/* ===================================
   PARKING QR CODE PLATFORM - MODERN CSS
   Mobile-First Responsive Design
   =================================== */

/* ===================================
   CSS VARIABLES & ROOT STYLES
   =================================== */
:root {
  /* Primary Colors - Blue/Green Scheme */
  --primary-color: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --secondary-color: #10b981;
  --secondary-dark: #059669;
  --secondary-light: #34d399;
  
  /* Neutral Colors */
  --dark: #1f2937;
  --dark-light: #374151;
  --gray: #6b7280;
  --gray-light: #9ca3af;
  --light: #f3f4f6;
  --white: #ffffff;
  
  /* Status Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

/* ===================================
   RESET & BASE STYLES
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--dark);
  line-height: 1.6;
  background-color: var(--white);
  overflow-x: hidden;
}

/* ===================================
   TYPOGRAPHY
   =================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
  margin-bottom: var(--spacing-md);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--gray);
  font-size: 1rem;
  line-height: 1.7;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--primary-dark);
}

/* ===================================
   CONTAINER & LAYOUT
   =================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-2xl) 0;
}

.section-light {
  background-color: var(--light);
}

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

/* ===================================
   BUTTONS
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-heading);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--white);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--secondary-dark), var(--secondary-color));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--white);
}

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

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

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

.btn-white:hover {
  background: var(--light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-large {
  padding: 1.125rem 2.25rem;
  font-size: 1.125rem;
}

.btn i {
  font-size: 1.125em;
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 2rem;
}

.navbar-brand {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.brand-logo {
  height: 45px;
  width: auto;
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
  margin: 0;
}

.nav-link {
  color: var(--dark);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-base);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width var(--transition-base);
}

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

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

.navbar-cta {
  display: flex;
  gap: 1rem;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark);
  cursor: pointer;
  padding: 0.5rem;
  transition: color var(--transition-base);
}

.mobile-menu-toggle:hover {
  color: var(--primary-color);
}

.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-menu-overlay.active {
  opacity: 1;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero-section {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%233b82f6' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.4;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: rgba(37, 99, 235, 0.1);
  border: 2px solid rgba(37, 99, 235, 0.2);
  border-radius: 50px;
  color: var(--primary-color);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--spacing-md);
  animation: fadeInDown 0.6s ease-out;
}

.hero-badge i {
  font-size: 1.1em;
}

.hero-title {
  font-size: clamp(2.25rem, 6vw, 3.75rem);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-title .highlight {
  color: var(--primary-color);
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  color: var(--gray);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
  animation: fadeInUp 0.6s ease-out 0.4s both;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 0.6s ease-out 0.6s both;
}

.hero-visual {
  margin-top: var(--spacing-xl);
  animation: fadeInUp 0.6s ease-out 0.8s both;
}

.hero-image {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  margin-top: var(--spacing-xl);
  animation: fadeInUp 0.6s ease-out 1s both;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  font-family: var(--font-heading);
}

.stat-label {
  display: block;
  color: var(--gray);
  font-size: 0.95rem;
  margin-top: 0.5rem;
}

/* ===================================
   HOW IT WORKS SECTION
   =================================== */
.how-it-works-section {
  padding: var(--spacing-2xl) 0;
  background: var(--white);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 50px;
  color: var(--secondary-color);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--spacing-sm);
}

.section-badge i {
  font-size: 1.1em;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--dark);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray);
  max-width: 700px;
  margin: 0 auto;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  margin-top: var(--spacing-xl);
}

.step-card {
  text-align: center;
  padding: 2rem;
  background: var(--white);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  position: relative;
}

.step-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--white);
  border-radius: 50%;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-md);
  position: relative;
}

.step-number::before {
  content: '';
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  border: 2px solid var(--primary-light);
  border-radius: 50%;
  opacity: 0.3;
}

.step-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.1));
  border-radius: 50%;
  font-size: 2.5rem;
  color: var(--primary-color);
}

.step-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: var(--spacing-sm);
}

.step-description {
  color: var(--gray);
  line-height: 1.7;
}

/* ===================================
   FEATURES SECTION
   =================================== */
.features-section {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: var(--spacing-xl);
}

.feature-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}

.feature-icon {
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--radius-lg);
  color: var(--white);
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-md);
}

.feature-card:nth-child(even) .feature-icon {
  background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
}

.feature-title {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: var(--spacing-sm);
}

.feature-description {
  color: var(--gray);
  line-height: 1.7;
}

.feature-highlight {
  display: inline-block;
  background: rgba(16, 185, 129, 0.1);
  color: var(--secondary-color);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-top: var(--spacing-sm);
}

/* ===================================
   PRICING SECTION
   =================================== */
.pricing-section {
  padding: var(--spacing-2xl) 0;
  background: var(--white);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-top: var(--spacing-xl);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.pricing-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--light);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}

.pricing-card.featured {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  border-color: var(--primary-color);
  color: var(--white);
}

.pricing-card.featured * {
  color: var(--white);
}

.pricing-badge {
  position: absolute;
  top: 20px;
  right: -35px;
  background: var(--secondary-color);
  color: var(--white);
  padding: 0.5rem 2.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  transform: rotate(45deg);
  box-shadow: var(--shadow-md);
}

