:root{--text:#334155;--text-muted:#64748b;--text-heading:#0f172a;--bg:#f8fafc;--bg-card:#ffffff;--border:#e2e8f0;--accent:#2563eb;--accent-glow:rgba(37,99,235,0.1);--gold:#f59e0b;--gold-glow:rgba(245,158,11,0.1)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Inter,system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}.nav-brand,h1,h2,h3,h4{font-family:Outfit,system-ui,sans-serif;color:var(--text-heading)}.container{max-width:1200px;margin:0 auto;padding:0 24px}a{color:var(--accent);text-decoration:none;transition:.2s ease}.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.9);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:16px 0}.nav-inner{display:flex;justify-content:space-between;align-items:center}.nav-brand{font-size:24px;font-weight:800;color:var(--accent);letter-spacing:-.5px}.nav-links{display:flex;align-items:center;gap:32px}.nav-link{font-size:15px;font-weight:500;color:var(--text)}.nav-link:hover{color:var(--accent)}.nav-cta{background:var(--accent);border:1px solid var(--accent);padding:10px 24px;border-radius:8px;font-weight:600;font-size:14px;color:#fff;transition:all .2s ease;box-shadow:0 4px 12px var(--accent-glow)}.nav-cta:hover{background:#1d4ed8;color:#fff;transform:translateY(-1px)}.hero{padding:160px 0 80px;position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--border)}.hero-content{max-width:900px;margin:0 auto;text-align:center}.badge{display:inline-block;padding:6px 16px;border-radius:20px;font-size:12px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;background:var(--accent-glow);color:var(--accent)}.badge,.hero h1{margin-bottom:24px}.hero h1{font-size:4rem;font-weight:800;line-height:1.15;letter-spacing:-.03em}.hero h1 span{color:var(--accent)}.hero p{font-size:1.25rem;color:var(--text-muted);margin-bottom:40px;max-width:700px;margin-inline:auto}.hero-actions{display:flex;justify-content:center;gap:16px}.btn-primary{display:inline-block;background:var(--accent);color:#fff;padding:16px 32px;border-radius:8px;font-weight:600;font-size:16px;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 14px var(--accent-glow);cursor:pointer;border:none}.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 10px 20px var(--accent-glow)}.btn-secondary{display:inline-block;background:#fff;border:1px solid var(--border);color:var(--text-heading);padding:16px 32px;border-radius:8px;font-weight:600;font-size:16px;transition:background .2s;cursor:pointer}.btn-secondary:hover{background:var(--bg)}.metrics{border-bottom:1px solid var(--border);background:#fff;padding:40px 0}.metrics-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:40px;gap:40px;text-align:center}.metric-value{font-size:3rem;font-weight:800;font-family:Outfit;color:var(--accent);margin-bottom:8px}.metric-label{font-size:14px;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);font-weight:600}.section{padding:100px 0;position:relative}.section-header{text-align:center;margin-bottom:60px;max-width:700px;margin-inline:auto}.section-header h2{font-size:2.8rem;margin-bottom:20px;letter-spacing:-.02em}.section-header p{color:var(--text-muted);font-size:1.1rem}.model-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:24px;gap:24px}.model-card{position:relative;background:var(--bg-card);border:1px solid var(--border);padding:40px 32px;border-radius:16px;overflow:hidden;transition:all .3s;box-shadow:0 4px 6px -1px rgba(0,0,0,.02)}.model-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 20px 40px -12px rgba(37,99,235,.15)}.model-step{font-family:Outfit;font-size:4rem;font-weight:800;color:var(--bg);position:absolute;right:20px;top:10px;line-height:1;transition:color .3s;z-index:0;pointer-events:none}.model-card:hover .model-step{color:var(--accent-glow)}.model-card h3{font-size:1.5rem;margin-bottom:16px;position:relative;z-index:1}.model-card p{color:var(--text-muted);font-size:15px;line-height:1.7;position:relative;z-index:1}.criteria{background:#fff;border-top:1px solid var(--border)}.criteria-content{display:grid;grid-template-columns:1fr 1fr;grid-gap:80px;gap:80px;align-items:center}.criteria-text h2{font-size:2.8rem;margin-bottom:24px;letter-spacing:-.02em;line-height:1.1}.criteria-text p{color:var(--text-muted);font-size:1.1rem;margin-bottom:32px}.check-list{list-style:none;margin:0;padding:0}.check-list li{position:relative;padding-left:36px;margin-bottom:20px;color:var(--text-heading);font-size:16px;font-weight:500}.check-list