/**
 * Landing Page - Especialista em Fibonacci (Pedro Kaizen)
 * Stylesheet Principal - All-Black & Operebem Green Design System
 * UTF-8 without BOM
 */

/* ==========================================================================
   1. DESIGN TOKENS & CSS VARIABLES (OPEREBEM ALL-BLACK)
   ========================================================================== */
:root {
  /* Backgrounds (Pure All-Black & Rich Dark Surfaces) */
  --bg: #000000;
  --bg-2: #070709;
  --bg-3: #0D0D10;
  --card: #111114;
  --card-2: #16161A;
  --card-hover: #1A1A20;
  --glass: rgba(18, 18, 22, 0.75);
  --glass-hover: rgba(26, 26, 32, 0.9);

  /* Typography Colors */
  --tx: #FFFFFF;
  --tx-2: #CCCCCC;
  --tx-3: #8A8A8A;
  --tx-muted: #5A5A62;
  --tx-ink: #001B10;

  /* Operebem Primary Green Palette */
  --primary: #00C978;
  --primary-light: #00E88F;
  --primary-dark: #009157;
  --primary-deep: #005A36;
  --primary-glow: rgba(0, 217, 130, 0.35);
  --shimmer-hi: #22F8A2;
  --wash: rgba(0, 201, 120, 0.12);
  --wash-2: rgba(0, 201, 120, 0.24);

  /* Secondary Accents (Golden Ratio & Badges) */
  --gold: #F59E0B;
  --gold-light: #FBBF24;
  --gold-wash: rgba(245, 158, 11, 0.12);
  --discord-brand: #5865F2;

  /* Borders & Dividers */
  --line: #242428;
  --line-2: #1A1A1E;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.14);
  --border-green: rgba(0, 201, 120, 0.4);
  --border-green-hi: rgba(34, 248, 162, 0.6);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.6);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.8);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.95);
  --shadow-green: 0 10px 40px rgba(0, 201, 120, 0.25);
  --shadow-green-lg: 0 15px 50px rgba(0, 201, 120, 0.4);

  /* Sizing */
  --max: 1240px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg);
  color: var(--tx);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background-color: var(--bg);
  color: var(--tx);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  overflow-x: hidden;
  line-height: 1.6;
}

button, input, select, textarea {
  font-family: inherit;
}

/* Operebem Ambient Lighting Background */
.ambiente {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambiente::before {
  content: "";
  position: absolute;
  width: 55vw;
  height: 55vw;
  top: -15vw;
  right: -10vw;
  background: radial-gradient(circle, rgba(0, 201, 120, 0.14) 0%, transparent 65%);
  filter: blur(100px);
}

.ambiente::after {
  content: "";
  position: absolute;
  width: 45vw;
  height: 45vw;
  top: 45vh;
  left: -12vw;
  background: radial-gradient(circle, rgba(0, 201, 120, 0.08) 0%, transparent 70%);
  filter: blur(100px);
}

#palco {
  position: relative;
  z-index: 1;
}

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

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

/* ==========================================================================
   3. CONTAINERS & TYPOGRAPHY
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 3.5vw, 2.5rem);
}

.section {
  padding-top: 6rem;
  padding-bottom: 6rem;
  position: relative;
}

.section--sm {
  padding-top: 4.25rem;
  padding-bottom: 4.25rem;
}

.section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 3.5rem auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.78125rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.badge--green {
  background: var(--wash);
  color: var(--primary-light);
  border: 1px solid var(--border-green);
  box-shadow: 0 0 15px rgba(0, 201, 120, 0.15);
}

.badge--gold {
  background: var(--gold-wash);
  color: var(--gold-light);
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 10px currentColor;
}

.section-title {
  font-size: clamp(2rem, 3.6vw, 2.85rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--tx);
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}

.section-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--tx-2);
  line-height: 1.68;
}

.text-green {
  color: var(--primary-light);
}

.text-gold {
  color: var(--gold-light);
}

.text-gradient-green {
  background: linear-gradient(135deg, #FFFFFF 0%, #22F8A2 40%, #00C978 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   4. BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 1rem 2.25rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.btn--primary {
  background: linear-gradient(135deg, #22F8A2 0%, #00C978 60%, #009157 100%);
  color: var(--tx-ink);
  box-shadow: 0 6px 24px var(--primary-glow), inset 0 1px 1px rgba(255, 255, 255, 0.6);
  border-color: rgba(34, 248, 162, 0.5);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 35px rgba(0, 201, 120, 0.6), inset 0 1px 1px rgba(255, 255, 255, 0.8);
  filter: brightness(1.06);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--outline {
  background: rgba(255, 255, 255, 0.03);
  color: var(--tx);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(8px);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary-light);
  color: var(--primary-light);
  transform: translateY(-2px);
}

