/* LiftHub — sàn đào tạo ngành thang máy
   Nền sáng (chủ ý một giao diện), xanh LiftHub + navy, vàng champagne cho phần doanh nghiệp. */
:root{color-scheme:light;
 --navy:#14284B;--navy-2:#1D3866;--blue:#2F5DB0;--blue-2:#5878B0;--sky:#EEF3FB;--sky-2:#E1EAF8;
 --gold:#C9A24A;--gold-d:#8F7128;--gold-soft:#F6F0E1;--ivory:#FBF9F4;
 --mint:#12A37F;--mint-d:#0B7C60;--mint-bg:#E3F6EF;--amber:#D9942B;--amber-bg:#FFF4DE;--red:#C2413B;--red-bg:#FCEBEA;
 --ink:#1E2633;--muted:#5F6B7A;--line:#E3E8F0;--soft:#F5F7FB;--white:#FFFFFF;
 --f:"Be Vietnam Pro","Segoe UI",system-ui,-apple-system,sans-serif;
 --f-lux:"Cormorant Garamond","Times New Roman",Georgia,serif;
 --r:14px;--r-sm:10px;--sh:0 18px 40px -28px rgba(20,40,75,.45)}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--f);font-size:15.5px;line-height:1.6;-webkit-font-smoothing:antialiased;padding-top:env(safe-area-inset-top,0px)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:#fff}
h1,h2,h3,h4{margin:0;line-height:1.22;text-wrap:balance;letter-spacing:-.015em;color:var(--navy)}
p{margin:0}
a{color:var(--blue)}
img{max-width:100%;height:auto}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:var(--ink)}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
[hidden]{display:none!important}
.w{max-width:1260px;margin:0 auto;padding-left:max(18px,env(safe-area-inset-left,0px));padding-right:max(18px,env(safe-area-inset-right,0px))}
.ic{width:18px;height:18px;flex-shrink:0}
.muted{color:var(--muted)}
.ok{color:var(--mint-d);font-weight:700}
.kick{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}
.num{font-variant-numeric:tabular-nums}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:100;background:#fff;padding:8px 12px;border-radius:8px}

/* buttons */
.btn{border:0;border-radius:12px;padding:12px 20px;font-weight:700;font-size:14.5px;display:inline-flex;gap:8px;align-items:center;justify-content:center;white-space:nowrap;text-decoration:none;cursor:pointer;line-height:1.2}
.btn.p{background:var(--blue);color:#fff}.btn.p:hover{background:#274F98}
.btn.n{background:var(--navy);color:#fff}
.btn.g{background:linear-gradient(135deg,#B08A35,#E3C77E 55%,#C29B3F);color:#241A04}
.btn.o{background:#fff;border:1.5px solid var(--line);color:var(--ink)}.btn.o:hover{border-color:var(--blue)}
.btn.s{background:var(--sky);color:var(--blue)}
.btn.m{background:var(--mint);color:#fff}
.btn.sm{padding:8px 13px;font-size:13px;border-radius:10px}

/* preview ribbon */
.ribbon{background:var(--amber-bg);color:#7A5310;font-size:13px;font-weight:600;text-align:center;padding:7px 16px}

