@font-face { font-family: 'Archivo'; font-style: normal; font-weight: 400 700; font-display: swap; src: url(/fonts/archivo-400-700-latin-ext.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; } @font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 400; font-display: swap; src: url(/fonts/ibm-plex-mono-400-latin-ext.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; } @font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url(/fonts/ibm-plex-mono-500-latin-ext.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; } @font-face { font-family: 'Literata'; font-style: normal; font-weight: 400 600; font-display: swap; src: url(/fonts/literata-400-600-latin-ext.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; } @font-face { font-family: 'Archivo'; font-style: normal; font-weight: 400 700; font-display: swap; src: url(/fonts/archivo-400-700-latin.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; } @font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 400; font-display: swap; src: url(/fonts/ibm-plex-mono-400-latin.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; } @font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url(/fonts/ibm-plex-mono-500-latin.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; } @font-face { font-family: 'Literata'; font-style: normal; font-weight: 400 600; font-display: swap; src: url(/fonts/literata-400-600-latin.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; } :root { --paper: #FAF7F2; --surface: #FFFFFF; --raised: #F2ECE1; --sunken: #EFE8DC; --ink: #14161C; --ink-soft: #3A3F49; --muted: #5F6570; --rule: #E6DFD3; --rule-firm: #8E8574; --accent: #1E3EA8; --accent-ink: #17307F; --accent-bg: #EAEEFA; --on-accent: #FFFFFF; --data: #8A4A05; --data-bg: #FBF0DF; --good: #14664A; --warn: #8A4A05; --signal: #F3A73F; --signal-ink: #8A4A05; --signal-tint:#FBEAD2; --field: #131A36; --field-2: #1F2850; --on-field: #F4F2ED; --on-field-soft:#BFC6E0; --field-tint: rgba(255,255,255,.05); --field-tint-2: rgba(255,255,255,.13); --field-edge: rgba(255,255,255,.17); --field-edge-firm: rgba(255,255,255,.46); --field-line: rgba(255,255,255,.10); --field-glow: rgba(126,140,216,.24); --field-warm: rgba(243,167,63,.13); --mask-on: #000000; --print-ink: #14161C; --print-soft: #3A3F49; --serif: "Literata", Georgia, "Times New Roman", serif; --sans: "Archivo", -apple-system, "Segoe UI", system-ui, sans-serif; --display: "Archivo", -apple-system, "Segoe UI", system-ui, sans-serif; --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace; --t-display: clamp(2.625rem, 1.79rem + 3.43vw, 4.875rem); --t-display-2: clamp(2.125rem, 1.60rem + 2.15vw, 3.500rem); --t-h1: clamp(2.100rem, 1.55rem + 2.25vw, 3.375rem); --t-h2: clamp(1.500rem, 1.20rem + 1.25vw, 2.125rem); --t-h3: clamp(1.200rem, 1.08rem + 0.50vw, 1.450rem); --t-body: 19px; --t-sm: 15px; --t-xs: 13.5px; --t-micro: 12px; --r-xs: 4px; --r-sm: 8px; --r: 12px; --r-lg: 20px; --r-full: 999px; --e1: 0 1px 2px rgba(20,22,28,.05), 0 4px 12px -4px rgba(20,22,28,.07); --e2: 0 2px 4px rgba(20,22,28,.05), 0 14px 30px -12px rgba(20,22,28,.14); --e3: 0 4px 10px rgba(20,22,28,.06), 0 32px 64px -20px rgba(20,22,28,.20); --ring: inset 0 0 0 1px rgba(20,22,28,.07); --shell: 1200px; --measure: 68ch; --pad: clamp(18px, 4vw, 40px); color-scheme: light; } @media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --paper: #0D0F16; --surface: #141821; --raised: #1B202B; --sunken: #101520; --ink: #E9E6E0; --ink-soft: #C6C3BC; --muted: #969CA8; --rule: #262B36; --rule-firm: #6E7484; --accent: #9EB7F2; --accent-ink: #C3D2F8; --accent-bg: #1A2340; --on-accent: #141821; --data: #F0B266; --data-bg: #2C2010; --good: #5FBE9A; --warn: #F0B266; --signal: #F8BE6D; --signal-ink: #F0B266; --signal-tint:#2C2010; --field: #26346B; --field-2: #2C3A78; --on-field-soft: #D5DBEE; --field-tint: rgba(255,255,255,.04); --field-glow: rgba(142,158,236,.10); --field-warm: rgba(243,167,63,.10); --e1: 0 1px 2px rgba(0,0,0,.50), 0 4px 12px -4px rgba(0,0,0,.50); --e2: 0 2px 4px rgba(0,0,0,.50), 0 14px 30px -12px rgba(0,0,0,.60); --e3: 0 4px 10px rgba(0,0,0,.50), 0 32px 64px -20px rgba(0,0,0,.70); --ring: inset 0 0 0 1px rgba(255,255,255,.08); color-scheme: dark; } } :root[data-theme="dark"] { --paper: #0D0F16; --surface: #141821; --raised: #1B202B; --sunken: #101520; --ink: #E9E6E0; --ink-soft: #C6C3BC; --muted: #969CA8; --rule: #262B36; --rule-firm: #6E7484; --accent: #9EB7F2; --accent-ink: #C3D2F8; --accent-bg: #1A2340; --on-accent: #141821; --data: #F0B266; --data-bg: #2C2010; --good: #5FBE9A; --warn: #F0B266; --signal: #F8BE6D; --signal-ink: #F0B266; --signal-tint: #2C2010; --field: #26346B; --field-2: #2C3A78; --on-field-soft: #D5DBEE; --field-tint: rgba(255,255,255,.04); --field-glow: rgba(142,158,236,.10); --field-warm: rgba(243,167,63,.10); --e1: 0 1px 2px rgba(0,0,0,.50), 0 4px 12px -4px rgba(0,0,0,.50); --e2: 0 2px 4px rgba(0,0,0,.50), 0 14px 30px -12px rgba(0,0,0,.60); --e3: 0 4px 10px rgba(0,0,0,.50), 0 32px 64px -20px rgba(0,0,0,.70); --ring: inset 0 0 0 1px rgba(255,255,255,.08); color-scheme: dark; } *, *::before, *::after { box-sizing: border-box; } html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: clip; } @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } } body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--serif); font-size: var(--t-body); line-height: 1.68; font-optical-sizing: auto; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: clip; } .skip { position: absolute; left: -9999px; background: var(--accent); color: var(--on-accent); padding: 10px 16px; z-index: 50; border-radius: var(--r-sm); font-family: var(--sans); font-weight: 600; } .skip:focus { left: 12px; top: 12px; } header.site { border-bottom: 1px solid var(--rule); background: var(--surface); position: sticky; top: 0; z-index: 20; } .bar { max-width: var(--shell); margin: 0 auto; padding: 0 var(--pad); display: flex; align-items: center; gap: 24px; min-height: 62px; } .wordmark { font-family: var(--sans); font-weight: 700; font-size: 17.5px; letter-spacing: -0.028em; color: var(--ink); text-decoration: none; display: flex; align-items: center; gap: 1px; white-space: nowrap; min-height: 44px; } .wordmark span { color: var(--accent); } nav.top { margin-left: auto; display: flex; gap: 2px; flex-wrap: wrap; } @media (min-width: 1080px) { nav.top { justify-content: flex-end; row-gap: 4px; } } nav.top a { font-family: var(--sans); font-size: 14px; font-weight: 500; color: var(--ink-soft); text-decoration: none; padding: 7px 9px; border-radius: var(--r-full); white-space: nowrap; transition: background .14s, color .14s; } nav.top a:hover { color: var(--accent-ink); background: var(--accent-bg); } @media (max-width: 1079px) { .bar { flex-wrap: nowrap; gap: 12px; min-height: 56px; } nav.top { flex-wrap: nowrap; gap: 2px; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; margin-left: 0; padding-right: 28px; mask-image: linear-gradient(to right, var(--mask-on) calc(100% - 28px), transparent); -webkit-mask-image: linear-gradient(to right, var(--mask-on) calc(100% - 28px), transparent); } nav.top::-webkit-scrollbar { display: none; } } @media (max-width: 759px) { .bar { flex-wrap: wrap; column-gap: 12px; row-gap: 0; min-height: 0; padding-block: 4px; align-items: center; } .bar > .wordmark { order: 1; } .bar > .rgs { order: 2; margin-left: auto; } nav.top { order: 3; flex: 1 0 100%; min-width: 0; width: 100%; padding-right: 32px; margin-bottom: 2px; } nav.top a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 11px; } } @media (min-width: 1200px) { .bar .rgs { flex: 0 0 auto; width: 212px; } } main { max-width: var(--shell); margin: 0 auto; padding: 0 var(--pad) 96px; } .layout { display: block; } @media (min-width: 1080px) { .layout { display: grid; grid-template-columns: minmax(0, 1fr) 232px; gap: 56px; align-items: start; } } article { max-width: var(--measure); min-width: 0; } h1 { font-family: var(--display); font-weight: 700; font-size: var(--t-h1); line-height: 1.04; letter-spacing: -0.032em; margin: 0 0 16px; text-wrap: balance; } h2 { font-family: var(--display); font-weight: 650; font-size: var(--t-h2); line-height: 1.14; letter-spacing: -0.026em; margin: 2.2em 0 0.5em; text-wrap: balance; padding-top: 0.45em; border-top: 1px solid var(--rule); } h3 { font-family: var(--display); font-weight: 650; font-size: var(--t-h3); letter-spacing: -0.018em; line-height: 1.24; margin: 1.9em 0 0.4em; text-wrap: balance; } h4 { font-family: var(--sans); font-weight: 600; font-size: 1rem; letter-spacing: 0.005em; margin: 1.6em 0 0.3em; color: var(--ink-soft); } h2 .anchor, h3 .anchor, h4 .anchor { font-family: var(--mono); color: var(--rule-firm); text-decoration: none; margin-left: 8px; opacity: 0; font-size: 0.8em; font-weight: 400; } h2:hover .anchor, h3:hover .anchor, h4:hover .anchor { opacity: 1; } .anchor:focus { opacity: 1; } @media (hover: none) and (pointer: coarse) { h2 .anchor, h3 .anchor, h4 .anchor { display: none; } } p { margin: 0 0 1.15em; } article > p:first-of-type { font-size: 1.06em; } a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; } a:hover { color: var(--accent-ink); } strong { font-weight: 650; } code { font-family: var(--mono); font-size: 0.88em; background: var(--raised); padding: 1px 5px; border-radius: var(--r-xs); } ul, ol { margin: 0 0 1.3em; padding-left: 1.35em; } li { margin-bottom: 0.45em; } li::marker { color: var(--muted); } blockquote { margin: 1.6em 0; padding: 2px 0 2px 20px; border-left: 3px solid var(--signal-ink); color: var(--ink-soft); font-style: italic; } .lede { color: var(--muted); font-family: var(--sans); font-size: var(--t-xs); margin: 0 0 26px; } .lede .dot { margin: 0 8px; color: var(--rule-firm); } .kicker { font-family: var(--mono); font-size: var(--t-micro); letter-spacing: 0.13em; text-transform: uppercase; color: var(--accent); margin: 0 0 12px; } .hero { position: relative; isolation: isolate; color: var(--on-field); padding: clamp(30px, 4vw, 54px) 0 clamp(34px, 4.4vw, 60px); margin: 0 0 clamp(32px, 4vw, 52px); border: 0; } .hero::before { content: ""; position: absolute; z-index: -2; pointer-events: none; top: 0; bottom: 0; left: -100vw; right: -100vw; background-color: var(--field); background-image: radial-gradient(110% 130% at 82% 0%, var(--field-glow), transparent 62%), radial-gradient(90% 110% at 0% 100%, var(--field-warm), transparent 60%), linear-gradient(158deg, var(--field-2) 0%, var(--field) 58%, var(--field) 100%); } .hero::after { content: ""; position: absolute; z-index: -1; pointer-events: none; top: 0; bottom: 0; left: -100vw; right: -100vw; background-image: linear-gradient(to right, var(--field-line) 1px, transparent 1px), linear-gradient(to bottom, var(--field-line) 1px, transparent 1px); background-size: 84px 84px; opacity: .55; -webkit-mask-image: radial-gradient(120% 130% at 50% 0%, var(--mask-on) 6%, transparent 74%); mask-image: radial-gradient(120% 130% at 50% 0%, var(--mask-on) 6%, transparent 74%); } .hero h1 { font-size: var(--t-display-2); line-height: 1.02; letter-spacing: -0.034em; font-weight: 700; color: var(--on-field); margin: 0 0 18px; max-width: 18ch; } .hero h1 em { font-style: normal; color: var(--signal); } .hero > p:not([class]) { color: var(--on-field-soft); max-width: 58ch; font-size: 1.06em; line-height: 1.6; } .hero > p:last-child { margin-bottom: 0; } .hero .fine, .hero .lede { color: var(--on-field-soft); } .hero .lede .dot { color: var(--signal); } .hero a { color: var(--signal); } .hero a:hover { color: var(--on-field); } .hero :focus-visible { outline-color: var(--signal); } .hero .kicker { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 20px; padding: 6px 13px 6px 11px; border-radius: var(--r-full); background: var(--field-tint); box-shadow: inset 0 0 0 1px var(--field-edge); color: var(--signal); font-size: 12px; letter-spacing: 0.07em; justify-self: start; } .hero .kicker a { color: inherit; text-decoration: none; } .hero .kicker::before { content: ""; width: 6px; height: 6px; flex: none; border-radius: 50%; background: var(--signal); } @media (max-width: 559px) { .hero .kicker { border-radius: var(--r); align-items: flex-start; line-height: 1.5; letter-spacing: 0.06em; } .hero .kicker::before { margin-top: 5px; } } .hero.home { padding: clamp(36px, 5.2vw, 84px) 0 clamp(40px, 5.6vw, 88px); } .hero.home h1 { font-size: var(--t-display); letter-spacing: -0.038em; line-height: 0.99; max-width: 