/* DevAI Resources — GitHub Pages + WordPress-friendly stylesheet */

:root {
  --devai-bg: #ffffff;
  --devai-bg-alt: #f5f5f7;
  --devai-text: #1d1d1f;
  --devai-muted: #6e6e73;
  --devai-link: #0071e3;
  --devai-link-hover: #0077ed;
  --devai-border: rgba(0, 0, 0, 0.08);
  --devai-border-soft: rgba(0, 0, 0, 0.05);
  --devai-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  --devai-shadow-hover: 0 16px 38px rgba(0, 0, 0, 0.12);
  --devai-accent-glow: rgba(0, 113, 227, 0.14);
  --devai-radius: 18px;
  --devai-max: 980px;
}

/* ── WordPress Twenty Sixteen nav override ─────────────────── */
/* Replaces the default theme header with the devai-header look */
.site-header {
  position: sticky !important;
  top: 0 !important;
  z-index: 1000 !important;
  background: rgba(255, 255, 255, 0.9) !important;
  -webkit-backdrop-filter: saturate(180%) blur(18px) !important;
  backdrop-filter: saturate(180%) blur(18px) !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08) !important;
  box-shadow: 0 2px 18px rgba(0, 0, 0, 0.06) !important;
  padding: 0 !important;
}

.site-header .site-branding {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  max-width: 1200px !important;
  margin: 0 auto !important;
  padding: 10px 22px !important;
  gap: 20px !important;
  flex-wrap: wrap !important;
}

.site-title {
  margin: 0 !important;
  padding: 0 !important;
  font-size: 20px !important;
  font-weight: 700 !important;
  line-height: 1 !important;
}

.site-title a {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif !important;
  font-size: 20px !important;
  font-weight: 700 !important;
  color: #1d1d1f !important;
  text-decoration: none !important;
  letter-spacing: -0.02em !important;
  white-space: nowrap !important;
}

.site-title a:hover {
  color: #1d1d1f !important;
  text-decoration: none !important;
}

/* Hide tagline and header image area */
.site-description {
  display: none !important;
}

.site-header-main {
  padding: 0 !important;
  border: none !important;
}

/* Nav container */
.main-navigation {
  background: none !important;
  border: none !important;
  padding: 0 !important;
  float: none !important;
  clear: none !important;
}

.main-navigation ul {
  display: flex !important;
  flex-wrap: wrap !important;
  align-items: center !important;
  gap: 3px !important;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  background: none !important;
  border: none !important;
  box-shadow: none !important;
}

.main-navigation ul li {
  float: none !important;
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
  background: none !important;
  position: static !important;
}

.main-navigation ul li a {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif !important;
  display: inline-flex !important;
  align-items: center !important;
  padding: 6px 10px !important;
  border-radius: 999px !important;
  color: #4f4f54 !important;
  text-decoration: none !important;
  font-size: 12px !important;
  font-weight: 500 !important;
  line-height: 1.25 !important;
  background: none !important;
  border: none !important;
  transition: background 0.2s ease, color 0.2s ease !important;
  white-space: nowrap !important;
}

.main-navigation ul li a:hover {
  color: #1d1d1f !important;
  background: rgba(0, 0, 0, 0.05) !important;
  text-decoration: none !important;
}

.main-navigation ul li.current-menu-item > a,
.main-navigation ul li.current_page_item > a,
.main-navigation ul li.current-menu-ancestor > a {
  color: #1d1d1f !important;
  background: rgba(0, 0, 0, 0.08) !important;
}

/* Hide mobile hamburger toggle on all sizes */
.menu-toggle {
  display: none !important;
}

/* Hide dropdown arrows and sub-menus */
.main-navigation .dropdown-toggle,
.main-navigation ul ul {
  display: none !important;
}

@media (max-width: 980px) {
  .site-header .site-branding {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 8px !important;
  }
}
/* ── end WordPress nav override ────────────────────────────── */

/* ── Search bar / command palette ───────────────────────────── */
.devai-search {
  position: relative;
  display: flex;
  align-items: center;
  margin-left: 10px;
  flex-shrink: 0;
}

.devai-search__btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 36px !important;
  height: 36px !important;
  min-width: 36px !important;
  border-radius: 50% !important;
  border: 1px solid rgba(0, 0, 0, 0.12) !important;
  background: rgba(0, 0, 0, 0.04) !important;
  cursor: pointer !important;
  color: #4f4f54 !important;
  padding: 0 !important;
  flex-shrink: 0;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.devai-search__btn:hover {
  background: rgba(0, 113, 227, 0.08) !important;
  border-color: rgba(0, 113, 227, 0.3) !important;
  color: #0071e3 !important;
  box-shadow: 0 2px 10px rgba(0, 113, 227, 0.1);
}

