/* * Site styles. There is no CSS framework and no build step — this file is * served exactly as written, so everything the site needs is here or in the * site's own additions below. * * --------------------------------------------------------------------------- * FLUID TYPE & SPACE SCALE * * Every size below is derived from the six anchor numbers in --u-*. Change an * anchor and the whole scale moves with it, in proportion. That is the point: * retuning a site is editing six numbers, not auditing every value in the file. * * Each step is a clamp() between its value at the minimum viewport and its * value at the maximum, so text and spacing scale smoothly with the viewport * instead of jumping at breakpoints. No media queries are needed for sizing. * * TO RETUNE FOR THIS SITE (see refs/design/DESIGN.md): * --u-min-ratio / --u-max-ratio how dramatic the jump between sizes is. * 1.2 (minor third) reads calm and even; * 1.333 (perfect fourth) reads confident; * above ~1.4 gets shouty for a practice site. * --u-min-font / --u-max-font base body size at each end, in px. * --u-min-vw / --u-max-vw the viewport range the scale spans. * * A larger max-ratio with the same min-ratio gives a site that is restrained on * a phone and expressive on a desktop, which usually suits a hero-led page. */ :root { /* --- Anchors: the dial for this site ------------------------------- */ --u-min-vw: 390; --u-max-vw: 1440; --u-min-font: 13.2; --u-max-font: 16.5; --u-min-ratio: 1.25; --u-max-ratio: 1.248; /* --- Derivation. Not usually edited by hand. ----------------------- */ /* Slope and intercept of the line between the two anchor viewports, * expressed so each step can be written as clamp(min, calc(...), max). */ --u-vw-range: calc(var(--u-max-vw) - var(--u-min-vw)); /* Type steps, in rem at each anchor. Each step multiplies the previous * one by the ratio, so the relationship between sizes is fixed even as the * absolute values move. */ --u-min-0: calc(var(--u-min-font) / 16); --u-max-0: calc(var(--u-max-font) / 16); --u-min--2: calc(var(--u-min-0) / var(--u-min-ratio) / var(--u-min-ratio)); --u-max--2: calc(var(--u-max-0) / var(--u-max-ratio) / var(--u-max-ratio)); --u-min--1: calc(var(--u-min-0) / var(--u-min-ratio)); --u-max--1: calc(var(--u-max-0) / var(--u-max-ratio)); --u-min-1: calc(var(--u-min-0) * var(--u-min-ratio)); --u-max-1: calc(var(--u-max-0) * var(--u-max-ratio)); --u-min-2: calc(var(--u-min-1) * var(--u-min-ratio)); --u-max-2: calc(var(--u-max-1) * var(--u-max-ratio)); --u-min-3: calc(var(--u-min-2) * var(--u-min-ratio)); --u-max-3: calc(var(--u-max-2) * var(--u-max-ratio)); --u-min-4: calc(var(--u-min-3) * var(--u-min-ratio)); --u-max-4: calc(var(--u-max-3) * var(--u-max-ratio)); --u-min-5: calc(var(--u-min-4) * var(--u-min-ratio)); --u-max-5: calc(var(--u-max-4) * var(--u-max-ratio)); /* --- Type scale ---------------------------------------------------- */ /* step--2 fine print · step-0 body · step-2/3 section headings · * step-4/5 hero display. Use these, not raw px. */ --step--2: clamp(calc(var(--u-min--2) * 1rem), calc(var(--u-min--2) * 1rem + (var(--u-max--2) - var(--u-min--2)) * (100vw - var(--u-min-vw) * 1px) / var(--u-vw-range) * 16), calc(var(--u-max--2) * 1rem)); --step--1: clamp(calc(var(--u-min--1) * 1rem), calc(var(--u-min--1) * 1rem + (var(--u-max--1) - var(--u-min--1)) * (100vw - var(--u-min-vw) * 1px) / var(--u-vw-range) * 16), calc(var(--u-max--1) * 1rem)); --step-0: clamp(calc(var(--u-min-0) * 1rem), calc(var(--u-min-0) * 1rem + (var(--u-max-0) - var(--u-min-0)) * (100vw - var(--u-min-vw) * 1px) / var(--u-vw-range) * 16), calc(var(--u-max-0) * 1rem)); --step-1: clamp(calc(var(--u-min-1) * 1rem), calc(var(--u-min-1) * 1rem + (var(--u-max-1) - var(--u-min-1)) * (100vw - var(--u-min-vw) * 1px) / var(--u-vw-range) * 16), calc(var(--u-max-1) * 1rem)); --step-2: clamp(calc(var(--u-min-2) * 1rem), calc(var(--u-min-2) * 1rem + (var(--u-max-2) - var(--u-min-2)) * (100vw - var(--u-min-vw) * 1px) / var(--u-vw-range) * 16), calc(var(--u-max-2) * 1rem)); --step-3: clamp(calc(var(--u-min-3) * 