:root {
    --bg-color: #f4f8ff;
    /* Açık mavi-beyaz arka plan */
    --text-color: #1a1a1a;
    /* Siyah-koyu gri metin */
    --primary-color: #3399ff;
    /* Canlı mavi vurgu rengi */
    --accent-color: #66ccff;
    /* Açık mavi aksan rengi */
    --hover-color: #007bff;
    /* Koyu mavi etkileşim rengi */
    --header-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --body-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    --pop-text-color: rgba(0, 0, 0, 0.7);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #f4f8ff;
    margin: 0;
    padding: 0px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

main {
    width: 100%;
    max-width: 800px;
}



.site-header {
    font-family: var(--body-font);
    background-color: var(--bg-color);
    color: var(--text-color);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 999;
    width: 100%;
}

.header-container {
    width: auto;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: 16px;
    padding-right: 16px;
}

.site_ehhha {
    margin: 0;
    display: flex;
    align-items: center;
}

.heade_logo {
    max-height: 36px;
    margin-right: 8px;
}

footer {
    text-align: center;
    margin-top: 4rem;
    border-top: 1px solid var(--primary-color);
    font-size: 0.9rem;
    color: var(--text-color);
    width: 100%;
    max-width: 800px;
    padding-bottom: 1rem;

}

.menu-button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.menu-icon {
    width: 20px;
    height: 18px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.menu_icon_span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-color);
    border-radius: 3px;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.menu-icon:hover .menu_icon_span {
    background-color: var(--hover-color);
}

/* --- sss  --- */

.sss_container {
    width: auto;
    max-width: 800px;
    margin: auto;
    padding: 20px;

}

.sss_container h1,
.sss_container h2,
.sss_container h3 {
    color: #003366;
    border-bottom: 2px solid #e9ecef;
    padding-bottom: 10px;
}

.sss_container h1 {
    font-size: 2em;
    text-align: center;
    border-bottom: 1px solid var(--primary-color);
    padding-bottom: 30px;
}

.sss_container h2 {
    font-size: 1.5em;
    margin-top: 40px;
}

.sss_container h3 {
    font-size: 1.2em;
    margin-top: 30px;
    border: none;
}

.sss_question_item {
    margin-bottom: 25px;
    padding: 20px;
    background-color: #ffffff;
    border-left: 4px solid #0056b3;
    border-radius: 4px;
}

.sss_question_item p {
    margin: 0 0 15px 0;
}

.sss_view_answer_btn {
    background-color: #0056b3;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s;
}

.sss_view_answer_btn:hover {
    background-color: #003d82;
}

/* Popup Stilleri */
.sss_popup_overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(70, 70, 70, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 10px;
    box-sizing: border-box;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out, visibility 0s linear 0.3s;
}

.sss_popup_overlay.active {
    opacity: 1;
    visibility: visible;
    transition-delay: 0s;
}

.sss_popup_content {
    color: #333;
    background-color: #f4f8ff;
    line-height: 1.5;
    padding: 16px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(255, 255, 255, 0.1);
    width: 100%;
    max-width: 550px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    position: relative;
    border: 1px solid #33333334;
    opacity: 0;
    transform: scale(0.9) translateY(-20px);
    transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1), opacity 0.3s ease-out;
    transition-delay: 0.05s;
}

.sss_popup_overlay.active .sss_popup_content {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.sss_popup_header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(168, 168, 168, 0.08);
}

.sss_popup_header_h2 {
    margin: 0;
    font-size: 12px;
    font-weight: 400;
    color: rgb(66, 89, 105);
}

.sss_popup_close_btn {
    background: none;
    border: none;
    font-size: 30px;
    font-weight: normal;
    cursor: pointer;
    padding: 0 5px;
    line-height: 1;
    color: rgba(0, 0, 0, 0.7);
}

.sss_popup_close_btn:hover {
    color: #007bff;
}

.sss_popup_buttons_container {
    overflow-y: auto;
    max-height: calc(85vh - 150px);
    padding-right: 5px;
    line-height: 1.7;
}

.sss_popup_buttons_container::-webkit-scrollbar {
    width: 6px;
}

.sss_popup_buttons_container::-webkit-scrollbar-track {
    background: #eee;
    border-radius: 3px;
}

.sss_popup_buttons_container::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

.sss_popup_buttons_container::-webkit-scrollbar-thumb:hover {
    background: #666;
}

#sss_popup_answer_content {
    margin-top: 20px;
}

/* Popup Stilleri */

.sss_exp_p {
    font-style: italic;
    color: #2E8B57;
    font-size: medium;
    margin-top: 32px;
}

body.popup-open {
    overflow: hidden;
}

.site_title_a {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    text-decoration: none;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.site_title_a:hover {
    color: var(--hover-color);
}



