/* Custom Variables */
:root {
  --primary-color: #960000;
  --secondary-color: #960000;
  --background-color: #ffffff;
  --accent-color: #960000;
  --success-color: #16a085;
  --text-color: #960000;
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
  --danger-color: #960000;
  --warning-color: #f39c12;
  --info-color: #16a085;
  --shadow-color: rgba(150, 0, 0, 0.1);
  --hover-bg: rgba(150, 0, 0, 0.05);
  --animation-timing: cubic-bezier(0.4, 0, 0.2, 1);
  --gradient-primary: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    #cc0000 100%
  );
  --h1-font-size: clamp(2rem, 5vw, 3rem);
  --h2-font-size: clamp(1.5rem, 4vw, 2.5rem);
  --h3-font-size: clamp(1.25rem, 3vw, 2rem);
  --base-font-size: clamp(1rem, 2vw, 1.125rem);
  --small-font-size: clamp(0.875rem, 1.5vw, 1rem);
  --space-xs: clamp(0.5rem, 1vw, 0.75rem);
  --space-sm: clamp(0.75rem, 1.5vw, 1rem);
  --space-md: clamp(1rem, 2vw, 1.5rem);
  --space-lg: clamp(1.5rem, 3vw, 2rem);
  --space-xl: clamp(2rem, 4vw, 3rem);
  --container-max-width-desktop: 1440px;
  --container-max-width-laptop: 1200px;
  --container-max-width-tablet: 960px;
  --container-max-width-mobile: 540px;
}

/* General Styles */
html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-y: scroll;
  -webkit-overflow-scrolling: touch;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  transition: all 0.3s var(--animation-timing);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
  font-size: var(--base-font-size);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

main {
  flex: 1;
}

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 6px var(--shadow-color);
  transition: all 0.3s var(--animation-timing);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: var(--space-md);
}

.card:hover {
  box-shadow: 0 8px 16px var(--shadow-color);
  transform: translateY(-2px);
  border-color: var(--primary-color);
}

.card-body {
  padding: var(--space-xl);
}

/* Form Styles */
.form-control,
.form-select {
  border: 2px solid var(--border-color);
  background-color: var(--card-bg);
  color: var(--text-color);
  border-radius: 12px;
  padding: var(--space-sm) var(--space-md);
  transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(231, 76, 60, 0.15);
}

/* Button Styles */
.btn {
  padding: var(--space-sm) var(--space-md);
  border-radius: 12px;
  font-weight: 600;
  transition: all 0.3s var(--animation-timing);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--gradient-primary);
  border: none;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.3s var(--animation-timing);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-outline-secondary {
  border-color: var(--border-color);
  color: var(--text-color);
}

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

.btn-danger {
  background-color: var(--danger-color);
  border-color: var(--danger-color);
}

/* Navigation Styles */
.navbar {
  padding: var(--space-sm) 0;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background-color: var(--primary-color) !important;
  box-shadow: 0 2px 20px var(--shadow-color);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all 0.3s var(--animation-timing);
}

.navbar.scrolled {
  padding: 0.5rem 0;
  background-color: var(--card-bg) !important;
}

.navbar-brand {
  font-size: 1.75rem;
  font-weight: 800;
  color: #ffffff !important;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
  padding: 0.5rem 0;
}

.navbar-brand i {
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.navbar-brand:hover i {
  transform: rotate(-10deg);
}

.navbar-brand::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--secondary-color)
  );
  transition: width 0.3s ease;
  border-radius: 3px;
}

.navbar-brand:hover::after {
  width: 100%;
}

.nav-link {
  font-weight: 500;
  color: #ffffff !important;
  padding: 0.5rem 1rem !important;
  margin: 0 0.25rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: #ffffff !important;
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.nav-link.active {
  color: #ffffff !important;
  background-color: rgba(255, 255, 255, 0.2);
  font-weight: 600;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  background: #ffffff;
  border-radius: 3px;
}

/* Alert Styles */
.alert {
  border-radius: 12px;
  border: none;
  padding: 1rem 1.25rem;
}

.alert-info {
  background-color: rgba(0, 180, 216, 0.1);
  color: var(--info-color);
}

