/* 
 * Responsive CSS for anantasaurabh.com
 * Mobile-first responsive design
 */

/* ===== MOBILE STYLES (Default) ===== */

/* Hero Section Mobile */
.hero-section {
  min-height: 100vh;
  padding: calc(var(--header-height) + 2rem) 0 2rem 0;
}

.hero-container {
  grid-template-columns: 1fr;
  gap: 3rem;
  text-align: center;
}

.hero-content {
  order: 2;
}

.hero-visual {
  order: 1;
}

.hero-image-container {
  max-width: 300px;
  aspect-ratio: 3/4;
  margin: 0 auto;
}

.hero-description {
  max-width: 100%;
}

/* Navigation Mobile */
.main-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: rgba(252, 251, 246, 0.98);
  backdrop-filter: blur(15px);
  border-top: 1px solid rgba(26, 26, 26, 0.1);
  box-shadow: var(--shadow-lg);
}

.main-nav.active {
  display: block;
}

.nav-links {
  flex-direction: column;
  gap: 0;
  padding: 1rem 0;
}

.nav-link {
  padding: 1rem 2rem;
  display: block;
  border-bottom: 1px solid rgba(26, 26, 26, 0.1);
  color: var(--text-primary);
}

.nav-link:last-child {
  border-bottom: none;
}

.mobile-menu-toggle {
  display: flex;
}

/* Content Grids Mobile */
.content-grid,
.writes-grid,
.projects-grid,
.explorations-grid,
.articles-grid {
  grid-template-columns: 1fr;
}

.gallery-grid {
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.gallery-preview {
  grid-template-columns: repeat(3, 1fr);
}

/* Cards Mobile */
.content-card {
  padding: 1.5rem;
}

.card-meta {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}

.tech-stack {
  gap: 0.25rem;
}

.project-links {
  flex-direction: column;
  gap: 0.75rem;
  align-items: stretch;
}

.project-link {
  text-align: center;
  justify-content: center;
}

/* Footer Mobile */
.footer-links {
  grid-template-columns: 1fr;
  gap: 2rem;
}

.newsletter-form {
  flex-direction: column;
}

.newsletter-form input {
  margin-bottom: 0.5rem;
}

/* Form Mobile */
.error-actions {
  flex-direction: column;
  align-items: center;
}

.suggestion-links {
  flex-direction: column;
  gap: 0.5rem;
}

/* Project Layout Mobile */
.project-content {
  display: block;
}

.project-sidebar {
  margin-top: 2rem;
}

.project-actions {
  flex-direction: column;
  gap: 1rem;
  align-items: stretch;
}

/* Contact Mobile */
.contact-content {
  display: block;
}

.contact-sidebar {
  margin-top: 2rem;
}

/* About Mobile */
.methodology-grid {
  grid-template-columns: 1fr;
  gap: 2rem;
}

.connect-links {
  flex-direction: column;
  gap: 1rem;
  align-items: stretch;
}

.newsletter-form.inline {
  flex-direction: column;
  gap: 0.75rem;
}

/* ===== TABLET STYLES ===== */
@media (min-width: 768px) {
  /* Navigation Tablet */
  .mobile-menu-toggle {
    display: none;
  }

  .main-nav {
    display: block;
    position: static;
    background: none;
    border: none;
    box-shadow: none;
  }

  .nav-links {
    flex-direction: row;
    gap: 2rem;
    padding: 0;
  }

  .nav-link {
    padding: 0.5rem 0;
    border: none;
  }

  /* Hero Tablet */
  .hero-container {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    text-align: left;
  }

  .hero-content {
    order: 1;
  }

  .hero-visual {
    order: 2;
  }

  .hero-image-container {
    max-width: 400px;
  }

  /* Content Grids Tablet */
  .writes-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .explorations-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
  }

  .gallery-preview {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Cards Tablet */
  .content-card {
    padding: 2rem;
  }

