/* =========================================================
   AutoAIWebsites.com - Main Stylesheet
   ========================================================= */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--color-bg-primary, #0a0a0c);
  color: var(--color-text-primary, #eeeef5);
  font-family: var(--font-body, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif);
  font-size: 1rem;
  line-height: 1.65;
  padding-top: var(--header-height, 64px);
  min-height: 100vh;
}

a { color: var(--color-accent-teal, #00d4cc); text-decoration: none; }
a:hover { color: var(--color-text-primary, #eeeef5); }

img { max-width: 100%; display: block; }

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading, 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--color-text-primary, #eeeef5);
}

/* --- Design Tokens fallbacks --- */
:root {
  --color-bg-primary: #0a0a0c;
  --color-bg-secondary: #111116;
  --color-bg-card: #16161e;
  --color-bg-card-hover: #1c1c26;
  --color-border: #2a2a38;
  --color-text-primary: #eeeef5;
  --color-text-secondary: #a0a0b8;
  --color-text-muted: #66667a;
  --color-accent-teal: #00d4cc;
  --color-accent-teal-dim: #009e98;
  --color-accent-blue: #4488ff;
  --color-accent-blue-dim: #2266dd;
  --header-height: 64px;
  --font-heading: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --max-width: 1240px;
  --gutter: clamp(1rem, 4vw, 2rem);
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(10, 10, 12, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}

/* --- Logo --- */
.site-logo {
  display: flex;
  align-items: baseline;
  gap: 0;
  text-decoration: none;
  flex-shrink: 0;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1;
}
.site-logo__auto { color: var(--color-text-secondary); }
.site-logo__ai   { color: var(--color-accent-teal); font-weight: 500; }
.site-logo__websites { color: var(--color-text-primary); }
.site-logo__tld  { color: var(--color-text-muted); font-size: 0.85em; }

/* --- Nav --- */
.site-nav { margin-left: auto; }

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav__item { position: relative; }

.site-nav__item > a {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.4rem 0.75rem;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  white-space: nowrap;
  transition: color 0.15s;
}
.site-nav__item > a:hover,
.site-nav__item > a.is-active { color: var(--color-text-primary); }

.nav-link--teal { color: var(--color-accent-teal) !important; }
.nav-link--teal:hover { color: var(--color-accent-teal-dim) !important; }

.nav-chevron {
  font-size: 0.7em;
  opacity: 0.6;
  transition: transform 0.2s;
  display: inline-block;
}
.site-nav__item--has-dropdown.dropdown-open .nav-chevron { transform: rotate(180deg); }

/* --- Dropdown --- */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 220px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.5rem 0;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0.15s;
  z-index: 200;
}

.site-nav__item--has-dropdown.dropdown-open .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0s;
}

.nav-dropdown li a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  transition: color 0.12s, background 0.12s;
}
.nav-dropdown li a:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-card-hover);
}

/* --- Hamburger --- */
.nav-hamburger {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  margin-left: auto;
  color: var(--color-text-secondary);
}
.nav-hamburger span:not(.nav-hamburger__label) {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}
.nav-hamburger__label {
  font-size: 0.5rem;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-top: 2px;
  line-height: 1;
}
.nav-hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.nav-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-4px) rotate(-45deg); }

/* --- Page Wrapper --- */
.page-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem var(--gutter) 4rem;
}

/* --- Breadcrumbs --- */
.breadcrumbs { margin-bottom: 1.5rem; }

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.breadcrumbs__item + .breadcrumbs__item::before {
  content: '/';
  margin-right: 0.5rem;
  color: var(--color-border);
}

.breadcrumbs__item a {
  color: var(--color-text-muted);
  transition: color 0.12s;
}
.breadcrumbs__item a:hover { color: var(--color-accent-teal); }
.breadcrumbs__item.is-current span { color: var(--color-text-secondary); }

/* --- Content Layout --- */
.content-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
  align-items: start;
}
.content-layout--full { grid-template-columns: 1fr; }

