@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&display=swap');

:root {
  --bg-top: #e8f6ff;
  --bg-mid: #d8f0ff;
  --bg-bot: #f3faff;
  --ink: #10243b;
  --ink-soft: #3d526a;
  --card: rgba(255, 255, 255, 0.65);
  --line: rgba(16, 36, 59, 0.12);
  --accent: #0b8ddd;
  --accent-2: #00b2c4;
  --ok: #0f8f5f;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  min-height: 100%;
}

body {
  background:
    radial-gradient(42rem 42rem at 8% -12%, rgba(11, 141, 221, 0.22), transparent 72%),
    radial-gradient(48rem 48rem at 92% -18%, rgba(0, 178, 196, 0.2), transparent 74%),
    linear-gradient(180deg, var(--bg-top), var(--bg-mid) 50%, var(--bg-bot));
}

.wrap {
  width: min(980px, calc(100% - 2.2rem));
  margin: 0 auto;
}

header {
  padding: 1.2rem 0;
}

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

.brand {
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--ink);
  font-size: 1.05rem;
}

.nav-links {
  display: flex;
  gap: 0.7rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 500;
  font-size: 0.95rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.75rem;
  backdrop-filter: blur(9px);
}

.hero,
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 44px rgba(10, 35, 62, 0.1);
}

.hero {
  padding: clamp(1.3rem, 3vw, 2.1rem);
}

h1 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.lead {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 60ch;
}

.grid {
  margin-top: 1rem;
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  padding: 1rem;
}

h2 {
  margin: 0;
  font-size: 1.05rem;
}

p {
  color: var(--ink-soft);
  line-height: 1.5;
}

a.cta,
button.cta {
  display: inline-block;
  margin-top: 0.4rem;
  text-decoration: none;
  border: 0;
  font: inherit;
  font-weight: 700;
  color: white;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border-radius: 12px;
  padding: 0.56rem 0.9rem;
}

.list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
}

.list li {
  margin: 0.33rem 0;
}

.notice {
  margin-top: 1rem;
  color: var(--ok);
  font-weight: 500;
}

.muted {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

section {
  margin-top: 1rem;
}

footer {
  margin: 1.35rem 0 1.8rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

hr.sep {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 1rem 0;
}

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

  .nav-links {
    width: 100%;
  }

  .nav-links a {
    flex: 1;
    text-align: center;
  }
}