/* ===== Responsive Breakpoints ===== */

/* TOC becomes inline when sidebar doesn't fit */
@media (max-width: 1340px) {
  .docs-toc {
    position: static;
    transform: none;
    width: 100%;
    max-width: 800px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 18px;
  }

  .docs-toc h4 {
    margin: 0;
    padding: 0;
    border: none;
    white-space: nowrap;
  }

  .docs-toc ul {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
  }

  .docs-toc a {
    padding: 5px 10px;
    font-size: 13px;
    white-space: nowrap;
  }
}

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
  }

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

  .docs-toc {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  body {
    padding: 16px;
  }

  header {
    flex-wrap: wrap;
  }

  .brand h1 {
    font-size: 16px;
  }

  .brand > div > div {
    font-size: 11px !important;
  }

  .headline {
    font-size: 22px;
  }

  .hero .panel,
  .hero2 .panel {
    padding: 18px;
  }

  .gallery-section .panel {
    padding: 18px;
  }

  .gallery-container {
    grid-template-columns: 36px 1fr 36px;
    gap: 8px;
  }

  .gallery-nav {
    width: 36px;
    height: 36px;
    font-size: 20px;
    border-radius: 8px;
  }

  .gallery-thumbnails {
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
    gap: 6px;
  }

  .thumbnail {
    height: 45px;
    border-radius: 6px;
  }

  .gallery-info h3 {
    font-size: 17px;
  }

  .gallery-info p {
    font-size: 13px;
  }

  .dev-version-title {
    font-size: 22px;
  }

  .dev-features-grid {
    grid-template-columns: 1fr;
  }

  .requirements-table {
    grid-template-columns: 1fr;
  }

  .program-modal {
    width: 100%;
    border-radius: 12px;
  }

  .program-modal-body-inner {
    padding: 14px 16px 18px;
  }

  .program-modal-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .program-source-btn {
    min-width: 0;
    width: 100%;
  }

  .docs-table {
    font-size: 12px;
  }

  .docs-table thead th,
  .docs-table tbody td {
    padding: 8px 10px;
  }

  /* Fullscreen gallery */
  .fs-prev {
    left: 8px;
  }

  .fs-next {
    right: 8px;
  }

  .fs-close {
    top: 8px;
    right: 8px;
  }

  .fs-prev,
  .fs-next,
  .fs-close {
    padding: 8px 10px;
    font-size: 18px;
  }

  .modal {
    padding: 20px;
    width: 95%;
  }

  .image-card {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .features {
    grid-template-columns: 1fr;
  }

  .nav .btn {
    padding: 8px 12px;
    font-size: 13px;
  }

  .nav .btn svg {
    display: none;
  }

  .hero .panel .btn {
    font-size: 14px;
    padding: 10px 12px;
  }

  .hero .panel .btn svg {
    width: 16px;
    height: 16px;
    margin-right: 6px;
  }

  .developer {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 16px;
  }

  .developer .avatar {
    margin-bottom: 10px;
  }

  .lead-dev .avatar {
    width: 80px;
    height: 80px;
  }

  .software-grid {
    grid-template-columns: 1fr;
  }

  .mini-program-grid {
    grid-template-columns: 1fr;
  }

  .term {
    padding: 14px;
  }

  .cmd {
    font-size: 12px;
  }

  .gallery-container {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .gallery-nav {
    display: none;
  }

  .color-palette-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 420px) {
  body {
    padding: 12px;
  }

  .headline {
    font-size: 20px;
  }

  .lead {
    font-size: 14px;
  }

  .hero .panel,
  .hero2 .panel {
    padding: 14px;
  }

  .gallery-section .panel {
    padding: 14px;
  }

  .docs-section {
    padding: 16px;
  }

  .docs-block {
    padding: 12px 14px;
  }

  .docs-table tbody td:first-child {
    white-space: normal;
  }
}