/* top bar + header */
.topbar{background:var(--navy);color:#C8D3E6;font-size:12.5px}
.topbar .w{display:flex;justify-content:space-between;gap:12px;padding-block:7px;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none;font-weight:600}
.topbar b{color:#fff;font-variant-numeric:tabular-nums}
header.hd{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd .w{display:flex;gap:16px;align-items:center;padding-block:12px}
.logo{display:block;flex-shrink:0}.logo img{height:32px;width:auto;display:block}
.cat-dd{position:relative}
.catbtn{display:inline-flex;gap:8px;align-items:center;background:var(--sky);color:var(--blue);border:0;border-radius:12px;padding:10px 14px;font-weight:700;font-size:14px}
.mega{position:absolute;top:calc(100% + 8px);left:0;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh);padding:8px;width:310px;display:none;z-index:5}
.cat-dd:hover .mega,.cat-dd:focus-within .mega{display:block}
.mega a{display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:10px;color:var(--ink);text-decoration:none;font-size:14px;font-weight:500}
.mega a:hover{background:var(--soft)}.mega a .ic{color:var(--blue)}
.mega hr{border:0;border-top:1px solid var(--line);margin:6px 4px}
.hs{flex:1;display:flex;align-items:center;gap:8px;border:1.5px solid var(--line);border-radius:12px;padding:0 6px 0 14px;height:46px;min-width:0;background:#fff}
.hs:focus-within{border-color:var(--blue)}
.hs input{flex:1;border:0;min-width:0;background:none}.hs input:focus{outline:none}
.hs .ic{color:var(--muted)}
.nav{display:flex;gap:2px;align-items:center}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:14px;padding:9px 11px;border-radius:10px;white-space:nowrap}
.nav a:hover,.nav a[aria-current="page"]{background:var(--soft);color:var(--blue)}
.cart{display:inline-flex;gap:8px;align-items:center;background:var(--blue);color:#fff;border:0;border-radius:12px;padding:10px 14px;font-weight:700}
.cart .n{background:#fff;color:var(--blue);border-radius:999px;font-size:11px;min-width:20px;height:20px;display:grid;place-items:center;padding:0 5px}
.burger{display:none;background:var(--soft);border:0;border-radius:10px;width:44px;height:44px;place-items:center;color:var(--navy)}
@media (max-width:1380px){.nav a.opt{display:none}}
@media (max-width:900px){.nav{display:none}.burger{display:grid}
 body.menu-open .nav{display:flex;position:fixed;inset:calc(env(safe-area-inset-top,0px) + 70px) 0 auto;flex-direction:column;align-items:stretch;background:#fff;padding:12px max(18px,env(safe-area-inset-right,0px)) 18px max(18px,env(safe-area-inset-left,0px));border-bottom:1px solid var(--line);box-shadow:var(--sh);z-index:49}
 body.menu-open .nav a,body.menu-open .nav a.opt{display:block;padding:12px}}
@media (max-width:720px){.hd .w{flex-wrap:wrap}.hs{order:3;flex-basis:100%}.catbtn .t{display:none}.logo img{height:26px}.topbar .hide-s{display:none}}

/* breadcrumb */
.crumb{font-size:13px;color:var(--muted);padding-block:14px 0}
.crumb a{color:var(--muted);text-decoration:none}.crumb a:hover{color:var(--blue)}
.crumb span{margin:0 6px}

/* hero */
.hero{background:linear-gradient(180deg,var(--sky) 0,#fff 100%);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;width:620px;height:620px;border-radius:50%;right:-200px;top:-260px;background:radial-gradient(circle,rgba(88,120,176,.22),transparent 65%)}
.hero .w{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;padding-block:52px 48px;position:relative}
.hero .w>*{min-width:0}
.pill{display:inline-flex;gap:8px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 12px 6px 6px;font-size:13px;font-weight:600}
.pill b{background:var(--navy);color:#fff;border-radius:999px;padding:2px 9px;font-size:11.5px}
.hero h1{font-size:clamp(32px,4.4vw,52px);font-weight:800;margin-top:18px}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero .lead{font-size:17px;color:var(--muted);margin-top:14px;max-width:56ch}
.aud{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:26px}
.aud a{background:#fff;border:1.5px solid var(--line);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:6px;color:var(--ink);text-decoration:none}
.aud a:hover{border-color:var(--blue)}
.aud a .ic{color:var(--blue);width:22px;height:22px}
.aud b{font-size:14px}.aud span{font-size:12px;color:var(--muted)}
@media (max-width:980px){.hero .w{grid-template-columns:1fr;padding-block:34px}}
@media (max-width:620px){.aud{grid-template-columns:1fr 1fr}}

