/* =========================================================
   HQV — LANDING "CHÌA KHÓA TRAO TAY" v2 (chia-khoa-trao-tay.html)
   Dùng token màu/font của style.css. Mọi tiêu đề line-height ≥ 1.25 (dấu tiếng Việt).
   ========================================================= */
body.lp{--lp-ease:cubic-bezier(.2,.7,.2,1)}
body.lp h1,body.lp h2,body.lp h3{line-height:1.28}
body.lp .section{padding:88px 0}
body.lp .section-head{margin-bottom:44px}
body.lp .section-head h2{font-size:clamp(26px,3.2vw,40px);line-height:1.25}
body.lp .section-head .eyebrow{color:var(--gold)}
body.lp .dark .section-head .eyebrow{color:var(--gold-light)}

/* ---------- Header ---------- */
.lp-head-cta{display:flex;align-items:center;gap:18px}
.lp-tel{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--green-700);font:800 18px/1.2 var(--font-head)}
.lp-tel .ico{width:30px;height:30px}
.lp-tel small{display:block;font:500 11px/1.3 var(--font-body);color:var(--muted);letter-spacing:.3px;text-transform:uppercase}
.header.scrolled{box-shadow:0 6px 24px rgba(0,0,0,.1)}

/* ---------- Hero ---------- */
.lp-hero{position:relative;overflow:hidden;color:#fff;background:var(--green-950);min-height:calc(100vh - 80px);min-height:calc(100svh - 80px);display:flex;align-items:center}
.lp-slides{position:absolute;inset:0}
.lp-slides div{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;animation:lpSlide 18s infinite;will-change:opacity,transform}
.lp-slides div:nth-child(2){animation-delay:6s}
.lp-slides div:nth-child(3){animation-delay:12s}
@keyframes lpSlide{0%{opacity:0;transform:scale(1.02)}6%{opacity:1}33%{opacity:1;transform:scale(1.1)}40%{opacity:0;transform:scale(1.12)}100%{opacity:0}}
.lp-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(4,33,15,.96) 0%,rgba(4,33,15,.88) 34%,rgba(4,33,15,.45) 60%,rgba(4,33,15,.2) 100%);z-index:1}
.lp-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:linear-gradient(90deg,var(--gold),var(--red));z-index:2}
.lp-hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;padding:64px 0 56px}
.lp-hero .eyebrow{color:var(--gold-light);display:inline-flex;align-items:center;gap:10px;margin-bottom:18px}
.lp-hero .eyebrow::before{content:"";width:28px;height:2px;background:var(--gold)}
.lp-hero h1{font:800 clamp(32px,4.2vw,54px)/1.22 var(--font-head);margin:0 0 20px;text-wrap:balance}
.lp-hero h1 span{color:var(--gold-light)}
.lp-hero .lead{font-size:18px;line-height:1.7;color:#DCE6DE;margin:0 0 26px;max-width:560px}
.lp-chips{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 28px;padding:0;list-style:none}
.lp-chips li{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(6px);border-radius:999px;padding:9px 16px;font:600 13.5px var(--font-head);color:#fff}
.lp-chips .ico{width:18px;height:18px;color:var(--gold-light)}
.lp-hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.lp-quick{background:#fff;color:var(--ink);border-radius:8px;padding:30px 30px 26px;box-shadow:0 30px 70px rgba(0,0,0,.45);position:relative;overflow:hidden}
.lp-quick::before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:linear-gradient(90deg,var(--gold),var(--gold-light))}
.lp-quick .lp-badge{position:absolute;right:18px;top:18px;background:var(--green-100);color:var(--green-700);font:700 11px var(--font-head);letter-spacing:1px;text-transform:uppercase;padding:6px 10px;border-radius:999px}
.lp-quick h3{font:800 22px/1.3 var(--font-head);color:var(--green-700);margin:4px 0 4px}
.lp-quick .note{font-size:14px;color:var(--muted);margin-bottom:18px}
.lp-quick .field{margin-bottom:12px}
.lp-quick .consent{margin:4px 0 16px}
.lp-quick .btn{width:100%;min-height:52px;font-size:15px}
.lp-quick .lp-safe{display:flex;align-items:center;gap:8px;justify-content:center;margin:12px 0 0;font-size:12.5px;color:var(--muted)}
.lp-quick .lp-safe .ico{width:16px;height:16px;color:var(--green-700)}
.lp-hero .img-note{position:absolute;right:16px;bottom:12px;z-index:2;font-size:11px;color:rgba(255,255,255,.7)}

