:root {
  --primary-color: #fff;
  --secondary-color: #000;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background-color: var(--primary-color);
  color: var(--secondary-color);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

header,
footer {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 10px 0;
}

header {
  justify-content: flex-end;
}

nav ul {
  list-style: none;
  display: flex;
  flex-direction: row;
  position: absolute;
  right: 12px;
  top: 12px;
}

nav a {
  margin: 0 10px;
  font-size: 1.5em;
  padding: 10px;
  text-decoration: underline;
}

#about {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 20px;
  min-height: 100vh;
}

#about h1,
#about p {
  margin: 18px 0;
  align-self: flex-start;
}

#about h1 {
  font-size: 12rem;
}

#about p {
  font-size: 6rem;
}

#about a {
  border-radius: 50px;
  font-size: 1.5rem;
  font-weight: 700;
  transition: transform 0.2s, background-color 0.2s;
  padding: 1.5em 3em;
  text-decoration: none;
  background-color: var(--secondary-color);
  color: var(--primary-color);
  border: 2px solid var(--secondary-color);
  position: absolute;
  bottom: 23px;
  right: 23px;
}

#about a:hover {
  transform: scale(1.05);
  background-color: var(--primary-color);
  color: var(--secondary-color);
}

#projects,
#contact {
  padding: 0 20px;
  text-align: center;
}

#projects h1,
#contact h1 {
  font-size: 2.5rem;
  text-decoration: underline;
  margin: 20px 0;
}

#projects h3 {
  font-size: 2rem;
  margin: 2.5rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.project-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border: 1px solid var(--secondary-color);
  padding: 20px;
  border-radius: 8px;
  text-align: center;
}

.project-link {
  display: block;
  margin: 10px 0;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 5px;
  transition: background-color 0.3s, color 0.3s;
  border: 2px solid var(--secondary-color);
  color: var(--primary-color);
  background-color: var(--secondary-color);
  width: 100%;
}

.project-link:hover {
  background-color: var(--primary-color);
  color: var(--secondary-color);
}

.contact-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  margin: 10px 0;
  text-decoration: none;
  font-size: 1.5rem;
}

@media (max-width: 1024px) {
  #about h1 {
    font-size: 8rem;
  }

  #about p {
    font-size: 4rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .contact-item {
    font-size: 1.2rem;
  }
}

@media (max-width: 768px) {
  header {
    justify-content: center;
  }

  nav ul {
    text-align: center;
  }

  nav a {
    font-size: 1.2rem;
    padding: 5px;
  }

  #about h1 {
    font-size: 6rem;
  }

  #about p {
    font-size: 3rem;
  }

  #projects h1,
  #contact h1 {
    font-size: 2rem;
  }

  #projects h3 {
    font-size: 1.5rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-item {
    padding: 15px;
  }

  .contact-item {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  nav a {
    font-size: 1rem;
    padding: 5px;
  }

  #about h1 {
    font-size: 4rem;
  }

  #about p {
    font-size: 2rem;
  }

  #about a {
    padding: 1em 2em;
    font-size: 1.2rem;
  }

  .projects-grid {
    gap: 10px;
  }

  .project-item {
    padding: 10px;
  }

  .contact-item {
    font-size: 0.9rem;
  }
}