/* =================================================================
   FORTUNIX LOGISTICS - VIBRANT MARKETING WEBSITE STYLES
   A modern, energetic design for Lagos' premier dispatch company
   ================================================================= */

/* CSS VARIABLES - Color Palette & Design Tokens */
:root {
  /* Brand Colors */
  --color-primary: #0052CC;           /* Deep trustworthy blue */
  --color-primary-dark: #003D99;      /* Darker blue for hover */
  --color-primary-light: #4C9AFF;     /* Lighter blue for accents */
  
  --color-accent: #FF8B00;            /* Vibrant orange - energy & speed */
  --color-accent-dark: #E67E00;       /* Darker orange for hover */
  --color-accent-light: #FFB84D;      /* Lighter orange for highlights */
  
  --color-success: #00C853;           /* Bright green - delivery success */
  --color-warning: #FFC400;           /* Yellow - attention */
  --color-danger: #FF5252;            /* Red - urgent */
  
  /* Neutral Colors */
  --color-text-primary: #1A1A1A;      /* Almost black for headings */
  --color-text-secondary: #4A5568;    /* Gray for body text */
  --color-text-muted: #718096;        /* Light gray for subtle text */
  
  --color-bg-white: #FFFFFF;
  --color-bg-light: #F7FAFC;          /* Light background */
  --color-bg-blue: #E6F2FF;           /* Light blue tint */
  
  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #0052CC 0%, #4C9AFF 50%, #E6F2FF 100%);
  --gradient-primary: linear-gradient(135deg, #0052CC, #003D99);
  --gradient-accent: linear-gradient(135deg, #FF8B00, #E67E00);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 82, 204, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 82, 204, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 82, 204, 0.16);
  --shadow-xl: 0 12px 48px rgba(0, 82, 204, 0.20);
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-full: 9999px;
  
  /* Typography */
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-heading: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 75px; /* Account for compact sticky navbar on mobile & desktop */
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-white);
  color: var(--color-text-secondary);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-primary);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-sm);
}

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
}

.lead {
  font-size: 1.25rem;
  line-height: 1.6;
}

@media (min-width: 768px) {
  h1 {
    font-size: 3.5rem;
  }
  h2 {
    font-size: 2.5rem;
  }
  h3 {
    font-size: 1.75rem;
  }
}

/* NAVBAR - COMPACT STICKY DESIGN */
.navbar {
  transition: all 0.3s ease;
  background-color: var(--color-bg-white) !important;
  border-bottom: 2px solid transparent;
  padding: 0.5rem 0;
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--color-bg-light);
}

.navbar-brand {
  font-weight: 700;
  color: var(--color-primary) !important;
  transition: transform 0.2s ease;
  gap: 0.5rem !important;
}

.navbar-brand:hover {
  transform: scale(1.02);
}

.fortunix-logo-wrap,
.fortunix-logo-wrap-new {
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-md);
  background: var(--color-bg-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.fortunix-logo-wrap:hover,
.fortunix-logo-wrap-new:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.fortunix-logo-svg {
  display: block;
}

.navbar-tagline {
  font-size: 0.75rem;
  margin-left: 0.25rem;
}

.nav-link {
  color: var(--color-text-secondary) !important;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.4rem 0.75rem !important;
  margin: 0 0.15rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--color-primary) !important;
  background-color: var(--color-bg-blue);
}

.nav-link.active {
  color: var(--color-primary) !important;
  background-color: var(--color-bg-blue);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
}

.navbar-toggler {
  padding: 0.25rem 0.5rem;
  font-size: 1rem;
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* BUTTONS - VIBRANT & INTERACTIVE */
.btn {
  font-weight: 600;
  padding: 0.75rem 2rem;
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
  border: none;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

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

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

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

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

.btn-outline-success {
  border: 2px solid var(--color-success);
  color: var(--color-success);
  background: transparent;
}

.btn-outline-success:hover {
  background-color: var(--color-success);
  color: var(--color-bg-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 0.5rem 1.5rem;
  font-size: 0.875rem;
}

/* HERO SECTION - BOLD & VIBRANT */
.hero-section {
  background: var(--gradient-hero);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(255, 139, 0, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-section .badge {
  background-color: var(--color-accent);
  color: var(--color-bg-white);
  padding: 0.5rem 1.5rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
}

.hero-section h1 {
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.hero-section .lead {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