/* ---------- Ticker ---------- */
.lp-ticker{background:var(--green-900);color:#fff;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.08)}
.lp-ticker-track{display:flex;width:max-content;animation:lpTick 38s linear infinite}
.lp-ticker:hover .lp-ticker-track{animation-play-state:paused}
.lp-ticker span{display:inline-flex;align-items:center;gap:14px;padding:14px 28px;font:700 13px var(--font-head);letter-spacing:1.2px;text-transform:uppercase;white-space:nowrap}
.lp-ticker span::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--gold)}
@keyframes lpTick{to{transform:translateX(-50%)}}

/* ---------- So sánh ---------- */
.lp-compare{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
.lp-col{border-radius:8px;padding:34px 32px;position:relative}
.lp-col h3{font:800 19px/1.3 var(--font-head);text-transform:uppercase;margin-bottom:20px;display:flex;align-items:center;gap:12px}
.lp-col h3 i{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;font-style:normal;font-size:16px}
.lp-col ul{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.lp-col li{position:relative;padding-left:32px;line-height:1.65}
.lp-col li::before{position:absolute;left:0;top:1px;font:800 15px var(--font-head)}
.lp-col-bad{background:#FBF6F6;border:1px solid #F0DADA;color:#4A3A3A}
.lp-col-bad h3{color:var(--red-dark)}
.lp-col-bad h3 i{background:#F7DCDE;color:var(--red)}
.lp-col-bad li::before{content:"✕";color:var(--red)}
.lp-col-good{background:var(--green-700);color:#E9F1EB;border:2px solid var(--gold);box-shadow:0 24px 50px rgba(11,74,38,.25)}
.lp-col-good h3{color:#fff}
.lp-col-good h3 i{background:var(--gold);color:var(--green-950)}
.lp-col-good li::before{content:"✓";color:var(--gold-light)}
.lp-col-good b{color:#fff}
.lp-col-good .lp-tag{position:absolute;top:-14px;right:24px;background:var(--gold);color:var(--green-950);font:800 11px var(--font-head);letter-spacing:1.2px;text-transform:uppercase;padding:7px 14px;border-radius:999px}

/* ---------- Hành trình (carousel) ---------- */
.lp-journey{position:relative}
.lp-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:6px 6px 18px;margin:0 -6px}
.lp-track::-webkit-scrollbar{display:none}
.lp-card{flex:0 0 min(420px,82vw);scroll-snap-align:start;background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 12px 34px rgba(0,0,0,.08);position:relative;transition:transform .4s var(--lp-ease)}
.lp-card img{aspect-ratio:4/3;width:100%;object-fit:cover;display:block}
.lp-card .lp-num{position:absolute;left:18px;top:18px;background:var(--green-950);color:var(--gold-light);font:800 13px var(--font-head);letter-spacing:1.5px;padding:8px 12px;border-radius:4px}
.lp-card div{padding:20px 22px 24px}
.lp-card b{display:block;font:800 18px/1.3 var(--font-head);color:var(--green-700);margin-bottom:8px}
.lp-card span{font-size:15px;line-height:1.65;color:var(--muted)}
.lp-nav{display:flex;justify-content:center;align-items:center;gap:14px;margin-top:10px}
.lp-nav button{width:44px;height:44px;border-radius:50%;border:2px solid var(--green-700);background:#fff;color:var(--green-700);font-size:22px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.lp-nav button:hover{background:var(--green-700);color:#fff}
.lp-dots{display:flex;gap:8px}
.lp-dots i{width:8px;height:8px;border-radius:50%;background:#CFD8D1;transition:all .3s}
.lp-dots i.on{width:26px;border-radius:4px;background:var(--gold)}

/* ---------- Lợi ích combo ---------- */
.lp-benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.lp-benefits>div{padding:34px 30px;border-radius:10px;background:#fff;border:1px solid var(--line);position:relative;overflow:hidden;transition:transform .3s var(--lp-ease),box-shadow .3s}
.lp-benefits>div:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(0,0,0,.1)}
.lp-benefits>div::before{content:attr(data-n);position:absolute;right:18px;top:8px;font:800 72px/1 var(--font-head);color:var(--green-100)}
.lp-benefits .ico{width:44px;height:44px;color:var(--green-700);margin-bottom:18px;position:relative}
.lp-benefits h3{font:800 18px/1.3 var(--font-head);color:var(--green-700);margin-bottom:10px;position:relative}
.lp-benefits p{font-size:15px;color:var(--muted);margin:0;position:relative}