1rem), calc(var(--u-min-3) * 1rem + (var(--u-max-3) - var(--u-min-3)) * (100vw - var(--u-min-vw) * 1px) / var(--u-vw-range) * 16), calc(var(--u-max-3) * 1rem)); --step-4: clamp(calc(var(--u-min-4) * 1rem), calc(var(--u-min-4) * 1rem + (var(--u-max-4) - var(--u-min-4)) * (100vw - var(--u-min-vw) * 1px) / var(--u-vw-range) * 16), calc(var(--u-max-4) * 1rem)); --step-5: clamp(calc(var(--u-min-5) * 1rem), calc(var(--u-min-5) * 1rem + (var(--u-max-5) - var(--u-min-5)) * (100vw - var(--u-min-vw) * 1px) / var(--u-vw-range) * 16), calc(var(--u-max-5) * 1rem)); /* --- Weight -------------------------------------------------------- */ /* Named by the CSS value, not by a word. "bold" is a claim about how a * typeface renders; 700 is what you actually asked for, and two faces * disagree about which of their cuts reads as bold. * * THREE WEIGHTS, DELIBERATELY. Body, emphasis, headline — that is the * whole system, and it is expressed by which tokens exist rather than by * a rule asking politely. Adding --weight-800 needs a reason: the face * has a visibly distinct heavy cut AND 700 alone is not creating enough * contrast. If 700 and 800 render identically on screen, that is not one. * A flat hierarchy is almost always a spacing or size problem, not a * weight problem. */ --weight-400: 400; /* body */ --weight-600: 600; /* nav, card emphasis, eyebrows */ --weight-700: 700; /* headlines, CTAs */ /* --- Leading ------------------------------------------------------- */ /* A ladder rather than a derived scale, so it is t-shirt sized like * --space-* rather than numbered like --step-*. Tightest to loosest. * * The relationship worth holding: line-height falls as type size rises. * Display type at body leading looks unset; body copy at display leading * is unreadable. Pair --leading-xs with --step-4/5 and --leading-l with * --step-0. */ --leading-xs: 1.05; /* display, very large headlines */ --leading-s: 1.18; /* headings */ --leading-m: 1.3; /* subheadings, ledes, card copy */ --leading-l: 1.5; /* body copy */ --leading-xl: 1.6; /* long-form and small print, which need more air */ /* --- Tracking ------------------------------------------------------ */ /* Same shape: a ladder, tightest to loosest, in em so it scales with * whatever size it is applied to. * * The relationship: tracking tightens as size grows, and ALL-CAPS always * needs opening up — uppercase at 0 tracking reads cramped at any size. * Pair --tracking-xs with --step-4/5, --tracking-m with body, and * --tracking-l or --tracking-xl with any text-transform: uppercase. */ --tracking-xs: -0.02em; /* large display */ --tracking-s: -0.01em; /* headings */ --tracking-m: 0; /* body — the default, stated so it can be reset to */ --tracking-l: 0.04em; /* small caps-ish, buttons */ --tracking-xl: 0.08em; /* eyebrows and other all-caps runs */ /* --- Space scale --------------------------------------------------- */ /* Multiples of the base size rather than the type ratio, so spacing stays * predictable while type can be as dramatic as the site needs. */ --space-3xs: clamp(0.25rem, calc(0.25rem + 0.1vw), 0.375rem); --space-2xs: clamp(0.5rem, calc(0.45rem + 0.2vw), 0.625rem); --space-xs: clamp(0.75rem, calc(0.68rem + 0.3vw), 0.9375rem); --space-s: clamp(1rem, calc(0.91rem + 0.43vw), 1.25rem); --space-m: clamp(1.5rem, calc(1.37rem + 0.65vw), 1.875rem); --space-l: clamp(2rem, calc(1.82rem + 0.87vw), 2.5rem); --space-xl: clamp(3rem, calc(2.73rem + 1.3vw), 3.75rem); --space-2xl: clamp(4rem, calc(3.64rem + 1.74vw), 5rem); --space-3xl: clamp(6rem, calc(5.46rem + 2.61vw), 7.5rem); /* --- Space pairs --------------------------------------------------- */ /* A pair moves from the SMALLER step on a phone to the LARGER one on a * desktop, so the gap changes step rather than merely scaling. This is what * replaces per-breakpoint section padding: --space-l-2xl is roughly the old * "40-48px mobile, 80-96px desktop" rule, expressed once. */ --space-2xs-xs: clamp(0.5rem, calc(0.35rem + 0.76vw), 0.9375rem); --space-xs-s: clamp(0.75rem, calc(0.57rem + 0.87vw), 1.25rem); --space-s-m: clamp(1rem, calc(0.7rem + 1.52vw), 1.875rem); --space-m-l: clamp(1.5rem, calc(1.13rem + 1.85vw), 2.5rem); --space-l-xl: clamp(2rem, calc(1.36rem + 3.15vw), 3.75rem); --space-xl-2xl: clamp(3rem, calc(2.27rem + 3.62vw), 5rem); --space-l-2xl: clamp(2rem, calc(0.91rem + 5.43vw), 5rem); --space-s-l: clamp(1.125rem, calc(0.72rem + 2.04vw), 2.5rem); /* skip-a-step: grid gutter */ --space-2xl-3xl: clamp(4rem, calc(2.55rem + 7.24vw), 7.5rem); /* --- Measure ------------------------------------------------------- */ --measure: 65ch; /* body copy */ --measure-tight: 45ch; /* card and caption copy */ /* ===================================================================== * COLOUR * * Three anchors drive the whole palette. Change them to match the * practice; everything else follows. See refs/design/DESIGN.md. * * That is the default path, and most sites never go past it. Underneath, * the palette is layered so a site can take more control WITHOUT hand- * writing hex values, which is what a migrated site needs: * * 1. Anchors the three below. Tune these first. * 2. Per-role --chroma-secondary, --l-tertiary and friends. A * brand's second colour is a designer's pick, not a * rotation of the first, so each role carries its own * hue, chroma and lightness, defaulting to the anchors. * 3. Neutrals --hue-neutral, --chroma-ink, --chroma-ground. Greys * are their own decision -- see the block below. * 4. Polarity --scheme. One number flips light/dark. * * Derive WITHIN a role, declare ACROSS roles. This is the same split * Bootstrap 5.3 makes (mix() generates each scale; the base of each theme * colour is declared) and the opposite of deriving everything from one * hue, which cannot express a real brand pair. * * --palette-hue the practice's brand hue, 0-360. * Roughly: 25 terracotta · 60 ochre · 145 green * · 195 teal · 240 blue · 275 violet · 340 rose * --palette-chroma how saturated the brand reads. OKLCH chroma is * NOT 0-1 — it runs about 0-0.37 in sRGB, and * above ~0.15 a surface colour starts to shout. * 0.04 muted · 0.09 confident · 0.14 vivid * --palette-secondary-shift * degrees from the primary to the secondary. * 150-180 gives a complement; 30-60 an analogous * neighbour that reads calmer. * ===================================================================== */ --palette-hue: 195; --palette-chroma: 0.09; --palette-secondary-shift: 150; --hue-primary: var(--palette-hue); --hue-secondary: calc(var(--palette-hue) + var(--palette-secondary-shift)); /* Secondary and tertiary each carry their OWN chroma and lightness, not * the primary's. They default to it, so a site built from this template * still tunes with the three numbers above and renders identically. * * The override exists because a brand's second colour is often a designer's * choice rather than a systematic partner: on a migrated site the secondary * was measured at 3.6x the primary's chroma and 0.26 lighter in OKLCH * (deep forest green against warm terracotta). One shared chroma and one * shared lightness cannot express that pair, and forcing it produced a * washed-out grey-green beside a dusty mauve. * * This is the same concession the feedback colours below already make -- * each of those carries its own chroma because "yellows need more to read * as yellow, reds less before they turn fluorescent". Brand colours want * the same latitude. */ --chroma-secondary: var(--palette-chroma); --l-secondary: var(--l-solid); /* Tertiary: a third brand colour, typically doing button/CTA work, that is * neither a tint of the primary nor semantic. Practices routinely have one * ("Button Brown", "Morning Orange"). Defaults to an analogous neighbour of * the primary so it is harmless when unused. */ --palette-tertiary-shift: 30; --hue-tertiary: calc(var(--palette-hue) + var(--palette-tertiary-shift)); --chroma-tertiary: var(--palette-chroma); --l-tertiary: var(--l-solid); /* --- Neutrals: their own hue, not the brand's --------------------- * * --hue-neutral defaults to the brand hue, so a site that sets nothing * keeps the "greys feel of a piece with the accent" behaviour. But it is * a