:root{--color-primary: #004a99;--color-secondary: #1a1a1a;--color-bg: #f5f7fa;--color-surface: #FFFFFF;--color-text: #1A1A1A;--color-text-muted: #666666;--font-header: "Marcellus", serif;--font-body: "Figtree", sans-serif;--shadow-premium: 0 10px 30px rgba(0, 0, 0, .05);--border-radius: 12px;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-body);background-color:var(--color-bg);color:var(--color-text);line-height:1.6;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-family:var(--font-header);font-weight:400;color:var(--color-secondary)}.container{max-width:900px;margin:0 auto;padding:2rem;flex:1}.card{background:var(--color-surface);border-radius:var(--border-radius);padding:2.5rem;box-shadow:var(--shadow-premium);border:1px solid rgba(0,74,153,.1)}.btn-primary{background-color:var(--color-primary);color:#fff;border:none;padding:.8rem 1.5rem;border-radius:8px;font-family:var(--font-body);font-weight:600;cursor:pointer;transition:var(--transition)}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px 15px #004a994d}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background-color:transparent;color:var(--color-primary);border:1px solid var(--color-primary);padding:.8rem 1.5rem;border-radius:8px;font-family:var(--font-body);font-weight:600;cursor:pointer;transition:var(--transition)}.input-group{margin-bottom:1.5rem}label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--color-text-muted);font-size:.9rem}input,select,textarea{width:100%;padding:.8rem;border:1px solid #E0E0E0;border-radius:8px;font-family:var(--font-body);font-size:1rem;transition:var(--transition)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #004a991a}.app-wrapper{min-height:100vh;display:flex;flex-direction:column}.navbar{background:var(--color-surface);box-shadow:0 2px 10px #0000000d;padding:.5rem 1rem;position:sticky;top:0;z-index:100;height:70px;display:flex;align-items:center}.navbar-container{display:flex;justify-content:space-between;align-items:center;width:100%;max-width:1200px;margin:0 auto}.navbar-brand{display:flex;align-items:center;gap:.75rem}.navbar-logo{height:45px;width:auto;object-fit:contain}.navbar-title{font-family:var(--font-header);font-size:1.25rem;font-weight:600;color:var(--color-primary)}.step-indicator{display:flex;justify-content:space-between;margin-bottom:3rem;position:relative;max-width:400px;margin-left:auto;margin-right:auto}.step-indicator:before{content:"";position:absolute;top:50%;left:0;right:0;height:2px;background:#e2e8f0;transform:translateY(-50%);z-index:0}.step-dot{width:36px;height:36px;border-radius:50%;background:#fff;border:2px solid #E2E8F0;display:flex;align-items:center;justify-content:center;z-index:1;font-weight:600;font-size:.9rem;color:#94a3b8;transition:var(--transition)}.step-dot.active{border-color:var(--color-primary);color:var(--color-primary);background:#fff;box-shadow:0 0 0 4px #004a991a}.input-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-bottom:2rem}.product-info-box{background:#f1f5f9;padding:1.25rem;border-radius:10px;margin-bottom:2rem;border-left:5px solid var(--color-primary)}.price-tiers{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.25rem;margin-bottom:2rem}.price-tier{padding:2rem 1.5rem;border:2px solid #E2E8F0;border-radius:16px;text-align:center;display:flex;flex-direction:column;gap:.75rem;transition:var(--transition);cursor:pointer;background:#fff}.price-tier:hover{border-color:var(--color-primary);transform:translateY(-4px)}.price-tier.active{border-color:var(--color-primary);background:#004a9908;box-shadow:0 10px 25px -5px #004a991a}.total-display{text-align:right;font-size:1.75rem;font-weight:800;color:var(--color-secondary);padding-top:1.5rem;border-top:2px solid #E2E8F0;margin-top:1rem}.specs-grid{background:#f8fafc;padding:1.5rem;border-radius:12px;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-bottom:2rem;border:1px solid #E2E8F0}.spec-item span{font-weight:700;color:var(--color-primary);display:block;font-size:.8rem;text-transform:uppercase;margin-bottom:.25rem}.actions{display:flex;justify-content:space-between;align-items:center;gap:1rem}.actions.end{justify-content:flex-end}.actions.center{justify-content:center}.hidden-mobile{display:flex}.visible-mobile{display:none}.full-width{width:100%}.login-overlay{position:fixed;top:0;left:0;right:0;bottom:0;z-index:1000;display:flex;justify-content:center;align-items:center;background:linear-gradient(135deg,#004a99cc,#1a1a1ae6);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.login-modal{background:#fff;padding:3.5rem 2.5rem;border-radius:20px;box-shadow:0 25px 50px -12px #00000080;width:90%;max-width:400px;text-align:center;animation:slideDown .5s cubic-bezier(.16,1,.3,1);border:1px solid rgba(255,255,255,.2)}.login-logo{height:110px;margin-bottom:2rem;filter:drop-shadow(0 4px 6px rgba(0,0,0,.1))}.login-form{text-align:left}.error-message{color:#ef4444;margin-bottom:1.5rem;font-size:.85rem;font-weight:600;background:#fef2f2;padding:.75rem;border-radius:8px;border:1px solid #fee2e2}.blurred-content{filter:blur(20px);pointer-events:none;opacity:.3;transition:all .5s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.animate-fade-in{animation:fadeIn .5s ease-out}@media (max-width: 768px){.hidden-mobile{display:none!important}.visible-mobile{display:flex!important;align-items:center;justify-content:center}.navbar{height:60px;padding:0 1rem}.navbar-logo{height:35px}.navbar-title{font-size:1.1rem}.container{padding:1rem}.card{padding:1.5rem}.login-modal{padding:2.5rem 1.5rem}}@media (max-width: 640px){.price-tiers{grid-template-columns:1fr}.actions{flex-direction:column-reverse}.actions button{width:100%}}