/* =========================
   BASE / RESET / LAYOUT
========================= */
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 메인 컨테이너 */
.container { flex: 1; }
.contents { max-width: 1180px; margin: 0 auto; padding: 16px; }

/* 공통 레이아웃 섹션 */
.layout { margin-bottom: 24px; }

.layout-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}

.layout-header-left span.sub { font-size: 12px; color: #9ca3af; }
.layout-header-left strong.title { display: block; font-size: 17px; margin-top: 2px; }

.section-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

/* 전체 자료 끝 더보기 */
.grid-footer {
  margin-top: 12px;
  display: flex;
  justify-content: center;
}

/* =========================
   HEADER (기본 구조/레이아웃)
========================= */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: relative;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-link > div {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.logo-sub {
  font-size: 11px;
  color: #9ca3af;
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 모바일 메뉴 버튼(레이아웃) */
.menu-btn{
  display: none;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(15,23,42,0.14);
  background: rgba(255,255,255,0.92);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

.menu-btn .menu-icon{
  width: 18px;
  height: 18px;
  fill: #0f172a;
  display: block;
}

/* =========================
   FOOTER
========================= */
.footer {
  padding: 16px;
  font-size: 11px;
  color: #6b7280;
  text-align: center;
  border-top: 1px solid rgba(31, 41, 55, 0.9);
  background: rgba(15, 23, 42, 0.95);
}

/* =========================
   RESPONSIVE (레이아웃/헤더 구조 위주)
========================= */
@media (max-width: 1024px) {
  .banner-inner { padding: 16px; }
}

@media (max-width: 768px) {
  .header-inner { padding: 8px 12px; }
  .menu-btn { display: flex; }

  /* ✅ PC 검색창은 모바일에서 숨김(헤더 잘림 방지) */
  .header-right .search-box { display: none; }

  /* ✅ mainNav를 토글 드롭다운으로 */
  #mainNav{
    display: none;
    background: rgba(255,255,255,0.96);
    border-bottom: 1px solid rgba(15, 23, 42, 0.10);
    box-shadow: 0 12px 30px rgba(2,6,23,0.10);
  }

  #mainNav.is-open{
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 54px;
    left: 0;
    right: 0;
    padding: 8px 16px 10px;
    gap: 10px;
    z-index: 60;
  }

  /* ✅ 모바일에서만 nav 안 검색창 보이게 */
  .mobile-search{ display: block; }
  .mobile-search .search-box{ display: flex; width: 100%; }
  .mobile-search .search-input{ width: 100%; }

  /* ✅ 잘림 방지 */
  .header,
  .header-inner{
    overflow: visible !important;
  }
}

/* ✅ PC에서는 nav 안 검색창 숨김 */
.mobile-search{ display: none; }