/* ==========================================================================
   IEI DIGITAL - Design System & Modern Responsive Stylesheet
   Theme: Aurora Tech / Midnight Dark Mode (High-Converting CRO Landing Page)
   ========================================================================== */

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

:root {
  /* Core Color Palette */
  --bg-darkest: #07090E;
  --bg-dark: #0D111A;
  --bg-card: rgba(19, 26, 38, 0.7);
  --bg-card-hover: rgba(28, 38, 55, 0.85);
  --bg-card-active: rgba(30, 41, 65, 0.95);
  --bg-glass: rgba(255, 255, 255, 0.03);
  
  /* Aurora Tech Gradients & Accents */
  --aurora-blue: #3B82F6;
  --aurora-purple: #7C3AED;
  --aurora-cyan: #06B6D4;
  --aurora-teal: #14B8A6;
  --aurora-amber: #F59E0B;
  --whatsapp-green: #25D366;
  --whatsapp-hover: #20BA59;
  
  --grad-aurora: linear-gradient(135deg, #3B82F6 0%, #7C3AED 100%);
  --grad-aurora-glow: linear-gradient(135deg, rgba(59, 130, 246, 0.25) 0%, rgba(124, 58, 237, 0.25) 100%);
  --grad-card-border: linear-gradient(135deg, rgba(59, 130, 246, 0.4) 0%, rgba(124, 58, 237, 0.1) 50%, rgba(255, 255, 255, 0.05) 100%);
  --grad-cyan-blue: linear-gradient(135deg, #22D3EE 0%, #3B82F6 100%);
  --grad-amber: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  --grad-text: linear-gradient(135deg, #FFFFFF 20%, #94A3B8 100%);
  --grad-text-aurora: linear-gradient(135deg, #60A5FA 0%, #C084FC 100%);

  /* Text Colors */
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-contrast: #07090E;

  /* Borders & Shadows */
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-focus: rgba(99, 102, 241, 0.5);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 10px 30px -5px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.6);
  --shadow-aurora: 0 12px 36px -8px rgba(99, 102, 241, 0.35);
  --shadow-whatsapp: 0 10px 30px -5px rgba(37, 211, 102, 0.4);

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

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

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

body {
  background-color: var(--bg-darkest);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(124, 58, 237, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 50% 85%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
  background-attachment: fixed;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

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

img, svg {
  display: block;
  max-width: 100%;
}

ul {
  list-style: none;
}

button, input {
  font-family: inherit;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Section Header Utility */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #38BDF8;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 0.35rem 1rem;
  border-radius: 9999px;
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.text-center {
  text-align: center;
}

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

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition-normal);
  background: rgba(7, 9, 14, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

.header.scrolled {
  padding: 0.75rem 0;
  background: rgba(7, 9, 14, 0.92);
  border-bottom-color: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-sm);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-brand img {
  height: 72px;
  width: auto;
  display: block;
  transition: height var(--transition-normal), transform var(--transition-fast);
}

.nav-brand:hover img {
  transform: scale(1.03);
}

.header.scrolled .nav-brand img {
  height: 58px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.35rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--grad-aurora);
  transition: width var(--transition-fast);
  border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-nav-cta {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 0.65rem 1.35rem;
  border-radius: 9999px;
  background: var(--grad-aurora);
  color: #FFFFFF;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(124, 58, 237, 0.45);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text-primary);
}

.mobile-toggle svg {
  width: 28px;
  height: 28px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  padding-top: 9.5rem;
  padding-bottom: 5.5rem;
  position: relative;
  overflow: hidden;
}

.hero-glow-bg {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 650px;
  height: 450px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.18) 0%, rgba(124, 58, 237, 0.08) 50%, transparent 70%);
  filter: blur(80px);
  z-index: 0;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.45rem 1.15rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  color: #E2E8F0;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
}

.badge-pill .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22D3EE;
  box-shadow: 0 0 10px #22D3EE;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(34, 211, 238, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 211, 238, 0); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.35rem, 5.5vw, 3.85rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

/* Estilo Inspirado em Revolution WebAgency */
.hero-webagency-title {
  font-family: var(--font-heading);
  font-size: clamp(3.75rem, 9vw, 7rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.04em;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5), 0 0 40px rgba(59, 130, 246, 0.2);
}

.hero-accent-divider {
  width: 70px;
  height: 4px;
  background: var(--grad-cyan-blue);
  border-radius: 9999px;
  margin: 0 auto 1.5rem;
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.7);
}

