@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600;700&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;700&display=swap");

:root {
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --bg-card: #252525;
  --accent-primary: #bb86fc;
  --accent-secondary: #03dac6;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --border-color: #333333;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: "Roboto", sans-serif;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  background-color: var(--bg-secondary);
  padding: 2rem 0;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.logo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--bg-primary);
}

.title-container {
  text-align: left;
}

.axolotl-title {
  font-family: "Montserrat", sans-serif;
  font-size: 2.5rem;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.axolotl-subtitle {
  font-family: "Montserrat", sans-serif;
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-weight: 300;
}

nav {
  background-color: var(--bg-secondary);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav ul {
  display: flex;
  list-style-type: none;
  justify-content: center;
}

nav ul li {
  border-right: 1px solid var(--border-color);
}

nav ul li:first-child {
  border-left: 1px solid var(--border-color);
}

nav ul li a {
  display: block;
  text-decoration: none;
  color: var(--text-primary);
  padding: 1rem 1.5rem;
  transition: all 0.3s ease;
}

nav ul li a:hover {
  background-color: var(--accent-primary);
  color: var(--bg-primary);
}

#columnHolder {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 2rem 0;
}

article {
  flex: 1;
  min-width: 300px;
  background-color: var(--bg-card);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

article:hover {
  transform: translateY(-5px);
}

article h2 {
  color: var(--accent-primary);
  margin-bottom: 1rem;
  font-family: "Montserrat", sans-serif;
  border-bottom: 2px solid var(--accent-secondary);
  padding-bottom: 0.5rem;
}

article p {
  margin-bottom: 1rem;
}

article ul {
  list-style-position: inside;
  margin-bottom: 1rem;
}

.img-container {
  width: 100%;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.schema,
.visualization {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.schema {
  width: 90%;
  min-height: 250px;
  max-height: 350px;
  object-fit: contain;
}

.visualization {
  width: 90%;
  min-height: 250px;
  max-height: 350px;
  object-fit: contain;
}

#sectionContent {
  background-color: var(--bg-card);
  padding: 2rem;
  margin-bottom: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

#sectionContent h3 {
  color: var(--accent-secondary);
  margin-bottom: 1rem;
  font-family: "Montserrat", sans-serif;
}

aside {
  background-color: var(--bg-card);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
}

aside h3 {
  color: var(--accent-secondary);
  margin-bottom: 1rem;
  font-family: "Montserrat", sans-serif;
}

footer {
  background-color: var(--bg-secondary);
  padding: 2rem 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

footer p {
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

footer a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

footer a:hover {
  color: var(--accent-secondary);
}

.logo-img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
}

.section-header {
  width: 100%;
  margin-bottom: 1.5rem;
  padding: 1rem 0;
  border-bottom: 2px solid var(--accent-secondary);
}

.section-title {
  font-size: 2rem;
  color: var(--accent-primary);
  font-family: "Montserrat", sans-serif;
  text-align: center;
}


@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
  }

  nav ul li {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  nav ul li:first-child {
    border-left: none;
  }

  #columnHolder {
    flex-direction: column;
  }
}