/* checker (inspection tag) */
.tag{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh);overflow:hidden;align-self:start}
.tag-head{height:9px;background:repeating-linear-gradient(-45deg,#E2B34A 0 14px,#1E2633 14px 28px)}
.tag-body{padding:22px}
.tag h2{font-size:21px}
.tag p.s{color:var(--muted);font-size:14px;margin-top:4px}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.fgrid .full{grid-column:1/-1}
@media (max-width:480px){.fgrid{grid-template-columns:1fr}}
.fld{display:flex;flex-direction:column;gap:5px;min-width:0}
.fld label{font-size:12.5px;font-weight:700;color:var(--muted)}
.fld input,.fld select,.fld textarea{height:44px;border:1px solid var(--line);border-radius:var(--r-sm);padding:0 12px;background:#fff;width:100%}
.fld textarea{height:auto;min-height:90px;padding:10px 12px;resize:vertical}
.fld .e{color:var(--red);font-size:12px}
.seg{display:flex;background:var(--soft);border-radius:999px;padding:3px;gap:2px}
.seg button{flex:1;border:0;background:none;padding:8px 10px;border-radius:999px;font-weight:600;font-size:13px;color:var(--muted)}
.seg button[aria-pressed="true"]{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.ck-res{margin-top:16px;border-radius:var(--r);padding:14px 16px;font-size:14px}
.ck-res.bad{background:var(--red-bg);color:var(--red)}.ck-res.warn{background:var(--amber-bg);color:#8A5A08}.ck-res.good{background:var(--mint-bg);color:var(--mint-d)}
.ck-res b.big{display:block;font-size:17px;margin-bottom:2px}
.ck-res .rec{color:var(--ink);margin-top:10px;display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}

/* sections */
section.blk{padding-block:60px}
section.soft{background:var(--soft)}
.sh{display:flex;justify-content:space-between;align-items:end;gap:18px;flex-wrap:wrap;margin-bottom:22px}
.sh h2{font-size:clamp(25px,2.9vw,34px);font-weight:800;margin-top:6px}
.sh p{color:var(--muted);margin-top:6px;max-width:62ch}
.tiles{display:grid;grid-template-columns:repeat(7,1fr);gap:12px}
@media (max-width:1100px){.tiles{grid-template-columns:repeat(4,1fr)}}
@media (max-width:560px){.tiles{grid-template-columns:repeat(2,1fr)}}
.tile{border:1.5px solid var(--line);border-radius:16px;padding:16px;background:#fff;text-align:left;display:flex;flex-direction:column;gap:10px;color:var(--ink);text-decoration:none}
.tile:hover,.tile[aria-pressed="true"]{border-color:var(--blue);background:var(--sky)}
.tile i{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--sky-2);color:var(--blue)}
.tile i .ic{width:22px;height:22px}
.tile b{font-size:14px;line-height:1.3}.tile span{font-size:12px;color:var(--muted)}

/* tabs + catalog */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);overflow-x:auto;margin-bottom:22px}
.tabs button,.tabs a{background:none;border:0;padding:12px 16px;font-weight:700;font-size:14.5px;color:var(--muted);border-bottom:3px solid transparent;white-space:nowrap;display:inline-flex;gap:8px;align-items:center;text-decoration:none}
.tabs .c{background:var(--soft);border-radius:999px;font-size:12px;padding:1px 8px}
.tabs [aria-selected="true"]{color:var(--blue);border-bottom-color:var(--blue)}
.tabs [aria-selected="true"] .c{background:var(--blue);color:#fff}
.layout{display:grid;grid-template-columns:250px 1fr;gap:26px;align-items:start}
.layout>*{min-width:0}
@media (max-width:920px){.layout{grid-template-columns:1fr}}
.side{border:1px solid var(--line);border-radius:16px;padding:18px;position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
@media (max-width:920px){.side{position:static;flex-direction:row;flex-wrap:wrap}.side fieldset{flex:1 1 170px}}
.side fieldset{border:0;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.side legend{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:8px}
.side label{display:flex;gap:9px;align-items:center;font-size:14px;cursor:pointer}
.side input{accent-color:var(--blue);width:16px;height:16px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chips button{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 13px;font-size:13px;color:var(--ink)}
.chips button[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.toolbar select,.toolbar input{height:40px;border:1.5px solid var(--line);border-radius:10px;padding:0 12px;background:#fff}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:16px}
.card{border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;background:#fff;transition:transform .15s,box-shadow .15s;min-width:0}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh)}
.thumb{height:116px;position:relative;display:flex;align-items:flex-end;padding:12px;overflow:hidden;text-decoration:none}
.thumb .ic{position:absolute;right:14px;top:14px;width:42px;height:42px;color:rgba(255,255,255,.92)}
.thumb::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 22px,rgba(255,255,255,.1) 22px 23px)}
.thumb .bds{display:flex;gap:6px;flex-wrap:wrap;position:relative;z-index:1}
.bd{font-size:11px;font-weight:800;padding:3px 9px;border-radius:999px;background:#fff;color:var(--navy)}
.bd.open{color:var(--mint-d)}.bd.soon{color:var(--blue)}.bd.coming{color:#8A5A08}.bd.req{background:var(--red-bg);color:var(--red)}.bd.hot{background:var(--gold);color:#241A04}
.t-antoan{background:linear-gradient(135deg,#2F5DB0,#5878B0)}.t-nghe{background:linear-gradient(135deg,#14284B,#2F5DB0)}.t-kythuat{background:linear-gradient(135deg,#3A6FB8,#6FA0D8)}.t-vanhanh{background:linear-gradient(135deg,#0B7C60,#12A37F)}.t-quanly{background:linear-gradient(135deg,#4A5568,#7A8699)}.t-chungchi{background:linear-gradient(135deg,#8F7128,#C9A24A)}.t-free{background:linear-gradient(135deg,#12A37F,#5878B0)}
.cb{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.cb .ct{font-size:12px;color:var(--muted);font-weight:600}
.cb h3{font-size:16px;font-weight:700;line-height:1.35}
.cb h3 a{color:var(--ink);text-decoration:none}.cb h3 a:hover{color:var(--blue)}
.cb .meta{display:flex;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.cb .meta span{display:inline-flex;gap:4px;align-items:center}.cb .meta .ic{width:14px;height:14px}
.cb .row{display:flex;justify-content:space-between;align-items:end;gap:8px;margin-top:auto;padding-top:8px}
.pr b{font-size:19px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--navy)}
.pr small{display:block;font-size:12px;color:var(--mint-d);font-weight:600}.pr small.g{color:var(--muted);font-weight:500}
.prog{height:6px;background:var(--soft);border-radius:9px;overflow:hidden;margin-top:4px}.prog span{display:block;height:100%;background:var(--amber)}
.empty{grid-column:1/-1;padding:40px;text-align:center;color:var(--muted);border:1.5px dashed var(--line);border-radius:16px}

