/* ========== 全站基本設定 ========== */
body {
  font-family: "微軟正黑體", sans-serif;
  line-height: 1.6;
}

html {
  scroll-behavior: smooth;
}


/* ========== 導覽列 ========== */
.navbar.fixed-top {
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
  font-weight: bold;
  letter-spacing: 2px;
}


/* ========== Hero 區塊 ========== */
.hero-section {
  background-image: url("images/hero.jpg");
  background-size: cover;
  background-position: center;
  color: white;
  padding-top: 120px; /* 避開 fixed-top 導覽列 */
  padding-bottom: 80px; /* 美觀用 */
}


/* ========== 作品集卡片 ========== */
.card-img-top {
  transition: 0.3s ease;
}

.card:hover .card-img-top {
  transform: scale(1.03);
  filter: brightness(1.05);
}


/* ========== 圖示效果（Bootstrap Icons） ========== */
.bi {
  display: inline-block; /* 避免 hover 時變形 */
  transition: transform 0.3s ease;
}

.bi:hover {
  transform: scale(1.2);
}

.footer-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-right: 0.5rem;
  color: white;
  text-decoration: none;
}

.footer-icons i {
  font-size: 1.3rem;
  line-height: 1;
  vertical-align: middle;
}

.footer-icons i,
footer ul li i {
  position: relative;
  top: 2px;  /* 微調 icon 垂直位置 */
}

footer ul li {
  display: flex;
  align-items: center;
}

footer ul li i {
  width: 1.2rem; /* 固定 icon 寬度 */
  text-align: center;
}