:root{--color-text:#1a1a1a;--color-bg:#fff;--color-muted:#6b7280;--container-max:1200px;--font-base:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}@layer base{*,:before,:after{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font-base);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}img,picture,svg,video{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}}.container{max-width:var(--container-max);margin:0 auto;padding:0 16px}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}.error-404{max-width:640px;margin:24px auto;padding:24px 0}.error-404__lead{color:var(--color-muted);margin:0 0 16px;font-size:1.125rem}.error-404__site{color:var(--color-muted);margin:0 0 24px;font-size:.95rem}.error-404__site a{color:inherit;text-decoration:underline}.error-404__actions{margin:0}.default-theme{--dt-accent:#2563eb;--dt-accent-dark:#1d4ed8;--dt-border:#e5e7eb;flex-direction:column;min-height:100vh;display:flex}.default-theme .dt-header{border-bottom:1px solid var(--dt-border);background:#fff}.default-theme .dt-header__inner{align-items:center;gap:24px;min-height:64px;display:flex}.default-theme .dt-header__brand{font-size:1.25rem;font-weight:700}.default-theme .dt-header__logo{width:auto;max-height:40px}.default-theme .dt-nav__list{flex-wrap:wrap;gap:20px;margin:0;padding:0;list-style:none;display:flex}.default-theme .dt-nav__link:hover{color:var(--dt-accent)}.default-theme .dt-header__cta{margin-left:auto}.default-theme .dt-btn{border-radius:8px;padding:10px 18px;font-weight:600;line-height:1;text-decoration:none;transition:background .15s;display:inline-block}.default-theme .dt-btn--primary{background:var(--dt-accent);color:#fff}.default-theme .dt-btn--primary:hover{background:var(--dt-accent-dark);color:#fff}.default-theme .default-theme__main{flex:1 0 auto;padding:40px 16px 64px}.default-theme .default-theme__main h1{margin:0 0 24px;font-size:clamp(1.75rem,4vw,2.5rem)}.default-theme .default-theme__main h2{margin:32px 0 16px;font-size:clamp(1.35rem,3vw,1.85rem)}.default-theme .default-theme__main p{margin:0 0 16px}.default-theme .default-theme__main a{color:var(--dt-accent);text-decoration:underline}.default-theme .dt-footer{border-top:1px solid var(--dt-border);background:#f9fafb;margin-top:auto}.default-theme .dt-footer__inner{grid-template-columns:1fr;gap:24px;padding:40px 16px;display:grid}@media (width>=768px){.default-theme .dt-footer__inner{grid-template-columns:2fr 1fr 1fr}}.default-theme .dt-footer__brand{margin-bottom:8px;font-weight:700}.default-theme .dt-footer__desc{color:var(--color-muted);margin:0}.default-theme .dt-footer__list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.default-theme .dt-footer__list a:hover,.default-theme .dt-footer__email{color:var(--dt-accent)}.default-theme .dt-footer__bottom{border-top:1px solid var(--dt-border);color:var(--color-muted);padding:16px 0;font-size:.9rem}