align: center;
  background: linear-gradient(white, rgba(157, 252, 239, 0.818));
  box-shadow: 0 4px 8px rgba(0,0,0,0.1); 
}

thead {
  background: linear-gradient(90deg, #7c4dff, #00bcd4); 
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 1px;
}

th, td {
  padding: 12px 15px;
  border: 1px solid #ddd;
}
tbody tr:hover {
  background-color: #e0f7fa; 
  transform: scale(1.01);
  transition: 0.3s;
}
#linha-do-tempo {
  max-width: 600px;
  margin: 40px auto;
  padding: 20px;
  position: relative;
}

#linha-do-tempo h2 {
  text-align: center;
  font-family: 'Poppins', sans-serif;
  font-size: 28px;
  margin-bottom: 30px;
  background: linear-gradient(90deg, #003cff, #00bcd4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

#linha-do-tempo ol {
  list-style: none;
  padding: 0;
  position: relative;
}

#linha-do-tempo ol::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 4px;
  background: #003cff; 
}

#linha-do-tempo li {
  position: relative;
  margin: 20px 0;
  padding: 10px 20px 10px 50px;
  background: #f0f0f0;
  border-radius: 8px;
  box-shadow: 2px 2px 6px rgba(0,0,0,0.2);
  transition: transform 0.3s;
}

#linha-do-tempo li:hover {
  transform: scale(1.03);
}

#linha-do-tempo li::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background: #ff9800; 
  border-radius: 50%;
  border: 3px solid #0026ff;
}
h1 {
  font-family: 'Poppins', sans-serif;
  font-size: 42px;
  font-weight: bold;
  text-align: center;
  margin: 30px 0;
  background: linear-gradient(90deg, #000000, #0026ff); 
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 2px 2px 8px rgba(0,0,0,0.3); 
  letter-spacing: 3px;
  animation: brilhoH1 4s infinite alternate;
}

nav {
  display: contents;
  padding: 10px 0;
  align-items: center;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 15px;
  margin: 0;
  padding: 0;
}

nav ul li {
  margin: 0;
}

nav ul li a {
  display: inline-block;
  padding: 10px 18px;
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  font-weight: bold;
  text-decoration: none;
  color: #3c3c3c;
  background: linear-gradient(90deg, #ffffff, #71c1d5); 
  border-radius: 6px;
  transition: all 0.3s ease;
  box-shadow: 2px 2px 6px rgba(0,0,0,0.3);
}


form {
  background: #f5f5f5; 
  padding: 20px;
  border-radius: 8px;
  box-shadow: 2px 2px 8px rgba(0,0,0,0.2);
  margin: 20px 0;
}

fieldset {
  border: 2px solid #0008ff; 
  border-radius: 6px;
  padding: 15px;
}

legend {
  font-family: 'Poppins', sans-serif;
  font-weight: bold;
  color: #0026ff;
  padding: 0 8px;
}

label {
  display: block;
  margin: 10px 0 5px;
  font-weight: 600;
  color: #333;
}

input, select, textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-family: 'Roboto', sans-serif;
  transition: border-color 0.3s;
}

input:focus, select:focus, textarea:focus {
  border-color: #003cff;
  outline: none;
}

input[type="submit"] {
  background: linear-gradient(90deg, #001aff, #00bcd4);
  color: #fff;
  font-weight: bold;
  border: none;
  cursor: pointer;
  transition: transform 0.3s, background 0.3s;
}

input[type="submit"]:hover {
  transform: scale(1.05);
  background: linear-gradient(90deg, #000000, #0004ff);
}


footer {
  background: #2c2c2c;
  color: #ddd;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
}

footer p {
  margin: 5px 0;
  font-size: 14px;
}

footer address {
  font-style: normal;
  color: #00bcd4;
  font-weight: bold;
}
#internet{
  background-color: white;
  border-radius: 20px;
}
article{
  text-align: center;
}
section{
  background-color: white;
  height: 1%;
  border-radius: 20px;
}