*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #0D8A7B;
  --primary-dark: #0A6B5E;
  --primary-darker: #084D44;
  --primary-light: #E6F7F4;
  --primary-lighter: #F0FAF8;

  --accent: #E8652B;
  --accent-light: #FFF0EA;

  --text-primary: #1A2332;
  --text-secondary: #5A6577;
  --text-tertiary: #8896A6;
  --border: #E2E8F0;
  --border-light: #F0F3F7;
  --bg-white: #FFFFFF;
  --bg-section: #F8FAFB;
  --bg-section-alt: #F1F5F4;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  --max-width: 1200px;
  --header-height: 72px;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background 0.4s ease,
    border-color 0.4s ease,
    box-shadow 0.4s ease,
    backdrop-filter 0.4s ease,
    -webkit-backdrop-filter 0.4s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border-bottom-color: rgba(226, 232, 240, 0.8);
  box-shadow: 0 1px 16px rgba(0, 0, 0, 0.08);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-area img {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: filter 0.4s ease;
}

.site-header.scrolled .logo-area img {
  filter: none;
}

.logo-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 13px;
  letter-spacing: 0.2px;
  white-space: nowrap;
  opacity: 0.95;
  transition: color 0.4s ease, opacity 0.3s ease, transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.site-header.scrolled .logo-text {
  color: var(--primary-dark);
  opacity: 0;
  transform: translateY(-6px);
  border-color: transparent;
  background: rgba(255, 255, 255, 0.08);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-sm);
  transition: color 0.3s ease, background 0.3s ease;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.site-header.scrolled .nav-links a {
  color: var(--text-secondary);
}
.site-header.scrolled .nav-links a.nav-cta {
  color: #fff;
}

.site-header.scrolled .nav-links a:hover,
.site-header.scrolled .nav-links a.active {
  color: var(--primary);
  background: var(--primary-lighter);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 1px;
  transition: background 0.4s ease;
}

.site-header.scrolled .nav-links a.active::after {
  background: var(--primary);
}

.nav-cta {
  margin-left: 12px;
  padding: 9px 24px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  color: #fff;
  transition: background 0.3s ease, transform var(--transition-fast), border-color 0.3s ease;
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.5);
}

.nav-cta:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
}

.site-header.scrolled .nav-cta {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.site-header.scrolled .nav-cta:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

.mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.mobile-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.site-header.scrolled .mobile-toggle:hover {
  background: var(--bg-section);
}

.hamburger {
  width: 22px;
  height: 16px;
  position: relative;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  border-radius: 1px;
  position: absolute;
  left: 0;
  transition: all var(--transition-base);
}

.site-header.scrolled .hamburger span {
  background: var(--text-primary);
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 7px; }
.hamburger span:nth-child(3) { top: 14px; }

.mobile-toggle.open .hamburger span:nth-child(1) {
  transform: rotate(45deg);
  top: 7px;
}
.mobile-toggle.open .hamburger span:nth-child(2) {
  opacity: 0;
}
.mobile-toggle.open .hamburger span:nth-child(3) {
  transform: rotate(-45deg);
  top: 7px;
}

.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 999;
  padding: 24px;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  pointer-events: none;
}

.mobile-nav.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.mobile-nav a {
  display: block;
  padding: 16px 0;
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-light);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.mobile-nav a:hover {
  color: var(--primary);
  padding-left: 8px;
}

.mobile-nav-cta {
  display: inline-block;
  margin-top: 24px;
  padding: 14px 32px;
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-md);
  width: 100%;
  text-align: center;
}

.hero {
  position: relative;
  min-height: 106vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  background: linear-gradient(135deg, #0A6B5E 0%, #0D8A7B 40%, #12A08F 70%, #0D8A7B 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg-white) 0%, transparent 100%);
  pointer-events: none;
  z-index: 1;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-circle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.hero-circle-1 {
  width: 400px;
  height: 400px;
  top: -100px;
  right: -100px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  animation: float 8s ease-in-out infinite;
}

.hero-circle-2 {
  width: 300px;
  height: 300px;
  bottom: 10%;
  left: -80px;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
  animation: float 10s ease-in-out infinite reverse;
}

.hero-circle-3 {
  width: 200px;
  height: 200px;
  top: 30%;
  right: 15%;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.02); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 140px 24px;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 40px;
  color: rgba(255,255,255,0.9);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 28px;
  backdrop-filter: blur(4px);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ADE80;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

.hero #hero-heading {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero h1 .highlight {
  position: relative;
  display: inline-block;
}

.hero h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
  height: 8px;
  background: rgba(255,255,255,0.2);
  border-radius: 4px;
}

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255,255,255,0.82);
  line-height: 1.8;
  max-width: 600px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: #fff;
  color: var(--primary-dark);
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0,0,0,0.2);
}

.btn-primary svg {
  transition: transform var(--transition-fast);
}

.btn-primary:hover svg {
  transform: translateX(3px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1.5px solid rgba(255,255,255,0.35);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
  max-width: 600px;
}

.hero-stat {
  text-align: left;
}

.hero-stat-value {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.hero-stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  margin-top: 4px;
}

.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--bg-section);
}

.section-primary-light {
  background: var(--primary-lighter);
}

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 40px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.3px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.4;
}

.about-text p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.about-feature-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.about-feature-text h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.about-feature-text p {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 0;
  line-height: 1.5;
}

.about-visual {
  position: relative;
}

.about-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.about-card-tag {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.about-card h3 {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 24px;
}

.about-card-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.about-card-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: rgba(255,255,255,0.88);
}

.about-card-item svg {
  flex-shrink: 0;
  color: #4ADE80;
}

.about-card-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.15);
}

.about-card-stat-value {
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
}

.about-card-stat-label {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.product-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.product-header {
  padding: 40px 36px 24px;
  position: relative;
}

