/* Star Valley Tours - Enhanced CSS */
:root {
  --primary: #2C3E50;
  --secondary: #E74C3C;
  --accent: #3498DB;
  --success: #27AE60;
  --warning: #F39C12;
  --light: #F8F9FA;
  --dark: #2C3E50;
  --white: #FFFFFF;
  --gray-100: #F8F9FA;
  --gray-200: #E9ECEF;
  --gray-300: #DEE2E6;
  --gray-400: #CED4DA;
  --gray-500: #ADB5BD;
  --gray-600: #6C757D;
  --gray-700: #495057;
  --gray-800: #343A40;
  --gray-900: #212529;
  
  /* Typography */
  --font-primary: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-heading: 'Poppins', 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* 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), 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);
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--dark);
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-md);
  color: var(--gray-700);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--secondary);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

/* Header & Navigation */
.header {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-links a {
  color: var(--gray-700);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  background-color: var(--gray-100);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--primary);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.hero-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(44, 62, 80, 0.9) 0%, rgba(52, 152, 219, 0.8) 100%);
  /* z-index: 2; */
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-3xl) var(--spacing-xl);
  text-align: center;
  color: var(--white);
}

.hero-text {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--white);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xl);
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.6;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-features {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-feature i {
  font-size: 1.2rem;
  color: var(--accent);
}

.hero-feature span {
  font-weight: 600;
  font-size: 0.95rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  gap: var(--spacing-sm);
}

.btn i {
  font-size: 1.1rem;
}

/* WhatsApp Button */
.whatsapp-btn {
  background: #25D366;
  color: var(--white);
  border-color: #25D366;
}

.whatsapp-btn:hover {
  background: #128C7E;
  border-color: #128C7E;
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Phone Button */
.phone-btn {
  background: #E74C3C;
  color: var(--white);
  border-color: #E74C3C;
}

.phone-btn:hover {
  background: #C0392B;
  border-color: #C0392B;
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Email Button */
.email-btn {
  background: #3498DB;
  color: var(--white);
  border-color: #3498DB;
}

.email-btn:hover {
  background: #2980B9;
  border-color: #2980B9;
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-primary:hover {
  background: #1A252F;
  border-color: #1A252F;
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
  background: #C0392B;
  border-color: #C0392B;
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

/* Email Button Specific */
.email-btn {
  background: #3498DB !important;
  color: var(--white) !important;
  border-color: #3498DB !important;
}

.email-btn:hover {
  background: #2980B9 !important;
  border-color: #2980B9 !important;
  color: var(--white) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Sections */
.section {
  padding: var(--spacing-3xl) 0;
}

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

.section-alt {
  background: var(--gray-100);
}

.section h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.section h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--secondary);
  border-radius: 2px;
}

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

.feature {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  transition: all 0.3s ease;
}

.feature-icon i {
  font-size: 2rem;
  color: var(--white);
}

.feature:hover .feature-icon {
  background: var(--secondary);
  transform: scale(1.1);
}

.feature h3 {
  color: var(--primary);
  margin-bottom: var(--spacing-md);
}

.feature p {
  color: var(--gray-600);
}

/* Testimonials */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.testimonial {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
}

.testimonial::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: var(--spacing-lg);
  font-size: 4rem;
  color: var(--secondary);
  font-family: serif;
}

.testimonial p {
  font-style: italic;
  margin-bottom: var(--spacing-lg);
  color: var(--gray-700);
}

.testimonial h4 {
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 0;
}

/* New Testimonial Styles */
.testimonial-content {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  text-align: left;
}

.customer-photo {
  flex-shrink: 0;
}

.customer-photo img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
}

.testimonial-text {
  flex: 1;
}

.testimonial-text p {
  font-style: italic;
  margin-bottom: var(--spacing-md);
  color: var(--text);
  line-height: 1.6;
  font-size: 0.95rem;
}

.testimonial-text h4 {
  color: var(--primary);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
}

.rating {
  display: flex;
  gap: 2px;
}

.rating i {
  color: #FFD700;
  font-size: 0.9rem;
}

/* Pricing Table */
.pricing-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--spacing-xl);
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.pricing-table th,
.pricing-table td {
  padding: var(--spacing-lg);
  text-align: center;
  border-bottom: 1px solid var(--gray-200);
}

.pricing-table th {
  background: var(--primary);
  color: var(--white);
  font-weight: 600;
  font-size: 1.1rem;
}

.pricing-table td {
  color: var(--gray-700);
}

.pricing-table tr:hover {
  background: var(--gray-50);
}

.pricing-table .vehicle-name {
  font-weight: 600;
  color: var(--primary);
  text-align: left;
}

