:root{--qc-font:"Segoe UI",system-ui,-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;--qc-bg:#fafafa;--qc-bg-elevated:#ffffff;--qc-bg-subtle:#f4f4f5;--qc-bg-muted:#ececef;--qc-border:#e4e4e7;--qc-border-strong:#d4d4d8;--qc-text:#18181b;--qc-text-secondary:#52525b;--qc-text-muted:#71717a;--qc-text-inverse:#fafafa;--qc-primary:#4f46e5;--qc-primary-hover:#4338ca;--qc-primary-subtle:#eef2ff;--qc-primary-border:#c7d2fe;--qc-accent:#6366f1;--qc-success:#059669;--qc-success-bg:#ecfdf5;--qc-warning:#d97706;--qc-warning-bg:#fffbeb;--qc-warning-text:#92400e;--qc-error:#dc2626;--qc-error-bg:#fef2f2;--qc-space-1:4px;--qc-space-2:8px;--qc-space-3:12px;--qc-space-4:16px;--qc-space-5:20px;--qc-space-6:24px;--qc-space-8:32px;--qc-space-10:40px;--qc-space-12:48px;--qc-space-16:64px;--qc-text-xs:12px;--qc-text-sm:14px;--qc-text-base:16px;--qc-text-md:17px;--qc-text-lg:20px;--qc-text-xl:24px;--qc-text-2xl:28px;--qc-radius-sm:6px;--qc-radius-md:8px;--qc-radius-lg:12px;--qc-radius-xl:14px;--qc-radius-pill:999px;--qc-shadow-sm:0 1px 2px rgba(24,24,27,0.04),0 1px 3px rgba(24,24,27,0.06);--qc-shadow-md:0 0 0 1px rgba(24,24,27,0.04),0 8px 24px rgba(24,24,27,0.1),0 2px 6px rgba(24,24,27,0.04);--qc-shadow-lg:0 16px 40px rgba(24,24,27,0.14);--qc-ease:cubic-bezier(0.2,0.8,0.2,1);--qc-max-width:1120px}@media (prefers-color-scheme:dark){:root{--qc-bg:#18181b;--qc-bg-elevated:#1f1f23;--qc-bg-subtle:#27272a;--qc-bg-muted:#2e2e33;--qc-border:#3f3f46;--qc-border-strong:#52525b;--qc-text:#fafafa;--qc-text-secondary:#a1a1aa;--qc-text-muted:#71717a;--qc-text-inverse:#18181b;--qc-primary:#818cf8;--qc-primary-hover:#a5b4fc;--qc-primary-subtle:rgba(99,102,241,0.16);--qc-primary-border:rgba(129,140,248,0.35);--qc-accent:#a5b4fc;--qc-success-bg:rgba(5,150,105,0.18);--qc-warning-bg:rgba(217,119,6,0.18);--qc-warning-text:#fcd34d;--qc-error-bg:rgba(220,38,38,0.18);--qc-shadow-sm:0 1px 2px rgba(0,0,0,0.35);--qc-shadow-md:0 0 0 1px rgba(255,255,255,0.04),0 12px 32px rgba(0,0,0,0.45);--qc-shadow-lg:0 20px 48px rgba(0,0,0,0.55)}}*,:after,:before{box-sizing:border-box}html{scroll-behavior:smooth;min-height:100%}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{margin:0;min-height:100dvh;font-family:var(--qc-font);font-size:var(--qc-text-base);line-height:1.6;color:var(--qc-text);background:var(--qc-bg);-webkit-font-smoothing:antialiased}a{color:var(--qc-primary);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.container{width:min(100% - var(--qc-space-8),var(--qc-max-width));margin-inline:auto}.section{padding-block:var(--qc-space-16)}.section-label{margin:0 0 var(--qc-space-3);font-size:var(--qc-text-xs);font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--qc-primary)}.section-title{margin:0 0 var(--qc-space-4);font-size:clamp(1.75rem,4vw,2.25rem);font-weight:700;line-height:1.15;letter-spacing:-.02em}.section-lead{margin:0;max-width:52ch;color:var(--qc-text-secondary);font-size:var(--qc-text-md)}.legal-doc{max-width:720px;margin:0 auto;padding:var(--qc-space-12) var(--qc-space-4)}.legal-doc h1{font-size:2rem;margin-bottom:var(--qc-space-6)}.legal-doc h2{font-size:1.125rem;margin-top:var(--qc-space-8);margin-bottom:var(--qc-space-3)}.legal-doc li,.legal-doc p{color:var(--qc-text-secondary)}.legal-doc ul{padding-left:1.25rem}.legal-doc table{width:100%;border-collapse:collapse;margin:var(--qc-space-4) 0;font-size:var(--qc-text-sm)}.legal-doc td,.legal-doc th{border:1px solid var(--qc-border);padding:var(--qc-space-3) var(--qc-space-4);text-align:left;vertical-align:top}.legal-doc th{background:var(--qc-bg-muted);color:var(--qc-text);font-weight:600}.legal-doc td{color:var(--qc-text-secondary)}.page-center{min-height:60vh;display:flex;align-items:center;justify-content:center;padding:var(--qc-space-12) var(--qc-space-4)}.auth-callback{text-align:center;color:var(--qc-text-muted)}