:root{
  --navy:#12345b;--blue:#2176b9;--teal:#17a6a1;--orange:#f58b2b;
  --green:#2f915b;--red:#d94a4a;--purple:#6945c9;--ink:#183042;
  --muted:#6a7f8c;--bg:#edf5f8;--line:#d6e3ea;--white:#fff;
  --shadow:0 16px 42px rgba(18,52,91,.14)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:linear-gradient(135deg,#e8f3f7,#fbfdfe)}
button,input{font:inherit}.institution{width:min(1160px,calc(100% - 26px));margin:14px auto 0;padding:15px 20px;background:#fff;border-radius:22px 22px 0 0;display:flex;align-items:center;justify-content:space-between;gap:18px}
.institution img{width:96px}.institution h1{font-size:clamp(1rem,3vw,1.55rem);margin:0 0 4px;color:var(--navy)}.institution p{margin:2px 0;font-size:.9rem}
.topbar{width:min(1160px,calc(100% - 26px));margin:auto;background:var(--navy);color:#fff;padding:12px 17px;display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:0;z-index:40}
.score{background:#fff;color:var(--navy);border-radius:999px;padding:8px 13px;font-weight:900}.student-chip{max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border:1px solid rgba(255,255,255,.35);border-radius:999px;background:rgba(255,255,255,.14);color:#fff;padding:8px 12px;font-weight:800;cursor:pointer}
.shell{width:min(1160px,calc(100% - 26px));margin:0 auto 30px;padding:24px;background:rgba(255,255,255,.55);border-radius:0 0 24px 24px}.hero,.card{background:#fff;border-radius:24px;box-shadow:var(--shadow)}
.hero{padding:clamp(24px,5vw,44px);display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center}.hero img{width:100%;border-radius:20px}.hero h2{font-size:clamp(2rem,6vw,3.2rem);line-height:1.03;margin:7px 0 13px;color:var(--navy)}.hero p{font-size:1.05rem;line-height:1.55}.eyebrow{font-size:.78rem;letter-spacing:.08em;font-weight:900;color:var(--teal)}
.notice{padding:13px 15px;border-left:7px solid var(--orange);background:#fff7e8;border-radius:12px}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:20px}.mission{background:#fff;border-radius:20px;padding:20px;box-shadow:var(--shadow);border-top:8px solid var(--teal)}.mission:nth-child(2){border-color:var(--orange)}.mission:nth-child(3){border-color:var(--blue)}.mission:nth-child(4){border-color:var(--teal)}.mission:nth-child(5){border-color:var(--red);grid-column:1/-1}.mission img{width:74px}.mission h3{margin:5px 0;color:var(--navy)}.mission p{color:var(--muted);line-height:1.45}
.btn{display:inline-block;border:0;border-radius:13px;padding:12px 17px;background:var(--navy);color:#fff;text-decoration:none;font-weight:900;cursor:pointer}.btn.green{background:var(--green)}.btn.orange{background:var(--orange)}.btn.red{background:var(--red)}.btn.alt{background:#dce9f1;color:var(--navy)}.btn:disabled{opacity:.55;cursor:not-allowed}.wide{width:100%}
.card{padding:clamp(18px,4vw,32px);margin-top:20px}.heading{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.heading h2{margin:3px 0;color:var(--navy)}.heading p{margin:5px 0;color:var(--muted)}.mission-badge{background:var(--navy);color:#fff;padding:13px 16px;border-radius:17px;font-weight:900}
.steps{display:grid;gap:10px;margin-top:16px}.step{padding:13px 15px;border:1px solid var(--line);border-radius:14px;background:#f8fbfd}.step strong{color:var(--navy)}.external{display:flex;gap:10px;align-items:center;justify-content:space-between;background:#eef8f7;border:2px solid #bde4df;padding:13px 15px;border-radius:15px;margin:15px 0}.external p{margin:0}
.quiz{display:grid;gap:16px;margin-top:18px}.q{padding:16px;border:1px solid var(--line);border-radius:16px;background:#fbfdfe}.q h4{margin:0 0 10px;color:var(--navy)}.choices{display:grid;gap:7px}.choice{padding:10px 12px;border:2px solid var(--line);border-radius:12px;background:#fff;text-align:left;cursor:pointer}.choice.selected{border-color:var(--blue);background:#eef6fc}.choice.correct{border-color:var(--green);background:#e9f7ef}.choice.wrong{border-color:var(--red);background:#fff0ef}
