/* 3D Effects CSS - Hiệu ứng 3D cho website */

/* ===== 3D BUTTONS ===== */
.btn-3d {
  position: relative;
  transform-style: preserve-3d;
  transition: all 0.3s ease;
  perspective: 1000px;
}

.btn-3d:hover {
  transform: translateY(-5px) rotateX(10deg);
  box-shadow: 
    0 10px 20px rgba(0,0,0,0.2),
    0 0 30px rgba(74, 144, 226, 0.3);
}

.btn-3d:active {
  transform: translateY(-2px) rotateX(5deg);
  box-shadow: 
    0 5px 10px rgba(0,0,0,0.2),
    0 0 20px rgba(74, 144, 226, 0.2);
}

/* ===== 3D CARDS ===== */
.card-3d {
  transform-style: preserve-3d;
  transition: all 0.4s ease;
  perspective: 1000px;
}

.card-3d:hover {
  transform: rotateY(5deg) rotateX(5deg) translateZ(20px);
  box-shadow: 
    0 20px 40px rgba(0,0,0,0.15),
    0 0 50px rgba(74, 144, 226, 0.1);
}

.card-3d .card-body {
  transform: translateZ(10px);
}

/* ===== 3D NAVIGATION ===== */
.nav-3d {
  transform-style: preserve-3d;
  transition: all 0.3s ease;
}

.nav-3d .nav-link {
  position: relative;
  transform-style: preserve-3d;
  transition: all 0.3s ease;
}

.nav-3d .nav-link:hover {
  transform: translateY(-3px) rotateX(5deg);
  color: #4a90e2 !important;
}

.nav-3d .nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(74, 144, 226, 0.1), rgba(52, 152, 219, 0.1));
  transform: translateZ(-1px);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-3d .nav-link:hover::before {
  opacity: 1;
}

/* ===== 3D HERO SECTION ===== */
.hero-3d {
  position: relative;
  transform-style: preserve-3d;
  perspective: 1000px;
}

.hero-3d .carousel-item {
  transform-style: preserve-3d;
  transition: all 0.6s ease;
}

.hero-3d .carousel-item.active {
  transform: translateZ(0);
}

.hero-3d .carousel-item:not(.active) {
  transform: translateZ(-50px) rotateY(15deg);
  opacity: 0.7;
}

/* ===== 3D TOOLS SECTION ===== */
.tools-3d {
  transform-style: preserve-3d;
  perspective: 1200px;
}

.tool-card-3d {
  transform-style: preserve-3d;
  transition: all 0.4s ease;
  position: relative;
}

.tool-card-3d:hover {
  transform: rotateY(10deg) rotateX(5deg) translateZ(30px);
  box-shadow: 
    0 25px 50px rgba(0,0,0,0.2),
    0 0 60px rgba(74, 144, 226, 0.15);
}

.tool-card-3d .card-header {
  transform: translateZ(15px);
}

.tool-card-3d .card-body {
  transform: translateZ(10px);
}

.tool-card-3d .card-footer {
  transform: translateZ(5px);
}

/* ===== 3D FOOTER ===== */
.footer-3d {
  transform-style: preserve-3d;
  perspective: 800px;
}

.footer-3d .footer-content {
  transform: translateZ(0);
}

.footer-3d .footer-link {
  transform-style: preserve-3d;
  transition: all 0.3s ease;
}

.footer-3d .footer-link:hover {
  transform: translateY(-2px) rotateX(3deg);
  color: #4a90e2 !important;
}

/* ===== 3D LOADING ANIMATIONS ===== */
.loading-3d {
  transform-style: preserve-3d;
  animation: rotate3d 2s infinite linear;
}

@keyframes rotate3d {
  0% { transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg); }
  100% { transform: rotateX(360deg) rotateY(360deg) rotateZ(360deg); }
}

/* ===== 3D FLOATING ELEMENTS ===== */
.floating-3d {
  animation: float3d 3s ease-in-out infinite;
  transform-style: preserve-3d;
}

@keyframes float3d {
  0%, 100% { 
    transform: translateY(0px) rotateX(0deg) rotateY(0deg); 
  }
  50% { 
    transform: translateY(-10px) rotateX(5deg) rotateY(5deg); 
  }
}

/* ===== 3D MODAL ===== */
.modal-3d {
  transform-style: preserve-3d;
  perspective: 1000px;
}

.modal-3d .modal-dialog {
  transform: rotateX(0deg) translateZ(0);
  transition: all 0.3s ease;
}

.modal-3d.show .modal-dialog {
  transform: rotateX(0deg) translateZ(50px);
}

/* ===== 3D FORM ELEMENTS ===== */
.form-3d {
  transform-style: preserve-3d;
  perspective: 800px;
}

.form-3d .form-control {
  transform-style: preserve-3d;
  transition: all 0.3s ease;
}

.form-3d .form-control:focus {
  transform: translateZ(5px);
  box-shadow: 
    0 0 0 0.2rem rgba(74, 144, 226, 0.25),
    0 5px 15px rgba(0,0,0,0.1);
}

/* ===== 3D ICONS ===== */
.icon-3d {
  transform-style: preserve-3d;
  transition: all 0.3s ease;
  display: inline-block;
}

.icon-3d:hover {
  transform: rotateY(180deg) rotateX(10deg);
  color: #4a90e2;
}

/* ===== 3D BADGES ===== */
.badge-3d {
  transform-style: preserve-3d;
  transition: all 0.3s ease;
  position: relative;
}

.badge-3d:hover {
  transform: translateZ(10px) rotateX(5deg);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* ===== 3D PROGRESS BARS ===== */
.progress-3d {
  transform-style: preserve-3d;
  perspective: 500px;
}

.progress-3d .progress-bar {
  transform: translateZ(5px);
  transition: all 0.3s ease;
}

.progress-3d:hover .progress-bar {
  transform: translateZ(10px);
}

/* ===== 3D ALERTS ===== */
.alert-3d {
  transform-style: preserve-3d;
  transition: all 0.3s ease;
  position: relative;
}

.alert-3d:hover {
  transform: translateZ(5px) rotateX(2deg);
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

/* ===== 3D RESPONSIVE ===== */
@media (max-width: 768px) {
  .card-3d:hover,
  .tool-card-3d:hover {
    transform: translateY(-5px) translateZ(10px);
  }
  
  .btn-3d:hover {
    transform: translateY(-3px) translateZ(5px);
  }
}

/* ===== 3D PERFORMANCE OPTIMIZATION ===== */
.gpu-accelerated {
  transform: translateZ(0);
  will-change: transform;
}

/* ===== 3D CUSTOM PROPERTIES ===== */
:root {
  --3d-perspective: 1000px;
  --3d-transition: all 0.3s ease;
  --3d-shadow: 0 10px 20px rgba(0,0,0,0.2);
  --3d-hover-transform: translateY(-5px) rotateX(5deg);
}