:root {
  --panel: #12171c;
  --sheet: #1a1f26;
  --idle: #d6dee3;
  --gold: #e8a317;
  --ink: #1f1f21;
  --muted: #8b9299;
  --body: #b3bdc4;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--panel);
  color: var(--idle);
  font-family: "Segoe UI", Tahoma, sans-serif;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
}

main {
  max-width: 560px;
  padding: 40px 36px 44px;
  background: var(--sheet);
  border: 1px solid rgba(214, 222, 227, 0.85);
  border-radius: 20px;
}

.mark {
  margin: 0 0 8px;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 13px;
}

h1 {
  margin: 0 0 16px;
  color: var(--gold);
  font-weight: 600;
  font-size: 52px;
  line-height: 1.05;
}

.lead, .meta {
  margin: 0 0 16px;
  color: var(--body);
  font-size: 17px;
  line-height: 1.45;
}

.meta { color: var(--muted); font-size: 15px; }

.actions { margin: 28px 0 0; }

.download {
  display: inline-block;
  padding: 14px 28px;
  background: var(--gold);
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 18px;
  border-radius: 12px;
}

.download:hover { filter: brightness(1.06); }