:root{color-scheme:light;--ink:#0f172a;--ink-muted:#475569;--accent:#0b3d91;--accent-dark:#092c66;--background:#f8fafc;--surface:#fff;--border:#e2e8f0}*{box-sizing:border-box}body{margin:0;font-family:Inter,Helvetica Neue,Arial,sans-serif;color:var(--ink);background:var(--background);line-height:1.6}main{flex-direction:column;gap:6rem}header,main{display:flex}header{align-items:center;justify-content:space-between;padding:2.5rem 6vw 0}header nav{display:flex;gap:1.5rem;font-weight:600}header a{text-decoration:none;color:var(--ink-muted)}header a:hover{color:var(--accent)}.hero{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:3rem;gap:3rem;padding:0 6vw;align-items:center}.hero-card{background:var(--surface);border:1px solid var(--border);border-radius:24px;padding:2.5rem;box-shadow:0 18px 40px rgba(15,23,42,.08)}.eyebrow{text-transform:uppercase;letter-spacing:.2em;font-size:.75rem;font-weight:700;color:var(--accent)}h1{font-size:clamp(2.5rem,3.8vw,3.75rem);margin:.5rem 0 1rem}p{margin:0 0 1.5rem;color:var(--ink-muted)}.cta-row{display:flex;flex-wrap:wrap;gap:1rem}.button-primary,.button-secondary{display:inline-flex;align-items:center;justify-content:center;padding:.85rem 1.6rem;border-radius:999px;font-weight:600;text-decoration:none;transition:all .2s ease}.button-primary{background:var(--accent);color:#fff;border:1px solid var(--accent)}.button-primary:hover{background:var(--accent-dark)}.button-secondary{border:1px solid var(--border);color:var(--ink);background:#fff}.button-secondary:hover{border-color:var(--accent);color:var(--accent)}.section{padding:0 6vw}.section h2{font-size:clamp(1.75rem,2.4vw,2.5rem);margin-bottom:.75rem}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:1.5rem;gap:1.5rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:1.75rem}.video-frame{width:100%;min-height:320px;border-radius:20px;border:1px solid var(--border);background:#0b1220;display:grid;place-items:center;color:#fff;font-weight:600}.faq-item{border-bottom:1px solid var(--border);padding:1.2rem 0}.faq-item:last-child{border-bottom:none}footer{padding:3rem 6vw 4rem;color:var(--ink-muted);font-size:.95rem}.chat-section{display:flex;flex-direction:column;gap:1.5rem;padding-bottom:3rem}.chat-header{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;align-items:flex-start}.chat-status{display:flex;gap:.75rem;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:1rem 1.25rem;font-size:.95rem}.chat-status strong{display:block;font-weight:600;color:var(--ink)}.chat-status span{color:var(--ink-muted)}.status-dot{width:12px;height:12px;border-radius:999px;background:#22c55e;box-shadow:0 0 0 6px rgba(34,197,94,.15)}.chat-alert{background:#ecfdf3;border:1px solid #bbf7d0;color:#166534;padding:1rem 1.25rem;border-radius:16px}.chat-window{display:flex;flex-direction:column;gap:1rem;border-radius:24px;border:1px solid var(--border);background:var(--surface);padding:1.5rem;min-height:280px}.chat-bubble{max-width:75%;padding:1rem 1.25rem;border-radius:18px;background:var(--background);border:1px solid var(--border)}.chat-bubble p{margin:.35rem 0 0;color:var(--ink)}.chat-bubble.user{align-self:flex-end;background:#e0f2fe;border-color:#bae6fd}.chat-bubble.assistant{align-self:flex-start}.chat-role{font-size:.75rem;text-transform:uppercase;letter-spacing:.16em;font-weight:700;color:var(--ink-muted)}.chat-form{display:flex;gap:1rem;align-items:center}.chat-form input{flex:1 1;border-radius:999px;border:1px solid var(--border);padding:.85rem 1.2rem;font-size:1rem}.chat-form input:focus{outline:2px solid rgba(11,61,145,.3);border-color:var(--accent)}.chat-form button{border:none}.chat-footer{margin:0;color:var(--ink-muted);font-size:.95rem}.chat-footer a{color:var(--accent);font-weight:600;text-decoration:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}@media (max-width:700px){header{flex-direction:column;align-items:flex-start;gap:1.5rem}.chat-form,.cta-row{flex-direction:column;align-items:stretch}.chat-bubble{max-width:100%}}