:root {
  --bg: #0b0d10;
  --panel: #12161b;
  --text: #f4f6f8;
  --muted: #aeb7c2;
  --line: #29313a;
  --accent: #8fe388;
  --accent-strong: #6fca68;
  --max: 820px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 15% 0%, rgba(143, 227, 136, 0.10), transparent 34rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover { color: #b7f3b1; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(11, 13, 16, 0.82);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.02em;
}

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

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
}

main {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
  padding: 4.5rem 0 6rem;
}

.hero {
  padding: 1.5rem 0 2.5rem;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 800;
  font-size: 0.77rem;
  margin-bottom: 0.75rem;
}

h1, h2, h3 {
  line-height: 1.18;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.45rem, 7vw, 4.5rem);
  margin: 0 0 1rem;
}

h2 {
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  margin: 2.5rem 0 0.65rem;
}

p, li { color: #d8dee5; }

.lede {
  max-width: 46rem;
  font-size: 1.12rem;
  color: var(--muted);
}

.meta {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  font-size: 0.9rem;
  margin-top: 0.75rem;
}

.card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.01));
  border-radius: 18px;
  padding: clamp(1.25rem, 4vw, 2rem);
  box-shadow: 0 18px 55px rgba(0,0,0,0.22);
}

.callout {
  border-left: 3px solid var(--accent);
  background: rgba(143, 227, 136, 0.07);
  padding: 1rem 1rem 1rem 1.15rem;
  border-radius: 0 12px 12px 0;
  margin: 1.5rem 0;
}

ul {
  padding-left: 1.25rem;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-inner {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
  padding: 1.5rem 0 2.5rem;
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.button-row {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.button {
  display: inline-block;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.78rem 1.05rem;
  border: 1px solid var(--line);
  color: var(--text);
  background: var(--panel);
  font-weight: 700;
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #0a0d0a;
}

.button:hover {
  transform: translateY(-1px);
}

@media (max-width: 620px) {
  .nav {
    align-items: flex-start;
    padding: 0.9rem 0;
    flex-direction: column;
  }

  main { padding-top: 2.5rem; }

  .nav-links {
    gap: 0.75rem;
  }
}