*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:#172033;background:#f4f7fb;margin:0;font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button{font-family:inherit}.site{min-height:100vh}.navbar{z-index:10;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffffff0;border-bottom:1px solid #e5e7eb;justify-content:space-between;align-items:center;gap:18px;padding:14px 28px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:12px;display:flex}.brand-mark{color:#fff;letter-spacing:.5px;background:#111827;border-radius:14px;place-items:center;width:44px;height:44px;font-weight:800;display:grid}.brand strong{font-size:18px;display:block}.brand span{color:#6b7280;margin-top:2px;font-size:13px;display:block}.nav-links{color:#374151;gap:22px;font-weight:600;display:flex}.nav-account{align-items:center;gap:10px;display:flex}.nav-account span{color:#374151;font-weight:700}.nav-button,.hero-actions button,.ask-card button,.account-card button{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:999px;padding:11px 18px;font-weight:700;box-shadow:0 10px 20px #2563eb33}.nav-button:hover,.hero-actions button:hover,.ask-card button:hover,.account-card button:hover{background:#1d4ed8}.nav-button.secondary{background:#111827}.danger-button{color:#fff;cursor:pointer;border:none;border-radius:999px;padding:11px 18px;font-weight:700;background:#dc2626!important}.ask-card button:disabled,.account-card button:disabled{cursor:not-allowed;box-shadow:none;background:#9ca3af}.hero{grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);align-items:center;gap:38px;max-width:1180px;margin:0 auto;padding:72px 28px 40px;display:grid}.eyebrow{color:#1d4ed8;background:#e0ecff;border-radius:999px;margin-bottom:20px;padding:8px 13px;font-size:14px;font-weight:700;display:inline-flex}.hero h1{letter-spacing:-2px;color:#111827;margin:0;font-size:clamp(38px,6vw,66px);line-height:1.02}.hero p{color:#4b5563;max-width:670px;font-size:18px;line-height:1.7}.hero-actions{flex-wrap:wrap;align-items:center;gap:18px;margin-top:28px;display:flex}.hero-actions a{color:#2563eb;font-weight:700}.trust-row{flex-wrap:wrap;gap:10px;margin-top:28px;display:flex}.trust-row span{color:#374151;background:#fff;border:1px solid #e5e7eb;border-radius:999px;padding:8px 12px;font-size:14px;font-weight:700}.hero-card{background:linear-gradient(145deg,#111827,#1e3a8a);border-radius:28px;padding:18px;box-shadow:0 24px 60px #11182747}.mini-window{background:#fff;border-radius:22px;padding:22px}.window-dots{gap:7px;margin-bottom:20px;display:flex}.window-dots span{background:#d1d5db;border-radius:50%;width:10px;height:10px}.mini-window h3{margin:0 0 10px}.sample-question{background:#f3f4f6;border-radius:14px;padding:14px;font-weight:700;color:#111827!important}.sample-answer{border-left:4px solid #2563eb;margin-top:18px;padding-left:14px}.sample-answer p{color:#4b5563;margin-bottom:0;font-size:15px}.global-message{color:#9a3412;background:#fff7ed;border:1px solid #fed7aa;border-radius:14px;max-width:1180px;margin:0 auto 18px;padding:14px 16px}.account-section,.ask-section,.info-section,.pricing-section,.disclaimer{max-width:1180px;margin:0 auto;padding:48px 28px}.section-heading{text-align:center;margin-bottom:28px}.section-heading h2{color:#111827;letter-spacing:-1px;margin:0 0 10px;font-size:clamp(30px,4vw,44px)}.section-heading p{color:#6b7280;max-width:720px;margin:0 auto;font-size:17px;line-height:1.6}.auth-layout{max-width:560px;margin:0 auto}.auth-tabs{background:#fff;border:1px solid #e5e7eb;border-radius:999px;grid-template-columns:1fr 1fr;margin-bottom:16px;padding:6px;display:grid}.auth-tabs button{color:#374151;cursor:pointer;background:0 0;border:none;border-radius:999px;padding:12px;font-weight:800}.auth-tabs button.active{color:#fff;background:#111827}.account-card,.ask-card,.answer-panel,.step-card,.price-card,.disclaimer{background:#fff;border:1px solid #e5e7eb;border-radius:22px;box-shadow:0 14px 34px #0f172a14}.account-card{flex-direction:column;gap:16px;padding:24px;display:flex}.account-card h3{color:#111827;margin:0 0 8px}.account-card label,.ask-card label{color:#111827;flex-direction:column;gap:7px;font-weight:800;display:flex}.account-card input,.ask-card input,.ask-card textarea{border:1px solid #d1d5db;border-radius:14px;width:100%;padding:12px 14px;font-family:inherit;font-size:16px}.ask-card textarea{resize:vertical}.logged-in-card{max-width:560px;margin:0 auto}.logged-in-card