body {
  background:
    radial-gradient(circle at top, rgba(215, 238, 246, 0.9), rgba(248, 250, 252, 0) 28%),
    #f8fafc;
}

/* Custom Scrollbar (Light Mode) */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #f8fafc; /* Slate 50 */
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1; /* Slate 300 */
  border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8; /* Slate 400 */
}

/* Glow Backdrops (Unused/Faint in Light Mode) */
.glow-blur {
  display: none;
}

/* Clean Card Style (Light Mode) */
.glass-card {
  background: #ffffff;
  border: 1px solid rgba(226, 232, 240, 0.8); /* border-slate-200 */
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05); /* shadow-sm */
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  border-color: rgba(15, 118, 153, 0.2);
  box-shadow: 0 4px 12px -2px rgba(0, 0, 0, 0.05), 0 2px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Keynote Image Container border change on hover */
.speaker-card:hover .speaker-img-container {
  border-color: rgba(15, 118, 153, 0.3);
}

.speaker-feature {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.speaker-figure-wrap {
  flex-shrink: 0;
}

.speaker-portrait {
  width: 100%;
  max-width: 260px;
  aspect-ratio: 4 / 5;
  padding: 0.9rem;
  background: linear-gradient(180deg, #fff, #f8fafc);
  box-shadow: 0 12px 28px -24px rgba(7, 59, 76, 0.35);
}

.speaker-portrait svg {
  width: 100%;
  height: 100%;
  display: block;
}

.speaker-copy {
  flex: 1;
}

@media (min-width: 1024px) {
  .speaker-feature {
    flex-direction: row;
    align-items: flex-start;
    gap: 3rem;
  }

  .speaker-figure-wrap {
    width: 280px;
  }
}

/* Floating Navbar Custom Styles */
.navbar-floating {
  margin-top: 0;
  padding-left: 2rem;
  padding-right: 2rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(211, 237, 245, 0.95);
  box-shadow: 0 18px 42px -28px rgba(7, 59, 76, 0.45);
}

.hero-shell {
  background:
    linear-gradient(180deg, rgba(7, 59, 76, 0.04), rgba(7, 59, 76, 0.01)),
    linear-gradient(135deg, rgba(248, 250, 252, 0.96), rgba(255, 255, 255, 0.98));
  border-bottom: 1px solid rgba(211, 237, 245, 0.9);
}

.hero-mesh {
  background-image:
    linear-gradient(rgba(7, 59, 76, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 59, 76, 0.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 92%);
}

.hero-banner-card {
  position: relative;
}

.hero-banner-card::after {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  pointer-events: none;
}

.hero-copy-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.96));
  box-shadow: 0 24px 60px -42px rgba(7, 59, 76, 0.42);
}