/* United Cloud — public site. No inline styles anywhere: the CSP forbids them.
   Light by default, in the colours of the United DC logo: white, navy
   #2a3183 and the orbit red #d71c23. The dark theme is kept behind the
   toggle; every token carries both values. */
@layer reset, tokens, base, layout, components, pages, motion;

@font-face {
    font-family: "Fixel";
    src: url("../fonts/fixel.woff2?v=1") format("woff2");
    font-weight: 100 900;
    font-stretch: 87.5% 100%;
    font-display: swap;
}
@font-face {
    font-family: "JetBrains Mono";
    src: url("../fonts/jetbrains-mono.woff2?v=1") format("woff2");
    font-weight: 100 800;
    font-display: swap;
}

@media (prefers-reduced-motion: no-preference) { @view-transition { navigation: auto; } }

@layer reset {
    *, *::before, *::after { box-sizing: border-box; }
    html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
    @media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
    body, h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
    ul, ol { padding: 0; list-style: none; }
    img, svg { display: block; max-width: 100%; }
    button, input, select, textarea { font: inherit; color: inherit; }
    a { color: inherit; text-decoration: none; }
}

@layer tokens {
    :root {
        color-scheme: light;

        /* Scales pinned to the logo: navy-800 is the "DC" navy, red-600 the
           orbit's light end, red-700 its dark end. Greys carry a trace of
           the navy hue so they do not go dead beside it. */
        --navy-50: #f3f7ff; --navy-100: #e6edfe; --navy-200: #cedbfe; --navy-300: #aabffc; --navy-400: #7d9df6;
        --navy-500: #597bed; --navy-600: #425dd8; --navy-700: #3746b2; --navy-800: #2a3183; --navy-900: #1d2261; --navy-950: #10143b;
        --red-50: #fff4f3; --red-100: #fee6e5; --red-200: #fecdca; --red-300: #fea6a0; --red-400: #ff4a4f;
        --red-500: #f03130; --red-600: #d71c23; --red-700: #a8181c; --red-800: #861116;
        --gray-25: #fafbfc; --gray-50: #f6f7f9; --gray-100: #eff0f4; --gray-150: #e6e8ed; --gray-200: #d8dae2; --gray-300: #bdc1ca;
        --gray-400: #9da1ad; --gray-500: #828693; --gray-600: #666a77; --gray-700: #535766; --gray-800: #3d4252; --gray-900: #292d3d;
        --night-0: #0a0d1c; --night-1: #101325; --night-2: #161a2f; --night-3: #1d223a; --night-4: #272c44;
        --green-50: #e8fdee; --green-300: #75da9c; --green-400: #30be74; --green-500: #0ba05c; --green-700: #05703f;
        --amber-50: #fff6e4; --amber-300: #f4b43a; --amber-400: #d6920a; --amber-500: #b87609; --amber-700: #8a4c04;
        --white: #ffffff;

        --bg:              light-dark(var(--white), var(--night-0));
        --bg-subtle:       light-dark(var(--gray-50), var(--night-1));
        --surface:         light-dark(var(--white), var(--night-2));
        --surface-2:       light-dark(var(--gray-100), var(--night-1));
        --surface-inverse: light-dark(var(--navy-950), var(--night-1));
        --tint:            light-dark(var(--navy-50), #141b3e);
        --tint-text:       light-dark(var(--navy-800), var(--navy-200));
        --hairline:        light-dark(var(--gray-150), var(--night-3));
        --border:          light-dark(var(--gray-200), var(--night-4));
        --border-strong:   var(--gray-500);
        --text-strong:     light-dark(var(--navy-950), var(--white));
        --text:            light-dark(var(--gray-900), var(--gray-50));
        --text-2:          light-dark(var(--gray-700), var(--gray-300));
        --text-3:          light-dark(var(--gray-600), #a7aab5);
        --brand:           light-dark(var(--navy-800), var(--navy-300));
        --accent-text:     light-dark(var(--navy-800), var(--navy-300));
        --text-red:        light-dark(var(--red-700), var(--red-300));
        --link:            light-dark(var(--navy-800), var(--navy-300));
        --link-hover:      light-dark(var(--navy-700), var(--navy-200));
        --primary:         light-dark(var(--navy-800), var(--navy-600));
        --primary-hover:   light-dark(var(--navy-700), var(--navy-500));
        --on-primary:      var(--white);
        --accent:          var(--red-600);
        --accent-hover:    var(--red-700);
        --on-accent:       var(--white);
        --orbit:           light-dark(var(--red-600), var(--red-400));
        --focus-ring:      light-dark(var(--navy-600), var(--navy-400));
        --on-inverse:      var(--white);
        --on-inverse-2:    var(--navy-200);
        --on-inverse-3:    var(--navy-300);

        /* Links in running text: ink with a navy line; the line thickens on
           hover and a wash appears behind the words. Red is never a link. */
        --link-text:         var(--text);
        --link-text-hover:   light-dark(var(--navy-800), var(--navy-200));
        --link-line:         light-dark(var(--navy-600), var(--navy-400));
        --link-line-hover:   light-dark(var(--navy-800), var(--navy-300));
        --link-line-visited: light-dark(var(--gray-500), var(--gray-600));
        --link-w:            max(1px, 0.07em);
        --link-w-hover:      max(2px, 0.12em);
        --link-offset:       0.2em;
        --link-wash:         light-dark(rgb(66 93 216 / 0.08), rgb(125 157 246 / 0.12));
        --rail:              light-dark(var(--navy-600), var(--navy-400));
        --prose-text:        light-dark(var(--gray-900), var(--gray-200));

        --code-bg:            light-dark(var(--gray-50), var(--night-1));
        --code-border:        light-dark(var(--gray-200), var(--night-3));
        --code-text:          light-dark(var(--gray-900), var(--gray-200));
        --code-inline-bg:     light-dark(var(--gray-100), var(--night-2));
        --code-inline-border: light-dark(var(--gray-200), var(--night-3));
        --note-bg:   light-dark(var(--amber-50), rgb(214 146 10 / 0.14));
        --note-line: light-dark(var(--amber-500), var(--amber-400));
        --note-fg:   light-dark(var(--amber-700), var(--amber-300));
        --mark-bg:   light-dark(var(--navy-100), #181d4a);
        --danger-fg:   light-dark(var(--red-700), var(--red-300));
        --danger-bg:   light-dark(var(--red-50), #2f131f);
        --danger-line: light-dark(var(--red-600), var(--red-400));

        /* Delivery status: within 12 hours, within 72 hours, none. */
        --st-fast-fg:  light-dark(var(--green-700), var(--green-300));
        --st-fast-bg:  light-dark(var(--green-50), #0a2526);
        --st-fast-dot: light-dark(var(--green-500), var(--green-400));
        --st-slow-fg:  light-dark(var(--amber-700), var(--amber-300));
        --st-slow-bg:  light-dark(var(--amber-50), #2b2219);
        --st-slow-dot: light-dark(var(--amber-500), var(--amber-400));
        --st-none-fg:  light-dark(var(--gray-700), var(--gray-300));
        --st-none-bg:  light-dark(var(--gray-100), var(--night-2));
        --st-none-dot: light-dark(var(--gray-400), var(--gray-600));

        /* The dot map. */
        --map-land:    light-dark(#c6c9d4, var(--night-4));
        --map-ua:      light-dark(var(--navy-500), var(--navy-400));
        --map-link:    light-dark(var(--navy-700), var(--navy-300));
        --map-replica: light-dark(var(--gray-500), var(--gray-600));
        --map-node:    light-dark(var(--navy-800), var(--white));
        --map-halo:    light-dark(rgb(42 49 131 / 0.12), rgb(255 255 255 / 0.14));
        --map-home:    var(--orbit);
        --map-label:   var(--text);
        --map-ms:      var(--accent-text);

        /* The dot field: the map's lattice, continued faintly under a masthead. */
        --dots: radial-gradient(light-dark(rgb(42 49 131 / 0.16), rgb(255 255 255 / 0.14)) 1px, transparent 1.6px);
        --dots-size: 16px 16px;

        --font-display: "Fixel", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
        --font-text: "Fixel", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
        --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
        --step--2: 0.8125rem;
        --step--1: 0.9375rem;
        --step-0:  1.0625rem;
        --step-1:  clamp(1.125rem, 1.05rem + 0.3vw, 1.25rem);
        --step-2:  clamp(1.3125rem, 1.2rem + 0.5vw, 1.5625rem);
        --step-3:  clamp(1.5rem, 1.3rem + 0.9vw, 2rem);
        --step-4:  clamp(1.75rem, 1.3rem + 2.2vw, 3.25rem);
        --step-5:  clamp(2rem, 1.2rem + 3.6vw, 4.5rem);
        --display: clamp(2.5rem, 1.2rem + 6vw, 7rem);

        --section-y: clamp(3.5rem, 2.5rem + 4.5vw, 7.5rem);
        --gutter: clamp(1rem, 0.6rem + 1.8vw, 2rem);
        --content-max: 80rem;
        --prose-max: 42rem;
        --flow: 1.15rem;
        --header-h: 4rem;

        --r-sm: 4px; --r-md: 6px; --r-lg: 10px; --r-pill: 999px;
        --shadow-color: light-dark(rgb(42 49 131 / 0.10), rgb(0 0 0 / 0.5));
        --shadow-1: 0 1px 2px var(--shadow-color);
        --shadow-2: 0 6px 18px -6px var(--shadow-color), 0 2px 4px -2px var(--shadow-color);
        --shadow-3: 0 24px 48px -20px var(--shadow-color), 0 4px 10px -4px var(--shadow-color);

        --dur-1: 120ms; --dur-2: 200ms; --dur-3: 320ms; --dur-draw: 1400ms;
        --dur-breath: 3.2s; --dur-flow: 14s;
        --ease-out: cubic-bezier(.2, .7, .2, 1);

        /* Line icons drawn through masks, coloured by the element. */
        --i-arrow:  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E");
        --i-ext:    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 17 17 7M9 7h8v8'/%3E%3C/svg%3E");
        --i-copy:   url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='9' y='9' width='11' height='11' rx='2'/%3E%3Cpath d='M5 15V6a2 2 0 0 1 2-2h9'/%3E%3C/svg%3E");
        --i-check:  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7'/%3E%3C/svg%3E");
        --i-search: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E");
        --i-chev:   url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m9 6 6 6-6 6'/%3E%3C/svg%3E");
        --i-warn:   url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3.5 2.5 20h19L12 3.5z'/%3E%3Cpath d='M12 9.5v4.5M12 17.2v.3'/%3E%3C/svg%3E");
        --i-alert:  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M12 7.5v5.5M12 16.2v.3'/%3E%3C/svg%3E");
    }

    :root[data-theme="dark"] { color-scheme: dark; }

    @media (color-gamut: p3) {
        :root { --red-500: oklch(0.62 0.26 27); }
    }
}

@layer base {
    body {
        font-family: var(--font-text);
        font-size: var(--step-0);
        font-stretch: 87.5%;
        line-height: 1.55;
        color: var(--text);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
        text-rendering: optimizeLegibility;
    }
    h1, h2, h3 {
        font-family: var(--font-display);
        font-stretch: 100%;
        font-weight: 700;
        line-height: 1.1;
        letter-spacing: -0.022em;
        color: var(--text-strong);
        text-wrap: balance;
    }
    h1 { font-size: var(--step-5); letter-spacing: -0.03em; line-height: 1.02; }
    h2 { font-size: var(--step-4); }
    h3 { font-size: var(--step-1); font-stretch: 87.5%; line-height: 1.25; letter-spacing: -0.01em; }
    p { text-wrap: pretty; }
    :focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; border-radius: 4px; }
    ::selection { background: light-dark(var(--navy-200), var(--navy-800)); color: var(--text); }

