* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #000000;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  text-decoration: none;
}

.lp-hero {
  position: relative;
  min-height: 100vh;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px 40px;
  background:
    radial-gradient(circle at top, rgba(255, 190, 0, 0.18), transparent 28%),
    radial-gradient(circle at bottom, rgba(255, 145, 0, 0.12), transparent 30%),
    linear-gradient(180deg, #050505 0%, #0a0a0a 45%, #000000 100%);
}

.overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.72)),
    radial-gradient(circle at center, transparent 35%, rgba(0, 0, 0, 0.38) 100%);
  z-index: 1;
  pointer-events: none;
}

.sparkles,
.sparkles::before,
.sparkles::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.sparkles {
  z-index: 2;
}

.sparkles::before,
.sparkles::after {
  content: "";
  background-repeat: repeat;
}

.sparkles::before {
  background-image:
    radial-gradient(circle, rgba(255, 215, 90, 0.9) 1px, transparent 2px),
    radial-gradient(circle, rgba(255, 238, 180, 0.75) 1px, transparent 2px);
  background-size: 120px 120px, 180px 180px;
  background-position: 0 0, 40px 60px;
  opacity: 0.38;
  animation: sparkleFloat 7s linear infinite;
}

.sparkles::after {
  background-image:
    radial-gradient(circle, rgba(255, 174, 0, 0.8) 1px, transparent 2px);
  background-size: 90px 90px;
  background-position: 20px 30px;
  opacity: 0.24;
  animation: sparkleFloat 10s linear infinite;
}

.hero-inner {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.visual-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-button-wrap {
  position: relative;
  display: inline-block;
  width: 100%;
  max-width: 560px;
}

.main-visual {
  width: 100%;
  max-width: 560px;
  height: auto;
  display: block;
  border-radius: 18px;
  box-shadow:
    0 0 18px rgba(255, 190, 0, 0.18),
    0 0 40px rgba(255, 174, 0, 0.18),
    0 0 90px rgba(255, 174, 0, 0.08);
  animation: visualGlow 2.8s ease-in-out infinite;
}

.cta-link {
  display: inline-block;
  transition: transform 0.25s ease, filter 0.25s ease;
}

.cta-link:hover {
  filter: drop-shadow(0 0 18px rgba(255, 200, 0, 0.45));
}

.cta-overlay {
  position: absolute;
  left: 50%;
  bottom: 0.8%;
  transform: translateX(-50%);
  z-index: 5;
  animation: buttonPulse 2s ease-in-out infinite;
}

.cta-overlay:hover {
  transform: translateX(-50%) translateY(-2px) scale(1.03);
}

.cta-image {
  width: 100%;
  max-width: 300px;
  height: auto;
  display: block;
  filter:
    drop-shadow(0 0 12px rgba(255, 208, 70, 0.35))
    drop-shadow(0 0 24px rgba(255, 166, 0, 0.22));
}

@keyframes sparkleFloat {
  0% {
    opacity: 0.18;
    transform: translateY(0);
  }
  50% {
    opacity: 0.42;
    transform: translateY(10px);
  }
  100% {
    opacity: 0.18;
    transform: translateY(0);
  }
}

@keyframes buttonPulse {
  0%, 100% {
    transform: translateX(-50%) scale(1);
  }
  50% {
    transform: translateX(-50%) scale(1.04);
  }
}

@keyframes visualGlow {
  0%, 100% {
    box-shadow:
      0 0 18px rgba(255, 190, 0, 0.18),
      0 0 40px rgba(255, 174, 0, 0.18),
      0 0 90px rgba(255, 174, 0, 0.08);
  }
  50% {
    box-shadow:
      0 0 22px rgba(255, 215, 110, 0.26),
      0 0 52px rgba(255, 183, 0, 0.24),
      0 0 110px rgba(255, 174, 0, 0.12);
  }
}

@media (max-width: 768px) {
  .lp-hero {
    padding: 18px 12px 30px;
  }

  .hero-inner {
    max-width: 100%;
  }

  .visual-button-wrap {
    max-width: 500px;
  }

  .main-visual {
    max-width: 500px;
    border-radius: 14px;
  }

  .cta-image {
    max-width: 280px;
  }

  .cta-overlay {
    bottom: 0.8%;
  }
}

@media (max-width: 480px) {
  .lp-hero {
    padding: 14px 10px 24px;
  }

  .visual-button-wrap {
    max-width: 100%;
  }

  .main-visual {
    max-width: 100%;
    border-radius: 12px;
  }

  .cta-image {
    max-width: 220px;
  }

  .cta-overlay {
    bottom: 0.8%;
  }
}
