/* ============================================
   RESPONSIVE STYLES
   ============================================ */

/* Large Tablets & Small Desktops (1024px) */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px;
  }

  .container {
    padding: 0 1.5rem;
  }

  .hero-title {
    font-size: 3.5rem;
  }

  .expertise-grid,
  .projects-grid,
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .expertise-card {
    padding: 1.4rem;
    /* align-items: center; */
    text-align: center;
  }
  .about-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Tablets (768px) */
@media (max-width: 768px) {
  :root {
    --section-padding: 60px;
  }

  /* Tech Stack Loop */
  .tech-stack-loop {
    padding: 40px 0;
  }

  .tech-stack-track {
    gap: 40px;
  }

  .tech-logo {
    min-width: 80px;
    padding: 15px;
  }

  .tech-icon {
    width: 60px;
    height: 60px;
  }

  /* Navigation */
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: var(--bg-primary);
    transition: left var(--transition-normal);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-list {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }

  .nav-link {
    font-size: 1.5rem;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }

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

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
  }

  /* Hero */
  .hero {
    padding-top: 100px;
    min-height: 90vh;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-description {
    font-size: 1.125rem;
    max-width: 50%;
  }

  .hero-buttons {
    flex-direction: column;
    max-width: 50%;
    margin-inline: auto;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  /* Page Hero */
  .page-hero {
    padding: 100px 0 50px;
  }

  .contact-section {
    padding: 50px 0;
  }

  .page-title {
    font-size: 2.5rem;
  }

  /* Section Headers */
  .section-title {
    font-size: 2rem;
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .about-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  /* Expertise */
  .expertise-grid {
    grid-template-columns: 1fr;
  }

  .expertise-card {
    padding: 1.4rem;
    /* align-items: center; */
    text-align: center;
  }

  /* Projects */
  .projects-grid,
  .projects-grid-full {
    grid-template-columns: 1fr;
  }

  /* Testimonials */
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  /* Timeline */
  .timeline::before {
    left: 0;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    grid-column: 1;
    margin-left: 2rem;
  }

  .timeline-marker {
    left: 0;
    transform: translateX(0);
  }

  /* Education */
  .education-grid {
    grid-template-columns: 1fr;
  }

  /* Values */
  .values-grid {
    grid-template-columns: 1fr;
  }

  /* Skills */
  .skills-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
  }

  .soft-skills-grid {
    grid-template-columns: 1fr;
  }

  /* Contact */
  .contact-section {
    padding: 60px 0;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-connect {
    display: none;
  }

  .contact-form-wrapper {
    padding: 2rem;
  }

  /* Footer */
  .footer-links {
    grid-template-columns: 1fr;
  }

  /* CTA */
  .cta-title {
    font-size: 2rem;
  }
}

/* Mobile (480px) */
@media (max-width: 480px) {
  :root {
    --section-padding: 50px;
  }

  .container {
    padding: 0 1rem;
  }

  .nav {
    padding: 1rem;
  }

  .logo {
    font-size: 1.5rem;
  }

  /* Splash Screen */
  .splash-title {
    font-size: 2.5rem;
  }

  .splash-dot {
    font-size: 3rem;
  }

  /* Hero */
  .hero-title {
    font-size: 2rem;
  }

  .hero-description {
    font-size: 1rem;
    max-width: 35%;
  }

  .hero-buttons .btn {
    width: 60%;
    padding: 0.875rem 1.5rem;
    font-size: 0.9rem;
    align-self: center;
  }

  /* Page Hero */
  .page-title {
    font-size: 2rem;
  }
  .hero-tech-loop {
    top: 15px;
  }
  .page-description {
    font-size: 1rem;
  }

  /* Section Headers */
  .section-title {
    font-size: 1.75rem;
  }

  .section-subtitle {
    font-size: 0.75rem;
    letter-spacing: 2px;
  }

  /* About Stats */
  .about-stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  /* Cards */
  .expertise-card,
  .project-card,
  .testimonial-card,
  .education-card,
  .value-card,
  .soft-skill-card {
    padding: 1.5rem;
  }

  /* Skills */
  .skills-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }

  .skill-card {
    padding: 1rem;
  }

  .skill-icon {
    font-size: 1.25rem;
  }

  .skill-name {
    font-size: 0.8rem;
  }

  /* Contact Form */
  .contact-form-wrapper {
    padding: 1.5rem;
  }

  .form-input,
  .form-textarea {
    padding: 0.75rem;
    font-size: 0.95rem;
  }

  .btn[type="submit"] {
    min-height: 52px;
    font-size: 0.95rem;
    padding: 0.875rem 1.5rem;
  }

  /* Filter Buttons */
  .filter-buttons {
    gap: 0.75rem;
  }

  .filter-btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }

  /* Timeline */
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 1.5rem;
  }

  .timeline-content {
    padding: 1rem;
  }

  .timeline-title {
    font-size: 1.125rem;
  }

  /* Project Cards */
  .project-content-full {
    padding: 1.5rem;
  }

  .project-title-full {
    font-size: 1.25rem;
  }

  /* Social Links */
  .social-icons {
    flex-wrap: wrap;
  }

  /* Back to Top */
  .back-to-top {
    width: 45px;
    height: 45px;
    bottom: 1.5rem;
    right: 1.5rem;
  }

  /* Footer */
  .footer {
    padding: 3rem 0 1.5rem;
  }

  .footer-content {
    margin-bottom: 2rem;
  }

  /* CTA */
  .cta-title {
    font-size: 1.75rem;
  }

  .cta-description {
    font-size: 1rem;
  }
}

/* Extra Small Mobile (360px) */
@media (max-width: 360px) {
  /* Hero Section */
  .hero-title {
    font-size: 1.75rem;
  }

  /* Tech Stack Loop */
  .tech-stack-loop {
    padding: 30px 0;
  }

  .tech-stack-track {
    gap: 30px;
    animation: scrollLogosLight 20s linear infinite;
  }

  [data-theme="dark"] .tech-stack-track {
    animation: scrollLogosDark 18s linear infinite;
  }

  .tech-logo {
    min-width: 70px;
    padding: 10px;
  }

  .tech-icon {
    width: 50px;
    height: 50px;
  }

  .page-title {
    font-size: 1.75rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
  }

  .nav {
    padding: 0.875rem;
  }

  .logo {
    font-size: 1.25rem;
  }
}

/* Landscape Mobile */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }

  .scroll-indicator {
    display: none;
  }

  .nav-menu {
    overflow-y: auto;
  }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  /* Optimize for retina displays */
  .logo,
  .section-title,
  .hero-title {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}

/* Print Styles */
@media print {
  .header,
  .nav,
  .theme-toggle,
  .back-to-top,
  .hero-buttons,
  .cta,
  .filter-buttons {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .section {
    page-break-inside: avoid;
  }

  a {
    text-decoration: underline;
  }
}