styles.css

/* 基本 */
body {
  font-family: 'Inter', 'Noto Sans JP', 'Noto Sans TC', 'Yu Gothic', 'Meiryo', sans-serif;
  line-height: 1.6;
  /* 文字行間距 */
  background-color: #1d1d1f;
  /* 背景色 */
  color: #FFFFFF;
  margin: 0;
  padding: 0;
  font-size: 18px;
  transition: background-color 0.3s, color 0.3s;
}

body.light-mode {
  background-color: #f7f7f7;
  /* 背景色 */
  color: #1d1d1f;
}

/* Navbar */
.navbar {
  padding: 12px 25px;
  /* 內邊距*/
  position: fixed;
  /* 設定為固定定位 */
  top: 30px;
  /* 離視窗頂部 */
  /* left: 0;  離視窗左邊緣 */
  right: 30px;
  /* 離視窗右邊緣 */
  z-index: 1000;
  /* 設定堆疊順序，確保其他元素之上 */

  /* 流體玻璃：帶角度的漸層，模擬光線折射 */
  background: rgba(255, 255, 255, 0.01);

  /* 強化模糊與飽和度：液態玻璃通常會讓後方顏色更鮮豔 */
  /* 套用背景濾鏡效果：
    - blur(4px) → 背景模糊 4px
    - saturate(100%) → 飽和度維持原本顏色
    - brightness(1.2) → 提高亮度 20%
    */
  backdrop-filter: blur(4px) saturate(100%) brightness(1.2);
  /* 
   給 Safari / iOS 使用的相容寫法（WebKit前綴）
   效果較強：
    - blur(20px) → 背景模糊 20px（更明顯）
    - saturate(500%) → 飽和度大幅提升
    - brightness(1.1) → 提高亮度 10%
    */
  -webkit-backdrop-filter: blur(20px) saturate(500%) brightness(1.1);
  /* backdrop-filter: blur(4px) saturate(160%);
    -webkit-backdrop-filter: blur(4px) saturate(160%);*/

  /* 邊緣高光 */
  border: 0.5px solid rgba(255, 255, 255, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.4);
  /* 頂部亮邊 */
  border-left: 1px solid rgba(255, 255, 255, 0.4);
  /* 左側亮邊 */

  transition: background-color 0.3s, color 0.3s;
  border-radius: 40px;
  /* Navbar圓角半徑 */
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.15);

  max-width: 60px;
  /* Navbar寬度 */
  width: 90%;
  /* 設定寬度 */
  margin: 0 auto;
}

body.light-mode .navbar {
  background: rgba(255, 255, 255, 0.01);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
}

.left-container,
.center-container {
  flex: 1;
}

.center-container {
  text-align: center;
}

.navbar ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
}

.navbar li {
  margin: 0 20px;
}

.navbar a {
  color: #FFFFFF;
  text-decoration: none;
  font-size: 20px;
  transition: color 0.3s;
  font-weight: 600;
}

body.light-mode .navbar a {
  color: #1d1d1f;
}

/* Mouse hover color*/
.navbar a:hover {
  color: #4CAF50;
  /*Green*/
}

/* 光亮/暗黑切換開關 */
.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, #19072b 20%, #343066 100%);
  /* 星空顏色 */
  transition: 0.3s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background: radial-gradient(circle at 60% 40%, #adadad 30%, #f4f4f4 100%);
  /* 月亮滑塊顏色 */
  transition: 0.3s;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

input:checked+.slider {
  background: linear-gradient(to bottom, #87ceeb 0%, #e0f6ff 100%);
  /* 天空顏色 */
}

input:checked+.slider:before {
  transform: translateX(26px);
  background: radial-gradient(circle, #ffcc00 30%, #f4f4f4 100%);
  /* 太陽滑塊顏色 */
  box-shadow: 0 10px 10px rgba(241, 196, 15, 0.2);
}

.slider.round {
  border-radius: 34px;
}

/* 滑塊樣式 */
.slider.round:before {
  background-color: #f4f4f4;
  /* 白色 */
  box-shadow: 0 10px 30px rgba(0, 0, 15, 0.8);
  /* 帶些光暈 */
  border-radius: 50%;
  /* 圓形 */
}

/* --- Navbar 響應式 --- */
@media (max-width: 900px) {
  .navbar {
    display: none !important;
  }
}

/* Hero Section */
.hero-section {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
}

