/**
 * Introdução ao Xamanismo - Style Guide Implementation
 * Versão 2.0 - Paleta Ancestral (Terracota/Pergaminho)
 *
 * Estrutura:
 * 1. CSS Variables
 * 2. Reset & Base
 * 3. Typography
 * 4. Layout
 * 5. Components
 * 6. Sections
 * 7. Utilities
 * 8. Animations
 * 9. Responsive
 * 10. Accessibility
 */

/* ==========================================================================
   1. CSS VARIABLES
   ========================================================================== */

:root {
  /* Cores Primárias (Ação) */
  --color-primary: #8C5E35;
  --color-primary-light: #A67B5B;
  --color-primary-dark: #6B4829;

  /* Cores de Acento (Urgência) */
  --color-accent: #D4763B;
  --color-accent-light: #E8863F;
  --color-accent-danger: #A04030;

  /* Cores de Fundo (Tema Escuro) */
  --color-bg: #1F1D1B;
  --color-bg-elevated: #2A2622;
  --color-bg-card: #252220;
  --color-bg-accent: #F2EFE9;

  /* Cores de Texto (Tema Escuro) */
  --color-text: #F2EFE9;
  --color-text-body: #D4CFC5;
  --color-text-muted: #A09B91;
  --color-text-subtle: #6B6660;

  /* Tipografia */
  --font-heading: 'Yrsa', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Escala Tipográfica (Major Third - 1.25) */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.563rem;
  --text-3xl: 1.953rem;
  --text-4xl: 2.441rem;
  --text-5xl: 3.052rem;

  /* Pesos */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Line Heights */
  --leading-tight: 1.2;
  --leading-snug: 1.4;
  --leading-normal: 1.6;
  --leading-relaxed: 1.8;

  /* Espaçamento */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --max-width-content: 1120px;
  --max-width-text: 680px;
  --max-width-narrow: 520px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Sombras (tema escuro - usando preto) */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25),
               0 2px 4px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3),
               0 4px 6px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.4),
               0 10px 10px rgba(0, 0, 0, 0.2);
  --shadow-glow-primary: 0 10px 30px rgba(140, 94, 53, 0.4);
  --shadow-glow-accent: 0 10px 30px rgba(212, 118, 59, 0.45);

  /* Transições */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-slower: 500ms ease;
}

/* ==========================================================================
   2. RESET & BASE
   ========================================================================== */

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  color: var(--color-text-body);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

a:hover {
  color: var(--color-primary);
}

ul,
ol {
  list-style: none;
}

/* ==========================================================================
   3. TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-text);
}

p {
  color: var(--color-text-body);
}

h1 {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-5xl));
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

p {
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

.text-lead {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
}

.text-small {
  font-size: var(--text-sm);
}

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

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

.text-accent {
  color: var(--color-accent);
}

/* Texto destacado */
.highlight-text {
  color: var(--color-primary-light);
}

/* ==========================================================================
   4. LAYOUT
   ========================================================================== */

.container {
  width: min(100%, var(--max-width-content));
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--space-8);
  }
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.container--text {
  max-width: var(--max-width-text);
}

section {
  padding-block: var(--space-16);
}

@media (min-width: 768px) {
  section {
    padding-block: var(--space-20);
  }
}

/* Grid helpers */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Flex helpers */
.flex {
  display: flex;
}

.flex-center {
  align-items: center;
  justify-content: center;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

/* ==========================================================================
   5. COMPONENTS
   ========================================================================== */

/* --------------------------------------------------------------------------
   5.1 Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  cursor: pointer;
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              background var(--transition-base);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Primary Button */
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: var(--color-bg-accent);
  box-shadow: var(--shadow-glow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.2), 0 0 20px rgba(166, 123, 91, 0.4);
  color: var(--color-bg-accent);
}

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

/* Outline Button */
.btn-outline {
  background: transparent;
  color: var(--color-primary-light);
  border: 2px solid var(--color-primary-light);
  padding: calc(var(--space-4) - 2px) calc(var(--space-8) - 2px);
}

