mirror of
https://github.com/Since-3/since3-website.git
synced 2026-10-12 19:51:16 +00:00
475 lines
13 KiB
CSS
475 lines
13 KiB
CSS
@import "tailwindcss";
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@import "tw-animate-css";
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@import "shadcn/tailwind.css";
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@custom-variant dark (&:where([data-theme="dark"], [data-theme="dark"] *));
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/* ── Design tokens ─────────────────────────────────────────────────────── */
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@theme {
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/* Ink scale: luminance only, no hue */
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--color-ink-0: oklch(1 0 0);
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--color-ink-50: oklch(0.975 0 0);
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--color-ink-100: oklch(0.945 0 0);
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--color-ink-200: oklch(0.885 0 0);
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--color-ink-300: oklch(0.785 0 0);
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--color-ink-400: oklch(0.665 0 0);
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--color-ink-500: oklch(0.555 0 0);
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--color-ink-600: oklch(0.45 0 0);
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--color-ink-700: oklch(0.35 0 0);
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--color-ink-800: oklch(0.245 0 0);
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--color-ink-900: oklch(0.155 0 0);
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--color-ink-950: oklch(0.085 0 0);
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--color-ink-1000: oklch(0 0 0);
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--color-signal-error: oklch(0.63 0.21 25);
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--color-signal-success: oklch(0.72 0.17 150);
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/* Type scale */
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--text-mega: clamp(3.25rem, 12.5vw, 14rem);
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--text-mega--line-height: 0.84;
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--text-display: clamp(2.75rem, 8.5vw, 8.5rem);
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--text-display--line-height: 0.86;
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--text-statement: clamp(2rem, 5vw, 4.75rem);
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--text-statement--line-height: 1;
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--text-title: clamp(1.5rem, 2.6vw, 2.5rem);
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--text-title--line-height: 1.1;
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--text-lead: clamp(1.125rem, 1.5vw, 1.375rem);
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--text-lead--line-height: 1.5;
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--text-body: 1.0625rem;
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--text-body--line-height: 1.6;
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--text-label: 0.8125rem;
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--text-label--line-height: 1.4;
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/* Space and layout */
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--spacing-section: clamp(7rem, 16vh, 14rem);
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--spacing-gutter: clamp(1.25rem, 4vw, 4rem);
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--container-site: 90rem;
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--radius-glass: 1.5rem;
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--ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
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--ease-in-out-quart: cubic-bezier(0.76, 0, 0.24, 1);
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}
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@theme inline {
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--font-sans: var(--font-mona), ui-sans-serif, system-ui, sans-serif;
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--font-mono: var(--font-jetbrains), ui-monospace, monospace;
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--font-heading: var(--font-sans);
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--color-bg: var(--bg);
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--color-fg: var(--fg);
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--color-fg-muted: var(--fg-muted);
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--color-fg-subtle: var(--fg-subtle);
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--color-line: var(--line);
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--color-surface: var(--surface);
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/* shadcn/ui bridge */
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--color-background: var(--background);
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--color-foreground: var(--foreground);
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--color-card: var(--card);
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--color-card-foreground: var(--card-foreground);
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--color-popover: var(--popover);
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--color-popover-foreground: var(--popover-foreground);
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--color-primary: var(--primary);
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--color-primary-foreground: var(--primary-foreground);
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--color-secondary: var(--secondary);
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--color-secondary-foreground: var(--secondary-foreground);
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--color-muted: var(--muted);
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--color-muted-foreground: var(--muted-foreground);
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--color-accent: var(--accent);
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--color-accent-foreground: var(--accent-foreground);
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--color-destructive: var(--destructive);
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--color-border: var(--border);
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--color-input: var(--input);
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--color-ring: var(--ring);
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--radius-sm: calc(var(--radius) * 0.6);
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--radius-md: calc(var(--radius) * 0.8);
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--radius-lg: var(--radius);
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--radius-xl: calc(var(--radius) * 1.4);
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--radius-2xl: calc(var(--radius) * 1.8);
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}
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/* ── Themes ────────────────────────────────────────────────────────────── */
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:root,
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[data-theme="light"] {
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--bg: var(--color-ink-0);
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--fg: var(--color-ink-1000);
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--fg-muted: var(--color-ink-600);
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--fg-subtle: var(--color-ink-400);
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--line: var(--color-ink-200);
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--surface: var(--color-ink-100);
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}
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[data-theme="dark"] {
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--bg: var(--color-ink-1000);
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--fg: var(--color-ink-0);
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--fg-muted: var(--color-ink-400);
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--fg-subtle: var(--color-ink-600);
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--line: var(--color-ink-800);
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--surface: var(--color-ink-900);
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}
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:root {
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--radius: 0.75rem;
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/* Static light position for the glass edge highlight */
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--light-x: 30%;
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--light-y: 0%;
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}
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/*
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* Custom properties resolve where they are declared, so the shadcn mapping
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* is re-declared on every themed element.
