:root{--green:#063b2a;--lime:#9bd437;--cream:#f3f6f1;--ink:#123126}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-rounded,"Arial Rounded MT Bold",Arial,sans-serif;background:var(--cream);color:var(--ink)}header{background:var(--green);color:#fff;padding:18px clamp(20px,6vw,72px);display:flex;justify-content:space-between;align-items:center}header a{color:#fff;text-decoration:none;font-weight:800}.wrap{max-width:1120px;margin:auto;padding:42px 20px 80px}.hero{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;background:linear-gradient(135deg,#063b2a,#126040);color:#fff;border-radius:30px;padding:clamp(28px,5vw,64px);box-shadow:0 22px 60px #063b2a22}.hero h1{font-size:clamp(38px,6vw,68px);line-height:.98;margin:12px 0}.hero p{font-size:18px;line-height:1.65;color:#ffffffcf}.tag{color:var(--lime);font-size:12px;font-weight:900;letter-spacing:.15em}.hero-card{background:#ffffff12;border:1px solid #ffffff24;border-radius:22px;padding:24px;align-self:end}.hero-card b{display:block;font-size:26px;margin-bottom:12px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.btn{border:0;border-radius:13px;padding:15px 20px;font-weight:900;text-decoration:none;cursor:pointer;background:var(--lime);color:var(--green);font-size:15px}.btn.alt{background:#fff;color:var(--green)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:28px 0}.card{background:#fff;border-radius:20px;padding:24px;box-shadow:0 10px 32px #063b2a10}.card span{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:#e6f3d2;font-size:20px}.card h3{margin:14px 0 8px}.card p{line-height:1.55;color:#496158}.exam{margin-top:34px;background:#fff;border-radius:26px;padding:clamp(24px,5vw,48px);box-shadow:0 16px 50px #063b2a15}.hidden{display:none!important}.progress{height:10px;background:#e6ece8;border-radius:9px;overflow:hidden}.progress i{display:block;height:100%;background:var(--lime);width:0}.question-label{color:#568423;font-weight:900;letter-spacing:.1em;font-size:12px;margin-top:30px}.exam h2{font-size:clamp(24px,4vw,38px);line-height:1.2}.answers{display:grid;gap:12px;margin:24px 0}.answer{border:2px solid #e0e8e2;background:#fbfdfb;border-radius:15px;text-align:left;padding:17px;font-size:16px;cursor:pointer}.answer:hover,.answer.selected{border-color:#78ae2e;background:#eff8df}.nav{display:flex;justify-content:space-between;gap:12px}.result{text-align:center}.score{font-size:66px;font-weight:900;color:var(--green)}.explanation{text-align:left;background:#f2f7ed;border-left:5px solid var(--lime);padding:18px;border-radius:12px;margin-top:18px;line-height:1.6}.certificate{margin:28px auto;padding:34px;border:8px double #b3923d;max-width:740px;background:#fffdf5}.certificate strong{display:block;font-size:34px;margin:16px}@media(max-width:760px){.hero{grid-template-columns:1fr}.grid{grid-template-columns:1fr}header{align-items:flex-start;gap:12px;flex-direction:column}}