:root {
  --bhfc-teal: #009ea0;
  --bhfc-teal-dark: #007d7f;
  --bhfc-gold: #e6b800;
  --bhfc-gold-dark: #c49a00;
  --bhfc-navy: #1a365d;
  --bhfc-navy-soft: #2c5282;
  --bhfc-black: #0a0a0a;
  --bhfc-text: #1a2b3c;
  --bhfc-muted: #4a5d70;
  --bhfc-bg: #f3f6f7;
  --bhfc-card: #ffffff;
  --bhfc-border: #d7e0e4;
  --bhfc-error: #9b2c2c;
  --bhfc-error-bg: #fff5f5;
  --bhfc-radius: 16px;
  --bhfc-shadow: 0 12px 40px rgba(26, 54, 93, 0.08);
  --bhfc-font: "Urbanist", "Segoe UI", sans-serif;
  --bhfc-display: "Urbanist", "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  max-width: 100%;
  overflow-x: hidden;
}

.bhfc-body {
  font-family: var(--bhfc-font);
  color: var(--bhfc-text);
  background: var(--bhfc-bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.bhfc-skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--bhfc-gold);
  color: var(--bhfc-black);
  padding: 0.75rem 1rem;
  z-index: 100;
}

.bhfc-skip:focus {
  left: 1rem;
  top: 1rem;
}

.bhfc-header {
  background: var(--bhfc-black);
  padding: 0.85rem 1.25rem;
}

.bhfc-header__inner {
  max-width: 980px;
  margin: 0 auto;
}

.bhfc-logo img {
  display: block;
  height: 72px;
  width: auto;
  max-width: min(280px, 80vw);
  object-fit: contain;
}

.bhfc-logo-text {
  color: var(--bhfc-gold);
  font-family: var(--bhfc-display);
  font-weight: 700;
  font-size: 1.1rem;
}

.bhfc-main {
  flex: 1;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.bhfc-card {
  background: var(--bhfc-card);
  border-radius: var(--bhfc-radius);
  box-shadow: var(--bhfc-shadow);
  padding: 1.75rem 1.5rem 2rem;
  border: 1px solid rgba(0, 158, 160, 0.08);
}

.bhfc-kicker {
  font-family: var(--bhfc-display);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bhfc-teal);
  font-weight: 700;
  margin: 0 0 0.75rem;
}

.bhfc-intro h1,
.bhfc-result h1 {
  font-family: var(--bhfc-display);
  font-size: clamp(1.55rem, 4vw, 2.15rem);
  line-height: 1.25;
  color: var(--bhfc-navy);
  margin: 0 0 0.85rem;
}

.bhfc-lead {
  font-size: 1.05rem;
  color: var(--bhfc-muted);
}

.bhfc-time {
  display: inline-block;
  background: rgba(0, 158, 160, 0.1);
  color: var(--bhfc-teal-dark);
  font-weight: 600;
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  margin: 0 0 1rem;
}

.bhfc-lang {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: 1.25rem;
}

.bhfc-lang label {
  font-weight: 600;
  font-size: 0.9rem;
}

.bhfc-select,
.bhfc-input,
.bhfc-textarea {
  width: 100%;
  font: inherit;
  color: var(--bhfc-text);
  background: #fff;
  border: 1.5px solid var(--bhfc-border);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  min-height: 48px;
}

.bhfc-select {
  width: auto;
  min-width: 160px;
}

.bhfc-textarea {
  min-height: 120px;
  resize: vertical;
}

.bhfc-input:focus,
.bhfc-select:focus,
.bhfc-textarea:focus,
.bhfc-choice input:focus-visible,
.bhfc-btn:focus-visible,
.bhfc-check input:focus-visible {
  outline: 3px solid rgba(230, 184, 0, 0.55);
  outline-offset: 2px;
}

.bhfc-progress {
  margin-bottom: 1.25rem;
}

.bhfc-progress__meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--bhfc-navy);
  margin-bottom: 0.45rem;
}

.bhfc-progress__track {
  height: 10px;
  background: #dce7ea;
  border-radius: 999px;
  overflow: hidden;
}

.bhfc-progress__bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--bhfc-teal), #14c4c6);
  border-radius: inherit;
  transition: width 0.35s ease;
}

.bhfc-step {
  animation: bhfc-fade 0.28s ease;
}

.bhfc-step[hidden] {
  display: none !important;
}

@keyframes bhfc-fade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.bhfc-fieldset {
  border: 0;
  margin: 0 0 1.5rem;
  padding: 0;
}

.bhfc-fieldset legend {
  font-family: var(--bhfc-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--bhfc-navy);
  margin-bottom: 0.75rem;
  padding: 0;
}

.bhfc-req {
  color: var(--bhfc-teal-dark);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.bhfc-hint {
  color: var(--bhfc-muted);
  font-size: 0.92rem;
  margin: 0.25rem 0 0.85rem;
}

.bhfc-options {
  display: grid;
  gap: 0.65rem;
}

.bhfc-choice {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  border: 1.5px solid var(--bhfc-border);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  min-height: 52px;
  cursor: pointer;
  background: #fff;
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.bhfc-choice:hover {
  border-color: var(--bhfc-teal);
}

.bhfc-choice:has(input:checked),
.bhfc-choice.is-selected {
  border-color: var(--bhfc-teal);
  background: rgba(0, 158, 160, 0.08);
  box-shadow: inset 0 0 0 1px var(--bhfc-teal);
}

