/* ===== FONT & BASE ===== */
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  color: #fff;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* ===== 3D BACKGROUND ===== */
#threejs-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

/* ===== CONTAINER ===== */
.container {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 50px 60px;
  text-align: center;
  backdrop-filter: blur(20px);
  box-shadow: 0 0 50px rgba(0, 230, 255, 0.1);
  max-width: 500px;
  width: 90%;
  animation: fadeIn 1.5s ease;
}

/* ===== LOGO TEXT ===== */
.logo-text {
  font-size: 2.5em;
  font-weight: 700;
  letter-spacing: 1px;
  background: linear-gradient(90deg, #00e6ff, #0072ff, #00ffcc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 15px rgba(0, 230, 255, 0.6);
  margin-bottom: 5px;
}
.logo-text span {
  color: #fff;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.4);
}

/* ===== SUBTITLE ===== */
.subtitle {
  font-size: 1.1em;
  color: #b0b0b0;
  margin-bottom: 25px;
}

/* ===== TERMS ===== */
.terms-label {
  font-size: 0.95em;
  color: #ccc;
  display: inline-block;
  margin-bottom: 20px;
}
.terms-label input {
  transform: scale(1.2);
  margin-right: 8px;
}
.terms-label a {
  color: #00e6ff;
  text-decoration: none;
  font-weight: 500;
}
.terms-label a:hover {
  text-decoration: underline;
}

/* ===== BUTTONS ===== */
.buttons {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 15px;
}
button {
  font-size: 1em;
  padding: 14px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  background: linear-gradient(90deg, #00e6ff, #0072ff);
  color: #fff;
  transition: all 0.3s ease;
  box-shadow: 0 0 20px rgba(0, 230, 255, 0.2);
}
button:hover:not(:disabled) {
  transform: scale(1.05);
  box-shadow: 0 0 30px rgba(0, 230, 255, 0.5);
}
button:disabled {
  background: rgba(255, 255, 255, 0.08);
  color: #777;
  cursor: not-allowed;
  box-shadow: none;
}

/* ===== FADE IN ===== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(25px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 480px) {
  .container {
    padding: 40px 25px;
  }
  .logo-text {
    font-size: 2em;
  }
}