:root{
      /* App-like design tokens */
      --bg:#f7f8fa;
      --surface:#ffffff;
      --surface-soft:#f4f6f8;
      --surface-tint:#f1f8f5;
      --text:#17212b;
      --muted:#5b6774;
      --line:#e4e8ec;
      --line-strong:#d6dce2;

      --primary:#257a59;
      --primary-hover:#1d6247;
      --primary-soft:#eaf7f2;
      --primary-line:#cce9dd;

      --blue:#3a5fc4;
      --blue-soft:#eef3ff;
      --amber:#8f5a0c;
      --amber-soft:#fff7e8;

      --danger:#c44949;
      --danger-soft:#fff1f1;

      --shadow:0 1px 2px rgba(16,24,40,.04),0 10px 30px rgba(16,24,40,.06);
      --shadow-soft:0 1px 2px rgba(16,24,40,.04);

      --r-xs:8px;
      --r-sm:10px;
      --r-md:14px;
      --r-lg:18px;
      --r-xl:24px;

      --max:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:80px}
    body{
      margin:0;
      background:var(--bg);
      color:var(--text);
      font-family:"Heebo", "Segoe UI", Arial, sans-serif;
      line-height:1.55;
      -webkit-font-smoothing:antialiased;
    }

    a{color:inherit;text-decoration:none}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    svg{display:block}
    .container{width:min(var(--max),calc(100% - 36px));margin-inline:auto}

    /* topbar */
    .topbar{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.94);
      backdrop-filter:blur(12px);
      border-bottom:1px solid var(--line);
    }

    .nav{
      min-height:68px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }

    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      letter-spacing:-.02em;
    }

    .brand-logo{
      width:38px;
      height:38px;
      display:grid;
      place-items:center;
      flex:0 0 auto;
    }

    .brand-logo svg{
      width:100%;
      height:100%;
      display:block;
    }

    .brand-copy{
      display:flex;
      flex-direction:column;
      line-height:1.05;
    }

    .brand-copy strong{
      font-size:1rem;
      letter-spacing:.02em;
    }

    .brand-copy small{
      margin-top:4px;
      color:var(--muted);
      font-size:.61rem;
      font-weight:650;
      letter-spacing:.02em;
    }

    .navlinks{
      display:flex;
      align-items:center;
      gap:24px;
      color:#53606d;
      font-size:.88rem;
      font-weight:600;
    }

    .navlinks a:hover{color:var(--text)}

    .nav-actions{
      display:flex;
      gap:9px;
      align-items:center;
    }

    .btn{
      min-height:42px;
      padding:0 16px;
      border-radius:10px;
      border:1px solid var(--line-strong);
      background:#fff;
      color:#33404d;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      font-weight:700;
      font-size:.88rem;
      transition:.16s ease;
    }

    .btn:hover{
      border-color:#c6cdd5;
      background:#fafbfc;
    }

    .btn-primary{
      border-color:var(--primary);
      background:var(--primary);
      color:#fff;
    }

    .btn-primary:hover{
      background:var(--primary-hover);
      border-color:var(--primary-hover);
    }

    /* hero */
    .hero{
      padding:72px 0 62px;
    }

    .hero-grid{
      display:grid;
      grid-template-columns:.8fr 1.25fr;
      gap:40px;
      align-items:center;
    }

    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border-radius:999px;
      background:var(--primary-soft);
      border:1px solid var(--primary-line);
      color:var(--primary);
      font-size:.78rem;
      font-weight:800;
    }

    .badge-dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--primary);
    }

    h1{
      margin:18px 0 18px;
      font-family:inherit;
      font-size:clamp(2.8rem,5.4vw,5.1rem);
      line-height:1.02;
      letter-spacing:-.035em;
      font-weight:700;
    }

    h1 span{color:var(--primary)}

    .hero-text{
      margin:0;
      max-width:650px;
      font-size:1rem;
      color:var(--muted);
    }

    .hero-actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:26px;
    }

    .hero-points{
      display:flex;
      gap:18px;
      flex-wrap:wrap;
      margin-top:24px;
      color:var(--muted);
      font-size:.82rem;
      font-weight:600;
    }

    .hero-points span{
      display:flex;
      gap:7px;
      align-items:center;
    }

    .tick{
      width:18px;
      height:18px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:var(--primary-soft);
      color:var(--primary);
      font-size:.68rem;
      font-weight:900;
    }

    /* realistic app mock */
    .app-frame{
      border:1px solid var(--line-strong);
      border-radius:20px;
      background:var(--surface);
      box-shadow:var(--shadow);
      overflow:hidden;
    }

    .app-titlebar{
      height:48px;
      padding:0 14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      border-bottom:1px solid var(--line);
      background:#fbfcfd;
    }

    .app-titlebar .left{
      display:flex;
      align-items:center;
      gap:8px;
      color:#7a8792;
      font-size:.73rem;
      font-weight:700;
    }

    .window-dots{display:flex;gap:5px}
    .window-dots i{width:8px;height:8px;border-radius:50%;background:#d7dce1}

    .app-body{
      display:grid;
      grid-template-columns:134px 1fr;
      min-height:420px;
    }

    .app-sidebar{
      padding:14px 10px;
      border-left:1px solid var(--line);
      background:#fbfcfd;
    }

    .app-mini-logo{
      display:flex;
      align-items:center;
      gap:7px;
      padding:7px 8px 15px;
      font-weight:800;
      font-size:.78rem;
    }

    .app-mini-logo i{
      width:24px;height:24px;border-radius:7px;background:var(--primary);
      display:grid;place-items:center;color:white;font-style:normal;font-size:.65rem;
    }

    .side-label{
      color:#99a3ad;
      font-size:.62rem;
      font-weight:800;
      padding:10px 8px 7px;
    }

    .side-item{
      display:flex;
      align-items:center;
      gap:7px;
      padding:8px;
      border-radius:8px;
      font-size:.69rem;
      font-weight:650;
      color:#687480;
      margin-bottom:3px;
    }

    .side-item.active{
      background:var(--primary-soft);
      color:var(--primary);
    }

    .side-icon{
      width:17px;height:17px;border-radius:5px;border:1px solid #d8dee4;
      display:grid;place-items:center;font-size:.55rem;background:#fff;
    }

    .side-item.active .side-icon{
      border-color:var(--primary-line);
      background:#fff;
    }

    .app-content{
      padding:18px;
      min-width:0;
    }

    .app-head{
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:flex-start;
      margin-bottom:16px;
    }

    .app-head h3{
      margin:0 0 4px;
      font-size:.97rem;
    }

    .app-head p{
      margin:0;
      color:#8b96a1;
      font-size:.68rem;
    }

    .status-chip{
      padding:5px 8px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary);
      border:1px solid var(--primary-line);
      font-size:.62rem;
      font-weight:800;
      white-space:nowrap;
    }

