/* =========================/* ================= main 페이지 전용 설정
========================= */
body.main-page {
  background: #ffffff;
  color: #111;
  scroll-snap-type: y mandatory;
}

/* =========================
   ✅ 배경 (Blob 애니메이션)
========================= */
.bg {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.bg::before,
.bg::after {
  content: '';
  position: absolute;
  width: 650px;
  height: 650px;
  border-radius: 50%;
  filter: blur(100px);

  background: radial-gradient(circle, #6c63ff, transparent);
  animation: moveBlob 8s infinite ease-in-out;
}

.bg::after {
  left: 60%;
  top: 50%;
  background: radial-gradient(circle, #8b5cf6, transparent);
  animation-duration: 10s;
}

@keyframes moveBlob {
  0% {
    transform: translate(-30%, -30%) scale(1);
  }
  50% {
    transform: translate(30%, 20%) scale(1.25);
  }
  100% {
    transform: translate(-30%, -30%) scale(1);
  }
}

/* =========================
   ✅ 페이지 구조
========================= */
.page {
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;

  scroll-snap-align: start;
  text-align: center;
}

/* =========================
   ✅ HERO
========================= */
.hero {
  padding-top: 80px;
  height: calc(100vh - 80px); /* navbar 제외한 전체 높이 */

  display: flex;
  justify-content: center; /* 가로 중앙 */
  align-items: center; /* 세로 중앙 */
}

.hero-content {
  margin: 0; /* 기존 margin 제거 */
  text-align: center; /* 텍스트 중앙 */
}

.hero h1 {
  font-size: 64px;
}

.hero p {
  font-size: 30px;
  margin: 20px 0 30px;
  color: #787777;
}

.hero-btn {
  padding: 12px 20px;
  background: #6c63ff;
  color: white;
  border-radius: 10px;
  font-size: 18px;
}

.hero-btn:hover {
  background: #574fe8;
}

/* =========================
   ✅ ✅ 카드 wrapper (추가된 핵심)
========================= */
.big-card {
  margin-top: 30px;
  padding: 40px;

  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;

  border-radius: 20px;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(20px);

  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

/* ✅ card.css hover 살짝 강화 */
.big-card .card:hover {
  transform: translateY(-6px);
  box-shadow: 0 15px 40px rgba(108, 99, 255, 0.2);
}

/* =========================
   ✅ 텍스트 애니메이션 (수정됨)
========================= */
.section h2,
.section > p {
  opacity: 0;
  transform: translateY(40px);
  transition: 0.6s ease;
}

.section h2.show,
.section > p.show {
  opacity: 1;
  transform: translateY(0);
}

/* =========================
   ✅ TOP 버튼
========================= */
#topBtn {
  position: fixed;
  bottom: 30px;
  right: 30px;

  width: 50px;
  height: 50px;

  background: #6c63ff;
  color: white;

  border: none;
  border-radius: 50%;

  font-size: 18px;
  cursor: pointer;
  display: none;
}

#topBtn:hover {
  transform: translateY(-4px);
}

/* =========================
   ✅ 메인 페이지 header 투명
========================= */
body.main-page header {
  background: transparent;
  border-bottom: none;
  position: fixed;
  width: 100%;
  z-index: 1000;
}

/* ✅ 글자 색 */
body.main-page .logo {
  color: #111;
}

body.main-page .nav-links {
  color: #111;
}

/* ✅ 카드 애니메이션 (필수) */
.card {
  opacity: 0;
  transform: translateY(40px);
  transition: 0.6s ease;
}

.card.show {
  opacity: 1;
  transform: translateY(0);
}
.section h2 {
  font-size: 36px;
  margin-bottom: 10px;
}

.section > p {
  font-size: 18px;
  color: #787777;
}
.card {
  text-align: left;
}