.alert-warning {
  background-color: rgba(243, 156, 18, 0.1);
  color: var(--warning-color);
}

.alert-danger {
  background-color: rgba(231, 76, 60, 0.1);
  color: var(--danger-color);
}

.alert-success {
  background-color: rgba(22, 160, 133, 0.1);
  color: var(--success-color);
}

/* Toast Message */
.toast-message {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--card-bg);
  color: var(--text-color);
  padding: 1rem 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px var(--shadow-color);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid var(--border-color);
  animation: slideIn 0.3s var(--animation-timing),
    fadeOut 0.3s var(--animation-timing) 2.7s;
}

/* Password Form */
.password-form {
  position: relative;
}

.password-form .input-group {
  box-shadow: 0 2px 4px var(--shadow-color);
  border-radius: 12px;
  overflow: hidden;
}

.password-form .form-control {
  border-right: none;
  padding-right: 3rem;
}

.password-form .btn {
  border-left: none;
  background: transparent;
  color: var(--text-color);
  opacity: 0.7;
  padding: 0.75rem;
  width: 48px;
}

.password-form .btn:hover {
  opacity: 1;
  color: var(--primary-color);
}

/* Note Content */
.note-content {
  background-color: var(--background-color);
  border-radius: 12px;
  padding: 1.5rem !important;
  font-family: "Fira Code", monospace;
  line-height: 1.6;
}

/* Copy Button */
.copy-button {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.5rem;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  transition: all 0.3s var(--animation-timing);
  opacity: 0.7;
}

.copy-button:hover {
  opacity: 1;
  transform: scale(1.1);
  background-color: var(--primary-color);
  color: white;
}

/* Ensure all Font Awesome icons use theme colors */
.fas,
.fab,
.far,
.fal,
.fa-solid,
.fa-brands,
.fa-regular,
.fa-light {
  color: var(--primary-color) !important;
}

/* Override for specific icon contexts */
.security-icon,
.use-case-icon {
  color: var(--primary-color) !important;
}

/* Step number icons should be white on red background */
.step-number i {
  color: white !important;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(150, 0, 0, 0.3);
}

.back-to-top:hover {
  background: #cc0000;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(150, 0, 0, 0.4);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top i {
  color: white !important;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 1rem;
  }
}

/* Use case icon styling */
.use-case-icon {
  font-size: 1.5rem;
  color: var(--primary-color) !important;
}

/* Loading Spinner */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Footer Styles */
footer {
  border-top: 1px solid #eee;
}

footer a {
  font-size: 14px;
  transition: color 0.2s ease;
}

footer a:hover {
  color: #000 !important;
}

footer small {
  font-size: 12px;
  color: #6c757d;
}

footer .fab {
  font-size: 18px;
  transition: transform 0.3s ease;
}

footer a:hover .fab {
  transform: translateY(-3px);
}

@media (max-width: 768px) {
  footer .d-flex {
    flex-wrap: wrap;
    gap: 1rem !important;
    justify-content: center;
  }

  footer a {
    font-size: 13px;
  }

  footer .fab {
    font-size: 16px;
  }
}

/* Animations */
@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Template Buttons */
.template-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.template-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem;
  border-radius: 12px;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  transition: all 0.3s var(--animation-timing);
  font-weight: 500;
}

.template-button:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
  background-color: var(--hover-bg);
}

/* Password Strength */
.password-strength .progress-bar {
  transition: width 0.3s var(--animation-timing);
}

/* QR Code */
#noteQR {
  border: 1px solid var(--border-color);
  padding: 1rem;
  background-color: white;
  border-radius: 12px;
  transition: transform 0.3s var(--animation-timing);
  box-shadow: 0 2px 4px var(--shadow-color);
}

/* Brand Styles */
.brand-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

/* All Headings and Content - Mixed Colors */
h1,
.h1 {
  color: #2c3e50 !important;
}

h2,
.h2 {
  color: #2c3e50 !important;
}

h3,
.h3,
.card-title {
  color: #2c3e50 !important;
}

h4,
.h4,
h5,
.h5,
h6,
.h6 {
  color: #2c3e50 !important;
}

/* Paragraph text colors - mixed styling */
p,
.lead {
  color: #555555 !important;
}

