/*
Theme Name: Nexo Sintético
Theme URI: https://nexosintetico.com.br
Description: Custom Neo-Brutalist & Glassmorphism Tech Portal Theme for Nexo Sintético
Version: 1.0.0
Author: Antigravity AI
Author URI: https://deepmind.google
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Tags: custom-background, custom-logo, custom-menu, featured-images, full-width-template, post-formats, theme-options, translation-ready, neo-brutalist, glassmorphism, tech
Text Domain: nexo-sintetico
*/

/* Core Neo-Brutalist Styles and Variables */
:root {
  --font-title: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Space Mono', 'Fira Code', monospace;
  
  /* Theme Light Variables */
  --bg-color: #f7f6f2; /* Warm off-white */
  --card-bg: #ffffff;
  --text-color: #0b0f19;
  --text-muted: #5e6675;
  --border-color: #0b0f19;
  
  --primary-color: #6366f1; /* Deep Indigo */
  --secondary-color: #06b6d4; /* Tech Cyan */
  --accent-color: #10b981; /* Neon Green */
  --accent-bg: rgba(99, 102, 241, 0.08);
  
  --card-shadow: 6px 6px 0px #0b0f19;
  --hover-shadow: 10px 10px 0px #0b0f19;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(11, 15, 25, 0.15);
  --glass-blur: blur(16px);
  --hero-glow: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.15), transparent 60%);
}

[data-theme="dark"] {
  --bg-color: #070a13; /* Deep cybernetic space */
  --card-bg: #111827; /* Rich dark slate */
  --text-color: #f3f4f6;
  --text-muted: #9ca3af;
  --border-color: #22d3ee; /* Glowing Neon Cyan */
  
  --primary-color: #818cf8; /* Light Indigo */
  --secondary-color: #22d3ee; /* Glowing Cyan */
  --accent-color: #34d399; /* Radiant Emerald */
  --accent-bg: rgba(34, 211, 238, 0.08);
  
  --card-shadow: 6px 6px 0px #22d3ee;
  --hover-shadow: 10px 10px 0px #818cf8;
  --glass-bg: rgba(17, 24, 39, 0.75);
  --glass-border: rgba(34, 211, 238, 0.25);
  --glass-blur: blur(16px);
  --hero-glow: radial-gradient(circle at 50% 50%, rgba(34, 211, 238, 0.18), transparent 70%);
}

/* Global Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

/* Base Layout Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Elegant Grid Layouts */
.grid-2-1 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
}

@media (max-width: 900px) {
  .grid-2-1 {
    grid-template-columns: 1fr;
  }
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

/* Neo-Brutalist Cards */
.neo-card {
  background-color: var(--card-bg);
  border: 4px solid var(--border-color);
  box-shadow: var(--card-shadow);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.neo-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--hover-shadow);
}

/* Glassmorphism Navigation Bar */
.glass-nav {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 4px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.04em;
  border: 4px solid var(--border-color);
  padding: 6px 14px;
  background-color: var(--primary-color);
  color: #ffffff;
  box-shadow: 3px 3px 0px var(--border-color);
  transition: transform 0.1s ease;
}

.logo:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--border-color);
}

[data-theme="dark"] .logo {
  color: #0b0f19;
  background-color: var(--secondary-color);
}

/* Modern Toggle Button & Brutalist Buttons */
.theme-toggle-btn {
  background-color: var(--accent-color);
  border: 3px solid var(--border-color);
  padding: 8px 14px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 13px;
  cursor: pointer;
  box-shadow: 3px 3px 0px var(--border-color);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.theme-toggle-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--border-color);
}

.theme-toggle-btn:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.btn {
  display: inline-block;
  font-family: var(--font-title);
  font-weight: 900;
  text-transform: uppercase;
  padding: 10px 20px;
  border: 3px solid var(--border-color);
  box-shadow: 4px 4px 0px var(--border-color);
  cursor: pointer;
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  transform: translate(-3px, -3px);
  box-shadow: 7px 7px 0px var(--border-color);
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: #ffffff;
}

[data-theme="dark"] .btn-primary {
  color: #0b0f19;
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: #0b0f19;
}

