:root{
  --bg:#fff7ea; --bg2:#ffeccf; --card:#ffffff; --ink:#1d1230; --muted:#5a4b70;
  --brand:#5a1fb8; --brand2:#d6246e; --gold:#ffd23f; --line:#1d1230; --ok:#1f8a4c; --no:#c0392b;
  --shadow:4px 4px 0 var(--line);
  --f-body:"Be Vietnam Pro",system-ui,"Segoe UI",Roboto,Arial,sans-serif;
  --f-head:"Baloo 2","Be Vietnam Pro",system-ui,"Segoe UI",sans-serif;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){--bg:#17102b;--bg2:#1f1638;--card:#2a1f4a;--ink:#f6efe2;--muted:#c6b9e0;--line:#0c0718;--brand:#b68cff;--ok:#5fd68f;--no:#ff8a7a;--shadow:4px 4px 0 #0c0718}
}
:root[data-theme="dark"]{--bg:#17102b;--bg2:#1f1638;--card:#2a1f4a;--ink:#f6efe2;--muted:#c6b9e0;--line:#0c0718;--brand:#b68cff;--ok:#5fd68f;--no:#ff8a7a;--shadow:4px 4px 0 #0c0718}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:68px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font:400 17px/1.6 var(--f-body);color:var(--ink);background:var(--bg);-webkit-text-size-adjust:100%}
img,video{max-width:100%;display:block}
h1,h2,h3{font-family:var(--f-head);line-height:1.15;margin:0 0 .5em}
p{margin:0 0 1em}
a{color:inherit}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 16px}
.wrap--narrow{max-width:780px}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:#000;padding:10px 14px;z-index:99}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:3px solid var(--brand2);outline-offset:2px}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:#3a1480;color:#fff;border-bottom:3px solid var(--line)}
.nav__in{display:flex;align-items:center;justify-content:space-between;min-height:60px}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;font:800 18px var(--f-head);color:#fff}
.brand img{height:40px;width:auto;margin-top:6px}
.burger{width:48px;height:48px;border:0;background:transparent;display:flex;flex-direction:column;gap:6px;align-items:center;justify-content:center;cursor:pointer}
.burger span{width:26px;height:3px;background:#fff;border-radius:2px;transition:.2s}
.menu{display:none;position:absolute;left:0;right:0;top:100%;background:#3a1480;padding:8px 16px 18px;border-bottom:3px solid var(--line);flex-direction:column}
.menu.open{display:flex}
.menu a{color:#fff;text-decoration:none;padding:12px 4px;min-height:44px;font-weight:500;border-bottom:1px solid rgba(255,255,255,.15)}
.menu .btn{margin-top:12px;border-bottom:3px solid var(--line)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 22px;border:3px solid var(--line);border-radius:999px;background:var(--gold);color:#1d1230;font:700 16px var(--f-body);text-decoration:none;box-shadow:var(--shadow);cursor:pointer;text-align:center;transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translate(-1px,-1px);box-shadow:6px 6px 0 var(--line)}
.btn:active{transform:translate(3px,3px);box-shadow:1px 1px 0 var(--line)}
.btn--big{min-height:56px;padding:12px 30px;font-size:18px}
.btn--sm{min-height:44px;padding:6px 18px;box-shadow:3px 3px 0 var(--line)}
.btn--ghost{background:#fff;color:#1d1230}
.btn--c{background:#fff;color:#1d1230}
[hidden]{display:none!important}

