:root {
    --a11y-focus: #70BD95;
    --a11y-border: #7d86a0;
    --a11y-on: #2c7a56;
}
[data-theme="light"] {
    --a11y-focus: #2a6e4e;
    --a11y-border: #7e8ba1;
}

html[data-a11y-text="L"] body  { zoom: 1.15; }
html[data-a11y-text="XL"] body { zoom: 1.30; }

html[data-a11y-line="1"] body { line-height: 1.8; }
html[data-a11y-line="2"] body { line-height: 2.1; }
html[data-a11y-line="1"] :is(p, li, dd, .sec-desc, .lede, .note, .feature p, .step p, .callout p, td, .comp-card__desc) { line-height: 1.8; }
html[data-a11y-line="2"] :is(p, li, dd, .sec-desc, .lede, .note, .feature p, .step p, .callout p, td, .comp-card__desc) { line-height: 2.1; }

html[data-a11y-letter="1"] body { letter-spacing: 0.06em; word-spacing: 0.08em; }
html[data-a11y-letter="2"] body { letter-spacing: 0.12em; word-spacing: 0.16em; }

html[data-a11y-width="narrow"] :is(.content, .pe-main, .gallery-head, #skills, #projects, #composants) {
    max-width: 72ch;
    margin-left: auto;
    margin-right: auto;
}

html[data-a11y-font="readable"] body,
html[data-a11y-font="readable"] button,
html[data-a11y-font="readable"] input,
html[data-a11y-font="readable"] select,
html[data-a11y-font="readable"] textarea {
    font-family: "Atkinson Hyperlegible", Verdana, "Segoe UI", system-ui, sans-serif !important;
}
html[data-a11y-font="readable"] :is(code, pre, .mono, .comp-card__title, .hero h1 .mono) {
    font-family: "Consolas", "SFMono-Regular", monospace !important;
}

html[data-a11y-contrast="more"] {
    --text-dim: #c2ccd8;
    --text-dim-strong: #d4dce6;
    --border: #5a6f8f;
    --border-light: #6f86a8;
    --ui-border: #93a1bb;
}
html[data-a11y-contrast="more"][data-theme="light"] {
    --text-dim: #303a47;
    --text-dim-strong: #2a333f;
    --border: #6b7c93;
    --border-light: #56677e;
    --ui-border: #5f7088;
}

@media (prefers-contrast: more) {
    html {
        --text-dim: #c2ccd8;
        --text-dim-strong: #d4dce6;
        --border: #5a6f8f;
        --border-light: #6f86a8;
        --ui-border: #93a1bb;
    }
    html[data-theme="light"] {
        --text-dim: #303a47;
        --text-dim-strong: #2a333f;
        --border: #6b7c93;
        --border-light: #56677e;
        --ui-border: #5f7088;
    }
}

html[data-a11y-underline="on"] :is(p, li, dd, .sec-desc, .lede, .note, .callout, .comp-card__desc, td) a {
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

html[data-a11y-underline="on"] :is(nav, .navbar, .toc, .crumb, .pe-header) a {
    text-decoration: none;
}

html[data-a11y-motion="off"] *,
html[data-a11y-motion="off"] *::before,
html[data-a11y-motion="off"] *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
}
html[data-a11y-motion="off"] :is(.project-card, .skill-item, .composants-promo, .intro-image, .logo, .feature, .comp-card, .cal-mock):hover {
    transform: none;
}

html.a11y-open { overflow: hidden; }

.a11y-btn {
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    padding: 0;
    background: none;
    border: 1px solid transparent;
    border-radius: var(--radius, 6px);
    color: var(--text-dim);
    cursor: pointer;
    transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.a11y-btn:hover { color: var(--text-light); background: var(--bg-panel); }
.a11y-btn:focus-visible { outline: 3px solid var(--a11y-focus); outline-offset: 2px; }
.a11y-btn svg { width: 20px; height: 20px; display: block; }

