/*--------------------------------------------------------------
  MOBILE-FIRST MODERN DESIGN
  Travel Smart - Enhanced Mobile Experience
--------------------------------------------------------------*/

/* ==========================================================================
   1. RESET & BASE STYLES (Mobile First)
   ========================================================================== */

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

:root {
  /* Color Palette - Modern & Engaging */
  --primary-color: #2D5D3F;
  --primary-dark: #1A3D2B;
  --primary-light: #3A7550;
  --accent-color: #FF6B35;
  --accent-light: #FF8557;
  --success-color: #28A745;
  --warning-color: #FFC107;
  --dark: #1A1A1A;
  --dark-80: rgba(26, 26, 26, 0.8);
  --dark-60: rgba(26, 26, 26, 0.6);
  --light: #F8F9FA;
  --white: #FFFFFF;
  --text-dark: #2C3E50;
  --text-light: #6C757D;

  /* Typography */
  --font-primary: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Roboto Condensed', sans-serif;
  --font-accent: 'Volkhov', serif;

  /* Spacing (Mobile First - More Compact) */
  --spacing-xs: 0.375rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 2.5rem;

  /* Desktop Spacing (More Generous) */
  --spacing-desktop-xs: 0.5rem;
  --spacing-desktop-sm: 1rem;
  --spacing-desktop-md: 1.5rem;
  --spacing-desktop-lg: 2rem;
  --spacing-desktop-xl: 3rem;
  --spacing-desktop-xxl: 4rem;

  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-base: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.25);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 0.9375rem; /* 15px - slightly smaller on mobile */
  line-height: 1.6;
  color: var(--text-dark);
  background: var(--white);
  overflow-x: hidden;
}

@media (min-width: 768px) {
  body {
    font-size: 1rem; /* 16px on tablet and up */
  }
}

/* ==========================================================================
   2. TYPOGRAPHY (Mobile First)
   ========================================================================== */

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

.dark-headers {
  color: white !important;
}

h1 { font-size: 1.75rem; }   /* 28px on mobile - more compact */
h2 { font-size: 1.5rem; }    /* 24px on mobile */
h3 { font-size: 1.25rem; }   /* 20px on mobile */
h4 { font-size: 1.125rem; }  /* 18px on mobile */
h5 { font-size: 1rem; }      /* 16px on mobile */
h6 { font-size: 0.9375rem; } /* 15px on mobile */

/* Tablet breakpoint */
@media (min-width: 768px) {
  h1 { font-size: 3rem; }      /* 48px */
  h2 { font-size: 2.5rem; }    /* 40px */
  h3 { font-size: 2rem; }      /* 32px */
  h4 { font-size: 1.5rem; }    /* 24px */
  h5 { font-size: 1.25rem; }   /* 20px */
}

/* Desktop breakpoint */
@media (min-width: 1200px) {
  h1 { font-size: 3.5rem; }    /* 56px */
  h2 { font-size: 3rem; }      /* 48px */
  h3 { font-size: 2.25rem; }   /* 36px */
}

p {
  margin-bottom: var(--spacing-md);
  font-size: 0.9375rem; /* 15px on mobile */
  line-height: 1.65;
}

@media (min-width: 768px) {
  p {
    font-size: 1rem;
    line-height: 1.7;
  }
}

.lead {
  font-size: 1rem; /* More compact on mobile */
  font-weight: 300;
  line-height: 1.7;
}

@media (min-width: 768px) {
  .lead {
    font-size: 1.25rem;
    line-height: 1.8;
  }
}

.text-accent {
  font-family: var(--font-accent);
  font-style: italic;
}

/* ==========================================================================
   3. MODERN NAVIGATION (Mobile First)
   ========================================================================== */

.navbar-custom {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  padding: var(--spacing-sm) 0;
  transition: all var(--transition-base);
}

.navbar-custom.scrolled {
  background: var(--dark-80);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xs) 0;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white) !important;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition-fast);
}

.navbar-brand:hover {
  color: var(--accent-color) !important;
  transform: scale(1.05);
}

/* Mobile Menu */
.navbar-toggle {
  border: 2px solid var(--white);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  background: transparent;
  transition: var(--transition-fast);
}

.navbar-toggle:hover,
.navbar-toggle:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-color);
}

.navbar-toggle .icon-bar {
  background: var(--white);
  height: 3px;
  border-radius: 2px;
  transition: var(--transition-fast);
}

.navbar-toggle:hover .icon-bar {
  background: var(--accent-color);
}

/* Mobile Navigation Links */
.navbar-nav {
  margin-top: var(--spacing-md);
}

.navbar-nav > li > a {
  color: var(--white) !important;
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-md) !important;
  transition: all var(--transition-fast);
  position: relative;
  font-size: 1rem;
}

.navbar-nav > li > a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: all var(--transition-fast);
  transform: translateX(-50%);
}