.pricing-plan-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: var(--spacing-sm);
}

.pricing-amount .currency {
  font-size: 1.5rem;
  font-weight: 600;
}

.pricing-amount .price {
  font-size: 3.5rem;
  font-weight: 800;
  font-family: var(--font-heading);
  line-height: 1;
}

.pricing-amount .period {
  font-size: 1rem;
  color: var(--gray);
}

.pricing-card.featured .pricing-amount .period {
  color: rgba(255, 255, 255, 0.8);
}

.pricing-description {
  color: var(--gray);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--light);
}

.pricing-card.featured .pricing-description {
  color: rgba(255, 255, 255, 0.9);
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--dark);
}

.pricing-card.featured .pricing-features li {
  color: var(--white);
}

.pricing-features i {
  color: var(--secondary-color);
  font-size: 1.25rem;
  margin-top: 0.125rem;
  flex-shrink: 0;
}

.pricing-card.featured .pricing-features i {
  color: var(--white);
}

.pricing-cta {
  width: 100%;
}

/* ===================================
   TRUST & SAFETY SECTION
   =================================== */
.trust-section {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: var(--spacing-xl);
}

.trust-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-base);
}

.trust-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.trust-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(52, 211, 153, 0.1));
  border-radius: 50%;
  font-size: 2.5rem;
  color: var(--secondary-color);
}

.trust-title {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: var(--spacing-sm);
}

.trust-description {
  color: var(--gray);
  line-height: 1.7;
}

/* ===================================
   FOOTER SECTION
   =================================== */
.footer-section {
  background: var(--dark);
  color: var(--white);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2.5rem;
  margin-bottom: var(--spacing-xl);
}

.footer-brand h3 {
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.footer-contact-info {
  margin-bottom: var(--spacing-md);
}

.footer-contact-info p {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.75rem;
}

.footer-contact-info i {
  color: var(--primary-light);
  font-size: 1.125rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--white);
  transition: all var(--transition-base);
}

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

.footer-column h4 {
  font-size: 1.125rem;
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: all var(--transition-base);
}

.footer-links a:hover {
  color: var(--primary-light);
  padding-left: 5px;
}

/* Trust Badges in Footer */
.footer-trust-badges {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0 2rem;
  padding: 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-badge:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-3px);
  border-color: var(--primary-light);
}

.trust-badge i {
  font-size: 1.75rem;
  color: var(--primary-light);
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 99, 235, 0.1);
  border-radius: 50%;
}

.badge-content {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.badge-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.2;
}

.badge-subtitle {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.2;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  margin: 0;
}

/* Visitor Stats */
.visitor-stats {
  display: flex;
  gap: 2rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.visitor-counter {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
}

.visitor-counter:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary-light);
}

.visitor-counter i {
  font-size: 1.125rem;
  color: var(--primary-light);
}

.visitor-counter.active i {
  color: var(--secondary-color);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.visitor-counter span {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
}

.visitor-counter .counter-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 400;
  margin-left: 0.25rem;
}

/* ===================================
   SCROLL TO TOP BUTTON
   =================================== */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
  z-index: 999;
}

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

.scroll-to-top:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.scroll-to-top i {
  font-size: 1.25rem;
}

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

/* Tablets */
@media (max-width: 992px) {
  .navbar-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-base);
    z-index: 999;
    align-items: flex-start;
    overflow-y: auto;
  }
  
  .navbar-nav.active {
    right: 0;
  }
  
  .nav-link {
    width: 100%;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--light);
  }
  
  .nav-link::after {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
    z-index: 1001;
  }
  
  .mobile-menu-overlay {
    display: block;
  }
  
  .mobile-menu-overlay.active {
    display: block;
  }
  
  .hero-section {
    padding: 6rem 0 3rem;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  
  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    font-size: 14px;
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-section {
    padding: 5rem 0 2rem;
  }
  
  .steps-grid,
  .features-grid,
  .pricing-grid,
  .trust-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .pricing-card {
    padding: 2rem 1.5rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-trust-badges {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .trust-badge {
    padding: 0.875rem;
  }
  
  .visitor-stats {
    flex-direction: column;
    gap: 1rem;
  }
  
  .visitor-counter {
    width: 100%;
    justify-content: center;
  }
  
  .footer-bottom {
    text-align: center;
  }
  
  .scroll-to-top {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 45px;
    height: 45px;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
  }
  
  .btn-large {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
  }
  
  .hero-badge,
  .section-badge {
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
  }
  
  .step-card,
  .feature-card,
  .trust-card {
    padding: 1.5rem;
  }
  
  .footer-trust-badges {
    grid-template-columns: 1fr;
  }
  
  .trust-badge {
    flex-direction: row;
    text-align: left;
  }
  
  .badge-title {
    font-size: 0.85rem;
  }
  
  .badge-subtitle {
    font-size: 0.75rem;
  }
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }

.mobile-only { display: none; }
.desktop-only { display: block; }

@media (max-width: 992px) {
  .mobile-only { display: block; }
  .desktop-only { display: none; }
}