/* ===== Ekspert AI — wspólne style ===== */
html, body { scroll-behavior: smooth; }
body { background-color: #0a162e; }

.glass {
  background: rgba(11, 30, 61, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.grid-bg {
  background-image:
    linear-gradient(rgba(59,130,246,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.06) 1px, transparent 1px);
  background-size: 56px 56px;
}

.text-gradient {
  background: linear-gradient(90deg, #60a5fa 0%, #3b82f6 50%, #93c5fd 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.glow { box-shadow: 0 0 60px -15px rgba(59,130,246,0.45); }

/* reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* float animation */
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.animate-floaty { animation: floaty 6s ease-in-out infinite; }

/* logo cloud */
.logo-item { filter: grayscale(0); opacity: .85; transition: opacity .25s ease, transform .25s ease; }
.logo-item:hover { opacity: 1; transform: translateY(-2px); }
.logo-item img { height: 28px; width: auto; }

/* nav dropdown */
.dropdown-panel { opacity: 0; visibility: hidden; transform: translateY(6px); transition: all .2s ease; }
.dropdown:hover .dropdown-panel { opacity: 1; visibility: visible; transform: translateY(0); }