/* hero */
.hero{background:#3a1480;color:#fff;position:relative;overflow:hidden;padding:28px 0 40px;
  background-image:repeating-conic-gradient(from 0deg at 50% 38%,rgba(255,255,255,.055) 0 7deg,transparent 7deg 14deg),linear-gradient(170deg,#3a1480 0%,#8d1c8c 62%,#d6246e 100%)}
.hero__grid{display:grid;gap:24px}
.eyebrow{display:inline-block;background:var(--gold);color:#1d1230;font-weight:700;font-size:14px;padding:4px 12px;border-radius:999px;border:2px solid var(--line);margin-bottom:12px}
.hero h1{font-size:clamp(34px,9vw,60px);font-weight:800;text-shadow:3px 3px 0 rgba(0,0,0,.35)}
.hero mark{background:none;color:var(--gold)}
.lead{font-size:18px;max-width:34em}
.beats{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 20px}
.beats span{background:#fff;color:#1d1230;font:800 18px var(--f-head);padding:4px 14px;border-radius:12px;border:3px solid var(--line);box-shadow:3px 3px 0 var(--line);transform:rotate(-1.5deg)}
.beats span:nth-child(2){transform:rotate(1.2deg);background:var(--gold)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.scarce{margin-top:12px;font-weight:700}
.player{border:4px solid var(--line);border-radius:16px;overflow:hidden;background:#000;box-shadow:6px 6px 0 var(--line)}
.player video{width:100%;height:auto;aspect-ratio:16/9;background:#000;object-fit:contain}
.player.is-portrait{max-width:300px;margin:0 auto}
.player.is-portrait video{aspect-ratio:9/16}
.cap{font-size:14px;opacity:.9;margin-top:10px;text-align:center}
.ba{display:grid;gap:12px;align-items:stretch}
.ba__col{background:#fff;color:#1d1230;border:3px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:var(--shadow)}
.ba__after{background:var(--gold)}
.ba__col h2{font-size:15px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px;color:#5a1fb8}
.ba__after h2{color:#1d1230}
.ba__role{font:800 20px var(--f-head);margin-bottom:6px}
.ba ul{margin:0;padding-left:20px;font-size:15px}
.ba__arrow{text-align:center;font:800 28px var(--f-head);transform:rotate(90deg);line-height:1}

/* quick info */
.quick{background:var(--gold);color:#1d1230;border-block:3px solid var(--line)}
.quick__grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 16px;padding-block:16px}
.q{display:flex;flex-direction:column;font-size:15px;line-height:1.35}
.q__k{font-size:12px;text-transform:uppercase;letter-spacing:.07em;font-weight:700;opacity:.7}
.q small{font-size:12px;opacity:.8;margin-top:2px}

/* sections */
.sec{padding:52px 0}
.sec--alt{background:var(--bg2)}
.h2{font-size:clamp(28px,6.5vw,42px);font-weight:800;text-align:center}
.sub{text-align:center;color:var(--muted);max-width:36em;margin:0 auto 24px}
.note{text-align:center;color:var(--muted);font-size:15px;max-width:44em;margin:20px auto 0}
.cta-center{text-align:center;margin-top:24px}

.gallery{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tile{margin:0;background:var(--card);border:3px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.tile video{width:100%;aspect-ratio:16/9;object-fit:cover;background:#222}
.tile figcaption{padding:8px 10px 10px;font-size:13px;line-height:1.3}
.tile em{display:block;font-style:normal;font-weight:700;font-size:12px;color:var(--brand2);text-transform:uppercase;letter-spacing:.05em;margin-bottom:2px}

.cards{display:grid;gap:14px;margin-top:22px}
.card{background:var(--card);border:3px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow);position:relative}
.card h3{font-size:21px}
.card p{margin:0;color:var(--muted);font-size:16px}
.card__n{position:absolute;top:-14px;left:14px;background:var(--brand2);color:#fff;width:34px;height:34px;border-radius:50%;border:3px solid var(--line);display:grid;place-items:center;font:800 17px var(--f-head)}
.cards:has(.card__n) .card{padding-top:24px}

.split{display:grid;gap:16px;margin-top:22px}
.split__col{border:3px solid var(--line);border-radius:16px;padding:18px 20px;box-shadow:var(--shadow);background:var(--card)}
.split__col h3{font-size:24px}
.split__col ul{margin:0;padding-left:0;list-style:none}
.split__col li{padding:6px 0 6px 28px;position:relative}
.split__col li::before{content:"";position:absolute;left:2px;top:12px;width:14px;height:14px;border-radius:50%;border:3px solid var(--line);background:var(--gold)}
.split__machine{background:#e9ddff}.split__human{background:#ffe3ef}
.split__yes li::before{background:var(--ok)}.split__no li::before{background:var(--no)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .split__machine{background:#2e2058}:root:not([data-theme="light"]) .split__human{background:#4a1f45}}
:root[data-theme="dark"] .split__machine{background:#2e2058}:root[data-theme="dark"] .split__human{background:#4a1f45}
.mascot{margin:18px auto 0}

