/* ==========================================
   作品集總覽頁
   ========================================== */

/* 網格容器設定 */
.projects {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

/* 單一作品卡片外觀與懸停特效 */
.project {
  position: relative;
  background-color: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--c4-winter-mist);
  border-radius: 12px;
  padding: 15px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  will-change: transform;
  box-shadow: 0 4px 15px rgba(137, 159, 175, 0.1);
  display: flex;
  flex-direction: column;
}

.project:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(104, 170, 198, 0.25);
  border-color: var(--accent-color);
}

/* 卡片圖片統一比例裁切 */
.project img {
  width: 100%;
  aspect-ratio: 16 / 9; /* 統一橫式比例 */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
}

.project img.portrait {
  aspect-ratio: 3 / 4; /* 特殊直式比例覆寫 */
  object-fit: cover;  
  border-radius: 8px; 
}

/* 卡片內文字與標籤排版 */
.project h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.3rem;
}

.project p {
  margin: 5px 0;
  font-size: 0.95rem;
}

.project .tag {
  background-color: var(--c4-winter-mist);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  display: inline-block;
  margin-top: 5px;
}

/* 底部連結自動推至最下方並置中 */
.project a {
  margin-top: auto; 
  align-self: center;
  display: inline-block;
  padding-top: 15px;
  color: var(--accent-color);
  
  /* 確保 a 標籤不會攔截或限制其偽元素的絕對定位 */
  position: static; 
}

/*創建覆蓋整張卡片的隱形點擊熱區 (維持不變) */
.project a::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10; 
  cursor: pointer; 
}

/* ==========================================
   頂部大標題排版
   ========================================== */
.about-header {
  text-align: center;
  margin-bottom: 50px;
}

.about-header h1 {
  font-size: 2.5rem;
  letter-spacing: 2px;
  margin: 0;
}

/* ==========================================
   手機版自適應 (RWD)
   ========================================== */
@media screen and (max-width: 768px) {
  .projects {
    grid-template-columns: 1fr; /* 螢幕過小時強制變為單行滿版排列 */
  }
}