/* ================================================================
   귀멸의 칼날 상현 닮은꼴 — 공유 베이스 스타일
   ================================================================ */

:root {
  --crimson: #c0392b;
  --deep-crimson: #7b1010;
  --gold: #f0c040;
  --gold-glow: #ffd700;
  --purple: #5c0a8a;
  --dark-bg: #05050f;
  --card-bg: rgba(10, 5, 25, 0.85);
  --border-glow: rgba(192, 57, 43, 0.6);
  --nav-h: 60px;
  --text-muted: rgba(255,255,255,0.55);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--dark-bg);
  font-family: 'Noto Sans KR', sans-serif;
  color: #fff;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(92,10,138,0.18) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(192,57,43,0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(123,16,16,0.12) 0%, transparent 50%);
  z-index: 0;
  pointer-events: none;
}

#bg-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ── 네비게이션 ── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(5,5,15,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(192,57,43,0.2);
  z-index: 999;
}

.nav-inner {
  max-width: 900px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

.nav-logo {
  font-family: 'Cinzel Decorative', cursive;
  font-size: 15px;
  font-weight: 700;
  background: linear-gradient(135deg, #fff, var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  letter-spacing: 2px;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 8px;
  transition: all 0.2s;
  letter-spacing: 1px;
  white-space: nowrap;
}

.nav-links a:hover {
  color: #fff;
  background: rgba(192,57,43,0.15);
}

.nav-links a.active {
  color: var(--gold);
  background: rgba(192,57,43,0.12);
}

.nav-hamburger {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.7);
  font-size: 18px;
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  min-width: 44px;
  min-height: 44px;
}
.nav-hamburger:hover { border-color: var(--crimson); color: #fff; }

/* 모바일 드롭다운 */
.nav-mobile {
  display: none;
  flex-direction: column;
  background: rgba(5,5,15,0.97);
  border-bottom: 1px solid rgba(192,57,43,0.2);
  padding: 8px 12px 12px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 14px;
  padding: 12px 16px;
  border-radius: 8px;
  transition: all 0.2s;
  letter-spacing: 1px;
  min-height: 44px;
  display: flex;
  align-items: center;
}
.nav-mobile a:hover, .nav-mobile a.active {
  color: var(--gold);
  background: rgba(192,57,43,0.1);
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; align-items: center; justify-content: center; }
}

/* ── 푸터 ── */
.site-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 20px;
  border-top: 1px solid rgba(192,57,43,0.15);
  margin-top: 60px;
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.footer-links a {
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: all 0.2s;
  letter-spacing: 1px;
  min-height: 32px;
  display: flex;
  align-items: center;
}
.footer-links a:hover {
  color: var(--gold);
  border-color: rgba(240,192,64,0.3);
}

.footer-copy {
  font-size: 11px;
  color: rgba(255,255,255,0.2);
  letter-spacing: 2px;
  line-height: 2;
}

/* ── 서브페이지 공통 ── */
.page-wrapper {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: calc(var(--nav-h) + 40px) 20px 0;
}

.page-hero {
  text-align: center;
  padding: 40px 0 32px;
  border-bottom: 1px solid rgba(192,57,43,0.2);
  margin-bottom: 40px;
}

.page-eyebrow {
  font-size: 11px;
  letter-spacing: 5px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 12px;
  opacity: 0.8;
}

.page-title {
  font-size: clamp(26px, 5vw, 40px);
  font-weight: 900;
  background: linear-gradient(135deg, #fff 0%, var(--gold) 60%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  margin-bottom: 10px;
}

.page-sub {
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 1px;
  line-height: 1.6;
}

/* 콘텐츠 섹션 */
.content-section {
  background: var(--card-bg);
  border: 1px solid rgba(192,57,43,0.2);
  border-radius: 20px;
  padding: 32px 28px;
  margin-bottom: 20px;
  backdrop-filter: blur(16px);
  box-shadow: 0 0 40px rgba(92,10,138,0.06);
}

.content-section h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(192,57,43,0.2);
  letter-spacing: 1px;
}

.content-section h3 {
  font-size: 15px;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  margin: 20px 0 10px;
}

.content-section p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 14px;
}
.content-section p:last-child { margin-bottom: 0; }

.content-section ul, .content-section ol {
  padding-left: 20px;
  margin: 10px 0 14px;
}
.content-section li {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 6px;
}

.content-section a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(240,192,64,0.3);
  transition: border-color 0.2s;
}
.content-section a:hover { border-color: var(--gold); }

/* 폼 스타일 */
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 13px 16px;
  color: #fff;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--crimson);
  box-shadow: 0 0 0 3px rgba(192,57,43,0.15);
}
.form-group textarea {
  min-height: 130px;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.2);
}

.btn-submit {
  width: 100%;
  padding: 15px;
  background: linear-gradient(135deg, var(--deep-crimson), var(--crimson));
  color: #fff;
  border: none;
  border-radius: 12px;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 20px rgba(192,57,43,0.4);
  min-height: 52px;
}
.btn-submit:hover {
  box-shadow: 0 6px 28px rgba(192,57,43,0.6);
  transform: translateY(-1px);
}
.btn-submit:active { transform: scale(0.98); }

/* 성공/에러 메시지 */
.form-msg {
  display: none;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 13px;
  margin-top: 14px;
  text-align: center;
}
.form-msg.success {
  display: block;
  background: rgba(39,174,96,0.15);
  border: 1px solid rgba(39,174,96,0.3);
  color: #6dde9a;
}
.form-msg.error {
  display: block;
  background: rgba(192,57,43,0.15);
  border: 1px solid rgba(192,57,43,0.3);
  color: #ff8a80;
}

/* 모바일 폼 */
@media (max-width: 480px) {
  .content-section { padding: 24px 18px; }
  .page-wrapper { padding-top: calc(var(--nav-h) + 24px); }
}

/* ── 공유 애니메이션 ── */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.anim-in { animation: fadeSlideUp 0.7s ease both; }

/* ── 언어 토글 버튼 ── */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 3px;
  margin-left: 6px;
  flex-shrink: 0;
}
.lang-btn {
  background: none;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 5px;
  color: rgba(255,255,255,0.4);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.5px;
  min-height: 28px;
  font-family: 'Noto Sans KR', sans-serif;
  line-height: 1;
}
.lang-btn:hover {
  color: rgba(255,255,255,0.8);
  border-color: rgba(255,255,255,0.35);
}
.lang-btn.active {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(240,192,64,0.08);
}
.lang-sep {
  color: rgba(255,255,255,0.2);
  font-size: 11px;
  user-select: none;
  line-height: 1;
}
/* 모바일 nav 드롭다운 내 언어 버튼 */
.lang-toggle-mobile {
  padding: 8px 16px 4px;
  justify-content: flex-start;
}
@media (max-width: 640px) {
  /* 데스크톱 전용 lang-toggle 숨김 (nav-inner 내부 것만) */
  .nav-inner .lang-toggle { display: flex; }
}