:root{--color-bg: #fbfaf7;--color-surface: #ffffff;--color-surface-sunken: #f2f1ec;--color-ink: #1b2426;--color-ink-muted: #5c6a6d;--color-ink-faint: #8a9699;--color-line: #e2e0d9;--color-line-strong: #cbc8bf;--color-accent: #1f6f7a;--color-accent-hover: #17565f;--color-accent-ink: #ffffff;--color-accent-soft: #e4f0f1;--color-focus: #1f6f7a;--color-selection-bg: #d8ecee;--color-level-soft: #4f9a7d;--color-level-medium: #7fa15c;--color-level-hard: #c9873c;--color-level-very-hard: #b4553f;--font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;--font-display: var(--font-sans);--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--text-xs: .78rem;--text-sm: .88rem;--text-base: 1rem;--text-lg: 1.15rem;--text-xl: 1.4rem;--text-2xl: 1.85rem;--text-3xl: 2.4rem;--text-4xl: 3rem;--weight-regular: 400;--weight-medium: 500;--weight-bold: 700;--leading-tight: 1.15;--leading-snug: 1.35;--leading-normal: 1.6;--tracking-tight: -.02em;--tracking-normal: 0;--tracking-wide: .08em;--underline-offset: .18em;--space-3xs: .25rem;--space-2xs: .5rem;--space-xs: .75rem;--space-sm: 1rem;--space-md: 1.5rem;--space-lg: 2.25rem;--space-xl: 3.5rem;--space-2xl: 5rem;--radius-sm: .35rem;--radius-md: .65rem;--radius-lg: 1.1rem;--radius-full: 999rem;--border-width: 1px;--border-width-thick: 2px;--border: var(--border-width) solid var(--color-line);--focus-ring-width: 2px;--focus-ring-offset: 2px;--shadow-soft: 0 1px 2px rgb(27 36 38 / .05), 0 8px 24px rgb(27 36 38 / .06);--width-page: 68rem;--width-measure: 34rem;--page-gutter: var(--space-md);--duration-fast: .12s;--duration-base: .24s;--duration-slow: .48s;--ease-out: cubic-bezier(.22, .61, .36, 1);--rise-distance: .75rem}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;background:var(--color-bg);color:var(--color-ink);font-family:var(--font-sans);font-size:var(--text-base);font-weight:var(--weight-regular);line-height:var(--leading-normal);-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}::selection{background:var(--color-selection-bg)}h1,h2,h3{font-family:var(--font-display);line-height:var(--leading-tight);letter-spacing:var(--tracking-tight);font-weight:var(--weight-bold);margin:0;text-wrap:balance}h1{font-size:var(--text-3xl)}h2{font-size:var(--text-2xl)}h3{font-size:var(--text-xl)}p{margin:0;text-wrap:pretty}a{color:var(--color-accent);text-decoration-thickness:var(--border-width);text-underline-offset:var(--underline-offset);transition:color var(--duration-fast) var(--ease-out)}a:hover{color:var(--color-accent-hover)}img,svg{max-width:100%;height:auto}:focus-visible{outline:var(--focus-ring-width) solid var(--color-focus);outline-offset:var(--focus-ring-offset);border-radius:var(--radius-sm)}.page{width:100%;max-width:var(--width-page);margin-inline:auto;padding-inline:var(--page-gutter)}.measure{max-width:var(--width-measure)}.stack{display:flex;flex-direction:column;gap:var(--space-sm)}.site-header{border-block-end:var(--border);padding-block:var(--space-md);background:var(--color-surface)}.site-header__row{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:var(--space-sm)}.brand{display:inline-flex;flex-direction:column;gap:var(--space-3xs);text-decoration:none;color:var(--color-ink)}.brand:hover{color:var(--color-ink)}.brand__name{font-family:var(--font-display);font-size:var(--text-lg);font-weight:var(--weight-bold);letter-spacing:var(--tracking-tight);line-height:var(--leading-tight)}.brand__tagline{font-size:var(--text-sm);color:var(--color-ink-muted);line-height:var(--leading-snug);max-width:var(--width-measure)}.lang-switch{display:flex;align-items:center;gap:var(--space-2xs)}.lang-switch__link{display:inline-block;padding:var(--space-3xs) var(--space-xs);border:var(--border);border-radius:var(--radius-full);font-size:var(--text-sm);text-decoration:none;color:var(--color-ink-muted);transition:color var(--duration-fast) var(--ease-out),background-color var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out)}.lang-switch__link:hover{color:var(--color-accent);background:var(--color-accent-soft);border-color:var(--color-accent-soft)}.site-main{flex:1;padding-block:var(--space-xl) var(--space-2xl)}.site-footer{border-block-start:var(--border);padding-block:var(--space-md);font-size:var(--text-sm);color:var(--color-ink-muted);background:var(--color-surface)}.site-footer__row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--space-2xs)}.skip-link{position:absolute;inset-block-start:var(--space-2xs);inset-inline-start:var(--space-2xs);z-index:1;padding:var(--space-2xs) var(--space-sm);background:var(--color-surface);border:var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);transform:translateY(calc(-1 * var(--space-2xl)))}.skip-link:focus-visible{transform:none}.rise{animation:rise var(--duration-slow) var(--ease-out) both}@keyframes rise{0%{opacity:0;transform:translateY(var(--rise-distance))}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:1ms!important;animation-iteration-count:1!important;transition-duration:1ms!important;scroll-behavior:auto!important}}