:root {
  --color-black: #000000;
  --color-tan: #86745c;
  --color-light-tan: #c2baab;
  --color-dark-tan: #6a5c48;
  --color-white: #ffffff;
  --color-black-63: rgba(0, 0, 0, 0.63);
  --color-black-80: rgba(0, 0, 0, 0.8);
  --color-black-88: rgba(0, 0, 0, 0.88);
  --color-gold: #b19977;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #000000;
  color: white;

  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;

  overflow: hidden; /* prevents scroll from orbs */
}

/* INDEX */
.container {
  background: var(--color-black-63);
  padding: 40px;
  border-radius: 15px;
  text-align: center;
  width: 300px;
}

input, button {
  width: 100%;
  padding: 12px;
  margin-top: 15px;
  border-radius: 8px;
  border: none;
}

button {
  background: var(--color-gold);
  font-weight: bold;
  cursor: pointer;
}

/* MENU */
.menu-container {
  width: 90%;
  max-width: 600px;
  text-align: center;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.card {
  padding: 40px;
  background: var(--color-black-63);
  border-radius: 15px;
  border: 2px solid var(--color-gold);
  cursor: pointer;
  transition: 0.3s;
}

.card:hover {
  background: var(--color-gold);
  color: black;
}

/* QUIZ */
.quiz-container {
  width: 90%;
  max-width: 700px;
  background: var(--color-black-63);
  padding: 30px;
  border-radius: 15px;
}

.option {
  background: var(--color-dark-tan);
  margin: 10px 0;
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
}

.option:hover {
  background: var(--color-gold);
  color: black;
}

/* MOBILE */
@media (max-width: 600px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.6;
  animation: float 12s infinite ease-in-out;
}

.orb1 {
  width: 200px;
  height: 200px;
  background: #b19977;
  top: 10%;
  left: 10%;
}

.orb2 {
  width: 300px;
  height: 300px;
  background: #86745c;
  bottom: 10%;
  right: 10%;
  animation-delay: 3s;
}

.orb3 {
  width: 150px;
  height: 150px;
  background: #c2baab;
  top: 50%;
  left: 70%;
  animation-delay: 6s;
}

@keyframes float {
  0% { transform: translateY(0px) translateX(0px); }
  50% { transform: translateY(-40px) translateX(20px); }
  100% { transform: translateY(0px) translateX(0px); }
}

.orb {
  z-index: 0;
}

.container,
.menu-container,
.quiz-container {
  position: relative;
  z-index: 1;
}

.card:hover,
button:hover {
  box-shadow: 0 0 20px #b19977;
}

#matrixCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  background: black;
}

.container,
.menu-container,
.quiz-container {
  position: relative;
  z-index: 1;
}