.navbar-nav > li > a:hover::after,
.navbar-nav > li > a:focus::after {
  width: 80%;
}

.navbar-nav > li > a:hover,
.navbar-nav > li > a:focus {
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent-color) !important;
}

/* CTA Button in Nav */
.navbar-nav .btn-nav-cta {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-light)) !important;
  color: var(--white) !important;
  border-radius: var(--radius-full) !important;
  padding: 10px 24px !important;
  font-weight: 700;
  margin: var(--spacing-sm) 0;
  box-shadow: var(--shadow-md);
  border: none !important;
}

.navbar-nav .btn-nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--accent-light), var(--accent-color)) !important;
}

@media (min-width: 768px) {
  .navbar-nav {
    margin-top: 0;
  }

  .navbar-nav .btn-nav-cta {
    margin: 0 0 0 var(--spacing-md);
  }
}

/* ==========================================================================
   4. HERO SECTION (Mobile First - Engaging)
   ========================================================================== */

.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-attachment: scroll;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero-section {
    background-attachment: fixed;
  }
}

/* Modern Gradient Overlay */
.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(45, 93, 63, 0.85) 0%,
    rgba(26, 61, 43, 0.75) 50%,
    rgba(255, 107, 53, 0.6) 100%
  );
  z-index: 1;
}

/* Animated Background Pattern */
.hero-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 107, 53, 0.15) 0%, transparent 50%);
  z-index: 2;
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-sm); /* More compact on mobile */
  max-width: 100%;
}

@media (min-width: 768px) {
  .hero-content {
    padding: var(--spacing-desktop-xxl) var(--spacing-desktop-lg);
    max-width: 800px;
    margin: 0 auto;
  }
}

.hero-title {
  font-size: 1.875rem; /* More compact on mobile */
  font-weight: 900;
  color: var(--white);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 0.8s ease-out;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
  }
}

@media (min-width: 1200px) {
  .hero-title {
    font-size: 4.5rem;
  }
}

.hero-subtitle {
  font-size: 1rem; /* More compact on mobile */
  color: var(--white);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
  font-weight: 400;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
  }
}

@media (min-width: 1200px) {
  .hero-subtitle {
    font-size: 1.5rem;
    line-height: 1.8;
  }
}

.hero-highlight {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85));
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  display: inline-block;
  color: var(--text-dark);
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  animation: fadeInUp 1.2s ease-out 0.4s backwards;
}

/* ==========================================================================
   5. BUTTONS (Mobile First - Engaging)
   ========================================================================== */

.btn {
  display: inline-block;
  padding: 12px 24px; /* More compact on mobile */
  font-size: 0.875rem; /* Smaller text on mobile */
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

@media (min-width: 768px) {
  .btn {
    padding: 14px 32px;
    font-size: 1rem;
  }
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
  color: var(--white);
}

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

.btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  border: 3px solid var(--white);
  color: var(--white);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: 14px 32px; /* More compact on mobile */
  font-size: 1rem;
}

@media (min-width: 768px) {
  .btn-lg {
    padding: 18px 48px;
    font-size: 1.125rem;
  }
}

@media (min-width: 1200px) {
  .btn-lg {
    padding: 20px 56px;
    font-size: 1.25rem;
  }
}

/* ==========================================================================
   6. SECTIONS (Mobile First)
   ========================================================================== */

.section {
  padding: var(--spacing-xl) var(--spacing-sm); /* More compact on mobile */
  position: relative;
}

@media (min-width: 768px) {
  .section {
    padding: var(--spacing-desktop-xxl) var(--spacing-desktop-md);
  }
}

@media (min-width: 1200px) {
  .section {
    padding: 5rem var(--spacing-desktop-xl);
  }
}

.section-sm {
  padding: var(--spacing-lg) var(--spacing-sm); /* More compact on mobile */
}

@media (min-width: 768px) {
  .section-sm {
    padding: var(--spacing-desktop-xl) var(--spacing-desktop-md);
  }
}

.section-title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
  padding-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.5rem;
  }
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
  border-radius: 2px;
}

/* Background Variants */
.bg-light {
  background: var(--light);
}

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

.bg-dark .section-title {
  color: var(--white);
}

.bg-gradient-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--white);
}

.bg-gradient-accent {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
  color: var(--white);
}

/* ==========================================================================
   7. CARDS & CONTENT BLOCKS (Mobile First - Engaging)
   ========================================================================== */

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
  .card-image {
    height: 250px;
  }
}

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

.card-text {
  color: var(--text-light);
  line-height: 1.7;
}

/* Feature Cards */
.feature-card {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-lg);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.feature-icon {
  font-size: 3rem;
  color: var(--accent-color);
  margin-bottom: var(--spacing-md);
  display: inline-block;
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
  transform: scale(1.2) rotate(5deg);
  color: var(--primary-color);
}

