/*
Theme Name: Control Online Blog
Theme URI: https://controlonlineinternational.com
Author: Control Online International
Author URI: https://controlonlineinternational.com
Description: Tema de blog corporativo para Control Online International con diseño moderno y oscuro
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: control-online-blog
Tags: blog, corporate, dark, modern, two-columns
*/

/* ============================================
   CSS VARIABLES - Control Online Color Palette
   ============================================ */
:root {
  /* Colors */
  --color-primary-bg: #0D0E20;
  --color-secondary-bg: #E9EBF2;
  --color-accent-green: #8DC853;
  --color-accent-green-dark: #7AB845;
  --color-text-light: #FFFFFF;
  --color-text-dark: #0D0E20;
  --color-text-gray: #6B7280;
  --color-border: rgba(255, 255, 255, 0.1);

  /* Typography */
  --font-heading: 'Century Gothic', 'Futura', 'Avant Garde', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 50px;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
  --glow-blue: 0 0 80px rgba(59, 130, 246, 0.3);
  --glow-green: 0 0 40px rgba(141, 200, 83, 0.4);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-light);
  background-color: var(--color-primary-bg);
  background-image:
    radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(141, 200, 83, 0.1) 0%, transparent 50%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-light);
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 2rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--spacing-md);
  color: rgba(255, 255, 255, 0.9);
}

a {
  color: var(--color-accent-green);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--color-accent-green-dark);
  text-decoration: none;
}

/* ============================================
   LAYOUT
   ============================================ */
.site-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.site-header {
  background: rgba(13, 14, 32, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.site-header .site-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.site-logo img {
  height: 50px;
  width: auto;
  transition: opacity 0.3s ease;
}

.site-logo:hover img {
  opacity: 0.8;
}

/* Navigation */
.main-navigation {
  margin-left: auto;
}

.main-navigation ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-lg);
  margin: 0;
  padding: 0;
}

.main-navigation a {
  color: var(--color-text-light);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
}

.main-navigation a:hover,
.main-navigation .current-menu-item a {
  color: var(--color-accent-green);
  background: rgba(141, 200, 83, 0.1);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-light);
  cursor: pointer;
  padding: var(--spacing-xs);
  margin-left: auto;
}

.mobile-menu-toggle svg {
  width: 28px;
  height: 28px;
}

.mobile-menu-toggle:hover {
  color: var(--color-accent-green);
}

/* Main Content Area */
.site-main {
  padding: var(--spacing-2xl) 0;
  min-height: 70vh;
}

.content-area {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: var(--spacing-xl);
  align-items: start;
}

.content-area.full-width {
  grid-template-columns: 1fr;
}

/* ============================================
   BLOG POST GRID
   ============================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.post-card {
  background: rgba(233, 235, 242, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.4s ease;
  position: relative;
}

.post-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(141, 200, 83, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.post-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--glow-green);
  border-color: var(--color-accent-green);
}

.post-card:hover::before {
  opacity: 1;
}

.post-thumbnail {
  width: 100%;
  height: 250px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, #1a1b3a 0%, #0D0E20 100%);
}

.post-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.post-card:hover .post-thumbnail img {
  transform: scale(1.1);
}

.post-content {
  padding: var(--spacing-lg);
}

.post-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-text-gray);
  margin-bottom: var(--spacing-sm);
}

.post-meta span {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.post-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.post-title a {
  color: var(--color-text-light);
  transition: color 0.3s ease;
}

.post-title a:hover {
  color: var(--color-accent-green);
}

.post-excerpt {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: var(--color-accent-green);
  color: var(--color-primary-bg);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-pill);
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid var(--color-accent-green);
}

.read-more:hover {
  background: transparent;
  color: var(--color-accent-green);
  transform: translateX(5px);
}

/* ============================================
   SINGLE POST
   ============================================ */
.single-post-container {
  max-width: 900px;
  margin: 0 auto;
}

.single-post-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.single-post-title {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-text-light) 0%, var(--color-accent-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.single-post-meta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  font-size: 1rem;
  color: var(--color-text-gray);
}

.single-post-thumbnail {
  width: 100%;
  height: 500px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
}

.single-post-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.single-post-content {
  background: rgba(233, 235, 242, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.single-post-content p {
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

.single-post-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--spacing-lg) 0;
}

.single-post-content h2,
.single-post-content h3 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

/* Post Tags & Categories */
.post-tags,
.post-categories {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.tag,
.category {
  background: rgba(141, 200, 83, 0.1);
  color: var(--color-accent-green);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  border: 1px solid var(--color-accent-green);
  transition: all 0.3s ease;
}

.tag:hover,
.category:hover {
  background: var(--color-accent-green);
  color: var(--color-primary-bg);
}

/* Social Share */
.social-share {
  background: rgba(233, 235, 242, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.social-share h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

