/* ==========================================================================
   Lociax Software - Blog & Tech Portal Design System (styles.css)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  /* Color Palette - Dark Default */
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-tertiary: #1f293d;
  --bg-glass: rgba(17, 24, 39, 0.75);
  --bg-glass-hover: rgba(31, 41, 61, 0.85);

  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  --gradient-brand: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
  --gradient-card: linear-gradient(180deg, rgba(31, 41, 61, 0.6) 0%, rgba(17, 24, 39, 0.8) 100%);
  --gradient-hero: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);

  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(6, 182, 212, 0.4);

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px rgba(6, 182, 212, 0.25);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Overrides */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-glass-hover: rgba(241, 245, 249, 0.95);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --border-color: rgba(0, 0, 0, 0.08);
  --border-highlight: rgba(6, 182, 212, 0.5);

  --gradient-card: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 25px rgba(6, 182, 212, 0.15);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-blue);
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1.5rem;
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.brand-logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(6, 182, 212, 0.4));
}

.brand-sub {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  font-weight: 600;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Search Bar in Header */
.search-box {
  position: relative;
  width: 240px;
}

.search-input {
  width: 100%;
  padding: 0.5rem 1rem 0.5rem 2.5rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  outline: none;
  transition: all var(--transition-fast);
}

.search-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.2);
  width: 280px;
}

.search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: 0.9rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--gradient-brand);
  color: #ffffff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.4);
}

.btn-secondary {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--border-color);
  border-color: var(--accent-cyan);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.btn-icon:hover {
  color: var(--text-primary);
  border-color: var(--accent-cyan);
}

/* Theme Switcher */
.theme-toggle {
  cursor: pointer;
}

/* Reading Progress Bar */
.reading-progress-container {
  position: fixed;
  top: 72px;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 99;
}

.reading-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--gradient-brand);
  box-shadow: 0 0 10px var(--accent-cyan);
  transition: width 0.1s ease-out;
}

/* Hero Section */
.hero-section {
  padding: 3rem 0;
  position: relative;
}

.hero-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  transition: border-color var(--transition-normal);
}

.hero-card:hover {
  border-color: var(--border-highlight);
}

.hero-image-wrap {
  position: relative;
  min-height: 380px;
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.hero-card:hover .hero-image {
  transform: scale(1.03);
}

.hero-content {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.badge-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}

.badge-featured {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.badge-cat {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.hero-title {
  font-size: 2rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-excerpt {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.meta-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.author-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  font-weight: 600;
}

.author-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: white;
}

/* Category Filter Bar */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 2rem 0;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.category-pills {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.pill-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pill-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.pill-btn.active {
  background: var(--gradient-brand);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.3);
}

.pill-count {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.2);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-full);
}

/* Sort dropdown */
.sort-select {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  outline: none;
  cursor: pointer;
}

.sort-select:focus {
  border-color: var(--accent-cyan);
}

/* Posts Grid */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.post-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
  position: relative;
}

.post-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(6, 182, 212, 0.15);
}

.card-img-wrap {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: var(--bg-tertiary);
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.post-card:hover .card-img {
  transform: scale(1.05);
}

.card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-size: 1.2rem;
  margin: 0.75rem 0;
  line-height: 1.35;
  transition: color var(--transition-fast);
}

.post-card:hover .card-title {
  color: var(--accent-cyan);
}

.card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.action-icon-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  transition: all var(--transition-fast);
}

.action-icon-btn:hover {
  color: var(--accent-rose);
  background: rgba(244, 63, 94, 0.1);
}

.action-icon-btn.active {
  color: var(--accent-rose);
}

.bookmark-btn:hover {
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.1);
}

.bookmark-btn.active {
  color: var(--accent-amber);
}

/* Tech Diagnostic Calculator Widget */
.diagnostic-widget-section {
  background: var(--gradient-card);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 4rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
}

.widget-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.widget-title {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.widget-desc {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.diag-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent-cyan);
}

.diag-result-card {
  background: var(--bg-secondary);
  border: 1px dashed var(--accent-cyan);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
}

.est-price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-cyan);
  margin: 0.5rem 0;
}

.est-time {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* Newsletter Section */
.newsletter-section {
  background: var(--gradient-hero);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2rem;
  text-align: center;
  margin-bottom: 4rem;
}

.newsletter-box {
  max-width: 600px;
  margin: 0 auto;
}

.newsletter-title {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.newsletter-sub {
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.newsletter-form {
  display: flex;
  gap: 0.75rem;
}

.newsletter-input {
  flex: 1;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  outline: none;
  font-size: 0.95rem;
}

.newsletter-input:focus {
  border-color: var(--accent-cyan);
}

/* Reader Modal View */
.reader-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--bg-primary);
  z-index: 200;
  overflow-y: auto;
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.reader-modal.active {
  display: block;
  opacity: 1;
}

.reader-header-bar {
  position: sticky;
  top: 0;
  z-index: 210;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.reader-close-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  cursor: pointer;
}

.reader-close-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-cyan);
}

.reader-layout {
  max-width: 1100px;
  margin: 2rem auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 3rem;
}

.reader-toc {
  position: sticky;
  top: 100px;
  height: fit-content;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  border-radius: var(--radius-md);
}

.toc-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.toc-link {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.toc-link:hover, .toc-link.active {
  color: var(--accent-cyan);
  font-weight: 600;
}

.reader-article {
  max-width: 760px;
}

.reader-hero-img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
}

.reader-title {
  font-size: 2.5rem;
  margin-bottom: 1.25rem;
  line-height: 1.2;
}

.article-body {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.article-body p {
  margin-bottom: 1.5rem;
}

