/* AIBlack.Tech - 赛博朋克风格样式 */

/* CSS 变量定义 */
:root {
  --primary-bg: #0a0a14;
  --secondary-bg: #1a1a2e;
  --accent-purple: #7b68ee;
  --accent-cyan: #00d2ff;
  --accent-magenta: #ff00ff;
  --text-primary: #ffffff;
  --text-secondary: #b8b8d1;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glow-purple: 0 0 20px rgba(123, 104, 238, 0.5);
  --glow-cyan: 0 0 20px rgba(0, 210, 255, 0.5);
  --glow-magenta: 0 0 20px rgba(255, 0, 255, 0.5);
}

/* 基础样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Source Han Sans CN', 'Noto Sans CJK SC', 'WenQuanYi Micro Hei', sans-serif;
  background: var(--primary-bg);
  color: var(--text-primary);
  overflow-x: hidden;
  position: relative;
  line-height: 1.6;
}

/* 矩阵背景动画 */
#matrix-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  opacity: 0.1;
}

/* 鼠标跟随光晕 */
#mouse-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(123, 104, 238, 0.1) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
}

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(26, 26, 46, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: all 0.3s ease;
  padding: 0 2rem;
}

.navbar.scrolled {
  background: rgba(26, 26, 46, 0.95);
  box-shadow: var(--glow-purple);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent-cyan);
  text-shadow: var(--glow-cyan);
  text-decoration: none;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  padding: 0.5rem 1rem;
  border-radius: 8px;
}

.nav-links a:hover {
  color: var(--accent-purple);
  text-shadow: var(--glow-purple);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
}

/* 移动端导航 */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* 主要内容区域 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* 玻璃卡片效果 */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 15px;
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent, rgba(123, 104, 238, 0.1), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--glow-purple);
  border-color: var(--accent-purple);
}

.glass-card:hover::before {
  opacity: 1;
}

/* Hero 区域 */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: linear-gradient(45deg, var(--primary-bg), var(--secondary-bg));
}

.hero-content {
  z-index: 2;
  max-width: 800px;
}

.hero h1 {
  font-size: 4rem;
  font-weight: bold;
  background: linear-gradient(45deg, var(--accent-purple), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  text-shadow: var(--glow-purple);
}

.hero .subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeInUp 1s ease 0.5s forwards;
}

/* 打字机效果 */
.typewriter {
  border-right: 2px solid var(--accent-cyan);
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50% { border-color: var(--accent-cyan); }
  51%, 100% { border-color: transparent; }
}

/* 按钮样式 */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  background: linear-gradient(45deg, var(--accent-purple), var(--accent-cyan));
  color: white;
  text-decoration: none;
  border-radius: 50px;
  font-weight: bold;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

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

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-purple);
}

/* 区域样式 */
.section {
  padding: 5rem 0;
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease;
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  background: linear-gradient(45deg, var(--accent-purple), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 网格布局 */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* 产品卡片 */
.product-card {
  text-align: center;
  padding: 2rem;
  height: 100%;
}

.product-card .icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--accent-cyan);
  text-shadow: var(--glow-cyan);
}

.product-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--accent-purple);
}

.product-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 技术展示区 */
.tech-showcase {
  background: var(--secondary-bg);
  border-radius: 15px;
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.tech-item {
  padding: 1rem;
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.tech-item:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

.tech-item .number {
  font-size: 2rem;
  font-weight: bold;
  color: var(--accent-cyan);
  display: block;
}

.tech-item .label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

/* 博客卡片 */
.blog-card {
  position: relative;
  overflow: hidden;
  height: 100%;
  cursor: pointer;
}

.blog-card .meta {
  color: var(--accent-cyan);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.blog-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.blog-card .excerpt {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Footer */
.footer {
  background: var(--secondary-bg);
  padding: 3rem 0;
  text-align: center;
  border-top: 1px solid var(--glass-border);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  color: var(--accent-purple);
  margin-bottom: 1rem;
}

.footer-section a {
  color: var(--text-secondary);
  text-decoration: none;
  display: block;
  margin-bottom: 0.5rem;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--accent-cyan);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.social-links a {
  color: var(--accent-cyan);
  font-size: 1.5rem;
  transition: all 0.3s ease;
}

.social-links a:hover {
  color: var(--accent-magenta);
  text-shadow: var(--glow-magenta);
}

/* 工具页面特殊样式 */
.tool-categories {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.category-btn {
  padding: 0.5rem 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.category-btn.active,
.category-btn:hover {
  background: var(--accent-purple);
  color: white;
  box-shadow: var(--glow-purple);
}

.tool-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
}

.tool-card .tool-icon {
  font-size: 2rem;
  color: var(--accent-cyan);
  min-width: 60px;
  text-align: center;
}

.tool-card .tool-info h3 {
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.tool-card .tool-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* 关于页面样式 */
.about-hero {
  text-align: center;
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--primary-bg), var(--secondary-bg));
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.team-member {
  text-align: center;
  padding: 2rem;
  border-radius: 15px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
}

.member-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(45deg, var(--accent-purple), var(--accent-cyan));
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
}

/* 动画定义 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes glow {
  0%, 100% { box-shadow: var(--glow-purple); }
  50% { box-shadow: var(--glow-cyan); }
}

.floating {
  animation: float 3s ease-in-out infinite;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    transition: left 0.3s ease;
  }

  .nav-links.active {
    left: 0;
  }

  .nav-toggle {
    display: block;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero .subtitle {
    font-size: 1.2rem;
  }

  .container {
    padding: 0 1rem;
  }

  .section {
    padding: 3rem 0;
  }

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

  .grid {
    gap: 1rem;
  }

  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .tool-categories {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .tech-grid {
    grid-template-columns: 1fr;
  }

  .glass-card {
    padding: 1.5rem;
  }
}

/* 特殊效果 */
.circuit-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.1;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(123, 104, 238, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 210, 255, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(255, 0, 255, 0.3) 0%, transparent 50%);
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--primary-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-purple);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}