/* Modern Professional Design - AI Receptionist Portal */

/* Base Styles */
:root {
  --primary-color: #258cfb;
  --primary-dark: #1a6dc9;
  --primary-light: #e3f2fd;
  --secondary-color: #6c757d;
  --success-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --bg-light: #f9fafb;
  --bg-white: #ffffff;
  --border-color: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-light);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Header Styles */
.modern-header {
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.modern-header .navbar {
  padding: 0.75rem 0;
}

.navbar-brand {
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--text-primary);
  transition: opacity 0.2s ease;
  text-decoration: none;
}

.navbar-brand:hover {
  opacity: 0.8;
  color: var(--text-primary);
}

.brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-text {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.navbar-toggler {
  padding: 0.5rem;
  border-radius: var(--radius-md);
  transition: background-color 0.2s ease;
}

.navbar-toggler:focus {
  box-shadow: none;
  background-color: var(--bg-light);
}

.navbar-toggler:hover {
  background-color: var(--bg-light);
}

.navbar-nav {
  gap: 0.25rem;
}

@media (min-width: 992px) {
  .navbar-nav {
    gap: 0.5rem;
  }
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.938rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav-link:hover {
  color: var(--primary-color);
  background-color: var(--primary-light);
}

.nav-link svg {
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.nav-link:hover svg {
  opacity: 1;
}

.nav-link.active {
  color: var(--primary-color);
  background-color: var(--primary-light);
}

/* Main Content */
.main-content {
  flex: 1;
  padding: 2rem 0;
}

@media (min-width: 768px) {
  .main-content {
    padding: 0rem 0;
  }
}

/* Footer Styles */
.modern-footer {
  background: var(--bg-white);
  border-top: 1px solid var(--border-color);
  margin-top: auto;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.modern-footer p {
  margin-bottom: 0;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
  font-weight: 500;
}

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

/* Form Styles */
.btn:focus, 
.btn:active:focus, 
.btn-link.nav-link:focus, 
.form-control:focus, 
.form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--primary-color);
}

.btn {
  font-weight: 500;
  border-radius: var(--radius-md);
  padding: 0.625rem 1.25rem;
  transition: all 0.2s ease;
  border: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.form-control {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 0.625rem 0.875rem;
  transition: all 0.2s ease;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-floating > .form-control-plaintext::placeholder, 
.form-floating > .form-control::placeholder {
  color: var(--text-secondary);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, 
.form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* Card Styles */
.card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  background: var(--bg-white);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-header {
  background-color: var(--bg-light);
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  padding: 1rem 1.25rem;
}

.card-body {
  padding: 1.5rem 1.25rem;
}

/* Alert Styles */
.alert {
  border-radius: var(--radius-md);
  border: none;
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-sm);
}

.alert-info {
  background-color: var(--primary-light);
  color: var(--primary-dark);
}

.alert-success {
  background-color: #d1fae5;
  color: #065f46;
}

.alert-warning {
  background-color: #fef3c7;
  color: #92400e;
}

.alert-danger {
  background-color: #fee2e2;
  color: #991b1b;
}

/* Badge Styles */
.badge {
  border-radius: var(--radius-sm);
  padding: 0.375rem 0.625rem;
  font-weight: 600;
  font-size: 0.75rem;
}

/* Mobile Responsiveness */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: var(--bg-white);
    padding: 1rem 0;
    margin-top: 0.5rem;
    border-top: 1px solid var(--border-color);
  }

  .nav-link {
    padding: 0.75rem 1rem;
    margin: 0.125rem 0;
  }

  .main-content {
    padding: 1.5rem 0;
  }

  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

@media (max-width: 575.98px) {
  .brand-text {
    font-size: 1.125rem;
  }

  .main-content {
    padding: 1rem 0;
  }

  .card-body {
    padding: 1rem;
  }

  .modern-footer .row > div {
    text-align: center !important;
  }

  .modern-footer .col-md-6:last-child {
    margin-top: 0.5rem;
  }
}

/* Utility Classes */
.text-primary {
  color: var(--primary-color) !important;
}

.bg-primary {
  background-color: var(--primary-color) !important;
}

.shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}

.shadow-md {
  box-shadow: var(--shadow-md) !important;
}

.shadow-lg {
  box-shadow: var(--shadow-lg) !important;
}

.rounded-md {
  border-radius: var(--radius-md) !important;
}

.rounded-lg {
  border-radius: var(--radius-lg) !important;
}

/* ── Legal pages (Terms, Privacy, Cookie Policy) ──────────────────────────── */
.legal-content {
  font-size: 0.9rem;
  line-height: 1.75;
  color: #374151;
  max-width: 860px;
}

.legal-content h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  color: #1f2937;
  border-bottom: 1px solid #e5e7eb;
  padding-bottom: 0.25rem;
}

.legal-content h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 1.25rem;
  margin-bottom: 0.375rem;
  color: #374151;
}

.legal-content p,
.legal-content ul,
.legal-content ol,
.legal-content table {
  margin-bottom: 0.875rem;
}

.legal-content p.lead {
  font-size: 0.9375rem;
  color: #6b7280;
}

.legal-content address {
  font-size: 0.875rem;
  line-height: 1.8;
}

.legal-content table {
  font-size: 0.8125rem;
}

.legal-content code {
  font-size: 0.8rem;
  background: #f3f4f6;
  padding: 0.1em 0.3em;
  border-radius: 0.25rem;
}

/* Loading Animation */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Smooth Transitions */
a, button, .btn, .nav-link, .card {
  transition: all 0.2s ease;
}

/* Focus Visible for Accessibility */
*:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .modern-header,
  .modern-footer {
    display: none;
  }

  .main-content {
    padding: 0;
  }
}

/* ===== Knowledge Source cards ===== */
.source-card {
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  cursor: pointer;
  border: 2px solid transparent;
}

.source-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

/* ===== Plan cards (Plans page) ===== */
.plan-card {
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  cursor: pointer;
}

.plan-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.plan-card.popular,
.plan-card--popular {
  transform: scale(1.03);
}

.plan-card.popular:hover,
.plan-card--popular:hover {
  transform: scale(1.03) translateY(-6px);
  box-shadow: var(--shadow-xl);
}