.outputs{list-style:none;padding:0;margin:22px auto 0;display:grid;gap:12px;counter-reset:o;max-width:820px}
.outputs li{counter-increment:o;background:var(--card);border:3px solid var(--line);border-radius:14px;padding:14px 16px 14px 62px;box-shadow:var(--shadow);position:relative}
.outputs li::before{content:counter(o);position:absolute;left:14px;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:50%;background:var(--gold);color:#1d1230;border:3px solid var(--line);display:grid;place-items:center;font:800 18px var(--f-head)}

.tablewrap{overflow-x:auto;margin-top:20px;border:3px solid var(--line);border-radius:14px;box-shadow:var(--shadow);background:var(--card)}
table{width:100%;border-collapse:collapse;min-width:520px}
th,td{padding:12px 14px;text-align:left;border-bottom:2px solid rgba(128,128,128,.3);vertical-align:top}
th{background:var(--brand);color:#fff;font-family:var(--f-head);font-size:17px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) th{color:#1d1230}}
:root[data-theme="dark"] th{color:#1d1230}
td:nth-child(2){font-weight:700}
tr:last-child td{border-bottom:0}

.steps{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:14px;position:relative}
.steps li{background:var(--card);border:3px solid var(--line);border-radius:16px;padding:14px 16px 14px 70px;box-shadow:var(--shadow);position:relative}
.steps li span,.steps3 li span{position:absolute;left:14px;top:14px;width:42px;height:42px;border-radius:50%;background:var(--brand2);color:#fff;border:3px solid var(--line);display:grid;place-items:center;font:800 20px var(--f-head)}
.steps h3{font-size:20px;margin-bottom:2px}.steps p{margin:0;color:var(--muted);font-size:15px}

.modules details,.wrap--narrow>details{background:var(--card);border:3px solid var(--line);border-radius:14px;margin-bottom:10px;box-shadow:3px 3px 0 var(--line)}
summary{cursor:pointer;padding:14px 44px 14px 16px;min-height:48px;font-weight:500;position:relative;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:16px;top:10px;font:800 24px var(--f-head);color:var(--brand2)}
details[open]>summary::after{content:"\2212"}
details p{margin:0;padding:0 16px 16px;color:var(--muted)}
.modules{max-width:860px;margin:0 auto}

.guide{display:grid;gap:16px;align-items:center;max-width:860px;margin:0 auto}
.guide__quac{margin:0 auto;height:200px;width:auto}
.person{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:3px solid var(--line);border-radius:14px;padding:14px;margin:12px 0}
.person img{border-radius:50%;border:3px solid var(--line);width:96px;height:96px;object-fit:cover}
.person h3{margin-bottom:4px;font-size:22px}
.person ul{margin:0;padding-left:20px}

.nopromise{list-style:none;margin:20px auto 0;padding:0;max-width:760px;display:grid;gap:10px}
.nopromise li{background:var(--card);border:3px solid var(--line);border-left-width:10px;border-left-color:var(--no);border-radius:12px;padding:12px 16px}
.nopromise li:last-child{border-left-color:var(--ok)}
.policy{max-width:760px;margin:20px auto 0;background:var(--gold);color:#1d1230;border:3px solid var(--line);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow)}
.policy h3{font-size:20px;margin-bottom:4px}.policy p{margin:0;color:#1d1230;padding:0}

.sec--cta{background:#3a1480;color:#fff;background-image:linear-gradient(170deg,#3a1480,#8d1c8c 70%,#d6246e)}
.sec--cta .h2{color:#fff}
.steps3{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:12px}
.steps3 li{background:#fff;color:#1d1230;border:3px solid var(--line);border-radius:16px;padding:14px 16px 14px 70px;position:relative;box-shadow:var(--shadow)}
.steps3 h3{font-size:20px;margin-bottom:2px}.steps3 p{margin:0;font-size:15px;color:#4a3b60}
.contacts{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:22px}
.contacts__empty{width:100%;text-align:center;opacity:.9}
.kw{text-align:center;margin-top:20px}
.kw__btn{font:inherit;background:var(--gold);color:#1d1230;border:3px dashed var(--line);border-radius:10px;padding:4px 16px;min-height:44px;cursor:pointer}
.kw small{display:block;min-height:1.4em}

.sec--sum{background:var(--bg2)}
.sum{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.sum li{padding:12px 16px 12px 46px;background:var(--card);border:3px solid var(--line);border-radius:12px;position:relative}
.sum li::before{content:"\2713";position:absolute;left:14px;top:10px;color:var(--ok);font-weight:800;font-size:20px}