    .question-card{
      border:1px solid var(--line);
      border-radius:12px;
      padding:14px;
      background:#fff;
      box-shadow:var(--shadow-soft);
      margin-bottom:12px;
    }

    .question-top{
      display:flex;
      justify-content:space-between;
      gap:10px;
      align-items:center;
      margin-bottom:11px;
    }

    .q-title{
      font-size:.73rem;
      font-weight:800;
    }

    .q-type{
      color:#7d8994;
      font-size:.6rem;
      background:var(--surface-soft);
      border:1px solid var(--line);
      padding:4px 7px;
      border-radius:6px;
    }

    .question-line{
      height:7px;
      border-radius:99px;
      background:#e9edf0;
      margin-bottom:8px;
    }
    .question-line.w1{width:82%}
    .question-line.w2{width:58%}

    .tool-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:8px;
      margin-top:13px;
    }

    .tool-mini{
      min-height:58px;
      border-radius:9px;
      border:1px solid var(--line);
      background:#fafbfc;
      padding:8px;
      display:flex;
      flex-direction:column;
      gap:5px;
    }

    .tool-mini b{font-size:.63rem}
    .tool-mini span{font-size:.55rem;color:#8e99a4}

    .tool-mini.selected{
      border-color:var(--primary-line);
      background:var(--primary-soft);
    }

    .activity-footer{
      margin-top:16px;
      border-top:1px solid var(--line);
      padding-top:12px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:8px;
    }

    .small-btn{
      padding:7px 10px;
      border-radius:8px;
      border:1px solid var(--line);
      font-size:.62rem;
      font-weight:800;
      background:#fff;
      color:#697581;
    }

    .small-btn.primary{
      color:#fff;
      background:var(--primary);
      border-color:var(--primary);
    }

    /* trust strip */
    .trust{
      padding:0 0 64px;
    }

    .trust-panel{
      border:1px solid var(--line);
      background:var(--surface);
      border-radius:18px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      overflow:hidden;
      box-shadow:0 4px 20px rgba(16,24,40,.04);
    }

    .trust-item{
      padding:20px 22px;
      border-left:1px solid var(--line);
      display:flex;
      align-items:center;
      gap:14px;
      transition:background-color .2s ease;
    }
    .trust-item:hover{
      background:#f8fafc;
    }
    .trust-item:last-child{border-left:none;}

    html[dir="rtl"] .trust-item{
      border-left:none;
      border-right:1px solid var(--line);
    }
    html[dir="rtl"] .trust-item:first-child{
      border-right:none;
    }

    .trust-icon-box{
      width:48px;
      height:48px;
      border-radius:12px;
      background:var(--primary-soft);
      border:1px solid var(--primary-line);
      color:var(--primary);
      display:grid;
      place-items:center;
      font-size:1.4rem;
      flex-shrink:0;
    }

    .trust-info{
      display:flex;
      flex-direction:column;
      gap:3px;
      min-width:0;
    }

    .trust-top-row{
      display:flex;
      align-items:center;
      gap:8px;
    }

    .trust-idx{
      font-size:.65rem;
      font-weight:800;
      color:var(--primary);
      background:var(--primary-soft);
      border:1px solid var(--primary-line);
      padding:1px 6px;
      border-radius:5px;
      line-height:1.2;
    }

    .trust-item strong{
      font-size:1.02rem;
      font-weight:800;
      color:var(--text);
      margin:0;
    }

    .trust-item span{
      color:#64748b;
      font-size:.78rem;
      line-height:1.4;
    }

    /* sections */
    .section{padding:78px 0}

    .section.alt{
      background:#fff;
      border-block:1px solid var(--line);
    }

    .section-head{
      max-width:760px;
      margin-bottom:34px;
    }

    .kicker{
      color:var(--primary);
      font-size:.78rem;
      font-weight:800;
      margin-bottom:8px;
    }

    h2{
      margin:0 0 12px;
      font-size:clamp(2rem,4vw,3.7rem);
      line-height:1.05;
      letter-spacing:-.045em;
      font-weight:800;
    }

    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:1rem;
    }

    /* flow cards - app panels */
    .flow-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }

    .flow-card{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:16px;
      overflow:hidden;
      box-shadow:var(--shadow-soft);
      display:flex;
      flex-direction:column;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .flow-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow);
      border-color:#ccd4dd;
    }

    .flow-visual{
      height:148px;
      background:linear-gradient(180deg, #fbfcfd 0%, #f1f5f8 100%);
      border-bottom:1px solid var(--line);
      padding:12px;
      display:flex;
      align-items:center;
      justify-content:center;
      position:relative;
      overflow:hidden;
    }

    .flow-ui{
      width:100%;
      border-radius:10px;
      background:#fff;
      border:1px solid var(--line-strong);
      padding:9px 10px;
      box-shadow:0 2px 8px rgba(16,24,40,.04);
      display:flex;
      flex-direction:column;
      gap:6px;
    }

    .flow-content{
      padding:16px;
      display:flex;
      flex-direction:column;
      flex-grow:1;
    }

    .flow-head-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      margin-bottom:10px;
    }

    .flow-num{
      width:26px;height:26px;border-radius:7px;
      background:var(--surface-soft);
      color:var(--muted);
      display:grid;place-items:center;
      font-size:.65rem;font-weight:800;
      margin-bottom:0;
    }

    .flow-card:nth-child(1) .flow-num,
    .flow-card:nth-child(4) .flow-num{
      background:var(--primary-soft);
      color:var(--primary);
      border:1px solid var(--primary-line);
    }

    .flow-stage-tag{
      font-size:.6rem;
      font-weight:700;
      padding:2px 7px;
      border-radius:999px;
      background:#f1f5f9;
      color:#64748b;
    }

    .flow-card:nth-child(1) .flow-stage-tag{background:var(--primary-soft);color:var(--primary);}
    .flow-card:nth-child(2) .flow-stage-tag{background:var(--blue-soft);color:var(--blue);}
    .flow-card:nth-child(3) .flow-stage-tag{background:var(--amber-soft);color:var(--amber);}
    .flow-card:nth-child(4) .flow-stage-tag{background:var(--primary-soft);color:var(--primary);}

    .flow-card h3{
      margin:0 0 6px;
      font-size:1.02rem;
      font-weight:800;
      color:var(--text);
    }

    .flow-card p{
      margin:0;
      color:var(--muted);
      font-size:.8rem;
      line-height:1.5;
    }

