/* Reset & Base */
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: #ffffff;
  color: #111318;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  user-select: none;
  cursor: default;
}
a { text-decoration: none; color: inherit; }
a:hover { text-decoration: none; }

/* Variables */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --text: #111318;
  --text-muted: #5a6270;
  --border: #e5e7eb;
  --bg-light: #f9fafb;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  transition: all 0.3s ease;
  padding: 4px 0;
}
.brand:hover { 
  transform: translateY(-1px);
}
.brand:hover .brand-name {
  background-position: 100% 0;
}
.brand .logo { 
  width: 36px; 
  height: 36px; 
  object-fit: contain;
  transition: transform 0.3s ease;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.05));
}
.brand:hover .logo {
  transform: scale(1.05);
}
.brand-name { 
  font-size: 17px; 
  font-weight: 700; 
  letter-spacing: 1px;
  color: var(--text);
  background: linear-gradient(135deg, var(--text) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 100%;
  transition: background-position 0.5s ease;
  position: relative;
}
@supports not (-webkit-background-clip: text) {
  .brand-name {
    color: var(--primary);
    background: none;
    -webkit-text-fill-color: var(--primary);
  }
}
.brand-name::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  transition: width 0.3s ease;
}
.brand:hover .brand-name::after {
  width: 100%;
}
.nav {
  display: flex;
  align-items: center;
  gap: 32px;
  flex: 1;
  justify-content: center;
}
.nav a {
  color: var(--text-muted);
  font-size: 15px;
  transition: color 0.2s;
}
.nav a:hover { color: var(--text); }
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.lang-select {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  padding: 8px 32px 8px 12px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235a6270' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: all 0.2s;
  min-width: 120px;
}
.lang-select:hover {
  color: var(--text);
  border-color: var(--primary);
}
.lang-select:focus {
  outline: none;
  border-color: var(--primary);
  color: var(--text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  background: transparent;
  color: var(--text);
}
.btn.primary {
  background: var(--primary);
  color: #ffffff;
}
.btn.primary:hover {
  background: var(--primary-dark);
}
.btn.secondary {
  background: var(--bg-light);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn.secondary:hover {
  background: #f3f4f6;
}
.btn.large {
  padding: 16px 32px;
  font-size: 16px;
}

/* Hero */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-content h4 {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.hero-content h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.hero-subtitle {
  font-size: 20px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 32px;
}
.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.hero-note {
  font-size: 14px;
  color: var(--text-muted);
}
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-image {
  width: 100%;
  height: auto;
  border-radius: 12px;
}

/* Sections */
.section {
  padding: 80px 0;
}
.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 64px;
}
.section-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.section-header h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
}
.section-desc {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Products */
.products {
  background: var(--bg-light);
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}
.product-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.08);
}
.product-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 20px;
  object-fit: contain;
}
.product-card h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}
.product-specs {
  margin-bottom: 16px;
}
.product-specs p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 8px;
}
.product-specs strong {
  color: var(--text);
  font-weight: 600;
}
.product-card > p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-top: 16px;
}

/* Platform */
.platform {
  background: #ffffff;
}
.platform-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}
.platform-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.platform-icon {
  width: 200px;
  height: 200px;
  object-fit: contain;
}
.platform-details {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.platform-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.platform-feature {
  text-align: center;
  padding: 24px;
  background: var(--bg-light);
  border-radius: 12px;
}
.platform-feature h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}
.platform-feature p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}
.platform-description {
  padding: 24px;
  background: var(--bg-light);
  border-radius: 12px;
}
.platform-description p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.08);
}
.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
}
.service-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}
.service-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* About */
.about {
  background: var(--bg-light);
}
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.about-content h4 {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.about-content h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.2;
}
.about-content p {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.6;
}
.about-features {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.about-feature {
  display: flex;
  gap: 24px;
}
.feature-num {
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  flex-shrink: 0;
}
.about-feature h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
}
.about-feature p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Integration */
.integration {
  background: var(--bg-light);
  text-align: center;
}
.integration-content {
  max-width: 800px;
  margin: 0 auto;
}
.integration-content h4 {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.integration-content h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
}
.integration-content p {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 32px;
}