/* --- Prose --- */
.prose { color: var(--color-text-secondary); line-height: 1.75; }
.prose h2 { font-size: 1.4rem; font-weight: 300; margin: 2rem 0 0.75rem; color: var(--color-text-primary); }
.prose h3 { font-size: 1.15rem; font-weight: 400; margin: 1.5rem 0 0.5rem; color: var(--color-text-primary); }
.prose p { margin-bottom: 1.25rem; }
.prose ul, .prose ol { padding-left: 1.5rem; margin-bottom: 1.25rem; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: 0.4rem; }
.prose a { color: var(--color-accent-teal); }
.prose a:hover { text-decoration: underline; }
.prose strong { color: var(--color-text-primary); font-weight: 600; }
.prose blockquote {
  border-left: 3px solid var(--color-accent-teal);
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  color: var(--color-text-muted);
  font-style: italic;
}

/* --- Sidebar --- */
.content-sidebar { position: sticky; top: calc(var(--header-height) + 1.5rem); }

.sidebar-block {
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
}
.sidebar-block--teal  { border-color: var(--color-accent-teal); background: rgba(0,212,204,0.06); }
.sidebar-block--dark  { background: var(--color-bg-secondary); }

.sidebar-block__heading {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-primary);
  margin-bottom: 0.6rem;
}
.sidebar-block--teal .sidebar-block__heading { color: var(--color-accent-teal); }

.sidebar-block__body {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
  line-height: 1.55;
}

.sidebar-block__cta {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-accent-teal);
  color: #0a0a0c;
  transition: background 0.15s;
}
.sidebar-block__cta:hover { background: var(--color-accent-teal-dim); color: #0a0a0c; }
.sidebar-block--dark .sidebar-block__cta {
  background: transparent;
  border: 1px solid var(--color-accent-teal);
  color: var(--color-accent-teal);
}
.sidebar-block--dark .sidebar-block__cta:hover { background: rgba(0,212,204,0.1); color: var(--color-accent-teal); }

.sidebar-block__links li + li { margin-top: 0.4rem; }
.sidebar-block__links a {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  transition: color 0.12s;
}
.sidebar-block__links a:hover { color: var(--color-accent-teal); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  text-decoration: none;
  line-height: 1.3;
}
.btn--primary {
  background: var(--color-accent-teal);
  color: #0a0a0c;
}
.btn--primary:hover { background: var(--color-accent-teal-dim); color: #0a0a0c; }

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover { border-color: var(--color-text-secondary); color: var(--color-text-primary); }

.btn--teal {
  background: transparent;
  color: var(--color-accent-teal);
  border: 1px solid var(--color-accent-teal);
}
.btn--teal:hover { background: rgba(0,212,204,0.1); color: var(--color-accent-teal); }

/* --- Page Content --- */
.page-content .page-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 200;
  margin-bottom: 1.5rem;
  color: var(--color-text-primary);
}
.page-content .page-body { color: var(--color-text-secondary); }

/* --- Articles --- */
.article__header { margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--color-border); }

.article__cat-link {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-teal);
  margin-bottom: 0.75rem;
}
.article__cat-link:hover { color: var(--color-accent-teal-dim); }

.article__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 200;
  margin-bottom: 1rem;
}

.article__excerpt {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.article__updated {
  margin-top: 2rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* Related articles */
.related-articles { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--color-border); }
.related-articles__heading { font-size: 1.1rem; font-weight: 400; margin-bottom: 1.25rem; }
.related-articles__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }

.article-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color 0.15s, background 0.15s;
}
.article-card:hover { border-color: var(--color-accent-teal); background: var(--color-bg-card-hover); }

.article-card__cat {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-teal);
}
.article-card__title { font-size: 0.95rem; font-weight: 400; }
.article-card__title a { color: var(--color-text-primary); }
.article-card__title a:hover { color: var(--color-accent-teal); }
.article-card__excerpt { font-size: 0.8rem; color: var(--color-text-secondary); line-height: 1.5; flex: 1; }
.article-card__date { font-size: 0.75rem; color: var(--color-text-muted); }

/* Article list */
.article-list { display: flex; flex-direction: column; gap: 1.75rem; }
.article-list__item {
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--color-border);
}
.article-list__item:last-child { border-bottom: none; }
.article-list__cat {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-teal);
  margin-bottom: 0.4rem;
}
.article-list__title { font-size: 1.2rem; font-weight: 300; margin-bottom: 0.4rem; }
.article-list__title a { color: var(--color-text-primary); }
.article-list__title a:hover { color: var(--color-accent-teal); }
.article-list__excerpt { font-size: 0.875rem; color: var(--color-text-secondary); line-height: 1.6; }
.article-list__date { font-size: 0.75rem; color: var(--color-text-muted); margin-top: 0.4rem; display: block; }

