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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #e0e0e0;
  background-color: #121212;
  padding: 0;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Background Animation */
.bg-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.bg-animation .particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.3;
  animation: float 15s infinite ease-in-out;
}

@keyframes float {
  0% {
    transform: translateY(0) translateX(0);
  }
  25% {
    transform: translateY(-20px) translateX(10px);
  }
  50% {
    transform: translateY(0) translateX(20px);
  }
  75% {
    transform: translateY(20px) translateX(10px);
  }
  100% {
    transform: translateY(0) translateX(0);
  }
}

.particle:nth-child(1) {
  width: 100px;
  height: 100px;
  left: 10%;
  top: 20%;
  background: radial-gradient(
    circle,
    rgba(187, 134, 252, 0.3) 0%,
    rgba(0, 0, 0, 0) 70%
  );
  animation-duration: 20s;
}

.particle:nth-child(2) {
  width: 150px;
  height: 150px;
  right: 15%;
  top: 30%;
  background: radial-gradient(
    circle,
    rgba(3, 218, 198, 0.3) 0%,
    rgba(0, 0, 0, 0) 70%
  );
  animation-duration: 25s;
  animation-delay: 1s;
}

.particle:nth-child(3) {
  width: 80px;
  height: 80px;
  left: 40%;
  bottom: 30%;
  background: radial-gradient(
    circle,
    rgba(187, 134, 252, 0.2) 0%,
    rgba(0, 0, 0, 0) 70%
  );
  animation-duration: 18s;
  animation-delay: 2s;
}

.particle:nth-child(4) {
  width: 120px;
  height: 120px;
  right: 30%;
  bottom: 20%;
  background: radial-gradient(
    circle,
    rgba(3, 218, 198, 0.2) 0%,
    rgba(0, 0, 0, 0) 70%
  );
  animation-duration: 22s;
  animation-delay: 3s;
}

.particle:nth-child(5) {
  width: 170px;
  height: 170px;
  left: 20%;
  bottom: 10%;
  background: radial-gradient(
    circle,
    rgba(187, 134, 252, 0.1) 0%,
    rgba(0, 0, 0, 0) 70%
  );
  animation-duration: 28s;
  animation-delay: 0.5s;
}

/* Matrix effect in background */
.matrix-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  opacity: 0.05;
  background:
    linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.1)),
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><text x="10" y="20" font-family="monospace" font-size="20" fill="rgb(3, 218, 198)">01</text><text x="50" y="40" font-family="monospace" font-size="15" fill="rgb(3, 218, 198)">10</text><text x="30" y="60" font-family="monospace" font-size="25" fill="rgb(187, 134, 252)">01</text><text x="70" y="80" font-family="monospace" font-size="18" fill="rgb(187, 134, 252)">10</text></svg>');
}

header {
  background-color: rgba(26, 26, 26, 0.8);
  backdrop-filter: blur(10px);
  color: white;
  text-align: center;
  padding: 1.5rem 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  position: relative;
}

h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  color: #bb86fc;
  text-shadow: 0 0 10px rgba(187, 134, 252, 0.7), 0 0 20px rgba(187, 134, 252, 0.5), 0 0 30px rgba(187, 134, 252, 0.3);
  background: linear-gradient(45deg, #bb86fc, #03dac6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 2px;
  transform: perspective(500px) rotateX(10deg);
  animation: glow 2s ease-in-out infinite alternate;
  font-weight: 800;
}

@keyframes glow {
  from {
    filter: brightness(1);
  }
  to {
    filter: brightness(1.3);
  }
}

.subtitle {
  font-size: 1.2rem;
  font-weight: 300;
  opacity: 0.9;
}

.visitor-counter {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 0.75rem;
  opacity: 0.5;
  color: #888;
  font-style: italic;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
  position: relative;
  z-index: 1;
}

.video-container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto 2rem auto;
  aspect-ratio: 16 / 9;
  background-color: #1a1a1a;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 15px rgba(187, 134, 252, 0.3);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-container:hover {
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6), 0 0 20px rgba(187, 134, 252, 0.4);
}

.video-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.intro-text {
  background-color: rgba(30, 30, 30, 0.8);
  backdrop-filter: blur(5px);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  margin-bottom: 2rem;
  border: 1px solid rgba(187, 134, 252, 0.1);
  transition: transform 0.3s ease;
}

.intro-text:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4);
}

h2 {
  color: #bb86fc;
  margin-bottom: 1rem;
  border-bottom: 2px solid #03dac6;
  padding-bottom: 0.5rem;
  text-shadow: 0 0 8px rgba(187, 134, 252, 0.3);
}

p {
  margin-bottom: 1rem;
}

.key-points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.point-card {
  background-color: rgba(30, 30, 30, 0.8);
  backdrop-filter: blur(5px);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(3, 218, 198, 0.1);
  position: relative;
  overflow: hidden;
}

.point-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: linear-gradient(to bottom, #bb86fc, #03dac6);
  transition: height 0.5s ease;
}

.point-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.point-card:hover::before {
  height: 100%;
}

.point-card h3 {
  color: #03dac6;
  margin-bottom: 1rem;
  text-shadow: 0 0 8px rgba(3, 218, 198, 0.3);
}

ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.5rem;
}

footer {
  background-color: rgba(26, 26, 26, 0.8);
  backdrop-filter: blur(10px);
  color: white;
  text-align: center;
  padding: 1.5rem;
  margin-top: 2rem;
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  .container {
    padding: 1rem;
  }

  .visitor-counter {
    position: static;
    display: block;
    margin-bottom: 0.5rem;
    text-align: right;
  }

  .bg-animation .particle {
    opacity: 0.2;
  }
}