/* 1-1 slots (from Hub App) */
.split2{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
.split2>*{min-width:0}
@media (max-width:980px){.split2{grid-template-columns:1fr}}
.panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}
.panel h3{font-size:19px;display:flex;gap:8px;align-items:center}
.dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(18,163,127,.18)}
.slots{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.slot-row{display:flex;gap:12px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:14px;flex-wrap:wrap}
.slot-row .lh-avatar{width:44px;height:44px;font-size:15px}
.slot-row .tx{flex:1;min-width:140px}.slot-row b{display:block;font-size:14px}.slot-row .tx span{font-size:12.5px;color:var(--muted)}
.slot-btns{display:flex;gap:6px;flex-wrap:wrap}
.slot-btns button{border:0;background:var(--mint-bg);color:var(--mint-d);font-weight:700;font-size:12.5px;border-radius:8px;padding:6px 9px;font-variant-numeric:tabular-nums}
.slot-btns button:hover{background:var(--mint);color:#fff}
/* floors (from Hub App) */
.floors{display:grid;grid-template-columns:300px 1fr;gap:16px}
.floors>*{min-width:0}
@media (max-width:760px){.floors{grid-template-columns:1fr}}
.shaft{display:flex;flex-direction:column;gap:6px;background:linear-gradient(180deg,var(--navy),var(--navy-2));border-radius:18px;padding:12px}
.floor{display:flex;gap:12px;align-items:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:10px 12px;color:#E6EEF8;text-align:left;width:100%}
.floor i{width:34px;height:34px;border-radius:50%;border:2px solid rgba(255,255,255,.35);display:grid;place-items:center;font-style:normal;font-weight:700;font-size:14px;flex-shrink:0}
.floor b{font-size:14px;display:block;font-weight:600}.floor span{font-size:12px;color:#9DB2CC}
.floor .n{margin-left:auto;white-space:nowrap}
.floor[aria-pressed="true"]{background:#fff;color:var(--navy);border-color:#fff}
.floor[aria-pressed="true"] i{border-color:var(--gold);color:var(--gold-d);box-shadow:0 0 0 4px rgba(201,162,74,.25)}
.floor[aria-pressed="true"] span{color:var(--muted)}
.fl-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:10px;align-content:start}
.fl-item{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fff}
.fl-item a.t{font-weight:700;color:var(--ink);text-decoration:none;display:block;margin-top:4px}.fl-item a.t:hover{color:var(--blue)}
.fl-item span.s{font-size:12.5px;color:var(--muted)}
.chip{font-size:11px;font-weight:700;border-radius:999px;padding:2px 9px;display:inline-block;margin-right:6px}
.chip.open{background:var(--mint-bg);color:var(--mint-d)}.chip.soon{background:var(--sky);color:var(--blue)}.chip.coming{background:var(--amber-bg);color:#8A5A08}.chip.req{background:var(--red-bg);color:var(--red)}