.btn-outline:hover {
  background: var(--color-primary-light);
  color: var(--color-bg);
}

/* Urgent Button (Âmbar) */
.btn-urgent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: #fff;
  box-shadow: var(--shadow-glow-accent);
}

.btn-urgent:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.3), 0 0 20px rgba(232, 134, 63, 0.4);
  color: #fff;
}

/* Large Button */
.btn-lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
}

/* --------------------------------------------------------------------------
   5.2 Cards
   -------------------------------------------------------------------------- */

.card {
  background: var(--color-bg-card);
  border: 1px solid rgba(242, 239, 233, 0.06);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(242, 239, 233, 0.12);
}

.card-static:hover {
  transform: none;
}

/* Highlight card (oferta) */
.card-highlight {
  background: linear-gradient(135deg,
    rgba(140, 94, 53, 0.12),
    rgba(140, 94, 53, 0.04));
  border: 1px solid rgba(140, 94, 53, 0.25);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

/* --------------------------------------------------------------------------
   5.3 Badges
   -------------------------------------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background: rgba(140, 94, 53, 0.15);
  color: var(--color-primary);
}

.badge-accent {
  background: var(--color-accent);
  color: #fff;
}

.badge-savings {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: #fff;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
}

/* --------------------------------------------------------------------------
   5.4 Testimonials
   -------------------------------------------------------------------------- */

.testimonial {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid rgba(242, 239, 233, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6) var(--space-6);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  text-align: left;
}

/* Large decorative quote */
.testimonial-quote {
  position: absolute;
  top: var(--space-4);
  left: var(--space-6);
  font-family: var(--font-heading);
  font-size: clamp(4rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 0.6;
  color: var(--color-primary-light);
  opacity: 0.4;
  pointer-events: none;
  user-select: none;
}

.testimonial blockquote {
  position: relative;
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
  margin: 0;
  padding-top: var(--space-6);
  flex-grow: 1;
}

/* Star rating */
.testimonial-rating {
  display: flex;
  gap: var(--space-1);
  margin-top: var(--space-4);
  margin-bottom: var(--space-4);
}

.testimonial-rating .star {
  width: 1.125rem;
  height: 1.125rem;
  background: var(--color-accent);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

/* Author footer with avatar */
.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(242, 239, 233, 0.08);
  margin-top: auto;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-primary-light);
  flex-shrink: 0;
}

.testimonial-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.testimonial-info cite {
  font-style: normal;
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  color: var(--color-text);
}

.testimonial-info span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   5.5 FAQ Accordion
   -------------------------------------------------------------------------- */

.faq-item {
  background: var(--color-bg-card);
  border: 1px solid rgba(242, 239, 233, 0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-base);
}

.faq-item + .faq-item {
  margin-top: var(--space-4);
}

.faq-item summary {
  padding: var(--space-4) var(--space-6);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.faq-item summary:hover {
  background: rgba(242, 239, 233, 0.05);
}

.faq-item summary::marker,
.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '';
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  border-right: 2px solid var(--color-text-muted);
  border-bottom: 2px solid var(--color-text-muted);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

/* Expanded state */
.faq-item[open] {
  border-color: var(--color-accent);
}

.faq-item[open] summary {
  color: var(--color-accent);
  border-bottom: 1px solid rgba(212, 118, 59, 0.2);
}

.faq-item[open] summary::after {
  border-color: var(--color-accent);
  transform: rotate(-135deg) translate(-2px, -2px);
}

.faq-item .faq-content {
  padding: var(--space-4) var(--space-6);
  color: var(--color-text-body);
  line-height: var(--leading-relaxed);
}

/* FAQ Support CTA */
.faq-support {
  text-align: center;
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(242, 239, 233, 0.08);
}

.faq-support p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: transparent;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  letter-spacing: 0;
  text-decoration: none;
  transition: all var(--transition-base);
}

.btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

.btn-outline svg {
  width: 18px;
  height: 18px;
}

/* --------------------------------------------------------------------------
   5.6 Price Display
   -------------------------------------------------------------------------- */

.price-original {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.price-current {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
}

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

/* Price breakdown list */
.price-breakdown {
  background: var(--color-bg-elevated);
  border: 1px solid rgba(242, 239, 233, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.price-breakdown-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.price-breakdown-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.price-breakdown-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(242, 239, 233, 0.08);
}

.price-breakdown-list li:last-child {
  border-bottom: none;
}

.price-breakdown-list .item-name {
  color: var(--color-text-body);
}

.price-breakdown-list .item-price {
  color: var(--color-text-muted);
}

.price-breakdown-list .strikethrough {
  text-decoration: line-through;
}

.price-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-4);
  margin-top: var(--space-4);
  border-top: 2px solid rgba(242, 239, 233, 0.12);
  font-weight: var(--font-semibold);
}

.price-offer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-4);
}

.offer-value {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   5.7 Check List
   -------------------------------------------------------------------------- */

.check-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: var(--color-text-muted);
  min-width: 0;
  word-break: break-word;
}

.check-list li::before {
  content: '';
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  background: var(--color-primary-light);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E") center/contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E") center/contain no-repeat;
}

/* --------------------------------------------------------------------------
   5.8 Floating CTA
   -------------------------------------------------------------------------- */

.floating-cta {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 50;
  padding: var(--space-4) var(--space-6);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: #fff;
  border-radius: var(--radius-full);
  font-weight: var(--font-semibold);
  box-shadow: var(--shadow-glow-accent);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base);
}

.floating-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.3), 0 0 20px rgba(232, 134, 63, 0.4);
  color: #fff;
}

@media (max-width: 640px) {
  .floating-cta {
    left: var(--space-4);
    right: var(--space-4);
    bottom: var(--space-4);
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   5.9 Scroll Progress
   -------------------------------------------------------------------------- */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  z-index: 100;
  transition: width 50ms linear;
}

/* ==========================================================================
   6. SECTIONS
   ========================================================================== */

/* --------------------------------------------------------------------------
   6.1 Hero (Sticky Parallax Layout)
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  display: block;
  background-color: var(--color-bg-darker);
}

/* Background image - sticky parallax effect */
.hero-image {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  margin-bottom: -100vh;
  margin-bottom: -100dvh;
  z-index: 1;
}

.hero-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(31, 29, 27, 0.3) 0%,
    rgba(31, 29, 27, 0.5) 50%,
    rgba(31, 29, 27, 0.85) 85%,
    var(--color-bg) 100%
  );
  pointer-events: none;
}

.hero-image picture {
  display: block;
  width: 100%;
  height: 100%;
}

.hero-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 45%;
}

/* Sales content - scrolls over the sticky image */
.hero-content {
  position: relative;
  z-index: 10;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  padding: var(--space-12) var(--space-8);
  padding-top: 30vh;
  padding-bottom: var(--space-12);
}


/* Sales content wrapper */
.hero-sales {
  width: 100%;
}

/* Tag/Label - "CURSO ONLINE" */
.hero-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-primary-light);
  margin-bottom: var(--space-4);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-primary-light);
  border-radius: var(--radius-sm);
}

/* Main title */
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-text-inverse);
  margin: 0;
}

.hero-title-main {
  display: block;
  font-family: 'Lexend Deca', var(--font-body);
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin-top: -0.05em;
  margin-bottom: var(--space-3);
}

/* Subtitle - persuasive copy */
.hero-subtitle {
  font-size: var(--text-2xl);
  font-weight: var(--font-normal);
  line-height: var(--leading-relaxed);
  color: var(--color-text-body);
  margin-bottom: var(--space-8);
  max-width: 520px;
}

/* Price block */
.hero-offer {
  margin-bottom: var(--space-6);
}

.hero-price-new {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: var(--font-bold);
  color: var(--color-accent);
}

.hero-discount {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
}

/* CTA button */
.hero-cta {
  width: 100%;
  max-width: 360px;
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}