    .flow-badge{
      display:inline-flex;
      align-items:center;
      gap:4px;
      font-size:.58rem;
      font-weight:800;
      padding:2px 6px;
      border-radius:6px;
      width:fit-content;
    }
    .flow-badge.ai{background:var(--primary-soft);color:var(--primary);border:1px solid var(--primary-line);}
    .flow-badge.lock{background:var(--amber-soft);color:var(--amber);border:1px solid #f9e2b8;}
    .flow-badge.live{background:#fee2e2;color:#b91c1c;border:1px solid #fca5a5;}
    .flow-badge.check{background:var(--primary-soft);color:var(--primary);border:1px solid var(--primary-line);}

    .flow-mini-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:6px;
      font-size:.6rem;
      color:#475569;
    }

    .flow-mini-chip{
      display:flex;
      align-items:center;
      gap:5px;
      background:#f8fafc;
      border:1px solid var(--line);
      border-radius:6px;
      padding:3px 6px;
      font-size:.58rem;
      font-weight:700;
      color:#334155;
    }

    .pulse-dot-sm{
      width:6px;height:6px;border-radius:50%;
      background:#22c55e;
      display:inline-block;
      box-shadow:0 0 0 0 rgba(34,197,94,0.7);
      animation:pulse-green 1.8s infinite;
    }
    @keyframes pulse-green{
      0%{box-shadow:0 0 0 0 rgba(34,197,94,0.7);}
      70%{box-shadow:0 0 0 5px rgba(34,197,94,0);}
      100%{box-shadow:0 0 0 0 rgba(34,197,94,0);}
    }

    /* activities */
    .activity-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
    }

    .activity-card{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:16px;
      overflow:hidden;
      transition:.16s ease;
    }

    .activity-card:hover{
      border-color:#ccd4dc;
      box-shadow:var(--shadow);
      transform:translateY(-2px);
    }

    .activity-visual{
      min-height:165px;
      padding:18px;
      background:#f8fafb;
      border-bottom:1px solid var(--line);
      display:flex;
      align-items:center;
      justify-content:center;
    }

    .mini-window{
      width:100%;
      max-width:270px;
      border:1px solid var(--line-strong);
      border-radius:10px;
      background:#fff;
      overflow:hidden;
      box-shadow:var(--shadow-soft);
    }

    .mini-top{
      height:28px;
      border-bottom:1px solid var(--line);
      background:#fbfcfd;
      display:flex;
      align-items:center;
      padding:0 8px;
      gap:4px;
    }

    .mini-top i{width:5px;height:5px;border-radius:50%;background:#d5dce1}

    .mini-content{padding:10px}
    .mline{height:6px;border-radius:99px;background:#e7ebee;margin-bottom:6px}
    .mline:nth-child(1){width:70%}
    .mline:nth-child(2){width:90%}
    .mline:nth-child(3){width:54%}

    .step-list{display:grid;gap:6px;margin-top:8px}
    .step{
      padding:6px 7px;
      border:1px solid var(--line);
      border-radius:6px;
      font-size:.5rem;
      color:#7a8691;
    }
    .step.active{
      background:var(--primary-soft);
      border-color:var(--primary-line);
      color:var(--primary);
    }

    .chat-list{display:grid;gap:7px}
    .bubble{
      max-width:82%;
      padding:7px 9px;
      border-radius:8px;
      font-size:.5rem;
      background:#f0f3f5;
      color:#6d7882;
    }
    .bubble.me{
      margin-right:auto;
      background:var(--primary-soft);
      color:var(--primary);
    }

    .activity-copy{padding:18px}
    .activity-copy h3{margin:0 0 7px;font-size:1.05rem}
    .activity-copy p{margin:0;color:var(--muted);font-size:.83rem}

    /* audience */
    .audience-grid{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:14px;
      margin-top:24px;
    }

    .audience-card{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:16px;
      padding:22px;
      box-shadow:var(--shadow-soft);
      display:flex;
      gap:14px;
      align-items:flex-start;
    }

    .audience-icon{
      width:42px;
      height:42px;
      flex:0 0 auto;
      border-radius:11px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      border:1px solid var(--primary-line);
      color:var(--primary);
      font-size:1rem;
      font-weight:800;
    }

    .audience-card h3{
      margin:0 0 6px;
      font-size:1rem;
    }

    .audience-card p{
      margin:0;
      color:var(--muted);
      font-size:.83rem;
    }

    /* AI control */
    .ai-wrap{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:42px;
      align-items:center;
    }

    .ai-copy p{
      color:var(--muted);
      margin:0;
      font-size:1rem;
      max-width:600px;
    }

    .settings-panel{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:16px;
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }

    .settings-head{
      padding:15px 18px;
      border-bottom:1px solid var(--line);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
    }

    .settings-head strong{font-size:.9rem}
    .settings-head span{color:var(--muted);font-size:.7rem}

    .setting-row{
      padding:14px 18px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:center;
      border-bottom:1px solid var(--line);
    }
    .setting-row:last-child{border-bottom:none}

    .setting-copy b{display:block;font-size:.82rem;margin-bottom:2px}
    .setting-copy span{font-size:.7rem;color:var(--muted)}

    .switch{
      width:38px;height:22px;
      border-radius:999px;
      background:#d9dfe4;
      position:relative;
      flex:0 0 auto;
    }
    .switch::after{
      content:"";
      position:absolute;
      top:3px;right:3px;
      width:16px;height:16px;
      border-radius:50%;
      background:#fff;
      box-shadow:0 1px 2px rgba(0,0,0,.15);
    }
    .switch.on{background:var(--primary)}
    .switch.on::after{right:19px}

    .select-box{
      min-width:126px;
      padding:7px 9px;
      border:1px solid var(--line);
      border-radius:8px;
      color:#586470;
      background:#fbfcfd;
      font-size:.68rem;
      font-weight:700;
    }

    /* handwriting */
    .hand-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:48px;
      align-items:center;
    }

    .drawing-card{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:16px;
      box-shadow:var(--shadow);
      overflow:hidden;
    }

    .drawing-toolbar{
      height:44px;
      padding:0 12px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      border-bottom:1px solid var(--line);
      background:#fbfcfd;
    }

    .toolset{display:flex;gap:6px}
    .toolbutton{
      width:27px;height:27px;border:1px solid var(--line);border-radius:7px;
      display:grid;place-items:center;background:#fff;color:var(--muted);font-size:.62rem;font-weight:800;
    }
    .toolbutton.active{
      border-color:var(--primary-line);
      background:var(--primary-soft);
      color:var(--primary);
    }

    .paper{
      min-height:330px;
      padding:34px;
      background:
        linear-gradient(#edf0f2 1px,transparent 1px),
        linear-gradient(90deg,#edf0f2 1px,transparent 1px),
        #fff;
      background-size:24px 24px;
    }

    .math{
      font-family:"Segoe Print","Comic Sans MS",cursive;
      font-size:1.65rem;
      line-height:1.75;
      color:#25323c;
      transform:rotate(-1deg);
    }

