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(width<=1100px){.landing-nav-links,.landing-pref-controls,.landing-nav-login,.landing-nav-cta{display:none}.landing-menu-btn{display:grid}.landing-nav-actions{margin-inline-start:auto}.landing-mobile-menu{inset-inline:0;z-index:40;display:block;position:absolute;top:100%}.landing-mobile-backdrop{z-index:39;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0206178c;border:0;position:fixed;inset:0}.landing-mobile-panel{z-index:41;margin:0 var(--space-3) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#0b0d14f7;gap:4px;padding:12px;display:grid;position:relative;box-shadow:0 18px 48px #00000059}[data-theme=light] .landing-mobile-panel{background:#fffffffa}.landing-mobile-panel a{color:var(--color-text);border-radius:12px;padding:12px 14px;font-size:.95rem;font-weight:700;text-decoration:none;display:block}.landing-mobile-panel a:hover,.landing-mobile-panel a:focus-visible{color:var(--color-accent);background:#facc151a}.landing-mobile-prefs{border-top:1px solid var(--color-border);grid-template-columns:1fr 1fr;gap:8px;margin-top:6px;padding-top:10px;display:grid}.landing-mobile-prefs .landing-pref-select,.landing-mobile-prefs .landing-pref-toggle{width:100%;min-height:44px}.landing-mobile-actions{grid-template-columns:1fr 1fr;gap:8px;margin-top:4px;display:grid}.landing-mobile-actions .ghost-button,.landing-mobile-actions .primary-button{width:100%;min-height:44px}.landing-hero-inner{text-align:center;gap:var(--space-4);grid-template-columns:1fr}.landing-lead{margin-inline:auto}.landing-hero-actions{justify-content:center}.landing-hero-actions .primary-button,.landing-hero-actions .secondary-button{flex:140px;min-height:48px}.landing-hero-visual{order:2}.landing-hero-copy{order:1}.landing-hero-stage{transform-origin:top;margin-bottom:-40px;transform:scale(.78)}.landing-hero-preview{max-width:300px}.landing-feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width>=841px) and (width<=1100px){.landing-nav-inner{gap:12px;padding-inline:18px}.landing-hero{padding-top:var(--space-5)}.landing-hero-inner{text-align:center;grid-template-columns:1fr;max-width:760px}.landing-lead{margin-inline:auto}.landing-hero-actions{justify-content:center}.landing-hero-copy{order:1}.landing-hero-visual{order:2}.landing-hero-stage{transform-origin:top;margin-bottom:-36px;transform:scale(.82)}}@media (width<=640px){.landing-nav-inner{padding-inline:var(--space-3);gap:10px}.landing-brand-text span{display:none}.landing-hero{padding:var(--space-4) var(--space-3) var(--space-4)}.landing-headline{font-size:clamp(1.7rem,7.5vw,2.2rem)}.landing-lead{font-size:.95rem}.landing-hero-actions{flex-direction:column}.landing-hero-actions .primary-button,.landing-hero-actions .secondary-button{flex:none;width:100%}.landing-hero-stage{margin-bottom:-56px;transform:scale(.68)}.landing-preview-tag{font-size:.75rem}.landing-feature-grid{grid-template-columns:1fr}.landing-cta-inner{text-align:center;justify-content:center}.landing-cta-actions{flex-direction:column;justify-content:center;width:100%}.landing-cta-actions .primary-button,.landing-cta-actions .secondary-button{width:100%;min-height:48px}.landing-section{padding-inline:var(--space-3)}}.arch-ai-panel{gap:var(--space-4);color:var(--color-text);display:grid}.arch-ai-header{justify-content:space-between;align-items:flex-start;gap:var(--space-3);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-surface-soft);display:flex}.arch-ai-header h3,.arch-ai-header p{margin:0}.arch-ai-header p{margin-top:var(--space-1);color:var(--color-text-muted);font-size:.84rem;line-height:1.6}.arch-ai-cards{gap:var(--space-2);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.arch-ai-card{padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface)}.arch-ai-card span{color:var(--color-text-muted);font-size:.76rem;display:block}.arch-ai-card strong{margin-top:var(--space-1);font-size:.96rem;display:block}.arch-ai-section{border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-surface);overflow:hidden}.arch-ai-section>summary{cursor:pointer;padding:var(--space-3) var(--space-4);font-weight:700;list-style:none}.arch-ai-section>summary::-webkit-details-marker{display:none}.arch-ai-section>:not(summary){margin-inline:var(--space-4)}.arch-ai-section>button{margin-bottom:var(--space-3)}.arch-ai-table-wrap{margin-bottom:var(--space-4);overflow-x:auto}.arch-ai-table{border-collapse:collapse;width:100%;min-width:520px;font-size:.78rem}.arch-ai-table th,.arch-ai-table td{padding:var(--space-2);border-bottom:1px solid var(--color-border);text-align:start;vertical-align:top}.arch-ai-table th{color:var(--color-text-muted);font-weight:700}.arch-ai-empty{margin-block:0 var(--space-4);color:var(--color-text-muted);font-size:.82rem}.arch-ai-wallet-row,.arch-ai-review-row{align-items:center;gap:var(--space-2);margin-bottom:var(--space-3);flex-wrap:wrap;display:flex}.arch-ai-wallet-row input,.arch-ai-review-row input{flex:1;min-width:0}.arch-ai-dashboard-grid{gap:var(--space-2);margin-bottom:var(--space-3);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.arch-ai-dashboard-grid span{padding:var(--space-2);border-radius:var(--radius-md);background:var(--color-surface-soft);color:var(--color-text-muted);font-size:.78rem}@media (width<=640px){.arch-ai-header{flex-direction:column}.arch-ai-cards,.arch-ai-dashboard-grid{grid-template-columns:1fr}}