/* premium enterprise (from Luxe) */
.lux{background:var(--ivory);border-block:1px solid #EEE6D3}
.lux .kick{color:var(--gold-d);letter-spacing:.2em}
.lux h2,.lux .lux-h{font-family:var(--f-lux);font-weight:600;letter-spacing:0;color:var(--navy)}
.lux-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.lux-grid>*{min-width:0}
@media (max-width:900px){.lux-grid{grid-template-columns:1fr}}
.lux h2{font-size:clamp(32px,3.8vw,48px);line-height:1.1;margin-top:10px}
.lux ul.chk{list-style:none;padding:0;margin:20px 0 0;display:flex;flex-direction:column;gap:10px}
.lux ul.chk li{display:flex;gap:10px;font-size:15.5px}.lux ul.chk .ic{color:var(--gold-d);margin-top:3px}
.luxbox{background:#fff;border:1px solid #EADFC4;border-radius:22px;padding:28px;position:relative}
.luxbox::before{content:"";position:absolute;inset:9px;border:1px solid var(--gold-soft);border-radius:15px;pointer-events:none}
.luxbox .big{font-family:var(--f-lux);font-size:46px;font-weight:600;color:var(--navy);line-height:1}
.estimate{margin-top:16px;padding:16px;border-radius:var(--r);background:var(--gold-soft);border:1px solid #EADFC4}
.estimate .row{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:4px 0;font-variant-numeric:tabular-nums}
.estimate .row.tot{border-top:1px solid #E2D3AE;margin-top:6px;padding-top:10px;font-weight:800;font-size:17px;color:var(--navy)}
.steps4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:10px}
@media (max-width:860px){.steps4{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.steps4{grid-template-columns:1fr}}
.steps4 div{border-top:1px solid var(--gold);padding-top:14px}
.steps4 b{font-family:var(--f-lux);font-size:24px;color:var(--navy);display:block;font-weight:600}
.steps4 p{font-size:14px;color:var(--muted);margin-top:4px}

/* schedule table */
.tblwrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:var(--soft);white-space:nowrap}
tr:last-child td{border-bottom:0}
td.date{font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:700}
td a{color:var(--ink);font-weight:600;text-decoration:none}td a:hover{color:var(--blue)}

/* mentors */
.mgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.mcard{border:1px solid var(--line);border-radius:18px;padding:18px;display:flex;flex-direction:column;gap:12px;background:#fff}
.mcard .h{display:flex;gap:12px;align-items:center}
.mcard .org{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.06em}
.org.lifthub{color:var(--blue)}.org.ext{color:var(--muted)}.org.oem{color:var(--mint-d)}
.mcard h3{font-size:16px}.mcard .r{font-size:13px;color:var(--muted)}
.mcard .bio{font-size:13.5px;color:var(--muted)}
.mcard .sk{display:flex;flex-wrap:wrap;gap:6px}.mcard .sk span{font-size:12px;background:var(--soft);border-radius:8px;padding:3px 8px}
.mcard .modes{display:flex;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.mcard .modes span{display:inline-flex;gap:5px;align-items:center}.mcard .modes .ic{width:14px;height:14px;color:var(--blue)}
.mcard .f{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:12px;margin-top:auto}
.mcard .f b{font-size:18px;font-weight:800;color:var(--navy)}
.sample{font-size:11px;font-weight:700;background:var(--amber-bg);color:#8A5A08;border-radius:6px;padding:2px 7px;margin-left:6px;vertical-align:2px}
.how{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:760px){.how{grid-template-columns:1fr}}
.how div{display:flex;gap:14px}
.how i{width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-style:normal;font-weight:800;flex-shrink:0}
.how b{display:block;font-size:16px;color:var(--navy)}.how p{font-size:14px;color:var(--muted)}

