:root {
  --bg-dark: #050608;
  --bg-darker: #020308;
  --bg-light: #0f1117;
  --accent: #00a86b;
  --accent-soft: rgba(0, 168, 107, 0.12);
  --accent-strong: #00c97d;
  --danger: #ff004f;
  --text-main: #f9fafb;
  --text-muted: #a0a3b1;
  --card-bg: #101319;
  --border-subtle: #202431;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.45);
  --radius-lg: 18px;
  --radius-xl: 26px;
  --transition-fast: 0.2s ease-out;
}

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

html, body {
  height: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top left, #111827 0, #020308 45%);
  color: var(--text-main);
}

/* Layout base */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Top bar */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(to bottom, rgba(2, 3, 8, 0.95), rgba(2, 3, 8, 0.85));
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 24px;
}

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

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, var(--accent-strong), var(--accent));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  color: #020308;
  box-shadow: 0 0 20px rgba(0, 168, 107, 0.5);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-weight: 700;
  font-size: 15px;
}

.brand-tagline {
  font-size: 11px;
  color: var(--text-muted);
}

.nav-links {
  display: flex;
  gap: 16px;
  font-size: 13px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--accent-strong);
}

.nav-cta {
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(0, 168, 107, 0.45);
  color: var(--accent-strong);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.nav-cta:hover {
  background: var(--accent);
  color: #020308;
  box-shadow: 0 10px 24px rgba(0, 168, 107, 0.45);
}

/* Hero */
.hero {
  padding: 48px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 38px;
  align-items: center;
}

.badge-hot {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  color: var(--accent-strong);
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(28px, 3.1vw, 36px);
  line-height: 1.15;
  margin-bottom: 12px;
}

.highlight {
  color: var(--accent-strong);
}

.hero-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 18px;
  max-width: 440px;
}

.hero-bullets {
  list-style: none;
  font-size: 13px;
  color: var(--text-main);
  margin-bottom: 20px;
}

.hero-bullets li + li {
  margin-top: 6px;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.hero-guarantee {
  font-size: 12px;
  color: var(--text-muted);
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 11px;
  color: var(--text-muted);
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  color: #020308;
  box-shadow: 0 12px 26px rgba(0, 169, 107, 0.4);
}

.btn-primary:hover {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 16px 42px rgba(0, 169, 107, 0.55);
}

.btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.06);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.btn.large {
  padding: 14px 24px;
  font-size: 15px;
}

/* Hero mockup */
.hero-mockup {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-end;
}

.mockup-card {
  width: 100%;
  max-width: 320px;
  padding: 14px;
  border-radius: var(--radius-xl);
  background: radial-gradient(circle at top left, #1f2937 0, #020308 55%);
  border: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: var(--shadow-soft);
}

.mockup-ebooks {
  width: 100%;
  height: 180px;
  border-radius: 18px;
  background: linear-gradient(135deg, #00c97d, #111827);
  position: relative;
  overflow: hidden;
}

/* Efeito “capas” */
.mockup-ebooks::before,
.mockup-ebooks::after {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.mockup-ebooks::after {
  inset: 20px;
  opacity: 0.7;
}

.mockup-caption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.mockup-caption strong {
  color: var(--text-main);
}

.price-tag {
  text-align: right;
  max-width: 260px;
}

.price-tag .label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--danger);
}

.prices {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.old-price {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: line-through;
}

.new-price {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent-strong);
}

.installments {
  font-size: 11px;
  color: var(--text-muted);
}

/* Sections gerais */
.section {
  padding: 40px 0;
}

.section.dark-section {
  background: radial-gradient(circle at top, #111827 0, #020308 55%);
}

.section.light-section {
  background: radial-gradient(circle at center, #020308 0, #020308 40%, #050816 100%);
}

.section-header {
  text-align: center;
  margin-bottom: 24px;
}

.section-header h2 {
  font-size: 22px;
  margin-bottom: 6px;
}

.section-header p {
  font-size: 14px;
  color: var(--text-muted);
}

/* Cards e grids */
.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 24px;
  align-items: flex-start;
}

.section-text p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.list-negative {
  list-style: none;
  font-size: 13px;
  margin: 10px 0 14px;
}

.list-negative li + li {
  margin-top: 6px;
}

.section-emphasis {
  font-size: 13px;
  color: var(--text-main);
}

.section-emphasis strong {
  color: var(--accent-strong);
}

.warning-card {
  padding: 16px;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, rgba(255, 0, 79, 0.2), #111827);
  border: 1px solid rgba(255, 0, 79, 0.45);
}

.warning-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.warning-card p {
  font-size: 13px;
  color: var(--text-main);
}