.devai-search__btn[aria-expanded="true"] {
  background: rgba(0, 113, 227, 0.08) !important;
  border-color: rgba(0, 113, 227, 0.4) !important;
  color: #1d1d1f !important;
  box-shadow: 0 6px 18px rgba(0, 113, 227, 0.16);
}

.devai-search__popover {
  display: none;
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 420px;
  max-width: min(420px, calc(100vw - 24px));
  background: rgba(255, 255, 255, 0.98);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-radius: 18px;
  box-shadow: 0 20px 55px rgba(15, 23, 42, 0.22), 0 2px 8px rgba(15, 23, 42, 0.12);
  border: 1px solid rgba(0, 0, 0, 0.09);
  overflow: hidden;
  z-index: 2500;
  animation: devai-search-in 0.2s ease;
}

.devai-search__popover.is-open {
  display: block;
}

@keyframes devai-search-in {
  from { opacity: 0; transform: translateY(-8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.devai-search__input {
  width: 100% !important;
  border: none !important;
  outline: none !important;
  padding: 15px 16px !important;
  font-size: 15px !important;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif !important;
  color: #1d1d1f !important;
  background: transparent !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08) !important;
  box-shadow: none !important;
  border-radius: 0 !important;
}

.devai-search__input::placeholder {
  color: #8f8f96 !important;
}

.devai-search__results {
  max-height: 360px;
  overflow-y: auto;
  padding: 6px;
}

.devai-search__result {
  display: block !important;
  padding: 10px 11px !important;
  border-radius: 12px;
  text-decoration: none !important;
  border: 1px solid transparent !important;
  transition: background 0.14s ease, border-color 0.14s ease, transform 0.14s ease !important;
  cursor: pointer;
  margin-bottom: 4px;
}

.devai-search__result:last-child {
  margin-bottom: 0;
}

.devai-search__result:hover,
.devai-search__result.is-active {
  background: rgba(0, 113, 227, 0.08) !important;
  border-color: rgba(0, 113, 227, 0.24) !important;
  text-decoration: none !important;
  transform: translateY(-1px);
}

.devai-search__result-title {
  display: block;
  font-size: 14px !important;
  font-weight: 650 !important;
  color: #1d1d1f !important;
  margin-bottom: 3px !important;
  line-height: 1.35 !important;
}

.devai-search__result-excerpt {
  display: block;
  font-size: 12px !important;
  color: #6e6e73 !important;
  line-height: 1.45 !important;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0 !important;
}

.devai-search__meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 7px;
}

.devai-search__tag {
  font-size: 10px;
  font-weight: 600;
  color: #5b5f66;
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.09);
  border-radius: 999px;
  padding: 2px 7px;
  line-height: 1.2;
}

.devai-search__hl {
  background: rgba(0, 113, 227, 0.14) !important;
  color: #005fc2 !important;
  border-radius: 4px;
  padding: 0 3px;
  font-style: normal;
}

.devai-search__result-excerpt .devai-search__hl {
  background: transparent !important;
  color: #0071e3 !important;
  font-weight: 600 !important;
  padding: 0;
}

.devai-search__empty {
  padding: 18px 14px !important;
  font-size: 13px !important;
  color: #6e6e73 !important;
  text-align: center;
  margin: 0 !important;
}

.devai-search__hint {
  display: block;
  margin-top: 8px;
  font-size: 11px;
  color: #8e8e93;
}

.devai-search__shortcut {
  display: none;
}

@media (max-width: 768px) {
  .devai-search__popover {
    width: calc(100vw - 20px);
    right: -6px;
  }

  .devai-search__btn {
    width: 36px !important;
    height: 36px !important;
    min-width: 36px !important;
  }

  .devai-nav {
    width: 100%;
    justify-content: space-between;
  }

  .devai-nav__list {
    justify-content: flex-start;
  }
}
/* ── end search bar ─────────────────────────────────────────── */

/* GitHub-only header/footer chrome */
.devai-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9) !important;
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--devai-border) !important;
  box-shadow: 0 2px 18px rgba(0, 0, 0, 0.06) !important;
}

.devai-header,
.devai-header * {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif !important;
  box-sizing: border-box;
}

.devai-header__inner {
  max-width: 1200px;
  margin: 0 auto !important;
  padding: 10px 22px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 20px;
}

.devai-brand {
  color: var(--devai-text) !important;
  text-decoration: none !important;
  font-size: 20px !important;
  font-weight: 700 !important;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.devai-brand:hover {
  color: var(--devai-text);
  text-decoration: none;
}

