/* ==========================================================================
   Clearview — main.css
   ========================================================================== */

/* ------------------------------------------------------------------
   1. CSS Custom Properties
   ------------------------------------------------------------------ */
:root {
  --clr-primary:        #2563eb;
  --clr-primary-dark:   #1d4ed8;
  --clr-primary-light:  #dbeafe;
  --clr-secondary:      #64748b;
  --clr-dark:           #0f172a;
  --clr-body:           #334155;
  --clr-muted:          #64748b;
  --clr-border:         #e2e8f0;
  --clr-bg:             #f8fafc;
  --clr-white:          #ffffff;
  --clr-card-bg:        #ffffff;

  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-serif: Georgia, 'Times New Roman', Times, serif;
  --font-mono:  'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;

  --leading-tight:  1.25;
  --leading-snug:   1.375;
  --leading-normal: 1.6;
  --leading-relaxed:1.75;

  --radius-sm:  0.25rem;
  --radius:     0.5rem;
  --radius-lg:  0.75rem;
  --radius-xl:  1rem;
  --radius-full:9999px;

  --shadow-sm:  0 1px 2px 0 rgba(0,0,0,.05);
  --shadow:     0 1px 3px 0 rgba(0,0,0,.1), 0 1px 2px -1px rgba(0,0,0,.1);
  --shadow-md:  0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);
  --shadow-lg:  0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1);
  --shadow-xl:  0 20px 25px -5px rgba(0,0,0,.1), 0 8px 10px -6px rgba(0,0,0,.1);

  --container-width: 1200px;
  --container-narrow: 780px;
  --spacing-header:   70px;

  --transition-base:  150ms ease;
  --transition-slow:  300ms ease;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--clr-body);
  background-color: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--clr-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-base), opacity var(--transition-base);
}
a:hover { color: var(--clr-primary-dark); }

button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

ul, ol { padding-left: 1.5em; }
li { margin-bottom: 0.25em; }

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--clr-dark);
  margin-bottom: 0.5em;
}
h1 { font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl)); }
h2 { font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl)); }
h3 { font-size: clamp(var(--text-xl),  3vw, var(--text-3xl)); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p { margin-bottom: 1.25em; }
p:last-child { margin-bottom: 0; }

blockquote {
  border-left: 4px solid var(--clr-primary);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--clr-primary-light);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: var(--text-lg);
  color: var(--clr-dark);
}
blockquote cite { display: block; font-size: var(--text-sm); color: var(--clr-muted); margin-top: 0.5rem; }

code, kbd, samp {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: #f1f5f9;
  border-radius: var(--radius-sm);
  padding: 0.1em 0.4em;
}
pre {
  background: var(--clr-dark);
  color: #e2e8f0;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin: 1.5rem 0;
}
pre code { background: none; padding: 0; color: inherit; font-size: var(--text-sm); }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: var(--text-sm);
}
th, td { padding: 0.75rem 1rem; border: 1px solid var(--clr-border); text-align: left; }
th { background: var(--clr-bg); font-weight: 600; color: var(--clr-dark); }
tr:hover td { background: #f8fafc; }

hr {
  border: none;
  border-top: 1px solid var(--clr-border);
  margin: 2rem 0;
}

abbr[title] { text-decoration: underline dotted; cursor: help; }

/* ------------------------------------------------------------------
   3. Accessibility helpers
   ------------------------------------------------------------------ */
.screen-reader-text {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--clr-primary);
  color: var(--clr-white);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-weight: 600;
  z-index: 9999;
  text-decoration: none;
  transition: top var(--transition-base);
}
.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 3px solid var(--clr-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ------------------------------------------------------------------
   4. Layout helpers
   ------------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.container-narrow {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-main {
  flex: 1;
}

/* Content area with optional sidebar */
.content-area {
  display: grid;
  gap: 3rem;
  padding-block: 3rem;
}

.layout-sidebar-right  { grid-template-columns: 1fr 320px; }
.layout-sidebar-left   { grid-template-columns: 320px 1fr; }
.layout-full           { grid-template-columns: 1fr; }