/* UI Showcase */
.ui-showcase {
  padding: 80px 0;
}
.ui-steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: 64px;
  gap: 32px;
}
.ui-step {
  flex: 1;
  text-align: center;
}
.step-num {
  display: block;
  font-size: 64px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 16px;
}
.ui-step h3 {
  font-size: 20px;
  font-weight: 600;
}
.ui-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.ui-content h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.2;
}
.ui-content p {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Ready Deploy */
.ready-deploy {
  background: var(--bg-light);
}
.ready-deploy-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.ready-deploy-content h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.2;
}
.ready-deploy-content p {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.6;
}
.ready-deploy-visual img {
  width: 100%;
  height: auto;
  border-radius: 12px;
}

/* Ecosystem */
.ecosystem-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.ecosystem-content h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.2;
}
.ecosystem-content p {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.6;
}
.ecosystem-visual img {
  width: 100%;
  height: auto;
  border-radius: 12px;
}

/* Trusted */
.trusted {
  background: var(--bg-light);
  text-align: center;
}
.trusted h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
}
.trusted p {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 48px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  max-width: 900px;
  margin: 0 auto;
}
.stat {
  text-align: center;
}
.stat-number {
  font-size: 56px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.stat-label {
  font-size: 16px;
  color: var(--text-muted);
}

/* Tech Stack */
.tech-stack {
  text-align: center;
}
.tech-stack h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
}
.tech-stack p {
  font-size: 18px;
  color: var(--text-muted);
}

/* Partners */
.partners {
  padding: 60px 0;
  background: var(--bg-light);
}
.partners-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}
.partner-logo {
  height: 40px;
  opacity: 0.6;
  filter: grayscale(100%);
  transition: opacity 0.2s;
}
.partner-logo:hover {
  opacity: 1;
  filter: grayscale(0);
}

/* Final CTA */
.final-cta {
  text-align: center;
  padding: 100px 0;
  background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
}
.final-cta h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
}
.final-cta p {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 32px;
}

/* FAQ */
.faq {
  background: var(--bg-light);
}
.faq-header {
  text-align: center;
  margin-bottom: 64px;
}
.faq-header h4 {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.faq-header h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 24px;
}
.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
}
.faq-item {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
}
.faq-item h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}
.faq-item p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Footer */
.site-footer {
  background: #111318;
  color: #ffffff;
  padding: 80px 0 32px;
}
.footer-top {
  margin-bottom: 64px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand .logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}
.footer-brand .brand-name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #ffffff;
  background: linear-gradient(135deg, #ffffff 0%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
@supports not (-webkit-background-clip: text) {
  .footer-brand .brand-name {
    color: #60a5fa;
    background: none;
    -webkit-text-fill-color: #60a5fa;
  }
}
.footer-top p {
  color: #9ca3af;
  margin-bottom: 8px;
}
.footer-top a {
  color: #ffffff;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 64px;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: #9ca3af;
  margin-bottom: 8px;
  transition: color 0.2s;
}
.footer-col a:hover {
  color: #ffffff;
}
.footer-col p {
  color: #9ca3af;
  font-size: 14px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid #1f2937;
  color: #9ca3af;
  font-size: 14px;
}
.footer-bottom a {
  color: #9ca3af;
  margin-right: 24px;
}
.footer-bottom a:hover {
  color: #ffffff;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-inner,
  .about-inner,
  .ready-deploy-inner,
  .ecosystem-inner,
  .platform-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .platform-features {
    grid-template-columns: repeat(3, 1fr);
  }
  .products-grid,
  .services-grid,
  .faq-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 16px 0;
  }
  .lang-select {
    min-width: 100px;
    font-size: 13px;
    padding: 6px 28px 6px 10px;
  }
  .nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    gap: 16px;
    margin-top: 16px;
  }
  .hero {
    padding: 80px 0 60px;
  }
  .hero-content h1 {
    font-size: 36px;
  }
  .hero-subtitle {
    font-size: 18px;
  }
  .section {
    padding: 60px 0;
  }
  .section-header h2,
  .about-content h2,
  .integration-content h2,
  .ui-content h2,
  .ready-deploy-content h2,
  .ecosystem-content h2,
  .trusted h2,
  .tech-stack h2,
  .final-cta h2,
  .faq-header h2 {
    font-size: 32px;
  }
  .products-grid,
  .services-grid,
  .faq-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .platform-features {
    grid-template-columns: 1fr;
  }
  .ui-steps {
    flex-direction: column;
    gap: 48px;
  }
  .footer-links {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}