:root{
  --ink:#0F2A47; --ink-deep:#0A1D33; --ink-mid:#16457A;
  --amber:#EF9F27; --amber-deep:#BA7517; --amber-soft:#FDF2DF;
  --teal:#1D9E75; --teal-soft:#E4F4EE; --teal-deep:#0F6E56;
  --sand:#F6F4EF; --paper:#FFFFFF;
  --line:#E4E1D9; --line-soft:#EFEDE7;
  --tx:#152234; --tx-2:#5C6877; --tx-3:#8B94A0;
  --r:10px; --r-lg:16px; --wrap:1340px; --gut:24px;
  --grad-ink:linear-gradient(135deg,#08182A 0%,#123A5F 52%,#1B5680 100%);
  --grad-ink-soft:linear-gradient(140deg,#0F2A47 0%,#16456F 100%);
  --grad-amber:linear-gradient(135deg,#F8B443 0%,#EF9F27 48%,#DB8214 100%);
  --grad-amber-hov:linear-gradient(135deg,#FCC259 0%,#F4A833 48%,#E4901D 100%);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;background:var(--paper);color:var(--tx);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;text-align:left}
:focus-visible{outline:2.5px solid var(--amber);outline-offset:3px;border-radius:4px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.skip{position:absolute;left:-9999px;background:var(--ink);color:#fff;padding:12px 20px;z-index:200}
.skip:focus{left:0;top:0}

.eyebrow{font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--amber-deep);display:flex;align-items:center;gap:10px;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad-amber);flex:none}
.eyebrow.on-dark{color:var(--amber)}
h1,h2,h3{line-height:1.15;letter-spacing:-.025em;font-weight:600}
.h-display{font-size:clamp(2.45rem,5.4vw,4.35rem);line-height:1.02;letter-spacing:-.042em;font-weight:700}
.h-sec{font-size:clamp(1.7rem,3.5vw,2.65rem);letter-spacing:-.032em}
.lede{font-size:clamp(1.03rem,1.55vw,1.19rem);color:var(--tx-2);line-height:1.72;max-width:54ch}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:16px 30px;border-radius:var(--r);font-weight:600;font-size:1rem;letter-spacing:-.01em;transition:transform .15s,background .2s,border-color .2s}
.btn:active{transform:translateY(1px)}
.btn-amber{background:var(--grad-amber);color:#3A2402;box-shadow:0 1px 0 var(--amber-deep)}
.btn-amber:hover{background:var(--grad-amber-hov)}
.btn-ink{background:var(--grad-ink-soft);color:#fff}
.btn-ink:hover{background:linear-gradient(140deg,#16456F 0%,#1D5B8C 100%)}
.btn-line{border:1.5px solid var(--line);color:var(--tx);background:var(--paper)}
.btn-line:hover{border-color:var(--ink);background:var(--sand)}
.btn-ghost-light{border:1.5px solid rgba(255,255,255,.28);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.1)}
.btn-sm{padding:11px 20px;font-size:.9rem}

.announce{background:var(--ink-deep);color:#D9E3EF;font-size:.83rem;padding:11px 0;overflow:hidden}
.mq{display:flex;width:max-content;animation:mq 42s linear infinite}
.announce:hover .mq{animation-play-state:paused}
.mq-set{display:flex;align-items:center;gap:34px;padding-right:34px;white-space:nowrap}
.mq b{color:var(--amber);font-weight:600}
.mq i{color:var(--amber);font-style:normal;opacity:.7}
.mq a{text-decoration:underline;text-underline-offset:3px}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

