:root{--surface-canvas:#f8fafc;--surface-layer0:#fff;--surface-layer1:#f1f5f9;--surface-layer2:#e2e8f0;--surface-raised:#fff;--surface-overlay:rgba(0,0,0,.5);--surface-glass:hsla(0,0%,100%,.78);--text-primary:#0f172a;--text-secondary:#334155;--text-muted:#64748b;--text-on-accent:#fff;--text-inverse:#f8fafc;--text-placeholder:#64748b;--accent-primary:#4e6ee1;--accent-primary-hover:#3d5dd4;--accent-primary-active:#2f4cc7;--accent-primary-soft:rgba(78,110,225,.12);--accent-info:#3aa0ff;--accent-highlight:#c084fc;--state-success:#16a34a;--state-warning:#ffb020;--state-danger:#ef4444;--state-neutral:#94a3b8;--border-hairline:rgba(15,23,42,.08);--border-subtle:#e2e8f0;--border-strong:#cbd5e1;--border-focus:rgba(78,110,225,.65);--integrity-green:#22c55e;--integrity-yellow:#f59e0b;--integrity-red:#ef4444;--gradient-brand-start:#4f6bff;--gradient-brand-end:#7ea0ff;--font-ui:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-display:"Space Grotesk","Inter",sans-serif;--font-mono:"JetBrains Mono","Fira Code",monospace;--text-xs:12px;--text-sm:14px;--text-md:16px;--text-lg:20px;--text-xl:24px;--text-xxl:32px;--text-display:40px;--text-mega:56px;--leading-xs:18px;--leading-sm:20px;--leading-md:24px;--leading-lg:28px;--leading-xl:32px;--leading-xxl:40px;--leading-display:48px;--leading-mega:64px;--space-0:0px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-7:32px;--space-8:40px;--space-9:48px;--space-10:56px;--space-11:72px;--radius-none:0px;--radius-xs:4px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-pill:999px;--shadow-raised:0 8px 16px rgba(15,23,42,.25);--shadow-overlay:0 16px 24px rgba(8,12,20,.35);--max-width-reading:720px;--max-width-content:1240px;--gutter-mobile:16px;--gutter-tablet:24px;--gutter-desktop:32px;--margin-mobile:20px;--margin-tablet:32px;--margin-desktop:40px}@media (prefers-color-scheme:dark){:root{--surface-canvas:#0f172a;--surface-layer0:#1e293b;--surface-layer1:#273449;--surface-layer2:#3b465c;--surface-raised:#3b465c;--surface-overlay:hsla(0,0%,100%,.3);--surface-glass:rgba(15,23,42,.72);--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#7b8ca5;--text-on-accent:#fff;--text-inverse:#0f172a;--text-placeholder:#7b8ca5;--accent-primary:#5878eb;--accent-primary-hover:#6988ef;--accent-primary-active:#7a98f3;--accent-primary-soft:rgba(88,120,235,.18);--accent-info:#62b5ff;--accent-highlight:#d6a5ff;--state-success:#22c55e;--state-warning:#fbbf24;--state-danger:#ef4444;--state-neutral:#475569;--border-hairline:rgba(148,163,184,.16);--border-subtle:#334155;--border-strong:#475569;--border-focus:rgba(88,120,235,.75);--gradient-brand-start:#7ea0ff;--gradient-brand-end:#95b4ff}}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-ui);font-size:var(--text-md);line-height:var(--leading-md);color:var(--text-primary);background-color:var(--surface-canvas);min-height:100vh}a{color:var(--accent-primary);text-decoration:none;transition:color .15s ease}a:hover{color:var(--accent-primary-hover);text-decoration:underline}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--border-focus);outline-offset:2px;border-radius:var(--radius-sm)}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:600;color:var(--text-primary)}h1{font-size:var(--text-xxl);line-height:var(--leading-xxl)}h2{font-size:var(--text-xl);line-height:var(--leading-xl)}h3{font-size:var(--text-lg);line-height:var(--leading-lg)}ol,p,ul{margin-bottom:var(--space-4)}ol,ul{padding-left:var(--space-6)}li{margin-bottom:var(--space-2)}.container{width:100%;max-width:var(--max-width-content);margin:0 auto;padding:0 var(--margin-mobile)}@media (min-width:768px){.container{padding:0 var(--margin-tablet)}}@media (min-width:1024px){.container{padding:0 var(--margin-desktop)}}.content-narrow{max-width:var(--max-width-reading)}.header{position:-webkit-sticky;position:sticky;top:0;z-index:10;background:var(--surface-glass);border-bottom:1px solid