    .skip {
        position: absolute; left: -9999px; top: 0; z-index: 100;
        padding: 0.75rem 1rem; background: var(--primary); color: var(--on-primary);
    }
    .skip:focus { left: 0; }
    .muted { color: var(--text-3); }
    .icon { width: 1.25em; height: 1.25em; flex: none; }
    .visually-hidden {
        position: absolute; width: 1px; height: 1px; overflow: hidden;
        clip-path: inset(50%); white-space: nowrap;
    }
    .num, .mono { font-variant-numeric: tabular-nums; }
    .mono { font-family: var(--font-mono); font-size: 0.92em; }
}

@layer layout {
    .wrap { width: min(100% - 2 * var(--gutter), var(--content-max)); margin-inline: auto; }
    .band { padding-block: var(--section-y); }
    .band-first { padding-top: clamp(2rem, 1.2rem + 3vw, 4rem); }
    .band-subtle { background: var(--bg-subtle); border-block: 1px solid var(--hairline); }
    /* One navy surface per page at most (the footer). Inside it every
       token resolves to its dark value. */
    .inverse { color-scheme: dark; color: var(--text); background: var(--surface-inverse); }

    .section-head { max-width: 46rem; margin-bottom: clamp(2rem, 1.4rem + 2vw, 3.5rem); }
    .section-head p:not(.eyebrow) { margin-top: 1rem; font-size: var(--step-1); color: var(--text-2); }
    /* A section with its heading in a spine on the left and the content beside it. */
    .spine { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(2rem, 5vw, 6rem); align-items: start; }
    .spine .section-head { position: sticky; top: calc(var(--header-h) + 2rem); margin: 0; }
}

@layer components {
    /* ------------------------------------------------------------ header -- */
    .site-header {
        position: sticky; top: 0; z-index: 50;
        color: var(--text);
        background: var(--bg);
        border-bottom: 1px solid var(--hairline);
    }
    .header-inner { display: flex; align-items: center; gap: 1.5rem; height: var(--header-h); }
    /* Nothing in the row may be squeezed or broken in two; it folds instead. */
    .header-inner > .logo, .header-tools > * { flex: none; white-space: nowrap; }

    /* The logo: the United DC orbit around "United / Cloud", as plain paths
       (brand/logo). The keyline is a stroke in the background colour under
       the letters, so the ring reads as passing behind them. */
    .logo { display: inline-flex; align-items: center; }
    .logo-mark { height: 2.5rem; width: auto; overflow: visible; }
    .logo-orbit { fill: var(--orbit); }
    .logo-key { fill: none; stroke: var(--bg); stroke-width: 6; stroke-linejoin: round; }
    .logo-ink { fill: var(--brand); }
    .inverse .logo-key { stroke: var(--surface-inverse); }
    .inverse .logo-ink { fill: var(--white); }

    .main-nav { margin-left: auto; }
    .main-nav ul { display: flex; gap: 0.25rem; }
    .main-nav a {
        position: relative; display: block; padding: 0.5rem 0.8rem; border-radius: var(--r-md); white-space: nowrap;
        font-size: var(--step--1); font-weight: 500; color: var(--text-2);
        transition: color var(--dur-1), background var(--dur-1);
    }
    .main-nav a:hover { color: var(--text-strong); background: var(--surface-2); }
    .main-nav a[aria-current="page"] { color: var(--text-strong); }
    /* "You are here": a small orbit under the current item. */
    .main-nav a[aria-current="page"]::after {
        content: ""; position: absolute; left: 50%; bottom: -1px; width: 16px; height: 6px; margin-left: -8px;
        border: 1.5px solid var(--orbit); border-radius: 50%; transform: rotate(-17deg);
    }
    .nav-login { display: none; }
    .icon-sun, .icon-moon { display: inline-grid; place-items: center; }
    .icon-moon { display: none; }
    :root[data-theme="dark"] .icon-sun { display: none; }
    :root[data-theme="dark"] .icon-moon { display: inline-grid; }

    .header-tools { display: flex; align-items: center; gap: 0.35rem; }
    .lang-switch, .header-login {
        padding: 0.4rem 0.6rem; border-radius: var(--r-md);
        font-size: var(--step--1); font-weight: 500; color: var(--text-2);
    }
    .lang-switch { font-weight: 600; letter-spacing: 0.04em; }
    .lang-switch:hover, .header-login:hover { color: var(--text-strong); background: var(--surface-2); }
    .icon-btn {
        display: inline-grid; place-items: center; width: 2.25rem; height: 2.25rem;
        border: 0; border-radius: var(--r-md); background: none; color: var(--text-2); cursor: pointer;
    }
    .icon-btn:hover { color: var(--text-strong); background: var(--surface-2); }
    .nav-toggle { display: none; }
    .header-cta { margin-left: 0.5rem; }

    /* ----------------------------------------------------------- buttons -- */
    .btn {
        display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
        min-height: 2.75rem; padding: 0.6rem 1.15rem;
        border: 1px solid transparent; border-radius: var(--r-md);
        font-weight: 600; font-size: var(--step--1); line-height: 1.2; cursor: pointer;
        transition: background var(--dur-2), border-color var(--dur-2), color var(--dur-2), transform var(--dur-1);
    }
    .btn:active { transform: translateY(1px); }
    .btn .icon { transition: transform var(--dur-2) var(--ease-out); }
    .btn:hover .icon { transform: translateX(3px); }
    .btn-sm { min-height: 2.25rem; padding: 0.4rem 0.85rem; }
    .btn-lg { min-height: 3.25rem; padding: 0.8rem 1.5rem; font-size: var(--step-0); }
    .btn-accent { background: var(--accent); color: var(--on-accent); }
    .btn-accent:hover { background: var(--accent-hover); }
    .btn-primary { background: var(--primary); color: var(--on-primary); }
    .btn-primary:hover { background: var(--primary-hover); }
    /* The second button: an outline in the brand navy. */
    .btn-quiet { border-color: var(--brand); color: var(--brand); background: transparent; }
    .btn-quiet:hover { background: var(--tint); }
    .inverse .btn-quiet { border-color: var(--on-inverse-3); color: var(--on-inverse); }
    .inverse .btn-quiet:hover { background: rgb(255 255 255 / 0.08); }

    .link-arrow { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 600; color: var(--text-strong); }
    .link-arrow .icon { color: var(--brand); transition: transform var(--dur-2) var(--ease-out); }
    .link-arrow:hover { color: var(--link-text-hover); }
    .link-arrow:hover .icon { transform: translateX(3px); }

    /* ------------------------------------------------------------- links --
       Three kinds of link, one rule each. In running text (.prose a,
       .text-link): ink with a navy line. In lists and cards (.link-list,
       .card-link): no line, the whole row is the target, a chevron or an
       arrow at the edge. Navigation (.breadcrumbs, .link-arrow): quiet
       text, the hue on the icon and on hover. Red is never a link colour. */
    .prose a, .text-link {
        color: var(--link-text); font-weight: 500;
        text-decoration-line: underline; text-decoration-color: var(--link-line);
        text-decoration-thickness: var(--link-w); text-underline-offset: var(--link-offset); text-decoration-skip-ink: auto;
        border-radius: 3px;
        transition: color var(--dur-2), text-decoration-color var(--dur-2), text-decoration-thickness var(--dur-2), background-color var(--dur-2), box-shadow var(--dur-2);
    }
    .prose a:visited, .text-link:visited { text-decoration-color: var(--link-line-visited); }
    .prose a:hover, .prose a:active, .text-link:hover, .text-link:active {
        color: var(--link-text-hover); text-decoration-color: var(--link-line-hover); text-decoration-thickness: var(--link-w-hover);
        background-color: var(--link-wash); box-shadow: 0 0 0 3px var(--link-wash);
    }
    .prose a[target="_blank"]::after {
        content: ""; display: inline-block; width: 0.72em; height: 0.72em; margin-inline-start: 0.12em; vertical-align: 0.02em;
        background: var(--link-line-hover); mask: var(--i-ext) center / contain no-repeat; -webkit-mask: var(--i-ext) center / contain no-repeat;
    }
    .prose a code { color: inherit; }

    .link-list { display: grid; list-style: none; padding: 0; }
    .link-list li { margin: 0; padding: 0; border-top: 1px solid var(--hairline); }
    .link-list li::before { content: none; }
    .link-list li:last-child { border-bottom: 1px solid var(--hairline); }
    .link-list a {
        display: grid; grid-template-columns: minmax(0, 1fr) 1.1rem; column-gap: 1rem; align-items: center;
        padding: 0.75rem 0.5rem; margin: 0 -0.5rem; border-radius: var(--r-md); color: var(--text); text-decoration: none;
        transition: color var(--dur-2), background-color var(--dur-2);
    }
    .link-list .t { font-weight: 500; line-height: 1.3; text-wrap: pretty; }
    .link-list .d { grid-column: 1; margin-top: 0.2rem; font-size: var(--step--1); line-height: 1.4; color: var(--text-2); }
    .link-list a::after {
        content: ""; grid-column: 2; grid-row: 1 / span 2; width: 1.1rem; height: 1.1rem;
        background: var(--text-3); mask: var(--i-chev) center / contain no-repeat; -webkit-mask: var(--i-chev) center / contain no-repeat;
        transition: background var(--dur-2), transform var(--dur-2) var(--ease-out);
    }
    .link-list a:hover, .link-list a:focus-visible { color: var(--link-text-hover); background: var(--link-wash); }
    .link-list a:hover::after, .link-list a:focus-visible::after { background: var(--link-line-hover); transform: translateX(3px); }
    .link-list a:visited .t { color: var(--text-2); }
    .link-list-sm a { padding-block: 0.55rem; font-size: var(--step--1); }

    .card-link { position: relative; display: grid; align-content: start; gap: 0.4rem; color: var(--text); padding-right: 3.5rem; }
    .card-link:hover { border-color: var(--link-line); box-shadow: var(--shadow-2); }
    .card-link:hover h3, .card-link:hover strong { color: var(--link-text-hover); }
    .card-arrow {
        position: absolute; top: 1.25rem; right: 1.25rem; width: 1.75rem; height: 1.75rem; border-radius: 50%;
        background: var(--surface-2); color: var(--text-2);
        transition: background var(--dur-2), color var(--dur-2), transform var(--dur-2) var(--ease-out);
    }
    .card-arrow::before { content: ""; position: absolute; inset: 0.4rem; background: currentColor; mask: var(--i-arrow) center / contain no-repeat; -webkit-mask: var(--i-arrow) center / contain no-repeat; }
    .card-link:hover .card-arrow { background: var(--primary); color: var(--on-primary); transform: translateX(2px); }

