/* ============ MTE Blueprint Academy — brand system derived from the
   Academy reference sheets: navy header bands, royal blue accents,
   light-blue panels, Barlow Semi Condensed headline type. ============ */
:root{
  --navy:#0d1b4b;
  --navy-2:#122a66;
  --royal:#1d49d6;
  --royal-dark:#1436a8;
  --blue:#2563eb;
  --sky:#eef3fc;
  --sky-2:#e2eafc;
  --line:#c9d6f2;
  --ink:#16203a;
  --muted:#5a6785;
  --white:#ffffff;
  --green:#1a9c53;
  --amber:#e8a10c;
  --red:#d0342c;
  --shadow:0 2px 10px rgba(13,27,75,.10);
  --head:'Barlow Semi Condensed','Arial Narrow',Arial,sans-serif;
  --body:'Barlow',Arial,'Helvetica Neue',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:#f5f7fc;font-size:16px;line-height:1.55}

/* ---------- top bar ---------- */
#topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:14px;
  background:var(--navy);color:#fff;padding:10px 18px;box-shadow:var(--shadow)}
#navToggle{display:none;background:none;border:1px solid rgba(255,255,255,.35);color:#fff;
  font-size:20px;border-radius:6px;padding:2px 10px;cursor:pointer}
.brand{display:flex;align-items:center;gap:12px;cursor:pointer;min-width:0}
.brand-logo{height:34px;width:auto;background:#fff;border-radius:6px;padding:3px 8px}
.brand-text{display:flex;flex-direction:column;line-height:1.12;min-width:0}
.brand-line1{font-family:var(--head);font-weight:800;font-size:19px;letter-spacing:.06em;white-space:nowrap}
.brand-line2{font-size:11px;letter-spacing:.08em;color:#aebdf0;text-transform:uppercase;white-space:nowrap}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:16px}
.overall-progress{display:flex;align-items:center;gap:8px}
.op-bar{width:120px;height:8px;background:rgba(255,255,255,.22);border-radius:4px;overflow:hidden}
.op-fill{height:100%;width:0;background:linear-gradient(90deg,#4f7df9,#7fa4ff);transition:width .4s}
.op-label{font-family:var(--head);font-weight:700;font-size:14px}
.lang-toggle{display:flex;border:1px solid rgba(255,255,255,.4);border-radius:7px;overflow:hidden}
.lang-btn{background:transparent;color:#cdd8f7;border:none;font-family:var(--head);font-weight:700;
  font-size:14px;letter-spacing:.05em;padding:5px 12px;cursor:pointer}
.lang-btn.active{background:var(--royal);color:#fff}

/* ---------- layout ---------- */
#layout{display:flex;min-height:calc(100vh - 100px)}
#sidebar{width:305px;flex:0 0 305px;background:#fff;border-right:1px solid var(--line);
  padding:14px 0 40px;overflow-y:auto;max-height:calc(100vh - 56px);position:sticky;top:56px}
#main{flex:1;min-width:0;padding:26px 30px 70px;max-width:1020px;margin:0 auto}
#scrim{display:none}