.btn--sm {
  padding: 0.625rem 1.35rem;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
}

.btn--lg {
  padding: 1.15rem 2.65rem;
  font-size: 1.125rem;
  font-weight: 800;
}

.btn--full {
  width: 100%;
}

.btn-pulse {
  animation: operebemPulse 2.5s infinite;
}

@keyframes operebemPulse {
  0% {
    box-shadow: 0 6px 24px rgba(0, 201, 120, 0.4);
  }
  50% {
    box-shadow: 0 8px 40px rgba(0, 201, 120, 0.85);
  }
  100% {
    box-shadow: 0 6px 24px rgba(0, 201, 120, 0.4);
  }
}

/* ==========================================================================
   5. HEADER & NAVBAR (Centered Navigation & Symmetrical Spacing)
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.header__container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 74px;
}

.header__logo {
  justify-self: start;
  display: flex;
  align-items: center;
  gap: 0.875rem;
  text-decoration: none;
}

.logo-official-img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  filter: drop-shadow(0 0 10px var(--primary-glow));
}

.logo-text-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-brand {
  font-size: 1.02rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.01em;
}

.logo-sub {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary-light);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.header__nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: #A1A1AA;
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.06);
}

.header__actions {
  justify-self: end;
  display: flex;
  align-items: center;
}

/* ==========================================================================
   6. HERO SECTION
   ========================================================================== */
.hero {
  padding-top: clamp(8rem, 12vw, 10rem);
  padding-bottom: clamp(3.5rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}

.hero-glow-bg {
  position: absolute;
  top: -140px;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 550px;
  background: radial-gradient(circle, rgba(0, 201, 120, 0.16) 0%, transparent 65%);
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}

.hero__title {
  font-size: clamp(2.35rem, 5.2vw, 3.75rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: var(--tx);
  margin-bottom: 1.35rem;
}

.hero__subtitle {
  font-size: clamp(1.02rem, 1.7vw, 1.18rem);
  color: var(--tx-2);
  line-height: 1.65;
  max-width: 780px;
  margin: 0 auto 2.35rem auto;
  letter-spacing: -0.01em;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 2.75rem;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  color: var(--tx-2);
  font-size: 0.9rem;
  font-weight: 600;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.trust-icon {
  color: var(--primary-light);
}

/* ==========================================================================
   7. TRUST STRIP
   ========================================================================== */
.trust-strip {
  background: var(--bg-2);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.85rem 0;
}

.trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  align-items: center;
}

.strip-item {
  display: flex;
  align-items: center;
  gap: 1.125rem;
  padding: 0.5rem 1rem;
}

.strip-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--card);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--primary-light);
  flex-shrink: 0;
}

.strip-text h4 {
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--tx);
  margin-bottom: 0.2rem;
}

.strip-text p {
  font-size: 0.8125rem;
  color: var(--tx-3);
}

/* ==========================================================================
   8. THREE CORE PILLARS
   ========================================================================== */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.pillar-card {
  background: var(--card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-light), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.pillar-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-green);
  background: var(--card-hover);
  box-shadow: var(--shadow-green);
}

.pillar-card:hover::before {
  opacity: 1;
}

.pillar-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  align-self: flex-start;
}

.pillar-badge--green {
  background: var(--wash);
  color: var(--primary-light);
  border: 1px solid var(--border-green);
}

.pillar-card__title {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--tx);
  margin-bottom: 0.875rem;
  line-height: 1.3;
}

.pillar-card__desc {
  font-size: 0.9375rem;
  color: var(--tx-2);
  line-height: 1.65;
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.pillar-card__media {
  margin-top: auto;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--bg-2);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

/* ==========================================================================
   E-BOOK 3D INTERACTIVE THREE.JS WEBGL SHOWCASE
   ========================================================================== */
.pillar-card__media--ebook {
  min-height: 290px;
  height: 290px;
  background: radial-gradient(circle at 50% 60%, rgba(0, 201, 120, 0.12) 0%, rgba(7, 7, 9, 0.98) 75%);
  position: relative;
  overflow: hidden;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ebook-3d-interactive-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ebook-3d-canvas-wrap {
  width: 100%;
  height: 100%;
  cursor: grab;
  touch-action: none;
}

.ebook-3d-canvas-wrap:active {
  cursor: grabbing;
}

.ebook-3d-canvas-wrap canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
  outline: none;
}