    .hand-copy p{color:var(--muted);font-size:1rem}
    .inline-note{
      margin-top:18px;
      padding:12px 14px;
      border:1px solid var(--primary-line);
      background:var(--primary-soft);
      border-radius:10px;
      color:#28785e;
      font-size:.85rem;
      font-weight:800;
    }

    /* institution */
    .institution-panel{
      display:grid;
      grid-template-columns:1fr .95fr;
      gap:34px;
      align-items:center;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:18px;
      padding:30px;
      box-shadow:var(--shadow-soft);
    }

    .institution-panel p{color:var(--muted)}

    .config-card{
      border:1px solid var(--line);
      border-radius:14px;
      overflow:hidden;
      background:#fbfcfd;
      box-shadow:var(--shadow-soft);
    }

    .config-head{
      padding:13px 14px;
      border-bottom:1px solid var(--line);
      background:#fff;
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
    }

    .config-title{
      display:flex;
      align-items:center;
      gap:8px;
      font-size:.72rem;
      font-weight:800;
      color:#46515c;
    }

    .config-title i{
      width:24px;
      height:24px;
      border-radius:7px;
      background:var(--primary-soft);
      color:var(--primary);
      display:grid;
      place-items:center;
      font-style:normal;
      font-size:.7rem;
      border:1px solid var(--primary-line);
    }

    .config-status{
      font-size:.61rem;
      font-weight:800;
      padding:4px 7px;
      border-radius:999px;
      color:var(--primary);
      background:var(--primary-soft);
      border:1px solid var(--primary-line);
    }

    .config-body{
      padding:13px;
      display:grid;
      gap:10px;
    }

    .config-row{
      display:grid;
      grid-template-columns:88px 1fr;
      align-items:center;
      gap:10px;
    }

    .config-label{
      color:var(--muted);
      font-size:.61rem;
      font-weight:700;
    }

    .config-select,
    .config-doc{
      min-height:31px;
      border:1px solid var(--line);
      border-radius:8px;
      background:#fff;
      padding:7px 9px;
      font-size:.62rem;
      color:#56626d;
      font-weight:700;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:8px;
    }

    .config-select span:last-child{
      color:var(--muted);
      font-size:.55rem;
    }

    .color-config{
      min-height:34px;
      border:1px solid var(--line);
      border-radius:8px;
      background:#fff;
      padding:6px 8px;
      display:flex;
      align-items:center;
      gap:7px;
    }

    .color-swatch{
      width:20px;
      height:20px;
      border-radius:6px;
      border:1px solid rgba(0,0,0,.06);
    }

    .color-swatch.primary{background:var(--primary)}
    .color-swatch.blue{background:var(--blue)}
    .color-swatch.gold{background:#d5a03c}

    .color-code{
      margin-right:auto;
      color:var(--muted);
      font-size:.56rem;
      font-family:ui-monospace,Consolas,monospace;
    }

    .docs-box{
      border:1px solid var(--line);
      border-radius:9px;
      background:#fff;
      overflow:hidden;
    }

    .doc-item{
      padding:8px 9px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:8px;
      border-bottom:1px solid var(--line);
      font-size:.59rem;
      color:#59656f;
    }

    .doc-item:last-child{border-bottom:none}

    .doc-name{
      display:flex;
      align-items:center;
      gap:7px;
      min-width:0;
    }

    .doc-icon{
      width:21px;
      height:21px;
      border-radius:6px;
      display:grid;
      place-items:center;
      background:#f4f6f8;
      border:1px solid var(--line);
      color:var(--muted);
      font-size:.55rem;
      flex:0 0 auto;
    }

    .doc-tag{
      color:var(--muted);
      font-size:.52rem;
      white-space:nowrap;
    }

    .config-footer{
      padding:10px 13px;
      border-top:1px solid var(--line);
      background:#fff;
      display:flex;
      justify-content:flex-end;
    }

    .config-save{
      padding:6px 9px;
      border-radius:7px;
      background:var(--primary);
      color:#fff;
      font-size:.58rem;
      font-weight:800;
    }

    /* demo */
    .demo-section{
      padding:82px 0 92px;
    }

    .demo-shell{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      border:1px solid var(--line);
      border-radius:20px;
      overflow:hidden;
      background:var(--surface);
      box-shadow:var(--shadow);
    }

    .demo-copy{
      padding:34px;
      background:#f4f8f6;
      border-left:1px solid var(--line);
    }

    .demo-copy h2{font-size:2.4rem;margin-bottom:12px}
    .demo-copy p{margin:0;color:var(--muted)}

    .demo-bullets{
      display:grid;
      gap:10px;
      margin-top:24px;
      color:#56636f;
      font-size:.84rem;
      font-weight:650;
    }

    .demo-bullets div{display:flex;align-items:flex-start;gap:8px}

    .form{
      padding:32px;
    }

    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }

    .field{display:grid;gap:6px}
    .field.full{grid-column:1/-1}

    label{
      color:#56616d;
      font-size:.78rem;
      font-weight:700;
    }

    input,textarea{
      width:100%;
      border:1px solid var(--line-strong);
      border-radius:9px;
      padding:11px 12px;
      background:#fff;
      color:var(--text);
      outline:none;
      transition:.15s ease;
    }

    input::placeholder,textarea::placeholder{color:#a6afb7}
    input:focus,textarea:focus{
      border-color:#7bbda8;
      box-shadow:0 0 0 3px rgba(31,143,107,.10);
    }

    textarea{min-height:96px;resize:vertical}

    .form-foot{
      margin-top:15px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      flex-wrap:wrap;
    }

    .privacy{font-size:.7rem;color:#98a2ac;max-width:350px}
    .status{
      display:none;
      margin-top:12px;
      padding:10px 12px;
      border-radius:999px;
      border:1px solid var(--primary-line);
      background:var(--primary-soft);
      color:#28785e;
      font-size:.8rem;
      font-weight:750;
    }

    footer{
      border-top:1px solid var(--line);
      background:#fff;
      color:var(--muted);
      padding:24px 0 30px;
      font-size:.78rem;
    }

    .footer-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
    }

    @media(max-width:960px){
      .navlinks{display:none}
      .hero-grid,.ai-wrap,.hand-grid,.institution-panel,.demo-shell{grid-template-columns:1fr}
      .trust-panel{grid-template-columns:1fr 1fr}
      .trust-item:nth-child(2){border-left:none}
      .trust-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .flow-grid{grid-template-columns:1fr 1fr}
      .audience-grid{grid-template-columns:1fr}
      .activity-grid{grid-template-columns:1fr}
      .demo-copy{border-left:none;border-bottom:1px solid var(--line)}
    }