/* ---------- sidebar nav ---------- */
.nav-home{display:block;width:calc(100% - 24px);margin:0 12px 10px;padding:9px 12px;border-radius:8px;
  font-family:var(--head);font-weight:700;font-size:15px;letter-spacing:.03em;color:var(--navy);
  background:var(--sky);border:1px solid var(--line);cursor:pointer;text-align:left}
.nav-home:hover{background:var(--sky-2)}
.nav-mod{margin:4px 0}
.nav-mod-head{display:flex;align-items:center;gap:9px;width:100%;padding:9px 14px;background:none;
  border:none;cursor:pointer;text-align:left}
.nav-mod-num{flex:0 0 26px;height:26px;border-radius:50%;background:var(--navy);color:#fff;
  font-family:var(--head);font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center}
.nav-mod-num.done{background:var(--green)}
.nav-mod-title{font-family:var(--head);font-weight:700;font-size:14.5px;color:var(--navy);line-height:1.2;flex:1}
.nav-mod-pct{font-size:11.5px;color:var(--muted);font-weight:600}
.nav-mod-bar{height:4px;background:var(--sky-2);border-radius:2px;margin:0 14px 2px 49px;overflow:hidden}
.nav-mod-fill{height:100%;background:var(--royal);border-radius:2px;transition:width .3s}
.nav-lessons{list-style:none;margin:2px 0 6px;display:none}
.nav-mod.open .nav-lessons{display:block}
.nav-lesson{display:flex;align-items:center;gap:8px;width:100%;padding:6px 14px 6px 30px;border:none;
  background:none;cursor:pointer;text-align:left;font-family:var(--body);font-size:13.5px;color:var(--ink)}
.nav-lesson:hover{background:var(--sky)}
.nav-lesson.current{background:var(--sky-2);border-right:3px solid var(--royal);font-weight:600}
.nav-dot{flex:0 0 16px;height:16px;border-radius:50%;border:2px solid var(--line);display:flex;
  align-items:center;justify-content:center;font-size:10px;color:#fff}
.nav-dot.s1{border-color:var(--amber);background:var(--amber)}
.nav-dot.s2{border-color:var(--green);background:var(--green)}
.nav-cert{margin:14px 12px 0;padding:10px 12px;width:calc(100% - 24px);border-radius:8px;text-align:left;
  font-family:var(--head);font-weight:700;font-size:14px;letter-spacing:.03em;cursor:pointer;
  border:1.5px dashed var(--line);background:#fff;color:var(--muted)}
.nav-cert.ready{border-style:solid;border-color:var(--green);color:var(--green)}

/* ---------- generic cards / typography ---------- */
.crumb{font-size:13px;color:var(--muted);margin-bottom:10px}
.crumb a{color:var(--royal);text-decoration:none;cursor:pointer}
h1.page-title{font-family:var(--head);font-weight:800;font-size:34px;line-height:1.08;color:var(--navy);
  text-transform:uppercase;letter-spacing:.01em;margin-bottom:4px}
.page-sub{font-family:var(--head);font-weight:700;font-size:18px;color:var(--royal);margin-bottom:14px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--sky);border:1px solid var(--line);
  color:var(--navy-2);font-size:12.5px;font-weight:600;padding:4px 11px;border-radius:14px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);
  padding:22px 24px;margin-bottom:20px}
.card h2{font-family:var(--head);font-weight:800;font-size:20px;color:var(--navy);text-transform:uppercase;
  letter-spacing:.03em;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.card h2 .sec-ic{flex:0 0 30px;height:30px;border-radius:8px;background:var(--royal);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px}
.card h3{font-family:var(--head);font-weight:700;font-size:16.5px;color:var(--royal-dark);margin:16px 0 6px}
.card p{margin:8px 0;color:var(--ink)}
.card ul,.card ol{margin:8px 0 8px 22px}
.card li{margin:4px 0}
.lead{font-size:17px;color:var(--navy-2)}
.divider-title{display:flex;align-items:center;gap:14px;margin:26px 0 14px;
  font-family:var(--head);font-weight:800;font-size:17px;color:var(--royal);text-transform:uppercase;letter-spacing:.05em}
.divider-title::before,.divider-title::after{content:"";flex:1;height:2px;background:var(--royal)}

