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var(--aistr-dur-fast) var(--aistr-ease),color var(--aistr-dur-fast) var(--aistr-ease),border-color var(--aistr-dur-fast) var(--aistr-ease)}.aistr-search-trigger svg{width:16px;height:16px;display:block}.aistr-search-trigger:hover{background-color:var(--aistr-bg-soft);border-color:var(--aistr-fg)}.aistr-lang{font-family:var(--aistr-font-mono);font-size:0.72rem;letter-spacing:0.14em;color:var(--aistr-fg-mute);text-transform:uppercase;white-space:nowrap}.aistr-lang a{color:var(--aistr-fg-mute);text-decoration:none}.aistr-lang a:hover{color:var(--aistr-fg)}.aistr-lang .on{color:var(--aistr-fg);border-bottom:1px solid var(--aistr-accent);padding-bottom:2px}.aistr-nav__lang{display:none}.aistr-rings{display:block;width:100%;height:100%}.aistr-404{padding-block:clamp(3rem, 7vw, 6rem)}.aistr-404__frame{position:relative;display:flex;flex-direction:column;align-items:center;overflow:hidden;padding:clamp(3rem, 7vw, 5.5rem) clamp(1.25rem, 4vw, 4rem);border:1px solid var(--aistr-rule-strong);text-align:center;background:radial-gradient(ellipse 60% 45% at 50% 100%, color-mix(in oklab, var(--aistr-accent) 16%, transparent), transparent 70%)}.aistr-404__frame>:not(.aistr-404__rings){position:relative;z-index:1}.aistr-404__rings{position:absolute;inset:0;z-index:0;color:var(--aistr-accent);opacity:0.5;pointer-events:none}.aistr-404__code{margin:1.25rem 0 0;font-family:var(--aistr-font-display);font-weight:400;font-size:clamp(6rem, 20vw, 13rem);line-height:0.95;letter-spacing:-0.04em;color:var(--aistr-fg)}.aistr-404__code em{font-style:italic;font-weight:300;color:var(--aistr-accent)}.aistr-404__deck{max-width:52ch;margin:1.25rem 0 0;font-size:1.05rem;line-height:1.55;color:var(--aistr-fg-soft);text-wrap:pretty}.aistr-404__deck--en{margin-top:0.4rem;font-size:0.9rem;color:var(--aistr-fg-mute)}.aistr-404__actions{display:flex;flex-wrap:wrap;justify-content:center;gap:0.85rem;margin-top:2.25rem}.aistr-404__actions .aistr-btn:not(.aistr-btn--primary){background:var(--aistr-bg)}.aistr-rule{height:1px;background:var(--aistr-rule);width:100%}.aistr-rule-strong{background:var(--aistr-rule-strong)}.aistr-footer{padding-block:4rem 2rem;position:relative;overflow:hidden;background:var(--aistr-bg);color:var(--aistr-fg)}.aistr-footer__signature{margin-top:2.5rem;height:clamp(48px, 7vw, 88px);color:var(--aistr-accent);opacity:0.16;pointer-events:none}.aistr-footer__grid{display:grid;grid-template-columns:1.2fr repeat(3, 1fr);gap:2.5rem;margin-bottom:3rem}.aistr-footer__brand{max-width:38ch}.aistr-footer__brand p{color:var(--aistr-fg-soft);font-size:0.92rem;line-height:1.55;margin-top:1rem}.aistr-footer__col h4{font-family:var(--aistr-font-mono);font-size:0.72rem;letter-spacing:0.2em;text-transform:uppercase;color:var(--aistr-fg-mute);font-weight:500;margin:0 0 1.25rem 0}.aistr-footer__col ul{list-style:none;padding:0;margin:0;display:grid;gap:0.75rem}.aistr-footer__col a{text-decoration:none;color:var(--aistr-fg-soft);font-size:0.92rem}.aistr-footer__col a:hover{color:var(--aistr-fg)}.aistr-footer__base{border-top:1px solid var(--aistr-rule);padding-top:1.5rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;font-family:var(--aistr-font-mono);font-size:0.72rem;letter-spacing:0.12em;text-transform:uppercase;color:var(--aistr-fg-mute)}.aistr-footer__credit{text-transform:none;letter-spacing:0.06em}@media (max-width: 860px){.aistr-footer__grid{grid-template-columns:1fr 1fr}}.aistr-nav-toggle{display:none;background:transparent;border:1px solid var(--aistr-rule-strong);color:var(--aistr-fg);width:38px;height:38px;padding:0;border-radius:0;cursor:pointer;align-items:center;justify-content:center}.aistr-nav-toggle svg{width:18px;height:18px}@media (prefers-reduced-motion: no-preference){.aistr-nav-toggle svg line{transform-box:view-box;transform-origin:center;transition:transform var(--aistr-dur-base) var(--aistr-ease-out)}.aistr-nav-toggle[aria-expanded="true"] svg line:first-child{transform:translateY(4px) rotate(45deg)}.aistr-nav-toggle[aria-expanded="true"] svg line:last-child{transform:translateY(-4px) rotate(-45deg)}}@media (max-width: 980px){.aistr-header__inner{gap:1rem}.aistr-nav{display:none}.aistr-header__cta .aistr-lang{display:none}.aistr-nav-toggle{display:inline-flex}.aistr-search-trigger{width:38px;padding:0;justify-content:center}.aistr-search-trigger__label{display:none}.aistr-header__cta .aistr-btn--primary{padding:0.55rem 0.72rem;font-size:0.77rem}.aistr-nav.is-open{display:flex;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--aistr-bg);border-top:1px solid var(--aistr-rule);border-bottom:1px solid var(--aistr-rule);padding:0.5rem 0}}@media (max-width: 980px) and (prefers-reduced-motion: no-preference){.aistr-nav.is-open{transition:opacity var(--aistr-dur-base) var(--aistr-ease-out), translate var(--aistr-dur-base) var(--aistr-ease-out), display var(--aistr-dur-base) allow-discrete}@starting-style{.aistr-nav.is-open{opacity:0;translate:0 -8px}}}@media (max-width: 980px){.aistr-nav.is-open a{padding:0.85rem var(--aistr-pad-x);border-bottom:1px solid var(--aistr-rule)}.aistr-nav.is-open a:last-child{border-bottom:0}.aistr-nav.is-open a.is-active::before{display:none}.aistr-nav.is-open .aistr-nav__lang{display:flex;align-items:center;gap:0.45rem;padding:0.85rem var(--aistr-pad-x);color:var(--aistr-fg-mute)}.aistr-nav.is-open .aistr-nav__lang a{border-bottom:0;color:var(--aistr-fg-mute);font-family:inherit;font-size:inherit;padding:0}.aistr-nav.is-open .aistr-nav__lang a:hover{color:var(--aistr-fg)}}@media (max-width: 700px){.aistr-header__inner{gap:0.65rem;padding-block:0.8rem}.aistr-brand__logo,img.aistr-brand__logo{height:28px}.aistr-header__cta{gap:0.45rem}.aistr-header__cta .aistr-btn--primary{white-space:nowrap;padding-inline:0.65rem}.aistr-header__cta .aistr-btn__label-full{display:none}.aistr-header__cta .aistr-btn__label-short{display:inline}}@media (max-width: 420px){.aistr-header__cta .aistr-btn--primary{display:none}}