/*
Theme Name: rigitiX Blog
Theme URI: https://rigitix.com
Author: rigitiX Development Team
Author URI: https://rigitix.com
Description: Official, premium, fast, conversion-oriented publishing theme for rigitiX based on the official rigitiX Brand System.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 8.0
Text Domain: rigitix-blog
*/

/* ==========================================================================
   rigitiX DESIGN TOKENS (Source of truth: RIGITIX_BRAND_SYSTEM.pdf)
   ========================================================================== */
:root {
  /* Brand Palette */
  --purple: #522672;
  --purple-hover: #7A4DAA;
  --lavender: #CBADEB;
  --header-lavender: #E4CEFD;
  --amber: #FF8A65;
  --neutral-light: #F7F5FF;
  --neutral-dark: #161616;
  --gray-secondary: #6B7280;
  --border: #E5E7EB;
  --white: #FFFFFF;

  /* System States */
  --success: #2FB88A;
  --error: #E24C4C;
  --warning: #F0A63A;

  /* Typography */
  --font-display: 'Zalando Sans', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Rota', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Spacing Scale (Multiples of 8px) */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;

  /* Border Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 9999px;

  /* Transitions & Shadows */
  --transition: 0.3s ease;
  --shadow-sm: 0 1px 3px rgba(22, 22, 22, 0.05);
  --shadow-md: 0 4px 12px rgba(22, 22, 22, 0.08);
  --shadow-lg: 0 12px 28px rgba(22, 22, 22, 0.12);

  /* Layout */
  --container-max: 1200px;
  --content-max: 760px;
}

/* ==========================================================================
   CORE RESETS & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--neutral-dark);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  overflow-x: hidden;
  width: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  width: 100%;
  position: relative;
}

main {
  flex: 1;
  width: 100%;
}

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

a {
  color: var(--purple);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover, a:focus {
  color: var(--purple-hover);
}

/* ==========================================================================
   TYPOGRAPHY HIERARCHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--neutral-dark);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  word-break: break-word;
}

.display-title {
  font-size: 2.75rem; /* 44px */
  line-height: 1.1;
  font-weight: 600;
}

h1, .h1-title {
  font-size: 2.125rem; /* 34px */
  line-height: 1.15;
}

h2, .h2-title {
  font-size: 1.625rem; /* 26px */
  line-height: 1.2;
}

h3, .h3-title {
  font-size: 1.25rem; /* 20px */
  line-height: 1.3;
  font-weight: 500;
}

.lead-text {
  font-size: 1.0625rem; /* 17px */
  line-height: 1.6;
  color: var(--gray-secondary);
}

.overline {
  font-size: 0.75rem; /* 12px */
  line-height: 1.0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--purple);
}

.text-muted {
  color: var(--gray-secondary);
}

/* ==========================================================================
   CONTAINERS & LAYOUT UTILITIES
   ========================================================================== */
.rx-container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-3);
  padding-right: var(--space-3);
  box-sizing: border-box;
}

.rx-content-container {
  width: 100%;
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

/* ==========================================================================
   TOP ANNOUNCEMENT STRIP
   ========================================================================== */
.rx-top-banner {
  background-color: #15803D;
  color: var(--white);
  font-size: 0.8125rem;
  font-weight: 500;
  text-align: center;
  padding: 6px 16px;
  line-height: 1.4;
  word-break: break-word;
}

/* ==========================================================================
   READING PROGRESS BAR (PHASE 2)
   ========================================================================== */
.rx-reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background-color: var(--amber);
  width: 0%;
  z-index: 2000;
  transition: width 0.1s linear;
}

@media (prefers-reduced-motion: reduce) {
  .rx-reading-progress-bar {
    transition: none;
  }
}

/* ==========================================================================
   BUTTON SYSTEM (RIGITIX BRAND)
   ========================================================================== */
.rx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
  gap: var(--space-1);
  box-sizing: border-box;
}

.rx-btn-primary {
  background-color: var(--purple);
  color: var(--white) !important;
}
.rx-btn-primary:hover, .rx-btn-primary:focus {
  background-color: var(--purple-hover);
  color: var(--white) !important;
  transform: translateY(-1px);
}

