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

body {
  font-family: Arial, sans-serif;
  background: #081018;
  color: white;
  overflow-x: hidden;
}

.loader {
  position: fixed;
  width: 100%;
  height: 100vh;
  background: #081018;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.spinner {
  width: 60px;
  height: 60px;
  border: 5px solid rgba(255,255,255,0.2);
  border-top: 5px solid #00ffcc;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.navbar {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 8%;
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(10px);
  z-index: 1000;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-links {
  display: flex;
  gap: 25px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: white;
  transition: 0.3s;
}

.nav-links a:hover {
  color: #00ffcc;
}

.menu-btn {
  display: none;
    cursor: pointer;
}

.hero {
  height: 100vh;
  background: url('photo/gg.jpg') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
}

.hero-content {
  position: relative;
  text-align: center;
  z-index: 2;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
}

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

.btn {
  padding: 14px 24px;
  border-radius: 50px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: 0.4s;
}

.primary-btn {
  background: #00ffcc;
  color: black;
}

.secondary-btn {
  border: 1px solid white;
  color: white;
}

.btn:hover {
  transform: translateY(-5px);
}

.section {
  padding: 100px 8%;
}

.container {
  max-width: 1200px;
  margin: auto;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.glass-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(15px);
  padding: 40px;
  border-radius: 20px;
}

.dark-section {
  background: #0d1721;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.feature-card {
  background: rgba(255,255,255,0.05);
  padding: 40px 25px;
  border-radius: 20px;
  text-align: center;
  transition: 0.4s;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0,255,204,0.2);
}

.feature-card i {
  font-size: 2rem;
  margin-bottom: 20px;
  color: #00ffcc;
}

footer {
  padding: 40px 8%;
  text-align: center;
  background: #050b10;
}

.socials {
  margin: 20px 0;
}

.socials a {
  color: white;
  margin: 0 10px;
  font-size: 1.2rem;
}

#topBtn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: none;
  background: #00ffcc;
  cursor: pointer;
}

@media(max-width: 768px) {

  .hero h1 {
    font-size: 2.5rem;
  }

  .nav-links {
    display: none;
  }

  .menu-btn {
    display: block;
    font-size: 1.5rem;
  }
}