/* ================================================
   layout.css — 헤더, 푸터, 네비게이션
   ================================================ */

/* ---- Site Header ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(8, 55, 40, 0.97);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 2px 16px rgba(0,0,0,0.22);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  white-space: nowrap;
}
.site-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}
.site-logo .logo-sub {
  font-size: 0.7rem;
  font-weight: 400;
  opacity: 0.75;
  display: block;
  line-height: 1.2;
}

/* Nav */
.site-nav { display: flex; align-items: center; gap: 8px; }
.site-nav a {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 4px;
  transition: background var(--transition), color var(--transition);
}
.site-nav a:hover, .site-nav a.active {
  background: rgba(255,255,255,0.12);
  color: #fff;
}
.site-nav .nav-cta {
  background: var(--color-accent);
  color: #fff !important;
  padding: 7px 16px;
  border-radius: 5px;
}
.site-nav .nav-cta:hover { background: var(--color-accent-h) !important; }
.site-nav .header-tel {
  color: rgba(255,255,255,0.92) !important;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  border: 1px solid rgba(255,255,255,0.28);
  padding: 5px 13px !important;
}
.site-nav .header-tel:hover {
  background: rgba(255,255,255,0.13) !important;
  border-color: rgba(255,255,255,0.55);
  color: #fff !important;
}

/* Hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Body offset for fixed header */
body { padding-top: 64px; }

/* ---- Mobile Nav ---- */
@media (max-width: 767px) {
  .menu-toggle { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-primary);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 16px;
    gap: 4px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 11px 16px; font-size: 0.95rem; border-radius: 6px; }
  .site-nav .nav-cta { text-align: center; margin-top: 6px; }
}

/* ---- Site Footer ---- */
.site-footer {
  background: #071e14;
  color: rgba(255,255,255,0.7);
  padding: 48px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}

.footer-brand .site-logo { margin-bottom: 14px; }
.footer-brand p { font-size: 0.85rem; line-height: 1.8; }

.footer-col h4 {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 14px;
}
.footer-col ul li {
  margin-bottom: 8px;
  font-size: 0.85rem;
}
.footer-col ul li a:hover { color: var(--color-accent); }
.footer-col ul li span { opacity: 0.5; font-size: 0.75rem; margin-right: 4px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom a { opacity: 0.4; font-size: 0.75rem; }
.footer-bottom a:hover { opacity: 0.9; }

@media (max-width: 767px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}