/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Navbar */
.navbar {
    width: 100%;
    background: #005f73;
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    z-index: 1000;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    position: relative;
    transition: color 0.3s ease, transform 0.3s ease;
}

/* 響應式導航 */
.nav-links-container {
    display: flex;
    justify-content: flex-end;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        gap: 0.5rem;
        background-color: #005f73;
        position: absolute;
        top: 100%;
        right: 0;
        padding: 1rem;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }
}


.nav-links a:hover {
    color: #94d2bd; /* 滑鼠移過時文字變色 */
    transform: scale(1.1); /* 放大效果 */
}

.nav-links a::after {
    content: "";
    position: absolute;
    width: 0;
    height: 2px;
    background: #94d2bd;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%; /* 滑鼠移過時出現底線 */
}

.nav-logo {
    font-size: 1.5rem;
}

.nav-logo a {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
    transition: color 0.3s ease;
}

.nav-logo a:hover {
    color: #94d2bd; /* 滑鼠移過變色 */
}


/* Hero Section */
.hero {
    width: 100%;
    max-width: 2000px; /* 設置最大寬度，與網站格式保持一致 */
    margin: 0 auto; /* 居中橫幅 */
    height: 400px; /* 設置橫幅高度 */   
    position: relative; /* 為添加遮罩做準備 */
    padding: 5rem 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center; /* 垂直置中內容 */
    align-items: center; /* 水平置中內容 */
    background: linear-gradient(to right, #005f73, #0a9396);
    color: white;
    text-align: center;
    margin-top: 60px;
    background-image: url('photo/S__6553614.jpg'); /* 替換為你的圖片路徑 */
    background-size: cover; /* 確保圖片覆蓋整個區域 */
    background-position: center; /* 圖片居中顯示 */
    background-repeat: no-repeat; /* 防止圖片重複 */
    overflow: hidden; /* 隱藏超出部分 */
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5); /* 添加半透明黑色遮罩 */
    z-index: 1; /* 確保遮罩層在圖片上方 */
}

.hero h1,
.hero p,
.hero button {
    position: relative; /* 保持文字內容在遮罩層上方 */
    z-index: 2;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7); /* 增加文字陰影 */
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7); /* 增加文字陰影 */
}

.hero button {
    padding: 0.8rem 1.5rem;
    background: #94d2bd;
    color: #005f73;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.hero button:hover {
    background: #3d405b;
    color: white;
}

/* Section Styles */
.about-section, .contact-section {
    padding: 3rem 1rem;
    text-align: center;
    background: #f0f9f4;
}

.about-section h2, .contact-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Cards Container */
.content {
    padding: 3rem 1rem;
    text-align: center;
    background: #e9ecef;
}

.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.card img {
    width: 100%;
    height: auto;
}

.card-content {
    padding: 1.5rem;
}

.card h3 {
    color: #005f73;
    margin-bottom: 0.5rem;
}

.card p {
    color: #333;
}

.card:target {
    border: 2px solid #0a9396;
    animation: highlight 1s ease;
    box-shadow: 0 0 15px rgba(10, 147, 150, 0.8);
}

@keyframes highlight {
    from {
        background-color: rgba(148, 210, 189, 0.3);
    }
    to {
        background-color: white;
    }
}


/* Footer */
footer {
    background: #005f73;
    color: white;
    padding: 2rem 1rem;
    text-align: center;
    width: 100%;
    display: flex; /* 使用 Flexbox 進行對齊 */
    flex-direction: column; /* 垂直排列內容 */
    align-items: center; /* 水平置中所有內容 */
    justify-content: center; /* 垂直置中內容 */
    gap: 1rem; /* 增加段落之間的間距 */
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    text-align: center; /* 確保段落文字也居中 */
    justify-content: space-around; /* 等距排列每個區塊 */
}

.footer-content div {
    text-align: center;
    flex: 1; /* 每個區塊等比例分配寬度 */
}

.footer-logo h3 {
    font-size: 1.8rem;
}

.footer-contact, .footer-social {
    font-size: 1rem;
}

.footer-contact a, .footer-social a {
    color: #94d2bd;
    text-decoration: none;
}

.footer-contact a:hover, .footer-social a:hover {
    color: #e9ecef;
}

.footer-bottom {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #cccccc;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
    }
}

/* Cookie 使用同意通知 */
.cookie-consent {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #333;
    color: #fff;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 1000;
    opacity: 1;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* 關閉按鈕樣式 */
.cookie-consent .close {
    position: absolute;
    top: 5px;
    right: 6px;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
    background: none;
    border: none;
    font-weight: bold;
    line-height: 1;
    z-index: 1001;
    transition: color 0.3s ease;
}

.cookie-consent .close:hover {
    color: #ff4d4f; /* 滑鼠懸停時改變顏色 */
}


.cookie-consent p {
    margin: 0;
    font-size: 0.9rem;
}

.cookie-consent a {
    color: #94d2bd;
    text-decoration: underline;
}

.cookie-consent button {
    background: #4CAF50;
    color: #fff;
    border: none;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.cookie-consent button:hover {
    background: #45a049;
}