.rx-btn-secondary {
  background-color: var(--amber);
  color: var(--neutral-dark) !important;
}
.rx-btn-secondary:hover, .rx-btn-secondary:focus {
  filter: brightness(1.05);
  color: var(--neutral-dark) !important;
  transform: translateY(-1px);
}

/* ==========================================================================
   CARDS & CONTAINERS
   ========================================================================== */
.rx-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  transition: transform var(--transition), box-shadow var(--transition);
  box-sizing: border-box;
}

.rx-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.rx-card-highlighted {
  background-color: var(--lavender);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  box-sizing: border-box;
}

.rx-card-neutral {
  background-color: var(--neutral-light);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  box-sizing: border-box;
}

.rx-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--neutral-light);
  color: var(--purple);
  white-space: nowrap;
}

/* Front Page Specific Responsive Helpers */
.rx-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
  padding-bottom: var(--space-2);
  flex-wrap: wrap;
  gap: var(--space-2);
  width: 100%;
}

.rx-cat-grid {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  width: 100%;
}

.rx-cat-pill {
  padding: 10px 16px;
  font-weight: 600;
  color: var(--neutral-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 100%;
  box-sizing: border-box;
}

.rx-cat-count {
  color: var(--gray-secondary);
  font-weight: normal;
  font-size: 0.875rem;
}

.rx-tool-preview-card {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-4);
  align-items: center;
  width: 100%;
}

/* ==========================================================================
   HEADER COMPONENT (FLUID & MOBILE RESPONSIVE)
   ========================================================================== */
.rx-header {
  background-color: var(--header-lavender);
  border-bottom: 1px solid rgba(82, 38, 114, 0.12);
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
}

.rx-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  width: 100%;
}

.rx-brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  text-decoration: none;
  flex-shrink: 0;
}

.rx-brand-logo img {
  height: 36px;
  width: auto;
  display: block;
}

.rx-nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
}

.rx-nav-menu a {
  color: var(--neutral-dark);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.rx-nav-menu a:hover, .rx-nav-menu .current-menu-item > a {
  color: var(--purple);
}

.rx-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.rx-search-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--neutral-dark);
  padding: var(--space-1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition);
}
.rx-search-toggle:hover {
  color: var(--purple);
}

.rx-mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--neutral-dark);
  padding: 4px 8px;
}

.rx-header-search-bar {
  display: none;
  background-color: var(--neutral-light);
  border-bottom: 1px solid var(--border);
  padding: var(--space-2) 0;
  width: 100%;
}

.rx-header-search-bar.is-active {
  display: block;
}

.rx-search-form {
  display: flex;
  gap: var(--space-2);
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
}

.rx-search-input {
  flex: 1;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  width: 100%;
}
.rx-search-input:focus {
  outline: none;
  border-color: var(--purple);
}

/* ==========================================================================
   FOOTER COMPONENT
   ========================================================================== */
.rx-footer {
  background-color: var(--neutral-dark);
  color: var(--white);
  padding-top: var(--space-6);
  padding-bottom: var(--space-4);
  margin-top: var(--space-6);
  width: 100%;
}

.rx-footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}

.rx-footer-col h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: var(--space-2);
}

.rx-footer-links {
  list-style: none;
}
.rx-footer-links li {
  margin-bottom: var(--space-1);
}
.rx-footer-links a {
  color: #9CA3AF;
  font-size: 0.875rem;
}
.rx-footer-links a:hover {
  color: var(--white);
}

.rx-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: #9CA3AF;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ==========================================================================
   ARTICLE CARD COMPONENT
   ========================================================================== */
.rx-article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-4);
  width: 100%;
}

.rx-article-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
  width: 100%;
}

.rx-article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.rx-card-media {
  aspect-ratio: 16/9;
  overflow: hidden;
  background-color: var(--neutral-light);
  width: 100%;
}

.rx-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.rx-article-card:hover .rx-card-media img {
  transform: scale(1.03);
}

.rx-card-body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.rx-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.8125rem;
  color: var(--gray-secondary);
  margin-top: auto;
  padding-top: var(--space-2);
  flex-wrap: wrap;
}