.a11y-overlay {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: none;
    background: rgba(0, 0, 0, 0.5);
}
.a11y-overlay.is-open {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 8vh 16px 24px;
    overflow: auto;
}
.a11y-dialog {
    width: 100%;
    max-width: 440px;
    background: var(--bg-sidebar);
    color: var(--text-light);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px 22px 16px;
    box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.6);
}
.a11y-dialog__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.a11y-dialog__head h2 { margin: 0; font-size: 1.15rem; color: var(--text-light); }
.a11y-dialog__intro { margin: 6px 0 16px; font-size: 0.85rem; line-height: 1.55; color: var(--text-dim); }

.a11y-close {
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    padding: 0;
    background: none;
    border: none;
    border-radius: var(--radius, 6px);
    font-size: 26px;
    line-height: 1;
    color: var(--text-dim);
    cursor: pointer;
    transition: color 0.15s ease, background 0.15s ease;
}
.a11y-close:hover { color: var(--text-light); background: var(--bg-panel); }
.a11y-close:focus-visible { outline: 3px solid var(--a11y-focus); outline-offset: 2px; }

.a11y-group { margin-bottom: 14px; }
.a11y-legend {
    display: block;
    margin-bottom: 7px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-dim);
}
.a11y-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; cursor: pointer; }
.a11y-row > span { font-size: 0.9rem; color: var(--text-light); }

.a11y-seg {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    background: var(--bg-panel);
    border: 1px solid var(--a11y-border);
    border-radius: 8px;
    padding: 3px;
}
.a11y-seg button {
    flex: 1 1 auto;
    font: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-dim);
    background: none;
    border: none;
    border-radius: 6px;
    padding: 7px 10px;
    min-height: 30px;
    cursor: pointer;
    transition: color 0.15s ease, background 0.15s ease;
}
.a11y-seg button:hover { color: var(--text-light); }
.a11y-seg button[aria-checked="true"] { background: var(--a11y-on); color: #fff; }
.a11y-seg button:focus-visible { outline: 3px solid var(--a11y-focus); outline-offset: 2px; }

.a11y-switch { position: relative; flex-shrink: 0; width: 38px; height: 22px; }
.a11y-switch input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.a11y-switch .tk {
    position: absolute; inset: 0; border-radius: 999px;
    background: var(--bg-panel); border: 1px solid var(--a11y-border); transition: all 0.15s ease;
}
.a11y-switch .tk::after {
    content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px;
    border-radius: 50%; background: var(--text-dim); transition: all 0.15s ease;
}
.a11y-switch input:checked + .tk { background: #3a9e6f; border-color: #3a9e6f; }
.a11y-switch input:checked + .tk::after { background: #fff; transform: translateX(16px); }
.a11y-switch input:focus-visible + .tk { outline: 3px solid var(--a11y-focus); outline-offset: 2px; }

.a11y-actions { display: flex; justify-content: flex-end; margin-top: 6px; padding-top: 14px; border-top: 1px solid var(--border); }
.a11y-reset {
    font: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dim);
    background: none;
    border: 1px solid var(--a11y-border);
    border-radius: var(--radius, 6px);
    padding: 8px 14px;
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease;
}
.a11y-reset:hover { color: var(--text-light); border-color: var(--a11y-focus); }
.a11y-reset:focus-visible { outline: 3px solid var(--a11y-focus); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
    .a11y-btn, .a11y-close, .a11y-seg button, .a11y-switch .tk, .a11y-switch .tk::after, .a11y-reset {
        transition-duration: 0.001ms;
    }
}

@media (forced-colors: active) {
    .a11y-seg button[aria-checked="true"] {
        forced-color-adjust: none;
        background: Highlight;
        color: HighlightText;
    }
    .a11y-switch .tk { border-color: ButtonText; }
    .a11y-switch .tk::after { background: ButtonText; }
    .a11y-switch input:checked + .tk { background: Highlight; border-color: Highlight; }
    .a11y-switch input:checked + .tk::after { background: HighlightText; }
    .a11y-btn:focus-visible,
    .a11y-close:focus-visible,
    .a11y-seg button:focus-visible,
    .a11y-switch input:focus-visible + .tk,
    .a11y-reset:focus-visible { outline-color: Highlight; }
}