.foot{background:#1d1230;color:#d9ceef;padding:30px 0 100px;font-size:14px}
.foot b{color:#fff;font-family:var(--f-head);font-size:20px}
.disc{max-width:60em;opacity:.85}

.sticky{position:fixed;left:0;right:0;bottom:0;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(29,18,48,.92);border-top:3px solid var(--line);z-index:40;transform:translateY(110%);transition:transform .25s}
.sticky.show{transform:none}
.sticky .btn{width:100%}

.js .rv{opacity:0;transform:translateY(14px);transition:opacity .5s,transform .5s}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}}

@media (max-width:699px){
  table{min-width:0}
  thead{display:none}
  tr,td{display:block}
  tr{padding:10px 14px;border-bottom:2px solid rgba(128,128,128,.3)}
  tr:last-child{border-bottom:0}
  td{padding:2px 0;border:0}
  td:first-child{font:800 19px var(--f-head);color:var(--brand2)}
  td:nth-child(3){font-size:14px;color:var(--muted)}
}
@media (min-width:700px){
  .quick__grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .cards--3{grid-template-columns:repeat(3,1fr)}
  .split{grid-template-columns:1fr 1fr}
  .outputs{grid-template-columns:1fr 1fr;max-width:none}
  .steps{grid-template-columns:repeat(3,1fr)}
  .steps li{padding:62px 16px 16px}
  .steps li span{left:16px;top:12px}
  .steps3{grid-template-columns:repeat(3,1fr)}
  .steps3 li{padding:62px 16px 16px}.steps3 li span{left:16px;top:12px}
  .guide{grid-template-columns:170px 1fr}
  .ba{grid-template-columns:1fr auto 1fr}
  .ba__arrow{transform:none;font-size:40px}
}
@media (min-width:980px){
  .burger{display:none}
  .menu{display:flex;position:static;flex-direction:row;align-items:center;gap:4px;padding:0;border:0;background:none}
  .menu a{border:0;padding:8px 10px;font-size:15px}
  .menu .btn{margin:0 0 0 8px;border:3px solid var(--line)}
  .hero{padding:48px 0 56px}
  .hero__grid{grid-template-columns:1fr 1.05fr;align-items:center;gap:36px}
  .ba{grid-column:1/-1}
  .gallery{grid-template-columns:repeat(4,1fr)}
  .steps{grid-template-columns:repeat(6,1fr);gap:10px}
  .steps li{padding:62px 12px 14px}
  .steps h3{font-size:18px}
  .sticky{display:none}
  .foot{padding-bottom:30px}
}
@media (max-width:360px){body{font-size:16px}.brand span{font-size:15px}}

.tile{position:relative}
.tile .warn{display:inline-block;margin-left:6px;background:#1d1230;color:#ffd23f;padding:0 7px;border-radius:999px;font-size:11px;letter-spacing:0;text-transform:none}
.playbtn{position:absolute;left:50%;top:0;transform:translate(-50%,0);margin-top:calc((100% * 9 / 16) / 2 - 28px);width:56px;height:56px;border-radius:50%;border:3px solid var(--line);background:var(--gold);color:#1d1230;font-size:20px;cursor:pointer;box-shadow:3px 3px 0 var(--line)}

/* giá nổi bật ở đầu trang */
.hero .scarce b{font-size:1.5em;color:var(--gold)}

/* khung giá */
.pricebox{margin:14px 0 0;padding:14px 18px;background:#fff;color:#1d1230;border:3px solid var(--line);border-radius:14px;box-shadow:var(--shadow);display:inline-block;max-width:100%}
.pricebox p{margin:2px 0}
.pricebox__old{color:#6b5b85}
.pricebox__now{font:800 18px var(--f-head)}
.pricebox__now b{font-size:36px;color:var(--brand2);margin-left:6px}
.pricebox__save{font-weight:700;color:var(--ok)}
.pricebox__refund{font-weight:700;color:#3a1480;margin-top:6px!important}
.hero .pricebox .scarce{margin:0}
.teacher{display:grid;gap:22px}
.person--main{display:flex;gap:18px;align-items:flex-start;padding:18px;border:3px solid var(--line);border-radius:14px;background:var(--card);box-shadow:var(--shadow)}
.person--main h3{font-size:28px;margin:4px 0 8px}
.person--main ul{margin:8px 0 0;padding-left:20px}
.person--main li{margin:4px 0}