var(--border-subtle);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.header-inner{justify-content:space-between;height:64px}.header-inner,.logo{display:flex;align-items:center}.logo{gap:var(--space-2);font-family:var(--font-display);font-size:var(--text-xl);font-weight:700;color:var(--text-primary)}.logo,.logo:hover{text-decoration:none}.logo-icon{width:32px;height:32px;display:block;border-radius:50%;flex:none;box-shadow:0 12px 26px rgba(15,23,42,.18),0 0 0 1px rgba(148,163,184,.14)}.nav{display:flex;align-items:center;gap:var(--space-6)}.nav-link{font-size:var(--text-sm);font-weight:500;color:var(--text-secondary);transition:color .15s ease}.nav-link:hover{color:var(--text-primary);text-decoration:none}.nav-link.active{color:var(--accent-primary)}@media (max-width:640px){.nav{gap:var(--space-4);overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}.nav::-webkit-scrollbar{display:none}.nav-link{font-size:var(--text-xs)}}.footer{margin-top:auto;padding:var(--space-8) 0;background:var(--surface-layer0);border-top:1px solid var(--border-subtle)}.footer-inner{display:flex;flex-direction:column;gap:var(--space-6)}@media (min-width:768px){.footer-inner{flex-direction:row;justify-content:space-between;align-items:center}}.footer-links{display:flex;gap:var(--space-6);flex-wrap:wrap}.footer-link{font-size:var(--text-sm);color:var(--text-secondary)}.footer-copyright{font-size:var(--text-sm);color:var(--text-muted)}.main{flex:1 1;padding:var(--space-8) 0}.hero{position:relative;isolation:isolate;padding:var(--space-11) 0;overflow:hidden}.hero:before{inset:0;background:radial-gradient(820px 280px at 18% 18%,rgba(79,107,255,.2),transparent 60%),radial-gradient(760px 260px at 82% 12%,rgba(192,132,252,.18),transparent 55%)}.hero:after,.hero:before{content:"";position:absolute;pointer-events:none;z-index:-1}.hero:after{inset:-2px;background:repeating-linear-gradient(90deg,rgba(148,163,184,.08),rgba(148,163,184,.08) 1px,transparent 0,transparent 72px),repeating-linear-gradient(0deg,rgba(148,163,184,.06),rgba(148,163,184,.06) 1px,transparent 0,transparent 72px);opacity:.4;-webkit-mask-image:radial-gradient(circle at 35% 15%,#000,transparent 62%);mask-image:radial-gradient(circle at 35% 15%,#000,transparent 62%)}.hero-inner{display:grid;grid-gap:var(--space-9);gap:var(--space-9);align-items:center}.hero-content{text-align:center;max-width:680px;margin:0 auto}.hero-pill{display:inline-flex;align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-4);border-radius:var(--radius-pill);border:1px solid var(--border-hairline);background:var(--surface-glass);color:var(--text-secondary);font-size:var(--text-xs);letter-spacing:.08em;text-transform:uppercase;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 18px 40px rgba(15,23,42,.1);margin-bottom:var(--space-6)}.hero-pill-dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--gradient-brand-start),var(--accent-highlight));box-shadow:0 0 0 4px rgba(79,107,255,.12),0 0 24px rgba(79,107,255,.38);flex:none}.hero-title{font-size:var(--text-display);line-height:var(--leading-display);margin-bottom:var(--space-4);background:linear-gradient(135deg,var(--gradient-brand-start),var(--gradient-brand-end));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}@media (min-width:768px){.hero-title{font-size:var(--text-mega);line-height:var(--leading-mega)}}.hero-subtitle{font-size:var(--text-lg);line-height:var(--leading-lg);color:var(--text-secondary);max-width:600px;margin:0 auto var(--space-7)}.