/**
 * Early Bird Product Section Styles
 * 基于竞品分析实现的早鸟产品展示区块
 */

/* ========================================
   Main Section Styles
======================================== */
.early-bird-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.early-bird-section.dark {
  background-color: #000;
  color: #FFF;
}

/* ========================================
   Container Layout
======================================== */
.early-bird-container {
  max-width: 1400px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 97px;
  align-items: center;
  border-radius: 20px;
}

.early-bird-container.image-right {
  grid-template-columns: 1fr 1fr;
}

.early-bird-container.image-right .early-bird-media {
  order: 2;
}

.early-bird-container.image-right .early-bird-content {
  order: 1;
}

/* Dark theme container */
.early-bird-section.dark .early-bird-container {
  background-color: #3F3F3F;
}

/* ========================================
   Media Area
======================================== */
.early-bird-media {
  flex: 1;
  display: flex;
}

.early-bird-media-inner {
  width: 100%;
  border-radius: 20px;
  overflow: hidden;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.early-bird-section.dark .early-bird-media-inner {
  background-color: #D0D0D0;
}

.early-bird-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 20px;
}

.early-bird-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 300px;
  color: #9ca3af;
}

.early-bird-placeholder svg {
  width: 80px;
  height: 80px;
  opacity: 0.6;
}

/* ========================================
   Content Area
======================================== */
.early-bird-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.early-bird-content-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Label */
.early-bird-label {
  width: fit-content;
  padding: 9px 18px;
  color: #FFF;
  border-radius: 4px;
  background: #364564;
  font-size: 14px;
  font-weight: 700;
  line-height: 100%;
  border: 1px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Heading */
.early-bird-heading {
  margin: 0;
  font-size: clamp(1.44rem, 1.249rem + 0.813vw, 2.225rem);
  font-weight: 700;
  line-height: 1.2;
  color: inherit;
}

/* Subheading */
.early-bird-subheading {
  color: rgba(0, 0, 0, 0.60);
  font-size: clamp(0.603rem, 0.461rem + 0.605vw, 1.187rem);
  line-height: 1.4;
  margin-bottom: 0;
}

.early-bird-section.dark .early-bird-subheading {
  color: rgba(255, 255, 255, 0.80);
}

/* Prices */
.early-bird-prices {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-weight: 900;
  line-height: 100%;
}

.early-bird-current-price {
  font-size: clamp(1.071rem, 0.947rem + 0.529vw, 1.583rem);
  color: #F26A17
}

.early-bird-section.dark .early-bird-current-price {
  color: #F26A17;
}

.early-bird-compare-price {
  font-size: 16px;
  color: #9F9F9F;
  font-weight: 400;
  text-decoration: line-through;
}

.early-bird-section.dark .early-bird-compare-price {
  color: #FFF;
}

/* Description */
.early-bird-description {
  font-size: 16px;
  line-height: 140%;
  color: inherit;
}

.early-bird-description ul {
  list-style: disc;
  margin-left: 20px;
  padding-left: 0;
}

.early-bird-description ul li {
  margin-bottom: 8px;
}

.early-bird-description ul li:last-child {
  margin-bottom: 0;
}

/* Features List */
.early-bird-features {
  margin-top: 5px;
}

.early-bird-features-list {
  /* 使用默认 marker（outside）并为其留出左侧间距，
     避免将 li 设为 flex 导致某些浏览器隐藏 marker */
  list-style-type: disc;
  margin: 0;
  padding-left: 1.5rem; /* 给 marker 留空间 */
  list-style-position: outside;
}

/* 将 li 保持为 list-item，这样浏览器原生 marker 能可靠显示。
   使用内部 inline-flex 控制图标与文本的横向对齐 */
.early-bird-features-list li {
  margin-bottom: 4px;
  display: list-item;
  font-size: clamp(0.603rem, 0.457rem + 0.619vw, 1.2rem);
  line-height: 1.4;
}

/* 内部布局：把现有子元素设为 inline-flex 保持原有对齐 */
.early-bird-features-list li > .feature-icon,
.early-bird-features-list li > .feature-text {
  display: inline-flex;
  vertical-align: top;
  align-items: flex-start;
  gap: 8px;
}

/* 美化 marker（现代浏览器） */
.early-bird-features-list li::marker {
  color: currentColor;
  margin-right: 6px;
}

.early-bird-features-list li:last-child {
  margin-bottom: 0;
}

.feature-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.feature-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.feature-text {
  flex: 1;
  color: inherit;
}

/* ========================================
   Buttons
======================================== */
.early-bird-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.early-bird-btn {
  position: relative;
  padding: 13px 20px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 100px;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.3s ease;
  cursor: pointer;
}

/* Primary Button */
.early-bird-btn--primary {
  color: #FFFFFF;
}

.early-bird-btn--primary:hover {
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px #5684A7;
}

/* Secondary Button */
.early-bird-btn--secondary {
  color: #FFFFFF;
}

.early-bird-btn--secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(31,70,101,0.2);
}

/* ========================================
   Responsive Design
======================================== */

/* Large Desktop */
@media screen and (max-width: 1200px) {
  .early-bird-container {
    max-width: 1200px;
    gap: 60px;
  }
}

/* Tablet */
@media screen and (max-width: 1024px) {
  .early-bird-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .early-bird-container.image-right .early-bird-media,
  .early-bird-container.image-right .early-bird-content {
    order: initial;
  }
  
