:root{
  --navy:#132f4c;--navy2:#0b223a;--yellow:#f2b422;--red:#c93636;
  --green:#2f8050;--blue:#347fa7;--paper:#f4f7f9;--ink:#172331;
  --muted:#667887;--line:#dbe3e8;--white:#fff;--shadow:0 18px 50px rgba(10,33,55,.12)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Lato,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.5}
a{color:inherit}button,input{font:inherit}.shell{min-height:100vh}.topbar{background:var(--navy2);color:#fff}.topbar-inner{max-width:1180px;margin:auto;padding:14px 24px;display:flex;justify-content:space-between;align-items:center;gap:18px}.brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:.02em}.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--yellow);color:var(--navy2);display:grid;place-items:center;font-weight:1000}.top-actions{display:flex;gap:10px;align-items:center}.link-button,.ghost-button{border:0;background:transparent;color:inherit;text-decoration:none;cursor:pointer;padding:9px 12px;border-radius:10px}.ghost-button:hover,.link-button:hover{background:rgba(255,255,255,.1)}.hero{background:linear-gradient(135deg,var(--navy2),var(--navy));color:#fff}.hero-inner{max-width:1180px;margin:auto;padding:56px 24px 50px;display:grid;grid-template-columns:1.4fr .8fr;gap:34px;align-items:center}.eyebrow{display:inline-block;background:var(--yellow);color:var(--navy2);font-size:.76rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase;padding:6px 10px;border-radius:999px;margin-bottom:16px}.hero h1{font-size:clamp(2.15rem,5vw,4.35rem);line-height:.98;margin:0 0 18px;letter-spacing:-.045em}.hero p{max-width:720px;color:#d8e4ec;font-size:1.08rem;margin:0}.hero-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:22px;padding:22px;backdrop-filter:blur(8px)}.hero-stat{display:flex;align-items:baseline;gap:10px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12)}.hero-stat:last-child{border-bottom:0}.hero-stat strong{font-size:1.7rem;color:var(--yellow)}.main{max-width:1180px;margin:auto;padding:34px 24px 70px}.notice{background:#fff7da;border:1px solid #efd47c;border-left:6px solid var(--yellow);border-radius:14px;padding:15px 17px;margin-bottom:28px}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin:30px 0 18px}.section-head h2{font-size:1.75rem;margin:0;letter-spacing:-.025em}.section-head p{margin:0;color:var(--muted)}.progress-wrap{min-width:240px}.progress-label{display:flex;justify-content:space-between;font-size:.85rem;margin-bottom:7px}.progress{height:10px;background:#dfe7ec;border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;background:var(--green);width:0;transition:width .25s ease}.video-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.video-card{background:#fff;border:1px solid var(--line);border-radius:19px;padding:20px;box-shadow:0 8px 24px rgba(10,33,55,.05);display:flex;flex-direction:column;min-height:245px}.video-card.done{border-color:#9fc9ad;background:#fbfffc}.video-code{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:12px}.pill{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;font-size:.72rem;font-weight:900;letter-spacing:.06em;text-transform:uppercase;background:#eaf0f4;color:var(--navy)}.pill.live{background:#eaf6ee;color:var(--green)}.video-card h3{font-size:1.18rem;line-height:1.18;margin:0 0 9px}.video-card p{color:var(--muted);margin:0 0 16px}.meta{display:flex;flex-wrap:wrap;gap:8px;color:#526776;font-size:.8rem;margin-top:auto;margin-bottom:16px}.meta span{background:#f0f4f7;padding:5px 8px;border-radius:8px}.card-actions{display:flex;gap:9px}.primary,.secondary{border:0;border-radius:11px;padding:10px 13px;font-weight:800;cursor:pointer;text-decoration:none;text-align:center}.primary{background:var(--navy);color:#fff}.primary:hover{background:#1d446d}.secondary{background:#edf2f5;color:var(--navy)}.secondary:hover{background:#e0e8ed}.secondary.is-done{background:#e8f5ec;color:var(--green)}.sim-card{background:linear-gradient(145deg,#fff,#edf5f9);border:1px solid #cfe0ea;border-radius:22px;padding:25px;display:grid;grid-template-columns:1.3fr .7fr;gap:24px;align-items:center}.sim-card h3{font-size:1.55rem;margin:0 0 10px}.sim-card p{color:var(--muted)}.sim-badge{background:var(--navy);color:#fff;border-radius:18px;padding:20px;text-align:center}.sim-badge strong{display:block;font-size:2.4rem;color:var(--yellow)}.footer{background:var(--navy2);color:#cbd7df}.footer-inner{max-width:1180px;margin:auto;padding:24px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.login-shell{min-height:100vh;background:linear-gradient(145deg,var(--navy2),var(--navy));display:grid;place-items:center;padding:24px}.login-card{width:min(520px,100%);background:#fff;border-radius:24px;padding:34px;box-shadow:var(--shadow)}.login-logo{width:58px;height:58px;border-radius:18px;background:var(--yellow);display:grid;place-items:center;color:var(--navy2);font-weight:1000;font-size:1.25rem}.login-card h1{font-size:2rem;line-height:1.05;margin:20px 0 10px}.login-card p{color:var(--muted)}.field{margin:23px 0 12px}.field label{display:block;font-weight:800;margin-bottom:7px}.field input{width:100%;border:2px solid var(--line);border-radius:12px;padding:13px 14px;text-transform:uppercase;letter-spacing:.06em}.field input:focus{outline:3px solid rgba(242,180,34,.25);border-color:var(--yellow)}.submit{width:100%;border:0;border-radius:12px;background:var(--navy);color:#fff;font-weight:900;padding:13px;cursor:pointer}.submit:hover{background:#1d446d}.error{background:#fff0f0;color:#8f2525;border:1px solid #efbaba;border-radius:10px;padding:11px 12px;margin-top:12px}.privacy{font-size:.82rem;color:var(--muted);margin-top:17px}.simulator{max-width:880px;margin:auto;padding:34px 24px 70px}.sim-top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}.question-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:0 10px 30px rgba(10,33,55,.06)}.question-card h1{font-size:1.65rem;margin:0 0 10px}.statement{font-size:1.22rem;font-weight:800;margin:24px 0}.tf-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.tf-button{border:2px solid var(--line);border-radius:15px;background:#fff;padding:18px;font-weight:1000;font-size:1.05rem;cursor:pointer}.tf-button:hover{border-color:var(--navy)}.tf-button.selected{border-color:var(--yellow);background:#fff8df}.explanation{margin-top:18px;border-radius:14px;padding:15px;display:none}.explanation.show{display:block}.explanation.ok{background:#eaf6ee;border:1px solid #afd4bb}.explanation.bad{background:#fff0f0;border:1px solid #eab6b6}.sim-nav{display:flex;justify-content:space-between;gap:12px;margin-top:18px}.result{background:#fff;border-radius:20px;padding:26px;border:1px solid var(--line)}.result-score{font-size:3rem;font-weight:1000;color:var(--navy)}.small{font-size:.84rem;color:var(--muted)}
@media(max-width:780px){.hero-inner,.sim-card{grid-template-columns:1fr}.video-grid{grid-template-columns:1fr}.hero-inner{padding-top:40px}.hero-card{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.hero-stat{display:block;border:0;padding:8px}.hero-stat strong{display:block}.section-head{align-items:start;flex-direction:column}.progress-wrap{width:100%}.topbar-inner{padding:12px 16px}.main{padding-left:16px;padding-right:16px}.card-actions{flex-direction:column}.tf-grid{grid-template-columns:1fr}.login-card{padding:26px}}