:root {
  --primary: #ff4500;
  --background: #121212;
  --foreground: #ffffff;
}

body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background-color: var(--background);
  color: var(--foreground);
  transition: background-color 0.5s ease, color 0.5s ease;
}

nav {
  position: sticky;
  top: 0;
  background: #121212;
  padding: 15px 0;
  text-align: center;
  z-index: 999;
}

nav a {
  margin: 0 20px;
  color: white;
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
}

nav a:hover {
  color: var(--primary);
}

header, section, footer {
  padding: 20px;
  max-width: 900px;
  margin: auto;
}

header.hero {
  text-align: center;
  padding: 100px 20px 60px;
}

h1, h2 {
  color: var(--primary);
}

.project-card {
  background: #1e1e1e;
  padding: 20px;
  margin: 20px 0;
  border-radius: 8px;
  transition: transform 0.6s ease, box-shadow 0.3s ease;
  opacity: 0;
  transform: translateY(40px);
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 25px rgba(255, 72, 0, 0.3);
}

#contact input,
#contact textarea {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border: none;
  border-radius: 5px;
}

#contact button {
  background: var(--primary);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
}

#about {
  animation: fadeIn 1s ease-in-out;
}

.tools-icons {
  font-size: 30px;
  margin: 10px;
}

.tools-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
  padding-top: 10px;
}

.github-links {
  padding: 15px;
  background: #1e1e1e;
  border-radius: 8px;
  margin-top: 30px;
}

.github-links a {
  display: block;
  color: var(--primary);
  margin: 5px 0;
  text-decoration: none;
}

.github-links a:hover {
  text-decoration: underline;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}