/* ════ X스타일 랜딩 페이지 ════ */
.landing-page {
  display: none;
  position: fixed; inset: 0; z-index: 500;
  background: #000;
  overflow: hidden;
}
.landing-page.show { display: flex; }

.landing-left {
  flex: 1; display: flex; align-items: center; justify-content: center;
  padding: 40px;
}
.landing-logo-big {
  font-family: 'Gmarket Sans', 'Noto Sans KR', sans-serif;
  font-size: clamp(60px, 10vw, 120px);
  font-weight: 900; color: #fff;
  letter-spacing: -4px; line-height: 1;
  text-align: center;
}
.landing-logo-sub {
  font-size: 18px; color: rgba(255,255,255,.5);
  margin-top: 12px; text-align: center;
  font-family: 'Noto Sans KR', sans-serif;
}

.landing-right {
  width: 480px; display: flex; flex-direction: column;
  justify-content: center; padding: 60px 48px;
  border-left: 1px solid rgba(255,255,255,.1);
}
.landing-tagline {
  font-family: 'Gmarket Sans', 'Noto Sans KR', sans-serif;
  font-size: clamp(28px, 4vw, 42px); font-weight: 700;
  color: #fff; margin-bottom: 40px; line-height: 1.2;
  letter-spacing: -1px;
}
.landing-section-title {
  font-size: 18px; font-weight: 700; color: #fff;
  margin-bottom: 16px;
}
.social-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; padding: 14px 20px; border-radius: 100px;
  font-size: 15px; font-weight: 700; cursor: pointer;
  font-family: 'Noto Sans KR', sans-serif; transition: all .2s;
  margin-bottom: 10px; border: 1.5px solid rgba(255,255,255,.3);
  background: rgba(255,255,255,.08); color: #fff;
}
.social-btn:hover { background: rgba(255,255,255,.15); border-color: rgba(255,255,255,.5); }
.social-btn.google  { background:#fff; color:#000; border-color:#ddd; }
.social-btn.google:hover  { background:#f5f5f5; }
.social-btn.kakao   { background:#FEE500; color:#3A1D1D; border-color:#FEE500; }
.social-btn.kakao:hover   { background:#f0d800; }
.social-btn.naver   { background:#03C75A; color:#fff; border-color:#03C75A; }
.social-btn.naver:hover   { background:#02b050; }
.landing-divider {
  display: flex; align-items: center; gap: 12px;
  margin: 16px 0; color: rgba(255,255,255,.4); font-size: 13px;
}
.landing-divider::before, .landing-divider::after {
  content: ''; flex: 1; height: 1px; background: rgba(255,255,255,.15);
}
.landing-email-btn {
  width: 100%; padding: 14px; border-radius: 100px;
  font-size: 15px; font-weight: 700; cursor: pointer;
  font-family: 'Noto Sans KR', sans-serif; transition: all .2s;
  background: #fff; color: #000; border: none; margin-bottom: 6px;
}
.landing-email-btn:hover { background: #e8e8e8; }
.landing-terms {
  font-size: 11px; color: rgba(255,255,255,.35);
  line-height: 1.6; margin-bottom: 32px;
}
.landing-login-section { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; }
.landing-login-label { font-size: 16px; color: #fff; font-weight: 700; margin-bottom: 14px; }
.landing-login-btn {
  width: 100%; padding: 13px; border-radius: 100px;
  font-size: 15px; font-weight: 700; cursor: pointer;
  font-family: 'Noto Sans KR', sans-serif; transition: all .2s;
  background: transparent; color: #fff;
  border: 1.5px solid rgba(255,255,255,.4);
}
.landing-login-btn:hover { border-color: #fff; background: rgba(255,255,255,.05); }

@media (max-width: 768px) {
  .landing-left { display: none; }
  .landing-right { width: 100%; padding: 48px 28px; border-left: none; }
  .landing-tagline { font-size: 28px; }
}

