:root {
  --bg: #f5f9fc;
  --white: #ffffff;
  --text: #0f172a;
  --muted: #5f6e82;
  --line: #d9e2ec;
  --dark: #09111f;
  --primary: #0c87c9;
  --primary-2: #19b6e9;
  --soft: #eef7fc;
  --soft-2: #f7fbfe;
  --shadow: 0 22px 60px rgba(12, 32, 61, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  background: var(--dark);
  color: #d9e6ef;
  font-size: 14px;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 11px 0;
}
.topbar-left,
.topbar-right {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.topbar-right a:hover { color: #fff; }
.dot { color: #7f91a5; }

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(217, 226, 236, 0.8);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 16px 38px rgba(25, 182, 233, 0.28);
}
.brand-name {
  font-size: 20px;
  font-weight: 700;
}
.brand-subtitle {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #6e7e90;
}
.nav {
  display: flex;
  gap: 32px;
  font-size: 15px;
  color: var(--muted);
}
.nav a:hover,
.footer-links a:hover { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  transition: 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-dark {
  background: var(--dark);
  color: white;
}
.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 16px 40px rgba(12, 135, 201, 0.2);
}
.btn-light {
  background: white;
  border: 1px solid var(--line);
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(56,189,248,0.11), transparent 32%),
    radial-gradient(circle at bottom right, rgba(8,145,178,0.1), transparent 26%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
  padding: 70px 0 88px;
}
.eyebrow-pill,
.section-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.eyebrow-pill {
  padding: 10px 16px;
  background: white;
  color: #0b7ebf;
  border: 1px solid #cbe8f6;
  border-radius: 999px;
  box-shadow: 0 8px 18px rgba(17, 52, 86, 0.05);
}
.hero h1 {
  margin: 22px 0 0;
  font-size: clamp(38px, 5vw, 54px);
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.hero-copy > p {
  margin: 22px 0 0;
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 30px;
  flex-wrap: wrap;
}
.hero-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 34px;
}
.feature-card,
.card {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.94);
  border-radius: 28px;
  box-shadow: var(--shadow);
}
.feature-card {
  padding: 22px;
}
.feature-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
}
.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.big-visual {
  padding: 28px;
  background: linear-gradient(135deg, #ecf9ff 0%, #ffffff 54%, #eaf6fc 100%);
  position: relative;
  overflow: hidden;
}
.big-visual::before,
.big-visual::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
}
.big-visual::before {
  width: 180px;
  height: 180px;
  right: -40px;
  top: -40px;
  background: rgba(101, 219, 247, 0.26);
}
.big-visual::after {
  width: 150px;
  height: 150px;
  left: 20px;
  bottom: -30px;
  background: rgba(125, 208, 245, 0.24);
}
.visual-badge,
.small-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.visual-badge {
  position: relative;
  z-index: 2;
  color: #4b6c85;
}
.visual-title {
  position: relative;
  z-index: 2;
  margin-top: 10px;
  font-size: 30px;
  line-height: 1.16;
  font-weight: 700;
  max-width: 500px;
}
.visual-layout {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 16px;
  margin-top: 24px;
}
.visual-panel {
  border-radius: 24px;
  padding: 18px;
}
.light { background: white; }
.dark-box {
  background: var(--dark);
  color: white;
}
.dark-box p {
  margin: 10px 0 0;
  color: #c3d2df;
}
.blue { color: #9bdff6; }
.panel-title {
  font-size: 15px;
  font-weight: 700;
  margin-top: 4px;
}
.device-svg { height: 180px; }
.mini-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.small-card strong {
  display: block;
  margin-top: 8px;
  font-size: 14px;
}
.mini-svg { height: 84px; }

.section {
  padding: 88px 0;
}
.section-alt {
  background: white;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-head {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.section-head.left {
  margin: 0;
  text-align: left;
}
.section-head h2 {
  margin: 14px 0 0;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.section-head p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}
.section-eyebrow { color: #0b7ebf; }
.section-eyebrow.gray { color: #7b8898; }
.section-eyebrow.blue-light { color: #a8e4f6; }

