* {
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 20px;
  line-height: 1.6;
  background-color: #f5f5f5;
  color: #222;
}

/* HEADER */

header {
  background-color: #176b4d;
  color: white;
  padding: 25px;
  border-radius: 10px;
  margin-bottom: 15px;
}

header h1 {
  margin-top: 0;
  margin-bottom: 5px;
}

header p {
  margin-bottom: 0;
  text-align: left;
}


/* NAVIGATION - FLEXBOX */

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  background-color: white;
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 20px;
}

nav a {
  text-decoration: none;
  color: #176b4d;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}


/* MAIN - CSS GRID */

main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}


/* SECTION */

section {
  background-color: white;
  padding: 20px;
  border-radius: 10px;
  border: 1px solid #ddd;
}

section h2 {
  color: #176b4d;
  margin-top: 0;
}

#profile {
  grid-column: 1 / -1;
}


/* PARAGRAPH */

p {
  text-align: justify;
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 900px;
}

.story {
  text-align: justify;
  line-height: 1.8;
  max-width: 900px;
  margin-bottom: 20px;
}


/* IMAGE */

#profile img {
  display: block;
  width: 400px;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin-bottom: 20px;
}


/* LIST */

ul {
  padding-left: 25px;
}

li {
  margin-bottom: 8px;
}


/* TABLE */

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}

th,
td {
  border: 1px solid #999;
  padding: 10px;
  text-align: left;
}

th {
  background-color: #176b4d;
  color: white;
}


/* FORM */

form {
  max-width: 600px;
}

form label {
  display: block;
  margin-top: 15px;
  margin-bottom: 5px;
}

input,
textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #aaa;
  border-radius: 5px;
  font-family: Arial, sans-serif;
}

textarea {
  resize: vertical;
}

button {
  margin-top: 15px;
  padding: 10px 20px;
  background-color: #176b4d;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #0f4d37;
}


/* FOOTER */

footer {
  margin-top: 20px;
  background-color: #176b4d;
  color: white;
  padding: 15px;
  text-align: center;
  border-radius: 10px;
}

footer p {
  text-align: center;
  margin: 0;
}


/* RESPONSIVE - TABLET */

@media (max-width: 768px) {

  body {
    padding: 15px;
  }

  main {
    grid-template-columns: 1fr;
  }

  #profile {
    grid-column: auto;
  }

  header {
    padding: 20px;
  }

  nav {
    justify-content: center;
  }

  #profile img {
    width: 300px;
    margin-left: auto;
    margin-right: auto;
  }
}


/* RESPONSIVE - MOBILE */

@media (max-width: 480px) {

  body {
    padding: 10px;
  }

  header {
    padding: 15px;
  }

  header h1 {
    font-size: 24px;
  }

  nav {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  section {
    padding: 15px;
  }

  #profile img {
    width: 100%;
  }

  p,
  .story {
    text-align: left;
    line-height: 1.7;
  }

  table {
    font-size: 14px;
  }

  th,
  td {
    padding: 7px;
  }

  input,
  textarea {
    font-size: 16px;
  }
}