/* ========================================
   Ovulation Track Tool — Global Styles
   Prefix: ovu-
   ======================================== */

/* CSS Variables */
:root {
  --ovu-primary: #e85a8a;
  --ovu-primary-dark: #c94772;
  --ovu-secondary: #7dd3c0;
  --ovu-accent: #f4a261;
  --ovu-bg: #faf8f5;
  --ovu-card-bg: #ffffff;
  --ovu-text: #2d2d2d;
  --ovu-text-muted: #8a8a8a;
  --ovu-border: #e8e4df;
  --ovu-border-light: #f0ece7;
  --ovu-shadow: 0 2px 12px rgba(0,0,0,0.06);
  --ovu-shadow-hover: 0 4px 20px rgba(0,0,0,0.1);
  --ovu-radius: 14px;
  --ovu-radius-sm: 8px;
  --ovu-font-heading: "Georgia", "Times New Roman", serif;
  --ovu-font-body: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --ovu-max-width: 1100px;
  --ovu-nav-height: 64px;
  --ovu-sticky-height: 44px;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--ovu-font-body);
  color: var(--ovu-text);
  background: var(--ovu-bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ovu-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { padding-left: 1.5rem; }
h1, h2, h3, h4, h5, h6 { font-family: var(--ovu-font-heading); line-height: 1.3; font-weight: 600; }

/* ========================================
   Sticky Tool Bar
   ======================================== */
.ovu-sticky-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--ovu-sticky-height);
  background: linear-gradient(90deg, var(--ovu-primary), var(--ovu-primary-dark));
  z-index: 1001;
  display: flex;
  align-items: center;
}
.ovu-sticky-container {
  max-width: var(--ovu-max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.ovu-sticky-label {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 500;
}
.ovu-sticky-btn {
  background: #fff;
  color: var(--ovu-primary);
  padding: 0.35rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
}
.ovu-sticky-btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* ========================================
   Navigation
   ======================================== */
.ovu-nav {
  position: fixed;
  top: var(--ovu-sticky-height); left: 0; right: 0;
  height: var(--ovu-nav-height);
  background: var(--ovu-card-bg);
  border-bottom: 1px solid var(--ovu-border);
  z-index: 1000;
  box-shadow: var(--ovu-shadow);
}
.ovu-nav-container {
  max-width: var(--ovu-max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ovu-logo {
  font-family: var(--ovu-font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ovu-primary);
  text-decoration: none;
}
.ovu-logo:hover { text-decoration: none; }
.ovu-nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.ovu-nav-links a {
  color: var(--ovu-text);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.ovu-nav-links a:hover {
  color: var(--ovu-primary);
  text-decoration: none;
}
.ovu-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--ovu-text);
}

/* ========================================
   Main Layout
   ======================================== */
.ovu-main {
  padding-top: calc(var(--ovu-sticky-height) + var(--ovu-nav-height) + 2rem);
  padding-bottom: 3rem;
  min-height: calc(100vh - 200px);
}
.ovu-container {
  max-width: var(--ovu-max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ========================================
   Page Titles
   ======================================== */
.ovu-page-title {
  font-size: 2.4rem;
  margin-bottom: 0.5rem;
  color: var(--ovu-text);
}
.ovu-page-subtitle {
  font-size: 1.1rem;
  color: var(--ovu-text-muted);
  margin-bottom: 2.5rem;
  max-width: 700px;
}

/* ========================================
   Cards (Whole Card Clickable)
   ======================================== */
a.ovu-article-card, a.ovu-tool-card, a.ovu-blog-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
a.ovu-article-card *, a.ovu-tool-card *, a.ovu-blog-card * {
  pointer-events: none;
}
a.ovu-article-card:hover, a.ovu-tool-card:hover, a.ovu-blog-card:hover {
  text-decoration: none;
}

.ovu-card {
  background: var(--ovu-card-bg);
  border-radius: var(--ovu-radius);
  border: 1px solid var(--ovu-border);
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}
.ovu-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--ovu-shadow-hover);
}