/* Links in content */
p a,
.lead a {
  color: #0066cc !important;
}

/* Specific text emphasis */
strong,
b {
  color: #8b4513 !important;
}

/* Hero section headings remain white */
.hero-section h1,
.hero-section h2,
.hero-section h3,
.hero-section h4,
.hero-section h5,
.hero-section h6,
.hero-section p,
.hero-section .lead {
  color: white !important;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(150, 0, 0, 0.3);
}

.back-to-top:hover {
  background: #cc0000;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(150, 0, 0, 0.4);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top i {
  color: white !important;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 1rem;
  }
}

/* Enhanced Typography */
h1,
.h1 {
  font-size: var(--h1-font-size);
}
h2,
.h2 {
  font-size: var(--h2-font-size);
}
h3,
.h3 {
  font-size: var(--h3-font-size);
}

.brand-title {
  font-size: var(--h1-font-size);
  font-weight: 800;
  background: linear-gradient(45deg, #960000, #2c3e50, #8b4513, #0066cc);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
  line-height: 1.2;
  animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Enhanced Responsive Styles */
@media (max-width: 1200px) {
  .container {
    max-width: 95%;
  }
}

/* Enhanced Mobile Menu Styles */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: var(--secondary-color);
    padding: 1rem;
    border-radius: 12px;
    margin-top: 1rem;
    box-shadow: 0 4px 12px var(--shadow-color);
  }

  .nav-link {
    color: var(--background-color) !important;
    padding: 0.75rem 1rem !important;
    margin: 0.25rem 0;
    border-radius: 8px;
    transition: all 0.3s ease;
  }

  .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--accent-color) !important;
    transform: translateX(5px);
  }

  .nav-link.active {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--accent-color) !important;
    font-weight: 600;
  }

  .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.5);
    padding: 0.5rem;
  }

  .navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.25);
  }

  .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  }
}

@media (max-width: 767.98px) {
  .row > [class*="col-"] {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .card {
    margin-bottom: 1rem;
  }

  .btn-group {
    flex-direction: column;
    gap: 0.5rem;
  }

  .btn-group .btn {
    width: 100%;
  }

  .template-buttons {
    grid-template-columns: 1fr;
  }

  .toast-message {
    left: 20px;
    right: 20px;
    bottom: 20px;
    text-align: center;
  }
}

@media (max-width: 575.98px) {
  .card-body {
    padding: 1.25rem;
  }

  .form-floating {
    margin-bottom: 0.75rem;
  }

  .btn {
    padding: 0.625rem 1.25rem;
  }

  .navbar-brand {
    font-size: 1.5rem;
  }

  .hero-section {
    padding: 3rem 0;
  }
}

/* Touch Device Optimizations */
@media (hover: none) {
  .btn:hover,
  .card:hover,
  .nav-link:hover {
    transform: none !important;
  }

  .btn:active,
  .card:active,
  .nav-link:active {
    transform: scale(0.98) !important;
  }
}

/* High DPI Screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .card {
    box-shadow: 0 2px 4px var(--shadow-color);
  }

  .text-rendering {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}

/* Print Styles */
@media print {
  body {
    background: none !important;
    color: #000 !important;
  }

  .navbar,
  .footer,
  .no-print {
    display: none !important;
  }

  .card {
    box-shadow: none !important;
    border: 1px solid #ddd !important;
  }

  .note-content {
    break-inside: avoid;
  }

  a[href]:after {
    content: " (" attr(href) ")";
  }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.visually-hidden:not(:focus):not(:active) {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

/* Enhanced Focus Styles */
:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Hero Section */
.hero-section {
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-xl) 0;
  margin-bottom: var(--space-lg);
  border-radius: 0 0 2rem 2rem;
}

/* Feature Icons */
.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  color: var(--primary-color);
  transition: transform 0.3s var(--animation-timing);
}

