/* ===== Common Layout: header/nav/mobile/footer/top ===== */
*, *::before, *::after { box-sizing: border-box; }

:root {
  --red: #D0001C;
  --red-dark: #243b47;
  --teal: #03BFC0;
  --black: #111111;
  --dark: #222222;
  --mid: #555555;
  --grey: #888888;
  --light: #BBBBBB;
  --line: #E0E0E0;
  --line-dark: #CCCCCC;
  --bg: #F7F7F7;
  --white: #FFFFFF;
}

@font-face {
  font-family: 'InterVariable';
  src: url('https://lia.brandbrief.co.kr/202603/font/InterVariable.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
}

html {
  scrollbar-gutter: stable;
  background: var(--bg);
}

body {
  font-family: 'InterVariable', 'Noto Sans KR', sans-serif;
}

/* 로딩 시 본문만 가리고 nav는 항상 보이게 (nav 깜빡임 방지) */
.page-load-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 50;
  transition: opacity 0.2s ease-out;
  pointer-events: none;
}
html.loaded .page-load-overlay {
  opacity: 0;
}

.site-header {
  position: relative;
  z-index: 100;
  background: var(--white);
  border-bottom: 2px solid var(--black);
}

.top-banner {
  background: var(--black);
  color: #ccc;
  font-size: 15px;
  text-align: center;
  padding: 5px;
  letter-spacing: 0.03em;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  min-height: 74px;
  border-bottom: 1px solid var(--line);
}
.site-logo { display: flex; flex-direction: column; gap: 2px; text-decoration: none; }
.logo-main img { max-width: 200px; display: block; }
.header-meta { display: flex; align-items: center; gap: 16px; font-size: 15px; color: var(--grey); }

.search-bar { display: flex; border: 1px solid var(--line-dark); overflow: hidden; }
.search-bar input {
  border: none; padding: 5px 10px; font-size: 16px; font-family: inherit;
  width: 160px; outline: none; background: var(--bg);
}
.search-bar button {
  background: var(--black); border: none; color: white;
  padding: 5px 10px; cursor: pointer; font-size: 16px;
}

.main-nav {
  display: flex;
  align-items: stretch;
  padding: 0 24px;
  overflow-x: auto;
  scrollbar-width: none;
}
.main-nav::-webkit-scrollbar { display: none; }
.main-nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 10px 16px;
  line-height: 1;
  font-size: 16px;
  font-weight: 500;
  color: var(--dark);
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: all 0.15s;
  gap: 5px;
  text-decoration: none;
}
.main-nav a:hover { color: var(--red-dark); border-bottom-color: var(--red-dark); }
.main-nav a:first-child { color: #607d8b; }
.main-nav a.bb-contest,
.main-nav a.winners-menu,
.main-nav a.faq-menu {
  color: var(--white) !important;
  background: var(--teal);
  font-weight: 700 !important;
  letter-spacing: 0.03em;
  border-bottom-color: transparent !important;
}
.main-nav a.bb-contest:hover,
.main-nav a.winners-menu:hover,
.main-nav a.faq-menu:hover {
  background: var(--red-dark) !important;
  color: var(--white) !important;
  border-bottom-color: transparent !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  padding: 4px;
  border: 1px solid var(--line);
  background: var(--white);
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: all 0.25s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 200;
}
.mobile-nav-drawer {
  position: fixed;
  top: 0; right: -280px;
  width: 280px;
  height: 100%;
  background: var(--white);
  z-index: 201;
  transition: right 0.3s ease;
  overflow-y: auto;
  box-shadow: -4px 0 20px rgba(0,0,0,0.15);
  display: flex;
  flex-direction: column;
}
.mobile-nav-drawer.open { right: 0; }
.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 2px solid var(--black);
}
.mobile-nav-logo { font-weight: 900; font-size: 22px; color: var(--black); }
.mobile-nav-logo span { color: var(--red); }
.mobile-nav-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--mid);
  line-height: 1;
  padding: 0 4px;
}
.mobile-nav-close:hover { color: var(--red); }
.mobile-nav-links a {
  display: block;
  padding: 13px 20px;
  font-size: 17px;
  font-weight: 500;
  color: var(--dark);
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.mobile-nav-links a:hover { background: var(--bg); color: var(--red); }
.mobile-nav-links a.bb-contest,
.mobile-nav-links a.winners-menu,
.mobile-nav-links a.faq-menu {
  background: var(--teal);
  color: #fff !important;
  font-weight: 700;
}
.mobile-nav-links a.bb-contest:hover,
.mobile-nav-links a.winners-menu:hover,
.mobile-nav-links a.faq-menu:hover { background: var(--red-dark); }

#user-footer {
  background: #161b1f;
  color: #c8d0d6;
  margin-top: 46px;
  padding: 28px 16px 34px;
  font-size: 13px;
  line-height: 1.7;
}
#user-footer .float-center.width-1080 {
  max-width: 1080px;
  margin: 0 auto;
}
#user-footer .footer-menu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
#user-footer .footer-columns.user-logo img {
  height: 28px;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%) brightness(175%);
}
#user-footer .user-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}
#user-footer .user-nav a { color: #d7dde2; }
#user-footer .user-nav a:hover { color: var(--teal); }
#user-footer .user-address {
  font-style: normal;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}
#user-footer .no-bullet { list-style: none; margin: 0; padding: 0; flex: 1; min-width: 0; }
#user-footer .user-address li { display: inline-block; margin-right: 10px; color: #b6c0c8; }
#user-footer .user-address li.clear { display: block; margin-top: 4px; margin-right: 0; }
#user-footer .user-address li.bars::after { content: "|"; margin-left: 10px; color: #6f7b85; }
#user-footer .user-address li.bars.clear::after { content: ""; }
#user-footer .deco-none { text-decoration: none; }
#user-footer a { color: #d7dde2; }
#user-footer a:hover { color: var(--teal); }
#user-footer .banner_inc { margin-top: 0; flex-shrink: 0; align-self: flex-end; }
#user-footer .banner_inc img { max-width: 180px; width: 100%; opacity: 0.9; }

.btn-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s, background 0.15s;
  z-index: 300;
}
.btn-top:hover { background: var(--red-dark); }
.btn-top.show { opacity: 1; visibility: visible; transform: translateY(0); }

@media (max-width: 760px) {
  .hamburger { display: flex; }
  .main-nav { display: none; }
  .search-bar input { width: 110px; }
}
@media (max-width: 860px) {
  #user-footer .user-address {
    display: block;
  }
  #user-footer .user-address li { display: block; margin-right: 0; }
  #user-footer .user-address li.bars::after { content: ""; margin: 0; }
  #user-footer .banner_inc { margin-top: 14px; }
}