/* Trang sản phẩm dạng kể chuyện (inc/pdp-story.php). Dùng biến màu của theme nên chạy cả nền sáng lẫn tối. */

/* Xuất hiện khi cuộn tới: chỉ ẩn khi JS đã chạy (html.st-js); phần đang nằm trong màn hình hiện luôn */
.st-js .st-rv{opacity:0;transform:translateY(32px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.st-js .st-rv.in{opacity:1;transform:none}
.st-kick{font-size:.8rem;font-weight:700;letter-spacing:.28em;text-transform:uppercase;color:var(--pk-tx);margin:0}
[id^="pf-"]{scroll-margin-top:calc(var(--hdr,64px) + 24px)}

/* Liên kết thay cho các dòng "+" */
.st-more{display:inline-flex;align-items:center;gap:8px;margin-top:20px;color:var(--pk-tx);font-weight:700;text-decoration:none}
.st-more span{transition:transform .25s}.st-more:hover span{transform:translateY(3px)}

/* Dải cam kết chạy ngang */
.st-mq{background:var(--pk-on);color:#fff;overflow:hidden;white-space:nowrap;padding:12px 0;margin-top:48px}
.st-mq-t{display:inline-flex;gap:48px;padding-left:48px;animation:stmq 36s linear infinite;will-change:transform}
.st-mq span{font-size:.85rem}
.st-mq b{font-weight:700;letter-spacing:.12em;text-transform:uppercase;margin-right:6px}
.st-mq:hover .st-mq-t{animation-play-state:paused}
@keyframes stmq{to{transform:translateX(-50%)}}

/* Điểm nổi bật: câu giới thiệu + hàng ảnh–chữ xen kẽ */
.st-feat{padding:clamp(64px,10vw,130px) 0}
.st-words{max-width:24ch;margin:0 auto clamp(48px,7vw,96px);text-align:center;font-size:clamp(1.7rem,3.8vw,2.9rem);font-weight:700;line-height:1.25;text-wrap:balance}
.st-words em{font-style:normal;color:var(--pk-tx)}
.st-js .st-words .stw{opacity:.2;transition:opacity .35s}
.st-js .st-words .stw.lit{opacity:1}
.st-rows{display:grid;gap:clamp(48px,8vw,110px)}
.st-row{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,72px);align-items:center}
.st-row:nth-child(even) .st-pic{order:2}
.st-row.noimg{grid-template-columns:1fr;max-width:720px;margin:0 auto;text-align:center}
.st-pic{border-radius:24px;overflow:hidden;background:var(--img);aspect-ratio:1}
.st-pic img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s cubic-bezier(.2,.7,.2,1)}
.st-js .st-row .st-pic img{transform:scale(1.08)}
.st-js .st-row.in .st-pic img{transform:none}
.st-row-t{display:grid;gap:12px;min-width:0}
.st-row-t h3{font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.15;margin:0;text-wrap:balance}
.st-row-t p{margin:0}
.st-row-t p:not(.st-kick){color:var(--tx2);font-size:1.05rem;max-width:46ch}
.st-row.noimg .st-row-t p{margin-inline:auto}

/* Đầu mục bên trái, ảnh chi tiết bên phải (kiểu LELO) */
.st-list{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,72px);align-items:start}
.st-list ol{list-style:none;margin:0;padding:0;border-bottom:1px solid var(--ln)}
.st-li{padding:24px 0;border-top:1px solid var(--ln);cursor:pointer;opacity:.45;transition:opacity .35s;outline-offset:6px}
.st-li.on,.st-li:hover{opacity:1}
.st-li .st-kick{margin:0 0 8px 34px}
.st-li h3{display:flex;gap:14px;align-items:baseline;margin:0;font-size:clamp(1.15rem,2vw,1.45rem);letter-spacing:.04em;text-transform:uppercase}
.st-li h3 b{min-width:20px;color:var(--pk-tx);font-variant-numeric:tabular-nums}
.st-li p:not(.st-kick){margin:10px 0 0 34px;color:var(--tx2);max-width:46ch}
.st-li-pic{display:none}
.st-list-pic{position:sticky;top:calc(var(--hdr,64px) + 32px);aspect-ratio:1;border-radius:24px;overflow:hidden;background:var(--img)}
.st-list-pic img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.05);transition:opacity .6s,transform 1.2s cubic-bezier(.2,.7,.2,1)}
.st-list-pic img.on{opacity:1;transform:none}