/* ========================================
   Blog Grid & Cards
   ======================================== */
.ovu-blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}
.ovu-blog-card {
  background: var(--ovu-card-bg);
  border-radius: var(--ovu-radius);
  border: 1px solid var(--ovu-border);
  padding: 1.5rem;
  transition: transform 0.25s, box-shadow 0.25s;
}
.ovu-blog-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--ovu-shadow-hover);
}
.ovu-blog-card-meta {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
}
.ovu-blog-category {
  color: var(--ovu-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.ovu-blog-date {
  color: var(--ovu-text-muted);
}
.ovu-blog-card h2 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--ovu-text);
}
.ovu-blog-card p {
  color: var(--ovu-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}
.ovu-read-more {
  color: var(--ovu-primary);
  font-weight: 600;
  font-size: 0.9rem;
}

/* ========================================
   Article Page
   ======================================== */
.ovu-article-page {
  max-width: 780px;
}
.ovu-article-full {
  background: var(--ovu-card-bg);
  border-radius: var(--ovu-radius);
  border: 1px solid var(--ovu-border);
  padding: 2.5rem;
}
.ovu-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--ovu-text-muted);
  margin-bottom: 1.25rem;
}
.ovu-breadcrumb a {
  color: var(--ovu-text-muted);
}
.ovu-breadcrumb a:hover {
  color: var(--ovu-primary);
}
.ovu-breadcrumb-sep {
  color: var(--ovu-border);
}
.ovu-breadcrumb-current {
  color: var(--ovu-text);
  font-weight: 500;
}
.ovu-article-meta-top {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  flex-wrap: wrap;
}
.ovu-article-category {
  background: var(--ovu-secondary);
  color: #fff;
  padding: 0.2rem 0.7rem;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.ovu-article-date {
  color: var(--ovu-text-muted);
}
.ovu-article-author {
  color: var(--ovu-text-muted);
}
.ovu-article-title {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}
.ovu-article-hero {
  margin: -2.5rem -2.5rem 1.5rem -2.5rem;
  border-radius: var(--ovu-radius) var(--ovu-radius) 0 0;
  overflow: hidden;
}
.ovu-article-hero img {
  width: 100%;
  height: auto;
  object-fit: cover;
}
.ovu-article-body {
  font-size: 1.05rem;
  line-height: 1.8;
}
.ovu-article-body p {
  margin-bottom: 1.25rem;
}
.ovu-article-body h2 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
  color: var(--ovu-text);
}
.ovu-article-body h3 {
  font-size: 1.2rem;
  margin: 1.5rem 0 0.75rem;
}
.ovu-article-body ul, .ovu-article-body ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}
.ovu-article-body li {
  margin-bottom: 0.5rem;
}
.ovu-article-body strong {
  color: var(--ovu-text);
  font-weight: 600;
}
.ovu-article-body em {
  font-style: italic;
}

/* Author Box */
.ovu-author-box {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: var(--ovu-bg);
  border-radius: var(--ovu-radius-sm);
  margin: 2rem 0;
  border: 1px solid var(--ovu-border-light);
}
.ovu-author-box img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.ovu-author-name {
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.ovu-author-bio {
  font-size: 0.9rem;
  color: var(--ovu-text-muted);
  line-height: 1.5;
}

/* Share */
.ovu-article-share {
  margin: 1.5rem 0;
  padding: 1rem 0;
  border-top: 1px solid var(--ovu-border);
  font-size: 0.95rem;
}

