:root {
  --font-primary: 'Inter', sans-serif;
  --color-dark: #0f1115;
  --color-darker: #08090a;
  --color-light: #ffffff;
  --color-surface: #f8f9fa;
  --color-border: #e2e8f0;
  --color-text-dark: #1e293b;
  --color-text-muted: #64748b;
  --color-primary: #1d4ed8; 
  --color-primary-hover: #1e40af;
  --color-accent: #10b981; /* Green for WhatsApp/Success elements */
  --color-accent-hover: #059669;
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.08);
  
  --spacing-section: 80px;

  /* Footer compatibility variables */
  --text-primary: #FFFFFF;
  --text-secondary: #A1A1AA;
  --border-color: rgba(255, 255, 255, 0.08);
}

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

body {
  font-family: var(--font-primary);
  color: var(--color-text-dark);
  background-color: var(--color-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

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

/* Typography */
h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 24px;
}

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

p {
  font-size: 1.125rem;
  margin-bottom: 24px;
}

.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-text-muted); }

/* Layout Variables */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--spacing-section) 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  color: var(--color-light);
  box-shadow: 0 8px 24px rgba(29, 78, 216, 0.25);
  border: 1px solid rgba(255,255,255,0.1);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(29, 78, 216, 0.35);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #10b981 0%, #047857 100%);
  color: var(--color-light);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.25);
  border: 1px solid rgba(255,255,255,0.1);
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(16, 185, 129, 0.35);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-light);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--color-light);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-darker) 0%, var(--color-dark) 100%);
  color: var(--color-light);
  padding: 120px 0 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: radial-gradient(circle at top right, rgba(29, 78, 216, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content .subtitle {
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(1.125rem, 2vw, 1.35rem);
  margin-bottom: 40px;
}

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

.mini-bullets {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mini-bullets li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
}

.mini-bullets li svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.hero-visual {
  position: relative;
}

.test-card-simulation {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

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

.test-card-simulation .progress-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  margin-bottom: 24px;
  overflow: hidden;
}

.test-card-simulation .progress-bar-fill {
  width: 30%;
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

/* Identificacao Section */
.identificacao {
  background-color: var(--color-surface);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.card {
  background: var(--color-light);
  padding: 40px 32px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0, 0, 0, 0.03);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

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

.card-icon {
  width: 48px;
  height: 48px;
  background: rgba(29, 78, 216, 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

/* Autoridade Section */
.autoridade {
  background: var(--color-light);
}

.autoridade-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.autoridade-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.autoridade-photo img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  display: block;
}

.autoridade-bullets {
  margin-top: 32px;
}

.autoridade-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.autoridade-bullets .icon-bg {
  width: 32px;
  height: 32px;
  background: rgba(29, 78, 216, 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.autoridade-bullets .icon-bg svg {
  width: 16px;
  height: 16px;
}

/* Teste Metabólico Section */
.teste-metabolico {
  background-color: var(--color-surface);
}

.questions-container {
  max-width: 800px;
  margin: 48px auto;
  background: var(--color-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.question-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.question-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: background 0.3s ease;
}

.question-item:hover {
  background: rgba(29, 78, 216, 0.05);
}

.question-num {
  background: var(--color-primary);
  color: white;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  flex-shrink: 0;
}

.perfis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.perfil-card {
  background: var(--color-light);
  padding: 32px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  text-align: center;
}

.perfil-card h4 {
  color: var(--color-primary);
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.perfil-card p {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* WhatsApp Section */
.whatsapp-sim {
  background: var(--color-light);
}

.whatsapp-container {
  max-width: 600px;
  margin: 48px auto 0;
  background: #E5DDD5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.wa-header {
  background: #075E54;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  color: white;
}

.wa-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
}

.wa-header-info h4 {
  margin: 0;
  font-size: 1.125rem;
}

.wa-header-info span {
  font-size: 0.875rem;
  opacity: 0.8;
}

.wa-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.wa-bubble {
  background: #ffffff;
  padding: 12px 16px;
  border-radius: 12px;
  border-top-left-radius: 0;
  max-width: 85%;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
  font-size: 0.95rem;
  align-self: flex-start;
  position: relative;
}

