/* sdg-gallery.css (V4 - 完美融合嘉基綠與 Noto Sans TC 的頂級識別) */

:root {
    /* 核心品牌色與字型同步 Tailwind 設定 */
    --sdg-primary: #006847; /* 嘉基標準綠色 (Emerald Green) */
    --sdg-primary-light: #F0FDF4; /* 淺綠背景 */
    --sdg-accent: #E11F24; /* 嘉基標準紅色 */
    --sdg-text: #1f2937; /* Tailwind gray-800 */
    --sdg-text-muted: #6b7280; /* Tailwind gray-500 */
    
    --sdg-gap: 2rem;
    --sdg-radius: 8px; /* 醫療院所風格：微倒角，不追求圓滑而是穩重專業 */
    
    /* 史詩級緩動曲線 (超順滑慢進出) */
    --sdg-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    
    /* 頂級字體設定 (強制繼承全站字型，確保 100% 融合) */
    --sdg-font-sans: 'Noto Sans TC', 'Microsoft JhengHei', sans-serif;
}

.sdg-gallery {
    width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    font-family: var(--sdg-font-sans);
}

.sdg-gallery:empty {
    display: none !important;
}

/* -----------------------------------------
   [全局進場動畫：空氣感浮現]
----------------------------------------- */
.sdg-mag-item, .sdg-min-item, .sdg-carousel-wrapper, .sdg-med {
    opacity: 0; 
    transform: translateY(40px); 
    transition: transform 1s var(--sdg-ease-out), opacity 0.8s ease;
    will-change: transform, opacity;
}

.sdg-mag-item.is-visible, .sdg-min-item.is-visible, 
.sdg-carousel-wrapper.sdg-is-visible, .sdg-med.is-visible { 
    opacity: 1; 
    transform: translateY(0); 
}

/* =========================================
   [V4 Medical Hero Theme (醫療權威)]
========================================= */
.sdg-carousel-wrapper {
    margin-bottom: 3rem;
    border-radius: var(--sdg-radius);
    overflow: hidden;
    position: relative;
    box-shadow: 0 20px 40px -15px rgba(0, 104, 71, 0.15); /* 祖母綠環境光影 */
}

.med-carousel {
    position: relative;
    width: 100%;
    background-color: var(--sdg-primary-light);
}

.sdg-carousel-track {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -ms-overflow-style: none; 
    scrollbar-width: none; 
}
.sdg-carousel-track::-webkit-scrollbar { display: none; }

.sdg-carousel-slide {
    flex: 0 0 100%;
    scroll-snap-align: start;
    position: relative;
    min-height: 50vh;
    height: 70vh;
    max-height: 700px;
    cursor: pointer;
    overflow: hidden;
}

.med-hero-img-wrap { width: 100%; height: 100%; }
.med-hero-img-wrap img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 8s var(--sdg-ease-out);
    transform-origin: center;
}
.sdg-carousel-slide:hover .med-hero-img-wrap img { transform: scale(1.03); }

/* 原廠品牌感漸層：由下而上透出祖母綠 */
.med-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 104, 71, 0.8) 0%, rgba(0, 104, 71, 0.3) 40%, transparent 100%);
    pointer-events: none;
    z-index: 1;
}

.med-hero-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 10vw 6vw 4vw 6vw; /* RWD 完美留白 */
    color: white;
    z-index: 2;
    pointer-events: none;
    transform: translateY(15px);
    opacity: 0.9;
    transition: transform 0.8s var(--sdg-ease-out), opacity 0.8s ease;
}

.sdg-carousel-slide:hover .med-hero-content {
    transform: translateY(0);
    opacity: 1;
}

.med-hero-subtitle {
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    color: #a7f3d0; /* Tailwind emerald-200 */
    text-transform: uppercase;
    margin-bottom: 0.8rem;
    font-weight: 500;
}