/* Footer Grid: Related + Tools */
.ovu-article-footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 2rem 0;
  padding: 1.5rem 0;
  border-top: 1px solid var(--ovu-border);
}
.ovu-related-articles h4,
.ovu-recommended-tools h4 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--ovu-text);
}
.ovu-related-articles ul {
  list-style: none;
  padding: 0;
}
.ovu-related-articles li {
  margin-bottom: 0.75rem;
}
.ovu-related-articles a {
  color: var(--ovu-text);
  font-size: 0.95rem;
  display: block;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--ovu-border-light);
  transition: color 0.2s;
}
.ovu-related-articles a:hover {
  color: var(--ovu-primary);
  text-decoration: none;
}
.ovu-tool-cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
a.ovu-tool-card {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  background: var(--ovu-bg);
  border-radius: var(--ovu-radius-sm);
  border: 1px solid var(--ovu-border-light);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
a.ovu-tool-card:hover {
  background: var(--ovu-card-bg);
  border-color: var(--ovu-primary);
  text-decoration: none;
}
a.ovu-tool-card * {
  pointer-events: none;
}
.ovu-tool-card-body h5 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
  color: var(--ovu-text);
}
.ovu-tool-card-body p {
  font-size: 0.85rem;
  color: var(--ovu-text-muted);
  line-height: 1.5;
  margin: 0;
}
.ovu-tool-card-privacy {
  font-size: 0.75rem;
  color: var(--ovu-text-muted);
  margin-top: 0.5rem;
  font-style: italic;
}

/* ========================================
   Ad Slots
   ======================================== */
.ovu-ad-slot {
  display: none;
  margin: 1.5rem 0;
  background: var(--ovu-bg);
  border: 2px dashed var(--ovu-border);
  border-radius: var(--ovu-radius-sm);
  min-height: 250px;
  align-items: center;
  justify-content: center;
}
.ovu-ad-slot.has-content {
  display: flex;
}
.ovu-ad-placeholder {
  color: var(--ovu-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ========================================
   Tool Pages
   ======================================== */
.ovu-tool-page {
  max-width: 800px;
}
.ovu-tool-header {
  margin-bottom: 2rem;
}
.ovu-tool-header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}
.ovu-tool-header p {
  color: var(--ovu-text-muted);
  font-size: 1.05rem;
}
.ovu-tool-panel {
  background: var(--ovu-card-bg);
  border-radius: var(--ovu-radius);
  border: 1px solid var(--ovu-border);
  padding: 2rem;
  margin-bottom: 1.5rem;
}
.ovu-form-group {
  margin-bottom: 1.25rem;
}
.ovu-form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}
.ovu-form-group input,
.ovu-form-group select,
.ovu-form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--ovu-border);
  border-radius: var(--ovu-radius-sm);
  font-size: 1rem;
  font-family: var(--ovu-font-body);
  background: var(--ovu-card-bg);
  color: var(--ovu-text);
  transition: border-color 0.2s;
}
.ovu-form-group input:focus,
.ovu-form-group select:focus,
.ovu-form-group textarea:focus {
  outline: none;
  border-color: var(--ovu-primary);
}
.ovu-btn-primary {
  display: inline-block;
  background: var(--ovu-primary);
  color: #fff;
  padding: 0.85rem 2rem;
  border-radius: var(--ovu-radius-sm);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.ovu-btn-primary:hover {
  background: var(--ovu-primary-dark);
  text-decoration: none;
  transform: translateY(-1px);
}
.ovu-btn-secondary {
  display: inline-block;
  background: var(--ovu-bg);
  color: var(--ovu-text);
  padding: 0.75rem 1.5rem;
  border-radius: var(--ovu-radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--ovu-border);
  cursor: pointer;
  transition: background 0.2s;
  margin-left: 0.5rem;
}
.ovu-btn-secondary:hover {
  background: var(--ovu-border);
  text-decoration: none;
}
.ovu-btn-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}
.ovu-result-box {
  background: var(--ovu-bg);
  border-radius: var(--ovu-radius-sm);
  padding: 1.5rem;
  margin-top: 1.5rem;
  border-left: 4px solid var(--ovu-primary);
}
.ovu-result-box h3 {
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
}
.ovu-chart-container {
  margin: 1.5rem 0;
  background: var(--ovu-bg);
  border-radius: var(--ovu-radius-sm);
  padding: 1rem;
  min-height: 300px;
}
.ovu-chart-container canvas {
  width: 100% !important;
  height: auto !important;
}
.ovu-history-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.9rem;
}
.ovu-history-table th,
.ovu-history-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--ovu-border);
}
.ovu-history-table th {
  font-weight: 600;
  color: var(--ovu-text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.ovu-privacy-note {
  font-size: 0.8rem;
  color: var(--ovu-text-muted);
  margin-top: 1rem;
  font-style: italic;
  text-align: center;
}

