/* ═══ EZENNA hairloss.ezennaworld.com 전용 스타일 ═══
   컬러: 참고 스크린샷(K-BOOSTER 자사몰)에서 가져오지 않고, 다시마·질경이 원료 이미지에서
   착안한 스톤/파인(deep teal-pine) 톤으로 새로 선정 — DANDRUFF(올리브/스톤), SCALP(크림/잉크)와 구분.
   폰트: devtools 확인값 없음 → 기본 폴백 (Paperlogy, Pretendard Variable) */

:root {
  --ink: #12181a;
  --ink-soft: #3c4644;
  --muted: #6c7674;
  --paper: #f3f5f1;
  --paper-2: #e8ece5;
  --line: #d6ddd3;
  --pine: #2f4f49;
  --pine-deep: #1c332e;
  --font-base: "Paperlogy", "Pretendard Variable", "Pretendard", -apple-system, BlinkMacSystemFont, "Malgun Gothic", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-base);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

.eyebrow {
  letter-spacing: 0.26em;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--pine);
  text-transform: uppercase;
}

.heading {
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* ── 버튼: K-BOOSTER류 자사몰의 솔리드 필 버튼 인상을 자체 톤으로 재구성 ── */
.btn-solid {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.9rem 2rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: background 0.25s ease, transform 0.15s ease;
}
.btn-solid:hover { background: var(--pine-deep); }
.btn-solid:active { transform: scale(0.98); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  border: 1px solid var(--ink);
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: background 0.25s ease, color 0.25s ease;
}
.btn-outline:hover { background: var(--ink); color: var(--paper); }

/* ── 헤더 ── */
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(243, 245, 241, 0.94);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 40;
}
.top-bar {
  background: var(--ink);
  color: var(--paper);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-align: center;
  padding: 0.5rem 1rem;
}
.logo-mark {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}
.logo-mark small {
  display: block;
  font-size: 0.52rem;
  letter-spacing: 0.34em;
  font-weight: 500;
  color: var(--muted);
  margin-top: 0.35rem;
}
.nav-link {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
}
.nav-link:hover, .nav-link.active { border-color: var(--pine); color: var(--pine); }

/* ── 카테고리 필터 탭 ── */
.filter-tab {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  cursor: pointer;
  background: var(--paper);
}
.filter-tab.active { background: var(--ink); border-color: var(--ink); color: var(--paper); font-weight: 700; }

/* ── 상품 카드 ── */
.product-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}
.product-card .thumb {
  aspect-ratio: 1 / 1;
  background: var(--paper-2);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-tag {
  display: inline-block;
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: var(--paper-2);
  color: var(--pine-deep);
}
.product-price { font-size: 1.15rem; font-weight: 800; letter-spacing: -0.01em; }
.product-price-old { color: var(--muted); text-decoration: line-through; font-size: 0.82rem; }

/* ── 비교표 ── */
.compare-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.compare-table th, .compare-table td {
  border: 1px solid var(--line);
  padding: 0.85rem 0.9rem;
  text-align: left;
}
.compare-table thead th {
  background: var(--ink);
  color: var(--paper);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.compare-table tbody tr:nth-child(even) { background: var(--paper-2); }

/* 모바일: 표 → 상품별 카드로 재배치 (구조는 <table> 그대로 유지, 시각만 전환) */
@media (max-width: 767px) {
  .compare-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .compare-table, .compare-table tbody, .compare-table tr, .compare-table td {
    display: block;
    width: 100%;
  }
  .compare-table { border: none; }
  .compare-table tbody tr {
    margin-bottom: 1rem;
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
    background: #fff;
  }
  .compare-table tbody tr:last-child { margin-bottom: 0; }
  .compare-table tbody tr:nth-child(even) { background: #fff; }
  .compare-table td {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    border: none;
    border-bottom: 1px solid var(--line);
    padding: 0.7rem 1rem;
  }
  .compare-table td:last-child { border-bottom: none; }
  .compare-table td::before {
    content: attr(data-label);
    flex: 0 0 64px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--muted);
    padding-top: 0.1rem;
  }
}

/* ── 성분/서비스 아이콘 ── */
.service-icon {
  width: 60px; height: 60px;
  border: 1px solid var(--line);
  border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 0.9rem;
  color: var(--pine-deep);
  background: #fff;
}

/* ── FAQ ── */
.faq-item summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item[open] summary { color: var(--pine-deep); }
.faq-item .faq-mark::after { content: "+"; font-size: 1.4rem; font-weight: 400; color: var(--muted); }
.faq-item[open] .faq-mark::after { content: "\2013"; }
.faq-answer { padding: 0 0 1.3rem; color: var(--ink-soft); line-height: 1.75; font-size: 0.95rem; }

/* ── NSEO 세부페이지 히어로 배너 ── */
/* 세부페이지 히어로: 폭을 max-w-4xl로 제한해 원본 정사각 사진의 크롭 비율을 완화(정사각 사진 대비 약 50%+ 노출) */
.nseo-hero-img { height: 280px; }
@media (min-width: 640px) { .nseo-hero-img { height: 380px; } }
@media (min-width: 1024px) { .nseo-hero-img { height: 460px; } }

/* ── 플로팅 CTA ── */
.floating-cta {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 50;
  box-shadow: 0 8px 22px rgba(18, 24, 26, 0.22);
}