:root {
    --primary: #0f172a;            --primary-light: #1e293b;      --primary-subtle: #334155;     --accent: #2563eb;             --accent-light: #3b82f6;       --accent-glow: rgba(37, 99, 235, 0.15);
  --cyan: #06b6d4;               --teal: #0d9488;               --emerald: #10b981;          
  --text-main: #0f172a;
  --text-muted: #64748b;         --text-light: #94a3b8;        --bg-main: #ffffff;
  --bg-subtle: #f8fafc;          --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --border-subtle: #e2e8f0;      --border-focus: #3b82f6;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    --container-max: 1240px;
  --header-height: 76px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 28px rgba(15, 23, 42, 0.08), 0 4px 8px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 35px -5px rgba(15, 23, 42, 0.12), 0 10px 15px -5px rgba(15, 23, 42, 0.04);
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-main);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}
body {
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--accent-light);
}
h1, h2, h3, h4, h5, h6 {
  color: var(--primary);
  font-weight: 700;
  line-height: 1.25;
}
p {
  color: var(--text-muted);
}
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #1d4ed8 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
  transform: translateY(-1px);
  color: #ffffff;
}
.btn-outline {
  background: transparent;
  border-color: var(--border-subtle);
  color: var(--primary);
}
.btn-outline:hover {
  border-color: var(--accent);
  background: var(--bg-subtle);
  color: var(--accent);
}
.btn-outline-white {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}
.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: #ffffff;
  color: #ffffff;
}
.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}
.section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: rgba(37, 99, 235, 0.08);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
  border: 1px solid rgba(37, 99, 235, 0.15);
}
.section-title {
  font-size: 2.35rem;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1.12rem;
  color: var(--text-muted);
}
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  transition: var(--transition);
}
.navbar.scrolled {
  box-shadow: var(--shadow-sm);
  height: 68px;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}
.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
}
.brand-name span {
  color: var(--accent);
}
.brand-tag {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: block;
  line-height: 1;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--primary-subtle);
  position: relative;
  padding: 6px 0;
}
.nav-link:hover,
.nav-link.active {
  color: var(--accent);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--accent);
  border-radius: 2px;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
  padding: 6px;
}
.hero-section {
  padding-top: calc(var(--header-height) + 64px);
  padding-bottom: 80px;
  background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.06) 0%, rgba(255, 255, 255, 0) 65%),
              linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-content {
  display: flex;
  flex-direction: column;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.2);
  color: var(--accent);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  align-self: flex-start;
}
.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--emerald);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
}
.hero-title {
  font-size: 3.1rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
  color: var(--primary);
}
.hero-title span.highlight {
  background: linear-gradient(135deg, var(--accent) 0%, #1d4ed8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-lead {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
}
.stat-item h3 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.3;
}
.hero-visual {
  width: 100%;
}
.hero-visual-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
}
.hero-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}
.hero-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-card-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--accent);
}
.hero-arch-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.arch-tier {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.arch-node {
  background: #0f172a;
  border: 1px solid #1e293b;
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
}
.arch-node:hover {
  border-color: var(--accent-light);
  transform: translateY(-2px);
}
.arch-node-center {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border: 1px solid #3b82f6;
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}
.arch-node-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.arch-node-content {
  display: flex;
  flex-direction: column;
}
.arch-node-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #f8fafc;
  line-height: 1.2;
}
.arch-node-subtitle {
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 2px;
}
.arch-node-tag {
  font-size: 0.7rem;
  color: #38bdf8;
  font-family: var(--font-mono);
  margin-top: 3px;
}
.arch-center-tag {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: rgba(37, 99, 235, 0.2);
  color: #93c5fd;
  font-size: 0.75rem;
  font-weight: 600;
}
.hero-card-footer-badges {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}
.inline-badge {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 10px;
}
.inline-badge-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
}
.inline-badge-text {
  font-size: 0.78rem;
  line-height: 1.25;
}
.inline-badge-text strong {
  display: block;
  color: var(--primary);
  font-weight: 700;
}
.inline-badge-text span {
  color: var(--text-muted);
}
.trust-bar {
  padding: 32px 0;
  background: #ffffff;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.trust-title {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
  margin-bottom: 24px;
}
.trust-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-subtle);
  opacity: 0.85;
  transition: opacity 0.2s ease;
}
.trust-item:hover {
  opacity: 1;
}
.about-section {
  padding: 96px 0;
  background: #ffffff;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-text h2 {
  font-size: 2.25rem;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.about-text p {
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 20px;
}
.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}
.about-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.about-feature-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: bold;
  font-size: 0.85rem;
}
.about-feature-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 2px;
}
.about-feature-text p {
  font-size: 0.85rem;
  margin-bottom: 0;
  line-height: 1.4;
}
.about-media-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  box-shadow: var(--shadow-md);
}
.about-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.values-section {
  padding: 96px 0;
  background: var(--bg-subtle);
  position: relative;
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}