.progress{height:13px;background:#e7eff3;border-radius:99px;overflow:hidden;margin:18px 0}.bar{height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--blue));transition:.3s}.feedback{display:none;margin-top:14px;padding:13px 15px;border-radius:13px;font-weight:800}.feedback.ok{display:block;background:#e6f7ed;color:#17663f}.feedback.bad{display:block;background:#fff0ef;color:#922f2f}
.student-gate{position:fixed;inset:0;z-index:9999;background:rgba(6,24,42,.87);backdrop-filter:blur(7px);display:grid;place-items:center;padding:18px}.student-modal{width:min(590px,100%);background:#fff;border-radius:25px;padding:clamp(22px,5vw,38px);box-shadow:0 26px 80px rgba(0,0,0,.35)}.student-modal-head{display:flex;justify-content:space-between;gap:16px}.student-modal h2{margin:5px 0 7px;color:var(--navy);font-size:2rem}.student-lock{width:72px;height:72px;flex:0 0 72px;border-radius:22px;background:linear-gradient(135deg,var(--teal),var(--purple));color:#fff;display:grid;place-items:center;font-size:1.55rem;font-weight:900}.student-form{display:grid;gap:13px;margin-top:20px}.student-form label{font-weight:800;color:var(--navy);display:grid;gap:6px}.student-form input{padding:13px 14px;border:2px solid #c8d9e3;border-radius:12px}.form-error{min-height:22px;color:#a12626;font-weight:800}.privacy-note{font-size:.82rem;color:var(--muted)}
.student-panel{margin-top:20px}.student-summary{background:#fff;border-radius:20px 20px 0 0;padding:18px 20px;box-shadow:var(--shadow);display:flex;justify-content:space-between;gap:18px;align-items:center}.student-summary h3{margin:4px 0;color:var(--navy)}.summary-score{background:var(--navy);color:#fff;border-radius:17px;padding:13px 18px;text-align:center;min-width:150px}.summary-score strong{display:block;font-size:1.45rem}.access-ok{background:#e7f7ed;color:#17663f;padding:11px 16px;font-weight:800}.mini-scores{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:#cfe0e9}.mini-scores span{background:#f8fbfd;padding:12px;text-align:center;color:var(--navy)}
.results-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:16px 0}.results-grid div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;text-align:center}.results-grid span{display:block;color:var(--muted);font-size:.83rem}.results-grid strong{font-size:1.15rem;color:var(--navy)}.send-status{padding:13px 15px;border-radius:13px;background:#e8f1f6;color:var(--navy);font-weight:800}.send-status.ok{background:#e6f7ed;color:#17663f}.send-status.working{background:#fff7e7;color:#8b5a00}.send-status.bad{background:#fff0ef;color:#922f2f}.send-actions{display:grid;grid-template-columns:1.6fr 1fr;gap:10px;margin-top:14px}.hidden-frame,.hidden-form{position:absolute!important;width:1px!important;height:1px!important;opacity:0!important;pointer-events:none!important;border:0!important}
footer{text-align:center;color:#6d818c;padding:20px;font-size:.84rem}
@media(max-width:850px){.hero{grid-template-columns:1fr}.grid{grid-template-columns:1fr}.mission:nth-child(5){grid-column:auto}.topbar{flex-wrap:wrap}.student-chip{order:3;width:100%;max-width:none}.student-summary{flex-direction:column;align-items:stretch}.summary-score{width:100%}.mini-scores,.results-grid{grid-template-columns:repeat(2,1fr)}.send-actions{grid-template-columns:1fr}}
@media(max-width:520px){.institution img{display:none}.topbar{position:static}.shell{padding:12px}.mini-scores,.results-grid{grid-template-columns:1fr}.student-modal-head{display:block}.student-lock{margin-top:12px}.external{flex-direction:column;align-items:stretch}}