*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--navy: #0d2b4e;--blue: #1a5fa8;--sky: #3b9ede;--accent: #e8a020;--light-bg: #f4f7fb;--card-bg: #ffffff;--text: #1e2a38;--muted: #5a6a7e;--border: #dce6f0;--radius: 10px;--shadow: 0 4px 20px rgba(13, 43, 78, .1);font-size:16px}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--light-bg);color:var(--text);line-height:1.7}.app-shell{min-height:100vh;display:flex;flex-direction:column}.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--blue) 100%);color:#fff;text-align:center;padding:3.5rem 1.5rem 3rem}.eyebrow-row{display:flex;align-items:center;justify-content:center;gap:.75rem;margin-bottom:1.25rem}.mamat-logo{height:48px;width:auto;filter:drop-shadow(0 2px 6px rgba(0,0,0,.35));flex-shrink:0}.eyebrow{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--sky);font-weight:600;margin-bottom:0}.hero h1{font-size:clamp(1.6rem,4vw,2.6rem);font-weight:800;line-height:1.2;margin-bottom:.5rem}.hero h2{font-size:clamp(1rem,2.5vw,1.35rem);font-weight:400;opacity:.88;margin-bottom:1.25rem}.challenge-line{display:inline-block;background:rgba(255,255,255,.12);border-left:4px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;padding:.6rem 1.2rem;font-style:italic;font-size:1rem;max-width:620px;text-align:left}.section-nav{display:flex;justify-content:center;flex-wrap:wrap;gap:.5rem;padding:1.25rem 1rem;background:var(--navy);position:sticky;top:0;z-index:100;border-bottom:3px solid var(--accent)}.section-nav button{background:transparent;border:1.5px solid rgba(255,255,255,.25);border-radius:50px;color:#fffc;cursor:pointer;font-size:.85rem;font-weight:500;padding:.45rem 1.2rem;transition:all .2s ease;letter-spacing:.03em}.section-nav button:hover{background:rgba(255,255,255,.12);border-color:#fff9;color:#fff}.section-nav button.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:700;box-shadow:0 2px 10px #e8a02073}.content-card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);margin:2rem auto;max-width:780px;padding:2.5rem 2.75rem;width:calc(100% - 2rem);flex:1}.content-card h2{color:var(--navy);font-size:1.55rem;font-weight:800;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:3px solid var(--accent);display:inline-block}.content-card h3{color:var(--blue);font-size:1.1rem;font-weight:700;margin:1.75rem 0 .6rem}.content-card p{color:var(--text);margin-bottom:1rem;font-size:1rem}.content-card p:last-child{margin-bottom:0}.content-card strong{color:var(--navy)}.content-card hr{border:none;border-top:1.5px solid var(--border);margin:2rem 0}.audio-player{display:block;width:100%;margin:1.25rem 0;border-radius:50px;outline:none}.note{background:#fff8ec;border:1px solid #f5d58a;border-radius:var(--radius);color:#7a5a10;font-size:.85rem;padding:.65rem 1rem;margin-top:0}.legal-footer{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:.75rem;padding:1.25rem 1.5rem;font-size:.82rem;color:var(--muted);text-align:center}.legal-link{background:none;border:1px solid var(--border);border-radius:4px;color:var(--blue);cursor:pointer;font-size:.82rem;padding:.2rem .6rem;white-space:nowrap}.legal-link:hover{background:var(--light-bg);text-decoration:underline}@media (max-width: 600px){.content-card{padding:1.5rem 1.25rem}.section-nav{gap:.4rem;padding:.9rem .75rem}.section-nav button{font-size:.78rem;padding:.4rem .9rem}}
