body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  color: #fff;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

header {
  text-align: center;
  padding: 2rem;
  background: rgba(0, 0, 0, 0.7);
  animation: slideDown 1s ease-in-out;
}

header h1 {
  font-size: 2.8rem;
  margin: 0;
  color: #00ffe7;
  text-shadow: 0 0 10px #00ffe7;
}

header p {
  margin: 0.5rem 0 0;
  color: #c9f7ff;
  font-size: 1.2rem;
  animation: fadeInText 2s ease-in;
}

.card-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 3rem;
  animation: fadeIn 2s ease-in-out;
}

.card {
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid #00ffe7;
  border-radius: 20px;
  padding: 2rem;
  backdrop-filter: blur(12px);
  box-shadow: 0 0 25px #00ffe7;
  transition: transform 0.4s, box-shadow 0.4s;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0,255,231,0.2), transparent 70%);
  animation: rotateGlow 6s linear infinite;
  z-index: 0;
}

.card * {
  position: relative;
  z-index: 1;
}

.card:hover {
  transform: scale(1.06);
  box-shadow: 0 0 35px #00ffe7, 0 0 15px #00ffe7 inset;
}

.card h2 {
  color: #00ffe7;
  font-size: 1.7rem;
  margin-bottom: 1rem;
  text-shadow: 0 0 5px #00ffe7;
}

.card ul {
  list-style-type: disc;
  padding-left: 1.2rem;
  margin-bottom: 1.5rem;
}

.card ul li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
  font-size: 1rem;
}

.order-btn {
  display: inline-block;
  padding: 0.75rem 1.4rem;
  background: #00ffe7;
  color: #000;
  text-decoration: none;
  border-radius: 10px;
  font-weight: bold;
  transition: background 0.3s, transform 0.3s;
  animation: popUp 1s ease-in-out;
  box-shadow: 0 0 12px #00ffe7;
}

.order-btn:hover {
  background: #00c2b7;
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 0 20px #00c2b7;
}

footer {
  text-align: center;
  padding: 1rem;
  background: #111;
  color: #888;
  font-size: 0.9rem;
}

/* Animations */
@keyframes slideDown {
  from {
    transform: translateY(-100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes fadeInText {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes popUp {
  0% {
    transform: scale(0.9);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes rotateGlow {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Scroll Reveal Trigger */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}