:root {
  --primary: #0A2E73;
  --secondary: #1E63F3;
  --dark: #101828;
  --gray: #667085;
  --light: #F8FAFC;
  --white: #FFFFFF;
  --border: #E6EAF2;
  --shadow: 0 18px 50px rgba(10, 46, 115, 0.10);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
}

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

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-content {
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  max-width: 290px;
  height: auto;
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 15px;
  font-weight: 600;
  color: #344054;
}

.main-nav a:hover {
  color: var(--secondary);
}

.nav-cta {
  background: var(--secondary);
  color: white !important;
  padding: 11px 18px;
  border-radius: 999px;
}

.menu-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  margin: 5px 0;
  background: var(--primary);
  border-radius: 999px;
}

.hero {
  padding: 100px 0 80px;
  background:
    radial-gradient(circle at 20% 10%, rgba(30,99,243,0.16), transparent 36%),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 60px;
}

.eyebrow {
  display: inline-block;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(38px, 5vw, 68px);
  line-height: 1.04;
  color: var(--primary);
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.12;
  color: var(--primary);
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}

h3 {
  color: var(--primary);
  margin-bottom: 12px;
  font-size: 21px;
}

.hero-text p,
.section-head p,
.about-grid p,
.cta-box p {
  color: var(--gray);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 800;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--secondary);
  color: white;
  box-shadow: 0 12px 30px rgba(30,99,243,0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
}

.btn-secondary {
  border: 1px solid var(--border);
  color: var(--primary);
  background: white;
}

.hero-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 34px;
  box-shadow: var(--shadow);
}

.hero-card ul {
  list-style: none;
  display: grid;
  gap: 14px;
  color: #344054;
}

.hero-card li {
  position: relative;
  padding-left: 28px;
}

.hero-card li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary);
  font-weight: 900;
}

.section {
  padding: 90px 0;
}

.section-head {
  max-width: 820px;
  margin-bottom: 44px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.service-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 28px;
  box-shadow: 0 10px 30px rgba(16,24,40,0.04);
  transition: 0.2s ease;
}

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

.icon {
  width: 46px;
  height: 46px;
  background: #EEF4FF;
  color: var(--secondary);
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 900;
  margin-bottom: 22px;
}

.service-card p {
  color: var(--gray);
}

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

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.stats-box {
  background: white;
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 34px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 22px;
}

.stats-box div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.stats-box div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.stats-box strong {
  color: var(--secondary);
  font-size: 42px;
}

.stats-box span {
  color: var(--gray);
  font-weight: 700;
  text-align: right;
}

.features-grid,
.problems-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.features-grid div,
.problems-grid p {
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  font-weight: 700;
  color: #344054;
}

.tech-section {
  background: linear-gradient(135deg, var(--primary), #061a40);
  color: white;
}

.tech-section h2,
.tech-section .eyebrow {
  color: white;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tech-list span {
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.18);
  color: white;
  padding: 11px 16px;
  border-radius: 999px;
  font-weight: 700;
}

.cta-section {
  padding: 90px 0;
  background: var(--light);
}

.cta-box {
  background: white;
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: 56px;
  box-shadow: var(--shadow);
  text-align: center;
}

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

.site-footer {
  padding: 46px 0;
  background: #061a40;
  color: rgba(255,255,255,0.78);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.footer-logo {
  max-width: 260px;
  background: white;
  border-radius: 12px;
  padding: 8px;
  margin-bottom: 14px;
}

.site-footer h4 {
  color: white;
  margin-bottom: 12px;
}

@media (max-width: 980px) {
  .cards-grid,
  .features-grid,
  .problems-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-grid,
  .about-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .main-nav {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 88px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    box-shadow: var(--shadow);
  }

  .main-nav.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  .logo img {
    max-width: 230px;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .header-content {
    height: 78px;
  }

  .main-nav {
    top: 78px;
  }

  .hero {
    padding: 70px 0 56px;
  }

  .section,
  .cta-section {
    padding: 64px 0;
  }

  .cards-grid,
  .features-grid,
  .problems-grid {
    grid-template-columns: 1fr;
  }

  .hero-card,
  .cta-box {
    padding: 28px;
    border-radius: 24px;
  }

  .logo img {
    max-width: 200px;
  }

  .stats-box div {
    display: block;
  }

  .stats-box span {
    display: block;
    text-align: left;
  }
}