/* ==========================================================================
   ZFDV - Enterprise Component Styles
   ========================================================================== */

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-img {
  height: 44px;
  width: auto;
  display: block;
}

/* Light / Dark Logo Switching */
[data-theme="dark"] .brand-logo-light { display: none; }
[data-theme="dark"] .brand-logo-dark { display: block; }
[data-theme="light"] .brand-logo-dark { display: none; }
[data-theme="light"] .brand-logo-light { display: block; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
  padding: 6px 0;
}

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

[data-theme="dark"] .nav-link:hover, [data-theme="dark"] .nav-link.active {
  color: var(--accent-teal);
}

/* Header Action Controls */
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Control Pills (Theme & Lang) */
.toggle-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  height: 38px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.toggle-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-medium);
}

.lang-toggle-btn {
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  min-width: 68px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #00A8E8 0%, #0077B6 100%);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 168, 232, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #00B4D8 0%, #0284C7 100%);
  box-shadow: 0 4px 16px rgba(0, 168, 232, 0.45);
  transform: translateY(-1px);
  color: #FFFFFF;
}

[data-theme="dark"] .btn-primary {
  background: linear-gradient(135deg, #00C49F 0%, #0096C7 100%);
  color: #06101E;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(0, 196, 159, 0.35);
}

[data-theme="dark"] .btn-primary:hover {
  background: linear-gradient(135deg, #00E5BA 0%, #00B4D8 100%);
  box-shadow: 0 4px 20px rgba(0, 196, 159, 0.5);
  color: #06101E;
}

.btn-secondary {
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  color: var(--text-primary);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
  height: 38px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.0625rem;
  border-radius: var(--radius-md);
}

/* Mobile Menu Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  padding-top: 80px;
  padding-bottom: 100px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
  margin-bottom: 32px;
}

.hero-credentials {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.credential-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.credential-item svg {
  color: var(--accent-emerald);
  flex-shrink: 0;
}

/* Hero Tech Graphic / Interactive Console Visual */
.hero-visual-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
}

.console-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.console-dots {
  display: flex;
  gap: 6px;
}

.console-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #CBD5E1;
}

.console-dot.red { background: #EF4444; }
.console-dot.yellow { background: #F59E0B; }
.console-dot.green { background: #10B981; }

.console-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.console-body {
  padding: 24px;
}

.telemetry-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.telemetry-row:last-child {
  border-bottom: none;
}

.telemetry-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.telemetry-val {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.875rem;
}

.status-live-pulse {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 8px #10B981;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* ==========================================================================
   KPI Stats Bar
   ========================================================================== */
.stats-banner {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 40px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-card {
  text-align: center;
  padding: 12px;
}

.stat-number {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 10px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .stat-number {
  background: linear-gradient(135deg, #FFFFFF 0%, #00C49F 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.stat-subtext {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Architecture & Flowchart Section
   ========================================================================== */
.flow-diagram {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  position: relative;
  margin-top: 48px;
}

.flow-step {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  position: relative;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.flow-step:hover {
  transform: translateY(-4px);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-md);
}

.flow-step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 12px;
  display: inline-block;
}

[data-theme="dark"] .flow-step-num {
  color: var(--accent-teal);
}

.flow-step-title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.flow-step-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   Services Grid
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.service-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: rgba(0, 168, 232, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--accent-cyan);
}

[data-theme="dark"] .service-icon-box {
  background: rgba(0, 196, 159, 0.12);
  color: var(--accent-teal);
}

.service-features-list {
  list-style: none;
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-features-list li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.service-features-list li svg {
  color: var(--accent-emerald);
  flex-shrink: 0;
  margin-top: 3px;
}

/* ==========================================================================
   Factoring Comparison Matrix
   ========================================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

.enterprise-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9375rem;
}

.enterprise-table th,
.enterprise-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.enterprise-table th {
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
}

.enterprise-table tr:last-child td {
  border-bottom: none;
}

.enterprise-table tbody tr:hover {
  background: var(--bg-card-hover);
}

.table-tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
}

.table-tag.best {
  background: rgba(16, 185, 129, 0.15);
  color: #10B981;
}

.table-tag.neutral {
  background: rgba(0, 168, 232, 0.12);
  color: var(--accent-cyan);
}