/* ---------- home ---------- */
.hero{background:linear-gradient(120deg,var(--navy) 0%,var(--navy-2) 70%,var(--royal-dark) 100%);
  border-radius:14px;color:#fff;padding:34px 34px 30px;margin-bottom:24px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.05)}
.hero h1{font-family:var(--head);font-weight:800;font-size:40px;line-height:1.05;text-transform:uppercase;margin-bottom:8px}
.hero .hero-sub{font-family:var(--head);font-weight:600;font-size:19px;color:#9db4f5;margin-bottom:14px}
.hero p{max-width:640px;color:#dbe4fb;font-size:15.5px}
.hero .hero-cta{margin-top:20px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--head);font-weight:700;font-size:15px;
  letter-spacing:.04em;text-transform:uppercase;border-radius:9px;padding:10px 20px;cursor:pointer;border:none}
.btn-primary{background:var(--royal);color:#fff}
.btn-primary:hover{background:var(--blue)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{border-color:#fff}
.btn-light{background:var(--sky);color:var(--navy);border:1px solid var(--line)}
.btn-light:hover{background:var(--sky-2)}
.btn-green{background:var(--green);color:#fff}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.mod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(295px,1fr));gap:18px}
.mod-card{background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow);
  padding:0;overflow:hidden;cursor:pointer;transition:transform .15s, box-shadow .15s;display:flex;flex-direction:column}
.mod-card:hover{transform:translateY(-3px);box-shadow:0 6px 18px rgba(13,27,75,.16)}
.mod-card-head{background:var(--navy);color:#fff;padding:13px 18px;display:flex;align-items:center;gap:12px}
.mod-card-head .m-num{font-family:var(--head);font-weight:800;font-size:26px;color:#7fa4ff}
.mod-card-head .m-title{font-family:var(--head);font-weight:700;font-size:16.5px;line-height:1.15;text-transform:uppercase;letter-spacing:.02em}
.mod-card-body{padding:14px 18px 18px;flex:1;display:flex;flex-direction:column}
.mod-card-body p{font-size:13.8px;color:var(--muted);flex:1}
.mod-meta{display:flex;justify-content:space-between;align-items:center;margin-top:12px;font-size:12.5px;color:var(--muted)}
.mod-bar{height:7px;background:var(--sky-2);border-radius:4px;overflow:hidden;margin-top:7px}
.mod-fill{height:100%;background:var(--royal);transition:width .4s}
.mod-fill.done{background:var(--green)}

/* trainer panel */
.trainer{border-left:5px solid var(--royal)}
.trainer textarea, .trainer input[type=text]{width:100%;border:1px solid var(--line);border-radius:8px;
  font-family:monospace;font-size:12.5px;padding:9px;margin-top:8px;background:var(--sky)}
.code-out{font-family:monospace;font-size:12px;word-break:break-all;background:var(--sky);border:1px dashed var(--line);
  border-radius:8px;padding:10px;margin-top:10px;display:none}
.progress-report{margin-top:12px;display:none}
.pr-mod{margin:10px 0 4px;font-family:var(--head);font-weight:700;color:var(--navy)}
.pr-row{display:flex;justify-content:space-between;font-size:13.5px;padding:3px 0;border-bottom:1px dashed var(--sky-2)}
.pr-status{font-weight:700}
.pr-status.s0{color:var(--muted)} .pr-status.s1{color:var(--amber)} .pr-status.s2{color:var(--green)}

/* ---------- lesson body ---------- */
.objectives li{margin:5px 0}
.takeaway-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px;margin-top:6px}
.takeaway{background:var(--sky);border:1px solid var(--line);border-radius:9px;padding:10px 13px;
  font-size:14px;font-weight:500;color:var(--navy-2);display:flex;gap:9px;align-items:flex-start}
.takeaway::before{content:"\2713";color:var(--royal);font-weight:800}