.devai-nav {
  display: flex !important;
  align-items: center !important;
  flex-wrap: nowrap !important;
  min-width: 0;
  gap: 4px;
}

.devai-nav__list {
  list-style: none !important;
  display: flex !important;
  flex-wrap: wrap !important;
  flex: 1 1 auto;
  align-items: center !important;
  justify-content: flex-end;
  gap: 3px !important;
  margin: 0 !important;
  padding: 0 !important;
}

.devai-header .devai-nav ul,
.devai-header .devai-nav ol,
.devai-header .devai-nav li {
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

.devai-nav__list li {
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

.devai-nav__link {
  display: inline-flex !important;
  align-items: center !important;
  padding: 6px 10px !important;
  border-radius: 999px !important;
  color: #4f4f54 !important;
  text-decoration: none !important;
  font-size: 12px !important;
  font-weight: 500 !important;
  line-height: 1.25 !important;
  transition: background 0.2s ease, color 0.2s ease;
}

.devai-header .devai-nav__link:link,
.devai-header .devai-nav__link:visited {
  color: #4f4f54 !important;
  text-decoration: none !important;
}

.devai-nav__link:hover {
  color: var(--devai-text) !important;
  background: rgba(0, 0, 0, 0.05) !important;
  text-decoration: none !important;
}

.devai-nav__link.is-current {
  color: var(--devai-text) !important;
  background: rgba(0, 0, 0, 0.08) !important;
}

.devai-footer {
  background: var(--devai-bg-alt);
  border-top: 1px solid var(--devai-border);
  padding: 28px 20px 36px;
}

.devai-footer__inner {
  max-width: var(--devai-max);
  margin: 0 auto;
}

.devai-footer__inner p {
  margin: 0;
  text-align: center;
  color: var(--devai-muted);
  font-size: 12px;
}

.devai-footer__inner a {
  color: var(--devai-link);
  text-decoration: none;
}

.devai-footer__inner a:hover {
  color: var(--devai-link-hover);
  text-decoration: underline;
}

/* Page content blocks */
.page-main {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif !important;
  color: var(--devai-text) !important;
  font-size: 17px !important;
  line-height: 1.6 !important;
  margin: 0 !important;
}

.page-main * {
  box-sizing: border-box;
}

.page-main a {
  color: var(--devai-link) !important;
  text-decoration: none;
}

.page-main a:hover {
  color: var(--devai-link-hover) !important;
  text-decoration: underline;
}

.page-main .band {
  width: 100%;
  margin: 0 !important;
  padding: clamp(5rem, 9vw, 6.5rem) clamp(1.25rem, 4vw, 2.5rem) !important;
  position: relative;
}

.page-main .band--white {
  background: var(--devai-bg) !important;
}

.page-main .band--tint {
  background: linear-gradient(180deg, #f7f7f9 0%, var(--devai-bg-alt) 100%) !important;
}

.page-main .band--tint::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 12% 20%, rgba(0, 113, 227, 0.08), transparent 35%),
    radial-gradient(circle at 88% 80%, rgba(0, 113, 227, 0.05), transparent 30%);
}

.page-main .band--tight-top {
  padding-top: clamp(3rem, 6vw, 4rem) !important;
}

.page-main .layout-constrain {
  max-width: var(--devai-max);
  margin: 0 auto !important;
  width: 100%;
  position: relative;
  z-index: 1;
}

.page-main .hero {
  text-align: center;
}

.page-main .devai-hero-break {
  border-bottom: 1px solid var(--devai-border);
  box-shadow: inset 0 -24px 44px -36px rgba(0, 113, 227, 0.3);
}

.page-main .hero__eyebrow {
  margin: 0 0 12px !important;
  font-size: 12px !important;
  color: #8b8b90 !important;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.page-main .hero__headline {
  margin: 0 0 16px !important;
  font-size: clamp(2.5rem, 7vw, 4rem) !important;
  line-height: 1.05 !important;
  letter-spacing: -0.04em !important;
  font-weight: 700 !important;
  color: var(--devai-text) !important;
}

.page-main .hero__subhead {
  max-width: 700px;
  margin: 0 auto !important;
  color: var(--devai-muted) !important;
  font-size: clamp(1.15rem, 2.4vw, 1.45rem) !important;
}

.page-main .section-headline {
  margin: 0 0 20px !important;
  font-size: clamp(2rem, 5vw, 3rem) !important;
  line-height: 1.08 !important;
  letter-spacing: -0.035em !important;
  font-weight: 700 !important;
  color: var(--devai-text) !important;
}

.page-main .section-headline::after {
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  margin-top: 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(0, 113, 227, 0.95), rgba(0, 113, 227, 0.22));
}

