body {
  margin: 0;
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto,
    "Helvetica Neue", Segoe UI, Apple SD Gothic Neo, Noto Sans KR, Malgun Gothic, "Apple Color Emoji",
    "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  background: linear-gradient(180deg, #4f46e5 0%, #7c3aed 50%, #a855f7 100%);
  color: #e5e7eb;
  overflow-x: hidden;
  min-height: 100vh;
  padding: 2rem 1rem 6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

h1 {
  text-align: center;
  margin-bottom: 1rem;
  font-weight: 900;
  font-size: 3rem;
  letter-spacing: 0.1em;
  text-shadow: 0 0 16px rgba(192,132,252,0.9);
}

/* 컨테이너: 중앙 정렬, max-width 제한 */
.container {
  max-width: 700px;
  width: 100%;
}

/* 구매 버튼 */
#buyButton {
  display: block;
  margin: 0 auto 3rem auto;
  background: linear-gradient(90deg, #c084fc, #a855f7);
  color: white;
  font-weight: 800;
  padding: 1.25rem 3rem;
  border-radius: 9999px;
  box-shadow: 0 0 30px rgba(192, 132, 252, 0.9);
  cursor: pointer;
  font-size: 1.5rem;
  border: none;
  transition: background-color 0.3s ease, transform 0.3s ease;
  white-space: nowrap;
}
#buyButton:hover {
  background: linear-gradient(90deg, #b572fc, #973ff7);
  transform: scale(1.1);
}

/* Q&A 리스트 스타일 */
.qa-list {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

/* 각 Q&A 아이템 */
.qa-item {
  background: rgba(31, 41, 55, 0.85);
  border-radius: 20px;
  padding: 1.5rem 2rem;
  box-shadow: 0 6px 20px rgba(0,0,0,0.35);
  max-width: 60%;
  animation: fadeDown 0.6s ease forwards;
  opacity: 0;
  transform: translateY(-20px);
}

/* 홀수: 왼쪽 정렬 */
.qa-item:nth-child(odd) {
  align-self: flex-start;
}

/* 짝수: 오른쪽 정렬 */
.qa-item:nth-child(even) {
  align-self: flex-end;
  background: rgba(55, 48, 96, 0.85);
}

/* 질문 스타일 */
.question {
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 0.6rem;
  color: #c084fc;
}

/* 답변 스타일 */
.answer {
  font-size: 1.05rem;
  line-height: 1.5;
  color: #ddd;
}

/* 애니메이션 키프레임 */
@keyframes fadeDown {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 이메일 푸터 */
footer {
  margin-top: auto;
  padding: 1.5rem 1rem;
  text-align: center;
  color: #d1c7f7;
  font-size: 1rem;
  user-select: text;
}

@media (max-width: 768px) {
 h1 {
    font-size: 2rem;      /* 제목 크기 줄임 */
    letter-spacing: 0.08em;
    margin-bottom: 1.5rem;
  }

  #buyButton {
    font-size: 1.1rem;    /* 버튼 폰트 크기 줄임 */
    padding: 0.75rem 2rem; /* 버튼 패딩 줄임 */
    max-width: 300px;     /* 버튼 최대 너비 줄임 */
    width: 90%;
    margin-bottom: 2rem;
  }

  .qa-list {
    gap: 2.5rem;
  }

  .qa-item {
    max-width: 85% !important; /* 너비 적당히 줄이고 */
    padding: 1.5rem 1.5rem;
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
  }

  .qa-item:nth-child(odd) {
    align-self: flex-start !important;
    margin-left: 1rem;
    margin-right: auto;
  }

  .qa-item:nth-child(even) {
    align-self: flex-end !important;
    margin-right: 1rem;
    margin-left: auto;
  }
}