body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  scroll-behavior: smooth;
  background: #0f0f1f;
  color: #fff;
}

/* Gradient Buttons */
.gradient-btn {
  background: linear-gradient(90deg, #6366f1, #8b5cf6);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.gradient-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 30px rgba(139, 92, 246, 0.6);
}
.gradient-btn::after {
  content: "";
  position: absolute;
  width: 200%;
  height: 200%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%) rotate(45deg);
  top: 50%;
  left: 50%;
  transition: all 0.5s ease;
  pointer-events: none;
}
.gradient-btn:hover::after {
  transform: translate(-50%, -50%) rotate(45deg) scale(1.3);
}

/* Fade-in effect */
.fade-in {
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  transition: all 1s ease-in-out;
}
.fade-in.show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Hero shapes */
.hero-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.25;
  pointer-events: none;
  transition: transform 0.2s ease;
  mix-blend-mode: screen;
}

/* Tilt cards */
.tilt {
  transition: transform 0.5s ease, box-shadow 0.3s ease;
  transform-style: preserve-3d;
}
.tilt:hover {
  transform: rotateY(8deg) rotateX(8deg);
  box-shadow: 0 20px 60px rgba(139, 92, 246, 0.5);
}

/* Glassmorphism */
.glass-card {
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 2rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}
.card {
  background-color: white;
  border-radius: 1rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  padding: 1.5rem;
  transition: transform 0.3s, box-shadow 0.3s;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

/* Skill Bar Animation */
.animate-fill {
  width: 0;
  animation: fillBar 2s forwards;
}
@keyframes fillBar {
  to { width: var(--width); }
}
/* FAQ button */
.faq-toggle::after {
  content: "+";
  float: right;
  transition: transform 0.3s;
}
.faq-toggle.active::after {
  transform: rotate(45deg);
}