/* ==========================================================================
   8. TESTIMONIALS (Mobile First - Engaging)
   ========================================================================== */

.testimonial-card {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  position: relative;
  margin: var(--spacing-lg) 0;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 20px;
  font-size: 6rem;
  color: var(--accent-color);
  opacity: 0.2;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.testimonial-author {
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.testimonial-location {
  color: var(--text-light);
  font-size: 0.875rem;
}

/* ==========================================================================
   9. CALL-TO-ACTION SECTIONS (Mobile First - High Engagement)
   ========================================================================== */

.cta-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  color: var(--white);
  padding: var(--spacing-xxl) var(--spacing-md);
  text-align: center;
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .cta-section {
    padding: 5rem var(--spacing-lg);
  }
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.cta-title {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  color: var(--white);
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .cta-title {
    font-size: 3rem;
  }
}

.cta-text {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .cta-text {
    font-size: 1.5rem;
  }
}

.cta-button-group {
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   10. SPLIT CONTENT SECTIONS (Mobile First)
   ========================================================================== */

.split-section {
  display: flex;
  flex-direction: column;
  min-height: auto;
}

@media (min-width: 768px) {
  .split-section {
    flex-direction: row;
    min-height: 600px;
  }
}

.split-content {
  padding: var(--spacing-lg) var(--spacing-sm); /* More compact on mobile */
  display: flex;
  align-items: center;
  flex: 1;
}

@media (min-width: 768px) {
  .split-content {
    padding: var(--spacing-desktop-xxl) var(--spacing-desktop-md);
  }
}

@media (min-width: 1200px) {
  .split-content {
    padding: var(--spacing-desktop-xxl) var(--spacing-desktop-xl);
  }
}

.split-image {
  height: 300px;
  background-size: cover;
  background-position: center;
  flex: 1;
}

@media (min-width: 768px) {
  .split-image {
    height: auto;
  }
}

/* ==========================================================================
   11. ANIMATIONS & INTERACTIONS
   ========================================================================== */

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

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Scroll animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   12. UTILITY CLASSES (Mobile First)
   ========================================================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: var(--spacing-sm); }
.pt-2 { padding-top: var(--spacing-md); }
.pt-3 { padding-top: var(--spacing-lg); }
.pt-4 { padding-top: var(--spacing-xl); }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: var(--spacing-sm); }
.pb-2 { padding-bottom: var(--spacing-md); }
.pb-3 { padding-bottom: var(--spacing-lg); }
.pb-4 { padding-bottom: var(--spacing-xl); }

.container-mobile {
  padding: 0 var(--spacing-sm); /* More compact on mobile */
  max-width: 100%;
}

@media (min-width: 768px) {
  .container-mobile {
    padding: 0 var(--spacing-desktop-md);
    max-width: 1200px;
    margin: 0 auto;
  }
}

@media (min-width: 1200px) {
  .container-mobile {
    padding: 0 var(--spacing-desktop-lg);
  }
}

/* ==========================================================================
   13. MOBILE-SPECIFIC ENHANCEMENTS
   ========================================================================== */

/* Touch-friendly tap targets */
@media (max-width: 767px) {
  a, button, .btn {
    min-height: 44px;
    min-width: 44px;
  }

  .navbar-nav > li > a {
    padding: 16px 20px !important;
  }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ==========================================================================
   14. SCROLL-TO-TOP BUTTON (Mobile Optimized)
   ========================================================================== */

.scroll-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
  z-index: 999;
}

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

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

@media (min-width: 768px) {
  .scroll-top {
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
  }
}

/* ==========================================================================
   15. FOOTER (Mobile First)
   ========================================================================== */

.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
}

@media (min-width: 768px) {
  .footer {
    padding: var(--spacing-xxl) var(--spacing-lg);
    text-align: left;
  }
}

.footer a {
  color: var(--white);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

/* ==========================================================================
   16. LOADING ANIMATIONS
   ========================================================================== */

.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s, visibility 0.5s;
}

.page-loader.loaded {
  opacity: 0;
  visibility: hidden;
}

.loader {
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
  animation: pulse 1.5s ease-in-out infinite;
}

/* ==========================================================================
   17. HIGHLIGHT BOXES (Mobile First)
   ========================================================================== */

.highlight-box {
  background: linear-gradient(135deg, rgba(255, 243, 205, 0.9), rgba(255, 235, 180, 0.9));
  border-left: 5px solid var(--accent-color);
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .highlight-box {
    padding: var(--spacing-lg);
  }
}

.highlight-box-dark {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin: var(--spacing-lg) 0;
}

@media (min-width: 768px) {
  .highlight-box-dark {
    padding: var(--spacing-xl);
  }
}

/* ==========================================================================
   18. STATS & COUNTERS
   ========================================================================== */

.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.stat-number {
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent-color);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: 1rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}