/* =========================================================
   HealthFinder USA — Main Stylesheet
   ========================================================= */

/* ── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --hf-primary:       #1d4ed8;
  --hf-primary-dark:  #1e3a8a;
  --hf-primary-light: #dbeafe;
  --hf-accent:        #0ea5e9;
  --hf-success:       #16a34a;
  --hf-error:         #dc2626;
  --hf-warning:       #d97706;

  --hf-text:          #0f172a;
  --hf-text-muted:    #64748b;
  --hf-text-light:    #94a3b8;
  --hf-bg:            #f8fafc;
  --hf-bg-white:      #ffffff;
  --hf-border:        #e2e8f0;
  --hf-border-focus:  #1d4ed8;

  --hf-radius-sm:     0.375rem;
  --hf-radius:        0.625rem;
  --hf-radius-lg:     1rem;
  --hf-radius-xl:     1.5rem;

  --hf-shadow-sm:     0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --hf-shadow:        0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
  --hf-shadow-lg:     0 10px 40px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.06);

  --hf-font:          'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --hf-transition:    0.18s ease;
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--hf-font);
  color: var(--hf-text);
  background: var(--hf-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
ul { list-style: none; }

/* ── Layout ─────────────────────────────────────────────── */
.hf-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.hf-section-title {
  font-size: 1.75rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 2.5rem;
  color: var(--hf-text);
}

/* ── Header ─────────────────────────────────────────────── */
.hf-header {
  background: var(--hf-bg-white);
  border-bottom: 1px solid var(--hf-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--hf-shadow-sm);
}
.hf-header__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 4rem;
}
.hf-header__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--hf-text);
}
.hf-header__logo-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.625rem;
  background: var(--hf-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}
.hf-header__nav { flex: 1; }
.hf-header__menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.hf-header__menu li a {
  padding: 0.4rem 0.875rem;
  border-radius: var(--hf-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--hf-text-muted);
  transition: color var(--hf-transition), background var(--hf-transition);
}
.hf-header__menu li a:hover {
  color: var(--hf-primary);
  background: var(--hf-primary-light);
}
.hf-header__cta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: var(--hf-primary);
  color: #fff;
  border-radius: var(--hf-radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  transition: background var(--hf-transition);
  white-space: nowrap;
}
.hf-header__cta:hover { background: var(--hf-primary-dark); }
.hf-header__mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--hf-text);
  padding: 0.25rem;
}

/* ── Hero ───────────────────────────────────────────────── */
.hf-hero {
  background: linear-gradient(135deg, #0f2d6e 0%, #1d4ed8 50%, #0ea5e9 100%);
  padding: 4rem 0 5rem;
  position: relative;
  overflow: hidden;
}
.hf-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hf-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}
.hf-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  padding: 0.375rem 0.875rem;
  border-radius: 2rem;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
}
.hf-hero__title {
  font-size: 3rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 0.5rem;
}
.hf-hero__subtitle {
  font-size: 1.5rem;
  font-weight: 400;
  color: rgba(255,255,255,0.85);
  margin-bottom: 1rem;
}
.hf-hero__desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: 2rem;
}
.hf-hero__stats {
  display: flex;
  gap: 2rem;
}
.hf-hero__stat-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: #fff;
}
.hf-hero__stat-label {
  display: block;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.hf-hero__form-card {
  background: #fff;
  border-radius: var(--hf-radius-xl);
  padding: 2rem;
  box-shadow: var(--hf-shadow-lg);
}
.hf-hero__form-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--hf-text);
  margin-bottom: 1.5rem;
}

