/* ==========================================================================
   GESTAOPORCOMPETENCIAS.COM.BR - DESIGN SYSTEM "EMERALD SLATE"
   Alta Performance, Jamstack Semântico & Acessibilidade WCAG 2.2 AA
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap');

:root {
  /* Cores Base - Tema Claro */
  --primary: #0D7A5F;
  --primary-light: #E6F4F1;
  --primary-hover: #0A614B;
  --primary-rgb: 13, 122, 95;
  
  --accent-coral: #EA580C;
  --accent-coral-hover: #C2410C;
  --accent-coral-light: #FFF7ED;
  
  --bg-page: #F8FAFC;
  --surface: #FFFFFF;
  --surface-card: #FFFFFF;
  --surface-elevated: #F1F5F9;
  
  --text-main: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --border-color: #E2E8F0;
  
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --container-max: 1200px;
  --header-height: 72px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

body.dark-theme {
  --primary: #10B981;
  --primary-light: rgba(16, 185, 129, 0.12);
  --primary-hover: #34D399;
  --primary-rgb: 16, 185, 129;
  
  --accent-coral: #F97316;
  --accent-coral-hover: #FB923C;
  --accent-coral-light: rgba(249, 115, 22, 0.15);
  
  --bg-page: #0B0F19;
  --surface: #111827;
  --surface-card: #162032;
  --surface-elevated: #1F293D;
  
  --text-main: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --border-color: #1E293B;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.6);
}

/* Reset Universal & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

/* Acessibilidade: Skip to Content */
.skip-to-content {
  position: absolute;
  top: -60px;
  left: 20px;
  background: var(--primary);
  color: #FFFFFF;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--transition-fast);
  text-decoration: none;
}
.skip-to-content:focus {
  top: 15px;
}

/* Links & Botões Básicos */
a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--primary-hover);
}

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

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* HEADER & NAVBAR */
.site-header {
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  height: var(--header-height);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}
body.dark-theme .site-header {
  background-color: rgba(17, 24, 39, 0.88);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-main);
  text-decoration: none;
}
.brand-logo .brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #059669);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.15rem;
  box-shadow: 0 4px 10px rgba(var(--primary-rgb), 0.3);
}
.brand-logo .brand-sub {
  display: block;
  font-size: 0.72rem;
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: var(--primary);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle, .btn-icon {
  background: var(--surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}
.theme-toggle:hover, .btn-icon:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

.fav-badge-wrap {
  position: relative;
}
.fav-count-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--accent-coral);
  color: #FFFFFF;
  font-size: 0.7rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Botões do Sistema */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.28);
}
.btn-primary:hover {
  background: var(--primary-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(var(--primary-rgb), 0.35);
}

.btn-coral {
  background: var(--accent-coral);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(234, 88, 12, 0.3);
}
.btn-coral:hover {
  background: var(--accent-coral-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(234, 88, 12, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1.5px solid var(--border-color);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.btn-sm {
  padding: 7px 14px;
  font-size: 0.85rem;
}
.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
}

/* Mobile Menu Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-main);
  cursor: pointer;
  padding: 6px;
}

/* HERO SECTION */
.hero-section {
  padding: 64px 0 54px;
  background: linear-gradient(180deg, var(--primary-light) 0%, transparent 100%);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-main);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.hero-title .text-gradient {
  background: linear-gradient(135deg, var(--primary), #059669);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}
.stat-item .stat-num {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
}
.stat-item .stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* SECTION TITLES */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.section-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.25;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* CARDS DE ARTIGO */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.article-card {
  background: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
  box-shadow: var(--shadow-sm);
}
.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(var(--primary-rgb), 0.3);
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.category-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.78rem;
}

.article-card-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-main);
  margin-bottom: 12px;
}
.article-card-title a {
  color: inherit;
}
.article-card-title a:hover {
  color: var(--primary);
}

.article-excerpt {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.55;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
}
.read-more-link {
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.read-more-link:hover {
  gap: 8px;
}

/* BUSCA CLIENT-SIDE */
.search-wrapper {
  position: relative;
  max-width: 640px;
  margin: 0 auto 36px;
}
.search-input {
  width: 100%;
  padding: 16px 20px 16px 52px;
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--surface);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}
.search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.15);
}
.search-icon-svg {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* CATEGORIAS CHIPS */
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 40px;
}
.chip-btn {
  background: var(--surface);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.chip-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.chip-btn.active {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
}

/* FOOTER */
.site-footer {
  margin-top: auto;
  background: var(--surface);
  border-top: 1px solid var(--border-color);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-col-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-top: 16px;
  max-width: 360px;
}
.footer-heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}
.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* TOAST NOTIFICATION */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--text-main);
  color: var(--surface);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  display: none;
  animation: slideUp 0.25s ease-out;
}
@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* RESPONSIVIDADE */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-badge, .hero-actions {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    display: none;
    box-shadow: var(--shadow-lg);
  }
  .main-nav.open {
    display: flex;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .articles-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}