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-3);margin-bottom:var(--space-6)}.app-badges-left{justify-content:center;margin-top:var(--space-5)}.hero-highlights{display:grid;grid-template-columns:1fr;grid-gap:var(--space-3);gap:var(--space-3);margin-top:var(--space-7)}@media (min-width:560px){.hero-highlights{grid-template-columns:repeat(3,minmax(0,1fr))}}.hero-highlight{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4);border-radius:var(--radius-lg);border:1px solid var(--border-hairline);background:linear-gradient(180deg,hsla(0,0%,100%,.72),hsla(0,0%,100%,.42));-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 14px 30px rgba(15,23,42,.08);color:var(--text-primary)}@media (prefers-color-scheme:dark){.hero-highlight{background:linear-gradient(180deg,rgba(15,23,42,.64),rgba(15,23,42,.38))}}.hero-highlight-icon{width:36px;height:36px;border-radius:var(--radius-md);display:inline-flex;align-items:center;justify-content:center;background:rgba(79,107,255,.12);border:1px solid rgba(79,107,255,.22);box-shadow:0 0 22px rgba(79,107,255,.18);flex:none}.hero-note{margin-top:var(--space-7);color:var(--text-muted);font-size:var(--text-sm);line-height:var(--leading-sm);max-width:62ch}.hero-note a{color:var(--text-primary);text-decoration:underline;-webkit-text-decoration-color:rgba(79,107,255,.35);text-decoration-color:rgba(79,107,255,.35);text-underline-offset:3px}.hero-visual,.viz-stack{width:100%;max-width:520px;margin:0 auto}.viz-stack{position:relative;aspect-ratio:5/4;perspective:1400px}.viz-card{position:absolute;inset:0;border-radius:var(--radius-xl);border:1px solid var(--border-hairline);background:radial-gradient(500px 240px at 20% 10%,rgba(79,107,255,.18),transparent 60%),radial-gradient(520px 260px at 85% 20%,rgba(192,132,252,.14),transparent 58%),var(--surface-glass);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 20px 50px rgba(15,23,42,.14);overflow:hidden}.viz-card:after{content:"";position:absolute;inset:-40% -30%;background:linear-gradient(120deg,transparent 30%,hsla(0,0%,100%,.18) 45%,transparent 60%);transform:translateX(-40%) rotate(12deg);animation:viz-sheen 7s ease-in-out infinite;pointer-events:none;opacity:.9}.viz-card>*{position:relative;z-index:1}.viz-card-front{padding:var(--space-6);transform:translateZ(60px) rotateX(4deg) rotateY(-6deg);z-index:3;animation:viz-float-front 8s ease-in-out infinite}.viz-card-mid{padding:var(--space-6);transform:translateZ(20px) rotateX(7deg) rotateY(8deg) scale(.98);z-index:2;opacity:.92;filter:saturate(.95);animation:viz-float-mid 10s ease-in-out infinite}.viz-card-back{transform:translateZ(-10px) rotateX(10deg) rotateY(-10deg) scale(.95);z-index:1;opacity:.55;filter:blur(.6px) saturate(.9)}.viz-back-grid{position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgba(79,107,255,.2),rgba(79,107,255,.2) 1px,transparent 0,transparent 46px),repeating-linear-gradient(0deg,rgba(192,132,252,.16),rgba(192,132,252,.16) 1px,transparent 0,transparent 46px);opacity:.6;-webkit-mask-image:radial-gradient(circle at 30% 20%,#000,transparent 62%);mask-image:radial-gradient(circle at 30% 20%,#000,transparent 62%)}.viz-top{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2);margin-bottom:var(--space-4)}.viz-chip{display:inline-flex;align-items:center;justify-content:center;padding:6px 10px;border-radius:var(--radius-pill);font-size:var(--text-xs);font-weight:700;letter-spacing:.02em;border:1px solid var(--border-hairline);background:rgba(15,23,42,.04);color:var(--text-secondary)}.viz-chip-soft{background:rgba(79,107,255,.08);color:var(--text-primary)}.viz-chip-green{background:rgba(34,197,94,.12);border-color:rgba(34,197,94,.22);color:var(--integrity-green)}.viz-title{font-size:var(--text-sm);font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:var(--space-4);color:var(--text-muted)}.viz-kv{display:grid;grid-template-columns:1fr;grid-gap:var(--space-3);gap:var(--space-3)}@media (min-width:440px){.viz-kv{grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-4)}}.viz-kv-label{font-size:var(--text-xs);color:var(--text-muted);margin-bottom:var(--space-1)}.viz-kv-value{font-family:var(--font-mono);font-size:var(--text-md);color:var(--text-primary)}.viz-question{font-size:var(--text-lg);line-height:var(--leading-lg);font-weight:650;margin-bottom:var(--space-5)}.viz-bars{display:grid;grid-gap:var(--space-4);gap:var(--space-4);margin-bottom:var(--space-6)}.viz-row-head{display:flex;align-items:center;justify-content:space-between;font-size:var(--text-sm);color:var(--text-secondary);margin-bottom:var(--space-2)}.viz-bar{height:10px;border-radius:var(--radius-pill);border:1px