:root {
  --bg: #0b0b0d;
  --panel: #151518;
  --accent: #ff5600;
  --text: #eaeaea;
  --muted: #a0a0a0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* NAV (matches: <header class="nav"> ... <div class="nav-inner"> ) */
.nav {
  background: #000;
  border-bottom: 1px solid #222;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 1px;
}

.logo span {
  color: var(--accent);
}

nav a {
  color: var(--text);
  margin-left: 18px;
  text-decoration: none;
  font-weight: 600;
}

nav a:hover {
  color: var(--accent);
}

/* HERO (matches: <section class="hero"> ) */
.hero {
  text-align: center;
  padding: 80px 20px 60px;
}

.hero h1 {
  font-size: 56px;
  margin: 0 0 10px;
}

.tagline {
  font-size: 18px;
  color: var(--accent);
  margin-bottom: 8px;
}

.sub {
  color: var(--muted);
}

/* CONTENT (matches: <main class="container"> + <div class="card"> ) */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

.card {
  background: var(--panel);
  border-radius: 12px;
  padding: 24px;
  border: 1px solid #222;
}

.card h2 {
  margin-top: 0;
}

.card ul {
  padding-left: 18px;
  margin: 0;
}

.card li {
  margin-bottom: 8px;
}

.card strong {
  color: var(--text);
}

/* FOOTER (matches: <footer class="footer"> ) */
.footer {
  text-align: center;
  padding: 20px;
  font-size: 14px;
  color: var(--muted);
  border-top: 1px solid #222;
  margin-top: 30px;
}