/*
 * Nano Systems Pty Limited - One-Page Site Stylesheet
 * Architecture: Fallback First, Token-Driven, Logical Properties
 * Version: 1.6.3 (Success message integrated)
 *
 * Notes:
 * - Fallback tokens first, enhancements gated
 * - Logical properties by default
 * - Reduced motion disables all motion and transitions without !important
 * - No hover lift, interaction via border and background only
 * - No hard-coded colours, radii, spacing, focus rings, or blurs outside tokens
 */

/* 1. Scope guard and design tokens */
body.nano-site {
    /* ================================================================= */
    /* A. FALLBACK TOKENS (HEX/RGBA) */
    /* ================================================================= */

    /* A1. Foundational brand palette */
    --nano-primary: #fc6b3a;
    --nano-secondary: #8f97a6;
    --nano-accent: #a36454;
    --nano-ink: #000000;

    /* A2. Foundational neutral palette */
    --nano-bg-0: #322e32;
    --nano-bg-1: #3c383c;
    --nano-surface: #f2f6f3;

    /* A3. Derived text and focus colours */
    --nano-text-muted: rgba(242, 246, 243, 0.78);
    --nano-footer-fg: rgba(242, 246, 243, 0.68);
    --nano-focus: rgba(242, 246, 243, 0.75);

    /* A4. Derived glass and border tokens */
    --nano-glass-main-fallback: rgba(242, 246, 243, 0.028);
    --nano-glass-main-enhanced: rgba(242, 246, 243, 0.036);
    --nano-glass-main-border: rgba(143, 151, 166, 0.26);
    --nano-border-1: rgba(143, 151, 166, 0.2);
    --nano-border-2: rgba(143, 151, 166, 0.4);
    --nano-footer-border: rgba(242, 246, 243, 0.1);
    --nano-footer-bg: rgba(0, 0, 0, 0.1);
    --nano-footer-bg-glass: rgba(0, 0, 0, 0.06);

    /* A5. Component tokens: Link, Buttons */
    --nano-link-fg: var(--nano-surface);
    --nano-link-bg: rgba(242, 246, 243, 0.12);
    --nano-link-bg-hover: rgba(242, 246, 243, 0.18);
    --nano-link-border: rgba(242, 246, 243, 0.26);
    --nano-link-border-hover: rgba(242, 246, 243, 0.42);

    --nano-btn-fg: var(--nano-surface);
    --nano-btn-primary-bg: rgba(252, 107, 58, 0.92);
    --nano-btn-primary-bg-hover: var(--nano-primary);
    --nano-btn-primary-border: rgba(252, 107, 58, 0.55);
    --nano-btn-primary-border-hover: rgba(252, 107, 58, 0.85);

    --nano-btn-secondary-bg: rgba(242, 246, 243, 0.06);
    --nano-btn-secondary-bg-hover: rgba(242, 246, 243, 0.12);
    --nano-btn-secondary-border: rgba(242, 246, 243, 0.22);
    --nano-btn-secondary-border-hover: rgba(242, 246, 243, 0.38);

    /* A6. Component tokens: Service Pills & Forms */
    --nano-service-pill-bg: rgba(242, 246, 243, 0.06);
    --nano-service-pill-bg-enhanced: rgba(242, 246, 243, 0.08);

    --nano-form-control-bg: rgba(0, 0, 0, 0.18);
    --nano-form-control-bg-enhanced: rgba(0, 0, 0, 0.14);
    --nano-form-control-border: rgba(242, 246, 243, 0.14);
    --nano-form-control-focus: rgba(242, 246, 243, 0.28);
    --nano-form-control-placeholder: rgba(242, 246, 243, 0.55);

    --nano-form-submit-bg: rgba(242, 246, 243, 0.95);
    --nano-form-submit-bg-hover: var(--nano-surface);
    --nano-form-submit-fg: rgba(0, 0, 0, 0.85);

    --nano-form-error-fg: #ff8e8e;

    --nano-footnote-bg: rgba(0, 0, 0, 0.16);
    --nano-footnote-border: rgba(242, 246, 243, 0.1);

    /* Stronger footnote emphasis (Current clients line) */
    --nano-footnote-bg-strong: rgba(0, 0, 0, 0.22);
    --nano-footnote-border-strong: rgba(242, 246, 243, 0.16);

    /* A7. Intent tokens: Skip link and vignette */
    --nano-skip-bg: rgba(0, 0, 0, 0.7);
    --nano-vignette-clear: rgba(0, 0, 0, 0);

    /* ================================================================= */
    /* B. LAYOUT AND TYPOGRAPHY TOKENS */
    /* ================================================================= */

    /* B1. Core geometry */
    --nano-border-width: 1px;
    --nano-blur: 0.875rem;
    --nano-content-max: 85rem;
    --nano-text-max: 60ch;

    /* B2. Focus ring */
    --nano-focus-ring-width: 2px;
    --nano-focus-offset: 3px;

    /* B3. Spacing scale */
    --nano-space-3xs: 0.125rem;
    --nano-space-2xs: 0.25rem;
    --nano-space-xs: 0.5rem;
    --nano-space-sm: 0.75rem;
    --nano-space-2sm: 0.875rem;
    --nano-space-md: 1rem;
    --nano-space-lg: 1.25rem;
    --nano-space-xl: 2rem;
    --nano-space-2xl: 2.5rem;

    --nano-gutter: clamp(1.125rem, 3vw, var(--nano-space-xl));

    /* B4. Radius scale */
    --nano-radius: 2rem;
    --nano-radius-control: 1rem;
    --nano-radius-footnote: 1.25rem;
    --nano-pill: 99rem;

