:root {
  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-text: #0F172A;
  --color-text-light: #475569;
  --color-primary: #0F172A; /* Midnight blue for a more premium look */
  --color-accent: #3B82F6; /* Bright electric blue */
  --color-accent-hover: #2563EB;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444; /* For problem/solution highlights */
  
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  
  --radius: 20px;
  --radius-md: 12px;
  
  /* Modern soft multi-layered shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.4);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--color-surface);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

a {
  text-decoration: none;
}

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

/* Utilities */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.text-accent {
  color: var(--color-accent);
}

.bg-light {
  background-color: var(--color-bg);
}

/* Buttons */
.btn {
  display: inline-block;
  background-color: var(--color-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  padding: 16px 32px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.39);
  text-align: center;
  white-space: nowrap;
}

.btn:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.btn-large {
  font-size: 1.25rem;
  padding: 20px 40px;
  width: 100%;
  max-width: 400px;
  animation: pulse-btn 2s infinite;
}

@keyframes pulse-btn {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 99, 235, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
  }
}

/* Sections */
.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 48px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.hero {
  padding: 40px 0 20px;
  background-color: var(--color-bg);
  background-image: 
    radial-gradient(at 0% 0%, rgba(219, 234, 254, 0.8) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(239, 246, 255, 1) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(224, 231, 255, 0.5) 0px, transparent 50%);
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: flex;
  align-items: center;
  gap: 40px;
}

.hero-content {
  flex: 1;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 24px;
  line-height: 1.1;
  letter-spacing: -1px;
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

.hero-subtext {
  margin-top: 16px;
  font-size: 0.875rem !important;
  font-weight: 600;
  color: var(--color-success) !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.trust-badges {
  margin-top: 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  background-color: rgba(16, 185, 129, 0.1);
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

.hero-image img {
  width: 100%;
  max-width: 650px;
  max-height: 70vh;
  object-fit: contain;
  filter: drop-shadow(0 20px 30px rgba(0,0,0,0.15));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

/* Pain & Conversa Séria */
.pain-text {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.125rem;
  color: var(--color-text-light);
}

.pain-text p {
  margin-bottom: 24px;
}

/* Passo a Passo */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  position: relative;
}

.step-card {
  background: var(--color-surface);
  padding: 40px 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0,0,0,0.03);
  text-align: center;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.step-number {
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 24px;
}

.step-card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

/* Features (Tudo que vai receber) */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.feature-card {
  background: var(--color-surface);
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-top: 4px solid var(--color-primary);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 16px;
  color: var(--color-primary);
}

/* Bônus */
.bonus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.bonus-card {
  background: #EFF6FF;
  padding: 40px 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: none;
  border-top: 4px solid var(--color-primary);
  position: relative;
}

.bonus-tag {
  position: absolute;
  top: -16px;
  left: 32px;
  background-color: var(--color-warning);
  color: #fff;
  padding: 4px 16px;
  border-radius: 20px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.875rem;
}

.bonus-card h3 {
  font-size: 1.5rem;
  margin-top: 8px;
  margin-bottom: 16px;
}

/* Para Quem Serve (Audience List) */
.audience-list {
  list-style: none;
  max-width: 600px;
  margin: 0 auto;
  text-align: left;
}

.audience-list li {
  font-size: 1.125rem;
  margin-bottom: 16px;
  padding-left: 32px;
  position: relative;
}

/* Stack Box */
.stack-box {
  background: var(--color-primary);
  color: white;
  padding: 48px;
  border-radius: var(--radius);
  max-width: 800px;
  margin: 0 auto;
  box-shadow: 0 20px 25px -5px rgba(30, 58, 138, 0.4);
}

.stack-box h2 {
  color: white;
  margin-bottom: 32px;
  text-align: center;
}

.stack-box ul {
  list-style: none;
  margin-bottom: 32px;
}

.stack-box li {
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  font-size: 1.125rem;
  display: flex;
  justify-content: space-between;
}

.stack-box li:last-child {
  border-bottom: none;
}

.stack-total {
  text-align: center;
  background: rgba(255,255,255,0.1);
  padding: 16px;
  border-radius: 8px;
  font-weight: 600;
}

/* Pricing Section */
.pricing {
  text-align: center;
  padding: 80px 0;
}

.price-card {
  background: var(--color-surface);
  max-width: 500px;
  margin: 0 auto;
  padding: 48px 32px;
  border-radius: 24px;
  box-shadow: var(--shadow);
  border: 2px solid var(--color-accent);
}