.hero-typewriter-wrapper {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  margin-bottom: 1.75rem;
}

.typewriter-text {
  font-family: Georgia, 'Times New Roman', serif;
  font-style: italic;
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 400;
  color: #38BDF8;
  background: linear-gradient(135deg, #38BDF8 0%, #A855F7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  letter-spacing: -0.01em;
}

.typewriter-cursor {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 300;
  color: #38BDF8;
  animation: blinkCursor 0.8s infinite;
  margin-left: 2px;
  display: inline-block;
  vertical-align: middle;
}

@keyframes blinkCursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-subtitle {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 2.5rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.btn-primary {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  padding: 0.95rem 2rem;
  border-radius: 12px;
  background: var(--grad-aurora);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-aurora);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px -6px rgba(124, 58, 237, 0.5);
}

.btn-secondary {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  padding: 0.95rem 1.85rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* Botão de Vídeo / Play Modal */
.btn-video-hero {
  border-color: rgba(56, 189, 248, 0.3);
  background: rgba(56, 189, 248, 0.08);
  color: #F8FAFC;
  position: relative;
}

.btn-video-hero:hover {
  background: rgba(56, 189, 248, 0.18);
  border-color: rgba(56, 189, 248, 0.6);
  color: #FFFFFF;
  box-shadow: 0 0 25px rgba(56, 189, 248, 0.3);
}

.play-icon-bubble {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--grad-aurora);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.6);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.btn-video-hero:hover .play-icon-bubble {
  transform: scale(1.15);
}

.btn-whatsapp-hero {
  border-color: rgba(37, 211, 102, 0.3);
  background: rgba(37, 211, 102, 0.08);
  color: #4ADE80;
}

.btn-whatsapp-hero:hover {
  background: rgba(37, 211, 102, 0.16);
  border-color: rgba(37, 211, 102, 0.5);
  color: #FFFFFF;
}

/* Hero Social Proof Mini Row */
.hero-proof-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
}

.proof-item svg {
  color: #22D3EE;
  flex-shrink: 0;
}

/* ==========================================================================
   Problem & Solution (Dores vs Alívio)
   ========================================================================== */

.comparison-section {
  padding: 5rem 0;
  background: var(--bg-dark);
  position: relative;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 3.5rem;
}

.comp-card {
  border-radius: 20px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.comp-card-negative {
  background: rgba(239, 68, 68, 0.03);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.comp-card-positive {
  background: rgba(59, 130, 246, 0.05);
  border: 1px solid rgba(99, 102, 241, 0.35);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.1);
}

.comp-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.85rem;
  border-radius: 9999px;
  margin-bottom: 1.25rem;
}

.comp-badge-neg {
  background: rgba(239, 68, 68, 0.15);
  color: #F87171;
}

.comp-badge-pos {
  background: rgba(59, 130, 246, 0.2);
  color: #60A5FA;
}

.comp-card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  margin-bottom: 1.5rem;
}

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

.comp-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.975rem;
  color: var(--text-secondary);
}

.comp-list.negative li svg {
  color: #EF4444;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.comp-list.positive li svg {
  color: #22C55E;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

/* ==========================================================================
   Services Section (Os 3 Pilares)
   ========================================================================== */

.services-section {
  padding: 6rem 0;
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 3.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
  backdrop-filter: blur(12px);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-6px);
  box-shadow: var(--shadow-aurora);
}

.service-icon-box {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-aurora-glow);
  border: 1px solid rgba(99, 102, 241, 0.3);
  margin-bottom: 1.5rem;
  color: #60A5FA;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: #CBD5E1;
}

.service-features li svg {
  color: #38BDF8;
  flex-shrink: 0;
}

.service-price-tag {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.service-price-tag .label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.service-price-tag .price {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: #F8FAFC;
}

/* ==========================================================================
   Interactive Calculator: "Monte Seu Pacote Digital"
   ========================================================================== */

.calc-section {
  padding: 6rem 0;
  background: radial-gradient(ellipse at center, rgba(17, 24, 39, 0.95) 0%, #07090E 100%);
  position: relative;
  overflow: hidden;
}

.calc-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.5), transparent);
}

.calc-wrapper {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  align-items: stretch;
}

.calc-services-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.calc-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 1.5rem 1.75rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  position: relative;
  user-select: none;
}

.calc-item:hover {
  background: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.35);
  transform: translateX(4px);
}