    /* A small label: sentence case, never caps, never mono. A tag; a chip. */
    .label, .eyebrow {
        font-family: var(--font-text); font-size: var(--step--1); font-weight: 600;
        letter-spacing: 0; text-transform: none; color: var(--text-3);
    }
    .eyebrow { margin-bottom: 0.75rem; }
    .eyebrow-since { color: var(--brand); }
    .badge-since { color: var(--on-inverse-3); font-size: var(--step--1); }
    .tag {
        display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.2rem 0.5rem; border-radius: var(--r-sm);
        font-size: var(--step--2); font-weight: 600; line-height: 1.3;
        color: var(--tint-text); background: var(--tint); text-decoration: none; transition: background var(--dur-1), color var(--dur-1);
    }
    .tag-count { color: var(--text-3); background: var(--surface-2); font-variant-numeric: tabular-nums; }
    a.tag:hover { color: var(--on-primary); background: var(--primary); }
    .chip {
        display: inline-flex; align-items: center; min-height: 1.9rem; padding: 0.25rem 0.7rem;
        border: 1px solid var(--border); border-radius: var(--r-pill); background: var(--surface);
        font-size: var(--step--1); color: var(--text-2);
        transition: border-color var(--dur-1), color var(--dur-1), background var(--dur-1);
    }
    .chip:hover { border-color: var(--brand); color: var(--brand); background: var(--tint); }
    mark {
        color: inherit; background: var(--mark-bg); padding: 0 0.12em; border-radius: 2px;
        box-decoration-break: clone; -webkit-box-decoration-break: clone;
    }

    /* ------------------------------------------------------------- cards -- */
    .card {
        padding: clamp(1.25rem, 1rem + 1vw, 2rem);
        background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
        transition: border-color var(--dur-2), box-shadow var(--dur-3);
    }
    .card h3 { margin-bottom: 0.6rem; }
    .card :where(p) { color: var(--text-2); }
    .card-icon { display: inline-grid; place-items: center; width: 2rem; height: 2rem; margin-bottom: 1rem; color: var(--brand); }
    .card-icon .icon { width: 1.5rem; height: 1.5rem; }
    .card-notice { max-width: 46rem; }
    .card-notice h2 { font-size: var(--step-2); margin-bottom: 0.6rem; }

    /* ------------------------------------------------------ breadcrumbs -- */
    .breadcrumbs { padding-top: 1.5rem; font-size: var(--step--1); color: var(--text-3); }
    .breadcrumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: 0.15rem; }
    .breadcrumbs li { display: inline-flex; align-items: center; }
    .breadcrumbs li + li::before {
        content: ""; width: 0.9rem; height: 0.9rem; margin: 0 0.2rem; background: var(--border-strong);
        mask: var(--i-chev) center / contain no-repeat; -webkit-mask: var(--i-chev) center / contain no-repeat;
    }
    .breadcrumbs a { color: var(--text-3); border-radius: 3px; transition: color var(--dur-1), background-color var(--dur-2); }
    .breadcrumbs a:hover { color: var(--text); background: var(--link-wash); box-shadow: 0 0 0 3px var(--link-wash); }
    .breadcrumbs [aria-current="page"] { color: var(--text-2); }

    /* ------------------------------------------------------------- prose -- */
    .prose { max-width: var(--prose-max); color: var(--prose-text); line-height: 1.6; }
    .prose h1 { margin-bottom: 1.5rem; font-size: var(--step-5); }
    .prose h2 { margin: 2.5rem 0 0.9rem; font-size: var(--step-2); }
    .prose h3 { margin: 2rem 0 0.6rem; }
    .prose :is(h2, h3, h4)[id] { scroll-margin-top: calc(var(--header-h) + 1.5rem); }
    .prose :where(p, ul, ol, dl) { margin-bottom: var(--flow); }
    .prose .lead { margin-bottom: 1.75rem; font-size: var(--step-1); line-height: 1.5; color: var(--text); }
    .prose strong { color: var(--text-strong); }
    .prose ul { list-style: none; }
    .prose ul li { position: relative; padding-left: 1.4rem; margin-bottom: 0.55rem; }
    .prose ul li::before {
        content: ""; position: absolute; left: 0.1rem; top: 0.72em;
        width: 0.4rem; height: 0.4rem; border-radius: 50%; background: var(--brand);
    }
    .prose ol { list-style: none; counter-reset: item; }
    .prose ol li { position: relative; padding-left: 2rem; margin-bottom: 0.75rem; counter-increment: item; }
    .prose ol li::before {
        content: counter(item); position: absolute; left: 0; top: 0;
        font-family: var(--font-display); font-weight: 700; color: var(--brand); font-variant-numeric: tabular-nums;
    }
    .prose li > :last-child { margin-bottom: 0; }
    .prose img { border-radius: var(--r-md); margin-block: 1.5rem; }
    .prose h4 { margin: 1.5rem 0 0.5rem; font-family: var(--font-display); font-weight: 650; font-size: var(--step-0); line-height: 1.25; color: var(--text-strong); }
    .prose :is(h2, h3) + :is(p, ul, ol) { margin-top: 0; }
    .prose em { font-style: normal; font-weight: 500; color: var(--text-strong); }
    /* "Крок 3." leaves the title and becomes a small label above it. */
    .step-label { display: block; margin-bottom: 0.35rem; font-size: var(--step--1); font-weight: 600; color: var(--brand); }
    .prose :is(h2, h3, h4) { position: relative; }
    .prose .anchor {
        position: absolute; left: -1.4em; top: 0; padding: 0 0.3em; font-weight: 400;
        color: var(--text-3); text-decoration: none; opacity: 0; transition: opacity var(--dur-1);
    }
    .prose h2 > .anchor { top: 1.5rem; }
    .prose :is(h2, h3, h4):hover > .anchor, .prose .anchor:focus-visible { opacity: 1; }
    .prose .anchor:hover { color: var(--link-text-hover); background: none; box-shadow: none; }
    .kb-article h2 { margin: 3rem 0 1rem; padding-top: 1.5rem; border-top: 1px solid var(--hairline); }

    .prose code {
        font-family: var(--font-mono); font-size: 0.9em; font-variant-ligatures: none;
        padding: 0.08em 0.38em; border-radius: 4px;
        color: var(--code-text); background: var(--code-inline-bg); box-shadow: inset 0 0 0 1px var(--code-inline-border);
        white-space: nowrap; hyphens: none; box-decoration-break: clone; -webkit-box-decoration-break: clone;
    }
    .prose code.code-wrap { white-space: normal; overflow-wrap: anywhere; }
    .prose kbd {
        font-family: var(--font-mono); font-size: 0.85em; padding: 0.08em 0.45em; white-space: nowrap;
        color: var(--text); background: var(--surface);
        border: 1px solid var(--border-strong); border-bottom-width: 2px; border-radius: 4px;
    }
    .code { position: relative; margin-block: 1.25rem; }
    .code > pre { margin: 0; }
    .prose pre {
        margin-block: 1.25rem; padding: 0.9rem 7rem 0.9rem 1.1rem;
        border: 1px solid var(--code-border); border-radius: var(--r-md);
        color: var(--code-text); background: var(--code-bg);
        font-family: var(--font-mono); font-size: var(--step--1); line-height: 1.65; tab-size: 4; font-variant-ligatures: none;
        white-space: pre; overflow-x: auto; overscroll-behavior-x: contain;
    }
    .prose pre code { padding: 0; border-radius: 0; background: none; box-shadow: none; font-size: inherit; white-space: inherit; color: inherit; }
    .code-copy {
        position: absolute; top: 0.5rem; right: 0.5rem; z-index: 1;
        display: inline-flex; align-items: center; gap: 0.35rem; min-height: 1.85rem; padding: 0.25rem 0.6rem;
        border: 1px solid var(--code-border); border-radius: var(--r-sm);
        font-family: var(--font-text); font-size: var(--step--2); font-weight: 500; color: var(--text-2); background: var(--code-bg);
        cursor: pointer; transition: color var(--dur-1), border-color var(--dur-1), background var(--dur-1);
    }
    .code-copy::before {
        content: ""; width: 0.95rem; height: 0.95rem; background: currentColor;
        mask: var(--i-copy) center / contain no-repeat; -webkit-mask: var(--i-copy) center / contain no-repeat;
    }
    .code-copy:hover { color: var(--text); border-color: var(--border-strong); background: var(--surface); }
    .code-copy[data-done] { color: var(--st-fast-fg); border-color: var(--st-fast-dot); }
    .code-copy[data-done]::before { mask-image: var(--i-check); -webkit-mask-image: var(--i-check); }
    .code[data-scroll]::after {
        content: ""; position: absolute; top: 1px; right: 1px; bottom: 1px; width: 6rem; pointer-events: none;
        border-radius: 0 var(--r-md) var(--r-md) 0; background: linear-gradient(90deg, transparent, var(--code-bg));
    }

    .prose blockquote {
        position: relative; margin: 1.75rem 0; padding: 0.95rem 1.1rem 0.95rem 3rem;
        border: 1px solid color-mix(in oklab, var(--note-line) 40%, transparent); border-left: 3px solid var(--note-line);
        border-radius: var(--r-md); background: var(--note-bg); color: var(--prose-text);
    }
    .prose blockquote::before {
        content: ""; position: absolute; left: 1rem; top: 1.05rem; width: 1.2rem; height: 1.2rem;
        background: var(--note-line); mask: var(--i-warn) center / contain no-repeat; -webkit-mask: var(--i-warn) center / contain no-repeat;
    }
    .prose blockquote > :last-child { margin-bottom: 0; }
    .prose blockquote .note-label { display: block; margin-bottom: 0.25rem; font-weight: 700; color: var(--note-fg); }

    .prose dl { color: var(--prose-text); }
    .prose dt { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--hairline); font-weight: 600; color: var(--text-strong); }
    .prose dt:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
    .prose dd { margin: 0.35rem 0 0; }

    .prose table { width: 100%; border-collapse: collapse; margin-block: 1.5rem; font-size: var(--step--1); line-height: 1.45; }
    .prose thead th {
        padding: 0 0.75rem 0.55rem 0; text-align: left; vertical-align: bottom;
        font-size: var(--step--1); font-weight: 600; color: var(--text-2); border-bottom: 1px solid var(--border-strong);
    }
    .prose td { padding: 0.7rem 0.75rem 0.7rem 0; border-bottom: 1px solid var(--hairline); vertical-align: top; }
    .prose td:first-child { font-weight: 500; color: var(--text-strong); }
    .prose td code { font-size: 0.88em; }
    @media (max-width: 40rem) {
        .prose thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
        .prose table, .prose tbody, .prose tr, .prose td { display: block; }
        .prose tr { padding: 0.75rem 0; border-bottom: 1px solid var(--hairline); }
        .prose tr:first-child { border-top: 1px solid var(--border-strong); }
        .prose td { padding: 0.2rem 0; border: 0; }
        .prose td[data-label]::before { content: attr(data-label); display: block; margin-bottom: 0.1rem; font-size: var(--step--2); font-weight: 600; color: var(--text-2); }
        .prose td:first-child { font-size: var(--step-0); }
        .prose td:first-child::before { content: none; }
    }
    .prose :is(#next, #next-steps) ~ ul { list-style: none; padding: 0; }
    .prose :is(#next, #next-steps) ~ ul li { padding-left: 0; }
    .prose :is(#next, #next-steps) ~ ul li::before { content: none; }
    .article-meta { font-size: var(--step--1); color: var(--text-3); }