/* ---------- Video ---------- */
.lp-video{background:var(--green-950);color:#fff;padding:0;position:relative}
.lp-video .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center;padding:80px 0}
.lp-video h2{font:800 clamp(26px,3vw,38px)/1.25 var(--font-head);text-transform:uppercase;margin:0 0 16px}
.lp-video h2 span{color:var(--gold-light)}
.lp-video p{color:#C9D7CC;font-size:16.5px}
.lp-video .lp-legal{list-style:none;padding:0;margin:24px 0 26px}
.lp-video .lp-legal li{padding:10px 0;border-top:1px solid rgba(255,255,255,.12);font-size:14.5px}
.lp-video .lp-legal span{display:block;font:700 11.5px var(--font-head);letter-spacing:1.2px;text-transform:uppercase;color:var(--gold-light);margin-bottom:2px}
.lp-player{position:relative;border-radius:12px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.1)}
.lp-player video{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:#000}
.lp-player .lp-cap{position:absolute;left:0;right:0;bottom:0;padding:38px 20px 14px;background:linear-gradient(transparent,rgba(0,0,0,.75));font-size:13px;color:#E7EEE8;display:flex;justify-content:space-between;align-items:center;gap:12px}
.lp-player .lp-live{display:inline-flex;align-items:center;gap:8px;font:700 11px var(--font-head);letter-spacing:1.2px;text-transform:uppercase;color:#fff}
.lp-player .lp-live::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 0 0 rgba(179,18,27,.7);animation:lpPulse 1.6s infinite}
@keyframes lpPulse{to{box-shadow:0 0 0 10px rgba(179,18,27,0)}}

/* ---------- Quy trình ---------- */
.lp-steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative;counter-reset:st}
.lp-steps::before{content:"";position:absolute;left:8.3%;right:8.3%;top:30px;height:2px;background:rgba(212,160,44,.25)}
.lp-steps::after{content:"";position:absolute;left:8.3%;top:30px;height:2px;width:0;background:var(--gold);transition:width 1.6s var(--lp-ease)}
.lp-steps.go::after{width:83.4%}
.lp-steps li{text-align:center;padding:0 12px;position:relative}
.lp-steps li::before{counter-increment:st;content:counter(st,decimal-leading-zero);display:flex;align-items:center;justify-content:center;width:60px;height:60px;margin:0 auto 18px;border-radius:50%;border:2px solid var(--gold);background:var(--green-700);color:var(--gold-light);font:800 16px var(--font-head);position:relative;z-index:1;transition:background .4s,color .4s,transform .4s}
.lp-steps.go li::before{background:var(--gold);color:var(--green-950)}
.lp-steps.go li:nth-child(n)::before{transition-delay:calc(var(--i,0)*.22s)}
.lp-steps b{display:block;font:800 15.5px/1.3 var(--font-head);color:#fff;margin-bottom:8px}
.lp-steps span{display:block;font-size:14px;line-height:1.6;color:#D2E0D5}

/* ---------- Cam kết ---------- */
.lp-commit{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.lp-commit>div{padding:30px 28px;border-radius:10px;background:#fff;border:1px solid var(--line);display:flex;gap:18px;align-items:flex-start;transition:transform .3s var(--lp-ease),box-shadow .3s}
.lp-commit>div:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.08)}
.lp-commit .ico{flex:0 0 auto;width:52px;height:52px;padding:12px;border-radius:50%;background:var(--green-100);color:var(--green-700)}
.lp-commit h3{font:800 16.5px/1.3 var(--font-head);color:var(--green-700);margin-bottom:6px}
.lp-commit p{font-size:14.5px;color:var(--muted);margin:0}