    /* B5. Typography stacks */
    --nano-font-heading: "Plus Jakarta Sans", sans-serif;
    --nano-font-body:
        "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Arial,
        sans-serif;
    --nano-font-mono:
        "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Monaco,
        Consolas, monospace;

    /* B6. Header and Hero scale */
    --nano-header-pad-block: clamp(1.5rem, 4vh, 2rem);
    --nano-logo-block: clamp(2rem, 5vw, 2.75rem);
    --nano-nav-gap: var(--nano-space-md);
    --nano-nav-row-gap: var(--nano-space-2sm);

    --nano-hero-gap: clamp(2rem, 8vh, 5rem);
    --nano-hero-max: 80ch;
    --nano-hero-actions-gap: 1.375rem;

    --nano-hero-h1: clamp(2.5rem, 8vw, 4rem);
    --nano-hero-h1-lh: 1.06;
    --nano-hero-h1-mt: var(--nano-space-lg);
    --nano-hero-h1-mb: var(--nano-space-md);

    --nano-hero-sub: clamp(1rem, 2.5vw, 1.1875rem);
    --nano-hero-sub-lh: 1.7;

    /* B7. Component scale */
    --nano-btn-radius: var(--nano-pill);
    --nano-btn-gap: var(--nano-space-sm);
    --nano-btn-pad-block: 0.6875rem;
    --nano-btn-pad-inline: var(--nano-space-md);
    --nano-btn-gap-inner: var(--nano-space-2sm);

    --nano-link-pad-block: 0.625rem;
    --nano-link-pad-inline: 0.875rem;

    --nano-logo-link-pad-block: var(--nano-space-2sm);
    --nano-logo-link-pad-inline: var(--nano-space-2xs);

    --nano-skip-inset: var(--nano-space-sm);
    --nano-skip-pad-block: var(--nano-space-xs);
    --nano-skip-pad-inline: var(--nano-space-sm);

    /* B8. Main content and card scale */
    --nano-content-pad-block: clamp(2.5rem, 8vh, 3.5rem);
    --nano-glass-padding: clamp(1.75rem, 5vw, 2.75rem);
    --nano-card-heading-size: clamp(0.75rem, 3vw, 1rem);
    --nano-card-gap-block: var(--nano-space-lg);

    --nano-service-list-gap: var(--nano-space-sm);
    --nano-service-pad-block: var(--nano-space-2sm);
    --nano-service-pad-inline: var(--nano-space-md);

    --nano-form-group-gap: var(--nano-space-2sm);
    --nano-form-control-pad-block: var(--nano-space-2sm);
    --nano-form-control-pad-inline: var(--nano-space-md);

    --nano-form-submit-min-block: 3.25rem;
    --nano-form-submit-pad-block: var(--nano-space-sm);
    --nano-form-submit-pad-inline: var(--nano-space-xl);
    --nano-form-submit-font: var(--nano-space-md);

    --nano-error-font: var(--nano-space-2sm);
    --nano-error-gap: var(--nano-space-2xs);

    --nano-footnote-mt: var(--nano-space-lg);
    --nano-footnote-pad-block: var(--nano-space-md);
    --nano-footnote-pad-inline: var(--nano-space-lg);

    /* B8a. What we do catalogue scale (final) */
    --nano-service-name-fg: var(--nano-surface);
    --nano-service-meta-fg: var(--nano-text-muted);

    --nano-service-name-size: 1rem;
    --nano-service-meta-size: 0.75rem;
    --nano-service-meta-tracking: 0.12em;

    --nano-service-row-pad-block: 0.75rem;
    --nano-service-row-gap: 0.125rem;
    --nano-service-item-gap: 0.375rem;

    --nano-service-icon-size: var(--nano-service-name-size);
    --nano-service-icon-gap: var(--nano-space-sm);
    --nano-service-icon-fg: var(--nano-text-muted);
    --nano-service-icon-y: 0.12em;

    --nano-service-panel-bg: transparent;
    --nano-service-panel-border: transparent;
    --nano-service-panel-radius: 0;

    /* B9. Footer scale */
    --nano-footer-pad-block: clamp(1rem, 3vh, 1.125rem);
    --nano-footer-gap: 0.875rem;
    --nano-footer-font: clamp(0.6875rem, 1.5vw, 0.75rem);
    --nano-footer-tracking: clamp(0.1em, 2vw, 0.12em);

    /* ================================================================= */
    /* C. MOTION AND EFFECT TOKENS */
    /* ================================================================= */

    --nano-ease: ease;
    --nano-ease-time: 200ms;
    --nano-net-opacity: 0.7;

    /* C1. Ambient glow state */
    --nano-glow-1-x: 15%;
    --nano-glow-1-y: 10%;
    --nano-glow-2-x: 80%;
    --nano-glow-2-y: 35%;
    --nano-glow-alpha-1: 0.25;
    --nano-glow-alpha-2: 0.2;
    --nano-vignette-alpha-1: 0.65;
    --nano-vignette-alpha-2: 0.55;

    /* C2. Canvas colours and settings */
    --nano-canvas-link-rgb: 143, 151, 166;
    --nano-canvas-hot-fill: rgba(252, 107, 58, 0.78);
    --nano-canvas-hot-glow: rgba(252, 107, 58, 0.38);
    --nano-canvas-cold-fill: rgba(242, 246, 243, 0.4);
    --nano-canvas-hot-blur: 10;
}

/* 2. Root defaults */
html {
    block-size: 100%;
    scroll-behavior: auto;
}

/* 3. Base page surface */
body.nano-site {
    position: relative;
    isolation: isolate;
    min-block-size: 100%;
    margin: 0;
    font-family: var(--nano-font-body);
    color: var(--nano-surface);
    background-color: var(--nano-bg-0);
    overflow-x: clip;
    -webkit-font-smoothing: antialiased;
}