.hdr{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft)}
.hdr .wrap{display:flex;align-items:center;gap:18px;height:82px}
.logo{display:flex;align-items:center;gap:11px;font-weight:700;font-size:1.32rem;letter-spacing:-.04em;color:var(--ink);flex:none}
.logo-mark{width:36px;height:36px;border-radius:9px;background:var(--grad-ink-soft);display:grid;place-items:center;flex:none;position:relative;overflow:hidden}
.logo-mark::after{content:"";position:absolute;inset:auto 0 0 0;height:11px;background:var(--grad-amber)}
.logo-mark span{color:#fff;font-size:1.05rem;font-weight:700;z-index:1;letter-spacing:-.05em;line-height:1}
.logo em{font-style:normal;font-weight:400;color:var(--tx-2);font-size:1.02rem}
.nav{display:flex;align-items:center;gap:6px;margin:0 auto}
.nav a{padding:10px 15px;border-radius:8px;font-size:.97rem;font-weight:500;white-space:nowrap}
.nav a:hover{background:var(--sand)}
.hdr-actions{display:flex;align-items:center;gap:8px;flex:none}
.icon-btn{width:42px;height:42px;border-radius:9px;display:grid;place-items:center;color:var(--tx-2);position:relative}
.icon-btn:hover{background:var(--sand);color:var(--ink)}
.cart-dot{position:absolute;top:5px;right:5px;width:15px;height:15px;border-radius:50%;background:var(--amber);color:#3A2402;font-size:.6rem;font-weight:700;display:grid;place-items:center;line-height:1}
.hdr-login{font-size:.92rem;font-weight:500;padding:9px 12px;border-radius:8px}
.hdr-login:hover{background:var(--sand)}
.burger{display:none}
@media(max-width:1120px){.nav,.hdr-login{display:none}.burger{display:grid;place-items:center;width:38px;height:38px;border-radius:9px}.burger:hover{background:var(--sand)}}
.mnav{display:none;border-top:1px solid var(--line-soft);background:var(--paper);padding:10px 0 18px}
.mnav.open{display:block}
.mnav a{display:block;padding:12px 20px;font-weight:500;border-bottom:1px solid var(--line-soft)}
.mnav .m-cta{padding:16px 20px 0;display:flex;gap:10px}
.mnav .m-cta .btn{flex:1}

/* hero */
.hero{background:var(--sand);border-bottom:1px solid var(--line);overflow:hidden}
.hero-inner{
  display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);
  gap:64px;align-items:center;
  width:100%;max-width:var(--wrap);margin:0 auto;
  padding:92px var(--gut) 100px;
}
.hero h1{color:var(--ink-deep);position:relative;z-index:1}
.hero h1 em{font-style:normal;position:relative}
.hero h1 em::after{content:"";position:absolute;left:-2px;right:-2px;bottom:.09em;height:.3em;background:var(--grad-amber);opacity:.9;z-index:-1;border-radius:2px}
.hero .lede{margin-top:24px}
.hero-cta{display:flex;gap:13px;margin-top:34px;flex-wrap:wrap}
.hero-note{margin-top:20px;font-size:.88rem;color:var(--tx-3);display:flex;align-items:flex-start;gap:8px;line-height:1.6}
.hero-note svg{flex:none;margin-top:4px}
.hero-art{position:relative}
.hero-fig{position:relative;border-radius:22px 0 0 22px;overflow:hidden;background:var(--grad-ink);box-shadow:0 2px 4px rgba(15,42,71,.06),0 30px 64px -34px rgba(15,42,71,.55);margin-right:calc(-1 * (max(0px,(100vw - var(--wrap))/2) + var(--gut)))}
.hero-fig svg{display:block;width:100%;height:auto}
.hero-badge{position:absolute;left:-46px;bottom:44px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:17px 22px;box-shadow:0 2px 4px rgba(15,42,71,.05),0 22px 46px -26px rgba(15,42,71,.45);min-width:224px}
.hero-badge .hb-label{font-size:.7rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--tx-3);margin-bottom:7px}
.hero-badge .hb-row{display:flex;align-items:baseline;gap:9px;font-variant-numeric:tabular-nums}
.hero-badge .hb-new{font-size:1.62rem;font-weight:700;letter-spacing:-.035em;color:var(--ink)}
.hero-badge .hb-unit{font-size:.9rem;color:var(--tx-2)}
.hero-badge .hb-note{font-size:.75rem;color:var(--tx-2);margin-top:5px}
@media(max-width:1000px){
  .hero-inner{grid-template-columns:1fr;gap:44px;padding:52px var(--gut) 62px}
  .hero-art{order:-1}
  .hero-fig{border-radius:16px;margin-right:0}
  .hero-badge{left:auto;right:0;bottom:-18px;min-width:0}
}
@media(max-width:520px){.hero-badge{position:static;margin-top:14px;box-shadow:none;width:100%}}