/* HERO IMAGE - BLENDED & DYNAMIC DESIGN */
.hero-image-wrapper {
  position: relative;
  height: 600px;
  overflow: visible;
}

.hero-image-container {
  position: relative;
  width: 100%;
  height: 100%;
  animation: floatHero 6s ease-in-out infinite;
}

@keyframes floatHero {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

.hero-main-img {
  width: 110%;
  height: auto;
  object-fit: contain;
  display: block;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 30px 80px rgba(0, 82, 204, 0.25));
  mask-image: radial-gradient(ellipse 90% 100% at 50% 50%, black 60%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 100% at 50% 50%, black 60%, transparent 100%);
}

/* Gradient blend overlay - makes image fade into background */
.hero-gradient-blend {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(76, 154, 255, 0.3) 80%, rgba(76, 154, 255, 0.6) 100%);
  pointer-events: none;
  z-index: 3;
}

/* Decorative geometric shapes for character */
.hero-shape {
  position: absolute;
  pointer-events: none;
  z-index: 1;
}

.hero-circle-1 {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 139, 0, 0.15) 0%, transparent 70%);
  top: -50px;
  right: -80px;
  animation: pulse 4s ease-in-out infinite;
}

.hero-circle-2 {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(76, 154, 255, 0.2) 0%, transparent 70%);
  bottom: 50px;
  left: -50px;
  animation: pulse 5s ease-in-out infinite 1s;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.6;
  }
  50% {
    transform: scale(1.1);
    opacity: 1;
  }
}

/* Speed lines for motion effect */
.hero-line-1,
.hero-line-2,
.hero-line-3 {
  height: 4px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 139, 0, 0.6) 50%, transparent 100%);
  border-radius: 2px;
  animation: speedLine 3s ease-in-out infinite;
}

.hero-line-1 {
  width: 150px;
  top: 20%;
  right: 10%;
  animation-delay: 0s;
}

.hero-line-2 {
  width: 100px;
  top: 40%;
  right: 5%;
  animation-delay: 0.5s;
}

.hero-line-3 {
  width: 120px;
  top: 60%;
  right: 15%;
  animation-delay: 1s;
}

@keyframes speedLine {
  0%, 100% {
    transform: translateX(0) scaleX(1);
    opacity: 0;
  }
  50% {
    transform: translateX(-30px) scaleX(1.2);
    opacity: 0.8;
  }
}

/* Floating stat badges */
.hero-floating-badge {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 40px rgba(0, 82, 204, 0.15);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 5;
  border: 2px solid rgba(76, 154, 255, 0.2);
  transition: all 0.3s ease;
}

.hero-floating-badge:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 15px 50px rgba(0, 82, 204, 0.25);
  border-color: var(--color-primary-light);
}

.badge-1 {
  top: 15%;
  left: -30px;
  animation: floatBadge 4s ease-in-out infinite;
}

.badge-2 {
  bottom: 20%;
  right: -40px;
  animation: floatBadge 4s ease-in-out infinite 2s;
}

@keyframes floatBadge {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-10px) rotate(2deg);
  }
}

.hero-floating-badge .badge-icon {
  font-size: 2rem;
  line-height: 1;
}

.hero-floating-badge .badge-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.hero-floating-badge .badge-text strong {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.hero-floating-badge .badge-text span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-feature-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}

.hero-feature-badge i {
  font-size: 1.125rem;
}

/* SECTION HEADERS */
.section-header {
  margin-bottom: var(--space-lg);
  text-align: center;
}

.section-header h2 {
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 700px;
  margin: 1rem auto 0;
}

/* BENEFITS / WHY CHOOSE CARDS */
.benefit-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  height: 100%;
  border: 2px solid transparent;
}

.benefit-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.benefit-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  color: var(--color-bg-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-md);
}

.benefit-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.benefit-card p {
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* SERVICE AREAS */
.area-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 2px solid var(--color-bg-light);
  height: 100%;
}

.area-card:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.area-icon {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
  display: block;
}

.area-card h4 {
  font-size: 1.25rem;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.area-card .coverage-list {
  list-style: none;
  padding: 0;
  margin: var(--space-sm) 0 0;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.area-card .coverage-list li {
  padding: 0.25rem 0;
}

/* WHO WE SERVE / BUSINESS CLIENTS */
.client-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  height: 100%;
  border-left: 4px solid transparent;
}

