/* ========================================
   중독이음센터 — 공통 스타일
   Bootstrap 5.3.3 기반
   ======================================== */

/* ── CSS 변수 ── */
:root {
  --color-primary:      #6B9E7A;
  --color-primary-dark: #5A8A6A;
  --color-primary-light:#E8F3EC;
  --color-secondary:    #E8A87C;
  --color-secondary-dark:#D89A6C;
  --color-bg:           #FDF6EE;
  --color-text:         #3D3D3D;
  --color-text-muted:   #888888;
  --color-dark:         #2C2C2C;
  --color-footer:       #1E1E1E;
  --color-border:       rgba(107,158,122,.15);
  --color-white:        #ffffff;

  --font-main: 'Noto Sans KR', sans-serif;
  --navbar-h: 64px;
  --banner-h: 0px;          /* JS에서 배너 활성 시 동적 변경 */
  --top-offset: var(--navbar-h); /* 배너 없을 때 */

  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --shadow-sm:  0 2px 8px  rgba(0,0,0,.06);
  --shadow-md:  0 4px 20px rgba(0,0,0,.08);
  --shadow-lg:  0 8px 40px rgba(0,0,0,.12);

  --transition: .22s ease;
}

/* ── 배너 활성 시 (JS가 body에 .has-banner 클래스 추가) ── */
body.has-banner {
  --banner-h: 100px;
  --top-offset: calc(var(--navbar-h) + var(--banner-h));
}

/* ── Reset / Base ── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  font-size: 16px;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  padding-top: var(--top-offset);
  transition: padding-top var(--transition);
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); }

img { max-width: 100%; }

/* ── 공통 버튼 ── */
.btn-primary-custom {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 50px;
  font-size: 15px; font-weight: 500;
  font-family: var(--font-main);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 14px rgba(107,158,122,.30);
  text-decoration: none;
}
.btn-primary-custom:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(107,158,122,.40);
  color: #fff;
}
.btn-outline-custom {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 27px;
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
  border-radius: 50px;
  font-size: 15px; font-weight: 500;
  font-family: var(--font-main);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-outline-custom:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ── 배너 (전체 페이지 상단 고정) ── */
#site-banner {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--banner-h);
  z-index: 1100;
  overflow: hidden;
  transition: height var(--transition);
}
.banner-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 0 24px;
  position: relative;
}
.banner-text {
  font-size: 15px; font-weight: 500;
  text-align: center;
}
.banner-link {
  font-size: 14px; font-weight: 600;
  text-decoration: underline;
  white-space: nowrap;
}
.banner-close {
  position: absolute; right: 16px; top: 50%;
  transform: translateY(-50%);
  background: none; border: none;
  font-size: 20px; line-height: 1;
  cursor: pointer;
  opacity: .6;
  transition: opacity .15s;
}
.banner-close:hover { opacity: 1; }

/* ── 네비게이션 ── */
#site-header { position: relative; z-index: 1050; }

.site-nav {
  position: fixed;
  top: var(--banner-h);
  left: 0; right: 0;
  height: var(--navbar-h);
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: top var(--transition), box-shadow var(--transition);
  z-index: 1000;
}
.site-nav.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,.10);
}

/* 로고 */
.site-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 18px; font-weight: 800;
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}
.site-logo:hover { color: var(--color-primary); }
.logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 14px;
  flex-shrink: 0;
}

/* 네브 링크 */
.site-nav .navbar-nav { gap: 2px; }
.site-nav .nav-link {
  font-size: 15px; font-weight: 500;
  color: var(--color-text);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.site-nav .nav-link:hover,
.site-nav .nav-link.active-menu {
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.site-nav .nav-link.dropdown-toggle::after {
  margin-left: 4px;
  border-top-color: currentColor;
}

/* 드롭다운 */
.site-nav .dropdown-menu {
  border: none;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0,0,0,.12);
  padding: 8px;
  min-width: 180px;
  margin-top: 4px;
  border-top: 3px solid var(--color-primary);
}
.site-nav .dropdown-item {
  font-size: 14px; font-weight: 400;
  color: var(--color-text);
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  font-family: var(--font-main);
}
.site-nav .dropdown-item:hover,
.site-nav .dropdown-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* 우측 연락처 */
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-phone {
  font-size: 14px; font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}
.nav-phone svg { margin-right: 4px; }
.nav-admin-link {
  font-size: 13px; color: #999;
  text-decoration: none;
  padding: 4px 10px;
  border: 1px solid #E0E0E0;
  border-radius: 50px;
  transition: all var(--transition);
}
.nav-admin-link:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* 모바일 토글러 */
.navbar-toggler { border: 1.5px solid var(--color-border); border-radius: var(--radius-sm); }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(107,158,122,.20); }