p{color:#4b5563;line-height:1.8}.login-required{color:#1d4ed8;background:#eff6ff;border:1px solid #bfdbfe;border-radius:14px;padding:12px;font-weight:700}.ask-layout{grid-template-columns:minmax(300px,.85fr) minmax(0,1.15fr);gap:22px;display:grid}.ask-card{flex-direction:column;gap:16px;padding:22px;display:flex}.small-note{color:#6b7280;font-size:14px;line-height:1.5}.answer-panel{min-height:420px;padding:22px}.empty-answer{text-align:center;color:#6b7280;place-content:center;height:100%;min-height:340px;display:grid}.empty-answer h3{color:#111827;margin-bottom:8px}.answer-result h3{color:#111827;margin:0 0 12px}.answer-text{white-space:pre-wrap;color:#1f2937;background:#f9fafb;border:1px solid #e5e7eb;border-radius:16px;padding:16px;line-height:1.7}.source-list{grid-template-columns:1fr;gap:12px;display:grid}.source-card{background:#f9fafb;border:1px solid #e5e7eb;border-radius:16px;padding:14px}.source-card strong{color:#111827}.source-card p{color:#4b5563;margin-bottom:0;line-height:1.5}.steps-grid,.pricing-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;display:grid}.step-card,.price-card{padding:22px}.step-card span{color:#1d4ed8;background:#e0ecff;border-radius:13px;place-items:center;width:40px;height:40px;margin-bottom:14px;font-weight:900;display:grid}.step-card h3,.price-card h3{color:#111827;margin:0 0 10px}.step-card p,.price-card p,.price-card li{color:#6b7280;line-height:1.6}.pricing-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.price-card.featured{border:2px solid #2563eb;transform:translateY(-6px)}.price{margin:4px 0 8px;font-size:34px;font-weight:900;color:#111827!important}.price-card ul{margin-bottom:0;padding-left:18px}.disclaimer{margin-top:20px;margin-bottom:48px;padding:24px}.disclaimer h2{color:#111827;margin-top:0}.disclaimer p{color:#4b5563;margin-bottom:0;line-height:1.7}.footer{background:#fff;border-top:1px solid #e5e7eb;justify-content:space-between;gap:20px;padding:24px 28px;display:flex}.footer p{color:#6b7280;margin:4px 0 0}.footer-links{color:#374151;gap:18px;font-weight:700;display:flex}@media (width<=980px){.navbar{flex-direction:column;align-items:flex-start;gap:14px}.nav-links{flex-wrap:wrap;justify-content:space-between;width:100%}.nav-account{justify-content:space-between;width:100%}.nav-button{width:auto}.hero{grid-template-columns:1fr;padding-top:44px}.ask-layout,.steps-grid,.pricing-grid{grid-template-columns:1fr}.price-card.featured{transform:none}.footer{flex-direction:column}}@media (width<=560px){.navbar{padding:14px 18px}.nav-links{gap:10px;font-size:14px}.nav-account{flex-direction:column;align-items:stretch}.nav-button,.nav-button.secondary{width:100%}.hero,.account-section,.ask-section,.info-section,.pricing-section,.disclaimer{padding-left:18px;padding-right:18px}.hero h1{letter-spacing:-1px}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions button{width:100%}}.usage-card h3{margin:0 0 14px}@media (width<=560px){.usage-grid{grid-template-columns:1fr 1fr}}.section-row-usage{justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;display:flex}.section-row-usage h3{margin:0}.section-row-usage button{color:#fff;cursor:pointer;background:#111827;border:none;border-radius:999px;padding:9px 14px;font-weight:700}.section-row-usage button:disabled{cursor:not-allowed;background:#9ca3af}.usage-card{background:#f9fafb;border:1px solid #e5e7eb;border-radius:18px;padding:18px}.usage-grid{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.usage-grid div{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:12px}.usage-grid span{color:#6b7280;margin-bottom:5px;font-size:13px;display:block}.usage-grid strong{color:#111827;font-size:18px}.usage-bar{background:#e5e7eb;border-radius:999px;height:12px;margin-top:14px;overflow:hidden}.usage-bar div{background:#2563eb;border-radius:999px;height:100%}.limit-warning{color:#b91c1c;margin-top:12px;font-weight:700}.mini-usage{color:#111827;background:#f3f4f6;border-radius:14px;padding:14px}.mini-usage p{margin-bottom:0;font-size:15px}@media (width<=560px){.usage-grid{grid-template-columns:1fr 1fr}.section-row-usage{flex-direction:column;align-items:flex-start}}.catalog-select-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.catalog-select-grid select{width:100%}.register-locked{color:#9a3412;background:#fff7ed;border:1px solid #fed7aa;border-radius:14px;padding:12px 14px;font-weight:700;line-height:1.4}@media (width<=700px){.catalog-select-grid{grid-template-columns:1fr}}