/* Responsive Design - Mobile First Approach */

/* Mobile Footer Fix - Force Full Width */
@media (max-width: 767px) {
  .footer { 
    width: 100% !important;  /* Force full width */
    max-width: 100% !important;  /* Override any max-width */
    min-width: 100% !important;  /* Override any min-width */
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
}

/* Tablet: 768px - 1023px */
@media (max-width: 1023px) {
  .sidebar {
    width: 280px;
  }
  
  .main-content {
    margin-left: 280px;
    max-width: calc(100% - 280px);
  }
  
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-6);
  }
  
  .footer-right {
    align-items: center;
  }
  
  .hero-cta {
    gap: var(--space-3);
  }
  
  .hero-stats {
    gap: var(--space-8);
  }
  
  .section {
    padding: calc(var(--space-16) * 0.72) 0; /* Reduced by 28% total (20% + 10% of remaining) */
  }
  
  .container {
    padding: 0 var(--space-5);
  }
}

/* Mobile: < 768px - AUTO-OPENING SIDEBAR FIXED VERSION */
@media (max-width: 767px) {
  /* CRITICAL: Enable body scrolling on mobile */
  html, body {
    height: auto !important;
    min-height: 100vh !important;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    position: relative !important;
    -webkit-overflow-scrolling: touch !important; /* Smooth iOS scrolling */
  }

  /* Mobile header removed - top-nav handles all mobile navigation */

  /* Sidebar - position and width controlled in layout.css */
  .sidebar {
    background: var(--bg-primary);
  }

  /* Close button */
  .sidebar-close {
    display: flex !important;
  }

  /* Main content - layout controlled in layout.css */
  .main-content {
    padding-top: 60px !important;
    /* CRITICAL: Enable scrolling */
    overflow-x: hidden !important; /* Prevent horizontal scroll */
    overflow-y: auto !important; /* Enable vertical scrolling */
    -webkit-overflow-scrolling: touch !important; /* Smooth iOS scrolling */
  }

  /* Hero section fixes - CONSOLIDATED to prevent conflicts */
  .hero {
    min-height: 70vh !important;
    padding: 168px 0 var(--space-6) 0 !important; /* Increased from 134px to 168px (lowered by another 34px) */
    position: relative !important;
    margin-top: 0 !important; /* Remove conflicting margins */
    /* CRITICAL: Allow proper overflow and scrolling */
    overflow-x: hidden !important; /* Prevent horizontal scroll */
    overflow-y: visible !important; /* Allow content to flow naturally */
  }

  .hero-content {
    padding: 0 var(--space-4) !important;
    margin-top: -85px !important; /* Moved down by 15px from -100px (content further down) */
    position: relative !important;
    z-index: 10 !important; /* Higher z-index so text stays IN FRONT of puppy animation */
  }

  /* PERMANENT PUPPY CIRCLE FIX - Mobile */
  .hero-puppy-container {
    top: 112px !important; /* Moved down by 10%: 102px * 1.1 = 112.2px (rounded to 112px) */
    margin-top: -66px !important;
    position: absolute !important;
    z-index: 1 !important; /* Lower z-index so puppy animation runs BEHIND text */
  }

  /* Ensure all sections are visible and scrollable */
  .section {
    padding: calc(var(--space-12) * 0.72) 0 !important; /* Reduced by 28% total (20% + 10% of remaining) */
    padding-bottom: calc(var(--space-12) * 0.72) !important; /* Consistent bottom padding for all sections */
    position: relative !important;
    overflow-x: hidden !important; /* Prevent horizontal scroll */
    overflow-y: visible !important; /* Allow content to flow naturally */
  }

  /* Fix viewport height issues */
  .container {
    max-width: 100% !important;
    padding: 0 var(--space-4) !important;
    overflow-x: hidden !important; /* Prevent horizontal scroll */
    overflow-y: visible !important; /* Allow content to flow naturally */
  }
  
  .hero-content {
    padding: 0 var(--space-4);
    margin-top: var(--space-2); /* Reduced top margin by 50% to move text up */
  }
  
  .hero-name {
    font-size: var(--text-3xl);
    margin-bottom: 7.7rem; /* Increased by 10% from 7rem */
  }
  
  .hero-title {
    font-size: var(--text-xl);
  }
  
  .hero-tagline {
    font-size: var(--text-base);
    margin-bottom: var(--space-8);
  }
  
  .hero-cta {
    display: -webkit-flex;
    flex-direction: column;
    -webkit-flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-12);
  }
  
  .hero-cta .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .hero-stats {
    display: -webkit-flex;
    flex-direction: column;
    -webkit-flex-direction: column;
    gap: var(--space-4);
  }
  
  .stat {
    padding: var(--space-4);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-base);
    min-width: 120px;
  }
  
  /* Single column layouts */
  .two-column-layout {
    -webkit-grid-template-columns: 1fr;
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  .contact-grid {
    -webkit-grid-template-columns: 1fr;
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  .projects-grid {
    -webkit-grid-template-columns: 1fr;
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    -webkit-grid-template-columns: 1fr;
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-6);
  }
  
