:root{--c:#890C25;--c2:#6d0a1e;--c-soft:#f7ecee;--ink:#0A0A0A;--ink2:#2b2b2d;--grey:#737477;--line:#e7e5e4;--bg:#F6F6F6;--white:#fff;--gold:#b08d57;--ok:#2f6b3f;--warn:#9a6a12;--r:14px;--sh:0 1px 2px rgba(10,10,10,.04),0 8px 24px -12px rgba(10,10,10,.12);--serif:"Playfair Display",Georgia,serif;--sans:Inter,system-ui,sans-serif}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font:15px/1.6 var(--sans);color:var(--ink2);background:var(--bg)}
a{color:var(--c);text-decoration:none}a:hover{color:var(--c2)}h1,h2,h3{font-family:var(--serif);color:var(--ink);font-weight:500;line-height:1.2;margin:0 0 .4em}
img{max-width:100%}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none}
.app{display:flex;min-height:100vh}.side{width:264px;background:var(--c);color:var(--white);position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;padding:26px 16px;z-index:30;transition:transform .25s}
.brand img{height:auto;width:130px;display:block;margin:6px auto}.campus{font:500 11px/1 var(--sans);letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin:14px 12px 26px}
.side nav{display:flex;flex-direction:column;gap:2px}.side nav a{display:flex;gap:12px;align-items:center;padding:10px 12px;border-radius:0;color:var(--white);font-weight:500;font-size:14px}.side nav a:hover{background:var(--c2);color:var(--white)}.side nav a.on{background:var(--white);color:var(--c)}.side nav a:focus-visible{outline:2px solid var(--white);outline-offset:2px}
.side-foot{margin-top:auto;padding:12px;font-size:13px}.side-foot a{color:var(--white)}
.main{margin-left:264px;flex:1;min-width:0;display:flex;flex-direction:column}
.top{height:68px;display:flex;align-items:center;gap:16px;padding:0 36px;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.crumb{font-size:13px;color:var(--grey);letter-spacing:.02em}.top-r{margin-left:auto;display:flex;align-items:center;gap:14px}.menu{display:none;background:none;border:0;padding:6px;cursor:pointer}
.bell{position:relative;color:var(--ink2);display:flex;padding:8px;border-radius:50%}.bell:hover{background:var(--bg)}.bell b{position:absolute;top:2px;right:2px;background:var(--c);color:#fff;font-size:10px;min-width:17px;height:17px;border-radius:9px;display:grid;place-items:center}
.me{position:relative}.me summary{list-style:none;display:flex;align-items:center;gap:10px;cursor:pointer}.me summary::-webkit-details-marker{display:none}
.av{width:38px;height:38px;border-radius:50%;background:var(--c);color:#fff;display:grid;place-items:center;font:600 13px var(--sans);letter-spacing:.04em}.nm{font-weight:500;font-size:14px;line-height:1.2;color:var(--ink)}.nm small{display:block;color:var(--grey);font-weight:400;font-size:12px}
.me>div{position:absolute;right:0;top:48px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh);min-width:200px;padding:6px}.me>div a,.me>div button{display:block;width:100%;text-align:left;padding:10px 12px;border-radius:8px;color:var(--ink2);background:none;border:0;font:inherit;cursor:pointer}.me>div a:hover,.me>div button:hover{background:var(--bg)}
.content{padding:40px 36px 60px;max-width:1280px;width:100%;flex:1}.foot{padding:22px 36px;font-size:12px;color:var(--grey);border-top:1px solid var(--line)}.foot a{color:var(--grey)}
.ph{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:30px}.ph h1{font-size:clamp(28px,3.4vw,40px)}.kick{font:600 11px var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--c);margin:0 0 10px}.lead{color:var(--grey);max-width:680px;margin:0;font-size:16px}.acts{display:flex;gap:10px;flex-wrap:wrap}
.hero{position:relative;border-radius:20px;overflow:hidden;color:#fff;padding:44px 40px;margin-bottom:28px;background:var(--ink)}.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.45}.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,10,10,.92),rgba(137,12,37,.35))}.hero>*{position:relative;z-index:1}.hero h1{color:#fff;font-size:clamp(28px,3.6vw,44px)}.hero p{color:#e8e4e2;max-width:600px}.hero .kick{color:#e9c9a0}
.grid{display:grid;gap:22px}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}.span2{grid-column:span 2}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--sh);min-width:0}.ch{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px}.ch h2{font-size:20px;margin:0}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;box-shadow:var(--sh)}.stat b{display:block;font:500 32px/1.1 var(--serif);color:var(--ink)}.stat span{font-size:13px;color:var(--grey)}
.course{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);transition:transform .2s,box-shadow .2s;color:inherit}.course:hover{transform:translateY(-2px);box-shadow:0 14px 34px -16px rgba(10,10,10,.25);color:inherit}
.course .ci{aspect-ratio:16/8;background:var(--ink) center/cover;position:relative}.course .ci span{position:absolute;left:16px;top:16px;background:#fff;color:var(--c);font:600 10px var(--sans);letter-spacing:.16em;text-transform:uppercase;padding:6px 10px;border-radius:20px}.course .cb{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}.course h3{font-size:19px;margin:0}.course p{margin:0;color:var(--grey);font-size:14px}
.bar{height:6px;background:#eee9e7;border-radius:4px;overflow:hidden}.bar i{display:block;height:100%;background:var(--c);border-radius:4px;transition:width .6s}
