/**
 * Home Page Styles
 * 首页样式
 */

/* 全局噪点质感 - 梦想家风格 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* 标题使用衬线体 - 更有高级感 */
.hero-title,
.motto-section h2,
.organization-section h2,
.projects-section h2,
.facts-section h2,
.timeline-section h2,
.gallery-section h2,
.contact-section h2,
.ending-text {
  font-family: var(--font-serif);
}

/* Hero Section */
.hero-section {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--navbar-height);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

@media (min-width: 768px) {
  .hero-content {
    grid-template-columns: 300px 1fr;
  }
}

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

.avatar-image {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--color-primary);
  box-shadow: var(--shadow-xl);
}

.hero-title {
  font-size: var(--text-5xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}

.hero-intro p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-md);
}

/* Motto Section */
.motto-section {
  background-color: var(--color-surface);
}

.motto-card {
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--color-primary);
}

.motto-card p {
  font-size: var(--text-lg);
  font-style: italic;
  line-height: var(--leading-relaxed);
}

.motto2-card {
  text-align: center;
}

/* Organization Section */
.organization-section h2,
.projects-section h2,
.facts-section h2,
.timeline-section h2,
.gallery-section h2,
.contact-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--color-primary);
}

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

.org-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal),
              box-shadow var(--transition-normal);
}

.org-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.org-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.org-link {
  display: inline-block;
  margin-top: var(--spacing-md);
  color: var(--color-primary);
  font-weight: 500;
}

.org-link:hover {
  text-decoration: underline;
}

/* Facts Section */
.facts-section {
  background-color: var(--color-surface);
}

.facts-content {
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
}

.facts-content h3 {
  color: var(--color-text);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}

.facts-content h3:first-child {
  margin-top: 0;
}

.facts-content p {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-md);
}

.facts-content ol {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.facts-content li {
  margin-bottom: var(--spacing-sm);
}

/* Projects Section */
.projects-section {
  background-color: var(--color-surface);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.project-card {
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal),
              box-shadow var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.project-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.project-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: var(--leading-relaxed);
}

.project-link {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 500;
}

.project-link:hover {
  text-decoration: underline;
}

/* Timeline Section */
.timeline-section {
  background-color: var(--color-surface);
  overflow: hidden;
}

.timeline-container {
  position: relative;
  padding: var(--spacing-2xl) 0;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  cursor: grab;
}

.timeline-container:active {
  cursor: grabbing;
}

.timeline-wrapper {
  display: inline-flex;
  min-width: 100%;
  padding: 0 var(--spacing-2xl);
}

.timeline-track {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 60px;
  padding-bottom: 40px;
}

.timeline-line {
  position: absolute;
  bottom: 30px;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: 2px;
  box-shadow: 0 0 20px rgba(0, 166, 126, 0.5);
}

.timeline-node {
  position: relative;
  min-width: 280px;
  padding-bottom: 40px;
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.timeline-node:nth-child(1) { animation-delay: 0.1s; }
.timeline-node:nth-child(2) { animation-delay: 0.2s; }
.timeline-node:nth-child(3) { animation-delay: 0.3s; }
.timeline-node:nth-child(4) { animation-delay: 0.4s; }
.timeline-node:nth-child(5) { animation-delay: 0.5s; }
.timeline-node:nth-child(6) { animation-delay: 0.6s; }
.timeline-node:nth-child(7) { animation-delay: 0.7s; }
.timeline-node:nth-child(8) { animation-delay: 0.8s; }
.timeline-node:nth-child(9) { animation-delay: 0.9s; }
.timeline-node:nth-child(10) { animation-delay: 1s; }
.timeline-node:nth-child(11) { animation-delay: 1.1s; }

.timeline-dot {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background-color: var(--color-background);
  border: 4px solid var(--color-primary);
  border-radius: 50%;
  z-index: 2;
  transition: all var(--transition-normal);
  box-shadow: 0 0 10px rgba(0, 166, 126, 0.5);
}

.timeline-node:hover .timeline-dot {
  transform: translateX(-50%) scale(1.3);
  background-color: var(--color-primary);
  box-shadow: 0 0 20px rgba(0, 166, 126, 0.8);
}

.timeline-card {
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  position: relative;
}

.timeline-card::after {
  content: '';
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 12px solid var(--color-border);
  transition: all var(--transition-normal);
}

.timeline-node:hover .timeline-card {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.timeline-node:hover .timeline-card::after {
  border-top-color: var(--color-primary);
}

.timeline-date {
  font-weight: 600;
  color: var(--color-primary);
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-sm);
}

.timeline-content {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.timeline-scroll-hint {
  display: flex;
  justify-content: space-between;
  padding: 0 var(--spacing-2xl);
  margin-top: var(--spacing-lg);
}

.scroll-hint {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.scroll-hint:hover {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Gallery Section */
.gallery-section {
  background-color: var(--color-surface);
}

.gallery-description {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: transform var(--transition-normal);
}

.gallery-item:hover {
  transform: scale(1.02);
}

.gallery-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.gallery-item-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: white;
  padding: var(--spacing-md);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.gallery-item:hover .gallery-item-info {
  opacity: 1;
}

/* Contact Section */
.contact-section {
  background-color: var(--color-surface);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.contact-form textarea {
  width: 100%;
  min-height: 150px;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  resize: vertical;
  margin-bottom: var(--spacing-md);
}

.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 166, 126, 0.1);
}

.contact-form button {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-xl);
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.contact-form button:hover {
  background-color: var(--color-primary-hover);
}

/* Ending Section */
.ending-section {
  text-align: center;
  background-color: var(--color-surface);
}

.ending-text {
  font-size: var(--text-2xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.footer-text {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}