/* ============================================
   BLOG STYLES - culturalbar.com.br
   Design: Dark theme with gold accents
   ============================================ */

/* CSS Reset & Variables */
:root {
  --bg-primary: #0a0a14;
  --bg-secondary: #111118;
  --bg-card: #16161e;
  --text-primary: #fff8e1;
  --text-secondary: #b0b0b0;
  --text-muted: #888888;
  --gold-primary: #ffc107;
  --gold-secondary: #ff9800;
  --gold-gradient: linear-gradient(135deg, #ffc107, #ff9800);
  --border-color: rgba(255, 193, 7, 0.2);
  --shadow-gold: 0 4px 20px rgba(255, 193, 7, 0.15);
  --font-stack: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --max-width: 80rem;
  --header-height: 80px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-stack);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold-primary);
  color: var(--bg-primary);
  padding: 0.75rem 1.5rem;
  border-radius: 0 0 0.5rem 0.5rem;
  font-weight: 600;
  z-index: 9999;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(10, 10, 20, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.nav-desktop {
  display: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
  padding: 0.5rem 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--gold-primary);
}

/* Mobile Menu Button */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  min-height: 48px;
  min-width: 48px;
  align-items: center;
  justify-content: center;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
}

/* CTA Button */
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--gold-gradient);
  color: var(--bg-primary);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  min-height: 48px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

/* Mobile Navigation */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  padding: 2rem 1.5rem;
  z-index: 999;
}

.nav-mobile.open {
  display: block;
}

.nav-mobile ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.nav-mobile a {
  display: block;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.1rem;
  padding: 1rem;
  border-radius: 0.5rem;
  min-height: 48px;
  transition: background 0.2s;
}

.nav-mobile a:hover,
.nav-mobile a.active {
  background: var(--bg-card);
  color: var(--gold-primary);
}

/* ============================================
   MAIN CONTENT
   ============================================ */
main {
  padding-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.article-container {
  max-width: 50rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================
   BREADCRUMBS
   ============================================ */
.breadcrumbs {
  padding: 1.5rem 0;
  font-size: 0.875rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  align-items: center;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumbs a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumbs a:hover {
  color: var(--gold-primary);
}

.breadcrumbs .separator {
  color: var(--text-muted);
}

.breadcrumbs .current {
  color: var(--text-secondary);
}

/* ============================================
   ARTICLE HEADER
   ============================================ */
.article-header {
  padding: 2rem 0 3rem;
  text-align: center;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.category-badge {
  background: var(--gold-gradient);
  color: var(--bg-primary);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
}

.article-title {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

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

.article-author span {
  color: var(--gold-primary);
}

/* Featured Image */
.featured-image {
  position: relative;
  aspect-ratio: 16/9;
  border-radius: 1rem;
  overflow: hidden;
  margin-bottom: 3rem;
  background: var(--bg-card);
}

.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================
   ARTICLE CONTENT
   ============================================ */
.article-content {
  padding-bottom: 3rem;
}

.article-content > * + * {
  margin-top: 1.5rem;
}

.article-content h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 3rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.article-content h3 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.article-content p {
  color: var(--text-secondary);
  line-height: 1.8;
}

.article-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.article-content a {
  color: var(--gold-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-content a:hover {
  color: var(--gold-secondary);
}

.article-content ul,
.article-content ol {
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

.article-content li {
  margin-bottom: 0.5rem;
  padding-left: 0.5rem;
}

.article-content li::marker {
  color: var(--gold-primary);
}

.article-content blockquote {
  border-left: 4px solid var(--gold-primary);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--text-secondary);
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 0.75rem;
  margin: 2rem 0;
}

/* Introduction paragraph */
.intro {
  font-size: 1.15rem;
  color: var(--text-primary);
  line-height: 1.8;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section {
  padding: 3rem 0;
  border-top: 1px solid var(--border-color);
}

.faq-section h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 2rem;
  text-align: center;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  min-height: 48px;
  transition: color 0.2s;
}

.faq-question:hover {
  color: var(--gold-primary);
}

.faq-question svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: transform 0.3s;
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  display: block;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  padding: 4rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  text-align: center;
  margin: 3rem 0;
}

.cta-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-section p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   BLOG LISTING (index.html)
   ============================================ */
.blog-header {
  padding: 4rem 0 3rem;
  text-align: center;
}

.blog-header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.blog-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 36rem;
  margin: 0 auto;
}

.blog-grid {
  display: grid;
  gap: 2rem;
  padding-bottom: 4rem;
}

/* Card Styles */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
  border-color: var(--gold-primary);
}

.card-image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-secondary);
}

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

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

.card-category {
  position: absolute;
  top: 1rem;
  left: 1rem;
}

.card-content {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.card-title a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.2s;
}

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

.card-excerpt {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.card-link {
  color: var(--gold-primary);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  min-height: 48px;
  transition: gap 0.2s;
}

.card-link:hover {
  gap: 0.5rem;
}

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

.footer-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 1rem;
  max-width: 20rem;
}

.footer-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--gold-primary);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
  display: inline-block;
  padding: 0.25rem 0;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.footer-section a:hover {
  color: var(--gold-primary);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ============================================
   WHATSAPP BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: transform 0.2s, box-shadow 0.2s;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: white;
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* Tablet: 640px+ */
@media (min-width: 640px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop: 1024px+ */
@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
  
  .menu-toggle {
    display: none;
  }
  
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
  
  .article-header {
    padding: 3rem 0 4rem;
  }
}

/* Large Desktop: 1280px+ */
@media (min-width: 1280px) {
  :root {
    --header-height: 88px;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.gold-text {
  color: var(--gold-primary);
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}