solid var(--border-hairline);background:rgba(15,23,42,.06);overflow:hidden}.viz-bar span{display:block;height:100%;border-radius:inherit;background:linear-gradient(135deg,var(--gradient-brand-start),var(--accent-highlight));box-shadow:0 0 24px rgba(79,107,255,.25)}.viz-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:var(--space-3);gap:var(--space-3);padding-top:var(--space-4);border-top:1px solid var(--border-hairline)}.viz-meta-label{font-size:var(--text-xs);color:var(--text-muted)}.viz-meta-value{font-family:var(--font-mono);font-size:var(--text-sm);color:var(--text-primary)}.viz-footnote{margin-top:var(--space-4);font-size:var(--text-xs);color:var(--text-muted)}@media (min-width:1024px){.hero-inner{grid-template-columns:1.2fr .8fr;gap:var(--space-10)}.hero-content{text-align:left;margin:0}.hero-subtitle{margin:0 0 var(--space-7)}.app-badges-left,.hero-actions{justify-content:flex-start}}@keyframes viz-float-front{0%,to{transform:translateZ(60px) rotateX(4deg) rotateY(-6deg) translateY(0)}50%{transform:translateZ(60px) rotateX(4deg) rotateY(-6deg) translateY(-10px)}}@keyframes viz-float-mid{0%,to{transform:translateZ(20px) rotateX(7deg) rotateY(8deg) scale(.98) translateY(0)}50%{transform:translateZ(20px) rotateX(7deg) rotateY(8deg) scale(.98) translateY(-8px)}}@keyframes viz-sheen{0%{transform:translateX(-45%) rotate(12deg)}50%{transform:translateX(35%) rotate(12deg)}to{transform:translateX(-45%) rotate(12deg)}}@media (prefers-reduced-motion:reduce){.viz-card-front,.viz-card-mid,.viz-card:after{animation:none}}.hero-cta{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);background:var(--accent-primary);font-weight:600;border-radius:var(--radius-md);transition:background .15s ease}.hero-cta,.hero-cta:hover{color:var(--text-on-accent)}.hero-cta:hover{background:var(--accent-primary-hover);text-decoration:none}.card{background:var(--surface-layer0);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-6);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.card:hover{transform:translateY(-2px);border-color:var(--border-strong);box-shadow:0 12px 24px rgba(15,23,42,.12)}@media (prefers-reduced-motion:reduce){.card{transition:none}}.card-grid{display:grid;grid-gap:var(--space-6);gap:var(--space-6)}@media (min-width:768px){.card-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}.card-icon{width:48px;height:48px;background:var(--accent-primary-soft);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin-bottom:var(--space-4);font-size:var(--text-xl)}.card-title{font-size:var(--text-lg);margin-bottom:var(--space-2)}.card-description{color:var(--text-secondary);margin-bottom:0}.section{padding:var(--space-9) 0}.section-title{text-align:center;margin-bottom:var(--space-7)}.section-surface{position:relative;background:linear-gradient(180deg,var(--surface-layer0),var(--surface-canvas));border-top:1px solid var(--border-hairline);border-bottom:1px solid var(--border-hairline)}.section-surface:before{content:"";position:absolute;inset:0;background:radial-gradient(700px 240px at 18% 0,rgba(79,107,255,.12),transparent 60%),radial-gradient(720px 260px at 82% 18%,rgba(192,132,252,.1),transparent 58%);pointer-events:none;opacity:.9}.section-links,.section-surface>.container{position:relative}.section-links{background:linear-gradient(180deg,var(--surface-layer1),var(--surface-canvas));border-top:1px solid var(--border-hairline)}.section-links:before{content:"";position:absolute;inset:0;background:radial-gradient(640px 240px at 50% 10%,rgba(79,107,255,.12),transparent 60%),radial-gradient(520px 240px at 65% 35%,rgba(192,132,252,.08),transparent 60%);pointer-events:none;opacity:.85}.section-links>.container{position:relative}.links-actions{display:flex;justify-content:center;gap:var(--space-4);flex-wrap:wrap}.legal-content{max-width:var(--max-width-reading);margin:0 