:root { --ink: #eef3ff; --bg: #0d1126; --acc: #6fd08a; --acc2: #f0894f; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.6 system-ui, sans-serif; }
#topbar { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; }
#wordmark { font-weight: 800; letter-spacing: .28em; }
#topbar nav { display: flex; gap: 18px; }
#topbar a { color: #b9c6ff; text-decoration: none; }
#hero { position: relative; min-height: 74vh; }
#hero-preview { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero-copy {
  position: absolute; left: 24px; bottom: 34px; max-width: 62%;
  text-shadow: 0 2px 14px rgba(5,8,25,.85);
}
.hero-copy h1 { font-size: 52px; letter-spacing: .22em; margin: 0 0 6px; text-transform: uppercase; }
.tagline { font-size: 19px; margin: 0; }
.play-now {
  display: inline-block; margin-top: 14px; padding: 12px 26px;
  background: linear-gradient(135deg, var(--acc), #3fa7d8);
  color: #10231a; font-weight: 800; border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0,0,0,.45);
}
#features-sec, #controls-sec, #gallery-sec { padding: 26px 22px; }
#features { list-style: "◆ "; margin: 0; }
#features li { margin: 4px 0; }
#controls h2 { font-size: 20px; margin: 0; }
#controls p { margin: 6px 0; }
b { color: #9fb4ff; }
#gallery { display: flex; gap: 14px; flex-wrap: wrap; }
#gallery img { width: 30%; min-width: 240px; border-radius: 12px; display: block; }
footer { padding: 18px 22px; opacity: .7; }
@media (max-width: 420px) {
  #hero { min-height: 56vh; }
  .hero-copy h1 { font-size: 30px; }
  .tagline { font-size: 15px; }
  .play-now { margin-top: 8px; padding: 10px 20px; }
  #gallery img { width: 100%; min-width: 0; margin-bottom: 12px; }
  #topbar nav { display: none; }
}