* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Arial', sans-serif;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: linear-gradient(to right, #0f2027, #203a43, #2c5364);
  color: #fff;
  overflow-y: auto;
}

#info-bar {
  width: 100%;
  padding: 10px;
  background: rgba(0,0,0,0.6);
  font-size: 0.9em;
  text-align: center;
}

h1 {
  font-size: 2.5em;
  text-align: center;
  margin: 40px 20px;
  background: linear-gradient(90deg, #ff6a00, #ee0979);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientMove 3s ease infinite;
}

@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.menu {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  width: 95%;
  max-width: 1200px;
  margin: 0 auto 80px auto;
}

.menu button {
  background: #1f3c50;
  border: none;
  padding: 20px;
  border-radius: 12px;
  color: #fff;
  font-size: 1.1em;
  cursor: pointer;
  transition: transform 0.2s, background 0.3s;
}

.menu button:hover {
  background: #ff6a00;
  transform: translateY(-5px);
}

.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.7);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.popup {
  background: #203a43;
  padding: 25px;
  border-radius: 15px;
  max-width: 500px;
  width: 90%;
  text-align: center;
  position: relative;
}

.popup h2 {
  margin-bottom: 15px;
}

.popup p {
  margin-bottom: 20px;
  font-size: 0.95em;
  line-height: 1.5;
}

.popup button {
  margin: 5px;
  padding: 10px 20px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.2s;
}

.popup .btn-close {
  background: #ff4e50;
  color: #fff;
}

.popup .btn-close:hover {
  background: #ff1c1c;
}

.popup .btn-go {
  background: #00c6ff;
  color: #000;
}

.popup .btn-go:hover {
  background: #009edc;
}

footer {
  width: 100%;
  text-align: center;
  padding: 10px 0;
  background: transparent;
  position: fixed;
  bottom: 0;
  left: 0;
  font-size: 0.9em;
}

@media(max-width: 600px){
  h1 {
    font-size: 2em;
    margin-bottom: 30px;
  }
  .menu button {
    padding: 15px;
    font-size: 1em;
  }
}