@import url("https://fonts.googleapis.com/css?family=Poppins:400,700&display=swap");

html {
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

body {
  font-family: "Poppins", sans-serif;
  margin: 0;
  padding: 0;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow: visible;
}

nav {
  background-color: #faf0d7;
  padding: 1em 2em;
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav ul {
  display: flex;
  gap: 2rem;
  margin-left: auto;
  flex-wrap: wrap;
}

nav li {
  list-style-type: none;
}

nav img {
  display: flex;
  align-items: center;
}

nav a {
  font-size: 1.125rem;
  font-weight: 400;
  text-decoration: none;
  color: black;
}

nav a:hover {
  font-weight: bold;
}

main {
  padding: 2.1875rem;
  margin: 0 1.25rem;
  display: flex;
  gap: 1.5rem;
  margin: 0 auto;
  padding: 1em;
}
aside {
  flex: 1;
  margin-top: 25px;
  margin-bottom: 25px;
}

footer {
  padding: 1.25rem;
  color: #fff;
  background-color: #113946;
}

footer > p {
  text-align: center;
}

h2 {
  color: #113946;
}

h3 {
  color: #113946;
}

article img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

th,
td {
  border: 1px solid #ddd;
  padding: 8px;
  text-align: left;
}

#content {
  flex: 5;
  display: flex;
  flex-flow: column nowrap;
  gap: 1rem 2rem;
}

#content-contact {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh; /* adjust this value as needed */
}

.contact {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

form {
  background: #f9f9f9;
  padding: 20px;
  border-radius: 8px;
  width: 100%;
  max-width: 500px; /* adjust this value as needed */
}

form label {
  font-weight: bold;
  display: block;
  margin-bottom: 5px;
}

form input[type="text"],
form input[type="email"],
form textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

form input[type="submit"] {
  background: #113946;
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
}

form input[type="submit"]:hover {
  background: #0a2c38;
}

#hamburger-menu {
  display: none;
  font-size: 30px;
  background-color: transparent;
  border: none;
  cursor: pointer;
}

#btnTop {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 99;
  border: none;
  outline: none;
  background-color: #113946;
  color: white;
  cursor: pointer;
  padding: 15px;
  border-radius: 10px;
  font-size: 18px;
}

#btnTop:hover {
  background-color: #555;
}

#introduction,
#list,
#biography {
  margin: 20px;
  padding: 20px;
  background-color: #f9f9f9;
  border-radius: 5px;
}

#introduction h2,
#biography h2 {
  color: #333;
  font-size: 24px;
}

#introduction p,
#biography p {
  color: #666;
  font-size: 16px;
  line-height: 1.5;
}

.profile header {
  text-align: center;
}

.featured-image {
  width: 100%;
  max-height: 18.75rem;
  object-fit: cover;
  object-position: center;
}

.profile img {
  width: 12.5rem;
}

.card {
  box-shadow: 0 0.125rem 0.5rem 0.125rem rgba(0, 0, 0, 0.2);
  border-radius: 0.3125rem;
  padding: 1.25rem;
}

.sticky {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
}

/* Dark Mode */

body.dark-theme {
  background-color: #333;
  color: #fff;
  transition: background-color 0.3s ease, color 0.3s ease;
}

body.dark-theme nav {
  background-color: #444;
}

body.dark-theme a {
  color: #ddd;
}

body.dark-theme footer {
  background-color: #222;
}

body.dark-theme h2,
body.dark-theme h3 {
  color: #ddd;
}

body.dark-theme .card {
  background-color: #444;
  color: #ddd;
}

body.dark-theme form {
  background: #444;
}

body.dark-theme #list {
  background: #444;
}

/* Light and Dark Mode Button */
.btn-toggle {
  background-color: transparent;
  border: none;
  border-radius: 50%;
  width: 2.5em;
  height: 2.5em;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: transform 0.3s ease;
  margin: auto 0;
}

.btn-toggle:hover {
  transform: scale(1.1);
  background-color: #ddd;
}

.btn-toggle i {
  color: #333;
  transition: color 0.3s ease;
}

.btn-toggle:hover i {
  color: #000;
}

body.dark-theme .btn-toggle {
  background-color: #444;
}

body.dark-theme .btn-toggle i {
  color: #ddd;
}

body.dark-theme .btn-toggle:hover {
  background-color: #888;
}

body.dark-theme .btn-toggle:hover i {
  color: #fff;
}

/* Card */

.card {
  border: 1px solid #ddd;
  border-radius: 5px;
  padding: 15px;
  margin: 15px;
}

.card-title {
  font-size: 1.5em;
  font-weight: bold;
}

.card-description {
  font-size: 1em;
}

.cards-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

/* Photo grid */

.gallery-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.photo-grid-container {
  max-width: 100%;
  overflow: auto;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.photo-grid img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 1 / 1;
  display: block;
  margin: auto;
}

/* Responsive */

@media screen and (max-width: 480px) {
  .photo-grid {
    grid-template-columns: repeat(1, 1fr);
  }
}

@media (max-width: 600px) {
  .photo-grid {
    grid-template-columns: repeat(1, 1fr);
  }

  .cards-container {
    flex-direction: column;
  }
}

@media (min-width: 601px) and (max-width: 900px) {
  .cards-container {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (min-width: 901px) {
  .cards-container {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media screen and (max-width: 1200px) {
  main {
    flex-flow: column nowrap;
  }
}

@media screen and (max-width: 768px) {
  main aside {
    align-self: stretch;
    margin-top: 0px;
  }

  #hamburger-menu {
    display: block;
  }

  nav ul {
    position: absolute;
    right: 0;
    top: 73%;
    background-color: inherit;
    width: 50%;
    max-height: 0;
    overflow: hidden;
    flex-direction: column;
  }

  nav ul li {
    display: block;
  }

  nav ul.active {
    padding: 25px;
    max-height: 100vh;
  }

  .photo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}