/* ============ Pre-registration event [V2-4] — 이메일·휴대전화번호 수집 + 넥타르 추가 지급 안내 ============ */
.prereg {
  position: relative;
  z-index: 1;
}
.prereg .glow {
  width: 560px;
  height: 560px;
  background: var(--primary);
  top: 10%;
  left: -160px;
  opacity: 0.28;
}
.prereg-card {
  position: relative;
  display: grid;
  /* [H4] 신청 폼이 모달로 옮겨져 오른쪽은 버튼 영역뿐 → 설명 칸을 넓혀 문장별 한 줄 유지 */
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 56px;
  align-items: start;
  padding: 56px;
  border-radius: 34px;
  background:
    radial-gradient(70% 90% at 0% 0%, rgba(248, 87, 180, 0.18), transparent 60%),
    linear-gradient(160deg, rgba(43, 1, 135, 0.55), rgba(20, 18, 37, 0.9));
  border: 1px solid rgba(248, 87, 180, 0.28);
  box-shadow: var(--shadow);
}
.prereg-head {
  grid-column: 1 / -1; /* [T3] 제목은 카드 전체 폭 */
  margin-bottom: -26px; /* 아래 두 칸과의 간격을 grid gap(56px)보다 좁게 */
}
.prereg-head h2 {
  --fs: clamp(30px, 4.2vw, 48px);
  font-size: var(--fs);
  margin: 18px 0 18px;
}
.prereg-lede {
  color: var(--muted);
  font-size: 17px;
  margin-bottom: 26px;
  text-wrap: pretty;
}
.prereg-benefits {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.prereg-benefits li {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 16px 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
}
.prereg-benefits .ic {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  font-size: 20px;
  background: var(--grad);
}
.prereg-benefits b {
  display: block;
  color: #fff;
  font-size: 16px;
}
.prereg-benefits span {
  color: var(--muted);
  font-size: 14px;
}
.prereg-note {
  color: var(--muted-2);
  font-size: 13px;
  line-height: 1.7;
}

/* 신청 폼 */
.prereg-panel {
  border-radius: 24px;
  background: rgba(13, 11, 26, 0.72);
  border: 1px solid var(--line);
  padding: 32px 30px;
}
.prereg-form h3,
.prereg-done h3 {
  font-size: 22px;
  color: #fff;
  margin-bottom: 20px;
}
.field {
  margin-bottom: 14px;
}
.field label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 7px;
}
.field input {
  width: 100%;
  font: inherit;
  font-size: 16px; /* iOS 확대 방지 */
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  padding: 13px 14px;
  transition:
    border-color 0.18s,
    box-shadow 0.18s;
}
.field input::placeholder {
  color: var(--muted-2);
}
.field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(248, 87, 180, 0.2);
}
.field input[aria-invalid='true'] {
  border-color: #ff6b9a;
}
.field-err {
  min-height: 0;
  margin-top: 6px;
  font-size: 12.5px;
  color: #ff8fb4;
}
.field-err:empty {
  display: none;
}
.hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.consents {
  border: 0;
  margin: 20px 0 22px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ck-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--ink);
  cursor: pointer;
}
.ck-row input {
  flex: none;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--accent);
  cursor: pointer;
}
.ck-row em {
  font-style: normal;
  font-weight: 800;
  color: var(--accent);
}
.ck-all {
  font-weight: 800;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.ck-item {
  display: flex;
  flex-direction: column;
}
.ck-detail {
  margin: 6px 0 0 28px;
  font-size: 12.5px;
  color: var(--muted);
}
.ck-detail summary {
  cursor: pointer;
  width: fit-content;
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.ck-detail dl {
  margin: 10px 0 8px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
}
.ck-detail dt {
  font-weight: 700;
  color: var(--ink);
}
.ck-detail dd {
  margin: 0;
}
.prereg-submit {
  width: 100%;
  font-size: 17px;
  padding: 16px 26px;
}
.prereg-submit[disabled] {
  opacity: 0.6;
  cursor: progress;
  transform: none;
}
.form-status {
  margin-top: 12px;
  font-size: 13.5px;
  text-align: center;
  color: var(--petal);
}
.form-status:empty {
  display: none;
}
.prereg-done {
  text-align: center;
  padding: 30px 6px;
}
.prereg-done:focus {
  outline: none;
}
.done-ico {
  font-size: 46px;
  margin-bottom: 10px;
}
.prereg-done p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}
.prereg-done b {
  color: #fff;
}

/* ---- [V2-5] 섹션의 신청 버튼 영역 (폼은 모달로 이동) ---- */
.prereg-cta {
  align-self: center;
  text-align: center;
  padding: 40px 32px;
  border-radius: 24px;
  background: rgba(13, 11, 26, 0.6);
  border: 1px solid var(--line);
}
.pc-ico {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  color: #fff; /* [I1] 단색 흰 선물 아이콘 */
  background: var(--grad);
  box-shadow: 0 16px 40px -16px rgba(248, 87, 180, 0.7);
}
.pc-ico svg {
  width: 30px;
  height: 30px;
}
.pc-title {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: #fff;
  margin-bottom: 22px;
}
.prereg-open {
  width: 100%;
  max-width: 340px;
  font-size: 17px;
  padding: 17px 26px;
}

/* ---- [V2-5] 신청 모달 ---- */
.prereg-modal {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  width: min(480px, calc(100% - 32px));
  max-width: none;
  max-height: calc(100dvh - 32px);
  overflow: visible;
}
.prereg-modal::backdrop {
  background: rgba(8, 6, 18, 0.74);
  backdrop-filter: blur(6px);
}
.prereg-modal[open] {
  animation: pm-in 0.22s ease-out;
}
@keyframes pm-in {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .prereg-modal[open] {
    animation: none;
  }
}
.pm-body {
  position: relative;
  max-height: calc(100dvh - 32px);
  overflow-y: auto;
  overscroll-behavior: contain;
  background: #17142d; /* 모달은 뒤가 비치지 않게 불투명 */
  border-color: rgba(248, 87, 180, 0.28);
  box-shadow: var(--shadow);
}
.pm-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  cursor: pointer;
  display: grid;
  place-items: center;
}
.pm-close:hover {
  border-color: var(--accent);
  color: #fff;
}
.pm-close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.prereg-form h3 {
  padding-right: 44px; /* 닫기 버튼과 겹치지 않게 */
}
.pm-done-close {
  margin-top: 22px;
  min-width: 160px;
}
/* 모달이 열린 동안 뒤 페이지 스크롤 잠금 */
html:has(.prereg-modal[open]) {
  overflow: hidden;
}