:root {
  --ds-bg: #07111f;
  --ds-panel: #0d1b2f;
  --ds-panel-2: #10213a;
  --ds-text: #f5f7fb;
  --ds-muted: #9fb0c7;
  --ds-accent: #4cc9f0;
  --ds-border: rgba(255,255,255,.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--ds-bg);
  color: var(--ds-text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: var(--ds-accent);
}

.ds-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--ds-border);
  background: rgba(7,17,31,.92);
  position: sticky;
  top: 0;
  z-index: 20;
}

.ds-brand {
  color: var(--ds-text);
  font-weight: 800;
  letter-spacing: .02em;
  text-decoration: none;
}

.ds-nav ul {
  display: flex;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.ds-nav a {
  color: var(--ds-muted);
  text-decoration: none;
  font-weight: 600;
}

.ds-nav a:hover {
  color: var(--ds-text);
}

.ds-main {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0;
}

.ds-page {
  background: linear-gradient(180deg, var(--ds-panel), var(--ds-panel-2));
  border: 1px solid var(--ds-border);
  border-radius: 24px;
  padding: clamp(28px, 5vw, 64px);
  box-shadow: 0 24px 80px rgba(0,0,0,.28);
}

.ds-page h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.05;
  margin: 0 0 24px;
}

.ds-content {
  color: var(--ds-muted);
  font-size: 1.05rem;
}

.ds-footer {
  border-top: 1px solid var(--ds-border);
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--ds-muted);
}