    /* ------------------------------------------------------------ footer -- */
    .site-footer { padding-block: clamp(3rem, 2rem + 3vw, 5rem) 2rem; }
    .footer-top { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 2rem; padding-bottom: 2.5rem; border-bottom: 1px solid rgb(255 255 255 / 0.1); }
    .footer-brand .logo-mark { height: 3.5rem; }
    .footer-brand p { margin: 1.25rem 0 0.35rem; max-width: 26rem; color: var(--on-inverse-2); }
    .footer-phone { display: inline-block; font-family: var(--font-display); font-weight: 700; font-size: var(--step-3); letter-spacing: -0.02em; color: var(--on-inverse); font-variant-numeric: tabular-nums; }
    .footer-phone:hover { color: var(--on-inverse-2); }
    .footer-contact { text-align: right; }
    .footer-contact a:not(.footer-phone) { color: var(--on-inverse-2); }
    .footer-contact a:not(.footer-phone):hover { color: var(--on-inverse); }
    .footer-contact p { margin-top: 0.35rem; font-size: var(--step--1); color: var(--on-inverse-3); }
    .footer-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem 2.5rem; padding-top: 2.5rem; }
    .footer-col h3 { margin-bottom: 1rem; font-size: var(--step--1); font-weight: 600; color: var(--on-inverse-3); }
    .footer-col li { margin-bottom: 0.6rem; font-size: var(--step--1); }
    .footer-col a { color: var(--on-inverse-2); text-decoration: underline; text-decoration-color: transparent; text-underline-offset: var(--link-offset); transition: color var(--dur-1), text-decoration-color var(--dur-2); }
    .footer-col a:hover { color: var(--on-inverse); text-decoration-color: var(--on-inverse-3); }
    .footer-bottom {
        display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
        margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid rgb(255 255 255 / 0.1);
        font-size: var(--step--1); color: var(--on-inverse-3);
    }
    .footer-bottom a:hover { color: var(--on-inverse); }

    /* --------------------------------------------------------------- tabs -- */
    .tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
    .tab {
        display: inline-flex; align-items: center; gap: 0.5rem;
        padding: 0.45rem 0.9rem; border: 1px solid var(--border); border-radius: var(--r-md);
        font-size: var(--step--1); font-weight: 500; color: var(--text-2); background: var(--surface);
        transition: border-color var(--dur-1), color var(--dur-1), background var(--dur-1);
    }
    .tab:hover { border-color: var(--border-strong); color: var(--text-strong); }
    .tab[aria-current="page"] { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
    .tab-count { font-variant-numeric: tabular-nums; font-size: var(--step--2); opacity: 0.8; }

    /* ------------------------------------------------------------- filters -- */
    .filters {
        display: flex; flex-wrap: wrap; align-items: flex-end; gap: 0.75rem 1.25rem;
        padding: 1rem 1.25rem; margin-bottom: 1.5rem;
        background: var(--bg-subtle); border: 1px solid var(--hairline); border-radius: var(--r-lg);
    }
    .field { display: grid; gap: 0.3rem; font-size: var(--step--1); color: var(--text-2); }
    .field select {
        min-height: 2.5rem; padding: 0.3rem 0.6rem; min-width: 10rem;
        color: var(--text); background: var(--surface);
        border: 1px solid var(--border-strong); border-radius: var(--r-md);
    }
    .check { display: inline-flex; align-items: center; gap: 0.5rem; min-height: 2.25rem; font-size: var(--step--1); color: var(--text-2); cursor: pointer; }
    .check input { width: 1.05rem; height: 1.05rem; accent-color: var(--primary); }
    .filters-reset { align-self: center; font-size: var(--step--1); }

    /* ------------------------------------------------------- status, pills -- */
    .delivery {
        display: inline-flex; align-items: center; gap: 0.45rem; white-space: nowrap;
        padding: 0.2rem 0.6rem; border-radius: var(--r-pill);
        font-size: var(--step--2); font-weight: 500;
        color: var(--st-none-fg); background: var(--st-none-bg);
    }
    .delivery::before { content: ""; width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--st-none-dot); }
    .delivery-fast { color: var(--st-fast-fg); background: var(--st-fast-bg); }
    .delivery-fast::before { background: var(--st-fast-dot); }
    .delivery-slow { color: var(--st-slow-fg); background: var(--st-slow-bg); }
    .delivery-slow::before { background: var(--st-slow-dot); }
    .pill {
        display: inline-block; padding: 0.2rem 0.6rem; border: 1px solid var(--border); border-radius: var(--r-pill);
        font-size: var(--step--2); color: var(--text-2);
    }
    .pill-good { border-color: transparent; color: var(--tint-text); background: var(--tint); }
    .live-dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--st-fast-dot); box-shadow: 0 0 0 3px rgb(11 160 92 / 0.18); }

    /* -------------------------------------------------------------- tables --
       The catalogue is one board: a sticky head, hairline rows, the line
       groups as section rows, the whole row a link to the server. */
    .table-wrap { overflow: clip; }
    .servers { width: 100%; border-collapse: collapse; font-size: var(--step--1); }
    .servers th, .servers td { padding: 0.9rem 0.75rem; text-align: left; vertical-align: middle; }
    .servers th:first-child, .servers td:first-child { padding-left: 0; }
    .servers th:last-child, .servers td:last-child { padding-right: 0; }
    .servers thead th {
        position: sticky; top: var(--header-h); z-index: 2;
        font-size: var(--step--1); font-weight: 600; color: var(--text-2);
        background: var(--bg); border-bottom: 1px solid var(--border-strong);
    }
    .servers tbody tr { border-top: 1px solid var(--hairline); transition: background var(--dur-1); }
    .servers tbody tr:first-child { border-top: 0; }
    .servers tbody tr:hover { background: var(--bg-subtle); }
    .servers tbody th { font-weight: 600; font-size: var(--step-0); color: var(--text-strong); }
    .servers .num { text-align: right; white-space: nowrap; }
    .servers tr.line-row { background: var(--bg-subtle); cursor: default; }
    .servers tr.line-row:hover { background: var(--bg-subtle); }
    .servers tr.line-row th { padding-block: 1rem; font-family: var(--font-display); font-size: var(--step-2); font-weight: 700; letter-spacing: -0.02em; }
    .servers tr.line-row td { color: var(--text-2); }
    .line-tagline { display: block; font-size: var(--step--1); font-weight: 400; color: var(--text-3); }
    .line-row .pill { margin-left: 0.5rem; vertical-align: middle; }
    @media (min-width: 72rem) {
        .servers-hub { table-layout: fixed; }
        .servers-hub th:nth-child(2) { width: 4.5rem; }
        .servers-hub th:nth-child(3) { width: 9rem; }
        .servers-hub th:nth-child(4) { width: 13.25rem; }
        .servers-hub th:nth-child(5) { width: 7.5rem; }
        .servers-hub th:nth-child(6) { width: 9.25rem; }
        .servers-hub th:nth-child(7) { width: 9.5rem; }
    }
    .server-link { color: var(--text-strong); text-decoration: underline; text-decoration-color: transparent; text-underline-offset: var(--link-offset); transition: color var(--dur-1), text-decoration-color var(--dur-2); }
    .servers tbody tr:hover .server-link, .server-link:hover { color: var(--link-text-hover); text-decoration-color: var(--link-line-hover); }
    .price { font-family: var(--font-display); font-weight: 700; font-size: var(--step-0); letter-spacing: -0.01em; font-variant-numeric: tabular-nums; color: var(--text-strong); }
    a.price { text-decoration: underline; text-decoration-color: transparent; text-underline-offset: var(--link-offset); transition: color var(--dur-1), text-decoration-color var(--dur-2); }
    a.price:hover { color: var(--link-text-hover); text-decoration-color: var(--link-line-hover); }
    .price-from, .price-per { font-family: var(--font-text); font-weight: 400; font-size: var(--step--2); letter-spacing: 0; color: var(--text-3); }
    .price-setup, .cfg-extra { display: block; margin-top: 0.15rem; font-size: var(--step--2); color: var(--text-3); }
    .delivery-faster { display: block; margin-top: 0.3rem; font-size: var(--step--2); color: var(--text-3); white-space: nowrap; }
    @media (min-width: 72rem) { .servers-hub .delivery-faster { white-space: normal; } }
    .catalog-note, .catalog-empty { margin-top: 1.5rem; font-size: var(--step--1); color: var(--text-3); }
    .catalog-empty { font-size: var(--step-0); }

    /* --------------------------------------------------------------- forms -- */
    .form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem 1.25rem; }
    .form-grid .field span { font-size: var(--step--1); font-weight: 500; color: var(--text); }
    .form-grid .field em { font-style: normal; font-weight: 400; color: var(--text-3); }
    .form-grid input, .form-grid textarea {
        width: 100%; min-height: 2.9rem; padding: 0.6rem 0.8rem;
        color: var(--text); background: var(--surface);
        border: 1px solid var(--border-strong); border-radius: var(--r-md);
        transition: border-color var(--dur-1), box-shadow var(--dur-1);
    }
    .form-grid input:focus, .form-grid textarea:focus { outline: none; border-color: var(--focus-ring); box-shadow: 0 0 0 3px var(--link-wash); }
    .form-grid textarea { resize: vertical; }
    .field-wide { grid-column: 1 / -1; }
    .field-bad input { border-color: var(--danger-line); background: var(--danger-bg); }
    .field small { display: flex; align-items: center; gap: 0.35rem; font-size: var(--step--1); color: var(--danger-fg); }
    .field small::before { content: ""; flex: none; width: 1rem; height: 1rem; background: currentColor; mask: var(--i-alert) center / contain no-repeat; -webkit-mask: var(--i-alert) center / contain no-repeat; }
    .form-error {
        display: flex; align-items: center; gap: 0.6rem;
        margin-bottom: 1.25rem; padding: 0.75rem 1rem; border-radius: var(--r-md);
        color: var(--danger-fg); background: var(--danger-bg); border: 1px solid color-mix(in oklab, var(--danger-line) 40%, transparent);
    }
    .form-error::before { content: ""; flex: none; width: 1.2rem; height: 1.2rem; background: currentColor; mask: var(--i-alert) center / contain no-repeat; -webkit-mask: var(--i-alert) center / contain no-repeat; }
    .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
}

@layer pages {
    /* -------------------------------------------------------------- hero --
       White. The headline in navy at poster size on the left, the dot map on
       the right with the orbit around the main location; under them a board
       of the countries with what is in stock. */
    .hero { position: relative; overflow: clip; }
    .hero-grid {
        display: grid; grid-template-columns: minmax(0, 10fr) minmax(0, 11fr);
        align-items: center; gap: clamp(1.5rem, 2vw, 3rem) clamp(1.5rem, 3vw, 4rem);
        padding-block: clamp(2rem, 1rem + 3vw, 4rem) clamp(1.5rem, 1rem + 2vw, 3rem);
        container-type: inline-size;
    }
    /* The headline runs the full width in two or three balanced lines; its
       size follows the width of the page, so the longest line fits. */
    .hero-title {
        grid-column: 1 / -1; max-width: 18ch;
        font-size: clamp(2.25rem, 6.4cqi, 5.75rem); font-weight: 800; letter-spacing: -0.035em; line-height: 0.98;
        color: var(--brand); text-wrap: balance;
    }
    .hero-title span { display: inline; }
    .hero-title-accent { color: inherit; }
    .hero-lead { max-width: 34rem; font-size: var(--step-1); color: var(--text-2); }
    .hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; margin-top: 2rem; }
    .hero-stat { display: inline-flex; align-items: center; gap: 0.6rem; margin-top: 1.5rem; font-size: var(--step--1); color: var(--text-2); }
    .hero-since { margin-top: 1.25rem; font-size: var(--step--1); color: var(--text-3); }