.wa-bubble::before {
  content: "";
  position: absolute;
  top: 0;
  left: -8px;
  width: 0;
  height: 0;
  border-top: 10px solid #ffffff;
  border-left: 10px solid transparent;
}

.wa-time {
  display: block;
  text-align: right;
  font-size: 0.7rem;
  color: #999;
  margin-top: 4px;
}

/* Oferta Section */
.oferta {
  background: var(--color-surface);
}

.oferta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  max-width: 900px;
  margin: 48px auto 0;
}

.offer-card {
  background: var(--color-light);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  box-shadow: var(--shadow-md);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s ease;
}

.offer-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.offer-card.destaque {
  border: 2px solid var(--color-primary);
  box-shadow: 0 30px 60px rgba(29, 78, 216, 0.12);
  transform: scale(1.03);
}

.offer-card.destaque:hover {
  transform: scale(1.03) translateY(-8px);
  box-shadow: 0 40px 80px rgba(29, 78, 216, 0.18);
}

.destaque-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: white;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
}

.offer-title {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.offer-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-text-dark);
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.offer-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.offer-features {
  margin-bottom: 32px;
  flex-grow: 1;
}

.offer-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--color-text-muted);
}

.offer-features li svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* CTA Final Section */
.cta-final {
  background: linear-gradient(135deg, var(--color-darker) 0%, var(--color-dark) 100%);
  color: var(--color-light);
  text-align: center;
  padding: 100px 0;
}

.cta-final p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto 40px;
}

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

/* Responsive */
@media (max-width: 992px) {
  .hero-grid, .autoridade-grid {
    grid-template-columns: 1fr;
  }
  
  .offer-card.destaque {
    transform: none;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-section: 60px;
  }
  
  .hero {
    padding: 100px 0 60px;
    text-align: center;
  }
  
  .hero-actions, .mini-bullets li {
    justify-content: center;
  }
  
  .hero-visual {
    margin-top: 40px;
  }
}

/* Quiz UI Components */
.quiz-container {
  max-width: 700px;
  margin: 0 auto;
  background: var(--color-light);
  border-radius: var(--radius-lg);
  padding: 48px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.quiz-progress-bar {
  width: 100%;
  height: 8px;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
}

.quiz-status {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 600;
  margin-bottom: 32px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.quiz-question {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 48px;
  line-height: 1.4;
}

.quiz-options {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.btn-quiz {
  flex: 1;
  max-width: 200px;
  padding: 16px;
  font-size: 1.125rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-primary);
  background: transparent;
  color: var(--color-primary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-quiz:hover {
  background: var(--color-primary);
  color: var(--color-light);
  transform: translateY(-2px);
}

.btn-quiz-no {
  border-color: var(--color-text-muted);
  color: var(--color-text-muted);
}

.btn-quiz-no:hover {
  background: var(--color-text-muted);
  border-color: var(--color-text-muted);
  color: var(--color-light);
}

.quiz-result-container {
  background: var(--color-light);
  border-radius: var(--radius-lg);
  padding: 64px 32px;
  border: 2px solid var(--color-primary);
  box-shadow: 0 15px 40px rgba(29, 78, 216, 0.1);
}

@media(max-width: 600px) {
  .quiz-options { flex-direction: column; align-items: center; }
  .btn-quiz { max-width: 100%; width: 100%; }
}

/* Footer Universal Styles */
.footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--border-color);
  background-color: var(--color-darker);
  color: var(--color-light);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 15px;
}

.footer-info {
  display: flex;
  gap: 64px;
}

.footer-col h4 {
  font-family: 'Outfit', sans-serif;
  color: var(--text-primary);
  margin-bottom: 16px;
  font-size: 16px;
  font-weight: 600;
}

.footer-col p {
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.5;
}

.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 14px;
}

.footer-bottom p {
  color: var(--text-secondary) !important;
  font-size: 14px !important;
  margin-bottom: 8px !important;
  line-height: 1.5;
}

.footer-brand .brand-logo {
  height: 64px;
  margin-bottom: 16px;
  object-fit: contain;
}

@media (max-width: 768px) {
  .footer-info {
    flex-direction: column;
    gap: 32px;
  }
}