/* Módulo de acessibilidade — leve, sem dependências externas. */
:root{--a11y-font-scale:1;--a11y-line-height:1.55;--a11y-letter-spacing:normal;--a11y-word-spacing:normal}
html{font-size:calc(100% * var(--a11y-font-scale));scroll-behavior:smooth}
body{line-height:var(--a11y-line-height);letter-spacing:var(--a11y-letter-spacing);word-spacing:var(--a11y-word-spacing)}
*:focus-visible{outline:3px solid #ffbf00!important;outline-offset:3px!important}
.a11y-font-readable,.a11y-font-readable *{font-family:Arial,Verdana,Tahoma,sans-serif!important}
.a11y-underline-links a{text-decoration:underline!important;text-decoration-thickness:2px!important;text-underline-offset:3px!important}
.a11y-grayscale{filter:grayscale(100%)}
.a11y-high-contrast{--blue-950:#000!important;--blue-900:#000!important;--blue-800:#000!important;--blue-700:#000!important;--blue-600:#000!important;--blue-500:#005fcc!important;--blue-200:#fff!important;--blue-100:#fff!important;--blue-50:#fff!important;--ink:#000!important;--muted:#111!important;--surface:#fff!important;--surface-alt:#fff!important;background:#fff!important;color:#000!important}
.a11y-high-contrast *{border-color:#000!important;text-shadow:none!important;box-shadow:none!important}
.a11y-high-contrast a{color:#0047ab!important}
.a11y-high-contrast .site-header,.a11y-high-contrast .site-footer,.a11y-high-contrast .hero,.a11y-high-contrast .button--primary,.a11y-high-contrast .access-button{background:#000!important;color:#fff!important}
.a11y-high-contrast .site-header a,.a11y-high-contrast .site-footer a,.a11y-high-contrast .hero a,.a11y-high-contrast .hero h1,.a11y-high-contrast .hero p{color:#fff!important}
.a11y-big-cursor,.a11y-big-cursor *{cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Cpath fill='white' stroke='black' stroke-width='2' d='M3 2l20 18-9 1 5 8-4 2-5-8-6 7z'/%3E%3C/svg%3E") 2 2,auto!important}
.a11y-text-spacing{--a11y-line-height:1.9;--a11y-letter-spacing:.08em;--a11y-word-spacing:.16em}
.a11y-reduce-motion,.a11y-reduce-motion *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
.a11y-focus-mode main>*:not(:focus-within):not(:hover){opacity:.42;filter:saturate(.55)}
.a11y-sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.a11y-launcher{position:fixed;left:18px;bottom:18px;z-index:10020;width:54px;height:54px;border:0;border-radius:50%;display:grid;place-items:center;background:#0759ad;color:#fff;font-size:1.55rem;font-weight:900;box-shadow:0 12px 30px rgba(0,48,102,.28);cursor:pointer;transition:transform .18s ease,box-shadow .18s ease}
.a11y-launcher:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,48,102,.34)}
.a11y-launcher[aria-expanded="true"]{background:#012f63}
.a11y-panel{position:fixed;left:18px;bottom:84px;z-index:10021;width:min(390px,calc(100vw - 28px));max-height:min(680px,calc(100vh - 110px));overflow:auto;background:#fff;color:#102a43;border:1px solid #c9ddf2;border-radius:22px;box-shadow:0 24px 65px rgba(0,35,75,.28);padding:0;transform:translateY(14px) scale(.97);opacity:0;visibility:hidden;transition:opacity .18s ease,transform .18s ease,visibility .18s ease}
.a11y-panel.is-open{transform:none;opacity:1;visibility:visible}
.a11y-panel__header{position:sticky;top:0;z-index:2;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:20px 20px 16px;background:linear-gradient(135deg,#063b78,#087cc8);color:#fff;border-radius:21px 21px 0 0}
.a11y-panel__header h2{margin:0;font-size:1.15rem;color:#fff}.a11y-panel__header p{margin:.3rem 0 0;font-size:.82rem;color:#e6f4ff}
.a11y-close{width:38px;height:38px;flex:0 0 auto;border:1px solid rgba(255,255,255,.45);border-radius:12px;background:rgba(255,255,255,.12);color:#fff;font-size:1.3rem;cursor:pointer}
.a11y-panel__body{padding:18px 20px 22px}
.a11y-group{margin-bottom:20px}.a11y-group:last-child{margin-bottom:0}.a11y-group h3{margin:0 0 10px;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:#47627d}
.a11y-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.a11y-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.a11y-action{min-height:48px;border:1px solid #c9ddf2;border-radius:13px;background:#f7fbff;color:#123a63;padding:9px 10px;font:inherit;font-size:.86rem;font-weight:750;cursor:pointer;text-align:center;transition:border-color .15s ease,background .15s ease,transform .15s ease}
.a11y-action:hover{border-color:#1976c9;background:#eef7ff;transform:translateY(-1px)}.a11y-action[aria-pressed="true"]{border-color:#0759ad;background:#0759ad;color:#fff}
.a11y-action--wide{grid-column:1/-1}.a11y-action--reset{background:#fff4f4;border-color:#efcaca;color:#8b1d1d}.a11y-action--libras{background:#eaf8ff;border-color:#9fd8f3;color:#034d77}
.a11y-shortcuts{font-size:.78rem;color:#536b82;background:#f5f8fb;border-radius:12px;padding:12px 14px}.a11y-shortcuts kbd{display:inline-block;padding:2px 6px;border:1px solid #b8c7d6;border-bottom-width:2px;border-radius:5px;background:#fff;color:#183b56;font:inherit;font-weight:800}
.a11y-live{position:fixed;left:-9999px;width:1px;height:1px;overflow:hidden}
.a11y-skip-nav{position:fixed;top:8px;left:50%;z-index:11000;transform:translate(-50%,-160%);background:#000;color:#fff;padding:12px 18px;border-radius:10px;font-weight:800;text-decoration:none}.a11y-skip-nav:focus{transform:translate(-50%,0)}
@media(max-width:640px){.a11y-launcher{left:12px;bottom:12px;width:50px;height:50px}.a11y-panel{left:7px;bottom:70px;width:calc(100vw - 14px);max-height:calc(100vh - 84px);border-radius:18px}.a11y-panel__header{border-radius:17px 17px 0 0}.a11y-panel__body{padding:16px}.a11y-grid{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.a11y-panel,.a11y-launcher,.a11y-action{transition:none}}
@media print{.a11y-launcher,.a11y-panel,[vw]{display:none!important}}