/* Skip link */
body.nano-site .skip-link {
    position: absolute;
    inset-inline-start: var(--nano-skip-inset);
    inset-block-start: var(--nano-skip-inset);
    padding-block: var(--nano-skip-pad-block);
    padding-inline: var(--nano-skip-pad-inline);
    border-radius: var(--nano-pill);
    background-color: var(--nano-skip-bg);
    color: var(--nano-surface);
    text-decoration: none;
    transform: translateY(-200%);
    transition: transform var(--nano-ease-time) var(--nano-ease);
    z-index: 10;
}

body.nano-site .skip-link:focus-visible {
    transform: translateY(0);
}

/* Media containment */
body.nano-site :where(img, svg, video, canvas) {
    max-inline-size: 100%;
}

/* 4. Background layers */
/* Ambient glow layer */
body.nano-site::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-repeat: no-repeat;
    background-image:
        radial-gradient(
            1000px 600px at var(--nano-glow-1-x) var(--nano-glow-1-y),
            rgba(252, 107, 58, var(--nano-glow-alpha-1)) 0%,
            transparent 70%
        ),
        radial-gradient(
            1200px 800px at var(--nano-glow-2-x) var(--nano-glow-2-y),
            rgba(143, 151, 166, var(--nano-glow-alpha-2)) 0%,
            transparent 70%
        ),
        linear-gradient(180deg, var(--nano-bg-1), var(--nano-bg-0));
}

/* Vignette layer */
body.nano-site::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background-image:
        radial-gradient(
            1200px 700px at 20% 10%,
            var(--nano-vignette-clear),
            rgba(0, 0, 0, var(--nano-vignette-alpha-1)) 70%
        ),
        radial-gradient(
            1000px 650px at 80% 40%,
            var(--nano-vignette-clear),
            rgba(0, 0, 0, var(--nano-vignette-alpha-2)) 72%
        );
}

/* Canvas positioning */
body.nano-site #nano-bg {
    position: fixed;
    inset: 0;
    z-index: 2;
    inline-size: 100%;
    block-size: 100%;
    display: block;
    pointer-events: none;
    opacity: var(--nano-net-opacity);
}

/* 5. Content stacking context */
body.nano-site #brx-header,
body.nano-site #brx-content,
body.nano-site #brx-footer {
    position: relative;
    z-index: 3;
}

body.nano-site .nano-header__inner,
body.nano-site .nano-main__inner,
body.nano-site .nano-footer__inner {
    max-inline-size: var(--nano-content-max);
    margin-inline: auto;
    padding-inline: var(--nano-gutter);
    inline-size: 100%;
}

/* 6. Header and nav */
body.nano-site .nano-header__inner {
    padding-block-start: var(--nano-header-pad-block);
    padding-block-end: var(--nano-space-md);
}

body.nano-site .nano-nav {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--nano-nav-gap);
    row-gap: var(--nano-nav-row-gap);
    inline-size: 100%;
}

body.nano-site .nano-nav__logo-link {
    display: flex;
    align-items: center;
    line-height: 0;
    text-decoration: none;
    padding-block: var(--nano-logo-link-pad-block);
    padding-inline: var(--nano-logo-link-pad-inline);
    border-radius: var(--nano-pill);
}

body.nano-site .nano-nav__logo-svg {
    display: block;
    inline-size: auto;
    block-size: var(--nano-logo-block);
    overflow: visible;
}

body.nano-site .nano-nav__logo-svg .logo-orange {
    fill: var(--nano-primary);
}

body.nano-site .nano-nav__logo-svg .logo-white {
    fill: var(--nano-surface);
}

/* Portal link */
body.nano-site .nano-nav__portal-link {
    white-space: nowrap;
    color: var(--nano-link-fg);
    background-color: var(--nano-link-bg);
    border: var(--nano-border-width) solid var(--nano-link-border);
    padding-block: var(--nano-link-pad-block);
    padding-inline: var(--nano-link-pad-inline);
    border-radius: var(--nano-pill);
    text-decoration: none;
    transition:
        background-color var(--nano-ease-time) var(--nano-ease),
        border-color var(--nano-ease-time) var(--nano-ease);
}

body.nano-site .nano-nav__portal-link:hover,
body.nano-site .nano-nav__portal-link:focus-visible {
    background-color: var(--nano-link-bg-hover);
    border-color: var(--nano-link-border-hover);
}

/* 7. Hero section */
body.nano-site .nano-hero {
    margin-block-start: var(--nano-hero-gap);
    max-inline-size: var(--nano-hero-max);
}

body.nano-site .nano-hero__heading,
body.nano-site .nano-main__heading {
    overflow-wrap: anywhere;
    font-family: var(--nano-font-heading);
    font-weight: 600;
    letter-spacing: -0.02em;
}

body.nano-site .nano-hero__heading {
    margin-block-start: var(--nano-hero-h1-mt);
    margin-block-end: var(--nano-hero-h1-mb);
    font-size: var(--nano-hero-h1);
    line-height: var(--nano-hero-h1-lh);
}

body.nano-site .nano-hero__subtext {
    margin-block: 0;
    margin-inline: 0;
    font-family: var(--nano-font-body);
    color: var(--nano-text-muted);
    max-inline-size: var(--nano-text-max);
    font-size: var(--nano-hero-sub);
    line-height: var(--nano-hero-sub-lh);
}