/* ==========================================================================
   Interactive Enterprise Calculator
   ========================================================================== */
.calc-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
}

.calc-control-group {
  margin-bottom: 28px;
}

.calc-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.calc-label {
  font-weight: 700;
  font-size: 1rem;
}

.calc-val-display {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

[data-theme="dark"] .calc-val-display {
  color: var(--accent-teal);
}

.calc-slider {
  width: 100%;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--border-subtle);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-cyan);
  border: 3px solid #FFFFFF;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.calc-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.calc-radio-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 10px;
}

.calc-radio-label {
  display: flex;
  flex-direction: column;
  padding: 12px 14px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.calc-radio-label:hover {
  border-color: var(--border-medium);
}

.calc-radio-label.active {
  border-color: var(--accent-cyan);
  background: rgba(0, 168, 232, 0.08);
}

.calc-result-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calc-metric-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.calc-metric-title {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.calc-metric-value {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}

.calc-qualify-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.875rem;
  margin-top: 20px;
  margin-bottom: 24px;
}

.calc-qualify-badge.qualified {
  background: rgba(16, 185, 129, 0.15);
  color: #10B981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.calc-qualify-badge.unqualified {
  background: rgba(245, 158, 11, 0.15);
  color: #F59E0B;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* ==========================================================================
   64-Country Compliance Directory
   ========================================================================== */
.country-filter-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.country-tab-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.country-tab-btn.active, .country-tab-btn:hover {
  background: var(--accent-cyan);
  color: #FFFFFF;
  border-color: var(--accent-cyan);
}

.country-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.country-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.country-flag-name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.9375rem;
}

.country-standards {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
}

[data-theme="dark"] .country-standards {
  color: var(--accent-teal);
}

.country-badge-row {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}

.mini-badge {
  font-size: 0.6875rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-secondary);
  color: var(--text-muted);
}

/* ==========================================================================
   API Code Interactive Explorer
   ========================================================================== */
.code-console {
  background: var(--code-bg);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.code-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.3);
  padding: 8px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-tabs {
  display: flex;
  gap: 8px;
}

.code-tab-btn {
  background: none;
  border: none;
  color: #94A3B8;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  padding: 6px 14px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.code-tab-btn.active {
  background: rgba(255, 255, 255, 0.1);
  color: #38BDF8;
}

.copy-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #E2E8F0;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.code-pre {
  margin: 0;
  padding: 24px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--code-text);
}

/* ==========================================================================
   Contact Form & Anti-Spam Security
   ========================================================================== */
.contact-section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.security-assurance-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 32px;
}

.security-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.security-item:last-child {
  margin-bottom: 0;
}

.security-item svg {
  color: var(--accent-emerald);
  flex-shrink: 0;
  margin-top: 3px;
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 168, 232, 0.15);
}

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

/* Honeypot & Bot Trap */
.bot-trap-field {
  position: absolute !important;
  left: -9999px !important;
  top: -9999px !important;
  opacity: 0 !important;
  pointer-events: none !important;
  tab-index: -1 !important;
}

/* Security Verification Challenge */
.captcha-box {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}

.captcha-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.captcha-input {
  width: 90px;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
}

.form-feedback {
  padding: 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-top: 16px;
  display: none;
}

.form-feedback.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10B981;
}

.form-feedback.error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #EF4444;
}

/* ==========================================================================
   Site Footer
   ========================================================================== */
.site-footer {
  background: var(--dark-surface);
  color: #94A3B8;
  padding-top: 80px;
  padding-bottom: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-col-title {
  color: #FFFFFF;
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  color: #94A3B8;
  font-size: 0.875rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: #38BDF8;
}

.footer-legal-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #E2E8F0;
  margin-top: 16px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8125rem;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .flow-diagram {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .calc-wrapper {
    grid-template-columns: 1fr;
    padding: 32px;
  }
  .country-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .contact-section-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-subtle);
    padding: 24px;
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
    box-shadow: var(--shadow-lg);
  }
  .main-nav.is-open {
    display: flex;
  }
  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .flow-diagram {
    grid-template-columns: 1fr;
  }
  .country-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .calc-radio-group {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}