/* MẪU V2 — "Xem giá trước, chốt nhanh": gói + form nằm ngay đầu trang, video người dùng thật, tông xanh lá / vàng.
   Dùng chung cho 2 trang v2 (bộ cuộn dây, bộ vòi xịt). app.js giữ nguyên như v1 nên tên class/id không đổi. */
:root{--ink:#14211B;--muted:#5B6B62;--line:#DCE5DF;--bg:#EAF1EC;--card:#fff;--soft:#EEF7F1;--g:#0B6B3A;--g2:#0E8A4B;--g-dark:#07472A;--cta:#FFD60A;--cta-d:#E0B800;--cta-ink:#14211B;--red:#D62828;--r:16px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 "Nunito",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
[hidden]{display:none!important}
img,video{display:block;max-width:100%}
a{color:inherit}
.page{max-width:480px;margin:0 auto;background:var(--bg);min-height:100vh;padding-bottom:90px;overflow-x:hidden}
@media(min-width:520px){.page{box-shadow:0 0 40px rgba(20,33,27,.15)}}
section{padding:28px 16px}
h1,h2,h3{margin:0;line-height:1.22;letter-spacing:-.01em}
h1{font-size:23px;font-weight:900}
h2{font-size:22px;font-weight:900;margin-bottom:8px}
h3{font-size:17px;font-weight:800}
p{margin:0 0 12px}
.center{text-align:center}
.muted{color:var(--muted)}
.red{color:var(--red)}
.kicker{display:block;font-size:12.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--g2);margin-bottom:6px}

/* Khung media + khung chờ (bản nháp) */
.m{position:relative;aspect-ratio:var(--ar,1/1);overflow:hidden;background:#E3EBE5;border-radius:var(--r)}
.m>img,.m>video,.m>.ph{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ph{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:10px;text-align:center;border:2px dashed #94A3B8;border-radius:inherit;background:repeating-linear-gradient(45deg,#F1F5F9 0 10px,#E8EEF5 10px 20px);color:#334155;font-size:12px;line-height:1.35}
.ph b{font-size:13px;color:#0F172A;word-break:break-all}
.pack .ph,.sign .ph{padding:2px;border-width:1.5px}
.pack .ph span,.sign .ph span{display:none}
.pack .ph b,.sign .ph b{font-size:8.5px;line-height:1.2}

/* Nút */
.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:58px;padding:12px 16px;border:0;border-radius:999px;background:var(--cta);color:var(--cta-ink);font-family:inherit;font-weight:900;font-size:17px;line-height:1.2;text-align:center;text-decoration:none;cursor:pointer;box-shadow:0 5px 0 var(--cta-d),0 10px 24px rgba(255,214,10,.35)}
.btn:active{transform:translateY(3px);box-shadow:0 2px 0 var(--cta-d)}
.btn:disabled{opacity:.7;cursor:wait}
.btn-line{background:#fff;color:var(--g);border:2px solid var(--g);box-shadow:none;min-height:50px;font-size:15px}
.btn-zalo{background:#0068FF;color:#fff;box-shadow:0 5px 0 #0050C4;font-size:15px}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.025)}}
.pulse{animation:pulse 2.2s ease-in-out infinite}
@media(prefers-reduced-motion:reduce){.pulse{animation:none}html{scroll-behavior:auto}}

/* 1. Đầu trang xanh: ảnh + giá + gói + form */
.topbar{background:var(--g-dark);color:#D5F0DF;font-size:13px;font-weight:700;text-align:center;padding:8px 12px}
.topbar b{color:var(--cta)}
.hero{background:linear-gradient(180deg,var(--g) 0,var(--g2) 60%,var(--bg) 60%);color:#fff;padding:14px 16px 0}
.hero h1{color:#fff}
.hero h1 .hl{color:var(--cta)}
.hero .lead{font-size:14.5px;color:#E3F4EA;margin:6px 0 10px;line-height:1.45}
.hero-img{position:relative;aspect-ratio:9/5;border-radius:var(--r);overflow:hidden;background:#fff;box-shadow:0 14px 30px rgba(7,71,42,.3)}
.hero-img img{width:100%;height:100%;object-fit:cover;object-position:var(--pos,50% 50%)}
.price-tag{position:absolute;left:10px;bottom:10px;background:var(--cta);color:var(--cta-ink);border-radius:12px;padding:6px 12px;font-weight:900;line-height:1.1;text-decoration:none;box-shadow:0 4px 14px rgba(0,0,0,.25)}
.price-tag small{display:block;font-size:11px;font-weight:700}
.price-tag b{font-size:20px}
.sold{position:absolute;right:10px;top:10px;background:rgba(20,33,27,.75);color:#fff;font-size:12px;font-weight:700;padding:5px 10px;border-radius:99px}
.checks{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:6px;font-size:15px;font-weight:700}
.checks li{display:flex;gap:8px;align-items:flex-start}
.checks li::before{content:"✔";flex:0 0 22px;height:22px;border-radius:50%;background:var(--cta);color:var(--cta-ink);font-size:12px;display:grid;place-items:center;margin-top:1px}

