/* Nút Chăm sóc khách hàng (Zalo OA) – hàng trên cùng của header */
.aw-cskh { position: relative; display: flex; justify-content: flex-end; }
.aw-cskh__btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 3px 12px 3px 3px; border-radius: 999px;
  background: #0068ff; color: #fff !important; text-decoration: none !important;
  font: 600 12px/1 "Be Vietnam Pro", sans-serif; letter-spacing: .01em;
  box-shadow: 0 1px 0 rgba(0, 0, 0, .08);
  transition: background .2s, box-shadow .2s;
}
.aw-cskh__btn:hover, .aw-cskh__btn:focus-visible { background: #0052cc; box-shadow: 0 0 0 2px rgba(226, 121, 41, .55); }
.aw-cskh__btn:focus-visible { outline: 2px solid #e27929; outline-offset: 2px; }
/* icon Zalo – ánh kim chạy (kiểu Metallic Paint, làm bằng CSS) */
.aw-cskh__zalo {
  display: inline-flex; align-items: center; justify-content: center;
  height: 22px; padding: 0 7px; border-radius: 999px;
  color: #0050c8; font: 800 10.5px/1 Arial, sans-serif; letter-spacing: 0; text-transform: none;
  background: linear-gradient(115deg, #b9c2cc 0%, #f7f9fb 18%, #8e99a6 34%, #ffffff 50%, #a9b3be 66%, #eef1f4 82%, #b9c2cc 100%);
  background-size: 300% 100%;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .9), inset 0 -1px 0 rgba(0, 0, 0, .18);
  animation: aw-metal 4.5s linear infinite;
}
@keyframes aw-metal { from { background-position: 0% 50%; } to { background-position: 300% 50%; } }
/* chấm xanh lá: đang trực */
.aw-cskh__label { display: inline-flex; align-items: center; gap: 6px; }
.aw-cskh__label::after {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: #8cc63f; box-shadow: 0 0 0 2px rgba(140, 198, 63, .35);
}
.aw-cskh__pop {
  position: absolute; top: calc(100% + 10px); right: 0; z-index: 1000;
  width: 200px; padding: 14px 14px 10px; border-radius: 10px;
  background: #fffcf7; border: 1px solid #cdb9a2; border-top: 3px solid #e27929; box-shadow: 0 10px 30px rgba(36, 26, 18, .18);
  text-align: center; opacity: 0; visibility: hidden; transform: translateY(-4px);
  transition: opacity .18s, transform .18s, visibility .18s;
}
.aw-cskh__pop::before { content: ""; position: absolute; top: -12px; left: 0; right: 0; height: 12px; }
.aw-cskh__pop img { display: block; width: 168px; height: 168px; margin: 0 auto 8px; }
.aw-cskh__pop p { margin: 0; color: #241a12; font: 400 12.5px/1.4 "Be Vietnam Pro", sans-serif; }
.aw-cskh:hover .aw-cskh__pop, .aw-cskh:focus-within .aw-cskh__pop { opacity: 1; visibility: visible; transform: none; }
@media (hover: none) { .aw-cskh__pop { display: none; } }
@media (prefers-reduced-motion: reduce) { .aw-cskh__btn, .aw-cskh__pop { transition: none; } .aw-cskh__zalo { animation: none; background-position: 40% 50%; } }

/* Icon mạng xã hội – footer */
.aw-socials { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 0; padding: 0; list-style: none; }
.aw-socials li { margin: 0; padding: 0; }
.aw-soc {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid rgba(247, 242, 236, .35); color: #f7f2ec !important; text-decoration: none !important;
  transition: background .2s, border-color .2s, color .2s;
}
.aw-soc:hover, .aw-soc:focus-visible { background: #f7f2ec; border-color: #f7f2ec; color: #6b4c37 !important; }
.aw-soc:focus-visible { outline: 2px solid #e27929; outline-offset: 2px; }