/* 8. Main content area and cards */
body.nano-site #brx-content {
    padding-block: var(--nano-content-pad-block);
}

body.nano-site .nano-main__content {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 3fr);
    gap: var(--nano-gutter);
    align-items: stretch;
}

body.nano-site .nano-main__nano-glass {
    background-color: var(--nano-glass-main-fallback);
    border: var(--nano-border-width) solid var(--nano-glass-main-border);
    border-radius: var(--nano-radius);
    padding: var(--nano-glass-padding);
}

body.nano-site .nano-main__card--how-we-work,
body.nano-site .nano-main__card--get-in-touch {
    display: flex;
    flex-direction: column;
    min-inline-size: 0;
}

body.nano-site .nano-main__text {
    color: var(--nano-surface);
}

body.nano-site .nano-main__heading--h2,
body.nano-site .nano-main__heading--h3 {
    display: block;
    font-family: var(--nano-font-mono);
    font-size: var(--nano-card-heading-size);
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--nano-primary);
}

body.nano-site .nano-main__heading--h2 {
    margin-block-start: 0;
    margin-block-end: var(--nano-card-gap-block);
    line-height: 1.15;
}

body.nano-site .nano-main__heading--h3 {
    margin-block-start: var(--nano-space-xl);
    margin-block-end: var(--nano-space-md);
    line-height: 1.2;
}

body.nano-site .nano-main__card--get-in-touch .nano-main__heading--h3 {
    margin-block-start: 0;
    margin-block-end: var(--nano-card-gap-block);
}

body.nano-site .nano-main__text p {
    margin-block-start: 0;
    margin-block-end: var(--nano-space-md);
}

body.nano-site .nano-main__text p:last-child {
    margin-block-end: 0;
}

/* What we do catalogue (final) */
body.nano-site .nano-main__service-list {
    list-style: none;
    display: block;
    margin: 0;
    padding: 0;
    background-color: var(--nano-service-panel-bg);
    border: var(--nano-border-width) solid var(--nano-service-panel-border);
    border-radius: var(--nano-service-panel-radius);
}

body.nano-site .nano-main__service-item {
    display: grid;
    grid-template-columns: var(--nano-service-icon-size) minmax(0, 1fr);
    column-gap: var(--nano-service-icon-gap);
    row-gap: var(--nano-service-row-gap);
    align-items: start;

    inline-size: 100%;
    margin: 0;
    padding-block: var(--nano-service-row-pad-block);
    padding-inline: 0;

    background-color: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

body.nano-site .nano-main__service-item + .nano-main__service-item {
    margin-block-start: var(--nano-service-item-gap);
}

body.nano-site .nano-main__service-item > .brxe-icon {
    inline-size: var(--nano-service-icon-size);
    block-size: var(--nano-service-icon-size);
    font-size: var(--nano-service-icon-size);
    line-height: 1;
    color: var(--nano-service-icon-fg);
    margin: 0;
    padding: 0;
    align-self: start;
    transform: translateY(var(--nano-service-icon-y));
}

body.nano-site .nano-main__service-item .nano-main__text,
body.nano-site .nano-main__service-item .nano-main__meta {
    display: block;
    grid-column: 2;
    margin: 0;
}

body.nano-site .nano-main__service-item .nano-main__text {
    color: var(--nano-service-name-fg);
    font-family: var(--nano-font-body);
    font-size: var(--nano-service-name-size);
    font-weight: 500;
    letter-spacing: normal;
    text-transform: none;
    line-height: 1.3;
    max-inline-size: none;
}

body.nano-site .nano-main__service-item .nano-main__meta {
    color: var(--nano-service-meta-fg);
    font-family: var(--nano-font-mono);
    font-size: var(--nano-service-meta-size);
    letter-spacing: var(--nano-service-meta-tracking);
    line-height: 1.5;
}

body.nano-site .nano-main__service-item,
body.nano-site .nano-main__service-item * {
    cursor: default;
}

/* Form styling */
body.nano-site .nano-main__form .ff-el-group {
    margin-block-end: var(--nano-form-group-gap);
}

body.nano-site .nano-main__form .ff-el-form-control {
    inline-size: 100%;
    border-radius: var(--nano-radius-control);
    border: var(--nano-border-width) solid var(--nano-form-control-border);
    background-color: var(--nano-form-control-bg);
    color: var(--nano-surface);
    padding-block: var(--nano-form-control-pad-block);
    padding-inline: var(--nano-form-control-pad-inline);
    font-family: var(--nano-font-body);
    outline: none;
    transition: border-color var(--nano-ease-time) var(--nano-ease);
}

body.nano-site .nano-main__form .ff-el-form-control::placeholder {
    color: var(--nano-form-control-placeholder);
}

body.nano-site .nano-main__form .ff-el-form-control:focus {
    border-color: var(--nano-form-control-focus);
}

body.nano-site .nano-main__form .ff-btn-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    inline-size: 100%;
    min-block-size: var(--nano-form-submit-min-block);
    border-radius: var(--nano-pill);
    border: var(--nano-border-width) solid var(--nano-link-border);
    padding-block: var(--nano-form-submit-pad-block);
    padding-inline: var(--nano-form-submit-pad-inline);
    background-color: var(--nano-link-bg);
    color: var(--nano-link-fg);
    font-family: var(--nano-font-body);
    font-size: var(--nano-form-submit-font);
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    transition:
        background-color var(--nano-ease-time) var(--nano-ease),
        border-color var(--nano-ease-time) var(--nano-ease);
}

body.nano-site .nano-main__form .ff-btn-submit:hover,
body.nano-site .nano-main__form .ff-btn-submit:focus-visible {
    background-color: var(--nano-link-bg-hover);
    border-color: var(--nano-link-border-hover);
}

body.nano-site .nano-main__form .error,
body.nano-site .nano-main__form .ff-errors-in-stack {
    color: var(--nano-form-error-fg);
    font-size: var(--nano-error-font);
    margin-block-start: var(--nano-error-gap);
}

