/* ===== 首頁專用樣式 - 玻璃擬態設計 ===== */

/* 主色調變數 */
:root {
  --primary-color: #64ffda;
  --primary-rgb: 100, 255, 218;
  --primary-10: rgba(100, 255, 218, 0.1);
  --primary-20: rgba(100, 255, 218, 0.2);
  --primary-30: rgba(100, 255, 218, 0.3);
  --primary-40: rgba(100, 255, 218, 0.4);
  --primary-50: rgba(100, 255, 218, 0.5);
  --primary-60: rgba(100, 255, 218, 0.6);
}

/* Hero 區塊優化 */
.hero {
  position: relative;
  z-index: 10;
  animation: fadeInUp 0.8s ease-out;
}

.hero h1 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  animation: glow 2s ease-in-out infinite;
}

.hero h1 i {
  font-size: 0.9em;
  color: var(--primary-color);
  animation: pulse 2s infinite;
}

.hero p {
  animation: fadeIn 1s ease-out 0.3s both;
}

/* 玻璃擬態功能區塊 */
.glass-feature {
  position: relative;
  z-index: 10;
}

.glass-feature .feature-content {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(15px);
  border: 2px solid rgba(100, 255, 218, 0.2);
  border-radius: 25px;
  padding: 50px;
  transition: all 0.3s ease;
  box-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);
}

.glass-feature .feature-content:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(100, 255, 218, 0.4);
  box-shadow: 0 12px 40px rgba(100, 255, 218, 0.2);
  transform: translateY(-5px);
}

body.dark-mode .glass-feature .feature-content {
  background: rgba(0, 0, 0, 0.3);
  border-color: rgba(100, 255, 218, 0.3);
}

body.dark-mode .glass-feature .feature-content:hover {
  background: rgba(0, 0, 0, 0.4);
  border-color: rgba(100, 255, 218, 0.5);
}

/* 標題樣式優化 */
.feature-text h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  font-size: 32px;
  color: #5B7F47;
  text-shadow: 0 2px 8px rgba(100, 255, 218, 0.3);
}

body.dark-mode .feature-text h2 {
  color: var(--primary-color);
  text-shadow: 0 0 15px rgba(100, 255, 218, 0.4);
}

.feature-text h2 i {
  color: var(--primary-color);
  font-size: 0.9em;
  animation: iconPulse 2s ease-in-out infinite;
}

/* Icon 動畫 */
@keyframes iconPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

/* 功能圖示樣式優化 */
.feature-icon {
  flex: 0 0 150px;
  font-size: 80px;
  text-align: center;
  color: var(--primary-color);
  transition: all 0.3s ease;
}

.feature-content:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
  filter: drop-shadow(0 0 20px rgba(100, 255, 218, 0.6));
}

.feature-icon i {
  display: block;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* 按鈕組容器 */
.feature-buttons-group {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 10px;
}

/* 按鈕樣式優化 - 玻璃擬態 */
.feature-btn {
  display: inline-flex !important;
  align-items: center;
  gap: 10px;
  padding: 12px 28px !important;
  background: linear-gradient(135deg, rgba(100, 255, 218, 0.3), rgba(100, 255, 218, 0.2)) !important;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(100, 255, 218, 0.5) !important;
  border-radius: 25px !important;
  color: var(--primary-color) !important;
  font-weight: bold;
  font-size: 16px !important;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(100, 255, 218, 0.2);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.feature-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(100, 255, 218, 0.3) 50%, 
    transparent 100%);
  transition: left 0.5s ease;
}

.feature-btn:hover::before {
  left: 100%;
}

.feature-btn:hover {
  background: linear-gradient(135deg, rgba(100, 255, 218, 0.4), rgba(100, 255, 218, 0.3)) !important;
  border-color: var(--primary-color) !important;
  transform: translateY(-2px) scale(1.05) !important;
  box-shadow: 0 6px 25px rgba(100, 255, 218, 0.4);
  color: #ffffff !important;
}

.feature-btn i {
  font-size: 1em;
  transition: transform 0.3s ease;
}

.feature-btn:hover i {
  transform: scale(1.2);
}

body.dark-mode .feature-btn {
  background: linear-gradient(135deg, rgba(100, 255, 218, 0.2), rgba(100, 255, 218, 0.1)) !important;
  color: var(--primary-color) !important;
}

body.dark-mode .feature-btn:hover {
  background: linear-gradient(135deg, rgba(100, 255, 218, 0.3), rgba(100, 255, 218, 0.2)) !important;
}