/* ========================================
   Tools Index Page
   ======================================== */
.ovu-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.ovu-tool-index-card {
  background: var(--ovu-card-bg);
  border-radius: var(--ovu-radius);
  border: 1px solid var(--ovu-border);
  padding: 1.75rem;
  transition: transform 0.25s, box-shadow 0.25s;
}
.ovu-tool-index-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--ovu-shadow-hover);
}
.ovu-tool-index-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--ovu-primary);
}
.ovu-tool-index-card p {
  color: var(--ovu-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}
.ovu-tool-index-card .ovu-tool-link {
  font-weight: 600;
  font-size: 0.9rem;
}

/* ========================================
   Home Page Sections
   ======================================== */
.ovu-hero {
  text-align: center;
  padding: 3rem 1.5rem;
  background: linear-gradient(135deg, var(--ovu-bg) 0%, #fff 100%);
  border-radius: var(--ovu-radius);
  margin-bottom: 2rem;
  border: 1px solid var(--ovu-border);
}
.ovu-hero h1 {
  font-size: 2.6rem;
  margin-bottom: 1rem;
  color: var(--ovu-text);
}
.ovu-hero p {
  font-size: 1.15rem;
  color: var(--ovu-text-muted);
  max-width: 600px;
  margin: 0 auto 1.5rem;
}
.ovu-section {
  margin-bottom: 3rem;
}
.ovu-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}
.ovu-section-header h2 {
  font-size: 1.5rem;
}
.ovu-section-header a {
  font-size: 0.9rem;
  font-weight: 600;
}
.ovu-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.ovu-stat-card {
  background: var(--ovu-card-bg);
  border-radius: var(--ovu-radius-sm);
  border: 1px solid var(--ovu-border);
  padding: 1.5rem;
  text-align: center;
}
.ovu-stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--ovu-primary);
  font-family: var(--ovu-font-heading);
}
.ovu-stat-label {
  font-size: 0.85rem;
  color: var(--ovu-text-muted);
  margin-top: 0.25rem;
}

/* ========================================
   About Page
   ======================================== */
.ovu-about-hero {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  margin-bottom: 2rem;
}
.ovu-about-hero img {
  width: 180px;
  height: 180px;
  border-radius: var(--ovu-radius);
  object-fit: cover;
  flex-shrink: 0;
}
.ovu-about-content h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}
.ovu-about-content .ovu-job-title {
  color: var(--ovu-primary);
  font-weight: 600;
  margin-bottom: 1rem;
}
.ovu-about-content p {
  margin-bottom: 1rem;
  line-height: 1.8;
}
.ovu-credentials {
  background: var(--ovu-bg);
  border-radius: var(--ovu-radius-sm);
  padding: 1.5rem;
  margin: 1.5rem 0;
  border: 1px solid var(--ovu-border-light);
}
.ovu-credentials h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}
.ovu-credentials ul {
  list-style: none;
  padding: 0;
}
.ovu-credentials li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--ovu-border-light);
  font-size: 0.95rem;
}
.ovu-credentials li:last-child {
  border-bottom: none;
}