@media (max-width: 600px) {
    th {
        padding: 6px;
        font-weight: 400;
        font-size: small;
    }

    td {
        padding: 6px;
        font-weight: 400;
        font-size: small;
    }

    td strong {
        font-weight: 600;
        font-size: small;
    }

    .popup_header_h2 {
        font-size: 12px;
    }

    .site_title_a {
        font-size: 15px;
        font-weight: 600;
    }
}

@media (max-width: 400px) {
    th {
        padding: 1px;
        font-weight: 300;
        font-size: x-small;
    }

    td {
        padding: 1px;
        font-weight: 300;
        font-size: x-small;
    }

    td strong {
        font-weight: 400;
        font-size: x-small;
    }

    .site_title_a {
        font-size: 14px;
        font-weight: 600;
    }
}

@media (max-width: 600px) {
    .sss_container h1 {
        font-size: 1.6em;
    }

    .sss_container h2 {
        font-size: 1.2em;
    }

    .sss_container h3 {
        font-size: 1.0em;
    }

    .sss_container p {
        font-size: 15px;
    }

    .sss_exp_p {
        font-size: 15px;
    }
}




/* ==========================================================================
   7. Popup (Açılır Pencere) Stilleri
   ========================================================================== */

.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(70, 70, 70, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 20px;
    box-sizing: border-box;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out, visibility 0s linear 0.3s;
}

.popup-overlay.active {
    opacity: 1;
    visibility: visible;
    transition-delay: 0s;
}

.popup-content {
    font-family: var(--body-font);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(255, 255, 255, 0.1);
    width: 100%;
    max-width: 550px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    position: relative;
    border: 1px solid #333;
    opacity: 0;
    transform: scale(0.9) translateY(-20px);
    transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1), opacity 0.3s ease-out;
    transition-delay: 0.05s;
}

.popup-overlay.active .popup-content {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 25px;
    padding-top: 10px;
    border-bottom: 2px solid rgba(168, 168, 168, 0.08);
    margin-bottom: 10px;
}

.popup_header_h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: rgba(0, 0, 0, 0.7);
}

.popup-close-btn {
    background: none;
    border: none;
    font-size: 30px;
    font-weight: normal;
    cursor: pointer;
    padding: 0 5px;
    line-height: 1;
    color: rgba(0, 0, 0, 0.7);
}

.popup-close-btn:hover {
    color: var(--hover-color);
}

.popup-buttons-container {
    overflow-y: auto;
    max-height: calc(85vh - 150px);
    padding-right: 5px;
    font-family: var(--body-font);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    border-radius: 12px;
}

.popup-buttons-container::-webkit-scrollbar {
    width: 6px;
}

.popup-buttons-container::-webkit-scrollbar-track {
    background: #eee;
    border-radius: 3px;
}

.popup-buttons-container::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

.popup-buttons-container::-webkit-scrollbar-thumb:hover {
    background: #666;
}

/* --- Popup Butonları --- */
.popup-div-button {
    width: auto;
    display: flex;
    margin-bottom: 10px;
}

.popup-button {
    margin: auto;
    display: block;
    width: 100%;
    padding: 12px 18px;
    background-color: transparent;
    border-radius: 5px;
    font-size: 0.95em;
    text-align: left;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out, border-color 0.2s ease-in-out, transform 0.15s ease;
    box-sizing: border-box;
    color: var(--pop-text-color);
}


.popup-button:hover {
    color: var(--hover-color);

}

.popup-button-active {
    color: var(--hover-color);
    background-color: rgba(0, 0, 0, 0.05);
}

.popup-button:active {
    color: var(--hover-color);
}

.popup-button:last-child {
    margin-bottom: 0;
}

.hidden {
    display: none;
}

.lang-switcher {
    display: flex;
    justify-content: center;
}

.lang-btn {
    padding: 6px 8px;
    font-size: small;
    font-weight: 400;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 6px;
    cursor: pointer;
    background-color: transparent;
    color: var(--pop-text-color);
    transition: all 0.2s ease-in-out;
}

.lang-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.lang-content {
    display: none;
}

.lang-content.active {
    display: block;
}

.prvcy_plcy {
    text-decoration: none;
    cursor: pointer;
    color: var(--text-color);
}

.prvcy_plcy:hover {
    color: var(--primary-color);
}

@media (max-width: 768px) {

    .popup-content {
        padding: 20px;
        max-width: 95%;
        transform: scale(0.95) translateY(-15px);
    }

    .popup-overlay.active .popup-content {
        transform: scale(1) translateY(0);
    }

    .popup_header_h2 {
        font-size: 14px;
    }

    .popup-button {
        font-size: 0.9em;
    }

    .popup-buttons-container {
        max-height: calc(85vh - 120px);
    }

}