.list{list-style:none;margin:0;padding:0}.list li{display:flex;gap:14px;align-items:center;padding:13px 0;border-top:1px solid var(--line)}.list li:first-child{border-top:0}.list .when{min-width:58px;text-align:center;font-size:11px;color:var(--grey);text-transform:uppercase;letter-spacing:.08em}.list .when b{display:block;font:500 22px/1 var(--serif);color:var(--c)}.list .t{flex:1;min-width:0}.list .t strong{display:block;color:var(--ink);font-weight:500}.list .t small{color:var(--grey)}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--c);color:#fff;border:1px solid var(--c);border-radius:999px;padding:11px 22px;font:500 14px var(--sans);cursor:pointer;transition:background .2s}.btn:hover{background:var(--c2);color:#fff}.btn.ghost{background:#fff;color:var(--c);border-color:#e5cfd4}.btn.ghost:hover{background:var(--c-soft)}.btn.dark{background:var(--ink);border-color:var(--ink)}.btn.sm{padding:6px 14px;font-size:13px}.btn.wide{width:100%;justify-content:center}.inl{display:inline}
.badge{display:inline-block;font:600 11px var(--sans);padding:4px 10px;border-radius:20px;background:#efedec;color:var(--ink2);letter-spacing:.02em;white-space:nowrap}.b-active,.b-marked,.b-paid,.b-completed,.b-open,.b-processed,.b-Pass,.b-Merit,.b-Distinction{background:#e5f0e8;color:var(--ok)}.b-pending,.b-submitted,.b-invited,.b-draft,.b-due{background:#fbf1de;color:var(--warn)}.b-suspended,.b-overdue,.b-returned,.b-closed,.b-rejected{background:var(--c-soft);color:var(--c)}
.tw{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th{text-align:left;font:600 11px var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--grey);padding:10px 12px;border-bottom:1px solid var(--line)}td{padding:13px 12px;border-bottom:1px solid var(--line);vertical-align:top}tr:last-child td{border-bottom:0}
.form{display:grid;gap:16px}.form.two{grid-template-columns:1fr 1fr}.form.two .fa,.form.two .full{grid-column:1/-1}.fl{display:flex;flex-direction:column;gap:6px}.fl>span{font-size:13px;font-weight:500;color:var(--ink)}.fl small{color:var(--grey);font-size:12px}
input,select,textarea{font:inherit;color:var(--ink);background:#fff;border:1px solid #d9d6d4;border-radius:10px;padding:11px 13px;width:100%;transition:border .2s,box-shadow .2s}input:focus,select:focus,textarea:focus{outline:0;border-color:var(--c);box-shadow:0 0 0 3px rgba(137,12,37,.12)}input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--c)}
.chk{display:flex;gap:10px;align-items:center;font-size:14px}.fa{display:flex;gap:10px}
.flash{padding:13px 18px;border-radius:12px;margin-bottom:22px;background:#e5f0e8;color:var(--ok);border:1px solid #cfe3d5;font-size:14px}.flash.err{background:var(--c-soft);color:var(--c);border-color:#ecd0d6}
.empty{text-align:center;padding:50px 20px;color:var(--grey)}.empty.sm{padding:22px 10px;font-size:14px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:24px;overflow-x:auto}.tabs a{padding:12px 16px;color:var(--grey);font-weight:500;font-size:14px;border-bottom:2px solid transparent;white-space:nowrap}.tabs a.on{color:var(--c);border-color:var(--c)}
.mod{background:#fff;border:1px solid var(--line);border-radius:var(--r);margin-bottom:16px;overflow:hidden}.mod>summary{list-style:none;padding:20px 24px;cursor:pointer;display:flex;justify-content:space-between;gap:12px;align-items:center}.mod>summary::-webkit-details-marker{display:none}.mod h3{margin:0;font-size:19px}.mod>summary small{color:var(--grey)}
.les{display:flex;align-items:center;gap:14px;padding:14px 24px;border-top:1px solid var(--line);color:var(--ink2)}.les:hover{background:#fbfafa;color:var(--ink)}.les .dot{width:22px;height:22px;border-radius:50%;border:1.5px solid #cfcac8;display:grid;place-items:center;flex:none}.les.done .dot{background:var(--c);border-color:var(--c)}.les.done .dot::after{content:"";width:9px;height:5px;border:2px solid #fff;border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px)}.les .ty{margin-left:auto;font-size:12px;color:var(--grey)}
.prose{max-width:760px;font-size:16.5px;line-height:1.75}.prose h3{font-size:22px;margin-top:1.4em}.video{position:relative;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;background:#000;margin:0 0 24px}.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.q{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;margin-bottom:14px}.q p{font-weight:500;color:var(--ink);margin-top:0}.q label{display:flex;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;margin-top:8px;cursor:pointer}.q label:hover{border-color:var(--c)}
.timer{position:sticky;top:80px;float:right;background:var(--ink);color:#fff;padding:8px 16px;border-radius:20px;font:500 14px var(--sans)}
.msg{padding:14px 16px;border-radius:12px;background:var(--bg);margin-bottom:10px}.msg.mine{background:var(--c-soft)}.msg small{color:var(--grey);display:block;margin-bottom:4px}
.muted{color:var(--grey)}.right{text-align:right}.mt{margin-top:22px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
/* auth */
