:root {
  --ink: #071124;
  --muted: #617089;
  --line: #dbe7f5;
  --blue: #0597e8;
  --green: #10b981;
  --soft: #f3f8fd;
  --card: #ffffff;
  --shadow: 0 26px 80px rgba(8, 28, 66, .14);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 10%, rgba(5, 151, 232, .18), transparent 30rem),
    radial-gradient(circle at 90% 0%, rgba(16, 185, 129, .16), transparent 30rem),
    linear-gradient(135deg, #f8fbff, #eef5fb);
}

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: 20px clamp(20px, 5vw, 70px);
  background: rgba(248, 251, 255, .78);
  border-bottom: 1px solid rgba(219, 231, 245, .75);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 950;
}

.brand span {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--green));
  box-shadow: 0 12px 32px rgba(5, 151, 232, .28);
}

nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-weight: 800;
}

.login,
.primary,
.secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 14px 20px;
  font-weight: 950;
}

.login,
.primary {
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--green));
}

.secondary {
  color: #075985;
  background: #e8f5ff;
  border: 1px solid #bae6fd;
}

.hero {
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr);
  gap: 28px;
  align-items: center;
  padding: 70px clamp(20px, 5vw, 70px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -.045em;
}

h1 {
  max-width: 880px;
  font-size: clamp(48px, 8vw, 96px);
  line-height: .92;
}

h2 {
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1;
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 21px;
  line-height: 1.55;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-card {
  border-radius: 34px;
  padding: 30px;
  color: white;
  background:
    linear-gradient(135deg, rgba(7, 17, 36, .95), rgba(7, 89, 133, .9)),
    radial-gradient(circle at top right, rgba(16, 185, 129, .45), transparent 22rem);
  box-shadow: var(--shadow);
}

.pulse {
  width: 18px;
  height: 18px;
  display: inline-block;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 12px rgba(16, 185, 129, .18);
  margin-bottom: 28px;
}

.hero-card p {
  color: #dbeafe;
  line-height: 1.55;
}

dl {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
}

dl div {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .1);
}

dt { font-weight: 950; }
dd { margin: 4px 0 0; color: #bcd2ef; }

.strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  padding: 0 clamp(20px, 5vw, 70px) 70px;
}

.strip article,
.cards article,
.connectio {
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 24px;
  background: rgba(255, 255, 255, .85);
  box-shadow: 0 12px 34px rgba(8, 28, 66, .08);
}

.strip strong {
  display: block;
  font-size: 34px;
}

.strip span,
.cards p,
.connectio p,
footer span {
  color: var(--muted);
}

.section {
  padding: 80px clamp(20px, 5vw, 70px);
}

.section > h2 {
  max-width: 900px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.cards h3 {
  font-size: 26px;
}

.cards p,
.connectio p {
  font-size: 17px;
  line-height: 1.55;
}

.connectio {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.connectio div {
  max-width: 820px;
}

.dark {
  background: var(--ink);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 32px clamp(20px, 5vw, 70px);
  border-top: 1px solid var(--line);
}

@media (max-width: 900px) {
  .site-header,
  nav,
  .connectio,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero {
    min-height: auto;
  }
}