/* --- 1. GLOBAL STYLES --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
  background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), 
              url("../1.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- 2. NAVIGATION --- */
nav {
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(15px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 8%;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #0ff;
  font-size: 1.5rem;
  font-weight: bold;
  letter-spacing: 1px;
}

.nav-logo {
  width: 85px;
  height: 85px;
  object-fit: contain;
  border-radius: 8px;
}

.logo b { color: #0ff; }

.nav-links { display: flex; list-style: none; gap: 25px; }

.nav-links a { 
  color: #0ff; 
  text-decoration: none; 
  font-size: 0.9rem; 
  position: relative; 
  transition: 0.3s; 
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: #0ff;
  transition: width 0.3s;
}

.nav-links a:hover::after { width: 100%; }

/* --- 3. MAIN CARD & CONTAINER --- */
.container {
  display: flex;
  justify-content: center;
  align-items: flex-start; 
  padding-top: 80px;
  flex: 1;
}

.card {
  background: rgba(255, 255, 255, 0.15); 
  backdrop-filter: blur(15px); 
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 50px;
  border-radius: 24px;
  box-shadow: 0 25px 50px rgba(0,0,0,0.5);
  text-align: center;
  max-width: 500px;
  width: 90%;
}

h1 { 
  color: #0ff; 
  margin-bottom: 20px; 
  font-size: 2.5rem; 
  text-shadow: 0 0 10px rgba(0,255,255,0.3); 
}

/* --- 4. COUNTDOWN --- */
.countdown-container {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 35px;
}

.time-box {
  background: rgba(255, 255, 255, 0.1);
  padding: 12px;
  border-radius: 12px;
  min-width: 80px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.time-box span {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: #0ff;
}

.time-box small { font-size: 0.7rem; color: #ddd; text-transform: uppercase; }

@keyframes pulse {
  0% { transform: scale(1); color: #0ff; }
  50% { transform: scale(1.15); color: #fff; }
  100% { transform: scale(1); color: #0ff; }
}

.animate-pop { animation: pulse 0.3s ease-out; }

/* --- 5. BUTTON --- */
.cta-button {
  background: #0ff;
  color: black;
  border: none;
  padding: 15px 45px;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 10px 20px rgba(0, 255, 255, 0.2);
  width: 100%;
}

.cta-button:hover {
  background: #00cccc;
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(0, 255, 255, 0.3);
}

.cta-button:active {
  transform: scale(0.98);
}

/* --- 6. RESPONSIVENESS --- */
@media (max-width: 600px) {
  nav { 
    flex-direction: column; 
    gap: 20px; 
    padding: 1.5rem; 
  }

  .logo {
    flex-direction: column;
    text-align: center;
    width: 100%;
  }

  .nav-links { 
    gap: 15px; 
    justify-content: center;
    width: 100%;
  }

  .countdown-container { gap: 8px; }
  .time-box { min-width: 65px; padding: 8px; }
  h1 { font-size: 1.8rem; }
}