auto}.legal-content h1{margin-bottom:var(--space-2)}.legal-meta{color:var(--text-muted);font-size:var(--text-sm);margin-bottom:var(--space-7)}.legal-content h2{margin-top:var(--space-8);margin-bottom:var(--space-4)}.legal-content h3{margin-top:var(--space-6);margin-bottom:var(--space-3)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);font-size:var(--text-sm);font-weight:600;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all .15s ease;text-decoration:none}.btn-primary{background:var(--accent-primary);color:var(--text-on-accent)}.btn-primary:hover{background:var(--accent-primary-hover);color:var(--text-on-accent);text-decoration:none}.btn-secondary{background:var(--surface-layer1);color:var(--text-primary);border:1px solid var(--border-subtle)}.btn-secondary:hover{background:var(--surface-layer2);text-decoration:none}.btn-danger{background:var(--state-danger);color:var(--text-on-accent)}.btn-danger:hover{background:#dc2626;color:var(--text-on-accent);text-decoration:none}.form-group{margin-bottom:var(--space-5)}.form-label{display:block;font-size:var(--text-sm);font-weight:500;margin-bottom:var(--space-2);color:var(--text-primary)}.form-input,.form-textarea{width:100%;padding:var(--space-3) var(--space-4);font-size:var(--text-md);font-family:var(--font-ui);background:var(--surface-layer0);border:1px solid var(--border-strong);border-radius:var(--radius-md);color:var(--text-primary);transition:border-color .15s ease,box-shadow .15s ease}.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-primary-soft)}.form-input::placeholder,.form-textarea::placeholder{color:var(--text-placeholder)}.form-textarea{resize:vertical;min-height:120px}.alert{padding:var(--space-4);border-radius:var(--radius-md);margin-bottom:var(--space-5)}.alert-info{background:var(--accent-primary-soft);border:1px solid var(--accent-primary);color:var(--text-primary)}.alert-warning{background:rgba(255,176,32,.12);border:1px solid var(--state-warning);color:var(--text-primary)}.alert-danger{background:rgba(239,68,68,.12);border:1px solid var(--state-danger);color:var(--text-primary)}.alert-success{background:rgba(22,163,74,.12);border:1px solid var(--state-success);color:var(--text-primary)}.features-list{list-style:none;padding:0}.features-list li{display:flex;align-items:flex-start;gap:var(--space-3);margin-bottom:var(--space-4)}.features-list .check{flex-shrink:0;width:24px;height:24px;background:var(--state-success);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:var(--text-sm)}.integrity-badge{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-1) var(--space-3);border-radius:var(--radius-pill);font-size:var(--text-xs);font-weight:500}.integrity-badge:before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor;box-shadow:0 0 0 4px rgba(148,163,184,.12)}.integrity-row{display:flex;gap:var(--space-3);flex-wrap:wrap;margin-bottom:var(--space-3)}.integrity-list{margin-bottom:0;color:var(--text-secondary)}.integrity-green{background:rgba(34,197,94,.12);color:var(--integrity-green)}.integrity-green:before{box-shadow:0 0 0 4px rgba(34,197,94,.16)}.integrity-yellow{background:rgba(245,158,11,.12);color:var(--integrity-yellow)}.integrity-yellow:before{box-shadow:0 0 0 4px rgba(245,158,11,.16)}.integrity-red{background:rgba(239,68,68,.12);color:var(--integrity-red)}.integrity-red:before{box-shadow:0 0 0 4px rgba(239,68,68,.16)}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.mt-2{margin-top:var(--space-2)}.mt-4{margin-top:var(--space-4)}.mt-6{margin-top:var(--space-6)}.mt-8{margin-top:var(--space-8)}.mb-2{margin-bottom:var(--space-2)}.mb-4{margin-bottom:var(--space-4)}.mb-6{margin-bottom:var(--space-6)}.mb-8{margin-bottom:var(--space-8)}.app-badges{display:flex;gap:var(--space-4);justify-content:center;flex-wrap:wrap;margin-top:var(--space-6)}.app-badge{height:48px;border-radius:var(--radius-sm);transition:opacity .15s ease}.app-badge:hover{opacity:.8}