html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Fira Code', monospace;
  background-color: #0d1117;
  color: #c9d1d9;
  margin: 0;
}

header, footer {
  background: #161b22;
  padding: 2rem 1rem;
  text-align: center;
}

footer {
  color: #8b949e;
  margin-top: 4rem;
}

nav {
  margin-top: 1rem;
}

nav a {
  margin: 0 0.5rem;
  color: #58a6ff;
  text-decoration: none;
  display: inline-block;
}

section, article {
  padding: 1rem 1.5rem;
  max-width: 900px;
  margin: auto;
}

h1, h2, h3 {
  color: #ffffff;
}

a {
  color: #58a6ff;
  text-decoration: none;
}

.two-col ul {
  margin: 0;
}

ul {
  padding-left: 1.2rem;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}


.post {
  border-bottom: 1px solid #30363d;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
}

.post:last-child {
  border-bottom: none;
}

#contact-form {
  background-color: #161b22;
  padding: 2rem;
  margin: 3rem auto;
  max-width: 700px;
  text-align: center;
  border: 1px solid #30363d;
  border-radius: 8px;
}

#contact-form h3 {
  color: #58a6ff;
  margin-bottom: 1rem;
}

#contact-form form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

#contact-form input,
#contact-form textarea {
  background-color: #0d1117;
  border: 1px solid #30363d;
  color: #c9d1d9;
  padding: 0.75rem;
  border-radius: 4px;
  font-family: 'Fira Code', monospace;
}

#contact-form button {
  padding: 0.75rem;
  background-color: #238636;
  color: white;
  border: none;
  border-radius: 5px;
  font-weight: bold;
  cursor: pointer;
}

#contact-form button:hover {
  background-color: #2ea043;
}

.logo {
  height: 60px;
  vertical-align: middle;
  margin-left: 6px;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.05);
}


#backToTop {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #238636;
  color: white;
  border: none;
  padding: 0.6rem 1rem;
  font-family: 'Fira Code', monospace;
  font-size: 14px;
  border-radius: 5px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
  z-index: 999;
}

#backToTop.show {
  opacity: 1;
  visibility: visible;
}



/* Responsive Typography */
h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.5rem;
}

p, li, a {
  font-size: 1rem;
}

/* Responsive Nav on Smaller Screens */
@media (max-width: 600px) {
  nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
  }

  nav a {
    margin: 0.25rem 0.5rem;
  }
}

.hamburger {
  display: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: #58a6ff;
  border: none;
  background: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

nav a {
  margin: 0.25rem 0.5rem;
}

@media (max-width: 768px) {
  nav {
    display: none;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
  }

  nav.active {
    display: flex;
  }

  .hamburger {
    display: block;
    margin-top: 1rem;
  }
}