/* Thẻ đặt hàng nổi trên nền */
.order-card{margin-top:14px;background:var(--card);color:var(--ink);border-radius:20px;padding:14px 14px 16px;box-shadow:0 16px 40px rgba(7,71,42,.18)}
.order-card>h2{font-size:19px;text-align:center;margin-bottom:2px}
.card-sub{margin:0 0 10px;text-align:center;font-size:13.5px;font-weight:700;color:var(--g)}
.deadline{display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap;font-size:12.5px;font-weight:700;color:var(--red);background:#FFF1F1;border-radius:10px;padding:6px 10px;margin:0 0 10px;text-align:center;line-height:1.3}
.timer{display:inline-flex;font-variant-numeric:tabular-nums;font-size:14px;font-weight:900}
.timer b+b::before{content:":"}
.packs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.pack{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;text-align:center;padding:12px 3px 10px;border:2px solid var(--line);border-radius:14px;background:#fff;cursor:pointer;transition:border-color .15s,box-shadow .15s}
.pack input{position:absolute;opacity:0;pointer-events:none}
.pack.on{border-color:var(--g2);background:var(--soft);box-shadow:0 0 0 3px rgba(14,138,75,.18)}
.pack .radio{display:none}
.pack .m{width:56px;--ar:1/1;border-radius:10px;margin-bottom:6px}
.pack-info{min-width:0;width:100%}
.pack-info b{display:block;font-size:14px;font-weight:900;white-space:nowrap}
.pack-info small{display:none}
.pack-price{margin-top:6px}
.pack-price b{display:block;font-size:16px;font-weight:900;color:var(--red)}
.pack-price s{font-size:11.5px;color:#94A3B8}
.pack-price em{display:inline-block;font-style:normal;font-size:10.5px;font-weight:800;color:#fff;background:var(--g2);padding:1px 6px;border-radius:99px;margin-top:2px}
.pack.on::after{content:"✔";position:absolute;top:-9px;right:-6px;width:22px;height:22px;border-radius:50%;background:var(--g2);color:#fff;font-size:12px;display:grid;place-items:center;box-shadow:0 0 0 2px #fff}
.badge{position:absolute;top:-10px;left:50%;transform:translateX(-50%);background:var(--red);color:#fff;font-size:10px;font-weight:900;padding:2px 8px;border-radius:99px;white-space:nowrap}
.pack-fit{margin:10px 0 0;font-size:13px;color:var(--muted);text-align:center;line-height:1.45}
.pack-fit b{color:var(--ink)}
.form{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}
.form h3{text-align:center;font-size:16px;margin-bottom:10px}
.summary{display:flex;justify-content:space-between;align-items:center;background:var(--soft);border-radius:12px;padding:10px 12px;margin:0 0 12px;font-size:15px;font-weight:800}
.summary b{color:var(--red);font-size:18px}
.summary.flash{animation:sumflash 1.2s ease}
@keyframes sumflash{0%,35%{background:#FFF3B0;box-shadow:0 0 0 3px rgba(255,214,10,.6)}100%{background:var(--soft);box-shadow:none}}
#order-form{scroll-margin-top:12px}
.field{margin-bottom:10px}
.field label{display:block;font-size:13.5px;font-weight:800;margin-bottom:4px}
.field input{width:100%;min-height:52px;padding:12px 14px;border:1.5px solid #C5D2C9;border-radius:12px;font:inherit;font-size:16px;color:var(--ink);background:#fff}
.field input:focus{outline:none;border-color:var(--g2);box-shadow:0 0 0 3px rgba(14,138,75,.15)}
.field .msg{display:none;color:var(--red);font-size:13px;margin-top:4px}
.field.err input{border-color:var(--red)}
.field.err .msg{display:block}
.secure{font-size:13px;color:var(--muted);text-align:center;margin:10px 0 0;line-height:1.5}
.form-err{color:var(--red);font-weight:700;text-align:center;font-size:14px;margin:10px 0 0}
.hp{position:absolute;left:-9999px;width:1px;height:1px}
.trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:16px 0 0}
.trust-row div{background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:8px 4px;text-align:center;font-size:11.5px;font-weight:800;line-height:1.25}
.trust-row i{display:block;font-style:normal;font-size:20px;margin-bottom:2px}

