/* 北京报规设计服务网站样式 - 美观版 */

/* 基础变量 */
:root {
  /* 主色调 - 渐变蓝 */
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  
  /* 辅助色 */
  --secondary-color: #10b981;
  --secondary-dark: #059669;
  --secondary-light: #d1fae5;
  
  /* 强调色 */
  --accent-color: #f59e0b;
  --accent-dark: #d97706;
  --accent-light: #fef3c7;
  
  /* 中性色 */
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-white: #ffffff;
  
  /* 背景色 */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-dark: #0f172a;
  --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  
  /* 边框色 */
  --border-color: #e2e8f0;
  --border-dark: #cbd5e1;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* 圆角 */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* 间距 - 紧凑版 */
  --spacing-xs: 0.2rem;
  --spacing-sm: 0.4rem;
  --spacing-md: 0.75rem;
  --spacing-lg: 1rem;
  --spacing-xl: 1.5rem;
  --spacing-2xl: 2rem;
  --spacing-3xl: 3rem;
  --spacing-4xl: 4rem;
}

/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* 基础组件 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
  line-height: 1.5;
  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;
}

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

.btn-primary {
  background: var(--primary-gradient);
  color: var(--text-white);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.5);
}

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

.btn-outline:hover {
  background: var(--primary-gradient);
  color: var(--text-white);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: 1.125rem;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 1000;
  padding: var(--spacing-md) 0;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-lg);
}

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

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--text-primary);
}

.brand-icon {
  width: 45px;
  height: 45px;
  background: var(--primary-gradient);
  color: var(--text-white);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.5rem;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.brand-text {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
}

.navbar-nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: all 0.3s ease;
  padding: var(--spacing-sm) 0;
  position: relative;
}

.navbar-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--primary-gradient);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--primary-color);
}

.navbar-nav a:hover::after,
.navbar-nav a.active::after {
  width: 100%;
}

.navbar-contact {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.navbar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
}

/* 英雄区域 */
.hero {
  padding: 150px 0 100px;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 200%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  padding-top: 20px;
}

.hero-badge {
  display: inline-block;
  background: var(--primary-gradient);
  color: var(--text-white);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-xl);
  color: var(--text-primary);
}

.hero-title .highlight {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-3xl);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--border-color);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: -30px;
}

.hero-card {
  background: white;
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  width: 340px;
}

.hero-card-row {
  display: flex;
  gap: 14px;
  margin-bottom: 14px;
}

.hero-card-row:last-child {
  margin-bottom: 0;
}

.hero-card-item {
  flex: 1;
  background: #f8fafc;
  border-radius: 12px;
  padding: 24px 16px;
  text-align: center;
  transition: all 0.2s ease;
}

.hero-card-item:hover {
  background: #eef2ff;
  transform: translateY(-2px);
}

.hero-card-item.full {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero-card-item.full span {
  color: white;
}

.hero-card-item.full i {
  color: white;
}

.hero-card-item i {
  font-size: 1.75rem;
  color: #2563eb;
  margin-bottom: 10px;
  display: block;
}

.hero-card-item span {
  font-size: 1rem;
  font-weight: 600;
  color: #1e293b;
}

/* 章节头部 */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-badge {
  display: inline-block;
  background: var(--primary-gradient);
  color: var(--text-white);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.section-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* 服务概览 */
.services-overview {
  padding: var(--spacing-4xl) 0;
  background-color: var(--bg-primary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-xl);
}

.service-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.service-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-2xl);
  transform: translateY(-10px);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 70px;
  height: 70px;
  background: var(--primary-gradient);
  color: var(--text-white);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.service-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.service-description {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.service-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.feature-tag {
  background-color: var(--primary-light);
  color: var(--primary-color);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: gap 0.3s ease;
}

.service-link:hover {
  gap: var(--spacing-md);
}

/* 流程概览 */
.process-overview {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step::after {
  content: '';
  position: absolute;
  top: 35px;
  right: -25px;
  width: 50px;
  height: 3px;
  background: var(--primary-gradient);
  border-radius: 2px;
}