/* --- Category --- */
.category-page__header { margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--color-border); }
.category-page__title { font-size: clamp(1.5rem, 3.5vw, 2.5rem); font-weight: 200; margin-bottom: 0.75rem; }
.category-page__description { color: var(--color-text-secondary); max-width: 680px; }

/* --- Library --- */
.library-page__header { margin-bottom: 2.5rem; }
.library-page__title { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 200; margin-bottom: 0.75rem; }
.library-page__intro { color: var(--color-text-secondary); }
.library-categories { margin-bottom: 3rem; }
.library-categories__heading { font-size: 1.1rem; font-weight: 400; margin-bottom: 1.25rem; }
.library-categories__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }

.cat-card {
  display: block;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: border-color 0.15s, background 0.15s;
  text-decoration: none;
}
.cat-card:hover { border-color: var(--color-accent-teal); background: var(--color-bg-card-hover); }
.cat-card__title { font-size: 1rem; font-weight: 400; color: var(--color-text-primary); margin-bottom: 0.4rem; }
.cat-card__desc { font-size: 0.8rem; color: var(--color-text-secondary); line-height: 1.5; }
.library-latest__heading { font-size: 1.1rem; font-weight: 400; margin-bottom: 1.25rem; }

/* --- Glossary --- */
.glossary-page__header { margin-bottom: 2rem; }
.glossary-page__title { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 200; margin-bottom: 0.75rem; }
.glossary-page__intro { color: var(--color-text-secondary); max-width: 680px; }
.glossary-alpha { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
.glossary-alpha__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  transition: border-color 0.12s, color 0.12s;
}
.glossary-alpha__link:hover { border-color: var(--color-accent-teal); color: var(--color-accent-teal); }

.glossary-letter { margin-bottom: 2.5rem; }
.glossary-letter__heading {
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--color-accent-teal);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
  margin-bottom: 0.75rem;
}
.glossary-letter__list { display: flex; flex-direction: column; gap: 0.5rem; }
.glossary-letter__item { font-size: 0.9rem; }
.glossary-letter__term { color: var(--color-text-primary); font-weight: 500; }
.glossary-letter__term:hover { color: var(--color-accent-teal); }
.glossary-letter__def { color: var(--color-text-secondary); }

/* Glossary term */
.glossary-term__header { margin-bottom: 1.5rem; padding-bottom: 1.25rem; border-bottom: 1px solid var(--color-border); }
.glossary-term__term { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 200; margin-bottom: 0.75rem; }
.glossary-term__short-def { font-size: 1.05rem; color: var(--color-text-secondary); }
.glossary-term__aka {
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.glossary-term__aka-label { font-weight: 600; color: var(--color-text-secondary); margin-right: 0.25rem; }
.glossary-term__definition { margin-bottom: 2rem; }
.glossary-term__related-heading { font-size: 1rem; font-weight: 400; margin-bottom: 0.75rem; }
.glossary-term__related-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.glossary-term__related-list li a {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  transition: border-color 0.12s, color 0.12s;
}
.glossary-term__related-list li a:hover { border-color: var(--color-accent-teal); color: var(--color-accent-teal); }
.glossary-term__back { margin-top: 2rem; font-size: 0.875rem; }

/* --- FAQ --- */
.faq-page__header { margin-bottom: 2rem; }
.faq-page__title { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 200; margin-bottom: 0.75rem; }
.faq-page__intro { color: var(--color-text-secondary); max-width: 680px; }
.faq-list { display: flex; flex-direction: column; gap: 0; }
.faq-item {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}
.faq-item:last-child { border-bottom: none; }
.faq-item__question { font-size: 1.1rem; font-weight: 400; margin-bottom: 0.5rem; }
.faq-item__question a { color: var(--color-text-primary); }
.faq-item__question a:hover { color: var(--color-accent-teal); }
.faq-item__answer { font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.6; }