/* resources */
.res-card{border:1px solid var(--line);border-radius:11px;overflow:hidden;margin:14px 0;background:#fff}
.res-head{display:flex;align-items:center;gap:12px;background:var(--sky);padding:11px 16px;cursor:pointer}
.res-code{font-family:var(--head);font-weight:800;font-size:13.5px;background:var(--royal);color:#fff;
  border-radius:6px;padding:3px 9px;letter-spacing:.04em;white-space:nowrap}
.res-title{font-family:var(--head);font-weight:700;font-size:15.5px;color:var(--navy);flex:1}
.res-caret{color:var(--muted);transition:transform .2s}
.res-card.open .res-caret{transform:rotate(180deg)}
.res-body{display:none;padding:16px 18px;border-top:1px solid var(--line)}
.res-card.open .res-body{display:block}
.res-img-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;margin:10px 0}
.res-img-wrap img{display:block;width:100%;max-width:100%;height:auto}
.res-toggle{margin:6px 0 2px}
.sheet{border:1px solid var(--line);border-radius:10px;overflow:hidden;margin:10px 0}
.sheet-head{background:var(--navy);color:#fff;padding:12px 18px}
.sheet-head .sh-tag{font-family:var(--head);font-weight:700;font-size:11.5px;letter-spacing:.1em;color:#8fa8ef}
.sheet-head .sh-title{font-family:var(--head);font-weight:800;font-size:21px;text-transform:uppercase;line-height:1.1}
.sheet-head .sh-sub{font-family:var(--head);font-weight:600;font-size:14px;color:#b9c8f5;margin-top:2px}
.sheet-body{padding:14px 18px;background:#fff}
.sheet-body h4{font-family:var(--head);font-weight:800;font-size:15px;color:var(--royal);text-transform:uppercase;
  letter-spacing:.05em;margin:14px 0 6px;display:flex;align-items:center;gap:10px}
.sheet-body h4::after{content:"";flex:1;height:1.5px;background:var(--line)}
.sheet-body h5{font-family:var(--head);font-weight:700;font-size:14.5px;color:var(--navy);margin:10px 0 3px}
.sheet-body p{font-size:14.5px;margin:6px 0}
.sheet-body ul{margin:5px 0 5px 20px}
.sheet-body li{font-size:14.2px;margin:3px 0}
.sheet-body table{width:100%;border-collapse:collapse;font-size:13.5px;margin:10px 0}
.sheet-body th{background:var(--navy);color:#fff;font-family:var(--head);font-weight:700;text-align:left;
  padding:7px 10px;font-size:13px;letter-spacing:.03em}
.sheet-body td{border:1px solid var(--line);padding:7px 10px;vertical-align:top}
.sheet-body tr:nth-child(even) td{background:var(--sky)}
.table-scroll{overflow-x:auto}
.step-row{display:flex;gap:10px;margin:8px 0;align-items:flex-start}
.step-n{flex:0 0 28px;height:28px;border-radius:50%;background:var(--royal);color:#fff;font-family:var(--head);
  font-weight:800;display:flex;align-items:center;justify-content:center;font-size:14px}
.step-t b{display:block;font-family:var(--head);font-size:15px;color:var(--navy)}
.step-t span{font-size:13.8px;color:var(--muted)}
.callout{background:var(--sky);border-left:4px solid var(--royal);border-radius:0 9px 9px 0;
  padding:12px 16px;margin:12px 0;font-size:14.5px}
.callout.navy{background:var(--navy);border-color:var(--royal);color:#fff}
.callout.navy b{color:#9db4f5}

/* workbook / notes */
.notes textarea{width:100%;min-height:64px;border:1px solid var(--line);border-radius:8px;padding:10px;
  font-family:var(--body);font-size:14px;margin:4px 0 12px;background:#fffef7;resize:vertical}
.note-q{font-weight:600;color:var(--navy-2);font-size:14.5px}
.saved-flash{color:var(--green);font-size:12.5px;margin-left:8px;opacity:0;transition:opacity .3s}
.saved-flash.show{opacity:1}

/* quiz */
.quiz-q{margin:16px 0 6px;font-weight:600;font-size:15.5px;color:var(--navy-2)}
.quiz-opts{list-style:none;margin:6px 0}
.quiz-opt{border:1.5px solid var(--line);border-radius:9px;padding:9px 14px;margin:6px 0;cursor:pointer;
  font-size:14.5px;transition:all .12s;background:#fff}
.quiz-opt:hover{border-color:var(--royal);background:var(--sky)}
.quiz-opt.sel{border-color:var(--royal);background:var(--sky-2);font-weight:600}
.quiz-opt.correct{border-color:var(--green);background:#e8f7ee;font-weight:600}
.quiz-opt.wrong{border-color:var(--red);background:#fdecea}
.quiz-exp{display:none;font-size:13.5px;color:var(--muted);background:var(--sky);border-radius:8px;padding:9px 13px;margin:4px 0 8px}
.quiz-exp.show{display:block}
.quiz-result{font-family:var(--head);font-weight:800;font-size:19px;margin-top:14px;display:none}
.quiz-result.pass{color:var(--green);display:block}
.quiz-result.fail{color:var(--amber);display:block}