15ch; } .hero.home > p:not([class]) { font-size: 1.1em; max-width: 34em; line-height: 1.56; } .hero-art { display: block; min-width: 0; margin: 0; } .hero-art > svg, svg.hero-art { display: block; width: 100%; height: auto; overflow: visible; } .hero-art figcaption, .hero-art .cap { margin: 16px 0 0; font-family: var(--sans); font-size: var(--t-xs); line-height: 1.55; color: var(--on-field-soft); } .hero-art figcaption b, .hero-art .cap b { color: var(--signal); font-family: var(--mono); font-weight: 500; letter-spacing: 0.04em; } .hero > .hero-art { margin-top: clamp(28px, 4vw, 44px); max-width: 480px; } @media (min-width: 1000px) { .hero:has(> .hero-art) { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr); column-gap: clamp(36px, 4.5vw, 72px); align-items: center; } .hero:has(> .hero-art) > * { grid-column: 1; } .hero:has(> .hero-art) > .hero-art { grid-column: 2; grid-row: 1 / span 40; align-self: center; justify-self: center; margin-top: 0; max-width: 520px; width: 100%; } } .hero.article, .hero.tool { padding: clamp(22px, 2.6vw, 34px) 0 clamp(26px, 3vw, 40px); margin-bottom: clamp(28px, 3.4vw, 44px); } .hero.article h1, .hero.tool h1 { font-size: var(--t-h1); max-width: 24ch; } .hero.article .breadcrumbs, .hero.article nav[aria-label="Breadcrumb"] { color: var(--on-field-soft); } .hero.article .breadcrumbs a, .hero.article nav[aria-label="Breadcrumb"] a { color: var(--on-field-soft); } .hero.article .breadcrumbs a:hover, .hero.article nav[aria-label="Breadcrumb"] a:hover { color: var(--signal); } .hero + .hero { color: var(--ink); padding-top: 0; margin-top: 4px; } .hero + .hero::before, .hero + .hero::after { display: none; } .hero + .hero h1 { font-size: var(--t-h2); color: var(--ink); max-width: none; } .hero + .hero > p { color: var(--ink-soft); font-size: 1em; } .hero + .hero .kicker { background: var(--accent-bg); box-shadow: none; color: var(--accent-ink); } .hero + .hero .kicker::before { background: var(--accent); } .hero + .hero a { color: var(--accent); } aside.summary { background: var(--accent-bg); border: 1px solid var(--rule); border-left: 3px solid var(--accent); padding: 22px 26px 6px; margin: 0 0 34px; border-radius: var(--r-sm); } aside.summary h2 { border: 0; padding: 0; margin: 0 0 10px; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; font-family: var(--mono); font-weight: 500; color: var(--accent); } aside.summary p { font-size: 0.97em; color: var(--ink-soft); } aside.summary ul { font-size: 0.97em; } .scroll { overflow-x: auto; margin: 1.7em 0; border: 1px solid var(--rule); border-radius: var(--r-sm); background: var(--surface); } table { border-collapse: collapse; width: 100%; font-family: var(--sans); font-size: var(--t-sm); } thead th { background: var(--raised); text-align: left; font-weight: 600; color: var(--ink-soft); padding: 11px 14px; border-bottom: 1px solid var(--rule-firm); white-space: nowrap; font-size: 12.5px; letter-spacing: 0.05em; text-transform: uppercase; } tbody th { text-align: left; font-weight: 600; } td, tbody th { padding: 11px 14px; border-bottom: 1px solid var(--rule); vertical-align: top; } tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; } tbody tr:nth-child(even) { background: color-mix(in srgb, var(--raised) 45%, transparent); } td { font-variant-numeric: tabular-nums; } figure.chart { margin: 2em 0; padding: 0; } figure.chart svg { display: block; width: 100%; height: auto; } figure.chart figcaption { font-family: var(--sans); font-size: var(--t-xs); color: var(--muted); margin-top: 10px; line-height: 1.5; } figure.chart figcaption b { color: var(--ink-soft); font-weight: 600; } section.refs { margin-top: 3em; } section.refs h2 { font-size: 1.05rem; } ol.reflist { font-size: var(--t-sm); font-family: var(--sans); color: var(--ink-soft); padding-left: 1.6em; } ol.reflist li { margin-bottom: 0.7em; line-height: 1.5; } section.disclaimer { margin-top: 2.4em; } section.disclaimer h2 { font-size: 0.95rem; color: var(--muted); } .fine { font-size: 14.5px; color: var(--muted); font-family: var(--sans); line-height: 1.6; } .toc { display: none; } @media (min-width: 1080px) { .toc { display: block; position: sticky; top: 92px; font-family: var(--sans); font-size: 13.5px; max-height: calc(100vh - 130px); overflow-y: auto; } .toc h2 { font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin: 0 0 12px; border: 0; padding: 0; font-weight: 500; } .toc ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--rule); } .toc li { margin: 0; } .toc a { display: block; padding: 5px 0 5px 14px; margin-left: -1px; color: var(--muted); text-decoration: none; border-left: 2px solid transparent; line-height: 1.35; } .toc a:hover { color: var(--accent); border-left-color: var(--accent); } } .cards { display: grid; gap: 14px; margin: 30px 0; } @media (min-width: 720px) { .cards { grid-template-columns: repeat(2, 1fr); } } @media (min-width: 1040px) { .cards.three { grid-template-columns: repeat(3, 1fr); } } .card { background: var(--surface); padding: 22px 24px 20px; text-decoration: none; color: inherit; display: block; border-radius: var(--r); box-shadow: var(--e1), var(--ring); transition: transform .18s cubic-bezier(.2,.7,.3,1), box-shadow .18s; } .card:hover { transform: translateY(-3px); box-shadow: var(--e2), var(--ring); } .card h3 { margin: 0 0 6px; font-size: var(--t-h3); line-height: 1.2; color: var(--ink); } .card p { margin: 0; font-size: 14.5px; color: var(--muted); font-family: var(--sans); line-height: 1.5; } .card .n { font-family: var(--mono); font-size: var(--t-micro); color: var(--data); letter-spacing: 0.1em; text-transform: uppercase; display: block; margin-bottom: 10px; } .index-list { list-style: none; padding: 0; margin: 0; } .index-list li { border-bottom: 1px solid var(--rule); } .index-list li:first-child { border-top: 1px solid var(--rule); } .index-list a { display: block; padding: 17px 10px; text-decoration: none; color: inherit; border-radius: var(--r-sm); transition: background .14s, padding .14s; } .index-list a:hover { background: var(--surface); box-shadow: var(--e1); padding-inline: 16px; } .index-list a:hover .t { color: var(--accent); } .index-list .t { font-family: var(--display); font-weight: 650; font-size: 1.14rem; line-height: 1.24; letter-spacing: -0.02em; display: block; margin-bottom: 4px; color: var(--ink); } .index-list .d { font-family: var(--sans); font-size: var(--t-xs); color: var(--muted); line-height: 1.5; } footer.site { border-top: 1px solid var(--rule); background: var(--sunken); padding: 44px 0 52px; font-family: var(--sans); font-size: 14px; color: var(--muted); } footer.site .bar { display: block; min-height: 0; } footer.site nav { display: flex; flex-wrap: wrap; gap: 0 18px; margin-bottom: 14px; } footer.site nav a { display: inline-flex; align-items: center; min-height: 44px; } footer.site a { color: var(--ink-soft); text-decoration: none; } footer.site a:hover { color: var(--accent); text-decoration: underline; } footer.site p a { text-decoration: underline; text-decoration-color: color-mix(in srgb, currentColor 45%, transparent); text-underline-offset: 3px; } footer.site p { margin: 0 0 8px; max-width: 70ch; line-height: 1.6; } :focus-visible { outline: 2.5px solid var(--accent); outline-offset: 2px; border-radius: 3px; } @media (max-width: 620px) { body { font-size: 17.5px; line-height: 1.62; } h2 { margin-top: 2em; } .hero h1 { max-width: none; } } .deck { font-family: var(--sans); font-size: clamp(1.02rem, 2.1vw, 1.18rem); line-height: 1.45; font-weight: 500; color: var(--muted); margin: -2px 0 24px; max-width: 48ch; text-wrap: balance; } .hero .deck { color: var(--on-field-soft); max-width: 52ch; } .tool { margin: 8px 0 0; } .tool fieldset { border: 0; border-radius: var(--r); padding: 20px 22px 22px; margin: 0 0 18px; background: var(--surface); box-shadow: var(--e1), var(--ring); } .tool legend { font-family: var(--mono); font-size: var(--t-micro); letter-spacing: 0.11em; text-transform: uppercase; color: var(--data); padding: 0 10px; background: var(--data-bg); border-radius: var(--r-full); } .tool label { display: block; font-family: var(--sans); font-size: var(--t-sm); font-weight: 500; margin: 0 0 6px; color: var(--ink); } .tool .hint { display: block; font-family: var(--sans); font-size: 13.5px; color: var(--muted); font-weight: 400; margin-top: 3px; line-height: 1.45; } .tool .field { margin: 0 0 18px; } .tool .field:last-child { margin-bottom: 0; } .tool input[type="text"], .tool input[type="number"], .tool input[type="date"], .tool select, .tool textarea { font-family: var(--sans); font-size: 16px; color: var(--ink); background: var(--paper); border: 1px solid var(--rule-firm); border-radius: var(--r-xs); padding: 11px 12px; width: 100%; max-width: 26rem; min-height: 44px; } .tool input:focus-visible, .tool select:focus-visible, .tool textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; } .tool input[type="range"] { width: 100%; max-width: 26rem; accent-color: var(--accent); min-height: 44px; } .tool .choices { display: flex; flex-wrap: wrap; gap: 8px; } .tool .choices label { display: inline-flex; align-items: center; gap: 8px; margin: 0; border: 1px solid var(--rule-firm); border-radius: var(--r-full); padding: 9px 15px; min-height: 44px; cursor: pointer; font-size: 14.5px; font-weight: 500; background: var(--surface); transition: border-color .12s, background .12s; } .tool .choices label:hover { border-color: var(--accent); } .tool .choices input { accent-color: var(--accent); margin: 0; width: 16px; height: 16px; } .tool .choices input:checked + span, .tool .choices label:has(input:checked) { color: var(--accent-ink); } .tool .choices label:has(input:checked) { border-color: var(--accent); background: var(--accent-bg); } .tool .choices input:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; } .tool button, .tool .btn { font-family: var(--sans); font-size: var(--t-sm); font-weight: 600; background: var(--accent); color: var(--on-accent); border: 1px solid var(--accent); border-radius: var(--r-full); padding: 12px 22px; min-height: 44px; cursor: pointer; transition: background .14s, border-color .14s, transform .14s; } .tool button:hover { background: var(--accent-ink); border-color: var(--accent-ink); } .tool button.secondary { background: transparent; color: var(--accent); } .tool button.secondary:hover { background: var(--accent-bg); } .tool button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; } .tool .result { border: 0; border-left: 3px solid var(--data); background: var(--data-bg); border-radius: var(--r-sm); padding: 20px 22px; margin: 22px 0 0; box-shadow: var(--ring); } .tool .result h2, .tool .result h3 { font-family: var(--display); border: 0; padding: 0; margin: 0 0 10px; font-size: 1.12rem; letter-spacing: -0.02em; } .tool .result p { font-size: 15.5px; } .tool .result[hidden] { display: none; } .tool .readout { font-family: var(--mono); font-variant-numeric: tabular-nums; font-size: 1.6rem; font-weight: 500; color: var(--ink); } .tool .readout .unit { font-size: 0.6em; color: var(--muted); margin-left: 3px; } .tool .src { font-family: var(--mono); font-size: var(--t-micro); color: var(--muted); letter-spacing: 0.04em; white-space: nowrap; } .tool .flag { border: 0; border-left: 3px solid var(--warn); background: color-mix(in srgb, var(--warn) 10%, transparent); padding: 14px 16px; margin: 16px 0; border-radius: var(--r-sm); font-family: var(--sans); font-size: 14.5px; line-height: 1.55; } .tool .flag strong { color: var(--warn); } .tool-foot { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--rule); } .tool-disclaimer { font-family: var(--sans); font-size: 14px; color: var(--muted); line-height: 1.6; margin: 0 0 10px; } .tool-disclaimer strong { color: var(--ink-soft); } .tool-sources { font-family: var(--mono); font-size: 12px; color: var(--muted); margin: 0 0 10px; } .tool-related { font-family: var(--sans); font-size: 14px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 0 12px; align-items: baseline; } .tool-related a { text-transform: capitalize; display: inline-flex; align-items: center; min-height: 44px; } figure.figure-drawn svg { display: block; width: 100%; height: auto; margin: 0 auto; max-width: 640px; } @media (max-width: 620px) { .tool fieldset { padding: 16px 16px 18px; } .tool .choices label { font-size: 14px; padding: 9px 13px; } } .toc-mobile { display: none; } @media (max-width: 