.layout-sidebar-left .sidebar { order: -1; }

@media (max-width: 1024px) {
  .layout-sidebar-right,
  .layout-sidebar-left {
    grid-template-columns: 1fr;
  }
  .layout-sidebar-left .sidebar { order: unset; }
}

/* ------------------------------------------------------------------
   5. Buttons
   ------------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base),
              border-color var(--transition-base), box-shadow var(--transition-base),
              transform var(--transition-base);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--clr-primary);
  color: var(--clr-white);
  border-color: var(--clr-primary);
}
.btn-primary:hover {
  background: var(--clr-primary-dark);
  border-color: var(--clr-primary-dark);
  color: var(--clr-white);
}

.btn-outline {
  background: transparent;
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}
.btn-outline:hover {
  background: var(--clr-primary);
  color: var(--clr-white);
}

.btn-ghost {
  background: transparent;
  color: var(--clr-body);
}
.btn-ghost:hover {
  background: var(--clr-border);
}

.btn-sm  { padding: 0.4rem 0.875rem; font-size: var(--text-xs); }
.btn-lg  { padding: 0.875rem 1.75rem; font-size: var(--text-base); }

/* ------------------------------------------------------------------
   6. Site Header
   ------------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--clr-border);
  transition: box-shadow var(--transition-slow), transform var(--transition-slow);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: var(--spacing-header);
}

/* Branding */
.site-branding {
  flex-shrink: 0;
}

.site-name-link {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--clr-dark);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.site-name-link:hover { color: var(--clr-primary); }

.site-description {
  font-size: var(--text-xs);
  color: var(--clr-muted);
  margin: 0;
}

.custom-logo { max-height: 50px; width: auto; }
.custom-logo-link { display: flex; align-items: center; text-decoration: none; }

/* Main navigation */
.main-navigation {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.main-navigation ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.main-navigation li { position: relative; margin: 0; }

.main-navigation a {
  display: block;
  padding: 0.5rem 0.875rem;
  color: var(--clr-body);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius);
  transition: color var(--transition-base), background var(--transition-base);
}

.main-navigation a:hover,
.main-navigation .current-menu-item > a,
.main-navigation .current-menu-parent > a {
  color: var(--clr-primary);
  background: var(--clr-primary-light);
}

/* Dropdowns */
.main-navigation .sub-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  min-width: 200px;
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: 50;
  display: flex;
  flex-direction: column;
  padding: 0.5rem;
}

.main-navigation .menu-item-has-children:hover > .sub-menu,
.main-navigation .menu-item-has-children:focus-within > .sub-menu,
.main-navigation .menu-item-has-children.is-focused > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.main-navigation .sub-menu a {
  font-size: var(--text-sm);
  white-space: nowrap;
  border-radius: var(--radius-sm);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  border-radius: var(--radius);
  transition: background var(--transition-base);
}
.menu-toggle:hover { background: var(--clr-bg); }
.menu-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-dark);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(2) {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Search toggle button */
.search-toggle {
  padding: 0.5rem;
  border-radius: var(--radius);
  color: var(--clr-body);
  transition: background var(--transition-base), color var(--transition-base);
  flex-shrink: 0;
}
.search-toggle:hover,
.search-toggle[aria-expanded="true"] {
  background: var(--clr-primary-light);
  color: var(--clr-primary);
}

/* Header search form */
.header-search {
  border-top: 1px solid var(--clr-border);
  padding-block: 1rem;
  background: var(--clr-white);
  animation: slideDown 200ms ease;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Mobile responsive nav */
@media (max-width: 768px) {
  .menu-toggle { display: flex; }

  .main-navigation {
    position: fixed;
    inset: var(--spacing-header) 0 0;
    background: var(--clr-white);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: 1.5rem;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    box-shadow: var(--shadow-xl);
    z-index: 99;
  }

  .main-navigation.is-open {
    transform: translateX(0);
  }

  .main-navigation ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .main-navigation a {
    padding: 0.875rem 1rem;
    font-size: var(--text-base);
    border-radius: var(--radius);
  }

