/* ==========================================================================
   TEACHER MARZO CALDAS - MODERN LANDING PAGE DESIGN SYSTEM (2026)
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-primary: #0a0e17;
  --bg-secondary: #0f172a;
  --bg-card: rgba(19, 27, 46, 0.7);
  --bg-card-hover: rgba(28, 39, 65, 0.85);
  --bg-card-border: rgba(255, 255, 255, 0.08);
  --bg-card-border-glow: rgba(59, 130, 246, 0.35);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-amber: #f59e0b;
  --accent-green: #10b981;
  --whatsapp-green: #25d366;
  --whatsapp-hover: #20ba5a;

  /* Gradients */
  --grad-primary: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  --grad-text: linear-gradient(135deg, #60a5fa 0%, #38bdf8 50%, #34d399 100%);
  --grad-gold: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  --grad-card-glow: radial-gradient(circle at top, rgba(59, 130, 246, 0.12) 0%, transparent 70%);

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

  /* Shadows & Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 35px rgba(59, 130, 246, 0.25);
  --shadow-wpp: 0 10px 25px rgba(37, 211, 102, 0.35);

  /* Transitions */
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg {
  vertical-align: middle;
}

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

ul {
  list-style: none;
}

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

/* ==========================================================================
   TOP ANNOUNCEMENT BAR
   ========================================================================== */
.top-announcement {
  background: linear-gradient(90deg, #1e3a8a, #0f766e);
  color: #e0f2fe;
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.announcement-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.announcement-link {
  color: #fef08a;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.announcement-link:hover {
  color: #ffffff;
}

/* ==========================================================================
   SITE HEADER & NAV
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--bg-card-border);
  transition: var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

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

.logo-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--grad-primary);
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

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

.logo-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.logo-sub {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

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

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

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

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

.header-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

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

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ==========================================================================
   BUTTONS & ACCENTS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--whatsapp-green);
  color: #042410;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.25);
}

.btn-primary:hover {
  background-color: var(--whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-wpp);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.12);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--bg-card-border);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--text-secondary);
}

.btn-lg {
  padding: 1rem 1.75rem;
  font-size: 1.0625rem;
  border-radius: var(--radius-md);
}

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

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.1);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-description {
  color: var(--text-secondary);
  font-size: 1.125rem;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

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

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 4.5rem 0 5rem;
  overflow: hidden;
  background: radial-gradient(circle at 50% 0%, rgba(30, 58, 138, 0.2) 0%, transparent 60%);
}

.hero-bg-glow {
  position: absolute;
  top: -150px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: #93c5fd;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.1875rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.hero-subtitle strong {
  color: var(--text-primary);
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.75rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--bg-card-border);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--bg-card-border);
}

/* Hero Profile Card */
.profile-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  position: relative;
  transition: var(--transition);
}

.profile-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.4), transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.profile-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--bg-card-border);
}

.profile-avatar {
  position: relative;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #1e3a8a, #0284c7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.status-indicator {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--whatsapp-green);
  border: 2px solid var(--bg-primary);
}

.profile-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.profile-role {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.profile-rating {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.stars {
  color: #fbbf24;
  font-size: 0.95rem;
  letter-spacing: 2px;
}

.rating-text {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.profile-highlights {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.5rem 0;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.highlight-icon {
  font-size: 1.25rem;
  padding: 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  border: 1px solid var(--bg-card-border);
}

.highlight-info strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.highlight-info p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.profile-footer {
  padding-top: 1.25rem;
  border-top: 1px solid var(--bg-card-border);
}

.footer-guarantee {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.8125rem;
  color: var(--accent-green);
  font-weight: 500;
}

/* ==========================================================================
   TRUST LOGOS BAR
   ========================================================================== */
.trust-bar {
  padding: 2.5rem 0;
  border-top: 1px solid var(--bg-card-border);
  border-bottom: 1px solid var(--bg-card-border);
  background: rgba(15, 23, 42, 0.4);
}

.trust-title {
  text-align: center;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.trust-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
}

.trust-badge {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-secondary);
  padding: 0.4rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: var(--transition);
}

.trust-badge:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

/* ==========================================================================
   FEATURES / DIFERENCIAIS
   ========================================================================== */
.features-section {
  padding: 6rem 0;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--bg-card-border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.feature-icon-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-sm);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.feature-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   METODOLOGIA & COMPARAÇÃO
   ========================================================================== */
.method-section {
  padding: 6rem 0;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-top: 1px solid var(--bg-card-border);
}

