/* 헤더 / 푸터 / 네비 */

/* === HEADER === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--c-line);
}
.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 900;
  font-size: 1.05rem;
  color: var(--c-blue-900);
  letter-spacing: -0.02em;
}
.brand__wordmark {
  height: 60px;
  width: auto;
  display: block;
}
@media (max-width: 480px) {
  .brand__wordmark { height: 50px; }
}

.nav {
  display: flex;
  gap: var(--s-5);
  align-items: center;
}
.nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--c-text-soft);
  position: relative;
  padding: 0.4rem 0;
  transition: color var(--dur) var(--ease);
}
.nav a:hover, .nav a.is-active { color: var(--c-mint-700); }
.nav a.is-active::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -4px;
  height: 3px; border-radius: 2px;
  background: var(--c-mint-500);
}

.header__cta { display: flex; gap: 0.5rem; align-items: center; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--c-mint-50);
  color: var(--c-mint-700);
  font-size: 1.4rem;
}

@media (max-width: 920px) {
  .nav { display: none; }
  .nav-toggle { display: grid; place-items: center; }
  .header__cta .btn:not(.btn-coral):not(.btn-primary) { display: none; }
  .nav.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-h); left: 0; right: 0;
    background: #fff;
    padding: 1rem 1.25rem 1.5rem;
    gap: 0.25rem;
    border-bottom: 1px solid var(--c-line);
    box-shadow: var(--sh-md);
    align-items: stretch;
  }
  .nav.is-open a { padding: 0.85rem 0.5rem; border-bottom: 1px solid var(--c-border); }
}

/* === FLOATING CTA (mobile) === */
.floating-cta {
  position: fixed;
  right: 1rem; bottom: 1rem;
  z-index: 90;
  display: flex; flex-direction: column; gap: 0.5rem;
}
.floating-cta a {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: grid; place-items: center;
  color: #fff;
  font-size: 1.4rem;
  box-shadow: var(--sh-md);
  transition: transform var(--dur) var(--ease);
}
.floating-cta a:hover { transform: scale(1.08); }
.fcta-call { background: linear-gradient(135deg, var(--c-mint-500), var(--c-mint-700)); }
.fcta-kakao { background: #fae100; color: #371d1e; }

@media (min-width: 921px) {
  .floating-cta { display: none; }
}

/* === FOOTER === */
.site-footer {
  background: var(--c-blue-900);
  color: rgba(255, 255, 255, 0.78);
  padding: var(--s-8) 0 var(--s-5);
  font-size: 0.92rem;
}
.site-footer h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 0.85rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: var(--s-6);
}
@media (max-width: 820px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--s-5); }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-brand { font-family: var(--f-impact); font-size: 1.4rem; color: #fff; margin-bottom: 0.5rem; }
.footer-info p { margin: 0.2rem 0; font-size: 0.88rem; line-height: 1.55; }
.footer-info a:hover { color: var(--c-mint-300); }
.site-footer ul li { margin-bottom: 0.45rem; }
.site-footer ul a:hover { color: var(--c-mint-300); }
.footer-bottom {
  margin-top: var(--s-6);
  padding-top: var(--s-4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem;
  font-size: 0.78rem; color: rgba(255, 255, 255, 0.5);
}
/* AM 데코 메인페이지 — Hero(chan-s 톤) + 앨범 */

/* === Trust Strip — 헤더 위 얇은 라인 === */
.trust-strip {
  background: var(--c-mono-50);
  border-bottom: 1px solid var(--c-mono-100);
  font-family: var(--f-sans);
  font-size: 0.82rem;
  color: var(--c-mono-600);
}
.trust-strip__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.trust-strip__tag {
  letter-spacing: 0.04em;
}
.trust-strip__tag::before {
  content: "●";
  color: var(--c-mono-900);
  margin-right: 0.45rem;
  font-size: 0.55rem;
  vertical-align: 0.15em;
}
.trust-strip__phone {
  color: var(--c-mono-900);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.trust-strip__phone em {
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-left: 0.3rem;
  border-bottom: 1px solid var(--c-mono-900);
  padding-bottom: 1px;
}
.trust-strip__phone:hover em { opacity: 0.6; }
@media (max-width: 520px) {
  .trust-strip__inner { justify-content: center; padding: 0.45rem 0; }
  .trust-strip__tag { display: none; }
}

/* === site-header mono override (chan-s 톤) === */
.site-header--mono {
  background: #fff;
  border-bottom: 1px solid var(--c-mono-100);
  box-shadow: none;
  backdrop-filter: none;
}
.site-header--mono .nav a {
  color: var(--c-mono-900);
  font-family: var(--f-sub);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 4px;
}
.site-header--mono .nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--c-mono-900);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--dur) var(--ease);
}
.site-header--mono .nav a:hover::after,
.site-header--mono .nav a.is-active::after { transform: scaleX(1); }
.site-header--mono .brand__name {
  color: var(--c-mono-900);
}
.site-header--mono .brand__name small {
  color: var(--c-mono-500);
  letter-spacing: 0.04em;
}
.site-header--mono .nav-toggle {
  background: transparent;
  color: var(--c-mono-900);
  border: 1px solid var(--c-mono-900);
  border-radius: 0;
}
.brand__mark--mono {
  background: transparent !important;
  color: var(--c-mono-900) !important;
  border: 1px solid var(--c-mono-900);
  font-family: var(--f-sub) !important;
  font-weight: 700 !important;
  font-size: 0.84rem !important;
  width: 40px !important;
  height: 40px !important;
  border-radius: 0 !important;
  letter-spacing: 0.06em;
  display: grid;
  place-items: center;
}

/* link-mono — chan-s 텍스트 CTA */
.link-mono {
  font-family: var(--f-sans);
  font-weight: 500;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  color: var(--c-mono-900);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--c-mono-900);
  transition: opacity var(--dur) var(--ease);
  white-space: nowrap;
}
.link-mono:hover { opacity: 0.55; }
.link-mono--soft {
  color: var(--c-mono-500);
  border-color: var(--c-mono-200);
}
/* === floating CTA — chan-s 모노 (메인용 중복 정의) === */
.floating-cta--mono {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  display: flex;
  gap: 0.5rem;
  z-index: 50;
}
@media (min-width: 900px) { .floating-cta--mono { display: none; } }
.fcta-mono {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  background: var(--c-mono-900);
  color: #fff;
  font-family: var(--f-sub);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-decoration: none;
  border-radius: 0;
  border: 1px solid var(--c-mono-900);
  transition: opacity var(--dur) var(--ease);
}
.fcta-mono--sms { background: #fff; color: var(--c-mono-900); }
.fcta-mono:hover { opacity: 0.78; }