.art-flow{stroke-dasharray:400;stroke-dashoffset:400;animation:draw 1.4s cubic-bezier(.4,0,.2,1) forwards}
.art-flow.d1{animation-delay:.15s}.art-flow.d2{animation-delay:.3s}.art-flow.d3{animation-delay:.45s}
.art-flow.d4{animation-delay:.6s}.art-flow.d5{animation-delay:.75s}
@keyframes draw{to{stroke-dashoffset:0}}
.art-card{opacity:0;animation:pop .5s ease forwards}
.art-card.d1{animation-delay:.75s}.art-card.d2{animation-delay:.9s}.art-card.d3{animation-delay:1.05s}
.art-card.d4{animation-delay:1.2s}.art-card.d5{animation-delay:1.35s}
@keyframes pop{from{opacity:0;transform:translateX(-8px)}to{opacity:1;transform:translateX(0)}}

.stats{background:var(--paper);padding:64px 0 70px;border-bottom:1px solid var(--line-soft)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:26px 24px 24px;overflow:hidden;transition:border-color .2s,transform .2s}
.stat::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#F8B443,#DB8214)}
.stat:hover{border-color:#C9D2DC;transform:translateY(-3px)}
.stat-ico{width:38px;height:38px;border-radius:10px;background:var(--amber-soft);color:var(--amber-deep);display:grid;place-items:center;margin-bottom:16px}
.stat b{display:block;font-size:2.9rem;font-weight:700;letter-spacing:-.05em;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1}
.stat .st-l{font-size:.95rem;font-weight:600;color:var(--tx);display:block;margin-top:8px;letter-spacing:-.01em}
.stat .st-c{font-size:.83rem;color:var(--tx-2);display:block;margin-top:6px;line-height:1.55}
@media(max-width:900px){.stats .wrap{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.stats{padding:44px 0 48px}.stats .wrap{grid-template-columns:1fr;gap:14px}.stat{padding:20px 20px 18px}.stat b{font-size:2.3rem}.stat-ico{margin-bottom:12px}}

.sec{padding:96px 0}
.sec-alt{background:var(--sand)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:44px;flex-wrap:wrap}
.sec-head .lede{margin-top:12px}
.link-more{font-weight:600;font-size:.92rem;color:var(--ink);display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.link-more:hover{color:var(--amber-deep)}
@media(max-width:760px){.sec{padding:62px 0}}

/* lộ trình 6 chặng */
.stage-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.stage{background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:18px 17px;display:flex;flex-direction:column;gap:7px;width:100%;transition:border-color .18s,background .18s,transform .18s}
.stage:hover{border-color:#C6D0DA;transform:translateY(-2px)}
.stage-n{font-size:.7rem;font-weight:700;color:var(--tx-3);font-variant-numeric:tabular-nums;letter-spacing:.06em}
.stage-t{font-size:.94rem;font-weight:500;line-height:1.38}
.stage-c{font-size:.72rem;color:var(--tx-3);margin-top:auto}
.stage[aria-selected="true"]{background:var(--grad-ink-soft);border-color:#16456F}
.stage[aria-selected="true"] .stage-t{color:#fff;font-weight:600}
.stage[aria-selected="true"] .stage-n{color:var(--amber)}
.stage[aria-selected="true"] .stage-c{color:#9FB3C8}
@media(max-width:920px){.stage-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){.stage-grid{grid-template-columns:repeat(2,1fr)}}

.stage-detail{margin-top:18px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 30px}
.sd-label{font-size:.7rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--tx-3);margin-bottom:6px}
.sd-name{font-size:1.3rem;font-weight:600;letter-spacing:-.025em}
.sd-desc{font-size:.95rem;color:var(--tx-2);margin-top:6px;line-height:1.65;max-width:70ch}
.sd-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.sd-pill{font-size:.85rem;background:var(--sand);border:1px solid var(--line);padding:8px 15px;border-radius:20px;color:var(--tx);font-weight:500}
.sd-pill b{color:var(--amber-deep);font-weight:700;margin-right:5px;font-variant-numeric:tabular-nums}

