nexu-io--open-design
wehub-resource-sync
192 行
11 KiB
CSS
192 行
11 KiB
CSS
/* ─────────────────────────────────────────────────────────────────────────
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* design-systems/webflow/tokens.css
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*
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* Structured token bindings for "Design System Inspired by Webflow".
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* The visual web builder: a white marketing-grade canvas, near-black
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* ink, the signature Webflow Blue (#146ef5), conservative 4px corners,
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* and a five-layer cascading shadow that gives every card a built-not-
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* floating quality.
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*
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* Key brand decisions encoded here:
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* - White canvas with near-black (#080808) text — DESIGN.md §1 / §9.
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* The marketing site does NOT shift surfaces warm; section variation
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* comes from borders + the 5-layer shadow stack, not from tinting.
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* - Webflow Blue (#146ef5) as the single accent, with the documented
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* darker Button Hover Blue (#0055d4) as `--accent-hover` (not a
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* formulaic black-mix — Webflow's docs specify the hover value).
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* - Four-tier foreground ramp: #080808 → #363636 → #5a5a5a → #ababab,
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* matching the Near Black / Gray 700 / Mid Gray / Gray 300 scale
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* from DESIGN.md §2 so cross-brand components targeting --fg-2 and
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* --meta resolve to Webflow's actual gray ramp.
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* - Conservative radius (4px–8px). DESIGN.md §7 forbids rounding
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* beyond 8px for functional elements — sharp, precise, tool-like.
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* - Five-layer cascading shadow on --elev-raised, reproduced verbatim
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* from DESIGN.md §2 / §6: the stack is the depth signature and
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* should never be flattened to a single blur.
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* - WF Visual Sans Variable display + body, Inconsolata for code —
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* the dual identity DESIGN.md §3 calls out (design + code).
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* - Webflow Green / Yellow / Red bound to semantic tokens (DESIGN.md
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* §2 Secondary Accents) so semantic state stays inside the brand
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* palette rather than borrowing the schema's generic hues.
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*
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* Source contracts:
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* - Standard token names: design-systems/_schema/tokens.schema.ts
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* - A2 fallback parity: design-systems/_schema/defaults.css
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* - Lint enforcement: apps/daemon/src/lint-artifact.ts
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* ─────────────────────────────────────────────────────────────────── */
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:root {
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/* ─── Surface (no warm tier) ───────────────────────────────────────
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* Webflow's marketing canvas is pure white. Sections do not shift
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* background color — depth comes from the 5-layer shadow stack and
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* 1px borders, not from tinted surfaces. `--surface-warm` aliases
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* to surface because the brand has no warmer tier. */
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--bg: #ffffff; /* White — the page canvas */
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--surface: #ffffff; /* White — cards stay flush with the canvas */
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--surface-warm: var(--surface); /* alias — Webflow has no warm tier */
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/* ─── Foreground ramp (4 levels) ──────────────────────────────────
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* Near Black → Gray 700 → Mid Gray → Gray 300, the four documented
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* text tiers from DESIGN.md §2 (headings / body / captions / muted).
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* `#080808` instead of `#000000` matters — DESIGN.md §1 / §9 names
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* the near-black explicitly. The four tiers are independently bound
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* (not aliased) because Webflow's marketing site genuinely uses all
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* four: H1 black, body Gray 700, captions Mid Gray, placeholder /
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* disabled Gray 300. */
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--fg: #080808; /* Near Black — primary text */
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--fg-2: #363636; /* Gray 700 — body description */
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--muted: #5a5a5a; /* Mid Gray — captions, link text */
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--meta: #ababab; /* Gray 300 — placeholder, disabled */
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/* ─── Border (2 levels) ──────────────────────────────────────────
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* Borders are visible and structural in Webflow — `1px solid #d8d8d8`
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* is the documented card edge (DESIGN.md §4). `--border-soft` drops
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* to a paler tint for inner row separators that must not visually
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* compete with the card outline. */
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--border: #d8d8d8; /* Border Gray — card / divider edge */
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--border-soft: #ebebeb; /* paler tint — inner row separator */
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/* ─── Accent ─────────────────────────────────────────────────────
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* Webflow Blue (#146ef5): primary CTA, link, focus ring, badge tint.