/* Cách dùng kiểu LELO: các ô bước nằm ngang, bước đang chọn mở ra phần chữ */
.st-how{padding:clamp(64px,9vw,120px) 0}
.st-how-h{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.st-how-h h2{margin:0}
.st-nav{display:flex;gap:10px}
.st-nav button{width:48px;height:48px;border-radius:50%;border:1.5px solid var(--ln);background:none;color:var(--tx);font-size:1.1rem;cursor:pointer;transition:border-color .2s}
.st-nav button:hover{border-color:var(--pk)}
.st-steps{list-style:none;margin:0;padding:0;display:flex;gap:16px;container-type:inline-size}
.st-st{display:flex;align-items:flex-start;flex:none;cursor:pointer;outline-offset:4px}
.st-st-pic{position:relative;flex:none;width:clamp(110px,calc((100cqi - 380px - (var(--n) - 1) * 16px) / var(--n)),440px);aspect-ratio:1;border-radius:18px;overflow:hidden;background:var(--card)}
.st-st-pic img{width:100%;height:100%;object-fit:cover}
.st-st-pic::after{content:"";position:absolute;inset:0;background:var(--bg);opacity:.55;transition:opacity .35s}
.st-st-pic .n{position:absolute;z-index:1;top:10px;left:12px;font-weight:800;font-size:1rem;color:#fff;text-shadow:0 1px 6px rgba(0,0,0,.45)}
.st-st-pic.noimg{display:grid;place-items:center}
.st-st-pic.noimg .n{position:static;font-size:clamp(3rem,6vw,4.5rem);line-height:1;color:transparent;-webkit-text-stroke:1.5px var(--pk);text-shadow:none}
.st-st-t{width:0;opacity:0;overflow:hidden;transition:width .45s cubic-bezier(.2,.7,.2,1),opacity .3s}
.st-st-t>*{width:340px;margin:0}
.st-st-t{padding-left:0}
.st-st-t small{display:block;padding:6px 0 0 22px;font-size:.75rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--pk-tx)}
.st-st-t h3{padding:8px 0 0 22px;font-size:1.35rem}
.st-st-t p{padding:10px 0 0 22px;color:var(--tx2)}
.st-st.on .st-st-t{width:362px;opacity:1}
.st-st.on .st-st-pic::after{opacity:0}
@media (min-width:992px){.st-how .st-nav{display:none}}
@media (max-width:991px){
  .st-steps{overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:4px}
  .st-steps::-webkit-scrollbar{display:none}
  .st-st{flex:0 0 min(280px,78%);flex-direction:column;scroll-snap-align:start;cursor:default}
  .st-st-pic{width:100%}
  .st-st-pic::after{opacity:0}
  .st-st-t,.st-st.on .st-st-t{width:auto;opacity:1}
  .st-st-t>*{width:auto}
  .st-st-t small,.st-st-t h3,.st-st-t p{padding-left:0}
  .st-st-t small{padding-top:14px}
}

/* Dải chữ lớn trôi ngang */
.st-band{overflow:hidden;padding:clamp(56px,8vw,110px) 0}
.st-band div{font-size:clamp(3.5rem,13vw,11rem);font-weight:800;line-height:.95;letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;will-change:transform}
.st-band .o{color:transparent;-webkit-text-stroke:1.5px var(--ln)}
.st-band .pk{color:var(--pk);padding-left:8vw}

/* Thông số + Lưu ý */
.st-spec{padding:clamp(64px,9vw,120px) 0}
.st-spec h2{margin:0}
.st-spec-g{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(24px,5vw,64px);align-items:start;margin-top:32px}
.st-spec-g.one{grid-template-columns:1fr;max-width:760px}
.st-spec table{width:100%;border-collapse:collapse}
.st-spec th,.st-spec td{text-align:left;padding:14px 0;border-bottom:1px solid var(--ln);vertical-align:top}
.st-spec th{color:var(--tx2);font-weight:500;width:38%;padding-right:16px}
.st-note{padding:22px 24px;border-radius:20px;background:var(--card);border-left:4px solid var(--pk)}
.st-note h3{margin:0 0 10px;font-size:1.1rem}
.st-note ul{margin:0;padding-left:18px;color:var(--tx2);display:grid;gap:6px}

/* Thanh dính đáy: đầu mục + giá + nút mua */
.st-buy{position:fixed;left:0;right:0;bottom:0;z-index:40;background:var(--bg);border-top:1px solid var(--ln);box-shadow:0 -8px 24px var(--shade);transform:translateY(110%);transition:transform .45s cubic-bezier(.2,.7,.2,1);padding-bottom:env(safe-area-inset-bottom,0px)}
.st-buy.on{transform:none}
.st-buy .w{display:flex;align-items:center;gap:20px;min-height:72px}
.st-spy{display:flex;gap:26px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
.st-spy::-webkit-scrollbar{display:none}
.st-spy a{position:relative;flex:none;padding:8px 0;color:var(--tx2);text-decoration:none;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;white-space:nowrap;transition:color .2s}
.st-spy a::after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;background:var(--pk);transition:right .35s cubic-bezier(.2,.7,.2,1)}
.st-spy a:hover,.st-spy a.on{color:var(--tx)}
.st-spy a.on::after{right:0}
.st-buy-r{display:flex;align-items:center;gap:16px;flex:none}
.st-buy-p{font-weight:800;font-size:1.15rem;white-space:nowrap}
.st-buy .btn{min-height:46px;padding:0 22px;font-size:1rem}

