/* ============================================================
   ㈜미토스바이오 (MITOSBIO) - 공통 스타일
   컬러: 아이보리 배경, 딥레드(홍삼), 골드, 다크브라운
   ============================================================ */

:root {
  --bg: #faf6ef;
  --bg-warm: #f3ebdc;
  --bg-card: #ffffff;
  --ink: #2a1a15;
  --ink-soft: #6b5548;
  --ink-mute: #9a8778;
  --line: #e8dfce;
  --line-soft: #f0e8d8;
  --red: #8b2331;
  --red-deep: #5f1620;
  --red-soft: #b04555;
  --gold: #b8935a;
  --gold-soft: #d4b788;

  --f-serif: 'Noto Serif KR', 'Nanum Myeongjo', serif;
  --f-sans: 'Pretendard', 'Noto Sans KR', -apple-system, sans-serif;

  --shadow-sm: 0 1px 2px rgba(42, 26, 21, 0.04);
  --shadow-md: 0 4px 20px rgba(42, 26, 21, 0.06);
  --shadow-lg: 0 12px 40px rgba(42, 26, 21, 0.08);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--f-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ============= 헤더 ============= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 246, 239, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo {
  height: 44px;
  width: auto;
  display: block;
}

.brand-fallback {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--red);
  color: #f9e4c6;
  display: grid;
  place-items: center;
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.brand-name {
  font-family: var(--f-serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand-name small {
  display: block;
  font-family: var(--f-sans);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--red);
  font-weight: 600;
  margin-top: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
  min-width: 0;
}

.nav-item {
  padding: 11px 18px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-soft);
  border-radius: 999px;
  transition: all 0.2s;
  white-space: nowrap;
  letter-spacing: -0.005em;
}

@media (max-width: 1180px) {
  .nav-item { padding: 9px 14px; font-size: 15px; }
}

.nav-item:hover { color: var(--red); background: var(--bg-warm); }
.nav-item.active { color: #fff; background: var(--red); }

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.lang-toggle {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  background: var(--bg-card);
}

.lang-toggle button {
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-mute);
  letter-spacing: 0.02em;
}

.lang-toggle button.active { background: var(--ink); color: #f9e4c6; }

.admin-link {
  padding: 10px 16px;
  font-size: 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  transition: all 0.2s;
  background: var(--bg-card);
}
.admin-link:hover { border-color: var(--red); color: var(--red); }

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg-card);
  align-items: center;
  justify-content: center;
}

/* ============= 푸터 (심플: 로고 + 회사정보) ============= */
.site-footer {
  background: var(--ink);
  color: #d9c8b5;
  padding: 56px 32px 28px;
  margin-top: 120px;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 64px;
  align-items: center;
}

.footer-logo-block {
  flex-shrink: 0;
}
.footer-logo {
  height: 40px;
  width: auto;
  display: block;
}
.footer-logo-fallback {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-logo-mark {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--red);
  color: #f9e4c6;
  display: grid; place-items: center;
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: 18px;
}
.footer-logo-name {
  font-family: var(--f-serif);
  font-size: 22px;
  color: #f9e4c6;
  font-weight: 600;
}

.footer-info-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-info-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  font-size: 14px;
  line-height: 1.6;
}
.footer-info-key {
  color: var(--gold-soft);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  min-width: 52px;
  flex-shrink: 0;
}
.footer-info-val {
  color: #d9c8b5;
}
.footer-info-val a {
  color: #d9c8b5;
  transition: color 0.2s;
  border-bottom: 1px solid transparent;
}
.footer-info-val a:hover {
  color: #f9e4c6;
  border-bottom-color: var(--gold-soft);
}

.footer-bottom {
  max-width: 1280px;
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
  color: #7a6957;
  letter-spacing: 0.02em;
}

/* ============= 반응형 ============= */
@media (max-width: 900px) {
  .header-inner { padding: 14px 20px; }
  .brand-logo { height: 36px; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 12px 20px 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .nav-menu.open { display: flex; }
  .nav-item { padding: 14px 18px; font-size: 17px; }
  .menu-toggle { display: flex; }
  .admin-link { display: none; }

  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-logo { height: 40px; }
  .site-footer { padding: 40px 20px 24px; margin-top: 80px; }
  .footer-info-row { flex-direction: row; gap: 20px; }
  .footer-info-key { min-width: 40; }

  body { font-size: 16px; }
}