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* `--accent-hover` is the documented Button Hover Blue (#0055d4),
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* NOT a formulaic black-mix — Webflow's brand spec names the darker
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* value, so we honor it verbatim instead of computing one. Hard cap
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* of ≤2 visible uses per screen (schema lint). */
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--accent: #146ef5; /* Webflow Blue — primary brand signal */
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--accent-on: #ffffff; /* white label on saturated blue */
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--accent-hover: #0055d4; /* Button Hover Blue — documented value */
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--accent-active: color-mix(in oklab, var(--accent), black 14%);
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/* ─── Semantic ───────────────────────────────────────────────────
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* Bound to Webflow's secondary palette (DESIGN.md §2) so state
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* colors live inside the brand instead of borrowing the schema's
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* generic semantic hues. Webflow Green / Yellow / Red are vivid
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* enough to read as state without falling out of the system. */
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--success: #00d722; /* Webflow Green */
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--warn: #ffae13; /* Webflow Yellow */
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--danger: #ee1d36; /* Webflow Red */
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/* ─── Typography — fonts ─────────────────────────────────────────
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* WF Visual Sans Variable is Webflow's custom variable face used at
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* weight 500–600 throughout. Inter/Arial fall back so artifacts
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* render legibly when the brand face is not loaded. Inconsolata is
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* the companion monospace from DESIGN.md §3 — the "design + code"
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* dual identity is part of the brand voice. */
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--font-display: "WF Visual Sans Variable", "Inter", Arial, system-ui, sans-serif;
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--font-body: "WF Visual Sans Variable", "Inter", Arial, system-ui, sans-serif;
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--font-mono: "Inconsolata", ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;
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/* Type scale (px) — DESIGN.md §3 hierarchy table. Display hero is
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* 80px (the big marketing-page number), section heading is 56px,
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* sub-heading 32px, feature 24px, body 20px, body-standard 16px,
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* caption 14px. The schema's 8 tiers map directly onto Webflow's
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* documented sizes. */
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--text-xs: 12px; /* badge uppercase / micro */
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--text-sm: 14px; /* caption */
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--text-base: 16px; /* body standard / button */
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--text-lg: 20px; /* body */
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--text-xl: 24px; /* feature title */
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--text-2xl: 32px; /* sub-heading */
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--text-3xl: 56px; /* section heading */
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--text-4xl: 80px; /* display hero */
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/* `--leading-tight` is 1.04 (DESIGN.md §3 display + section line-
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* height). `--leading-body` is 1.6 (the documented body-standard
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* ratio). `--tracking-display` is `-0.01em`, the em-relative form
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* of Webflow's `-0.8px at 80px` display tracking — scales correctly
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* with size. */
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--leading-body: 1.6;
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--leading-tight: 1.04;
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--tracking-display: -0.01em;
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/* ─── Spacing ────────────────────────────────────────────────────
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* 4px-grid base. DESIGN.md §5's fractional scale (2.4 / 3.2 / 5.6 /
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* 7.2 / 9.6) is component-internal micro-padding and is inlined
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* per-component; the 4/8/12/16/20/24/32/48 tier carries the
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* structural rhythm. */
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--space-1: 4px;
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--space-2: 8px;
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--space-3: 12px;
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--space-4: 16px;
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--space-5: 20px;
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--space-6: 24px;
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--space-8: 32px;
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--space-12: 48px;
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/* Section rhythm — Webflow's marketing sections breathe but stay
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* tighter than a gallery: 96px desktop, 64px tablet, 48px phone
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* (matching the documented 992 / 768 / 479 breakpoints in §8). */
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--section-y-desktop: 96px;
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--section-y-tablet: 64px;
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--section-y-phone: 48px;
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/* ─── Radius ─────────────────────────────────────────────────────
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* DESIGN.md §5: 2 / 4 / 8 / 50%. The "Do" list (§7) is explicit:
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* 4px is the default, do NOT round beyond 8px for functional
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* elements. We bind sm/md to 4px (buttons, inputs, cards), lg to
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* 8px (featured containers), pill to 9999px (badges, avatars). */
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--radius-sm: 4px; /* buttons, inputs, chips */
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--radius-md: 4px; /* cards, modals — same conservative 4px */
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--radius-lg: 8px; /* featured containers — the soft cap */
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--radius-pill: 9999px; /* badges, avatars */
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/* ─── Elevation (3 levels, raised = 5-layer cascade) ─────────────
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* The 5-layer shadow stack from DESIGN.md §2 / §6 is the depth
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* signature. The outer layer at 84px is a "presence" cushion (alpha
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* 0), the inner 3px layer is the contact shadow, and three middle
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* layers create the smooth falloff. Never flatten this stack to a
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* single blur — the cascade is what makes Webflow cards feel
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* physically built rather than digitally floating. */
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--elev-flat: none;
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--elev-ring: 0 0 0 1px var(--border);
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--elev-raised:
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0px 84px 24px rgba(0, 0, 0, 0),
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0px 54px 22px rgba(0, 0, 0, 0.01),
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0px 30px 18px rgba(0, 0, 0, 0.04),
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0px 13px 13px rgba(0, 0, 0, 0.08),
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0px 3px 7px rgba(0, 0, 0, 0.09);
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/* ─── Focus ring ─────────────────────────────────────────────────
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* Webflow Blue at 30% — the accent is already the brand's focus
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* color in product, so the schema default (alpha glow of accent)
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* matches without override. */
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--focus-ring: 0 0 0 3px color-mix(in oklab, var(--accent), transparent 70%);
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/* ─── Motion ─────────────────────────────────────────────────────
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* 150 / 200ms with standard easing. Webflow's marketing site uses a
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* 6px translate hover on buttons (DESIGN.md §4) — that micro-move
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* runs at --motion-fast. */
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--motion-fast: 150ms;
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--motion-base: 200ms;
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--ease-standard: cubic-bezier(0.2, 0, 0, 1);
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/* ─── Layout ─────────────────────────────────────────────────────
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* 1200px max content width — Webflow's marketing pages cap around
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* this width to keep line lengths readable. Breakpoints from
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* DESIGN.md §8 (992 / 768 / 479) gate the gutter scale. */
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--container-max: 1200px;
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--container-gutter-desktop: 24px;
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--container-gutter-tablet: 16px;
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--container-gutter-phone: 12px;
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}
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