/* ============================================
   ORÁCULO DA VOZ - Landing Page CSS
   Curso de Oratória
   Paleta: Roxo Profundo, Dourado, Branco, Cinza Escuro
   Tipografia: Poppins (headlines) + Inter (body)
   ============================================ */

/* ---------- VARIÁVEIS CSS ---------- */
:root {
  /* Cores */
  --roxo-profundo: #6B4BA8;
  --roxo-claro: #8A6FC0;
  --roxo-escuro: #4A3275;
  --dourado: #D4AF37;
  --dourado-claro: #E5C658;
  --dourado-escuro: #B8941F;
  --branco: #FFFFFF;
  --cinza-escuro: #2C2C2C;
  --cinza-medio: #5A5A5A;
  --cinza-claro: #F4F2F8;
  --preto-suave: #1A1A1A;

  /* Tipografia */
  --font-headline: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Tamanhos de fonte */
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.375rem;
  --fs-2xl: 1.75rem;
  --fs-3xl: 2.25rem;
  --fs-4xl: 3rem;
  --fs-5xl: 3.75rem;

  /* Espaçamentos */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Bordas e sombras */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.18);
  --shadow-roxo: 0 8px 30px rgba(107, 75, 168, 0.35);
  --shadow-dourado: 0 8px 30px rgba(212, 175, 55, 0.30);

  /* Transições */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Largura máxima */
  --container-max: 1200px;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--cinza-escuro);
  background-color: var(--branco);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  font-weight: 700;
  line-height: 1.2;
  color: var(--roxo-escuro);
}

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

ul {
  list-style: none;
}

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

/* ---------- UTILITÁRIOS ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.text-center { text-align: center; }
.text-dourado { color: var(--dourado); }
.text-roxo { color: var(--roxo-profundo); }
.text-branco { color: var(--branco); }

.bg-roxo { background-color: var(--roxo-profundo); }
.bg-cinza-claro { background-color: var(--cinza-claro); }
.bg-cinza-escuro { background-color: var(--cinza-escuro); }

.section {
  padding: var(--space-2xl) 0;
}

.section-title {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-sm);
  text-align: center;
}

.section-subtitle {
  font-size: var(--fs-lg);
  color: var(--cinza-medio);
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

/* ---------- COMPONENTES REUTILIZÁVEIS ---------- */

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: var(--fs-base);
  padding: 0.875rem 2rem;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--roxo-profundo), var(--roxo-escuro));
  color: var(--branco);
  box-shadow: var(--shadow-roxo);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(107, 75, 168, 0.5);
  background: linear-gradient(135deg, var(--roxo-claro), var(--roxo-profundo));
}

.btn-dourado {
  background: linear-gradient(135deg, var(--dourado), var(--dourado-escuro));
  color: var(--preto-suave);
  box-shadow: var(--shadow-dourado);
}

.btn-dourado:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(212, 175, 55, 0.5);
  background: linear-gradient(135deg, var(--dourado-claro), var(--dourado));
}

.btn-outline {
  background: transparent;
  color: var(--branco);
  border: 2px solid var(--branco);
}

.btn-outline:hover {
  background: var(--branco);
  color: var(--roxo-profundo);
  transform: translateY(-3px);
}

.btn-lg {
  font-size: var(--fs-lg);
  padding: 1.125rem 2.5rem;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
}

.badge-dourado {
  background: rgba(212, 175, 55, 0.15);
  color: var(--dourado-escuro);
  border: 1px solid var(--dourado);
}

.badge-roxo {
  background: rgba(107, 75, 168, 0.12);
  color: var(--roxo-profundo);
  border: 1px solid var(--roxo-claro);
}

.badge-branco {
  background: rgba(255, 255, 255, 0.12);
  color: var(--branco);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

/* Cards */
.card {
  background: var(--branco);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border: 1px solid rgba(107, 75, 168, 0.08);
}

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

.card-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--roxo-profundo), var(--roxo-claro));
  color: var(--branco);
  margin-bottom: var(--space-md);
}

.card-title {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-xs);
}

.card-text {
  color: var(--cinza-medio);
  font-size: var(--fs-base);
}

/* ---------- HEADER / NAVBAR ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: var(--fs-xl);
  color: var(--roxo-profundo);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--dourado);
}

.nav-menu {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav-link {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--fs-base);
  color: var(--cinza-escuro);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--dourado);
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: var(--roxo-profundo);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  width: 26px;
  height: 3px;
  background: var(--roxo-profundo);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--roxo-escuro) 0%, var(--roxo-profundo) 50%, var(--roxo-claro) 100%);
  position: relative;
  overflow: hidden;
  padding: 6rem 0 4rem;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: floatGlow 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: floatGlow 10s ease-in-out infinite reverse;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 var(--space-md);
}

