/* ================= DEFAULT (Desktop First) ================= */
body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: #111827; /* dark gray background */
  overflow-x: hidden; /* prevent horizontal scrolling */
}
/* 3D perspective for interactive effects */
.perspective {
  perspective: 1000px;
}
.transform-style {
  transform-style: preserve-3d;
}

/* Card/image hover effects */
.rotate-right:hover {
  transform: rotateY(8deg) translateZ(20px);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.6);
}

.img-hover {
  transition: all 0.5s ease-in-out;
}
.img-hover:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: 0 0 25px rgba(255, 255, 255, 0.4);
}

/* Smooth animation for cloned image */
#cloneImage {
  transition: top 0.5s ease, left 0.5s ease, width 0.5s ease, height 0.5s ease,
    transform 1s ease-in-out;
}

/* Fade-out animation */
.fade-out {
  opacity: 0;
}

/* Card hover effect */
.card-hover {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.card-hover:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 0 18px 3px rgba(255, 255, 255, 0.25);
}

/* Slight shadow on hover */
.interactive-card:hover {
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

/* Icon container styling */
.icon-wrapper {
  border-radius: 1rem;
  padding: 1rem;
  margin-bottom: 1rem;
  transition: transform 0.3s ease;
  backdrop-filter: blur(5px);
  overflow: hidden;
}

/* ================= RESPONSIVE ================= */

/* Mobile: reset to normal flow so scrolling works */
@media screen and (max-width: 1024px) {
  body {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 2rem 0;
  }
  
  .main-container {
    width: 100%;
  }
}

/* Tablet (≤1024px) */
@media screen and (max-width: 1024px) {
  .main-container {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin: 0 auto;
  }

  .rotate-right:hover {
    transform: rotateY(5deg) translateZ(10px);
  }

  .img-hover:hover {
    transform: scale(1.03);
  }

  .card-hover:hover {
    transform: translateY(-5px) scale(1.01);
  }
}

/* Mobile (≤768px) */
@media screen and (max-width: 768px) {
  body {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .main-container {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    width: 100%;
    padding: 0 1rem;
  }

  .main-container > div {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 22rem; /* make each card fit better on screen */
  }

  .icon-wrapper {
    padding: 0.5rem;
  }

  .card {
    padding: 0.5rem;
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    transition: transform 0.3s ease;
    width: 100%;
  }

  .card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
  }

  /* Disable heavy effects for small screens */
  .rotate-right:hover,
  .img-hover:hover,
  .card-hover:hover {
    transform: none;
    box-shadow: none;
  }
}

/* Extra Small Mobile (≤480px) */
@media screen and (max-width: 480px) {
  .main-container {
    padding: 0 0.5rem;
  }
  
  .icon-wrapper {
    padding: 0.3rem;
    border-radius: 0.4rem;
  }

  .card {
    padding: 0.3rem;
    border-radius: 0.4rem;
  }

  img {
    max-width: 100%;
    height: auto;
  }
}