SEPARATE dial, because tying greys to the brand hue is not what any * mature system does and not what real practices choose: * * - Tailwind ships five grey families (slate/gray/zinc/neutral/stone) * precisely so the temperature of the greys is a decision. * - Bootstrap keeps $gray independent of $theme-colors. * - daisyUI declares base-100/200/300 per theme. * * And measured on our own migrated sites: both chose warm grounds at hue * 80-94 despite green brands at 145 and 166 -- roughly 80 degrees off the * brand. A green practice does not want green text, and at the default * hue 195 the old derivation gave --ink-strong an R-to-B spread of 17, * i.e. a visibly blue-black rather than a black. * * Set --hue-neutral to taste: the brand hue for a tinted-grey scheme, a * warm 70-90 for a settled off-black, or leave chroma at 0 for a true * neutral. --chroma-ink and --chroma-ground are separate because ink * carries tint better than a large ground does -- the same chroma that * reads as "warm grey" in a heading reads as "the wrong white" across a * full-bleed background. */ /* +80 deg off the brand, which is what the previous code already did for * --ink-strong alone, and what both migrated practices independently * chose for their grounds (warm 80-94 against green brands at 145/166). * It defaults to the brand hue so that adding this dial changes nothing on * an existing site; the interesting values are elsewhere: * * var(--palette-hue) greys tinted toward the brand (default) * calc(var(--palette-hue) + 80) the offset real practices tend to pick * 70-90 a warm, settled off-black * with --chroma-ink: 0 a true neutral, no hue at all */ --hue-neutral: var(--palette-hue); --chroma-ink: 0.012; /* text. 0 = true grey; 0.03 = clearly tinted */ --chroma-ground: calc(0.004 + 0.008 * (1 - var(--scheme))); /* page background */ --chroma-surface: calc(0.000 + 0.014 * (1 - var(--scheme))); /* raised surfaces */ --chroma-border: calc(0.008 + 0.007 * (1 - var(--scheme))); /* rules and outlines */ /* Grounds carry MORE tint when dark and less when light: 0.014 across a * near-black reads as a warm dark, the same 0.014 across a near-white * reads as a colour cast. The old code expressed this by declaring the * light and dark neutrals separately; here it rides on --scheme. */ /* Feedback hues are FIXED and do not follow the brand. A danger colour * that rotates with the practice's hue stops reading as danger — the * entire value of a semantic colour is that it means the same thing on * every site. Only the brand colours above derive from --palette-hue. */ --hue-success: 145; --hue-warning: 75; --hue-danger: 27; --hue-info: 240; /* Lightness ramp. Dark mode overrides these below rather than declaring a * second palette — in OKLCH, dark mode is largely an inversion of these * four numbers. */ --l-solid: 0.55; /* solid fills: buttons, badges */ --l-hover: 0.48; /* one step darker for hover */ --l-light: 0.66; /* one step lighter: gradient partner for --primary */ --l-muted: 0.92; /* a touch stronger than pale, for wash gradients */ --l-pale: 0.96; /* tinted backgrounds */ --l-on-solid: 0.99;/* text on a solid fill */ /* --- Polarity ----------------------------------------------------- * * --scheme is the one number that says which way round the site runs: * 1 = dark ink on a light ground (the norm), 0 = light ink on a dark * ground. Every neutral below is written as "light value, plus the * distance to its dark counterpart, times (1 - scheme)", so flipping the * one number inverts the whole set consistently. * * This is why the dark-mode block further down only sets --scheme and the * three brand-lightness values, instead of re-declaring eight neutrals * with a second set of hand-picked literals. Two hand-maintained sets * drift: the old block never declared --ink-strong at all, so headings * stayed at lightness 0.18 -- dark text on a dark ground. * * A site that should ALWAYS render dark sets --scheme: 0 here and deletes * the media query. A site that should never flip deletes the query alone. */ --scheme: 1; /* Neutral lightness, light-mode