/* interactive: HIPPO filter + scenario + router */
.hippo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin:10px 0}
.hippo-tile{border:1.5px solid var(--line);border-radius:11px;padding:14px;text-align:center;cursor:pointer;background:#fff;transition:all .15s}
.hippo-tile:hover{border-color:var(--royal);transform:translateY(-2px)}
.hippo-tile .h-letter{font-family:var(--head);font-weight:800;font-size:34px;color:var(--royal)}
.hippo-tile .h-word{font-family:var(--head);font-weight:700;font-size:16px;color:var(--navy);text-transform:uppercase}
.hippo-tile .h-gloss{font-size:12.5px;color:var(--muted)}
.hippo-detail{display:none;background:var(--sky);border:1px solid var(--line);border-radius:11px;padding:16px 18px;margin-top:10px}
.hippo-detail.show{display:block}
.filter-check{display:flex;align-items:flex-start;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);cursor:pointer}
.filter-check input{margin-top:4px;accent-color:var(--royal);width:17px;height:17px}
.scenario{border:1px solid var(--line);border-radius:11px;padding:16px 18px;margin:12px 0;background:#fff}
.scenario-title{font-family:var(--head);font-weight:800;font-size:16px;color:var(--navy);text-transform:uppercase;margin-bottom:6px}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 4px}
.pill{border:1.5px solid var(--line);border-radius:16px;padding:5px 14px;cursor:pointer;font-size:13.5px;font-weight:600;background:#fff}
.pill:hover{border-color:var(--royal)}
.pill.sel{background:var(--royal);border-color:var(--royal);color:#fff}
.pill.good{background:var(--green);border-color:var(--green);color:#fff}
.pill.bad{background:var(--red);border-color:var(--red);color:#fff}
.scenario-fb{display:none;font-size:13.8px;background:var(--sky);border-radius:8px;padding:10px 13px;margin-top:8px}
.scenario-fb.show{display:block}
.router-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px;margin:12px 0}
.router-btn{border:1.5px solid var(--line);border-radius:10px;background:#fff;padding:11px 14px;font-size:14px;
  font-weight:600;color:var(--navy-2);cursor:pointer;text-align:left}
.router-btn:hover{border-color:var(--royal);background:var(--sky)}
.router-btn.sel{border-color:var(--royal);background:var(--sky-2)}
.router-answer{display:none;background:var(--navy);color:#fff;border-radius:11px;padding:16px 20px;margin-top:10px}
.router-answer.show{display:block}
.router-answer .ra-owner{font-family:var(--head);font-weight:800;font-size:20px;color:#9db4f5;text-transform:uppercase}
.router-answer p{color:#dbe4fb;font-size:14px;margin-top:5px}

/* org chart */
.org{display:flex;flex-direction:column;gap:14px;margin:14px 0}
.org-tier{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.org-box{background:#fff;border:1.5px solid var(--line);border-radius:10px;padding:10px 16px;text-align:center;min-width:170px}
.org-box.lead{background:var(--navy);border-color:var(--navy)}
.org-box.lead .org-name{color:#fff}
.org-box.lead .org-role{color:#9db4f5}
.org-name{font-family:var(--head);font-weight:800;font-size:15.5px;color:var(--navy)}
.org-role{font-size:12.5px;color:var(--muted)}
.org-group{border:1px dashed var(--line);border-radius:12px;padding:12px;flex:1;min-width:210px}
.org-group-title{font-family:var(--head);font-weight:800;font-size:13px;color:var(--royal);text-transform:uppercase;
  letter-spacing:.06em;text-align:center;margin-bottom:8px}
.org-group .org-box{margin:6px auto}