.hero-badge {
  margin-bottom: var(--space-md);
  animation: fadeInDown 0.8s ease;
}

.hero-title {
  font-size: var(--fs-5xl);
  color: var(--branco);
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title .highlight {
  color: var(--dourado);
  position: relative;
}

.hero-subtitle {
  font-size: var(--fs-xl);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.6s both;
}

/* ---------- SEÇÃO BENEFÍCIOS ---------- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.benefit-card {
  text-align: center;
  animation: fadeInUp 0.6s ease both;
}

.benefit-card:nth-child(1) { animation-delay: 0.1s; }
.benefit-card:nth-child(2) { animation-delay: 0.2s; }
.benefit-card:nth-child(3) { animation-delay: 0.3s; }
.benefit-card:nth-child(4) { animation-delay: 0.4s; }
.benefit-card:nth-child(5) { animation-delay: 0.5s; }
.benefit-card:nth-child(6) { animation-delay: 0.6s; }

/* ---------- SEÇÃO SOBRE ---------- */
.about {
  background: var(--cinza-claro);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

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

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-image:hover img {
  transform: scale(1.05);
}

.about-content h2 {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-md);
}

.about-content p {
  color: var(--cinza-medio);
  margin-bottom: var(--space-md);
  font-size: var(--fs-lg);
}

.about-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.about-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--fs-base);
  color: var(--cinza-escuro);
}

.about-list li::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  background: var(--dourado);
  color: var(--branco);
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* ---------- SEÇÃO MÓDULOS / CURRÍCULO ---------- */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

.module-card {
  position: relative;
  overflow: hidden;
}

.module-number {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 3rem;
  color: rgba(107, 75, 168, 0.1);
  line-height: 1;
}

.module-card .card-icon {
  background: linear-gradient(135deg, var(--dourado), var(--dourado-escuro));
  color: var(--preto-suave);
}

/* ---------- SEÇÃO DEPOIMENTOS ---------- */
.testimonials {
  background: linear-gradient(135deg, var(--roxo-escuro), var(--roxo-profundo));
  color: var(--branco);
}

.testimonials .section-title {
  color: var(--branco);
}

.testimonials .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-5px);
}

.testimonial-stars {
  color: var(--dourado);
  font-size: var(--fs-lg);
  margin-bottom: var(--space-sm);
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: var(--fs-base);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-md);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--dourado), var(--dourado-escuro));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-headline);
  font-weight: 700;
  color: var(--preto-suave);
  font-size: var(--fs-lg);
}

.testimonial-name {
  font-family: var(--font-headline);
  font-weight: 600;
  color: var(--branco);
  font-size: var(--fs-base);
}

.testimonial-role {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.6);
}

/* ---------- SEÇÃO PREÇO / CTA ---------- */
.pricing {
  background: var(--cinza-claro);
}

.pricing-card {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
  background: var(--branco);
  border: 2px solid var(--dourado);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--roxo-profundo), var(--dourado));
}

.pricing-badge {
  position: absolute;
  top: var(--space-md);
  right: -30px;
  transform: rotate(45deg);
  background: var(--dourado);
  color: var(--preto-suave);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: var(--fs-xs);
  padding: 0.3rem 2.5rem;
  text-transform: uppercase;
}

.pricing-title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-xs);
}

.pricing-price {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: var(--fs-4xl);
  color: var(--roxo-profundo);
  margin: var(--space-md) 0;
}

.pricing-price small {
  font-size: var(--fs-base);
  color: var(--cinza-medio);
  font-weight: 400;
}

.pricing-price .old-price {
  display: block;
  font-size: var(--fs-lg);
  color: var(--cinza-medio);
  text-decoration: line-through;
  font-weight: 400;
  margin-bottom: 0.25rem;
}

.pricing-features {
  text-align: left;
  margin: var(--space-lg) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-base);
  color: var(--cinza-escuro);
}

.pricing-features li::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  background: var(--roxo-profundo);
  color: var(--branco);
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.7rem;
  flex-shrink: 0;
}

/* ---------- SEÇÃO GARANTIA ---------- */
.guarantee {
  text-align: center;
  padding: var(--space-xl) 0;
}