.faq-item-page__header { margin-bottom: 1.5rem; padding-bottom: 1.25rem; border-bottom: 1px solid var(--color-border); }
.faq-item-page__question { font-size: clamp(1.5rem, 3.5vw, 2.25rem); font-weight: 200; margin-bottom: 0.75rem; }
.faq-item-page__short-answer { font-size: 1.05rem; color: var(--color-text-secondary); }
.faq-item-page__answer { margin-bottom: 2rem; }
.faq-item-page__related-heading { font-size: 1rem; font-weight: 400; margin-bottom: 0.75rem; }
.faq-item-page__related-list { display: flex; flex-direction: column; gap: 0.5rem; }
.faq-item-page__related-list li a { font-size: 0.875rem; color: var(--color-text-secondary); }
.faq-item-page__related-list li a:hover { color: var(--color-accent-teal); }
.faq-item-page__back { margin-top: 2rem; font-size: 0.875rem; }

/* --- Directory --- */
.directory-page__header { margin-bottom: 2rem; }
.directory-page__title { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 200; margin-bottom: 0.75rem; }
.directory-page__intro { color: var(--color-text-secondary); max-width: 680px; }

.dir-category-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
.dir-category-grid--sm { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }

.dir-cat-card {
  display: block;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: border-color 0.15s, background 0.15s;
  text-decoration: none;
}
.dir-cat-card:hover { border-color: var(--color-accent-teal); background: var(--color-bg-card-hover); }
.dir-cat-card__title { font-size: 1rem; font-weight: 500; color: var(--color-text-primary); margin-bottom: 0.4rem; }
.dir-cat-card__desc { font-size: 0.8rem; color: var(--color-text-secondary); line-height: 1.5; }
.dir-cat-card--sm { padding: 1rem; }

.directory-category-page__header { margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--color-border); }
.directory-category-page__title { font-size: clamp(1.5rem, 3.5vw, 2.5rem); font-weight: 200; margin-bottom: 0.5rem; }
.directory-category-page__desc { color: var(--color-text-secondary); max-width: 680px; }

.dir-subcats { margin-bottom: 2.5rem; }
.dir-subcats__heading { font-size: 1rem; font-weight: 400; margin-bottom: 1rem; }

.dir-listings__heading { font-size: 1rem; font-weight: 400; margin-bottom: 1rem; }
.dir-listing-list { display: flex; flex-direction: column; gap: 1rem; }

.dir-listing-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: border-color 0.15s;
}
.dir-listing-card:hover { border-color: var(--color-accent-teal); }
.dir-listing-card__title { font-size: 1rem; font-weight: 500; margin-bottom: 0.4rem; }
.dir-listing-card__title a { color: var(--color-text-primary); }
.dir-listing-card__title a:hover { color: var(--color-accent-teal); }
.dir-listing-card__excerpt { font-size: 0.875rem; color: var(--color-text-secondary); line-height: 1.6; margin-bottom: 0.5rem; }
.dir-listing-card__ext { font-size: 0.8rem; color: var(--color-accent-teal); }
.dir-listing-card__ext:hover { color: var(--color-accent-teal-dim); }

.dir-listing-page__header { margin-bottom: 1.5rem; padding-bottom: 1.25rem; border-bottom: 1px solid var(--color-border); }
.dir-listing-page__title { font-size: clamp(1.5rem, 3.5vw, 2.5rem); font-weight: 200; margin-bottom: 0.5rem; }
.dir-listing-page__excerpt { color: var(--color-text-secondary); font-size: 1.05rem; }

.dir-listing-page__fields {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1.5rem;
  margin-bottom: 2rem;
}
.dir-listing-page__field { display: contents; }
.dir-listing-page__field dt { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-muted); padding-top: 0.2rem; }
.dir-listing-page__field dd { font-size: 0.9rem; color: var(--color-text-secondary); }
.dir-listing-page__back { font-size: 0.875rem; }
.dir-back { margin-top: 2rem; font-size: 0.875rem; }

/* --- Contact Form --- */
.contact-page__header { margin-bottom: 2rem; }
.contact-page__title { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 200; margin-bottom: 0.75rem; }

.contact-form-wrap { max-width: 640px; }
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }

.form-field { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label { font-size: 0.85rem; font-weight: 600; color: var(--color-text-secondary); }
.form-input {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-size: 0.95rem;
  padding: 0.6rem 0.9rem;
  font-family: var(--font-body);
  transition: border-color 0.15s;
  width: 100%;
}
.form-input:focus { outline: none; border-color: var(--color-accent-teal); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-field--error .form-input { border-color: #ff6b6b; }
.form-error { font-size: 0.8rem; color: #ff6b6b; }
.form-field--honeypot { display: none !important; }
.form-actions { margin-top: 0.5rem; }

.form-alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}
.form-alert--success { background: rgba(0,212,100,0.1); border: 1px solid #00d464; color: #00d464; }
.form-alert--error { background: rgba(255,80,80,0.1); border: 1px solid #ff5050; color: #ff5050; }

/* --- Error Page --- */
.error-page {
  text-align: center;
  padding: 5rem 2rem;
}
.error-page__code {
  font-size: 6rem;
  font-weight: 200;
  color: var(--color-border);
  line-height: 1;
  margin-bottom: 1rem;
  font-family: var(--font-heading);
}
.error-page__heading { font-size: 1.75rem; font-weight: 300; margin-bottom: 0.75rem; }
.error-page__body { color: var(--color-text-secondary); margin-bottom: 2rem; }
.error-page__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* --- Footer --- */
.site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  margin-top: 4rem;
}
.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.site-footer__top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2.5rem;
  padding: 3rem 0 2rem;
}
.site-footer__brand-name {
  display: flex;
  align-items: baseline;
  font-size: 1.05rem;
  font-family: var(--font-heading);
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.site-footer__tagline { font-size: 0.8rem; color: var(--color-text-muted); line-height: 1.5; max-width: 260px; }
.site-footer__col-heading { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-text-muted); margin-bottom: 0.75rem; }
.site-footer__links { display: flex; flex-direction: column; gap: 0.5rem; }
.site-footer__links a { font-size: 0.85rem; color: var(--color-text-secondary); transition: color 0.12s; }
.site-footer__links a:hover { color: var(--color-accent-teal); }
.site-footer__bottom {
  border-top: 1px solid var(--color-border);
  padding: 1.25rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}
.site-footer__ai-links { display: flex; gap: 1rem; }
.site-footer__ai-links a { color: var(--color-text-muted); transition: color 0.12s; }
.site-footer__ai-links a:hover { color: var(--color-accent-teal); }

/* --- No content placeholder --- */
.no-content { color: var(--color-text-muted); font-style: italic; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .site-footer__top { grid-template-columns: 1fr 1fr; }
  .content-layout { grid-template-columns: 1fr; }
  .content-sidebar { position: static; }
}

@media (max-width: 768px) {
  .nav-hamburger { display: flex; }

  .site-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0;
    bottom: 0;
    background: rgba(10, 10, 12, 0.97);
    backdrop-filter: blur(12px);
    z-index: 999;
    overflow-y: auto;
    padding: 1.5rem var(--gutter);
  }
  .site-nav.site-nav--open { display: block; }

  .site-nav__list { flex-direction: column; align-items: flex-start; gap: 0; }
  .site-nav__item { width: 100%; border-bottom: 1px solid var(--color-border); }
  .site-nav__item:first-child { border-top: 1px solid var(--color-border); }
  .site-nav__item > a { width: 100%; padding: 0.9rem 0; font-size: 1rem; justify-content: space-between; }

  .nav-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0 0 0.5rem 1rem;
    background: transparent;
    display: none;
  }
  .site-nav__item--has-dropdown.dropdown-open .nav-dropdown { display: block; }
  .nav-dropdown li a { padding: 0.45rem 0; font-size: 0.9rem; }

  .site-footer__top { grid-template-columns: 1fr; gap: 2rem; }
  .site-footer__col-heading { font-size: 1rem; }
  .site-footer__links a { font-size: 1.05rem; }
  .site-footer__tagline { font-size: 1rem; }
  .site-footer__bottom { font-size: 0.95rem; }
  .site-footer__ai-links a { font-size: 0.95rem; }
  .related-articles__grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .dir-listing-page__fields { grid-template-columns: 1fr; }
  .dir-listing-page__field dt { margin-top: 0.5rem; }
}