:root{--bg-primary: #0a0a0a;--bg-secondary: #141414;--bg-card: #1a1a1a;--text-primary: #ffffff;--text-secondary: #a0a0a0;--accent: #22c55e;--accent-hover: #16a34a;--amazon-orange: #ff9900;--amazon-hover: #e88b00;--border: #2a2a2a;--radius: 12px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, monospace}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}header{background:var(--bg-secondary);border-bottom:1px solid var(--border);padding:1rem 1.5rem;position:sticky;top:0;z-index:100}.header-inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo{font-family:var(--font-mono);font-size:1.25rem;font-weight:700;color:var(--text-primary);text-decoration:none;display:flex;align-items:center;gap:.5rem}.logo:hover{text-decoration:none}.logo-icon{width:32px;height:32px;background:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1rem}nav{display:flex;gap:1.5rem}nav a{color:var(--text-secondary);text-decoration:none;font-size:.9rem;font-weight:500;transition:color .2s}nav a:hover{color:var(--text-primary);text-decoration:none}main{max-width:900px;margin:0 auto;padding:2rem 1.5rem 4rem}.finder-tool{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:2rem}.finder-label{font-size:.85rem;color:var(--text-secondary);margin-bottom:1rem;text-transform:uppercase;letter-spacing:.05em}.finder-selects{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:.75rem}@media (max-width: 640px){.finder-selects{grid-template-columns:1fr}}.finder-select{background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:.875rem 1rem;color:var(--text-primary);font-size:1rem;font-family:inherit;cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23a0a0a0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}.finder-btn{background:var(--accent);color:#000;border:none;border-radius:8px;padding:.875rem 1.5rem;font-size:1rem;font-weight:600;font-family:inherit;cursor:pointer;transition:background .2s;white-space:nowrap}.finder-btn:hover{background:var(--accent-hover)}.breadcrumb{font-size:.85rem;color:var(--text-secondary);margin-bottom:1.5rem}.breadcrumb a{color:var(--text-secondary);text-decoration:none}.breadcrumb a:hover{color:var(--accent)}.breadcrumb span{margin:0 .5rem}.result-section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;margin-bottom:2rem}.result-header{text-align:center;margin-bottom:2rem}.result-header h1{font-size:1.75rem;font-weight:700;margin-bottom:.5rem;line-height:1.3}.result-header p{color:var(--text-secondary);font-size:1rem}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:start}@media (max-width: 640px){.result-grid{grid-template-columns:1fr}}.fob-image{background:var(--bg-secondary);border-radius:var(--radius);aspect-ratio:1;display:flex;align-items:center;justify-content:center;overflow:hidden}.fob-image img{width:100%;height:100%;object-fit:contain;padding:1rem}.battery-answer{display:flex;flex-direction:column;gap:1.5rem}.battery-type{text-align:center;padding:1.5rem;background:linear-gradient(135deg,#1a2e1a,#0a0a0a);border:2px solid var(--accent);border-radius:var(--radius)}.battery-label{font-size:.85rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.1em;margin-bottom:.5rem}.battery-code{font-family:var(--font-mono);font-size:3rem;font-weight:700;color:var(--accent);letter-spacing:.05em}.battery-fits{font-size:.9rem;color:var(--text-secondary);margin-top:.5rem}.amazon-btn{display:flex;align-items:center;justify-content:center;gap:.75rem;background:var(--amazon-orange);color:#000;text-decoration:none;padding:1rem 1.5rem;border-radius:var(--radius);font-size:1.1rem;font-weight:600;transition:background .2s,transform .2s}.amazon-btn:hover{background:var(--amazon-hover);transform:translateY(-2px);text-decoration:none}.amazon-btn svg{width:24px;height:24px}.benefits{display:flex;flex-direction:column;gap:.5rem}.benefit{display:flex;align-items:center;gap:.5rem;font-size:.9rem;color:var(--text-secondary)}.benefit svg{width:18px;height:18px;color:var(--accent);flex-shrink:0}.section-title{font-size:1.25rem;font-weight:600;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.section-title svg{width:24px;height:24px;color:var(--accent)}.video-section{margin-bottom:2rem}.youtube-link{display:inline-flex;align-items:center;gap:.5rem;color:var(--text-secondary);text-decoration:none;font-size:.9rem;margin-top:1rem;transition:color .2s}.youtube-link:hover{color:red;text-decoration:none}.youtube-link svg{width:20px;height:20px}.instructions-section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;margin-bottom:2rem}.steps{counter-reset:step}.step{display:flex;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--border)}.step:last-child{border-bottom:none;padding-bottom:0}.step:first-child{padding-top:0}.step-number{counter-increment:step;width:32px;height:32px;background:var(--bg-secondary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.9rem;color:var(--accent);flex-shrink:0}.step-number:before{content:counter(step)}.step-text{padding-top:.25rem;color:var(--text-secondary)}.step-text strong{color:var(--text-primary)}.faq-section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;margin-bottom:2rem}.faq-list{display:flex;flex-direction:column;gap:.5rem}.faq-item{border:1px solid var(--border);border-radius:8px;overflow:hidden}.faq-item summary{padding:1rem 1.25rem;cursor:pointer;font-weight:500;background:var(--bg-secondary);list-style:none;display:flex;justify-content:space-between;align-items:center;transition:background .2s}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";font-size:1.25rem;color:var(--accent);font-weight:300}.faq-item[open] summary:after{content:"−"}.faq-item summary:hover{background:var(--border)}.faq-item p{padding:1rem 1.25rem;color:var(--text-secondary);line-height:1.7;border-top:1px solid var(--border)}.faq-item p strong{color:var(--text-primary)}.related-section{margin-bottom:2rem}.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.related-link{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.25rem;color:var(--text-primary);text-decoration:none;font-weight:500;transition:border-color .2s,transform .2s;display:flex;align-items:center;gap:.5rem}.related-link:hover{border-color:var(--accent);transform:translateY(-2px);text-decoration:none}.related-link svg{width:18px;height:18px;color:var(--text-secondary)}footer{background:var(--bg-secondary);border-top:1px solid var(--border);padding:2rem 1.5rem;margin-top:4rem}.footer-inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.footer-links{display:flex;gap:1.5rem}.footer-links a{color:var(--text-secondary);text-decoration:none;font-size:.85rem}.footer-links a:hover{color:var(--text-primary)}.footer-copy{color:var(--text-secondary);font-size:.85rem}.hero{text-align:center;padding:3rem 0}.hero h1{font-size:2.5rem;font-weight:700;margin-bottom:1rem}.hero p{color:var(--text-secondary);font-size:1.1rem}.brand-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:1rem;margin-top:2rem}.brand-link{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;text-align:center;color:var(--text-primary);text-decoration:none;font-weight:500;transition:border-color .2s,transform .2s}.brand-link:hover{border-color:var(--accent);transform:translateY(-2px);text-decoration:none}.popular-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:.75rem;margin-top:1rem}.popular-link{color:var(--text-secondary);text-decoration:none;padding:.5rem 0;transition:color .2s}.popular-link:hover{color:var(--accent)}