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

body {
  font-family: 'Courier New', monospace;
  background: #0f111a;
  color: #cfd8dc;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
}

.container {
  max-width: 700px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.2rem; /* controls vertical rhythm */
}

.waitlist-card {
  background: #141823;
  border: 1px solid #263238;
  border-radius: 6px;
  padding: 1.6rem 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.waitlist-card .incentive {
  font-size: 0.95rem;
  color: #80deea;
  margin-bottom: 0;
  line-height: 1.4;
}

/* === TYPOGRAPHY (only 3 sizes) === */
h1 {
  font-size: 3.5rem;
  color: #00fff7;
  margin-bottom: 1.5rem;
  font-weight: bold;
}

p {
  font-size: 1.05rem;
  color: #cfd8dc;
  margin-bottom: 0;
}

a {
  color: #00fff7;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

a:hover {
  border-bottom-color: #00fff7;
}

/* === CONTENT SECTIONS === */
.problem,
.solution {
  margin-bottom: 0.8rem;
}

.track {
  color: #00fff7;
  background: rgba(0, 255, 247, 0.08);
  padding: 0.15rem 0.35rem;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
}

/* === FORM === */
#waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

#waitlist-form input {
  padding: 1rem;
  background: #141823;
  border: 1px solid #37474f;
  border-radius: 4px;
  color: #cfd8dc;
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  text-align: center;
}

#waitlist-form input:focus {
  outline: none;
  border-color: #00fff7;
}

#waitlist-form input::placeholder {
  color: #607d8b;
}

#waitlist-form button {
  padding: 1rem 2rem;
  background: #00fff7;
  color: #0f111a;
  border: none;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 1rem;
  margin-top: 0.2rem;
}

#waitlist-form button:hover {
  background: #80deea;
  transform: translateY(-2px);
}

/* === FOOTER === */
.footer {
  font-size: 0.9rem;
  color: #607d8b;
}

/* === RESPONSIVE === */
@media (max-width: 600px) {
  h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
  }

  p {
    font-size: 1rem;
  }

  body {
    padding: 1.5rem;
  }
}