/* ==========================================================================
   DentalPracticesSale.com — Component Library
   Header, Navigation, Buttons, Cards, Badges, Trust Strip, Forms, Footer
   ========================================================================== */

/* --- Top Utility Bar (Desktop) --- */
.top-bar {
  background-color: var(--bg-dark);
  color: var(--text-inverse-muted);
  font-size: var(--text-xs);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-dark);
  letter-spacing: 0.03em;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.top-bar-credentials {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.top-bar-credentials span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.top-bar-contact {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.top-bar-link {
  color: var(--text-inverse);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 500;
  text-decoration: none;
}

.top-bar-link:hover {
  color: var(--accent-gold-light);
}

/* --- Main Site Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(250, 249, 246, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: padding var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(20, 24, 27, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  transition: height var(--transition-fast);
}

.site-header.scrolled .header-inner {
  height: 70px;
}

/* --- Sophisticated Logo Formulation --- */
.brand-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.15;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  text-transform: uppercase;
}

.brand-tagline {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-top: 2px;
}

/* --- Desktop Navigation --- */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  padding: 0.5rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-gold);
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-gold-dark);
}

/* Dropdown Menu */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: -1rem;
  width: 260px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.75rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 100;
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 0.6rem 1.25rem;
  font-size: var(--text-sm);
  color: var(--text-primary);
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-link:hover {
  background-color: var(--bg-subtle);
  color: var(--accent-gold-dark);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.phone-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--dental-navy);
  text-decoration: none;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  background-color: var(--dental-subtle);
  border: 1px solid rgba(21, 43, 68, 0.15);
  transition: all var(--transition-fast);
}

.phone-cta-link:hover {
  background-color: var(--dental-navy);
  color: var(--text-inverse);
}

/* Mobile Menu Trigger Button */
.mobile-menu-btn {
  display: none;
  padding: 0.5rem;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
}

/* --- Mobile Navigation Drawer --- */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--bg-surface);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
}

.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 1.5rem;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.mobile-nav-link {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
}

.mobile-nav-link.active {
  color: var(--accent-gold);
}

.mobile-drawer-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* --- Buttons & CTAs --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.9rem 1.65rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn svg {
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(3px);
}

/* Button Variants */
.btn-primary {
  background-color: var(--accent-gold);
  color: #FFFFFF;
  border-color: var(--accent-gold);
}

.btn-primary:hover {
  background-color: var(--accent-gold-dark);
  border-color: var(--accent-gold-dark);
  box-shadow: 0 4px 12px rgba(184, 142, 72, 0.25);
  color: #FFFFFF;
}

.btn-dark {
  background-color: var(--bg-dark);
  color: var(--text-inverse);
  border-color: var(--bg-dark);
}

.btn-dark:hover {
  background-color: var(--dental-navy);
  border-color: var(--dental-navy);
  color: var(--text-inverse);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-light);
}

.btn-outline:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold-dark);
  background-color: var(--accent-gold-subtle);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--text-inverse);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
  border-color: var(--accent-gold-light);
  color: var(--accent-gold-light);
  background-color: rgba(255, 255, 255, 0.05);
}

.btn-sm {
  font-size: var(--text-xs);
  padding: 0.6rem 1.15rem;
}

.btn-lg {
  font-size: var(--text-base);
  padding: 1.1rem 2.25rem;
}

.btn-full {
  width: 100%;
}

/* Text Link with Arrow */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent-gold-dark);
  text-decoration: none;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.text-link svg {
  transition: transform var(--transition-fast);
}

.text-link:hover {
  color: var(--text-primary);
}

.text-link:hover svg {
  transform: translateX(4px);
}

/* --- Trust Strip --- */
.trust-strip {
  background-color: var(--bg-dark);
  color: var(--text-inverse);
  padding: 1.25rem 0;
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}

.trust-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-inverse-muted);
}

.trust-item svg {
  color: var(--accent-gold-light);
  flex-shrink: 0;
}

.trust-item strong {
  color: var(--text-inverse);
  font-weight: 700;
}

/* --- Badges & Status Pills --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1;
}

.badge-active {
  background-color: rgba(35, 122, 75, 0.1);
  color: var(--status-active);
  border: 1px solid rgba(35, 122, 75, 0.2);
}

.badge-escrow {
  background-color: rgba(192, 116, 33, 0.1);
  color: var(--status-escrow);
  border: 1px solid rgba(192, 116, 33, 0.2);
}

