:root {
  --bg: #031009;
  --bg2: #07180e;

  --green1: #42ff8a;
  --green2: #18d86a;
  --green3: #0a8f42;
  --emerald: #05351c;

  --gold1: #fff1a8;
  --gold2: #e5b947;
  --gold3: #a87412;

  --cyan: #30ffe9;
  --textDark: #041108;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  font-family: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
}

.page {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 18px 0;
  background:
    radial-gradient(900px 700px at 18% 10%, rgba(48, 255, 233, .11), transparent 55%),
    radial-gradient(900px 700px at 82% 25%, rgba(66, 255, 138, .12), transparent 55%),
    radial-gradient(900px 700px at 50% 92%, rgba(229, 185, 71, .10), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
}

.posterWrap {
  width: min(560px, 100vw);
  border-radius: 18px;
  overflow: hidden;
  background: #000;
  box-shadow:
    0 30px 120px rgba(0, 0, 0, .65),
    0 0 44px rgba(66, 255, 138, .10);
  position: relative;

  /* กันปุ่ม fixed ทับเนื้อหาด้านล่าง */
  padding-bottom: 124px;
}

.posterImg {
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
  -webkit-user-drag: none;
}

/* CTA — CLUBX Dark Premium */
.cta {
  position: fixed;
  left: 50%;
  bottom: 16px;
  width: min(540px, 92vw);
  height: 76px;
  z-index: 50;

  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;

  border-radius: 999px;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;

  font-weight: 1000;
  font-size: 28px;
  letter-spacing: .25px;

  color: #ffeeb5;
  text-shadow:
    0 2px 0 rgba(0, 0, 0, .55),
    0 0 12px rgba(255, 220, 120, .25);

  background:
    radial-gradient(120% 180% at 18% 0%, rgba(255,255,255,.10), transparent 44%),
    linear-gradient(
      180deg,
      #123923 0%,
      #082616 45%,
      #03150c 100%
    );

  border: 2px solid #d7b45c;

  box-shadow:
    0 18px 70px rgba(0, 0, 0, .72),
    0 0 0 1px rgba(255,255,255,.08) inset,
    0 0 0 3px rgba(215,180,92,.14) inset,
    0 0 22px rgba(215,180,92,.28),
    0 0 34px rgba(34,255,137,.16);

  transform: translateX(-50%);
  transition: transform .22s ease, opacity .22s ease, filter .22s ease;
}

.cta span {
  position: relative;
  z-index: 2;
}

.spark {
  font-size: 28px;
  line-height: 1;
  color: #ffeeb5;
  text-shadow:
    0 0 8px rgba(255, 238, 181, .80),
    0 0 14px rgba(34, 255, 137, .35);
  animation: sparkBlink 1.8s ease-in-out infinite;
}

/* แสงทองวิ่งแบบ Premium */
.cta::before {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 999px;
  background: linear-gradient(
    110deg,
    transparent 0%,
    rgba(255, 238, 181, .12) 18%,
    rgba(255, 255, 255, .42) 30%,
    rgba(255, 238, 181, .18) 44%,
    transparent 62%
  );
  transform: translateX(-70%);
  opacity: .62;
  filter: blur(1px);
  animation: shinePremium 2.6s ease-in-out infinite;
  pointer-events: none;
  mix-blend-mode: screen;
}

/* Glow เขียวทองด้านนอก */
.cta::after {
  content: "";
  position: absolute;
  inset: -5px;
  border-radius: 999px;
  background:
    linear-gradient(
      90deg,
      rgba(215, 180, 92, .65),
      rgba(34, 255, 137, .45),
      rgba(215, 180, 92, .55)
    );
  opacity: .18;
  filter: blur(12px);
  z-index: -1;
  animation: auraPremium 3s ease-in-out infinite;
}

@keyframes shinePremium {
  0% {
    transform: translateX(-70%);
    opacity: .22;
  }

  45% {
    opacity: .72;
  }

  100% {
    transform: translateX(70%);
    opacity: .28;
  }
}

@keyframes auraPremium {
  0% {
    opacity: .12;
    transform: scale(.98);
  }

  50% {
    opacity: .26;
    transform: scale(1.025);
  }

  100% {
    opacity: .12;
    transform: scale(.98);
  }
}

@keyframes sparkBlink {
  0%, 100% {
    opacity: 1;
    transform: scale(1) rotate(-5deg);
  }

