/* 
 * 安阳码客网络科技有限公司官网样式
 * 科技蓝主题 - 现代化扁平设计
 */

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

:root {
  /* 主色调 - 科技蓝 */
  --primary: hsl(210, 100%, 50%);
  --primary-dark: hsl(210, 100%, 40%);
  --primary-light: hsl(210, 100%, 60%);
  --primary-glow: hsl(210, 100%, 65%);
  
  /* 次要色 */
  --secondary: hsl(220, 15%, 25%);
  --secondary-light: hsl(220, 15%, 35%);
  
  /* 强调色 */
  --accent: hsl(210, 100%, 60%);
  
  /* 背景色 */
  --background: hsl(0, 0%, 100%);
  --background-muted: hsl(210, 20%, 98%);
  
  /* 文字色 */
  --foreground: hsl(220, 15%, 20%);
  --muted-foreground: hsl(220, 10%, 50%);
  
  /* 边框色 */
  --border: hsl(220, 13%, 91%);
  
  /* 卡片 */
  --card: hsl(0, 0%, 100%);
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  
  /* 过渡 */
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--foreground);
  background-color: var(--background);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ========== 导航栏 ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
}

.navbar-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  background: linear-gradient(135deg, var(--primary), var(--primary-glow));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.navbar-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.navbar-menu a {
  color: var(--foreground);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.navbar-menu a:hover {
  color: var(--primary);
}

.navbar-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.navbar-menu a:hover::after {
  width: 100%;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--foreground);
}

/* ========== Hero 区域 ========== */
.hero {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, var(--background-muted) 0%, var(--background) 100%);
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-glow));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: var(--muted-foreground);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-glow));
  color: white;
}

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

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

.btn-ghost {
  background: transparent;
  color: var(--foreground);
}

.btn-ghost:hover {
  background: var(--background-muted);
}

/* ========== 区块通用样式 ========== */
.section {
  padding: 4rem 0;
}

.section-muted {
  background-color: var(--background-muted);
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-title p {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  max-width: 600px;
  margin: 0 auto;
}

/* ========== 卡片 ========== */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-xl);
}

.card-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.card:hover .card-image {
  transform: scale(1.05);
}

.card-header {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card-content {
  padding: 0 1.5rem 1.5rem;
}

/* ========== 徽章 ========== */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 9999px;
  background: var(--primary);
  color: white;
}

.badge-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--foreground);
}

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

.grid-cols-1 {
  grid-template-columns: repeat(1, 1fr);
}

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

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ========== 产品案例 ========== */
.case-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.feature-icon {
  color: var(--primary);
  flex-shrink: 0;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--muted-foreground);
}

/* ========== 关于我们 ========== */
.about-content {
  margin-bottom: 3rem;
}

.about-text {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  line-height: 1.8;
  margin-bottom: 2rem;
}

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

.value-card {
  text-align: center;
  padding: 2rem;
}

.value-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-glow));
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
}

.value-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.value-content {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

/* ========== 联系我们 ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-glow));
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.contact-details h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.contact-details p {
  color: var(--muted-foreground);
}

/* ========== 表单 ========== */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  color: #ef4444;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* ========== 页脚 ========== */
.footer {
  background-color: var(--secondary);
  color: white;
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer h3 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a,
.footer-links button {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
  transition: var(--transition);
  padding: 0;
  text-align: left;
}

.footer-links a:hover,
.footer-links button:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* ========== 案例详情页 ========== */
.case-hero {
  padding: 8rem 0 4rem;
  background-color: var(--background-muted);
}

.case-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.case-hero-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-xl);
}

.case-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.info-card {
  padding: 1.5rem;
}

.info-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.info-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-glow));
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.info-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.info-details span:first-child {
  color: var(--muted-foreground);
}

.info-details span:last-child {
  font-weight: 500;
}

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.screenshot-card {
  overflow: hidden;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
}

.screenshot-image {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.screenshot-card:hover .screenshot-image {
  transform: scale(1.05);
}

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

.achievement-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.achievement-icon {
  color: var(--primary);
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.cta-section {
  text-align: center;
  margin-top: 3rem;
  padding: 3rem;
  background-color: var(--background-muted);
  border-radius: 0.75rem;
}

.cta-section h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.cta-section p {
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
}

/* ========== 响应式设计 ========== */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .section-title h2 {
    font-size: 2rem;
  }
  
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-grid,
  .case-hero-grid {
    grid-template-columns: 1fr;
  }
  
  .case-info-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .navbar-menu {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .navbar-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    gap: 1rem;
  }
  
  .hero {
    padding: 6rem 0 3rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .section-title h2 {
    font-size: 1.75rem;
  }
  
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .screenshots-grid {
    grid-template-columns: 1fr;
  }
  
  .achievements-grid {
    grid-template-columns: 1fr;
  }
  
  .case-hero {
    padding: 6rem 0 3rem;
  }
}

/* ========== 工具类 ========== */
.text-center {
  text-align: center;
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.hidden {
  display: none;
}