    @media(max-width:640px){
      .container{width:min(var(--max),calc(100% - 24px))}
      .hero{padding:50px 0 46px}
      h1{font-size:3rem}
      .hero-actions{display:grid}
      .hero-actions .btn{width:100%}
      .app-body{grid-template-columns:92px 1fr}
      .app-sidebar{padding:10px 6px}
      .app-mini-logo span{display:none}
      .side-item{font-size:.61rem;padding:7px 5px}
      .side-icon{display:none}
      .tool-row{grid-template-columns:1fr}
      .trust-panel{grid-template-columns:1fr}
      .trust-item{border-left:none!important;border-bottom:1px solid var(--line)}
      .trust-item:last-child{border-bottom:none}
      .section{padding:60px 0}
      .flow-grid{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .field.full{grid-column:auto}
      .form,.demo-copy{padding:22px}
      .drawing-toolbar{overflow:hidden}
    }

    @media(prefers-reduced-motion:reduce){
      html{scroll-behavior:auto}
      *{transition:none!important}
    }


/* Visual Image enhancements for Flow & Audience */
.flow-visual {
  height: 155px;
  position: relative;
  overflow: hidden;
  background: #f8fafc;
  border-bottom: 1px solid var(--line);
}
.flow-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform .4s cubic-bezier(0.16, 1, 0.3, 1);
}
.flow-card:hover .flow-img {
  transform: scale(1.06);
}
.flow-overlay-badge {
  position: absolute;
  bottom: 8px;
  inset-inline-start: 8px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.63rem;
  font-weight: 800;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.9);
  color: var(--text);
  z-index: 2;
}
.flow-overlay-badge.ai { color: #0284c7; }
.flow-overlay-badge.lock { color: #15803d; }
.flow-overlay-badge.live { color: #b91c1c; }
.flow-overlay-badge.check { color: var(--primary); }

.audience-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  padding: 0 !important;
}
.audience-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: #ccd4dd;
}
.audience-visual {
  height: 135px;
  position: relative;
  overflow: hidden;
  background: #f8fafc;
  border-bottom: 1px solid var(--line);
}
.audience-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform .4s ease;
}
.audience-card:hover .audience-img {
  transform: scale(1.06);
}
.audience-body {
  padding: 18px 20px 22px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  flex-grow: 1;
}

/* Institutional LMS & SSO Visual */
.inst-sso-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.sso-badge-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 8px;
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  font-size: 0.72rem;
  font-weight: 700;
  color: #334155;
}


/* ========================================================
   PREMIUM CSS UI MOCKS (No raster images)
   ======================================================== */
.flow-visual {
  height: 165px;
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  border-bottom: 1px solid var(--line);
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.flow-ui {
  width: 100%;
  border-radius: 10px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  padding: 10px 12px;
  box-shadow: 0 4px 12px rgba(16, 24, 40, 0.05);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform .2s ease, box-shadow .2s ease;
}

.flow-card:hover .flow-ui {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(31, 143, 107, 0.08);
}

.flow-ui-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 5px;
  margin-bottom: 2px;
}

.flow-dots {
  display: flex;
  gap: 4px;
  align-items: center;
}

.flow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}
.flow-dot.red { background: #f87171; }
.flow-dot.yellow { background: #fbbf24; }
.flow-dot.green { background: #34d399; }

.flow-ui-title {
  font-size: 0.62rem;
  font-weight: 800;
  color: #475569;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Card 1: AI Prompt mock */
.mock-prompt-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 4px 7px;
  font-size: 0.6rem;
}
.mock-prompt-text {
  color: #334155;
  font-style: italic;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 160px;
}
.mock-btn-gen {
  background: var(--primary);
  color: #ffffff;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.52rem;
  font-weight: 800;
  flex-shrink: 0;
}
.mock-generated-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mock-gen-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.58rem;
  font-weight: 700;
  color: #1e293b;
  background: #fdfdfd;
  padding: 2px 4px;
  border-radius: 4px;
}

/* Card 2: Security toggles mock */
.mock-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 7px;
  border-radius: 6px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  font-size: 0.6rem;
  font-weight: 700;
  color: #334155;
}
.mock-pill-tag {
  font-size: 0.52rem;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 4px;
  background: #e2e8f0;
  color: #475569;
}
.mock-pill-tag.on {
  background: #dcfce7;
  color: #15803d;
}
.mock-pill-tag.primary {
  background: var(--primary-soft);
  color: var(--primary);
}

/* Card 3: Live classroom proctoring mock */
.mock-live-tag {
  background: #fee2e2;
  color: #b91c1c;
  font-size: 0.52rem;
  font-weight: 900;
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid #fecaca;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}
.mock-student-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.58rem;
  font-weight: 700;
  color: #334155;
  padding: 2px 4px;
}
.mock-status-pill {
  font-size: 0.5rem;
  font-weight: 800;
  padding: 1px 5px;
  border-radius: 4px;
}
.mock-status-pill.green {
  background: #dcfce7;
  color: #15803d;
}
.mock-kiosk-alert {
  background: #fef2f2;
  border: 1px solid #fee2e2;
  border-radius: 5px;
  padding: 3px 6px;
  font-size: 0.55rem;
  font-weight: 700;
  color: #b91c1c;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Card 4: Assessment & Tablet board mock */
.mock-grade-head {
  display: flex;
  align-items: baseline;
  line-height: 1;
}
.mock-grade-num {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--primary);
}
.mock-grade-max {
  font-size: 0.6rem;
  color: #64748b;
  font-weight: 700;
  margin-inline-start: 2px;
}
.mock-authentic-pill {
  background: var(--primary-soft);
  color: var(--primary);
  border: 1px solid var(--primary-line);
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 0.58rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}
.mock-step-row {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 4px 7px;
  font-size: 0.62rem;
  font-weight: 700;
  color: #334155;
}
.mock-step-row.green {
  background: #f0fdf4;
  border-color: #bbf7d0;
  color: #15803d;
}

/* Audience cards clean UI */
.audience-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px !important;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.audience-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: #ccd4dd;
}
.audience-top {
  display: flex;
  align-items: center;
  gap: 12px;
}
.audience-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.audience-pill {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 0.68rem;
  font-weight: 700;
  color: #475569;
}


/* ===== EXAMIN V2 refinement ===== */
.brand-logo{width:44px;height:34px;display:grid;place-items:center;flex:0 0 auto}
.brand-logo img{width:44px;height:34px;display:block}
.brand-copy strong{font-size:1.12rem;letter-spacing:.015em}
.brand-copy small{font-size:.58rem;letter-spacing:.04em}

.trust-panel{grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.trust-item,.trust-item:last-child,html[dir="rtl"] .trust-item,html[dir="rtl"] .trust-item:first-child{border:0!important;background:#fff}
.trust-icon-box{width:52px;height:52px;font-size:1.5rem}
.trust-item span{font-size:.76rem}