  45% {
    opacity: .78;
    transform: scale(1.08) rotate(3deg);
  }

  60% {
    opacity: 1;
    transform: scale(1.02) rotate(-2deg);
  }
}

@keyframes clubPulse {
  0% {
    transform: translateX(-50%) scale(1);
    filter: brightness(1);
  }

  50% {
    transform: translateX(-50%) scale(1.025);
    filter: brightness(1.08);
  }

  100% {
    transform: translateX(-50%) scale(1);
    filter: brightness(1);
  }
}

.cta.pulse {
  animation: clubPulse 2.7s ease-in-out infinite;
}

.cta.is-down {
  transform: translateX(-50%) translateY(10px) scale(.985);
  opacity: .92;
}

.cta.is-up {
  transform: translateX(-50%) translateY(0) scale(1);
  opacity: 1;
}

.cta:active {
  transform: translateX(-50%) scale(.985);
  filter: brightness(1.12);
}

@media (prefers-reduced-motion: reduce) {
  .cta::before,
  .cta::after,
  .cta.pulse,
  .spark {
    animation: none;
  }
}

.cta span {
  position: relative;
  z-index: 2;
}

.spark {
  font-size: 30px;
  line-height: 1;
  color: #fff4b8;
  text-shadow:
    0 0 8px rgba(255, 244, 184, .95),
    0 0 16px rgba(66, 255, 138, .65);
  animation: sparkBlink 1.35s ease-in-out infinite;
}

/* แสงวิ่งบนปุ่ม */
.cta::before {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 999px;
  background: linear-gradient(
    110deg,
    transparent 0%,
    rgba(255,255,255,.82) 22%,
    rgba(255,255,255,.22) 42%,
    transparent 62%
  );
  transform: translateX(-62%);
  opacity: .72;
  filter: blur(1px);
  animation: shine 2.05s ease-in-out infinite;
  pointer-events: none;
  mix-blend-mode: overlay;
}

/* Aura ด้านนอก */
.cta::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 999px;
  background:
    linear-gradient(
      90deg,
      rgba(255, 241, 168, .85),
      rgba(66, 255, 138, .85),
      rgba(48, 255, 233, .65)
    );
  opacity: .22;
  filter: blur(11px);
  z-index: -1;
  animation: auraPulse 2.8s ease-in-out infinite;
}

@keyframes shine {
  0% {
    transform: translateX(-62%);
    opacity: .30;
  }

  42% {
    opacity: .96;
  }

  100% {
    transform: translateX(68%);
    opacity: .40;
  }
}

@keyframes auraPulse {
  0% {
    opacity: .14;
    transform: scale(.98);
  }

  50% {
    opacity: .34;
    transform: scale(1.03);
  }

  100% {
    opacity: .14;
    transform: scale(.98);
  }
}

@keyframes sparkBlink {
  0%, 100% {
    opacity: 1;
    transform: scale(1) rotate(-6deg);
  }

  45% {
    opacity: .82;
    transform: scale(1.12) rotate(3deg);
  }

  60% {
    opacity: 1;
    transform: scale(1.03) rotate(-2deg);
  }
}

@keyframes clubPulse {
  0% {
    transform: translateX(-50%) scale(1);
    filter: brightness(1);
  }

  50% {
    transform: translateX(-50%) scale(1.035);
    filter: brightness(1.12);
  }

  100% {
    transform: translateX(-50%) scale(1);
    filter: brightness(1);
  }
}

.cta.pulse {
  animation: clubPulse 2.55s ease-in-out infinite;
}

.cta.is-down {
  transform: translateX(-50%) translateY(10px) scale(.985);
  opacity: .92;
}

.cta.is-up {
  transform: translateX(-50%) translateY(0) scale(1);
  opacity: 1;
}

.cta:active {
  transform: translateX(-50%) scale(.985);
  filter: brightness(1.12);
}

@media (prefers-reduced-motion: reduce) {
  .cta::before,
  .cta::after,
  .cta.pulse,
  .spark {
    animation: none;
  }
}