/* ════════════════════════════════════════════════
   GINGUGU.COM — cracktro hero: plasma/starfield canvas, copper logo,
   sine scroller
   ════════════════════════════════════════════════ */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  display: block;
}
.hero-inner {
  padding: 48px var(--gutter) 110px;
  text-align: center;
  max-width: 1100px;
  margin: 0 auto;
}

/* copper-gradient ANSI logo with a chromatic-aberration twitch */
.ansi-logo {
  display: inline-block;
  font: 700 clamp(5.4px, 1.62vw, 17px)/1.05 var(--mono);
  letter-spacing: 0;
  background: linear-gradient(180deg,
    #fff 0%, var(--cyan) 18%, var(--blue) 34%, var(--magenta) 50%,
    var(--amber) 66%, var(--yellow) 82%, #fff 100%);
  background-size: 100% 300%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 10px rgba(255, 85, 255, 0.45));
  animation: copper 5s linear infinite, twitch 6s infinite;
}
@keyframes copper { to { background-position: 0 300%; } }
@keyframes twitch {
  0%, 92%, 100% { transform: none; filter: drop-shadow(0 0 10px rgba(255, 85, 255, 0.45)); }
  93% { transform: translateX(-3px) skewX(-8deg); filter: drop-shadow(3px 0 0 var(--red)) drop-shadow(-3px 0 0 var(--cyan)); }
  95% { transform: translateX(2px); filter: drop-shadow(-2px 0 0 var(--red)) drop-shadow(2px 0 0 var(--cyan)); }
}

.tagline {
  margin-top: 28px;
  font: clamp(30px, 5.4vw, 60px)/1.05 var(--pixel);
  font-weight: normal;
  color: #fff;
  text-shadow: 0 0 18px rgba(85, 255, 255, 0.7), 3px 3px 0 #000;
}
.cursor { color: var(--amber); animation: blink 1s steps(1) infinite; }

.hero-sub {
  max-width: 640px;
  margin: 20px auto 0;
  padding: 14px 18px;
  font-size: clamp(14px, 1.6vw, 16.5px);
  color: var(--ink);
  background: rgba(0, 0, 0, 0.62);
  border: 1px solid rgba(85, 255, 255, 0.25);
  backdrop-filter: blur(3px);
}

.badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 22px;
  font: 19px var(--pixel);
}
.badges span {
  padding: 1px 10px;
  color: var(--cyan);
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid var(--edge);
}
.badges .hot { color: #000; background: var(--amber); border-color: var(--amber); }

.enter {
  display: inline-block;
  margin-top: 30px;
  font: 28px var(--pixel);
  color: var(--yellow);
  padding: 4px 18px;
  border: 2px solid var(--yellow);
  background: rgba(0, 0, 0, 0.6);
  animation: blink 1.4s steps(1) infinite;
}
.enter:hover { animation: none; background: var(--yellow); color: #000; text-shadow: none; }

.scroller {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 72px;
  display: block;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
}

/* hero content powers on after the dial-in */
.js .hero-inner > * { opacity: 0; transform: translateY(14px); }
body.dialed .hero-inner > * {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s, transform 0.7s;
}
body.dialed .hero-inner > :nth-child(2) { transition-delay: 0.15s; }
body.dialed .hero-inner > :nth-child(3) { transition-delay: 0.3s; }
body.dialed .hero-inner > :nth-child(4) { transition-delay: 0.45s; }
body.dialed .hero-inner > :nth-child(5) { transition-delay: 0.6s; }
@media (prefers-reduced-motion: reduce) {
  .js .hero-inner > * { opacity: 1; transform: none; }
}