.btn-accent {
  background-color: var(--accent-color);
  color: #0b0f19;
}

/* Beautiful Hero Dobra Section */
.hero-section {
  padding: 48px;
  margin-bottom: 40px;
  border-radius: 0;
  background-color: var(--accent-bg);
  background-image: var(--hero-glow);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(var(--glass-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--glass-border) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.25;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  background-color: var(--accent-color);
  border: 2px solid var(--border-color);
  padding: 4px 10px;
  font-family: var(--font-title);
  font-size: 11px;
  font-weight: 900;
  color: #0b0f19;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  box-shadow: 2px 2px 0 var(--border-color);
}

.hero-title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 900;
  color: var(--text-color);
  margin-bottom: 16px;
  text-shadow: 2px 2px 0 var(--card-bg);
}

[data-theme="dark"] .hero-title {
  text-shadow: 2px 2px 0 #000;
}

.hero-subtitle {
  font-size: clamp(16px, 2.2vw, 20px);
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 30px;
  line-height: 1.3;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Portal Section Headers */
.portal-section-header {
  font-size: 22px;
  border-bottom: 4px solid var(--border-color);
  padding-bottom: 10px;
  margin-bottom: 24px;
  color: var(--text-color);
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.portal-section-header::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 60px;
  height: 4px;
  background-color: var(--primary-color);
}

/* Post Cards */
.card-thumb-container {
  margin: -24px -24px 20px -24px;
  border-bottom: 4px solid var(--border-color);
  overflow: hidden;
  height: 220px;
  position: relative;
}

.card-thumb-container-medium {
  margin: -24px -24px 20px -24px;
  border-bottom: 4px solid var(--border-color);
  overflow: hidden;
  height: 180px;
  position: relative;
}

.card-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.neo-card:hover .card-thumb {
  transform: scale(1.05);
}

/* Thumbnail fallbacks */
.fallback-thumb {
  background: radial-gradient(circle at 100% 0%, var(--primary-color) 0%, transparent 60%),
              radial-gradient(circle at 0% 100%, var(--secondary-color) 0%, transparent 60%),
              var(--accent-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.fallback-thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.08;
  pointer-events: none;
}

[data-theme="dark"] .fallback-thumb::before {
  opacity: 0.15;
}

.fallback-thumb-logo {
  font-family: var(--font-title);
  font-size: 26px;
  font-weight: 900;
  color: var(--text-color);
  text-shadow: 2px 2px 0 var(--card-bg);
  letter-spacing: 0.1em;
  z-index: 1;
}

.post-tag {
  display: inline-block;
  background-color: var(--accent-color);
  border: 2px solid var(--border-color);
  padding: 4px 10px;
  font-size: 10px;
  font-weight: 900;
  text-transform: uppercase;
  color: #0b0f19;
  margin-bottom: 12px;
  box-shadow: 2px 2px 0 var(--border-color);
  letter-spacing: 0.05em;
}

.post-title {
  font-size: 20px;
  margin-bottom: 12px;
  line-height: 1.25;
}

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

.post-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.post-meta {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  border-top: 2px solid var(--border-color);
  padding-top: 12px;
  display: flex;
  justify-content: space-between;
}

/* Portal Highlights Layout */
.portal-highlights-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
}

@media (max-width: 900px) {
  .portal-highlights-grid {
    grid-template-columns: 1fr;
  }
}

.featured-article-card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.featured-article-card .card-thumb-container {
  height: 320px;
}

.featured-post-title {
  font-size: clamp(24px, 4vw, 32px);
  margin-top: 10px;
  margin-bottom: 14px;
  line-height: 1.15;
}

.featured-post-title a:hover {
  color: var(--primary-color);
}

.featured-post-excerpt {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

/* Secondary Highlights List */
.section-title-tag {
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--text-color);
  border-bottom: 3px solid var(--border-color);
  padding-bottom: 6px;
  margin-bottom: 16px;
}

.secondary-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.secondary-article-card {
  padding: 16px;
  margin-bottom: 0;
}