1079px) { .toc-mobile { display: block; margin: 0 0 28px; border: 0; border-radius: var(--r-sm); background: var(--surface); box-shadow: var(--e1), var(--ring); } .toc-mobile > summary { font-family: var(--sans); font-size: 14px; font-weight: 600; color: var(--ink-soft); padding: 13px 16px; cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; min-height: 44px; } .toc-mobile > summary::-webkit-details-marker { display: none; } .toc-mobile > summary::after { content: ""; width: 8px; height: 8px; margin-left: 10px; flex: none; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg) translateY(-2px); transition: transform .15s; } .toc-mobile[open] > summary::after { transform: rotate(-135deg) translateY(-2px); } .toc-mobile > summary .n { font-family: var(--mono); font-size: var(--t-micro); color: var(--muted); font-weight: 400; margin-left: auto; } .toc-mobile ol { margin: 0; padding: 0 16px 10px 34px; } .toc-mobile li { margin: 0; } .toc-mobile a { font-family: var(--sans); font-size: 14.5px; color: var(--ink-soft); text-decoration: none; line-height: 1.4; display: flex; align-items: center; min-height: 44px; padding: 4px 0; } .toc-mobile a:hover { color: var(--accent); } } .stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 0 0 44px; } @media (min-width: 760px) { .stats { grid-template-columns: repeat(4, 1fr); } } .stat { background: var(--surface); padding: 20px 20px 18px; border-radius: var(--r); box-shadow: var(--e1), var(--ring); } .stat .v { display: block; font-family: var(--display); font-weight: 700; font-size: clamp(32px, 5vw, 44px); line-height: 1; letter-spacing: -0.04em; color: var(--ink); font-variant-numeric: tabular-nums; } .stat .l { display: block; margin-top: 9px; font-family: var(--sans); font-size: var(--t-xs); line-height: 1.35; color: var(--muted); } .hero .stats { gap: 1px; margin: clamp(28px, 3.6vw, 44px) 0 0; background: var(--field-tint-2); border-radius: var(--r); overflow: hidden; } .hero .stat { background: var(--field-tint); box-shadow: none; border-radius: 0; } .hero .stat .v { color: var(--on-field); } .hero .stat .l { color: var(--on-field-soft); } .hero .stat:last-child .v { color: var(--signal); } .asks { display: grid; gap: 14px; margin: 22px 0 12px; } @media (min-width: 720px) { .asks { grid-template-columns: repeat(2, 1fr); } } .ask { background: var(--surface); padding: 24px 24px 20px; text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: 8px; border-radius: var(--r); box-shadow: var(--e1), var(--ring); position: relative; overflow: hidden; transition: transform .18s cubic-bezier(.2,.7,.3,1), box-shadow .18s; } .ask::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--signal-ink); transform: scaleY(0); transform-origin: top; transition: transform .22s; } .ask:hover { transform: translateY(-3px); box-shadow: var(--e2), var(--ring); } .ask:hover::before { transform: scaleY(1); } .ask .q { font-family: var(--display); font-weight: 650; font-size: var(--t-h3); line-height: 1.22; letter-spacing: -0.022em; color: var(--ink); } .ask .a { font-family: var(--sans); font-size: 14.5px; line-height: 1.5; color: var(--muted); } .ask .go { margin-top: auto; padding-top: 10px; font-family: var(--sans); font-size: 13.5px; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; } .ask .go svg { transition: transform .15s; } .ask:hover .go svg { transform: translateX(3px); } @media (prefers-reduced-motion: reduce) { .ask .go svg { transition: none; } } .asks-note { margin: 0 0 34px; } html { scroll-padding-top: 80px; } h2[id], h3[id], h4[id], [id^="fig-"], .refs, .disclaimer { scroll-margin-top: 80px; } @media (max-width: 1079px) { html { scroll-padding-top: 66px; } h2[id], h3[id], h4[id], [id^="fig-"] { scroll-margin-top: 66px; } } h2[id]:target, h3[id]:target, h4[id]:target { animation: anchor-land 1.4s ease-out 1; } @keyframes anchor-land { 0%, 45% { background: var(--accent-bg); box-shadow: -10px 0 0 var(--accent-bg), 10px 0 0 var(--accent-bg); } 100% { background: transparent; box-shadow: none; } } @media (prefers-reduced-motion: reduce) { h2[id]:target, h3[id]:target, h4[id]:target { animation: none; } } details.embed { margin: 14px 0 0; border-top: 1px solid var(--rule); padding-top: 10px; } details.embed > summary { font-family: var(--sans); font-size: 12.5px; font-weight: 600; color: var(--muted); cursor: pointer; list-style: none; display: inline-flex; align-items: center; gap: 7px; padding: 3px 0; min-height: 44px; } details.embed > summary::-webkit-details-marker { display: none; } details.embed > summary::before { content: ""; width: 6px; height: 6px; flex: none; border-right: 1.6px solid currentColor; border-bottom: 1.6px solid currentColor; transform: rotate(-45deg); transition: transform .15s; } details.embed[open] > summary::before { transform: rotate(45deg); } details.embed > summary:hover { color: var(--accent); } details.embed .fine { margin: 8px 0; font-size: 12.5px; } details.embed textarea { width: 100%; box-sizing: border-box; resize: vertical; font-family: var(--mono); font-size: 12px; line-height: 1.55; color: var(--ink-soft); background: var(--raised); border: 1px solid var(--rule); border-radius: var(--r-xs); padding: 10px 12px; } details.embed textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; } @media (prefers-reduced-motion: reduce) { details.embed > summary::before { transition: none; } } .fig-entry { margin: 0 0 54px; padding-bottom: 8px; border-bottom: 1px solid var(--rule); } .fig-entry:last-child { border-bottom: 0; } .fig-entry > h2 { margin-top: 0; } .fig-entry .fine a { color: var(--accent); } .qa { margin: 0 0 4px; padding: 0 0 0 16px; border-left: 2px solid var(--rule); } .qa + .qa { margin-top: 18px; } .qa > h3.q { margin: 0 0 6px; font-family: var(--display); font-size: 1.05rem; font-weight: 650; line-height: 1.35; color: var(--ink); letter-spacing: -0.012em; } .qa > p { margin: 0; color: var(--ink-soft); } .qa:hover { border-left-color: var(--signal-ink); } .qa > h3.q > .anchor { font-size: 0.85em; } @media (max-width: 560px) { figure.chart.figure-drawn { overflow-x: auto; -webkit-overflow-scrolling: touch; touch-action: pan-x pan-y; overscroll-behavior-x: contain; border: 1px solid var(--rule); border-radius: var(--r-sm); padding: 10px 10px 0; background: var(--surface); } figure.chart.figure-drawn > svg { min-width: 430px; margin: 0; } figure.chart.figure-drawn figcaption { padding: 0 2px 12px; } } .hero-art { position: relative; width: 100%; max-width: 560px; margin-inline: auto } .hero-art > svg { display: block; width: 100%; height: auto } .hero-art > svg.ha-narrow { display: none } .ha-code { font-family: var(--mono), ui-monospace, Menlo, Consolas, monospace; font-size: 11px; font-weight: 500; letter-spacing: .05em } .ha-src { font-family: var(--sans), -apple-system, "Segoe UI", system-ui, sans-serif; font-size: 9.5px; font-weight: 600; letter-spacing: .07em } .ha-val { font-family: var(--display), var(--serif), Georgia, serif; font-size: 34px; font-weight: 600; letter-spacing: -.03em } .ha-unit { font-size: 17px; letter-spacing: -.01em } .ha-lab { font-family: var(--sans), -apple-system, "Segoe UI", system-ui, sans-serif; font-size: 11px; font-weight: 500 } .ha-q { font-family: var(--serif), Georgia, serif; font-size: 10.5px; font-style: italic } .ha-cap { display: flex; gap: 12px; align-items: baseline; max-width: 560px; margin: 22px auto 0; font-family: var(--sans), -apple-system, "Segoe UI", system-ui, sans-serif; font-size: 13px; line-height: 1.55; color: var(--on-field-soft); } .ha-cap b { flex: none; font-family: var(--mono), ui-monospace, Menlo, Consolas, monospace; font-weight: 500; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--signal); } @media (prefers-reduced-motion: no-preference) { .ha-float { animation: ha-drift 21s ease-in-out infinite } .ha-float-2 { animation-duration: 26s; animation-delay: -7s } .ha-float-3 { animation-duration: 31s; animation-delay: -14s } } @keyframes ha-drift { 0%, 100% { transform: translateY(0) } 50% { transform: translateY(-5px) } } @media (max-width: 559px) { .hero-art > svg.ha-wide { display: none } .hero-art > svg.ha-narrow { display: block } .hero-art { max-width: 430px } .ha-cap { flex-direction: column; gap: 6px; margin-top: 18px } } main .layout:has(> article > .hero) { display: block; } main .layout:has(> article > .hero) > article { max-width: none; } main .layout:has(> article > .hero) > article > * { max-width: var(--measure); } main .layout:has(> article > .hero) > article > :is(.hero, .cards, .index-list, h2) { max-width: none; } main .layout:has(> article > .hero) > article > .fig-entry { max-width: 820px; } main > h2, main .layout:has(> article > .hero) > article > h2 { border-top: 0; padding-top: 0; margin: clamp(44px, 5vw, 72px) 0 0.45em; } main > h2::before, main .layout:has(> article > .hero) > article > h2::before { content: ""; display: block; width: 42px; height: 3px; margin-bottom: 18px; border-radius: var(--r-full); background: linear-gradient(90deg, var(--signal-ink), var(--signal)); } main .layout:has(> article > .tool) > article > :is(.kicker, h1, .deck) { position: relative; isolation: isolate; max-width: none; } main .layout:has(> article > .tool) > article > :is(.kicker, h1, .deck)::after { content: ""; position: absolute; z-index: -2; pointer-events: none; top: -1px; bottom: -1px; left: -100vw; right: -100vw; background-color: var(--field); } main .layout:has(> article > .tool) > article > .kicker { display: flex; align-items: center; gap: 10px; width: -moz-max-content; width: max-content; max-width: 100%; margin: 0; padding: clamp(30px, 4vw, 54px) 0 0; color: var(--signal); letter-spacing: 0.13em; } main .layout:has(> article > .tool) > article > .kicker::before { content: ""; flex: none; width: 22px; height: 2px; border-radius: var(--r-full); background: var(--signal); } main .layout:has(> article > .tool) > article > h1 { margin: 0; padding: 18px 0 0; font-size: var(--t-display-2); line-height: 1.02; letter-spacing: -0.034em; color: var(--on-field); max-width: 18ch; } main .layout:has(> article > .tool) > article > .deck { margin: 0 0 clamp(30px, 4vw, 48px); padding: 14px 0 clamp(34px, 4.4vw, 60px); color: var(--on-field-soft); font-weight: 400; font-size: 1.06em; line-height: 1.6; max-width: 58ch; } main .layout:has(> article > .tool) > article > h1:not(:has(+ .deck)) { padding-bottom: clamp(34px, 4.4vw, 60px); margin-bottom: clamp(30px, 4vw, 48px); } main .layout:has(> article > .tool) > article > .kicker :focus-visible, main .layout:has(> article > .tool) > article > .deck :focus-visible { outline-color: var(--signal); } main .tool .result { border: 0; border-radius: var(--r); padding: clamp(22px, 2.6vw, 30px) clamp(22px, 2.6vw, 32px); color: var(--on-field); background-color: var(--field); background-image: radial-gradient(110% 130% at 88% 0%, var(--field-glow), transparent 62%), linear-gradient(150deg, var(--field-2) 0%, var(--field) 58%); } main .tool .result :is(h2, h3) { border-top: 0; padding-top: 0; color: var(--on-field); } main .tool .result p { color: var(--on-field-soft); } main .tool .result strong, main .tool .result b { color: var(--on-field); } main .tool .result a { color: var(--signal); } main .tool .result :focus-visible { outline-color: var(--signal); } main .tool .result .readout { font-family: var(--display); font-weight: 700; font-size: clamp(2rem, 3.4vw, 2.75rem); line-height: 1; letter-spacing: -0.04em; color: var(--signal); } main .tool .result .readout .unit { color: var(--on-field-soft); } main .tool .result .src { color: var(--on-field-soft); } main .tool .flag { border: 0; border-left: 4px solid var(--signal); border-radius: var(--r-sm); background: var(--signal-tint); color: var(--signal-ink); } main .tool .flag strong { color: var(--signal-ink); } main .tool-foot { margin-top: 36px; padding: 22px 24px; border-top: 0; border-radius: var(--r); background: var(--sunken); } main .fig-entry { margin: 0 0 clamp(24px, 3vw, 38px); padding: clamp(18px, 2vw, 28px); border: 0; border-bottom: 0; border-radius: var(--r-lg); background: var(--sunken); } main .fig-entry > h2 { border-top: 0; padding-top: 0; margin: 0 0 16px; } main .fig-entry > h2::before { content: none; } main .fig-entry figure.chart.figure-drawn { margin: 0 0 14px; padding: clamp(14px, 1.8vw, 22px) clamp(8px, 1.4vw, 18px); background: var(--paper); border-radius: var(--r); box-shadow: var(--ring); } main .fig-entry figure.chart figcaption { max-width: 80ch; } main .fig-entry .fine { margin: 0; max-width: 80ch; } main details.embed { margin: 14px 0 0; padding: 0; border-top: 0; } main details.embed > summary { background: var(--surface); color: var(--ink-soft); border-radius: var(--r-full); box-shadow: var(--ring); padding: 7px 16px; width: -moz-max-content; width: max-content; max-width: 100%; } main details.embed[open] > summary { margin-bottom: 10px; } main details.embed textarea { background: var(--surface); border: 0; box-shadow: var(--ring); border-radius: var(--r-sm); } main .rsrch .rs-hero { position: relative; isolation: isolate; border: 0; border-radius: 0; background: none; color: var(--on-field); margin: 0 0 clamp(32px, 4vw, 52px); padding: clamp(30px, 4vw, 54px) 0 clamp(34px, 4.4vw, 60px); } main .rsrch .rs-hero::before { content: ""; position: absolute; z-index: -2; pointer-events: none; top: 0; bottom: 0; left: -100vw; right: -100vw; background-color: var(--field); background-image: radial-gradient(110% 130% at 82% 0%, var(--field-glow), transparent 62%), radial-gradient(90% 110% at 0% 100%, var(--field-warm), transparent 60%), linear-gradient(158deg, var(--field-2) 0%, var(--field) 58%, var(--field) 100%); } main .rsrch .rs-hero::after { content: ""; position: absolute; z-index: -1; pointer-events: none; top: 0; bottom: 0; left: -100vw; right: -100vw; background-image: linear-gradient(to right, var(--field-line) 1px, transparent 1px), linear-gradient(to bottom, var(--field-line) 1px, transparent 1px); background-size: 84px 84px; opacity: .55; -webkit-mask-image: radial-gradient(120% 130% at 50% 0%, var(--mask-on) 6%, transparent 74%); mask-image: radial-gradient(120% 130% at 50% 0%, var(--mask-on) 6%, transparent 74%); } main .rsrch .rs-kicker { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 20px; padding: 6px 14px; border-radius: var(--r-full); background: var(--field-tint); box-shadow: inset 0 0 0 1px var(--field-edge); color: var(--signal); font-size: var(--t-micro); letter-spacing: 0.11em; } main .rsrch .rs-kicker::before { content: ""; width: 6px; height: 6px; flex: none; border-radius: 50%; background: var(--signal); } main .rsrch .rs-hero h1 { font-family: var(--display); font-weight: 700; font-size: var(--t-display-2); line-height: 1.02; letter-spacing: -0.034em; color: var(--on-field); max-width: 18ch; margin: 0 0 18px; } main .rsrch .rs-hero h1 em { font-style: normal; color: var(--signal); text-decoration: none; } main .rsrch .rs-deck { color: var(--on-field-soft); max-width: 58ch; } main .rsrch .rs-fetched { color: var(--on-field-soft); } main .rsrch .rs-hero a { color: var(--signal); } main .rsrch .rs-hero :focus-visible { outline-color: var(--signal); } main .rsrch .rs-stats { border: 0; border-radius: var(--r); overflow: hidden; background: var(--field-tint-2); gap: 1px; margin: clamp(28px, 3.6vw, 44px) 0 0; } main .rsrch .rs-stats > div { background: var(--field-tint); padding: 18px 18px 16px; } main .rsrch .rs-stats dt { color: var(--on-field-soft); } main .rsrch .rs-stats dd { font-family: var(--display); font-weight: 700; letter-spacing: -0.03em; color: var(--on-field); } main .rsrch .rs-banner { border: 0; border-left: 4px solid var(--accent); border-radius: var(--r-sm); background: var(--sunken); } main .rsrch .rs-banner.rs-bad { border-left-color: var(--signal); background: var(--signal-tint); } main .rsrch .rs-banner.rs-bad p { color: var(--signal-ink); } main .rsrch .rs-warn { border: 0; border-radius: var(--r-lg); background: var(--sunken); } main .rsrch .rs-warn li { border-left-color: var(--signal); } main .rsrch .rs-listing-head { border-bottom: 3px solid var(--signal); } main .rsrch .rs-item { border-radius: var(--r-sm); padding: 20px 12px; } main .rsrch .rs-item:hover { background: var(--surface); box-shadow: var(--e1); } main .rsrch .rs-type { border: 0; border-radius: var(--r-full); background: var(--signal-tint); color: var(--signal-ink); } main .rsrch .rs-topic { border-radius: var(--r-full); } main .rsrch .rs-stats dt, main .rsrch .rs-note, main .rsrch .rs-type, main .rsrch .rs-id, main .rsrch .rs-topic, main .rsrch .rs-qn { font-size: 12px; } main .rsrch .rs-queries { border-top: 3px solid var(--signal); } main .rsrch .rs-q { border: 0; border-radius: var(--r); background: var(--surface); box-shadow: var(--e1), var(--ring); } main .rsrch .rs-term { border: 0; border-radius: var(--r-sm); background: var(--sunken); } main .rgs-pform label { color: var(--ink); font-size: var(--t-sm); } main .rgs-pin { background: var(--surface); border: 0; box-shadow: inset 0 0 0 1px var(--rule-firm); border-radius: var(--r-full); padding-inline: 20px; min-height: 50px; } main .rgs-pgo { border-radius: var(--r-full); padding: 0 26px; min-height: 50px; } main .rgs-pcount { font-size: 12px; } main .rgs-noscript, main .rgs-pnone { background: var(--sunken); border: 0; border-radius: var(--r); padding: 18px 20px; color: var(--ink-soft); } @media (max-width: 620px) { main .fig-entry { border-radius: var(--r); padding: 14px; } main .fig-entry figure.chart.figure-drawn { border-radius: var(--r-sm); padding: 12px 8px 0; } main .tool-foot { padding: 18px 18px 20px; } main .rsrch .rs-item { padding-inline: 6px; } main > h2::before, main .layout:has(> article > .hero) > article > h2::before { margin-bottom: 14px; } } @media print { main .layout:has(> article > .tool) > article > :is(.kicker, h1, .deck), main .rsrch .rs-hero, main .rsrch .rs-hero :is(h1, h1 em, .rs-kicker, .rs-deck, .rs-fetched, a), main .rsrch .rs-stats > div, main .rsrch .rs-stats :is(dt, dd) { background: none; box-shadow: none; color: var(--print-ink); margin-inline: 0; padding-inline: 0; border-radius: 0; } main .layout:has(> article > .tool) > article > .deck, main .rsrch .rs-hero :is(.rs-deck, .rs-fetched), main .rsrch .rs-stats dt { color: var(--print-soft); } main .layout:has(> article > .tool) > article > .kicker::before, main .rsrch .rs-hero::before, main .rsrch .rs-hero::after, main .rsrch .rs-kicker::before { display: none; } main .tool .result { background: none; color: var(--print-ink); border: 1px solid var(--rule-firm); break-inside: avoid; } main .tool .result :is(h2, h3, strong, b, a) { color: var(--print-ink); } main .tool .result p, main .tool .result .src { color: var(--print-soft); } main .tool .result .readout { color: var(--print-ink); } main .fig-entry, main .rsrch .rs-item { background: none; break-inside: avoid; } } :root { --art-display: var(--serif); --art-field: var(--field); --art-on-field: var(--on-field); --art-on-field-soft:var(--on-field-soft); --art-signal: var(--signal); --art-hot: var(--signal-ink); --art-tint: var(--signal-tint); --art-measure: 61ch; --art-r: 14px; --art-rs: 10px; } @media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --art-field: var(--field); --art-on-field: var(--on-field); --art-on-field-soft:var(--on-field-soft); --art-signal: var(--signal); } } :root[data-theme="dark"] { --art-field: var(--field); --art-on-field: var(--on-field); --art-on-field-soft:var(--on-field-soft); --art-signal: var(--signal); } .layout > article { max-width: var(--art-measure); font-size: 21px; line-height: 1.7; } @media (max-width: 1079px) { .layout > article { margin-inline: auto; } } @media (max-width: 620px) { .layout > article { font-size: 18.5px; line-height: 1.66; } } .layout > article p { margin: 0 0 1.1em; } .layout > article > .crumbs, .layout > article > .kicker, .layout > article > h1, .layout > article > .lede, .layout > article > h1 + .deck { background: var(--art-field); color: var(--art-on-field); margin-block: 0; margin-inline: calc(var(--pad, 24px) * -1); padding-inline: var(--pad, 24px); box-shadow: 0 1px 0 var(--art-field); } .layout > article > .crumbs, .layout > article > .kicker:first-child { padding-top: 30px; border-radius: var(--art-r) var(--art-r) 0 0; box-shadow: inset 0 4px 0 var(--art-signal), 0 1px 0 var(--art-field); } .layout > article > .lede, .layout > article > h1 + .deck { padding-bottom: 30px; border-radius: 0 0 var(--art-r) var(--art-r); margin-bottom: 36px; box-shadow: none; } .layout > article > h1:not(:has(+ .lede, + .deck)) { padding-bottom: 30px; border-radius: 0 0 var(--art-r) var(--art-r); margin-bottom: 36px; box-shadow: none; } @media (max-width: 719px) { .layout > article > .crumbs, .layout > article > .kicker:first-child, .layout > article > .lede, .layout > article > h1 + .deck { border-radius: 0; } .layout > article > h1:not(:has(+ .lede, + .deck)) { border-radius: 0; } } .layout > article > .crumbs { font-size: 13px; } .layout > article > .crumbs a { color: var(--art-on-field-soft); display: inline-flex; align-items: center; min-height: 44px; } .layout > article > .crumbs a:hover { color: var(--art-signal); } .layout > article > .crumbs li + li::before { color: var(--art-on-field-soft); opacity: 0.5; } .layout > article > .crumbs [aria-current="page"] { color: var(--art-on-field); } .layout > article > p.kicker { font-family: var(--mono); font-size: 12px; font-weight: 500; line-height: 1.4; letter-spacing: 0.15em; text-transform: uppercase; color: var(--art-signal); padding-top: 16px; } .layout > article > p.kicker a { color: inherit; } .layout > article > p.kicker a:hover { color: var(--art-on-field); } .layout > article h1 { font-family: var(--art-display); font-weight: 600; font-size: clamp(2.15rem, 5.2vw, 3.4rem); line-height: 1.03; letter-spacing: -0.028em; text-wrap: balance; } .layout > article > h1 { color: var(--art-on-field); padding-top: 12px; margin-bottom: 0; } .layout > article > .lede { font-family: var(--sans); font-size: 14.5px; line-height: 1.5; color: var(--art-on-field-soft); padding-top: 18px; } .layout > article > .lede .dot { color: var(--art-signal); opacity: 0.75; } .layout > article > h1 + .deck { font-family: var(--sans); font-weight: 400; font-size: clamp(1rem, 1.6vw, 1.14rem); line-height: 1.5; color: var(--art-on-field-soft); padding-top: 16px; max-width: none; } @media (min-width: 720px) { .layout > article > h1 + .deck { padding-right: 26%; } } .layout > article > .crumbs a:focus-visible, .layout > article > .kicker a:focus-visible { outline: 2px solid var(--art-signal); outline-offset: 3px; } .layout > article > .lede:has(+ aside.keyfacts) { padding-bottom: 58px; margin-bottom: 0; } .layout > article > .lede + aside.keyfacts { margin-top: -34px; position: relative; } aside.keyfacts { background: var(--surface); border: 1px solid var(--rule); border-top: 0; border-radius: var(--art-r); padding: 22px 24px 18px; margin: 0 0 34px; box-shadow: inset 0 3px 0 var(--art-hot), 0 16px 38px -20px color-mix(in srgb, var(--ink) 55%, transparent); } aside.keyfacts h2 { font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--art-hot); margin: 0 0 16px; } .keyfacts ul { gap: 18px 26px; } .keyfacts li { display: flex; flex-direction: column; } .kf-v { font-family: var(--mono); font-size: 1.6rem; font-weight: 500; line-height: 1.05; color: var(--ink); margin: 0 0 6px; } .kf-u { font-size: 0.52em; color: var(--art-hot); margin-left: 3px; } .kf-l { font-family: var(--sans); font-size: 13.5px; line-height: 1.4; color: var(--ink-soft); margin: 0 0 6px; flex: 1 1 auto; } .keyfacts .kf-s { font-family: var(--mono); font-size: 12px; letter-spacing: 0.09em; color: var(--muted); margin: 0; } .kf-note { font-family: var(--sans); font-size: 12.5px; line-height: 1.5; color: var(--muted); margin: 16px 0 0; padding-top: 14px; border-top: 1px solid var(--rule); } .layout > article > h2 { font-family: var(--art-display); font-weight: 600; font-size: clamp(1.55rem, 2.7vw, 2rem); line-height: 1.16; letter-spacing: -0.022em; color: var(--ink); margin: 2.5em 0 0.5em; padding-top: 26px; border-top: 1px solid var(--rule); position: relative; text-wrap: balance; } .layout > article > h2::before { content: ""; position: absolute; top: -2px; left: 0; width: 46px; height: 3px; background: var(--art-hot); border-radius: 2px; } .layout > article > h2:first-of-type { margin-top: 1.6em; } .layout > article > h3 { font-family: var(--sans); font-weight: 600; font-size: 1.02em; letter-spacing: 0.01em; line-height: 1.35; color: var(--ink); margin: 2em 0 0.45em; } .layout > article > h4 { margin: 1.7em 0 0.3em; } .layout > article p a, .layout > article li a, .layout > article td a { text-decoration-color: color-mix(in srgb, currentColor 38%, transparent); text-decoration-thickness: 