  .footer-right {
    -webkit-align-items: center;
    align-items: center;
  }
  
  /* Ensure footer container doesn't overflow */
  .footer {
    overflow-x: hidden;
    max-width: 100vw;
  }
  
  .footer-content {
    overflow-x: hidden;
  }
  
  /* Fix excessive padding on mobile - remove footer padding and adjust container */
  .footer {
    padding: 0 0 calc(var(--space-6) * 1.05) 0; /* Bottom padding increased by 5% */
  }
  
  .footer .container {
    padding-left: var(--space-3);  /* Reduce from space-4 (16px) to space-3 (12px) */
    padding-right: var(--space-3); /* Reduce from space-4 (16px) to space-3 (12px) */
  }
  
  /* Footer availability section - single column on mobile */
  .footer-availability {
    -webkit-grid-template-columns: 1fr;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    text-align: center;
    padding-left: var(--space-3);  /* Increase from space-2 (8px) to space-3 (12px) */
    padding-right: var(--space-3); /* Increase from space-2 (8px) to space-3 (12px) */
    margin-left: 0;
    margin-right: 0;
    max-width: 100%;
    overflow-x: hidden;
  }
  
  /* Fix availability text overflow and alignment - move content left */
  .availability-info,
  .preferred-roles {
    text-align: left;
    padding: 0;
    width: 100%;
    max-width: 100%;
    margin-left: -0.5rem; /* Move content slightly to the left using rem */
  }
  
  .availability-text {
    font-size: var(--text-sm);
    line-height: 1.5;
    margin-bottom: var(--space-2);
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
  }
  
  /* Fix preferred roles pills wrapping and spacing */
  .role-tags {
    justify-content: flex-start;
    gap: var(--space-2);
    margin-top: var(--space-2);
    flex-wrap: wrap;
  }
  
  .role-tag {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    margin-bottom: var(--space-2);
    flex-shrink: 0;
    min-width: fit-content;
    white-space: nowrap; /* Prevent text breaking inside pills */
  }
  
  /* Typography adjustments */
  .section {
    padding: var(--space-12) 0;
    padding-bottom: var(--space-12) !important; /* Consistent bottom padding for all sections */
  }
  
  .section-title {
    font-size: var(--text-2xl);
  }
  
  .container {
    padding: 0 var(--space-4);
  }
  
  /* Experience timeline adjustments */
  .experience-timeline::before {
    left: 20px;
  }
  
  .experience-card::before {
    left: -30px;
    width: 16px;
    height: 16px;
  }
  
  .experience-card {
    padding: var(--space-6);
    margin-left: var(--space-8);
  }
  
  /* Education timeline adjustments - ensure vertical line hidden on mobile */
  .education-timeline::before {
    content: none !important;
    display: none !important;
    left: 20px; /* kept for safety, but element is hidden */
  }
  
  .education-item::before {
    left: -30px;
    width: 16px;
    height: 16px;
  }
  
  .education-item {
    padding: var(--space-6);
    margin-left: var(--space-8);
    flex-direction: column;
    text-align: center;
  }
  
  /* Project filters */
  .project-filters {
    gap: var(--space-2);
  }
  
  .filter-btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
  }
  
  /* Contact form adjustments - Mobile Layout: Direct Contact first, then form */
  .contact-form-row {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    gap: var(--space-8);
  }
  
  /* Reorder elements for mobile: Direct Contact first */
  .contact-form-row .contact-info-container {
    order: 1;
  }
  
  .contact-form-row .contact-form-container {
    order: 2;
  }
  
  .contact-form-container,
  .contact-info-container {
    padding: var(--space-6);
  }
  
  .contact-methods {
    display: -webkit-flex;
    gap: var(--space-3);
  }
  
  .contact-method {
    padding: var(--space-3);
  }
  
  /* Skills adjustments */
  .skills-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .tools-domains {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* Small mobile: < 480px */
@media (max-width: 479px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  .hero-content {
    padding: 0 var(--space-3);
  }
  
  .hero-name {
    font-size: var(--text-2xl);
  }
  
  .hero-title {
    font-size: var(--text-lg);
  }
  
  .greeting {
    font-size: var(--text-lg);
  }
  
  .section {
    padding: calc(var(--space-10) * 0.72) 0; /* Reduced by 28% total (20% + 10% of remaining) */
    padding-bottom: calc(var(--space-10) * 0.72) !important; /* Consistent bottom padding for all sections */
  }
  
  .section-title {
    font-size: var(--text-xl);
  }
  
  .experience-card {
    padding: var(--space-4);
    margin-left: var(--space-6);
  }
  
  .education-item {
    padding: var(--space-4);
    margin-left: var(--space-6);
  }
  
  .project-content {
    padding: var(--space-4);
  }
  
  .project-title {
    font-size: var(--text-lg);
  }
  
  .project-image {
    height: 160px;
  }
  
  .filter-btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
  }
  
  .contact-form-container,
  .contact-info-container {
    padding: var(--space-4);
  }
  
  .contact-form {
    gap: var(--space-4);
  }
  
  .form-group input,
  .form-group textarea {
    padding: var(--space-2) var(--space-3);
  }
  
