:root {
  --ink: #dbe6ff; --dim: #8fa0c8; --teal: #53f2c9; --blue: #7fd0ff;
  --bg: #070b16; --panel: #0e1528; --line: #233457; --red: #ff5f7a; --amber: #ffb347;
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body {
  background: radial-gradient(1200px 600px at 70% -10%, #14204a 0%, var(--bg) 60%);
  color: var(--ink); font-family: ui-sans-serif, system-ui, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55; overflow-x: hidden;
}
h1, h2, h3, .logo { font-family: ui-monospace, 'Cascadia Mono', Menlo, monospace; }

#nav { display: flex; justify-content: space-between; align-items: center;
  padding: 14px clamp(16px, 4vw, 48px); }
.logo { letter-spacing: .28em; font-size: 18px; color: var(--ink); }
.logo .dot { color: var(--teal); margin-left: 6px; }
.nav-play { color: var(--teal); text-decoration: none; border: 1px solid var(--teal);
  padding: 7px 16px; border-radius: 8px; font-size: 14px; letter-spacing: .08em; }
.nav-play:hover { background: rgba(83,242,201,.12); }

#hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(20px, 4vw, 48px);
  align-items: center; padding: clamp(24px, 5vh, 64px) clamp(16px, 4vw, 48px); max-width: 1280px; margin: 0 auto; }
.kicker { color: var(--blue); letter-spacing: .3em; font-size: 12px; margin-bottom: 14px; }
#hero-text h1 { font-size: clamp(42px, 6.5vw, 82px); line-height: 1; letter-spacing: .06em;
  text-shadow: 0 0 40px rgba(83,242,201,.25); }
#hero-text h1 span { display: block; font-size: clamp(13px, 1.6vw, 20px); letter-spacing: .52em;
  color: var(--teal); margin-top: 10px; }
.tagline { font-size: clamp(16px, 2vw, 21px); color: var(--ink); margin-top: 18px; font-weight: 600; }
.hero-blurb { color: var(--dim); margin-top: 12px; max-width: 46ch; font-size: 15px; }
#play-now, #play-now-2 { display: inline-block; margin-top: 22px; padding: 15px 34px;
  background: linear-gradient(135deg, var(--teal), var(--blue)); color: #04121e;
  text-decoration: none; font-weight: 700; font-size: 17px; border-radius: 11px;
  letter-spacing: .05em; box-shadow: 0 0 34px rgba(83,242,201,.35); }
#play-now:hover, #play-now-2:hover { filter: brightness(1.13); transform: translateY(-1px); }
.tiny { margin-top: 10px; font-size: 12px; color: var(--dim); }

#hero-canvas-wrap { position: relative; border: 1px solid var(--line); border-radius: 14px;
  overflow: hidden; background: var(--panel); box-shadow: 0 20px 60px rgba(0,0,0,.5), 0 0 50px rgba(40,100,200,.12); }
#hero-preview { display: block; width: 100%; height: clamp(220px, 38vh, 420px); }
.scanline { position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,.025) 0 1px, transparent 1px 4px); }

main { max-width: 1280px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 48px); }
section { margin: clamp(48px, 9vh, 110px) 0; }
h2 { font-size: clamp(22px, 3vw, 32px); letter-spacing: .12em; color: var(--blue);
  border-left: 4px solid var(--teal); padding-left: 14px; margin-bottom: 26px; }

#features { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
#features li { background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 18px; color: var(--dim); font-size: 15px; }
#features b { color: var(--teal); display: block; margin-bottom: 4px; }

#gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
#gallery figure { margin: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  background: var(--panel); }
#gallery img { display: block; width: 100%; height: auto; }
#gallery figcaption { padding: 9px 12px; font-size: 13px; color: var(--dim);
  border-top: 1px solid var(--line); }

#controls { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.ctrl { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.ctrl h3 { color: var(--teal); letter-spacing: .14em; font-size: 14px; margin-bottom: 10px; }
.ctrl p { color: var(--dim); font-size: 14px; }
.ctrl b { color: var(--ink); }

footer { border-top: 1px solid var(--line); padding: 26px clamp(16px, 4vw, 48px);
  color: var(--dim); font-size: 13px; }

@media (max-width: 860px) {
  #hero { grid-template-columns: 1fr; padding-top: 10px; }
  #hero-canvas-wrap { order: -1; }
  #features { grid-template-columns: 1fr; }
}