/* Form success message */
body.nano-site .nano-main__form .ff-message-success {
    margin-block-start: var(--nano-space-lg);
    padding-block: var(--nano-space-lg);
    padding-inline: var(--nano-space-xl);
    border-radius: var(--nano-radius-footnote);
    border: var(--nano-border-width) solid var(--nano-border-1);
    background-color: var(--nano-footnote-bg);
    color: var(--nano-surface);
    font-family: var(--nano-font-body);
    line-height: 1.6;
}

body.nano-site .nano-main__form .ff-message-success p {
    margin: 0;
}

body.nano-site .nano-main__form .ff-message-success p + p {
    margin-block-start: var(--nano-space-sm);
}

body.nano-site .nano-main__form .ff-message-success p:last-child {
    color: var(--nano-text-muted);
}

/* Footnote block */
body.nano-site .nano-main__card--get-in-touch > .nano-main__text {
    margin-block-start: auto;
    padding-block: var(--nano-footnote-pad-block);
    padding-inline: var(--nano-footnote-pad-inline);
    border-radius: var(--nano-radius-footnote);
    border: var(--nano-border-width) solid var(--nano-footnote-border-strong);
    background-color: var(--nano-footnote-bg-strong);
    max-inline-size: none;
    text-align: center;
    font-weight: 500;
}

/* 9. Footer */
body.nano-site #brx-footer {
    padding-block: var(--nano-footer-pad-block);
}

body.nano-site .nano-footer {
    position: relative;
    border-block-start: var(--nano-border-width) solid var(--nano-footer-border);
    background-color: var(--nano-footer-bg);
}

body.nano-site .nano-footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--nano-footer-gap);
    flex-wrap: wrap;
}

body.nano-site .nano-footer__content {
    font-family: var(--nano-font-mono);
    font-size: var(--nano-footer-font);
    letter-spacing: var(--nano-footer-tracking);
    text-transform: uppercase;
    color: var(--nano-footer-fg);
    line-height: 1.4;
}

/* 10. CTAs and actions */
body.nano-site .nano-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--nano-btn-gap);
    margin-block-start: var(--nano-hero-actions-gap);
}

body.nano-site .nano-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--nano-btn-gap-inner);
    padding-block: var(--nano-btn-pad-block);
    padding-inline: var(--nano-btn-pad-inline);
    border-radius: var(--nano-btn-radius);
    text-decoration: none;
    color: var(--nano-btn-fg);
    border: var(--nano-border-width) solid transparent;
    background-color: transparent;
    line-height: 1;
    white-space: nowrap;
    transition:
        background-color var(--nano-ease-time) var(--nano-ease),
        border-color var(--nano-ease-time) var(--nano-ease);
}

body.nano-site .nano-btn--primary {
    background-color: var(--nano-btn-primary-bg);
    border-color: var(--nano-btn-primary-border);
}

body.nano-site .nano-btn--primary:hover,
body.nano-site .nano-btn--primary:focus-visible {
    background-color: var(--nano-btn-primary-bg-hover);
    border-color: var(--nano-btn-primary-border-hover);
}

body.nano-site .nano-btn--secondary {
    background-color: var(--nano-btn-secondary-bg);
    border-color: var(--nano-btn-secondary-border);
}

body.nano-site .nano-btn--secondary:hover,
body.nano-site .nano-btn--secondary:focus-visible {
    background-color: var(--nano-btn-secondary-bg-hover);
    border-color: var(--nano-btn-secondary-border-hover);
}

body.nano-site .nano-btn:focus-visible,
body.nano-site .nano-nav__portal-link:focus-visible,
body.nano-site .nano-nav__logo-link:focus-visible,
body.nano-site .skip-link:focus-visible,
body.nano-site .nano-main__form .ff-btn-submit:focus-visible {
    outline: var(--nano-focus-ring-width) solid var(--nano-focus);
    outline-offset: var(--nano-focus-offset);
}

/* ================================================================= */
/* 11. PROGRESSIVE ENHANCANCEMENTS */
/* ================================================================= */

/* Opt-in smooth scroll */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Glass effects */
@supports (backdrop-filter: blur(1px)) {
    body.nano-site .nano-main__nano-glass,
    body.nano-site .nano-nav__portal-link,
    body.nano-site .nano-btn--secondary,
    body.nano-site .nano-footer,
    body.nano-site .nano-main__form .ff-el-form-control,
    body.nano-site .nano-main__card--get-in-touch > .nano-main__text,
    body.nano-site .nano-main__form .ff-message-success {
        backdrop-filter: blur(var(--nano-blur));
        -webkit-backdrop-filter: blur(var(--nano-blur));
    }

    body.nano-site .nano-main__nano-glass {
        background-color: var(--nano-glass-main-enhanced);
    }

    body.nano-site .nano-main__form .ff-el-form-control {
        background-color: var(--nano-form-control-bg-enhanced);
    }

    body.nano-site .nano-footer {
        background-color: var(--nano-footer-bg-glass);
    }

    body.nano-site .nano-main__service-list,
    body.nano-site .nano-main__service-list * {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }
}

/* OKLCH remap, @property registration, and glow animation */
@supports (color: oklch(0% 0 0)) {
    /* Ambient glow registration */
    @property --nano-glow-1-x {
        syntax: "<percentage>";
        inherits: true;
        initial-value: 15%;
    }
    @property --nano-glow-1-y {
        syntax: "<percentage>";
        inherits: true;
        initial-value: 10%;
    }
    @property --nano-glow-2-x {
        syntax: "<percentage>";
        inherits: true;
        initial-value: 80%;
    }
    @property --nano-glow-2-y {
        syntax: "<percentage>";
        inherits: true;
        initial-value: 35%;
    }