.secondary-card-content {
  display: flex;
  gap: 16px;
}

.secondary-thumb-container {
  width: 90px;
  height: 90px;
  border: 2px solid var(--border-color);
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}

.secondary-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mini-fallback {
  width: 90px;
  height: 90px;
  background: var(--accent-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.fallback-thumb-logo-mini {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 900;
  color: var(--text-color);
}

.secondary-text {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mini-tag {
  font-family: var(--font-title);
  font-size: 9px;
  font-weight: 800;
  color: var(--primary-color);
  text-transform: uppercase;
}

.secondary-title {
  font-size: 14px;
  line-height: 1.3;
  margin-top: 4px;
  margin-bottom: 6px;
}

.secondary-title a:hover {
  color: var(--primary-color);
}

.secondary-date {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
}

/* Optimized Professional AdSense Placeholders */
.adsense-placeholder {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 2px dashed var(--glass-border);
  padding: 16px;
  text-align: center;
  margin-bottom: 24px;
  border-radius: 0px;
  min-height: 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.adsense-placeholder::before {
  content: "PUBLICIDADE";
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
  color: var(--text-muted);
  letter-spacing: 0.2em;
  margin-bottom: 4px;
}

.adsense-placeholder::after {
  content: "Espaço reservado para anúncio";
  display: block;
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

/* Sidebar Styling */
aside {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-widget-title {
  font-size: 18px;
  margin-bottom: 16px;
  border-bottom: 3px solid var(--border-color);
  padding-bottom: 6px;
  color: var(--text-color);
}

.sidebar-about-card {
  background-color: var(--accent-bg);
}

.sidebar-about-text {
  font-size: 13px;
  color: var(--text-color);
  font-weight: 500;
}

.sidebar-categories-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-categories-list li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  padding: 4px 0;
}

.sidebar-categories-list li a:hover .cat-name {
  color: var(--primary-color);
}

.cat-badge {
  background: var(--accent-color);
  padding: 2px 8px;
  font-size: 10px;
  color: #0b0f19;
  border: 2px solid var(--border-color);
  box-shadow: 2px 2px 0 var(--border-color);
}

/* Single Post details view */
.entry-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-color);
  max-width: 720px;
}

.entry-content p {
  margin-bottom: 24px;
}

.entry-content h2, .entry-content h3 {
  margin-top: 36px;
  margin-bottom: 16px;
  border-bottom: 3px solid var(--border-color);
  padding-bottom: 6px;
}

.entry-content ul, .entry-content ol {
  margin-left: 24px;
  margin-bottom: 24px;
}

.entry-content li {
  margin-bottom: 8px;
}

/* Pagination container */
.pagination-container .page-numbers {
  display: inline-block;
  padding: 6px 12px;
  border: 2px solid var(--border-color);
  box-shadow: 2px 2px 0 var(--border-color);
  font-family: var(--font-title);
  font-weight: 900;
  background-color: var(--card-bg);
}

.pagination-container .page-numbers:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--border-color);
}

.pagination-container .current {
  background-color: var(--primary-color);
  color: #ffffff;
}

[data-theme="dark"] .pagination-container .current {
  color: #0b0f19;
}

/* Footer Styling */
footer {
  border-top: 6px solid var(--border-color);
  background-color: var(--card-bg);
  padding: 48px 0;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  margin-bottom: 40px;
}

/* Responsive Mobile Navigation */
.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  width: 100%;
  align-items: center;
}

.menu-toggle-checkbox {
  display: none;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  border: 3px solid var(--border-color);
  padding: 8px;
  background-color: var(--card-bg);
  box-shadow: 2px 2px 0 var(--border-color);
}

.mobile-menu-btn span {
  display: block;
  width: 20px;
  height: 3px;
  background-color: var(--text-color);
}

@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  
  .mobile-nav-header {
    display: flex;
  }
  
  .main-nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 12px;
    border-top: 2px solid var(--border-color);
    padding-top: 16px;
    margin-top: 8px;
  }
  
  .menu-toggle-checkbox:checked ~ .main-nav-links {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .hero-section {
    padding: 24px;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
}