.calc-item.selected {
  background: rgba(30, 41, 65, 0.95);
  border-color: #6366F1;
  box-shadow: 0 0 24px -4px rgba(99, 102, 241, 0.4);
}

.calc-item-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* Custom Checkbox Pill */
.custom-checkbox {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.calc-item.selected .custom-checkbox {
  background: var(--grad-aurora);
  border-color: transparent;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.6);
}

.custom-checkbox svg {
  width: 16px;
  height: 16px;
  opacity: 0;
  transform: scale(0.6);
  transition: all var(--transition-fast);
}

.calc-item.selected .custom-checkbox svg {
  opacity: 1;
  transform: scale(1);
}

.calc-item-info h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.calc-item-info p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.calc-item-price {
  text-align: right;
  flex-shrink: 0;
}

.calc-item-price .amount {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: #38BDF8;
}

.calc-item.selected .calc-item-price .amount {
  color: #FFFFFF;
}

.calc-item-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: rgba(245, 158, 11, 0.2);
  color: #FBBF24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Dynamic Summary Box */
.calc-summary-card {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 24px;
  padding: 2.25rem;
  box-shadow: var(--shadow-lg), 0 0 40px -10px rgba(99, 102, 241, 0.25);
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.calc-summary-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
}

.calc-summary-header h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: #FFFFFF;
}

.items-counter {
  font-size: 0.8125rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  color: var(--text-secondary);
}

.selected-items-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  min-height: 80px;
  flex: 1 1 auto;
  justify-content: center;
}

.selected-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--text-secondary);
  animation: fadeIn 0.25s ease-out;
}

.selected-item-row .name {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.selected-item-row .val {
  font-weight: 600;
  color: #F1F5F9;
}

/* Empty State & Combo Teaser no Resumo */
.empty-state-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.15rem;
  padding: 0.5rem 0;
  text-align: center;
  width: 100%;
}

.empty-state-text {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-style: italic;
  text-align: center;
  margin: 0;
  line-height: 1.45;
}

.combo-discount-teaser {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.14) 0%, rgba(56, 189, 248, 0.08) 100%);
  border: 1px dashed rgba(99, 102, 241, 0.45);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
  box-shadow: 0 4px 20px -5px rgba(99, 102, 241, 0.2);
}

.combo-discount-teaser .teaser-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(245, 158, 11, 0.2);
  color: #FBBF24;
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.combo-discount-teaser .teaser-badge svg {
  color: #FBBF24;
}

.combo-discount-teaser .teaser-text {
  font-size: 0.875rem;
  color: #E2E8F0;
  line-height: 1.45;
  margin: 0;
}

.combo-discount-teaser .teaser-text strong {
  color: #38BDF8;
}

.combo-pending-hint {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: 10px;
  padding: 0.65rem 0.85rem;
  font-size: 0.8rem;
  color: #F8FAFC;
  margin-top: 0.5rem;
  line-height: 1.4;
}

.combo-pending-hint strong {
  color: #FBBF24;
}

/* Combo Discount Banner */
.combo-promo-banner {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, rgba(16, 185, 129, 0.05) 100%);
  border: 1px dashed rgba(34, 197, 94, 0.4);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: pulseGlow 3s infinite;
}

@keyframes pulseGlow {
  0%, 100% { border-color: rgba(34, 197, 94, 0.4); }
  50% { border-color: rgba(34, 197, 94, 0.8); }
}

.combo-promo-banner svg {
  color: #4ADE80;
  flex-shrink: 0;
}

.combo-promo-text .title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: #4ADE80;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.combo-promo-text .desc {
  font-size: 0.75rem;
  color: #CBD5E1;
}

.price-calculation-block {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  margin-bottom: 1.75rem;
}

.subtotal-row,
.discount-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.discount-row {
  color: #4ADE80;
  font-weight: 600;
}

.total-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.total-row .label {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
}

.total-row .total-amount {
  font-family: var(--font-heading);
  font-size: 2.15rem;
  font-weight: 800;
  color: #FFFFFF;
  background: var(--grad-text-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: all 0.3s ease;
}

/* Linha de Prazo de Entrega Estimado (Marcado em Amarelo na Captura) */
.delivery-time-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
}

.delivery-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: #FBBF24;
  font-weight: 600;
}