value first, dark-mode value second. * Edit these to shift contrast; they are dials, not literals buried in * the colour definitions. */ --l-ink-strong: calc(0.18 + 0.79 * (1 - var(--scheme))); --l-ink: calc(0.25 + 0.70 * (1 - var(--scheme))); --l-ink-mid: calc(0.45 + 0.35 * (1 - var(--scheme))); --l-ink-soft: calc(0.54 + 0.12 * (1 - var(--scheme))); --l-bg: calc(0.99 - 0.81 * (1 - var(--scheme))); --l-surface: calc(1.00 - 0.78 * (1 - var(--scheme))); --l-border: calc(0.90 - 0.58 * (1 - var(--scheme))); --l-border-strong: calc(0.82 - 0.40 * (1 - var(--scheme))); /* Brand */ --primary: oklch(var(--l-solid) var(--palette-chroma) var(--hue-primary)); --primary-hover: oklch(var(--l-hover) var(--palette-chroma) var(--hue-primary)); --primary-light: oklch(var(--l-light) var(--palette-chroma) var(--hue-primary)); --primary-muted: oklch(var(--l-muted) calc(var(--palette-chroma) * 0.35) var(--hue-primary)); /* Chroma falls as lightness rises — a pale tint at full chroma reads * muddy rather than tinted. */ --primary-pale: oklch(var(--l-pale) calc(var(--palette-chroma) * 0.25) var(--hue-primary)); --on-primary: oklch(var(--l-on-solid) 0 0); --secondary: oklch(var(--l-secondary) var(--chroma-secondary) var(--hue-secondary)); --secondary-hover: oklch(calc(var(--l-secondary) - 0.07) var(--chroma-secondary) var(--hue-secondary)); --secondary-light: oklch(calc(var(--l-secondary) + 0.11) var(--chroma-secondary) var(--hue-secondary)); --secondary-pale: oklch(var(--l-pale) calc(var(--chroma-secondary) * 0.25) var(--hue-secondary)); --on-secondary: oklch(var(--l-on-solid) 0 0); /* Tertiary, same shape as the two above. */ --tertiary: oklch(var(--l-tertiary) var(--chroma-tertiary) var(--hue-tertiary)); --tertiary-hover: oklch(calc(var(--l-tertiary) - 0.07) var(--chroma-tertiary) var(--hue-tertiary)); --tertiary-pale: oklch(var(--l-pale) calc(var(--chroma-tertiary) * 0.25) var(--hue-tertiary)); --on-tertiary: oklch(var(--l-on-solid) 0 0); /* Aliases for the older names in DESIGN.md, so existing markup and any * site copied from an earlier template keep working. */ --accent: var(--primary); --accent-dark: var(--primary-hover); --accent-pale: var(--primary-pale); /* Feedback. Chroma is per-hue: yellows need more to read as yellow, reds * less before they turn fluorescent. */ --success: oklch(calc(var(--l-solid) - 0.03) 0.13 var(--hue-success)); --success-pale: oklch(var(--l-pale) 0.03 var(--hue-success)); --warning: oklch(0.75 0.14 var(--hue-warning)); --warning-pale: oklch(var(--l-pale) 0.04 var(--hue-warning)); --danger: oklch(var(--l-solid) 0.17 var(--hue-danger)); --danger-pale: oklch(var(--l-pale) 0.03 var(--hue-danger)); --info: oklch(var(--l-solid) 0.11 var(--hue-info)); --info-pale: oklch(var(--l-pale) 0.03 var(--hue-info)); /* Neutrals. DESIGN.md asked in prose for "a teal practice and a navy * practice want different --ink warmth"; --hue-neutral is that, made a * dial instead of a fixed derivation from the brand. * * Hue and chroma come from the --hue-neutral / --chroma-* * dials above, lightness from the --l-* dials, so all three are tunable * without editing any of these lines. Ink chroma tapers as text gets * lighter, and grounds use the lower --chroma-ground throughout. */ --ink-strong: oklch(var(--l-ink-strong) calc(var(--chroma-ink) * 2.5) calc(var(--hue-neutral) + 80)); /* headings, dark surfaces */ --ink: oklch(var(--l-ink) calc(var(--chroma-ink) * 1.25) var(--hue-neutral)); --ink-mid: oklch(var(--l-ink-mid) var(--chroma-ink) var(--hue-neutral)); --ink-soft: oklch(var(--l-ink-soft) calc(var(--chroma-ink) * 0.833) var(--hue-neutral)); --bg: oklch(var(--l-bg) var(--chroma-ground) var(--hue-neutral)); --surface: oklch(var(--l-surface) var(--chroma-surface) var(--hue-neutral)); --border: oklch(var(--l-border) var(--chroma-border) var(--hue-neutral)); --border-strong: oklch(var(--l-border-strong) calc(var(--chroma-border) * 1.25) var(--hue-neutral)); /* Paired foreground for each ground, the way daisyUI's -content and * Bootstrap's -emphasis work. Use --on-bg rather than reaching for --ink * directly when