/* ==========================================================================
   LISTA-IPTV.ONLINE — DESIGN SYSTEM & ESTILOS GERAIS
   Paleta: Obsidian (#07070D) · Cyber Cyan (#00F2FE) · Electric Purple (#8B5CF6) · Emerald (#10B981)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Outfit:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Cores Base */
  --bg-main: #06060B;
  --bg-card: #0D0D18;
  --bg-card-hover: #141426;
  --bg-glass: rgba(18, 18, 35, 0.7);
  --bg-glass-heavy: rgba(13, 13, 24, 0.92);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 254, 0.35);
  --border-purple: rgba(139, 92, 246, 0.35);

  /* Acentos Vibrantes */
  --primary-cyan: #00F2FE;
  --primary-blue: #4FACFE;
  --primary-purple: #8B5CF6;
  --primary-purple-dark: #6D28D9;
  --accent-emerald: #10B981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.35);
  --accent-gold: #FBBF24;
  --accent-red: #EF4444;

  /* Texto */
  --text-white: #FFFFFF;
  --text-main: #F1F5F9;
  --text-muted: #94A3B8;
  --text-faint: #64748B;

  /* Tipografia */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Efeitos e Sombras */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-pill: 9999px;

  --shadow-glow-cyan: 0 0 35px -5px rgba(0, 242, 254, 0.45);
  --shadow-glow-purple: 0 0 35px -5px rgba(139, 92, 246, 0.45);
  --shadow-glow-emerald: 0 0 30px -5px rgba(16, 185, 129, 0.5);
  --shadow-card: 0 16px 40px -12px rgba(0, 0, 0, 0.7);

  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1240px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(139, 92, 246, 0.15), transparent 45%),
    radial-gradient(circle at 85% 20%, rgba(0, 242, 254, 0.12), transparent 40%),
    radial-gradient(circle at 50% 65%, rgba(16, 185, 129, 0.08), transparent 50%),
    linear-gradient(180deg, #06060B 0%, #090914 50%, #06060B 100%);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

ul, ol {
  list-style: none;
}

button, input, select {
  font: inherit;
  border: none;
  outline: none;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-white);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.3rem, 5.5vw, 4rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.8rem, 3.8vw, 2.7rem);
}

h3 {
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
}

p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary-cyan) 0%, var(--primary-blue) 50%, var(--primary-purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-gradient-emerald {
  background: linear-gradient(135deg, #34D399 0%, #059669 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-cyan { color: var(--primary-cyan); }
.text-emerald { color: var(--accent-emerald); }
.text-purple { color: var(--primary-purple); }
.text-gold { color: var(--accent-gold); }

/* Layout Utilitários */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 90px 0;
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 56px;
}

.section-head h2 {
  margin-bottom: 16px;
}

.section-head p {
  font-size: 1.15rem;
  color: var(--text-muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--border-glow);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-cyan);
  margin-bottom: 20px;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.15);
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.4);
  color: var(--accent-emerald);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.2);
}

.badge-purple {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.4);
  color: var(--primary-purple);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.2);
}

.badge .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 0 4px var(--accent-emerald-glow);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: var(--transition-smooth);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-cyan) 0%, var(--primary-blue) 100%);
  color: #050510;
  box-shadow: var(--shadow-glow-cyan);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 45px 0 rgba(0, 242, 254, 0.7);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow-emerald);
}

.btn-whatsapp:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 45px 0 rgba(16, 185, 129, 0.7);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-white);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  color: var(--text-white);
}

.btn-purple {
  background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow-purple);
}

.btn-purple:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 45px 0 rgba(139, 92, 246, 0.7);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.88rem;
}

.btn-lg {
  padding: 18px 38px;
  font-size: 1.12rem;
}

.btn-block {
  width: 100%;
}

.btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Header & Navegação */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass-heavy);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #050510;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.1;
}

.brand-text span {
  color: var(--primary-cyan);
}

.brand-text small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--accent-emerald);
  font-weight: 600;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-white);
  background: rgba(255, 255, 255, 0.06);
}

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

.menu-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-white);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero h1 {
  margin-bottom: 22px;
}

.hero-lead {
  font-size: 1.2rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.hero-lead strong {
  color: var(--text-white);
  font-weight: 600;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-social-proof {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.rating-stars {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--accent-gold);
}