/* path */
.path{display:grid;grid-template-columns:repeat(5,1fr);position:relative}
.path::before{content:"";position:absolute;left:10%;right:10%;top:22px;height:2px;background:linear-gradient(90deg,var(--blue-2),var(--navy))}
.step{text-align:center;padding:0 8px;position:relative;text-decoration:none;color:var(--ink)}
.step i{width:46px;height:46px;border-radius:50%;background:#fff;border:2px solid var(--blue);display:grid;place-items:center;margin:0 auto 10px;font-style:normal;font-weight:800;color:var(--blue)}
.step b{font-size:14px;display:block}.step span{font-size:12.5px;color:var(--muted)}
@media (max-width:760px){.path{grid-template-columns:1fr;gap:12px}.path::before{display:none}.step{display:grid;grid-template-columns:46px 1fr;gap:12px;text-align:left;align-items:center}.step i{margin:0}}

/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px;color:var(--navy)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:800;color:var(--blue)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:8px;color:var(--muted);font-size:14.5px;max-width:78ch}

/* course page */
.cp{display:grid;grid-template-columns:1fr 370px;gap:36px;align-items:start;padding-block:22px 60px}
.cp>*{min-width:0}
@media (max-width:980px){.cp{grid-template-columns:1fr}}
.cp-head{display:flex;flex-direction:column;gap:12px}
.cp-head h1{font-size:clamp(28px,3.4vw,40px);font-weight:800}
.cp-head .lead{font-size:17px;color:var(--muted)}
.cp-badges{display:flex;gap:6px;flex-wrap:wrap}
.cp-badges .bd{border:1px solid var(--line)}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:22px}
@media (max-width:640px){.facts{grid-template-columns:1fr 1fr}}
.facts div{background:var(--soft);border-radius:14px;padding:14px}
.facts span{font-size:12px;color:var(--muted);display:block}.facts b{font-size:15px;color:var(--navy)}
.cp h2{font-size:22px;margin:34px 0 14px}
.learn{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:640px){.learn{grid-template-columns:1fr}}
.learn li{display:flex;gap:10px;font-size:15px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.learn .ic{color:var(--mint);margin-top:3px}
.hsplit{display:flex;height:10px;border-radius:999px;overflow:hidden;background:var(--soft);margin:6px 0}
.hsplit .a{background:var(--blue-2)}.hsplit .b{background:var(--navy)}
.hleg{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);flex-wrap:wrap;gap:8px}
.mods{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-direction:column;gap:8px}
.mods li{display:flex;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:12px;background:var(--soft);font-size:14.5px}
.mods li.off{background:#fff;border:1px solid var(--line)}
.mods li em{font-style:normal;font-size:12px;font-weight:700;color:var(--blue-2);margin-right:8px}
.mods li.off em{color:var(--navy)}
.mods li span:last-child{white-space:nowrap;color:var(--muted);font-variant-numeric:tabular-nums}
.buy{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--sh);display:flex;flex-direction:column;gap:14px}
.buy .price b{font-size:30px;font-weight:800;color:var(--navy);font-variant-numeric:tabular-nums;line-height:1.1;display:block}
.buy .price small{color:var(--muted);font-size:13px}
.buy .tiers{display:flex;flex-direction:column;gap:6px}
.buy .tiers div{display:flex;justify-content:space-between;font-size:14px;padding:8px 12px;border-radius:10px;background:var(--soft);font-variant-numeric:tabular-nums}
.buy .dates{display:flex;flex-direction:column;gap:6px}
.buy .dates button{display:flex;justify-content:space-between;align-items:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:14px;color:var(--ink);text-align:left}
.buy .dates button:hover{border-color:var(--blue)}
.buy .help{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px}
.related{padding-block:10px 60px}

/* page header */
.ph{background:linear-gradient(180deg,var(--sky),#fff);padding-block:40px 30px}
.ph h1{font-size:clamp(28px,3.6vw,44px);font-weight:800;margin-top:8px}
.ph p{color:var(--muted);font-size:17px;margin-top:10px;max-width:64ch}
.ph.luxh{background:var(--ivory);border-bottom:1px solid #EEE6D3}
.ph.luxh h1{font-family:var(--f-lux);font-weight:600;font-size:clamp(36px,4.6vw,58px);letter-spacing:0}
.ph.luxh .kick{color:var(--gold-d);letter-spacing:.2em}