  .early-bird-content-inner {
    gap: 15px;
  }
}

/* Mobile */
@media screen and (max-width: 768px) {
  .early-bird-container {
    gap: 20px;
  }
  /* 缩小卡片内边距，减少图片周围留白 */
  .early-bird-section.theme-style-hero,
  .early-bird-section.theme-style-boxed {
    padding: 0!important;
    background-color: transparent!important;
  }
  
  .early-bird-content-inner {
    gap: 12px;
  }
  
  .early-bird-compare-price {
    font-size: 14px;
  }
  
  .early-bird-description {
    font-size: 14px;
  }
  
  .feature-icon {
    width: 20px;
    height: 20px;
  }
  
  /* 减少小屏图片留白：降低容器高度并让图片充满 */
  .early-bird-media-inner {
    min-height: 220px;
  }
  .early-bird-image {
    object-fit: cover;
  }
  
  .early-bird-buttons {
    gap: 10px;
  }
  
  .early-bird-btn {
    font-size: 14px;
    padding: 12px 16px;
  }
}

/* Very Small Mobile */
@media screen and (max-width: 480px) {
  .early-bird-buttons {
    flex-direction: row; /* 移动端并排 */
    flex-wrap: nowrap;   /* 不换行，保持一行 */
    gap: 10px;
  }
  
  /* 进一步缩小卡片内边距和模块间距 */

  .early-bird-container {
    gap: 14px;
  }

  /* 移动端去掉多余左间距，使用 gap 控制 */
  .early-bird-btn--secondary {
    margin-left: 0;
  }
  
  .early-bird-media-inner {
    min-height: 180px; /* 再降低，减少留白 */
  }
  .early-bird-image {
    object-fit: cover;  /* 填满容器，避免四周空白 */
  }
}

/* ========================================
   Animation Enhancements
======================================== */

/* Smooth transitions for hover effects */
.early-bird-media-inner {
  transition: transform 0.3s ease;
}

.early-bird-media:hover .early-bird-media-inner {
  transform: scale(1.02);
}

/* Button hover improvements */
.early-bird-btn {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.early-bird-btn:active {
  transform: translateY(0);
}

/* Loading states */
.early-bird-image {
  transition: opacity 0.3s ease;
}

.early-bird-image.lazyload {
  opacity: 0;
}

.early-bird-image.lazyloaded {
  opacity: 1;
}

/* ========================================
   Accessibility & Performance
======================================== */

/* Focus states */
.early-bird-btn:focus {
  color: #fff;
  outline: 2px solid #5684A7;
  outline-offset: 2px;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .early-bird-media-inner,
  .early-bird-btn,
  .early-bird-image {
    transition: none;
  }
  
  .early-bird-media:hover .early-bird-media-inner {
    transform: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .early-bird-label {
    border: 2px solid currentColor;
  }
  
  .early-bird-btn {
    border: 2px solid currentColor;
  }
}


/* 主题样式变体：boxed (暗色大横幅) / hero (浅色卡片) */
.early-bird-section.theme-style-boxed {
  background: #373737;
  color: #e6e6e6;
  border-radius: 12px;
  padding: 28px;
}

.early-bird-section.theme-style-boxed .early-bird-container {
  background: transparent;
}

.early-bird-section.theme-style-boxed .early-bird-heading {
  color: #ffffff;
  font-weight: 700;
}

.early-bird-section.theme-style-boxed .feature-text {
  color: #A6A6A6;
}

.early-bird-section.theme-style-hero {
  background: #f6f6f6;
  color: #111213;
  border-radius: 12px;
  padding: 28px;
}

.early-bird-section.theme-style-hero .early-bird-media-inner {
  border-radius: 12px;
}

/* 调整图片圆角和容器边框以匹配截图 */
.early-bird-media-inner img, .early-bird-media-inner picture {
  border-radius: 12px;
  display: block;
  width: 100%;
  height: auto;
}

/* 按钮变体 */
.early-bird-btn--primary {
  background: linear-gradient(90deg, #072A45 0%, #5684A7 100%);
  color: #fff;
  padding: 12px 22px;
  border-radius: 28px;
  text-decoration: none;
  display: inline-block;
}

.early-bird-btn--secondary {
  background: transparent;
  border: 1px solid rgba(31,70,101,0.2);
  color: inherit;
  padding: 10px 20px;
  border-radius: 28px;
  text-decoration: none;
  display: inline-block;
  margin-left: 12px;
}

.early-bird-section.theme-style-boxed .early-bird-btn--secondary {
  color: #ffffff;
  border-color: #ffffff;
}

/* 覆盖：极小屏下按钮不换行且更紧凑，防止文字挤压换行 */
@media screen and (max-width: 480px) {
  .early-bird-buttons { 
    gap: 8px; 
  }
  .early-bird-btn {
    font-size: 13px;
    padding: 10px 12px; /* 更小的内边距 */
    white-space: nowrap; /* 不换行 */
    overflow: hidden;        /* 超出隐藏 */
    text-overflow: ellipsis; /* 超出省略号 */
  }
  .early-bird-btn--primary,
  .early-bird-btn--secondary {
    padding: 10px 12px; /* 覆盖下方通用变体的 padding */
  }
  .early-bird-btn--secondary { 
    margin-left: 0; 
  }
}

/* 更小屏（例如 320px）再压缩一次，尽量避免换行 */
@media screen and (max-width: 360px) {
  .early-bird-buttons { 
    gap: 6px; 
  }
  .early-bird-btn {
    font-size: 12px;
    padding: 9px 10px;
  }
  .early-bird-btn--primary,
  .early-bird-btn--secondary {
    padding: 9px 10px;
  }
}