.method-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.method-intro {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.method-steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.step-bullet {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--grad-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
}

.step-text strong {
  display: block;
  font-size: 1.0625rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.step-text p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.method-comparison {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.comparison-card {
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--bg-card-border);
  position: relative;
}

.comp-traditional {
  background: rgba(239, 68, 68, 0.04);
  border-color: rgba(239, 68, 68, 0.2);
}

.comp-traditional .comp-title {
  font-family: var(--font-heading);
  color: #fca5a5;
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

.comp-traditional li {
  font-size: 0.9375rem;
  color: #cbd5e1;
  margin-bottom: 0.5rem;
}

.comp-marzo {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.35);
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.1);
}

.comp-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--accent-green);
  color: #042410;
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.comp-marzo .comp-title {
  font-family: var(--font-heading);
  color: #6ee7b7;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.comp-marzo li {
  font-size: 0.9375rem;
  color: #f1f5f9;
  margin-bottom: 0.6rem;
  font-weight: 500;
}

/* ==========================================================================
   DEPOIMENTOS / TESTIMONIALS
   ========================================================================== */
.testimonials-section {
  padding: 6rem 0;
  background: var(--bg-primary);
}

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

.testi-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.testi-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.testi-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.testi-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-heading);
  font-size: 1rem;
  flex-shrink: 0;
}

.testi-author {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
}

.testi-role {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.testi-rating {
  color: #fbbf24;
  letter-spacing: 2px;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.testi-quote {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #cbd5e1;
  font-style: italic;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.testi-footer {
  border-top: 1px solid var(--bg-card-border);
  padding-top: 0.75rem;
}

.testi-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  color: #60a5fa;
  font-weight: 600;
}

.testimonials-cta {
  margin-top: 3.5rem;
}

.linkedin-badge-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.75rem;
  background: rgba(10, 102, 194, 0.12);
  border: 1px solid rgba(10, 102, 194, 0.35);
  border-radius: var(--radius-full);
  color: #93c5fd;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: var(--transition);
}

.linkedin-badge-link:hover {
  background: rgba(10, 102, 194, 0.25);
  border-color: #3b82f6;
  color: #ffffff;
  transform: translateY(-2px);
}

/* ==========================================================================
   PRICING / TABELA DE VALORES
   ========================================================================== */
.pricing-section {
  padding: 6rem 0;
  background: radial-gradient(circle at 50% 10%, rgba(30, 58, 138, 0.2) 0%, transparent 60%);
  border-top: 1px solid var(--bg-card-border);
}

.pricing-toggle-wrap {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
}

.pricing-toggle {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.35rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--bg-card-border);
}

.toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toggle-btn.active {
  background: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35);
}

.tag-discount {
  background: var(--accent-green);
  color: #042410;
  font-size: 0.6875rem;
  font-weight: 800;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
}

.pricing-cards-container {
  display: none;
  margin-top: 3.5rem;
}

.pricing-cards-container.active {
  display: block;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.dupla-grid {
  grid-template-columns: repeat(2, 1fr);
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: var(--shadow-md);
}

.pricing-card.popular {
  background: linear-gradient(180deg, rgba(30, 58, 138, 0.3) 0%, rgba(19, 27, 46, 0.9) 100%);
  border-color: rgba(59, 130, 246, 0.5);
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.15);
  transform: scale(1.03);
}

.pricing-card.popular:hover {
  transform: scale(1.03) translateY(-4px);
}

.popular-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad-primary);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.card-header {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--bg-card-border);
}

.plan-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.plan-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  min-height: 42px;
  line-height: 1.5;
}

.plan-price {
  margin-top: 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.plan-price .currency {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.plan-price .amount {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.plan-price .period {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.rate-info {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--accent-cyan);
}

.rate-info strong {
  color: #67e8f9;
}

.plan-features {
  padding: 1.75rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  flex-grow: 1;
}

.plan-features li {
  font-size: 0.9375rem;
  color: #cbd5e1;
  line-height: 1.45;
}

.plan-features li strong {
  color: var(--text-primary);
}

.plan-btn {
  width: 100%;
}

.pricing-policy-box {
  margin-top: 3.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 2rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.pricing-policy-box h4 {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  color: var(--accent-amber);
  margin-bottom: 0.5rem;
}