/* prose */
.prose{max-width:78ch;padding-block:30px 60px}
.prose h2{font-size:21px;margin:28px 0 10px}
.prose p,.prose li{color:#384150;font-size:15.5px}
.prose p+p{margin-top:10px}
.prose ul{padding-left:20px}
.draft{background:var(--amber-bg);color:#7A5310;border-radius:12px;padding:12px 16px;font-size:14px;margin-bottom:10px}

/* footer */
footer.ft{background:var(--navy);color:#B9C6DA;font-size:14px}
.ft .w{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px;padding-block:46px 30px}
.ft img{height:30px;width:auto}
.ft h4{color:#fff;font-size:14px;margin:0 0 12px}
.ft ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px}
.ft a{color:#B9C6DA;text-decoration:none}.ft a:hover{color:#fff}
.ft .copy{border-top:1px solid rgba(255,255,255,.1);padding-block:16px 96px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px}
.ft .copy.w{display:flex}
@media (max-width:800px){.ft .w{grid-template-columns:1fr 1fr}}
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--line);display:none;gap:8px;padding:8px max(12px,env(safe-area-inset-right,0px)) calc(8px + env(safe-area-inset-bottom,0px)) max(12px,env(safe-area-inset-left,0px))}
.mbar .btn{flex:1;padding:11px 6px}
@media (max-width:760px){.mbar{display:flex}}