.article-body h2 {
  font-size: 1.6rem;
  margin: 2.5rem 0 1rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);

}

.article-body h3 {
  font-size: 1.3rem;
  margin: 2rem 0 0.75rem 0;
}

.article-body ul, .article-body ol {
  margin: 1rem 0 1.5rem 1.5rem;
}

.article-body li {
  margin-bottom: 0.5rem;
}

/* Callout Box */
.callout-box {
  background: rgba(6, 182, 212, 0.08);
  border-left: 4px solid var(--accent-cyan);
  padding: 1.25rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.75rem 0;
  font-size: 1rem;
}

.callout-title {
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Code Snippet Box */
.code-box {
  background: #0d1117;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
  overflow: hidden;
}

.code-header {
  background: #161b22;
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.code-copy-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.8rem;
}

.code-copy-btn:hover {
  color: var(--accent-cyan);
}

.code-body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #c9d1d9;
  overflow-x: auto;
  line-height: 1.5;
}

/* Article Author Bio */
.author-bio-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  margin: 3rem 0;
}

.bio-avatar {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.bio-name {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.bio-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Comments Section */
.comments-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.comments-title {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
}

.comment-input-wrap {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.comment-textarea {
  width: 100%;
  min-height: 100px;
  padding: 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  resize: vertical;
  outline: none;
}

.comment-textarea:focus {
  border-color: var(--accent-cyan);
}

.comment-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.comment-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
}

.comment-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

.comment-author {
  font-weight: 600;
  color: var(--text-primary);
}

.comment-date {
  color: var(--text-muted);
}

.comment-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Modal Overlay for Bookmarks / Quotes */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 540px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.modal-close-icon {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: transparent;
  border: none;
  font-size: 1.25rem;
  color: var(--text-muted);
  cursor: pointer;
}

.modal-close-icon:hover {
  color: var(--text-primary);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: var(--bg-glass-hover);
  backdrop-filter: blur(12px);
  border: 1px solid var(--accent-cyan);
  color: var(--text-primary);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  animation: slideIn 0.3s ease forwards;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Footer */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem 0;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-about {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-title {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.9rem;
}

.footer-links a {
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Floating Quote Button */
.floating-quote-btn {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  z-index: 90;
  background: var(--gradient-brand);
  color: white;
  border: none;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform var(--transition-fast);
}

.floating-quote-btn:hover {
  transform: scale(1.05);
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-card {
    grid-template-columns: 1fr;
  }
  .widget-grid {
    grid-template-columns: 1fr;
  }
  .reader-layout {
    grid-template-columns: 1fr;
  }
  .reader-toc {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 1rem 0;
  }
  .nav-menu {
    display: none; /* Mobile menu could toggle */
  }
  .search-box {
    width: 100%;
  }
  .search-input:focus {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .posts-grid {
    grid-template-columns: 1fr;
  }
}

/* Sydney Local SEO FAQ Accordion */
.faq-accordion-container {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.15);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  gap: 1rem;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--accent-cyan);
}

.faq-icon {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-cyan);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding 0.35s ease;
  background: var(--bg-tertiary);
  padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 1rem 1.5rem 1.5rem 1.5rem;
  border-top: 1px solid var(--border-color);
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ==========================================================================
   WhatsApp Floating Live Chat Widget System
   ========================================================================== */
.whatsapp-widget-container {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 1000;
  font-family: inherit;
}

.whatsapp-float-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: all 0.2s ease;
  position: relative;
}

.whatsapp-float-btn:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.7);
}

.whatsapp-badge-dot {
  position: absolute;
  top: -2px;
  right: -2px;
  background: #ef4444;
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 800;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #080c14;
}

.whatsapp-chat-box {
  position: absolute;
  bottom: 75px;
  left: 0;
  width: 340px;
  background: #0f172a;
  border: 1px solid rgba(37, 211, 102, 0.4);
  border-radius: 14px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.7);
  display: none;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(15px) scale(0.95);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1001;
}

.whatsapp-chat-box.active {
  display: flex;
  opacity: 1;
  transform: translateY(0) scale(1);
}

.wa-chat-header {
  background: linear-gradient(135deg, #075e54 0%, #128c7e 100%);
  padding: 1.25rem 1rem;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wa-header-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.wa-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #ffffff;
  padding: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wa-status-title {
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.2;
}

.wa-status-sub {
  font-size: 0.75rem;
  color: #a7f3d0;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.wa-close-btn {
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  opacity: 0.8;
}

.wa-chat-body {
  padding: 1.25rem 1rem;
  background: #090d16;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.wa-msg-bubble {
  background: #1e293b;
  color: #f1f5f9;
  padding: 0.85rem 1rem;
  border-radius: 14px 14px 14px 2px;
  font-size: 0.88rem;
  line-height: 1.5;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.wa-quick-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.wa-topic-chip {
  background: rgba(37, 211, 102, 0.12);
  border: 1px solid rgba(37, 211, 102, 0.3);
  color: #34d399;
  font-size: 0.78rem;
  padding: 0.35rem 0.65rem;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.wa-topic-chip:hover {
  background: rgba(37, 211, 102, 0.3);
  color: #ffffff;
}

.wa-chat-footer {
  padding: 1rem;
  background: #0f172a;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.wa-input-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.wa-text-input {
  width: 100%;
  background: #090d16;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
  color: #ffffff;
  font-size: 0.85rem;
  resize: none;
}

.wa-send-btn {
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #ffffff;
  border: none;
  padding: 0.65rem 1rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

@media (max-width: 480px) {
  .whatsapp-chat-box {
    width: calc(100vw - 2rem);
    left: -0.5rem;
  }
}