:root{color-scheme:light dark;--v-background:#F6F8FC;--v-surface:#FFFFFF;--v-surface-elevated:#EDF2F8;--v-border:#D6DFEA;--v-text-primary:#0A1220;--v-text-secondary:#435269;--v-text-muted:#5A6A80;--v-brand:#2F73EF;--v-primary-action:#225FD7;--v-primary-content:#FFFFFF;--v-interactive-text:#225FD7;--v-success:#137A4B;--v-warning:#B54708;--v-danger:#B42318;--v-info:#225FD7;--v-font-scale:1;--v-max-width:1200px;--v-shadow:0 24px 80px rgba(10,18,32,.08)}
:root[data-theme="dark"]{color-scheme:dark;--v-background:#050A12;--v-surface:#0D1728;--v-surface-elevated:#13233A;--v-border:#20324B;--v-text-primary:#F5F8FC;--v-text-secondary:#C4D0DF;--v-text-muted:#91A0B5;--v-brand:#2F73EF;--v-primary-action:#2464DC;--v-primary-content:#FFFFFF;--v-interactive-text:#83B1FF;--v-success:#5FD39A;--v-warning:#F3B35C;--v-danger:#FF7B7B;--v-info:#83B1FF;--v-shadow:0 28px 90px rgba(0,0,0,.28)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){color-scheme:dark;--v-background:#050A12;--v-surface:#0D1728;--v-surface-elevated:#13233A;--v-border:#20324B;--v-text-primary:#F5F8FC;--v-text-secondary:#C4D0DF;--v-text-muted:#91A0B5;--v-brand:#2F73EF;--v-primary-action:#2464DC;--v-primary-content:#FFFFFF;--v-interactive-text:#83B1FF;--v-success:#5FD39A;--v-warning:#F3B35C;--v-danger:#FF7B7B;--v-info:#83B1FF;--v-shadow:0 28px 90px rgba(0,0,0,.28)}}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--v-background);font-size:calc(16px * var(--v-font-scale))}body{min-width:320px;margin:0;background:radial-gradient(circle at 78% 0%,color-mix(in srgb,var(--v-brand) 12%,transparent),transparent 34rem),var(--v-background);color:var(--v-text-primary);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}::selection{background:color-mix(in srgb,var(--v-brand) 30%,transparent)}a{color:var(--v-interactive-text)}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:3px solid var(--v-interactive-text);outline-offset:3px}.shell{width:min(calc(100% - 48px),var(--v-max-width));margin-inline:auto}
.skip-link{position:fixed;z-index:1000;top:12px;left:12px;transform:translateY(-160%);padding:12px 16px;border-radius:10px;background:var(--v-primary-action);color:var(--v-primary-content);text-decoration:none;transition:transform 120ms ease}.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;z-index:100;top:0;border-bottom:1px solid color-mix(in srgb,var(--v-border) 72%,transparent);background:color-mix(in srgb,var(--v-background) 84%,transparent);backdrop-filter:blur(18px) saturate(135%)}.header-inner{min-height:76px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}.wordmark{min-height:48px;display:inline-flex;align-items:center;gap:12px;color:var(--v-text-primary);font-size:.875rem;font-weight:600;letter-spacing:.18em;text-decoration:none}.wordmark-rule{width:3px;height:24px;border-radius:999px;background:var(--v-brand)}.primary-nav{display:flex;justify-content:center;gap:4px}.primary-nav a{min-height:48px;display:inline-flex;align-items:center;padding-inline:14px;border-radius:10px;color:var(--v-text-secondary);font-size:.875rem;font-weight:500;text-decoration:none}.primary-nav a:hover{color:var(--v-text-primary);background:color-mix(in srgb,var(--v-brand) 8%,transparent)}.accessibility-tools,.text-scale{display:flex;align-items:center;gap:4px}.accessibility-tools{gap:8px}.text-scale button,.appearance-toggle{min-width:48px;min-height:48px;border:1px solid var(--v-border);border-radius:10px;background:var(--v-surface);color:var(--v-text-secondary);font:inherit;font-size:.75rem;font-weight:600;cursor:pointer}.text-scale button[aria-pressed="true"]{border-color:var(--v-brand);background:color-mix(in srgb,var(--v-brand) 12%,var(--v-surface));color:var(--v-interactive-text)}.appearance-toggle{min-width:104px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding-inline:12px}.appearance-dot{width:8px;height:8px;border-radius:999px;background:var(--v-brand);box-shadow:0 0 0 4px color-mix(in srgb,var(--v-brand) 13%,transparent)}
.hero{min-height:calc(100vh - 76px);display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);align-items:center;gap:64px;padding-block:96px}.eyebrow{margin:0 0 18px;color:var(--v-interactive-text);font-size:.75rem;font-weight:600;letter-spacing:.16em}.hero h1{max-width:780px;margin:0;font-size:clamp(3.5rem,8vw,6.6rem);font-weight:600;line-height:.96;letter-spacing:-.055em}.hero h1 span{color:var(--v-brand)}.hero-lead{max-width:700px;margin:32px 0 0;color:var(--v-text-secondary);font-size:1.0625rem}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;padding:0 20px;border:1px solid transparent;border-radius:10px;font-size:.875rem;font-weight:600;text-decoration:none;transition:transform 180ms ease}.button:hover{transform:translateY(-1px)}.button-primary{background:var(--v-primary-action);color:var(--v-primary-content)}.button-secondary{border-color:var(--v-border);background:var(--v-surface);color:var(--v-text-primary)}.hero-signals{display:flex;flex-wrap:wrap;gap:8px 20px;margin:44px 0 0;padding:0;color:var(--v-text-muted);font-size:.75rem;font-weight:500;list-style:none}.hero-signals li::before{content:'•';margin-right:8px;color:var(--v-brand)}