/* 確保內容顯示在背景圖層之上 */
.hero-container {
  position: relative;
  z-index: 1;
}

/* 暗黑／亮色背景圖層，用 opacity crossfade 切換 */
.hero-section::before,
.hero-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: opacity 0.3s ease;
  z-index: 0;
}

/* 暗黑模式背景 */
.hero-section::before {
  background-image:
    linear-gradient(to bottom, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.6) 60%, rgba(30, 30, 30, 1) 100%),
    url('https://mir-s3-cdn-cf.behance.net/project_modules/fs/47b05c220712515.699d0acc612e8.png');
  opacity: 1;
}

/* 光亮模式背景 */
.hero-section::after {
  background-image:
    linear-gradient(to bottom, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.3) 60%, rgba(247, 247, 247, 1) 100%),
    url('https://mir-s3-cdn-cf.behance.net/project_modules/fs/60fe58220712515.699d092bb8547.png');
  opacity: 0;
}

body.light-mode .hero-section::before {
  opacity: 0;
}

body.light-mode .hero-section::after {
  opacity: 1;
}

/* Labs：隱藏主標文字（不影響主頁） */
body.page-hero-image-only .hero-text {
  display: none;
}

/* Hero section text */
.hero-text {
  font-family: 'Poppins', sans-serif;
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin: 0 auto 20px;
  text-align: center;
  min-height: 2.8em;
  /* 預留兩行高度防止抖動 */
  color: #FFFFFF;
  /* 暗黑模式預設白色 */
  display: block;
  transition: color 0.3s ease;
}

/* 光亮模式顏色 */
body.light-mode .hero-text,
body.light-mode .hero-text span:not(.cursor) {
  color: #1d1d1f;
  /* 文字變黑 */
}

/* 打字光標 */
.cursor {
  display: inline-block;
  width: 6px;
  height: 1.1em;
  background-color: #4CAF50 !important;
  vertical-align: middle;
  border-radius: 10px;
  margin-left: 2px;
  animation: blink-cursor 0.8s infinite;
}

/* 僅在初始進入時的圓球動畫 */
.cursor.entrance {
  animation:
    cursor-entrance 1.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards,
    blink-cursor 0.8s infinite 1.6s;
}

@keyframes cursor-entrance {
  0% {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    transform: scale(0);
    opacity: 0;
  }

  20% {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    transform: scale(1);
    opacity: 1;
  }

  60% {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    transform: scale(1);
  }

  100% {
    width: 6px;
    height: 1.1em;
    border-radius: 10px;
    transform: scale(1);
  }
}

@keyframes blink-cursor {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

/* 透明佔位文字 */
.ghost {
  opacity: 0;
  visibility: hidden;
}

/* 按鈕群組容器 */
.hero-btns {
  margin-top: 50px;
  display: flex;
  gap: 20px;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.8s cubic-bezier(0.2, 1, 0.3, 1);
}

/* 顯示 Class */
.hero-btns.show {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateY(0) !important;
}

/* 主按鈕 (Learn More) */
.cta-button {
  padding: 10px 40px;
  font-size: 1rem;
  font-weight: 600;
  color: #FFFFFF;
  background-color: #4CAF50;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
  transition: transform 0.3s;
}

/* 副按鈕 (Overview) */
.secondary-btn {
  padding: 10px 40px;
  font-size: 1.1rem;
  font-weight: 600;
  color: #4CAF50;
  background-color: transparent;
  border: 1px solid #4CAF50;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.cta-button:hover,
.secondary-btn:hover {
  transform: scale(1.05);
}

/* --- Hero Section 響應式 --- */
@media (max-width: 768px) {
  .hero-text {
    font-size: 2.2rem;
  }
}

/* AI Skills Section */
.skills-section {
  padding: 80px 2rem 60px;
  display: flex;
  justify-content: center;
}

.skills-container {
  width: 100%;
  max-width: 1400px;
}

.skills-headline {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 32px;
}

body.light-mode .skills-headline {
  color: #1d1d1f;
}

.skills-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #4CAF50;
  margin-bottom: 24px;
}

.skills-grid {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.skill-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 28px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: transparent;
  text-decoration: none;
  color: inherit;
  width: 280px;
  transition: transform 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
}