  .card-meta {
    flex-direction: row;
    align-items: center;
    gap: 1rem;
  }

  .project-links {
    flex-direction: row;
    gap: 1rem;
    align-items: center;
  }

  /* Footer Tablet */
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }

  .newsletter-form {
    flex-direction: row;
  }

  .newsletter-form input {
    margin-bottom: 0;
  }

  /* Forms Tablet */
  .error-actions {
    flex-direction: row;
    justify-content: center;
  }

  .suggestion-links {
    flex-direction: row;
    gap: 1rem;
  }

  /* About Tablet */
  .methodology-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .connect-links {
    flex-direction: row;
    justify-content: center;
  }

  .newsletter-form.inline {
    flex-direction: row;
    gap: 0.5rem;
  }
}

/* ===== DESKTOP STYLES ===== */
@media (min-width: 1024px) {
  /* Hero Desktop */
  .hero-container {
    grid-template-columns: 1fr 1.2fr;
    gap: 6rem;
  }

  .hero-image-container {
    max-width: 500px;
  }

  /* Content Grids Desktop */
  .writes-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .explorations-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }

  .gallery-preview {
    grid-template-columns: repeat(6, 1fr);
  }

  /* Footer Desktop */
  .footer-links {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Project Layout Desktop */
  .project-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
  }

  .project-sidebar {
    margin-top: 0;
  }

  .project-actions {
    flex-direction: row;
    gap: 1rem;
    align-items: center;
  }

  /* Contact Desktop */
  .contact-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
  }

  .contact-sidebar {
    margin-top: 0;
  }

  /* About Desktop */
  .methodology-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
  }

  /* Article Layout Desktop */
  .scholarly-layout {
    position: relative;
  }

  .article-content {
    margin-right: 250px;
  }

  .article-sidebar {
    position: fixed;
    top: calc(var(--header-height) + 2rem);
    right: calc((100vw - var(--max-width)) / 2 - 300px);
    width: 200px;
    max-height: calc(100vh - var(--header-height) - 4rem);
    overflow-y: auto;
  }

  .toc-container {
    background: rgba(48, 77, 109, 0.03);
    padding: 1.5rem;
    border-radius: 8px;
  }

  .toc-container h4 {
    font-size: var(--text-sm);
    margin-bottom: 1rem;
    color: var(--accent-primary);
    font-family: var(--font-sans);
  }

  .toc a {
    display: block;
    padding: 0.25rem 0;
    color: rgba(26, 26, 26, 0.7);
    text-decoration: none;
    font-size: var(--text-sm);
    border-left: 2px solid transparent;
    padding-left: 0.5rem;
    margin-left: -0.5rem;
    transition: all var(--transition-fast);
  }

  .toc a:hover,
  .toc a.active {
    color: var(--accent-primary);
    border-left-color: var(--accent-secondary);
  }
}

/* ===== LARGE DESKTOP STYLES ===== */
@media (min-width: 1200px) {
  /* Enhanced spacing for larger screens */
  .hero-container {
    padding: 5rem 2rem;
  }

  .content-card {
    padding: 2.5rem;
  }

  .articles-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Better article sidebar positioning */
  .article-sidebar {
    right: calc((100vw - var(--container-width)) / 2 + 2rem);
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .site-header,
  .site-footer,
  .hero-section,
  .now-section,
  .project-actions,
  .cta-button,
  .mobile-menu-toggle,
  .reading-progress {
    display: none !important;
  }

  .main-content {
    padding-top: 0;
  }

  .scholarly-layout,
  .content-container {
    max-width: none;
    padding: 0;
  }

  .article-content {
    margin: 0;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

  h1, h2, h3 {
    page-break-after: avoid;
  }

  .content-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

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

  .abstract-animation {
    animation: none;
  }
}

@media (prefers-color-scheme: dark) {
  /* Dark mode support can be added here if desired */
  /* For now, maintaining the scholarly light theme */
}