/* ===============================================
   RESPONSIVE DESIGN
   =============================================== */

/* Large Desktop Screens (1440px and up) */
@media (min-width: 1440px) {
    .container {
      max-width: 1320px;
    }
    
    .hero__title {
      font-size: var(--font-size-7xl);
    }
    
    .section__title {
      font-size: var(--font-size-5xl);
    }
  }
  
  /* Desktop Screens (1024px to 1439px) */
  @media (max-width: 1439px) {
    .hero__title {
      font-size: var(--font-size-5xl);
    }
  }
  
  /* Tablet Landscape (768px to 1023px) */
  @media (max-width: 1023px) {
    .container {
      padding: 0 var(--spacing-6);
    }
    
    .nav {
      padding: var(--spacing-4) 0;
    }
    
    .nav__links {
      gap: var(--spacing-6);
    }
    
    .hero {
      padding: var(--spacing-16) 0;
      gap: var(--spacing-8);
    }
    
    .hero__title {
      font-size: var(--font-size-4xl);
    }
    
    .hero__description {
      font-size: var(--font-size-base);
      max-width: 100%;
    }
    
    .about {
      gap: var(--spacing-8);
    }
    
    .skills {
      grid-template-columns: repeat(2, 1fr);
      gap: var(--spacing-4);
    }
    
    .section {
      padding: var(--spacing-16) 0;
    }
    
    .section__title {
      font-size: var(--font-size-3xl);
    }
    
    .section__header {
      margin-bottom: var(--spacing-8);
    }
  }
  
  /* Tablet Portrait (768px and below) */
  @media (max-width: 768px) {
    .nav__links {
      display: none;
    }
    
    .nav__toggle {
      display: block;
    }
    
    .hero {
      padding: var(--spacing-12) 0;
      text-align: center;
    }
    
    .hero__title {
      font-size: var(--font-size-3xl);
    }
    
    .hero__description {
      max-width: 100%;
    }
    
    .hero__buttons {
      justify-content: center;
    }
    
    .about {
      grid-template-columns: 1fr;
      gap: var(--spacing-8);
    }
    
    .about__content {
      order: 2;
    }
    
    .skills {
      order: 1;
    }
    
    .timeline::before {
      left: 31px;
    }
    
    .timeline__item {
      width: 100%;
      padding-left: 70px;
      padding-right: 25px;
      text-align: left;
    }
    
    .timeline__item:nth-child(even) {
      left: 0;
    }
    
    .timeline__item::after {
      left: 21px;
    }
    
    .timeline__item:nth-child(even)::after {
      left: 21px;
    }
    
    .timeline__item:nth-child(odd) {
      text-align: left;
    }
    
    .section {
      padding: var(--spacing-12) 0;
    }
    
    .section__title {
      font-size: var(--font-size-2xl);
    }
    
    .section__subtitle {
      font-size: var(--font-size-base);
    }
    
    .contact__form-container {
      padding: 0 var(--spacing-4);
    }
    
    .social-links {
      gap: var(--spacing-4);
    }
    
    .social-links__item {
      width: 40px;
      height: 40px;
      font-size: var(--font-size-lg);
    }
  }
  
  /* Mobile Landscape (640px and below) */
  @media (max-width: 640px) {
    .container {
      padding: 0 var(--spacing-4);
    }
    
    .hero {
      padding: var(--spacing-8) 0;
    }
    
    .hero__title {
      font-size: var(--font-size-2xl);
      margin-bottom: var(--spacing-4);
    }
    
    .hero__description {
      margin-bottom: var(--spacing-6);
    }
    
    .hero__buttons {
      flex-direction: column;
      align-items: center;
      gap: var(--spacing-3);
    }
    
    .btn {
      width: 100%;
      max-width: 280px;
      justify-content: center;
    }
    
    .skills {
      grid-template-columns: 1fr;
      gap: var(--spacing-4);
    }
    
    .skill-card {
      padding: var(--spacing-4);
    }
    
    .skill-card__icon {
      font-size: var(--font-size-2xl);
      margin-bottom: var(--spacing-3);
    }
    
    .skill-card__title {
      font-size: var(--font-size-base);
    }
    
    .timeline {
      padding: var(--spacing-4) 0;
    }
    
    .timeline__item {
      padding-left: 60px;
      padding-right: 15px;
    }
    
    .timeline__content {
      padding: var(--spacing-4);
    }
    
    .timeline__title {
      font-size: var(--font-size-lg);
    }
    
    .tech-stack {
      position: static;
      transform: none;
      margin-top: var(--spacing-4);
      gap: var(--spacing-3);
      padding: var(--spacing-3) var(--spacing-4);
    }
    
    .tech-stack__icon {
      font-size: var(--font-size-lg);
    }
    
    .section {
      padding: var(--spacing-8) 0;
    }
    
    .section__header {
      margin-bottom: var(--spacing-6);
    }
    
    .contact__form {
      gap: var(--spacing-4);
    }
    
    .form-group__input,
    .form-group__textarea {
      padding: var(--spacing-2-5);
    }
    