.page-main p {
  margin: 0 0 1em !important;
  color: var(--devai-text) !important;
}

.page-main strong {
  color: var(--devai-text) !important;
  font-weight: 600 !important;
}

.page-main code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace !important;
  font-size: 0.9em !important;
  padding: 0.1em 0.4em !important;
  border-radius: 6px !important;
  border: 1px solid var(--devai-border) !important;
  background: var(--devai-bg-alt) !important;
}

.page-main .pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 36px !important;
}

.page-main .pillar-card,
.page-main .toc-panel,
.page-main .feature-panel,
.page-main .tips-panel,
.page-main .resource-card {
  background: #fff !important;
  border: 1px solid var(--devai-border-soft) !important;
  border-radius: var(--devai-radius) !important;
  box-shadow: var(--devai-shadow) !important;
}

.page-main .pillar-card,
.page-main .feature-panel,
.page-main .tips-panel {
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.page-main .pillar-card:hover,
.page-main .feature-panel:hover,
.page-main .tips-panel:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 113, 227, 0.2) !important;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.09), 0 4px 16px var(--devai-accent-glow) !important;
}

.page-main .pillar-card {
  padding: 26px 24px !important;
}

.page-main .pillar-card__label {
  margin: 0 0 8px !important;
  font-size: 14px !important;
  color: var(--devai-muted) !important;
  font-weight: 600 !important;
}

.page-main .toc-panel {
  margin-top: 30px !important;
  padding: 36px !important;
  background:
    radial-gradient(circle at top right, rgba(0, 113, 227, 0.13), transparent 42%),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 100%) !important;
}

.page-main .toc-panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px !important;
}

.page-main .toc-panel__header-copy {
  max-width: 74ch;
}

.page-main .toc-panel__label {
  margin-bottom: 8px !important;
  font-size: 14px !important;
  letter-spacing: 0.02em;
  font-weight: 600 !important;
  color: var(--devai-muted) !important;
}

.page-main .toc-panel__intro {
  margin: 0 !important;
  font-size: 15px !important;
  line-height: 1.45 !important;
  color: var(--devai-muted) !important;
}

.page-main .toc-panel__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 8px 12px !important;
  border-radius: 999px;
  border: 1px solid rgba(0, 113, 227, 0.2);
  background: rgba(0, 113, 227, 0.08) !important;
  color: var(--devai-link) !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.page-main .toc-panel__list {
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.page-main .toc-panel__list > li {
  margin: 0 !important;
}

.page-main .toc-panel__list > li > a {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 210px;
  padding: 18px 20px !important;
  text-decoration: none !important;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: linear-gradient(180deg, #ffffff 0%, #fdfdff 100%) !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.055);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-main .toc-panel__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px !important;
}

.page-main .toc-panel__index {
  font-size: 12px !important;
  font-weight: 700 !important;
  color: var(--devai-muted) !important;
  letter-spacing: 0.08em;
}

.page-main .toc-panel__title {
  font-size: clamp(1.02rem, 1.2vw, 1.22rem) !important;
  font-weight: 700 !important;
  line-height: 1.3 !important;
  color: var(--devai-text) !important;
  margin: 0 0 8px !important;
}

.page-main .toc-panel__summary {
  display: block;
  margin: 0 !important;
  font-size: 14px !important;
  line-height: 1.45 !important;
  color: var(--devai-muted) !important;
}

.page-main .toc-panel__cta {
  margin-top: auto !important;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-top: 14px;
  font-size: 13px !important;
  font-weight: 700 !important;
  color: var(--devai-link) !important;
}

.page-main .toc-panel__cta-arrow {
  transition: transform 0.2s ease;
}

.page-main .toc-panel__list > li > a:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 113, 227, 0.34);
  background: linear-gradient(180deg, #ffffff 0%, #f4f9ff 100%) !important;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1), 0 6px 18px rgba(0, 113, 227, 0.1);
}

.page-main .toc-panel__list > li > a:hover .toc-panel__cta-arrow {
  transform: translateX(3px);
}

.page-main .resource-lede__tags {
  display: flex;
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}

.page-main .resource-lede__tag {
  font-size: 12px !important;
  padding: 5px 10px !important;
  border-radius: 999px;
  border: 1px solid var(--devai-border) !important;
  color: var(--devai-muted) !important;
  background: linear-gradient(180deg, #ffffff 0%, var(--devai-bg-alt) 100%) !important;
}

.page-main .resource-lede__title {
  margin: 0 0 8px !important;
  font-size: clamp(2.25rem, 5.5vw, 3.5rem) !important;
  line-height: 1.08 !important;
  letter-spacing: -0.04em !important;
  font-weight: 700 !important;
}