li:before{content:"✓";position:absolute;left:0;top:0;width:24px;height:24px;background:var(--accent-glow);color:var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.criteria-box{background:var(--bg);border:1px solid var(--border);padding:40px;border-radius:16px}.criteria-box h4{font-size:1.2rem;margin-bottom:24px;padding-bottom:16px}.criteria-box h4,.stat-row{border-bottom:1px solid var(--border)}.stat-row{display:flex;justify-content:space-between;padding:16px 0}.stat-row:last-child{border-bottom:none;padding-bottom:0}.stat-name{color:var(--text-muted);font-size:14px}.stat-val{color:var(--text-heading);font-weight:700;font-family:Outfit}.cta-section{background:var(--bg);text-align:center;padding:100px 0;position:relative;border-top:1px solid var(--border)}.form-container{background:#fff;border:1px solid var(--border);border-radius:16px;padding:40px;position:relative;overflow:hidden;box-shadow:0 20px 40px -12px rgba(0,0,0,.1);text-align:left}.progress-bar{position:absolute;top:0;left:0;right:0;height:4px;background:var(--border)}.progress-fill{height:100%;background:var(--accent);transition:width .4s ease}.step-content{animation:fadeIn .4s ease}.step-content h3{font-size:2rem;color:var(--text-heading);margin-bottom:8px;font-family:Outfit,sans-serif;letter-spacing:-.02em}.step-subtitle{color:var(--text-muted);font-size:1.1rem;margin-bottom:32px}.options-grid{display:flex;flex-direction:column;gap:16px;margin-bottom:24px}.option-btn{background:#fff;border:1px solid var(--border);padding:18px 24px;border-radius:12px;color:var(--text-heading);font-size:16px;font-weight:600;cursor:pointer;transition:all .2s;text-align:left;font-family:Inter,sans-serif;box-shadow:0 2px 4px rgba(0,0,0,.02);display:flex;align-items:center;justify-content:space-between;width:100%}.option-btn:after{content:"→";opacity:0;transform:translateX(-10px);transition:all .3s;color:var(--accent)}.option-btn:hover{background:var(--bg);border-color:var(--accent);color:var(--accent);box-shadow:0 8px 16px rgba(37,99,235,.05);transform:translateY(-2px)}.option-btn:hover:after{opacity:1;transform:translateX(0)}.option-btn.selected{background:var(--accent-glow);border-color:var(--accent);color:var(--accent)}.option-btn.selected:after{opacity:1;transform:translateX(0)}.input-group{margin-bottom:24px}.input-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:0 24px;gap:0 24px}.input-group label{display:block;color:var(--text-muted);font-size:14px;margin-bottom:8px;font-weight:500}.form-input{width:100%;background:#fff;border:1px solid var(--border);padding:16px 20px;border-radius:8px;color:var(--text-heading);font-size:16px;font-family:Inter,sans-serif;transition:all .2s;outline:none;box-shadow:0 2px 4px rgba(0,0,0,.02)}.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.custom-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer}.form-actions{display:flex;align-items:center;justify-content:flex-start;gap:24px;margin-top:32px}.form-actions.space-between{justify-content:space-between;gap:0}.btn-text{background:none;border:none;color:var(--text-muted);font-size:15px;font-weight:600;cursor:pointer;transition:color .2s;padding:10px 0}.btn-text:hover{color:var(--accent)}.btn-primary-small{background:var(--accent);color:#fff;padding:12px 24px;border-radius:8px;font-weight:700;font-size:15px;cursor:pointer;border:none;transition:transform .2s,background .2s}.btn-primary-small:hover{transform:translateY(-2px);background:#1d4ed8}.btn-primary-small:disabled{opacity:.5;cursor:not-allowed;transform:none}.submit-btn{background:var(--accent);color:#fff}.success-step{text-align:center;padding:40px 0}.success-icon{width:64px;height:64px;background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.3);color:#22c55e;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:32px;margin:0 auto 24px}.reset-btn{margin-top:32px;border:1px solid var(--accent);color:var(--accent);background:transparent}.reset-btn:hover{background:var(--accent-glow)}footer{border-top:1px solid var(--border);padding:40px 0;text-align:center;color:var(--text-muted);font-size:14px;background:#fff}@media (max-width:900px){.hero{padding:120px 0 60px}.hero h1{font-size:2.5rem}.criteria-content,.metrics-grid,.model-grid{grid-template-columns:1fr}.nav-links{display:none}.criteria-content{gap:40px}.hero>.container{grid-template-columns:1fr!important}.hero-content{text-align:center!important}.hero-actions{justify-content:center!important}}@media (max-width:600px){.input-grid{grid-template-columns:1fr}.form-container{padding:32px 24px}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}