.client-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-left-color: var(--color-accent);
}

.client-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

/* HOW IT WORKS - STEP CARDS */
.step-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  height: 100%;
  border-top: 4px solid var(--color-primary);
  transition: all 0.3s ease;
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-top-color: var(--color-accent);
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: var(--color-bg-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-md);
}

.step-card h3 {
  font-size: 1.25rem;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

/* TESTIMONIALS */
.testimonial-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--color-accent);
  transition: all 0.3s ease;
}

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

.avatar-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: var(--color-bg-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.testimonial-text {
  font-style: italic;
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

.rating-stars {
  color: var(--color-accent);
  font-size: 1.125rem;
}

/* FAQ SECTION */
.faq-item {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border: 2px solid var(--color-bg-light);
  transition: all 0.2s ease;
}

.faq-item:hover {
  border-color: var(--color-primary-light);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: var(--color-bg-white);
  border: none;
  padding: var(--space-md);
  font-weight: 600;
  color: var(--color-text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  transition: all 0.2s ease;
}

.faq-question:hover {
  background-color: var(--color-bg-light);
}

.faq-question i {
  transition: transform 0.3s ease;
  color: var(--color-primary);
  font-size: 1.25rem;
}

.faq-question.active i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 var(--space-md);
  color: var(--color-text-secondary);
}

.faq-answer.show {
  max-height: 500px;
  padding: var(--space-md);
  border-top: 1px solid var(--color-bg-light);
}

/* BOOKING FORM */
.booking-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: none;
  overflow: hidden;
}

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

#bookingForm .form-label {
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

#bookingForm .form-control,
#bookingForm .form-select {
  border-radius: var(--radius-sm);
  border: 2px solid #E2E8F0;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: all 0.2s ease;
}

#bookingForm .form-control:focus,
#bookingForm .form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.1);
  outline: none;
}

#bookingForm .form-control.is-invalid {
  border-color: var(--color-danger);
}

#bookingForm button[type="submit"] {
  background: var(--gradient-primary);
  border: none;
  padding: 1rem;
  font-size: 1.125rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
}

#bookingForm button[type="submit"]:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

#bookingForm button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* ALERTS */
.alert {
  border-radius: var(--radius-md);
  border: none;
  padding: var(--space-md);
  font-weight: 500;
}

.alert-success {
  background-color: rgba(0, 200, 83, 0.1);
  color: #00802B;
  border-left: 4px solid var(--color-success);
}

.alert-danger {
  background-color: rgba(255, 82, 82, 0.1);
  color: #CC0000;
  border-left: 4px solid var(--color-danger);
}

/* FOOTER */
footer {
  background: linear-gradient(135deg, #1A1A1A 0%, #2D3748 100%);
  color: #CBD5E0;
  padding: var(--space-xl) 0 var(--space-lg);
}

footer h4 {
  color: var(--color-bg-white);
  font-size: 1.125rem;
  margin-bottom: var(--space-md);
}

footer a {
  color: #CBD5E0;
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

footer a:hover {
  color: var(--color-accent-light);
  transform: translateX(3px);
}

footer .social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all 0.3s ease;
}

footer .social-link:hover {
  background-color: var(--color-accent);
  color: var(--color-bg-white);
  transform: translateY(-3px);
}

.footer-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  margin: var(--space-lg) 0;
}

/* UTILITY CLASSES */
.hover-lift {
  transition: all 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.bg-gradient-primary {
  background: var(--gradient-primary);
}

.bg-gradient-accent {
  background: var(--gradient-accent);
}

.text-primary-custom {
  color: var(--color-primary) !important;
}

.text-accent {
  color: var(--color-accent) !important;
}

/* RESPONSIVE ADJUSTMENTS */
@media (max-width: 991px) {
  .hero-section {
    padding: 3rem 0;
  }
  
  h1 {
    font-size: 2.25rem;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
}

@media (max-width: 767px) {
  h1 {
    font-size: 1.875rem;
  }
  
  h2 {
    font-size: 1.625rem;
  }
  
  .btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1rem;
  }
  
  .hero-section {
    padding: 2rem 0;
  }
  
  :root {
    --space-xl: 2.5rem;
    --space-lg: 2rem;
  }
}

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

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

/* SCROLL TO TOP BUTTON */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--gradient-accent);
  color: var(--color-bg-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
}

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

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