.flow-grid{grid-template-columns:repeat(4,1fr)}

.activity-visual{min-height:190px;padding:18px 20px;background:linear-gradient(180deg,#fbfcfd 0%,#f5f8f7 100%)}
.activity-svg{display:block;width:100%;max-width:330px;height:156px;object-fit:contain}
.activity-copy h3 svg{width:26px!important;height:26px!important}
.activity-copy h3{font-size:1.08rem!important}

.audience-grid-2{grid-template-columns:repeat(2,1fr);gap:18px;max-width:960px}
.audience-card{padding:28px!important}
.audience-icon-lg{width:56px;height:56px;border-radius:14px;font-size:1.45rem}
.audience-card h3{font-size:1.18rem}
.audience-card p{font-size:.88rem;line-height:1.6}

.ai-copy h2{max-width:650px}
.hand-copy h2{max-width:600px}
.paper img{max-width:330px!important;margin-bottom:4px!important}
.inline-note{font-weight:700}

@media(max-width:1080px){
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .trust-panel{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  .audience-grid-2,.flow-grid,.trust-panel{grid-template-columns:1fr}
  .trust-icon-box{width:46px;height:46px;font-size:1.3rem}
}


/* ===== EXAMIN V7 — original brand assets from user's /logos folder ===== */
/* Header: the mark and the word, the word in the page's own type and heading ink - lighter than
   the full lockup image, whose black text was the heaviest thing on the bar. The footer keeps the
   full lockup with its tagline. */
.brand-mark{
  width:40px;
  height:40px;
  border-radius:10px;
  display:block;
  flex:0 0 auto;
}
.brand-word{
  color:var(--ink-primary);
  font-size:1.6rem;
  font-weight:900;
  letter-spacing:.01em;
  line-height:1;
}
.footer-brand-lockup{
  height:42px;
  width:auto;
  max-width:250px;
  display:block;
  object-fit:contain;
}
.app-mini-logo img{
  object-fit:contain;
}
@media (max-width:720px){
  .brand-mark{
    width:34px;
    height:34px;
  }
  .brand-word{
    font-size:1.35rem;
  }
  .footer-brand-lockup{
    height:36px;
    max-width:215px;
  }
}


/* ===== Header on narrow screens =====
   From 960px down the section links leave the bar; a menu button opens them in a panel under it,
   with the language and "for institutions". Below 640px the bar keeps only the logo, the demo
   button and the menu button, so nothing wraps. */
.nav-demo{white-space:nowrap}
.nav-toggle{display:none;width:42px;padding:0;font-size:1.25rem}
.nav-menu{display:none}
@media(max-width:960px){
  .nav-toggle{display:inline-flex}
  /* Over the page rather than in the sticky bar's flow: opening and closing it must not move the
     page, or a link followed from it lands short by the panel's height. */
  .nav-menu{
    display:block;
    position:absolute;
    inset-inline:0;
    top:100%;
    border-top:1px solid var(--line);
    background:var(--surface);
    box-shadow:var(--shadow);
  }
  .nav-menu .container{display:flex;flex-direction:column;padding-block:8px}
  .nav-menu a,.nav-menu-lang{
    display:flex;
    align-items:center;
    gap:8px;
    padding:12px 4px;
    border:0;
    border-bottom:1px solid var(--line);
    background:none;
    color:var(--text);
    font:inherit;
    font-weight:600;
    text-align:start;
  }
  .nav-menu-lang{border-bottom:0;cursor:pointer}
}
@media(max-width:640px){
  .nav{gap:12px}
  .nav-wide{display:none}
  .nav-actions .btn{min-height:40px}
  .nav-demo{padding-inline:12px}
}

/* ===== Demo: the contact form (Home.razor DemoForm) ===== */
.hp{position:absolute;inset-inline-start:-9999px;width:1px;height:1px;overflow:hidden}
.form .status{display:flex;align-items:center;gap:10px;margin-top:14px;padding:12px 14px;border:1px solid;border-radius:var(--r-md);font-weight:700}
.form .status.ok{background:var(--primary-soft);border-color:var(--primary-line);color:#28785e}
.form .status.err{background:var(--danger-soft);border-color:#efcfcf;color:var(--danger)}
.form-note{margin:12px 0 0;color:var(--muted);font-size:.82rem}
.footer-contact{display:inline-flex;align-items:center;gap:6px}
.footer-contact:hover{color:var(--primary)}

/* ===== Hero mockup: a student at work, drawn in code (Home.razor HeroMock) =====
   Real content at a readable size - a lab question with its circuit, the allowed tools and a
   handwritten answer - with two floating cards for what the teacher controls. */
.mk-stage{position:relative;isolation:isolate;padding:18px 0}
.mk-stage::before{
  content:"";position:absolute;inset:12% 8% 4%;z-index:-1;border-radius:40px;
  background:radial-gradient(60% 60% at 55% 45%, rgba(31,143,107,.28), rgba(74,113,216,.14) 55%, transparent 75%);
  filter:blur(40px);
}
.mk-bar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:10px 16px;border-bottom:1px solid var(--line);background:var(--surface-soft);
  font-size:.78rem;font-weight:700;color:#4a5662;
}
.mk-dots{display:flex;gap:4px}
.mk-dots i{width:18px;height:5px;border-radius:3px;background:var(--line-strong)}
.mk-dots i.done{background:var(--primary-line)}
.mk-dots i.on{background:var(--primary)}
.mk-lock,.mk-timer{display:inline-flex;align-items:center;gap:5px}
.mk-lock{margin-inline-start:auto;color:var(--primary)}
.mk-timer{padding:3px 10px;border-radius:999px;background:var(--text);color:#fff;font-variant-numeric:tabular-nums}
.mk-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:14px;padding:16px}
.mk-card{border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);padding:14px}
.mk-q-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;font-size:.92rem}
.mk-pts{padding:2px 9px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:.72rem;font-weight:800}
.mk-q-text{margin:0 0 8px;color:#3e4a56;font-size:.8rem;line-height:1.5}
.mk-circuit,.mk-ink{display:block;width:100%;height:auto;direction:ltr}
.mk-circuit .w{fill:none;stroke:#2b3440;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.mk-circuit .r{fill:none;stroke:var(--primary);stroke-width:2.6;stroke-linejoin:round}
.mk-circuit .b{fill:none;stroke:#2b3440;stroke-width:2.6;stroke-linecap:round}
.mk-circuit .m{fill:#fff;stroke:var(--blue);stroke-width:2.2}
.mk-circuit .mt{fill:var(--blue);font:800 15px "Heebo",sans-serif;text-anchor:middle}
.mk-circuit .arrow{fill:var(--primary)}
.mk-circuit .lb{fill:#4a5662;font:700 12px "Heebo",sans-serif}
.mk-tools{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.mk-tool{display:inline-flex;align-items:center;gap:5px;padding:5px 10px;border:1px solid var(--line-strong);border-radius:999px;font-size:.74rem;font-weight:700;color:#4a5662}
.mk-tool.on{background:var(--primary-soft);border-color:var(--primary-line);color:var(--primary)}
.mk-answer{display:flex;flex-direction:column}
.mk-tabs{display:flex;gap:4px;margin-bottom:8px;font-size:.75rem;font-weight:700}
.mk-tabs span{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:8px;color:var(--muted)}
.mk-tabs span.on{background:var(--primary);color:#fff}
.mk-ink{
  flex:1;border-radius:10px;
  background:repeating-linear-gradient(#fffdf6 0 27px,#e7ebef 27px 28px);
}
.mk-ink text{fill:#1d2a5c;font:700 30px "Caveat","Segoe Print",cursive}
.mk-ink .ring{fill:none;stroke:var(--primary);stroke-width:2.4;stroke-linecap:round;stroke-dasharray:130 14}
.mk-saved{display:inline-flex;align-items:center;gap:5px;margin-top:8px;color:var(--primary);font-size:.72rem;font-weight:700}
.mk-float{
  position:absolute;display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border:1px solid rgba(255,255,255,.7);border-radius:999px;
  background:rgba(255,255,255,.75);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:0 10px 26px rgba(16,24,40,.12);font-size:.8rem;font-weight:800;color:var(--text);white-space:nowrap;
}
.mk-float .bi{color:var(--primary);font-size:1rem}
.mk-float-ai{top:0;inset-inline-end:-14px}
.mk-float-done{bottom:8px;left:50%;transform:translateX(-50%)}
@media(max-width:640px){
  .mk-grid{grid-template-columns:1fr;padding:12px}
  .mk-float-ai{inset-inline-end:6px}
  .mk-float-done{bottom:-2px}
}

