:root {
  --ink: #18212b;
  --paper: #f7f7f2;
  --mint: #82dbc5;
  --ocean: #1e5178;
  --sun: #f2bf5e;
  --line: #d9dddf;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at -5% -10%, #d8f7ee 0%, transparent 60%),
    radial-gradient(900px 400px at 105% 0%, #dcefff 0%, transparent 60%),
    var(--paper);
}

a {
  color: var(--ocean);
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.nav {
  padding: 1rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
}

.nav-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  font-weight: 600;
}

.hero {
  margin: 0.8rem 0 1.2rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(130deg, #f1fff9, #ebf5ff);
  padding: clamp(1.2rem, 3vw, 2.7rem);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
}

.badge {
  display: inline-block;
  border-radius: 999px;
  background: #d8f7ee;
  border: 1px solid #b9e6d8;
  padding: 0.2rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 700;
}

h1 {
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  line-height: 1.08;
  margin: 0.7rem 0;
}

.subtitle {
  max-width: 780px;
  font-size: 1.05rem;
}

.cta {
  margin-top: 1.2rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  border-radius: 12px;
  padding: 0.7rem 1rem;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
}

.button.primary {
  background: var(--ocean);
  color: #ffffff;
}

.button.secondary {
  border-color: #86a2bc;
  color: var(--ocean);
  background: #f9fcff;
}

.grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.8rem;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #ffffff;
  padding: 1rem;
}

.panel h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

footer {
  margin: 1.5rem 0 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}

.small {
  opacity: 0.8;
}