.med-hero-title {
    font-size: clamp(1.8rem, 4vw, 3.5rem);
    font-weight: 700; /* Noto Sans 粗體更具分量 */
    line-height: 1.3;
    letter-spacing: 0.02em;
    margin: 0;
    text-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* 輪播導覽：祖母綠科技線條 */
.sdg-carousel-dots {
    position: absolute;
    bottom: 25px;
    right: 3rem;
    display: flex;
    gap: 8px;
    z-index: 10;
}
.sdg-carousel-dot {
    width: 16px; height: 3px;
    background: rgba(255, 255, 255, 0.4);
    border: none; cursor: pointer; padding: 0;
    transition: width 0.4s var(--sdg-ease-out), background 0.4s ease;
}
.sdg-carousel-dot.active { width: 32px; background: white; }
@media (max-width: 768px) {
    .sdg-carousel-dots { right: auto; left: 6vw; bottom: 20px; }
}

/* 醫療瀑布流 (Medical Masonry) */
.med-masonry {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    grid-auto-rows: minmax(280px, auto);
    gap: var(--sdg-gap);
}
@media (min-width: 768px) { .med-masonry { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) {
    .med-masonry { grid-template-columns: repeat(4, 1fr); grid-auto-rows: 320px; }
    .med-span-2-col { grid-column: span 2; }
    .med-span-2-row { grid-row: span 2; }
    .med-span-2-row .sdg-image-wrap, .med-span-2-col.med-span-2-row .sdg-image-wrap {
        height: 100%; padding-top: 0;
    }
}

.sdg-med {
    position: relative;
    border-radius: var(--sdg-radius);
    overflow: hidden;
    background-color: var(--sdg-primary-light);
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}
.sdg-med .sdg-image-wrap { height: 100%; width: 100%; }
.sdg-med .sdg-image {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 1.2s var(--sdg-ease-out);
}
.sdg-med:hover .sdg-image { transform: scale(1.02); }

/* 懸浮白底玻璃卡片標題 */
.sdg-med-overlay {
    position: absolute;
    bottom: 20px; left: 20px; width: calc(100% - 40px);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--sdg-text);
    padding: 1.25rem;
    border-radius: calc(var(--sdg-radius) - 2px);
    pointer-events: none;
    display: flex; flex-direction: column; gap: 0.25rem;
    opacity: 0; transform: translateY(10px);
    transition: all 0.5s var(--sdg-ease-out);
    z-index: 2;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    /* 移除了老套的左側綠色 border，改為純淨無邊界的 Apple 質感 */
}
.sdg-med:hover .sdg-med-overlay { opacity: 1; transform: translateY(0); }
.sdg-med-title { font-size: 1.05rem; font-weight: 600; line-height: 1.4; color: var(--sdg-primary); }
.sdg-med-subtitle { font-size: 0.85rem; color: var(--sdg-text-muted); }

/* =========================================
   [V5 Magazine Theme (Bento Grid 旗艦佈局)]
========================================= */
.sdg-mag-editorial { padding: 2rem 0; width: 100%; }

/* 頂級 Bento 網格，採用 Dense 自動填補演算法 */
.sdg-mag-grid { 
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 280px;
    grid-auto-flow: dense;
    gap: 16px;
}

.sdg-mag-item { 
    position: relative;
    border-radius: var(--sdg-radius);
    overflow: hidden;
    cursor: pointer;
    background-color: var(--sdg-primary-light);
    /* 陰影強化層次感 */
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

/* Bento 大小交錯邏輯 (7個一循環，構成完美馬賽克) */
.sdg-mag-item:nth-child(7n + 1) { grid-column: span 2; grid-row: span 2; } /* 特大主角 */
.sdg-mag-item:nth-child(7n + 4) { grid-column: span 2; grid-row: span 1; } /* 寬幅橫幅 */
.sdg-mag-item:nth-child(7n + 5) { grid-column: span 1; grid-row: span 2; } /* 垂直長幅 */
/* 其餘項目自動維持 1x1 標準方塊 */