.auth{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;background:#fff}.auth-art{position:relative;background:var(--ink) url(/assets/img/hero-online-learning.jpg) center/cover;color:#fff;padding:56px;display:flex;flex-direction:column;justify-content:space-between}.auth-art::before{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(10,10,10,.82),rgba(137,12,37,.62))}.auth-art>*{position:relative}.auth-art img{height:auto;width:200px;max-width:60%;display:block}.auth-art h2{color:#fff;font-size:clamp(30px,3.4vw,46px);max-width:520px;font-style:italic}.auth-art p{color:#e9e3e0;max-width:460px}.auth-art .kick{color:#e9c9a0}
.auth-form{display:flex;align-items:center;justify-content:center;padding:48px 24px}.auth-box{width:100%;max-width:400px}.auth-box h1{font-size:34px}.auth-box .lead{margin-bottom:28px;font-size:15px}.auth-links{display:flex;justify-content:space-between;align-items:center;font-size:14px}.auth-foot{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);font-size:12px;color:var(--grey);display:flex;gap:14px;flex-wrap:wrap}.auth-foot a{color:var(--grey)}.bare .flash{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:9;max-width:90vw}
.cert{background:#fff;max-width:1000px;margin:30px auto;aspect-ratio:1.414;padding:60px 70px;border:1px solid var(--line);position:relative;text-align:center;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px}.cert::before{content:"";position:absolute;inset:16px;border:1.5px solid var(--c);pointer-events:none}.cert::after{content:"";position:absolute;inset:22px;border:.5px solid var(--gold);pointer-events:none}.cert img{height:90px}.cert h1{font-size:46px;color:var(--c);margin:10px 0 0}.cert .who{font:italic 500 36px var(--serif);color:var(--ink);border-bottom:1px solid var(--line);padding:0 40px 8px}.cert .meta{font-size:12px;color:var(--grey);margin-top:20px;letter-spacing:.06em}
@media print{.noprint{display:none!important}body{background:#fff}.cert{margin:0;border:0;max-width:none;width:100%}@page{size:A4 landscape;margin:0}}
@media(max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.side{transform:translateX(-100%)}.side.open{transform:none;box-shadow:0 0 0 100vmax rgba(0,0,0,.4)}.main{margin-left:0}.menu{display:flex}.top{padding:0 16px}.content{padding:26px 16px 50px}.nm{display:none}.g2,.g3,.span2{grid-template-columns:1fr;grid-column:auto}.form.two{grid-template-columns:1fr}.auth{grid-template-columns:1fr}.auth-art{min-height:240px;padding:28px}.auth-art img{width:130px}.auth-art h2{font-size:26px}.hero{padding:30px 22px}.cert{padding:30px;aspect-ratio:auto}.cert h1{font-size:30px}.cert .who{font-size:26px}
 td{display:block;border:0;padding:4px 0}td::before{content:attr(data-l);display:block;font:600 10px var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--grey)}thead{display:none}tr{display:block;padding:12px 0;border-bottom:1px solid var(--line)}}
@media(max-width:520px){.g4{grid-template-columns:1fr 1fr}}
.study-timeline,.study-layers,.study-calculator{margin:32px 0;border-block:1px solid var(--line);padding:24px 0}.study-timeline figcaption{font:500 22px var(--serif);color:var(--ink)}.study-timeline ol{list-style:none;padding:0 0 0 20px;border-left:2px solid var(--c)}.study-timeline li{padding:12px 0}.study-timeline summary,.study-layers summary{cursor:pointer;color:var(--c);font-weight:600}.study-timeline details p,.study-layers details p{margin:16px 0;font-size:14px}.study-layers details{border-bottom:1px solid var(--line);padding:18px 0}.study-calculator input{margin-top:8px}.study-calculator output{display:block;padding:20px 0;color:var(--c);font-weight:500}.study-calculator .study-chart-row{grid-template-columns:100px minmax(0,1fr) 70px}.certificate-signature{border-top:1px solid var(--grey);padding-top:8px;font-size:12px;margin-top:20px}.cert{height:auto;min-height:660px;gap:8px;overflow-wrap:anywhere}.cert h1{font-size:32px}.cert p{max-width:740px;margin:4px 0}.q legend{font-weight:500;padding:0 8px}.btn{border-radius:0}.card,.mod,.q{border-radius:8px}.study-reader{overflow-wrap:anywhere} @media(max-width:860px){.cert{min-height:0;padding:36px 26px}.cert h1{font-size:26px}.cert .who{padding-inline:8px}.study-calculator .study-chart-row{grid-template-columns:75px minmax(0,1fr) 66px}}

.prof{display:flex;gap:18px;align-items:flex-start;margin-top:18px}.prof img{width:96px;height:96px;border-radius:50%;object-fit:cover;object-position:center top;flex:none}.prof h3{margin:0 0 4px}.prof p{margin:0;font-size:14px;color:var(--muted,#737477)}
.cert img{width:96px;height:90px;object-fit:contain;flex:none}.tutor-profile img{width:180px;height:auto;max-width:35%;border-radius:0;object-fit:contain}
.auth-art img.auth-logo{width:210px;max-width:55%;height:auto;filter:drop-shadow(0 2px 10px rgba(0,0,0,.35));margin-bottom:28px}@media(max-width:860px){.auth-art img.auth-logo{width:140px;margin-bottom:22px}}
@media(max-width:860px){.auth-art{justify-content:flex-start;gap:16px;padding-top:28px;min-height:0}.auth-art img.auth-logo{margin-bottom:0}}
/* Contemporary Marketing academic reader. Existing campus tokens remain authoritative. */
.auth-art img.auth-logo{width:210px!important;height:197.4px!important;max-width:none!important;aspect-ratio:800/752;object-fit:contain;flex:0 0 auto!important;align-self:flex-start}
.brand img{width:130px;height:122.2px;object-fit:contain;flex:none}