/* Trust signal (above price, sets context before sticker shock) */
.hero-trust {
  font-size: var(--text-sm);
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-4);
  background: rgba(212, 118, 59, 0.12);
  border: 1px solid rgba(212, 118, 59, 0.35);
  border-radius: var(--radius-full);
}

.hero-trust::before {
  content: '\2605';
  color: var(--color-accent);
}

/* Desktop: Clean text over image */
@media (min-width: 901px) {
  .hero-sales {
    max-width: 560px;
    margin-left: var(--space-8);
  }

  .hero-title,
  .hero-subtitle,
  .hero-price-new,
  .hero-trust {
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  }
}

/* Mobile adjustments */
@media (max-width: 900px) {
  .hero-content {
    padding: var(--space-6);
    padding-top: 32vh;
    padding-bottom: var(--space-10);
  }

  .hero-sales {
    max-width: 100%;
    background: rgba(31, 29, 27, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  }

  .hero-cta {
    max-width: 100%;
  }
}

/* Extra small screens */
@media (max-width: 480px) {
  .hero-content {
    padding: var(--space-4);
    padding-top: 50vh;
    padding-bottom: var(--space-8);
  }

  .hero-title {
    font-size: clamp(1.75rem, 6vw, 2rem);
  }

  .hero-title-main {
    font-size: clamp(3rem, 12vw, 5rem);
  }

  .hero-subtitle {
    font-size: var(--text-base);
  }
}

/* --------------------------------------------------------------------------
   6.2 Social Proof
   -------------------------------------------------------------------------- */

.social-proof {
  position: relative;
  z-index: 20;
  background: var(--color-bg-elevated);
  text-align: center;
}

.social-proof h2 {
  max-width: var(--max-width-text);
  margin-inline: auto;
  margin-bottom: var(--space-10);
}

.testimonials-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* --------------------------------------------------------------------------
   6.3 Transformação (Pilares)
   -------------------------------------------------------------------------- */

.transformacao {
  background: var(--color-bg);
}

.pillars {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: var(--space-10);
}

.pillar {
  text-align: center;
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pillar-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-5);
  color: var(--color-primary-light);
  flex-shrink: 0;
}

.pillar h3 {
  margin-bottom: var(--space-4);
  font-size: var(--text-lg);
}

/* Pillar list with subtle markers */
.pillar-list {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
  width: 100%;
}

.pillar-list li {
  position: relative;
  padding-left: var(--space-6);
  margin-bottom: var(--space-2);
  color: var(--color-text-body);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

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

/* Subtle check marker */
.pillar-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 12px;
  height: 6px;
  border-left: 2px solid var(--color-primary-light);
  border-bottom: 2px solid var(--color-primary-light);
  transform: rotate(-45deg);
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   6.4 Programa (Módulos)
   -------------------------------------------------------------------------- */

.programa {
  background: var(--color-bg-elevated);
}

/* Section header with subtitle */
.section-header {
  text-align: center;
  max-width: var(--max-width-text);
  margin-inline: auto;
  margin-bottom: var(--space-10);
}

.section-header h2 {
  margin-bottom: var(--space-3);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.modules {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    max-width: 760px;
    margin: 0 auto;
}

.module-accordion {
    background-color: var(--color-bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: background-color 0.3s ease;
}

.module-accordion[open] {
    background-color: var(--color-bg-elevated);
}

.module-accordion summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    list-style: none; /* Remove a seta padrão */
}

.module-accordion summary::-webkit-details-marker {
    display: none; /* Remove a seta padrão no Chrome/Safari */
}

.summary-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    min-width: 0;
}

.module-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    color: var(--color-primary-light);
}

.module-accordion h3 {
    margin: 0;
    font-size: 1.125rem;
    color: var(--color-text);
    font-family: 'Lexend Deca', sans-serif;
    flex: 1;
    min-width: 0;
}

