body {
  padding-top: 50px;
  background: #f8f9fa;
}

/* HERO */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  /* background: linear-gradient(120deg,#6a00ff,#00e5ff,#00ffb3); */
  background: linear-gradient(120deg, #020024, #000428, #004e92);

  background-size: 400% 400%;
  animation: heroGradient 18s ease infinite;
  color: #fff;
}

/* animated gradient */
@keyframes heroGradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* glow light */
.hero::before {
  content: "";
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.35),
    transparent 70%
  );
  top: -200px;
  left: -200px;
  filter: blur(40px);
}

/* grain texture */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("https://www.transparenttextures.com/patterns/asfalt-light.png");
  opacity: 0.15;
}

/* floating orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.6;
  animation: float 10s ease-in-out infinite;
}
.orb.one {
  width: 300px;
  height: 300px;
  background: #00e5ff;
  bottom: -100px;
  left: 10%;
}
.orb.two {
  width: 250px;
  height: 250px;
  background: #ff00f7;
  top: 20%;
  right: 15%;
  animation-delay: 3s;
}
.orb.three {
  width: 200px;
  height: 200px;
  background: #ffee00;
  top: 60%;
  left: 40%;
  animation-delay: 6s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-60px);
  }
}

/* glass content */
.hero .glass {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 30px;
  padding: 60px;
}

/* ADS */
.ads {
  background: #f1f1f1;
  border: 2px dashed #ccc;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #777;
  font-weight: 600;
  border-radius: 12px;
}
.ads-horizontal {
  height: 90px;
}
.ads-vertical {
  height: 600px;
}

/* CARD */
.card {
  border: 0;
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.07);
  transition: 0.3s;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 35px rgba(0, 0, 0, 0.15);
}
#particle-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.glass {
  animation: glassFloat 6s ease-in-out infinite;
}

@keyframes glassFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}
.glass-card,
.price-card {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(14px);
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  transition: 0.3s;
}
.glass-card:hover,
.price-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}
.price-card.featured {
  border: 3px solid #0d6efd;
  transform: scale(1.05);
}

/* Layanan */
.service-card {
  transition: 0.35s;
}
.service-card:hover {
  transform: translateY(-12px);
}

.portfolio-card {
  overflow: hidden;
}
.portfolio-card img {
  transition: 0.4s;
}
.portfolio-card:hover img {
  transform: scale(1.1);
}
.cta-premium {
  background: linear-gradient(135deg, #198754, #0dcaf0);
  color: #fff;
  padding: 90px 0;
}
.ads-banner {
  background: #f8f9fa;
  padding: 50px 0;
}
.ads-box {
  height: 250px;
  border: 2px dashed #ccc;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #aaa;
  font-weight: 600;
}
.footer-premium {
  background: #111;
  padding: 70px 0 30px;
}
#backToTop {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #4facfe, #00f2fe);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: 0.4s;
  z-index: 999;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
}

#backToTop:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}