/* ============================================
   RESPONSIVE STYLES - Mobile First Approach
   ============================================ */

/* Mobile Navigation Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: #000;
  margin: 5px 0;
  transition: 0.3s;
}

/* Hamburger menu animation */
.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* Mobile menu overlay */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

/* ============================================
   TABLET STYLES (768px and below)
   ============================================ */
@media screen and (max-width: 768px) {
  
  /* Prevent horizontal scrolling */
  html, body {
    overflow-x: hidden;
    max-width: 100vw;
  }
  
  * {
    max-width: 100%;
  }
  
  /* Header Responsive */
  .header {
    padding: 15px 20px;
    flex-wrap: wrap;
    width: 100%;
    box-sizing: border-box;
  }
  
  .logo {
    max-width: 140px;
  }
  
  /* Mobile Navigation */
  .mobile-menu-toggle {
    display: block;
    order: 3;
  }
  
  .header-center {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: #fff;
    flex-direction: column;
    justify-content: flex-start;
    padding: 80px 20px 20px;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 1000;
  }
  
  .header-center.active {
    right: 0;
  }
  
  .header-center .menu {
    flex-direction: column;
    gap: 20px;
    width: 100%;
    margin-bottom: 30px;
  }
  
  .header-center .menu .menu-item {
    width: 100%;
    text-align: center;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
  }
  
  .header-right {
    display: none;
  }
  
  .header-center .button-nav {
    display: none;
  }
  
  .header-center.active .button-nav {
    display: block;
    width: 100%;
    margin-top: 30px;
    padding: 15px 25px;
    background-color: #000;
    color: #fff;
    border: none;
    border-radius: 15px;
    font-size: 16px;
    cursor: pointer;
  }
  
  /* Hero Section */
  .hero {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 0 20px;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .hero-content {
    order: 2;
    align-items: center;
    text-align: center;
  }
  
  .hero-content h1 {
    font-size: 36px;
    line-height: 44px;
  }
  
  .hero-content p {
    font-size: 18px;
    line-height: 26px;
  }
  
  .hero-image {
    order: 1;
  }
  
  .hero-image img,
  .hero-image svg {
    max-width: 100%;
    width: 300px;
  }
  
  .button-hero {
    width: 100%;
    max-width: 300px;
  }
  
  /* Company Logos */
  .company-logo {
    flex-wrap: wrap;
    justify-content: center;
    padding: 20px;
    gap: 15px;
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .company-logo img {
    max-width: 120px;
    height: auto;
  }
  
  /* Content Sections */
  .content-section {
    padding: 0 20px;
    margin: 40px auto;
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .section-title {
    font-size: 32px;
    margin-bottom: 30px;
  }
  
  /* Story Grid */
  .story-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  /* Values Grid */
  .values-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .value-card {
    min-height: auto;
    padding: 25px;
  }
  
  /* Services Grid */
  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .service-card {
    padding: 30px 20px;
  }
  
  .service-title {
    font-size: 24px;
  }
  
  /* Case Studies */
  .case-study {
    padding: 30px 20px;
    border-radius: 25px;
  }
  
  .case-study-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .case-study-stats {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
  
  /* Industries Grid */
  .industries-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  /* Pricing Grid */
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .pricing-card {
    padding: 30px 20px;
  }
  
  /* Blog Grid */
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  /* Featured Article */
  .featured-article {
    padding: 30px 20px;
  }
  
  .featured-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .featured-title {
    font-size: 28px;
  }
  
  /* Newsletter */
  .newsletter-section {
    padding: 30px 20px;
    margin: 40px auto;
  }
  
  .newsletter-form {
    flex-direction: column;
    max-width: 100%;
  }
  
  .newsletter-input {
    margin-bottom: 15px;
  }
  
  /* CTA Sections */
  .cta-section {
    padding: 30px 20px;
    margin: 40px auto;
  }
  
  .cta-section h2 {
    font-size: 28px;
  }
  
  /* FAQ */
  .faq-question {
    padding: 20px;
  }
  
  .faq-question h4 {
    font-size: 18px;
  }
  
  .faq-answer {
    padding: 20px;
  }
}

/* ============================================
   MOBILE STYLES (480px and below)
   ============================================ */
@media screen and (max-width: 480px) {
  
  /* Prevent horizontal scrolling on mobile */
  html, body {
    overflow-x: hidden;
    max-width: 100vw;
  }
  
  * {
    max-width: 100%;
    box-sizing: border-box;
  }
  
  /* Header */
  .header {
    padding: 12px 15px;
    width: 100%;
  }
  
  .logo {
    max-width: 120px;
  }
  
  /* Hero Section */
  .hero {
    padding: 0 15px;
    gap: 20px;
    width: 100%;
    overflow-x: hidden;
  }
  
  .hero-content h1 {
    font-size: 28px;
    line-height: 36px;
  }
  
  .hero-content p {
    font-size: 16px;
    line-height: 24px;
  }
  
  .hero-image img,
  .hero-image svg {
    width: 250px;
  }
  
  /* Company Logos */
  .company-logo {
    padding: 15px;
    width: 100%;
    overflow-x: hidden;
  }
  