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*/
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:root,
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[data-theme] {
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--background: var(--bg);
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--foreground: var(--fg);
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--card: var(--bg);
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--card-foreground: var(--fg);
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--popover: var(--bg);
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--popover-foreground: var(--fg);
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--primary: var(--fg);
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--primary-foreground: var(--bg);
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--secondary: var(--surface);
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--secondary-foreground: var(--fg);
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--muted: var(--surface);
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--muted-foreground: var(--fg-muted);
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--accent: var(--surface);
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--accent-foreground: var(--fg);
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--destructive: var(--color-signal-error);
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--border: var(--line);
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--input: var(--color-ink-500);
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--ring: var(--fg);
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}
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@layer base {
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* {
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@apply border-border;
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}
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html {
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@apply font-sans;
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scroll-padding-top: 6rem;
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}
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body {
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@apply bg-background text-foreground;
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font-size: var(--text-body);
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line-height: 1.6;
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}
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[data-theme] {
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background-color: var(--bg);
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color: var(--fg);
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}
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::selection {
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background: var(--fg);
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color: var(--bg);
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}
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}
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:where(a, button, input, textarea, select, summary, [tabindex]):focus-visible {
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outline: 2px solid var(--fg);
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outline-offset: 3px;
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box-shadow: 0 0 0 5px var(--bg);
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}
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/* ── Smooth scroll (Lenis) ────────────────────────────────────────────── */
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html.lenis,
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html.lenis body {
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height: auto;
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}
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.lenis:not(.lenis-autoToggle).lenis-stopped {
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overflow: clip;
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}
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.lenis [data-lenis-prevent] {
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overscroll-behavior: contain;
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}
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.lenis.lenis-smooth iframe {
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pointer-events: none;
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}
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/* ── Layout & type utilities ──────────────────────────────────────────── */
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@utility container-site {
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width: 100%;
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max-width: var(--container-site);
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margin-inline: auto;
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padding-inline: var(--spacing-gutter);
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}
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/* Poster type: heavy, condensed, uppercase */
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@utility type-poster {
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font-variation-settings: "wght" 800, "wdth" 75;
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text-transform: uppercase;
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letter-spacing: -0.01em;
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text-wrap: balance;
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}
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@utility type-statement {
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font-size: var(--text-statement);
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font-variation-settings: "wght" 560, "wdth" 90;
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line-height: 1;
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letter-spacing: -0.025em;
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text-wrap: balance;
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}
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@utility type-title {
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font-size: var(--text-title);
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font-variation-settings: "wght" 600, "wdth" 90;
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line-height: 1.1;
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letter-spacing: -0.02em;
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text-wrap: balance;
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}
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@utility type-body {
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line-height: 1.6;
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max-width: 62ch;
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text-wrap: pretty;
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}
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@utility type-label {
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font-family: var(--font-mono);
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font-size: var(--text-label);
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color: var(--fg-muted);
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}
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/*
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* Outlined type. Variable fonts have overlapping contours that a plain stroke
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* would draw inside the letters, so the stroke is painted first at double
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* width and the fill (in the background color) covers its inner half.
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*/
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@utility text-outline {
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color: var(--bg);
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-webkit-text-stroke: max(2px, 0.024em) var(--stroke-color, var(--fg));
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paint-order: stroke fill;
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}
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/* ── Grain over everything ────────────────────────────────────────────── */
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body::after {
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content: "";
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position: fixed;
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inset: -50%;
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z-index: 90;
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pointer-events: none;
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opacity: 0.06;
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background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.5 0 0 0 0 0.5 0 0 0 0 0.5 0 0 0 1.2 -0.1'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
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}
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/* ── Glass ────────────────────────────────────────────────────────────── */
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.glass {
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position: relative;
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isolation: isolate;
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background: linear-gradient(
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135deg,
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rgb(255 255 255 / 0.08),
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rgb(255 255 255 / 0.02)
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);
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backdrop-filter: blur(24px) saturate(1.2);
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border: 1px solid rgb(255 255 255 / 0.12);
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border-radius: var(--radius-glass);
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box-shadow:
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0 1px 0 0 rgb(255 255 255 / 0.14) inset,
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0 30px 80px -30px rgb(0 0 0 / 0.6);
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}
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.glass::before {
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content: "";
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position: absolute;
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inset: 0;
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z-index: -1;
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border-radius: inherit;
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pointer-events: none;
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background: radial-gradient(
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120% 90% at var(--light-x) var(--light-y),
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rgb(255 255 255 / 0.1),
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transparent 60%
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);
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}
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@media (prefers-reduced-transparency: reduce) {
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.glass {
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backdrop-filter: none;
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background: var(--color-ink-900);
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}
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}
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/* ── Intro gating ─────────────────────────────────────────────────────── */
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/*
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* An inline script adds `is-intro` before the first paint when the preloader
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* should play. Everything that animates in after the preloader is paused while
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* that class is present. Without JavaScript the class never appears and the
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* page simply animates in.