/* certification checklist */
.cert-check{display:flex;align-items:flex-start;gap:11px;padding:10px 0;border-bottom:1px dashed var(--line);cursor:pointer;font-size:15px}
.cert-check input{margin-top:4px;width:18px;height:18px;accent-color:var(--green)}

/* lesson footer nav */
.lesson-nav{display:flex;justify-content:space-between;gap:12px;margin-top:26px;flex-wrap:wrap}
.complete-box{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:16px 20px;margin-top:24px;box-shadow:var(--shadow);flex-wrap:wrap}
.complete-box .cb-text{flex:1;min-width:200px;font-size:14.5px;color:var(--muted)}
.status-tag{font-family:var(--head);font-weight:700;font-size:13px;border-radius:14px;padding:4px 13px;letter-spacing:.03em}
.status-tag.s0{background:var(--sky);color:var(--muted)}
.status-tag.s1{background:#fdf3dc;color:#9a6c00}
.status-tag.s2{background:#e8f7ee;color:var(--green)}

/* certificate */
.certificate{background:#fff;border:10px solid var(--navy);border-radius:6px;padding:46px 40px;text-align:center;position:relative}
.certificate .c-inner{border:2px solid var(--royal);border-radius:4px;padding:34px 26px}
.certificate .c-academy{font-family:var(--head);font-weight:800;font-size:16px;letter-spacing:.25em;color:var(--royal);text-transform:uppercase}
.certificate .c-title{font-family:var(--head);font-weight:800;font-size:42px;color:var(--navy);text-transform:uppercase;margin:10px 0 2px}
.certificate .c-name-input{font-family:var(--head);font-weight:700;font-size:28px;color:var(--navy-2);border:none;
  border-bottom:2px solid var(--line);text-align:center;width:80%;margin:18px 0 6px;background:transparent;padding:4px}
.certificate .c-text{color:var(--muted);font-size:15px;max-width:520px;margin:8px auto}
.certificate .c-mods{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:18px 0}
.certificate .c-mod{background:var(--sky);border:1px solid var(--line);border-radius:8px;padding:6px 12px;
  font-family:var(--head);font-weight:700;font-size:12.5px;color:var(--navy)}
.certificate .c-date{margin-top:16px;font-size:14px;color:var(--muted)}
.certificate .c-motto{margin-top:20px;font-family:var(--head);font-weight:800;font-size:15px;color:var(--royal);
  text-transform:uppercase;letter-spacing:.08em}

/* footer */
#sitefooter{background:var(--navy);color:#fff;text-align:center;padding:14px}
.foot-motto{font-family:var(--head);font-weight:700;font-size:14.5px;letter-spacing:.1em;text-transform:uppercase}
.foot-motto .mte-way{color:#7fa4ff}

/* print */
@media print{
  #topbar,#sidebar,#sitefooter,.lesson-nav,.complete-box,.btn{display:none !important}
  #main{padding:0;max-width:100%}
  body{background:#fff}
}

/* ---------- responsive ---------- */
@media (max-width:960px){
  #navToggle{display:block}
  #sidebar{position:fixed;left:-320px;top:56px;bottom:0;z-index:60;transition:left .25s;max-height:none;box-shadow:6px 0 20px rgba(0,0,0,.15)}
  #sidebar.open{left:0}
  #scrim.show{display:block;position:fixed;inset:56px 0 0 0;background:rgba(13,27,75,.4);z-index:55}
  #main{padding:18px 14px 60px}
  .brand-line2{display:none}
  .overall-progress .op-bar{width:70px}
  .hero h1{font-size:30px}
  h1.page-title{font-size:27px}
}
@media (max-width:560px){
  .brand-line1{font-size:15px}
  .brand-logo{height:26px}
  .overall-progress{display:none}
}
/* ---- lesson video ---- */
.video-card .video-hint { margin: 0 0 12px; color: var(--muted, #5a6b85); font-size: 0.92rem; }
.lesson-video { width: 100%; max-height: 480px; border-radius: 10px; background: #0b1f3a; display: block; outline: none; }