.delivery-label svg {
  color: #FBBF24;
  flex-shrink: 0;
}

.delivery-val {
  font-family: var(--font-heading);
  font-weight: 700;
  color: #F8FAFC;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.35);
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8125rem;
  text-align: right;
  transition: all 0.25s ease;
}

/* Coluna Esquerda da Calculadora */
.calc-services-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  height: 100%;
}

/* Caixa de Transparência e Explicações (Retângulo Vermelho da Captura) */
.calc-transparency-box {
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 18px;
  padding: 1.25rem 1.6rem;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.transparency-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: #38BDF8;
  margin-bottom: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.transparency-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.transparency-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
  position: relative;
  padding-left: 1.15rem;
}

.transparency-list li::before {
  content: '•';
  position: absolute;
  left: 0.25rem;
  color: #38BDF8;
  font-weight: bold;
}

.transparency-list code {
  background: rgba(56, 189, 248, 0.12);
  color: #7DD3FC;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-family: monospace;
}

.btn-whatsapp-order {
  width: 100%;
  background: var(--whatsapp-green);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  padding: 1.05rem 1.5rem;
  border-radius: 14px;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-whatsapp);
  transition: all var(--transition-fast);
}

.btn-whatsapp-order:hover {
  background: var(--whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -5px rgba(37, 211, 102, 0.55);
}

.btn-whatsapp-order:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.security-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

/* ==========================================================================
   Methodology: "Como Funciona em 4 Passos"
   ========================================================================== */

.steps-section {
  padding: 6rem 0;
  background: var(--bg-dark);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
  position: relative;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 2rem 1.5rem;
  position: relative;
  transition: all var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.4);
}

.step-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  background: var(--grad-text-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.9;
  margin-bottom: 1rem;
}

.step-card h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: #F8FAFC;
}

.step-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   Testimonials / Social Proof
   ========================================================================== */

.testimonials-section {
  padding: 6rem 0;
  position: relative;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 3.5rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(12px);
  transition: transform var(--transition-fast);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
}

.stars-row {
  display: flex;
  gap: 0.25rem;
  color: #FBBF24;
  margin-bottom: 1rem;
}

.testimonial-text {
  font-size: 0.95rem;
  color: #E2E8F0;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.client-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.client-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad-aurora);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #FFFFFF;
}

.client-info h5 {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  color: #FFFFFF;
}

.client-info span {
  font-size: 0.775rem;
  color: var(--text-muted);
}

/* ==========================================================================
   FAQ Section (Accordion)
   ========================================================================== */

.faq-section {
  padding: 6rem 0;
  background: var(--bg-dark);
}

.faq-wrapper {
  max-width: 800px;
  margin: 3.5rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item.active {
  border-color: rgba(99, 102, 241, 0.45);
  background: rgba(24, 32, 47, 0.8);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.35rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
}

.faq-question:hover {
  color: #60A5FA;
}

.faq-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-normal);
  color: var(--text-muted);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: #38BDF8;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
  padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
  max-height: 350px;
  transition: max-height 0.4s ease-in-out;
  padding-bottom: 1.35rem;
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   Final CTA Section
   ========================================================================== */

.final-cta {
  padding: 6rem 0;
  position: relative;
  text-align: center;
}

.final-cta-box {
  background: linear-gradient(135deg, rgba(30, 41, 65, 0.8) 0%, rgba(15, 23, 42, 0.95) 100%);
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 28px;
  padding: 4.5rem 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 50px -10px rgba(99, 102, 241, 0.3);
}

.final-cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.25) 0%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
}

.final-cta-box h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.final-cta-box p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: #040508;
  border-top: 1px solid var(--border-subtle);
  padding: 4.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand img {
  height: 68px;
  width: auto;
  margin-bottom: 1.25rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: #38BDF8;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.footer-contact-item svg {
  color: #38BDF8;
  flex-shrink: 0;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Floating WhatsApp Button
   ========================================================================== */

.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  background: var(--whatsapp-green);
  color: #FFFFFF;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.floating-whatsapp:hover {
  background: var(--whatsapp-hover);
  transform: scale(1.1) translateY(-4px);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.6);
}

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

/* ==========================================================================
   Video Modal & Google Search Simulation (Veo / YouTube / Instagram)
   ========================================================================== */

.video-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 6, 11, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.video-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.video-modal-container {
  background: #0D111A;
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 24px;
  max-width: 780px;
  width: 100%;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 40px rgba(99, 102, 241, 0.2);
  overflow: hidden;
  transform: scale(0.92) translateY(20px);
  transition: transform var(--transition-normal);
  position: relative;
}