@media (max-width: 1024px) {
    .sdg-mag-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 240px; }
    .sdg-mag-item:nth-child(n) { grid-column: span 1; grid-row: span 1; }
    .sdg-mag-item:nth-child(3n + 1) { grid-column: span 2; grid-row: span 2; }
}
@media (max-width: 640px) {
    .sdg-mag-grid { grid-template-columns: 1fr; grid-auto-rows: 300px; gap: 12px; }
    .sdg-mag-item:nth-child(n) { grid-column: span 1; grid-row: span 1; }
}

.sdg-mag-img-wrap { 
    position: absolute; inset: 0;
    width: 100%; height: 100%;
}
.sdg-mag-img-wrap img { 
    width: 100%; height: 100%; object-fit: cover; 
    transition: transform 1.5s var(--sdg-ease-out); 
}
.sdg-mag-item:hover .sdg-mag-img-wrap img { transform: scale(1.05); }

/* Divi-Pixel 風格 Hover 漸層與置中文字 */
.sdg-mag-caption { 
    position: absolute; inset: 0;
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    text-align: center;
    padding: 2rem;
    /* 預設隱藏，帶有輕微漸層打底 */
    background: linear-gradient(to top, rgba(255,255,255,0) 20%, rgba(255,255,255,0) 100%);
    opacity: 0;
    transition: all 0.6s var(--sdg-ease-out);
    z-index: 2;
}

/* 懸浮時注入極具質感的嘉基綠專屬漸層 (#006847 -> 偏亮青綠融合) */
.sdg-mag-item:hover .sdg-mag-caption { 
    background: linear-gradient(to top, rgba(0, 104, 71, 0.95) 0%, rgba(0, 130, 90, 0.75) 100%);
    opacity: 1; 
}

.sdg-mag-title {
    font-size: clamp(1.2rem, 2vw, 2rem);
    font-weight: 700;
    color: #ffffff;
    line-height: 1.3;
    margin: 0 0 0.5rem 0;
    transform: translateY(20px);
    transition: transform 0.6s var(--sdg-ease-out) 0.1s;
}
.sdg-mag-item:hover .sdg-mag-title { transform: translateY(0); }

.sdg-mag-subtitle {
    font-size: 0.95rem;
    font-weight: 400;
    color: #a7f3d0; /* Tailwind emerald-200 對比嘉基綠極佳 */
    line-height: 1.5;
    margin: 0;
    transform: translateY(20px);
    transition: transform 0.6s var(--sdg-ease-out) 0.15s;
}
.sdg-mag-item:hover .sdg-mag-subtitle { transform: translateY(0); }

/* =========================================
   [V4 Minimalist Theme (純粹留白 - 乾淨網格)]
========================================= */
.sdg-min-grid { 
    display: grid; 
    grid-template-columns: 1fr; 
    gap: 3rem; 
    padding: 2rem 0; 
}
@media (min-width: 600px) { .sdg-min-grid { grid-template-columns: repeat(2, 1fr); gap: 4rem; } }
@media (min-width: 1024px) { .sdg-min-grid { grid-template-columns: repeat(3, 1fr); gap: 4rem; } }

.sdg-min-item { 
    display: flex; flex-direction: column; gap: 1rem; cursor: pointer;
    text-align: center; /* 讓文字置中，充滿藝廊氣息 */
}
.sdg-min-img-wrap { 
    width: 100%; 
    border-radius: var(--sdg-radius);
    overflow: hidden;
    background-color: #fafafa;
    aspect-ratio: 1/1; /* 統一方形裁切，創造極致整齊的秩序感 */
}
.sdg-min-img-wrap img { 
    width: 100%; height: 100%; object-fit: cover; 
    transition: transform 1.2s var(--sdg-ease-out), filter 0.8s;
    filter: grayscale(10%); /* 微微褪色，高級感 */
}
.sdg-min-item:hover .sdg-min-img-wrap img { transform: scale(1.03); filter: grayscale(0%); }