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

.rating-text strong {
  color: var(--text-white);
}

.hero-stats-row {
  display: flex;
  gap: 24px;
}

.stat-item b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text-white);
}

.stat-item span {
  font-size: 0.76rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Hero Visual Box / Cyber Card */
.hero-visual-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-card), var(--shadow-glow-cyan);
  overflow: hidden;
}

.hero-visual-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.15), transparent 70%);
  pointer-events: none;
}

.visual-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.live-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-emerald);
  text-transform: uppercase;
}

.live-indicator .pulse {
  width: 8px;
  height: 8px;
  background: var(--accent-emerald);
  border-radius: 50%;
  animation: pulseDot 1.5s infinite;
}

.stream-preview {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #020205;
  border: 1px solid rgba(255, 255, 255, 0.05);
  margin-bottom: 20px;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stream-preview-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(6, 6, 11, 0.95) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
}

.stream-channel-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-white);
}

.stream-tags {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}

.tag-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
}

.tag-badge.badge-4k {
  background: var(--accent-gold);
  color: #000;
}

.tag-badge.badge-hdr {
  background: var(--primary-cyan);
  color: #000;
}

.visual-features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.v-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.84rem;
  color: var(--text-main);
}

.v-feature svg {
  color: var(--accent-emerald);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Trust Bar / Logos */
.trust-bar {
  padding: 30px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(13, 13, 24, 0.4);
}

.trust-items {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.trust-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-cyan);
  flex-shrink: 0;
}

.trust-info h4 {
  font-size: 0.96rem;
  margin-bottom: 2px;
}

.trust-info p {
  font-size: 0.8rem;
  color: var(--text-faint);
  margin: 0;
}

/* Buscador Interativo de Canais */
.channel-finder-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.channel-search-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  position: relative;
}

.channel-search-input {
  flex: 1;
  background: rgba(6, 6, 11, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 16px 24px 16px 52px;
  font-size: 1.05rem;
  color: var(--text-white);
  transition: var(--transition-smooth);
}

.channel-search-input:focus {
  border-color: var(--primary-cyan);
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.25);
}

.channel-search-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 22px;
  height: 22px;
}

.channel-categories {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.category-pill {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.category-pill:hover, .category-pill.active {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.15), rgba(139, 92, 246, 0.15));
  border-color: var(--primary-cyan);
  color: var(--text-white);
}

.channel-grid-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  max-height: 380px;
  overflow-y: auto;
  padding-right: 6px;
}

.channel-grid-preview::-webkit-scrollbar {
  width: 6px;
}

.channel-grid-preview::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 4px;
}

.channel-card-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
}

.channel-card-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(0, 242, 254, 0.4);
  transform: translateY(-2px);
}

.channel-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.channel-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(0, 242, 254, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-cyan);
  font-size: 0.8rem;
  font-weight: 700;
}

.channel-name-txt {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-white);
}

.channel-cat-txt {
  font-size: 0.72rem;
  color: var(--text-faint);
}

.channel-quality-badge {
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Grids & Cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
  position: relative;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-card), 0 0 30px rgba(0, 242, 254, 0.15);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.15), rgba(139, 92, 246, 0.15));
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-cyan);
  margin-bottom: 22px;
}

.card-icon svg {
  width: 28px;
  height: 28px;
}

.card h3 {
  margin-bottom: 12px;
}

.card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Planos / Preços */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-smooth);
}

.pricing-card.featured {
  border-color: var(--primary-cyan);
  background: linear-gradient(180deg, rgba(0, 242, 254, 0.08) 0%, var(--bg-card) 45%);
  box-shadow: var(--shadow-glow-cyan);
  transform: scale(1.03);
  z-index: 2;
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-cyan);
}

.pricing-card.featured:hover {
  transform: scale(1.03) translateY(-8px);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
  color: #050510;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.4);
}

.plan-period-name {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-cyan);
  margin-bottom: 12px;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}

.plan-currency {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-white);
}

.plan-amount {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1;
}

.plan-cents {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.plan-subtitle {
  font-size: 0.85rem;
  color: var(--accent-emerald);
  font-weight: 600;
  margin-bottom: 24px;
}

.plan-features-list {
  margin-bottom: 32px;
  flex: 1;
}

.plan-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-main);
  margin-bottom: 14px;
}

.plan-features-list li svg {
  width: 18px;
  height: 18px;
  color: var(--accent-emerald);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Passo a Passo */
.steps-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  position: relative;
  text-align: center;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple));
  color: #050510;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
}

.step-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.step-card p {
  font-size: 0.9rem;
}