.page-main .resource-lede__back {
  margin: 0 0 14px !important;
  font-size: 13px !important;
  color: var(--devai-muted) !important;
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}

.page-main .resource-lede__url {
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  border-bottom: 1px dashed rgba(0, 0, 0, 0.14);
}

.page-main .article-stack {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.page-main .feature-panel,
.page-main .tips-panel {
  padding: 36px 40px !important;
}

.page-main .feature-panel {
  border-top: 2px solid rgba(0, 0, 0, 0.04) !important;
}

.page-main .feature-panel__title,
.page-main .tips-panel__title {
  margin: 0 0 16px !important;
  font-size: 28px !important;
  line-height: 1.15 !important;
  letter-spacing: -0.025em !important;
  font-weight: 700 !important;
  color: var(--devai-text) !important;
}

.page-main .tips-panel ul {
  margin: 0 !important;
  padding-left: 1.2em !important;
}

.page-main .tips-panel li {
  margin-bottom: 10px !important;
}

/* Complementary panel rhythm: media/code/callout read as supplementary blocks */
.page-main .devai-video-panel,
.page-main .devai-code-panel,
.page-main .devai-callout {
  border-top: 3px solid rgba(0, 113, 227, 0.24) !important;
}

.page-main .resource-deck {
  display: grid;
  gap: 16px;
  margin-top: 32px !important;
}

.page-main .resource-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 26px 28px !important;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-main .resource-card:hover {
  transform: translateY(-4px) scale(1.005);
  box-shadow: var(--devai-shadow-hover), 0 2px 14px var(--devai-accent-glow) !important;
}

.page-main .resource-card__index {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 13px !important;
  font-weight: 600 !important;
  color: var(--devai-muted);
  background: var(--devai-bg-alt);
}

.page-main .resource-card__title {
  margin: 0 0 8px !important;
  font-size: 23px !important;
  line-height: 1.2 !important;
  font-weight: 700 !important;
}

.page-main .resource-card__blurb {
  margin: 0 0 10px !important;
  font-size: 15px !important;
  color: var(--devai-muted) !important;
}

.page-main .resource-card__link {
  font-size: 15px !important;
  font-weight: 500 !important;
  transition: transform 0.2s ease;
}

.page-main .resource-card__link:hover {
  transform: translateX(2px);
}

@media (max-width: 980px) {
  .devai-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .page-main .resource-card {
    flex-direction: column;
    padding: 22px !important;
  }

  .page-main .feature-panel,
  .page-main .tips-panel,
  .page-main .toc-panel {
    padding: 24px !important;
  }

  .page-main .toc-panel__header {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 16px !important;
  }

  .page-main .toc-panel__list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .page-main .toc-panel__list > li > a {
    min-height: 0;
  }
}

/* ── Video embed panel ─────────────────────────────────────── */
.page-main .devai-video-panel {
  background: #fff !important;
  border: 1px solid var(--devai-border-soft) !important;
  border-radius: var(--devai-radius) !important;
  box-shadow: var(--devai-shadow) !important;
  padding: 36px 40px !important;
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.page-main .devai-video-panel:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(0,0,0,0.09), 0 4px 16px var(--devai-accent-glow) !important;
}

.page-main .devai-video-panel__label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px !important;
  border-radius: 999px;
  background: rgba(0, 113, 227, 0.08) !important;
  border: 1px solid rgba(0, 113, 227, 0.2) !important;
  font-size: 10px !important;
  font-weight: 700 !important;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--devai-link) !important;
  margin: 0 0 10px !important;
}

.page-main .devai-video-panel__title {
  font-size: 24px !important;
  font-weight: 700 !important;
  line-height: 1.2 !important;
  letter-spacing: -0.02em !important;
  color: var(--devai-text) !important;
  margin: 0 0 6px !important;
}

.page-main .devai-video-panel__desc {
  font-size: 15px !important;
  color: var(--devai-muted) !important;
  margin: 0 0 16px !important;
  max-width: 72ch;
}

.page-main .devai-video-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 12px;
  background: #000;
  margin: 0 !important;
}

.page-main .devai-video-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 12px;
}

/* ── Code block panel ──────────────────────────────────────── */
.page-main .devai-code-panel {
  background: #fff !important;
  border: 1px solid var(--devai-border-soft) !important;
  border-radius: var(--devai-radius) !important;
  box-shadow: var(--devai-shadow) !important;
  padding: 36px 40px !important;
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.page-main .devai-code-panel:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(0,0,0,0.09), 0 4px 16px var(--devai-accent-glow) !important;
}