.card:hover .feature-icon {
  transform: scale(1.2);
}

/* Security Features */
.security-feature {
  padding: var(--space-md);
  border-radius: 12px;
  transition: all 0.3s var(--animation-timing);
  border: 1px solid var(--border-color);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  background-color: var(--card-bg);
}

.security-feature:hover {
  transform: translateX(10px);
  background-color: var(--hover-bg);
  border-color: var(--primary-color);
}

.security-icon {
  font-size: 1.5rem;
  margin-right: var(--space-md);
  color: var(--primary-color) !important;
}

/* Use Cases */
.use-case-item {
  padding: var(--space-md);
  border-radius: 12px;
  transition: all 0.3s var(--animation-timing);
  background-color: var(--card-bg);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  border: 1px solid var(--border-color);
}

.use-case-item i {
  color: #e74c3c;
  margin-right: var(--space-md);
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(231, 76, 60, 0.1);
  border-radius: 50%;
}

.use-case-item h5 {
  color: #2c3e50;
  margin-bottom: 0.25rem;
  font-weight: 600;
}

.use-case-item p {
  color: #555555;
  margin-bottom: 0;
  opacity: 1;
}

/* Enhanced Button Styles */
.btn-primary {
  background: var(--gradient-primary);
  border: none;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.3s var(--animation-timing);
}

.btn-primary:hover::before {
  opacity: 1;
}

/* Card Enhancements */
.card {
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  box-shadow: 0 4px 6px var(--shadow-color);
  transition: all 0.3s var(--animation-timing);
}

.card:hover {
  box-shadow: 0 8px 16px var(--shadow-color);
  transform: translateY(-2px);
  border-color: var(--primary-color);
}

/* Desktop (1440px and up) */
@media (min-width: 1440px) {
  .container {
    max-width: var(--container-max-width-desktop);
  }

  .hero-section {
    padding: var(--space-xl) 0;
  }

  .card-body {
    padding: var(--space-xl);
  }
}

/* Laptop (1200px to 1439px) */
@media (min-width: 1200px) and (max-width: 1439px) {
  .container {
    max-width: var(--container-max-width-laptop);
  }

  .card-body {
    padding: var(--space-lg);
  }
}

/* Tablet (768px to 1199px) */
@media (min-width: 768px) and (max-width: 1199px) {
  .container {
    max-width: var(--container-max-width-tablet);
  }

  .navbar-brand {
    font-size: 1.5rem;
  }

  .card-body {
    padding: var(--space-md);
  }

  .hero-section {
    padding: var(--space-lg) 0;
  }

  .row {
    margin-left: calc(-1 * var(--space-sm));
    margin-right: calc(-1 * var(--space-sm));
  }

  .col,
  [class*="col-"] {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }
}

/* Mobile (up to 767px) */
@media (max-width: 767px) {
  .container {
    max-width: var(--container-max-width-mobile);
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }

  .navbar {
    padding: var(--space-sm) 0;
  }

  .navbar-brand {
    font-size: 1.25rem;
  }

  .card-body {
    padding: var(--space-sm);
  }

  .hero-section {
    padding: var(--space-lg) var(--space-sm);
    border-radius: 0 0 1rem 1rem;
  }

  .hero-section .display-4 {
    font-size: var(--h1-font-size);
    margin-bottom: var(--space-sm);
  }

  .hero-section .lead {
    font-size: var(--base-font-size);
  }

  .feature-icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
  }

  .step-number {
    width: 32px;
    height: 32px;
    min-width: 32px;
    font-size: 0.9rem;
  }

  .security-feature {
    padding: var(--space-sm);
    margin-bottom: var(--space-sm);
    flex-direction: row;
    align-items: center;
  }

  .security-feature:hover {
    transform: translateX(5px);
  }

  .security-icon {
    font-size: 1.25rem;
    margin-right: var(--space-sm);
  }

  .security-feature h5 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
  }

  .security-feature p {
    font-size: var(--small-font-size);
    margin-bottom: 0;
  }

  .use-case-item {
    padding: var(--space-sm);
    margin-bottom: var(--space-xs);
  }