/* ==========================================================================
   9. TARGET AUDIENCE (PARA QUEM É)
   ========================================================================== */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.audience-card {
  background: var(--card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.75rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.audience-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-green);
  box-shadow: 0 10px 30px rgba(0, 201, 120, 0.18);
  background: var(--card-hover);
}

.audience-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--wash);
  border: 1px solid var(--border-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
}

.audience-card__title {
  font-size: 1.1875rem;
  font-weight: 800;
  color: var(--tx);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.audience-card__text {
  font-size: 0.9375rem;
  color: var(--tx-2);
  line-height: 1.6;
  flex-grow: 1;
}

/* ==========================================================================
   10. REALIDADE DE MERCADO (SEM ATALHOS / ÁGUIA - 2 COLUMNS COMPACT)
   ========================================================================== */
.section--reality {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
}

.reality-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.reality-title {
  font-size: clamp(1.85rem, 3.2vw, 2.45rem);
  font-weight: 800;
  color: var(--tx);
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.reality-desc {
  font-size: 1.05rem;
  color: var(--tx-2);
  line-height: 1.7;
  margin-bottom: 1.85rem;
}

.reality-features {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.reality-feat-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  font-size: 0.9375rem;
  color: var(--tx-2);
}

.reality-feat-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--wash);
  border: 1px solid var(--border-green);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 10px rgba(0, 201, 120, 0.2);
}

.reality-image-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1.5px solid rgba(0, 201, 120, 0.35);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.85), 0 0 30px rgba(0, 201, 120, 0.15);
  background: var(--card);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.reality-image-frame:hover {
  transform: translateY(-4px);
  border-color: var(--border-green-hi);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.95), 0 0 40px rgba(0, 201, 120, 0.25);
}

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

/* ==========================================================================
   11. COURSE CURRICULUM
   ========================================================================== */
.curriculum-meta {
  display: flex;
  justify-content: center;
  gap: 3.5rem;
  margin-bottom: 3.5rem;
}

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

.meta-number {
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--primary-light);
  line-height: 1;
}

.meta-label {
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--tx-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.4rem;
}

.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.module-card {
  background: var(--card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  transition: all var(--transition-normal);
  display: flex;
  align-items: flex-start;
  gap: 1.125rem;
}

.module-card:hover {
  background: var(--card-hover);
  border-color: var(--border-green);
  transform: translateX(4px);
}

.module-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--wash);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
  font-weight: 900;
  flex-shrink: 0;
  margin-top: 0.125rem;
  border: 1px solid var(--border-green);
}

.module-title {
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--tx);
  line-height: 1.35;
}

.module-desc {
  font-size: 0.875rem;
  color: var(--tx-3);
  margin-top: 0.35rem;
  line-height: 1.5;
}

/* ==========================================================================
   12. INSTRUCTOR BIO (PEDRO KAIZEN)
   ========================================================================== */
.instructor-wrapper {
  display: grid;
  grid-template-columns: 460px 1fr;
  gap: 4rem;
  align-items: center;
}

.instructor-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(180deg, #16161A 0%, #000000 100%);
  border: 2px solid var(--border-green);
  box-shadow: var(--shadow-green), 0 25px 60px rgba(0, 0, 0, 0.95);
}

.instructor-photo {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  object-position: center top;
}

.instructor-photo-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-green);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.instructor-photo-badge .badge-name {
  font-size: 1.15rem;
  font-weight: 900;
  color: #FFFFFF;
}

.instructor-photo-badge .badge-title {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--primary-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.instructor-story h3 {
  font-size: 2.35rem;
  font-weight: 900;
  color: var(--tx);
  margin-bottom: 0.4rem;
  line-height: 1.2;
}

.instructor-role {
  font-size: 1rem;
  font-weight: 800;
  color: var(--primary-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.75rem;
  display: block;
}

.story-paragraph {
  font-size: 1.0625rem;
  color: var(--tx-2);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.story-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2.25rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.highlight-item h4 {
  font-size: 2rem;
  font-weight: 900;
  color: var(--tx);
  margin-bottom: 0.25rem;
}

.highlight-item p {
  font-size: 0.875rem;
  color: var(--tx-3);
  font-weight: 700;
}

/* ==========================================================================
   13. GUARANTEE (GARANTIA DE 30 DIAS - PROMINENT SHIELD)
   ========================================================================== */
.guarantee-box {
  background: radial-gradient(circle at 50% 0%, rgba(0, 201, 120, 0.12) 0%, rgba(17, 17, 20, 0.98) 70%);
  border: 1.5px solid var(--border-green);
  border-radius: var(--radius-xl);
  padding: 4.5rem 3.5rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9);
}