.pricing-policy-box p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   FAQ SECTION (ACCORDION)
   ========================================================================== */
.faq-section {
  padding: 6rem 0;
  background: var(--bg-primary);
}

.faq-container {
  max-width: 860px;
}

.faq-accordion {
  margin-top: 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 1.25rem 1.5rem;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-icon {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--accent-blue);
  transition: transform 0.25s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding-bottom: 1.25rem;
  transition: max-height 0.35s cubic-bezier(1, 0, 1, 0);
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ==========================================================================
   FINAL CTA BANNER
   ========================================================================== */
.cta-banner {
  padding: 5rem 0;
  background: radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.12) 0%, rgba(10, 14, 23, 1) 75%);
  border-top: 1px solid var(--bg-card-border);
}

.cta-banner-inner {
  text-align: center;
  max-width: 800px;
}

.cta-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--accent-green);
  background: rgba(16, 185, 129, 0.12);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.cta-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2.25rem;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #060910;
  border-top: 1px solid var(--bg-card-border);
  padding: 4.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3.5rem;
}

.footer-logo {
  margin-bottom: 1rem;
}

.footer-bio {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 320px;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

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

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.75rem;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   FLOATING WHATSAPP BUTTON
   ========================================================================== */
.floating-wpp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: transform 0.25s ease;
}

.floating-circle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--whatsapp-green);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  animation: pulse-glow 2.5s infinite;
}

@keyframes pulse-glow {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

.floating-tooltip {
  background: #0f172a;
  color: #ffffff;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--bg-card-border);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
  pointer-events: none;
}

.floating-wpp:hover {
  transform: translateY(-4px) scale(1.04);
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */
.toast-notification {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #1e293b;
  color: #f8fafc;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--accent-green);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  z-index: 2000;
}

.toast-notification.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLETS & MOBILES)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .method-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .pricing-card.popular {
    transform: none;
  }

  .pricing-card.popular:hover {
    transform: translateY(-4px);
  }

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

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.35rem;
  }

  .section-title {
    font-size: 1.85rem;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    width: 100%;
    background: #0a0e17;
    border-bottom: 1px solid var(--bg-card-border);
    padding: 1.5rem;
  }

  .main-nav.active {
    display: block;
  }

  .main-nav .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .header-btn {
    display: none;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

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

  .dupla-grid {
    grid-template-columns: 1fr;
  }

  .evolution-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .floating-tooltip {
    display: none;
  }

  .hero-stats {
    gap: 1.25rem;
  }

  .stat-number {
    font-size: 1.5rem;
  }
}

/* ==========================================================================
   SPEAKER PORTAL & EVOLUÇÃO CONTÍNUA SECTION
   ========================================================================== */
.evolution-section {
  padding: 6rem 0;
  position: relative;
  background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(15, 23, 42, 0.7) 50%, var(--bg-primary) 100%);
  border-top: 1px solid var(--bg-card-border);
  border-bottom: 1px solid var(--bg-card-border);
  overflow: hidden;
}

.evolution-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
  margin-top: 3rem;
}

.evolution-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.evo-card {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.evo-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(6, 182, 212, 0.3);
  transform: translateY(-2px);
}

.evo-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
  border: 1px solid rgba(6, 182, 212, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.evo-info h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.evo-info p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* UI Mockup Card */
.evo-mockup-wrapper {
  position: relative;
}

.evo-mockup-wrapper::before {
  content: "";
  position: absolute;
  top: -10%;
  right: -10%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.evo-mockup {
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.6), 0 0 30px rgba(6, 182, 212, 0.08);
  position: relative;
  z-index: 1;
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 1.25rem;
}

.mockup-student {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.mockup-avatar {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
  color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-family: var(--font-heading);
  font-size: 1.05rem;
}

.mockup-name {
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--text-primary);
}

.mockup-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.mockup-status-badge {
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.mockup-metrics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.mockup-metric {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.5rem;
  text-align: center;
}

.metric-val {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent-cyan);
}

.metric-lbl {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.mockup-section-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-bottom: 0.85rem;
}

.mockup-box-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent-cyan);
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.mockup-box-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.mockup-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.35rem;
}

.mockup-tag {
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: #93c5fd;
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  font-weight: 600;
}

.mockup-caption {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}