.product-header-vte {
  background: linear-gradient(135deg, #0A6B5E 0%, #0D8A7B 100%);
  color: #fff;
}

.product-header-disease {
  background: linear-gradient(135deg, #0A6B5E 0%, #0D8A7B 100%);
  color: #fff;
}

.product-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.product-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}

.product-icon svg {
  width: 28px;
  height: 28px;
  color: #fff;
}

.product-header h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  position: relative;
}

.product-header p {
  font-size: 14px;
  opacity: 0.8;
  line-height: 1.6;
  position: relative;
}

.product-body {
  padding: 32px 36px 36px;
}

.product-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.product-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-section);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  transition: background var(--transition-fast);
}

.product-feature:hover {
  background: var(--primary-light);
}

.product-feature-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.product-feature-dot.green {
  background: var(--primary);
}

.product-advantages {
  border-top: 1px solid var(--border-light);
  padding-top: 24px;
}

.product-advantages h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.product-advantages-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.product-advantage {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.product-advantage svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--primary);
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: gap var(--transition-fast);
}

.product-link:hover {
  gap: 10px;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-white);
  border: 1px solid var(--border);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.advantage-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--primary);
  transition: background var(--transition-base), color var(--transition-base);
}

.advantage-card:hover .advantage-icon {
  background: var(--primary);
  color: #fff;
}

.advantage-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.advantage-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

.client-category {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
}

.client-category-header {
  padding: 24px 28px;
  border-bottom: 1px solid var(--border-light);
}

.client-category-header h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.client-category-header .badge {
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 20px;
  background: var(--primary-light);
  color: var(--primary);
}

.client-category-body {
  padding: 20px 28px 24px;
}

.client-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 14px;
  color: var(--text-secondary);
}

.client-item:last-child {
  border-bottom: none;
}

.client-item-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--bg-section);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.contact-info > p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

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

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary);
}

.contact-item-text h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.contact-item-text p {
  font-size: 15px;
  color: var(--text-primary);
  font-weight: 500;
}

.contact-item-text a {
  color: var(--primary);
  transition: color var(--transition-fast);
}

.contact-item-text a:hover {
  color: var(--primary-dark);
}

.contact-cta-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.contact-cta-card::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 70%;
  height: 180%;  
  pointer-events: none;
}

.contact-cta-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
}

.contact-cta-card > p {
  font-size: 15px;
  color: rgba(255,255,255,0.8);
  line-height: 1.8;
  margin-bottom: 32px;
  position: relative;
}

.contact-cta-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
  position: relative;
}

.contact-cta-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 15px;
  color: rgba(255,255,255,0.9);
}

.contact-cta-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
}

.contact-cta-item a {
  color: #fff;
  transition: color var(--transition-fast);
}

.contact-cta-item a:hover {
  color: rgba(255,255,255,0.8);
}

.btn-contact-mailto {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px 32px;
  background: #fff;
  color: var(--primary-dark);
  font-size: 16px;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
  position: relative;
}

.btn-contact-mailto:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0,0,0,0.2);
}

.btn-contact-mailto svg {
  transition: transform var(--transition-fast);
}

.btn-contact-mailto:hover svg {
  transform: translateX(3px);
}

.btn-contact-phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px 32px;
  background: transparent;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1.5px solid rgba(255,255,255,0.35);
  margin-top: 12px;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  position: relative;
}

.btn-contact-phone:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}

.site-footer {
  background: var(--text-primary);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-top: 16px;
  max-width: 320px;
}

.footer-logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo-area img {
  height: 32px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer-logo-text {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  padding: 6px 0;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-col a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

.footer-bottom a {
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: rgba(255,255,255,0.8);
}

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.scale-in {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

.stagger > *:nth-child(1) { transition-delay: 0s; }
.stagger > *:nth-child(2) { transition-delay: 0.1s; }
.stagger > *:nth-child(3) { transition-delay: 0.2s; }
.stagger > *:nth-child(4) { transition-delay: 0.3s; }
.stagger > *:nth-child(5) { transition-delay: 0.35s; }
.stagger > *:nth-child(6) { transition-delay: 0.4s; }
.stagger > *:nth-child(7) { transition-delay: 0.45s; }
.stagger > *:nth-child(8) { transition-delay: 0.5s; }

@media (max-width: 1024px) {
  .about-grid {
    gap: 40px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .nav-links,
  .nav-cta,
  .logo-text {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .mobile-nav {
    display: block;
  }

  .hero {
    min-height: 100vh;
  }

  .hero-content {
    padding: 0 20px 100px 20px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .hero-stat-value {
    font-size: 1.6rem;
  }

  .section {
    padding: 64px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

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

  .product-features {
    grid-template-columns: 1fr;
  }

  .advantages-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

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

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + 20px);
    padding-bottom: 80px;
  }

  .hero-content {
    padding: 0 16px 80px 16px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn-primary,
  .btn-outline {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 40px;
  }

  .hero-stat {
    display: flex;
    align-items: baseline;
    gap: 8px;
  }

  .section {
    padding: 48px 0;
  }

  .product-header {
    padding: 28px 24px 20px;
  }

  .product-body {
    padding: 24px;
  }

  .contact-cta-card {
    padding: 32px;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }
.text-primary-color { color: var(--primary); }

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

::-webkit-scrollbar {
  width: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

@media print {
  .site-header,
  .mobile-nav,
  .hero-circle,
  .hero-pattern {
    display: none;
  }

  .hero {
    background: none;
    color: var(--text-primary);
    min-height: auto;
    padding: 20px 0;
  }

  .hero h1,
  .hero-desc,
  .hero-stat-value {
    color: var(--text-primary);
  }

  .section {
    padding: 30px 0;
  }
}