/* ---------- Gallery ---------- */
.lp-gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:220px;gap:14px}
.lp-gallery button{border:0;padding:0;background:#000;border-radius:8px;overflow:hidden;cursor:pointer;position:relative}
.lp-gallery button:nth-child(1){grid-area:1/1/3/3}
.lp-gallery button:nth-child(2){grid-area:1/3/2/4}
.lp-gallery button:nth-child(3){grid-area:1/4/2/5}
.lp-gallery button:nth-child(4){grid-area:2/3/4/4}
.lp-gallery button:nth-child(5){grid-area:2/4/4/5}
.lp-gallery button:nth-child(6){grid-area:3/1/4/3}
.lp-gallery img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s var(--lp-ease),opacity .4s}
.lp-gallery button:hover img{transform:scale(1.06);opacity:.85}
.lp-gallery span{position:absolute;left:14px;bottom:12px;color:#fff;font:700 13px var(--font-head);text-shadow:0 2px 8px rgba(0,0,0,.6)}

/* ---------- Gói vật tư ---------- */
.lp-tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.lp-tiers>div{border-radius:10px;overflow:hidden;background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .3s var(--lp-ease)}
.lp-tiers>div:hover{transform:translateY(-6px)}
.lp-tiers img{aspect-ratio:3/2;width:100%;object-fit:cover}
.lp-tiers .lp-tier-body{padding:24px 24px 26px;text-align:center;flex:1}
.lp-tier-tag{display:inline-block;font:700 12px var(--font-head);letter-spacing:1.2px;text-transform:uppercase;color:var(--green-700);background:var(--green-100);padding:6px 14px;border-radius:999px}
.lp-tiers h3{font:800 20px/1.3 var(--font-head);color:var(--green-700);margin:12px 0 10px}
.lp-tiers p{color:var(--muted);font-size:15px;margin:0}
.lp-tiers .lp-tier-hl{border:2px solid var(--gold);box-shadow:0 18px 44px rgba(0,0,0,.1);transform:translateY(-8px)}
.lp-tier-hl .lp-tier-tag{background:var(--gold);color:var(--green-950)}
.lp-center{text-align:center;margin:40px 0 0}

/* ---------- FAQ ---------- */
.lp-narrow{max-width:860px}
.lp-faq details{border:1px solid var(--line);border-radius:8px;padding:0 22px;margin-bottom:10px;background:#fff}
.lp-faq details[open]{border-color:var(--gold)}
.lp-faq summary{cursor:pointer;list-style:none;font:700 16.5px/1.4 var(--font-head);color:var(--green-700);padding:18px 40px 18px 0;position:relative}
.lp-faq summary::-webkit-details-marker{display:none}
.lp-faq summary::after{content:"+";position:absolute;right:0;top:12px;font:400 28px/1 var(--font-head);color:var(--gold)}
.lp-faq details[open] summary::after{content:"–"}
.lp-faq details p{color:var(--muted);margin:0 0 18px}

/* ---------- Form cuối: 3 bước ---------- */
.lp-final .wrap{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start}
.lp-final h2{font:800 clamp(26px,3vw,38px)/1.25 var(--font-head);color:#fff;text-transform:uppercase;margin-bottom:16px}
.lp-final p{color:#C9D7CC}
.lp-final .contact-info a{font:800 22px var(--font-head)}
.lp-wizard{background:#fff;color:var(--ink);border-radius:10px;padding:32px 34px;box-shadow:0 24px 60px rgba(0,0,0,.3)}
.lp-progress{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:24px;counter-reset:pg}
.lp-progress span{font:700 12px var(--font-head);letter-spacing:.5px;text-transform:uppercase;color:var(--muted);padding-top:10px;border-top:4px solid var(--line);transition:all .3s}
.lp-progress span.on{color:var(--green-700);border-top-color:var(--gold)}
.lp-progress span.done{border-top-color:var(--green-700)}
.lp-step{display:none}
.lp-step.on{display:block;animation:lpIn .35s var(--lp-ease)}
@keyframes lpIn{from{opacity:0;transform:translateX(14px)}to{opacity:1;transform:none}}
.lp-step h3{font:800 20px/1.3 var(--font-head);color:var(--green-700);margin-bottom:4px}
.lp-step .note{font-size:14px;color:var(--muted);margin-bottom:18px}
.lp-opts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
.lp-opts label{position:relative;cursor:pointer}
.lp-opts input{position:absolute;opacity:0;inset:0}
.lp-opts span{display:block;text-align:center;padding:14px 10px;border:1.5px solid #CDD1C8;border-radius:6px;font:600 14px var(--font-head);color:var(--ink);transition:all .2s}
.lp-opts input:checked+span{border-color:var(--green-700);background:var(--green-100);color:var(--green-700);box-shadow:0 0 0 3px rgba(11,74,38,.12)}
.lp-opts input:focus-visible+span{outline:3px solid var(--gold)}
.lp-wiz-nav{display:flex;gap:12px;margin-top:6px}
.lp-wiz-nav .btn{flex:1}
.lp-wiz-nav .btn-line{border-color:var(--green-700);color:var(--green-700);flex:0 0 auto;padding:0 20px}
.lp-wizard .form-status{margin-top:14px}