/* nút kêu gọi lặp lại theo hành trình */
.cta-sub{margin:8px 0 0;font-size:14px;color:var(--muted)}
/* mục ưu đãi + đăng ký */
.sub--light{color:#f1e7ff;text-align:center;max-width:42em;margin:0 auto 22px}
.offer{display:grid;gap:18px;margin:0 auto 22px;max-width:920px}
@media(min-width:800px){.offer{grid-template-columns:1fr 1fr}}
.offer__card{background:#fff;color:#1d1230;border:3px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow)}
.offer__card h3{margin:0 0 8px}
.offer__old{margin:0;color:#6b5b85}
.offer__now{margin:0;font:800 clamp(38px,9vw,52px)/1.1 var(--f-head);color:var(--brand2)}
.offer__save{margin:2px 0 10px;font-weight:700;color:var(--ok)}
.offer__badge{display:inline-block;background:var(--gold);border:2px solid var(--line);border-radius:999px;padding:3px 12px;font-weight:800;font-size:14px}
.offer__list{margin:12px 0 0;padding-left:20px}.offer__list li{margin:5px 0}
.offer form{display:grid;gap:12px}
.offer label{display:grid;gap:4px;font-weight:600;font-size:15px}
.offer input[type=text],.offer input[type=email],.offer input[type=password]{font:inherit;padding:10px 12px;border:2px solid var(--line);border-radius:10px;min-height:46px;width:100%;background:#fff;color:#1d1230}
.offer label.check{display:flex;gap:8px;font-weight:400;font-size:14px;align-items:flex-start}
.offer label.check input{width:20px;height:20px;margin-top:2px;flex:none}
.offer__note{font-size:13px;color:#6b5b85;margin:0}
.steps3--in{margin-top:6px}

.theme-btn{position:fixed;left:12px;bottom:84px;z-index:60;width:44px;height:44px;border-radius:50%;border:3px solid #1d1230;background:#ffd23f;color:#1d1230;font-size:20px;line-height:1;cursor:pointer;box-shadow:3px 3px 0 #1d1230;padding:0}

/* khung chat */
.chat-btn{position:fixed;right:14px;bottom:84px;z-index:70;display:flex;align-items:center;gap:6px;border:3px solid #1d1230;background:#5a1fb8;color:#fff;border-radius:999px;padding:10px 16px;font:700 15px/1 "Be Vietnam Pro",system-ui,sans-serif;cursor:pointer;box-shadow:3px 3px 0 #1d1230}
.chat-btn__ic{font-size:18px}
.chat-box{position:fixed;right:14px;bottom:140px;z-index:71;width:min(380px,calc(100vw - 28px));height:min(560px,calc(100vh - 170px));display:flex;flex-direction:column;background:var(--bg,#fff7ea);color:var(--ink,#1d1230);border:3px solid #1d1230;border-radius:16px;box-shadow:5px 5px 0 #1d1230;overflow:hidden;font:400 15px/1.5 "Be Vietnam Pro",system-ui,sans-serif}
.chat-box[hidden]{display:none}
.chat-head{display:flex;align-items:center;justify-content:space-between;gap:8px;background:#3a1480;color:#fff;padding:10px 12px}
.chat-head small{display:block;opacity:.8;font-size:12px}
.chat-x{background:none;border:0;color:#fff;font-size:26px;line-height:1;cursor:pointer;min-width:40px;min-height:40px}
.chat-log2{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px}
.chat-row{display:flex;flex-direction:column;max-width:88%}
.chat-row--user{align-self:flex-end;align-items:flex-end}
.chat-row--system{align-self:center;max-width:95%}
.chat-who{font-size:12px;color:var(--muted,#5a4b70);margin:0 0 2px 4px}
.chat-bub{padding:8px 12px;border-radius:14px;border:2px solid #1d1230;background:var(--card,#fff);overflow-wrap:anywhere}
.chat-row--user .chat-bub{background:#ffd23f;color:#1d1230}
.chat-row--staff .chat-bub{background:#d9f5e3;color:#0d3b20}
.chat-row--system .chat-bub{background:transparent;border-style:dashed;font-size:13px;color:var(--muted,#5a4b70);text-align:center}
.chat-typing .chat-bub{opacity:.7;font-style:italic}
.chat-cta{display:inline-block;margin:4px 0;padding:4px 12px;border:2px solid #1d1230;border-radius:999px;background:#ffd23f;color:#1d1230!important;font-weight:700;text-decoration:none}
.chat-tools{display:flex;justify-content:space-between;padding:4px 12px;font-size:13px}
.chat-form{display:flex;gap:8px;padding:8px 10px 10px;border-top:2px solid rgba(128,128,128,.3)}
.chat-form textarea{flex:1;min-height:44px;max-height:120px;resize:none}
.chat-tools .linkbtn{background:none;border:0;font:inherit;cursor:pointer;padding:0;color:var(--brand)}
.chat-form .btn--sm{min-height:44px;padding:4px 14px;font-size:14px}
@media(max-width:600px){.chat-btn__t{display:none}.chat-btn{padding:12px}}