    /* Modern colour tokens */
    body.nano-site {
        --nano-primary: oklch(71.6% 0.21 40.5);
        --nano-secondary: oklch(68% 0.02 260);
        --nano-accent: oklch(62% 0.09 38);
        --nano-ink: oklch(0 0 0);

        --nano-bg-0: oklch(29% 0.01 320);
        --nano-bg-1: oklch(34% 0.01 320);
        --nano-surface: oklch(96% 0.01 150);

        --nano-text-muted: color-mix(
            in oklch,
            var(--nano-surface) 78%,
            transparent
        );
        --nano-footer-fg: color-mix(
            in oklch,
            var(--nano-surface) 68%,
            transparent
        );
        --nano-focus: color-mix(in oklch, var(--nano-surface) 75%, transparent);

        --nano-glass-main-enhanced: color-mix(
            in oklch,
            var(--nano-surface) 4%,
            transparent
        );
        --nano-glass-main-border: color-mix(
            in oklch,
            var(--nano-secondary) 26%,
            transparent
        );
        --nano-border-1: color-mix(
            in oklch,
            var(--nano-secondary) 20%,
            transparent
        );
        --nano-border-2: color-mix(
            in oklch,
            var(--nano-primary) 40%,
            transparent
        );
        --nano-footer-border: color-mix(
            in oklch,
            var(--nano-surface) 10%,
            transparent
        );

        --nano-link-bg: color-mix(
            in oklch,
            var(--nano-surface) 10%,
            transparent
        );
        --nano-link-bg-hover: color-mix(
            in oklch,
            var(--nano-surface) 16%,
            transparent
        );
        --nano-link-border: color-mix(
            in oklch,
            var(--nano-surface) 26%,
            transparent
        );
        --nano-link-border-hover: color-mix(
            in oklch,
            var(--nano-surface) 42%,
            transparent
        );

        --nano-btn-primary-bg: color-mix(
            in oklch,
            var(--nano-primary) 92%,
            transparent
        );
        --nano-btn-primary-border: color-mix(
            in oklch,
            var(--nano-primary) 55%,
            transparent
        );
        --nano-btn-primary-border-hover: color-mix(
            in oklch,
            var(--nano-primary) 85%,
            transparent
        );

        --nano-btn-secondary-bg: color-mix(
            in oklch,
            var(--nano-surface) 6%,
            transparent
        );
        --nano-btn-secondary-bg-hover: color-mix(
            in oklch,
            var(--nano-surface) 12%,
            transparent
        );
        --nano-btn-secondary-border: color-mix(
            in oklch,
            var(--nano-surface) 22%,
            transparent
        );
        --nano-btn-secondary-border-hover: color-mix(
            in oklch,
            var(--nano-surface) 38%,
            transparent
        );

        --nano-form-control-bg: color-mix(
            in oklch,
            var(--nano-ink) 18%,
            transparent
        );
        --nano-form-control-bg-enhanced: color-mix(
            in oklch,
            var(--nano-ink) 14%,
            transparent
        );
        --nano-form-control-border: color-mix(
            in oklch,
            var(--nano-surface) 14%,
            transparent
        );
        --nano-form-control-focus: color-mix(
            in oklch,
            var(--nano-surface) 28%,
            transparent
        );
        --nano-form-control-placeholder: color-mix(
            in oklch,
            var(--nano-surface) 55%,
            transparent
        );

        --nano-form-submit-bg: color-mix(
            in oklch,
            var(--nano-surface) 95%,
            transparent
        );
        --nano-form-submit-bg-hover: var(--nano-surface);
        --nano-form-submit-fg: var(--nano-bg-0);

        --nano-form-error-fg: oklch(70% 0.2 25);

        --nano-footnote-bg: color-mix(
            in oklch,
            var(--nano-ink) 16%,
            transparent
        );
        --nano-footnote-border: color-mix(
            in oklch,
            var(--nano-surface) 10%,
            transparent
        );

        --nano-footnote-bg-strong: color-mix(
            in oklch,
            var(--nano-ink) 22%,
            transparent
        );
        --nano-footnote-border-strong: color-mix(
            in oklch,
            var(--nano-surface) 16%,
            transparent
        );

        --nano-canvas-cold-fill: color-mix(
            in oklch,
            var(--nano-surface) 40%,
            transparent
        );
        --nano-canvas-hot-fill: color-mix(
            in oklch,
            var(--nano-primary) 78%,
            transparent
        );
        --nano-canvas-hot-glow: color-mix(
            in oklch,
            var(--nano-primary) 38%,
            transparent
        );

        --nano-glow-alpha-1: 0.28;
        --nano-glow-alpha-2: 0.22;

        --nano-service-meta-fg: color-mix(
            in oklch,
            var(--nano-surface) 55%,
            transparent
        );
        --nano-service-icon-fg: color-mix(
            in oklch,
            var(--nano-surface) 60%,
            transparent
        );
    }

    /* Ambient glow layer */
    body.nano-site::before {
        background-image:
            radial-gradient(
                1000px 600px at var(--nano-glow-1-x) var(--nano-glow-1-y),
                color-mix(in oklch, var(--nano-primary) 28%, transparent) 0%,
                transparent 70%
            ),
            radial-gradient(
                1200px 800px at var(--nano-glow-2-x) var(--nano-glow-2-y),
                color-mix(in oklch, var(--nano-secondary) 22%, transparent) 0%,
                transparent 70%
            ),
            linear-gradient(180deg, var(--nano-bg-1), var(--nano-bg-0));
    }

    body.nano-site::before {
        animation: nano-glow-drift 120s ease-in-out infinite alternate;
    }