  .main-navigation .sub-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--clr-bg);
    border-radius: var(--radius);
    margin: 0.25rem 0 0.25rem 1rem;
  }
}

/* ------------------------------------------------------------------
   7. Hero Section
   ------------------------------------------------------------------ */
.hero-section {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #2563eb 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(96,165,250,0.25) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(37,99,235,0.3) 0%, transparent 60%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
  padding-block: 6rem;
}

.hero-content { max-width: 680px; }

.hero-heading {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  color: var(--clr-white);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-subheading {
  font-size: clamp(var(--text-base), 2.5vw, var(--text-xl));
  color: rgba(255,255,255,0.8);
  line-height: var(--leading-relaxed);
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-actions .btn-primary {
  background: var(--clr-white);
  color: var(--clr-primary);
  border-color: var(--clr-white);
}
.hero-actions .btn-primary:hover {
  background: var(--clr-primary-light);
  color: var(--clr-primary-dark);
}

.hero-actions .btn-outline {
  color: var(--clr-white);
  border-color: rgba(255,255,255,0.5);
}
.hero-actions .btn-outline:hover {
  background: rgba(255,255,255,0.1);
}

.hero-logo .custom-logo { max-height: 80px; filter: brightness(0) invert(1); }

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.6);
  cursor: pointer;
  animation: bounce 2s infinite;
  z-index: 2;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-logo  { display: none; }
  .hero-actions { justify-content: center; }
}

/* ------------------------------------------------------------------
   8. Page Headers
   ------------------------------------------------------------------ */
.page-header {
  background: var(--clr-dark);
  padding-block: 3rem 2.5rem;
  color: var(--clr-white);
}

.page-header .page-title {
  color: var(--clr-white);
  margin-bottom: 0.5rem;
}

.archive-description {
  color: rgba(255,255,255,0.7);
  font-size: var(--text-lg);
  max-width: 640px;
}
.archive-description p { color: inherit; }

/* ------------------------------------------------------------------
   9. Post Cards (grid)
   ------------------------------------------------------------------ */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.post-card {
  background: var(--clr-card-bg);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  border: 1px solid var(--clr-border);
}
.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.post-card-image {
  aspect-ratio: 3/2;
  overflow: hidden;
  background: var(--clr-border);
}
.post-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}
.post-card:hover .post-card-image img { transform: scale(1.04); }

.post-card-image-link { display: block; }

.post-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.post-card-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: 0.875rem;
}

.category-badge {
  display: inline-block;
  padding: 0.2rem 0.625rem;
  background: var(--clr-primary-light);
  color: var(--clr-primary);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: background var(--transition-base), color var(--transition-base);
}
.category-badge:hover {
  background: var(--clr-primary);
  color: var(--clr-white);
}

.post-card-title {
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: var(--leading-snug);
  margin-bottom: 0.75rem;
  flex-grow: 1;
}
.post-card-title a {
  color: var(--clr-dark);
  text-decoration: none;
}
.post-card-title a:hover { color: var(--clr-primary); }

.post-card-excerpt {
  color: var(--clr-muted);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin-bottom: 1.25rem;
}
.post-card-excerpt p { color: inherit; margin-bottom: 0; }

.post-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--clr-border);
}

.post-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-xs);
  color: var(--clr-muted);
}
.post-card-meta a { color: inherit; text-decoration: none; }
.post-card-meta a:hover { color: var(--clr-primary); }
.post-card-meta .posted-on,
.post-card-meta .byline,
.post-card-meta .reading-time { display: flex; align-items: center; gap: 0.25rem; }
.post-card-meta .reading-time::before { content: '·'; }
.post-card-meta .byline::before      { content: '·'; }

.read-more {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--clr-primary);
  text-decoration: none;
  white-space: nowrap;
}
.read-more:hover { text-decoration: underline; }

/* ------------------------------------------------------------------
   10. Posts List (archive/search)
   ------------------------------------------------------------------ */
.posts-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ------------------------------------------------------------------
   11. Single Post Entry
   ------------------------------------------------------------------ */
.single-entry { background: var(--clr-white); }