/* Tours Grid */
.tour-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.tour-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.tour-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.tour-card-content {
  padding: var(--spacing-xl);
}

.tour-card h3 {
  color: var(--primary);
  margin-bottom: var(--spacing-md);
}

.tour-card p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-lg);
}

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.blog-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-card-content {
  padding: var(--spacing-xl);
}

.blog-card h3 {
  color: var(--primary);
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
}

.blog-card p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-lg);
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
  color: var(--gray-500);
}

/* Blog Article */
.blog-article {
  max-width: 800px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.blog-article-header {
  padding: var(--spacing-2xl);
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: var(--white);
  text-align: center;
}

.blog-article-content {
  padding: var(--spacing-2xl);
}

.blog-article h1 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.blog-article img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin: var(--spacing-xl) 0;
}

.blog-article h2 {
  color: var(--primary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.blog-article h3 {
  color: var(--accent);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.blog-article ul,
.blog-article ol {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-xl);
}

.blog-article li {
  margin-bottom: var(--spacing-sm);
  color: var(--gray-700);
}

/* Contact */
.contact-info {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-xl);
}

.contact-info p {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  font-size: 1.1rem;
}

.contact-info strong {
  color: var(--primary);
  min-width: 100px;
}

/* Footer */
.footer {
  background: var(--dark);
  color: var(--white);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.footer h4 {
  color: var(--white);
  margin-bottom: var(--spacing-lg);
  font-size: 1.25rem;
}

.footer ul {
  list-style: none;
}

.footer li {
  margin-bottom: var(--spacing-sm);
}

.footer a {
  color: var(--gray-300);
  transition: color 0.3s ease;
}

.footer a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid var(--gray-600);
  padding-top: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  text-align: center;
  color: var(--gray-400);
}

/* Enhanced Footer Styles */
.footer {
  background: linear-gradient(135deg, var(--primary) 0%, #1a252f 100%);
  position: relative;
  overflow: hidden;
}

.footer p,
.footer-bottom p {
  color: var(--gray-300);   /* same as your footer links */
  font-weight: 500;         /* match link weight if needed */
}

.footer p a {
  color: var(--gray-300);   /* links inside p also match */
  text-decoration: none;
}

.footer p a:hover {
  color: var(--white);      /* optional: hover effect like other links */
}


.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="footerPattern" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="white" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23footerPattern)"/></svg>');
  opacity: 0.3;
  pointer-events: none;
}

.footer-column {
  position: relative;
  z-index: 2;
}

.footer-column h4 {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-column h4 i {
  color: var(--accent);
  font-size: 1.1rem;
}

.footer-column ul li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-column ul li a {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-column ul li i {
  color: var(--accent);
  font-size: 0.9rem;
  width: 16px;
}

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

.contact-info p {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.contact-info p i {
  color: var(--accent);
  width: 16px;
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.social-link.whatsapp {
  background: #25D366;
  color: white;
}

.social-link.facebook {
  background: #3b5998;
  color: white;
}

.social-link.instagram {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: white;
}

.social-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.availability {
  color: var(--accent);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.availability i {
  color: #4CAF50;
}

.footer-bottom-content p {
  margin-bottom: var(--spacing-sm);
}

.footer-bottom-content p:last-child {
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0;
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  right: var(--spacing-lg);
  bottom: var(--spacing-lg);
  background: #25D366;
  color: var(--white);
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  box-shadow: var(--shadow-xl);
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 20px 40px rgba(37, 211, 102, 0.4);
  color: var(--white);
}

.whatsapp-float i {
  font-size: 24px;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    gap: var(--spacing-md);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .hero {
    min-height: 60vh;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .hero-features {
    gap: var(--spacing-md);
  }
  
  .hero-feature {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .hero-feature span {
    font-size: 0.85rem;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.25rem; }
  
  .feature-grid,
  .testimonial-grid,
  .tour-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-table {
    font-size: 0.9rem;
  }
  
  .pricing-table th,
  .pricing-table td {
    padding: var(--spacing-md);
  }
  
  .whatsapp-float {
    right: var(--spacing-md);
    bottom: var(--spacing-md);
    width: 50px;
    height: 50px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero {
    padding: var(--spacing-2xl) 0;
  }
  
  .hero {
    min-height: 50vh;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero-features {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .testimonial-content {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }
  
  .customer-photo img {
    width: 50px;
    height: 50px;
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .feature,
  .testimonial,
  .tour-card-content,
  .blog-card-content {
    padding: var(--spacing-lg);
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.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); }

.mt-0 { margin-top: 0; }
.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); }

.hidden { display: none; }
.visible { display: block; }

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 1s ease-in-out infinite;
}

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