:root {
  --bg: #f6f8fc;
  --ink: #0f172a;
  --muted: #64748b;
  --card: #ffffff;
  --teal: #0f766e;
  --blue: #2563eb;
  --line: #e5e7eb;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

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

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 23px;
  font-weight: 900;
  letter-spacing: -0.5px;
}

.links {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}

.links a {
  color: #475569;
  font-weight: 800;
  font-size: 14px;
}

.links .button {
  background: linear-gradient(135deg, var(--teal), var(--blue));
  color: #ffffff;
  padding: 11px 16px;
  border-radius: 999px;
}

.hero {
  color: #ffffff;
  background:
    radial-gradient(circle at 15% 20%, rgba(20, 184, 166, 0.36), transparent 32%),
    radial-gradient(circle at 85% 15%, rgba(37, 99, 235, 0.30), transparent 35%),
    linear-gradient(135deg, #07111f, #0f172a 55%, #0f766e);
  padding: 86px 0 74px;
}

.hero h1 {
  font-size: clamp(42px, 6vw, 74px);
  line-height: 0.96;
  letter-spacing: -3px;
  margin: 0 0 20px;
  max-width: 820px;
}

.hero p {
  color: #cbd5e1;
  font-size: 20px;
  line-height: 1.65;
  max-width: 690px;
}

.cta {
  display: inline-block;
  margin-top: 24px;
  color: #ffffff;
  font-weight: 900;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  padding: 15px 22px;
  border-radius: 15px;
  box-shadow: 0 16px 38px rgba(37, 99, 235, 0.25);
}

.section {
  padding: 60px 0;
}

.section h2 {
  font-size: clamp(32px, 4vw, 48px);
  letter-spacing: -1.5px;
  margin: 0 0 12px;
}

.section p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 17px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 26px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 26px;
  box-shadow: var(--shadow);
}

.tag {
  display: inline-block;
  background: #ccfbf1;
  color: #115e59;
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 13px;
}

.footer {
  background: #07111f;
  color: #ffffff;
  padding: 34px 0;
  margin-top: 40px;
}

.footer a {
  color: #cbd5e1;
  margin-right: 14px;
  font-weight: 700;
}

@media (max-width: 850px) {
  .nav {
    align-items: flex-start;
    gap: 14px;
    flex-direction: column;
  }

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