@media (max-width:860px){
  .st-row,.st-spec-g,.st-list{grid-template-columns:1fr}
  .st-list-pic{display:none}
  .st-li{opacity:1;cursor:default}
  .st-li-pic{display:block;aspect-ratio:1;border-radius:20px;overflow:hidden;background:var(--img);margin-bottom:16px}
  .st-li-pic img{width:100%;height:100%;object-fit:cover}
  .st-row:nth-child(even) .st-pic{order:0}
  .st-buy .w{flex-wrap:wrap;gap:0;min-height:0;padding-top:4px;padding-bottom:10px}
  .st-spy{flex:0 0 100%;gap:20px;border-bottom:1px solid var(--ln);margin-bottom:10px}
  .st-spy a{font-size:.72rem;letter-spacing:.1em;padding:10px 0}
  .st-buy-r{flex:1;justify-content:space-between}
}
@media (prefers-reduced-motion:reduce){
  .st-mq-t{animation:none}
  .st-js .st-rv,.st-js .st-row .st-pic img{opacity:1;transform:none;transition:none}
  .st-js .st-words .stw{opacity:1}
  .st-band div{transform:none!important}
}

/* Khi thanh hiện: đẩy nút Zalo, khung chat, thông báo lên trên thanh */
body.st-bar .zalo{bottom:calc(88px + env(safe-area-inset-bottom,0px))}
body.st-bar .chm,body.st-bar .chl{bottom:calc(148px + env(safe-area-inset-bottom,0px))}
body.st-bar .toast{bottom:92px}
@media (max-width:860px){
  body.st-bar .zalo{bottom:calc(130px + env(safe-area-inset-bottom,0px))}
  body.st-bar .chm,body.st-bar .chl{bottom:calc(190px + env(safe-area-inset-bottom,0px))}
  body.st-bar .toast{bottom:136px}
}

/* Khối "Mở hộp": video dọc trong khung bo tròn */
.st-vid{padding:clamp(48px,8vw,104px) 0 0}
.st-vid-g{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:clamp(24px,6vw,96px);align-items:center}
.st-vid-t h2{margin:0 0 12px;font-size:clamp(1.8rem,4.2vw,3.2rem);line-height:1.05;letter-spacing:-.03em}
.st-vid-t p:not(.st-kick){margin:0;color:var(--tx2);max-width:38ch}
.st-vid-f{position:relative;width:min(360px,78vw);aspect-ratio:9/16;border-radius:28px;overflow:hidden;background:var(--img)}
.st-vid-v{display:block;width:100%;height:100%;object-fit:cover}
.st-vid-v{cursor:pointer}
.st-vid-c{position:absolute;left:10px;right:10px;bottom:10px;display:flex;align-items:center;gap:4px;padding:4px 6px;border-radius:999px;background:rgba(30,30,30,.78);color:#fff}
.st-vid-c button{flex:none;width:36px;height:36px;border:0;border-radius:50%;background:none;color:inherit;display:grid;place-items:center;cursor:pointer;padding:0}
.st-vid-c svg{width:20px;height:20px;fill:currentColor}
.st-vid-c button:focus-visible,.st-vid-r:focus-visible{outline:2px solid var(--pk);outline-offset:2px}
.st-vid .i-pause,.st-vid .i-on{display:none}
.st-vid.play .i-pause{display:block}.st-vid.play .i-play{display:none}
.st-vid.snd .i-on{display:block}.st-vid.snd .i-off{display:none}
.st-vid-r{flex:1;min-width:0;height:24px;margin:0 4px;background:none;-webkit-appearance:none;appearance:none;cursor:pointer;--p:0%}
.st-vid-r::-webkit-slider-runnable-track{height:4px;border-radius:4px;background:linear-gradient(to right,#ED1B80 var(--p),rgba(255,255,255,.35) var(--p))}
.st-vid-r::-moz-range-track{height:4px;border-radius:4px;background:rgba(255,255,255,.35)}
.st-vid-r::-moz-range-progress{height:4px;border-radius:4px;background:#ED1B80}
.st-vid-r::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;margin-top:-5px;border-radius:50%;background:#fff;border:0}
.st-vid-r::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;border:0}
.st-vid-tm{flex:none;font-size:.75rem;font-variant-numeric:tabular-nums;min-width:32px;text-align:right;opacity:.9}
@media(max-width:767px){.st-vid-g{grid-template-columns:1fr;justify-items:center;text-align:center}.st-vid-t p:not(.st-kick){margin:0 auto}}
/* Toàn màn hình: hiện đủ khung dọc, không cắt trên dưới */
.st-vid-v:fullscreen{object-fit:contain;background:#000}
.st-vid-v:-webkit-full-screen{object-fit:contain;background:#000}

/* Câu giới thiệu lớn: người viết tự xuống dòng bằng Enter; dòng dài thì JS thu nhỏ chữ cho vừa */
.st-words-m{max-width:none;white-space:nowrap;text-wrap:nowrap}
.st-words-m.st-fit-wrap{white-space:normal;text-wrap:balance}