.ngsl-bvc {
  --bvc-ink: #172033;
  --bvc-muted: #5d6878;
  --bvc-primary: #176b62;
  --bvc-primary-dark: #0f514a;
  --bvc-soft: #e8f4f1;
  --bvc-border: #d9e1e7;
  color: var(--bvc-ink);
  font: inherit;
  margin: 2rem auto;
  max-width: 760px;
}

.ngsl-bvc * { box-sizing: border-box; }

.ngsl-bvc__card {
  background: #fff;
  border: 1px solid var(--bvc-border);
  border-radius: 18px;
  box-shadow: 0 16px 44px rgba(23, 32, 51, .09);
  padding: clamp(1.4rem, 4vw, 2.6rem);
}

.ngsl-bvc h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.15;
  margin: .35rem 0 1rem;
}

.ngsl-bvc h3 { font-size: 1.1rem; margin: 0 0 .5rem; }
.ngsl-bvc p, .ngsl-bvc li { line-height: 1.65; }

.ngsl-bvc__eyebrow {
  color: var(--bvc-primary);
  font-size: .78rem;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.ngsl-bvc__instructions {
  background: var(--bvc-soft);
  border-radius: 12px;
  margin: 1.5rem 0;
  padding: 1.15rem 1.3rem;
}

.ngsl-bvc__instructions ul { margin-bottom: 0; padding-left: 1.3rem; }

.ngsl-bvc__button {
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  min-height: 48px;
  padding: .75rem 1.25rem;
  transition: transform .15s ease, background-color .15s ease;
}

.ngsl-bvc__button:hover { transform: translateY(-1px); }
.ngsl-bvc__button:focus-visible { outline: 3px solid #e3ad35; outline-offset: 3px; }
.ngsl-bvc__button--primary, .ngsl-bvc__button--yes { background: var(--bvc-primary); color: #fff; }
.ngsl-bvc__button--primary:hover, .ngsl-bvc__button--yes:hover { background: var(--bvc-primary-dark); }
.ngsl-bvc__button--no { background: #edf0f3; color: var(--bvc-ink); }

.ngsl-bvc__status { display: flex; font-size: .9rem; font-weight: 650; justify-content: space-between; gap: 1rem; }
.ngsl-bvc__progress { background: #e7ebef; border-radius: 999px; height: 8px; margin: .8rem 0 2rem; overflow: hidden; }
.ngsl-bvc__progress span { background: var(--bvc-primary); display: block; height: 100%; transition: width .2s ease; }
.ngsl-bvc__prompt { color: var(--bvc-muted); margin: 0; text-align: center; }
.ngsl-bvc__word { font-size: clamp(2.5rem, 8vw, 4.5rem); font-weight: 760; letter-spacing: -.03em; margin: 2rem 0; overflow-wrap: anywhere; text-align: center; }
.ngsl-bvc__answers { display: grid; gap: 1rem; grid-template-columns: 1fr 1fr; }

.ngsl-bvc__summary { display: grid; gap: 1rem; grid-template-columns: repeat(3, 1fr); margin: 1.5rem 0; }
.ngsl-bvc__summary div { background: var(--bvc-soft); border-radius: 12px; padding: 1.1rem; text-align: center; }
.ngsl-bvc__summary strong { display: block; font-size: 1.8rem; }
.ngsl-bvc__summary span { color: var(--bvc-muted); font-size: .85rem; }
.ngsl-bvc__next { border-left: 4px solid var(--bvc-primary); padding-left: 1rem; }
.ngsl-bvc__reliability { background: var(--bvc-soft); border-radius: 10px; padding: .85rem 1rem; }
.ngsl-bvc__result--unreliable { border-color: #d5a64b; }
.ngsl-bvc__note { color: var(--bvc-muted); font-size: .82rem; margin: 1rem 0 0; }
.ngsl-bvc__error { border-color: #d8a4a4; }

@media (max-width: 540px) {
  .ngsl-bvc__answers, .ngsl-bvc__summary { grid-template-columns: 1fr; }
  .ngsl-bvc__status { align-items: flex-start; flex-direction: column; gap: .25rem; }
}

@media (prefers-reduced-motion: reduce) {
  .ngsl-bvc__button, .ngsl-bvc__progress span { transition: none; }
}