.sfa-root {
  --sfa-bg: #fffdf8;
  --sfa-ink: #17130f;
  --sfa-muted: #70675f;
  --sfa-line: rgba(23, 19, 15, 0.12);
  --sfa-soft: rgba(23, 19, 15, 0.055);
  --sfa-shadow: 0 24px 80px rgba(23, 19, 15, 0.11);
  --sfa-radius: 28px;
  max-width: 860px;
  margin: 48px auto;
  color: var(--sfa-ink);
  font-family: inherit;
}

.sfa-root * { box-sizing: border-box; }

.sfa-card {
  background: var(--sfa-bg);
  border: 1px solid var(--sfa-line);
  border-radius: var(--sfa-radius);
  box-shadow: var(--sfa-shadow);
  padding: clamp(24px, 5vw, 54px);
  position: relative;
  overflow: hidden;
}

.sfa-card::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto auto;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(23,19,15,0.09), rgba(23,19,15,0));
  pointer-events: none;
}

.sfa-kicker,
.sfa-progress-meta,
.sfa-pill-row,
.sfa-aha span {
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: 12px;
  font-weight: 700;
}

.sfa-kicker { color: var(--sfa-muted); margin-bottom: 16px; }

.sfa-card h2 {
  font-size: clamp(34px, 6vw, 64px);
  line-height: .94;
  letter-spacing: -0.055em;
  margin: 0 0 18px;
  max-width: 760px;
}

.sfa-card h3 {
  font-size: clamp(24px, 4vw, 34px);
  letter-spacing: -0.04em;
  margin: 34px 0 18px;
}

.sfa-lede {
  color: var(--sfa-muted);
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.45;
  max-width: 690px;
  margin: 0 0 26px;
}

.sfa-pill-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 30px;
}

.sfa-pill-row span,
.sfa-result-band {
  border: 1px solid var(--sfa-line);
  background: rgba(255,255,255,.6);
  border-radius: 999px;
  padding: 9px 13px;
}

.sfa-button,
.sfa-link-button {
  appearance: none;
  border: 0;
  cursor: pointer;
  font: inherit;
}

.sfa-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  border-radius: 999px;
  background: var(--sfa-ink);
  color: var(--sfa-bg);
  padding: 14px 22px;
  font-weight: 800;
  text-decoration: none;
  transition: transform .18s ease, opacity .18s ease;
}

.sfa-button:hover { transform: translateY(-1px); }
.sfa-button:disabled { opacity: .38; cursor: not-allowed; transform: none; }

.sfa-button-secondary {
  background: transparent;
  color: var(--sfa-ink);
  border: 1px solid var(--sfa-line);
}

.sfa-link-button {
  background: transparent;
  color: var(--sfa-muted);
  text-decoration: underline;
  padding: 0;
  margin-top: 20px;
}

.sfa-microcopy {
  color: var(--sfa-muted);
  font-size: 13px;
  line-height: 1.5;
  max-width: 620px;
  margin: 18px 0 0;
}

.sfa-progress-wrap { margin-bottom: 28px; }
.sfa-progress-meta { display: flex; justify-content: space-between; gap: 20px; color: var(--sfa-muted); margin-bottom: 10px; }
.sfa-progress { height: 10px; background: var(--sfa-soft); border-radius: 999px; overflow: hidden; }
.sfa-progress span { display: block; height: 100%; background: var(--sfa-ink); border-radius: inherit; transition: width .25s ease; }

.sfa-options { display: grid; gap: 12px; margin: 28px 0; }
.sfa-option {
  appearance: none;
  border: 1px solid var(--sfa-line);
  background: rgba(255,255,255,.56);
  color: var(--sfa-ink);
  border-radius: 20px;
  padding: 16px;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 13px;
  align-items: center;
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}
.sfa-option:hover,
.sfa-option.is-selected { border-color: rgba(23,19,15,.55); background: #fff; transform: translateY(-1px); }
.sfa-option-letter {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--sfa-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 13px;
}

.sfa-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 22px; }

.sfa-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; max-width: 720px; }
.sfa-form label { display: grid; gap: 7px; font-weight: 700; color: var(--sfa-ink); }
.sfa-form input {
  width: 100%;
  border: 1px solid var(--sfa-line);
  background: #fff;
  color: var(--sfa-ink);
  border-radius: 16px;
  min-height: 48px;
  padding: 12px 14px;
  font: inherit;
}
.sfa-form .sfa-button { grid-column: 1 / -1; justify-self: start; margin-top: 8px; }
.sfa-error { background: rgba(160, 30, 30, .08); border: 1px solid rgba(160, 30, 30, .2); padding: 12px 14px; border-radius: 16px; margin-bottom: 16px; color: #751414; }

.sfa-result-hero { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: 22px; }
.sfa-big-score { font-size: clamp(74px, 16vw, 150px); line-height: .82; letter-spacing: -0.08em; font-weight: 950; }
.sfa-big-score span { font-size: .22em; letter-spacing: -0.03em; margin-left: 4px; color: var(--sfa-muted); }
.sfa-result-band { font-weight: 900; font-size: 16px; }

.sfa-aha {
  border: 1px solid var(--sfa-line);
  background: rgba(255,255,255,.58);
  border-radius: 24px;
  padding: clamp(20px, 4vw, 34px);
  margin: 28px 0;
}
.sfa-aha h2 { font-size: clamp(34px, 5vw, 54px); margin-top: 8px; }
.sfa-aha p { color: var(--sfa-muted); font-size: 17px; line-height: 1.55; margin: 12px 0 0; max-width: 760px; }
.sfa-aha p strong { color: var(--sfa-ink); }
.sfa-next { border-top: 1px solid var(--sfa-line); padding-top: 16px; }

.sfa-bars { display: grid; gap: 14px; }
.sfa-bar-row { display: grid; gap: 8px; }
.sfa-bar-label { display: flex; justify-content: space-between; gap: 16px; font-size: 15px; }
.sfa-bar { height: 12px; background: var(--sfa-soft); border-radius: 999px; overflow: hidden; }
.sfa-bar span { display: block; height: 100%; border-radius: inherit; background: var(--sfa-ink); }
.sfa-score-good { opacity: .95; }
.sfa-score-mid { opacity: .78; }
.sfa-score-low { opacity: .55; }
.sfa-score-critical { opacity: .34; }

.sfa-final-note {
  margin-top: 32px;
  border-top: 1px solid var(--sfa-line);
  padding-top: 24px;
}
.sfa-final-note p { color: var(--sfa-muted); font-size: 18px; line-height: 1.5; max-width: 700px; }

@media (max-width: 640px) {
  .sfa-root { margin: 24px auto; }
  .sfa-card { border-radius: 20px; }
  .sfa-form { grid-template-columns: 1fr; }
  .sfa-nav { flex-direction: column-reverse; }
  .sfa-nav .sfa-button { width: 100%; }
  .sfa-option { grid-template-columns: 30px 1fr; padding: 14px; }
}