/* ========================================
   Contact / FAQ / Compliance Pages
   ======================================== */
.ovu-compliance-page {
  max-width: 780px;
}
.ovu-compliance-page h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.ovu-compliance-page h2 {
  font-size: 1.3rem;
  margin: 2rem 0 1rem;
}
.ovu-compliance-page p {
  margin-bottom: 1rem;
  line-height: 1.8;
}
.ovu-compliance-page ul {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}
.ovu-contact-box {
  background: var(--ovu-bg);
  border-radius: var(--ovu-radius-sm);
  padding: 1.5rem;
  margin: 2rem 0;
  border: 1px solid var(--ovu-border);
  text-align: center;
}
.ovu-contact-box a {
  font-weight: 600;
  font-size: 1.1rem;
}
.ovu-faq-item {
  border-bottom: 1px solid var(--ovu-border);
  padding: 1.5rem 0;
}
.ovu-faq-item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  cursor: pointer;
}
.ovu-faq-item p {
  color: var(--ovu-text-muted);
  font-size: 0.95rem;
}

/* ========================================
   Footer
   ======================================== */
.ovu-footer {
  background: var(--ovu-card-bg);
  border-top: 1px solid var(--ovu-border);
  padding: 2rem 0;
  margin-top: 2rem;
}
.ovu-footer-container {
  max-width: var(--ovu-max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.ovu-footer p {
  font-size: 0.9rem;
  color: var(--ovu-text-muted);
}
.ovu-footer-links {
  display: flex;
  gap: 1.5rem;
}
.ovu-footer-links a {
  font-size: 0.85rem;
  color: var(--ovu-text-muted);
}
.ovu-footer-links a:hover {
  color: var(--ovu-primary);
}

/* ========================================
   Responsive Breakpoints
   ======================================== */
@media (max-width: 768px) {
  .ovu-menu-toggle {
    display: block;
  }
  .ovu-nav-links {
    display: none !important;
    position: absolute;
    top: var(--ovu-nav-height);
    left: 0;
    right: 0;
    background: var(--ovu-card-bg);
    flex-direction: column !important;
    align-items: flex-start !important;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--ovu-border);
    box-shadow: var(--ovu-shadow);
    gap: 1rem;
    z-index: 999;
  }
  .ovu-nav-links.ovu-active {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
  }
  .ovu-nav-links.ovu-active a {
    display: block;
    width: 100%;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--ovu-border-light);
  }
  .ovu-nav-links.ovu-active a:last-child {
    border-bottom: none;
  }
  .ovu-hero h1 {
    font-size: 1.8rem;
  }
  .ovu-article-footer-grid {
    grid-template-columns: 1fr;
  }
  .ovu-about-hero {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .ovu-about-hero img {
    width: 140px;
    height: 140px;
  }
  .ovu-blog-grid,
  .ovu-tools-grid {
    grid-template-columns: 1fr;
  }
  .ovu-article-full {
    padding: 1.5rem;
  }
  .ovu-article-hero {
    margin: -1.5rem -1.5rem 1.5rem -1.5rem;
  }
  .ovu-article-title {
    font-size: 1.7rem;
  }
  .ovu-footer-container {
    flex-direction: column;
    text-align: center;
  }
  .ovu-footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  .ovu-sticky-container {
    padding: 0 1rem;
  }
  .ovu-sticky-label {
    display: none;
  }
}

@media (max-width: 480px) {
  .ovu-container {
    padding: 0 1rem;
  }
  .ovu-hero {
    padding: 2rem 1rem;
  }
  .ovu-hero h1 {
    font-size: 1.5rem;
  }
  .ovu-btn-group {
    flex-direction: column;
  }
  .ovu-btn-secondary {
    margin-left: 0;
  }
}

/* ========================================
   Inline Tool Cards (Article Body)
   ======================================== */
a.ovu-inline-tool {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  background: var(--ovu-bg);
  border-radius: var(--ovu-radius-sm);
  border: 1px solid var(--ovu-border);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
  margin: 1.5rem 0;
}
a.ovu-inline-tool:hover {
  background: var(--ovu-card-bg);
  border-color: var(--ovu-primary);
  transform: translateY(-2px);
  text-decoration: none;
}
a.ovu-inline-tool * {
  pointer-events: none;
}
.ovu-inline-tool-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ovu-primary);
  margin-bottom: 0.5rem;
}
.ovu-inline-tool-desc {
  font-size: 0.95rem;
  color: var(--ovu-text-muted);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}
.ovu-inline-tool-privacy {
  font-size: 0.8rem;
  color: var(--ovu-text-muted);
  font-style: italic;
}

