:root{--bg:#fff;--fg:#111827;--muted:#6b7280;--line:#e5e7eb;--accent:#2563eb;--accent-fg:#fff;--surface:#f9fafb}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--fg);background:var(--bg);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6}.wrap{max-width:1040px;margin:0 auto;padding:0 24px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1,h2{line-height:1.2}.site-header{border-bottom:1px solid var(--line);background:var(--bg)}.nav{justify-content:space-between;align-items:center;height:64px;display:flex}.brand{color:var(--fg);letter-spacing:-.01em;font-weight:700}.links{gap:24px;display:flex}.links a{color:var(--muted);font-weight:500}.links a:hover{color:var(--fg);text-decoration:none}.hero{padding:72px 0 40px}.hero-grid{grid-template-columns:1.1fr .9fr;align-items:center;gap:48px;display:grid}.hero h1{margin:0 0 16px;font-size:2.6rem}.hero p.lead{color:var(--muted);margin:0 0 28px;font-size:1.15rem}.hero-img{background:var(--surface);border:1px solid var(--line);aspect-ratio:4/3;border-radius:12px;justify-content:center;align-items:center;display:flex;overflow:hidden}.hero-img img{object-fit:cover;width:100%;height:100%}.section{padding:48px 0}.section h2{margin:0 0 16px;font-size:1.6rem}.section p{color:var(--muted);max-width:70ch}.btn{background:var(--accent);color:var(--accent-fg);cursor:pointer;border:none;border-radius:8px;padding:12px 22px;font-size:1rem;font-weight:600;display:inline-block}.btn:hover{filter:brightness(1.05);text-decoration:none}.btn[disabled]{opacity:.6;cursor:not-allowed}table.specs{border-collapse:collapse;width:100%;margin-top:8px}table.specs th,table.specs td{text-align:left;border-bottom:1px solid var(--line);padding:12px 16px}table.specs th{color:var(--muted);width:40%;font-weight:600}table.specs td{font-variant-numeric:tabular-nums}.accordion{gap:12px;margin-top:8px;display:grid}.acc-item{border:1px solid var(--line);background:var(--bg);border-radius:10px;overflow:hidden}.acc-item summary{cursor:pointer;padding:16px 48px 16px 20px;font-weight:600;list-style:none;position:relative}.acc-item summary::-webkit-details-marker{display:none}.acc-item summary:after{content:"+";color:var(--muted);font-size:1.4rem;font-weight:400;transition:transform .2s;position:absolute;top:50%;right:20px;transform:translateY(-50%)}.acc-item[open] summary:after{content:"–"}.acc-body{border-top:1px solid var(--line);padding:4px 20px 20px}.acc-body p{margin:12px 0 0}.acc-body table.specs{margin-top:12px}.gallery-section h2{font-size:1.6rem}.gallery{grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:12px;margin-top:8px;display:grid}.gallery img{border:1px solid var(--line);background:var(--surface);object-fit:contain;aspect-ratio:1;border-radius:8px;width:100%;height:auto}.feature-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:8px;display:grid}.feature{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:20px}.feature h3{margin:0 0 8px;font-size:1.05rem}.feature p{color:var(--muted);margin:0;font-size:.95rem}.contact{background:var(--surface);border-top:1px solid var(--line);padding:56px 0}.contact h2{margin-top:0}form.contact-form{gap:16px;max-width:560px;display:grid}.field{gap:6px;display:grid}.field label{font-size:.95rem;font-weight:500}.field .req{color:#b91c1c}.field input,.field select,.field textarea{font:inherit;border:1px solid var(--line);background:var(--bg);color:var(--fg);border-radius:8px;padding:10px 12px}.field textarea{resize:vertical;min-height:120px}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:#0000}.field .err{color:#b91c1c;min-height:1em;font-size:.85rem}.form-status{min-height:1.2em;font-size:.95rem}.form-status.error{color:#b91c1c}.form-status.success{color:#15803d;font-weight:600}.hp{width:1px;height:1px;position:absolute;left:-9999px;overflow:hidden}.site-footer{border-top:1px solid var(--line);padding:28px 0}.foot{color:var(--muted);flex-direction:column;gap:6px;font-size:.85rem;display:flex}@media (width<=760px){.hero-grid{grid-template-columns:1fr;gap:24px}.hero h1{font-size:2rem}.links{gap:16px}table.specs{display:block;overflow-x:auto}}