.video-modal-overlay.active .video-modal-container {
  transform: scale(1) translateY(0);
}

.video-modal-header {
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.02);
}

.video-modal-header h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.video-modal-close {
  background: rgba(255, 255, 255, 0.08);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.video-modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  transform: rotate(90deg);
}

.video-modal-body {
  padding: 1.75rem;
}

/* Simulation Showcase: Google Search Experience */
.google-sim-card {
  background: #151B26;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-md);
}

.sim-search-bar {
  background: #1F2737;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 9999px;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.sim-search-bar svg {
  color: #38BDF8;
  flex-shrink: 0;
}

.sim-search-bar span {
  font-size: 0.9375rem;
  color: #F1F5F9;
  font-family: var(--font-heading);
}

.sim-google-result {
  background: #0B0E14;
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 14px;
  padding: 1.25rem;
  position: relative;
}

.sim-result-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #22C55E;
  background: rgba(34, 197, 94, 0.15);
  padding: 0.2rem 0.65rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.sim-google-result h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #60A5FA;
  margin-bottom: 0.25rem;
}

.sim-stars {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  color: #FBBF24;
  margin-bottom: 0.65rem;
}

.sim-stars span {
  color: var(--text-secondary);
  margin-left: 0.35rem;
}

.sim-result-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sim-action-btn {
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  background: rgba(59, 130, 246, 0.15);
  color: #93C5FD;
  border: 1px solid rgba(59, 130, 246, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.sim-action-btn.active {
  background: var(--whatsapp-green);
  color: #FFFFFF;
  border-color: transparent;
}

/* Video Platforms Bar */
.video-modal-platforms {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.platform-links-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-platform {
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.6rem 1.15rem;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.btn-youtube {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #F87171;
}

.btn-youtube:hover {
  background: #EF4444;
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-instagram {
  background: rgba(217, 70, 239, 0.15);
  border: 1px solid rgba(217, 70, 239, 0.3);
  color: #E879F9;
}

.btn-instagram:hover {
  background: linear-gradient(135deg, #F43F5E 0%, #D946EF 100%);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-modal-cta {
  font-size: 0.875rem;
  font-weight: 700;
  padding: 0.6rem 1.25rem;
  border-radius: 10px;
  background: var(--whatsapp-green);
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.btn-modal-cta:hover {
  background: var(--whatsapp-hover);
  transform: translateY(-2px);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .calc-wrapper {
    grid-template-columns: 1fr;
  }
  .calc-summary-card,
  .calc-services-column {
    position: static;
    height: auto;
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .nav-brand img {
    height: 56px;
  }
  .mobile-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 78px;
    left: 0;
    width: 100%;
    background: rgba(7, 9, 14, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-120%);
    transition: transform var(--transition-normal);
  }
  .nav-menu.open {
    transform: translateY(0);
  }
  .nav-actions .btn-nav-cta {
    display: none;
  }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  .hero-cta-group a {
    width: 100%;
    justify-content: center;
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   THEME TOGGLE & LIGHT MODE SYSTEM
   ========================================================================== */

/* Logo Switching */
.logo-theme.logo-light {
  display: none;
}
.logo-theme.logo-dark {
  display: block;
}

[data-theme="light"] .logo-theme.logo-light {
  display: block;
}
[data-theme="light"] .logo-theme.logo-dark {
  display: none;
}

/* Theme Toggle Button */
.theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
  box-shadow: var(--shadow-sm);
  position: relative;
  outline: none;
}

.theme-toggle:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
  transform: scale(1.08);
}

.theme-toggle .theme-icon-sun {
  display: block;
  color: #F59E0B;
}

.theme-toggle .theme-icon-moon {
  display: none;
  color: #6366F1;
}

[data-theme="light"] .theme-toggle .theme-icon-sun {
  display: none;
}

[data-theme="light"] .theme-toggle .theme-icon-moon {
  display: block;
}

/* ==========================================================================
   LIGHT MODE DESIGN TOKENS & ADAPTATIONS
   ========================================================================== */

:root[data-theme="light"] {
  /* Core Palette */
  --bg-darkest: #F8FAFC;
  --bg-dark: #F1F5F9;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FFFFFF;
  --bg-card-active: #F8FAFC;
  --bg-glass: rgba(255, 255, 255, 0.85);