.summary-arrow {
    width: 12px;
    height: 12px;
    border-left: 2px solid var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    transform: rotate(-45deg);
    transition: transform 0.3s ease;
}

.module-accordion[open] .summary-arrow {
    transform: rotate(135deg);
}

.module-divider {
    border: none;
    height: 1px;
    background-color: var(--glass-border);
    margin: 1rem 0;
}

.module-accordion ul {
    list-style-type: disc;
    padding-left: 1.5rem;
    margin: 0;
}

.module-accordion li {
    margin-bottom: 0.5rem;
    padding-left: 0.5rem;
    color: var(--color-text-body);
    line-height: 1.6;
}

@media (min-width: 1024px) {
    .module-accordion {
        padding: 1.75rem 2rem;
    }
}

.module-bonus {
    border-color: var(--color-primary);
}

.module-bonus-badge {
    font-family: 'Lexend Deca', sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-bg);
    background-color: var(--color-primary);
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
    margin-left: 0.5rem;
    white-space: nowrap;
}

/* --------------------------------------------------------------------------
   6.5 Instrutor
   -------------------------------------------------------------------------- */

.instrutor {
  background: var(--color-bg);
}

.instrutor-grid {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 768px) {
  .instrutor-grid {
    grid-template-columns: 1fr 1.5fr;
  }
}

/* Photo with terracotta glow */
.instrutor-photo {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  padding: 3px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  box-shadow:
    0 0 60px rgba(140, 94, 53, 0.4),
    0 0 30px rgba(212, 118, 59, 0.3);
}

.instrutor-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius-lg) - 3px);
  filter: sepia(10%) saturate(90%);
}

.instrutor-content h2 {
  margin-bottom: var(--space-2);
}

/* Name subtitle */
.instrutor-name {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.instrutor-name span {
  color: var(--color-primary-light);
  margin-inline: var(--space-2);
}

/* Authority highlight */
.instrutor-authority {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  background: rgba(140, 94, 53, 0.1);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.authority-years {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: var(--font-bold);
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.authority-text {
  font-size: var(--text-base);
  color: var(--color-text-body);
}

.instrutor-content p {
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.instrutor-highlights {
  margin-top: var(--space-6);
}

/* Signature */
.instrutor-signature {
  font-family: 'Dancing Script', cursive;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-6);
  margin-bottom: 0;
  opacity: 0.9;
}

/* --------------------------------------------------------------------------
   6.6 Oferta
   -------------------------------------------------------------------------- */

.oferta {
  background: var(--color-bg-elevated);
  overflow-x: hidden;
}

.oferta-grid {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 900px) {
  .oferta-grid {
    grid-template-columns: 1fr 1.2fr;
    align-items: start;
  }
}

/* Offer Visual (Left Column) */
.oferta-visual {
  display: none;
}

@media (min-width: 900px) {
  .oferta-visual {
    display: block;
    position: sticky;
    top: var(--space-8);
  }

  .oferta-visual img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    object-fit: cover;
  }
}

/* Offer Content (Right Column) */
.oferta-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  min-width: 0;
}

.oferta-content h2 {
  text-align: left;
  margin: 0;
  font-size: var(--text-2xl);
  line-height: 1.3;
}

@media (min-width: 600px) {
  .oferta-content h2 {
    font-size: var(--text-3xl);
  }
}

/* Bonus Highlight Block */
.bonus-highlight {
  padding: var(--space-4);
  background: rgba(212, 118, 59, 0.1);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
}

.bonus-highlight-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-weight: var(--font-bold);
  color: var(--color-accent);
  font-size: var(--text-base);
}

.bonus-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.bonus-highlight-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.bonus-highlight-list li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-body);
}

.bonus-highlight-list li::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  background: var(--color-accent);
  border-radius: 50%;
  position: relative;
}

.bonus-highlight-list li::after {
  content: "";
  position: absolute;
  width: 6px;
  height: 3px;
  border-left: 2px solid var(--color-bg);
  border-bottom: 2px solid var(--color-bg);
  transform: rotate(-45deg);
  margin-left: -13px;
  margin-top: 1px;
}