the ground itself might be flipped. */ --on-bg: var(--ink); --on-surface: var(--ink); /* --- Grid ---------------------------------------------------------- */ /* Deliberately minimal: the container and gutter are fluid, placement is * left to each layout. Use .u-container and .u-grid below. */ --grid-max-width: 77.5rem; --grid-gutter: var(--space-s-l); --grid-columns: 12; /* --- Radius -------------------------------------------------------- */ /* Named by intent rather than by number, so a change of scale does not * mean auditing every --radius-3 in the stylesheet. */ --radius-xs: 0.25rem; /* tags, inline chips */ --radius-s: 0.5rem; /* buttons, inputs */ --radius-m: 0.75rem; /* cards */ --radius-l: 1.25rem; /* panels, modals, hero media */ --radius-round: 50%; /* avatars */ --radius-pill: 999px; /* pills, badges */ /* --- Border widths ------------------------------------------------- */ --border-thin: 1px; --border-medium: 2px; --border-thick: 4px; /* accent rules, active states */ /* --- Shadows ------------------------------------------------------- */ /* Two knobs drive every shadow. --shadow-color takes the brand hue so a * raised card reads as part of this practice rather than as generic grey; * --shadow-strength is what dark mode adjusts, because a shadow on a dark * background needs MORE opacity to be seen, not less. */ --shadow-color: var(--hue-primary, 220) 20% 15%; --shadow-strength: 1%; --shadow-s: 0 1px 2px -1px hsl(var(--shadow-color) / calc(var(--shadow-strength) + 9%)); --shadow-m: 0 3px 5px -2px hsl(var(--shadow-color) / calc(var(--shadow-strength) + 3%)), 0 7px 14px -5px hsl(var(--shadow-color) / calc(var(--shadow-strength) + 5%)); --shadow-l: 0 -1px 3px 0 hsl(var(--shadow-color) / calc(var(--shadow-strength) + 2%)), 0 6px 12px -3px hsl(var(--shadow-color) / calc(var(--shadow-strength) + 3%)), 0 15px 30px -6px hsl(var(--shadow-color) / calc(var(--shadow-strength) + 5%)); --shadow-inner-s: inset 0 1px 2px 0 hsl(var(--shadow-color) / calc(var(--shadow-strength) + 6%)); --shadow-inner-m: inset 0 2px 6px 0 hsl(var(--shadow-color) / calc(var(--shadow-strength) + 9%)); /* --- Layers -------------------------------------------------------- */ /* Six values, so z-index is never invented at the call site. */ --layer-behind: -1; /* decorative washes sitting behind content */ --layer-base: 1; --layer-raised: 2; /* hover cards, sticky rows */ --layer-nav: 3; /* sticky header */ --layer-overlay: 4; /* dropdowns, popovers */ --layer-modal: 5; /* dialogs and their backdrop */ --layer-top: 2147483647;/* skip links, live-region alerts */ /* --- Motion -------------------------------------------------------- */ --duration-fast: 120ms; /* hover, focus */ --duration-base: 220ms; /* most transitions */ --duration-slow: 400ms; /* entrances */ --ease-out: cubic-bezier(0.22, 1, 0.36, 1); --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1); --reveal-distance: 1.5rem; /* Typefaces. Set these per site; everything else references them. */ --font-body: system-ui, -apple-system, 'Segoe UI', sans-serif; --font-heading: var(--font-body); /* override for a display face */ } /* * Dark mode. In OKLCH this is mostly an inversion of the lightness ramp * rather than a second palette — the hues and chroma above are unchanged. * * Two things are not simple inversions and are set explicitly: * - the accent gets LIGHTER (0.68, not 0.55), because a mid-lightness * accent loses contrast against a dark background; * - --shadow-strength rises, because a shadow on a dark surface needs more * opacity to be visible at all. * * Delete this block for a site that should only ever render light. */ @media (prefers-color-scheme: dark) { :root { /* Flipping --scheme inverts every neutral at once, via the --l-* * dials. The three brand values below are NOT a polarity flip -- a * brand colour has to get lighter and less contrasty on a dark * ground to stay legible, which is a different adjustment. */ --scheme: 0; --l-solid: 0.68; --l-hover: 0.75; --l-pale: 0.24; --l-on-solid: 0.18; --shadow-strength: 