  /* Accents */
  --aurora-blue: #2563EB;
  --aurora-purple: #7C3AED;
  --aurora-cyan: #0284C7;
  --aurora-teal: #0D9488;
  --aurora-amber: #D97706;

  --grad-aurora: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
  --grad-aurora-glow: linear-gradient(135deg, rgba(37, 99, 235, 0.12) 0%, rgba(124, 58, 237, 0.12) 100%);
  --grad-card-border: linear-gradient(135deg, rgba(37, 99, 235, 0.25) 0%, rgba(124, 58, 237, 0.15) 50%, rgba(226, 232, 240, 0.8) 100%);
  --grad-cyan-blue: linear-gradient(135deg, #0284C7 0%, #2563EB 100%);
  --grad-text: linear-gradient(135deg, #0F172A 20%, #334155 100%);
  --grad-text-aurora: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);

  /* Text Colors */
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-contrast: #FFFFFF;

  /* Borders & Elevation */
  --border-subtle: #E2E8F0;
  --border-focus: rgba(37, 99, 235, 0.4);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px -4px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 36px -6px rgba(15, 23, 42, 0.12);
  --shadow-aurora: 0 8px 25px -4px rgba(37, 99, 235, 0.22);
}

/* Base Body Background in Light Mode */
[data-theme="light"] body {
  background-color: #F8FAFC;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(37, 99, 235, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 85% 30%, rgba(124, 58, 237, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 50% 85%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
}

/* Header in Light Mode */
[data-theme="light"] .header {
  background: rgba(255, 255, 255, 0.85);
  border-bottom-color: rgba(15, 23, 42, 0.08);
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.03);
}

[data-theme="light"] .header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: rgba(15, 23, 42, 0.12);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .nav-link {
  color: #475569;
}

[data-theme="light"] .nav-link:hover,
[data-theme="light"] .nav-link.active {
  color: #0F172A;
}

/* Hero Section in Light Mode */
[data-theme="light"] .hero-webagency-title {
  color: #0F172A;
  text-shadow: none;
}

[data-theme="light"] .typewriter-text {
  background: linear-gradient(135deg, #0284C7 0%, #7C3AED 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .typewriter-cursor {
  color: #0284C7;
}

[data-theme="light"] .hero-subtitle {
  color: #475569;
}

[data-theme="light"] .btn-video-hero {
  background: #FFFFFF;
  border-color: rgba(15, 23, 42, 0.14);
  color: #0F172A;
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.04);
}

[data-theme="light"] .btn-video-hero:hover {
  background: #F1F5F9;
  border-color: rgba(15, 23, 42, 0.22);
}

[data-theme="light"] .play-icon-bubble {
  background: rgba(37, 99, 235, 0.1);
  color: #2563EB;
}

[data-theme="light"] .btn-whatsapp-hero {
  background: rgba(37, 211, 102, 0.1);
  border-color: rgba(37, 211, 102, 0.35);
  color: #15803D;
}

[data-theme="light"] .btn-whatsapp-hero:hover {
  background: #25D366;
  color: #FFFFFF;
}

[data-theme="light"] .proof-item {
  color: #334155;
}

[data-theme="light"] .proof-item svg {
  color: #0284C7;
}

/* Comparison Section in Light Mode */
[data-theme="light"] .comparison-section {
  background: #F1F5F9;
}

[data-theme="light"] .comp-card {
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.04);
}

[data-theme="light"] .comp-card-negative {
  background: #FFFFFF;
  border: 1px solid rgba(239, 68, 68, 0.22);
}

[data-theme="light"] .comp-badge-neg {
  background: #FEE2E2;
  color: #DC2626;
}

[data-theme="light"] .comp-card-negative h3 {
  color: #991B1B;
}

[data-theme="light"] .comp-card-positive {
  background: #FFFFFF;
  border: 1px solid rgba(37, 99, 235, 0.25);
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.07);
}

[data-theme="light"] .comp-badge-pos {
  background: #DBEAFE;
  color: #1D4ED8;
}

[data-theme="light"] .comp-card-positive h3 {
  color: #1E3A8A;
}

/* Services Section in Light Mode */
[data-theme="light"] .service-card {
  background: #FFFFFF;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.04);
}

[data-theme="light"] .service-card:hover {
  background: #FFFFFF;
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: 0 16px 36px -6px rgba(37, 99, 235, 0.12);
}