.hero-system{display:grid;place-items:center}.system-frame{position:relative;width:min(100%,480px);aspect-ratio:1;border:1px solid var(--v-border);border-radius:24px;background:linear-gradient(color-mix(in srgb,var(--v-border) 30%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--v-border) 30%,transparent) 1px,transparent 1px),var(--v-surface);background-size:32px 32px;box-shadow:var(--v-shadow);overflow:hidden}.system-frame::after{content:'';position:absolute;inset:14%;border:1px solid color-mix(in srgb,var(--v-brand) 28%,transparent);border-radius:50%}.system-axis{position:absolute;z-index:1;background:color-mix(in srgb,var(--v-brand) 35%,transparent)}.axis-x{left:12%;right:12%;top:50%;height:1px}.axis-y{top:12%;bottom:12%;left:50%;width:1px}.system-core{position:absolute;z-index:3;inset:50% auto auto 50%;width:92px;height:92px;display:grid;place-items:center;transform:translate(-50%,-50%);border:1px solid color-mix(in srgb,var(--v-brand) 55%,var(--v-border));border-radius:16px;background:var(--v-surface-elevated);color:var(--v-brand);font-size:2rem;font-weight:600;box-shadow:0 0 0 10px color-mix(in srgb,var(--v-brand) 6%,transparent)}.system-node{position:absolute;z-index:4;padding:7px 9px;border:1px solid var(--v-border);border-radius:999px;background:var(--v-surface-elevated);color:var(--v-text-secondary);font-size:.625rem;font-weight:600;letter-spacing:.08em}.node-1{top:12%;left:50%;transform:translateX(-50%)}.node-2{top:50%;right:7%;transform:translateY(-50%)}.node-3{bottom:12%;left:50%;transform:translateX(-50%)}.node-4{top:50%;left:7%;transform:translateY(-50%)}
.section{padding-block:112px;border-top:1px solid var(--v-border)}.split-section{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px}.section h2{margin:0;font-size:clamp(2rem,4vw,3.4rem);line-height:1.1;letter-spacing:-.035em;font-weight:600}.section-copy{max-width:650px;color:var(--v-text-secondary);font-size:1.0625rem}.section-copy p{margin:0 0 20px}.section-heading{max-width:820px}.principle-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:48px}.principle-card{min-height:260px;padding:32px;border:1px solid var(--v-border);border-radius:16px;background:var(--v-surface)}.card-index{color:var(--v-interactive-text);font-size:.75rem;font-weight:600}.principle-card h3{margin:48px 0 12px;font-size:1.25rem;font-weight:600}.principle-card p{margin:0;color:var(--v-text-secondary)}.system-section{display:grid;gap:56px}.compact-heading p:last-child{margin-top:20px;color:var(--v-text-secondary);font-size:1.0625rem}.architecture-chain{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;align-items:stretch;gap:12px}.architecture-chain>div{min-height:170px;display:flex;flex-direction:column;justify-content:flex-end;padding:24px;border:1px solid var(--v-border);border-radius:16px;background:var(--v-surface)}.architecture-chain>div span{margin-bottom:auto;color:var(--v-interactive-text);font-size:.75rem;font-weight:600}.architecture-chain strong{font-size:1rem}.architecture-chain small{margin-top:6px;color:var(--v-text-muted);font-size:.75rem}.architecture-chain>i{align-self:center;color:var(--v-text-muted);font-style:normal}.closing{padding-block:112px}.closing-panel{min-height:390px;display:flex;flex-direction:column;justify-content:flex-end;padding:clamp(32px,7vw,72px);border:1px solid color-mix(in srgb,var(--v-brand) 30%,var(--v-border));border-radius:24px;background:linear-gradient(135deg,color-mix(in srgb,var(--v-brand) 10%,var(--v-surface)),var(--v-surface));box-shadow:var(--v-shadow)}.closing-panel h2{max-width:900px;margin:0;font-size:clamp(2.25rem,5vw,4.5rem);line-height:1.05;letter-spacing:-.045em;font-weight:600}.closing-panel>p:last-child{margin:24px 0 0;color:var(--v-text-secondary)}.site-footer{border-top:1px solid var(--v-border);background:var(--v-surface)}.footer-inner{min-height:144px;display:flex;align-items:center;justify-content:space-between;gap:32px}.footer-brand{display:grid;gap:4px}.footer-brand strong{font-size:.8125rem;letter-spacing:.16em}.footer-brand span,.site-footer p{color:var(--v-text-muted);font-size:.75rem}.site-footer p{margin:0}
@media(max-width:980px){.header-inner{grid-template-columns:1fr auto}.primary-nav{display:none}.hero{grid-template-columns:1fr;min-height:auto}.hero-system{max-width:560px;width:100%;justify-self:center}.split-section{grid-template-columns:1fr;gap:28px}.architecture-chain{grid-template-columns:1fr 1fr}.architecture-chain>i{display:none}}
@media(max-width:680px){.shell{width:min(calc(100% - 28px),var(--v-max-width))}.site-header{position:static}.header-inner{min-height:auto;padding-block:14px;align-items:start}.accessibility-tools{justify-content:flex-end;flex-wrap:wrap}.appearance-toggle{min-width:48px;width:48px;padding:0}.appearance-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.hero{padding-block:64px 80px;gap:48px}.hero h1{font-size:clamp(3.25rem,17vw,5rem)}.section{padding-block:80px}.principle-grid,.architecture-chain{grid-template-columns:1fr}.principle-card{min-height:220px}.closing{padding-block:80px}.footer-inner{min-height:160px;align-items:flex-start;flex-direction:column;justify-content:center}}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}