.page-main .devai-code-panel__title {
  font-size: 24px !important;
  font-weight: 700 !important;
  line-height: 1.2 !important;
  letter-spacing: -0.02em !important;
  color: var(--devai-text) !important;
  margin: 0 0 4px !important;
}

.page-main .devai-code-panel__desc {
  font-size: 15px !important;
  color: var(--devai-muted) !important;
  margin: 0 0 16px !important;
  max-width: 72ch;
}

.page-main .devai-code-block {
  position: relative;
  background: #111318 !important;
  border-radius: 12px !important;
  padding: 54px 22px 22px !important;
  overflow-x: auto;
  margin: 0 !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.page-main .devai-code-block::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 16px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ff5f57;
  box-shadow: 16px 0 0 #febc2e, 32px 0 0 #28c840;
}

.page-main .devai-code-block::after {
  content: "example.py";
  position: absolute;
  top: 12px;
  left: 64px;
  font-size: 12px;
  font-weight: 500;
  color: #9ca3af;
  letter-spacing: 0.01em;
}

.page-main .devai-code-block code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace !important;
  font-size: 13px !important;
  line-height: 1.65 !important;
  color: #e5e5ea !important;
  background: none !important;
  border: none !important;
  padding: 0 !important;
  border-radius: 0 !important;
  white-space: pre !important;
  display: block;
}

/* Syntax highlight tokens */
.page-main .dk { color: #ff7eb6 !important; }  /* keywords: import, from, def, return */
.page-main .ds { color: #a8ff78 !important; }  /* strings */
.page-main .dc { color: #636366 !important; }  /* comments */
.page-main .df { color: #79c0ff !important; }  /* function/method names */
.page-main .dn { color: #ffa560 !important; }  /* numbers */
.page-main .dp { color: #e5e5ea !important; }  /* default text */

/* ── Callout box ───────────────────────────────────────────── */
.page-main .devai-callout {
  background: linear-gradient(135deg, rgba(255, 248, 234, 0.9) 0%, rgba(255, 255, 255, 0.85) 100%) !important;
  border: 1px solid rgba(0,113,227,0.18) !important;
  border-left: 4px solid var(--devai-link) !important;
  border-radius: var(--devai-radius) !important;
  padding: 24px 28px !important;
}

.page-main .devai-callout__label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11px !important;
  font-weight: 700 !important;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--devai-link) !important;
  margin: 0 0 10px !important;
}

.page-main .devai-callout__label::before {
  content: "💡";
  font-size: 14px;
  line-height: 1;
}

.page-main .devai-callout p {
  margin: 0 !important;
  font-size: 15px !important;
  color: var(--devai-text) !important;
  line-height: 1.65 !important;
}

/* ── Stat pills row ────────────────────────────────────────── */
.page-main .devai-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin-top: 18px !important;
}

.page-main .devai-stat {
  background: linear-gradient(180deg, #ffffff 0%, #f8f9fc 100%) !important;
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  padding: 16px 16px 15px !important;
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  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-main .devai-stat:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}

.page-main .devai-stat__value {
  font-size: 26px !important;
  font-weight: 700 !important;
  color: var(--devai-text) !important;
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.page-main .devai-stat__label {
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  margin: 0 !important;
  line-height: 1.35 !important;
}

/* ── Responsive additions ──────────────────────────────────── */
@media (max-width: 768px) {
  .page-main .devai-video-panel,
  .page-main .devai-code-panel {
    padding: 24px !important;
  }

  .page-main .devai-code-block {
    padding: 46px 16px 16px !important;
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  .page-main .devai-code-block code {
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  .page-main .devai-code-block::after {
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    top: 30px;
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  .page-main .devai-callout {
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  .page-main .devai-stats {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
}

@media (max-width: 560px) {
  .page-main .devai-stats {
    grid-template-columns: 1fr;
  }
}

/* ── WordPress iframe embed mode ───────────────────────────── */
/* Add this to Appearance → Additional CSS when using a single  */
/* WordPress page with an <iframe src="your-github-pages-url">  */
/* It strips the WP chrome so the iframe fills the full screen. */

.devai-iframe-mode .site-header,
.devai-iframe-mode .site-footer,
.devai-iframe-mode .widget-area,
.devai-iframe-mode .site-info,
.devai-iframe-mode #colophon {
  display: none !important;
}

.devai-iframe-mode #page,
.devai-iframe-mode #content,
.devai-iframe-mode .site-content,
.devai-iframe-mode .entry-content,
.devai-iframe-mode .post-content,
.devai-iframe-mode article {
  margin: 0 !important;
  padding: 0 !important;
  max-width: 100% !important;
  width: 100% !important;
}

/* The iframe itself */
.devai-iframe-mode iframe {
  display: block !important;
  width: 100% !important;
  height: 100vh !important;
  border: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

