/**
 * Enhanced Mobile UX Improvements
 * Advanced mobile-first responsive design with polished interactions
 */

/* ===== MOBILE-FIRST ENHANCED FOUNDATION ===== */
:root {
  /* Enhanced mobile touch targets */
  --mobile-touch-min: 44px;
  --mobile-touch-comfortable: 48px;
  --mobile-touch-large: 56px;
  
  /* Mobile-optimized spacing system */
  --mobile-space-xs: 0.5rem;   /* 8px */
  --mobile-space-sm: 0.75rem;  /* 12px */
  --mobile-space-md: 1rem;     /* 16px */
  --mobile-space-lg: 1.5rem;   /* 24px */
  --mobile-space-xl: 2rem;     /* 32px */
  --mobile-space-2xl: 3rem;    /* 48px */
  
  /* Mobile typography scale (optimized readability) */
  --mobile-text-xs: 0.75rem;   /* 12px */
  --mobile-text-sm: 0.875rem;  /* 14px */
  --mobile-text-base: 1rem;    /* 16px - iOS won't zoom */
  --mobile-text-lg: 1.125rem;  /* 18px */
  --mobile-text-xl: 1.25rem;   /* 20px */
  --mobile-text-2xl: 1.5rem;   /* 24px */
  --mobile-text-3xl: 1.875rem; /* 30px */
  --mobile-text-4xl: 2.25rem;  /* 36px */
  --mobile-text-5xl: 3rem;     /* 48px */
  
  /* Mobile-optimized shadows */
  --mobile-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --mobile-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --mobile-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --mobile-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  /* Enhanced animation timing for mobile */
  --mobile-transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --mobile-transition-base: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --mobile-transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== ENHANCED MOBILE NAVIGATION ===== */
@media (max-width: 768px) {
  /* Mobile header optimization */
  .navbar,
  .lp-header {
    height: 60px !important;
    backdrop-filter: blur(12px) saturate(180%) !important;
    background: rgba(255, 255, 255, 0.85) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05) !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 1000 !important;
  }

  /* Logo optimization for mobile */
  .navbar .logo img,
  .lp-header__logo-img {
    height: 36px !important;
    width: auto !important;
    max-width: 150px !important;
    object-fit: contain !important;
  }

  /* Mobile navigation menu enhancement */
  .nav-menu,
  .lp-header__nav-menu {
    position: fixed !important;
    top: 60px !important;
    left: 0 !important;
    right: 0 !important;
    background: white !important;
    box-shadow: var(--mobile-shadow-lg) !important;
    border-top: 1px solid rgba(0, 0, 0, 0.05) !important;
    padding: var(--mobile-space-lg) 0 !important;
    transform: translateY(-100vh) !important;
    transition: transform var(--mobile-transition-base) !important;
    opacity: 0 !important;
    visibility: hidden !important;
  }

  .nav-menu.active,
  .lp-header__nav-menu.active {
    transform: translateY(0) !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  /* Mobile menu items */
  .nav-menu li,
  .lp-header__nav-menu li {
    width: 100% !important;
    margin: 0 !important;
  }

  .nav-menu a,
  .lp-header__nav-link {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: var(--mobile-space-md) var(--mobile-space-lg) !important;
    min-height: var(--mobile-touch-comfortable) !important;
    font-size: var(--mobile-text-base) !important;
    font-weight: 500 !important;
    color: var(--text-color) !important;
    text-decoration: none !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05) !important;
    transition: all var(--mobile-transition-fast) !important;
  }

  .nav-menu a:hover,
  .lp-header__nav-link:hover,
  .nav-menu a:focus,
  .lp-header__nav-link:focus {
    background: rgba(106, 17, 203, 0.05) !important;
    color: var(--primary-color) !important;
    padding-left: var(--mobile-space-xl) !important;
  }

  /* Mobile hamburger menu enhancement */
  .mobile-menu-toggle,
  .lp-header__mobile-toggle {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: var(--mobile-touch-comfortable) !important;
    height: var(--mobile-touch-comfortable) !important;
    border: none !important;
    background: transparent !important;
    cursor: pointer !important;
    position: relative !important;
    z-index: 1001 !important;
  }

  /* Enhanced hamburger icon */
  .hamburger-icon,
  .lp-header__hamburger {
    width: 24px !important;
    height: 24px !important;
    position: relative !important;
    transform: rotate(0deg) !important;
    transition: var(--mobile-transition-base) !important;
  }

  .hamburger-icon span,
  .lp-header__hamburger span {
    display: block !important;
    position: absolute !important;
    height: 3px !important;
    width: 100% !important;
    background: var(--text-color) !important;
    border-radius: 3px !important;
    opacity: 1 !important;
    left: 0 !important;
    transform: rotate(0deg) !important;
    transition: var(--mobile-transition-fast) !important;
  }