.skill-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.35);
}

body.light-mode .skill-card {
  border: 1px solid rgba(0, 0, 0, 0.1);
}

body.light-mode .skill-card:hover {
  border-color: rgba(0, 0, 0, 0.25);
}

.skill-card-icon {
  font-size: 1.5rem;
}

.skill-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0;
}

body.light-mode .skill-card-title {
  color: #1d1d1f;
}

.skill-card-desc {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
  line-height: 1.5;
}

body.light-mode .skill-card-desc {
  color: rgba(0, 0, 0, 0.55);
}

.skill-card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.skill-card-tag {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(76, 175, 80, 0.15);
  color: #4CAF50;
}

/* skill-tag 用於 skillprd.html 頁面 */
.skill-platform-tags {
  margin: -8px 0 24px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.skill-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(76, 175, 80, 0.4);
  color: #4CAF50;
}

@media (max-width: 768px) {
  .skill-card {
    width: 100%;
  }
}

/* Writing Section */
.writing-section {
  padding: 0 2rem 80px;
}

.writing-container {
  max-width: 1400px;
  margin: 0 auto;
}

.writing-headline {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 32px;
}

body.light-mode .writing-headline {
  color: #1d1d1f;
}

.writing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 28px;
}

.writing-card {
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  background: #2a2a2a;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s, box-shadow 0.3s;
}

.writing-card:hover {
  transform: scale(1.02);
  box-shadow: 0 6px 10px rgba(0, 0, 0, 0.08);
}

body.light-mode .writing-card {
  background: #ffffff;
}

.writing-card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.writing-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.writing-card:hover .writing-card-img img {
  transform: scale(1.04);
}

.writing-card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 24px;
  flex: 1;
}

.writing-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0;
  line-height: 1.4;
}

body.light-mode .writing-card-title {
  color: #1d1d1f;
}

.writing-card-desc {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
  line-height: 1.55;
  flex: 1;
}

body.light-mode .writing-card-desc {
  color: rgba(0, 0, 0, 0.55);
}

.writing-card-date {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.35);
  margin-top: 4px;
}

body.light-mode .writing-card-date {
  color: rgba(0, 0, 0, 0.35);
}

.writing-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #4CAF50;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
  margin-top: 4px;
}

.writing-more:hover {
  border-bottom-color: #4CAF50;
}

.writing-more-arrow {
  transition: transform 0.2s ease;
}

.writing-more:hover .writing-more-arrow {
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .writing-grid {
    grid-template-columns: 1fr;
  }
}

/* Projects */
.projects-section {
  min-height: 100vh;
  padding: 80px 2rem 200px;
  /* 增加底部padding */
}

#card-container {
  display: grid;
  /* auto-fit, minmax(300px, 1fr) 3個卡片一排 */
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.card {
  background: #2a2a2a;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
}

body.light-mode .card {
  background: #FFFFFF;
}

.card:hover {
  transform: scale(1.02);
  /* Hocer card 放大 1.02 倍（102%）*/
  box-shadow: 0 6px 10px rgba(0, 0, 0, 0.08);
}

.card-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.card-content {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.5rem;
  margin: 0 0 1rem;
  color: #FFFFFF;
}

body.light-mode .card-title {
  color: #1d1d1f;
}

.card-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  margin: 0.25rem;
  font-size: 0.6875rem;
  background-color: #F0F0F0;
  border-radius: 999px;
}

body.dark-mode .card-tag {
  background-color: #444;
  color: #FFFFFF;
}

.card-subtitle {
  display: block;
  word-wrap: break-word;
  white-space: normal;
  font-size: 1rem;
  color: #FFFFFF;
  margin: -0.25rem 0 1rem;
  font-weight: 400;
}

body.light-mode .card-subtitle {
  color: #1d1d1f;
}

/* Card Banner */
.image-wrapper {
  position: relative;
  overflow: hidden;
}

.card-banner {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;

  background: rgba(0, 0, 0, 0.7);
  color: #ffffff;

  border-radius: 12px;
  z-index: 2;
}

.card-large .card-banner {
    padding: 6px 14px;
    font-size: 0.75rem;
    line-height: 1.4;
}

/* Light mode banner */
body.light-mode .card-banner {
  background: rgba(255, 255, 255, 0.9);
  color: #1d1d1f;
}

/* Hero Intro */
.hero-intro {
  padding: 100px 0;
  /* 稍微縮減高度 */
  min-height: 100vh;
  background: #1d1d1f;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  transition: background-color 0.3s ease !important;
}