.guarantee-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.guarantee-badge-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.guarantee-badge-container img {
  width: 360px;
  max-width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 15px 35px rgba(0, 0, 0, 0.8)) drop-shadow(0 0 35px rgba(0, 201, 120, 0.3));
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.guarantee-badge-container:hover img {
  transform: scale(1.03);
}

.guarantee-content h3 {
  font-size: clamp(1.85rem, 3vw, 2.5rem);
  font-weight: 900;
  color: var(--tx);
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.guarantee-lead {
  font-size: 1.125rem;
  color: var(--primary-light);
  font-weight: 600;
  line-height: 1.6;
  margin-bottom: 1.75rem;
}

.guarantee-rules-card {
  background: rgba(0, 0, 0, 0.8);
  border: 1px solid var(--border-green);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-bottom: 1.75rem;
}

.rules-header {
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--primary-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.rules-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  font-size: 0.9375rem;
  color: var(--tx-2);
  margin-bottom: 0.75rem;
  line-height: 1.55;
}

.rules-list li:last-child {
  margin-bottom: 0;
}

.rules-icon {
  color: var(--primary-light);
  font-weight: 900;
  font-size: 1.15rem;
  line-height: 1;
}

/* ==========================================================================
   15. PRICING & OFFER SECTION
   ========================================================================== */
.pricing-wrapper {
  max-width: 840px;
  margin: 0 auto;
}

.pricing-card {
  background: linear-gradient(180deg, rgba(22, 22, 26, 0.98) 0%, rgba(10, 10, 12, 0.98) 100%);
  border: 2px solid var(--primary-light);
  border-radius: var(--radius-xl);
  padding: 4.5rem 3.5rem;
  box-shadow: 0 20px 60px rgba(0, 201, 120, 0.25), 0 30px 80px rgba(0, 0, 0, 0.95);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.pricing-ribbon {
  position: absolute;
  top: 26px;
  right: -38px;
  transform: rotate(45deg);
  background: var(--primary-light);
  color: #001B10;
  font-weight: 900;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 48px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.4);
}

.pricing-header h3 {
  font-size: 2.125rem;
  font-weight: 900;
  color: var(--tx);
  margin-bottom: 0.5rem;
}

.pricing-header p {
  font-size: 1rem;
  color: var(--tx-2);
  margin-bottom: 2.25rem;
}

.pricing-included {
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2.5rem;
  text-align: left;
}

.included-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.9375rem;
}

.included-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.item-name {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--tx);
  font-weight: 600;
}

.item-check {
  color: var(--primary-light);
  font-size: 1.125rem;
}

.item-value {
  color: var(--tx-3);
  font-size: 0.875rem;
  text-decoration: line-through;
}

.pricing-values {
  margin-bottom: 2.5rem;
}

.price-anchor {
  font-size: 1.125rem;
  color: var(--tx-3);
  margin-bottom: 0.5rem;
}

.price-anchor span {
  text-decoration: line-through;
  color: var(--tx-2);
}

.price-installments {
  font-size: 1.125rem;
  color: var(--tx-2);
  font-weight: 600;
}

.price-highlight {
  font-size: clamp(3.25rem, 6vw, 4.5rem);
  font-weight: 900;
  color: var(--primary-light);
  line-height: 1.1;
  margin: 0.25rem 0;
  letter-spacing: -0.03em;
}

.price-cash {
  font-size: 1.0625rem;
  color: var(--tx-2);
  font-weight: 500;
}

.pricing-security {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.25rem;
  margin-top: 1.75rem;
  font-size: 0.8125rem;
  color: var(--tx-3);
  font-weight: 600;
}

.sec-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ==========================================================================
   16. FAQ ACCORDION
   ========================================================================== */
.faq-wrapper {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--border-glass);
}

.faq-item.is-active {
  border-color: var(--border-green);
  background: var(--card-hover);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.375rem 1.75rem;
  background: none;
  border: none;
  color: var(--tx);
  font-size: 1.0625rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  gap: 1rem;
}

.faq-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 1.25rem;
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.faq-item.is-active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary-light);
  color: var(--tx-ink);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq-answer-inner {
  padding: 0 1.75rem 1.5rem 1.75rem;
  color: var(--tx-2);
  font-size: 0.9375rem;
  line-height: 1.7;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 1rem;
}

/* ==========================================================================
   17. FOOTER & LEGAL
   ========================================================================== */
.footer {
  background: #000000;
  border-top: 1px solid var(--border-subtle);
  padding-top: 4.5rem;
  padding-bottom: 3rem;
  color: var(--tx-3);
  font-size: 0.875rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3.5rem;
  margin-bottom: 3.5rem;
}

