::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #9ca3af; }
.dark ::-webkit-scrollbar-thumb { background: #4b5563; }

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

.material-symbols-outlined { font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24; }
.icon-fill { font-variation-settings: "FILL" 1; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; }
.reveal.in { animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards; }

/* Subtle grid + glow backdrop for the hero */
.hero-grid {
  background-image:
    linear-gradient(to right, rgba(37, 99, 235, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(37, 99, 235, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}
.dark .hero-grid {
  background-image:
    linear-gradient(to right, rgba(96, 165, 250, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(96, 165, 250, 0.08) 1px, transparent 1px);
}

.marquee-track { animation: marquee 32s linear infinite; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

details > summary { list-style: none; }
details > summary::-webkit-details-marker { display: none; }
details[open] .faq-chevron { transform: rotate(180deg); }