.study-intro{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;margin:34px 0;padding-bottom:26px;border-bottom:1px solid var(--line)}.study-intro h2{font-size:27px}.study-intro p{max-width:670px;color:var(--grey)}.study-pace{border-left:2px solid var(--c);padding:8px 0 8px 18px;align-self:center}.study-pace strong,.study-pace span{display:block}.study-pace span{font-size:12px;color:var(--grey)}
.study-course-cover{border-radius:0;min-height:280px}.study-course-cover img{opacity:.65}.study-course-cover h1{font-size:38px;max-width:720px}.study-course-cover .kick{letter-spacing:0}
.study-layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:36px;align-items:start}.study-rail{position:sticky;top:94px;font-size:13px}.study-back{display:block;margin-bottom:28px}.study-contents{display:flex;flex-direction:column;gap:12px}.study-contents a{color:var(--grey);border-left:1px solid var(--line);padding-left:12px}.study-contents a:hover{color:var(--c);border-color:var(--c)}.study-rail .kick{letter-spacing:0}.study-reader{background:var(--white);padding:40px 44px;min-width:0;max-width:850px;font-size:16px;line-height:1.85}.study-reader header{border-bottom:1px solid var(--line);padding-bottom:26px;margin-bottom:28px}.study-reader h1{font-size:36px;line-height:1.2}.study-reader h2{font-size:27px;margin:42px 0 16px;scroll-margin-top:95px}.study-reader h3{font-size:21px;margin:28px 0 14px}.study-reader p{margin:0 0 20px}.study-reader .kick{font-size:11px;letter-spacing:0}.study-lead{font-size:18px;color:var(--grey);line-height:1.65}.study-reader strong{color:var(--ink)}
.study-figure{margin:26px 0 36px}.study-figure img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}.study-figure figcaption,.study-table figcaption,.study-caption{font-size:12px;line-height:1.6;color:var(--grey);margin-top:10px}.study-note{border-left:3px solid var(--c);background:var(--c-soft);padding:20px 24px;margin:30px 0}.study-note p{margin:8px 0 0;font-size:14px}.study-terms{border-block:1px solid var(--line);margin:28px 0}.study-terms>div{display:grid;grid-template-columns:145px minmax(0,1fr);gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}.study-terms>div:last-child{border:0}.study-terms dt{font-weight:600;color:var(--c);font-size:14px}.study-terms dd{margin:0;font-size:14px}.study-table{margin:30px 0}.study-table th{background:var(--c-soft);color:var(--c);letter-spacing:0;text-transform:none;font-size:12px}.study-table td{font-size:13px}.study-diagram{margin:32px 0}.study-diagram>figcaption,.study-chart>figcaption{font:500 20px var(--serif);color:var(--ink);margin-bottom:18px}.study-diagram ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);padding:1px;margin:0;list-style:none;counter-reset:none}.study-diagram li{background:var(--bg);padding:18px}.study-diagram li strong{display:block;color:var(--c);font-size:14px}.study-diagram li span{display:block;font-size:13px;line-height:1.6;margin-top:7px}.study-activity{border-block:1px solid var(--line);padding:26px 0;margin:32px 0}.study-activity h3{margin-top:8px}.study-activity summary,.study-review summary{cursor:pointer;color:var(--c);font-size:14px;font-weight:500}.study-activity details p{margin-top:16px;font-size:14px}.study-chart{margin:32px 0;padding:24px;background:var(--bg)}.study-chart-row{display:grid;grid-template-columns:150px minmax(0,1fr) 40px;align-items:center;gap:12px;margin:12px 0;font-size:13px}.study-chart meter{width:100%;height:24px;accent-color:var(--c)}.study-chart meter::-webkit-meter-bar{background:var(--line);border:0}.study-chart meter::-webkit-meter-optimum-value{background:var(--c)}.study-sources{font-size:13px;line-height:1.7;padding-left:20px}.study-sources li{margin:14px 0}
.study-deck{border:1px solid var(--line);margin:28px 0}.study-slide{background:var(--c);color:var(--white);padding:36px;min-height:320px;display:flex;flex-direction:column;justify-content:center}.study-slide[hidden]{display:none}.study-slide h2{color:var(--white);font-size:30px;margin:18px 0}.study-slide .kick{color:var(--white);opacity:.7}.study-slide p{font-size:18px;line-height:1.6}.study-slide>div{border-top:1px solid var(--white);padding-top:18px;font-size:14px}.study-slide-controls{display:grid;grid-template-columns:40px minmax(0,1fr) 40px;gap:14px;align-items:center;padding:16px}.study-slide-controls span{font-size:12px;text-align:center;color:var(--grey)}.study-slide-controls .btn{padding:6px;justify-content:center;border-radius:0}.study-chapter-nav{display:flex;flex-direction:column;gap:12px;border-top:1px solid var(--line);padding-top:24px;margin-top:36px;font-size:13px}.study-chapter-nav .current{color:var(--grey)}.study-review{padding:16px 0;border-bottom:1px solid var(--line)}.study-review p{font-size:14px}.study-reader~.row .btn,.study-layout+.row .btn{border-radius:0;white-space:normal;max-width:100%;text-align:left}.study-layout+.row{align-items:flex-start}.study-layout+.row form{max-width:100%}
@media(max-width:1100px){.study-layout{grid-template-columns:155px minmax(0,1fr);gap:20px}.study-reader{padding:28px}.study-intro{grid-template-columns:1fr}.study-pace{justify-self:start}}