/* Offer Subtitle */
.oferta-subtitle {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin: 0;
}

/* Offer List */
.oferta-list {
  margin: 0;
}

/* Price Card */
.price-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: rgba(212, 118, 59, 0.05);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  text-align: center;
}

.price-label {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin: 0;
}

.price-current {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  color: var(--color-text);
}

.price-currency {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-top: var(--space-2);
}

.price-amount {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: var(--font-bold);
  line-height: 1;
}

@media (min-width: 600px) {
  .price-amount {
    font-size: 5rem;
  }
}

.price-cents {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-top: var(--space-2);
}

.price-meta {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.btn-full {
  width: 100%;
}

/* Guarantee Badge */
.guarantee-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.guarantee-icon {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   6.7 FAQ
   -------------------------------------------------------------------------- */

.faq {
  background: var(--color-bg);
}

.faq h2 {
  margin-bottom: var(--space-10);
}

.faq-list {
  max-width: var(--max-width-text);
  margin-inline: auto;
}

/* --------------------------------------------------------------------------
   6.8 Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--color-bg);
}

/* Footer CTA */
.footer-cta {
  text-align: center;
  padding-block: var(--space-16);
  border-bottom: 1px solid rgba(242, 239, 233, 0.08);
}

.footer-cta h2 {
  margin-bottom: var(--space-4);
}

.footer-cta > .container > p {
  max-width: var(--max-width-narrow);
  margin-inline: auto;
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.footer-guarantee {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer-guarantee svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary-light);
}

/* Footer Main (3 columns) */
.footer-main {
  padding-block: var(--space-12);
}

.footer-grid {
  display: grid;
  gap: var(--space-8);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    text-align: left;
    align-items: start;
  }
}

/* Footer Brand */
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-email {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-email:hover {
  color: var(--color-accent);
}

/* Footer Links */
.footer-links h3,
.footer-social h3 {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

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

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

/* Footer Social */
.social-icons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
}

@media (min-width: 768px) {
  .social-icons {
    justify-content: flex-start;
  }
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(212, 118, 59, 0.1);
  color: var(--color-accent);
  transition: all var(--transition-fast);
}

.social-icons a:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

.social-icons svg {
  width: 20px;
  height: 20px;
}

/* Footer Copyright */
.footer-copyright {
  padding-block: var(--space-6);
  border-top: 1px solid rgba(242, 239, 233, 0.08);
  text-align: center;
}

.footer-copyright p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}


/* --- Payment Methods --- */
.payment-methods {
    text-align: center;
    margin-top: 1.5rem;
    border-top: 1px solid rgba(242, 239, 233, 0.1);
    padding-top: 1.5rem;
}

.payment-methods p {
    font-size: 0.875rem;
    color: var(--color-text-body);
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.payment-icons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.payment-icon {
    width: 48px;
    height: auto;
    /* Efeito de caixa removido */
}

/* ==========================================================================
   7. UTILITIES
   ========================================================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

/* ==========================================================================
   8. ANIMATIONS
   ========================================================================== */

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* ==========================================================================
   9. RESPONSIVE
   ========================================================================== */

@media (min-width: 1024px) {
  html {
    font-size: 112.5%; /* 18px base */
  }
}

@media (max-width: 640px) {
  section {
    padding-block: var(--space-12);
  }
}

/* ==========================================================================
   10. ACCESSIBILITY
   ========================================================================== */

/* Skip to content */
.skip-to-content {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary);
  color: var(--color-bg-accent);
  border-radius: var(--radius-sm);
  z-index: 200;
  transition: top var(--transition-fast);
}

.skip-to-content:focus {
  top: var(--space-4);
  color: var(--color-bg-accent);
}

/* Focus styles */
*:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

/* Reduced motion */
@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;
  }

  .pulse {
    animation: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-text-muted: var(--color-text);
    --color-text-subtle: var(--color-text);
  }

