html { scroll-behavior: smooth; }
.ease-premium {
  transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}
.premium-button {
  box-shadow: inset 0 0 0 rgba(232, 237, 242, 0);
}
.premium-button:hover {
  transform: scale(1.02);
  box-shadow: inset 0 0 26px rgba(232, 237, 242, 0.22);
  filter: brightness(1.05);
}
.premium-link {
  opacity: 0.86;
}
.premium-link:hover {
  opacity: 1;
  transform: translateY(-1px);
}
.menu-link {
  position: relative;
}
.menu-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 1px;
  background: rgba(192, 192, 192, 0.6);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}
.menu-link:hover::after {
  transform: scaleX(1);
}
.premium-card {
  opacity: 0.94;
}
.premium-card:hover {
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.logo-glow {
  position: absolute;
  inset: -8px -18px;
  background:
    radial-gradient(46% 46% at 34% 34%, rgba(232, 237, 242, 0.34), transparent 72%),
    radial-gradient(40% 40% at 68% 60%, rgba(192, 192, 192, 0.22), transparent 76%);
  filter: blur(10px);
  opacity: 0.62;
  pointer-events: none;
}

.hero-image-glow {
  position: absolute;
  inset: -18% -12% -16% -14%;
  background:
    radial-gradient(55% 55% at 30% 20%, rgba(232, 237, 242, 0.35), transparent 65%),
    radial-gradient(40% 40% at 80% 70%, rgba(192, 192, 192, 0.25), transparent 70%);
  filter: blur(26px);
  opacity: 0.85;
  pointer-events: none;
}

.hero-image-smoke {
  position: absolute;
  inset: -10% -10% -5% -10%;
  background:
    radial-gradient(45% 45% at 20% 30%, rgba(255, 255, 255, 0.12), transparent 70%),
    radial-gradient(40% 40% at 75% 25%, rgba(232, 237, 242, 0.15), transparent 70%),
    radial-gradient(55% 55% at 65% 70%, rgba(192, 192, 192, 0.12), transparent 75%);
  filter: blur(32px);
  opacity: 0.7;
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero-image-sheen {
  position: absolute;
  inset: 0;
  background: linear-gradient(130deg, rgba(255, 255, 255, 0.18) 0%, transparent 55%, rgba(255, 255, 255, 0.08) 100%);
  opacity: 0.4;
  pointer-events: none;
}