.price-card h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.price-amount {
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
  font-family: var(--font-heading);
}

.price-amount span {
  font-size: 2rem;
  vertical-align: top;
  margin-right: 4px;
}

.price-subtitle {
  color: var(--color-success);
  font-weight: 600;
  margin-bottom: 32px;
}

/* Author Section */
.author-section {
  background-color: var(--color-surface);
  padding: 80px 0;
  border-top: 1px solid #E2E8F0;
  border-bottom: 1px solid #E2E8F0;
}

.author-container {
  display: flex;
  align-items: center;
  gap: 40px;
  max-width: 800px;
  margin: 0 auto;
}

.author-content h2 {
  margin-bottom: 16px;
}

.author-content p {
  margin-bottom: 16px;
  color: var(--color-text-light);
}

/* Footer */
footer {
  text-align: center;
  padding: 32px 0;
  background-color: var(--color-primary);
  color: #fff;
}

footer p {
  opacity: 0.8;
  font-size: 0.875rem;
}

/* FAQ Section */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-surface);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--color-primary);
}

.faq-question {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.faq-answer {
  font-weight: 400;
  color: var(--color-text-light);
  line-height: 1.6;
}

.faq-item h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.faq-item p {
  color: var(--color-text-light);
  font-size: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero .container, .author-container {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-content h1 {
    font-size: 2.25rem;
  }
  
  .hero-content p {
    font-size: 1.125rem;
  }
  
  .section-title {
    font-size: 2rem;
  }

  .stack-box li {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* Thank You Page */
.thank-you-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: var(--color-bg);
  text-align: center;
  padding: 24px;
}

.thank-you-card {
  background: var(--color-surface);
  padding: 48px;
  border-radius: 24px;
  box-shadow: var(--shadow);
  max-width: 600px;
  width: 100%;
}

.thank-you-card h1 {
  color: var(--color-success);
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.thank-you-card p {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: 40px;
}

.icon-success {
  width: 80px;
  height: 80px;
  background-color: #D1FAE5;
  color: var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 40px;
}
/* Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Boarding Pass Styles */
.boarding-pass {
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
}

.boarding-pass::before, .boarding-pass::after {
  content: '';
  position: absolute;
  width: 30px;
  height: 30px;
  background-color: var(--color-bg);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  border: 2px solid var(--color-primary);
  z-index: 1;
}

.boarding-pass::before {
  left: -17px;
}

.boarding-pass::after {
  right: -17px;
}

.boarding-pass-divider {
  border-top: 2px dashed var(--color-text-light);
  margin: 24px 0;
  opacity: 0.5;
}

.stamp {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 80px;
  height: 80px;
  border: 4px double var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-success);
  font-family: var(--font-heading);
  font-weight: bold;
  font-size: 0.875rem;
  text-transform: uppercase;
  transform: rotate(-15deg);
  opacity: 0.3;
  pointer-events: none;
}

/* Catalog Layout (Sala da Eletrica Style) */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 32px;
  padding: 40px 0 120px;
}

.catalog-card {
  background: var(--color-surface);
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: 24px;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease, border-color 0.4s ease;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  box-shadow: 0 4px 6px rgba(15, 23, 42, 0.02);
}

.catalog-card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateY(-8px);
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.08), 0 0 40px rgba(59, 130, 246, 0.08);
}

.catalog-thumb {
  width: 100%;
  height: 320px;
  background: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(15, 23, 42, 0.04);
}

.catalog-thumb img {
  max-height: 90%;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.15));
  transition: transform 0.3s ease;
}

.catalog-card:hover .catalog-thumb img {
  transform: scale(1.08);
}

.catalog-info {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

/* Badge Utility */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-accent);
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 24px;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Glass Card Utility */
.glass-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Modern Comparison Grid (replaces old table) */
.comparison-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
}

.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid #E2E8F0;
  transition: transform 0.3s ease;
}

.comparison-row:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

.comparison-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.comparison-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.label-problem { color: var(--color-danger); }
.label-solution { color: var(--color-success); }

.comparison-content {
  font-size: 1.125rem;
  color: var(--color-text);
  line-height: 1.5;
}

.comparison-title {
  grid-column: 1 / -1;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: -8px;
  padding-bottom: 8px;
  border-bottom: 1px dashed #E2E8F0;
}