1px; text-underline-offset: 3px; transition: text-decoration-color .14s; } .layout > article p a:hover, .layout > article li a:hover, .layout > article td a:hover { text-decoration-color: currentColor; } .layout > article > ul, .layout > article > ol { margin: 0 0 1.25em; padding-left: 1.3em; } .layout > article > ul > li, .layout > article > ol > li { margin-bottom: 0.4em; padding-left: 0.15em; } .layout > article > ul > li::marker { color: var(--art-hot); } .layout > article > ol > li::marker { font-family: var(--mono); font-size: 0.85em; color: var(--art-hot); } .layout > article li > strong:first-child { color: var(--ink); font-weight: 600; } .layout > article blockquote:not([class]) { margin: 1.9em 0; padding: 18px 24px; border-left: 3px solid var(--art-hot); border-radius: 0 var(--art-rs) var(--art-rs) 0; background: var(--raised); color: var(--ink-soft); font-style: italic; font-size: 1.02em; } .layout > article blockquote:not([class]) p:last-child { margin-bottom: 0; } aside.summary { background: var(--art-tint); border: 0; border-radius: var(--art-r); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--art-hot) 26%, transparent); padding: 26px 28px 8px; margin: 0 0 40px; } aside.summary h2 { display: inline-block; background: var(--art-field); color: var(--art-on-field); font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; padding: 6px 13px 5px; border-radius: 999px; margin: 0 0 16px; } aside.summary p { font-size: 1.01em; color: var(--ink); } aside.summary ul { font-size: 1em; color: var(--ink); } aside.summary li::marker { color: var(--art-hot); } .layout > article > .deck { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: 1.16em; line-height: 1.45; color: var(--ink-soft); max-width: 40ch; margin: 0 0 26px; } .layout > article .scroll { margin: 2.1em 0; border: 1px solid var(--rule); border-radius: var(--art-rs); } .layout > article .scroll table { font-size: 15.5px; } .layout > article .scroll thead th { background: var(--art-field); color: var(--art-on-field); border-bottom: 0; font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.09em; padding: 13px 14px; } .layout > article .scroll tbody tr:nth-child(even) { background: color-mix(in srgb, var(--art-tint) 42%, transparent); } .layout > article .scroll td, .layout > article .scroll tbody th { padding: 12px 14px; } .layout > article .scroll tbody th { color: var(--ink); } @media (min-width: 561px) { .layout > article figure.chart { margin: 2.4em 0; padding: 20px 22px 18px; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--art-r); } .layout > article figure.chart::before { content: "Figure"; display: block; font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--art-hot); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--rule); } .layout > article figure.chart figcaption { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--rule); } .fig-entry figure.chart::before { display: none; } } .layout > article figure.chart figcaption { font-size: 14px; line-height: 1.55; color: var(--muted); } .layout > article figure.chart figcaption b { color: var(--ink); font-weight: 600; } .layout > article figure.chart details.embed { border-top-color: var(--rule); } .qa { margin: 0; padding: 18px 20px 16px; background: var(--surface); border: 1px solid var(--rule); border-left: 3px solid var(--rule-firm); border-radius: var(--art-rs); transition: border-left-color .15s; } .qa + .qa { margin-top: 10px; } .qa:hover { border-left-color: var(--art-hot); } .qa > h3.q { font-family: var(--art-display); font-size: 1.12em; font-weight: 600; line-height: 1.28; letter-spacing: -0.012em; color: var(--ink); margin: 0 0 8px; } .qa > p { font-size: 0.96em; color: var(--ink-soft); } .layout > article > section.refs { margin-top: 3.4em; padding-top: 26px; border-top: 3px solid var(--rule-firm); } .layout > article > section.refs > h2 { font-family: var(--art-display); font-weight: 600; font-size: 1.4rem; letter-spacing: -0.02em; color: var(--ink); border: 0; padding: 0; margin: 0 0 16px; } ol.reflist { font-size: 14.5px; line-height: 1.55; padding-left: 1.9em; } ol.reflist li { margin-bottom: 0.6em; } ol.reflist li::marker { font-family: var(--mono); font-size: 12px; color: var(--art-hot); } .layout > article > section.disclaimer { margin-top: 2.4em; padding: 20px 22px 6px; background: var(--raised); border-radius: var(--art-rs); } .layout > article > section.disclaimer > h2 { font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); border: 0; padding: 0; margin: 0 0 10px; } .fine { font-size: 14px; line-height: 1.65; } .layout > article > section:not(.refs):not(.disclaimer) > h2 { font-family: var(--art-display); font-weight: 600; font-size: 1.4rem; letter-spacing: -0.02em; border: 0; padding: 0; margin: 3em 0 6px; } .layout > article .index-list a { padding: 16px 12px 16px 0; border-radius: var(--art-rs); transition: background .14s, padding .14s; } .layout > article .index-list a:hover { background: var(--raised); padding-inline: 12px; } .layout > article .index-list .t { font-family: var(--art-display); font-weight: 600; font-size: 1.06rem; letter-spacing: -0.015em; } @media (min-width: 1080px) { .toc { top: 96px; font-size: 14px; max-height: calc(100vh - 140px); } .toc h2 { font-size: 12px; letter-spacing: 0.16em; color: var(--art-hot); margin-bottom: 14px; } .toc ol { border-left: 2px solid var(--rule); } .toc a { padding: 7px 0 7px 16px; margin-left: -2px; border-left: 2px solid transparent; color: var(--muted); line-height: 1.35; transition: color .12s, border-color .12s; } .toc a:hover { color: var(--ink); border-left-color: var(--rule-firm); } nav.toc a.is-here { color: var(--ink); font-weight: 600; border-left-color: var(--art-hot); } } @media (max-width: 1079px) { .toc-mobile { border-radius: var(--art-rs); background: var(--surface); margin: 0 0 30px; } .toc-mobile > summary { font-size: 14.5px; color: var(--ink); } .toc-mobile > summary::after { border-color: var(--art-hot); } .toc-mobile > summary .n { letter-spacing: 0.06em; } .toc-mobile a { font-size: 15px; padding: 4px 0; } } button.totop { background: var(--art-field); color: var(--art-on-field); border-color: transparent; box-shadow: 0 8px 22px -8px color-mix(in srgb, var(--ink) 60%, transparent); } button.totop:hover { color: var(--art-signal); border-color: transparent; } button.totop:focus-visible { outline: 2.5px solid var(--accent); outline-offset: 2px; } @media print { .layout > article > .crumbs, .layout > article > .kicker, .layout > article > h1, .layout > article > .lede { background: transparent; color: var(--print-ink); margin-inline: 0; padding-inline: 0; box-shadow: none; border-radius: 0; } .layout > article > p.kicker, .layout > article > .crumbs a, .layout > article > .crumbs, .layout > article > .lede { color: var(--print-soft); } .layout > article > h1::before, .layout > article > .crumbs::before { display: none; } button.totop { display: none; } aside.keyfacts { margin-top: 0; break-inside: avoid; } .qa, figure.chart, .summary { break-inside: avoid; } } .hero.article > .crumbs, .hero.tool > .crumbs { font-size: 13px; } .hero.article > .crumbs a, .hero.tool > .crumbs a { color: var(--art-on-field-soft, var(--on-field-soft)); display: inline-flex; align-items: center; min-height: 44px; } .hero.article > .crumbs [aria-current], .hero.tool > .crumbs [aria-current] { color: var(--art-on-field-soft, var(--on-field-soft)); opacity: 0.72; } .hero.article > .crumbs ol, .hero.tool > .crumbs ol { flex-wrap: wrap; } .hero.article > .kicker a, .hero.tool > .kicker a { color: inherit; text-decoration: none; } .hero.article > .kicker a:hover, .hero.tool > .kicker a:hover { text-decoration: underline; text-underline-offset: 3px; } .bar .rgs-panel { border: 0; border-radius: var(--r); box-shadow: var(--e3), var(--ring); } .bar .rgs-hit { border-bottom-color: var(--rule); } .bar .rgs-hit[aria-selected="true"] { background: var(--accent-bg); } .bar .rgs-all { border-top-color: var(--rule); border-radius: 0 0 var(--r) var(--r); } @media print { html { scroll-padding-top: 0; } header.site { position: static; } .skip, .rgs, .toc, .toc-mobile { display: none !important; } .hero { color: var(--print-ink); padding-top: 0; } .hero::before, .hero::after { display: none; } .hero h1, .hero h1 em, .hero h2, .hero h3 { color: var(--print-ink); } .hero > p:not([class]), .hero .fine, .hero .lede { color: var(--print-soft); } .hero a { color: var(--print-ink); } .hero .lede .dot { color: var(--print-soft); } .hero .kicker { background: none; box-shadow: none; padding-inline: 0; color: var(--print-soft); letter-spacing: 0.1em; } .hero .kicker::before { background: var(--print-soft); } .stat, .card, .ask, figure.chart, .qa { break-inside: avoid; } .stat .v { color: var(--print-ink); } } main .layout:has(> article > .hero) { display: block; } main .layout:has(> article > .hero) > article { max-width: none; } main .layout:has(> article > .hero) > article > * { max-width: var(--measure); } main .layout:has(> article > .hero) > article > :is(.hero, .cards, .index-list, h2) { max-width: none; } main .layout:has(> article > .hero) > article > .fig-entry { max-width: 820px; } main > h2, main .layout:has(> article > .hero) > article > h2 { border-top: 0; padding-top: 0; margin: clamp(44px, 5vw, 72px) 0 0.45em; } main > h2::before, main .layout:has(> article > .hero) > article > h2::before { content: ""; display: block; width: 42px; height: 3px; margin-bottom: 18px; border-radius: var(--r-full); background: linear-gradient(90deg, var(--signal-ink), var(--signal)); } main .layout:has(> article > .tool) > article > :is(.kicker, h1, .deck) { position: relative; isolation: isolate; max-width: none; } main .layout:has(> article > .tool) > article > :is(.kicker, h1, .deck)::after { content: ""; position: absolute; z-index: -2; pointer-events: none; top: -1px; bottom: -1px; left: -100vw; right: -100vw; background-color: var(--field); } main .layout:has(> article > .tool) > article > .kicker { display: flex; align-items: center; gap: 10px; width: -moz-max-content; width: max-content; max-width: 100%; margin: 0; padding: clamp(30px, 4vw, 54px) 0 0; color: var(--signal); letter-spacing: 0.13em; } main .layout:has(> article > .tool) > article > .kicker::before { content: ""; flex: none; width: 22px; height: 2px; border-radius: var(--r-full); background: var(--signal); } main .layout:has(> article > .tool) > article > h1 { margin: 0; padding: 18px 0 0; font-size: var(--t-display-2); line-height: 1.02; letter-spacing: -0.034em; color: var(--on-field); max-width: 18ch; } main .layout:has(> article > .tool) > article > .deck { margin: 0 0 clamp(30px, 4vw, 48px); padding: 14px 0 clamp(34px, 4.4vw, 60px); color: var(--on-field-soft); font-weight: 400; font-size: 1.06em; line-height: 1.6; max-width: 58ch; } main .layout:has(> article > .tool) > article > h1:not(:has(+ .deck)) { padding-bottom: clamp(34px, 4.4vw, 60px); margin-bottom: clamp(30px, 4vw, 48px); } main .layout:has(> article > .tool) > article > .kicker :focus-visible, main .layout:has(> article > .tool) > article > .deck :focus-visible { outline-color: var(--signal); } main .tool .result { border: 0; border-radius: var(--r); padding: clamp(22px, 2.6vw, 30px) clamp(22px, 2.6vw, 32px); color: var(--on-field); background-color: var(--field); background-image: radial-gradient(110% 130% at 88% 0%, var(--field-glow), transparent 62%), linear-gradient(150deg, var(--field-2) 0%, var(--field) 58%); } main .tool .result :is(h2, h3) { border-top: 0; padding-top: 0; color: var(--on-field); } main .tool .result p { color: var(--on-field-soft); } main .tool .result strong, main .tool .result b { color: var(--on-field); } main .tool .result a { color: var(--signal); } main .tool .result :focus-visible { outline-color: var(--signal); } main .tool .result .readout { font-family: var(--display); font-weight: 700; font-size: clamp(2rem, 3.4vw, 2.75rem); line-height: 1; letter-spacing: -0.04em; color: var(--signal); } main .tool .result .readout .unit { color: var(--on-field-soft); } main .tool .result .src { color: var(--on-field-soft); } main .tool .flag { border: 0; border-left: 4px solid var(--signal); border-radius: var(--r-sm); background: var(--signal-tint); color: var(--signal-ink); } main .tool .flag strong { color: var(--signal-ink); } main .tool-foot { margin-top: 36px; padding: 22px 24px; border-top: 0; border-radius: var(--r); background: var(--sunken); } main .fig-entry { margin: 0 0 clamp(24px, 3vw, 38px); padding: clamp(18px, 2vw, 28px); border: 0; border-bottom: 0; border-radius: var(--r-lg); background: var(--sunken); } main .fig-entry > h2 { border-top: 0; padding-top: 0; margin: 0 0 16px; } main .fig-entry > h2::before { content: none; } main .fig-entry figure.chart.figure-drawn { margin: 0 0 14px; padding: clamp(14px, 1.8vw, 22px) clamp(8px, 1.4vw, 18px); background: var(--paper); border-radius: var(--r); box-shadow: var(--ring); } main .fig-entry figure.chart figcaption { max-width: 80ch; } main .fig-entry .fine { margin: 0; max-width: 80ch; } main details.embed { margin: 14px 0 0; padding: 0; border-top: 0; } main details.embed > summary { background: var(--surface); color: var(--ink-soft); border-radius: var(--r-full); box-shadow: var(--ring); padding: 7px 16px; width: -moz-max-content; width: max-content; max-width: 100%; } main details.embed[open] > summary { margin-bottom: 10px; } main details.embed textarea { background: var(--surface); border: 0; box-shadow: var(--ring); border-radius: var(--r-sm); } main .rsrch .rs-hero { position: relative; isolation: isolate; border: 0; border-radius: 0; background: none; color: var(--on-field); margin: 0 0 clamp(32px, 4vw, 52px); padding: clamp(30px, 4vw, 54px) 0 clamp(34px, 4.4vw, 60px); } main .rsrch .rs-hero::before { content: ""; position: absolute; z-index: -2; pointer-events: none; top: 0; bottom: 0; left: -100vw; right: -100vw; background-color: var(--field); background-image: radial-gradient(110% 130% at 82% 0%, var(--field-glow), transparent 62%), radial-gradient(90% 110% at 0% 100%, var(--field-warm), transparent 60%), linear-gradient(158deg, var(--field-2) 0%, var(--field) 58%, var(--field) 100%); } main .rsrch .rs-hero::after { content: ""; position: absolute; z-index: -1; pointer-events: none; top: 0; bottom: 0; left: -100vw; right: -100vw; background-image: linear-gradient(to right, var(--field-line) 1px, transparent 1px), linear-gradient(to bottom, var(--field-line) 1px, transparent 1px); background-size: 84px 84px; opacity: .55; -webkit-mask-image: radial-gradient(120% 130% at 50% 0%, var(--mask-on) 6%, transparent 74%); mask-image: radial-gradient(120% 130% at 50% 0%, var(--mask-on) 6%, transparent 74%); } main .rsrch .rs-kicker { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 20px; padding: 6px 14px; border-radius: var(--r-full); background: var(--field-tint); box-shadow: inset 0 0 0 1px var(--field-edge); color: var(--signal); font-size: var(--t-micro); letter-spacing: 0.11em; } main .rsrch .rs-kicker::before { content: ""; width: 6px; height: 6px; flex: none; border-radius: 50%; background: var(--signal); } main .rsrch .rs-hero h1 { font-family: var(--display); font-weight: 700; font-size: var(--t-display-2); line-height: 1.02; letter-spacing: -0.034em; color: var(--on-field); max-width: 18ch; margin: 0 0 18px; } main .rsrch .rs-hero h1 em { font-style: normal; color: var(--signal); text-decoration: none; } main .rsrch .rs-deck { color: var(--on-field-soft); max-width: 58ch; } main .rsrch .rs-fetched { color: var(--on-field-soft); } main .rsrch .rs-hero a { color: var(--signal); } main .rsrch .rs-hero :focus-visible { outline-color: var(--signal); } main .rsrch .rs-stats { border: 0; border-radius: var(--r); overflow: hidden; background: var(--field-tint-2); gap: 1px; margin: clamp(28px, 3.6vw, 44px) 0 0; } main .rsrch .rs-stats > div { background: var(--field-tint); padding: 18px 18px 16px; } main .rsrch .rs-stats dt { color: var(--on-field-soft); } main .rsrch .rs-stats dd { font-family: var(--display); font-weight: 700; letter-spacing: -0.03em; color: var(--on-field); } main .rsrch .rs-banner { border: 0; border-left: 4px solid var(--accent); border-radius: var(--r-sm); background: var(--sunken); } main .rsrch .rs-banner.rs-bad { border-left-color: var(--signal); background: var(--signal-tint); } main .rsrch .rs-banner.rs-bad p { color: var(--signal-ink); } main .rsrch .rs-warn { border: 0; border-radius: var(--r-lg); background: var(--sunken); } main .rsrch .rs-warn li { border-left-color: var(--signal); } main .rsrch .rs-listing-head { border-bottom: 3px solid var(--signal); } main .rsrch .rs-item { border-radius: var(--r-sm); padding: 20px 12px; } main .rsrch .rs-item:hover { background: var(--surface); box-shadow: var(--e1); } main .rsrch .rs-type { border: 0; border-radius: var(--r-full); background: var(--signal-tint); color: var(--signal-ink); } main .rsrch .rs-topic { border-radius: var(--r-full); } main .rsrch .rs-stats dt, main .rsrch .rs-note, main .rsrch .rs-type, main .rsrch .rs-id, main .rsrch .rs-topic, main .rsrch .rs-qn { font-size: 12px; } main .rsrch .rs-queries { border-top: 3px solid var(--signal); } main .rsrch .rs-q { border: 0; border-radius: var(--r); background: var(--surface); box-shadow: var(--e1), var(--ring); } main .rsrch .rs-term { border: 0; border-radius: var(--r-sm); background: var(--sunken); } main .rgs-pform label { color: var(--ink); font-size: var(--t-sm); } main .rgs-pin { background: var(--surface); border: 0; box-shadow: inset 0 0 0 1px var(--rule-firm); border-radius: var(--r-full); padding-inline: 20px; min-height: 50px; } main .rgs-pgo { border-radius: var(--r-full); padding: 0 26px; min-height: 50px; } main .rgs-pcount { font-size: 12px; } main .rgs-noscript, main .rgs-pnone { background: var(--sunken); border: 0; border-radius: var(--r); padding: 18px 20px; color: var(--ink-soft); } @media (max-width: 620px) { main .fig-entry { border-radius: var(--r); padding: 14px; } main .fig-entry figure.chart.figure-drawn { border-radius: var(--r-sm); padding: 12px 8px 0; } main .tool-foot { padding: 18px 18px 20px; } main .rsrch .rs-item { padding-inline: 6px; } main > h2::before, main .layout:has(> article > .hero) > article > h2::before { margin-bottom: 14px; } } @media print { main .layout:has(> article > .tool) > article > :is(.kicker, h1, .deck), main .rsrch .rs-hero, main .rsrch .rs-hero :is(h1, h1 em, .rs-kicker, .rs-deck, .rs-fetched, a), main .rsrch .rs-stats > div, main .rsrch .rs-stats :is(dt, dd) { background: none; box-shadow: none; color: var(--print-ink); margin-inline: 0; padding-inline: 0; border-radius: 0; } main .layout:has(> article > .tool) > article > .deck, main .rsrch .rs-hero :is(.rs-deck, .rs-fetched), main .rsrch .rs-stats dt { color: var(--print-soft); } main .layout:has(> article > .tool) > article > .kicker::before, main .rsrch .rs-hero::before, main .rsrch .rs-hero::after, main .rsrch .rs-kicker::before { display: none; } main .tool .result { background: none; color: var(--print-ink); border: 1px solid var(--rule-firm); break-inside: avoid; } main .tool .result :is(h2, h3, strong, b, a) { color: var(--print-ink); } main .tool .result p, main .tool .result .src { color: var(--print-soft); } main .tool .result .readout { color: var(--print-ink); } main .fig-entry, main .rsrch .rs-item { background: none; break-inside: avoid; } } :root { --art-display: var(--serif); --art-field: var(--field); --art-on-field: var(--on-field); --art-on-field-soft:var(--on-field-soft); --art-signal: var(--signal); --art-hot: var(--signal-ink); --art-tint: var(--signal-tint); --art-measure: 61ch; --art-r: 14px; --art-rs: 10px; } @media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --art-field: var(--field); --art-on-field: var(--on-field); --art-on-field-soft:var(--on-field-soft); --art-signal: var(--signal); } } :root[data-theme="dark"] { --art-field: var(--field); --art-on-field: var(--on-field); --art-on-field-soft:var(--on-field-soft); --art-signal: var(--signal); } .layout > article { max-width: var(--art-measure); font-size: 21px; line-height: 1.7; } @media (max-width: 1079px) { .layout > article { margin-inline: auto; } } @media (max-width: 620px) { .layout > article { font-size: 18.5px; line-height: 1.66; } } .layout > article p { margin: 0 0 1.1em; } .layout > article > .crumbs, .layout > article > .kicker, .layout > article > h1, .layout > article > .lede, .layout > article > h1 + .deck { background: var(--art-field); color: var(--art-on-field); margin-block: 0; margin-inline: calc(var(--pad, 24px) * -1); padding-inline: var(--pad, 24px); box-shadow: 0 1px 0 var(--art-field); } .layout > article > .crumbs, .layout > article > .kicker:first-child { padding-top: 30px; border-radius: var(--art-r) var(--art-r) 0 0; box-shadow: inset 0 4px 0 var(--art-signal), 0 1px 0 var(--art-field); } .layout > article > .lede, .layout > article > h1 + .deck { padding-bottom: 30px; border-radius: 0 0 var(--art-r) var(--art-r); margin-bottom: 36px; box-shadow: none; } .layout > article > h1:not(:has(+ .lede, + .deck)) { padding-bottom: 30px; border-radius: 0 0 var(--art-r) var(--art-r); margin-bottom: 36px; box-shadow: none; } @media (max-width: 719px) { .layout > article > .crumbs, .layout > article > .kicker:first-child, .layout > article > .lede, .layout > article > h1 + .deck { border-radius: 0; } .layout > article > h1:not(:has(+ .lede, + .deck)) { border-radius: 0; } } .layout > article > .crumbs { font-size: 13px; } .layout > article > .crumbs a { color: var(--art-on-field-soft); display: inline-flex; align-items: center; min-height: 44px; } .layout > article > .crumbs a:hover { color: var(--art-signal); } .layout > article > .crumbs li + li::before { color: var(--art-on-field-soft); opacity: 0.5; } .layout > article > .crumbs [aria-current="page"] { color: var(--art-on-field); } .layout > article > p.kicker { font-family: var(--mono); font-size: 12px; font-weight: 500; line-height: 1.4; letter-spacing: 0.15em; text-transform: uppercase; color: var(--art-signal); padding-top: 16px; } .layout > article > p.kicker a { color: inherit; } .layout > article > p.kicker a:hover { color: var(--art-on-field); } .layout > article h1 { font-family: var(--art-display); font-weight: 600; font-size: clamp(2.15rem, 5.2vw, 3.4rem); line-height: 1.03; letter-spacing: -0.028em; text-wrap: balance; } .layout > article > h1 { color: var(--art-on-field); padding-top: 12px; margin-bottom: 0; } .layout > article > .lede { font-family: var(--sans); font-size: 14.5px; line-height: 1.5; color: var(--art-on-field-soft); padding-top: 18px; } .layout > article > .lede .dot { color: var(--art-signal); opacity: 0.75; } .layout > article > h1 + .deck { font-family: var(--sans); font-weight: 400; font-size: clamp(1rem, 1.6vw, 1.14rem); line-height: 1.5; color: var(--art-on-field-soft); padding-top: 16px; max-width: none; } @media (min-width: 720px) { .layout > article > h1 + .deck { padding-right: 26%; } } .layout > article > .crumbs a:focus-visible, .layout > article > .kicker a:focus-visible { outline: 2px solid var(--art-signal); outline-offset: 3px; } .layout > article > .lede:has(+ aside.keyfacts) { padding-bottom: 58px; margin-bottom: 0; } .layout > article > .lede + aside.keyfacts { margin-top: -34px; position: relative; } aside.keyfacts { background: var(--surface); border: 1px solid var(--rule); border-top: 0; border-radius: var(--art-r); padding: 22px 24px 18px; margin: 0 0 34px; box-shadow: inset 0 3px 0 var(--art-hot), 0 16px 38px -20px color-mix(in srgb, var(--ink) 55%, transparent); } aside.keyfacts h2 { font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--art-hot); margin: 0 0 16px; } .keyfacts ul { gap: 18px 26px; } .keyfacts li { display: flex; flex-direction: column; } .kf-v { font-family: var(--mono); font-size: 1.6rem; font-weight: 500; line-height: 1.05; color: var(--ink); margin: 0 0 6px; } .kf-u { font-size: 0.52em; color: var(--art-hot); margin-left: 3px; } .kf-l { font-family: var(--sans); font-size: 13.5px; line-height: 1.4; color: var(--ink-soft); margin: 0 0 6px; flex: 1 1 auto; } .keyfacts .kf-s { font-family: var(--mono); font-size: 12px; letter-spacing: 0.09em; color: var(--muted); margin: 0; } .kf-note { font-family: var(--sans); font-size: 12.5px; line-height: 1.5; color: var(--muted); margin: 16px 0 0; padding-top: 14px; border-top: 1px solid var(--rule); } .layout > article > h2 { font-family: var(--art-display); font-weight: 600; font-size: clamp(1.55rem, 2.7vw, 2rem); line-height: 1.16; letter-spacing: -0.022em; color: var(--ink); margin: 2.5em 0 0.5em; padding-top: 26px; border-top: 1px solid var(--rule); position: relative; text-wrap: balance; } .layout > article > h2::before { content: ""; position: absolute; top: -2px; left: 0; width: 