:root {
  --primary: #0b5cff;
  --primary-dark: #073bb0;
  --dark: #0c172a;
  --text: #374151;
  --muted: #6b7280;
  --light: #f5f8ff;
  --white: #ffffff;
  --border: #dbe4f0;
  --shadow: 0 20px 45px rgba(12, 23, 42, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
}

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

ul {
  list-style: none;
}

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: 0 4px 20px rgba(12, 23, 42, 0.08);
}

.topbar {
  background: var(--dark);
  color: #dce7ff;
  font-size: 14px;
}

.topbar-inner {
  min-height: 38px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.topbar a {
  color: var(--white);
  font-weight: 700;
}

.navbar {
  background: var(--white);
}

.nav-inner {
  min-height: 76px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--dark);
}

.logo-mark {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), #00a6ff);
  color: var(--white);
  border-radius: 12px;
  font-size: 15px;
}

.logo-text {
  font-size: 22px;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  font-weight: 700;
  color: var(--dark);
}

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

.menu-toggle {
  display: none;
  border: 0;
  background: var(--primary);
  color: var(--white);
  width: 42px;
  height: 42px;
  border-radius: 10px;
  font-size: 22px;
  cursor: pointer;
}

.hero {
  padding: 105px 0;
  background:
    radial-gradient(circle at 85% 25%, rgba(11, 92, 255, 0.20), transparent 32%),
    linear-gradient(135deg, #eef5ff 0%, #ffffff 45%, #f6f9ff 100%);
}

.hero-grid,
.split,
.network-grid,
.why-grid,
.footer-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 58px;
  align-items: center;
}

.eyebrow,
.section-kicker {
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1.8px;
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 12px;
}

h1,
h2,
h3 {
  color: var(--dark);
  line-height: 1.2;
}

h1 {
  font-size: clamp(42px, 6vw, 68px);
  letter-spacing: -2px;
  margin-bottom: 22px;
}

h2 {
  font-size: clamp(30px, 4vw, 44px);
  letter-spacing: -1.2px;
  margin-bottom: 18px;
}

h3 {
  font-size: 21px;
  margin-bottom: 12px;
}

.hero-content p {
  font-size: 18px;
  color: #46556c;
  max-width: 680px;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 800;
  transition: 0.25s ease;
  border: 2px solid transparent;
}

.btn.primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 15px 30px rgba(11, 92, 255, 0.24);
}

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

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

.btn.secondary:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.hero-panel {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: 30px;
  box-shadow: var(--shadow);
}

.status-card {
  background: linear-gradient(135deg, var(--dark), #183b73);
  border-radius: 24px;
  padding: 34px;
  color: #dce7ff;
  margin-bottom: 18px;
  position: relative;
  overflow: hidden;
}

.status-card h3 {
  color: var(--white);
  font-size: 28px;
}

.pulse {
  width: 18px;
  height: 18px;
  background: #31e981;
  border-radius: 50%;
  display: inline-block;
  margin-bottom: 26px;
  box-shadow: 0 0 0 12px rgba(49, 233, 129, 0.12);
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.mini-grid div {
  background: var(--light);
  padding: 22px;
  border-radius: 18px;
  border: 1px solid var(--border);
}

.mini-grid strong {
  display: block;
  color: var(--dark);
  font-size: 26px;
}

.mini-grid span {
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 90px 0;
}

.about,
.solutions,
.process {
  background: var(--white);
}

.services,
.why,
.contact {
  background: var(--light);
}

.section-title {
  max-width: 760px;
  text-align: center;
  margin: 0 auto 46px;
}

.section-title p {
  color: var(--muted);
}

.text-block p + p {
  margin-top: 18px;
}

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

.card,
.solution-card,
.step,
.feature-box,
.contact-card,
.support-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 10px 25px rgba(12, 23, 42, 0.06);
}

.card {
  transition: 0.25s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: #e8f0ff;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  margin-bottom: 18px;
}

.network {
  background: linear-gradient(135deg, #0c172a 0%, #15345f 100%);
  color: #dce7ff;
}

.network h2,
.network h3 {
  color: var(--white);
}

.network .section-kicker {
  color: #7cb6ff;
}

.network .feature-box {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: none;
}

.check-list li {
  position: relative;
  padding-left: 34px;
  margin-bottom: 14px;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 900;
}

.check-list.large li {
  font-size: 17px;
}

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

.solution-card {
  min-height: 190px;
}

.step span {
  display: inline-flex;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--white);
  font-weight: 900;
  margin-bottom: 18px;
}

.support-card,
.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.contact-card {
  background: linear-gradient(135deg, var(--white), #eef5ff);
}

.footer {
  background: var(--dark);
  color: #dce7ff;
  padding: 58px 0;
}

.footer .logo-text,
.footer h3 {
  color: var(--white);
}

.footer-grid {
  align-items: start;
}

.footer p {
  margin-top: 14px;
  max-width: 520px;
}

.footer ul {
  display: grid;
  gap: 12px;
  justify-self: end;
}

.footer a:hover {
  color: var(--white);
}

.scroll-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 0;
  background: var(--primary);
  color: var(--white);
  font-size: 20px;
  cursor: pointer;
  display: none;
  box-shadow: var(--shadow);
}

.scroll-top.show {
  display: block;
}

@media (max-width: 980px) {
  .hero-grid,
  .split,
  .network-grid,
  .why-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .support-card,
  .contact-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer ul {
    justify-self: start;
  }
}

@media (max-width: 760px) {
  .topbar-inner {
    flex-direction: column;
    text-align: center;
    padding: 10px 0;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-links {
    position: absolute;
    left: 4%;
    right: 4%;
    top: 116px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow);
    padding: 18px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
  }

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

  .hero {
    padding: 70px 0;
  }

  .section {
    padding: 64px 0;
  }

  .cards,
  .solution-grid,
  .process-grid,
  .mini-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 40px;
  }
}