  .hamburger-icon span:nth-child(1),
  .lp-header__hamburger span:nth-child(1) {
    top: 0 !important;
  }

  .hamburger-icon span:nth-child(2),
  .lp-header__hamburger span:nth-child(2) {
    top: 10px !important;
  }

  .hamburger-icon span:nth-child(3),
  .lp-header__hamburger span:nth-child(3) {
    top: 20px !important;
  }

  /* Active hamburger state */
  .hamburger-icon.active span:nth-child(1),
  .lp-header__hamburger.active span:nth-child(1) {
    top: 10px !important;
    transform: rotate(135deg) !important;
  }

  .hamburger-icon.active span:nth-child(2),
  .lp-header__hamburger.active span:nth-child(2) {
    opacity: 0 !important;
    left: -60px !important;
  }

  .hamburger-icon.active span:nth-child(3),
  .lp-header__hamburger.active span:nth-child(3) {
    top: 10px !important;
    transform: rotate(-135deg) !important;
  }
}

/* ===== ENHANCED MOBILE HERO SECTION ===== */
@media (max-width: 768px) {
  .hero {
    min-height: calc(100vh - 60px) !important;
    padding-top: calc(60px + var(--mobile-space-2xl)) !important;
    padding-bottom: var(--mobile-space-2xl) !important;
    text-align: center !important;
  }

  .hero-content {
    max-width: 100% !important;
    padding: 0 var(--mobile-space-lg) !important;
  }

  .hero h1 {
    font-size: var(--mobile-text-4xl) !important;
    line-height: 1.2 !important;
    margin-bottom: var(--mobile-space-lg) !important;
    font-weight: 700 !important;
  }

  .hero .subtitle {
    font-size: var(--mobile-text-lg) !important;
    line-height: 1.5 !important;
    margin-bottom: var(--mobile-space-xl) !important;
    color: rgba(255, 255, 255, 0.9) !important;
  }

  .hero .cta-buttons {
    display: flex !important;
    flex-direction: column !important;
    gap: var(--mobile-space-md) !important;
    align-items: center !important;
    max-width: 300px !important;
    margin: 0 auto !important;
  }
}

/* ===== ENHANCED MOBILE SECTIONS ===== */
@media (max-width: 768px) {
  /* Section spacing optimization */
  .section {
    padding: var(--mobile-space-2xl) var(--mobile-space-lg) !important;
  }

  .section-content {
    max-width: 100% !important;
    margin: 0 auto !important;
  }

  /* Section headings */
  .section h2 {
    font-size: var(--mobile-text-3xl) !important;
    line-height: 1.25 !important;
    margin-bottom: var(--mobile-space-lg) !important;
    text-align: center !important;
  }

  .section h3 {
    font-size: var(--mobile-text-xl) !important;
    line-height: 1.3 !important;
    margin-bottom: var(--mobile-space-md) !important;
  }

  /* Section descriptions */
  .section-description {
    font-size: var(--mobile-text-base) !important;
    line-height: 1.6 !important;
    text-align: center !important;
    margin-bottom: var(--mobile-space-xl) !important;
    color: rgba(51, 51, 51, 0.8) !important;
  }
}

/* ===== ENHANCED MOBILE GRID LAYOUTS ===== */
@media (max-width: 768px) {
  /* Grid to single column */
  .grid,
  .grid-2,
  .grid-3,
  .problems-grid,
  .benefits-grid,
  .solutions-grid,
  .steps-container {
    display: flex !important;
    flex-direction: column !important;
    gap: var(--mobile-space-lg) !important;
  }

  /* Card enhancements */
  .problem-item,
  .benefit-item,
  .solution-item,
  .step-item {
    background: white !important;
    border-radius: 16px !important;
    padding: var(--mobile-space-lg) !important;
    box-shadow: var(--mobile-shadow-md) !important;
    border: 1px solid rgba(0, 0, 0, 0.05) !important;
    transition: all var(--mobile-transition-base) !important;
  }

  .problem-item:hover,
  .benefit-item:hover,
  .solution-item:hover,
  .step-item:hover {
    transform: translateY(-2px) !important;
    box-shadow: var(--mobile-shadow-lg) !important;
  }

  /* Icon optimization for mobile */
  .problem-icon img,
  .benefit-icon img,
  .solution-icon img,
  .step-icon img {
    width: 48px !important;
    height: 48px !important;
    margin-bottom: var(--mobile-space-md) !important;
  }