    .footer {
      padding: var(--spacing-8) 0 var(--spacing-6);
    }
  }
  
  /* Mobile Portrait (480px and below) */
  @media (max-width: 480px) {
    .container {
      padding: 0 var(--spacing-3);
    }
    
    .nav {
      padding: var(--spacing-3) 0;
    }
    
    .nav__logo {
      font-size: var(--font-size-2xl);
    }
    
    .hero {
      padding: var(--spacing-6) 0;
    }
    
    .hero__title {
      font-size: var(--font-size-xl);
      line-height: var(--line-height-snug);
    }
    
    .hero__description {
      font-size: var(--font-size-sm);
    }
    
    .hero__img {
      aspect-ratio: 1/1;
    }
    
    .section__title {
      font-size: var(--font-size-xl);
    }
    
    .section__subtitle {
      font-size: var(--font-size-sm);
    }
    
    .timeline__item {
      padding-left: 50px;
      padding-right: 10px;
    }
    
    .timeline::before {
      left: 26px;
    }
    
    .timeline__item::after {
      left: 16px;
      width: 16px;
      height: 16px;
    }
    
    .timeline__item:nth-child(even)::after {
      left: 16px;
    }
    
    .timeline__content {
      padding: var(--spacing-3);
    }
    
    .timeline__title {
      font-size: var(--font-size-base);
    }
    
    .timeline__date {
      font-size: var(--font-size-xs);
    }
    
    .timeline__company {
      font-size: var(--font-size-sm);
    }
    
    .timeline__description {
      font-size: var(--font-size-xs);
    }
    
    .tech-stack {
      flex-wrap: wrap;
      justify-content: center;
      gap: var(--spacing-2);
      padding: var(--spacing-2) var(--spacing-3);
    }
    
    .tech-stack__icon {
      font-size: var(--font-size-base);
    }
    
    .social-links {
      gap: var(--spacing-3);
    }
    
    .social-links__item {
      width: 36px;
      height: 36px;
      font-size: var(--font-size-base);
    }
  }
  
  /* Extra Small Mobile (360px and below) */
  @media (max-width: 360px) {
    .container {
      padding: 0 var(--spacing-2);
    }
    
    .hero__title {
      font-size: var(--font-size-lg);
    }
    
    .btn {
      padding: var(--spacing-2-5) var(--spacing-4);
      font-size: var(--font-size-sm);
    }
    
    .skill-card {
      padding: var(--spacing-3);
    }
    
    .timeline__item {
      padding-left: 40px;
      padding-right: 5px;
    }
    
    .timeline::before {
      left: 21px;
    }
    
    .timeline__item::after {
      left: 13px;
      width: 14px;
      height: 14px;
    }
    
    .timeline__item:nth-child(even)::after {
      left: 13px;
    }
  }
  
  /* Print Styles */
  @media print {
    * {
      background: transparent !important;
      color: black !important;
      box-shadow: none !important;
      text-shadow: none !important;
    }
    
    body {
      font-size: 12pt;
      line-height: 1.5;
    }
    
    .header,
    .nav__toggle,
    .nav__mobile,
    .contact,
    .footer,
    .btn {
      display: none !important;
    }
    
    .hero {
      grid-template-columns: 1fr;
      page-break-after: avoid;
    }
    
    .hero__title {
      font-size: 24pt;
      margin-bottom: 12pt;
    }
    
    .section {
      padding: 24pt 0;
      page-break-inside: avoid;
    }
    
    .section__title {
      font-size: 18pt;
      margin-bottom: 12pt;
    }
    
    .timeline__item {
      page-break-inside: avoid;
      margin-bottom: 12pt;
    }
    
    .about {
      grid-template-columns: 1fr;
    }
    
    .skills {
      grid-template-columns: repeat(2, 1fr);
    }
    
    a[href^="http"]:after {
      content: " (" attr(href) ")";
    }
  }
  
  /* High Contrast Mode */
  @media (prefers-contrast: high) {
    :root {
      --primary: #0066cc;
      --primary-dark: #004499;
      --dark: #000000;
      --gray: #333333;
      --light: #ffffff;
    }
    
    .btn--outline {
      border-width: 3px;
    }
    
    .nav__link::after {
      height: 3px;
    }
    
    .timeline::before {
      width: 3px;
    }
    
    .timeline__item::after {
      border-width: 5px;
    }
  }
  
  /* Reduced Motion */
  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
    
    .btn:hover {
      transform: none;
    }
    
    .skill-card:hover {
      transform: none;
    }
    
    .timeline__content:hover {
      transform: none;
    }
    
    .tech-stack__icon:hover {
      transform: none;
    }
    
    .social-links__item:hover {
      transform: none;
    }
  }
  
  /* Dark Mode Support */
  @media (prefers-color-scheme: dark) {
    :root {
      --light: #0f172a;
      --dark: #f8fafc;
      --gray: #94a3b8;
      --gray-light: #64748b;
      --gray-lighter: #475569;
      --white: #1e293b;
      --dark-light: #334155;
    }
    
    .header {
      background-color: var(--white);
    }
    
    .skill-card,
    .timeline__content,
    .tech-stack {
      background-color: var(--white);
    }
    
    .contact {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    }
    
    .footer {
      background-color: #020617;
    }
  }