/* ==========================================================================
   LinkFin Enterprise Design System
   Aesthetic: Modern Minimalist Enterprise (Light Theme, Editorial Typography)
   ========================================================================== */

:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, Menlo, monospace;

  /* Color Palette */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-subtle: #F1F5F9;
  --bg-surface: #FFFFFF;

  --border-light: #E2E8F0;
  --border-subtle: #CBD5E1;
  --border-dark: #0F172A;

  --text-main: #0F172A;
  --text-muted: #475569;
  --text-light: #64748B;
  --text-inverse: #FFFFFF;

  --accent-primary: #0F388A;
  --accent-primary-hover: #0A2660;
  --accent-blue: #1D4ED8;
  --accent-blue-subtle: #EFF6FF;

  --success-green: #059669;
  --success-bg: #ECFDF5;
  --success-border: #A7F3D0;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;

  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
}

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

html {
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

p {
  color: var(--text-muted);
}

a {
  color: inherit;
  text-decoration: none;
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background-color: var(--bg-subtle);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.font-mono { font-family: var(--font-mono); }
.font-semibold { font-weight: 600; }
.text-success { color: var(--success-green); }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }

/* Layout Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease-in-out;
  text-align: center;
  gap: 0.5rem;
}

.btn:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

.btn-sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--text-main);
  color: var(--bg-primary);
  border-color: var(--text-main);
}

.btn-primary:hover {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
}

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

.btn-outline:hover {
  background-color: var(--bg-secondary);
  border-color: var(--text-main);
}

.btn-block {
  width: 100%;
}

.arrow {
  display: inline-block;
  transition: transform 0.15s ease;
}

.btn:hover .arrow {
  transform: translate(2px, -2px);
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-light);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background-color: var(--text-main);
  color: var(--bg-primary);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.main-nav {
  display: flex;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.15s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Hero Section */
.hero-section {
  padding: 5rem 0 4rem;
  background-color: var(--bg-primary);
}

.hero-container {
  display: flex;
  flex-direction: column;
  max-width: 960px;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  width: fit-content;
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--success-green);
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

.hero-description {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 820px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 4rem;
}

/* Metric Strip */
.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding: 2rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
}

.metric-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.metric-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.03em;
}

.metric-label {
  font-size: 0.8125rem;
  color: var(--text-light);
  line-height: 1.4;
}

/* Trust & Accreditation Bar */
.trust-bar {
  padding: 2rem 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  background-color: var(--bg-secondary);
}

.trust-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.trust-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--text-light);
}

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

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

.trust-item strong {
  font-size: 0.9375rem;
  color: var(--text-main);
}

.trust-item small {
  font-size: 0.75rem;
  color: var(--text-light);
}

.trust-divider {
  width: 1px;
  height: 2rem;
  background-color: var(--border-light);
}

/* Product Section Generic */
.product-section {
  padding: 5.5rem 0;
}

.bg-subtle {
  background-color: var(--bg-secondary);
}

.section-header {
  margin-bottom: 3.5rem;
  max-width: 780px;
}

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-blue);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Feature Grid (OpenBank+) */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.feature-card:hover {
  border-color: var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.card-num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.feature-list {
  list-style: none;
  border-top: 1px solid var(--border-light);
  padding-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.feature-list li {
  font-size: 0.8125rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.feature-list li::before {
  content: "—";
  color: var(--accent-blue);
  font-weight: bold;
}

/* Loxa CBS Architecture Grid */
.partnership-banner {
  margin-bottom: 3.5rem;
  max-width: 840px;
}

.partner-badge {
  display: inline-flex;
  padding: 0.35rem 0.75rem;
  background-color: #E0E7FF;
  color: #3730A3;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.cbs-architecture-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.cbs-info-col h3 {
  font-size: 1.75rem;
  margin: 0.75rem 0 1rem;
}

.cbs-info-col p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.badge-neutral {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Spec Table */
.spec-table-container {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--bg-primary);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.spec-table th {
  background-color: var(--bg-secondary);
  padding: 0.75rem 1.25rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-light);
  border-bottom: 1px solid var(--border-light);
}

.spec-table td {
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-muted);
  line-height: 1.5;
}

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

.spec-table td strong {
  color: var(--text-main);
}

/* Integration Card */
.integration-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-sm);
}

.integration-card h4 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.integration-card p {
  font-size: 0.9375rem;
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.flow-steps {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.flow-step {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background-color: var(--bg-secondary);
}

.highlight-step {
  border-color: #C7D2FE;
  background-color: #EEF2FF;
}

.flow-num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--accent-blue);
  background-color: var(--bg-primary);
  width: 1.75rem;
  height: 1.75rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-light);
}

.flow-text strong {
  font-size: 0.875rem;
  color: var(--text-main);
  display: block;
}

.flow-text p {
  font-size: 0.8125rem;
  margin: 0.25rem 0 0;
  line-height: 1.4;
}

.flow-connector {
  text-align: center;
  font-family: var(--font-mono);
  color: var(--text-light);
  font-size: 1rem;
}

/* Interactive Workstation */
.interactive-section {
  padding: 5.5rem 0;
  background-color: var(--bg-primary);
}

.workstation-wrapper {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background-color: var(--bg-surface);
}

.workstation-tabs {
  display: flex;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  overflow-x: auto;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1.1rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-right: 1px solid var(--border-light);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.tab-btn:hover {
  background-color: var(--bg-primary);
  color: var(--text-main);
}

.tab-btn.active {
  background-color: var(--bg-primary);
  color: var(--text-main);
  border-bottom-color: var(--text-main);
}

