body {
  background: #111;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 2rem;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

/*screen adjustment*/
@media (max-width: 600px) {
  .lego-card {
    width: 100%;
    max-width: 300px;
  }

  .lego-skill-container {
    justify-content: center;
  }
}


.lego-skill-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  width: 100%;
  max-width: 1400px;
}


.lego-container {
  display: grid;
  grid-template-columns: repeat(60, 10px);
  grid-template-rows: repeat(10, 10px);
  justify-content: center;
  gap: 1px;
  position: relative;
}

/* Styles for individual Lego bricks */
.lego-brick {
    width: 100%; /* Fill grid cell */
    height: 100%; /* Fill grid cell */
    background-color: var(--lego-color, #007bff); /* Default blue, overridden by JS */
    border: 1px solid rgba(0, 0, 0, 0.15);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    
    transform-style: preserve-3d; /* For the stud effect */
    position: relative;
    border-radius: 3px; /* Slightly rounded corners for brick */

    /* Initial state: hidden, scaled down, rotated, and translated off-screen */
    opacity: 0;
    transform: scale(0.1) rotateX(180deg) rotateY(180deg) translateZ(-200px); 
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.5s ease-out; /* Smooth animation */
}

/* Pseudo-element for the Lego stud on top of each brick */
.lego-brick::before {
    content: '';
    position: absolute;
    top: 20%; /* Position the stud */
    left: 20%; 
    width: 60%; 
    height: 60%; 
    background-color: inherit; /* Inherit the brick's color */
    border-radius: 50%; /* Make it round */
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2); /* Inner shadow for depth */
    transform: translateZ(5px); /* Push the stud forward in 3D space */
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.lego-brick.animate {
  animation: dropIn 0.3s forwards;
}

@keyframes dropIn {
  0% {
    opacity: 0;
    transform: scale(0.2) translateY(-10px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}




.lego-card {
  position: relative;
  background: linear-gradient(145deg, #ff6f00, #ff9f00);
  width: 280px;
  height: 350px;
  border-radius: 15px;
  box-shadow:
    0 5px 15px rgba(0,0,0,0.4),
    inset 0 -5px 15px rgba(255, 255, 255, 0.25);
  overflow: hidden;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.lego-card:hover {
  transform: translateY(-20px) rotateX(5deg) rotateY(10deg);
  box-shadow:
    0 15px 30px rgba(0,0,0,0.6),
    inset 0 -8px 25px rgba(255, 255, 255, 0.35);
}

/* Lego studs pattern */
.lego-card::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 20px;
  width: calc(100% - 40px);
  height: 50px;
  background: repeating-radial-gradient(circle at center,
    #ffb300 0 6px,
    #ffa000 6px 12px,
    transparent 12px 15px);
  background-size: 30px 30px;
  border-radius: 10px;
  box-shadow: inset 0 3px 5px rgba(255,255,255,0.6);
  pointer-events: none;
  transform-style: preserve-3d;
  z-index: 10;
  transition: background-size 0.4s ease;
}

.lego-card:hover::before {
  background-size: 40px 40px;
}

/* Card content */
.lego-card-content {
  position: relative;
  z-index: 20;
  padding: 1.5rem;
  color: #fff;
  text-shadow: 0 0 4px rgba(0,0,0,0.7);
}

.lego-card-content h2 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.lego-card-content p {
  font-size: 1rem;
  line-height: 1.4;
}

/* Add subtle stud shadow on card bottom */
.lego-card::after {
  content: "";
  position: absolute;
  bottom: 20px;
  left: 20px;
  width: calc(100% - 40px);
  height: 50px;
  background: repeating-radial-gradient(circle at center,
    #ffb300 0 6px,
    #ffa000 6px 12px,
    transparent 12px 15px);
  background-size: 30px 30px;
  border-radius: 10px;
  opacity: 0.6;
  filter: blur(4px);
  pointer-events: none;
  transform-style: preserve-3d;
  z-index: 5;
  transition: background-size 0.4s ease;
}

.lego-card:hover::after {
  background-size: 40px 40px;
}

/* Different colored cards */
.blue-card {
  background: linear-gradient(145deg, #0057a6, #0088ff);
}

.green-card {
  background: linear-gradient(145deg, #00af4d, #00d86a);
}

.red-card{
  background: linear-gradient(145deg, #ff0000, #ff4242 );
}

.yellow-card{
  background: linear-gradient(145deg, #fffb00, #fffc2e);
}