/* 공용 헤더(메뉴)·푸터 — assets/js/layout.js 가 마크업을 채운다 */

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 68px;
  background: rgba(255, 255, 255, 0.97);
  color: #2b2b2b;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
  transition: background 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

/* 홈: 히어로 위에 투명하게 겹친다 */
.site-header.overlay {
  position: fixed;
  left: 0;
  right: 0;
  background: transparent;
  color: #fff;
  box-shadow: none;
}

.site-header.overlay.solid,
.site-header.overlay.open {
  background: rgba(255, 255, 255, 0.97);
  color: #2b2b2b;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 40px);
}

.site-brand {
  color: inherit;
  text-decoration: none;
  line-height: 1.2;
}

.site-brand strong {
  display: block;
  font-size: clamp(16px, 2vw, 20px);
  letter-spacing: 0.5px;
}

.site-brand span {
  font-size: 12px;
  opacity: 0.8;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.5vw, 32px);
}

.site-nav a {
  color: inherit;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  border-bottom-color: currentColor;
}

.site-nav .nav-cta {
  padding: 10px 20px;
  border: 0;
  border-radius: 999px;
  background: #2b2b2b;
  color: #fff;
}

.site-header.overlay:not(.solid):not(.open) .nav-cta {
  background: #f1efea;
  color: #2b2b2b;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 20px;
    background: #fff;
    color: #2b2b2b;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
    display: none;
  }

  .site-header.open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 14px 4px;
    border-bottom: 1px solid #eee;
    font-size: 16px;
  }

  .site-nav a:hover,
  .site-nav a[aria-current="page"] {
    border-bottom-color: #eee;
    text-decoration: underline;
    text-underline-offset: 4px;
  }

  .site-nav .nav-cta,
  .site-header.overlay:not(.solid):not(.open) .nav-cta {
    margin-top: 12px;
    text-align: center;
    background: #2b2b2b;
    color: #fff;
  }

  .site-header.open .menu-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .site-header.open .menu-toggle span:nth-child(2) {
    opacity: 0;
  }

  .site-header.open .menu-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* ===== Footer ===== */
.site-footer-main {
  background: #2b2b2b;
  color: #ccc;
  font-size: 14px;
  line-height: 1.6;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 2fr;
  gap: clamp(28px, 5vw, 60px);
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(40px, 6vw, 64px) clamp(16px, 4vw, 40px);
}

.footer-brand strong {
  display: block;
  color: #fff;
  font-size: clamp(20px, 2.6vw, 26px);
  letter-spacing: 0.5px;
}

.footer-brand span {
  display: block;
}

.footer-cta {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  border-radius: 999px;
  background: #f1efea;
  color: #2b2b2b;
  font-weight: 700;
  text-decoration: none;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-nav h2 {
  margin: 0 0 4px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}

.footer-nav a,
.footer-biz a {
  color: #ccc;
  text-decoration: none;
}

.footer-nav a:hover,
.footer-biz a:hover {
  color: #fff;
  text-decoration: underline;
}

.footer-biz {
  display: grid;
  gap: 6px;
  margin: 0;
}

.footer-biz div {
  display: grid;
  grid-template-columns: 7.5em 1fr;
  gap: 12px;
}

.footer-biz dt {
  color: #f1efea;
  font-weight: 600;
}

.footer-biz dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px clamp(16px, 4vw, 40px) 28px;
  border-top: 1px solid #ffffff1a;
  color: #999;
  font-size: 12px;
}

@media (max-width: 860px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer-biz {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-biz div {
    grid-template-columns: 1fr;
    gap: 0;
  }
}