    .hero-map { position: relative; margin-right: calc(-1 * clamp(0rem, 4vw, 5rem)); }
    .hero-map figcaption { margin-top: 0.5rem; }
    .map { width: 100%; height: auto; overflow: visible; }
    .map-land { fill: none; stroke: var(--map-land); stroke-width: 2.6; stroke-linecap: round; }
    .map-ua { fill: none; stroke: var(--map-ua); stroke-width: 3.2; stroke-linecap: round; }
    .map-link { fill: none; stroke: var(--map-link); stroke-width: 1.3; stroke-linecap: round; opacity: 0.8; }
    .map-replica { fill: none; stroke: var(--map-replica); stroke-width: 1.2; stroke-dasharray: 2 7; stroke-linecap: round; }
    .map-city { fill: var(--map-node); stroke: var(--bg); stroke-width: 1.5; }
    .map-site { fill: var(--map-node); }
    .map-halo { fill: var(--map-halo); }
    .map-halo-home { fill: light-dark(rgb(215 28 35 / 0.14), rgb(255 74 79 / 0.2)); }
    .map-home-dot { fill: var(--map-home); stroke: var(--bg); stroke-width: 1.5; }
    .map-orbit { fill: none; stroke: var(--map-home); stroke-width: 1.6; }
    .map-label {
        font-family: var(--font-text); font-size: 13px; font-weight: 500;
        fill: var(--map-label); paint-order: stroke; stroke: var(--bg); stroke-width: 4px; stroke-linejoin: round;
    }
    .map-label-home { font-size: 15px; font-weight: 700; fill: var(--text-strong); }
    .map-ms { font-family: var(--font-mono); font-size: 12px; fill: var(--map-ms); }
    .map-legend { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; font-size: var(--step--2); color: var(--text-3); }
    .map-legend li { display: inline-flex; align-items: center; gap: 0.5rem; }
    .legend-line { width: 1.5rem; border-top: 1.5px solid var(--map-link); }
    .legend-line-dashed { border-top: 1.5px dashed var(--map-replica); }
    .map-note { margin-top: 0.4rem; font-size: var(--step--2); color: var(--text-3); }

    /* The board: one row per country, the whole row a link. */
    .board-wrap { padding-bottom: clamp(2rem, 1rem + 3vw, 4rem); }
    .board { width: 100%; border-collapse: collapse; font-size: var(--step--1); border-top: 1px solid var(--border-strong); }
    .board th, .board td { padding: 0.8rem 0.75rem; text-align: left; vertical-align: middle; }
    .board th:first-child, .board td:first-child { padding-left: 0; }
    .board th:last-child, .board td:last-child { padding-right: 0; }
    .board thead th { font-weight: 600; color: var(--text-3); font-size: var(--step--2); border-bottom: 1px solid var(--hairline); }
    .board tbody tr { border-bottom: 1px solid var(--hairline); transition: background var(--dur-1); }
    .board tbody tr:hover { background: var(--bg-subtle); }
    .board tbody th { font-family: var(--font-display); font-size: var(--step-1); font-weight: 700; color: var(--text-strong); }
    .board tbody th a { color: inherit; }
    .board tbody tr:hover th a { color: var(--link-text-hover); }
    .board .num { text-align: right; }
    .board .board-count { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 600; color: var(--text-strong); }
    .board .board-dots { display: inline-flex; gap: 0.25rem; }
    .board .board-dots i { width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--brand); }
    .board .board-ping { color: var(--accent-text); font-weight: 600; font-variant-numeric: tabular-nums; }
    .board .board-go { width: 2rem; color: var(--text-3); }
    .board .board-go::after { content: ""; display: block; width: 1.1rem; height: 1.1rem; margin-left: auto; background: currentColor; mask: var(--i-arrow) center / contain no-repeat; -webkit-mask: var(--i-arrow) center / contain no-repeat; transition: transform var(--dur-2) var(--ease-out), color var(--dur-1); }
    .board tbody tr:hover .board-go { color: var(--brand); }
    .board tbody tr:hover .board-go::after { transform: translateX(3px); }
    .board-foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 1.5rem; margin-top: 0.9rem; font-size: var(--step--2); color: var(--text-3); }

    /* --------------------------------------------------------- statement -- */
    .statement { scroll-margin-top: var(--header-h); }
    .statement-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(2rem, 5vw, 5rem); }
    .statement-body :where(p) { margin-bottom: 1.1rem; color: var(--text-2); max-width: 42rem; }
    .statement-body .statement-lead {
        font-family: var(--font-display); font-stretch: 100%; font-size: var(--step-2); font-weight: 500;
        line-height: 1.3; letter-spacing: -0.012em; color: var(--text-strong); margin-bottom: 1.5rem;
    }
    .statement-body .statement-sign { font-weight: 600; color: var(--text-strong); }
    .timeline { margin-top: 2.5rem; border-left: 1px solid var(--border-strong); }
    .timeline li { position: relative; padding: 0 0 1.5rem 1.5rem; }
    .timeline li:last-child { padding-bottom: 0; }
    .timeline li::before {
        content: ""; position: absolute; left: -0.3rem; top: 0.45rem;
        width: 0.55rem; height: 0.55rem; border-radius: 50%;
        background: var(--bg); border: 1.5px solid var(--border-strong);
    }
    .timeline .timeline-now::before { background: var(--brand); border-color: var(--brand); }
    .timeline-year { display: block; font-family: var(--font-display); font-size: var(--step-1); font-weight: 700; color: var(--text-strong); font-variant-numeric: tabular-nums; }
    .timeline-label { font-size: var(--step--1); color: var(--text-3); }

    /* ------------------------------------------------------------ ledger --
       Advantages as rows of a ledger: a hairline, the title in the left
       columns, the text to the right. Rows that lead somewhere are links. */
    .ledger { border-top: 1px solid var(--border-strong); }
    .ledger > * { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 0.5rem 3rem; align-items: start; padding: 1.5rem 0; border-bottom: 1px solid var(--hairline); color: var(--text); }
    .ledger h3 { display: flex; align-items: center; gap: 0.75rem; font-size: var(--step-2); font-stretch: 100%; letter-spacing: -0.02em; }
    .ledger h3 .icon { width: 1.4rem; height: 1.4rem; color: var(--brand); }
    .ledger p { color: var(--text-2); max-width: 44rem; }
    .ledger a { transition: background var(--dur-2); margin: 0 -1rem; padding-inline: 1rem; border-radius: var(--r-md); position: relative; }
    .ledger a:hover { background: var(--bg-subtle); }
    .ledger a:hover h3 { color: var(--link-text-hover); }
    .ledger .card-more { grid-column: 2; margin-top: 0.25rem; font-size: var(--step--1); font-weight: 600; color: var(--brand); }
    .ledger-wide { grid-template-columns: minmax(0, 1fr); }
    .ledger-wide p { max-width: none; }

    /* ------------------------------------------------------------- steps -- */
    .steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 3rem); }
    .steps li { padding-top: 1.25rem; border-top: 1px solid var(--border-strong); }
    .step-n { display: block; margin-bottom: 0.75rem; font-family: var(--font-display); font-size: var(--step-4); font-weight: 800; letter-spacing: -0.03em; line-height: 1; color: var(--brand); font-variant-numeric: tabular-nums; }
    .steps h3 { margin-bottom: 0.5rem; }
    .steps p { color: var(--text-2); }
    .steps-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1.25rem, 2.5vw, 2.5rem); }

    /* --------------------------------------------------------------- faq -- */
    .faq-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(2rem, 5vw, 5rem); }
    .faq-grid .section-head { position: sticky; top: calc(var(--header-h) + 2rem); align-self: start; margin: 0; }
    .faq details { border-bottom: 1px solid var(--hairline); }
    .faq details:first-child { border-top: 1px solid var(--border-strong); }
    .faq summary {
        display: flex; align-items: center; justify-content: space-between; gap: 1rem;
        padding: 1.25rem 0; cursor: pointer; list-style: none;
        font-family: var(--font-display); font-size: var(--step-1); font-weight: 600; color: var(--text-strong);
    }
    .faq summary::-webkit-details-marker { display: none; }
    .faq summary::after {
        content: ""; flex: none; width: 0.6rem; height: 0.6rem; margin-right: 0.3rem;
        border-right: 1.5px solid var(--text-3); border-bottom: 1.5px solid var(--text-3);
        transform: rotate(45deg); transition: transform var(--dur-2) var(--ease-out);
    }
    .faq details[open] summary::after { transform: rotate(-135deg); }
    .faq summary:hover { color: var(--link-text-hover); }
    .faq details p { padding: 0 2rem 1.5rem 0; color: var(--text-2); max-width: 44rem; }

    /* ---------------------------------------------------------- cta band --
       Light, with the orbit as its one ornament: a large ring cropped at
       the right, drawn from the logo's symbol. */
    .cta-band { position: relative; overflow: clip; background: var(--bg-subtle); border-block: 1px solid var(--hairline); }
    .cta-orbit { position: absolute; right: -6rem; top: 50%; width: clamp(22rem, 40vw, 40rem); height: auto; transform: translateY(-50%); opacity: 0.12; pointer-events: none; }
    .cta-orbit .logo-orbit { fill: var(--orbit); }
    .cta-inner { position: relative; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 2rem; }
    .cta-inner h2 { font-size: var(--step-4); max-width: 36rem; color: var(--brand); }
    .cta-inner p { margin-top: 0.75rem; color: var(--text-2); max-width: 36rem; }
    .cta-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

    /* ------------------------------------------------------ story, error -- */
    .story h1 { margin-top: 1rem; font-size: var(--step-5); color: var(--brand); }
    .history { margin-top: 3.5rem; padding-top: 2.5rem; border-top: 1px solid var(--border-strong); }
    .history h2 { margin-top: 0; }
    .history-grid { display: grid; grid-template-columns: minmax(0, 1fr) 17rem; gap: 2.5rem 4rem; align-items: start; }
    .history .timeline { margin-top: 0.5rem; list-style: none; padding-left: 0; }
    .history .timeline li { padding-left: 1.5rem; }
    .history .timeline li::before { top: 0.5em; }
    /* The original United DC logo, kept as it was: a dated artefact. */
    .history-logo { margin-bottom: 2rem; }
    .history-logo img { width: 8rem; height: auto; padding: 0.75rem; background: #fff; border: 1px solid var(--hairline); border-radius: var(--r-md); }
    .history-logo figcaption { margin-top: 0.6rem; max-width: 16rem; font-size: var(--step--2); line-height: 1.4; color: var(--text-3); }
    .story { max-width: none; }
    .story > :not(.history) { max-width: var(--prose-max); }
    .error-page { text-align: center; padding-block: 3rem; }
    .error-code { font-family: var(--font-display); font-size: var(--display); font-weight: 800; letter-spacing: -0.04em; line-height: 1; color: var(--hairline); }
    .error-page h1 { font-size: var(--step-4); margin: 0.5rem 0 1rem; }
    .error-page p { color: var(--text-2); }
    .error-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; margin-top: 2rem; }