  .use-case-item i {
    font-size: 1.25rem;
  }

  .use-case-item h5 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
  }

  .use-case-item p {
    font-size: var(--small-font-size);
    margin-bottom: 0;
  }

  .card {
    margin-bottom: var(--space-md);
  }

  .card-body {
    padding: var(--space-md);
  }

  .card-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
  }

  .row > [class*="col-"] {
    margin-bottom: var(--space-sm);
  }

  .lead {
    font-size: var(--base-font-size);
    line-height: 1.5;
  }

  .mb-4,
  .my-4 {
    margin-bottom: var(--space-md) !important;
  }

  .mt-4,
  .my-4 {
    margin-top: var(--space-md) !important;
  }

  .p-5 {
    padding: var(--space-md) !important;
  }
}

/* Tablet Adjustments */
@media (min-width: 768px) and (max-width: 991px) {
  .security-feature {
    padding: var(--space-md);
  }

  .use-case-item {
    padding: var(--space-md);
  }

  .card-body {
    padding: var(--space-lg);
  }

  .hero-section {
    padding: var(--space-xl) 0;
  }
}

/* Touch Device Optimizations */
@media (hover: none) {
  .btn:hover,
  .card:hover,
  .nav-link:hover {
    transform: none !important;
  }

  .btn:active,
  .card:active,
  .nav-link:active {
    transform: scale(0.98) !important;
  }
}

/* High DPI Screen Optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .card {
    box-shadow: 0 2px 4px var(--shadow-color);
  }

  .text-rendering {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.visually-hidden:not(:focus):not(:active) {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

/* Enhanced Focus Styles */
:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Hero Section */
.hero-section {
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-xl) 0;
  margin-bottom: var(--space-lg);
  border-radius: 0 0 2rem 2rem;
}

/* Security Feature Hover */
.security-feature:hover {
  background-color: var(--hover-bg);
  border-color: var(--primary-color);
}

/* Social Icons */
.social-icon:hover {
  background-color: var(--primary-color);
  color: var(--background-color);
}

/* Remove dark mode toggle button styles */
#darkModeToggle {
  display: none;
}

/* How It Works Section Styles */
.how-it-works {
  padding: var(--space-lg) 0;
  position: relative;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  position: relative;
  padding: var(--space-md);
  background-color: var(--card-bg);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  transition: all 0.3s var(--animation-timing);
}

.step-item:hover {
  transform: translateX(10px);
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px var(--shadow-color);
}
.step-number {
  background-color: var(--primary-color);
  color: white;
  width: 60px;
  height: 60px;
  min-width: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.5rem;
  box-shadow: 0 4px 8px rgba(231, 76, 60, 0.2);
  transition: all 0.3s ease;
}

.step-number i {
  font-size: 1.5rem;
}

.step-content {
  flex: 1;
}

.step-content h5 {
  color: #2c3e50;
  margin-bottom: 0.5rem;
  font-size: var(--h3-font-size);
  font-weight: 600;
}

.step-content p {
  color: #555555;
  margin-bottom: 0;
  font-size: var(--base-font-size);
  opacity: 1;
}

/* Step Line Connector */
.step-item:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 80px;
  left: 30px;
  width: 2px;
  height: calc(100% + var(--space-md));
  background: linear-gradient(to bottom, var(--primary-color) 60%, transparent);
  z-index: -1;
}

/* Mobile Responsive Styles */
@media (max-width: 767px) {
  .how-it-works {
    padding: var(--space-md) var(--space-sm);
  }

  .step-item {
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    padding: var(--space-md);
  }

  .step-number {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 12px;
  }

  .step-number i {
    font-size: 1.25rem;
  }

  .step-content h5 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
  }

  .step-content p {
    font-size: var(--small-font-size);
    opacity: 0.9;
  }

  .step-item:not(:last-child)::after {
    left: 24px;
    top: 60px;
  }
}

/* Mobile Navigation */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: var(--primary-color);
    padding: 1rem;
    border-radius: 12px;
    margin-top: 1rem;
    box-shadow: 0 4px 12px var(--shadow-color);
  }

  .nav-link {
    color: #ffffff !important;
    padding: 0.75rem 1rem !important;
    margin: 0.25rem 0;
    border-radius: 8px;
    transition: all 0.3s ease;
  }