/* nhóm khóa học */
.grp{margin-bottom:52px}
.grp:last-child{margin-bottom:0}
.grp-hd{display:flex;align-items:baseline;gap:14px;padding-bottom:14px;margin-bottom:22px;border-bottom:2px solid var(--ink);flex-wrap:wrap}
.grp-hd h3{font-size:1.28rem;font-weight:600;letter-spacing:-.025em}
.grp-hd span{font-size:.88rem;color:var(--tx-3)}
.courses{display:grid;grid-template-columns:repeat(auto-fit,minmax(292px,1fr));gap:20px}
.course{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;display:flex;flex-direction:column;transition:border-color .2s,box-shadow .25s,transform .2s}
.course:hover{border-color:#C9D2DC;box-shadow:0 14px 32px -22px rgba(15,42,71,.4);transform:translateY(-3px)}
.course-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.course-n{font-size:.71rem;font-weight:700;letter-spacing:.09em;color:var(--amber-deep);font-variant-numeric:tabular-nums}
.course-hrs{font-size:.73rem;color:var(--tx-3);font-variant-numeric:tabular-nums}
.course h4{font-size:1.09rem;font-weight:600;line-height:1.35;letter-spacing:-.02em}
.course .c-out{font-size:.89rem;color:var(--tx-2);margin-top:9px;line-height:1.62;flex:1}
.course .c-tools{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
.tool{font-size:.7rem;background:var(--sand);border:1px solid var(--line-soft);padding:3px 8px;border-radius:5px;color:var(--tx-2);font-weight:500}
.course-ft{margin-top:15px;padding-top:13px;border-top:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;gap:10px}
.price{display:flex;align-items:baseline;gap:7px;flex-wrap:wrap}
.price b{font-size:1.16rem;font-weight:700;letter-spacing:-.03em;font-variant-numeric:tabular-nums;color:var(--ink)}
.price s{font-size:.79rem;color:var(--tx-3);font-variant-numeric:tabular-nums}
.badge-new{background:var(--teal-soft);color:var(--teal-deep);font-size:.68rem;font-weight:700;padding:2px 8px;border-radius:5px;letter-spacing:.03em}

/* combo */
.paths{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.path{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px 30px;display:flex;flex-direction:column}
.path.feature{border:2px solid var(--amber);position:relative}
.path .tag{position:absolute;top:-11px;left:24px;background:var(--grad-amber);color:#3A2402;font-size:.7rem;font-weight:700;padding:4px 11px;border-radius:6px}
.path h3{font-size:1.22rem;font-weight:600;letter-spacing:-.025em}
.path .p-sub{font-size:.85rem;color:var(--tx-2);margin-top:6px;line-height:1.6}
.path ul{list-style:none;margin:18px 0;display:flex;flex-direction:column;gap:9px}
.path li{font-size:.91rem;display:flex;gap:10px;align-items:flex-start}
.path li svg{flex:none;margin-top:5px;color:var(--teal)}
.path .p-price{margin-top:auto;padding-top:18px;border-top:1px solid var(--line-soft)}
.p-save{font-size:.78rem;color:var(--teal-deep);font-weight:600;margin-bottom:6px}
.path .btn{margin-top:16px;width:100%}

.honest{display:grid;grid-template-columns:repeat(auto-fit,minmax(272px,1fr));gap:38px}
.h-item{border-top:2px solid var(--ink);padding-top:18px}
.h-item h3{font-size:1.1rem;font-weight:600;margin-bottom:8px;display:flex;gap:9px;align-items:flex-start}
.h-item h3 svg{flex:none;margin-top:4px;color:var(--amber-deep)}
.h-item p{font-size:.93rem;color:var(--tx-2);line-height:1.7}

.quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.quote{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 28px;display:flex;flex-direction:column}
.quote .stars{color:var(--amber);font-size:.85rem;letter-spacing:2px;margin-bottom:13px}
.quote blockquote{font-family:'Lora',Georgia,serif;font-size:1.08rem;line-height:1.65;font-style:italic}
.quote .who{margin-top:auto;padding-top:18px;display:flex;align-items:center;gap:11px}
.quote .who .av{width:38px;height:38px;border-radius:50%;background:var(--teal-soft);color:var(--teal-deep);display:grid;place-items:center;font-weight:600;font-size:.82rem;flex:none}
.quote .who b{font-size:.89rem;font-weight:600;display:block;line-height:1.3}
.quote .who span{font-size:.77rem;color:var(--tx-3)}

.b2b{background:var(--grad-ink);color:#fff}
.b2b .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;padding:84px var(--gut)}
.b2b h2{color:#fff}
.b2b p{color:#C3D0DE;margin-top:16px;line-height:1.75;max-width:52ch}
.b2b-cta{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.b2b-panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);padding:28px}
.b2b-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:.93rem}
.b2b-row:last-child{border-bottom:none}
.b2b-row span{color:#B4C3D4}
.b2b-row b{font-weight:600;font-variant-numeric:tabular-nums}
.b2b-row .up{color:var(--amber)}
.logos{display:grid;grid-template-columns:repeat(auto-fit,minmax(125px,1fr));gap:12px;margin-top:24px}
.logo-slot{height:54px;border:1.5px dashed rgba(255,255,255,.22);border-radius:var(--r);display:grid;place-items:center;font-size:.74rem;color:#8FA2B7}
@media(max-width:860px){.b2b .wrap{grid-template-columns:1fr;gap:34px;padding:56px var(--gut)}}

.posts{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:26px}
.post{border-top:2px solid var(--ink);padding-top:18px;display:block;transition:border-color .2s}
.post:hover{border-color:var(--amber)}
.post .p-meta{font-size:.75rem;color:var(--tx-3);letter-spacing:.04em;margin-bottom:9px;text-transform:uppercase;font-weight:600}
.post h3{font-size:1.13rem;font-weight:600;line-height:1.4}
.post p{font-size:.91rem;color:var(--tx-2);margin-top:9px;line-height:1.65}

.cta-final{background:var(--sand);border-top:1px solid var(--line)}
.cta-final .wrap{padding:88px var(--gut);text-align:center;display:flex;flex-direction:column;align-items:center}
.cta-final .lede{margin:16px auto 0}
.signup{display:flex;gap:11px;margin-top:30px;width:100%;max-width:500px;flex-wrap:wrap}
.signup input{flex:1;min-width:210px;padding:16px 18px;border:1.5px solid var(--line);border-radius:var(--r);font:inherit;font-size:.95rem;background:var(--paper);color:var(--tx)}
.signup input::placeholder{color:var(--tx-3)}
.signup input:focus{border-color:var(--ink);outline:none;box-shadow:0 0 0 3px rgba(15,42,71,.08)}
.cta-final small{color:var(--tx-3);font-size:.8rem;margin-top:14px}

.ft{background:linear-gradient(180deg,#0A1D33 0%,#0C2440 100%);color:#B7C5D5;font-size:.91rem;padding:72px 0 0}
.ft-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;padding-bottom:50px}
.ft .logo{color:#fff;margin-bottom:16px}
.ft .logo em{color:#8FA2B7}
.ft-about{line-height:1.75;max-width:38ch}
.ft h4{color:#fff;font-size:.9rem;font-weight:600;margin-bottom:14px}
.ft ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.ft a:hover{color:var(--amber)}
.ft-legal{border-top:1px solid rgba(255,255,255,.11);padding:24px 0 40px;font-size:.8rem;line-height:1.8;color:#8FA2B7}
.ft-legal .moit{display:inline-flex;align-items:center;gap:8px;margin-top:14px;padding:7px 12px;border:1px solid rgba(255,255,255,.18);border-radius:6px;font-size:.75rem}
.ft-pay{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
.pay-slot{padding:6px 12px;border:1px solid rgba(255,255,255,.16);border-radius:6px;font-size:.72rem}
@media(max-width:860px){.ft-top{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:520px){.ft-top{grid-template-columns:1fr}}

@media(prefers-reduced-motion:reduce){.mq{width:100%;justify-content:center}*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.art-flow{stroke-dashoffset:0}.art-card{opacity:1}}