/* 公告區優化 */
.announcement-board-home {
  position: relative;
  z-index: 10;
  background: linear-gradient(135deg, rgba(91, 127, 71, 0.8), rgba(136, 184, 122, 0.8)) !important;
  backdrop-filter: blur(15px);
  border: 2px solid rgba(100, 255, 218, 0.3);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25), 0 0 20px rgba(100, 255, 218, 0.15);
  transition: all 0.3s ease;
}

.announcement-board-home:hover {
  border-color: rgba(100, 255, 218, 0.5);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(100, 255, 218, 0.25);
  transform: translateY(-3px);
}

body.dark-mode .announcement-board-home {
  background: linear-gradient(135deg, rgba(15, 61, 99, 0.8), rgba(22, 74, 117, 0.8)) !important;
  border-color: rgba(100, 255, 218, 0.4);
}

.announcement-title i {
  margin-right: 15px;
  color: var(--primary-color);
  animation: pulse 2s infinite;
}

/* 認證區塊優化 */
.auth-section {
  position: relative;
  z-index: 10;
}

.auth-section h2 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  animation: glow 2s ease-in-out infinite;
}

.auth-section h2 i {
  color: var(--primary-color);
  animation: pulse 2s infinite;
}

.auth-buttons a {
  display: inline-flex !important;
  align-items: center;
  gap: 12px;
  padding: 18px 45px !important;
  background: linear-gradient(135deg, rgba(100, 255, 218, 0.3), rgba(100, 255, 218, 0.2)) !important;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(100, 255, 218, 0.5) !important;
  border-radius: 30px !important;
  color: var(--primary-color) !important;
  font-weight: bold;
  font-size: 20px !important;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 6px 20px rgba(100, 255, 218, 0.2);
  position: relative;
  overflow: hidden;
}

.auth-buttons a::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(100, 255, 218, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.auth-buttons a:hover::before {
  width: 300px;
  height: 300px;
}

.auth-buttons a:hover {
  background: linear-gradient(135deg, rgba(100, 255, 218, 0.4), rgba(100, 255, 218, 0.3)) !important;
  border-color: var(--primary-color) !important;
  transform: scale(1.08) translateY(-3px) !important;
  box-shadow: 0 8px 30px rgba(100, 255, 218, 0.4);
  color: #ffffff !important;
}

.auth-buttons a i {
  font-size: 1.1em;
  z-index: 1;
  position: relative;
  transition: transform 0.3s ease;
}

.auth-buttons a:hover i {
  transform: scale(1.3) rotate(10deg);
}

.auth-buttons a span {
  z-index: 1;
  position: relative;
}

body.dark-mode .auth-buttons a {
  background: linear-gradient(135deg, rgba(100, 255, 218, 0.25), rgba(100, 255, 218, 0.15)) !important;
}

body.dark-mode .auth-buttons a:hover {
  background: linear-gradient(135deg, rgba(100, 255, 218, 0.35), rgba(100, 255, 218, 0.25)) !important;
}

/* 動畫定義 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes glow {
  0%, 100% {
    text-shadow: 0 0 10px rgba(100, 255, 218, 0.3);
  }
  50% {
    text-shadow: 0 0 20px rgba(100, 255, 218, 0.6), 0 0 30px rgba(100, 255, 218, 0.4);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.15);
  }
}

/* 響應式設計 */
@media(max-width:768px) {
  .glass-feature .feature-content {
    padding: 30px 20px;
  }
  
  .feature-text h2 {
    font-size: 26px;
    gap: 8px;
  }
  
  .feature-icon {
    font-size: 60px;
  }
  
  /* 按鈕組在手機版垂直排列 */
  .feature-buttons-group {
    flex-direction: column;
    gap: 12px;
    width: 100%;
  }
  
  .feature-btn {
    padding: 12px 25px !important;
    font-size: 15px !important;
    gap: 8px;
    width: 100%;
    justify-content: center;
  }
  
  .auth-buttons a {
    padding: 15px 35px !important;
    font-size: 18px !important;
    gap: 10px;
  }
  
  .announcement-board-home {
    padding: 24px 20px 40px;
  }
}

/* 平板優化 */
@media(max-width:1024px) and (min-width:769px) {
  .glass-feature .feature-content {
    padding: 40px 35px;
  }
  
  .feature-text h2 {
    font-size: 28px;
  }
  
  .feature-icon {
    font-size: 70px;
  }
  
  /* 平板版按鈕組設定 */
  .feature-buttons-group {
    gap: 12px;
  }
  
  .feature-btn {
    padding: 11px 24px !important;
    font-size: 15px !important;
  }
}

/* 提升頁面整體層級 */
.hero,
.feature-section,
.auth-section {
  position: relative;
  z-index: 10;
}

/* 確保動畫流暢 */
.glass-feature .feature-content,
.feature-icon,
.feature-btn,
.auth-buttons a {
  will-change: transform;
}