.guarantee-badge {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--dourado), var(--dourado-escuro));
  font-size: 2.5rem;
  color: var(--branco);
  box-shadow: var(--shadow-dourado);
  animation: pulseGlow 3s ease-in-out infinite;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.faq-item {
  background: var(--branco);
  border: 1px solid rgba(107, 75, 168, 0.12);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item:hover {
  border-color: var(--roxo-claro);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: var(--fs-lg);
  color: var(--roxo-escuro);
  text-align: left;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--roxo-profundo);
}

.faq-question .faq-icon {
  font-size: var(--fs-xl);
  color: var(--dourado);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-sm);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-base);
  padding: 0 var(--space-md);
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 var(--space-md) var(--space-md);
}

.faq-answer p {
  color: var(--cinza-medio);
  font-size: var(--fs-base);
}

/* ---------- CTA FINAL ---------- */
.cta-final {
  background: linear-gradient(135deg, var(--roxo-profundo), var(--roxo-escuro));
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-final::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.12) 0%, transparent 70%);
  border-radius: 50%;
}

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

.cta-final h2 {
  color: var(--branco);
  font-size: var(--fs-4xl);
  margin-bottom: var(--space-md);
}

.cta-final p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--fs-lg);
  margin-bottom: var(--space-lg);
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--cinza-escuro);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-brand .logo {
  color: var(--branco);
  margin-bottom: var(--space-sm);
}

.footer-brand p {
  font-size: var(--fs-sm);
  max-width: 300px;
}

.footer-col h4 {
  color: var(--branco);
  font-size: var(--fs-base);
  margin-bottom: var(--space-sm);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col a {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--dourado);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--branco);
  font-size: var(--fs-base);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: var(--dourado);
  color: var(--preto-suave);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-md);
  text-align: center;
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- ANIMAÇÕES ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatGlow {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(20px, -20px) scale(1.1);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.4);
  }
  50% {
    box-shadow: 0 0 0 20px rgba(212, 175, 55, 0);
  }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* Animação on-scroll (usar com IntersectionObserver no JS) */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- MEDIA QUERIES ---------- */

/* Tablet (até 992px) */
@media (max-width: 992px) {
  :root {
    --fs-5xl: 3rem;
    --fs-4xl: 2.5rem;
    --fs-3xl: 2rem;
    --space-2xl: 4rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .about-image {
    max-height: 400px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* Mobile (até 768px) */
@media (max-width: 768px) {
  :root {
    --fs-5xl: 2.5rem;
    --fs-4xl: 2rem;
    --fs-3xl: 1.75rem;
    --fs-2xl: 1.5rem;
    --space-2xl: 3rem;
    --space-xl: 2.5rem;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--branco);
    flex-direction: column;
    align-items: center;
    padding: var(--space-lg) 0;
    gap: var(--space-md);
    box-shadow: var(--shadow-md);
    transform: translateY(-150%);
    transition: transform var(--transition-base);
    z-index: 999;
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }

  .hero {
    min-height: 90vh;
    padding: 5rem 0 3rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
  }

  .benefits-grid,
  .modules-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card {
    margin: 0 var(--space-sm);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand p {
    margin: 0 auto;
  }

  .footer-social {
    justify-content: center;
  }

  .footer-col ul {
    align-items: center;
  }
}

/* Mobile pequeno (até 480px) */
@media (max-width: 480px) {
  :root {
    --fs-5xl: 2rem;
    --fs-4xl: 1.75rem;
    --fs-3xl: 1.5rem;
  }

  .container {
    padding: 0 var(--space-sm);
  }

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

  .card {
    padding: var(--space-md);
  }

  .pricing-card {
    padding: var(--space-lg);
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: var(--fs-sm);
  }

  .btn-lg {
    padding: 1rem 2rem;
    font-size: var(--fs-base);
  }

  .faq-question {
    font-size: var(--fs-base);
    padding: var(--space-sm) var(--space-md);
  }
}

/* Desktop grande (acima de 1200px) */
@media (min-width: 1200px) {
  :root {
    --fs-5xl: 4rem;
    --fs-4xl: 3.25rem;
  }
}

/* ---------- ACESSIBILIDADE ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Focus visível para acessibilidade */
.btn:focus-visible,
.nav-link:focus-visible,
.faq-question:focus-visible,
.footer-social a:focus-visible {
  outline: 3px solid var(--dourado);
  outline-offset: 3px;
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--cinza-claro);
}

::-webkit-scrollbar-thumb {
  background: var(--roxo-claro);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--roxo-profundo);
}

/* Seleção de texto */
::selection {
  background: var(--roxo-profundo);
  color: var(--branco);
}