.single-thumbnail {
  width: 100%;
  max-height: 520px;
  overflow: hidden;
}
.single-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.entry-inner { padding-block: 2.5rem 3rem; }

.entry-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.entry-header { margin-bottom: 2rem; }

.entry-title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-sm);
  color: var(--clr-muted);
}
.entry-meta a { color: inherit; text-decoration: none; }
.entry-meta a:hover { color: var(--clr-primary); }
.entry-meta .byline::before { content: '·'; margin-right: 0.25rem; }
.entry-meta .reading-time::before { content: '·'; margin-right: 0.25rem; }

/* Entry content typography */
.entry-content {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--clr-body);
}

.entry-content > * + * { margin-top: 1.5rem; }

.entry-content h2 { margin-top: 2.5rem; }
.entry-content h3 { margin-top: 2rem; }
.entry-content h4 { margin-top: 1.75rem; }

.entry-content a { font-weight: 500; }

.entry-content img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.entry-content figure { margin: 2rem 0; }
.entry-content figcaption {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--clr-muted);
  margin-top: 0.5rem;
}

.entry-content ul, .entry-content ol { padding-left: 1.75rem; }
.entry-content li { margin-bottom: 0.5em; }

.entry-footer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--clr-border);
}

.entry-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.tags-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--clr-muted);
}

.tag-link {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--clr-bg);
  color: var(--clr-body);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  text-decoration: none;
  transition: background var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}
.tag-link:hover {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: var(--clr-white);
}

/* Copy link button */
.copy-link-btn {
  margin-top: 1rem;
  padding: 0.4rem 0.875rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--clr-muted);
  background: var(--clr-white);
  transition: all var(--transition-base);
}
.copy-link-btn:hover { border-color: var(--clr-primary); color: var(--clr-primary); }
.copy-link-btn.is-copied { border-color: #10b981; color: #10b981; }

/* Reading progress bar */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--clr-primary);
  z-index: 9999;
  transition: width 100ms linear;
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

/* ------------------------------------------------------------------
   12. Post Navigation
   ------------------------------------------------------------------ */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-block: 2.5rem;
  padding-block: 2.5rem;
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}

.nav-previous a,
.nav-next a {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-decoration: none;
  color: var(--clr-body);
  padding: 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.nav-previous a:hover,
.nav-next a:hover {
  border-color: var(--clr-primary);
  box-shadow: var(--shadow);
}

.nav-next a { align-items: flex-end; text-align: right; }

.nav-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr-primary);
}

.nav-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--clr-dark);
}

@media (max-width: 600px) {
  .post-navigation { grid-template-columns: 1fr; }
  .nav-next a { align-items: flex-start; text-align: left; }
}

/* ------------------------------------------------------------------
   13. Author Bio
   ------------------------------------------------------------------ */
.author-bio {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 2rem;
  background: var(--clr-bg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--clr-border);
  margin-block: 2.5rem;
}

.author-avatar .avatar {
  border-radius: 50%;
  border: 3px solid var(--clr-white);
  box-shadow: var(--shadow-md);
  width: 80px;
  height: 80px;
  object-fit: cover;
}

.author-name {
  font-size: var(--text-lg);
  margin-bottom: 0.5rem;
}
.author-name a { text-decoration: none; color: var(--clr-dark); }
.author-name a:hover { color: var(--clr-primary); }

.author-description {
  font-size: var(--text-sm);
  color: var(--clr-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: 0.75rem;
}

.author-posts-link {
  font-size: var(--text-sm);
  font-weight: 600;
}

@media (max-width: 600px) {
  .author-bio { flex-direction: column; }
}

/* ------------------------------------------------------------------
   14. Pagination
   ------------------------------------------------------------------ */
.pagination { margin-top: 3rem; }

.pagination-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
  justify-content: center;
}

.pagination-list li a,
.pagination-list li span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 0.75rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  color: var(--clr-body);
  background: var(--clr-white);
  transition: all var(--transition-base);
}

