:root {
  --bg: #0b1220;
  --panel: #111a2d;
  --panel-soft: #17233b;
  --text: #e9eefc;
  --muted: #b7c2de;
  --accent: #57a5ff;
  --accent-strong: #2b84f0;
  --border: #243556;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.topbar {
  background: #070d19;
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

.topbar p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  text-align: center;
}

section {
  padding: 70px 0;
  border-bottom: 1px solid var(--border);
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.25;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin-bottom: 18px;
}

h2 {
  font-size: clamp(1.4rem, 2.8vw, 2.1rem);
  margin-bottom: 18px;
}

p {
  color: var(--muted);
  margin: 0 0 15px;
}

.hero {
  background: linear-gradient(150deg, #0f1a31 0%, #0b1220 60%);
  text-align: left;
}

.hero p {
  max-width: 760px;
}

.button {
  display: inline-block;
  margin-top: 8px;
  background: var(--accent);
  color: #051126;
  text-decoration: none;
  font-weight: bold;
  padding: 12px 18px;
  border-radius: 8px;
  transition: background 0.2s ease;
}

.button:hover {
  background: var(--accent-strong);
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.card p {
  margin: 0;
}

.list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.cta {
  text-align: center;
  background: linear-gradient(150deg, #101d36 0%, #0e1730 100%);
}

.cta p {
  max-width: 760px;
  margin: 0 auto 10px;
}

.footer {
  padding: 28px 0;
  background: #070d19;
}

.footer p {
  text-align: center;
  margin: 0;
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .grid.four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid.three {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  section {
    padding: 56px 0;
  }

  .grid.two,
  .grid.three,
  .grid.four {
    grid-template-columns: 1fr;
  }
}