* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif
}

body {
  background: linear-gradient(135deg, #0f0f0f, #1a1a1a);
  color: #fff;
  line-height: 1.6;
  transition: background .3s, color .3s
}

body.light {
  background: #f9f9f9;
  color: #111
}

a {
  text-decoration: none;
  color: inherit
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(0, 0, 0, .8);
  backdrop-filter: blur(10px);
  z-index: 1000
}

body.light .navbar {
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1)
}

.navbar .logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #00f5ff
}

.navbar nav {
  display: flex
}

.navbar nav a {
  margin: 0 1rem;
  transition: color .3s
}

.navbar nav a:hover {
  color: #00f5ff
}

body.light .navbar nav a {
  color: #111
}

body.light .navbar nav a:hover {
  color: #00bcd4
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem
}

#theme-toggle {
  background: none;
  border: none;
  color: inherit;
  font-size: 1.2rem;
  cursor: pointer
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: #fff;
  transition: .3s
}

body.light .hamburger span {
  background: #111
}

.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden
}

#particles-js {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 0 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center
}

.hero h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  background: linear-gradient(90deg, #00f5ff, #ff00ff, #00f5ff);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientGlow 6s infinite alternate
}

.hero p {
  margin: 1rem 0;
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  max-width: 600px;
  text-align: center;
  color: inherit
}

.btn {
  display: inline-block;
  padding: .8rem 1.5rem;
  margin-top: 1rem;
  background: linear-gradient(90deg, #00f5ff, #ff00ff);
  color: #fff;
  border-radius: 50px;
  position: relative;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
  font-size: 1rem
}

.btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px #00f5ff
}

.features,
.reviews,
.pricing,
.stats {
  padding: 5rem 2rem;
  text-align: center
}

.features h2,
.reviews h2,
.pricing h2 {
  font-size: 2rem;
  margin-bottom: 2rem
}

.feature-cards,
.review-cards,
.pricing-cards {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap
}

.card,
.review,
.price-card {
  background: #111;
  padding: 2rem;
  border-radius: 1rem;
  flex: 1 1 280px;
  transition: transform .3s, box-shadow .3s
}

body.light .card,
body.light .review,
body.light .price-card {
  background: #fff;
  color: #111;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05)
}

.card:hover {
  transform: translateY(-10px) scale(1.05);
  box-shadow: 0 0 20px #00f5ff
}

.review:hover,
.price-card:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px #00f5ff
}

.price-card.highlight {
  border: 2px solid #ff00ff
}

.lottie {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem
}

.stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  font-size: 2rem;
  font-weight: 700;
  flex-wrap: wrap
}

.stats div {
  flex: 1 1 150px;
  font-size: clamp(1.5rem, 5vw, 2rem)
}

.footer {
  padding: 2rem;
  background: #000;
  text-align: center
}

body.light .footer {
  background: #f9f9f9;
  color: #111;
  border-top: 1px solid rgba(0, 0, 0, 0.1)
}

.footer .socials {
  margin: 1rem 0
}

.footer .socials a {
  margin: 0 .5rem;
  font-size: 1.5rem;
  color: #fff;
  display: inline-block;
  transition: transform .3s, color .3s
}

body.light .footer .socials a {
  color: #111
}

.footer .socials a:hover {
  color: #00f5ff;
  transform: scale(1.2) rotate(10deg)
}

.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 1s ease
}

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

@keyframes gradientGlow {
  0% {
    background-position: 0% 50%
  }

  100% {
    background-position: 100% 50%
  }
}

body.light #particles-js canvas {
  filter: brightness(0.6)
}

@media(max-width:992px) {

  .feature-cards,
  .review-cards,
  .pricing-cards {
    gap: 1.5rem
  }
}

@media(max-width:768px) {
  .navbar {
    padding: 1rem
  }

  .navbar nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(0, 0, 0, .9);
    width: 200px;
    padding: 1rem
  }

  body.light .navbar nav {
    background: rgba(255, 255, 255, .95)
  }

  .navbar nav.active {
    display: flex
  }

  .hamburger {
    display: flex
  }

  .features,
  .reviews,
  .pricing,
  .stats {
    padding: 3rem 1rem
  }
}

@media(max-width:480px) {
  .btn {
    width: 100%;
    text-align: center
  }

  .card,
  .review,
  .price-card {
    flex: 1 1 100%
  }

  .stats {
    flex-direction: column;
    align-items: center;
    gap: 1rem
  }
}