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

:root {
  --blue: #3B82F6;
  --blue-light: #60A5FA;
  --blue-dark: #1D4ED8;
  --white: #FFFFFF;
  --cream: #FAFAFA;
  --dark: #0F172A;
  --gray: #64748B;
  --gray-light: #E2E8F0;
  --radius: 12px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--cream);
  color: var(--dark);
  overflow-x: hidden;
}

.demo-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 101;
  background: var(--dark);
  text-align: center;
  padding: 8px 24px;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  font-weight: 300;
  white-space: nowrap;
}

.demo-banner span {
  color: #c8f000;
}

.nav {
  position: fixed;
  top: 33px;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-light);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 60px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 400;
  color: var(--gray);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--blue);
}

.nav-cta {
  background: var(--blue);
  color: var(--white);
  padding: 10px 24px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}

.nav-cta:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 50%, var(--cream) 100%);
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.04) 0%, transparent 50%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 20px;
}

.hero-text h1 {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--dark);
  margin-bottom: 24px;
  letter-spacing: -1.5px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray);
  font-weight: 300;
  margin-bottom: 40px;
  max-width: 480px;
}

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

.btn-primary {
  background: var(--blue);
  color: var(--white);
  padding: 14px 32px;
  border-radius: var(--radius);
  border: none;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  text-decoration: none;
  display: inline-block;
}

.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.25);
}

.btn-outline {
  font-size: 14px;
  font-weight: 400;
  color: var(--dark);
  text-decoration: none;
  border: 1px solid var(--gray-light);
  padding: 14px 28px;
  border-radius: var(--radius);
  transition: border-color 0.2s, color 0.2s;
}

.btn-outline:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-card {
  width: 320px;
  background: var(--white);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.08);
  overflow: hidden;
}

.hero-card-header {
  display: flex;
  gap: 6px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-light);
}

.hero-card-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-light);
}

.hero-card-body {
  padding: 30px 24px;
  display: flex;
  align-items: flex-end;
  gap: 16px;
  height: 200px;
}

.hero-chart-bar {
  flex: 1;
  background: linear-gradient(to top, var(--blue), var(--blue-light));
  border-radius: 4px 4px 0 0;
  transition: height 0.5s ease;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 60px;
}

.section-header {
  margin-bottom: 60px;
}

.section-tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
  display: block;
}

.section-header h2 {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -1px;
}

.services {
  padding: 120px 0;
  background: var(--white);
}

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

.service-card {
  background: var(--cream);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 40px 36px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}

.service-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 20px;
  display: block;
}

.service-card h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray);
  font-weight: 300;
}

.about {
  padding: 120px 0;
  background: var(--cream);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-content h2 {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.about-text {
  font-size: 15px;
  line-height: 1.9;
  color: var(--gray);
  font-weight: 300;
}

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

.about-stat {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
}

.about-stat-number {
  display: block;
  font-size: 36px;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 6px;
}

.about-stat-label {
  display: block;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gray);
  font-weight: 400;
}

.footer {
  background: var(--dark);
  padding: 80px 60px;
  text-align: center;
}

.footer-inner {
  max-width: 600px;
  margin: 0 auto;
}

.footer h3 {
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.footer-cta {
  display: inline-block;
  font-size: 18px;
  font-weight: 500;
  color: var(--blue-light);
  text-decoration: none;
  margin-bottom: 40px;
  transition: color 0.2s;
}

.footer-cta:hover {
  color: var(--blue);
}

.footer-legal {
  font-size: 12px;
  color: rgba(255,255,255,0.25);
}

@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-subtitle {
    margin: 0 auto 40px;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-inner {
    padding: 16px 24px;
  }

  .nav-links {
    display: none;
  }

  .hero-inner {
    padding: 0 24px;
  }

  .section-inner {
    padding: 0 24px;
  }

  .services,
  .about {
    padding: 80px 0;
  }

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

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

  .footer {
    padding: 60px 24px;
  }
}