@media(max-width:860px){.auth-art img.auth-logo{width:140px!important;height:131.6px!important}.study-layout{grid-template-columns:1fr}.study-rail{position:static;border-bottom:1px solid var(--line);padding-bottom:20px}.study-contents{display:none}.study-rail .study-caption{display:none}.study-back{margin-bottom:12px}.study-reader{padding:26px 22px}.study-reader h1{font-size:30px}.study-course-cover h1{font-size:30px}.study-table td{display:table-cell;padding:10px;border-bottom:1px solid var(--line)}.study-table td::before{display:none}.study-table tr{display:table-row}.study-table thead{display:table-header-group}.study-table table{min-width:480px}.study-terms>div{grid-template-columns:1fr;gap:6px}.study-chart-row{grid-template-columns:110px minmax(0,1fr) 35px}.study-slide{padding:26px;min-height:340px}.study-slide h2{font-size:26px}.study-reader p{overflow-wrap:anywhere}.top .crumb{max-width:55%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.study-diagram ol{grid-template-columns:1fr}}
@media print{.side,.top,.foot,.study-rail,.study-slide-controls,.study-chapter-nav,.study-layout+.row{display:none!important}.main{margin:0}.content{padding:0}.study-layout{display:block}.study-reader{max-width:none;padding:0}.study-slide[hidden]{display:block}.study-slide{break-inside:avoid;background:var(--white);color:var(--ink)}.study-slide h2,.study-slide .kick{color:var(--ink)}.study-figure{break-inside:avoid}}

.verification-page{min-height:100dvh;background:var(--bg);display:flex;flex-direction:column}.verification-header{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;padding:20px 32px;background:var(--white);border-bottom:1px solid var(--line)}.verification-header img{width:112px;height:105px;object-fit:contain;display:block}.verification-header>a:last-child{font-size:14px}.verification-main{width:100%;max-width:1080px;margin:0 auto;padding:36px 32px 48px;flex:1;min-width:0}.verification-main>h1{font-size:34px}.verification-form{display:grid;grid-template-columns:minmax(0,480px) auto;align-items:end;justify-content:start;gap:14px;margin:26px 0 32px}.verification-form .fl{min-width:0}.verification-form input{text-transform:uppercase}.verification-form .btn{height:48px;justify-content:center}.verification-status{display:flex;align-items:center;gap:10px;color:var(--ok);font-weight:600;font-size:14px;margin:0 0 16px}.verification-error{color:var(--c);border-left:3px solid var(--c);padding:14px 18px;background:var(--c-soft)}.verification-result .cert{margin:0;width:100%;min-height:660px;box-shadow:var(--sh)}.verification-result .cert h1{font-size:32px;overflow-wrap:anywhere}.verification-result .cert .who{max-width:100%;overflow-wrap:anywhere}.verification-footer{display:flex;justify-content:center;gap:24px;padding:24px;font-size:12px;border-top:1px solid var(--line)}.verification-footer a{color:var(--grey)}@media(max-width:600px){.verification-header{padding:16px 20px}.verification-header img{width:88px;height:83px}.verification-main{padding:28px 16px 36px}.verification-main>h1{font-size:28px}.verification-form{grid-template-columns:minmax(0,1fr) auto;gap:10px}.verification-form .btn{padding-inline:16px}.verification-result .cert{min-height:0;padding:38px 28px;aspect-ratio:auto;gap:12px}.verification-result .cert h1{font-size:25px}.verification-result .cert .who{font-size:27px;padding-inline:0}.verification-result .cert p{font-size:13px;line-height:1.75}.verification-result .cert .meta{font-size:11px;letter-spacing:0}.verification-result .cert .kick{font-size:10px}.verification-result .cert img{width:88px;height:83px}}

.cert.cert-academic{aspect-ratio:auto;min-height:700px;padding:46px 60px 40px;gap:0;background:var(--white)}.cert.cert-academic::after{border-color:var(--line)}.cert-academic .certificate-logo{width:92px;height:86px;margin-bottom:20px}.cert-academic .kick{letter-spacing:0;margin:0 0 20px}.cert-academic .certificate-intro{color:var(--grey);font-size:13px;margin:0}.cert-academic .who{font:500 40px/1.3 var(--serif);border:0;padding:10px 0 14px;max-width:100%}.cert.cert-academic h1{font-size:30px;line-height:1.3;max-width:720px;margin:12px 0 18px}.cert-academic .certificate-description{font-size:13px;color:var(--grey);line-height:1.8;max-width:620px}.certificate-endorsement{display:grid;grid-template-columns:minmax(0,1fr) 122px minmax(0,1fr);align-items:center;gap:24px;width:100%;margin:38px 0 22px}.certificate-seal{display:flex;justify-content:center}.cert.cert-academic .certificate-seal img{width:122px;height:122px;object-fit:contain}.certificate-date,.certificate-signatory{border-top:1px solid var(--line);padding-top:14px}.certificate-date span,.certificate-signatory span{font-size:11px;color:var(--grey);display:block;margin-top:6px}.certificate-date strong,.certificate-signatory strong{display:block;font:500 16px/1.5 var(--serif);color:var(--ink)}.cert-academic .meta{border-top:1px solid var(--line);width:100%;padding-top:20px;font-size:10px;letter-spacing:0;margin:0}.verification-result .cert.cert-academic h1{font-size:30px}@media(max-width:600px){.cert.cert-academic{padding:38px 28px;min-height:0}.cert-academic .who{font-size:30px}.cert.cert-academic h1,.verification-result .cert.cert-academic h1{font-size:25px}.certificate-endorsement{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px 16px;margin:26px 0}.certificate-seal{grid-column:1/-1;grid-row:1}.cert.cert-academic .certificate-seal img{width:108px;height:108px}.certificate-date,.certificate-signatory{align-self:start}.certificate-signatory strong,.certificate-date strong{font-size:15px}.cert-academic .kick{font-size:10px}.cert-academic .certificate-description{font-size:12px}}