/* 2. Video người dùng thật */
.kol{background:var(--bg)}
.rail{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;margin:0 -16px;padding:4px 16px 10px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail>*{flex:0 0 66%;scroll-snap-align:center}
.hint{font-size:12.5px;color:var(--muted);text-align:center;margin:0}
.kol figure{margin:0}
.kol .m{--ar:9/16;background:#0B1F15}
.kol figcaption{margin-top:6px;font-size:13.5px;font-weight:700;text-align:center;line-height:1.35}
.snd{position:absolute;right:8px;bottom:8px;z-index:3;border:0;border-radius:99px;background:rgba(20,33,27,.7);color:#fff;font:inherit;font-size:12.5px;font-weight:800;padding:7px 11px;cursor:pointer}
.snd.on{background:var(--cta);color:var(--cta-ink)}

/* 3. Đánh giá TikTok: trượt ngang */
.reviews{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;margin:0 -16px;padding:4px 16px 10px;scrollbar-width:none}
.reviews::-webkit-scrollbar{display:none}
.rv{position:relative;flex:0 0 78%;scroll-snap-align:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;display:flex;flex-direction:column}
.rv-h{display:flex;align-items:center;gap:10px;margin-bottom:6px;padding-right:44px}
.av{flex:0 0 38px;height:38px;border-radius:50%;background:var(--soft);color:var(--g);font-weight:900;display:grid;place-items:center}
.rv-h b{display:block;font-size:14.5px;line-height:1.3}
.rv-h small{color:var(--muted);font-size:12px}
.stars{color:#F59E0B;letter-spacing:1px;font-size:14px}
.verified{color:var(--g2);font-size:11.5px;font-weight:800;margin-left:6px}
.rv p{font-size:14.5px;margin:6px 0 10px;flex:1}
.rv .m{--ar:4/3}
.sample{position:absolute;top:12px;right:12px;background:#FEF3C7;color:#92400E;font-size:11px;font-weight:800;padding:3px 7px;border-radius:6px}
.rv-shot{margin-top:auto;padding:8px 10px;border:1px solid var(--line);border-radius:10px;background:var(--soft);color:var(--g);font:inherit;font-size:13px;font-weight:800;cursor:pointer}
.rv-more{margin-top:6px}
.reviews-note{font-size:13px;color:var(--muted);margin:-2px 0 10px;line-height:1.45}
.stat-line{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;font-size:14px;font-weight:800;margin:0 0 12px}
.stat-line span b{color:var(--g)}
.shot-card{background:#fff;border-radius:16px;padding:10px;width:100%;max-width:780px;text-align:center}
.shot-scroll{overflow:auto;max-height:70vh;border:1px solid var(--line);border-radius:10px;-webkit-overflow-scrolling:touch}
.shot-scroll img{display:block;width:740px;max-width:none;height:auto}
.shot-hint{font-size:12.5px;color:var(--muted);margin:8px 0 0}

/* 4. Vì sao đáng tiền: lưới ảnh */
.why{background:#fff}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.tile{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.tile .m{--ar:1/1;border-radius:0}
.tile.wide{grid-column:1/-1}
.tile.wide .m{--ar:16/10}
.tile p{margin:0;padding:10px;font-size:13.5px;font-weight:800;line-height:1.35}
.tile p small{display:block;font-weight:600;color:var(--muted);font-size:12.5px;margin-top:2px}
.box-list{margin:16px 0 0;padding:14px;border-radius:14px;background:var(--soft);border:1px solid #CFE5D8}
.box-list h3{font-size:15.5px;margin-bottom:6px}
.box-list ul{list-style:none;padding:0;margin:0;display:grid;gap:6px;font-size:14.5px}
.box-list li{display:flex;justify-content:space-between;gap:10px}
.box-list li span:last-child{color:var(--g2);font-weight:800;white-space:nowrap}
.total{font-weight:800;text-align:center;font-size:14.5px;margin:10px 0 0}
.ugc{max-width:270px;margin:14px auto 0}
.ugc .m{--ar:9/16}