/* ===== Legal pages: accessibility statement, privacy policy (LegalPage.razor) ===== */
.legal{padding:48px 0 72px}
.legal-body{max-width:780px}
.legal-body h1{font-size:clamp(2rem,4vw,2.8rem);margin:0 0 6px}
.legal-body h2{font-size:1.25rem;margin:34px 0 10px}
.legal-body p,.legal-body li{color:#33404d;font-size:1rem;line-height:1.75}
.legal-body ul{padding-inline-start:22px;margin:0 0 12px}
.legal-body li{margin-bottom:6px}
.legal-body a{color:var(--primary);text-decoration:underline}
.legal-updated{color:var(--muted)!important;font-size:.9rem!important;margin:0 0 24px}
.legal-lead{padding:16px 18px;border-inline-start:4px solid var(--primary);border-radius:var(--r-sm);background:var(--primary-soft);font-weight:600}
.legal-contact{list-style:none;padding:0!important}
/* A detail the operator still has to fill in before the page goes live. */
.legal-fill{padding:0 4px;border-radius:4px;background:#fff3c4;color:#5c4400}
.footer-links{display:flex;gap:16px}
.footer-links a{text-decoration:underline}
.footer-links a:hover{color:var(--primary)}

/* The hero's first word: practice and exams in a locked, secure environment. */
.hero-badges{display:flex;flex-wrap:wrap;gap:8px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border:1px solid var(--primary-line);border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:.9rem;font-weight:800}

/* ===== The locked environment: what keeps the work the student's ===== */
.lock-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-top:8px}
/* Three on top, the rest centred under them. */
.lock-card{grid-column:span 2}
.lock-card:nth-child(7):nth-last-child(2){grid-column:2 / span 2}
.lock-card{padding:22px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow-soft)}
.lock-icon{display:grid;place-items:center;width:46px;height:46px;margin-bottom:12px;border-radius:12px;background:var(--primary-soft);color:var(--primary);font-size:1.3rem}
.lock-card h3{margin:0 0 6px;font-size:1.05rem}
.lock-card p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.6}
@media(max-width:960px){.lock-grid{grid-template-columns:repeat(2,1fr)}.lock-card,.lock-card:nth-child(7):nth-last-child(2){grid-column:auto}}
@media(max-width:640px){.lock-grid{grid-template-columns:1fr}}

/* The subjects the activity's tools cover, under the "students work inside the activity" heading. */
.tool-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tool-tags span{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border:1px solid var(--primary-line);border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:.86rem;font-weight:700}

/* ===== Activity cards: small drawn screens (Home.razor QuizArt, LabArt, InterviewArt) ===== */
.cv{width:100%;max-width:340px;margin:0 auto;padding:12px;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:0 8px 22px rgba(16,24,40,.07);font-size:.76rem;text-align:start}
.cv-top{display:flex;align-items:center;gap:8px;margin-bottom:8px;color:var(--muted);font-weight:700}
.cv-lock{display:inline-flex;align-items:center;gap:4px;margin-inline-start:auto;color:var(--primary)}
.cv-timer{padding:2px 8px;border-radius:999px;background:var(--text);color:#fff;font-variant-numeric:tabular-nums}
.cv-q{margin-bottom:8px;font-weight:800;color:var(--text);font-size:.82rem}
.cv-opt{display:flex;align-items:center;gap:6px;margin-top:5px;padding:6px 10px;border:1px solid var(--line);border-radius:9px;color:#3e4a56}
.cv-opt.on{border:1.5px solid var(--primary);background:var(--primary-soft);color:var(--primary);font-weight:800}
.cv-lab{display:grid;grid-template-columns:1.15fr 1fr;gap:10px;align-items:center}
.cv-steps{display:flex;flex-direction:column;gap:6px}
.cv-step{display:flex;align-items:center;gap:6px;padding:6px 8px;border:1px solid var(--line);border-radius:9px;color:#3e4a56;font-weight:700}
.cv-step.done{color:var(--primary)}
.cv-step.on{border:1.5px solid var(--primary);background:var(--primary-soft);color:var(--primary)}
.cv-step.on span{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--primary);color:#fff;font-size:.68rem}
.cv-step.lock{color:var(--muted);background:var(--surface-soft)}
.cv-side{display:flex;flex-direction:column;gap:8px}
.cv-chart{display:block;width:100%;height:auto;direction:ltr}
.cv-chart .ax{fill:none;stroke:var(--line-strong);stroke-width:1.5}
.cv-chart .ln{fill:none;stroke:var(--blue);stroke-width:2.2;stroke-linejoin:round}
.cv-chart circle{fill:#fff;stroke:var(--blue);stroke-width:2}
.cv-chat{display:flex;flex-direction:column;gap:7px}
.cv-msg{max-width:88%;padding:7px 10px;border-radius:12px;line-height:1.45}
.cv-msg .bi{margin-inline-end:5px}
.cv-msg.bot{align-self:flex-start;background:var(--surface-soft);border:1px solid var(--line);color:var(--text);font-weight:700}
.cv-msg.me{align-self:flex-end;background:var(--primary);color:#fff}
.cv-msg.next{border-style:dashed;color:var(--primary)}
/* The three pictures stand at one height, so the cards line up. */
.activity-visual{display:flex;align-items:center;justify-content:center;min-height:236px}
/* Smaller pictures, one fixed height: the cards' titles and text start on one line. */
.activity-visual{height:178px;min-height:0;padding:14px 18px}
.cv{max-width:290px;padding:9px;font-size:.66rem;border-radius:12px}
.cv-q{font-size:.72rem;margin-bottom:6px}
.cv-top{margin-bottom:6px}
.cv-opt{margin-top:4px;padding:4px 8px}
.cv-step{padding:4px 7px}
.cv-steps{gap:5px}
.cv-chat{gap:5px}
.cv-msg{padding:5px 8px}
.cv{font-size:.6rem}
.cv-q{font-size:.65rem}

