Untitled

:root {
  --background-color: #f4f4f4;
  --text-color: #333333;
  --nav-background-color: #ffffff;
  --nav-text-color: #333333;
  --nav-border-color: #dddddd;
  --nav-hover-background-color: #e0e0e0;
  --nav-hover-text-color: #007bff;
  --footer-background-color: #222222;
  --footer-text-color: #f4f4f4;
}
:root {
  --bg-color: #fff;
  --text-color: #000;
}

[data-theme='dark'] {
  --bg-color: #121212;
  --text-color: #fff;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

main {
  flex: 1;
}

header {
  margin-top: 0;
  background-color: var(--background-color);
  padding: 1.5rem 2rem;
  text-align: center;
  box-shadow: 0 0.4rem 0.8rem rgba(0, 0, 0, 0.2);
}

nav ul {
  display: flex;
  background-color: var(--nav-background-color);
  color: var(--nav-text-color);
  padding: 1rem;
  list-style-type: none;
  justify-content: space-between;
  border-bottom: 0.4rem solid var(--nav-border-color);
}

nav ul li {
  text-align: center;
  margin: 0 1.5rem;
  padding: 1rem;
  border-radius: 0.5rem;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

nav ul li:hover {
  background-color: var(--nav-hover-background-color);
  transform: scale(1.1);
}

nav ul li a {
  text-decoration: none;
  color: var(--nav-text-color);
  font-size: 1.8rem;
  transition: color 0.3s ease;
}

nav ul li a:hover {
  color: var(--nav-hover-text-color);
}
.spinner {
  width: 50px;
  height: 50px;
  border: 5px solid transparent;
  border-top: 5px solid #3498db;
  border-right: 5px solid #e74c3c;
  border-bottom: 5px solid #f39c12;
  border-left: 5px solid #2ecc71;
  border-radius: 50%;
  animation: spin 1.5s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
h1 {
  font-size: 4vw;
  font-weight: bold;
  text-align: center;
  color: #2c3e50;
  background-color: #ecf0f1;
  padding: 2rem;
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  border-radius: 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}
h1:hover {
  color: #fff;
  background-color: #3498db;
  transform: scale(1.05);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}
.container{
  margin-top: 1rem;
  display: flex;
  justify-content: flex-start;
}
.card-wrapper{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  display: block;
  margin: 0 auto;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
img:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2);
}
img:active {
  transform: scale(0.95);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.card {
  border: 1px solid #ddd;
  border-radius: 0.5rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  background-color: #fff;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.card:hover {
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2);
  transform: translateY(-4px);
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.card-text {
  font-size: 1rem;
  color: #666;
}
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.25rem;
  text-align: center;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.btn:hover {
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2), 0 2px 4px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}
aside {
  background-color: #f4f4f4;
  border: 1px solid #ccc;
  padding: 20px;
  margin: 20px auto;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  max-width: 300px;
}

aside h2 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: #333;
}

aside p {
  font-size: 1rem;
  color: #666;
  line-height: 1.5;
}

aside ul {
  list-style-type: square;
  margin-left: 20px;
}

aside a {
  color: #007BFF;
  text-decoration: none;
}

aside a:hover {
  text-decoration: underline;
  color: #0056b3;
}

aside:hover {
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}
footer {
  margin-top: 3rem;
  background-color: var(--footer-background-color);
  width: 100%;
  box-shadow: 0 -0.4rem 0.8rem rgba(0, 0, 0, 0.1);
  text-align: center;
  padding: 1.5rem;
  position: relative;
  bottom: 0;
}

footer p {
  color: var(--footer-text-color);
  font-size: 1.6rem;
}