/* ── Search Form ────────────────────────────────────────── */
.hf-search-form { display: flex; flex-direction: column; gap: 1rem; }
.hf-search-form__field { display: flex; flex-direction: column; gap: 0.375rem; }
.hf-search-form__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--hf-text-muted);
}
.hf-search-form__input,
.hf-search-form__select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1.5px solid var(--hf-border);
  border-radius: var(--hf-radius-sm);
  font-size: 0.9rem;
  font-family: var(--hf-font);
  color: var(--hf-text);
  background: #fff;
  transition: border-color var(--hf-transition), box-shadow var(--hf-transition);
  appearance: none;
  -webkit-appearance: none;
}
.hf-search-form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}
.hf-search-form__input:focus,
.hf-search-form__select:focus {
  outline: none;
  border-color: var(--hf-primary);
  box-shadow: 0 0 0 3px rgba(29,78,216,0.12);
}
.hf-search-form__input::placeholder { color: var(--hf-text-light); }
.hf-search-form__advanced {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--hf-border);
}
.hf-search-form__advanced-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: none;
  color: var(--hf-primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0;
  cursor: pointer;
  transition: opacity var(--hf-transition);
}
.hf-search-form__advanced-toggle:hover { opacity: 0.75; }
.hf-search-form__submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1.5rem;
  background: var(--hf-primary);
  color: #fff;
  border: none;
  border-radius: var(--hf-radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--hf-font);
  transition: background var(--hf-transition), transform var(--hf-transition);
}
.hf-search-form__submit:hover { background: var(--hf-primary-dark); transform: translateY(-1px); }
.hf-search-form__submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.hf-search-form__clear {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  width: 100%;
  padding: 0.5rem;
  background: none;
  border: 1px solid var(--hf-border);
  border-radius: var(--hf-radius-sm);
  font-size: 0.8rem;
  color: var(--hf-text-muted);
  font-family: var(--hf-font);
  transition: all var(--hf-transition);
}
.hf-search-form__clear:hover { border-color: var(--hf-error); color: var(--hf-error); }

/* ── How It Works ───────────────────────────────────────── */
.hf-how { padding: 5rem 0; background: #fff; }
.hf-how__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.hf-how__step { text-align: center; }
.hf-how__icon {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: var(--hf-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}
.hf-how__icon--1 { background: #dbeafe; color: #1d4ed8; }
.hf-how__icon--2 { background: #dcfce7; color: #16a34a; }
.hf-how__icon--3 { background: #f3e8ff; color: #7c3aed; }
.hf-how__step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.hf-how__step p { font-size: 0.9rem; color: var(--hf-text-muted); line-height: 1.6; }

/* ── Specialties Grid ───────────────────────────────────── */
.hf-specialties { padding: 5rem 0; background: var(--hf-bg); }
.hf-specialties__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.hf-specialty-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem 1rem;
  background: var(--card-bg, #f1f5f9);
  border-radius: var(--hf-radius-lg);
  border: 1.5px solid transparent;
  text-align: center;
  transition: all var(--hf-transition);
}
.hf-specialty-card:hover {
  border-color: var(--hf-primary);
  transform: translateY(-3px);
  box-shadow: var(--hf-shadow);
}
.hf-specialty-card__icon { font-size: 2rem; }
.hf-specialty-card__name { font-size: 0.85rem; font-weight: 600; color: var(--hf-text); }

/* ── Provider Types ─────────────────────────────────────── */
.hf-types { padding: 5rem 0; background: #fff; }
.hf-types__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.hf-type-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  padding: 2.5rem;
  border-radius: var(--hf-radius-xl);
  border: 2px solid var(--hf-border);
  transition: all var(--hf-transition);
}
.hf-type-card--doctors { background: linear-gradient(135deg, #eff6ff, #dbeafe); }
.hf-type-card--hospitals { background: linear-gradient(135deg, #f0fdf4, #dcfce7); }
.hf-type-card:hover { transform: translateY(-4px); box-shadow: var(--hf-shadow-lg); border-color: var(--hf-primary); }
.hf-type-card__icon {
  width: 4rem;
  height: 4rem;
  border-radius: var(--hf-radius);
  background: rgba(255,255,255,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--hf-primary);
}
.hf-type-card h3 { font-size: 1.25rem; font-weight: 700; }
.hf-type-card p { font-size: 0.9rem; color: var(--hf-text-muted); line-height: 1.6; }
.hf-type-card__cta { font-size: 0.9rem; font-weight: 600; color: var(--hf-primary); margin-top: auto; }

/* ── Search Page Layout ─────────────────────────────────── */
.hf-search-page { padding: 2rem 0 4rem; min-height: 70vh; }
.hf-search-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  align-items: start;
}
.hf-search-sidebar__inner {
  background: #fff;
  border: 1px solid var(--hf-border);
  border-radius: var(--hf-radius-lg);
  padding: 1.5rem;
  position: sticky;
  top: 5rem;
}
.hf-search-sidebar__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--hf-text);
  margin-bottom: 1.25rem;
}