.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-light);
}
.value-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 22px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent);
  border: 1px solid rgba(37, 99, 235, 0.15);
}
.value-card:nth-child(2) .value-icon-wrapper {
  background: rgba(13, 148, 136, 0.08);
  color: var(--teal);
  border-color: rgba(13, 148, 136, 0.15);
}
.value-card:nth-child(3) .value-icon-wrapper {
  background: rgba(16, 185, 129, 0.08);
  color: var(--emerald);
  border-color: rgba(16, 185, 129, 0.15);
}
.value-card:nth-child(4) .value-icon-wrapper {
  background: rgba(245, 158, 11, 0.08);
  color: #f59e0b;
  border-color: rgba(245, 158, 11, 0.15);
}
.value-card:nth-child(5) .value-icon-wrapper {
  background: rgba(124, 58, 237, 0.08);
  color: #7c3aed;
  border-color: rgba(124, 58, 237, 0.15);
}
.value-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.value-title-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  color: var(--text-light);
}
.value-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
}
.solutions-section {
  padding: 96px 0;
  background: #ffffff;
}
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 56px;
}
.solution-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--cyan) 100%);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.solution-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-light);
}
.solution-card:hover::before {
  opacity: 1;
}
.solution-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.solution-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: var(--accent);
}
.solution-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}
.solution-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.solution-features-list {
  list-style: none;
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
}
.solution-feature-item {
  font-size: 0.88rem;
  color: var(--primary-subtle);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.solution-feature-item svg {
  color: var(--emerald);
  flex-shrink: 0;
}
.solutions-diagram-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 44px;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.solutions-diagram-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
}
.solutions-diagram-header h3 {
  color: #ffffff;
  font-size: 2rem;
  margin-bottom: 12px;
}
.solutions-diagram-header p {
  color: var(--text-light);
  font-size: 1.05rem;
  line-height: 1.6;
}
.solutions-diagram-frame {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  width: 100%;
}
.why-section {
  padding: 96px 0;
  background: var(--bg-subtle);
}
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.expertise-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.expertise-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}
.expertise-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 14px;
}
.expertise-card h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--primary);
}
.expertise-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.comparison-table-wrapper {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}
.comparison-table th,
.comparison-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-subtle);
}
.comparison-table th {
  background: #f8fafc;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
}
.comparison-table th.highlight-col {
  background: rgba(37, 99, 235, 0.06);
  color: var(--accent);
  border-left: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
}
.comparison-table td.highlight-col {
  background: rgba(37, 99, 235, 0.02);
  border-left: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
  font-weight: 600;
  color: var(--primary);
}
.comparison-table tr:last-child td {
  border-bottom: none;
}
.check-icon {
  color: var(--emerald);
  font-weight: bold;
  margin-right: 6px;
}
.cross-icon {
  color: #ef4444;
  margin-right: 6px;
}
.security-section {
  padding: 96px 0;
  background: #ffffff;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.security-badge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.sec-badge-card {
  padding: 28px 24px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-align: center;
  transition: var(--transition);
}
.sec-badge-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}
.sec-badge-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--teal);
}
.sec-badge-card h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--primary);
}
.sec-badge-card p {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-muted);
}
.contact-section {
  padding: 96px 0;
  background: var(--bg-subtle);
  position: relative;
}
.contact-channels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
.contact-channel-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.contact-channel-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}
.contact-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 18px;
}
.contact-channel-card h4 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}
.contact-channel-card p {
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.contact-channel-card a {
  font-weight: 700;
  font-size: 1.05rem;
}
.engagement-process-box {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.engagement-process-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 24px;
  text-align: center;
}
.process-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.process-step-item {
  position: relative;
  text-align: center;
  padding: 16px;
}
.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: #ffffff;
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}
.process-step-item h5 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--primary);
}
.process-step-item p {
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--text-muted);
}
.footer {
  background: var(--primary);
  color: #ffffff;
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-brand .brand-name {
  color: #ffffff;
}
.footer-brand p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 18px 0 24px;
}
.footer-col h4 {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  color: var(--text-light);
  font-size: 0.9rem;
}
.footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-light);
}
.footer-badges {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-light);
}
@media (max-width: 1024px) {
  .hero-grid,
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .expertise-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .security-badge-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-channels-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-lg);
  }
  .nav-links.active {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2.35rem;
  }
  .arch-tier {
    grid-template-columns: 1fr;
  }
  .solutions-grid {
    grid-template-columns: 1fr;
  }
  .expertise-grid {
    grid-template-columns: 1fr;
  }
  .process-steps-grid {
    grid-template-columns: 1fr;
  }
  .security-badge-grid {
    grid-template-columns: 1fr;
  }
  .hero-card-footer-badges {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}