* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

::selection {
  background-color: rgba(249, 115, 22, 0.2);
  color: rgba(251, 146, 60, 1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: 
    radial-gradient(circle at 0% 0%, rgba(255, 97, 0, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 100% 0%, rgba(255, 97, 0, 0.12) 0%, transparent 50%),
    linear-gradient(180deg, #111827 0%, #1e1b18 100%);
  color: rgba(255, 255, 255, 0.9);
  overflow: hidden;
  position: relative;
}

.background-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: rgba(249, 115, 22, 0.3);
  border-radius: 50%;
  animation: float 20s infinite ease-in-out;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; }
.particle:nth-child(4) { left: 40%; animation-delay: 6s; }
.particle:nth-child(5) { left: 50%; animation-delay: 8s; }
.particle:nth-child(6) { left: 60%; animation-delay: 10s; }
.particle:nth-child(7) { left: 70%; animation-delay: 3s; }
.particle:nth-child(8) { left: 80%; animation-delay: 5s; }

@keyframes float {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) scale(1);
    opacity: 0;
  }
}

.container {
  text-align: center;
  z-index: 1;
  position: relative;
  padding: 2rem;
  max-width: 900px;
  width: 100%;
}

.cube-scene {
  perspective: 800px;
  margin: 0 auto 5rem;
  width: 200px;
  height: 200px;
  cursor: grab;
}

.cube-scene:active {
  cursor: grabbing;
}

.cube {
  width: 200px;
  height: 200px;
  position: relative;
  transform-style: preserve-3d;
  transform: rotateX(-20deg) rotateY(-20deg);
  transition: transform 0.1s;
}

.cube.auto-rotate {
  animation: rotateCube 20s infinite linear;
}

@keyframes rotateCube {
  0% {
    transform: rotateX(-20deg) rotateY(-20deg);
  }
  100% {
    transform: rotateX(-20deg) rotateY(340deg);
  }
}

.cube-face {
  position: absolute;
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 3rem;
  font-weight: 700;
  backdrop-filter: blur(12px);
  border-radius: 8px;
  box-shadow: 
    inset 0 1px 1px rgba(255, 255, 255, 0.1),
    0 8px 32px rgba(0, 0, 0, 0.3);
  color: rgba(251, 146, 60, 1);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.front  { 
  transform: rotateY(0deg) translateZ(100px);
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.15), rgba(249, 115, 22, 0.05));
}
.back   { 
  transform: rotateY(180deg) translateZ(100px);
  background: linear-gradient(135deg, rgba(234, 88, 12, 0.15), rgba(234, 88, 12, 0.05));
}
.right  { 
  transform: rotateY(90deg) translateZ(100px);
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.12), rgba(249, 115, 22, 0.04));
}
.left   { 
  transform: rotateY(-90deg) translateZ(100px);
  background: linear-gradient(135deg, rgba(234, 88, 12, 0.12), rgba(234, 88, 12, 0.04));
}
.top    { 
  transform: rotateX(90deg) translateZ(100px);
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.18), rgba(249, 115, 22, 0.08));
}
.bottom { 
  transform: rotateX(-90deg) translateZ(100px);
  background: linear-gradient(135deg, rgba(194, 65, 12, 0.15), rgba(194, 65, 12, 0.05));
}

.title {
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 500;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
  color: rgba(255, 255, 255, 0.9);
}

.subtitle {
  font-size: clamp(1rem, 3vw, 1.5rem);
  color: rgba(251, 146, 60, 1);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.description {
  font-size: clamp(0.875rem, 2.5vw, 1rem);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 2.5rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

.link {
  background: linear-gradient(to right, rgb(249, 115, 22), rgb(234, 88, 12));
  border-radius: 12px;
  padding: 0.625rem 1.5rem;
  color: white;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.link:hover {
  background: linear-gradient(to right, rgb(234, 88, 12), rgb(194, 65, 12));
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(249, 115, 22, 0.3);
}

.link:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(249, 115, 22, 0.5);
}

.footer {
  position: absolute;
  bottom: 1.5rem;
  width: 100%;
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.4);
}

@media (max-width: 768px) {
  .cube-scene {
    width: 160px;
    height: 160px;
    margin-bottom: 4rem;
    perspective: 700px;
  }

  .cube {
    width: 160px;
    height: 160px;
  }

  .cube-face {
    width: 160px;
    height: 160px;
    font-size: 2.25rem;
    border-radius: 6px;
  }

  .front  { transform: rotateY(0deg) translateZ(80px); }
  .back   { transform: rotateY(180deg) translateZ(80px); }
  .right  { transform: rotateY(90deg) translateZ(80px); }
  .left   { transform: rotateY(-90deg) translateZ(80px); }
  .top    { transform: rotateX(90deg) translateZ(80px); }
  .bottom { transform: rotateX(-90deg) translateZ(80px); }

  .container {
    padding: 1.5rem;
  }

  .link {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .cube-scene {
    width: 130px;
    height: 130px;
    margin-bottom: 3.5rem;
    perspective: 600px;
  }

  .cube {
    width: 130px;
    height: 130px;
  }

  .cube-face {
    width: 130px;
    height: 130px;
    font-size: 1.75rem;
    border-radius: 6px;
  }

  .front  { transform: rotateY(0deg) translateZ(65px); }
  .back   { transform: rotateY(180deg) translateZ(65px); }
  .right  { transform: rotateY(90deg) translateZ(65px); }
  .left   { transform: rotateY(-90deg) translateZ(65px); }
  .top    { transform: rotateX(90deg) translateZ(65px); }
  .bottom { transform: rotateX(-90deg) translateZ(65px); }

  .container {
    padding: 1rem;
  }

  .link {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }
}