.rx-card-title {
  font-size: 1.25rem;
  margin-top: var(--space-1);
  margin-bottom: var(--space-1);
  line-height: 1.3;
}
.rx-card-title a {
  color: var(--neutral-dark);
}
.rx-card-title a:hover {
  color: var(--purple);
}

.rx-card-excerpt {
  font-size: 0.875rem;
  color: var(--gray-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-2);
}

.rx-featured-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-4);
  background-color: var(--neutral-light);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
  border: 1px solid var(--border);
  width: 100%;
}
.rx-featured-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16/9;
  width: 100%;
}
.rx-featured-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   ARTICLE SINGLE TEMPLATE STYLES
   ========================================================================== */
.rx-article-hero {
  padding-top: var(--space-5);
  padding-bottom: var(--space-4);
  text-align: center;
  width: 100%;
}

.rx-hero-title {
  font-size: 2.5rem;
  line-height: 1.15;
  margin-top: var(--space-2);
  margin-bottom: var(--space-2);
}

.rx-hero-excerpt {
  font-size: 1.25rem;
  color: var(--gray-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-3);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.rx-author-meta-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  color: var(--gray-secondary);
  flex-wrap: wrap;
}

.rx-author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.rx-article-featured-image {
  margin-top: var(--space-4);
  margin-bottom: var(--space-5);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-height: 500px;
  width: 100%;
}
.rx-article-featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rx-article-content {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--neutral-dark);
  width: 100%;
  word-break: break-word;
}

.rx-article-content p {
  margin-bottom: var(--space-3);
}

.rx-article-content h2 {
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
  scroll-margin-top: 100px;
}

.rx-article-content h3 {
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
  scroll-margin-top: 100px;
}

.rx-article-content ul, .rx-article-content ol {
  margin-bottom: var(--space-3);
  padding-left: var(--space-3);
}

.rx-article-content li {
  margin-bottom: var(--space-1);
}

.rx-article-content blockquote {
  border-left: 4px solid var(--purple);
  padding-left: var(--space-3);
  margin: var(--space-4) 0;
  font-style: italic;
  font-size: 1.125rem;
  color: var(--neutral-dark);
}

/* ==========================================================================
   TABLE OF CONTENTS (PHASE 2)
   ========================================================================== */
.rx-toc-container {
  background-color: var(--neutral-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin: var(--space-4) 0;
  width: 100%;
  box-sizing: border-box;
}

.rx-toc-title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: var(--space-2);
}

.rx-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.rx-toc-item {
  margin-bottom: var(--space-1);
}

.rx-toc-link {
  color: var(--neutral-dark);
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color var(--transition), padding-left var(--transition);
  display: inline-block;
  word-break: break-word;
}

.rx-toc-link:hover, .rx-toc-link.is-active {
  color: var(--purple);
  font-weight: 600;
  padding-left: 4px;
}

.rx-toc-num {
  color: var(--gray-secondary);
  font-weight: 400;
  margin-right: 4px;
}

/* ==========================================================================
   RESPONSIVE TABLES (PHASE 2)
   ========================================================================== */
.rx-table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin: var(--space-4) 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  -webkit-overflow-scrolling: touch;
  box-sizing: border-box;
}

.rx-table-wrapper table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  text-align: left;
  min-width: 500px;
}

.rx-table-wrapper th, .rx-table-wrapper td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.rx-table-wrapper th {
  background-color: var(--neutral-light);
  color: var(--neutral-dark);
  font-family: var(--font-display);
  font-weight: 600;
}

.rx-table-wrapper tr:last-child td {
  border-bottom: none;
}

.rx-table-wrapper tr:nth-child(even) td {
  background-color: #FAFAFA;
}

/* ==========================================================================
   AUTHOR BIO BOX
   ========================================================================== */
.rx-author-box {
  display: flex;
  gap: var(--space-3);
  background-color: var(--neutral-light);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin: var(--space-5) 0;
  width: 100%;
  box-sizing: border-box;
}

.rx-author-box-avatar img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
}

.rx-author-box-content h4 {
  font-size: 1.125rem;
  margin-bottom: var(--space-1);
}

