/* ==========================================================================
   DESIGN SYSTEM - PORTAL COMPARATIVO & RANKING TESTE IPTV
   Skill: pure-html-websites
   ========================================================================== */

:root {
  /* Cores HSL & Tokens Visuais */
  --bg-dark: hsl(222, 47%, 7%);
  --bg-dark-surface: hsl(222, 40%, 11%);
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  
  --border-glass: rgba(255, 255, 255, 0.12);
  --border-glow: rgba(6, 182, 212, 0.4);
  
  --primary-cyan: #06b6d4;
  --primary-purple: #8b5cf6;
  --gold-amber: #f59e0b;
  --silver-slate: #94a3b8;
  --bronze-accent: #d97706;
  --whatsapp-green: #25d366;
  --whatsapp-green-hover: #1eb954;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-highlight: #38bdf8;
  
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --shadow-glow-cyan: 0 0 25px rgba(6, 182, 212, 0.3);
  --shadow-glow-gold: 0 0 25px rgba(245, 158, 11, 0.3);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-full: 9999px;
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Global com Otimização para Core Web Vitals (Zero CLS & LCP Rápido) */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(139, 92, 246, 0.15) 0%, transparent 45%),
    radial-gradient(circle at 85% 65%, rgba(6, 182, 212, 0.15) 0%, transparent 45%);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-body);
  font-display: swap; /* Previne CLS / FOIT em carregamento de fontes */
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Otimização de Renderização para Core Web Vitals */
.ranking-card, .cluster-card, .faq-item {
  content-visibility: auto; /* Acelera LCP e reduz tempo de renderização inicial */
  contain-intrinsic-size: 1px 180px; /* Previne Layout Shift (CLS) */
}

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

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary-cyan) 0%, var(--primary-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-gold {
  background: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Breadcrumb Bar */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  list-style: none;
  flex-wrap: wrap;
}

.breadcrumb-item a {
  color: var(--primary-cyan);
  transition: var(--transition-smooth);
}

.breadcrumb-item a:hover {
  text-decoration: underline;
}

.breadcrumb-separator {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* Navbar (Glassmorphism Header) */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  padding: 1rem 0;
  transition: var(--transition-smooth);
}

.header__nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.logo-badge {
  background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple));
  color: #fff;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.nav-link:hover {
  color: var(--primary-cyan);
}

.btn-header {
  background: linear-gradient(135deg, var(--whatsapp-green), var(--whatsapp-green-hover));
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
  transition: var(--transition-smooth);
}

.btn-header:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

/* Hero Section */
.hero {
  padding-top: 8.5rem;
  padding-bottom: 4rem;
  text-align: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-cyan);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 800px;
  margin: 0 auto 2.5rem;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.btn-cta-main {
  background: linear-gradient(135deg, var(--whatsapp-green), #16a34a);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  padding: 1rem 2rem;
  border-radius: var(--radius-lg);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  transition: var(--transition-smooth);
}

.btn-cta-main:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(37, 211, 102, 0.6);
}

.btn-cta-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  padding: 1rem 1.75rem;
  border-radius: var(--radius-lg);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: var(--transition-smooth);
}

.btn-cta-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-3px);
  border-color: var(--primary-cyan);
}

/* Trust Badges / Stats Bar */
.trust-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(12px);
  margin-bottom: 4rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-align: left;
}

.trust-icon {
  font-size: 2rem;
  background: rgba(6, 182, 212, 0.15);
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-cyan);
}

.trust-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
}

.trust-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Section Titles */
.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 3rem;
}

.section-tag {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-cyan);
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Ranking Cards Grid */
.ranking-grid {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  margin-bottom: 5rem;
}

/* Individual Ranking Card */
.ranking-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: grid;
  grid-template-columns: 80px 1fr 220px 220px;
  align-items: center;
  gap: 1.5rem;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-card);
}

.ranking-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
}

/* Winner Highlight Card (#1) */
.ranking-card--gold {
  border: 2px solid var(--gold-amber);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, rgba(15, 23, 42, 0.85) 100%);
  box-shadow: var(--shadow-glow-gold);
}

.ranking-card--silver {
  border: 1.5px solid var(--silver-slate);
}

.ranking-card--bronze {
  border: 1.5px solid var(--bronze-accent);
}

/* Rank Position Badge */
.rank-badge {
  width: 68px;
  height: 68px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 900;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
}