.hero-intro-container {
  max-width: 1000px;
  width: 90%;
  text-align: left;
  /* 左對齊 */
}

.hero-intro-headline {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: #ffffff;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 30px;
}

/* 漸層關鍵字 (Liquid Touch) */
.hero-intro-headline span {
  background: linear-gradient(135deg, #2ecc71, #27ae60);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-intro-desc {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.6);
  /* 降低透明度，增加視覺深度 */
  max-width: 1000px;
  line-height: 1.7;
}

/* 光亮模式顏色 */
body.light-mode .hero-intro {
  background-color: #f7f7f7 !important;
}

body.light-mode .hero-intro-headline {
  color: #1d1d1f !important;
}

body.light-mode .hero-intro-desc {
  color: rgba(0, 0, 0, 0.7) !important;
  /* 副標題深灰色 */
}

/* 漸層關鍵字在白底上可以稍微加深顏色，讓它更突出 */
body.light-mode .hero-intro-headline span {
  background: linear-gradient(135deg, #27ae60, #219150);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --- Hero Intro 響應式 --- */
@media (max-width: 768px) {
  .hero-intro {
    padding: 80px 20px;
  }

  .hero-intro-container {
    text-align: left;
    /* 左對齊*/
  }

  .hero-intro-headline {
    font-size: 2.2rem;
    /* 防止在極窄螢幕穿版 */
  }
}


/* 大卡片樣式 */
.card.card-large {
  /* 網格橫跨兩列 */
  grid-column: span 2;

  /* 卡片內容排列方向：由上下變成左右 */
  /* 左圖片,右文字 */
  display: flex;
  flex-direction: row;
  min-height: 600px;
  align-items: stretch;
  /* 圖片與文字等高 */
}

/* 圖片區域比例 */
.card.card-large .image-wrapper {
  line-height: 0;
  overflow: hidden;
  /* 確保圖片裁切沒有超出圓角 */
  height: 100%;

  border-radius: inherit;
  /* 繼承外層圓角 */
}

/* 文字區域比例 */
.card.card-large .card-content {
  width: 30%;
  /* 文字區域佔右側30% */
  padding: 50px 40px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  /* 右側垂直置中 */
  text-align: left;
}

/* 標題 */
.card.card-large .card-title {
  font-size: 2.8rem;
  line-height: 1.1;
  margin-bottom: 20px;
}

/* 大卡片隱藏標籤 */
.card.card-large .card-tag {
  display: none !important;
}

/* --- 大卡片響應式 --- */
@media (max-width: 900px) {

  .card.card-large {
    grid-column: span 1 !important;
    flex-direction: column !important;
    width: 100% !important;
    max-width: 100% !important;
    min-height: unset !important;
    height: auto !important;
    margin: 10px 0 !important;
    overflow: hidden !important;
  }

  .card.card-large .card-content {
    width: 100% !important;
    max-width: 100% !important;
    padding: 20px 15px !important;
    box-sizing: border-box !important;
    display: block !important;
  }

  .card.card-large .card-title,
  .card.card-large .card-subtitle {
    font-size: 1.5rem !important;
    width: 100% !important;
    max-width: 100% !important;
    white-space: normal !important;
    word-break: break-all !important;
    overflow-wrap: break-word !important;
    display: block !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .card.card-large .card-subtitle {
    font-size: 0.95rem !important;
    line-height: 1.6 !important;
    color: rgba(255, 255, 255, 0.8) !important;
    text-align: left !important;
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .info-container {
    flex-direction: column;
  }

  .hero-text {
    font-size: 2.5rem;
  }

  .navbar {
    padding: 1rem;
  }

  .available-badge {
    font-size: 16px;
    padding: 10px 20px;
  }
}

@media (max-width: 768px) {
  .navbar-container {
    flex-direction: column;
    align-items: center;
  }

  .left-container,
  .center-container {
    margin-bottom: 10px;
  }

  .hero-text {
    font-size: 2rem;
  }

  #card-container {
    grid-template-columns: 1fr;
  }
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* ========================================
   Testimonials Section
   ======================================== */

/* 外層容器 */
.testimonials-section {
  padding: 80px 2rem;
  background: transparent;
}

.testimonials-container {
  max-width: 1400px;
  margin: 0 auto;
}

.testimonials-header {
  margin-bottom: 48px;
}

.testimonials-headline {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 12px;
}

