* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  font-family: Arial, Helvetica, sans-serif;
}

.hero {
  height: 100vh;
  background-image: url("assets/hero.jpg");
  background-size: cover;
  background-position: center;
  position: relative;
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.35);

  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.content {
  color: white;
  max-width: 900px;
  padding: 20px;
}

h1 {
  font-size: 5rem;
  margin-bottom: 10px;
  letter-spacing: 4px;
}

.byline {
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.tagline {
  font-size: 1rem;
  opacity: 0.85;
  margin-bottom: 30px;
}

.subtitle {
  font-size: 1.8rem;
  margin-bottom: 40px;
}

.start-button,
.join-button {
  border: none;
  border-radius: 12px;
  padding: 20px 50px;
  font-size: 1.3rem;
  cursor: pointer;
  transition: 0.2s;
  margin: 8px;
  min-width: 260px;
}

.start-button {
  background: #00c853;
  color: white;
}

.join-button {
  background: white;
  color: #111;
}

.start-button:hover,
.join-button:hover {
  transform: scale(1.05);
}

.status {
  margin-top: 20px;
  font-size: 1rem;
}

.hidden {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);

  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: #111;
  color: white;
  width: 90%;
  max-width: 520px;
  border-radius: 20px;
  padding: 30px;
  text-align: center;
  border: 2px solid #333;
}

.modal-content h2 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.modal-content p {
  opacity: 0.8;
  margin-bottom: 20px;
}

.modal-content input {
  width: 100%;
  font-size: 1rem;
  padding: 16px;
  border-radius: 10px;
  border: none;
  margin-bottom: 20px;
}

.modal-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.join-confirm,
.join-cancel {
  border: none;
  border-radius: 10px;
  padding: 14px 28px;
  font-size: 1rem;
  cursor: pointer;
}

.join-confirm {
  background: #00c853;
  color: white;
}

.join-cancel {
  background: #555;
  color: white;
}

.join-error {
  color: #ff8080;
  margin-top: 15px;
  min-height: 20px;
}

@media (max-width: 768px) {
  h1 {
    font-size: 3rem;
  }

  .subtitle {
    font-size: 1.2rem;
  }

  .start-button,
  .join-button {
    width: 100%;
    min-width: unset;
  }
}