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

body {
  background: #0b0f1a;
  color: white;
  overflow-x: hidden;
}

/* Animated gradient background */
.hero {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: linear-gradient(-45deg, #0f2027, #203a43, #2c5364, #1c1c1c);
  background-size: 400% 400%;
  animation: gradientBG 10s ease infinite;
}

@keyframes gradientBG {
  0% {background-position: 0% 50%;}
  50% {background-position: 100% 50%;}
  100% {background-position: 0% 50%;}
}

.hero h1 {
  font-size: 3rem;
}

.hero p {
  margin: 15px 0;
  opacity: 0.8;
}

button {
  padding: 12px 25px;
  border: none;
  border-radius: 30px;
  background: #00c6ff;
  color: #000;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  transform: scale(1.05);
  background: #00ffcc;
}

header {
  position: fixed;
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 15px 40px;
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(10px);
}

header nav a {
  color: white;
  margin: 0 10px;
  text-decoration: none;
}

.section {
  padding: 80px 20px;
  text-align: center;
}

.dark {
  background: #111827;
}

h2 {
  font-size: 2.2rem;
  margin-bottom: 20px;
}

.grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

.card {
  width: 250px;
  padding: 20px;
  border-radius: 15px;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
  transition: 0.4s;
  cursor: pointer;
}

.card:hover {
  transform: translateY(-10px);
  background: rgba(0,198,255,0.2);
}

form {
  display: flex;
  flex-direction: column;
  width: 300px;
  margin: auto;
  gap: 10px;
}

input, textarea {
  padding: 10px;
  border: none;
  border-radius: 8px;
}

footer {
  text-align: center;
  padding: 20px;
  background: black;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: 1s ease;
}

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

/* particles layer */
#particles {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: -1;
}