    /* ---------------------------------------------------------------- kb --
       The front door: white, the search as a real field, the dot field of
       the map fading in from the right. */
    .kb-hero { position: relative; overflow: clip; padding-block: clamp(2.5rem, 1.5rem + 3vw, 4.5rem) clamp(2rem, 1.5rem + 2vw, 3.5rem); border-bottom: 1px solid var(--hairline); }
    .kb-hero::before {
        content: ""; position: absolute; inset: 0; pointer-events: none;
        background-image: var(--dots); background-size: var(--dots-size);
        mask-image: radial-gradient(70% 120% at 90% 30%, #000 10%, transparent 65%);
        -webkit-mask-image: radial-gradient(70% 120% at 90% 30%, #000 10%, transparent 65%);
    }
    .kb-hero-inner { position: relative; max-width: 44rem; }
    .kb-eyebrow { margin-bottom: 0.75rem; color: var(--brand); }
    .kb-hero h1 { font-size: var(--step-5); margin-bottom: 1rem; color: var(--brand); }
    .kb-hero-lead { max-width: 36rem; font-size: var(--step-1); color: var(--text-2); margin-bottom: 1.75rem; }
    .kb-search {
        display: flex; align-items: center; gap: 0.5rem; max-width: 40rem;
        padding: 0.35rem 0.35rem 0.35rem 1rem; border-radius: var(--r-lg);
        background: var(--surface); border: 1px solid var(--border-strong);
        transition: border-color var(--dur-2), box-shadow var(--dur-2);
    }
    .kb-search::before { content: ""; flex: none; width: 1.15rem; height: 1.15rem; background: var(--text-3); mask: var(--i-search) center / contain no-repeat; -webkit-mask: var(--i-search) center / contain no-repeat; }
    .kb-search:focus-within { border-color: var(--focus-ring); box-shadow: 0 0 0 4px var(--link-wash); }
    .kb-search input { flex: 1; min-width: 0; min-height: 3rem; padding: 0; background: none; border: 0; color: var(--text); font-size: var(--step-1); outline: none; }
    .kb-search input::placeholder { color: var(--text-3); }
    .kb-search kbd { padding: 0.1rem 0.45rem; border: 1px solid var(--border); border-radius: 4px; font: 500 var(--step--2) var(--font-mono); color: var(--text-3); }
    .kb-chips { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin-top: 1rem; font-size: var(--step--1); color: var(--text-3); }
    .kb-stats { display: flex; flex-wrap: wrap; gap: 0.4rem 1.5rem; margin-top: 2rem; font-size: var(--step--1); color: var(--text-3); }
    .kb-body { position: relative; }
    .kb-body .wrap { position: relative; }
    .kb-section-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 0.5rem 1.5rem; margin-bottom: 1.5rem; }
    .kb-section-head h2 { font-size: var(--step-3); }
    .kb-route { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-bottom: clamp(2.5rem, 2rem + 2vw, 4rem); }
    .route-card { gap: 0.5rem; padding: 1.4rem 1.5rem 1.3rem; }
    .route-card .step-label { margin: 0 0 0.4rem; }
    .route-card h3 { font-size: var(--step-1); }
    .route-card p { font-size: var(--step--1); color: var(--text-2); margin: 0; }
    .route-time { margin-top: 0.4rem; font-size: var(--step--2); color: var(--text-3); }
    .kb-section { display: grid; grid-template-columns: 16rem minmax(0, 1fr); gap: 1.5rem 4rem; padding: 2.5rem 0; border-top: 1px solid var(--hairline); scroll-margin-top: calc(var(--header-h) + 1rem); }
    .kb-section:first-child { border-top: 1px solid var(--border-strong); }
    .kb-section:last-child { border-bottom: 1px solid var(--hairline); }
    .kb-section-side { position: sticky; top: calc(var(--header-h) + 1.5rem); align-self: start; }
    .kb-section-side h2 { margin: 0 0 0.35rem; font-size: var(--step-2); }
    .kb-section-side p { font-size: var(--step--1); color: var(--text-3); }
    .kb-section .link-list { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 3rem; }
    .kb-section .link-list li:nth-child(-n + 2) { border-top: 0; }
    .kb-section .link-list li:last-child { border-bottom: 0; }
    .kb-section .link-list a { padding-block: 0.9rem; }
    .kb-results-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem 1.25rem; padding-bottom: 1rem; border-bottom: 2px solid var(--text-strong); }
    .kb-results-head h2 { font-size: var(--step-2); }
    .kb-results { margin-bottom: 1rem; }
    .kb-result { display: grid; grid-template-columns: 11rem minmax(0, 1fr); gap: 0.25rem 2rem; padding: 1.35rem 0; border-bottom: 1px solid var(--hairline); }
    .kb-result .label { grid-column: 1; padding-top: 0.35rem; }
    .kb-result h3 { grid-column: 2; font-size: var(--step-1); line-height: 1.3; }
    .kb-result h3 a { color: var(--text-strong); transition: color var(--dur-2); }
    .kb-result h3 a:hover { color: var(--link-text-hover); }
    .kb-result .kb-snippet { grid-column: 2; max-width: 62ch; margin-top: 0.4rem; font-size: var(--step--1); line-height: 1.5; color: var(--text-2); }
    .kb-result mark { text-decoration: underline; text-decoration-color: var(--link-line-hover); text-decoration-thickness: 1.5px; text-underline-offset: 0.15em; }
    .kb-empty { padding: 2rem 0 1rem; max-width: 40rem; color: var(--text-2); }
    .kb-all { margin-top: 3rem; }
    .kb-all .kb-chips { margin-top: 0.75rem; color: var(--text-2); }
    .kb-all .chip { gap: 0.5rem; }
    .read-progress { position: fixed; top: var(--header-h); left: 0; z-index: 49; width: 100%; height: 2px; background: var(--rail); transform-origin: 0 50%; transform: scaleX(0); pointer-events: none; }
    .kb-article-layout { display: grid; grid-template-columns: minmax(0, var(--prose-max)) 15rem; justify-content: center; gap: clamp(3rem, 6vw, 6rem); }
    .article-head { margin-bottom: 1.75rem; }
    .article-cat { display: inline-block; margin-bottom: 1rem; }
    .article-cat a { color: var(--brand); }
    .article-cat a:hover { color: var(--link-text-hover); }
    .prose .article-head h1 { margin-bottom: 1rem; font-size: var(--step-4); letter-spacing: -0.025em; line-height: 1.08; }
    .article-meta { display: flex; flex-wrap: wrap; gap: 0.3rem 0.5rem; margin-bottom: 0; }
    .article-meta > :not(:last-child)::after { content: "·"; margin-left: 0.5rem; color: var(--border-strong); }
    .article-meta > span { white-space: nowrap; }
    .article-meta a { color: var(--text-2); text-decoration: underline; text-decoration-color: var(--link-line); text-underline-offset: var(--link-offset); }
    .article-meta a:hover { color: var(--link-text-hover); }
    .toc-title { margin-bottom: 0.75rem; }
    .toc ol { position: relative; list-style: none; padding: 0; margin: 0; border-left: 1px solid var(--hairline); counter-reset: none; }
    .toc ol::before { content: ""; position: absolute; left: -1px; top: var(--rail-y, 0); height: var(--rail-h, 0); width: 2px; background: var(--rail); transition: top var(--dur-3) var(--ease-out), height var(--dur-3) var(--ease-out); }
    .toc li { margin: 0; padding: 0; }
    .toc li::before { content: none; }
    .toc a { display: block; padding: 0.3rem 0 0.3rem 1rem; font-size: var(--step--1); line-height: 1.35; color: var(--text-2); transition: color var(--dur-1); }
    .toc .toc-l3 a { padding-left: 1.9rem; color: var(--text-3); }
    .toc .toc-step { font-weight: 600; color: var(--brand); }
    .toc a:hover { color: var(--text-strong); }
    .toc a[aria-current="true"] { color: var(--text-strong); font-weight: 500; }
    .toc-mobile { display: none; margin: 0 0 2rem; border-block: 1px solid var(--hairline); }
    .toc-mobile summary { display: flex; align-items: center; justify-content: space-between; padding: 0.85rem 0; cursor: pointer; list-style: none; font-weight: 500; color: var(--text); }
    .toc-mobile summary::-webkit-details-marker { display: none; }
    .toc-mobile summary::after { content: ""; width: 1rem; height: 1rem; background: var(--text-3); mask: var(--i-chev) center / contain no-repeat; -webkit-mask: var(--i-chev) center / contain no-repeat; transform: rotate(90deg); transition: transform var(--dur-2); }
    .toc-mobile[open] summary::after { transform: rotate(-90deg); }
    .toc-mobile .toc { padding-bottom: 0.75rem; }
    .toc-mobile .toc-title { display: none; }
    .kb-aside { position: sticky; top: calc(var(--header-h) + 2rem); align-self: start; max-height: calc(100vh - var(--header-h) - 3rem); overflow-y: auto; overscroll-behavior: contain; font-size: var(--step--1); }
    .kb-aside > * + * { margin-top: 2rem; }
    .aside-title { margin-bottom: 0.5rem; }
    .kb-aside .link-list-sm li:first-child { border-top: 0; }
    .aside-help { padding: 1rem 1.1rem; border: 1px solid var(--border); border-radius: var(--r-md); }
    .aside-help p:not(.label) { margin: 0.35rem 0 0.75rem; color: var(--text-2); }
    .aside-help a { display: block; font-weight: 500; color: var(--text); }
    .aside-help a + a { margin-top: 0.25rem; }
    .aside-help a:hover { color: var(--link-text-hover); }
    .aside-back { font-size: var(--step--1); }
    .article-foot { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--hairline); }
    .article-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
    .article-nav a { display: block; padding: 1rem 1.1rem; border: 1px solid var(--border); border-radius: var(--r-md); color: var(--text); font-weight: 500; line-height: 1.3; transition: border-color var(--dur-2), color var(--dur-2); }
    .article-nav a:hover { color: var(--link-text-hover); border-color: var(--link-line-hover); }
    .article-nav .label { display: block; margin-bottom: 0.4rem; }
    .article-nav a[rel="next"] { text-align: right; }

    /* --------------------------------------------------------- catalogue -- */
    .catalog-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1rem 2rem; margin-bottom: 2rem; }
    .catalog-head h1 { color: var(--brand); }
    .catalog-head .lead { margin-top: 0.75rem; max-width: 40rem; font-size: var(--step-1); color: var(--text-2); }
    .catalog-summary { margin-bottom: 1.25rem; font-size: var(--step-0); color: var(--text-2); }
    .catalog-summary strong { color: var(--text-strong); }