.bhfc-choice input {
  margin-top: 0.2rem;
  width: 1.15rem;
  height: 1.15rem;
  accent-color: var(--bhfc-teal);
  flex: 0 0 auto;
}

.bhfc-choice span {
  flex: 1;
}

.bhfc-unit-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.bhfc-inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.bhfc-inline[hidden],
.bhfc-other[hidden],
.bhfc-alert[hidden] {
  display: none !important;
}

.bhfc-bmi {
  margin-top: 0.5rem;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: #f7fbfb;
  border: 1px solid rgba(0, 158, 160, 0.18);
}

.bhfc-bmi__value {
  font-family: var(--bhfc-display);
  font-weight: 700;
  color: var(--bhfc-navy);
  margin: 0 0 0.4rem;
}

.bhfc-bmi__note {
  margin: 0;
  color: var(--bhfc-muted);
  font-size: 0.92rem;
}

.bhfc-alert {
  margin: 1rem 0 0;
  padding: 0.95rem 1rem;
  border-radius: 12px;
  background: #fff8e1;
  border: 1px solid var(--bhfc-gold);
  color: var(--bhfc-navy);
  font-weight: 600;
}

.bhfc-banner {
  margin-bottom: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  font-weight: 600;
}

.bhfc-banner--error,
.bhfc-error {
  color: var(--bhfc-error);
}

.bhfc-banner--error {
  background: var(--bhfc-error-bg);
  border: 1px solid #feb2b2;
}

.bhfc-error {
  margin: 0.45rem 0 0;
  font-size: 0.9rem;
  font-weight: 600;
}

.is-invalid .bhfc-input,
.bhfc-fieldset.is-invalid .bhfc-choice,
.bhfc-field.is-invalid .bhfc-input {
  border-color: var(--bhfc-error);
}

.bhfc-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.bhfc-field label,
.bhfc-other label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.bhfc-consent {
  border: 1px solid var(--bhfc-border);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  margin-top: 0.5rem;
}

.bhfc-consent legend {
  font-family: var(--bhfc-display);
  font-weight: 700;
  color: var(--bhfc-navy);
  padding: 0 0.35rem;
}

.bhfc-check {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin: 0.75rem 0;
}

.bhfc-check input {
  margin-top: 0.3rem;
  width: 1.2rem;
  height: 1.2rem;
  accent-color: var(--bhfc-teal);
  flex: 0 0 auto;
}

.bhfc-file {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 0.75rem 0;
  cursor: pointer;
}

.bhfc-nav {
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
  margin-top: 1.25rem;
  position: sticky;
  bottom: 0.75rem;
}

.bhfc-btn {
  font-family: var(--bhfc-display);
  font-weight: 700;
  font-size: 1rem;
  border: 0;
  border-radius: 999px;
  min-height: 48px;
  padding: 0.8rem 1.4rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: transform 0.12s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.bhfc-btn:hover {
  transform: translateY(-1px);
}

.bhfc-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.bhfc-btn--primary {
  background: var(--bhfc-teal);
  color: #fff;
  box-shadow: 0 8px 18px rgba(0, 158, 160, 0.25);
}

.bhfc-btn--primary:hover {
  background: var(--bhfc-teal-dark);
}

.bhfc-btn--secondary {
  background: var(--bhfc-gold);
  color: var(--bhfc-black);
}

.bhfc-btn--secondary:hover {
  background: var(--bhfc-gold-dark);
}

.bhfc-btn--ghost {
  background: transparent;
  color: var(--bhfc-navy);
  border: 1.5px solid var(--bhfc-border);
}

.bhfc-result__disclaimer {
  font-size: 0.95rem;
  color: var(--bhfc-muted);
  border-top: 1px solid var(--bhfc-border);
  padding-top: 1rem;
}

.bhfc-result__cta {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--bhfc-border);
}

.bhfc-result__cta h2 {
  font-family: var(--bhfc-display);
  color: var(--bhfc-navy);
  font-size: 1.25rem;
}

.bhfc-result__actions {
  display: grid;
  gap: 0.75rem;
}

.bhfc-footer {
  background: var(--bhfc-navy);
  color: #d6e0ea;
  padding: 1.5rem 1rem 2rem;
  text-align: center;
  font-size: 0.9rem;
}

.bhfc-footer a {
  color: var(--bhfc-gold);
}

.bhfc-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.1rem;
  justify-content: center;
  margin: 0.85rem 0;
}

.bhfc-footer__copy {
  opacity: 0.8;
}

.bhfc-npp {
  max-width: 800px;
}

.bhfc-npp h1,
.bhfc-npp h2 {
  font-family: var(--bhfc-display);
  color: var(--bhfc-navy);
}

@media (min-width: 720px) {
  .bhfc-card {
    padding: 2.25rem 2.35rem 2.5rem;
  }
  .bhfc-options--multi {
    grid-template-columns: 1fr 1fr;
  }
  .bhfc-result__actions {
    grid-template-columns: 1fr;
  }
  .bhfc-nav .bhfc-btn {
    min-width: 160px;
  }
}

@media (max-width: 640px) {
  .bhfc-inline,
  .bhfc-unit-toggle,
  .bhfc-options--multi {
    grid-template-columns: 1fr;
  }
  .bhfc-nav {
    flex-direction: column-reverse;
  }
  .bhfc-btn {
    width: 100%;
  }
  .bhfc-logo img {
    height: 58px;
  }
}