.process-step:last-child::after {
  display: none;
}

.step-number {
  width: 70px;
  height: 70px;
  background: var(--primary-gradient);
  color: var(--text-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 auto var(--spacing-lg);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  min-height: 3.2em;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.step-title small {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-top: var(--spacing-xs);
}

.step-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  min-height: 4.5em;
}

.process-cta {
  text-align: center;
}

/* 优势展示 */
.advantages {
  padding: var(--spacing-4xl) 0;
  background-color: var(--bg-primary);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
}

.advantage-card {
  text-align: center;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  transition: all 0.4s ease;
  background: var(--bg-primary);
}

.advantage-card:hover {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.advantage-icon {
  width: 90px;
  height: 90px;
  background: var(--primary-gradient);
  color: var(--text-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto var(--spacing-lg);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.advantage-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.advantage-description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 案例展示 */
.cases-preview {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.case-card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.case-card:hover {
  box-shadow: var(--shadow-2xl);
  transform: translateY(-15px);
}

.case-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.case-card:hover .case-image img {
  transform: scale(1.1);
}

.case-tag {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  background: var(--primary-gradient);
  color: var(--text-white);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.case-content {
  padding: var(--spacing-xl);
}

.case-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.case-description {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.case-result {
  display: flex;
  gap: var(--spacing-lg);
}

.result-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.9375rem;
  color: var(--secondary-color);
  font-weight: 600;
}

.cases-cta {
  text-align: center;
}

/* CTA区域 */
.cta-section {
  padding: var(--spacing-4xl) 0;
  background: var(--primary-gradient);
  color: var(--text-white);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 80%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite;
}

.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
}

.cta-subtitle {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-2xl);
}

.cta-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
}

.cta-section .btn-primary {
  background: var(--text-white);
  color: var(--primary-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-section .btn-primary:hover {
  background: var(--bg-secondary);
  transform: translateY(-3px);
}

.cta-section .btn-outline {
  border-color: var(--text-white);
  color: var(--text-white);
}

.cta-section .btn-outline:hover {
  background: var(--text-white);
  color: var(--primary-color);
  transform: translateY(-3px);
}

/* 页脚 */
.footer {
  background-color: var(--bg-dark);
  color: var(--text-white);
  padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .brand-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.footer-brand .brand-icon {
  background: var(--primary-gradient);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.footer-brand .brand-text {
  color: var(--text-white);
  -webkit-text-fill-color: var(--text-white);
}

.brand-description {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

.footer-links h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--text-white);
}

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

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.footer-links a:hover {
  color: var(--text-white);
  padding-left: 5px;
}

.footer-contact h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--text-white);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  color: rgba(255, 255, 255, 0.7);
  font-size: 1rem;
}

.contact-item i {
  width: 20px;
  color: var(--accent-color);
}

.footer-qr {
  margin: var(--spacing-md) 0;
  text-align: left;
}

.footer-qr img {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-md);
  background: white;
  padding: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-xl);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.5);
}

/* 移动端导航 */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 300px;
  height: 100vh;
  background-color: var(--bg-primary);
  z-index: 2000;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-2xl);
}

.mobile-nav.active {
  transform: translateX(0);
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.mobile-nav-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
}

.mobile-nav-links {
  list-style: none;
  padding: var(--spacing-xl);
}

.mobile-nav-links li {
  margin-bottom: var(--spacing-md);
}

.mobile-nav-links a {
  display: block;
  padding: var(--spacing-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
  background: var(--primary-gradient);
  color: var(--text-white);
}

.mobile-nav-contact {
  padding: var(--spacing-xl);
  border-top: 1px solid var(--border-color);
}

.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-visual {
    display: none;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .process-timeline {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .process-step::after {
    display: none;
  }
  
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .navbar-nav {
    display: none;
  }
  
  .navbar-contact {
    display: none;
  }
  
  .navbar-toggle {
    display: block;
  }
  
  .hero {
    padding: 120px 0 80px;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .process-timeline {
    grid-template-columns: 1fr;
  }
  
  .advantages-grid {
    grid-template-columns: 1fr;
  }
  
  .cases-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-title {
    font-size: 2.5rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
  }
  
  .cta-actions {
    flex-direction: column;
  }
}