.testimonials-subheading {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.5);
  max-width: 600px;
  line-height: 1.5;
  margin: 0;
}

/* 卡片網格 */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* 卡片樣式 — 與 .skill-card 同系統 */
.testimonial-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 32px;
  border-radius: 16px;
  transition: transform 0.3s ease, border-color 0.3s ease, background-color 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
}

/* 引言內容 */
.testimonial-content p {
  font-size: 1.05rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 24px 0;
  font-style: italic;
}

/* 作者資訊 */
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
}

.author-title {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 2px;
}

/* --- Testimonials 光暗模式 --- */
body.light-mode .testimonials-headline {
  color: #1d1d1f;
}

body.light-mode .testimonials-subheading {
  color: rgba(0, 0, 0, 0.55);
}

body.light-mode .testimonial-card {}

body.light-mode .testimonial-card:hover {}

body.light-mode .testimonial-content p {
  color: rgba(29, 29, 31, 0.85);
}

body.light-mode .author-name {
  color: #1d1d1f;
}

body.light-mode .author-title {
  color: rgba(0, 0, 0, 0.45);
}

/* --- Testimonials 響應式 --- */
@media (max-width: 1024px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-section {
    padding: 60px 1.5rem;
  }
}

/* CTA外層容器 */
.cta-section {
  padding: 20px 20px 10px;
  /* 與上面卡片間距 */
  display: flex;
  justify-content: center;
  align-items: center;
}

/* CTA內層容器 */
.cta-container.glass-box {
  width: 100%;
  max-width: 1400px;
  /* 最大寬度 */
  padding: 10px 40px;
  border-radius: 20px;
  /* 圓角 */
  line-height: 0.6;

  display: flex;
  justify-content: space-between;
  /* 文字在左，圖標在右 */
  align-items: center;
  /* 垂直置中 */
  text-align: left;
  /* 文字靠左 */

  /* 暗黑模式預設 */
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);

  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Hover時輕微上浮 */
.cta-container.glass-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

/* 文字樣式 */
.cta-title {
  font-size: 6rem;
  font-weight: 800;
  color: #ffffff;
}

/* 強調色文字樣式 */
.cta-title .highlight {
  color: #4caf50;
  position: relative;
  display: inline-block;
}

.cta-container.glass-box:hover .cta-icon {
  /* 觸發對象父容器 */
  animation: icon-move-horizontal 1.2s ease-in-out infinite;
  color: #81c784;
  /* 亮綠色 */
}

/* 圖標樣式 */
.cta-icon {
  font-size: 5rem;
  /* 圖標大小 */
  color: #4caf50;
  /* 綠色 */
}

/* hover在圖標觸發動畫 */
.cta-icon:hover {
  /* - 動畫名稱: icon-move-horizontal
     - 持續時間: 1s (一秒完成一次)
     - 速度曲線: ease-in-out (起步和結束時慢，中間快)
     - 播放次數: infinite (無限循環播放)
    */
  animation: icon-move-horizontal 1s ease-in-out infinite;
}

/* 定義移動動畫 */
@keyframes icon-move-horizontal {

  0%,
  100% {
    transform: translateX(0);
  }

  50% {
    transform: translateX(30px);
  }

  /* 移動距離 */
}


/* --- CTA 光暗模式 --- */
/* 光亮模式設定 */
body.light-mode .cta-container.glass-box {
  background: rgba(255, 255, 255, 0.25);
  /* 變亮 */
  border-color: rgba(255, 255, 255, 0.6);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

/* 文字顏色設定 */
body.light-mode .cta-title {
  color: #1d1d1f;
  /* 深黑色 */
}

body.light-mode .cta-subtitle {
  color: rgba(0, 0, 0, 0.6);
  /* 深灰色 */
}

/* --- CTA 響應式 --- */
@media (max-width: 768px) {
  .cta-container.glass-box {
    padding: 40px 25px;
    border-radius: 30px;
  }

  .cta-title {
    font-size: 2rem;
  }

  .cta-subtitle {
    font-size: 1rem;
  }

  .cta-button {
    width: 80%;
    /* 手機按鈕寬點 */
    padding: 15px 20px;
  }
}

/* Footer */
.footer-section {
  padding: 40px 20px 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: transparent;
}

/* Footer內層容器 */
.footer-container.glass-box {
  width: 100%;
  max-width: 1100px;
  padding: 30px 50px;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  /* 內部所有元素靠左 */
  align-items: flex-start;
  /* 文字對齊靠左 */
  text-align: left;
  gap: 6px;
}