/* ── end iframe embed mode ─────────────────────────────────── */

/* ══════════════════════════════════════════════════════════════
   AI Integration Flowchart
   ══════════════════════════════════════════════════════════════ */

.flow-section {
  padding-top: clamp(3.5rem, 7vw, 5rem) !important;
  padding-bottom: clamp(3.5rem, 7vw, 5.5rem) !important;
}

.flow-eyebrow {
  font-size: 11px !important;
  font-weight: 700 !important;
  letter-spacing: 0.1em !important;
  text-transform: uppercase !important;
  color: #0071e3 !important;
  margin: 0 0 12px !important;
}

.flow-subhead {
  font-size: 15px !important;
  color: var(--devai-muted) !important;
  margin: 0 0 52px !important;
  line-height: 1.5 !important;
}

/* ── timeline container ── */
.flow-timeline {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
}

/* vertical rail */
.flow-timeline::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background: linear-gradient(180deg, #0071e3 0%, rgba(0,113,227,0.15) 100%);
  border-radius: 2px;
  z-index: 0;
}

/* ── individual step ── */
.flow-step {
  position: relative;
  padding-left: 72px;
  margin-bottom: 6px;
  cursor: pointer;
}

.flow-step:last-child {
  margin-bottom: 0;
}

/* numbered circle */
.flow-step__dot {
  position: absolute;
  left: 12px;
  top: 18px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid rgba(0,113,227,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  color: #0071e3;
  letter-spacing: -0.01em;
  z-index: 1;
  transition: background 0.22s ease, border-color 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
  flex-shrink: 0;
}

.flow-step.is-active .flow-step__dot,
.flow-step:hover .flow-step__dot {
  background: #0071e3;
  border-color: #0071e3;
  color: #fff;
  transform: scale(1.12);
  box-shadow: 0 0 0 5px rgba(0,113,227,0.12);
}

/* card */
.flow-step__card {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}

.flow-step:hover .flow-step__card {
  border-color: rgba(0,113,227,0.22);
  box-shadow: 0 4px 20px rgba(0,113,227,0.08);
  transform: translateX(3px);
}

.flow-step.is-active .flow-step__card {
  border-color: rgba(0,113,227,0.35);
  box-shadow: 0 8px 32px rgba(0,113,227,0.12);
  transform: translateX(4px);
}

/* card header row */
.flow-step__header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 17px 20px;
  user-select: none;
}

.flow-step__icon {
  font-size: 22px;
  line-height: 1;
  flex-shrink: 0;
  width: 36px;
  text-align: center;
}

.flow-step__title-wrap {
  flex: 1;
  min-width: 0;
}

.flow-step__title {
  font-size: 15px !important;
  font-weight: 680 !important;
  color: var(--devai-text) !important;
  margin: 0 0 2px !important;
  line-height: 1.3 !important;
  letter-spacing: -0.01em !important;
}

.flow-step__tagline {
  font-size: 12px !important;
  color: var(--devai-muted) !important;
  margin: 0 !important;
  line-height: 1.4 !important;
}

.flow-step__chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: #c7c7cc;
  transition: transform 0.22s ease, color 0.22s ease;
}

.flow-step.is-active .flow-step__chevron {
  transform: rotate(180deg);
  color: #0071e3;
}

/* expandable body */
.flow-step__body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.28s ease;
  border-top: 0px solid rgba(0,113,227,0.1);
}

.flow-step.is-active .flow-step__body {
  grid-template-rows: 1fr;
  border-top-width: 1px;
}

.flow-step__body-inner {
  overflow: hidden;
}

.flow-step__body-content {
  padding: 18px 20px 20px 20px;
}

.flow-step__desc {
  font-size: 13.5px !important;
  color: #3a3a3c !important;
  line-height: 1.65 !important;
  margin: 0 0 16px !important;
}

/* tip box inside step */
.flow-step__tip {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: rgba(0,113,227,0.05);
  border: 1px solid rgba(0,113,227,0.12);
  border-radius: 10px;
  padding: 11px 14px;
  margin-bottom: 16px;
}

.flow-step__tip-icon {
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 1px;
}

.flow-step__tip-text {
  font-size: 12px !important;
  color: #004f9e !important;
  line-height: 1.55 !important;
  margin: 0 !important;
}

/* resource chips */
.flow-step__resources {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
}

.flow-step__resources-label {
  font-size: 11px;
  font-weight: 700;
  color: #8e8e93;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  width: 100%;
  margin-bottom: 2px;
}

.flow-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px 5px 10px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(0,113,227,0.22);
  font-size: 12px;
  font-weight: 600;
  color: #0071e3 !important;
  text-decoration: none !important;
  transition: background 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
  cursor: pointer;
  white-space: nowrap;
}