/* ════ X스타일 단계별 가입 모달 ════ */
.signup-flow {
  display: none; position: fixed; inset: 0; z-index: 600;
  background: rgba(0,0,0,.7); backdrop-filter: blur(8px);
  align-items: center; justify-content: center; padding: 20px;
}
.signup-flow.show { display: flex; }
.signup-modal {
  background: #000; border: 1px solid rgba(255,255,255,.15);
  border-radius: 20px; width: 100%; max-width: 600px;
  max-height: 90vh; overflow-y: auto;
  padding: 32px; position: relative;
  animation: mIn .25s cubic-bezier(.4,0,.2,1);
}
.signup-modal::-webkit-scrollbar { display: none; }
.signup-progress {
  height: 3px; background: rgba(255,255,255,.1);
  border-radius: 2px; margin-bottom: 32px; overflow: hidden;
}
.signup-progress-bar {
  height: 100%; background: var(--accent2);
  border-radius: 2px; transition: width .4s cubic-bezier(.4,0,.2,1);
}
.signup-back-btn {
  position: absolute; top: 24px; left: 24px;
  background: transparent; border: none; color: #fff;
  font-size: 20px; cursor: pointer; padding: 6px;
  border-radius: 50%; transition: background .15s;
  line-height: 1;
}
.signup-back-btn:hover { background: rgba(255,255,255,.1); }
.signup-step { display: none; }
.signup-step.active {
  display: block;
  animation: slideIn .3s cubic-bezier(.4,0,.2,1);
}
@keyframes slideIn {
  from { opacity:0; transform:translateX(30px); }
  to   { opacity:1; transform:translateX(0); }
}
.signup-step-title {
  font-family: 'Gmarket Sans', 'Noto Sans KR', sans-serif;
  font-size: 26px; font-weight: 700; color: #fff;
  margin-bottom: 8px; letter-spacing: -.5px;
}
.signup-step-sub { font-size: 14px; color: rgba(255,255,255,.5); margin-bottom: 28px; }
.sf-input {
  width: 100%; padding: 14px 16px;
  background: transparent; border: 1.5px solid rgba(255,255,255,.2);
  border-radius: 6px; color: #fff; font-size: 17px;
  font-family: 'Noto Sans KR', sans-serif; outline: none;
  transition: border-color .15s; margin-bottom: 8px;
  caret-color: var(--accent2);
}
.sf-input:focus { border-color: var(--accent2); }
.sf-input::placeholder { color: rgba(255,255,255,.3); }
.sf-input-label {
  font-size: 12px; color: rgba(255,255,255,.4);
  margin-bottom: 6px; display: block;
  font-family: 'DM Mono', monospace; letter-spacing: .5px; text-transform: uppercase;
}
.sf-next-btn {
  width: 100%; padding: 15px; border-radius: 100px;
  font-size: 16px; font-weight: 700; cursor: pointer;
  font-family: 'Noto Sans KR', sans-serif; transition: all .2s;
  background: #fff; color: #000; border: none; margin-top: 20px;
}
.sf-next-btn:hover { background: #e8e8e8; transform: translateY(-1px); }
.sf-next-btn:disabled { background: rgba(255,255,255,.2); color: rgba(255,255,255,.3); cursor: not-allowed; transform: none; }

/* 관심 카테고리 선택 */
.interest-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 10px;
  margin-bottom: 8px;
}
.interest-item {
  padding: 14px 8px; border-radius: 12px; text-align: center;
  border: 1.5px solid rgba(255,255,255,.15); background: transparent;
  cursor: pointer; transition: all .15s; color: #fff;
  font-family: 'Noto Sans KR', sans-serif; font-size: 13px; font-weight: 600;
}
.interest-item:hover { border-color: rgba(255,255,255,.4); background: rgba(255,255,255,.05); }
.interest-item.selected { background: #fff; color: #000; border-color: #fff; }
.interest-item-icon { font-size: 24px; margin-bottom: 6px; display: block; }

/* 완료 화면 */
.signup-complete-icon {
  font-size: 64px; text-align: center; margin-bottom: 20px;
  animation: bounce .6s cubic-bezier(.175,.885,.32,1.6);
}
@keyframes bounce {
  from { transform: scale(0); opacity:0; }
  to   { transform: scale(1); opacity:1; }
}
.temp-start-anim {
  text-align: center; margin: 24px 0;
  font-family: 'DM Mono', monospace; font-size: 32px; font-weight: 700;
  color: #f5a623; animation: pulse-badge 1s infinite alternate;
}