.rank-badge--gold {
  background: linear-gradient(135deg, #fbbf24, #d97706);
  color: #000;
  border: none;
}

.rank-badge--silver {
  background: linear-gradient(135deg, #e2e8f0, #64748b);
  color: #000;
  border: none;
}

.rank-badge--bronze {
  background: linear-gradient(135deg, #f59e0b, #b45309);
  color: #fff;
  border: none;
}

.rank-number {
  font-size: 1.5rem;
  line-height: 1;
}

.rank-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  font-weight: 800;
}

/* Site Details in Card */
.site-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.site-header-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.site-name {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
}

.badge-tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.badge-tag--gold {
  background: rgba(245, 158, 11, 0.2);
  border: 1px solid var(--gold-amber);
  color: #fbbf24;
}

.badge-tag--cyan {
  background: rgba(6, 182, 212, 0.2);
  border: 1px solid var(--primary-cyan);
  color: var(--primary-cyan);
}

.site-pros {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

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

.site-pros li::before {
  content: "✓";
  color: var(--whatsapp-green);
  font-weight: 900;
}

/* Score Metrics */
.score-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.score-value {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--gold-amber);
  line-height: 1;
}

.score-max {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.stars {
  color: var(--gold-amber);
  font-size: 0.9rem;
  margin: 0.3rem 0;
}

.score-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

/* Card Action Buttons */
.card-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.btn-card-wa {
  background: linear-gradient(135deg, var(--whatsapp-green), #16a34a);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.925rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.25);
  transition: var(--transition-smooth);
}

.btn-card-wa:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}

.btn-card-site {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  text-align: center;
  transition: var(--transition-smooth);
}

.btn-card-site:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
}

/* Cluster Grid Component */
.cluster-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.cluster-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cluster-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-cyan);
  background: var(--bg-card-hover);
}

.cluster-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.cluster-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.cluster-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  flex: 1;
}

.cluster-link {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-cyan);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-smooth);
}

.cluster-link:hover {
  gap: 0.6rem;
  color: var(--text-highlight);
}

/* Internal Link Banner Callout */
.hub-callout {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin: 3rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.hub-callout-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.hub-callout-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Comparison Matrix Table */
.table-wrapper {
  overflow-x: auto;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  margin-bottom: 5rem;
  backdrop-filter: blur(12px);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 800px;
}

.comparison-table th, 
.comparison-table td {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--border-glass);
}

.comparison-table th {
  background: rgba(0, 0, 0, 0.4);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

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

.comparison-table tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

/* FAQ Accordion Section */
.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 850px;
  margin: 0 auto 5rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-item:hover {
  border-color: var(--border-glow);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.faq-answer {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  display: none;
  line-height: 1.6;
}

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

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-icon {
  transition: var(--transition-smooth);
  color: var(--primary-cyan);
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  background: linear-gradient(135deg, var(--whatsapp-green), #16a34a);
  color: #fff;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
  animation: pulse-glow 2s infinite;
  transition: var(--transition-smooth);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.7);
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { box-shadow: 0 0 0 18px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Galeria de Imagens de Alta Definição */
.photo-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
  margin: 3rem 0 5rem;
}

.photo-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
}

.photo-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-cyan);
  box-shadow: var(--shadow-glow-cyan);
}

.photo-img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
  transition: var(--transition-smooth);
}

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

.photo-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.25rem;
  background: linear-gradient(180deg, transparent 0%, rgba(11, 15, 25, 0.95) 100%);
}

.photo-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.photo-desc {
  font-size: 0.85rem;
  color: var(--primary-cyan);
  font-weight: 600;
}

/* Footer */
.footer {
  background: rgba(5, 8, 15, 0.95);
  border-top: 1px solid var(--border-glass);
  padding: 3rem 0 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin: 1.5rem 0;
  list-style: none;
  flex-wrap: wrap;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .ranking-card {
    grid-template-columns: 70px 1fr;
  }
  .score-box {
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: space-around;
  }
  .card-actions {
    grid-column: 1 / -1;
    flex-direction: row;
  }
  .btn-card-wa, .btn-card-site {
    flex: 1;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }
  .ranking-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 1.25rem;
  }
  .rank-badge {
    margin: 0 auto;
  }
  .site-header-row {
    justify-content: center;
  }
  .site-pros {
    text-align: left;
  }
  .card-actions {
    flex-direction: column;
  }
  .whatsapp-float {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 56px;
    height: 56px;
    font-size: 1.8rem;
  }
}