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

nav {
  position: sticky;
  top: 0;
  z-index: 999;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
  background: rgba(13, 17, 23, 0.8);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(10px);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
nav.hidden {
  transform: translateY(-100%);
}
#logoSticky {
  padding: 0.5rem;
}
.glass-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 0.5rem 0.75rem;
  color: #00f6ff;
  font-weight: 500;
  transition: all 0.3s ease;
  font-size: 0.9rem;
  text-align: center;
  min-width: 60px;
}
.glass-btn:hover {
  background: rgba(0, 246, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 246, 255, 0.3);
}
#menu-toggle.glass-btn {
  padding: 0.5rem;
}
#menu-toggle.glass-btn i {
  font-size: 1.2rem;
}
.glass-icon {
  background: rgb(240, 240, 240);
  padding: 0.5rem;
  border-radius: 12px;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  color: #222;
}
.glass-icon:hover {
  background: #000;
  transform: translateY(-3px);
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.15);
}
.glass-icon.linkedin:hover {
  color: rgb(0, 119, 181);
}

.glass-icon.github {
  background: rgba(0, 0, 0, 0.45);
  padding: 0.6rem;
  border-radius: 12px;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 14px rgba(0, 246, 255, 0.10);
  transition: all 0.3s ease;
  color: #fff; /* White logo on black background */
}
.glass-icon.github:hover {
  background-color: #fff !important;
  color: #000 !important; /* Black logo on white background */
  border: 1.5px solid rgba(0, 0, 0, 0.2);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}

.glass-icon.paper {
  background: rgb(245, 245, 245);
  color: #222;
  transition: all 0.3s ease;
  padding: 0.5rem;
  border-radius: 12px;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.glass-icon.paper:hover {
  background-color: #000 !important;
  color: #fff !important;
  transform: translateY(-3px);
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.15);
  background-image: none !important;
}
.highlight {
  color: #00f6ff;
}
.btn-primary {
  background: #00f6ff;
  color: #0d1117;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 500;
  transition: background 0.3s ease;
  font-size: 0.9rem;
}
.btn-primary:hover {
  background: #00d0e3;
}
.section {
  padding: 2rem 1rem;
}
.section-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: #f0f6fc;
  text-align: center;
  margin-bottom: 1.5rem;
}
.card {
  background: #161b22;
  padding: 1rem;
  border-radius: 8px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 15px rgba(0, 246, 255, 0.2);
}
input, textarea {
  background: #0d1117;
  border: 1px solid #30363d;
  padding: 0.5rem;
  color: #f0f6fc;
  border-radius: 5px;
  width: 100%;
  box-sizing: border-box;
}
#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

/* Responsive Design */
@media (max-width: 768px) {
  #logoSticky {
    top: 0;
    left: 0;
    background: rgba(13, 17, 23, 0.8);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(10px);
    width: auto;
    padding: 0.5rem 1rem;
    z-index: 50;
  }
  nav {
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
    padding: 0.5rem 1rem;
  }
  #nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    width: 100%;
    gap: 0.5rem;
    background: rgba(13, 17, 23, 0.8);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(10px);
    padding: 1rem;
    display: none;
  }
  #nav-links.show {
    display: flex;
  }
  .glass-btn {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
  }
  #menu-toggle {
    margin-left: auto;
  }
  .section {
    padding: 1.5rem 0.5rem;
  }
  .section-title {
    font-size: 1.5rem;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .btn-primary {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
  }
  .glass-icon {
    padding: 0.4rem;
  }
  input, textarea {
    padding: 0.5rem;
    font-size: 0.9rem;
  }
}

@media (min-width: 769px) {
  #menu-toggle {
    display: none;
  }
  #nav-links {
    display: flex !important;
  }
  nav {
    justify-content: center;
  }
}

/* Ensure cards and grids are responsive */
@media (max-width: 1024px) {
  .md\\:grid-cols-3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .md\\:grid-cols-3 {
    grid-template-columns: 1fr;
  }
  .grid-cols-2 {
    grid-template-columns: 1fr;
  }
  .md\\:grid-cols-4 {
    grid-template-columns: 1fr 1fr;
  }
}

/* High-resolution screens */
@media (min-width: 1280px) {
  .section {
    padding: 3rem 1rem;
  }
  .section-title {
    font-size: 2.5rem;
  }
  .glass-btn {
    padding: 0.5rem 1rem;
    font-size: 1rem;
  }
}

/* Typewriter Effect */
.cursor {
  display: inline-block;
  color: #58a6ff;
  animation: blink 0.75s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.highlight {
  color: #00f6ff;
}