.nb-problem-section {
  position: relative;
  overflow: hidden;
  border: 0;
  background: #f8f9ff;
}
.nb-problem-section::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: -10%;
  background:
    radial-gradient(circle at 12% 15%, rgba(37, 99, 235, .16), transparent 42%),
    radial-gradient(circle at 88% 10%, rgba(201, 168, 76, .15), transparent 38%),
    radial-gradient(circle at 80% 85%, rgba(5, 150, 105, .13), transparent 42%),
    radial-gradient(circle at 12% 88%, rgba(27, 58, 140, .14), transparent 40%);
  filter: blur(6px);
  pointer-events: none;
}
.nb-problem-section::after {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  opacity: .55;
  background-image:
    linear-gradient(rgba(15, 23, 42, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, .035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 25%, #000, transparent 76%);
  -webkit-mask-image: radial-gradient(circle at 50% 25%, #000, transparent 76%);
  pointer-events: none;
}
.nb-problem-section > * { position: relative; z-index: 1; }
.nb-problem-section .nb-section-label { color: #2563eb; }
.nb-problem-heading { display: flex; align-items: end; justify-content: space-between; gap: 48px; margin-bottom: 30px; }
.nb-problem-heading h2 { max-width: 700px; margin: 12px 0 0; color: #0a0f1e; font: 700 clamp(1.9rem, 3.2vw, 3rem)/1.08 "Sora", sans-serif; letter-spacing: -.045em; }
/* Body-text tier: same size/color as the Features intro line and Closing CTA
   paragraph — was its own one-off size (.96rem) with the washed-out gray. */
.nb-problem-heading > p { max-width: 390px; margin: 0 0 5px; color: #1e293b; font-size: .95rem; line-height: 1.65; }
.nb-problem-toolbar, .nb-problem-footer { display: flex; align-items: center; justify-content: space-between; }
.nb-problem-toolbar { margin-bottom: 22px; }
.nb-problem-position { display: flex; align-items: center; gap: 10px; margin: 0; color: #475569; font: 500 .72rem "IBM Plex Mono", monospace; }
.nb-problem-position span:first-child { color: #0f172a; }
.nb-problem-position i { width: 54px; height: 1px; background: #cbd5e1; }
.nb-problem-controls { display: flex; gap: 9px; }
.nb-problem-controls button { display: grid; width: 44px; height: 44px; place-items: center; border: 1px solid #dbe3ef; border-radius: 50%; background: rgba(255, 255, 255, .9); color: #0f172a; box-shadow: 0 8px 24px rgba(15, 23, 42, .07); transition: border-color .25s ease, background .25s ease, color .25s ease, transform .25s ease; }
.nb-problem-controls button:hover { border-color: #2563eb; background: #2563eb; color: #fff; transform: translateY(-2px); }
.nb-problem-controls button:focus-visible, .nb-problem-dots button:focus-visible, .nb-problem-carousel:focus-visible { outline: 2px solid #60a5fa; outline-offset: 4px; }
.nb-problem-carousel { width: 100%; min-height: clamp(440px, 51vw, 680px); overflow: hidden; touch-action: pan-y; }
.nb-problem-stage { position: relative; width: 100%; height: clamp(440px, 51vw, 680px); perspective: 1600px; }
.nb-problem-slide { position: absolute; top: 0; left: 50%; width: min(72vw, 1080px); height: 100%; overflow: hidden; border: 1px solid rgba(148, 163, 184, .3); border-radius: 24px; background: #101827; box-shadow: 0 32px 80px rgba(15, 23, 42, .2); cursor: pointer; opacity: 0; transform: translateX(-50%) scale(.84); transition: transform .75s cubic-bezier(.2, .75, .2, 1), opacity .55s ease, filter .55s ease; }
.nb-problem-slide img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s cubic-bezier(.2, .75, .2, 1); }
.nb-problem-slide.is-active { z-index: 3; cursor: default; opacity: 1; transform: translateX(-50%) scale(1); }