/* ── 푸터 ── */
#site-footer { position: relative; }

.site-footer {
  background: var(--color-footer);
  color: rgba(255,255,255,.7);
  padding: 60px 0 0;
}
.footer-brand-name {
  font-size: 18px; font-weight: 700;
  color: #fff;
  margin-bottom: .5rem;
}
.footer-brand-desc {
  font-size: 13px; line-height: 1.8;
  color: rgba(255,255,255,.55);
  margin-bottom: 20px;
}
.footer-social { display: flex; gap: 10px; }
.footer-social-btn {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.7);
  transition: all var(--transition);
  text-decoration: none;
}
.footer-social-btn:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}
.footer-col-title {
  font-size: 13px; font-weight: 700;
  color: rgba(255,255,255,.9);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 8px; }
.footer-links a {
  font-size: 14px; color: rgba(255,255,255,.55);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-links a:hover { color: #fff; }
.footer-emergency {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius-md);
  padding: 16px;
}
.footer-emergency-label {
  font-size: 12px; color: rgba(255,255,255,.5);
  margin-bottom: 4px;
}
.footer-emergency-phone {
  font-size: 22px; font-weight: 800;
  color: var(--color-secondary);
  letter-spacing: .02em;
}
.footer-emergency-sub {
  font-size: 12px; color: rgba(255,255,255,.45);
  margin-top: 2px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  margin-top: 48px;
  padding: 20px 0;
}
.footer-bottom-text {
  font-size: 12px; color: rgba(255,255,255,.35);
}
.footer-bottom-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-bottom-links a {
  font-size: 12px; color: rgba(255,255,255,.40);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-bottom-links a:hover { color: rgba(255,255,255,.7); }

/* ── Back to Top ── */
.back-to-top {
  position: fixed;
  bottom: 32px; right: 28px;
  width: 44px; height: 44px;
  background: var(--color-primary);
  color: #fff;
  border: none; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(107,158,122,.4);
  opacity: 0; visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition);
  z-index: 999;
}
.back-to-top.visible {
  opacity: 1; visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover { background: var(--color-primary-dark); transform: translateY(-2px); }

/* ── 스크롤 애니메이션 ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .55s ease, transform .55s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up.delay-1 { transition-delay: .10s; }
.fade-up.delay-2 { transition-delay: .20s; }
.fade-up.delay-3 { transition-delay: .30s; }
.fade-up.delay-4 { transition-delay: .40s; }

/* ── 배너 이미지 (데스크탑/모바일 전환) ── */
.banner-img-desktop { display: block; width: 100%; height: 100%; object-fit: cover; }
.banner-img-mobile  { display: none;  width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 767px) {
  .banner-img-desktop { display: none; }
  .banner-img-mobile  { display: block; }
}
.banner-img-link { display: block; width: 100%; height: 100%; }

/* ── 사이트 로고 이미지 ── */
.site-logo-img { max-height: 36px; max-width: 160px; object-fit: contain; }
.site-logo-mobile { display: none; }
@media (max-width: 991px) {
  .site-logo-desktop { display: none; }
  .site-logo-mobile  { display: inline-block; }
}

/* ── 반응형 ── */
@media (max-width: 991px) {
  .site-nav .navbar-collapse {
    background: #fff;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 12px 16px 20px;
    max-height: calc(100vh - var(--navbar-h));
    overflow-y: auto;
  }
  .site-nav .dropdown-menu { box-shadow: none; border-top: none; padding-left: 16px; }
  .nav-right { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--color-border); }
}

@media (max-width: 575px) {
  body.has-banner { --banner-h: 80px; }
  .banner-text { font-size: 13px; }
  .nav-phone { display: none; }
  .back-to-top { bottom: 20px; right: 16px; width: 40px; height: 40px; }
}