/* Let an unpaired concept fill the row instead of exposing an empty grid cell. */
.study-diagram li:last-child:nth-child(odd){grid-column:1/-1}

/* Persistent course map and illustrated, interactive presentation studio. */
.study-layout{grid-template-columns:260px minmax(0,1fr);gap:28px}.study-rail{max-height:calc(100dvh - 108px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;padding-right:10px}.course-map{margin-bottom:24px}.course-map>details{border-bottom:1px solid var(--line);padding:12px 0}.course-map summary{cursor:pointer;font-size:13px;line-height:1.5;font-weight:600;color:var(--ink);list-style:none;display:flex;gap:8px;flex-direction:column}.course-map summary::before{content:"+";color:var(--c);float:right}.course-map details[open]>summary::before{content:"−"}.course-map a,.map-locked{display:flex;gap:12px;justify-content:space-between;font-size:12px;line-height:1.55;padding:11px 10px;border-left:2px solid var(--line);margin-top:5px;color:var(--grey)}.course-map a span,.map-locked span{min-width:0;overflow-wrap:anywhere}.course-map a.current{border-left-color:var(--c);background:var(--c-soft);color:var(--c);font-weight:600}.course-map a:hover{color:var(--c);border-left-color:var(--c)}.course-map small{flex-shrink:0;font-size:10px}.map-state{font-size:10px;font-weight:400;color:var(--grey)}.map-locked{opacity:.65}.course-map .map-exam{margin-top:18px;color:var(--c)}.study-contents{padding-top:20px;border-top:1px solid var(--line)}.study-reader{padding:32px;max-width:none}.study-reader>.row{justify-content:space-between;align-items:flex-start;margin-top:36px;border-top:1px solid var(--line);padding-top:24px}.study-reader>.row>*{max-width:100%}.study-reader .btn{white-space:normal;line-height:1.5;text-align:left;justify-content:center;max-width:100%}.checkpoint-success{padding:32px 0;border-block:1px solid var(--line)}.checkpoint-success>p:not(.kick){font:500 32px var(--serif);color:var(--ok)}
.study-deck{margin-inline:-32px;border:0;border-block:1px solid var(--line);background:var(--white)}.study-slide{padding:0;background:var(--white);color:var(--ink2);display:grid;grid-template-columns:1fr;min-height:0;animation:slide-reveal .4s ease both}.study-slide[hidden]{display:none}.slide-visual{margin:0;position:relative;background:var(--bg);overflow:hidden;aspect-ratio:3/2}.slide-visual img{width:100%;height:100%;object-fit:contain;display:block;animation:visual-reveal .65s ease both}.slide-visual figcaption{position:absolute;bottom:10px;left:16px;font-size:10px;padding:4px 8px;background:var(--white);color:var(--grey)}.slide-editorial{padding:28px 32px}.study-slide h2{color:var(--ink);font-size:30px;line-height:1.25;margin:14px 0 20px}.study-slide .kick{color:var(--c);opacity:1}.study-slide .slide-concept{font-size:18px;color:var(--ink2);line-height:1.7}.study-slide>.slide-editorial{border:0;font-size:16px}.slide-application{border-top:1px solid var(--line);margin-top:22px;padding-top:18px}.slide-application summary{cursor:pointer;color:var(--c);font-weight:600;font-size:13px;list-style:none;display:flex;justify-content:space-between;gap:16px}.slide-application p{font-size:15px!important;line-height:1.8!important;margin:20px 0 0!important}.slide-connections{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:24px}.slide-connections details{border-top:2px solid var(--c);padding:12px 0}.slide-connections summary{font-size:12px;font-weight:600;color:var(--c);cursor:pointer}.slide-connections p{font-size:13px;line-height:1.6;margin:12px 0 0}.study-slide-controls{grid-template-columns:40px minmax(0,1fr) 40px 40px;padding:16px 24px;background:var(--bg)}.study-slide-controls .btn{width:40px;height:40px;font-size:20px}.deck-track progress{display:block;width:100%;height:3px;border:0;appearance:none;accent-color:var(--c)}.deck-track progress::-webkit-progress-bar{background:var(--line)}.deck-track progress::-webkit-progress-value{background:var(--c);transition:width .3s}.deck-expanded{position:fixed;inset:68px 0 0 264px;z-index:25;overflow:auto;margin:0;display:flex;flex-direction:column}.deck-expanded .study-slide{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-items:center;flex:1}.deck-expanded .slide-visual{aspect-ratio:3/2}.deck-expanded .slide-editorial{padding:36px}.deck-expanded .study-slide-controls{position:sticky;bottom:3px;margin-top:auto}.deck-open{overflow:hidden}.study-reader:has(.study-deck)>header{margin-bottom:0}.study-reader:has(.study-deck){padding-top:24px}.study-reader:has(.study-deck)>header h1{font-size:28px}.study-reader:has(.study-deck)>header .study-lead{font-size:15px}
@keyframes slide-reveal{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes visual-reveal{from{opacity:.6;transform:scale(1.025)}to{opacity:1;transform:scale(1)}}
@media(min-width:1500px){.content:has(.study-layout){max-width:1560px}.study-layout{grid-template-columns:280px minmax(0,1fr)}.study-slide{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center}}
@media(max-width:1100px){.study-layout{grid-template-columns:230px minmax(0,1fr);gap:20px}.study-reader{padding:24px}.study-deck{margin-inline:-24px}.slide-editorial{padding:24px}.slide-connections{grid-template-columns:1fr}.deck-expanded .study-slide{grid-template-columns:1fr}.deck-expanded .slide-visual{max-height:45dvh}}