    @keyframes nano-glow-drift {
        0% {
            --nano-glow-1-x: 10%;
            --nano-glow-1-y: 20%;
            --nano-glow-2-x: 90%;
            --nano-glow-2-y: 80%;
        }
        25% {
            --nano-glow-1-x: 40%;
            --nano-glow-1-y: 60%;
            --nano-glow-2-x: 70%;
            --nano-glow-2-y: 30%;
        }
        50% {
            --nano-glow-1-x: 15%;
            --nano-glow-1-y: 85%;
            --nano-glow-2-x: 80%;
            --nano-glow-2-y: 10%;
        }
        75% {
            --nano-glow-1-x: 95%;
            --nano-glow-1-y: 50%;
            --nano-glow-2-x: 20%;
            --nano-glow-2-y: 15%;
        }
        100% {
            --nano-glow-1-x: 10%;
            --nano-glow-1-y: 20%;
            --nano-glow-2-x: 90%;
            --nano-glow-2-y: 80%;
        }
    }

    /* Light theme overrides */
    @media (prefers-color-scheme: light) {
        body.nano-site {
            color-scheme: light;

            --nano-primary: oklch(71.6% 0.21 40.5);
            --nano-secondary: oklch(55% 0.02 260);
            --nano-accent: oklch(62% 0.09 38);
            --nano-ink: oklch(0 0 0);

            --nano-bg-0: oklch(97% 0.01 150);
            --nano-bg-1: oklch(94% 0.01 150);
            --nano-surface: oklch(22% 0.01 320);

            --nano-text-muted: color-mix(
                in oklch,
                var(--nano-surface) 72%,
                transparent
            );
            --nano-footer-fg: color-mix(
                in oklch,
                var(--nano-surface) 62%,
                transparent
            );
            --nano-focus: color-mix(
                in oklch,
                var(--nano-surface) 55%,
                transparent
            );

            --nano-glass-main-enhanced: color-mix(
                in oklch,
                var(--nano-ink) 3.5%,
                transparent
            );
            --nano-glass-main-border: color-mix(
                in oklch,
                var(--nano-surface) 14%,
                transparent
            );
            --nano-border-1: color-mix(
                in oklch,
                var(--nano-surface) 12%,
                transparent
            );
            --nano-border-2: color-mix(
                in oklch,
                var(--nano-surface) 22%,
                transparent
            );
            --nano-footer-border: color-mix(
                in oklch,
                var(--nano-surface) 12%,
                transparent
            );

            --nano-link-bg: color-mix(
                in oklch,
                var(--nano-ink) 4%,
                transparent
            );
            --nano-link-bg-hover: color-mix(
                in oklch,
                var(--nano-ink) 6%,
                transparent
            );
            --nano-link-border: color-mix(
                in oklch,
                var(--nano-surface) 14%,
                transparent
            );
            --nano-link-border-hover: color-mix(
                in oklch,
                var(--nano-surface) 24%,
                transparent
            );

            --nano-btn-secondary-bg: color-mix(
                in oklch,
                var(--nano-ink) 4%,
                transparent
            );
            --nano-btn-secondary-bg-hover: color-mix(
                in oklch,
                var(--nano-ink) 6%,
                transparent
            );
            --nano-btn-secondary-border: color-mix(
                in oklch,
                var(--nano-surface) 14%,
                transparent
            );
            --nano-btn-secondary-border-hover: color-mix(
                in oklch,
                var(--nano-surface) 24%,
                transparent
            );

            --nano-form-control-bg: color-mix(
                in oklch,
                var(--nano-ink) 3%,
                transparent
            );
            --nano-form-control-bg-enhanced: color-mix(
                in oklch,
                var(--nano-ink) 2%,
                transparent
            );
            --nano-form-control-border: color-mix(
                in oklch,
                var(--nano-surface) 14%,
                transparent
            );
            --nano-form-control-focus: color-mix(
                in oklch,
                var(--nano-surface) 28%,
                transparent
            );
            --nano-form-control-placeholder: color-mix(
                in oklch,
                var(--nano-surface) 45%,
                transparent
            );

            --nano-footnote-bg: color-mix(
                in oklch,
                var(--nano-ink) 3.5%,
                transparent
            );
            --nano-footnote-border: color-mix(
                in oklch,
                var(--nano-surface) 12%,
                transparent
            );
            --nano-footnote-bg-strong: color-mix(
                in oklch,
                var(--nano-ink) 5%,
                transparent
            );
            --nano-footnote-border-strong: color-mix(
                in oklch,
                var(--nano-surface) 16%,
                transparent
            );

            --nano-canvas-cold-fill: color-mix(
                in oklch,
                var(--nano-surface) 18%,
                transparent
            );
            --nano-canvas-hot-fill: color-mix(
                in oklch,
                var(--nano-primary) 45%,
                transparent
            );
            --nano-canvas-hot-glow: color-mix(
                in oklch,
                var(--nano-primary) 18%,
                transparent
            );
        }

        /* Ambient glow layer */
        body.nano-site::before {
            background-image:
                radial-gradient(
                    1000px 600px at var(--nano-glow-1-x) var(--nano-glow-1-y),
                    color-mix(in oklch, var(--nano-primary) 12%, transparent) 0%,
                    transparent 70%
                ),
                radial-gradient(
                    1200px 800px at var(--nano-glow-2-x) var(--nano-glow-2-y),
                    color-mix(in oklch, var(--nano-secondary) 8%, transparent)
                        0%,
                    transparent 70%
                ),
                linear-gradient(180deg, var(--nano-bg-0), var(--nano-bg-1));
        }
    }
}

/* 12. Responsive logic */
@media (max-width: 56.25em) {
    body.nano-site .nano-footer__inner {
        justify-content: flex-start;
    }
    body.nano-site .nano-hero__actions {
        flex-direction: column;
    }
    body.nano-site .nano-btn {
        inline-size: fit-content;
    }
    body.nano-site .nano-main__content {
        grid-template-columns: 1fr;
    }
}