.pagination-list li a:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}

.pagination-list li.active span,
.pagination-list li .current {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: var(--clr-white);
}

/* ------------------------------------------------------------------
   15. Search Results
   ------------------------------------------------------------------ */
.search-count {
  font-size: var(--text-sm);
  color: var(--clr-muted);
  margin-bottom: 1.5rem;
}

.post-search-result {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}
.post-search-result:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--clr-primary);
}

.search-result-image {
  flex-shrink: 0;
  width: 120px;
  height: 100px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--clr-border);
}
.search-result-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.post-search-result:hover .search-result-image img { transform: scale(1.06); }

.search-result-body { flex: 1; }

.search-result-body .entry-title { font-size: var(--text-xl); margin-bottom: 0.5rem; }

.entry-summary {
  font-size: var(--text-sm);
  color: var(--clr-muted);
  margin-bottom: 1rem;
  line-height: var(--leading-relaxed);
}
.entry-summary p { color: inherit; margin-bottom: 0; }

@media (max-width: 600px) {
  .post-search-result { flex-direction: column; }
  .search-result-image { width: 100%; height: 180px; }
}

/* ------------------------------------------------------------------
   16. Breadcrumbs
   ------------------------------------------------------------------ */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
  font-size: var(--text-sm);
  color: var(--clr-muted);
  margin-bottom: 1rem;
}

.breadcrumbs a { color: var(--clr-muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--clr-primary); }

.breadcrumb-sep { color: var(--clr-border); user-select: none; }

/* ------------------------------------------------------------------
   17. Sidebar
   ------------------------------------------------------------------ */
.sidebar-inner {
  position: sticky;
  top: calc(var(--spacing-header) + 1.5rem);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.widget {
  padding: 1.5rem;
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
}

.widget-title {
  font-size: var(--text-base);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr-dark);
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--clr-primary);
  margin-bottom: 1.25rem;
}

.widget ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.widget li {
  padding-block: 0.4rem;
  border-bottom: 1px solid var(--clr-border);
  font-size: var(--text-sm);
  margin: 0;
}
.widget li:last-child { border-bottom: none; }
.widget li a { color: var(--clr-body); text-decoration: none; }
.widget li a:hover { color: var(--clr-primary); }

.widget_search .search-form { margin: 0; }

/* ------------------------------------------------------------------
   18. Search Form
   ------------------------------------------------------------------ */
.search-form { width: 100%; }

.search-form-inner {
  display: flex;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--clr-white);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.search-form-inner:focus-within {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-light);
}

.search-field {
  flex: 1;
  border: none;
  padding: 0.625rem 1rem;
  font-size: var(--text-sm);
  background: transparent;
  outline: none;
  color: var(--clr-body);
  min-width: 0;
}
.search-field::placeholder { color: var(--clr-muted); }

.search-submit {
  padding: 0.625rem 1rem;
  background: var(--clr-primary);
  color: var(--clr-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: background var(--transition-base);
}
.search-submit:hover { background: var(--clr-primary-dark); }

.search-form-wrapper { margin-top: 1.5rem; max-width: 480px; }

/* ------------------------------------------------------------------
   19. 404 Page
   ------------------------------------------------------------------ */
.error-404 { padding-block: 5rem; }

.error-404-inner { text-align: center; max-width: 520px; margin-inline: auto; }

.error-code {
  font-size: clamp(6rem, 20vw, 12rem);
  font-weight: 800;
  color: var(--clr-border);
  line-height: 1;
  margin-bottom: 0;
  letter-spacing: -0.05em;
}

.error-404 .page-title { font-size: var(--text-3xl); }

.error-message {
  color: var(--clr-muted);
  margin-bottom: 2rem;
}

.error-search { max-width: 400px; margin: 0 auto 2rem; }

/* ------------------------------------------------------------------
   20. No Results
   ------------------------------------------------------------------ */
.no-results {
  padding-block: 3rem;
  text-align: center;
}
.no-results-inner { max-width: 480px; margin-inline: auto; }
.no-results-title { margin-bottom: 1rem; }
.no-results .search-form { margin-top: 1.5rem; }