12%; } } /* ═══════════════════════════════════════════════════════════════════════ * RESET * * Josh Comeau's Custom CSS Reset (joshwcomeau.com/css/custom-css-reset/), * lightly adapted. Normalises browser defaults so the base layer below is * building on the same ground in every browser. Leave this alone; make * design decisions in the base layer and the tokens above it. * ═══════════════════════════════════════════════════════════════════════ */ *, *::before, *::after { box-sizing: border-box; } * { margin: 0; } html { -webkit-text-size-adjust: 100%; -moz-text-size-adjust: 100%; text-size-adjust: 100%; } body { -webkit-font-smoothing: antialiased; line-height: 1.5; } /* Media is block-level and never overflows its container. */ img, picture, video, canvas, svg { display: block; max-width: 100%; } /* Form controls inherit typography rather than using browser chrome. */ input, button, textarea, select { font: inherit; } /* Long words and URLs wrap instead of forcing a horizontal scrollbar. */ p, h1, h2, h3, h4, h5, h6 { overflow-wrap: break-word; } /* A new stacking context on the root, so app-level layers cannot escape. */ #root, #__next { isolation: isolate; } @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; } } /* ═══════════════════════════════════════════════════════════════════════ * ELEMENT BASE LAYER * * Bare elements are styled here so a page is correct with no classes at * all. Without this, an unclassed

falls back to the browser default * and whoever writes the page patches it with an inline style — which is * how a site ends up with a different heading treatment per page. * * Every heading has a matching .h1-.h6 class. Use the ELEMENT for document * structure (SEO, screen readers, outline) and the CLASS for appearance, * so an

can look like an eyebrow without lying about the hierarchy: * *

Still the page's real heading, just smaller

* * Sites override these; they are a floor, not a straitjacket. * ═══════════════════════════════════════════════════════════════════════ */ body { font-family: var(--font-body); font-size: var(--step-0); font-weight: var(--weight-400); line-height: var(--leading-l); color: var(--ink); background: var(--bg); } /* Headings ───────────────────────────────────────────────────────────── * Margins are top-heavy on purpose: a heading belongs to what follows it, * so the space above is larger than the space below. */ h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 { margin: var(--space-l) 0 var(--space-s); font-family: var(--font-heading); font-weight: var(--weight-700); line-height: var(--leading-s); letter-spacing: var(--tracking-xs); color: var(--ink-strong); text-wrap: balance; } :where(h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6) + * { margin-top: 0; } /* A heading opening its container needs no space above it. */ :where(h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6):first-child { margin-top: 0; } h1, .h1 { font-size: var(--step-5); } h2, .h2 { font-size: var(--step-4); } h3, .h3 { font-size: var(--step-3); } h4, .h4 { font-size: var(--step-2); } h5, .h5 { font-size: var(--step-1); line-height: var(--leading-m); } h6, .h6 { font-size: var(--step-0); line-height: var(--leading-m); letter-spacing: var(--tracking-m); text-transform: uppercase; } /* A highlighted phrase inside a heading. One mechanism, not three. */ :where(h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6) em { font-style: italic; color: var(--primary); } /* Text ─────────────────────────────────────────────────────────────── */ p, ul, ol, dl, blockquote, figure, table, pre { margin: 0 0 var(--space-m); } /* * Line length is a container's job, not every paragraph's — capping each

