* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", "Segoe UI", Roboto, sans-serif;
  scroll-behavior: smooth;
}

body {
  color: #e8f1ff;
  background-color: #020617;
  overflow-x: hidden;
}

.vid {
  position: relative;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  object-fit: cover;
  z-index: -2;
}

header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 20, 0.55);
  z-index: -1;
}

header {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  color: #ffffff;
  padding: 0 20px;
}

.maintitle {
  font-size: 42px;
  font-weight: 700;
  text-shadow: 0 0 20px #00e0ff, 0 0 40px rgba(0, 255, 255, 0.4);
  margin-bottom: 10px;
}

.parainfo {
  font-size: 18px;
  color: #b0c9ff;
  text-shadow: 0 0 10px rgba(0, 150, 255, 0.4);
}

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(0, 0, 20, 0.65);
  border-bottom: 1px solid rgba(0, 255, 255, 0.2);
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.25);
  border-radius: 10px;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
  padding: 15px 25px;
}

.navhyper {
  text-decoration: none;
  color: #e0e0e0;
  font-weight: 500;
  font-size: 16px;
  position: relative;
  transition: color 0.3s ease;
}

.navhyper::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, #00e0ff, #0077ff);
  transition: width 0.3s ease;
}

.navhyper:hover {
  color: #00e0ff;
}

.navhyper:hover::after {
  width: 100%;
}

main {
  margin-top: 100vh;
  width: 90%;
  max-width: 1200px;
  margin-inline: auto;
}

section {
  margin: 70px 0;
  padding: 40px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 255, 255, 0.1);
  border-radius: 15px;
  box-shadow: 0 0 25px rgba(0, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

section:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 40px rgba(0, 255, 255, 0.25);
}

section h2 {
  font-size: 29px;
  color: #00e0ff;
  margin-bottom: 20px;
  text-shadow: 0 0 15px rgba(0, 238, 255, 0.8);
  border-bottom: 2px solid rgba(0, 238, 255, 0.5);
  display: inline-block;
  padding-bottom: 5px;
}

section p,
section li,
section dd {
  line-height: 1.6;
  color: #d8e3ff;
}

a {
  color: #00e0ff;
  text-decoration: none;
}

a:hover {
  text-shadow: 0 0 10px #00e0ff;
}

footer {
  text-align: center;
  margin: 80px 0 40px;
  background: rgba(0, 0, 20, 0.5);
  border-top: 1px solid rgba(0, 255, 255, 0.1);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 0 25px rgba(0, 255, 255, 0.1);
}

footer span {
  font-size: 17px;
  color: #d8e3ff;
}

footer a img {
  transition: transform 0.4s ease, filter 0.4s ease;
  vertical-align: middle;
  filter: drop-shadow(0 0 8px #00e0ff);
}

footer a img:hover {
  transform: scale(1.2);
  filter: drop-shadow(0 0 20px #00e0ff);
}

footer p {
  margin-top: 15px;
}

footer p a {
  color: #00e0ff;
  font-weight: 600;
}