/* drawers, modals (commerce layer) */
.lh-scrim{position:fixed;inset:0;background:rgba(20,40,75,.42);backdrop-filter:blur(3px);z-index:80;opacity:0;pointer-events:none;transition:opacity .2s}
.lh-scrim.show{opacity:1;pointer-events:auto}
.lh-drawer{position:fixed;top:0;right:0;bottom:0;width:min(540px,100%);background:#fff;z-index:90;transform:translateX(102%);transition:transform .25s ease;display:flex;flex-direction:column;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);padding-right:env(safe-area-inset-right,0px);box-shadow:-20px 0 60px -30px rgba(20,40,75,.4)}
.lh-drawer.show{transform:none}
.lh-modal{position:fixed;inset:0;z-index:95;display:grid;place-items:center;padding:16px;pointer-events:none;opacity:0;transition:opacity .2s}
.lh-modal.show{opacity:1;pointer-events:auto}
.lh-mbox{background:#fff;border-radius:20px;width:min(620px,100%);max-height:calc(100% - 32px);display:flex;flex-direction:column;box-shadow:0 30px 80px -30px rgba(20,40,75,.5);overflow:hidden}
.lh-dh{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:18px 22px;border-bottom:1px solid var(--line)}
.lh-dh h3{font-size:20px;margin-top:2px}
.lh-x{background:var(--soft);border:0;width:36px;height:36px;border-radius:50%;font-size:20px;line-height:1;color:var(--ink);flex-shrink:0}
.lh-db{flex:1;overflow-y:auto;padding:20px 22px;display:flex;flex-direction:column;gap:18px}
.lh-df{border-top:1px solid var(--line);padding:16px 22px;display:flex;flex-direction:column;gap:10px}
.lh-k{font-size:11.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:0 0 8px}
.lh-big{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--navy)}
.lh-opts{display:flex;flex-direction:column;gap:8px}
.lh-opts label{display:flex;gap:10px;align-items:center;border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 12px;cursor:pointer;font-size:14px}
.lh-opts label:has(input:checked){border-color:var(--blue);background:var(--sky)}
.lh-opts label.dis{opacity:.45;cursor:not-allowed}
.lh-opts label small{display:block;color:var(--muted);font-size:12.5px}
.lh-row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.lh-pills{display:flex;gap:8px;flex-wrap:wrap}
.lh-pills button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 13px;font-size:13px;color:var(--ink);font-variant-numeric:tabular-nums}
.lh-pills button[aria-pressed="true"]{background:var(--blue);color:#fff;border-color:var(--blue)}
.lh-pills button:disabled{opacity:.35;cursor:not-allowed;text-decoration:line-through}
.lh-qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lh-qty button{width:36px;height:36px;border:0;background:var(--soft);font-size:18px;color:var(--ink)}
.lh-qty input{width:52px;height:36px;border:0;text-align:center;background:#fff;font-weight:700}
.lh-tiers{display:flex;gap:8px;flex-wrap:wrap}
.lh-tiers span{font-size:12.5px;padding:6px 10px;border-radius:var(--r-sm);border:1px solid var(--line);font-variant-numeric:tabular-nums}
.lh-tiers span.on{border-color:var(--mint);background:var(--mint-bg);color:var(--mint-d);font-weight:700}
.lh-btn{border:0;border-radius:12px;padding:12px 20px;font-weight:700;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap}
.lh-btn.p{background:var(--blue);color:#fff}.lh-btn.g{background:var(--soft);color:var(--ink)}
.lh-btn.sm{padding:8px 13px;font-size:13px}
.lh-btn:disabled{opacity:.45;cursor:not-allowed}
.lh-line{display:grid;grid-template-columns:1fr auto;gap:6px 12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.lh-line h4{font-size:15px;color:var(--ink)}.lh-line .m{font-size:13px;color:var(--muted)}
.lh-line .c{display:flex;gap:10px;align-items:center}
.lh-line .rm{background:none;border:0;color:var(--red);font-size:13px;font-weight:600;padding:0}
.lh-sum{display:flex;justify-content:space-between;font-size:14px;font-variant-numeric:tabular-nums}
.lh-sum.t{font-size:19px;font-weight:800;color:var(--navy)}
.lh-empty{padding:36px 20px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:var(--r)}
.lh-f{display:flex;flex-direction:column;gap:5px;min-width:0}
.lh-f label{font-size:12.5px;font-weight:700;color:var(--muted)}
.lh-f input,.lh-f select,.lh-f textarea{height:42px;border:1px solid var(--line);border-radius:var(--r-sm);padding:0 12px;background:#fff;width:100%}
.lh-f textarea{height:auto;min-height:70px;padding:10px 12px}
.lh-f .e{color:var(--red);font-size:12px}
.lh-grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.lh-grid2 .full{grid-column:1/-1}
@media (max-width:480px){.lh-grid2{grid-template-columns:1fr}}
.lh-seg{display:flex;background:var(--soft);border-radius:999px;padding:3px;gap:2px}
.lh-seg button{flex:1;border:0;background:none;padding:8px 10px;border-radius:999px;font-weight:600;font-size:13px;color:var(--muted)}
.lh-seg button[aria-pressed="true"]{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.lh-steps{display:flex;gap:6px;padding:12px 22px 0;font-size:12.5px;font-weight:700;color:var(--muted)}
.lh-steps span{flex:1;padding-top:8px;border-top:3px solid var(--line)}.lh-steps span.on{border-color:var(--blue);color:var(--ink)}
.lh-qr{display:flex;gap:16px;align-items:center;flex-wrap:wrap;background:var(--soft);border-radius:var(--r);padding:14px}
.lh-qr img{background:#fff;border-radius:8px;width:180px;height:180px}
.lh-kv{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:13.5px;margin:0}
.lh-kv dt{color:var(--muted)}.lh-kv dd{margin:0;font-weight:600;word-break:break-word}
.lh-note{border-radius:var(--r);padding:12px 14px;font-size:13.5px}
.lh-note.ok{background:var(--mint-bg);color:var(--mint-d)}.lh-note.warn{background:var(--amber-bg);color:#8A5A08}
.lh-note b{display:block;font-size:15px;margin-bottom:2px}
.lh-done{text-align:center}.lh-done h3{font-size:24px}
.lh-done .ic{width:62px;height:62px;border-radius:50%;background:var(--mint-bg);display:grid;place-items:center;margin:0 auto 12px;color:var(--mint-d);font-size:30px;font-weight:800}
.lh-next{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-direction:column;gap:8px;text-align:left}
.lh-next li{font-size:14px;background:var(--soft);padding:10px 12px;border-radius:var(--r-sm)}
.lh-avatar{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:18px;color:#fff;flex-shrink:0;background:linear-gradient(135deg,#2F5DB0,#5878B0)}
.lh-avatar.ext{background:linear-gradient(135deg,#14284B,#4A5568)}.lh-avatar.oem{background:linear-gradient(135deg,#0B7C60,#2F5DB0)}
.lh-toast{position:fixed;left:50%;bottom:calc(88px + env(safe-area-inset-bottom,0px));transform:translate(-50%,16px);background:var(--ink);color:#fff;padding:11px 18px;border-radius:999px;font-weight:600;font-size:14px;z-index:120;opacity:0;transition:.2s;pointer-events:none;max-width:calc(100% - 32px);text-align:center}
.lh-toast.show{opacity:1;transform:translate(-50%,0)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}