@charset "UTF-8";
/* 無障礙輔助樣式：跳到主要內容、視覺隱藏文字、鍵盤焦點提示、捲動淡入效果 */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
    }
}

/* 捲動淡入（scroll-reveal.js 使用） */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1.is-visible { transition-delay: .1s; }
.reveal-delay-2.is-visible { transition-delay: .2s; }
.reveal-delay-3.is-visible { transition-delay: .3s; }

/* 視覺隱藏但螢幕報讀器可讀 */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 跳到主要內容 */
.skip-link {
    position: absolute;
    top: -60px;
    left: 10px;
    z-index: 100;
    background-color: var(--med-primary-dark);
    color: #fff;
    padding: 12px 20px;
    border-radius: 0 0 8px 8px;
    text-decoration: none;
    font-size: 18px;
    transition: top .2s ease;
}
.skip-link:focus {
    top: 0;
}

/* 全域可見焦點框 */
a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible,
[role="tab"]:focus-visible,
input:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--med-primary);
    outline-offset: 2px;
}

/* 鍵盤/滑鼠皆可操作的自訂互動元素 */
[role="button"],
[role="tab"] {
    cursor: pointer;
}