.share-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

.share-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  transition: all 0.3s ease;
}

.share-button:hover {
  background: var(--color-accent-green);
  color: var(--color-primary-bg);
  transform: translateY(-3px);
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
  position: sticky;
  top: 100px;
}

.widget {
  background: rgba(233, 235, 242, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.widget-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-accent-green);
}

.widget ul {
  list-style: none;
}

.widget li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.widget li:last-child {
  border-bottom: none;
}

.widget a {
  color: rgba(255, 255, 255, 0.8);
  display: block;
  transition: all 0.3s ease;
}

.widget a:hover {
  color: var(--color-accent-green);
  padding-left: var(--spacing-sm);
}

/* Search Widget */
.search-form {
  display: flex;
  gap: var(--spacing-sm);
}

.search-field {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text-light);
  font-family: var(--font-body);
}

.search-field:focus {
  outline: none;
  border-color: var(--color-accent-green);
  background: rgba(255, 255, 255, 0.08);
}

.search-submit {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-accent-green);
  color: var(--color-primary-bg);
  border: none;
  border-radius: var(--radius-pill);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.search-submit:hover {
  background: var(--color-accent-green-dark);
  transform: scale(1.05);
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 45px;
  height: 45px;
  padding: 0 var(--spacing-md);
  background: rgba(233, 235, 242, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-light);
  font-weight: 600;
  transition: all 0.3s ease;
}

.page-numbers:hover,
.page-numbers.current {
  background: var(--color-accent-green);
  color: var(--color-primary-bg);
  border-color: var(--color-accent-green);
  transform: translateY(-2px);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: rgba(13, 14, 32, 0.98);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-widget h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent-green);
}

.footer-widget p,
.footer-widget a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-widget a:hover {
  color: var(--color-accent-green);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-gray);
}

/* Newsletter Form */
.newsletter-form {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.newsletter-input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text-light);
  font-family: var(--font-body);
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--color-accent-green);
}

.newsletter-submit {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-accent-green);
  color: var(--color-primary-bg);
  border: none;
  border-radius: var(--radius-pill);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.newsletter-submit:hover {
  background: var(--color-accent-green-dark);
  transform: scale(1.05);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
  .content-area {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .blog-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.5rem;
  }

  .site-header .site-container {
    flex-wrap: wrap;
  }

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

  .main-navigation {
    display: none;
    width: 100%;
    margin-left: 0;
    margin-top: var(--spacing-md);
  }

  .main-navigation.active {
    display: block;
  }

  .main-navigation ul {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }

  .main-navigation a {
    display: block;
    padding: var(--spacing-md);
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .single-post-title {
    font-size: 2rem;
  }

  .single-post-thumbnail {
    height: 300px;
  }

  .single-post-content {
    padding: var(--spacing-lg);
  }

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

@media (max-width: 480px) {
  .site-container {
    padding: 0 var(--spacing-sm);
  }

  .site-main {
    padding: var(--spacing-lg) 0;
  }

  .post-content {
    padding: var(--spacing-md);
  }

  .single-post-content p {
    font-size: 1rem;
  }
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center {
  text-align: center;
}

.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

/* ============================================
   FILTER BUTTONS
   ============================================ */
.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-md);
  background: rgba(233, 235, 242, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text-light);
  font-family: var(--font-body);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-btn:hover {
  background: rgba(141, 200, 83, 0.1);
  border-color: var(--color-accent-green);
  color: var(--color-accent-green);
}

.filter-btn.active {
  background: var(--color-accent-green);
  border-color: var(--color-accent-green);
  color: var(--color-primary-bg);
}

/* ============================================
   LOADING SPINNER
   ============================================ */
.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  text-align: center;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--color-accent-green);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-md);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-spinner p {
  color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   ERROR & NO RESULTS MESSAGES
   ============================================ */
.error-message,
.no-results {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  text-align: center;
  background: rgba(233, 235, 242, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  grid-column: 1 / -1;
}

.error-message svg,
.no-results svg {
  color: var(--color-accent-green);
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

.error-message h3,
.no-results h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.error-message p,
.no-results p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

/* ============================================
   SOCIAL LINKS
   ============================================ */
.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-light);
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--color-accent-green);
  border-color: var(--color-accent-green);
  color: var(--color-primary-bg);
  transform: translateY(-3px);
}

/* ============================================
   PAGINATION DISABLED STATE
   ============================================ */
.page-numbers:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease-out;
}

/* ============================================
   RESPONSIVE UPDATES
   ============================================ */
@media (max-width: 768px) {
  .filter-buttons {
    justify-content: center;
  }

  .filter-btn {
    font-size: 0.875rem;
    padding: var(--spacing-xs) var(--spacing-md);
  }
}

.hidden {
  display: none;
}

/* Loading Animation */
@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.loading {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}