  .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff !important;
    transform: translateX(5px);
  }

  .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: #ffffff !important;
    font-weight: 600;
  }
}

/* Tablet Responsive Styles */
@media (min-width: 768px) and (max-width: 991px) {
  .how-it-works {
    padding: var(--space-lg) var(--space-md);
  }

  .step-item {
    margin-bottom: var(--space-lg);
  }

  .step-content h5 {
    font-size: 1.25rem;
  }
}

/* FAQ Styles */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-list-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s var(--animation-timing);
}

.faq-list-item:first-child {
  border-top: 1px solid var(--border-color);
}

.faq-list-item h5 {
  color: #960000;
  margin-bottom: 0.75rem;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-list-item h5::after {
  content: "\f107";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  transition: transform 0.3s ease;
  color: var(--text-color);
  opacity: 0.5;
}

.faq-list-item:hover h5::after {
  transform: translateY(2px);
  opacity: 1;
  color: var(--primary-color);
}

.faq-list-item p {
  color: #555555;
  margin-bottom: 0;
  opacity: 1;
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-list-item:hover {
  background-color: var(--hover-bg);
  padding-left: 1rem;
  padding-right: 1rem;
  margin-left: -1rem;
  margin-right: -1rem;
  border-radius: 8px;
}

@media (max-width: 768px) {
  .faq-list-item {
    padding: 1.25rem 0;
  }

  .faq-list-item h5 {
    font-size: 1rem;
  }

  .faq-list-item p {
    font-size: 0.9rem;
  }
}

/* Feature Box Styles */
.feature-box {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  height: 100%;
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  transition: all 0.3s var(--animation-timing);
}

.feature-box:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px var(--shadow-color);
}

.feature-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background-color: var(--hover-bg);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: 1.5rem;
  transition: all 0.3s var(--animation-timing);
}

.feature-box:hover .feature-icon {
  background-color: var(--primary-color);
  color: white;
  transform: scale(1.1);
}

.feature-content {
  flex: 1;
}

.feature-content h5 {
  color: #2c3e50;
  margin-bottom: 0.75rem;
  font-weight: 600;
  font-size: 1.1rem;
}

.feature-content p {
  color: #555555;
  margin-bottom: 0;
  opacity: 1;
  font-size: 0.95rem;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .feature-box {
    padding: 1.5rem;
    gap: 1rem;
  }

  .feature-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    font-size: 1.25rem;
  }

  .feature-content h5 {
    font-size: 1rem;
  }

  .feature-content p {
    font-size: 0.9rem;
  }
}

/* Use Case Box Styles */
.use-case-box {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: all 0.3s var(--animation-timing);
}

.use-case-box:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px var(--shadow-color);
}

.use-case-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background-color: rgba(231, 76, 60, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #e74c3c;
  font-size: 1.5rem;
  transition: all 0.3s var(--animation-timing);
}

.use-case-box:hover .use-case-icon {
  background-color: #e74c3c;
  color: white;
  transform: scale(1.1);
}

.use-case-content {
  flex: 1;
}

.use-case-content h5 {
  color: #2c3e50;
  margin-bottom: 0.75rem;
  font-weight: 600;
  font-size: 1.1rem;
}

.use-case-content p {
  color: #555555;
  margin-bottom: 0;
  opacity: 1;
  font-size: 0.95rem;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .use-case-box {
    padding: 1.5rem;
    gap: 1rem;
  }

  .use-case-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    font-size: 1.25rem;
  }

  .use-case-content h5 {
    font-size: 1rem;
  }

  .use-case-content p {
    font-size: 0.9rem;
  }
}

/* About Page Styles */
.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

.card:hover .feature-icon {
  transform: scale(1.2);
}

.step-number {
  width: 40px;
  height: 40px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  margin-right: 1rem;
}

.security-feature {
  padding: 1rem;
  border-radius: 12px;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
}

.security-feature:hover {
  transform: translateX(10px);
  background-color: var(--hover-bg);
}

.security-icon {
  font-size: 1.5rem;
  margin-right: 1rem;
  color: var(--primary-color);
}

