/* ============================================================
   header.css — Priority styles for site header
   All rules use !important to override any other CSS
   ============================================================ */

/* ---------- Reset & Base ---------- */
#site-header *,
#site-header *::before,
#site-header *::after {
  box-sizing: border-box !important;
  margin: 0 !important;
  padding: 0 !important;
}

/* ---------- Header wrapper ---------- */
#site-header {
  position: sticky !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  z-index: 9999 !important;
  background-color: #f2f3f5 !important;
  border-bottom: 1px solid #dde0e6 !important;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07) !important;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif !important;
}

/* ---------- Inner container ---------- */
#site-header .header-inner {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  max-width: 1280px !important;
  margin: 0 auto !important;
  padding: 0 24px !important;
  height: 80px !important;
}

/* ---------- Brand / Logo block ---------- */
#site-header .header-brand {
  display: flex !important;
  align-items: center !important;
  gap: 14px !important;
  text-decoration: none !important;
  flex-shrink: 0 !important;
}

#site-header .header-brand img {
  width: 90px !important;
  height: 90px !important;
  object-fit: contain !important;
  display: block !important;
  border-radius: 8px !important;
}

#site-header .header-slogan {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif !important;
  font-size: 13px !important;
  font-weight: 400 !important;
  color: #1a1a1a !important;
  line-height: 1.35 !important;
  max-width: 200px !important;
  letter-spacing: 0.01em !important;
}

/* ---------- Menu button (rectangle) ---------- */
#site-header .burger-btn {
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  padding: 8px 16px !important;
  background-color: #ffffff !important;
  border: 1.5px solid #c8ccd4 !important;
  border-radius: 6px !important;
  cursor: pointer !important;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  color: #1a1a1a !important;
  letter-spacing: 0.02em !important;
  white-space: nowrap !important;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s !important;
  flex-shrink: 0 !important;
  user-select: none !important;
  height: 40px !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08) !important;
}

#site-header .burger-btn:hover {
  background-color: #f0f1f3 !important;
  border-color: #a0a5b0 !important;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1) !important;
}

#site-header .burger-btn.is-open {
  background-color: #e8e9ec !important;
  border-color: #a0a5b0 !important;
}

/* Three lines icon */
#site-header .burger-btn .btn-icon {
  display: flex !important;
  flex-direction: column !important;
  gap: 4px !important;
  width: 18px !important;
  flex-shrink: 0 !important;
}

#site-header .burger-btn .btn-icon span {
  display: block !important;
  width: 100% !important;
  height: 2px !important;
  background-color: #1a1a1a !important;
  border-radius: 2px !important;
  transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease !important;
  transform-origin: center !important;
}

/* Animate lines → X when open */
#site-header .burger-btn.is-open .btn-icon span:nth-child(1) {
  transform: translateY(6px) rotate(45deg) !important;
}

#site-header .burger-btn.is-open .btn-icon span:nth-child(2) {
  opacity: 0 !important;
  width: 0 !important;
}

#site-header .burger-btn.is-open .btn-icon span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg) !important;
}

/* Label */
#site-header .burger-btn .btn-label {
  font-size: 13px !important;
  font-weight: 600 !important;
  color: #1a1a1a !important;
  line-height: 1 !important;
}

/* ---------- Dropdown nav ---------- */
#site-header .nav-dropdown {
  display: none !important;
  position: absolute !important;
  top: 80px !important;
  right: 0 !important;
  width: 260px !important;
  background-color: #f2f3f5 !important;
  border-left: 1px solid #dde0e6 !important;
  border-bottom: 1px solid #dde0e6 !important;
  border-bottom-left-radius: 12px !important;
  box-shadow: -4px 8px 24px rgba(0, 0, 0, 0.1) !important;
  overflow: hidden !important;
}

#site-header .nav-dropdown.is-open {
  display: block !important;
}

#site-header .nav-dropdown ul {
  list-style: none !important;
  padding: 8px 0 !important;
}

#site-header .nav-dropdown ul li {
  border-bottom: 1px solid #e4e6ea !important;
}

#site-header .nav-dropdown ul li:last-child {
  border-bottom: none !important;
}

#site-header .nav-dropdown ul li a {
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  padding: 13px 24px !important;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  color: #1a1a1a !important;
  text-decoration: none !important;
  letter-spacing: 0.01em !important;
  transition: background 0.15s, color 0.15s !important;
}

#site-header .nav-dropdown ul li a:hover {
  background-color: #e6e8ec !important;
  color: #000 !important;
}

#site-header .nav-dropdown ul li a .nav-icon {
  font-size: 16px !important;
  width: 20px !important;
  text-align: center !important;
  flex-shrink: 0 !important;
  opacity: 0.75 !important;
}

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
  #site-header .header-inner {
    padding: 0 16px !important;
    height: 70px !important;
  }

  #site-header .header-slogan {
    font-size: 11px !important;
    max-width: 150px !important;
  }

  #site-header .header-brand img {
    width: 60px !important;
    height: 60px !important;
  }

  #site-header .nav-dropdown {
    top: 70px !important;
    width: 100% !important;
    border-left: none !important;
    border-radius: 0 !important;
  }
}