/* ------------------------------------------------------------------
   21. Page entry (pages)
   ------------------------------------------------------------------ */
.page-entry .entry-header { margin-bottom: 2rem; }
.page-entry .entry-content { max-width: var(--container-narrow); }

/* ------------------------------------------------------------------
   22. Comments
   ------------------------------------------------------------------ */
.comments-area {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 2px solid var(--clr-border);
}

.comments-title {
  font-size: var(--text-2xl);
  margin-bottom: 2rem;
}

.comment-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.comment-item { padding: 0; margin: 0; }

.comment-body {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}

.comment-meta {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.comment-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  flex-shrink: 0;
  object-fit: cover;
}

.comment-author-info .fn { font-weight: 600; font-size: var(--text-sm); }
.comment-author-info .fn a { color: var(--clr-dark); text-decoration: none; }
.comment-author-info .fn a:hover { color: var(--clr-primary); }

.comment-date {
  display: block;
  font-size: var(--text-xs);
  color: var(--clr-muted);
  margin-top: 0.125rem;
}
.comment-date a { color: inherit; text-decoration: none; }
.comment-date a:hover { color: var(--clr-primary); }

.comment-awaiting-moderation {
  font-size: var(--text-xs);
  color: #d97706;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.5rem;
  margin-top: 0.5rem;
}

.comment-content { font-size: var(--text-sm); line-height: var(--leading-relaxed); }
.comment-content p { margin-bottom: 0.75em; }
.comment-content p:last-child { margin-bottom: 0; }

.comment-footer {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--clr-border);
  display: flex;
  gap: 1rem;
  font-size: var(--text-xs);
}

.comment-reply-link {
  font-weight: 600;
  color: var(--clr-primary);
  text-decoration: none;
}
.comment-reply-link:hover { text-decoration: underline; }

.comment-navigation {
  margin-block: 2rem;
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
}

/* Nested comments */
.comment-list .children {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Comment form */
#respond { margin-top: 2.5rem; }

.comment-reply-title {
  font-size: var(--text-2xl);
  margin-bottom: 1.5rem;
}

#commentform {
  display: grid;
  gap: 1.25rem;
}

#commentform .comment-form-author,
#commentform .comment-form-email,
#commentform .comment-form-url {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

#commentform label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--clr-dark);
}

#commentform input[type="text"],
#commentform input[type="email"],
#commentform input[type="url"],
#commentform textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  background: var(--clr-white);
  color: var(--clr-body);
}

#commentform input:focus,
#commentform textarea:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-light);
}

#commentform textarea { min-height: 160px; resize: vertical; }

#commentform .form-submit { margin-top: 0.5rem; }

.submit.btn.btn-primary { cursor: pointer; }

.char-counter {
  font-size: var(--text-xs);
  color: var(--clr-muted);
  text-align: right;
  margin-top: 0.25rem;
}

.comment-form-cookies-consent label { font-weight: 400; display: flex; align-items: flex-start; gap: 0.5rem; }
.comment-form-cookies-consent input { margin-top: 2px; flex-shrink: 0; }

@media (min-width: 640px) {
  #commentform {
    grid-template-columns: 1fr 1fr;
  }
  #commentform .comment-form-comment,
  #commentform .comment-form-cookies-consent,
  #commentform .form-submit {
    grid-column: 1 / -1;
  }
}

/* ------------------------------------------------------------------
   23. Footer
   ------------------------------------------------------------------ */
.footer-widgets {
  background: var(--clr-dark);
  padding-block: 3rem;
}

.footer-widgets-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
}

.footer-widget-col .widget {
  background: transparent;
  border: none;
  padding: 0;
  border-radius: 0;
}
.footer-widget-col .widget-title {
  color: var(--clr-white);
  border-bottom-color: var(--clr-primary);
}
.footer-widget-col .widget a {
  color: rgba(255,255,255,0.7);
}
.footer-widget-col .widget a:hover {
  color: var(--clr-white);
}
.footer-widget-col .widget li {
  border-bottom-color: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
}
.footer-widget-col .widget p {
  color: rgba(255,255,255,0.7);
  font-size: var(--text-sm);
}