  /* Card content */
  .item-title {
    font-size: var(--mobile-text-lg) !important;
    font-weight: 600 !important;
    margin-bottom: var(--mobile-space-sm) !important;
    line-height: 1.3 !important;
  }

  .item-description {
    font-size: var(--mobile-text-sm) !important;
    line-height: 1.5 !important;
    color: rgba(51, 51, 51, 0.7) !important;
  }
}

/* ===== ENHANCED MOBILE BUTTONS AND CTAS ===== */
@media (max-width: 768px) {
  /* Primary CTA buttons */
  .cta-button,
  .btn-primary,
  .contact-cta-large {
    width: 100% !important;
    max-width: 280px !important;
    margin: 0 auto !important;
    min-height: var(--mobile-touch-large) !important;
    padding: var(--mobile-space-md) var(--mobile-space-lg) !important;
    font-size: var(--mobile-text-base) !important;
    font-weight: 600 !important;
    border-radius: 12px !important;
    border: none !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: var(--mobile-space-sm) !important;
    text-decoration: none !important;
    transition: all var(--mobile-transition-base) !important;
    position: relative !important;
    overflow: hidden !important;
  }

  /* Button hover/active states */
  .cta-button:hover,
  .btn-primary:hover,
  .contact-cta-large:hover {
    transform: translateY(-1px) !important;
    box-shadow: var(--mobile-shadow-lg) !important;
  }

  .cta-button:active,
  .btn-primary:active,
  .contact-cta-large:active {
    transform: translateY(0) !important;
    transition: transform 0.1s !important;
  }

  /* Secondary buttons */
  .btn-secondary {
    width: 100% !important;
    max-width: 280px !important;
    margin: 0 auto !important;
    min-height: var(--mobile-touch-comfortable) !important;
    padding: var(--mobile-space-sm) var(--mobile-space-lg) !important;
    font-size: var(--mobile-text-sm) !important;
    border: 2px solid var(--primary-color) !important;
    background: transparent !important;
    color: var(--primary-color) !important;
    border-radius: 12px !important;
    transition: all var(--mobile-transition-base) !important;
  }

  .btn-secondary:hover {
    background: var(--primary-color) !important;
    color: white !important;
  }
}

/* ===== ENHANCED MOBILE FORMS ===== */
@media (max-width: 768px) {
  .contact-form,
  .modal-form {
    padding: var(--mobile-space-lg) !important;
  }

  .form-group {
    margin-bottom: var(--mobile-space-lg) !important;
  }

  .form-label {
    font-size: var(--mobile-text-sm) !important;
    font-weight: 600 !important;
    margin-bottom: var(--mobile-space-sm) !important;
    display: block !important;
    color: var(--text-color) !important;
  }

  .form-input,
  .form-textarea,
  .form-select {
    width: 100% !important;
    min-height: var(--mobile-touch-comfortable) !important;
    padding: var(--mobile-space-md) !important;
    font-size: 16px !important; /* Prevents iOS zoom */
    border: 2px solid rgba(0, 0, 0, 0.1) !important;
    border-radius: 8px !important;
    background: white !important;
    transition: all var(--mobile-transition-fast) !important;
    appearance: none !important;
    -webkit-appearance: none !important;
  }

  .form-input:focus,
  .form-textarea:focus,
  .form-select:focus {
    outline: none !important;
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(106, 17, 203, 0.1) !important;
  }

  .form-textarea {
    min-height: 120px !important;
    resize: vertical !important;
  }

  .form-error {
    color: #dc2626 !important;
    font-size: var(--mobile-text-xs) !important;
    margin-top: var(--mobile-space-xs) !important;
  }

  .form-success {
    color: #059669 !important;
    font-size: var(--mobile-text-xs) !important;
    margin-top: var(--mobile-space-xs) !important;
  }
}

/* ===== ENHANCED MOBILE MODALS ===== */
@media (max-width: 768px) {
  .modal,
  .contact-modal {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    z-index: 2000 !important;
    background: rgba(0, 0, 0, 0.5) !important;
    backdrop-filter: blur(4px) !important;
    display: flex !important;
    align-items: flex-end !important;
    justify-content: center !important;
    padding: 0 !important;
  }

  .modal-content {
    background: white !important;
    border-radius: 16px 16px 0 0 !important;
    width: 100% !important;
    max-height: 90vh !important;
    overflow-y: auto !important;
    padding: var(--mobile-space-lg) !important;
    animation: slideUpMobile 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  }

  .modal-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    margin-bottom: var(--mobile-space-lg) !important;
    padding-bottom: var(--mobile-space-md) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1) !important;
  }

  .modal-title {
    font-size: var(--mobile-text-xl) !important;
    font-weight: 700 !important;
    color: var(--text-color) !important;
  }