.chat-form textarea{font:inherit;color:inherit;background:var(--card,#fff);border:2px solid #1d1230;border-radius:8px;padding:6px 8px}
.chat-chips{display:flex;flex-wrap:wrap;gap:6px;padding:0 12px 6px}
.chat-chips button{border:2px solid #1d1230;background:var(--card,#fff);color:var(--ink,#1d1230);border-radius:999px;padding:4px 10px;font:600 13px/1.3 var(--f-body);cursor:pointer}
.lead-form{display:grid;gap:6px;padding:10px;border:2px dashed #1d1230;border-radius:12px;margin:4px 0}
.lead-form input{font:inherit;min-height:38px;padding:6px 8px;border:2px solid #1d1230;border-radius:8px;background:var(--card,#fff);color:inherit}
.lead-form label{display:flex;gap:6px;font-size:13px;align-items:flex-start}
.lead-send{justify-self:start;border:2px solid #1d1230;background:#ffd23f;color:#1d1230;border-radius:999px;padding:6px 16px;font:700 14px/1.2 inherit;cursor:pointer}
.chat-dots{display:inline-flex;gap:5px;align-items:center;padding:12px 14px}
.chat-dots span{width:8px;height:8px;border-radius:50%;background:currentColor;opacity:.35;animation:chatdot 1.2s infinite ease-in-out}
.chat-dots span:nth-child(2){animation-delay:.2s}.chat-dots span:nth-child(3){animation-delay:.4s}
@keyframes chatdot{0%,60%,100%{opacity:.25;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}
@media (prefers-reduced-motion:reduce){.chat-dots span{animation:none;opacity:.6}}
.chat-typing .chat-bub{font-style:normal;opacity:1}

/* ô mật khẩu có nút con mắt */
.pw-wrap{position:relative;display:block}
.pw-wrap input{width:100%;padding-right:48px}
.pw-eye{position:absolute;right:4px;top:50%;transform:translateY(-50%);width:40px;height:40px;border:0;background:transparent;color:inherit;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;opacity:.75}
.pw-eye:hover,.pw-eye:focus-visible{opacity:1;background:rgba(128,128,128,.15)}
.pw-eye svg{width:22px;height:22px;fill:currentColor}
/* nút Google */
.btn-google{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:48px;padding:8px 16px;border:2px solid #1d1230;border-radius:999px;background:#fff;color:#1d1230;font-weight:700;text-decoration:none;box-shadow:3px 3px 0 #1d1230;margin:8px 0 6px}
.btn-google:hover{transform:translate(-1px,-1px)}
.g-logo{width:22px;height:22px}
.g-note{font-size:12px;margin:0 0 10px}
.or-line{display:flex;align-items:center;gap:10px;margin:6px 0 12px;font-size:13px;opacity:.75}
.or-line::before,.or-line::after{content:"";flex:1;border-top:1px solid currentColor;opacity:.4}
/* phễu học thử: ô đăng ký lên đầu trên điện thoại, chữ xanh đủ tương phản */
.offer{display:flex;flex-direction:column}
@media(min-width:760px){.offer{display:grid}}
@media(max-width:759px){.offer__form{order:-1}}
.offer__card .offer__save{color:#1f7a45}

/* UX: chip khẩu hiệu không giả làm nút bấm; dòng cam kết dưới nút chính */
.beats span{box-shadow:none!important;border-style:dashed!important;cursor:default}
.hero-micro{margin:10px 0 0;font-size:14px;opacity:.92}