/* ── Results Header ─────────────────────────────────────── */
.hf-results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.hf-results-tabs {
  display: flex;
  gap: 0.25rem;
  background: var(--hf-bg);
  border: 1px solid var(--hf-border);
  border-radius: var(--hf-radius-sm);
  padding: 0.25rem;
}
.hf-results-tab {
  padding: 0.4rem 1rem;
  border-radius: calc(var(--hf-radius-sm) - 2px);
  border: none;
  background: none;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--hf-text-muted);
  font-family: var(--hf-font);
  transition: all var(--hf-transition);
}
.hf-results-tab--active,
.hf-results-tab:hover {
  background: #fff;
  color: var(--hf-primary);
  box-shadow: var(--hf-shadow-sm);
}
.hf-results-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--hf-text-muted);
}
.hf-cache-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: #f0fdf4;
  color: #16a34a;
  border: 1px solid #bbf7d0;
  padding: 0.2rem 0.625rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ── Provider Card ──────────────────────────────────────── */
.hf-provider-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: #fff;
  border: 1.5px solid var(--hf-border);
  border-radius: var(--hf-radius-lg);
  padding: 1.25rem;
  margin-bottom: 0.75rem;
  transition: all var(--hf-transition);
  cursor: pointer;
}
.hf-provider-card:hover {
  border-color: var(--hf-primary);
  box-shadow: var(--hf-shadow);
  transform: translateY(-2px);
}
.hf-provider-card__icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--hf-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hf-provider-card--individual .hf-provider-card__icon { background: #dbeafe; color: #1d4ed8; }
.hf-provider-card--organization .hf-provider-card__icon { background: #dcfce7; color: #16a34a; }
.hf-provider-card__body { flex: 1; min-width: 0; }
.hf-provider-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}
.hf-provider-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--hf-text);
  line-height: 1.3;
}
.hf-provider-card__badge {
  padding: 0.2rem 0.625rem;
  border-radius: 2rem;
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}
.hf-provider-card__badge--individual { background: #dbeafe; color: #1e40af; }
.hf-provider-card__badge--organization { background: #dcfce7; color: #15803d; }
.hf-provider-card__specialty,
.hf-provider-card__address,
.hf-provider-card__phone {
  display: flex;
  align-items: flex-start;
  gap: 0.375rem;
  font-size: 0.85rem;
  color: var(--hf-text-muted);
  margin-bottom: 0.3rem;
  line-height: 1.4;
}
.hf-provider-card__specialty svg,
.hf-provider-card__address svg,
.hf-provider-card__phone svg { flex-shrink: 0; margin-top: 1px; }
.hf-provider-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--hf-border);
}
.hf-provider-card__npi {
  font-size: 0.75rem;
  color: var(--hf-text-light);
  font-family: 'Courier New', monospace;
}
.hf-provider-card__arrow { color: var(--hf-primary); }

/* ── Loading ────────────────────────────────────────────── */
.hf-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 3rem;
  color: var(--hf-text-muted);
  font-size: 0.9rem;
}
.hf-loading__spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 3px solid var(--hf-border);
  border-top-color: var(--hf-primary);
  border-radius: 50%;
  animation: hf-spin 0.7s linear infinite;
}
@keyframes hf-spin { to { transform: rotate(360deg); } }

/* ── Empty State ────────────────────────────────────────── */
.hf-empty-state {
  text-align: center;
  padding: 4rem 2rem;
}
.hf-empty-state__icon {
  width: 5rem;
  height: 5rem;
  border-radius: var(--hf-radius-xl);
  background: var(--hf-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  color: var(--hf-text-light);
}
.hf-empty-state h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.hf-empty-state p { font-size: 0.9rem; color: var(--hf-text-muted); max-width: 28rem; margin: 0 auto; }

/* ── Alert ──────────────────────────────────────────────── */
.hf-alert {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  padding: 0.875rem 1rem;
  border-radius: var(--hf-radius);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}
.hf-alert--error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.hf-alert--success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }

/* ── Pagination ─────────────────────────────────────────── */
.hf-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--hf-border);
}
.hf-pagination__btn {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1.25rem;
  border: 1.5px solid var(--hf-border);
  border-radius: var(--hf-radius-sm);
  background: #fff;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--hf-font);
  color: var(--hf-text);
  transition: all var(--hf-transition);
}
.hf-pagination__btn:hover:not(:disabled) { border-color: var(--hf-primary); color: var(--hf-primary); }
.hf-pagination__btn:disabled { opacity: 0.4; cursor: not-allowed; }
.hf-pagination__info { font-size: 0.875rem; color: var(--hf-text-muted); }

/* ── Detail Page ────────────────────────────────────────── */
.hf-detail-page { padding: 2rem 0 4rem; }
.hf-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--hf-text-muted);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.hf-breadcrumb a:hover { color: var(--hf-primary); }
.hf-breadcrumb__sep { color: var(--hf-text-light); }
.hf-detail-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  align-items: start;
}
.hf-detail-card {
  background: #fff;
  border: 1px solid var(--hf-border);
  border-radius: var(--hf-radius-xl);
  overflow: hidden;
}
.hf-detail-card__header {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 2rem;
  border-bottom: 1px solid var(--hf-border);
  background: linear-gradient(135deg, #f8faff, #eff6ff);
}
.hf-detail-card__avatar {
  width: 5rem;
  height: 5rem;
  border-radius: var(--hf-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hf-detail-card__avatar--ind { background: #dbeafe; color: #1d4ed8; }
.hf-detail-card__avatar--org { background: #dcfce7; color: #16a34a; }
.hf-detail-card__badges { display: flex; gap: 0.5rem; margin-bottom: 0.625rem; flex-wrap: wrap; }
.hf-detail-card__name { font-size: 1.5rem; font-weight: 800; color: var(--hf-text); margin-bottom: 0.375rem; }
.hf-detail-card__specialty { font-size: 1rem; color: var(--hf-primary); font-weight: 500; }
.hf-detail-section { padding: 1.5rem 2rem; border-bottom: 1px solid var(--hf-border); }
.hf-detail-section:last-child { border-bottom: none; }
.hf-detail-section__title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--hf-text-muted);
  margin-bottom: 1rem;
}
.hf-detail-contact { display: flex; flex-direction: column; gap: 1rem; }
.hf-detail-contact__row {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  color: var(--hf-primary);
}
.hf-detail-contact__row > svg { flex-shrink: 0; margin-top: 2px; }
.hf-detail-contact__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--hf-text-muted);
  margin-bottom: 0.2rem;
}
.hf-detail-contact__value { display: block; font-size: 0.95rem; color: var(--hf-text); font-weight: 500; }
.hf-detail-contact__link { display: block; font-size: 0.8rem; color: var(--hf-primary); margin-top: 0.25rem; }
.hf-detail-contact__link:hover { text-decoration: underline; }

/* ── NPI Card (sidebar) ─────────────────────────────────── */
.hf-detail-npi-card {
  background: #fff;
  border: 1px solid var(--hf-border);
  border-radius: var(--hf-radius-lg);
  padding: 1.5rem;
  margin-bottom: 1rem;
}
.hf-detail-npi-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 1rem; }
.hf-detail-npi-card__label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--hf-text-muted);
  margin-bottom: 0.375rem;
}
.hf-detail-npi-card__value-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.hf-detail-npi-card__npi {
  font-size: 1.25rem;
  font-weight: 700;
  font-family: 'Courier New', monospace;
  color: var(--hf-primary);
}
.hf-copy-btn {
  background: var(--hf-bg);
  border: 1px solid var(--hf-border);
  border-radius: var(--hf-radius-sm);
  padding: 0.375rem;
  color: var(--hf-text-muted);
  transition: all var(--hf-transition);
  display: flex;
  align-items: center;
}
.hf-copy-btn:hover { background: var(--hf-primary-light); color: var(--hf-primary); border-color: var(--hf-primary); }
.hf-detail-npi-card__meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.375rem 1rem;
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
}
.hf-detail-npi-card__meta dt { color: var(--hf-text-muted); font-weight: 500; }
.hf-detail-npi-card__meta dd { color: var(--hf-text); font-weight: 600; }

