:root{--navy:#07365b;--blue:#086b9b;--teal:#0e8c82;--mint:#e8f7f4;--sky:#edf7fc;--ink:#173044;--muted:#5d7283;--line:#d8e5ec;--white:#fff;--shadow:0 18px 45px rgba(7,54,91,.1)}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);line-height:1.6;background:#f8fbfc}a{color:var(--blue)}header{background:#fff;border-bottom:1px solid var(--line)}.shell{width:min(1080px,calc(100% - 30px));margin:auto}.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}.brand{font-weight:900;color:var(--navy);text-decoration:none}.brand span{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#12a8bc,#07365b);color:#fff;margin-right:9px}.navlinks{display:flex;gap:14px}.hero{padding:62px 0 48px;background:linear-gradient(135deg,var(--sky),var(--mint))}.hero h1{font-size:clamp(2rem,5vw,3.7rem);line-height:1.05;color:var(--navy);margin:12px 0}.hero p{font-size:1.12rem;max-width:760px;color:#426275}.eyebrow{display:inline-block;background:#fff;border:1px solid #b9d9df;border-radius:999px;padding:6px 10px;color:var(--teal);font-size:.78rem;font-weight:900;text-transform:uppercase;letter-spacing:.05em}.section{padding:50px 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card,.tool{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 10px 28px rgba(7,54,91,.05)}.card h2,.card h3,.tool h2,.tool h3{color:var(--navy)}.card{text-decoration:none;color:inherit}.card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}label{display:block;font-weight:800;color:var(--navy);margin:12px 0}input,select,textarea{width:100%;margin-top:6px;padding:12px;border:1px solid #b9ced9;border-radius:10px;font:inherit;background:#fff}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.button,button{display:inline-block;border:0;border-radius:11px;padding:12px 17px;background:var(--navy);color:#fff;font-weight:850;text-decoration:none;cursor:pointer}.button.secondary,button.secondary{background:var(--sky);color:var(--navy)}.result{margin-top:18px;padding:16px;border-radius:12px;background:var(--sky);min-height:24px}.notice{padding:15px;border:1px solid #efd493;background:#fff8e6;border-radius:12px}.banner{display:block;border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}.banner img{display:block;width:100%}.small{font-size:.82rem;color:var(--muted)}table{border-collapse:collapse;width:100%;margin-top:15px}th,td{border:1px solid var(--line);padding:9px;text-align:left}.quiz-answer{width:100%;margin:7px 0;text-align:left;background:var(--sky);color:var(--navy)}.correct{outline:3px solid var(--teal)}.wrong{outline:3px solid #a8342b}.game-board{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.game-card{min-height:110px;background:var(--navy);color:#fff;display:grid;place-items:center;text-align:center;border-radius:14px;padding:8px;font-weight:900}.game-card.revealed,.game-card.matched{background:#fff;color:var(--navy);border:2px solid var(--teal)}footer{padding:35px 0;background:#062f4f;color:#d7e8f1;margin-top:50px}footer a{color:#fff}@media(max-width:760px){.grid{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}.navlinks{display:none}.game-board{grid-template-columns:repeat(3,1fr)}}@media(max-width:500px){.grid{grid-template-columns:1fr}.game-board{grid-template-columns:repeat(2,1fr)}}@media print{header,footer,.no-print,button{display:none!important}.tool{border:0;box-shadow:none}}