.use-case-item {
  padding: 1rem;
  border-radius: 12px;
  transition: all 0.3s ease;
  background-color: var(--card-bg);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
}

.use-case-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 12px var(--shadow-color);
}

.hero-section {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  color: white;
  padding: 4rem 0;
  margin-bottom: 3rem;
  border-radius: 0 0 2rem 2rem;
}

/* Contact Page Styles */
.hero-section {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  color: white;
  padding: 4rem 0;
  margin-bottom: 3rem;
  border-radius: 0 0 2rem 2rem;
}

.contact-icon {
  font-size: 2rem;
  width: 64px;
  height: 64px;
  background-color: var(--hover-bg);
  color: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.contact-card:hover .contact-icon {
  transform: scale(1.1);
  background-color: var(--primary-color);
  color: white;
}

/* Ensure all Font Awesome icons use theme colors */
.fas,
.fab,
.far,
.fal,
.fa-solid,
.fa-brands,
.fa-regular,
.fa-light {
  color: var(--primary-color) !important;
}

/* Override for specific icon contexts */
.security-icon,
.use-case-icon {
  color: var(--primary-color) !important;
}

/* Step number icons should be white on red background */
.step-number i {
  color: white !important;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(150, 0, 0, 0.3);
}

.back-to-top:hover {
  background: #cc0000;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(150, 0, 0, 0.4);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top i {
  color: white !important;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 1rem;
  }
}

/* Use case icon styling */
.use-case-icon {
  font-size: 1.5rem;
  color: var(--primary-color) !important;
}

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

.form-floating > label {
  color: var(--text-color);
}

.contact-form {
  position: relative;
  z-index: 1;
}

.contact-form::before {
  content: "";
  position: absolute;
  top: -10px;
  right: -10px;
  bottom: -10px;
  left: -10px;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  border-radius: 20px;
  z-index: -1;
  opacity: 0.1;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--hover-bg);
  color: var(--primary-color);
  margin: 0 0.5rem;
  transition: all 0.3s ease;
}

.social-icon:hover {
  transform: translateY(-3px);
  background-color: var(--primary-color);
  color: white;
}

/* Ensure all Font Awesome icons use theme colors */
.fas,
.fab,
.far,
.fal,
.fa-solid,
.fa-brands,
.fa-regular,
.fa-light {
  color: var(--primary-color) !important;
}

/* Override for specific icon contexts */
.security-icon,
.use-case-icon {
  color: var(--primary-color) !important;
}

/* Step number icons should be white on red background */
.step-number i {
  color: white !important;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(150, 0, 0, 0.3);
}

.back-to-top:hover {
  background: #cc0000;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(150, 0, 0, 0.4);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top i {
  color: white !important;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 1rem;
  }
}

/* Use case icon styling */
.use-case-icon {
  font-size: 1.5rem;
  color: var(--primary-color) !important;
}

.contact-form::before {
  content: "";
  position: absolute;
  top: -10px;
  right: -10px;
  bottom: -10px;
  left: -10px;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  border-radius: 20px;
  z-index: -1;
  opacity: 0.1;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--hover-bg);
  color: var(--primary-color);
  margin: 0 0.5rem;
  transition: all 0.3s ease;
}

.social-icon:hover {
  transform: translateY(-3px);
  background-color: var(--primary-color);
  color: white;
}

/* Ensure all Font Awesome icons use theme colors */
.fas,
.fab,
.far,
.fal,
.fa-solid,
.fa-brands,
.fa-regular,
.fa-light {
  color: var(--primary-color) !important;
}

/* Override for specific icon contexts */
.security-icon,
.use-case-icon {
  color: var(--primary-color) !important;
}

/* Step number icons should be white on red background */
.step-number i {
  color: white !important;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(150, 0, 0, 0.3);
}

.back-to-top:hover {
  background: #cc0000;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(150, 0, 0, 0.4);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top i {
  color: white !important;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 1rem;
  }
}

/* Use case icon styling */
.use-case-icon {
  font-size: 1.5rem;
  color: var(--primary-color) !important;
}