/* AI content creation section */
.create-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:42px;align-items:center}
.create-copy .kicker{margin-bottom:10px}
.create-copy p{color:var(--muted);margin:0 0 18px;font-size:1rem;max-width:600px}
.create-chips{display:flex;flex-wrap:wrap;gap:8px}
.create-chips span{display:inline-flex;align-items:center;gap:7px;padding:7px 12px;border:1px solid var(--primary-line);border-radius:999px;background:var(--surface);color:var(--primary);font-size:.85rem;font-weight:700}
.create-card{border:1px solid var(--line);border-radius:var(--r-xl);background:var(--surface);box-shadow:var(--shadow);overflow:hidden}
.create-bar{display:flex;align-items:center;gap:8px;padding:12px 18px;background:var(--primary-soft);border-bottom:1px solid var(--primary-line);color:var(--primary);font-weight:800;font-size:.9rem}
.create-prompt{margin:16px 18px 0;padding:14px;border:1.5px solid var(--primary);border-radius:var(--r-md);background:var(--surface-tint);font-size:.95rem;line-height:1.6;font-weight:600}
.create-go{display:inline-block;margin-inline-start:10px;padding:3px 10px;border-radius:8px;background:var(--primary);color:#fff;font-size:.78rem;font-weight:800;vertical-align:middle}
.create-out{display:flex;flex-direction:column;gap:8px;padding:14px 18px 6px}
.create-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r-sm);font-size:.9rem;font-weight:700}
.create-item .bi{color:var(--primary);font-size:1.05rem}
.create-item span{flex:1}
.create-item em{font-style:normal;font-size:.72rem;font-weight:800;color:var(--primary);background:var(--primary-soft);padding:2px 8px;border-radius:999px}
.create-item.pending{border-style:dashed;color:var(--muted)}
.create-item.pending .bi,.create-item.pending em{color:var(--amber)}
.create-item.pending em{background:var(--amber-soft)}
.create-foot{display:flex;align-items:center;gap:8px;margin:8px 18px 16px;color:var(--muted);font-size:.82rem;font-weight:700}
.create-foot .bi{color:var(--primary)}
@media(max-width:960px){.create-wrap{grid-template-columns:1fr;gap:28px}}

.hero h1{text-wrap:balance}
.nav{row-gap:8px;padding-block:10px}
@media(min-width:961px){.lang-en .nav{gap:16px}.lang-en .navlinks{gap:14px;font-size:.84rem}}
@media(max-width:600px){.lang-he .hero h1{font-size:2.4rem}.lang-en .hero h1{font-size:1.9rem}}
@media(min-width:961px){
  .hero-grid{grid-template-columns:1fr 1.1fr}
  .hero h1{font-size:clamp(2.4rem,3.9vw,3.7rem)}
  .lang-en .hero h1{font-size:clamp(2rem,3vw,2.9rem)}
}
.hero-sub{margin:0 0 14px;font-size:1.4rem;font-weight:600;color:#3b4754}

.create-sim{margin:12px 18px 0;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface-soft)}
.create-sim-head{display:flex;align-items:center;gap:8px;font-size:.85rem;font-weight:800}
.create-sim-head span{flex:1;display:flex;align-items:center;gap:6px}
.create-sim-head .bi{color:var(--blue)}
.create-sim-head em{font-style:normal;font-size:.72rem;font-weight:800;color:var(--primary);background:var(--primary-soft);padding:2px 8px;border-radius:999px}
.create-wave{display:block;width:100%;height:auto;direction:ltr;margin-top:6px}
.create-wave .axis{stroke:var(--line-strong);stroke-width:1;fill:none}
.create-wave .env{stroke:var(--line-strong);stroke-width:1;stroke-dasharray:3 3;fill:none}
.create-wave .wave{stroke:var(--blue);stroke-width:2;fill:none;stroke-linejoin:round}
.create-params{display:flex;flex-wrap:wrap;gap:6px;direction:ltr;justify-content:flex-start}
.create-params span{padding:2px 8px;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--muted);font-size:.72rem;font-weight:700;font-family:ui-monospace,Consolas,monospace}
.create-out{padding-top:10px}
.create-item{padding:8px 12px}

/* ===== Hero mockup: DNA sequences and code (Home.razor HeroMock) ===== */
.mk-seq{display:flex;flex-direction:column;gap:6px;padding:10px 12px;border-radius:10px;background:var(--surface-soft);font:700 .95rem/1 "Consolas","Menlo",monospace}
.mk-seq div{display:flex;align-items:center;gap:3px}
.mk-seq b{width:42px;color:var(--muted);font:700 .72rem "Heebo",sans-serif}
.mk-seq span{display:inline-grid;place-items:center;width:20px;height:24px;border-radius:5px;color:var(--primary);background:var(--primary-soft)}
.mk-seq span.x{color:#b42318;background:#fde8e6}
.mk-code{flex:1;margin:0;padding:10px 12px;border-radius:10px;background:#1b2330;color:#d7e3f4;font:600 .72rem/1.6 "Consolas","Menlo",monospace;white-space:pre-wrap}
.mk-out{margin-top:6px;padding:6px 10px;border-radius:8px;background:var(--primary-soft);color:var(--primary);font:700 .78rem "Consolas","Menlo",monospace}

/* Hero picture: DNA helix + light code card (images/illustrations/hero-dna-code.svg) */
.hero-art{display:block;width:100%;height:auto;max-width:none;margin-inline:auto;border-radius:32px;box-shadow:0 18px 50px rgba(16,40,58,.14)}