body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', sans-serif;
    background: radial-gradient(circle at top, #0f172a, #020617);
    color: #e2e8f0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.headerin {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(10px);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(96,165,250,0.3);
}

.headerin h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.6rem;
    margin: 0;
}

.higlight {
    color: #60a5fa;
}

.headerin p {
    font-size: 0.8rem;
    color: #94a3b8;
    margin-top: 5px;
}

.headerin a {
    color: white;
    text-decoration: none;
    font-family: 'Orbitron', sans-serif;
    padding: 6px 14px;
    border: 1px solid rgba(96,165,250,0.4);
    border-radius: 8px;
    transition: 0.3s;
}

.headerin a:hover {
    background: #3b82f6;
    box-shadow: 0 0 15px rgba(59,130,246,0.6);
}

main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.main-div1 {
    background: linear-gradient(145deg, #1e293b, #0f172a);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    max-width: 600px;
    width: 100%;
    border: 1px solid rgba(96,165,250,0.2);
    box-shadow: 0 15px 50px rgba(0,0,0,0.6);
    transition: 0.3s;
}

.main-div1:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(59,130,246,0.2);
}

.main-h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    margin-bottom: 15px;
    color: #ffffff;
    text-shadow: 0 0 10px rgba(96,165,250,0.5);
}

.main-p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 25px;
    color: #cbd5e1;
}

.btn {
    display: inline-block;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    text-decoration: none;
    padding: 12px 30px;
    border-radius: 8px;
    font-weight: bold;
    font-family: 'Orbitron', sans-serif;
    transition: 0.3s;
    box-shadow: 0 5px 20px rgba(59,130,246,0.3);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(59,130,246,0.5);
}

.main-p2 {
    margin-top: 20px;
    font-size: 0.9rem;
    color: #64748b;
    letter-spacing: 1px;
}

.ft {
    background-color: #020617;
    text-align: center;
    padding: 20px;
    font-size: 0.9rem;
    color: #64748b;
    border-top: 1px solid rgba(96,165,250,0.2);
}


.popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  justify-content: center;
  align-items: center;
  background: rgba(2,6,23,0.7);
  backdrop-filter: blur(8px);
  z-index: 999;
}

.popup-box {
  background: linear-gradient(145deg, #0f172a, #1e293b);
  padding: 20px 30px;
  border-radius: 16px;
  width: 300px;
  color: #e2e8f0;
  position: relative;
  text-align: center;
  border: 1px solid rgba(96,165,250,0.2);
  box-shadow: 
    0 0 20px rgba(96,165,250,0.2),
    0 0 40px rgba(96,165,250,0.1);
  animation: fadeIn 0.3s ease;
}

.popup-box h3 {
  margin-bottom: 15px;
  color: #60a5fa;
}

.popup-box p {
  margin: 8px 0;
  font-size: 14px;
  opacity: 0.85;
}

.close {
  position: absolute;
  top: 30px;
  right: 14px;
  cursor: pointer;
  font-size: 18px;
  color: #94a3b8;
  transition: 0.2s;
}

.close:hover {
  color: #60a5fa;
  transform: scale(1.2);
}