@media(max-width:860px){.study-layout{grid-template-columns:1fr}.study-rail{position:sticky;top:68px;background:var(--bg);z-index:15;max-height:32dvh;border-bottom:1px solid var(--line);padding:10px 4px}.study-rail .study-back{margin:0 0 6px}.course-map{margin:0}.course-map>.kick{margin-bottom:0}.course-map>details{padding:6px 0}.course-map summary{font-size:12px}.course-map .map-exam{margin-top:6px}.course-map details:not([open]){display:none}.study-rail:hover .course-map details,.study-rail:focus-within .course-map details{display:block}.study-rail .study-contents{display:none}.study-reader{padding:22px 20px}.study-deck{margin-inline:-20px}.study-slide h2{font-size:25px}.slide-editorial{padding:24px 20px}.slide-connections{grid-template-columns:1fr}.study-slide-controls{padding:12px;gap:8px}.deck-expanded{left:0}.deck-expanded .slide-editorial{padding:24px}.deck-expanded .slide-visual{max-height:none}.study-reader>.row{gap:16px}}
@media(prefers-reduced-motion:reduce){.study-slide,.slide-visual img{animation:none}.deck-track progress::-webkit-progress-value{transition:none}}
@media(max-width:860px){.study-rail{max-height:180px}.course-map details:not([open]){display:block}.course-map{display:grid;grid-template-columns:1fr;gap:0}.study-reader:has(.study-deck)>header{padding-bottom:18px}.study-reader:has(.study-deck)>header h1{font-size:22px}.study-reader:has(.study-deck)>header .study-lead{font-size:14px;margin-bottom:0}.study-reader:has(.study-deck)>header .kick{font-size:10px}.study-reader:has(.study-deck) .study-deck{margin-top:18px}.study-rail .study-back{font-size:11px}.course-map summary{line-height:1.4}.deck-expanded .slide-visual{aspect-ratio:3/2}}

.cert.cert-academic .certificate-signatory.has-handwriting{border-top:0;padding-top:0}.cert.cert-academic .certificate-handwriting{display:block;width:170px;max-width:100%;height:auto;aspect-ratio:1807/596;object-fit:contain;margin:0 auto 10px}.certificate-signatory.has-handwriting strong{border-top:1px solid var(--line);padding-top:14px}@media(max-width:600px){.cert.cert-academic .certificate-handwriting{width:130px;margin-bottom:8px}}
/* Social Media Management Lab — simulated agency workspace */
.smm-lab{margin:28px 0;display:grid;gap:22px}
.lab-status{position:sticky;top:8px;z-index:5;justify-self:end;background:var(--ink);color:var(--white);font-size:12px;padding:6px 12px;border-radius:999px;box-shadow:var(--sh)}.lab-status.ok{background:var(--ok)}
.lab-brief{background:linear-gradient(135deg,var(--ink) 0%,#2a0710 100%);color:#f3eded;padding:26px 28px;border-radius:var(--r);border-left:4px solid var(--c)}.lab-brief h4{font:500 22px/1.25 var(--serif);color:var(--white);margin:4px 0 8px}.lab-brief .kick{color:var(--gold)}
.lab-disclaimer{font-size:12px;color:var(--grey);margin:10px 0 0}.lab-brief .lab-disclaimer{color:#cdb9bd}
.lab-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:24px 26px;box-shadow:var(--sh);animation:lab-in .5s ease both;animation-delay:var(--d,0ms)}
@keyframes lab-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.lab-panel{animation:none}}
.lab-panel h3{font-size:22px;margin:2px 0 6px}.lab-intro{color:var(--grey);margin:0 0 16px}
.lab-field{display:flex;flex-direction:column;gap:6px;margin:0 0 14px;font-size:13px;font-weight:600;color:var(--ink)}.lab-field small{font-weight:400;color:var(--grey)}
.lab-field input,.lab-field select,.lab-field textarea,.inbox-msg select,.inbox-msg textarea,.lab-table input{font:inherit;font-weight:400;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);width:100%}
.lab-field input:focus,.lab-field select:focus,.lab-field textarea:focus{outline:2px solid var(--c);outline-offset:1px;background:var(--white)}
.lab-field input[type=range]{padding:0;accent-color:var(--c);background:none}
.lab-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0 16px}
.lab-cards,.lab-influencers,.lab-ideas,.lab-hashtags,.lab-compare,.lab-portfolio{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:8px 0 14px}
.lab-card{border:1px solid var(--line);border-radius:12px;padding:16px;background:var(--bg);transition:transform .2s,box-shadow .2s}.lab-card:hover{transform:translateY(-2px);box-shadow:var(--sh)}.lab-card h4{font:500 17px/1.3 var(--serif);margin:0 0 8px;color:var(--ink)}.lab-card p{margin:4px 0;font-size:14px}.lab-card small{color:var(--grey);display:block}
.lab-checks{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}.lab-checks label{border:1px solid var(--line);border-radius:999px;padding:7px 14px;cursor:pointer;font-size:14px}.lab-checks label:has(input:checked){background:var(--c);border-color:var(--c);color:var(--white)}.lab-checks input{accent-color:var(--white)}
.lab-fit{display:grid;gap:8px}.lab-fit-item{border-left:3px solid var(--c);background:var(--c-soft);padding:10px 14px;border-radius:0 10px 10px 0}.lab-fit-item p{margin:2px 0 0;font-size:14px}
.lab-warn{color:var(--warn);font-weight:600}
.lab-output{background:var(--c-soft);border-left:3px solid var(--c);padding:14px 18px;margin:6px 0 16px;font-family:var(--serif);font-size:17px;color:var(--ink);border-radius:0 10px 10px 0}