.sdg-min-caption { 
    display: flex; flex-direction: column; gap: 0.25rem;
}
.sdg-min-title { font-size: 1.1rem; font-weight: 600; color: var(--sdg-text); }
.sdg-min-subtitle { font-size: 0.9rem; font-weight: 400; color: var(--sdg-text-muted); }


/* =========================================
   [Lightbox Dialog (頂級藝術展廳式擴展)] 
========================================= */
.sdg-lightbox-dialog {
    padding: 0; border: none; background: transparent;
    width: 100vw; height: 100vh; max-width: none; max-height: none;
    overflow: hidden; position: fixed; inset: 0; z-index: 99999; 
}
.sdg-lightbox-dialog::backdrop { background: transparent; }

.sdg-lb-backdrop {
    position: absolute; inset: 0;
    /* 配合嘉基綠，給予極深極深的墨綠色玻璃背景 */
    background: rgba(2, 20, 15, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0; transition: opacity 0.4s ease;
}
.sdg-lightbox-dialog.is-open .sdg-lb-backdrop { opacity: 1; }

.sdg-lb-container {
    position: relative; width: 100%; height: 100%;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    z-index: 2; pointer-events: none; 
}
.sdg-lb-container > * { pointer-events: auto; }

.sdg-lb-close {
    position: absolute; top: 1.5rem; right: 2rem;
    background: rgba(255,255,255,0.1); border: none; color: #ffffff;
    width: 48px; height: 48px; border-radius: 50%;
    font-size: 2rem; line-height: 1; cursor: pointer;
    font-weight: 300; transition: background 0.3s, transform 0.3s;
    display: flex; align-items: center; justify-content: center;
    z-index: 10;
}
.sdg-lb-close:hover { background: var(--sdg-accent); transform: rotate(90deg); } /* Hover 時亮紅 */

.sdg-lb-prev, .sdg-lb-next {
    position: absolute; top: 50%; transform: translateY(-50%);
    background: transparent; border: none; color: white;
    font-size: 3rem; font-weight: 100;
    width: 60px; height: 60px; border-radius: 50%;
    cursor: pointer; opacity: 0.4;
    transition: all 0.3s ease;
    display: flex; align-items: center; justify-content: center; z-index: 10;
}
.sdg-lb-prev:hover, .sdg-lb-next:hover { opacity: 1; transform: translateY(-50%) scale(1.1); }
.sdg-lb-prev { left: 1rem; }
.sdg-lb-next { right: 1rem; }

.sdg-lb-img-wrap {
    max-width: 90vw; max-height: 80vh;
    display: flex; align-items: center; justify-content: center;
}
.sdg-lb-img {
    max-width: 100%; max-height: 80vh;
    object-fit: contain;
    border-radius: var(--sdg-radius);
    box-shadow: 0 25px 50px rgba(0,0,0,0.5);
    opacity: 0; transform: scale(0.96) translateY(20px);
    transition: opacity 0.4s var(--sdg-ease-out), transform 0.4s var(--sdg-ease-out);
}
.sdg-lb-img.anim-pop { opacity: 1; transform: scale(1) translateY(0); }

.sdg-lb-caption {
    margin-top: 1.5rem; text-align: center; color: white;
    max-width: 600px; padding: 0 1rem;
    opacity: 0; transform: translateY(5px);
    transition: all 0.4s ease 0.1s;
}
.sdg-lightbox-dialog.is-open .sdg-lb-caption { opacity: 1; transform: translateY(0); }

.sdg-lb-title {
    font-size: 1.15rem; font-weight: 600; margin: 0 0 0.4rem; letter-spacing: 0.03em;
}
.sdg-lb-subtitle {
    font-size: 0.9rem; color: #a7f3d0; /* Tailwind emerald-200 */ font-weight: 400; margin: 0;
}