/* Grade de Dispositivos */
.devices-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.device-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transition: var(--transition-smooth);
}

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

.device-card svg {
  width: 36px;
  height: 36px;
  color: var(--primary-cyan);
}

.device-card span {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-white);
}

/* Configurador Interativo M3U */
.configurator-box {
  background: linear-gradient(135deg, rgba(13, 13, 24, 0.9), rgba(18, 18, 35, 0.9));
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: 42px;
  box-shadow: var(--shadow-card), var(--shadow-glow-cyan);
}

.config-step {
  margin-bottom: 28px;
}

.config-step-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.device-selector-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.device-btn-opt {
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.device-btn-opt:hover, .device-btn-opt.selected {
  background: var(--primary-cyan);
  border-color: var(--primary-cyan);
  color: #050510;
  font-weight: 700;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
}

.config-result-panel {
  background: rgba(6, 6, 11, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 24px;
}

.config-result-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-emerald);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

/* Depoimentos / Reviews */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-stars {
  display: flex;
  gap: 4px;
  color: var(--accent-gold);
  margin-bottom: 14px;
}

.review-text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-main);
  margin-bottom: 20px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  color: #050510;
}

.author-info b {
  display: block;
  font-size: 0.92rem;
  color: var(--text-white);
}

.author-info span {
  font-size: 0.78rem;
  color: var(--text-faint);
}

/* FAQ Accordion */
.faq-container {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 12px;
}

.faq-btn {
  width: 100%;
  background: none;
  border: none;
  padding: 22px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-white);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.faq-btn:hover {
  color: var(--primary-cyan);
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-cyan);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--primary-cyan);
  color: #050510;
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-body p {
  padding: 0 10px 22px;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-muted);
}

/* CTA Band */
.cta-band {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.25) 0%, rgba(0, 242, 254, 0.15) 100%), #0D0D18;
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-glow-cyan);
}

.cta-band h2 {
  margin-bottom: 16px;
}

.cta-band p {
  max-width: 640px;
  margin: 0 auto 36px;
  font-size: 1.15rem;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Floating WhatsApp Widget */
.floating-whatsapp {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 12px;
}

.floating-whatsapp-tooltip {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-white);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-card);
  animation: floatTooltip 3s infinite ease-in-out;
}

@keyframes floatTooltip {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-6px); }
}

.floating-whatsapp-btn {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10B981, #059669);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 8px 30px rgba(16, 185, 129, 0.5);
  transition: var(--transition-smooth);
}

.floating-whatsapp-btn:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 40px rgba(16, 185, 129, 0.7);
}

.floating-whatsapp-btn svg {
  width: 32px;
  height: 32px;
}

/* Footer */
.site-footer {
  background: #040408;
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 30px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 50px;
}

.footer-brand p {
  font-size: 0.92rem;
  max-width: 320px;
  margin: 18px 0 24px;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary-cyan);
  margin-bottom: 20px;
}

.footer-col li {
  margin-bottom: 12px;
}

.footer-col a {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.footer-col a:hover {
  color: var(--text-white);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.84rem;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: 16px;
}

/* Notificação Toast Flutuante */
.sales-toast {
  position: fixed;
  bottom: 26px;
  left: 26px;
  z-index: 900;
  background: var(--bg-glass-heavy);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-card);
  transform: translateY(150%);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  max-width: 320px;
}

.sales-toast.show {
  transform: translateY(0);
}

.toast-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-emerald);
  flex-shrink: 0;
}

.toast-content p {
  font-size: 0.82rem;
  color: var(--text-white);
  margin: 0;
}

.toast-content span {
  font-size: 0.72rem;
  color: var(--text-faint);
}

/* Responsividade */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-container {
    grid-template-columns: repeat(2, 1fr);
  }
  .devices-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .trust-items {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  .nav-menu {
    position: fixed;
    top: 74px;
    left: 16px;
    right: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    flex-direction: column;
    padding: 20px;
    display: none;
    box-shadow: var(--shadow-card);
    z-index: 1001;
  }
  .nav-menu.open {
    display: flex;
  }
  .menu-toggle {
    display: flex;
  }
  .nav-actions .btn-whatsapp {
    display: none;
  }
  .grid-3, .grid-4, .reviews-grid, .pricing-grid, .steps-container {
    grid-template-columns: 1fr;
  }
  .devices-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-items {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .cta-band {
    padding: 40px 20px;
  }
  .floating-whatsapp-tooltip {
    display: none;
  }
}