:root {
  --bg: #eef5fb;
  --surface: #ffffff;
  --surface-soft: #f6f9fc;
  --text: #102033;
  --muted: #5e7186;
  --line: #c6d8eb;
  --accent: #2167e8;
  --accent-dark: #174fc0;
  --accent-soft: #e4efff;
  --shadow: 0 18px 45px rgba(31, 72, 122, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f8fbff 0%, var(--bg) 42%, #f7fbff 100%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 64px);
  background: rgba(248, 251, 255, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  color: white;
  background: var(--accent);
  box-shadow: 0 8px 18px rgba(33, 103, 232, 0.28);
}

.nav {
  display: flex;
  gap: 20px;
  color: var(--muted);
  font-size: 15px;
}

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

main {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 34px;
  align-items: center;
  min-height: 620px;
  padding: 70px 0 48px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 13px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.02em;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.08;
}

h3 {
  margin-bottom: 12px;
  font-size: 20px;
}

.lead {
  max-width: 670px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.6;
}

.hero-actions,
.contact {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.trust-row span {
  padding: 8px 12px;
  color: #24425f;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 700;
}

.button.primary {
  color: white;
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 12px 24px rgba(33, 103, 232, 0.22);
}

.button.primary:hover {
  background: var(--accent-dark);
}

.button.secondary {
  background: white;
}

.button.secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-panel {
  display: grid;
  gap: 14px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.metric {
  padding: 18px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.metric span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
}

.metric strong {
  display: block;
  font-size: 22px;
}

.section {
  padding: 64px 0;
  border-top: 1px solid var(--line);
}

.section-title {
  max-width: 680px;
  margin-bottom: 28px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.card {
  min-height: 210px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 8px 22px rgba(31, 72, 122, 0.08);
}

.card p,
.feature p,
.text-block,
.contact p {
  color: var(--muted);
  line-height: 1.6;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature {
  padding: 20px;
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 8px 22px rgba(31, 72, 122, 0.07);
}

.feature strong {
  display: block;
  margin-bottom: 10px;
  font-size: 18px;
}

.feature p {
  margin-bottom: 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: 36px;
  align-items: start;
}

.text-block {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.text-block ul {
  margin: 18px 0 0;
  padding-left: 20px;
}

.contact {
  justify-content: space-between;
  padding: 34px;
  margin: 64px 0;
  background: var(--accent-soft);
  border: 1px solid #b8d0ff;
  border-radius: 14px;
}

.contact > div {
  max-width: 680px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 4vw, 64px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 900px) {
  .hero,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 640px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    flex-wrap: wrap;
  }

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

  .contact {
    padding: 22px;
  }
}