/* 13. Motion safety */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    body.nano-site::before {
        animation: none;
    }

    body.nano-site .skip-link,
    body.nano-site .nano-nav__portal-link,
    body.nano-site .nano-btn,
    body.nano-site .nano-main__form .ff-el-form-control,
    body.nano-site .nano-main__form .ff-btn-submit {
        transition: none;
    }

    body.nano-site .nano-main__service-item > .brxe-icon {
        transform: none;
    }
}

/* ================================================================= */
/* 14. Light theme overrides (system preference)                      */
/* ================================================================= */

@media (prefers-color-scheme: light) {
    body.nano-site {
        color-scheme: light;

        --nano-primary: #fc6b3a;
        --nano-secondary: #5d6675;
        --nano-accent: #a36454;
        --nano-ink: #000000;

        --nano-bg-0: #f2f6f3;
        --nano-bg-1: #e8eeea;
        --nano-surface: #1b1a1c;

        --nano-text-muted: rgba(27, 26, 28, 0.72);
        --nano-footer-fg: rgba(27, 26, 28, 0.62);
        --nano-focus: rgba(27, 26, 28, 0.55);

        --nano-glass-main-fallback: rgba(0, 0, 0, 0.03);
        --nano-glass-main-enhanced: rgba(0, 0, 0, 0.035);
        --nano-glass-main-border: rgba(27, 26, 28, 0.12);
        --nano-border-1: rgba(27, 26, 28, 0.12);
        --nano-border-2: rgba(27, 26, 28, 0.22);

        --nano-footer-border: rgba(27, 26, 28, 0.12);
        --nano-footer-bg: rgba(255, 255, 255, 0.55);
        --nano-footer-bg-glass: rgba(255, 255, 255, 0.42);

        --nano-link-fg: var(--nano-surface);
        --nano-link-bg: rgba(0, 0, 0, 0.04);
        --nano-link-bg-hover: rgba(0, 0, 0, 0.06);
        --nano-link-border: rgba(27, 26, 28, 0.14);
        --nano-link-border-hover: rgba(27, 26, 28, 0.24);

        --nano-btn-fg: var(--nano-surface);

        --nano-btn-primary-bg: rgba(252, 107, 58, 0.92);
        --nano-btn-primary-bg-hover: var(--nano-primary);
        --nano-btn-primary-border: rgba(252, 107, 58, 0.55);
        --nano-btn-primary-border-hover: rgba(252, 107, 58, 0.85);

        --nano-btn-secondary-bg: rgba(0, 0, 0, 0.04);
        --nano-btn-secondary-bg-hover: rgba(0, 0, 0, 0.06);
        --nano-btn-secondary-border: rgba(27, 26, 28, 0.14);
        --nano-btn-secondary-border-hover: rgba(27, 26, 28, 0.24);

        --nano-form-control-bg: rgba(0, 0, 0, 0.03);
        --nano-form-control-bg-enhanced: rgba(0, 0, 0, 0.02);
        --nano-form-control-border: rgba(27, 26, 28, 0.14);
        --nano-form-control-focus: rgba(27, 26, 28, 0.28);
        --nano-form-control-placeholder: rgba(27, 26, 28, 0.45);

        --nano-form-submit-bg: rgba(0, 0, 0, 0.05);
        --nano-form-submit-bg-hover: rgba(0, 0, 0, 0.07);
        --nano-form-submit-fg: rgba(27, 26, 28, 0.9);

        --nano-form-error-fg: #c43d3d;

        --nano-footnote-bg: rgba(0, 0, 0, 0.035);
        --nano-footnote-border: rgba(27, 26, 28, 0.12);

        --nano-footnote-bg-strong: rgba(0, 0, 0, 0.05);
        --nano-footnote-border-strong: rgba(27, 26, 28, 0.16);

        --nano-skip-bg: rgba(255, 255, 255, 0.85);
        --nano-vignette-clear: rgba(255, 255, 255, 0);

        --nano-net-opacity: 0.5;

        --nano-glow-alpha-1: 0.12;
        --nano-glow-alpha-2: 0.08;
        --nano-vignette-alpha-1: 0.12;
        --nano-vignette-alpha-2: 0.08;

        --nano-canvas-link-rgb: 93, 102, 117;
        --nano-canvas-hot-fill: rgba(252, 107, 58, 0.45);
        --nano-canvas-hot-glow: rgba(252, 107, 58, 0.18);
        --nano-canvas-cold-fill: rgba(27, 26, 28, 0.18);
        --nano-canvas-hot-blur: 10;
    }

    body.nano-site::before {
        background-image:
            radial-gradient(
                1000px 600px at var(--nano-glow-1-x) var(--nano-glow-1-y),
                rgba(252, 107, 58, var(--nano-glow-alpha-1)) 0%,
                transparent 70%
            ),
            radial-gradient(
                1200px 800px at var(--nano-glow-2-x) var(--nano-glow-2-y),
                rgba(93, 102, 117, var(--nano-glow-alpha-2)) 0%,
                transparent 70%
            ),
            linear-gradient(180deg, var(--nano-bg-0), var(--nano-bg-1));
    }

    body.nano-site::after {
        background-image:
            radial-gradient(
                1200px 700px at 20% 10%,
                var(--nano-vignette-clear),
                rgba(0, 0, 0, var(--nano-vignette-alpha-1)) 70%
            ),
            radial-gradient(
                1000px 650px at 80% 40%,
                var(--nano-vignette-clear),
                rgba(0, 0, 0, var(--nano-vignette-alpha-2)) 72%
            );
    }
}