.skip-link { position: absolute; top: -50px; left: 0; background: #004c93; color: white; padding: 10px 15px; z-index: 999999; transition: top 0.3s; font-weight: bold; border-radius: 0 0 5px 0; text-decoration: none; }
    .skip-link:focus { top: 0; outline: 2px solid white; }

    
    #a11y-toggle { position: fixed; bottom: 20px; left: 20px; z-index: 2147483647; width: 55px; height: 55px; border-radius: 50%; background-color: #004c93; color: white; border: 2px solid white; box-shadow: 0 4px 15px rgba(0,0,0,0.4); cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 26px; transition: transform 0.2s; }
    #a11y-toggle:hover { transform: scale(1.1); }

    
    #a11y-menu { display: none; position: fixed; bottom: 90px; left: 20px; z-index: 2147483647; background: white; border: 1px solid #ddd; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.25); width: 320px; padding: 15px; }
    #a11y-menu.show { display: block; animation: fadeInUp 0.3s; }
    @keyframes fadeInUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

    .a11y-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

    .a11y-btn {
        display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
        background: #f8f9fa; border: 1px solid #e9ecef; padding: 15px 5px; border-radius: 8px;
        cursor: pointer; transition: all 0.2s; height: 100%; color: #333; font-size: 13px; font-weight: 600;
    }
    .a11y-btn:hover { background-color: #e2e6ea; transform: translateY(-2px); }
    .a11y-btn i { font-size: 24px; margin-bottom: 8px; color: #004c93; }
    .a11y-btn.active { background-color: #004c93; color: white; border-color: #004c93; }
    .a11y-btn.active i { color: white; }

/* =========================================================
   KONTRAST MODU
   ========================================================= */






/* =========================================================
   ERİŞİLEBİLİRLİK BUTONU
   ========================================================= */

body.high-contrast #a11y-toggle {
    position: fixed !important;
    left: 20px !important;
    bottom: 20px !important;
    top: auto !important;

    z-index: 2147483647 !important;

    filter: none !important;
    transform: none !important;
}


/* =========================================================
   ERİŞİLEBİLİRLİK MENÜSÜ
   ========================================================= */

body.high-contrast #a11y-menu {
    position: fixed !important;
    left: 20px !important;
    bottom: 90px !important;
    top: auto !important;

    width: 320px;
    max-width: calc(100vw - 40px);

    max-height: calc(100vh - 120px);
    overflow-y: auto;

    z-index: 2147483647 !important;

    filter: none !important;
    transform: none !important;

    background: #fff !important;
    color: #000 !important;
    border: 1px solid #333 !important;
}


/* Menü ve içindeki tüm elemanlar kontrast filtresinden etkilenmesin */

body.high-contrast #a11y-menu,
body.high-contrast #a11y-menu * {
    filter: none !important;
}


/* =========================================================
   MENÜ BUTONLARI
   ========================================================= */

body.high-contrast #a11y-menu .a11y-btn {
    background: #f8f9fa !important;
    color: #333 !important;
    border-color: #ddd !important;
}

body.high-contrast #a11y-menu .a11y-btn i {
    color: #004c93 !important;
}

body.high-contrast #a11y-menu .a11y-btn.active {
    background: #004c93 !important;
    color: #fff !important;
}

body.high-contrast #a11y-menu .a11y-btn.active i {
    color: #fff !important;
}


/* =========================================================
   KONTRAST - ANA SAYFA BÖLÜMLERİ
   ========================================================= */

body.high-contrast .section_egitim,
body.high-contrast .section_arastirma,
body.high-contrast .section_inovasyon,
body.high-contrast .section_uluslararasi,
body.high-contrast .section_saglik,
body.high-contrast .section_hakkimizda,
body.high-contrast .section_yerleske {
    background-image: none !important;
    background-color: #000 !important;
}


/* =========================================================
   KONTRAST - GÖRSELLER
   ========================================================= */

body.high-contrast img,
body.high-contrast video,
body.high-contrast iframe {
    filter: invert(1) hue-rotate(180deg) !important;
}

body.high-contrast [style*="background-image"] {
    filter: invert(1) hue-rotate(180deg) !important;
}


/* =========================================================
   BÜYÜK YAZI
   ========================================================= */

body.large-font {
    font-size: 1.2rem !important;
}

body.large-font h1,
body.large-font h2,
body.large-font h3,
body.large-font p,
body.large-font a {
    font-size: 1.2em !important;
}


/* =========================================================
   BAĞLANTI VURGULAMA
   ========================================================= */

body.highlight-links a {
    text-decoration: underline !important;
    font-weight: bold !important;
    background-color: #ffeb3b !important;
    color: #000 !important;
}


/* =========================================================
   SESLİ OKUMA
   ========================================================= */

body.speech-active {
    cursor: help !important;
}

body.speech-active *:hover {
    background-color: rgba(255, 235, 59, 0.3);
}


/* =========================================================
   GÖRSELLERİ GİZLE
   ========================================================= */

body.hide-images img,
body.hide-images video {
    opacity: 0 !important;
    visibility: hidden !important;
}

body.hide-images [style*="background-image"] {
    opacity: 0 !important;
    visibility: hidden !important;
}

body.hide-images .section_egitim,
body.hide-images .section_arastirma,
body.hide-images .section_inovasyon,
body.hide-images .section_uluslararasi,
body.hide-images .section_saglik,
body.hide-images .section_hakkimizda,
body.hide-images .section_yerleske {
    background-image: none !important;
}


/* =========================================================
   BÜYÜK İMLEÇ
   ========================================================= */

body.big-cursor,
body.big-cursor * {
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewport="0 0 48 48" style="fill:black;stroke:white;stroke-width:2px;"><path d="M0 0 L20 40 L26 26 L40 20 Z" /></svg>'), auto !important;
}


/* =========================================================
   OKUMA ÇUBUĞU
   ========================================================= */

#reading-guide {
    position: fixed;
    left: 0;
    width: 100%;
    height: 250px;

    background-color: transparent !important;

    z-index: 2147483646;
    pointer-events: none;
    display: none;

    border-top: 2px solid yellow;
    border-bottom: 2px solid yellow;

    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5);
}