.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 16px;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.35);
}

.card h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.card p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.card-list {
  list-style: none;
  font-size: 12px;
  color: var(--text-main);
}

.card-list li + li {
  margin-top: 4px;
}

.card-list.compact li {
  margin-top: 2px;
}

/* Pacote */
.bundle-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  gap: 24px;
}

.bundle-item {
  padding: 14px;
  border-radius: var(--radius-lg);
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.25);
  margin-bottom: 12px;
}

.bundle-item h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.bundle-item p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.summary-list {
  list-style: none;
  font-size: 13px;
  color: var(--text-main);
  margin-bottom: 14px;
}

.summary-list li + li {
  margin-top: 6px;
}

.bundle-side-card {
  padding: 16px;
  border-radius: var(--radius-xl);
  background: radial-gradient(circle at top, rgba(0, 168, 107, 0.35), #020308);
  border: 1px solid rgba(0, 168, 107, 0.5);
  box-shadow: var(--shadow-soft);
}

.summary-price {
  margin-bottom: 12px;
}

.summary-price .old-price {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: line-through;
}

.summary-price .new-price {
  display: block;
  font-size: 20px;
  font-weight: 800;
  color: var(--accent-strong);
}

.summary-price .installments {
  font-size: 12px;
  color: var(--text-muted);
}

.summary-note {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Bônus */
.bonus-section {
  background: radial-gradient(circle at top, #020308 0, #050816 60%);
}

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

.bonus-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.05), transparent 55%);
  pointer-events: none;
}

.bonus-tag {
  display: inline-flex;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 11px;
  margin-bottom: 6px;
}

.bonus-value {
  font-size: 12px;
  color: var(--accent-strong);
  margin-top: 8px;
}

/* Testemunhos */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.testimonial-card {
  padding: 14px;
  border-radius: var(--radius-lg);
  background: #020308;
  border: 1px solid var(--border-subtle);
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.avatar-circle {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: rgba(156, 163, 175, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.testimonial-header strong {
  font-size: 13px;
}

.testimonial-header span {
  font-size: 11px;
  color: var(--text-muted);
}

.testimonial-card p {
  font-size: 12px;
  color: var(--text-main);
}

/* Garantia */
.guarantee-section {
  background: radial-gradient(circle at center, #020308 0, #020308 40%, #050816 100%);
}

.guarantee-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

.guarantee-text p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

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

.badge-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 8px;
  border: 3px solid var(--accent-strong);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(0, 168, 107, 0.6);
}

.badge-circle span {
  font-size: 36px;
  font-weight: 800;
}

.badge-circle small {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.guarantee-badge p {
  font-size: 12px;
  color: var(--text-muted);
}

/* Oferta final */
.offer-section {
  background: radial-gradient(circle at top, rgba(0, 168, 107, 0.3), #020308);
}

.offer-card {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.1fr);
  gap: 22px;
  padding: 20px;
  border-radius: var(--radius-xl);
  background: rgba(2, 6, 23, 0.95);
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: var(--shadow-soft);
}

.offer-text h2 {
  font-size: 20px;
  margin-bottom: 12px;
}

.offer-list {
  list-style: none;
  font-size: 13px;
  color: var(--text-main);
}

.offer-list li + li {
  margin-top: 8px;
}

.offer-price-block {
  padding: 16px;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top, rgba(0, 168, 107, 0.35), #020308);
  border: 1px solid rgba(0, 168, 107, 0.6);
}

.offer-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--danger);
}

.offer-prices {
  margin: 8px 0;
}

.offer-prices .old-price {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: line-through;
}

.offer-prices .new-price {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: var(--accent-strong);
}

.offer-note {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.faq-item {
  padding: 14px;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
}

.faq-item h3 {
  font-size: 14px;
  margin-bottom: 6px;
}

.faq-item p {
  font-size: 12px;
  color: var(--text-muted);
}

/* Footer */
.footer {
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  padding: 18px 0 22px;
  background: #020308;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-strong);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 11px;
  color: var(--text-muted);
}

/* Responsivo */
@media (max-width: 960px) {
  .hero-grid,
  .section-grid,
  .bundle-grid,
  .guarantee-grid,
  .offer-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-mockup {
    align-items: flex-start;
  }

  .top-bar-inner {
    flex-wrap: wrap;
  }

  .nav-links {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero {
    padding-top: 28px;
  }

  .cards-3,
  .testimonials-grid,
  .faq-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .top-bar-inner {
    gap: 12px;
  }

  .btn {
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 24px;
  }

  .mockup-card {
    max-width: 100%;
  }

  .offer-card {
    padding: 16px;
  }
}