/* Footer 文字 */
.footer-connect-title {
  font-size: 6rem;
  font-weight: 800;
  /* 粗體字 */
  color: #ffffff;
  line-height: 1;
  /* 大字體建議 */
  margin: 0;
  text-transform: uppercase;
  letter-spacing: -3px;
  /* 緊縮字距 */
}

/* 社群圖標設定 */
.social-links {
  display: flex;
  gap: 25px;
  /* 圖標佈局靠左 */
  justify-content: flex-start;
  padding-left: 10px;
  width: 100%;
  margin-top: 10px;
}

.social-icon {
  font-size: 2rem;
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  text-decoration: none;
}

.social-icon:hover {
  color: #4caf50;
  transform: translateY(-5px) scale(1.1);
  text-shadow: 0 0 5px rgba(76, 175, 80, 0.6);
}

/* --- Footer 光暗模式 --- */
/* 標題深色 */
body.light-mode .footer-connect-title {
  color: #1d1d1f;
  /* 增加文字陰影，防止純白背景邊緣模糊 */
  text-shadow: none;
}

/* 社群圖標深色 */
body.light-mode .social-icon {
  color: #1d1d1f;
}

/* 懸停效果綠色 */
body.light-mode .social-icon:hover {
  color: #4caf50;
  text-shadow: 0 0 10px rgba(76, 175, 80, 0.3);
}

/* --- Footer 響應式 --- */
@media (max-width: 768px) {
  .footer-connect-title {
    font-size: 13vw !important;
    letter-spacing: -1px !important;
    white-space: normal !important;
    display: block !important;
    width: 100% !important;
    word-break: keep-all !important;
    /* 避免文字被拆開 */
    overflow-wrap: normal !important;
    text-align: center !important;
    line-height: 1.2 !important;
  }
}

/* 版權文字 */
.footer-copyright {
  font-size: 6rem;
  font-weight: 800;
  /* 粗體字 */
  color: rgba(255, 255, 255, 0.8);
  margin-top: 60px;
  /* 與圖標間距 */
  margin-bottom: 0px;
}

/* 版權文字深色 */
body.light-mode .footer-copyright {
  color: #1d1d1f;
}

/* --- 版權文字響應式 --- */
@media (max-width: 768px) {
  .footer-copyright {
    font-size: 10vw !important;
    margin-top: 60px !important;
    margin-bottom: 60px !important;
    display: block !important;
    width: 100% !important;
    white-space: normal !important;
    word-break: break-all !important;
    line-height: 1.1 !important;
    text-align: center !important;
  }
}

/* 頁尾水平線樣式 */
.footer-divider {
  border: none;
  /* 移除預設的陰影邊框 */
  height: 2px;
  /* 線條厚度 */
  width: 100%;
  /* 寬度填滿方塊 */
  margin-top: 15px;
  /* 與版權文字間距 */
  margin-bottom: 5px;
  /* 線條與方塊底邊間距 */
  border-radius: 10px;
  /* 圓角 */

  /* 使用線性漸層：讓線條從左邊亮白色，向右邊漸漸透明消失 */
  background: linear-gradient(to right,
      rgba(76, 175, 80, 0.3) 0%,
      /* 綠色 */
      rgba(76, 175, 80, 0.2) 50%,
      /* 綠色 */
      transparent 100%);
}

/* --- 頁尾水平線光暗模式 --- */
body.light-mode .footer-divider {
  background: linear-gradient(to right,
      rgba(0, 0, 0, 0.8) 0%,
      rgba(0, 0, 0, 0.2) 50%,
      transparent 100%);
}

/* --- Scroll Animations --- */
body.js-animate .card,
body.js-animate .skill-card,
body.js-animate .writing-card {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

body.js-animate .card.in-view,
body.js-animate .skill-card.in-view,
body.js-animate .writing-card.in-view {
  opacity: 1;
  transform: translateY(0);
}

body.js-animate .card.in-view:hover {
  transition: transform 0.3s ease, box-shadow 0.3s;
}

body.js-animate .skill-card.in-view:hover {
  transition: transform 0.2s ease, border-color 0.2s ease;
}

body.js-animate .writing-card.in-view:hover {
  transition: transform 0.3s, box-shadow 0.3s;
}