    /* ------------------------------------------------------- server card -- */
    .server-head { margin-bottom: 2rem; }
    .server-head h1 { font-size: var(--step-5); color: var(--brand); }
    .server-sub { margin-top: 0.75rem; font-size: var(--step-0); color: var(--text-2); }
    .server-grid { display: grid; grid-template-columns: minmax(0, 1fr) 22rem; gap: 2.5rem; align-items: start; }
    .server-h2 { font-size: var(--step-2); margin-bottom: 1rem; }
    .server-side { display: grid; gap: 1rem; position: sticky; top: calc(var(--header-h) + 1rem); }
    .side-h2 { font-size: var(--step-1); margin-bottom: 1rem; }
    .price-card { border-color: var(--brand); }
    .price-card-label { font-size: var(--step--1); font-weight: 600; color: var(--text-3); }
    /* The price inside the orbit, as the words are in the logo: the ring is
       drawn behind the figure and the figure carries a keyline in the
       card's colour, so the ring reads as passing behind it. */
    .price-card-value {
        position: relative; isolation: isolate; display: inline-block; margin: 0.9rem 0 0.4rem;
        font-family: var(--font-display); font-size: var(--step-4); font-weight: 800; letter-spacing: -0.03em; line-height: 1;
        color: var(--text-strong); font-variant-numeric: tabular-nums;
        -webkit-text-stroke: 4px var(--surface); paint-order: stroke fill;
    }
    .price-card-value .price-per { font-size: var(--step--1); margin-left: 0.2rem; -webkit-text-stroke: 3px var(--surface); }
    .price-orbit { position: absolute; z-index: -1; left: -18%; top: -96%; width: 136%; height: 292%; overflow: visible; pointer-events: none; }
    .price-orbit .logo-orbit { fill: var(--orbit); }
    @supports not (paint-order: stroke) { .price-card-value { -webkit-text-stroke: 0; } .price-orbit { opacity: 0.25; } }
    .price-card-setup { margin-bottom: 0.9rem; font-size: var(--step--1); color: var(--text-3); }
    .features { display: grid; gap: 0.7rem; font-size: var(--step--1); }
    .features li { position: relative; padding-left: 1.6rem; color: var(--text); }
    .features li span { display: block; color: var(--text-3); font-size: var(--step--2); }
    .features li::before {
        content: ""; position: absolute; left: 0.15rem; top: 0.35em; width: 0.7rem; height: 0.4rem;
        border-left: 2px solid var(--st-fast-dot); border-bottom: 2px solid var(--st-fast-dot); transform: rotate(-45deg);
    }
    .features li.no { color: var(--text-3); }
    .features li.no::before { top: 0.65em; height: 0; border-left: 0; border-bottom: 2px solid var(--st-none-dot); transform: none; }
    .budget { margin-top: 2rem; max-width: 60rem; }
    .budget .budget-alt { margin-top: 1rem; font-weight: 600; color: var(--text-strong); }
    .alt-list { margin-top: 0.5rem; display: grid; gap: 0.4rem; }
    .alt-list a { font-weight: 600; }
    .line-about { margin-top: 2rem; max-width: 60rem; color: var(--text-2); }
    .notice-actions { margin-top: 1.25rem; }
    .notice { margin-bottom: 1.25rem; padding: 0.75rem 1rem; border-radius: var(--r-md); color: var(--st-slow-fg); background: var(--st-slow-bg); font-size: var(--step--1); }
    .more-configs { margin-top: 0.75rem; }
    .more-configs summary {
        display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.5rem 0; cursor: pointer;
        font-size: var(--step--1); font-weight: 600; color: var(--text); text-decoration: underline; text-decoration-color: var(--link-line); text-decoration-thickness: var(--link-w); text-underline-offset: var(--link-offset); list-style: none;
    }
    .more-configs summary::-webkit-details-marker { display: none; }
    .more-configs summary::before { content: "+"; font-family: var(--font-mono); }
    .more-configs[open] summary::before { content: "−"; }
    .more-configs .table-wrap { margin-top: 0.5rem; }
    .configs thead th { position: static; }
    .pick { width: 2.5rem; }
    .pick input { width: 1.1rem; height: 1.1rem; accent-color: var(--primary); cursor: pointer; }
    .configs tbody tr:has(.pick input:checked) { background: var(--tint); box-shadow: inset 3px 0 0 var(--brand); }
    .order-card { margin-top: 2rem; scroll-margin-top: calc(var(--header-h) + 1rem); }
    #order { scroll-margin-top: calc(var(--header-h) + 1rem); }
    .order-lead { margin-bottom: 1.25rem; color: var(--text-2); }
    .payer { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; margin: 0 0 1.25rem; padding: 0; border: 0; }
    .payer legend { margin-bottom: 0.4rem; padding: 0; font-size: var(--step--1); font-weight: 500; color: var(--text); }
    .order-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; margin-top: 1.5rem; }
    .order-fixed { margin-top: 0.9rem; font-size: var(--step--1); color: var(--text-3); }
    .btn-doc { border-color: var(--border-strong); color: var(--text-strong); background: var(--surface); transition: border-color var(--dur-1), background var(--dur-1); }
    .btn-doc .icon { color: var(--brand); transition: transform var(--dur-2) var(--ease-out); }
    .btn-doc:hover { border-color: var(--brand); background: var(--tint); }
    .btn-doc:hover .icon { transform: translateY(2px); }
    .btn-tag {
        padding: 0.15rem 0.4rem; border-radius: 4px;
        font-family: var(--font-mono); font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.06em; line-height: 1.2;
        color: var(--text-red); background: light-dark(var(--red-50), rgb(255 74 79 / 0.16));
    }
    .price-card .btn-doc { margin-top: 0.5rem; }
    .price-card-hint { margin-top: 0.75rem; font-size: var(--step--2); color: var(--text-3); }
    .order-anchor { scroll-margin-top: calc(var(--header-h) + 1rem); }
    .order-anchor .form-error { margin-top: 1.25rem; }
    .btn-block { display: flex; width: 100%; margin-top: 1rem; }

    .sent { max-width: 44rem; }
    .sent h1 { font-size: var(--step-5); margin: 1.25rem 0 0.75rem; color: var(--brand); }
    .sent-lead { font-size: var(--step-1); color: var(--text-2); margin-bottom: 2rem; }
    .sent-mark { display: inline-grid; place-items: center; width: 3rem; height: 3rem; border-radius: 50%; background: var(--st-fast-bg); }
    .sent-mark::before {
        content: ""; width: 1.1rem; height: 0.6rem; margin-top: -0.2rem;
        border-left: 3px solid var(--st-fast-dot); border-bottom: 3px solid var(--st-fast-dot); transform: rotate(-45deg);
    }
    .sent-summary { display: grid; gap: 0.9rem; margin-bottom: 2rem; }
    .sent-summary div { display: grid; grid-template-columns: 12rem minmax(0, 1fr); gap: 1rem; }
    .sent-summary dt { color: var(--text-3); font-size: var(--step--1); }

    /* --------------------------------------------- inner pages: opening -- */
    .page-head { padding-block: clamp(2rem, 1.2rem + 3vw, 4rem) clamp(1.5rem, 1rem + 2vw, 3rem); }
    .page-head h1 { max-width: 20ch; font-size: var(--step-5); color: var(--brand); }
    .page-head .hero-title-sm { font-size: var(--step-5); }
    .page-head .hero-lead { margin-top: 1.25rem; }
    .page-head .hero-actions { margin-top: 1.75rem; }
    .page-head-grid { display: grid; grid-template-columns: minmax(0, 10fr) minmax(0, 11fr); align-items: center; gap: clamp(1.5rem, 3vw, 4rem); }
    /* The one figure a page is about, set large: a phone number, "24/7". */
    .page-figure { display: block; margin-top: 1rem; font-family: var(--font-display); font-size: var(--display); font-weight: 800; letter-spacing: -0.035em; line-height: 1; color: var(--brand); font-variant-numeric: tabular-nums; }
    a.page-figure:hover { color: var(--link-text-hover); }

    /* ------------------------------------------------------------ countries -- */
    .countries { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
    .country { display: flex; flex-direction: column; }
    .country-main { border-color: var(--brand); }
    .country-head { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.75rem; margin-bottom: 0.4rem; }
    .country-head h3 { margin: 0; font-size: var(--step-2); font-stretch: 100%; }
    .country .country-ping { margin-bottom: 0.9rem; font-weight: 600; color: var(--accent-text); }
    .country-text { margin-bottom: 1.25rem; font-size: var(--step--1); }
    .country .country-stock { display: grid; gap: 0.2rem; margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--hairline); font-size: var(--step--1); color: var(--text); }
    .country-count { display: flex; align-items: center; gap: 0.6rem; font-weight: 600; }
    .country-from { color: var(--text-2); }
    .country .link-arrow { margin-top: 0.9rem; align-self: start; }
    @supports (grid-template-rows: subgrid) {
        .country { display: grid; grid-row: span 5; grid-template-rows: subgrid; row-gap: 0; }
        .country-stock { margin-top: 0; align-self: end; }
    }
    .country.card-link { padding-right: clamp(1.25rem, 1rem + 1vw, 2rem); }
    .country-main:hover { border-color: var(--brand); }

    /* ------------------------------------------------------- response time -- */
    .ping-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
    .ping-grid .section-head { margin-bottom: 0; }
    .ping-lead { margin-top: 1.25rem; font-size: var(--step-1); color: var(--text-2); }
    .ping-other { margin-top: 1rem; color: var(--text-2); }
    .ping { width: 100%; border-collapse: collapse; }
    .ping tr + tr { border-top: 1px solid var(--hairline); }
    .ping th, .ping td { padding: 1rem 0; text-align: left; vertical-align: middle; }
    .ping th { width: 7.5rem; font-weight: 600; font-size: var(--step-0); color: var(--text-strong); }
    .ping-value { width: 8.5rem; white-space: nowrap; color: var(--text-2); }
    .ping-bar svg { display: block; width: 100%; height: 0.5rem; }
    .ping-track { fill: var(--border); }
    .ping-fill { fill: var(--primary); }
    .ping-fill-soft { fill: var(--navy-300); }
    .ping-note { margin-top: 1.25rem; font-size: var(--step--2); color: var(--text-2); max-width: 44rem; }

    /* ---------------------------------------------------- four equal cards -- */
    .quad { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
    .quad .card h3 { font-size: var(--step-1); }
    .quad .card p { font-size: var(--step--1); }

    /* ---------------------------------------------------------- workloads -- */
    .cases { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
    .case { display: flex; flex-direction: column; }
    .case h3 { font-size: var(--step-2); font-stretch: 100%; }
    .case-points { margin-block: 1.25rem; }
    .case .case-lines {
        display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.75rem;
        margin-top: auto; padding-top: 1.25rem; border-top: 1px solid var(--hairline);
        font-size: var(--step--1); color: var(--text-3);
    }
    .case-lines .tab { color: var(--brand); }
    .case-lines .tab:hover { color: var(--link-text-hover); border-color: var(--brand); }

    /* ------------------------------------------------------ topic pages -- */
    .card-more { margin-top: 1rem; font-size: var(--step--1); font-weight: 600; color: var(--text-strong); }
    .card-link:hover .card-more { color: var(--link-text-hover); }
    .kb-support {
        display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem;
        padding: 1.5rem 1.75rem; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--bg-subtle);
    }
    .kb-support strong { display: block; font-family: var(--font-display); font-weight: 700; font-size: var(--step-1); letter-spacing: -0.01em; color: var(--text-strong); }
    .kb-support p { margin-top: 0.2rem; color: var(--text-2); font-size: var(--step--1); max-width: 34rem; }
    .kb-support-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }
    .know-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
    .know-grid .section-head { margin-bottom: 0; }
    .know { gap: 0; font-size: var(--step-0); }
    .know li { padding: 1rem 0 1rem 2rem; border-top: 1px solid var(--hairline); color: var(--text); }
    .know li:last-child { border-bottom: 1px solid var(--hairline); }
    .know li::before { top: 1.45rem; }
    .know li.no { color: var(--text-2); }
    .know li.no::before { top: 1.75rem; }
    .by-line th[scope="row"] { width: 45%; }
    .by-line thead th { position: static; }
    .row-none td { color: var(--text-3); }
    .by-line .cfg-extra { display: inline; margin: 0 0 0 0.5rem; font-family: var(--font-text); }
    .contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; align-items: start; }
    .contact-card h2 { margin-bottom: 1.25rem; font-size: var(--step-2); }
    .contact-list { display: grid; gap: 1rem; }
    .contact-list dt { font-size: var(--step--1); color: var(--text-3); }
    .contact-list dd { margin-top: 0.15rem; color: var(--text); }
    .contact-big { font-family: var(--font-display); font-size: var(--step-2); font-weight: 700; letter-spacing: -0.01em; color: var(--text-strong); }
    .contact-big:hover { color: var(--link-text-hover); }
    .contact-name { font-weight: 600; font-size: var(--step-0); }
    .contact-note { margin-top: 1.5rem; padding-top: 1.25rem; border-top: 1px solid var(--hairline); font-size: var(--step--1); }