/* 隱藏 Cookies 視窗 */
.cookie-consent.hidden {
    opacity: 0;
    visibility: hidden;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
    opacity: 0; /* 動畫用初始狀態 */
    transition: opacity 0.3s ease;
    overflow: hidden; /* 隱藏滾動條，僅內容部分滾動 */
    overflow-y: auto; /* 啟用上下滾動 */
    padding: 20px 0; /* 給上下空間 */
}

.modal.show {
    display: flex; /* 顯示模態框 */
    opacity: 1; /* 完全可見 */
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    width: 80%;
    max-width: 600px;
    text-align: center;
    position: relative;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    animation: slideIn 0.3s ease; /* 顯示動畫 */
    overflow-y: auto; /* 垂直方向滾動 */
    max-height: 90vh; /* 限制最大高度，防止內容溢出 */
}

.modal-content.hide {
    animation: slideOut 0.3s ease; /* 隱藏動畫 */
}

.modal .close {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 1.5rem;
    color: #333;
    cursor: pointer;
}

/* 插入的大圖片 */
.modal-image {
    width: 100%; /* 確保圖片寬度充滿模態框 */
    height: auto; /* 保持圖片比例 */
    margin-bottom: 1rem; /* 與文字內容留出間距 */
    border-radius: 8px; /* 添加圓角效果 */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* 添加圖片陰影 */
    transform: scale(1); /* 初始縮放比例 */
    transition: transform 0.3s ease; /* 平滑放大縮小效果 */
    position: relative; /* 為拖動定位準備 */
    cursor: grab; /* 鼠標顯示為抓手 */
    transform-origin: center center; /* 縮放基準為圖片中心 */
}

.modal-image:active {
    cursor: grabbing; /* 鼠標拖動時顯示為抓取狀態 */
}

/* 放大縮小按鈕樣式 */
.image-container {
    position: relative;
    display: inline-block;
    width: 100%; /* 根據模態框寬度調整 */
}

.zoom-button {
    position: absolute;
    top: 10px;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    display: none; /* 預設隱藏 */
    transition: background 0.3s ease, transform 0.3s ease;
}

/* 滑鼠懸停圖片時顯示按鈕 */
.image-container:hover .zoom-button {
    display: block;
}

.zoom-button:hover {
    background: rgba(255, 255, 255, 0.8);
    color: black;
    transform: scale(1.1);
}

.zoom-button:nth-child(1) {
    left: 10px; /* 放大按鈕位置 */
}

.zoom-button:nth-child(2) {
    left: 50px; /* 縮小按鈕位置 */
}



#back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 80px; /* 增加寬度以容納四個字 */
    height: 80px; /* 確保高度一致 */
    background: #005f73;
    color: white;
    border: none;
    border-radius: 50%; /* 圓形 */
    font-size: 0.9rem; /* 縮小字體以適應框 */
    text-align: center;
    display: flex; /* 使用 Flexbox */
    justify-content: center; /* 水平置中 */
    align-items: center; /* 垂直置中 */
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    display: none; /* 預設隱藏 */
    transition: opacity 0.3s ease, transform 0.3s ease;
    line-height: normal; /* 重設 line-height，避免干擾 */
}

#back-to-top:hover {
    background: #0a9396;
    transform: scale(1.1); /* 放大效果 */
}

/* Section 樣式 */
.section {
    padding: 2rem 1rem;
    margin: 2rem auto;
    max-width: 800px;
    text-align: left;
    line-height: 1.6;
}

.section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #005f73;
}

.section p, .section ul {
    font-size: 1rem;
    color: #333;
}

.section ul {
    list-style-type: disc;
    padding-left: 2rem;
}


/* Grid 用於 SDGs 目標卡片 */
.sdgs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.sdg-card img {
    width: 80px; /* 設定圖片的寬度 */
    height: 80px; /* 設定圖片的高度 */
    object-fit: contain; /* 確保圖片保持比例 */
    margin-bottom: 0.5rem; /* 圖片與文字之間的間距 */
    border-radius: 10%; /* 圖片設為圓形，根據需求可移除 */
}

.sdg-card {
    display:flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #005f73;
    color: white;
    padding: 1rem;
    text-align: center;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sdg-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 10px rgb(255, 255, 255);
}

.sdg-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    color:#f0f9f4
}

.sdg-card p {
    font-size: 1rem;
    color: #f0f9f4;
}

/* 顯示動畫 */
@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 隱藏動畫（可選） */
@keyframes slideOut {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(-20px);
        opacity: 0;
    }
}

.learn-more-button {
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background-color: #005f73;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.learn-more-button:hover {
    background-color: #0a9396;
}

.topic-selection {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.topic-button {
    padding: 0.8rem 1.5rem;
    background-color: #005f73;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
}

.topic-button:hover {
    background-color: #0a9396;
    transform: scale(1.05);
}