/* ── Badges & Tags ──────────────────────────────────────── */
.hf-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.625rem;
  border-radius: 2rem;
  font-size: 0.72rem;
  font-weight: 600;
}
.hf-badge--ind { background: #dbeafe; color: #1e40af; }
.hf-badge--org { background: #dcfce7; color: #15803d; }
.hf-badge--active { background: #f0fdf4; color: #16a34a; border: 1px solid #bbf7d0; }
.hf-tag-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.hf-tag {
  padding: 0.3rem 0.75rem;
  background: var(--hf-primary-light);
  color: var(--hf-primary);
  border-radius: 2rem;
  font-size: 0.8rem;
  font-weight: 500;
}

/* ── Buttons ────────────────────────────────────────────── */
.hf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--hf-radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--hf-font);
  transition: all var(--hf-transition);
  border: 1.5px solid transparent;
  cursor: pointer;
}
.hf-btn--primary { background: var(--hf-primary); color: #fff; border-color: var(--hf-primary); }
.hf-btn--primary:hover { background: var(--hf-primary-dark); }
.hf-btn--outline { background: transparent; color: var(--hf-primary); border-color: var(--hf-primary); }
.hf-btn--outline:hover { background: var(--hf-primary-light); }
.hf-btn--ghost { background: transparent; color: var(--hf-text-muted); border-color: var(--hf-border); }
.hf-btn--ghost:hover { color: var(--hf-text); border-color: var(--hf-text-muted); }
.hf-btn--full { width: 100%; }

/* ── Toast ──────────────────────────────────────────────── */
.hf-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #1e293b;
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--hf-radius);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--hf-shadow-lg);
  z-index: 9999;
  animation: hf-toast-in 0.25s ease;
}
@keyframes hf-toast-in {
  from { opacity: 0; transform: translateY(0.5rem); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Footer ─────────────────────────────────────────────── */
.hf-footer {
  background: #0f172a;
  color: rgba(255,255,255,0.8);
  padding: 4rem 0 0;
  margin-top: 4rem;
}
.hf-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}
.hf-footer__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 1rem;
}
.hf-footer__logo .hf-header__logo-icon { background: var(--hf-primary); }
.hf-footer__desc { font-size: 0.875rem; color: rgba(255,255,255,0.55); line-height: 1.7; }
.hf-footer__links h4 { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: #fff; margin-bottom: 1rem; }
.hf-footer__links ul { display: flex; flex-direction: column; gap: 0.5rem; }
.hf-footer__links a { font-size: 0.875rem; color: rgba(255,255,255,0.55); transition: color var(--hf-transition); }
.hf-footer__links a:hover { color: #fff; }
.hf-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 1.25rem 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  text-align: center;
}

/* ── Page ───────────────────────────────────────────────── */
.hf-page { padding: 3rem 0 5rem; }
.hf-page__title { font-size: 2rem; font-weight: 800; margin-bottom: 1.5rem; }
.hf-page__body { font-size: 1rem; line-height: 1.8; color: var(--hf-text-muted); }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hf-hero__inner { grid-template-columns: 1fr; }
  .hf-hero__text { text-align: center; }
  .hf-hero__stats { justify-content: center; }
  .hf-hero__form-card { max-width: 560px; margin: 0 auto; }
  .hf-specialties__grid { grid-template-columns: repeat(3, 1fr); }
  .hf-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hf-hero__title { font-size: 2.25rem; }
  .hf-how__grid { grid-template-columns: 1fr; }
  .hf-specialties__grid { grid-template-columns: repeat(2, 1fr); }
  .hf-types__grid { grid-template-columns: 1fr; }
  .hf-search-layout { grid-template-columns: 1fr; }
  .hf-search-sidebar__inner { position: static; }
  .hf-detail-layout { grid-template-columns: 1fr; }
  .hf-detail-card__header { flex-direction: column; }
  .hf-footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .hf-header__nav { display: none; }
  .hf-header__mobile-toggle { display: flex; }
  .hf-header__nav.hf-header__nav--open {
    display: block;
    position: absolute;
    top: 4rem;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--hf-border);
    padding: 1rem 1.5rem;
    box-shadow: var(--hf-shadow);
  }
  .hf-header__nav.hf-header__nav--open .hf-header__menu { flex-direction: column; }
}

@media (max-width: 480px) {
  .hf-hero { padding: 2.5rem 0 3rem; }
  .hf-hero__title { font-size: 1.75rem; }
  .hf-specialties__grid { grid-template-columns: repeat(2, 1fr); }
  .hf-results-header { flex-direction: column; align-items: flex-start; }
}