:root {
  --bg: #0b1220;
  --bg-card: #121c30;
  --text: #e8eef7;
  --text-dim: #9fb0c7;
  --accent: #38bdf8;
  --accent-2: #34d399;
  --border: #22334f;
  --max: 860px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem;
}
header .inner, main, footer .inner {
  max-width: var(--max);
  margin: 0 auto;
}
header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
}
.logo {
  font-size: 1.35rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--text);
  letter-spacing: -.02em;
}
.logo span { color: var(--accent); }
nav a {
  color: var(--text-dim);
  text-decoration: none;
  margin-left: 1.1rem;
  font-size: .95rem;
}
nav a:hover { color: var(--accent); }

main { padding: 2.5rem 1.25rem 4rem; }

.hero { text-align: center; padding: 3rem 0 2.5rem; }
.hero h1 {
  font-size: clamp(1.9rem, 5vw, 3rem);
  letter-spacing: -.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.hero h1 em { color: var(--accent); font-style: normal; }
.hero p.sub {
  color: var(--text-dim);
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 2rem;
}
.badge {
  display: inline-block;
  border: 1px solid var(--border);
  color: var(--accent-2);
  border-radius: 999px;
  padding: .25rem .9rem;
  font-size: .85rem;
  margin-bottom: 1.25rem;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: #062033;
  font-weight: 700;
  text-decoration: none;
  padding: .8rem 1.6rem;
  border-radius: 10px;
  margin: .3rem;
}
.cta.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.cta:hover { filter: brightness(1.1); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin: 2.5rem 0;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.4rem;
}
.card h3 { margin-bottom: .5rem; font-size: 1.05rem; }
.card p { color: var(--text-dim); font-size: .95rem; }
.card .icon { font-size: 1.6rem; margin-bottom: .6rem; display: block; }

article { max-width: 720px; margin: 0 auto; }
article h1 { font-size: 2rem; letter-spacing: -.02em; margin-bottom: 1rem; }
article h2 { font-size: 1.35rem; margin: 2rem 0 .75rem; }
article p, article li { color: var(--text-dim); margin-bottom: .9rem; }
article ul, article ol { padding-left: 1.4rem; }
article strong { color: var(--text); }
article table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: .95rem;
}
article th, article td {
  border: 1px solid var(--border);
  padding: .55rem .7rem;
  text-align: left;
}
article th { color: var(--text); background: var(--bg-card); }
article td { color: var(--text-dim); }
.note {
  background: var(--bg-card);
  border-left: 3px solid var(--accent-2);
  border-radius: 0 10px 10px 0;
  padding: .9rem 1.1rem;
  font-size: .92rem;
  color: var(--text-dim);
  margin: 1.5rem 0;
}

footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 1.25rem 2.5rem;
  color: var(--text-dim);
  font-size: .88rem;
}
footer .inner { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; }
footer a { color: var(--text-dim); }
footer a:hover { color: var(--accent); }