46px; height: 3px; background: var(--art-hot); border-radius: 2px; } .layout > article > h2:first-of-type { margin-top: 1.6em; } .layout > article > h3 { font-family: var(--sans); font-weight: 600; font-size: 1.02em; letter-spacing: 0.01em; line-height: 1.35; color: var(--ink); margin: 2em 0 0.45em; } .layout > article > h4 { margin: 1.7em 0 0.3em; } .layout > article p a, .layout > article li a, .layout > article td a { text-decoration-color: color-mix(in srgb, currentColor 38%, transparent); text-decoration-thickness: 1px; text-underline-offset: 3px; transition: text-decoration-color .14s; } .layout > article p a:hover, .layout > article li a:hover, .layout > article td a:hover { text-decoration-color: currentColor; } .layout > article > ul, .layout > article > ol { margin: 0 0 1.25em; padding-left: 1.3em; } .layout > article > ul > li, .layout > article > ol > li { margin-bottom: 0.4em; padding-left: 0.15em; } .layout > article > ul > li::marker { color: var(--art-hot); } .layout > article > ol > li::marker { font-family: var(--mono); font-size: 0.85em; color: var(--art-hot); } .layout > article li > strong:first-child { color: var(--ink); font-weight: 600; } .layout > article blockquote:not([class]) { margin: 1.9em 0; padding: 18px 24px; border-left: 3px solid var(--art-hot); border-radius: 0 var(--art-rs) var(--art-rs) 0; background: var(--raised); color: var(--ink-soft); font-style: italic; font-size: 1.02em; } .layout > article blockquote:not([class]) p:last-child { margin-bottom: 0; } aside.summary { background: var(--art-tint); border: 0; border-radius: var(--art-r); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--art-hot) 26%, transparent); padding: 26px 28px 8px; margin: 0 0 40px; } aside.summary h2 { display: inline-block; background: var(--art-field); color: var(--art-on-field); font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; padding: 6px 13px 5px; border-radius: 999px; margin: 0 0 16px; } aside.summary p { font-size: 1.01em; color: var(--ink); } aside.summary ul { font-size: 1em; color: var(--ink); } aside.summary li::marker { color: var(--art-hot); } .layout > article > .deck { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: 1.16em; line-height: 1.45; color: var(--ink-soft); max-width: 40ch; margin: 0 0 26px; } .layout > article .scroll { margin: 2.1em 0; border: 1px solid var(--rule); border-radius: var(--art-rs); } .layout > article .scroll table { font-size: 15.5px; } .layout > article .scroll thead th { background: var(--art-field); color: var(--art-on-field); border-bottom: 0; font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.09em; padding: 13px 14px; } .layout > article .scroll tbody tr:nth-child(even) { background: color-mix(in srgb, var(--art-tint) 42%, transparent); } .layout > article .scroll td, .layout > article .scroll tbody th { padding: 12px 14px; } .layout > article .scroll tbody th { color: var(--ink); } @media (min-width: 561px) { .layout > article figure.chart { margin: 2.4em 0; padding: 20px 22px 18px; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--art-r); } .layout > article figure.chart::before { content: "Figure"; display: block; font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--art-hot); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--rule); } .layout > article figure.chart figcaption { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--rule); } .fig-entry figure.chart::before { display: none; } } .layout > article figure.chart figcaption { font-size: 14px; line-height: 1.55; color: var(--muted); } .layout > article figure.chart figcaption b { color: var(--ink); font-weight: 600; } .layout > article figure.chart details.embed { border-top-color: var(--rule); } .qa { margin: 0; padding: 18px 20px 16px; background: var(--surface); border: 1px solid var(--rule); border-left: 3px solid var(--rule-firm); border-radius: var(--art-rs); transition: border-left-color .15s; } .qa + .qa { margin-top: 10px; } .qa:hover { border-left-color: var(--art-hot); } .qa > h3.q { font-family: var(--art-display); font-size: 1.12em; font-weight: 600; line-height: 1.28; letter-spacing: -0.012em; color: var(--ink); margin: 0 0 8px; } .qa > p { font-size: 0.96em; color: var(--ink-soft); } .layout > article > section.refs { margin-top: 3.4em; padding-top: 26px; border-top: 3px solid var(--rule-firm); } .layout > article > section.refs > h2 { font-family: var(--art-display); font-weight: 600; font-size: 1.4rem; letter-spacing: -0.02em; color: var(--ink); border: 0; padding: 0; margin: 0 0 16px; } ol.reflist { font-size: 14.5px; line-height: 1.55; padding-left: 1.9em; } ol.reflist li { margin-bottom: 0.6em; } ol.reflist li::marker { font-family: var(--mono); font-size: 12px; color: var(--art-hot); } .layout > article > section.disclaimer { margin-top: 2.4em; padding: 20px 22px 6px; background: var(--raised); border-radius: var(--art-rs); } .layout > article > section.disclaimer > h2 { font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); border: 0; padding: 0; margin: 0 0 10px; } .fine { font-size: 14px; line-height: 1.65; } .layout > article > section:not(.refs):not(.disclaimer) > h2 { font-family: var(--art-display); font-weight: 600; font-size: 1.4rem; letter-spacing: -0.02em; border: 0; padding: 0; margin: 3em 0 6px; } .layout > article .index-list a { padding: 16px 12px 16px 0; border-radius: var(--art-rs); transition: background .14s, padding .14s; } .layout > article .index-list a:hover { background: var(--raised); padding-inline: 12px; } .layout > article .index-list .t { font-family: var(--art-display); font-weight: 600; font-size: 1.06rem; letter-spacing: -0.015em; } @media (min-width: 1080px) { .toc { top: 96px; font-size: 14px; max-height: calc(100vh - 140px); } .toc h2 { font-size: 12px; letter-spacing: 0.16em; color: var(--art-hot); margin-bottom: 14px; } .toc ol { border-left: 2px solid var(--rule); } .toc a { padding: 7px 0 7px 16px; margin-left: -2px; border-left: 2px solid transparent; color: var(--muted); line-height: 1.35; transition: color .12s, border-color .12s; } .toc a:hover { color: var(--ink); border-left-color: var(--rule-firm); } nav.toc a.is-here { color: var(--ink); font-weight: 600; border-left-color: var(--art-hot); } } @media (max-width: 1079px) { .toc-mobile { border-radius: var(--art-rs); background: var(--surface); margin: 0 0 30px; } .toc-mobile > summary { font-size: 14.5px; color: var(--ink); } .toc-mobile > summary::after { border-color: var(--art-hot); } .toc-mobile > summary .n { letter-spacing: 0.06em; } .toc-mobile a { font-size: 15px; padding: 4px 0; } } button.totop { background: var(--art-field); color: var(--art-on-field); border-color: transparent; box-shadow: 0 8px 22px -8px color-mix(in srgb, var(--ink) 60%, transparent); } button.totop:hover { color: var(--art-signal); border-color: transparent; } button.totop:focus-visible { outline: 2.5px solid var(--accent); outline-offset: 2px; } @media print { .layout > article > .crumbs, .layout > article > .kicker, .layout > article > h1, .layout > article > .lede { background: transparent; color: var(--print-ink); margin-inline: 0; padding-inline: 0; box-shadow: none; border-radius: 0; } .layout > article > p.kicker, .layout > article > .crumbs a, .layout > article > .crumbs, .layout > article > .lede { color: var(--print-soft); } .layout > article > h1::before, .layout > article > .crumbs::before { display: none; } button.totop { display: none; } aside.keyfacts { margin-top: 0; break-inside: avoid; } .qa, figure.chart, .summary { break-inside: avoid; } } .hero.article > .crumbs, .hero.tool > .crumbs { font-size: 13px; } .hero.article > .crumbs a, .hero.tool > .crumbs a { color: var(--art-on-field-soft, var(--on-field-soft)); display: inline-flex; align-items: center; min-height: 44px; } .hero.article > .crumbs [aria-current], .hero.tool > .crumbs [aria-current] { color: var(--art-on-field-soft, var(--on-field-soft)); opacity: 0.72; } .hero.article > .crumbs ol, .hero.tool > .crumbs ol { flex-wrap: wrap; } .hero.article > .kicker a, .hero.tool > .kicker a { color: inherit; text-decoration: none; } .hero.article > .kicker a:hover, .hero.tool > .kicker a:hover { text-decoration: underline; text-underline-offset: 3px; } .hero-art { position: relative; width: 100%; max-width: 560px; margin-inline: auto } .hero-art > svg { display: block; width: 100%; height: auto } .hero-art > svg.ha-narrow { display: none } .ha-code { font-family: var(--mono), ui-monospace, Menlo, Consolas, monospace; font-size: 11px; font-weight: 500; letter-spacing: .05em } .ha-src { font-family: var(--sans), -apple-system, "Segoe UI", system-ui, sans-serif; font-size: 9.5px; font-weight: 600; letter-spacing: .07em } .ha-val { font-family: var(--display), var(--serif), Georgia, serif; font-size: 34px; font-weight: 600; letter-spacing: -.03em } .ha-unit { font-size: 17px; letter-spacing: -.01em } .ha-lab { font-family: var(--sans), -apple-system, "Segoe UI", system-ui, sans-serif; font-size: 11px; font-weight: 500 } .ha-q { font-family: var(--serif), Georgia, serif; font-size: 10.5px; font-style: italic } .ha-cap { display: flex; gap: 12px; align-items: baseline; max-width: 560px; margin: 22px auto 0; font-family: var(--sans), -apple-system, "Segoe UI", system-ui, sans-serif; font-size: 13px; line-height: 1.55; color: var(--on-field-soft); } .ha-cap b { flex: none; font-family: var(--mono), ui-monospace, Menlo, Consolas, monospace; font-weight: 500; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--signal); } @media (prefers-reduced-motion: no-preference) { .ha-float { animation: ha-drift 21s ease-in-out infinite } .ha-float-2 { animation-duration: 26s; animation-delay: -7s } .ha-float-3 { animation-duration: 31s; animation-delay: -14s } } @keyframes ha-drift { 0%, 100% { transform: translateY(0) } 50% { transform: translateY(-5px) } } @media (max-width: 559px) { .hero-art > svg.ha-wide { display: none } .hero-art > svg.ha-narrow { display: block } .hero-art { max-width: 430px } .ha-cap { flex-direction: column; gap: 6px; margin-top: 18px } } .mny{margin:2.5rem 0;padding:1.25rem 1.25rem 1.5rem;border:1px solid var(--rule-firm); border-radius:var(--r-lg);background:var(--field-tint)} .mny-h{font:600 var(--t-h3)/1.2 var(--sans);margin:0 0 .35rem;letter-spacing:-.01em} .mny-disc{font:400 var(--t-sm)/1.5 var(--sans);color:var(--ink-soft);margin:0 0 1.25rem; padding-bottom:1rem;border-bottom:1px solid var(--rule)} .mny-disc b{color:var(--ink)} .mny-item{padding:1rem 0;border-bottom:1px solid var(--rule)} .mny-item:last-child{border-bottom:0;padding-bottom:0} .mny-name{font:600 var(--t-body)/1.3 var(--sans);margin:0 0 .4rem} .mny-verdict{font:400 var(--t-sm)/1.55 var(--sans);color:var(--ink-soft);margin:0 0 .5rem} .mny-tag{display:inline-block;font:600 var(--t-xs)/1 var(--sans);text-transform:uppercase; letter-spacing:.06em;padding:.3em .55em;border-radius:var(--r-xs);margin-right:.45rem; vertical-align:.08em;background:var(--field-2);color:var(--ink)} .mny-for{background:var(--accent-bg);color:var(--accent-ink)} .mny-caution,.mny-against{background:var(--signal-tint);color:var(--signal-ink)} .mny-cond,.mny-note{font:400 var(--t-sm)/1.6 var(--sans);color:var(--ink-soft);margin:0 0 .6rem} .mny-cond{padding-left:.75rem;border-left:2px solid var(--signal)} .mny-route{font:400 var(--t-sm)/1.6 var(--sans);color:var(--ink-soft);margin:0 0 .6rem} .mny-route b{color:var(--ink)} .mny-none{font:400 var(--t-sm)/1.5 var(--sans);color:var(--muted);margin:.25rem 0 0;font-style:italic} .mny-go{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;flex-wrap:wrap; min-height:44px;padding:.7rem .9rem;margin:.4rem 0 0;border:1px solid var(--rule-firm); border-radius:var(--r-sm);background:var(--surface);text-decoration:none;color:var(--ink)} .mny-go:hover{border-color:var(--accent);background:var(--accent-bg)} .mny-go-label{font:500 var(--t-sm)/1.4 var(--sans)} .mny-go-meta{font:400 var(--t-xs)/1.4 var(--mono);color:var(--muted);white-space:nowrap} .mny-src{font:500 var(--t-xs)/1 var(--mono);color:var(--muted)} .mny-src-inline{font:400 var(--t-xs)/1 var(--mono);color:var(--muted)} .mny-withheld{font:400 var(--t-sm)/1.7 var(--sans)} @media (max-width:520px){.mny{padding:1rem}.mny-go{flex-direction:column;gap:.15rem}} .sub{margin:2.5rem 0 0;padding:1.5rem;border:1px solid var(--rule-firm);border-radius:var(--r-lg); background:var(--field-tint-2,var(--field-tint))} .sub-h{font:600 