  .card,
  .testimonial,
  .faq-item,
  .module {
    border: 2px solid currentColor;
  }
}

/* ==========================================================================
   10. TOP NAV (Jump links)
   ========================================================================== */

.top-nav {
  position: fixed;
  top: 3px;
  left: 0;
  right: 0;
  z-index: 90;
  background: rgba(31, 29, 27, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(242, 239, 233, 0.04);
  transition: background var(--transition-base),
              padding var(--transition-base),
              border-color var(--transition-base);
}

.top-nav.is-condensed {
  background: rgba(31, 29, 27, 0.92);
  border-bottom-color: rgba(242, 239, 233, 0.08);
}

.top-nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.top-nav-brand {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.top-nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--space-2);
}

.top-nav-links a {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-body);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.top-nav-links a:hover,
.top-nav-links a:focus-visible {
  color: var(--color-text);
  background: rgba(242, 239, 233, 0.08);
}

.top-nav-cta {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.top-nav-cta:hover,
.top-nav-cta:focus-visible {
  background: var(--color-accent-light);
  transform: translateY(-1px);
}

@media (max-width: 900px) {
  .top-nav-cta {
    display: none;
  }
}

@media (max-width: 640px) {
  .top-nav-brand {
    display: none;
  }
  .top-nav-inner {
    justify-content: center;
    padding: var(--space-2) var(--space-3);
  }
  .top-nav-links {
    gap: 0;
  }
  .top-nav-links a {
    padding: var(--space-2);
    font-size: var(--text-xs);
  }
}

/* ==========================================================================
   11. STICKY MOBILE CTA
   ========================================================================== */

.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: rgba(20, 18, 16, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(212, 118, 59, 0.25);
  transform: translateY(110%);
  transition: transform var(--transition-base);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.4);
}

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

.sticky-cta-info {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.sticky-cta-price {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-accent);
}

.sticky-cta-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.sticky-cta-btn {
  flex: 0 0 auto;
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  white-space: nowrap;
}

@media (max-width: 900px) {
  .sticky-cta {
    display: flex;
  }
  body {
    padding-bottom: 72px;
  }
}

/* ==========================================================================
   12. WHATSAPP FLOATING BUTTON
   ========================================================================== */

.whatsapp-float {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: 85;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35),
              0 2px 6px rgba(0, 0, 0, 0.25);
  text-decoration: none;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.45),
              0 2px 6px rgba(0, 0, 0, 0.3);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

/* Lift WhatsApp above sticky CTA on mobile */
@media (max-width: 900px) {
  .whatsapp-float {
    bottom: 80px;
    right: var(--space-4);
    width: 48px;
    height: 48px;
  }
  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }
}

/* ==========================================================================
   13. INSTRUTOR BIO ACCORDION
   ========================================================================== */

.instrutor-bio {
  margin-top: var(--space-5);
  border-top: 1px solid rgba(242, 239, 233, 0.08);
  padding-top: var(--space-4);
}

.instrutor-bio > summary {
  list-style: none;
  cursor: pointer;
  color: var(--color-accent);
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
}

.instrutor-bio > summary::-webkit-details-marker {
  display: none;
}

.instrutor-bio > summary::after {
  content: '+';
  font-size: var(--text-xl);
  line-height: 1;
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}

.instrutor-bio[open] > summary::after {
  content: '−';
}

.instrutor-bio-content {
  padding-top: var(--space-3);
}

.instrutor-bio-content p {
  margin-bottom: var(--space-3);
}

/* ==========================================================================
   14. FOOTER PAYMENT (icons under final CTA)
   ========================================================================== */

.footer-payment {
  margin-top: var(--space-5);
  text-align: center;
}

.footer-payment p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.footer-payment .payment-icons {
  justify-content: center;
}

/* ==========================================================================
   15. OFFSET ANCHOR SCROLL FOR FIXED NAV
   ========================================================================== */

html {
  scroll-padding-top: 72px;
}

@media (max-width: 640px) {
  html {
    scroll-padding-top: 60px;
  }
}