.flow-chip:hover {
  background: rgba(0,113,227,0.07) !important;
  border-color: #0071e3 !important;
  transform: translateY(-1px);
  text-decoration: none !important;
}

.flow-chip__arrow {
  font-size: 10px;
  opacity: 0.6;
}

/* ── progress bar at top ── */
.flow-progress {
  display: flex;
  gap: 4px;
  margin-bottom: 28px;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.flow-progress__seg {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: rgba(0,0,0,0.07);
  transition: background 0.3s ease;
  cursor: pointer;
}

.flow-progress__seg.is-done {
  background: #0071e3;
}

/* responsive */
@media (max-width: 600px) {
  .flow-timeline::before {
    left: 16px;
  }
  .flow-step {
    padding-left: 52px;
  }
  .flow-step__dot {
    left: 0;
    width: 30px;
    height: 30px;
    font-size: 10px;
  }
  .flow-step__header {
    padding: 14px 16px;
    gap: 10px;
  }
  .flow-step__icon {
    display: none;
  }
}

/* ── end AI Integration Flowchart ─────────────────────────── */

/* ══════════════════════════════════════════════════════════════
   Real-world UX additions
   ══════════════════════════════════════════════════════════════ */

/* ── 1. Copy button on code blocks ───────────────────────── */
.devai-copy-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #a0a8b8;
  font-size: 11px;
  font-weight: 600;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
  z-index: 2;
  letter-spacing: 0.01em;
  user-select: none;
}

.devai-copy-btn:hover {
  background: rgba(255, 255, 255, 0.13);
  color: #e0e4ec;
  border-color: rgba(255, 255, 255, 0.2);
}

.devai-copy-btn.is-copied {
  background: rgba(52, 199, 89, 0.15);
  border-color: rgba(52, 199, 89, 0.3);
  color: #34c759;
}

.devai-copy-btn svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}

/* ── 2. Difficulty badge ─────────────────────────────────── */
.devai-difficulty {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.devai-difficulty--beginner {
  background: rgba(52, 199, 89, 0.1);
  color: #1a7f37;
  border: 1px solid rgba(52, 199, 89, 0.25);
}

.devai-difficulty--intermediate {
  background: rgba(255, 159, 10, 0.1);
  color: #b55c00;
  border: 1px solid rgba(255, 159, 10, 0.3);
}

.devai-difficulty--advanced {
  background: rgba(255, 59, 48, 0.08);
  color: #c0392b;
  border: 1px solid rgba(255, 59, 48, 0.2);
}

.devai-difficulty__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.devai-difficulty--beginner .devai-difficulty__dot  { background: #34c759; }
.devai-difficulty--intermediate .devai-difficulty__dot { background: #ff9f0a; }
.devai-difficulty--advanced .devai-difficulty__dot    { background: #ff3b30; }

/* card-level difficulty (on index.html toc cards) */
.toc-panel__difficulty {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  margin-top: 4px;
  padding: 2px 0;
}

/* ── 3. Resource prev/next navigation ────────────────────── */
.resource-nav {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 16px;
  max-width: 680px;
  margin: 0 auto;
}

.resource-nav__btn {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 18px 20px;
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.09);
  background: #fff;
  text-decoration: none !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  min-width: 0;
  cursor: pointer;
}

.resource-nav__btn:hover {
  border-color: rgba(0, 113, 227, 0.3);
  box-shadow: 0 6px 24px rgba(0, 113, 227, 0.1);
  transform: translateY(-2px);
  text-decoration: none !important;
}

.resource-nav__btn--prev { align-items: flex-start; }
.resource-nav__btn--next { align-items: flex-end;   }

.resource-nav__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: #8e8e93;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.resource-nav__title {
  font-size: 14px;
  font-weight: 650;
  color: #0071e3;
  line-height: 1.3;
  max-width: 22ch;
}

.resource-nav__btn--next .resource-nav__title {
  text-align: right;
}

/* placeholder if only one direction */
.resource-nav__spacer { flex: 1; }

@media (max-width: 600px) {
  .resource-nav { flex-direction: column; }
  .resource-nav__btn--next .resource-nav__title { text-align: left; }
}

/* ── 4. Back-to-top button ───────────────────────────────── */
.devai-back-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #1d1d1f;
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.2s ease, box-shadow 0.2s ease;
  z-index: 900;
}

.devai-back-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.devai-back-top:hover {
  background: #fff;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.16);
  color: #0071e3;
}

.devai-back-top svg {
  width: 16px;
  height: 16px;
}

/* ── end real-world UX additions ─────────────────────────── */