/**
 * InstaLedger 首頁樣式
 * 
 * 專門為 home.html 設計的樣式
 */

/* ===== 英雄區 ===== */
.hero {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--tertiary-50) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(0,0,0,0.02)"/><circle cx="75" cy="75" r="1" fill="rgba(0,0,0,0.02)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.5;
  pointer-events: none;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 600px;
}

.hero-title {
  font-size: var(--font-size-xxxxl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  color: var(--text-color);
}

.hero-subtitle {
  font-size: var(--font-size-xxl);
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
  color: var(--primary-color);
}

.hero-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  color: var(--text-light-color);
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-app-image {
  max-width: 400px;
  width: 100%;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

.pricing-highlight {
  margin-top: 2rem;
  padding: 1rem;
  border-radius: 1rem;
  border: 1px solid var(--primary-200);
  background: var(--primary-100);
}

.pricing-highlight p {
  margin: 0;
  color: var(--primary-700);
  font-weight: 600;
  font-size: 1.1rem;
}

/* ===== 特色區 ===== */
.features {
  padding: var(--spacing-xxl) 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.feature-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-normal);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-color);
}

.feature-description {
  color: var(--text-light-color);
  line-height: 1.6;
}

/* ===== 生活神器區 ===== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.tool-item {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.tool-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.tool-icon {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.tool-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-color);
}

/* ===== AI 功能區 ===== */
.ai-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.ai-feature-card {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-normal);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.ai-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.ai-feature-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.ai-feature-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-color);
}

.ai-feature-description {
  color: var(--text-light-color);
  line-height: 1.5;
  font-size: var(--font-size-sm);
}

/* ===== 角色展示區 ===== */
.character-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.character-item {
  text-align: center;
  transition: all var(--transition-normal);
}

.character-item:hover {
  transform: scale(1.05);
}

.character-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-500), var(--tertiary-500));
  margin: 0 auto var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  box-shadow: var(--shadow-md);
}

.character-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-color);
}

/* ===== 價格區塊 ===== */
.pricing-card {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--tertiary-500) 100%);
  color: white;
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-normal);
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.pricing-amount {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.pricing-period {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-xl);
  text-align: left;
}

.pricing-features li {
  padding: 0.4rem 0;
  font-size: var(--font-size-sm);
  opacity: 0.95;
  line-height: 1.4;
}

/* ===== 下載區 ===== */
.cta {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--tertiary-600) 100%);
  padding: var(--spacing-xxl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  color: white;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
  opacity: 0.3;
  pointer-events: none;
}

.cta-title {
  font-size: var(--font-size-xxxl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  position: relative;
  z-index: 1;
}

.cta-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
  position: relative;
  z-index: 1;
  line-height: 1.6;
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* 深色漸變動態效果 */
.download-buttons .btn.btn-lg {
  position: relative;
  overflow: hidden;
  background: linear-gradient(
    -45deg,
    #1e3a5f,
    #0f1c2e,
    #1a0033,
    #4a148c,
    #0d7377,
    #053f42
  ) !important;
  background-size: 400% 400% !important;
  animation: dark-gradient 6s ease-in-out infinite !important;
  color: white !important;
  border: none !important;
  font-weight: 700 !important;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3) !important;
}

/* 下載按鈕 icon 間距 */
.download-buttons .btn.btn-lg i {
  margin-right: 10px !important;
}

.download-buttons .btn.btn-lg:hover {
  animation: dark-gradient 3s ease-in-out infinite !important;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4) !important;
  transform: translateY(-2px) scale(1.02) !important;
}

@keyframes dark-gradient {
  0% {
    background-position: 0% 50%;
  }
  25% {
    background-position: 50% 100%;
  }
  50% {
    background-position: 100% 50%;
  }
  75% {
    background-position: 50% 0%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.animate-pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ===== 響應式設計 ===== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: var(--font-size-xxxl);
  }
  
  .hero-container {
    gap: var(--spacing-xl);
  }
  
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  
  .ai-features-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 6rem 0 3rem;
  }
  
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-lg);
  }
  
  .hero-title {
    font-size: var(--font-size-xxl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-xl);
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .tools-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }
  
  .ai-features-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .character-showcase {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .download-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 5rem 0 2rem;
  }
  
  .hero-title {
    font-size: var(--font-size-xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .feature-card {
    padding: var(--spacing-lg);
  }
  
  .tools-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .character-showcase {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .pricing-card {
    padding: var(--spacing-xl);
  }
  
  .pricing-amount {
    font-size: 2.5rem;
  }
}