.footer-bar {
  background: #020617;
  padding-block: 1.25rem;
}

.footer-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-credit {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
}
.footer-credit a { color: rgba(255,255,255,0.7); }
.footer-credit a:hover { color: var(--clr-white); }

.footer-menu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}
.footer-menu a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  text-decoration: none;
}
.footer-menu a:hover { color: var(--clr-white); }

.social-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 0.75rem;
}
.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: var(--text-xs);
  transition: background var(--transition-base), color var(--transition-base);
}
.social-links a:hover {
  background: var(--clr-primary);
  color: var(--clr-white);
}

/* ------------------------------------------------------------------
   24. Back to Top
   ------------------------------------------------------------------ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--clr-primary);
  color: var(--clr-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: 50;
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--clr-primary-dark);
  transform: translateY(-2px);
}

/* ------------------------------------------------------------------
   25. Entrance animations
   ------------------------------------------------------------------ */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger for grid children */
.posts-grid .post-card:nth-child(2) { transition-delay: 80ms; }
.posts-grid .post-card:nth-child(3) { transition-delay: 160ms; }
.posts-grid .post-card:nth-child(4) { transition-delay: 240ms; }
.posts-grid .post-card:nth-child(5) { transition-delay: 320ms; }
.posts-grid .post-card:nth-child(6) { transition-delay: 400ms; }

/* Respect motion preferences */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .fade-up { opacity: 1; transform: none; }
}

/* ------------------------------------------------------------------
   26. Edit links
   ------------------------------------------------------------------ */
.edit-link a {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--clr-muted);
  text-decoration: none;
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
}
.edit-link a:hover { color: var(--clr-primary); border-color: var(--clr-primary); }

/* ------------------------------------------------------------------
   27. Page links (multi-page posts)
   ------------------------------------------------------------------ */
.page-links {
  margin-block: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: var(--text-sm);
  font-weight: 600;
}
.page-links a {
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--clr-body);
}
.page-links a:hover { border-color: var(--clr-primary); color: var(--clr-primary); }

/* ------------------------------------------------------------------
   28. WordPress Core Classes
   ------------------------------------------------------------------ */
.alignleft  { float: left; margin-right: 1.5rem; margin-bottom: 1rem; }
.alignright { float: right; margin-left: 1.5rem; margin-bottom: 1rem; }
.aligncenter { display: block; margin-inline: auto; margin-bottom: 1rem; }
.alignwide  { max-width: 1000px; margin-inline: auto; }
.alignfull  { width: 100vw; margin-inline: calc(50% - 50vw); }

.wp-caption { max-width: 100%; }
.wp-caption-text {
  font-size: var(--text-sm);
  color: var(--clr-muted);
  text-align: center;
  margin-top: 0.5rem;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(var(--gallery-columns, 3), 1fr);
  gap: 0.5rem;
  margin: 1.5rem 0;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
}

.sticky { /* WordPress sticky posts */ }

.bypostauthor { /* WordPress by post author */ }

/* ------------------------------------------------------------------
   29. WP Block Editor alignment
   ------------------------------------------------------------------ */
.wp-block-image img { border-radius: var(--radius-lg); }
.wp-block-quote {
  border-left: 4px solid var(--clr-primary);
  padding: 1rem 1.5rem;
  background: var(--clr-primary-light);
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* ------------------------------------------------------------------
   30. Print styles
   ------------------------------------------------------------------ */
@media print {
  .site-header,
  .sidebar,
  .footer-widgets,
  .footer-bar,
  .back-to-top,
  .reading-progress,
  .hero-section,
  .post-navigation,
  #comments { display: none !important; }

  body { font-size: 12pt; color: #000; background: #fff; }
  a { color: #000; text-decoration: underline; }
  .container { max-width: 100%; padding: 0; }
  .content-area { grid-template-columns: 1fr; }
  .entry-content { font-size: 11pt; }
}