/* ==========================================================================
   NEWSLETTER CTA BLOCK
   ========================================================================== */
.rx-newsletter-card {
  background-color: var(--purple);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
  margin: var(--space-6) 0;
  width: 100%;
  box-sizing: border-box;
}

.rx-newsletter-card h3 {
  color: var(--white);
  font-size: 1.75rem;
  margin-bottom: var(--space-1);
}

.rx-newsletter-card p {
  color: var(--lavender);
  margin-bottom: var(--space-3);
}

.rx-newsletter-form {
  display: flex;
  gap: var(--space-2);
  max-width: 480px;
  margin: 0 auto;
  width: 100%;
}

.rx-newsletter-input {
  flex: 1;
  padding: 12px 18px;
  border-radius: var(--radius-pill);
  border: none;
  font-family: var(--font-body);
}

/* ==========================================================================
   PAGINATION
   ========================================================================== */
.rx-pagination {
  display: flex;
  justify-content: center;
  gap: var(--space-1);
  margin-top: var(--space-5);
  flex-wrap: wrap;
}

.rx-pagination .page-numbers {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--neutral-light);
  color: var(--neutral-dark);
  font-weight: 600;
  text-decoration: none;
}

.rx-pagination .page-numbers.current {
  background: var(--purple);
  color: var(--white);
}

/* ==========================================================================
   RESPONSIVE DESIGN BREAKPOINTS (FULL MOBILE AUDIT & FIXES)
   ========================================================================== */

/* Tablet & Desktop Adjustments (<= 992px) */
@media (max-width: 992px) {
  .rx-featured-card {
    grid-template-columns: 1fr;
  }
  .rx-tool-preview-card {
    grid-template-columns: 1fr;
  }
  .rx-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .display-title {
    font-size: 2.25rem;
  }
  h1, .h1-title {
    font-size: 1.875rem;
  }
  .rx-hero-title {
    font-size: 2rem;
  }
}

/* Mobile Devices (<= 768px) */
@media (max-width: 768px) {
  .rx-header-inner {
    height: 64px;
  }

  .rx-brand-logo img {
    height: 28px;
  }

  .rx-nav-menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background-color: var(--header-lavender);
    flex-direction: column;
    padding: var(--space-3);
    border-bottom: 2px solid var(--purple);
    box-shadow: var(--shadow-md);
    z-index: 1001;
  }

  .rx-nav-menu.is-active {
    display: flex;
  }

  .rx-nav-menu a {
    font-size: 0.9375rem;
    padding: 10px 0;
    width: 100%;
    border-bottom: 1px solid rgba(82, 38, 114, 0.1);
  }

  .rx-mobile-toggle {
    display: block;
  }

  .rx-footer-grid {
    grid-template-columns: 1fr;
  }

  .rx-footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .rx-newsletter-form {
    flex-direction: column;
    width: 100%;
  }

  .rx-newsletter-input, .rx-newsletter-form button {
    width: 100%;
  }

  .rx-hero-title {
    font-size: 1.625rem;
  }

  .rx-hero-excerpt {
    font-size: 1rem;
  }

  .rx-author-box {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .rx-search-form {
    flex-direction: column;
    width: 100%;
  }

  .rx-search-input, .rx-search-form button {
    width: 100%;
  }

  .rx-section-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* Small Mobile Devices (<= 480px) */
@media (max-width: 480px) {
  .rx-container {
    padding-left: 12px;
    padding-right: 12px;
  }

  .display-title {
    font-size: 1.75rem;
  }

  h1, .h1-title {
    font-size: 1.375rem;
  }

  h2, .h2-title {
    font-size: 1.125rem;
  }

  .rx-header-actions .rx-btn-primary {
    padding: 6px 12px;
    font-size: 0.75rem;
  }

  .rx-article-grid {
    grid-template-columns: 1fr;
  }

  .rx-card {
    padding: var(--space-2);
  }

  .rx-card-highlighted {
    padding: var(--space-3);
  }

  .rx-cat-pill {
    padding: 8px 12px;
    font-size: 0.8125rem;
  }
}