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

body {
  font-family: 'Segoe UI', sans-serif;
  background: #000;
  color: white;
  overflow-x: hidden;
  transition: background 0.6s ease, color 0.6s ease;
}

/* NAVBAR */
.navbar {
  display: flex;
  justify-content: space-between;
  padding: 20px 50px;
  position: fixed;
  width: 100%;
  z-index: 10;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(10px);
}

.logo {
  font-size: 22px;
  color: #66fcf1;
  font-weight: bold;
}

nav a {
  margin: 0 15px;
  color: #66fcf1;
  text-decoration: none;
  transition: 0.3s;
}

nav a:hover {
  color: white;
}

.btn {
  padding: 8px 15px;
  background: #66fcf1;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

/* HERO */
.hero {
  height: 100vh;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 0 80px;
}

.hero-text h1 {
  font-size: 60px;
}

.hero-text p {
  margin: 20px 0;
  font-size: 20px;
}

.explore-btn {
  padding: 12px 30px;
  background: #45a29e;
  border-radius: 30px;
  text-decoration: none;
  color: white;
}

/* FLOATING EARTH */
.earth-container {
  perspective: 1000px;
}

.earth {
  width: 300px;
  height: 300px;
  background: url("../assets/earth.jpg") no-repeat center/cover;
  border-radius: 50%;
  animation: rotate 20s linear infinite, float 4s ease-in-out infinite;
  box-shadow: 0 0 50px #00f7ff;
}

/* ROTATION */
@keyframes rotate {
  from { transform: rotateY(0deg); }
  to { transform: rotateY(360deg); }
}

/* FLOATING */
@keyframes float {
  0%,100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* STARS - DISABLED */
.stars, .stars2, .stars3 {
  display: none;
}



/* SCROLL REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: 1s;
}

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

/* FOOTER */
footer {
  text-align: center;
  padding: 20px;
  background: #111;
}

/* LIGHT MODE */
body.light-mode {
  background: #f4f4f4;
  color: black;
}

body.light-mode .navbar {
  background: rgba(255,255,255,0.6);
}