/* =========================================================
   Trang chủ cho khách chưa đăng nhập: trình chiếu banner sự kiện
   ========================================================= */

/* Khách chưa đăng nhập: chỉ giữ phần trên + banner, ẩn các thẻ tính năng và dịch vụ */
.home-guest .features,
.home-guest #homeServicesWrap { display: none !important; }

.promo { max-width: 1120px; margin: 30px auto 0; animation: promo-in .8s cubic-bezier(.2, .9, .3, 1) both; }
@keyframes promo-in { from { opacity: 0; transform: translateY(24px); } }

.promo-stage {
  position: relative; aspect-ratio: 2.3 / 1; overflow: hidden; touch-action: pan-y;
  background: radial-gradient(55% 65% at 50% 55%, rgba(255, 42, 61, .26), transparent 72%);
}
/* tia sáng nền xoay chậm */
.promo-stage::before {
  content: ''; position: absolute; left: 50%; top: 55%; width: 140%; aspect-ratio: 1; transform: translate(-50%, -50%);
  background: conic-gradient(from 0deg, transparent 0 6%, rgba(255, 42, 61, .16) 8%, transparent 11% 22%, rgba(255, 207, 63, .08) 24%, transparent 27% 41%, rgba(255, 42, 61, .14) 43%, transparent 46% 60%, rgba(255, 255, 255, .06) 62%, transparent 65% 79%, rgba(255, 42, 61, .14) 81%, transparent 84%);
  -webkit-mask: radial-gradient(circle, #000 15%, transparent 60%); mask: radial-gradient(circle, #000 15%, transparent 60%);
  animation: promo-rays 30s linear infinite; pointer-events: none;
}
@keyframes promo-rays { to { transform: translate(-50%, -50%) rotate(360deg); } }

.promo-slide {
  position: absolute; inset: 0; display: grid; place-items: center; padding: 2% 4%;
  opacity: 0; visibility: hidden; transform: translateX(9%) scale(.9); filter: blur(8px);
  transition: opacity .7s ease, transform .9s cubic-bezier(.2, .8, .2, 1), filter .7s ease, visibility 0s .9s;
}
.promo-slide.leave { opacity: 0; visibility: visible; transform: translateX(-9%) scale(1.06); filter: blur(8px); transition: opacity .6s ease, transform .8s ease, filter .6s ease, visibility 0s .8s; }
.promo-slide.active { opacity: 1; visibility: visible; transform: none; filter: none; z-index: 2; transition: opacity .7s ease, transform .9s cubic-bezier(.2, .8, .2, 1), filter .7s ease; }
.promo-slide img {
  max-width: 100%; max-height: 100%; object-fit: contain; display: block; user-select: none; -webkit-user-drag: none;
  filter: drop-shadow(0 10px 26px rgba(0, 0, 0, .6));
}
.promo-slide.active img { animation: promo-float 4.5s ease-in-out infinite, promo-pulse 2.4s ease-in-out infinite; }
@keyframes promo-float { 50% { transform: translateY(-8px) scale(1.012); } }
@keyframes promo-pulse { 50% { filter: drop-shadow(0 10px 26px rgba(0, 0, 0, .6)) drop-shadow(0 0 22px rgba(255, 42, 61, .55)); } }

/* vệt sáng quét qua khi đổi banner */
.promo-sweep {
  position: absolute; inset: -10% -40%; z-index: 3; pointer-events: none; opacity: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, .22) 48%, rgba(255, 90, 104, .35) 50%, rgba(255, 255, 255, .22) 52%, transparent 60%);
}
.promo-sweep.go { animation: promo-sweep .9s ease-out; }
@keyframes promo-sweep { from { opacity: 1; transform: translateX(-45%); } to { opacity: 0; transform: translateX(45%); } }

.promo-nav {
  position: absolute; top: 50%; z-index: 4; width: 46px; height: 46px; margin-top: -23px; border: 0; color: #fff; font-size: 26px; line-height: 1;
  background: rgba(6, 6, 8, .65); box-shadow: inset 0 0 0 1px var(--line-red);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  opacity: 0; transition: opacity .2s, background .2s;
}
.promo-nav.prev { left: 10px; } .promo-nav.next { right: 10px; }
.promo-stage:hover .promo-nav, .promo-nav:focus-visible { opacity: 1; }
.promo-nav:hover { background: var(--red); }

.promo-dots { display: flex; justify-content: center; gap: 8px; margin-top: 14px; }
.promo-dots button {
  position: relative; width: 34px; height: 5px; padding: 0; border: 0; background: rgba(255, 255, 255, .18); overflow: hidden;
  transform: skewX(-20deg);
}
.promo-dots button.active { width: 56px; }
.promo-dots button i { position: absolute; inset: 0; background: var(--red); box-shadow: 0 0 8px var(--red); transform-origin: left; transform: scaleX(0); }
.promo-dots button.done i { transform: scaleX(1); }
.promo-dots button.active i { animation: promo-progress var(--dur, 5s) linear forwards; }
.promo.paused .promo-dots button.active i { animation-play-state: paused; }
@keyframes promo-progress { to { transform: scaleX(1); } }

.promo-live {
  display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 16px; min-height: 22px;
  font-size: 14px; color: var(--silver); transition: opacity .35s;
}
.promo-live .dotlive { width: 8px; height: 8px; border-radius: 50%; background: var(--red); flex: none; animation: promo-ping 1.6s infinite; }
@keyframes promo-ping { 0% { box-shadow: 0 0 0 0 rgba(255, 42, 61, .7); } 70%, 100% { box-shadow: 0 0 0 8px rgba(255, 42, 61, 0); } }
.promo-live b { color: #fff; }
.promo-live b.p { color: var(--red); }

@media (max-width: 860px) {
  .promo { margin-top: 22px; }
  .promo-stage { aspect-ratio: 2 / 1; }
  .promo-nav { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .promo, .promo-stage::before, .promo-slide.active img { animation: none; }
  .promo-slide, .promo-slide.leave { transform: none; filter: none; }
}

/* ---------- Banner dạng băng chuyền ngang ---------- */
.promo.promo-belt { max-width: none; width: 100vw; margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw); }
.belt { position: relative; overflow: hidden; padding: 14px 0;
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.belt-track { display: flex; width: max-content; animation: belt-run 40s linear infinite; }
.belt:hover .belt-track, .belt.hold .belt-track { animation-play-state: paused; }
/* Ảnh banner giữ nguyên tỉ lệ (nhiều banner là ảnh tách nền), cao bằng nhau */
.belt-item { flex: none; display: block; margin-right: clamp(14px, 2vw, 28px); user-select: none; transition: transform .25s, filter .25s; }
.belt-item img { height: clamp(130px, 15vw, 220px); width: auto; display: block; pointer-events: none; filter: drop-shadow(0 10px 22px rgba(0, 0, 0, .55)); }
.belt-item:hover { transform: translateY(-5px) scale(1.03); filter: drop-shadow(0 0 18px rgba(255, 42, 61, .55)); }
@keyframes belt-run { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .belt { overflow-x: auto; } .belt-track { animation: none; } }