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 42px;
}
.catalog-card {
  padding: 24px;
}
.catalog-card:hover {
  transform: translateY(-3px);
  transition: 0.2s ease;
}
.catalog-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: #ebf7fd;
  color: #0b7ebf;
  font-size: 22px;
}
.tag {
  padding: 8px 12px;
  background: #f2f5f8;
  border-radius: 999px;
  color: #6f7d8b;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.catalog-card h3 {
  margin: 20px 0 10px;
  font-size: 28px;
  line-height: 1.15;
}
.catalog-card p {
  margin: 0;
  color: var(--muted);
}
.catalog-illustration {
  margin-top: 18px;
  padding: 14px;
  background: var(--soft-2);
  border-radius: 24px;
}
.catalog-illustration svg { height: 110px; }
.catalog-card a {
  display: inline-block;
  margin-top: 18px;
  color: var(--primary);
  font-weight: 700;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 30px;
}
.about-highlight {
  margin-top: 32px;
  padding: 32px;
  border-radius: 32px;
  background: var(--dark);
  color: white;
  box-shadow: 0 32px 90px rgba(15, 23, 42, 0.18);
}
.about-highlight h3 {
  margin: 14px 0 0;
  font-size: 34px;
  line-height: 1.14;
}
.about-highlight p {
  margin: 16px 0 0;
  color: #c2d3df;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.metric-card {
  padding: 28px;
  background: var(--soft-2);
}
.metric-card strong {
  display: block;
  font-size: 34px;
  line-height: 1.1;
}
.metric-card span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}
.partners {
  grid-column: 1 / -1;
  padding: 24px;
}
.partner-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.partner-list span {
  display: inline-flex;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #f7fafc;
  font-size: 14px;
  font-weight: 600;
  color: #59697b;
}

.contacts-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 22px;
  margin-top: 42px;
}
.contacts-card {
  padding: 28px;
}
.contact-row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px;
  border-radius: 24px;
  background: #f7fafc;
}
.contact-row + .contact-row { margin-top: 14px; }
.contact-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: #e8f5fb;
  color: var(--primary);
  font-size: 18px;
  flex: 0 0 auto;
}
.contact-label {
  color: #6c7c8e;
  font-size: 14px;
}
.contact-value {
  margin-top: 3px;
  font-size: 20px;
  font-weight: 700;
}
.contact-note {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}
.company-box {
  margin-top: 18px;
  padding: 18px;
  border: 1px dashed #bac8d8;
  border-radius: 24px;
  background: var(--soft-2);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}
.cta-box {
  padding: 32px;
  border-radius: 32px;
  background:
    radial-gradient(circle at top right, rgba(56,189,248,0.20), transparent 28%),
    radial-gradient(circle at bottom left, rgba(6,182,212,0.14), transparent 24%),
    var(--dark);
  color: white;
  box-shadow: 0 32px 90px rgba(15, 23, 42, 0.18);
}
.cta-box h3 {
  margin: 14px 0 0;
  font-size: 38px;
  line-height: 1.08;
}
.cta-box p {
  margin: 16px 0 0;
  color: #c6d4de;
  max-width: 720px;
}
.cta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 26px;
}
.cta-grid div,
.cta-route {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 22px;
}
.cta-grid div {
  padding: 16px;
  color: #edf7fb;
}
.cta-route {
  margin-top: 18px;
  padding: 18px;
}
.cta-route span {
  display: block;
  color: #bcd2df;
  font-size: 14px;
}
.cta-route strong {
  display: block;
  margin-top: 6px;
  font-size: 18px;
}

.footer {
  border-top: 1px solid var(--line);
  background: white;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 30px 0;
}
.footer-note {
  margin-top: 6px;
  color: #6e7d8d;
  font-size: 14px;
}
.footer-links {
  display: flex;
  gap: 24px;
  color: var(--muted);
}

@media (max-width: 1080px) {
  .hero-grid,
  .about-grid,
  .contacts-grid,
  .catalog-grid {
    grid-template-columns: 1fr;
  }
  .hero-features,
  .metrics-grid,
  .cta-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 820px) {
  .nav { display: none; }
  .topbar-inner,
  .header-inner,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero {
    padding-top: 6px;
  }
  .hero-features,
  .metrics-grid,
  .cta-grid,
  .mini-grid {
    grid-template-columns: 1fr;
  }
  .hero-copy > p,
  .section-head p {
    font-size: 16px;
  }
  .visual-title,
  .cta-box h3,
  .about-highlight h3 {
    font-size: 30px;
  }
  .catalog-card h3 {
    font-size: 24px;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(1180px, calc(100% - 22px));
  }
  .section,
  .hero-grid {
    padding-top: 64px;
    padding-bottom: 64px;
  }
  .header-inner { padding: 14px 0; }
  .btn,
  .btn-dark,
  .btn-primary,
  .btn-light {
    width: 100%;
  }
  .hero-actions {
    flex-direction: column;
  }
}