[data-theme="light"] .service-features li {
  color: #334155;
}

[data-theme="light"] .service-price-tag .price {
  color: #0F172A;
}

/* Calculator Section in Light Mode */
[data-theme="light"] .calc-section {
  background: linear-gradient(180deg, #F8FAFC 0%, #EEF2F6 100%);
}

/* Service Item Cards (Left Column) */
[data-theme="light"] .calc-item {
  background: #FFFFFF;
  border: 1px solid rgba(15, 23, 42, 0.09);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.03);
}

[data-theme="light"] .calc-item:hover {
  background: #FFFFFF;
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.08);
}

[data-theme="light"] .calc-item.selected {
  background: #EFF6FF;
  border: 2px solid #2563EB;
  box-shadow: 0 8px 24px -4px rgba(37, 99, 235, 0.15);
}

[data-theme="light"] .calc-item-info h4 {
  color: #0F172A;
}

[data-theme="light"] .calc-item.selected .calc-item-info h4 {
  color: #1E3A8A;
}

[data-theme="light"] .calc-item-info p {
  color: #475569;
}

[data-theme="light"] .calc-item.selected .calc-item-info p {
  color: #334155;
}

[data-theme="light"] .calc-item-price .amount {
  color: #0284C7;
}

[data-theme="light"] .calc-item.selected .calc-item-price .amount {
  color: #1D4ED8;
}

[data-theme="light"] .custom-checkbox {
  background: #F1F5F9;
  border: 2px solid #CBD5E1;
  color: #FFFFFF;
}

[data-theme="light"] .calc-item.selected .custom-checkbox {
  background: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
  border-color: transparent;
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.4);
}

/* Caixa de Transparência e Informações Importantes (Bottom Left) */
[data-theme="light"] .calc-transparency-box {
  background: #FFFFFF;
  border: 1px solid rgba(15, 23, 42, 0.09);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.04);
}

[data-theme="light"] .transparency-header {
  color: #0284C7;
}

[data-theme="light"] .transparency-list li {
  color: #475569;
}

[data-theme="light"] .transparency-list li strong {
  color: #0F172A;
}

[data-theme="light"] .transparency-list li::before {
  color: #0284C7;
}

[data-theme="light"] .transparency-list code {
  background: #F0F9FF;
  border: 1px solid rgba(2, 132, 199, 0.2);
  color: #0369A1;
}

/* Resumo do Seu Pacote (Right Column Summary Card) */
[data-theme="light"] .calc-summary-card {
  background: #FFFFFF;
  border: 1px solid rgba(15, 23, 42, 0.1);
  box-shadow: 0 16px 40px -8px rgba(15, 23, 42, 0.08), 0 0 30px -10px rgba(37, 99, 235, 0.06);
}

[data-theme="light"] .calc-summary-header {
  border-bottom-color: rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .calc-summary-header h3 {
  color: #0F172A;
}

[data-theme="light"] .items-counter {
  background: #F1F5F9;
  border: 1px solid rgba(15, 23, 42, 0.08);
  color: #475569;
}

/* Empty State no Resumo */
[data-theme="light"] .empty-state-text {
  color: #64748B;
}

[data-theme="light"] .combo-discount-teaser {
  background: #EFF6FF;
  border: 1px dashed rgba(37, 99, 235, 0.4);
  box-shadow: 0 4px 15px -4px rgba(37, 99, 235, 0.1);
}

[data-theme="light"] .combo-discount-teaser .teaser-badge {
  background: #FEF3C7;
  border-color: #FDE68A;
  color: #B45309;
}

[data-theme="light"] .combo-discount-teaser .teaser-badge svg {
  color: #B45309;
}

[data-theme="light"] .combo-discount-teaser .teaser-text {
  color: #1E3A8A;
}

[data-theme="light"] .combo-discount-teaser .teaser-text strong {
  color: #2563EB;
}

/* Selected Items in Summary List */
[data-theme="light"] .selected-item-row {
  color: #475569;
}

[data-theme="light"] .selected-item-row .name {
  color: #334155;
}

[data-theme="light"] .selected-item-row .val {
  color: #0F172A;
}

/* Pending Combo Hint */
[data-theme="light"] .combo-pending-hint {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  color: #92400E;
}

[data-theme="light"] .combo-pending-hint strong {
  color: #B45309;
}

/* Combo Active Banner */
[data-theme="light"] .combo-promo-banner {
  background: #F0FDF4;
  border-color: #86EFAC;
}