    /* --------------------------------------------------------- responsive -- */
    @media (max-width: 68rem) {
        .countries, .quad, .steps-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }
    @media (max-width: 62rem) {
        .hero-grid, .page-head-grid { grid-template-columns: minmax(0, 1fr); }
        .hero-map { margin-right: 0; }
        .spine, .statement-grid, .faq-grid, .ping-grid, .know-grid { grid-template-columns: minmax(0, 1fr); }
        .spine .section-head, .faq-grid .section-head { position: static; }
        .ledger > * { grid-template-columns: minmax(0, 1fr); gap: 0.35rem; }
        .ledger .card-more { grid-column: 1; }
        .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
        .footer-contact { text-align: left; }
        .history-grid { grid-template-columns: minmax(0, 1fr); }
        .history .timeline { max-width: var(--prose-max); }
        .kb-route { grid-template-columns: minmax(0, 1fr); }
        .kb-section { grid-template-columns: minmax(0, 1fr); gap: 0.5rem; padding: 2rem 0; }
        .kb-section-side { position: static; }
        .kb-section .link-list { grid-template-columns: minmax(0, 1fr); }
        .kb-section .link-list li:nth-child(2) { border-top: 1px solid var(--hairline); }
        .kb-result { grid-template-columns: minmax(0, 1fr); gap: 0.15rem; }
        .kb-result .label, .kb-result h3, .kb-result .kb-snippet { grid-column: 1; }
        .kb-result .label { padding-top: 0; }
        .kb-article-layout { grid-template-columns: minmax(0, 1fr); gap: 3rem; justify-content: start; }
        .kb-aside { position: static; max-height: none; overflow: visible; }
        .kb-aside .toc-slot { display: none; }
        .toc-mobile { display: block; }
        .prose .anchor { position: static; margin-left: 0.4em; opacity: 0.5; }
        .server-grid { grid-template-columns: minmax(0, 1fr); }
        .server-side { position: static; order: -1; }
    }
    /* Five links, the language switch and the button need about 66rem in a
       row in either language; below that the links fold into the menu. The
       sign-in link or a page added to the menu in the admin panel takes more
       room, so the header then folds earlier (.header-wide), and with two or
       more such extras it is a menu at any width (.header-menu). */
    @media (max-width: 66rem) {
        .site-header {
            .nav-toggle { display: inline-grid; }
            .header-inner { gap: 0.75rem; }
            .header-tools { margin-left: auto; }
            .main-nav {
                display: none; position: absolute; inset: var(--header-h) 0 auto 0; margin: 0;
                padding: 0.75rem var(--gutter) 1.25rem; background: var(--bg);
                border-bottom: 1px solid var(--border); box-shadow: var(--shadow-3);
            }
            .main-nav[data-open="true"] { display: block; }
            .main-nav ul { flex-direction: column; }
            .main-nav a { padding: 0.8rem 0.5rem 0.8rem 1.4rem; font-size: var(--step-1); font-weight: 600; }
            .main-nav a[aria-current="page"]::after { left: 0.5rem; top: 50%; bottom: auto; margin: -2.5px 0 0; width: 5px; height: 5px; border: 0; border-radius: 50%; background: var(--orbit); transform: none; }
        }
    }
    @media (max-width: 76rem) {
        .header-wide {
            .nav-toggle { display: inline-grid; }
            .header-inner { gap: 0.75rem; }
            .header-tools { margin-left: auto; }
            .main-nav {
                display: none; position: absolute; inset: var(--header-h) 0 auto 0; margin: 0;
                padding: 0.75rem var(--gutter) 1.25rem; background: var(--bg);
                border-bottom: 1px solid var(--border); box-shadow: var(--shadow-3);
            }
            .main-nav[data-open="true"] { display: block; }
            .main-nav ul { flex-direction: column; }
            .main-nav a { padding: 0.8rem 0.5rem 0.8rem 1.4rem; font-size: var(--step-1); font-weight: 600; }
            .main-nav a[aria-current="page"]::after { left: 0.5rem; top: 50%; bottom: auto; margin: -2.5px 0 0; width: 5px; height: 5px; border: 0; border-radius: 50%; background: var(--orbit); transform: none; }
        }
    }
    .header-menu {
        .nav-toggle { display: inline-grid; }
        .header-inner { gap: 0.75rem; }
        .header-tools { margin-left: auto; }
        .main-nav {
            display: none; position: absolute; inset: var(--header-h) 0 auto 0; margin: 0;
            padding: 0.75rem var(--gutter) 1.25rem; background: var(--bg);
            border-bottom: 1px solid var(--border); box-shadow: var(--shadow-3);
        }
        .main-nav[data-open="true"] { display: block; }
        .main-nav ul { flex-direction: column; }
        .main-nav a { padding: 0.8rem 0.5rem 0.8rem 1.4rem; font-size: var(--step-1); font-weight: 600; }
        .main-nav a[aria-current="page"]::after { left: 0.5rem; top: 50%; bottom: auto; margin: -2.5px 0 0; width: 5px; height: 5px; border: 0; border-radius: 50%; background: var(--orbit); transform: none; }
    }
    @media (max-width: 48rem) {
        .header-cta, .header-login { display: none; }
        .nav-login { display: list-item; }
        .steps, .countries, .quad, .steps-4, .cases, .contact-grid { grid-template-columns: minmax(0, 1fr); }
        .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
        .footer-top { flex-direction: column; align-items: flex-start; }
        .map-label { font-size: 17px; }
        .map-ms { font-size: 15px; }
        .map-label-home { font-size: 19px; }
        .hero-title { font-size: clamp(2.25rem, 1rem + 6vw, 3rem); }
        .kb-search { padding-left: 0.75rem; }
        .kb-search::before, .kb-search kbd { display: none; }
        .kb-search .btn { padding-inline: 0.8rem; }
        .prose .anchor { display: none; }
        .prose pre { padding-right: 3rem; }
        .code[data-scroll]::after { width: 4rem; }
        .code-copy { gap: 0; padding: 0.3rem; font-size: 0; }
        .code-copy::before { width: 1.05rem; height: 1.05rem; }
        .article-nav { grid-template-columns: minmax(0, 1fr); }
        .article-nav a[rel="next"] { text-align: left; }
        .form-grid { grid-template-columns: minmax(0, 1fr); }
        .sent-summary div { grid-template-columns: minmax(0, 1fr); gap: 0.1rem; }
        .order-actions .btn { flex: 1 1 100%; padding-inline: 0.9rem; font-size: var(--step--1); white-space: nowrap; }
        .ping th { width: 5.5rem; }
        .ping-value { width: 7rem; }
        .by-line th[scope="row"] { width: auto; }
        .by-line-value { text-align: right; }
        .by-line .cfg-extra { display: block; margin: 0.15rem 0 0; }
        .kb-support .btn { flex: 1 1 100%; }
        .filters { align-items: stretch; }
        .field, .field select { width: 100%; }
        /* The board and the tables: two lines per row instead of a column each. */
        .board thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
        .board, .board tbody, .board tr { display: block; }
        .board tr { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.1rem 1rem; padding: 0.9rem 0; }
        .board th, .board td { padding: 0; }
        .board tbody th { grid-column: 1; }
        .board .board-stock { grid-column: 1; font-size: var(--step--1); }
        .board .board-from { grid-column: 2; grid-row: 1; text-align: right; }
        .board .board-ping-cell { grid-column: 2; grid-row: 2; text-align: right; }
        .board .board-go { display: none; }
        .servers thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
        .servers, .servers tbody, .servers tr, .servers th, .servers td { display: block; }
        .servers tbody tr { padding: 0.9rem 0; }
        .servers th, .servers td { padding: 0.2rem 0; }
        .servers td { display: flex; justify-content: space-between; gap: 1rem; text-align: right; }
        .servers td::before { content: attr(data-label); flex: none; text-align: left; font-size: var(--step--2); color: var(--text-3); }
        .servers tbody th { margin-bottom: 0.4rem; }
        .servers .num { white-space: normal; }
        .servers tr.line-row { padding: 1rem 0 0.5rem; }
        .servers tr.line-row td { display: none; }
        .cfg-extra, .price-setup { text-align: right; }
        .servers td.pick { display: block; padding-bottom: 0.4rem; }
        .servers td.pick::before { content: none; }
    }
}

@layer motion {
    @media (prefers-reduced-motion: no-preference) {
        .map-link { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw var(--dur-draw) var(--ease-out) forwards; }
        .map-link-1 { animation-delay: 0.3s; }
        .map-link-2 { animation-delay: 0.5s; }
        .map-link-3 { animation-delay: 0.7s; }
        .map-link-4 { animation-delay: 0.9s; }
        .map-link-5 { animation-delay: 1.1s; }
        .map-replica { animation: flow var(--dur-flow) linear infinite; }
        .map-halo { animation: breathe var(--dur-breath) ease-in-out infinite; }
        .map-cities, .map-sites, .map-home { animation: fade-in 900ms var(--ease-out) both; animation-delay: 0.2s; }
        .hero-copy > * { animation: rise 700ms var(--ease-out) both; }
        .hero-copy > :nth-child(2) { animation-delay: 70ms; }
        .hero-copy > :nth-child(3) { animation-delay: 140ms; }
        .hero-copy > :nth-child(4) { animation-delay: 210ms; }
    }
    @supports (animation-timeline: scroll()) {
        @media (prefers-reduced-motion: no-preference) {
            .read-progress { animation: read-progress linear both; animation-timeline: scroll(root block); }
        }
    }
    @keyframes draw { to { stroke-dashoffset: 0; } }
    @keyframes flow { to { stroke-dashoffset: -180; } }
    @keyframes breathe { 0%, 100% { opacity: 0.45; } 50% { opacity: 1; } }
    @keyframes fade-in { from { opacity: 0; } }
    @keyframes rise { from { opacity: 0; transform: translateY(10px); } }
    @keyframes read-progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }
    @media (prefers-reduced-motion: reduce) {
        .read-progress { display: none; }
        .toc ol::before, .code-copy, .toc a { transition: none; }
        .prose a, .text-link, .link-list a, .link-list a::after, .link-arrow .icon, .card-link, .card-arrow, .breadcrumbs a { transition: none; }
        .link-list a:hover::after, .link-arrow:hover .icon, .card-link:hover, .card-link:hover .card-arrow { transform: none; }
    }
}

/* Windows high contrast: the lines and the masked icons must stay visible. */
@media (forced-colors: active) {
    .prose a, .text-link, .alt-list a, .server-link, a.price, .footer-col a { text-decoration-color: LinkText; }
    .prose a[target="_blank"]::after, .link-list a::after, .card-arrow::before, .breadcrumbs li + li::before, .board .board-go::after { background: LinkText; forced-color-adjust: none; }
    .main-nav a[aria-current="page"]::after { border-color: CanvasText; forced-color-adjust: none; }
    .prose ul li::before, .board .board-dots i { background: CanvasText; forced-color-adjust: none; }
    .code-copy::before, .prose blockquote::before, .toc-mobile summary::after, .field small::before, .form-error::before { background: LinkText; forced-color-adjust: none; }
    .toc ol::before, .read-progress { background: Highlight; forced-color-adjust: none; }
}

/* An article printed is the text alone, with the links spelt out. */
@media print {
    .site-header, .site-footer, .breadcrumbs, .kb-aside, .toc-mobile, .code-copy, .read-progress, .article-foot, .cta-band, .prose .anchor { display: none !important; }
    .kb-article-layout { display: block; }
    .prose { max-width: none; color: #000; }
    .prose pre { white-space: pre-wrap; overflow: visible; border-color: #999; }
    .prose a { color: #000; }
    .prose a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 0.8em; color: #555; mask: none; -webkit-mask: none; background: none; width: auto; height: auto; }
}