/* === Post Template V3.0 CSS Injection for ovu === */

.ovu-post-header {
  margin-bottom: 24px;
}
.ovu-post-header h1 {
  font-size: 2.2rem;
  line-height: 1.3;
  margin-bottom: 12px;
}
.ovu-post-meta {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 12px;
}
.ovu-category-badge {
  display: inline-block;
  padding: 4px 12px;
  background: #e8f0fe;
  color: #1a73e8;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}
.ovu-article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.ovu-post-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}
.ovu-post-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #333;
}
.ovu-post-content p {
  margin-bottom: 1.2em;
}
.ovu-post-content h2 {
  font-size: 1.6rem;
  margin-top: 2em;
  margin-bottom: 0.8em;
}
.ovu-post-content h3 {
  font-size: 1.3rem;
  margin-top: 1.6em;
  margin-bottom: 0.6em;
}
.ovu-post-footer {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  max-width: 800px;
  margin: 40px auto 0;
  padding: 0 20px;
}
@media (max-width: 768px) {
  .ovu-post-footer {
    grid-template-columns: 1fr;
  }
}
.ovu-related-articles h3,
.ovu-recommended-tools h3 {
  font-size: 1.2rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid #eee;
}
.ovu-related-list,
.ovu-tool-rec-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ovu-related-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  padding: 16px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #eee;
  transition: box-shadow 0.2s, transform 0.2s;
}
.ovu-related-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.ovu-related-card * {
  pointer-events: none;
}
.ovu-related-card h4 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: #1a73e8;
}
.ovu-related-card p {
  font-size: 0.85rem;
  color: #666;
  margin: 0;
}
.ovu-author-box {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: #f8f9fa;
  border-radius: 12px;
  margin: 32px 0;
  align-items: flex-start;
}
@media (max-width: 768px) {
  .ovu-author-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}
.ovu-author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.ovu-author-info {
  flex: 1;
}
.ovu-author-name {
  font-size: 1.1rem;
  margin-bottom: 4px;
}
.ovu-author-title {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 8px;
}
.ovu-author-bio {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #444;
  margin-bottom: 8px;
}
.ovu-author-location {
  font-size: 0.85rem;
  color: #888;
  margin-bottom: 8px;
}
.ovu-author-bio-link {
  font-size: 0.9rem;
  color: #1a73e8;
  text-decoration: none;
}
.ovu-author-bio-link:hover {
  text-decoration: underline;
}


/* ---- Navigation Container Fix ---- */
.ovu-nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--ovu-max-width, 1200px);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
  box-sizing: border-box;
}


/* ---- Breadcrumb Align Fix ---- */
.ovu-breadcrumb {
  max-width: var(--ovu-max-width, 1200px);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  width: 100%;
  box-sizing: border-box;
}


/* ---- Mobile Menu Active Fix ---- */
@media (max-width: 768px) {
  .ovu-nav-links {
    display: none !important;
    flex-direction: column;
    width: 100%;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    padding: 1rem 1.5rem;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    z-index: 999;
  }
  .ovu-nav-links.active {
    display: flex !important;
  }
  .ovu-nav-links li {
    width: 100%;
    list-style: none;
  }
  .ovu-nav-links a {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
    color: inherit;
  }
  .ovu-nav-links a:last-child {
    border-bottom: none;
  }
}


/* ---- Hamburger Button Fix ---- */
.ovu-nav-hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}
@media (max-width: 768px) {
  .ovu-nav-hamburger {
    display: block !important;
  }
}