.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 28px; position: sticky; top: 0; z-index: 5;
  background: rgba(20, 26, 46, .85); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.logo { font-weight: 900; letter-spacing: 3px; color: var(--ink); }
.logo span { color: var(--gold); }
.nav-play {
  color: #101726; background: var(--teal); padding: 8px 18px; border-radius: 999px;
  font-weight: 800; text-decoration: none; font-size: 14px;
}
.hero {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 34px; align-items: center;
  padding: 48px 28px 34px; max-width: 1180px; margin: 0 auto;
}
.hero-text h1 {
  font-size: clamp(42px, 7vw, 76px); line-height: 1.02; letter-spacing: 2px;
  background: linear-gradient(92deg, #ffd976 10%, #ff9d5e 45%, #46d8c4 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.tagline { margin: 14px 0 26px; font-size: clamp(16px, 2.2vw, 20px); color: var(--dim); max-width: 34ch; }
#play-now {
  display: inline-block; text-decoration: none; font-weight: 900; font-size: 19px;
  color: #101726; padding: 16px 36px; border-radius: 999px;
  background: linear-gradient(180deg, #ffd976, #f0a93c);
  box-shadow: 0 10px 34px rgba(255, 190, 80, .35), inset 0 1px 0 rgba(255,255,255,.5);
  transition: transform .15s, box-shadow .15s;
}
#play-now:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(255, 190, 80, .45); }
.hero-note { margin-top: 14px; font-size: 13px; color: #6c7ba0; }
.hero-canvas-wrap { position: relative; aspect-ratio: 4 / 3; }
#hero-preview { position: absolute; inset: 0; width: 100%; height: 100%; border-radius: 18px; }
.canvas-glow {
  position: absolute; inset: -18px; border-radius: 28px; pointer-events: none;
  background: radial-gradient(60% 60% at 60% 40%, rgba(255, 200, 90, .16), transparent 70%),
              radial-gradient(50% 50% at 25% 75%, rgba(70, 216, 196, .14), transparent 70%);
}
.strip {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  padding: 14px 16px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  color: var(--teal); font-weight: 700; letter-spacing: 1px; font-size: 14px;
  background: rgba(29, 37, 64, .5);
}
.strip i { color: #3a466e; font-style: normal; }
.block { max-width: 1180px; margin: 0 auto; padding: 44px 28px; }
.block h2 {
  font-size: 15px; letter-spacing: 4px; text-transform: uppercase;
  color: var(--gold); margin-bottom: 20px;
}
#gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
#gallery img {
  width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--line);
  background: var(--card); display: block;
}
.gal-loading { color: var(--dim); grid-column: 1 / -1; }
.two-col { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; }
#features { list-style: none; display: grid; gap: 14px; }
#features li {
  padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px;
  background: linear-gradient(160deg, rgba(45, 58, 98, .35), rgba(22, 29, 54, .5));
  color: var(--dim); line-height: 1.55; font-size: 15px;
}
#features b { color: var(--ink); }
#controls {
  border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px;
  background: rgba(22, 29, 54, .6); color: var(--dim); line-height: 1.6; font-size: 15px;
}
#controls b { color: var(--ink); }
#controls ul { list-style: none; margin: 12px 0; display: grid; gap: 8px; }
#controls li::before { content: "▸ "; color: var(--teal); }
.controls-note { font-size: 13px; color: #6c7ba0; }
.foot {
  display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; align-items: center;
  padding: 26px 28px; border-top: 1px solid var(--line); color: #6c7ba0; font-size: 13px;
}
#play-now-2 {
  text-decoration: none; font-weight: 800; color: #101726; background: var(--gold);
  padding: 10px 22px; border-radius: 999px;
}
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-top: 28px; }
  .hero-canvas-wrap { order: -1; max-width: 560px; margin: 0 auto; width: 100%; }
  .canvas-glow { inset: 0; border-radius: 18px; } /* keep the glow inside the viewport: no sideways scroll */
  .two-col { grid-template-columns: 1fr; }
  #gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 390px) {
  .nav { padding: 12px 16px; }
  .block { padding: 30px 16px; }
  .hero { padding: 20px 16px; }
}