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

html, body {
  width: 100%;
  height: 100%;
  font-family: 'Poppins', sans-serif;
  background-color: #a0a0a0;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

nav {
  width: 100%;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  background-color: #a0a0a0;
}

nav a {
  text-decoration: none;
  color: #0a0a0a;
  font-weight: 700;
  font-size: 0.94rem;
  letter-spacing: 1px;
  margin-left: 2rem;
  line-height: 1rem;
  padding-top: 0.2rem;
}

.nav-left a {
  margin-left: 0;
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding-top: 8rem;
  text-align: center;
}

.brand {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2.5rem, 8vw, 8rem);
  color: #0a0a0a;
  letter-spacing: 3px;
  margin-top: 3rem;
  margin-bottom: 5rem;
  text-align: center;
}
.feature-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  width: 100%;
  max-width: 90vw;
  flex-wrap: wrap;
}

.arrow {
  background: none;
  border: none;
  font-size: 3.5rem;
  color: #0a0a0a;
  cursor: pointer;
  font-weight: 800;
  transition: transform 0.2s ease;
}

.arrow:hover {
  transform: scale(1.15);
}

.feature-box {
  border: 3px solid #0a0a0a;
  border-radius: 1.5rem;
  width: 50vw;
  height: 25vw;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  position: relative;
  background-color: #fff;
  box-shadow: 0 6px 18px rgba(0,0,0,0.1);
}

.slide {
  display: none;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 1.2rem;
  transition: opacity 0.4s ease;
}

.slide.active {
  display: block;
}

.about {
  padding: 6rem 2rem;
  text-align: center;
  color: #0a0a0a;
  max-width: 900px;
  margin: 0 auto;
}

.about h2 {
  font-size: 3rem;
  font-family: 'Poppins', sans-serif;
  margin-bottom: 2rem;
  letter-spacing: 2px;
}

.about p {
  font-size: 1.25rem;
  line-height: 1.8;
  color: #1a1a1a;
  text-align: justify;
}

.join-us {
  background-color: #0a0a0a;
  color: #fff;
  padding: 6rem 3rem;
  text-align: center;
}

.join-us h2 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  letter-spacing: 2px;
}

.join-us p {
  max-width: 800px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
  line-height: 1.8;
  color: #a0a0a0;
  text-align: justify;
}

.join-btn {
  padding: 0.9rem 2rem;
  background-color: #fff;
  color: #0a0a0a;
  border: none;
  text-decoration: none;
  font-weight: 700;
  border-radius: 30px;
  transition: 0.3s ease;
  display: inline-block;
}

.join-btn:hover {
  background-color: #a0a0a0;
  color: #0a0a0a;
}

.footer {
  padding: 2rem 1rem;
  text-align: center;
  font-size: 0.9rem;
  color: #0a0a0a;
  margin-top: 5rem;
}

.footer hr {
  border: none;
  border-top: 2px solid #0a0a0a;
  margin-bottom: 1.5rem;
  width: 80%;
  margin-left: auto;
  margin-right: auto;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}

.github-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: #0a0a0a;
  font-weight: 600;
  transition: color 0.3s;
}

.github-link img {
  width: 24px;
  height: 24px;
}

.github-link:hover {
  color: #333;
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background-color: #111;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
  background-color: #333;
}

#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  background: transparent;
  z-index: 0;
  top: 0;
  left: 0;
  pointer-events: none;
}

#intro-preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: opacity 0.8s ease;
  overflow: hidden;
}

.intro-logo {
  display: flex;
  gap: 0.1rem;
  font-family: 'Orbitron', sans-serif;
  font-size: 3.5rem;
  letter-spacing: 2px;
  color: white;
  z-index: 2;
  justify-content: center;
  align-items: center;
}
.intro-logo span {
  opacity: 0;
  transform: translateY(10px);
  animation: typeSmooth 0.4s ease-out forwards;
}

.intro-logo span:nth-child(1) { animation-delay: 0.2s; }
.intro-logo span:nth-child(2) { animation-delay: 0.4s; }
.intro-logo span:nth-child(3) { animation-delay: 0.6s; }
.intro-logo span:nth-child(4) { animation-delay: 0.8s; }
.intro-logo span:nth-child(5) { animation-delay: 1s; }
.intro-logo span:nth-child(6) { animation-delay: 1.2s; }
.intro-logo span:nth-child(7) { animation-delay: 1.4s; }
.intro-logo span:nth-child(8) { animation-delay: 1.6s; }

@keyframes typeSmooth {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}


.overlay {
  position: fixed;
  width: 100vw;
  height: 100vh;
  z-index: 2;
  display: flex;
}

.bar {
  flex: 1;
  height: 105vh;
  background: #1a1a1a;
}