[data-theme="light"] .combo-promo-text .title {
  color: #16A34A;
}

[data-theme="light"] .combo-promo-text .desc {
  color: #166534;
}

/* Price Calculation Block */
[data-theme="light"] .price-calculation-block {
  border-top-color: rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .subtotal-row {
  color: #64748B;
}

[data-theme="light"] #subtotal-amount {
  color: #334155;
}

[data-theme="light"] .discount-row {
  color: #16A34A;
}

[data-theme="light"] .total-row {
  border-top-color: rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .total-row .label {
  color: #0F172A;
}

[data-theme="light"] .total-row .total-amount {
  background: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Delivery Time Row */
[data-theme="light"] .delivery-time-row {
  border-top-color: rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .delivery-label {
  color: #B45309;
}

[data-theme="light"] .delivery-label svg {
  color: #B45309;
}

[data-theme="light"] .delivery-val {
  background: #FEF3C7;
  border: 1px solid #FDE68A;
  color: #92400E;
}

[data-theme="light"] .security-guarantee {
  color: #64748B;
}

/* Steps / Como Funciona in Light Mode */
[data-theme="light"] .step-card {
  background: #FFFFFF;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.04);
}

[data-theme="light"] .step-card:hover {
  background: #FFFFFF;
  border-color: rgba(37, 99, 235, 0.3);
}

[data-theme="light"] .step-card h4 {
  color: #0F172A;
}

/* Testimonials in Light Mode */
[data-theme="light"] .testimonial-card {
  background: #FFFFFF;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.04);
}

[data-theme="light"] .testimonial-text {
  color: #334155;
}

[data-theme="light"] .client-info h5 {
  color: #0F172A;
}

/* FAQ in Light Mode */
[data-theme="light"] .faq-section {
  background: #F1F5F9;
}

[data-theme="light"] .faq-item {
  background: #FFFFFF;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .faq-item.active {
  background: #FFFFFF;
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.06);
}

[data-theme="light"] .faq-question {
  color: #0F172A;
}

/* Final CTA & Footer in Light Mode */
[data-theme="light"] .final-cta-box {
  background: linear-gradient(135deg, #FFFFFF 0%, #F1F5F9 100%);
  border: 1px solid rgba(37, 99, 235, 0.25);
  box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.08), 0 0 40px -10px rgba(37, 99, 235, 0.15);
}

[data-theme="light"] .final-cta-box h2 {
  color: #0F172A;
}

[data-theme="light"] .footer {
  background: #F8FAFC;
  border-top-color: rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .footer-col h4 {
  color: #0F172A;
}

[data-theme="light"] .footer-bottom {
  border-top-color: rgba(15, 23, 42, 0.08);
}

/* Video Modal in Light Mode */
[data-theme="light"] .video-modal-container {
  background: #FFFFFF;
  border-color: rgba(15, 23, 42, 0.12);
  box-shadow: 0 25px 60px -15px rgba(15, 23, 42, 0.2);
}

[data-theme="light"] .video-modal-header {
  border-bottom-color: rgba(15, 23, 42, 0.08);
  background: #F8FAFC;
}

[data-theme="light"] .modal-title {
  color: #0F172A;
}

[data-theme="light"] .btn-close-modal {
  color: #475569;
}

[data-theme="light"] .btn-close-modal:hover {
  background: #E2E8F0;
  color: #0F172A;
}

[data-theme="light"] .google-sim-card {
  background: #F8FAFC;
  border-color: rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .sim-search-bar {
  background: #FFFFFF;
  border-color: rgba(15, 23, 42, 0.12);
}

[data-theme="light"] .sim-search-bar span {
  color: #0F172A;
}

[data-theme="light"] .sim-google-result {
  background: #FFFFFF;
  border-color: rgba(37, 99, 235, 0.2);
}

[data-theme="light"] .sim-result-title {
  color: #1D4ED8;
}

[data-theme="light"] .sim-result-desc {
  color: #475569;
}

[data-theme="light"] .btn-platform {
  background: #FFFFFF;
  border-color: rgba(15, 23, 42, 0.12);
  color: #0F172A;
}

/* Mobile Navigation in Light Mode */
@media (max-width: 900px) {
  [data-theme="light"] .nav-menu {
    background: rgba(255, 255, 255, 0.98);
    border-bottom-color: rgba(15, 23, 42, 0.1);
  }
  [data-theme="light"] .mobile-toggle {
    color: #0F172A;
  }
}