.footer-brand h4 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--tx);
  margin-bottom: 0.75rem;
}

.footer-brand p {
  line-height: 1.65;
  max-width: 420px;
}

.footer-col h5 {
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--tx);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a:hover {
  color: var(--primary-light);
}

.social-links {
  display: flex;
  gap: 0.875rem;
}

.social-btn {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--card);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tx-2);
  transition: all var(--transition-fast);
}

.social-btn:hover {
  background: var(--primary);
  color: var(--tx-ink);
  border-color: var(--primary-light);
  transform: translateY(-2px);
}

.footer-disclaimer {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.75rem;
  line-height: 1.65;
  color: #55555C;
  text-align: justify;
}

.footer-bottom {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
}

/* ==========================================================================
   18. STICKY MOBILE BOTTOM BAR
   ========================================================================== */
.sticky-mobile-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-green);
  padding: 0.875rem 1.25rem;
  display: none;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.9);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.sticky-mobile-cta.is-visible {
  transform: translateY(0);
}

.mobile-cta-price {
  line-height: 1.2;
}

.mobile-cta-price .label {
  font-size: 0.7rem;
  color: var(--tx-3);
  text-transform: uppercase;
}

.mobile-cta-price .value {
  font-size: 1.125rem;
  font-weight: 900;
  color: var(--primary-light);
}

/* ==========================================================================
   19. RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1100px) {
  .pillars-grid {
    grid-template-columns: 1fr;
    max-width: 580px;
    margin: 0 auto;
  }

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

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

  .instructor-wrapper {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
    gap: 3rem;
  }

  .header__nav {
    gap: 0.875rem;
  }
}

@media (max-width: 860px) {
  .header__container {
    display: flex;
    justify-content: space-between;
    height: 68px;
  }

  .header__nav {
    display: none;
  }

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

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

  .pricing-card {
    padding: 3rem 1.75rem;
  }

  .guarantee-box {
    padding: 3rem 1.5rem;
  }

  .guarantee-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .guarantee-badge-container img {
    max-width: 290px;
  }

  .rules-list li {
    justify-content: flex-start;
    text-align: left;
  }

  .curriculum-meta {
    gap: 1.5rem;
  }
}

@media (max-width: 640px) {
  .section {
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
  }

  .hero {
    padding-top: 7.5rem;
    padding-bottom: 3.5rem;
  }

  .hero__actions .btn {
    width: 100%;
  }

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

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

  .story-highlights {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .sticky-mobile-cta {
    display: flex;
  }
}

/* ==========================================================================
   20. BRANDED ERROR PAGES (404, 500, 403)
   ========================================================================== */
.error-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.error-palco {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.error-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 1.5rem 4rem 1.5rem;
  position: relative;
}

.error-card {
  position: relative;
  background: var(--card);
  border: 1.5px solid var(--border-green);
  border-radius: var(--radius-xl);
  padding: clamp(3rem, 6vw, 4.5rem) clamp(1.5rem, 5vw, 3.5rem);
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.95), 0 0 35px rgba(0, 201, 120, 0.15);
  overflow: hidden;
}

.error-glow-orb {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 320px;
  height: 200px;
  background: radial-gradient(circle, rgba(0, 201, 120, 0.3) 0%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
}

.error-badge-wrap {
  margin-bottom: 0.5rem;
}

.error-code-graphic {
  font-size: clamp(5rem, 12vw, 8.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.05em;
  background: linear-gradient(180deg, #FFFFFF 20%, #22F8A2 65%, #009157 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 40px rgba(0, 201, 120, 0.3);
  margin-bottom: 0.5rem;
}

.error-code-graphic--gold {
  background: linear-gradient(180deg, #FFFFFF 20%, #F59E0B 65%, #B45309 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.error-title {
  font-size: clamp(1.75rem, 3.5vw, 2.35rem);
  font-weight: 800;
  color: var(--tx);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.error-subtitle {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--tx-2);
  line-height: 1.65;
  max-width: 580px;
  margin: 0 auto 2.5rem auto;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.error-quick-links {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--tx-3);
}

.quick-links-title {
  display: block;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--primary-light);
  margin-bottom: 0.65rem;
}

.quick-links-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.quick-links-list a {
  color: var(--tx-2);
  transition: color var(--transition-fast);
}

.quick-links-list a:hover {
  color: var(--primary-light);
}

.error-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding: 1.75rem 0;
}

.footer-legal-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-legal-links a {
  color: var(--tx-3);
  transition: color var(--transition-fast);
}

.footer-legal-links a:hover {
  color: var(--tx);
}