var(--t-h3)/1.2 var(--sans);margin:0 0 .5rem;letter-spacing:-.01em} .sub-p{font:400 var(--t-sm)/1.6 var(--sans);color:var(--ink-soft);margin:0 0 1rem;max-width:52ch} .sub-lab{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap} .sub-row{display:flex;gap:.5rem;flex-wrap:wrap} .sub-in{flex:1 1 16rem;min-height:44px;padding:.6rem .8rem;border:1px solid var(--rule-firm); border-radius:var(--r-sm);background:var(--surface);color:var(--ink); font:400 var(--t-sm)/1.4 var(--sans)} .sub-in:focus-visible{outline:2px solid var(--accent);outline-offset:1px} .sub-go{min-height:44px;padding:.6rem 1.1rem;border:1px solid transparent;border-radius:var(--r-sm); background:var(--accent);color:var(--on-accent);font:600 var(--t-sm)/1.4 var(--sans);cursor:pointer} .sub-go:hover{filter:brightness(1.08)} .sub-go[disabled]{opacity:.55;cursor:default} .sub-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden} .sub-note{font:400 var(--t-xs)/1.6 var(--sans);color:var(--muted);margin:.75rem 0 0;max-width:60ch} .sub-msg{font:500 var(--t-sm)/1.6 var(--sans);margin:.75rem 0 0} .sub-ok{color:var(--good,var(--accent))} .sub-bad{color:var(--signal-ink,var(--ink))} @media (max-width:520px){.sub{padding:1.1rem}.sub-go{flex:1 1 100%}} .lic-t{width:100%;border-collapse:collapse;margin:1rem 0 .5rem; font:400 var(--t-sm)/1.5 var(--sans)} .lic-t th,.lic-t td{text-align:left;padding:.65rem .6rem;border-bottom:1px solid var(--rule); vertical-align:top} .lic-t th{font-weight:600;color:var(--ink);border-bottom-color:var(--rule-firm)} .lic-t td{color:var(--ink-soft)} .lic-t .lic-p{text-align:right;white-space:nowrap;font-family:var(--mono);color:var(--ink)} @media (max-width:520px){.lic-t th:nth-child(2),.lic-t td:nth-child(2){display:none}} .figure-raster picture,.figure-raster img{display:block;width:100%;height:auto;max-width:620px;margin:0 auto} .figure-raster img{border-radius:var(--r-sm);border:1px solid var(--rule)} .tcta{margin:1rem 0 1.5rem;display:grid;gap:.5rem} .tcta-row{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:.7rem;row-gap:.1rem; align-items:baseline;padding:.7rem .9rem;min-height:44px;border:1px solid var(--rule-firm);border-radius:var(--r); background:var(--field-tint);text-decoration:none;color:var(--ink)} .tcta-row:hover{border-color:var(--accent);background:var(--accent-bg)} .tcta-k{grid-row:1;font:600 var(--t-xs)/1 var(--sans);text-transform:uppercase;letter-spacing:.07em;color:var(--accent-ink)} .tcta-t{grid-row:1;font:600 var(--t-sm)/1.35 var(--sans)} .tcta-i{grid-column:2;grid-row:2;font:400 var(--t-xs)/1.5 var(--sans);color:var(--ink-soft)} @media (max-width:520px){.tcta-row{grid-template-columns:1fr}.tcta-k{grid-row:1}.tcta-t{grid-row:2}.tcta-i{grid-column:1;grid-row:3}} .rgs { position: relative; font-family: var(--sans); flex: 1 1 190px; min-width: 44px; max-width: 300px; } .rgs-form { position: relative; margin: 0; display: block; } .rgs [hidden], .rgs-page [hidden] { display: none !important; } .rgs-vh { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; } .rgs-ico { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; } .rgs-in { width: 100%; height: 44px; min-height: 44px; padding: 0 34px 0 35px; margin: 0; font-family: var(--sans); font-size: 15px; font-weight: 500; line-height: 1.2; color: var(--ink); background: var(--paper); border: 1px solid var(--rule-firm); border-radius: 999px; -webkit-appearance: none; appearance: none; } .rgs-in::placeholder { color: var(--muted); opacity: 1; } .rgs-in::-webkit-search-cancel-button, .rgs-in::-webkit-search-decoration { -webkit-appearance: none; display: none; } .rgs-in:hover { border-color: var(--accent); } .rgs-in:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; } .rgs-clear { position: absolute; right: 0; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; padding: 0; display: flex; align-items: center; justify-content: center; background: transparent; border: 0; border-radius: 999px; cursor: pointer; color: var(--muted); } .rgs-clear:hover { color: var(--ink); } .rgs-clear:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; } .rgs-go:focus-visible { position: absolute; right: 3px; top: 50%; transform: translateY(-50%); width: auto; height: 36px; margin: 0; padding: 0 14px; clip: auto; clip-path: none; overflow: visible; white-space: nowrap; z-index: 9; font-family: var(--sans); font-size: 13px; font-weight: 600; color: var(--accent-ink); background: var(--accent-bg); border: 1px solid var(--accent); border-radius: 999px; cursor: pointer; outline: 2px solid var(--accent); outline-offset: 1px; } .rgs-panel { position: absolute; z-index: 6; top: calc(100% + 8px); right: 0; width: min(92vw, 400px); background: var(--surface); border: 1px solid var(--rule-firm); border-radius: 4px; box-shadow: 0 12px 34px color-mix(in srgb, var(--ink) 16%, transparent); max-height: min(70vh, 460px); overflow-y: auto; overscroll-behavior: contain; } .rgs-list { list-style: none; margin: 0; padding: 0; } .rgs-list li { margin: 0; } .rgs-hit { display: block; padding: 10px 15px 11px 12px; min-height: 44px; text-decoration: none; color: var(--ink); border-left: 3px solid transparent; border-bottom: 1px solid var(--rule); } .rgs-list li:last-child .rgs-hit { border-bottom: 0; } .rgs-hit .t { display: block; font-size: 15px; font-weight: 600; line-height: 1.35; } .rgs-hit .c { display: block; margin-top: 3px; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); } .rgs-hit:hover { background: var(--raised); } .rgs-hit[aria-selected="true"] { background: var(--accent-bg); border-left-color: var(--accent); } .rgs-hit[aria-selected="true"] .t { color: var(--accent-ink); } .rgs-hit mark { background: var(--data-bg); color: var(--ink); border-radius: 2px; padding: 0 1px; } .rgs-empty { margin: 0; padding: 14px 15px; font-size: 14px; color: var(--muted); line-height: 1.5; } .rgs-empty a { color: var(--accent); } .rgs-all { display: block; padding: 12px 15px; min-height: 44px; position: sticky; bottom: 0; border-top: 1px solid var(--rule); background: var(--raised); font-size: 13.5px; font-weight: 600; color: var(--accent); text-decoration: none; } .rgs-all:hover { background: var(--accent-bg); text-decoration: underline; } .rgs-all:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; } @media (max-width: 1199px) { .rgs { flex: 0 0 44px; max-width: 44px; min-width: 44px; height: 44px; margin-left: auto; } .rgs-form { height: 100%; } .rgs-in { width: 44px; padding: 0 0 0 40px; background: transparent; border-color: transparent; } .rgs-in::placeholder { color: transparent; } .rgs-ico { left: 14px; } .rgs:focus-within .rgs-in, .rgs[data-open] .rgs-in { position: absolute; right: 0; top: 50%; transform: translateY(-50%); z-index: 7; width: min(78vw, 340px); padding: 0 40px 0 16px; background: var(--paper); border-color: var(--rule-firm); } .rgs:focus-within .rgs-in::placeholder, .rgs[data-open] .rgs-in::placeholder { color: var(--muted); } .rgs:focus-within .rgs-ico, .rgs[data-open] .rgs-ico { display: none; } .rgs-clear { z-index: 8; } .rgs-panel { width: min(92vw, 360px); } } @media (max-width: 560px) { .bar:has(.rgs:focus-within) .wordmark, .bar:has(.rgs[data-open]) .wordmark { visibility: hidden; } } .rgs-page { max-width: var(--measure); } .rgs-pform { margin: 0 0 22px; } .rgs-pform label { display: block; font-family: var(--sans); font-size: 15px; font-weight: 500; color: var(--ink); margin: 0 0 8px; } .rgs-prow { display: flex; gap: 10px; flex-wrap: wrap; } .rgs-pin { flex: 1 1 240px; min-width: 0; min-height: 48px; font-family: var(--sans); font-size: 16px; color: var(--ink); background: var(--surface); border: 1px solid var(--rule-firm); border-radius: 3px; padding: 12px 14px; -webkit-appearance: none; appearance: none; } .rgs-pin::placeholder { color: var(--muted); opacity: 1; } .rgs-pin:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; } .rgs-pgo { font-family: var(--sans); font-size: 15px; font-weight: 600; background: var(--accent); color: var(--surface); border: 1px solid var(--accent); border-radius: 3px; padding: 12px 22px; min-height: 48px; cursor: pointer; } .rgs-pgo:hover { background: var(--accent-ink); border-color: var(--accent-ink); } .rgs-pgo:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; } .rgs-pcount { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin: 0 0 6px; min-height: 1.2em; } .rgs-presults { margin: 0; } .rgs-presults .c { display: block; margin-top: 5px; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); } .rgs-presults mark { background: var(--data-bg); color: var(--ink); border-radius: 2px; padding: 0 1px; } .rgs-noscript, .rgs-pnone { font-family: var(--sans); font-size: 15px; color: var(--muted); line-height: 1.6; border-left: 3px solid var(--rule-firm); padding: 2px 0 2px 16px; margin: 8px 0 0; } @media (max-width: 620px) { .rgs-pgo { flex: 1 1 100%; } } .crumbs { font-family: var(--sans); font-size: 13px; margin: 0 0 14px; } .crumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 6px; } .crumbs li { margin: 0; display: flex; align-items: baseline; gap: 6px; min-width: 0; } .crumbs li + li::before { content: "/"; color: var(--rule-firm); } .crumbs a { color: var(--muted); text-decoration: none; padding: 8px 0; margin: -8px 0; } .crumbs a:hover { color: var(--accent); text-decoration: underline; } .crumbs [aria-current="page"] { color: var(--ink-soft); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 22ch; } @media (min-width: 720px) { .crumbs [aria-current="page"] { max-width: 48ch; } } .rp { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 30; pointer-events: none; } .rp-i { height: 100%; width: 100%; transform: scaleX(0); transform-origin: 0 50%; background: var(--accent); } .totop { position: fixed; z-index: 25; right: max(14px, env(safe-area-inset-right)); bottom: max(16px, env(safe-area-inset-bottom)); display: inline-flex; align-items: center; gap: 7px; min-height: 44px; min-width: 44px; padding: 0 15px; font-family: var(--sans); font-size: 13.5px; font-weight: 600; line-height: 1; color: var(--accent); background: var(--surface); border: 1px solid var(--rule-firm); border-radius: 999px; cursor: pointer; box-shadow: 0 2px 10px color-mix(in srgb, var(--ink) 14%, transparent); transition: opacity .18s ease, transform .18s ease, visibility .18s; } .totop:hover { color: var(--accent-ink); border-color: var(--accent); } .totop[data-on="0"] { opacity: 0; visibility: hidden; transform: translateY(8px); } @media (prefers-reduced-motion: reduce) { .totop { transition: none; } } .keyfacts { border: 1px solid var(--rule); border-top: 3px solid var(--data); background: var(--surface); border-radius: 3px; padding: 16px 18px 14px; margin: 0 0 30px; } .keyfacts h2 { border: 0; padding: 0; margin: 0 0 12px; font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--data); } .keyfacts ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 15px; } @media (min-width: 560px) { .keyfacts ul { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 22px; } } .keyfacts li { margin: 0; min-width: 0; } .kf-v { font-family: var(--mono); font-variant-numeric: tabular-nums; font-size: 1.45rem; font-weight: 500; line-height: 1.1; color: var(--ink); margin: 0 0 4px; } .kf-u { font-size: 0.56em; color: var(--muted); margin-left: 2px; } .kf-l { font-family: var(--sans); font-size: 13.5px; line-height: 1.4; color: var(--ink-soft); margin: 0 0 5px; } .kf-s { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; color: var(--muted); margin: 0; cursor: help; } .kf-note { font-family: var(--sans); font-size: 12.5px; line-height: 1.5; color: var(--muted); margin: 15px 0 0; } .toc a.is-here, .toc-mobile a.is-here { color: var(--accent); font-weight: 600; } .toc a.is-here { border-left-color: var(--accent); } h2 a.anchor, h3 a.anchor, h4 a.anchor { position: relative; padding: 6px; margin-left: 2px; } @media (hover: none) { h2 a.anchor, h3 a.anchor, h4 a.anchor { opacity: 0.45; } h2 a.anchor::before, h3 a.anchor::before, h4 a.anchor::before { content: ""; position: absolute; left: 0; top: 50%; width: 44px; height: 44px; transform: translateY(-50%); } } .anchor[data-copied] { opacity: 1; color: var(--good); } .anchor[data-copied]::after { content: "copied"; font-family: var(--sans); font-size: 11px; font-weight: 600; letter-spacing: 0.02em; margin-left: 5px; } .ux-say, .kf-vh { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; } @media print { .rp, .totop { display: none; } }