:root{--navy:#0a2e4d;--teal:#0d8b8b;--teal-dark:#0a6f6f;--teal-light:rgba(13,139,139,.12);--white:#fff;--grey:#f5f7fa;--grey-mid:#e4e8ef;--text:#1a2638;--text-sec:#4a5568;--text-muted:#718096;--border:#dde3ec;--positive:#16a34a;--positive-bg:#dcfce7;--negative:#dc2626;--negative-bg:#fee2e2;--warning:#d97706;--warning-bg:#fef3c7;--radius:10px}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--grey);color:var(--text);line-height:1.5;min-height:100vh}a{color:inherit;text-decoration:none}.container{max-width:800px;margin:0 auto;padding:0 16px}.card{background:var(--white);border-radius:var(--radius);border:1px solid var(--border);padding:20px}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.badge.active{background:var(--positive-bg);color:var(--positive)}.badge.void{background:var(--negative-bg);color:var(--negative)}.badge.superseded{background:#e2e8f0;color:#64748b}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer;border:none;transition:all .15s}.btn-primary{background:var(--teal);color:var(--white)}.btn-primary:hover{background:var(--teal-dark)}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text-sec)}.btn-outline:hover{border-color:var(--teal);color:var(--teal)}.passport-header{background:linear-gradient(135deg,var(--navy) 0,#0d4a70 60%,var(--teal) 100%);color:var(--white);padding:24px 20px 20px;position:-webkit-sticky;position:sticky;top:0;z-index:10}.passport-header h1{font-size:13px;font-weight:600;opacity:.75;letter-spacing:1px;text-transform:uppercase;margin-bottom:6px}.passport-number{font-size:24px;font-weight:800;letter-spacing:-.5px;margin-bottom:10px}.passport-meta{display:flex;align-items:center;gap:10px;font-size:13px;opacity:.85;flex-wrap:wrap}.tab-nav{display:flex;overflow-x:auto;border-bottom:1px solid hsla(0,0%,100%,.2);margin-top:16px;-webkit-overflow-scrolling:touch;scrollbar-width:none}.tab-nav::-webkit-scrollbar{display:none}.tab-btn{flex-shrink:0;padding:10px 14px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:hsla(0,0%,100%,.6);background:transparent;border:none;border-bottom:2px solid transparent;cursor:pointer;transition:all .15s;white-space:nowrap}.tab-btn:hover{color:hsla(0,0%,100%,.9)}.tab-btn.active{color:var(--white);border-bottom-color:var(--white)}.tab-content{padding:20px 0}.layer-stack{display:flex;flex-direction:column;gap:0;margin:8px 0}.layer-item{border:1px solid var(--border);border-bottom:none;padding:14px 16px;background:var(--white)}.layer-item:first-child{border-radius:var(--radius) var(--radius) 0 0}.layer-item:last-child{border-bottom:1px solid var(--border);border-radius:0 0 var(--radius) var(--radius)}.layer-type-badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:10px;font-weight:700;text-transform:uppercase;margin-bottom:6px}.layer-type-badge.primer{background:#e0e7ff;color:#3730a3}.layer-type-badge.midcoat{background:#fef3c7;color:#92400e}.layer-type-badge.topcoat{background:#d1fae5;color:#065f46}.layer-type-badge.clearcoat{background:#f0f9ff;color:#0c4a6e}.layer-product{font-size:15px;font-weight:700;color:var(--text);margin-bottom:4px}.layer-meta{font-size:12px;color:var(--text-muted)}.dft-display{margin-top:10px;display:flex;align-items:center;gap:12px}.dft-spec{font-size:12px;color:var(--text-muted)}.dft-actual{font-size:18px;font-weight:800;color:var(--positive)}.dft-actual.out-of-spec{color:var(--negative)}.warranty-timeline{height:8px;background:var(--grey-mid);border-radius:4px;margin:12px 0;overflow:hidden}.warranty-timeline-fill{height:100%;background:linear-gradient(90deg,var(--teal),var(--navy));border-radius:4px;transition:width .6s ease}.compliance-item{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid var(--border)}.compliance-item:last-child{border-bottom:none}.doc-type-badge{display:inline-block;padding:2px 7px;background:var(--teal-light);color:var(--teal-dark);border-radius:4px;font-size:10px;font-weight:700}.verified-footer{text-align:center;padding:32px 20px;border-top:1px solid var(--border);margin-top:16px}.verified-badge{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background:linear-gradient(135deg,var(--navy),var(--teal));color:var(--white);border-radius:8px;font-size:13px;font-weight:700;margin-bottom:10px}.verified-footer p{font-size:12px;color:var(--text-muted);margin-top:4px}.section-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:12px}.info-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px;margin-bottom:16px}.info-item .label{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:2px}.info-item .value{font-size:14px;font-weight:600;color:var(--text)}.landing-hero,.not-found{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px 20px}.landing-hero{background:linear-gradient(135deg,var(--navy) 0,#0d4a70 50%,var(--teal) 100%);color:var(--white)}.landing-logo{font-size:32px;font-weight:900;letter-spacing:-1px;margin-bottom:8px}.landing-tagline{font-size:16px;opacity:.8;margin-bottom:40px}.lookup-form{background:hsla(0,0%,100%,.1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid hsla(0,0%,100%,.2);border-radius:var(--radius);padding:24px;max-width:420px;width:100%}.lookup-form h2{font-size:14px;font-weight:600;margin-bottom:12px;opacity:.9}.lookup-input{width:100%;padding:12px 16px;border-radius:6px;border:none;font-size:16px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;color:var(--text);margin-bottom:10px}.lookup-input:focus{outline:2px solid var(--teal)}.landing-footer{margin-top:40px;font-size:12px;opacity:.5}@media (max-width:400px){.info-grid{grid-template-columns:1fr}.passport-number{font-size:20px}}