body { font-family: sans-serif; background: #050505; color: #fff; padding: 15px; line-height: 1.4; }
        .container { max-width: 500px; margin: auto; border: 2px solid #00f0ff; padding: 15px; border-radius: 12px; box-shadow: 0 0 20px rgba(0,240,255,0.15); }

header h1 { color: #00f0ff; text-align: center; margin: 0; text-transform: uppercase; font-size: 1.5em; }
        .deadline { text-align: center; color: #ff4444; margin-bottom: 15px; font-size: 0.8em; font-weight: bold; }

table { width: 100%; border-collapse: separate; border-spacing: 4px; }
        .m-name { text-align: left; font-size: 14px; color: #888; border-bottom: 1px solid #222; padding: 12px 0 4px 4px; font-weight: bold; text-transform: uppercase; }
        .btn-opt { background: #111; border: 1px solid #333; padding: 10px 2px; text-align: center; cursor: pointer; border-radius: 6px; display: flex; flex-direction: column; transition: 0.2s; }
        .btn-opt input { display: none; }
        .t-nm { font-size: 9px; font-weight: bold; color: #aaa; margin-bottom: 2px; pointer-events: none; }
        .o-val { font-size: 1.1em; color: #00f0ff; font-weight: bold; pointer-events: none; }
        .btn-opt.selected { background: rgba(0, 240, 255, 0.2) !important; border-color: #00f0ff !important; box-shadow: 0 0 10px rgba(0,240,255,0.3); }
        .btn-opt.selected .t-nm, .btn-opt.selected .o-val { color: #fff; }
        .summary { background: #111; border: 1px dashed #333; border-radius: 8px; padding: 12px; margin: 15px 0; text-align: center; }
        .hl { color: #00f0ff; font-weight: bold; font-size: 1.3em; }
        input[type="text"], input[type="tel"], input[type="number"] { background: #111; border: 1px solid #333; color: #fff; padding: 12px; border-radius: 6px; width: 100%; box-sizing: border-box; margin-bottom: 8px; font-size: 14px; }
        .btn-sub { background: #00f0ff; color: #000; padding: 16px; cursor: pointer; border: none; font-weight: bold; border-radius: 6px; width: 100%; text-transform: uppercase; font-size: 1em; }

/* --- 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%; }

/* --- 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%;
  }
}