/* ---------- Sticky CTA mobile ---------- */
.lp-sticky{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;grid-template-columns:1fr 1fr 1.6fr;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);box-shadow:0 -10px 30px rgba(0,0,0,.12)}
.lp-sticky a{display:flex;align-items:center;justify-content:center;gap:6px;min-height:46px;border-radius:6px;font:700 13px var(--font-head);text-transform:uppercase;text-decoration:none}
.lp-sticky .s-call{background:var(--green-100);color:var(--green-700)}
.lp-sticky .s-zalo{background:#E6F0FF;color:#0068FF}
.lp-sticky .s-cta{background:var(--red);color:#fff}
body.lp .float-call{display:none!important}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .lp-steps{grid-template-columns:repeat(3,1fr);row-gap:36px}
  .lp-steps::before,.lp-steps::after{display:none}
  .lp-gallery{grid-template-columns:repeat(3,1fr);grid-auto-rows:200px}
  .lp-gallery button:nth-child(n){grid-area:auto}
  .lp-gallery button:nth-child(1){grid-column:span 2;grid-row:span 2}
}
@media (max-width:900px){
  body.lp .section{padding:64px 0}
  .lp-hero{min-height:0}
  .lp-hero .wrap{grid-template-columns:1fr;gap:34px;padding:48px 0 44px}
  .lp-hero::before{background:linear-gradient(180deg,rgba(4,33,15,.92),rgba(4,33,15,.8))}
  .lp-compare,.lp-benefits,.lp-commit,.lp-tiers,.lp-final .wrap,.lp-video .wrap{grid-template-columns:1fr}
  .lp-tiers .lp-tier-hl{transform:none}
  .lp-video .wrap{padding:60px 0}
  .lp-wizard{padding:26px 22px}
  .lp-sticky{display:grid}
  body.lp{padding-bottom:70px}
  body.lp .footer{padding-bottom:20px}
}
@media (max-width:600px){
  .lp-tel span{display:none}
  .lp-head-cta{gap:10px}
  .lp-head-cta .btn{padding:0 16px;min-height:44px;font-size:13px}
  .lp-hero h1{font-size:31px}
  .lp-hero .eyebrow{font-size:11.5px;letter-spacing:1px}
  .lp-hero .eyebrow::before{display:none}
  .lp-hero .lead{font-size:16.5px}
  .lp-quick{padding:24px 20px}
  .lp-steps{grid-template-columns:1fr;row-gap:26px}
  .lp-steps li{display:grid;grid-template-columns:52px 1fr;column-gap:14px;text-align:left;padding:0}
  .lp-steps li::before{width:52px;height:52px;margin:0;grid-row:span 2}
  .lp-col{padding:26px 22px}
  .lp-gallery{grid-template-columns:1fr 1fr;grid-auto-rows:160px}
  .lp-gallery button:nth-child(1),.lp-gallery button:nth-child(6){grid-column:span 2;grid-row:span 1}
  .lp-opts{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){.lp-slides div,.lp-ticker-track{animation:none}.lp-slides div:first-child{opacity:1}}

/* ---------- Header: giữ nguyên kích thước; ẩn khi cuộn xuống, hiện lại khi cuộn lên ---------- */
body.lp .header{overflow:hidden;transition:transform .38s var(--lp-ease),box-shadow .3s,background .3s,visibility 0s linear 0s}
body.lp .header .wrap{height:80px}
body.lp .header .brand img{width:auto;height:58px;max-width:none}
body.lp .header.compact{background:rgba(255,255,255,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 4px 20px rgba(0,0,0,.08)}
body.lp .header.hide{transform:translateY(-102%);box-shadow:none;visibility:hidden;transition:transform .38s var(--lp-ease),box-shadow .3s,background .3s,visibility 0s linear .38s}
@media (max-width:600px){body.lp .header .wrap{height:68px}body.lp .header .brand img{height:50px}}