/* ========================================
   百朵云科技官网 - 暗黑科技风格
   ======================================== */

/* --- CSS 变量 --- */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(124, 58, 237, 0.4);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-purple: #7c3aed;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-light: #a78bfa;
  --gradient-primary: linear-gradient(135deg, #7c3aed, #3b82f6);
  --gradient-hero: linear-gradient(180deg, #0a0a0f 0%, #1a1a2e 50%, #0a0a0f 100%);
  --glow-purple: 0 0 30px rgba(124, 58, 237, 0.15);
  --glow-blue: 0 0 30px rgba(59, 130, 246, 0.15);
  --radius: 16px;
  --radius-sm: 8px;
  --radius-pill: 9999px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* --- 滚动条 --- */
::-webkit-scrollbar {
  width: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: rgba(124, 58, 237, 0.3);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(124, 58, 237, 0.5);
}

/* --- 通用组件 --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 16px;
  padding: 6px 16px;
  border: 1px solid rgba(167, 139, 250, 0.2);
  border-radius: var(--radius-pill);
  background: rgba(124, 58, 237, 0.08);
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* --- 滚动动画 --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* --- 导航栏 --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 12px 0;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
}

.nav-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition);
  border-radius: 1px;
}

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

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

.nav-cta {
  padding: 8px 20px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  color: white !important;
  transition: opacity var(--transition), transform var(--transition);
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  overflow: hidden;
}

#particles-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--accent-light);
  margin-bottom: 24px;
  padding: 8px 20px;
  border: 1px solid rgba(167, 139, 250, 0.2);
  border-radius: var(--radius-pill);
  background: rgba(124, 58, 237, 0.08);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.hero-title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

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

.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--glow-purple);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(124, 58, 237, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
}

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

.stat-number {
  font-size: 32px;
  font-weight: 800;
  font-family: var(--font-mono);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* 向下滚动指示器 */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: bounce 2s infinite;
}

.scroll-indicator span {
  display: block;
  width: 24px;
  height: 24px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  opacity: 0.4;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-8px); }
  60% { transform: translateX(-50%) translateY(-4px); }
}

/* --- 服务项目 --- */
#services {
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  transition: all var(--transition);
  overflow: hidden;
  cursor: default;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--glow-purple);
}

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

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.15);
}

.service-card:nth-child(2) .service-icon {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.15);
}

.service-card:nth-child(3) .service-icon {
  background: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.15);
}

.service-card:nth-child(4) .service-icon {
  background: rgba(234, 179, 8, 0.1);
  border-color: rgba(234, 179, 8, 0.15);
}

.service-card:nth-child(5) .service-icon {
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.15);
}

.service-card:nth-child(6) .service-icon {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.15);
}

.service-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.service-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.service-tags span {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

/* --- 技术栈 --- */
.tech-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.tech-desc h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

.tech-desc p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 24px;
}

.tech-highlights {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tech-highlight-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

.tech-highlight-item .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient-primary);
  flex-shrink: 0;
}

.tech-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.tech-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
  cursor: default;
}

.tech-pill:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--glow-purple);
}

.tech-pill .tech-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

/* --- 案例展示 --- */
#cases {
  background: var(--bg-secondary);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  transition: all var(--transition);
  cursor: default;
}

.case-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--glow-purple);
}

.case-cover {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  position: relative;
  overflow: hidden;
}

.case-card:nth-child(1) .case-cover {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(59, 130, 246, 0.1));
}

.case-card:nth-child(2) .case-cover {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(34, 197, 94, 0.1));
}

.case-card:nth-child(3) .case-cover {
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.15), rgba(239, 68, 68, 0.1));
}

.case-body {
  padding: 24px;
}

.case-category {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-light);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.case-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.case-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.case-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.case-tech span {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.15);
  color: var(--accent-light);
}

/* --- 价格方案 --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  padding: 36px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  transition: all var(--transition);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--glow-purple);
}

.pricing-card.featured {
  border-color: rgba(124, 58, 237, 0.4);
  background: rgba(124, 58, 237, 0.05);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--gradient-primary);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.pricing-name {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
  font-family: var(--font-mono);
}

.pricing-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.pricing-features li .check {
  color: var(--accent-cyan);
  font-size: 16px;
  flex-shrink: 0;
}

.pricing-btn {
  display: block;
  width: 100%;
  padding: 12px;
  text-align: center;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
}

.pricing-btn:hover {
  border-color: var(--border-hover);
  background: rgba(124, 58, 237, 0.08);
}

.pricing-card.featured .pricing-btn {
  background: var(--gradient-primary);
  border: none;
  color: white;
}

.pricing-card.featured .pricing-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* --- FAQ --- */
#faq {
  background: var(--bg-secondary);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item:hover,
.faq-item.active {
  border-color: var(--border-hover);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  background: var(--bg-card);
  font-size: 15px;
  font-weight: 500;
  transition: background var(--transition);
  user-select: none;
}

.faq-question:hover {
  background: rgba(255, 255, 255, 0.04);
}

.faq-arrow {
  font-size: 12px;
  color: var(--text-muted);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* --- 联系我们 --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.contact-info > p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 32px;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  transition: all var(--transition);
}

.contact-item:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.15);
  flex-shrink: 0;
}

.contact-item:nth-child(2) .contact-icon {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.15);
}

.contact-item:nth-child(3) .contact-icon {
  background: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.15);
}

.contact-detail .contact-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-detail .contact-value {
  font-size: 15px;
  font-weight: 500;
}

.contact-qr {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.qr-card {
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  text-align: center;
  transition: all var(--transition);
}

.qr-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow-purple);
}

.qr-card img {
  width: 100%;
  max-width: 200px;
  margin: 0 auto 16px;
  border-radius: var(--radius-sm);
}

.qr-card .qr-label {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.qr-card .qr-hint {
  font-size: 12px;
  color: var(--text-muted);
}

/* --- Footer --- */
.footer {
  padding: 48px 0 24px;
  border-top: 1px solid var(--border-subtle);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
}

.footer-logo .logo-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  font-size: 13px;
  color: var(--text-muted);
}

.footer-bottom .heart {
  color: var(--accent-purple);
}

/* --- 响应式 --- */
@media (max-width: 1024px) {
  .services-grid,
  .cases-grid,
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tech-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    z-index: 999;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 20px;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .services-grid,
  .cases-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-qr {
    grid-template-columns: 1fr 1fr;
  }

  .footer-content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 28px;
  }

  .contact-qr {
    grid-template-columns: 1fr;
  }
}