.lab-table{width:100%;border-collapse:collapse;margin:0 0 12px;font-size:14px}.lab-table th,.lab-table td{border-bottom:1px solid var(--line);padding:8px;text-align:left}.lab-table input{max-width:90px}
.lab-bars{display:grid;gap:8px;margin:8px 0 16px}.lab-bar{display:grid;grid-template-columns:minmax(120px,180px) 1fr 60px;gap:12px;align-items:center;font-size:14px}.lab-bar meter{width:100%;height:12px}.lab-bar meter::-webkit-meter-optimum-value{background:var(--c)}.lab-bar meter::-moz-meter-bar{background:var(--c)}
.lab-studio{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:24px;align-items:start}
@media (max-width:900px){.lab-studio{grid-template-columns:1fr}}
.lab-label{font-size:13px;font-weight:600;color:var(--ink);margin:0 0 6px}
.lab-library{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:0 0 14px}.lab-library label{cursor:pointer;border-radius:10px;overflow:hidden;border:2px solid transparent}.lab-library label:has(input:checked){border-color:var(--c)}.lab-library input{position:absolute;opacity:0}.lab-library img{display:block;aspect-ratio:4/3;object-fit:cover;width:100%}
.lab-library label:has(input:focus-visible){outline:2px solid var(--c)}
.lab-mock{position:sticky;top:48px;background:var(--white);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 20px 40px -24px rgba(10,10,10,.35)}
.mock-top{display:flex;gap:10px;align-items:center;padding:12px 14px}.mock-top strong{display:block;font-size:14px;color:var(--ink)}.mock-top small{color:var(--grey);font-size:11px}
.mock-avatar{width:34px;height:34px;border-radius:50%;background:var(--c);color:var(--white);display:grid;place-items:center;font-weight:700}
.mock-badge{margin-left:auto;font-size:10px;text-transform:uppercase;letter-spacing:.12em;background:var(--bg);color:var(--grey);padding:4px 8px;border-radius:999px}
.mock-media{position:relative;aspect-ratio:1;background:linear-gradient(160deg,var(--ink),var(--c));display:grid;place-items:center;overflow:hidden}
.lab-mock[data-platform=TikTok] .mock-media,.lab-mock[data-platform=Pinterest] .mock-media{aspect-ratio:9/14}.lab-mock[data-platform=YouTube] .mock-media,.lab-mock[data-platform=LinkedIn] .mock-media,.lab-mock[data-platform=Facebook] .mock-media{aspect-ratio:16/10}
.mock-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.mock-media p{position:relative;margin:0 18px;padding:10px 14px;background:rgba(10,10,10,.6);color:var(--white);font:500 18px/1.3 var(--serif);text-align:center;border-radius:8px}
.mock-caption,.mock-tags,.mock-cta,.mock-meter{margin:0;padding:6px 14px;font-size:14px;white-space:pre-wrap}.mock-tags{color:var(--c)}.mock-cta{font-weight:600;color:var(--ink)}.mock-meter{color:var(--grey);font-size:12px;padding-bottom:14px}
.lab-checklist p{margin:3px 0;font-size:13px}.lab-checklist .ok,.inbox-feedback.ok{color:var(--ok)}.lab-checklist .todo{color:var(--grey)}.inbox-feedback.todo{color:var(--warn)}
.lab-actions{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 14px}
.lab-package{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.lab-progress{grid-column:1/-1;font-weight:600;color:var(--c);margin:0}.lab-piece{border:1px solid var(--line);border-radius:12px;padding:14px}.lab-piece small{color:var(--grey)}.lab-piece strong{display:block;color:var(--ink)}.lab-piece p{font-size:13px;margin:6px 0}
.lab-empty{color:var(--grey);font-style:italic;grid-column:1/-1}
.lab-tags{font-family:ui-monospace,monospace;color:var(--c)!important}
.heat-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:4px;margin:6px 0 10px}.heat-cell{aspect-ratio:1.4;border-radius:6px;background:rgba(137,12,37,var(--a));display:grid;place-items:center;transition:transform .2s}.heat-cell:hover{transform:scale(1.08)}.heat-cell i{font-style:normal;font-size:10px;color:var(--ink);mix-blend-mode:normal;background:rgba(255,255,255,.75);padding:0 3px;border-radius:3px}
@media (max-width:600px){.heat-grid{grid-template-columns:repeat(6,1fr)}}
.lab-calendar{display:grid;grid-template-columns:repeat(7,minmax(110px,1fr));gap:8px;overflow-x:auto;margin:0 0 16px}.cal-day{background:var(--bg);border-radius:10px;padding:8px;min-height:140px}.cal-day h5{margin:0 0 6px;font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--grey)}
.cal-post{background:var(--white);border-left:3px solid var(--c);border-radius:6px;padding:6px 8px;margin:0 0 6px;font-size:12px;cursor:grab;box-shadow:var(--sh)}.cal-post small,.cal-post em{display:block;color:var(--grey)}.cal-post strong{display:block;color:var(--ink)}.cal-move{display:flex;gap:4px;margin-top:4px}.cal-move button{border:1px solid var(--line);background:var(--white);border-radius:4px;cursor:pointer;font-size:11px;padding:1px 6px}
.lab-results{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:6px 0 16px}.lab-results .lab-bars{grid-column:1/-1}
.lab-stat{background:var(--ink);color:var(--white);border-radius:12px;padding:14px}.lab-stat small{display:block;color:#cbbfc1;font-size:12px}.lab-stat strong{font:500 24px/1.2 var(--serif)}.lab-stat em{display:block;font-size:11px;color:var(--gold);font-style:normal}
.lab-inbox{display:grid;gap:12px}.inbox-msg{border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:grid;gap:8px}.inbox-msg small{color:var(--grey)}.inbox-msg p{margin:0}