.badge-lease {
  background-color: rgba(31, 94, 140, 0.1);
  color: var(--status-lease);
  border: 1px solid rgba(31, 94, 140, 0.2);
}

.badge-confidential {
  background-color: var(--accent-gold-subtle);
  color: var(--accent-gold-dark);
  border: 1px solid var(--accent-gold-border);
}

/* --- Listing Card System --- */
.listing-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  height: 100%;
  position: relative;
}

.listing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--accent-gold-border);
}

.listing-card-header {
  position: relative;
  height: 210px;
  background-color: var(--dental-navy);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.listing-card-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.2;
  background-image: radial-gradient(var(--accent-gold) 1px, transparent 1px);
  background-size: 16px 16px;
}

.listing-card-badges {
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2;
}

.listing-card-graphic {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--text-inverse);
  padding: 1rem;
}

.listing-card-id {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent-gold-light);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.listing-card-location {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-inverse);
  line-height: 1.15;
}

.listing-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.listing-card-type {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.listing-card-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: var(--leading-tight);
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.listing-card-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 1.25rem;
}

.spec-item {
  display: flex;
  flex-direction: column;
}

.spec-label {
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.spec-value {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
}

.listing-card-financials {
  margin-bottom: 1.25rem;
}

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.25rem;
}

.price-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.price-value {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--dental-navy);
}

.listing-card-footer {
  margin-top: auto;
  padding-top: 1rem;
  display: flex;
  gap: 0.75rem;
}

/* --- Filter Bar --- */
.filter-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.filter-btn {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background: var(--accent-gold-subtle);
  color: var(--accent-gold-dark);
  border-color: var(--accent-gold-border);
}

.filter-btn.active {
  background: var(--bg-dark);
  color: var(--text-inverse);
  border-color: var(--bg-dark);
}

.filter-select {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  cursor: pointer;
  outline: none;
}

.filter-select:focus {
  border-color: var(--accent-gold);
}

/* --- Forms System --- */
.form-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.form-label span.req {
  color: #C0392B;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  background-color: #FFFFFF;
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px rgba(184, 142, 72, 0.15);
  outline: none;
}

textarea.form-control {
  resize: vertical;
  min-height: 110px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-disclaimer {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 1rem;
}

/* Honeypot hidden input */
.honeypot-field {
  display: none !important;
  position: absolute !important;
  left: -9999px !important;
}

/* Form Alert Messages */
.form-alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  margin-bottom: 1.25rem;
  display: none;
  line-height: 1.5;
}

.form-alert-success {
  background-color: #E8F5E9;
  color: #1B5E20;
  border: 1px solid #A5D6A7;
}

.form-alert-error {
  background-color: #FFEBEE;
  color: #B71C1C;
  border: 1px solid #FFCDD2;
}

/* --- Site Footer --- */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-inverse-muted);
  padding-top: var(--space-4xl);
  padding-bottom: 5rem; /* extra padding for mobile action bar */
  border-top: 1px solid var(--border-dark);
  font-size: var(--text-sm);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand .brand-name {
  color: var(--text-inverse);
}

.footer-bio {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--text-inverse-muted);
  margin-top: 1rem;
  margin-bottom: 1.5rem;
  max-width: 380px;
}

.footer-heading {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-gold-light);
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-inverse-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-inverse);
  padding-left: 3px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--text-inverse-muted);
}

.footer-contact-item svg {
  color: var(--accent-gold-light);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-contact-item a {
  color: var(--text-inverse);
  text-decoration: none;
  font-weight: 600;
}

.footer-contact-item a:hover {
  color: var(--accent-gold-light);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-dark);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

.footer-legal-links a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-legal-links a:hover {
  color: var(--text-inverse);
}

.footer-disclaimer-block {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.75rem;
  line-height: 1.6;
  color: #6A747D;
}

/* --- Persistent Mobile Action Bar --- */
.mobile-action-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  background-color: var(--bg-dark);
  border-top: 1px solid var(--border-dark);
  padding: 0.5rem 0.75rem;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.25);
}

.mobile-action-bar-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.mobile-action-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  color: var(--text-inverse-muted);
  text-decoration: none;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.4rem 0.2rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.mobile-action-item svg {
  width: 20px;
  height: 20px;
}

.mobile-action-item.highlight {
  background-color: var(--accent-gold);
  color: #FFFFFF;
}

.mobile-action-item:hover,
.mobile-action-item:active {
  color: var(--accent-gold-light);
}

.mobile-action-item.highlight:hover {
  background-color: var(--accent-gold-dark);
  color: #FFFFFF;
}