/* 5. Hỏi nhanh đáp gọn: kiểu tin nhắn */
.qa{background:var(--bg)}
.chat{display:grid;gap:10px;margin-top:14px}
.chat .q,.chat .a{max-width:88%;padding:10px 14px;border-radius:16px;font-size:14.5px;line-height:1.45}
.chat .q{justify-self:end;background:var(--g2);color:#fff;border-bottom-right-radius:4px;font-weight:700}
.chat .a{justify-self:start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.chat .a b{color:var(--g)}
.cross{display:block;margin-top:14px;padding:12px 14px;border-radius:14px;background:#fff;border:1px dashed var(--g2);text-decoration:none;font-size:14.5px;line-height:1.45}
.cross b{color:var(--g)}

/* 6. Cam kết */
.guard{background:#fff}
.guard-box{border-radius:18px;padding:16px;background:var(--g-dark);color:#fff}
.guard-box h2{color:#fff;font-size:19px;text-align:center}
.guard-box ol{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:8px}
.guard-box li{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:10px 12px;font-size:14.5px;line-height:1.45}
.guard-box li strong{display:block;color:var(--cta);margin-bottom:2px}
.sign{display:flex;align-items:center;gap:12px;margin-top:14px;font-size:13px;color:#CFE5D8;line-height:1.5}
.sign .m{flex:0 0 48px;--ar:1/1;border-radius:50%}
.sign a{color:#fff;font-weight:800}

/* 7. Chốt cuối + footer */
.final{background:var(--bg);text-align:center;padding-top:8px}
.final h2{font-size:21px}
.final .note{font-size:14px;color:var(--muted);margin:0 0 14px}
footer{background:var(--g-dark);color:#A9CDB8;font-size:13px;padding:22px 16px 30px;text-align:center;line-height:1.7}
footer b{color:#fff;text-transform:uppercase}
footer a{color:#fff}

/* Thanh dính đáy */
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:50;transform:translateY(110%);transition:transform .25s}
.sticky.show{transform:none}
.sticky-in{max-width:480px;margin:0 auto;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(20,33,27,.12);padding:10px 12px calc(10px + env(safe-area-inset-bottom));display:flex;align-items:center;gap:10px}
.sticky-price{flex:0 0 auto;line-height:1.2}
.sticky-price small{display:block;font-size:11px;color:var(--muted)}
.sticky-price b{font-size:18px;color:var(--red)}
.sticky .btn{min-height:50px;font-size:15px;box-shadow:0 4px 0 var(--cta-d)}

/* Popup */
.modal{position:fixed;inset:0;z-index:100;background:rgba(7,71,42,.7);display:grid;place-items:center;padding:16px}
.modal-card{background:#fff;border-radius:20px;max-width:420px;width:100%;padding:24px 18px;text-align:center}
.modal-card .big{font-size:44px;line-height:1;margin-bottom:8px}
.link{background:none;border:0;color:var(--muted);text-decoration:underline;font:inherit;margin-top:10px;cursor:pointer;padding:8px}
.draft-note{font-size:12.5px;color:#92400E;background:#FEF3C7;border-radius:8px;padding:8px;margin:10px 0 0}

/* Bảng nháp (chỉ hiện khi xem trên máy) */
.draft{position:fixed;top:8px;left:8px;right:8px;z-index:200;max-width:464px;margin:0 auto;background:#111827;color:#F9FAFB;border-radius:12px;font-size:13px;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.draft summary{padding:10px 12px;cursor:pointer;font-weight:700}
.draft-body{max-height:60vh;overflow:auto;padding:0 12px 12px}
.draft h4{margin:12px 0 4px;font-size:12px;color:#FCD34D;text-transform:uppercase;letter-spacing:.05em}
.draft ul{margin:0;padding-left:18px}
.draft li{margin:3px 0}