  .contact-method {
    display: -webkit-flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    text-align: center;
    gap: var(--space-2);
  }
  
  .method-icon {
    margin: 0 auto;
  }
  
  .social-btn {
    justify-content: center;
  }
  
  .certification-item {
    flex-direction: column;
    text-align: center;
    padding: var(--space-3);
  }
  
  /* Additional mobile footer fixes for very small screens */
  .footer {
    padding: 0 0 calc(var(--space-6) * 1.05) 0; /* Bottom padding increased by 5% */
  }
  
  .footer .container {
    padding-left: var(--space-2);  /* 8px for very small screens */
    padding-right: var(--space-2); /* 8px for very small screens */
  }
  
  .footer-availability {
    padding-left: var(--space-2);  /* 8px */
    padding-right: var(--space-2); /* 8px */
  }
  
  .availability-info,
  .preferred-roles {
    padding: 0 var(--space-1);
  }
  
  .availability-text {
    font-size: var(--text-xs);
    line-height: 1.4;
  }
  
  /* Enhanced role tags for very small screens */
  .role-tags {
    gap: var(--space-1) var(--space-2); /* 4px vertical, 8px horizontal */
  }
  
  .role-tag {
    padding: var(--space-2) var(--space-3); /* 8px 12px instead of 4px 8px */
    font-size: 11px; /* Fixed size instead of clamp for consistency */
    margin-bottom: var(--space-1);
    white-space: nowrap; /* Prevent text breaking inside pills */
  }
  
  .cert-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto var(--space-3);
  }
  
  .cert-icon svg {
    width: 24px;
    height: 24px;
  }
  
  .btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    min-height: 40px;
  }
  
  .btn-group {
    display: -webkit-flex;
    -webkit-flex-direction: column;
    flex-direction: column;
  }
  
  .btn-group .btn {
    border-radius: var(--radius-base);
    border: 2px solid var(--primary-color);
  }
  
  .btn-group .btn:not(:first-child) {
    border-top: none;
  }
}

/* Landscape mobile adjustments */
@media (max-width: 767px) and (orientation: landscape) {
  .hero {
    min-height: 60vh;
    padding: var(--space-8) 0;
  }
  
  .hero-stats {
    flex-direction: row;
    gap: var(--space-6);
  }
  
  .section {
    padding: var(--space-8) 0;
    padding-bottom: var(--space-8) !important; /* Consistent bottom padding for all sections */
  }
}

/* Large screens: > 1440px */
@media (min-width: 1441px) {
  .container {
    max-width: 1400px;
  }
  
  .sidebar {
    max-width: 450px;
  }
  
  .main-content {
    margin-left: 450px;
    max-width: calc(100% - 450px);
  }
  
  .hero-content {
    max-width: 900px;
  }
  
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Ultra-wide screens: > 1920px */
@media (min-width: 1921px) {
  .container {
    max-width: 1600px;
  }
  
  .projects-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Print styles */
@media print {
  .sidebar,
  .mobile-overlay,
  .hero-cta,
  .project-filters,
  .contact-form-container,
  .footer {
    display: none !important;
  }
  
  .main-content {
    margin-left: 0;
    max-width: 100%;
  }
  
  .section {
    padding: var(--space-8) 0;
    break-inside: avoid;
  }
  
  .experience-card,
  .project-card,
  .education-item {
    break-inside: avoid;
    margin-bottom: var(--space-6);
  }
  
  .hero {
    min-height: auto;
    padding: var(--space-8) 0;
  }
  
  .hero-name {
    font-size: var(--text-2xl);
  }
  
  .hero-title {
    font-size: var(--text-lg);
  }
  
  .hero-tagline {
    font-size: var(--text-base);
  }
  
  * {
    color: black !important;
    background: white !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .sidebar {
    border-right-width: 2px;
  }
  
  .experience-card,
  .project-card,
  .education-item,
  .certification-item {
    border-width: 2px;
  }
  
  .btn {
    border-width: 3px;
  }
  
  .form-group input,
  .form-group textarea {
    border-width: 3px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .sidebar {
    transition: none;
  }
  
  .mobile-overlay {
    transition: none;
  }
  
  .hero-content > * {
    -webkit-animation: none; /* Safari animation prefix */
    animation: none;
    opacity: 1;
    -webkit-transform: none; /* Safari transform prefix */
    transform: none;
  }
  
  .experience-card,
  .project-card,
  .education-item,
  .certification-item {
    -webkit-animation: none; /* Safari animation prefix */
    animation: none;
    opacity: 1;
    -webkit-transform: none; /* Safari transform prefix */
    transform: none;
  }
  
  .skill-fill {
    transition: none;
  }
  
  .btn::before {
    display: none;
  }
  
  .btn:hover {
    -webkit-transform: none; /* Safari transform prefix */
    transform: none;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-tertiary: #9ca3af;
    --border-color: #374151;
  }
  
  .hero {
    background: var(--bg-primary);
  }
  
  /* Mobile header removed - top-nav handles all mobile navigation */
}