/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body, html {
  height: 100%;
  font-family: 'Orbitron', sans-serif;
  color: #ffffff;
  background-color: transparent; /* Deep space blue #0b0f2f*/
  overflow-x: hidden;
  position: relative;
}

/* Background Video */
#bg-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh; /* Only fill 1 screen */
  object-fit: cover;
  z-index: -2;
  pointer-events: none; /* Prevent video from blocking clicks */
}



/* Optional: Twinkling Stars Overlay (image-based) */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 200%;
  height: 200%;
  background: url('https://www.transparenttextures.com/patterns/stardust.png') repeat;
  animation: twinkle 100s linear infinite;
  z-index: -1;
  opacity: 0.2;
}


@keyframes twinkle {
  from { transform: translate(0, 0); }
  to { transform: translate(-500px, -500px); }
}

/* Overlay Wrapper */
.overlay {
  background: rgba(0, 0, 0, 0.5);
  min-height: 100vh;
  padding: 20px 50px;
}

/* Navbar */
/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background-color: #070b23;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  padding: 0 20px;
  box-sizing: border-box;
}

/* Logo (left) */
.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #0ff;
}

.logo a {
  color: #0ff;
  text-decoration: none;
}

/* Center nav links */
.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
  align-items: center;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 7px;
}

.nav-links a {
  color: whitesmoke;
  text-decoration: none;
  font-size: 17px;
}

.nav-links a:hover {
  color: #0ff;
}

/* Right actions: login, signup, profile */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.signup-btn {
  background-color: #0ff;
  color: #000;
  padding: 6px 12px;
  border-radius: 5px;
  font-weight: bold;
  transition: 0.3s;
}

.nav-actions-links {
  color: whitesmoke;
  font-size: 17px;
}

.nav-actions a {
  text-decoration: none;
  white-space: nowrap;
}

.nav-actions a:hover {
  color: #0ff;
}

.signup-btn:hover {
  background-color: #00c9c9;
}

.hamburger {
  display: none; /* hide by default */
}

@media (max-width: 800px) {
  .hamburger {
    display: block;
    font-size: 28px;
    cursor: pointer;
    color: #0ff;
    z-index: 1001;
  }

  .mobile-nav {
    display: none;
    flex-direction: column;
    background-color: #070b23;
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;

  }

  .mobile-nav.active {
    display: flex;
  }

  .mobile-nav .nav-links,
  .mobile-nav .nav-actions {
    display: flex !important; /* force show in mobile dropdown */
    flex-direction: column;
    align-items: center;
    gap: 12px;
    width: 100%;
  }

  
  /* Force vertical layout */
  .nav-links,
  .nav-actions {
    position: static;      /* remove absolute from desktop */
    transform: none;       /* remove translateX from desktop */
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    width: 100%;
    margin: 0;
    padding: 0;
  }

  .nav-links li {
    width: 100%;
    text-align: center;
  }

  .nav-links a,
  .nav-actions a {
    display: block;
    width: 100%;
    padding: 10px 0;
    color: white;
    text-align: center;
  }

  /* Smaller signup button in mobile */
  .nav-actions .signup-btn {
    width: auto;
    min-width: 120px;
    max-width: 160px;
  }

  .mobile-nav a {
    color: white;
    padding: 0.75rem;
    text-align: center;
  }
}
/* Hero Section */
.hero {
  text-align: center;
  margin-top: 33vh;
}

.hero h1 {
  font-size: 3.5rem;
  color: #fff;
  text-shadow: 0 0 15px #0ff;
}

.hero p {
  font-size: 1.4rem;
  margin: 20px;
  margin-bottom: 20px;
  color: #ccc;
}

.hero-buttons {
  margin-top: 35px;
}

.hero .btn {
  text-decoration: none;
  background: #0ff;
  color: #000;
  padding: 10px 20px;
  margin: 0 10px;
  border-radius: 25px;
  font-weight: bold;
  transition: 0.3s;
}

.hero .btn:hover {
  background: #00cccc;
  transform: scale(1.05);
}

/* Daily Facts Section */
.fact-section {
  background-color: #070b23;
  padding: 2rem;
  text-align: center;
  color: white;
}

.fact-heading {
  font-size: 2rem;
  color: #38bdf8;
  text-shadow: 0 0 10px #00f0ff;
  margin-bottom: 1.5rem;
}

.fact-card {
  background-color: #1e293b;
  border-radius: 1rem;
  box-shadow: 0 0 15px rgba(14, 165, 233, 0.3);
  max-width: 400px;
  margin: 0 auto;
  padding: 1rem;
  transition: transform 0.2s ease;
}

.fact-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 0.5rem;
}

.fact-text {
  margin-top: 0.75rem;
  font-size: 1rem;
}

.next-btn {
  margin-top: 1rem;
  background: linear-gradient(to right, #06b6d4, #3b82f6);
  color: white;
  border: none;
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  border-radius: 30px;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.next-btn:hover {
  transform: scale(1.05);
}


/* Footer */
footer {
  background: #000209f7;
  top: 0;
  padding-top: 50px;
  text-align: center;
  color: #aaa;
  border-top: 1px solid #222;
  /* margin-top: 60px; */
  font-size: 0.95rem;
  padding-bottom: 50px;
}

footer .quote {
  font-style: italic;
  color: whitesmoke;
  margin-bottom: 15px;
  font-size: 1.05rem;
}

.footer-links {
  margin: 15px 0;
  display: flex;
  justify-content: center;
  gap: 25px;
  flex-wrap: wrap;
}

.footer-links a {
  text-decoration: none;
  color: rgba(245, 245, 245, 0.96);
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  transition: 0.3s;
}

.footer-links a:hover {
  color: #0ff;
}

.footer-links img {
  filter: brightness(1.2);
  transition: transform 0.3s;
}

.footer-links a:hover img {
  transform: scale(1.1);
}

footer .credit {
  color: #888;
  margin-top: 10px;
}


/* --- Add this near the bottom of your CSS file --- */

/* Responsive Utilities */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.8rem;
  }
  .hero p {
    font-size: 1.2rem;
  }
  .fact-card {
    max-width: 90%;
  }
}

@media (max-width: 768px) {
  .hero {
    margin-top: 20vh;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1rem;
    margin: 10px;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .hero .btn {
    margin: 10px auto;
    display: inline-block;
    width: 80%;
    text-align: center;
  }

  .fact-section {
    padding: 1.5rem 1rem;
  }

  .fact-image {
    height: 180px;
  }

  .footer-links {
    flex-direction: column;
    gap: 15px;
  }
}

@media (max-width: 480px) {
  .overlay {
    padding: 15px;
  }

  .fact-text {
    font-size: 0.95rem;
  }

  .next-btn {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
  }

  .footer .quote {
    font-size: 1rem;
  }

  footer .credit {
    font-size: 0.85rem;
  }
}

/* Chat Icon */
.chat-icon {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #007bff;
    color: white;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    z-index: 1000;
}

/* Chatbot Box */
.chatbot-box {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 350px;
    height: 500px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    display: none;
    flex-direction: column;
    overflow: hidden;
    z-index: 1000;
}

.chatbot-box iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Chatbot container styling */
#chatbot-container {
    position: fixed;
    bottom: 80px; /* space above the icon */
    right: 20px;
    width: 350px; /* fixed width */
    height: 500px; /* fixed height */
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    display: none; /* hidden by default */
    flex-direction: column;
    overflow: hidden;
    z-index: 9999;
}