  .company-logo img {
    max-width: 100px;
  }
  
  /* Content Sections */
  .content-section {
    padding: 0 15px;
    margin: 30px auto;
    width: 100%;
    overflow-x: hidden;
  }
  
  .section-title {
    font-size: 26px;
    margin-bottom: 25px;
  }
  
  /* Service Cards */
  .service-card {
    padding: 25px 15px;
  }
  
  .service-title {
    font-size: 20px;
  }
  
  .service-description {
    font-size: 16px;
  }
  
  /* Case Studies */
  .case-study {
    padding: 25px 15px;
    border-radius: 20px;
  }
  
  .case-study h3 {
    font-size: 24px;
  }
  
  /* Pricing Cards */
  .pricing-card {
    padding: 25px 15px;
  }
  
  .pricing-title {
    font-size: 24px;
  }
  
  .price-amount {
    font-size: 36px;
  }
  
  /* Blog Cards */
  .blog-image {
    height: 150px;
  }
  
  .blog-content {
    padding: 20px;
  }
  
  .blog-title {
    font-size: 18px;
  }
  
  /* Featured Article */
  .featured-article {
    padding: 25px 15px;
  }
  
  .featured-title {
    font-size: 24px;
  }
  
  /* Newsletter */
  .newsletter-section {
    padding: 25px 15px;
  }
  
  .newsletter-section h2 {
    font-size: 28px;
  }
  
  /* CTA Sections */
  .cta-section {
    padding: 25px 15px;
  }
  
  .cta-section h2 {
    font-size: 24px;
  }
  
  /* FAQ */
  .faq-question {
    padding: 15px;
  }
  
  .faq-question h4 {
    font-size: 16px;
  }
}

/* ============================================
   LARGE MOBILE STYLES (576px and below)
   ============================================ */
@media screen and (max-width: 576px) {
  
  /* Adjust button sizes */
  .button-hero,
  .button-nav,
  .pricing-btn,
  .case-study-btn,
  .featured-btn,
  .newsletter-btn {
    padding: 12px 20px;
    font-size: 16px;
  }
  
  /* Adjust card padding */
  .value-card,
  .industry-card {
    padding: 20px;
    min-height: auto;
  }
  
  /* Adjust icon sizes */
  .value-icon,
  .industry-icon {
    font-size: 36px;
  }
  
  /* Adjust stats display */
  .stat-number {
    font-size: 36px;
  }
  
  /* Adjust article meta */
  .article-meta {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }
  
  /* Adjust blog meta */
  .blog-meta {
    flex-direction: column;
    gap: 5px;
    align-items: flex-start;
  }
}

/* ============================================
   UTILITY CLASSES FOR RESPONSIVE DESIGN
   ============================================ */

/* Hide elements on mobile */
.hide-mobile {
  display: block;
}

@media screen and (max-width: 768px) {
  .hide-mobile {
    display: none !important;
  }
}

/* Show elements only on mobile */
.show-mobile {
  display: none;
}

@media screen and (max-width: 768px) {
  .show-mobile {
    display: block !important;
  }
}

/* Text alignment utilities */
@media screen and (max-width: 768px) {
  .text-center-mobile {
    text-align: center !important;
  }
  
  .text-left-mobile {
    text-align: left !important;
  }
}

/* Spacing utilities for mobile */
@media screen and (max-width: 768px) {
  .mb-mobile-20 {
    margin-bottom: 20px !important;
  }
  
  .mt-mobile-20 {
    margin-top: 20px !important;
  }
  
  .p-mobile-15 {
    padding: 15px !important;
  }
}

/* ============================================
   RESPONSIVE IMAGES AND MEDIA
   ============================================ */
img {
  max-width: 100%;
  height: auto;
}

svg {
  max-width: 100%;
  height: auto;
}

/* Responsive video embeds */
.video-responsive {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
}

.video-responsive iframe,
.video-responsive object,
.video-responsive embed {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ============================================
   TOUCH-FRIENDLY IMPROVEMENTS
   ============================================ */
@media (hover: none) and (pointer: coarse) {
  /* Increase touch targets */
  .header-right .menu .menu-item a,
  .button-nav,
  .button-hero,
  .service-arrow,
  .pricing-btn,
  .case-study-btn,
  .featured-btn,
  .newsletter-btn,
  .faq-question {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  /* Remove hover effects on touch devices */
  .service-card:hover,
  .case-study:hover,
  .pricing-card:hover,
  .blog-card:hover,
  .value-card:hover,
  .industry-card:hover {
    transform: none;
    box-shadow: inherit;
  }
}

/* ============================================
   ACCESSIBILITY IMPROVEMENTS
   ============================================ */

/* Focus styles for keyboard navigation */
.header-right .menu .menu-item a:focus,
.button-nav:focus,
.button-hero:focus,
.service-arrow:focus,
.pricing-btn:focus,
.case-study-btn:focus,
.featured-btn:focus,
.newsletter-btn:focus,
.newsletter-input:focus {
  outline: 2px solid #B9FF66;
  outline-offset: 2px;
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
  .service-card,
  .case-study,
  .pricing-card,
  .blog-card,
  .value-card,
  .industry-card {
    border: 2px solid #000;
  }
}