@media (max-width: 768px) {
  .comparison-row {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* Premium Offer Card */
.offer-card-premium {
  background: var(--color-primary);
  color: white;
  border-radius: 24px;
  padding: 56px 40px;
  text-align: center;
  max-width: 650px;
  margin: 0 auto;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.5);
  position: relative;
  overflow: hidden;
}

.offer-card-premium::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 6px;
  background: linear-gradient(90deg, var(--color-accent), #60A5FA, var(--color-accent));
}

.offer-card-premium h2 {
  color: white;
  font-size: 2.25rem;
}

.offer-list-premium {
  list-style: none;
  text-align: left;
  margin: 32px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: rgba(255,255,255,0.05);
  padding: 32px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.1);
}

.offer-list-premium li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 1.125rem;
  color: #E2E8F0;
}

.offer-price-box {
  margin: 32px 0;
}

.offer-price-box .old-price {
  text-decoration: line-through;
  color: #94A3B8;
  font-size: 1.25rem;
}

.offer-price-box .new-price {
  font-size: 4.5rem;
  font-weight: 800;
  color: white;
  line-height: 1;
  font-family: var(--font-heading);
  text-shadow: 0 0 40px rgba(255,255,255,0.2);
}

.btn-glow {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.6);
  background: linear-gradient(to right, var(--color-accent), #60A5FA);
  border: 1px solid rgba(255,255,255,0.2);
}

.btn-glow:hover {
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.8);
}

/* Tabela de Exemplos de Frases */
.phrase-table {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.phrase-table th, .phrase-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid #E2E8F0;
}

.phrase-table th {
  background: var(--color-primary);
  color: white;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

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

.phrase-table td:first-child {
  font-weight: 600;
  color: var(--color-text);
  background: #F8FAFC;
  width: 20%;
}

.phrase-table td:nth-child(2) {
  color: var(--color-text-light);
  width: 40%;
}

.phrase-table td:nth-child(3) {
  color: var(--color-primary);
  font-weight: 600;
  width: 40%;
}

@media (max-width: 768px) {
  .phrase-table, .phrase-table thead, .phrase-table tbody, .phrase-table th, .phrase-table td, .phrase-table tr {
    display: block;
  }
  
  .phrase-table thead tr {
    position: absolute;
    top: -9999px;
    left: -9999px;
  }
  
  .phrase-table tr {
    border: 1px solid #E2E8F0;
    border-radius: 8px;
    margin-bottom: 16px;
    background: white;
  }
  
  .phrase-table td {
    border: none;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 50%;
    text-align: left;
    width: 100% !important;
    background: transparent !important;
  }
  
  .phrase-table td:last-child {
    border-bottom: none;
  }

  .phrase-table td:before {
    position: absolute;
    top: 16px;
    left: 16px;
    width: 45%;
    padding-right: 10px;
    white-space: nowrap;
    font-size: 0.8rem;
    color: var(--color-text-light);
    font-weight: bold;
    text-transform: uppercase;
  }

  .phrase-table td:nth-of-type(1):before { content: "Situação:"; }
  .phrase-table td:nth-of-type(2):before { content: "Português:"; }
  .phrase-table td:nth-of-type(3):before { content: "Inglês:"; }
}

.catalog-tag {
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-accent);
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 16px;
  align-self: flex-start;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.catalog-title {
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 24px;
  margin-bottom: 12px;
  line-height: 1.2;
}

.catalog-desc {
  color: var(--color-text-light);
  font-size: 14px;
  margin-bottom: 24px;
  flex-grow: 1;
}

.catalog-btn {
  display: block;
  text-align: center;
  padding: 14px;
  background: rgba(59, 130, 246, 0.05);
  color: var(--color-accent);
  border-radius: 50px;
  font-weight: 700;
  border: 1px solid rgba(59, 130, 246, 0.15);
  transition: all 0.3s ease;
}

.catalog-card:hover .catalog-btn {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
  transform: translateY(-2px);
}


/* --- New UI/UX Components --- */

.guarantee-card {
  background: white;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 40px;
  max-width: 600px;
  margin: 0 auto;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.1);
}

.testimonial-card {
  background: white;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius);
  padding: 24px;
  max-width: 350px;
  text-align: left;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.testimonial-text {
  font-style: italic;
  color: var(--color-text-light);
  margin-bottom: 16px;
  line-height: 1.6;
}

.testimonial-author {
  font-weight: 700;
  color: var(--color-text);
}