.tab-icon {
  font-size: 1rem;
}

.workstation-screen {
  padding: 0;
}

.screen-view {
  display: none;
}

.screen-view.active {
  display: block;
}

.screen-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.5rem;
  background-color: var(--bg-subtle);
  border-bottom: 1px solid var(--border-light);
  font-size: 0.8125rem;
}

.topbar-meta {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-muted);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success-green);
}

.topbar-action {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-light);
}

.screen-body {
  padding: 2rem;
}

.screen-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.screen-panel {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  background-color: var(--bg-secondary);
}

.panel-header {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-light);
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 0.5rem;
}

.data-row {
  display: flex;
  justify-content: space-between;
  padding: 0.45rem 0;
  font-size: 0.875rem;
}

.data-row .label {
  color: var(--text-muted);
}

.data-row .val {
  color: var(--text-main);
  text-align: right;
}

.quick-ppob {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.ppob-chip {
  padding: 0.5rem;
  font-size: 0.8125rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background-color: var(--bg-primary);
  text-align: center;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.15s ease;
}

.ppob-chip.active {
  border-color: var(--text-main);
  background-color: var(--text-main);
  color: var(--bg-primary);
}

.status-alert {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-light);
  background-color: var(--bg-primary);
  padding: 0.5rem;
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

/* Ledger Screen */
.ledger-table-wrapper {
  overflow-x: auto;
}

.ledger-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.ledger-table th {
  background-color: var(--bg-secondary);
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-light);
  border-bottom: 1px solid var(--border-light);
}

.ledger-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-muted);
}

.tag-badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  background-color: #E2E8F0;
  color: #334155;
  border-radius: var(--radius-sm);
}

.panel-footnote {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
  font-size: 0.8125rem;
  color: var(--text-light);
}

.text-link {
  color: var(--accent-blue);
  font-weight: 600;
}

.text-link:hover {
  text-decoration: underline;
}

/* Agent Stream */
.stream-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.stream-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
}

.time-stamp {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-light);
}

.agent-id {
  font-weight: 600;
  color: var(--text-main);
}

.trans-desc {
  color: var(--text-muted);
}

.badge-success {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--success-green);
  background-color: var(--success-bg);
  border: 1px solid var(--success-border);
  padding: 0.2rem 0.5rem;
  border-radius: 9999px;
}

/* Compliance Grid */
.compliance-section {
  padding: 5.5rem 0;
  background-color: var(--bg-secondary);
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.compliance-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.compliance-card h4 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.compliance-card p {
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* CTA Section */
.cta-section {
  padding: 6rem 0;
  background-color: var(--bg-primary);
}

.cta-container {
  border: 1px solid var(--text-main);
  background-color: var(--text-main);
  color: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: 4rem 3rem;
}

.cta-content {
  max-width: 680px;
}

.cta-content h2 {
  color: var(--bg-primary);
  font-size: 2.5rem;
  margin-bottom: 1.25rem;
}

.cta-content p {
  color: #94A3B8;
  font-size: 1.125rem;
  line-height: 1.6;
  margin-bottom: 2.5rem;
}

.cta-button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.cta-section .btn-primary {
  background-color: var(--bg-primary);
  color: var(--text-main);
  border-color: var(--bg-primary);
}

.cta-section .btn-primary:hover {
  background-color: var(--bg-subtle);
}

.cta-section .btn-outline {
  border-color: #475569;
  color: var(--bg-primary);
}

.cta-section .btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--bg-primary);
}

/* Footer */
.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  padding: 4.5rem 0 2rem;
  font-size: 0.875rem;
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-logo {
  margin-bottom: 1rem;
}

.footer-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.footer-partners {
  font-size: 0.8125rem;
  color: var(--text-light);
  line-height: 1.5;
}

.footer-links-col h5 {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-main);
  margin-bottom: 1.25rem;
}

.footer-links-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-col a {
  color: var(--text-muted);
  transition: color 0.15s ease;
}

.footer-links-col a:hover {
  color: var(--text-main);
}

.footer-contact p {
  font-size: 0.8125rem;
  margin-bottom: 0.25rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
  font-size: 0.8125rem;
  color: var(--text-light);
}

.bottom-links a {
  color: var(--text-muted);
  font-weight: 500;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-backdrop.active {
  display: flex;
}

.modal-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  box-shadow: var(--shadow-lg);
  padding: 2.25rem;
  animation: modalFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.modal-title {
  font-size: 1.35rem;
  font-weight: 700;
}

.modal-subtitle {
  font-size: 0.8125rem;
  color: var(--text-light);
  margin-top: 0.25rem;
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-light);
  cursor: pointer;
}

.modal-close-btn:hover {
  color: var(--text-main);
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--text-main);
  background-color: var(--bg-surface);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.1);
}

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

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.modal-success-state {
  display: none;
  text-align: center;
  padding: 2rem 0;
}

.modal-success-state.active {
  display: block;
}

.success-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background-color: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success-green);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.modal-success-state h4 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.modal-success-state p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-title { font-size: 2.75rem; }
  .metric-strip { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .cbs-architecture-grid { grid-template-columns: 1fr; }
  .footer-container { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .hero-title { font-size: 2.25rem; }
  .metric-strip { grid-template-columns: 1fr; }
  .screen-grid { grid-template-columns: 1fr; }
  .compliance-grid { grid-template-columns: 1fr; }
  .cta-container { padding: 2.5rem 1.5rem; }
  .footer-container { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}