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*/
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.preloader {
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display: none;
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clip-path: inset(0 0 0 0);
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transition: clip-path 1000ms var(--ease-in-out-quart);
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}
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html.is-intro .preloader,
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.preloader[data-state="leaving"] {
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display: flex;
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}
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.preloader[data-state="leaving"] {
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clip-path: inset(0 0 100% 0);
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}
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html.is-intro {
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overflow: hidden;
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}
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html.is-intro :is(.hero-char, .hero-fade) {
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animation-play-state: paused;
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}
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@keyframes char-in {
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from {
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translate: 0 105%;
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rotate: 6deg;
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}
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to {
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translate: 0 0;
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rotate: 0deg;
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}
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}
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@keyframes fade-up {
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from {
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opacity: 0;
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translate: 0 1.5rem;
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}
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}
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.hero-char {
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display: inline-block;
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transform-origin: 0 100%;
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animation: char-in 1100ms var(--ease-out-expo) calc(150ms + var(--i) * 28ms) both;
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}
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.hero-fade {
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animation: fade-up 1200ms var(--ease-out-expo) calc(700ms + var(--d, 0ms)) both;
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}
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/* ── Header: inverts itself over light and dark sections ──────────────── */
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.site-header {
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mix-blend-mode: difference;
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color: white;
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transition: translate 500ms var(--ease-in-out-quart);
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}
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.site-header[data-hidden="true"] {
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translate: 0 -120%;
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}
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/* ── Sound toggle equalizer ───────────────────────────────────────────── */
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@keyframes equalizer {
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0%,
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100% {
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scale: 1 0.25;
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}
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50% {
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scale: 1 1;
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}
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}
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@utility animate-equalizer {
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animation: equalizer 0.9s ease-in-out infinite;
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}
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/* ── Custom cursor ────────────────────────────────────────────────────── */
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@media (hover: hover) and (pointer: fine) {
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html.has-cursor,
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html.has-cursor * {
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cursor: none !important;
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}
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html.has-cursor :is(input, textarea, select) {
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cursor: text !important;
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}
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}
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/* ── Services: rows wipe to inverted on hover ─────────────────────────── */
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.service-row {
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position: relative;
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isolation: isolate;
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}
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.service-row::before {
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content: "";
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position: absolute;
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inset: 0;
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z-index: -1;
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background: var(--fg);
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scale: 1 0;
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transform-origin: 50% 100%;
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transition: scale 600ms var(--ease-in-out-quart);
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}
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.service-row :is(.service-name, .service-meta) {
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transition:
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color 400ms var(--ease-in-out-quart),
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translate 600ms var(--ease-in-out-quart);
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}
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.service-row .service-details {
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display: grid;
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grid-template-rows: 0fr;
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transition: grid-template-rows 600ms var(--ease-in-out-quart);
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}
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@media (hover: hover) and (pointer: fine) {
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.service-row:hover::before,
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.service-row:focus-within::before {
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scale: 1 1;
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transform-origin: 50% 0%;
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}
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.service-row:is(:hover, :focus-within) :is(.service-name, .service-meta) {
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color: var(--bg);
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}
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.service-row:is(:hover, :focus-within) .service-name {
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translate: 1.5rem 0;
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}
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.service-row:is(:hover, :focus-within) .service-details {
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grid-template-rows: 1fr;
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}
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}
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/* Touch devices: details are always visible */
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@media not ((hover: hover) and (pointer: fine)) {
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.service-row .service-details {
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grid-template-rows: 1fr;
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}
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}
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/* ── Scroll-driven reveal (progressive enhancement) ──────────────────── */
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@supports (animation-timeline: view()) {
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.reveal {
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animation: fade-up linear both;
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animation-timeline: view();
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animation-range: entry 5% cover 30%;
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}
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.clip-reveal {
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animation: clip-reveal linear both;
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animation-timeline: view();
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animation-range: entry 0% cover 40%;
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}
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@keyframes clip-reveal {
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from {
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clip-path: inset(18% 8% 18% 8% round 3rem);
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}
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to {
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clip-path: inset(0 0 0 0 round var(--radius-glass));
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}
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}
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}
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/* ── Reduced motion ───────────────────────────────────────────────────── */
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@media (prefers-reduced-motion: reduce) {
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*,
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*::before,
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*::after {
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animation-duration: 0.01ms !important;
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animation-delay: 0ms !important;
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animation-iteration-count: 1 !important;
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transition-duration: 0.01ms !important;
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scroll-behavior: auto !important;
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}
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.reveal,
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.clip-reveal {
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animation: none !important;
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}
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}
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