  .modal-close {
    width: var(--mobile-touch-comfortable) !important;
    height: var(--mobile-touch-comfortable) !important;
    border: none !important;
    background: rgba(0, 0, 0, 0.05) !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    transition: all var(--mobile-transition-fast) !important;
  }

  .modal-close:hover {
    background: rgba(0, 0, 0, 0.1) !important;
  }
}

@keyframes slideUpMobile {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ===== ENHANCED MOBILE TESTIMONIALS ===== */
@media (max-width: 768px) {
  .testimonials-slider {
    padding: 0 var(--mobile-space-lg) !important;
  }

  .testimonial-item {
    background: white !important;
    border-radius: 16px !important;
    padding: var(--mobile-space-lg) !important;
    box-shadow: var(--mobile-shadow-md) !important;
    margin-bottom: var(--mobile-space-lg) !important;
    text-align: center !important;
  }

  .testimonial-avatar {
    width: 64px !important;
    height: 64px !important;
    border-radius: 50% !important;
    margin: 0 auto var(--mobile-space-md) !important;
    object-fit: cover !important;
  }

  .testimonial-quote {
    font-size: var(--mobile-text-base) !important;
    line-height: 1.6 !important;
    font-style: italic !important;
    margin-bottom: var(--mobile-space-md) !important;
    color: var(--text-color) !important;
  }

  .testimonial-author {
    font-size: var(--mobile-text-sm) !important;
    font-weight: 600 !important;
    color: var(--primary-color) !important;
  }

  .testimonial-role {
    font-size: var(--mobile-text-xs) !important;
    color: rgba(51, 51, 51, 0.6) !important;
    margin-top: var(--mobile-space-xs) !important;
  }
}

/* ===== MOBILE ACCESSIBILITY ENHANCEMENTS ===== */
@media (max-width: 768px) {
  /* Focus indicators */
  *:focus {
    outline: 3px solid var(--primary-color) !important;
    outline-offset: 2px !important;
  }

  /* Skip links enhancement */
  .skip-links {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 3000 !important;
    background: var(--dark-color) !important;
    padding: var(--mobile-space-md) !important;
    text-align: center !important;
    transform: translateY(-100%) !important;
    transition: transform var(--mobile-transition-base) !important;
  }

  .skip-links:focus-within {
    transform: translateY(0) !important;
  }

  .skip-link {
    display: inline-block !important;
    padding: var(--mobile-space-sm) var(--mobile-space-md) !important;
    margin: 0 var(--mobile-space-xs) !important;
    background: var(--accent-color) !important;
    color: var(--dark-color) !important;
    text-decoration: none !important;
    border-radius: 6px !important;
    font-weight: 600 !important;
    font-size: var(--mobile-text-sm) !important;
  }
}

/* ===== MOBILE PERFORMANCE OPTIMIZATIONS ===== */
@media (max-width: 768px) {
  /* Reduce motion for better performance */
  * {
    will-change: auto !important;
  }

  /* Optimize images */
  img {
    max-width: 100% !important;
    height: auto !important;
    object-fit: cover !important;
    loading: lazy !important;
  }

  /* Optimize animations */
  @media (prefers-reduced-motion: reduce) {
    * {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  }
}

/* ===== ULTRA-SMALL DEVICES (320px - 480px) ===== */
@media (max-width: 480px) {
  :root {
    --mobile-space-xs: 0.25rem;  /* 4px */
    --mobile-space-sm: 0.5rem;   /* 8px */
    --mobile-space-md: 0.75rem;  /* 12px */
    --mobile-space-lg: 1rem;     /* 16px */
    --mobile-space-xl: 1.25rem;  /* 20px */
    --mobile-space-2xl: 2rem;    /* 32px */
  }

  .section {
    padding: var(--mobile-space-xl) var(--mobile-space-md) !important;
  }

  .hero h1 {
    font-size: var(--mobile-text-3xl) !important;
  }

  .section h2 {
    font-size: var(--mobile-text-2xl) !important;
  }
}

/* ===== MOBILE SWIPE GESTURES ===== */
@media (max-width: 768px) and (pointer: coarse) {
  .swipeable {
    touch-action: pan-x !important;
    user-select: none !important;
    -webkit-user-select: none !important;
  }

  .testimonials-slider,
  .results-slider {
    overflow-x: auto !important;
    scroll-snap-type: x mandatory !important;
    scroll-behavior: smooth !important;
    -webkit-overflow-scrolling: touch !important;
  }

  .testimonial-item,
  .result-item {
    scroll-snap-align: center !important;
    flex-shrink: 0 !important;
  }
}