.nb-problem-slide.is-previous { z-index: 1; opacity: .58; filter: saturate(.65) brightness(.82); transform: translateX(-116%) scale(.86) rotateY(4deg); }
.nb-problem-slide.is-next { z-index: 2; opacity: .58; filter: saturate(.65) brightness(.82); transform: translateX(16%) scale(.86) rotateY(-4deg); }
.nb-problem-slide.is-active:hover img { transform: scale(1.025); }
.nb-problem-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4, 8, 17, .94) 0%, rgba(4, 8, 17, .66) 34%, transparent 68%), linear-gradient(0deg, rgba(4, 8, 17, .55), transparent 45%); }
.nb-problem-copy { position: absolute; z-index: 2; top: clamp(30px, 5vw, 72px); left: clamp(28px, 5vw, 76px); max-width: 420px; }
.nb-problem-copy > span { display: block; margin-bottom: 16px; color: #60a5fa; font: 500 .7rem "IBM Plex Mono", monospace; letter-spacing: .12em; text-transform: uppercase; }
/* Statement-h3 tier: same photo-overlay statement style as the Role panel
   title and FBR console heading — was its own larger one-off (up to 3.2rem,
   weight 700), bigger than the page's own h2 cap of 3rem. */
.nb-problem-copy h3 { margin: 0 0 12px; color: #fff; font: 650 clamp(1.65rem,2.4vw,2.15rem)/1.15 "Sora", sans-serif; letter-spacing: -.035em; }
.nb-problem-copy p { max-width: 330px; margin: 0; color: #eef4fb; font-size: clamp(.9rem, 1.25vw, 1.05rem); line-height: 1.6; }
.nb-problem-status { position: absolute; z-index: 2; bottom: clamp(24px, 4vw, 52px); left: clamp(28px, 5vw, 76px); display: inline-flex; align-items: center; gap: 9px; padding: 10px 13px; border: 1px solid rgba(96, 165, 250, .24); border-radius: 999px; background: rgba(8, 13, 26, .7); color: #bfdbfe; font-size: .76rem; backdrop-filter: blur(12px); }
.nb-problem-status.is-warning { border-color: rgba(201, 168, 76, .3); color: #f8d879; }
.nb-problem-footer { gap: 30px; margin-top: 24px; }
.nb-problem-dots { display: flex; align-items: center; gap: 8px; }
.nb-problem-dots button { width: 24px; height: 3px; padding: 0; border: 0; border-radius: 99px; background: #cbd5e1; transition: width .3s ease, background .3s ease; }
.nb-problem-dots button.is-active { width: 52px; background: #3b82f6; }
/* Small/caption tier: same size/color as the Workflow closing line and
   Closing CTA trust row — was the same size already, just the washed-out gray. */
.nb-problem-footer > p { display: flex; align-items: center; gap: 9px; margin: 0; color: #475569; font-size: .8rem; }
.nb-problem-footer > p i { color: #c9a84c; }
@media (max-width: 767.98px) {
  .nb-problem-heading { display: block; margin-bottom: 24px; }
  .nb-problem-heading > p { margin-top: 16px; }
  .nb-problem-carousel, .nb-problem-stage { min-height: 500px; height: 500px; }
  .nb-problem-slide { width: calc(100vw - 38px); border-radius: 18px; }
  .nb-problem-slide.is-previous { transform: translateX(-119%) scale(.88); }
  .nb-problem-slide.is-next { transform: translateX(19%) scale(.88); }
  .nb-problem-slide img { object-position: 58% center; }
  .nb-problem-shade { background: linear-gradient(180deg, rgba(4, 8, 17, .88) 0%, rgba(4, 8, 17, .18) 52%, rgba(4, 8, 17, .84) 100%); }
  .nb-problem-copy { top: 28px; right: 25px; left: 25px; }
  .nb-problem-copy h3 { font-size: 1.85rem; }
  .nb-problem-status { bottom: 24px; left: 25px; }
  .nb-problem-footer { align-items: flex-start; flex-direction: column; gap: 18px; }
  .nb-problem-footer > p { align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  .nb-problem-slide, .nb-problem-slide img, .nb-problem-controls button, .nb-problem-dots button { transition: none !important; }
}