* leaves text hugging the left of any column already sized for reading. * Use .measure (or set a width on the container) where prose needs it. */ .measure { max-width: var(--measure); } .measure-tight { max-width: var(--measure-tight); } /* Opening paragraph: larger and looser than body copy. */ .lede { font-size: var(--step-1); line-height: var(--leading-m); color: var(--ink-mid); } /* Small label above a heading. */ .eyebrow { display: block; margin-bottom: var(--space-2xs); font-size: var(--step--1); font-weight: var(--weight-600); letter-spacing: var(--tracking-l); text-transform: uppercase; color: var(--primary); } small, .text-small { font-size: var(--step--1); } strong, b { font-weight: var(--weight-700); } a { color: var(--primary); text-decoration-thickness: 1px; text-underline-offset: 0.15em; transition: color var(--duration-fast) var(--ease-out); } a:hover { color: var(--primary-hover); } /* A visible focus ring on every interactive element, always. */ :focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: var(--radius-xs); } ul, ol { padding-left: var(--space-m); } /* * List spacing applies to PROSE lists only. Navigation, button groups and * card grids are lists too, and flow margins on those knock flex/grid items * out of alignment (the site header) or balloon the spacing (the footer). * * Presence of a class is not the test — a footer nav is a nav whether or not * anyone put a class on it — so navigation context opts out explicitly. */ :where(ul, ol) > li { margin-bottom: var(--space-2xs); } :where(ul, ol) > li:last-child { margin-bottom: 0; } nav ul, nav ol, header ul, header ol, footer ul, footer ol, menu { margin: 0; padding-left: 0; list-style: none; } nav li, header li, footer li, menu li { margin-bottom: 0; } /* A list explicitly used for layout carries no bullets, indent or margin. */ :where(ul, ol)[class] { margin: 0; padding-left: 0; list-style: none; } :where(ul, ol)[class] > li { margin-bottom: 0; } blockquote { padding-left: var(--space-m); border-left: var(--border-thick) solid var(--primary-pale); color: var(--ink-mid); font-style: italic; } hr { height: 0; margin: var(--space-l) 0; border: 0; border-top: var(--border-thin) solid var(--border); } code, kbd, samp, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; } /* Media ──────────────────────────────────────────────────────────────── * Images are rounded by default. The square-photo bug on Wellbrook was an * with no radius sitting beside cards that had one. */ img, picture, video, canvas, svg { height: auto; } img { border-radius: var(--radius-m); background: var(--surface); } /* * Logos, icons and inline SVG are not photographs — a background plate and a * radius are wrong for them, and show up as a white box on a dark footer. */ img[class*="logo"], img[class*="icon"], .logo img, svg { border-radius: 0; background: none; } /* Opt out where a radius is wrong: full-bleed art, decorative crops. */ img.is-flush, .is-flush img { border-radius: 0; background: none; } figure { margin-inline: 0; } figcaption { margin-top: var(--space-2xs); font-size: var(--step--1); color: var(--ink-soft); } /* Tables ───────────────────────────────────────────────────────────── */ table { width: 100%; border-collapse: collapse; text-align: left; } th, td { padding: var(--space-2xs) var(--space-xs); border-bottom: var(--border-thin) solid var(--border); vertical-align: top; } th { font-weight: var(--weight-600); color: var(--ink-strong); } tbody tr:last-child :where(th, td) { border-bottom: 0; } /* Forms ────────────────────────────────────────────────────────────── */ label { display: block; margin-bottom: var(--space-3xs); font-size: var(--step--1); font-weight: var(--weight-600); color: var(--ink-strong); } input, select, textarea { width: 100%; padding: var(--space-2xs) var(--space-xs); font-family: inherit; font-size: var(--step-0); color: var(--ink); background: var(--surface); border: var(--border-thin) solid var(--border-strong); border-radius: var(--radius-s); transition: border-color var(--duration-fast) var(--ease-out); } input:hover, select:hover, textarea:hover { border-color: var(--ink-soft); } input:focus, select:focus, textarea:focus { border-color: var(--primary); } textarea { min-height: 8rem; resize: vertical; } input[type="checkbox"], input[type="radio"] { width: auto; accent-color: var(--primary); } /* Buttons size to their content, not to the form-control full width. */ input[type="submit"], input[type="button"] { width: auto; } /* * A bare