/* ==========================================
   1. VARIÁVEIS CSS (DESIGN TOKENS)
   ========================================== */

:root {
  /* PALETA DE CORES */
  --color-primary: #A67C52;           /* Marrom Terroso - Títulos e destaques */
  --color-secondary: #F5EFE7;         /* Bege Acolhedor - Background principal */
  --color-accent: #4CAF50;            /* Verde Validado - CTAs */
  --color-accent-hover: #45A049;      /* Verde escuro - Hover nos CTAs */
  --color-accent-light: #E8F5E9;      /* Verde claro - Backgrounds sutis */
  --color-neutral-light: #FDFBF7;     /* Off-White - Cards e containers */
  --color-neutral-dark: #3E3E3E;      /* Cinza Profundo - Textos */
  --color-white: #FFFFFF;             /* Branco puro */
  --color-grey-light: #F0EAE2;        /* Cinza muito claro - Bordas */
  --color-grey-medium: #999999;       /* Cinza médio - Textos secundários */
  --color-grey-dark: #666666;         /* Cinza escuro - Parágrafos */
  --color-text-subtle: #888888;       /* Texto sutil - Footer */
  --color-price-old: #D32F2F;         /* Vermelho para preço riscado */
  
  /* TIPOGRAFIA */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  
  /* TAMANHOS DE FONTE - DESKTOP */
  --font-size-h1: 56px;
  --font-size-h2: 40px;
  --font-size-h3: 32px;
  --font-size-h4: 24px;
  --font-size-body: 18px;
  --font-size-small: 16px;
  --font-size-tiny: 14px;
  --font-size-cta: 20px;
  
  /* PESOS DE FONTE */
  --font-weight-regular: 400;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* ESPAÇAMENTOS */
  --spacing-section: 120px;
  --spacing-large: 80px;
  --spacing-medium: 60px;
  --spacing-small: 40px;
  --spacing-xsmall: 20px;
  
  /* LAYOUT */
  --container-max-width: 1200px;
  --container-padding: 40px;
  --border-radius-small: 8px;
  --border-radius-medium: 12px;
  --border-radius-large: 16px;
  --border-radius-pill: 50px;
  
  /* SOMBRAS */
  --shadow-small: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-medium: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-large: 0 16px 40px rgba(0, 0, 0, 0.12);
  --shadow-cta: 0 4px 12px rgba(76, 175, 80, 0.3);
  
  /* TRANSIÇÕES */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.6s ease;
}

/* ==========================================
   2. RESET E BASE
   ========================================== */

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

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

body {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: 1.7;
  color: var(--color-neutral-dark);
  background-color: var(--color-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul {
  list-style: none;
}

/* ==========================================
   3. TIPOGRAFIA GLOBAL
   ========================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  line-height: 1.3;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xsmall);
}

h1 {
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-bold);
}

h2 {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-semibold);
}

h3 {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
}

h4 {
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-semibold);
}

p {
  margin-bottom: 16px;
  line-height: 1.8;
  color: var(--color-grey-dark);
}

strong {
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-dark);
}

em {
  font-style: italic;
  color: var(--color-grey-medium);
}

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

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

section {
  padding: var(--spacing-section) 0;
  position: relative;
}

.section__title {
  text-align: center;
  margin-bottom: var(--spacing-medium);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================
   5. COMPONENTES REUTILIZÁVEIS
   ========================================== */

/* ----- BOTÕES ----- */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--font-size-cta);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  text-align: center;
  padding: 20px 48px;
  border: none;
  border-radius: var(--border-radius-small);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-cta);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 20px rgba(76, 175, 80, 0.4);
}

.btn--large {
  padding: 24px 56px;
  font-size: 20px;
}

.btn--xlarge {
  padding: 28px 64px;
  font-size: 22px;
  width: 100%;
  max-width: 600px;
  display: block;
  margin: 0 auto;
}

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

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

/* ----- BADGES ----- */

.badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--font-size-tiny);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: var(--border-radius-pill);
  margin: 0 8px 8px 0;
}

.badge--green {
  background-color: var(--color-accent-light);
  color: #2E7D32;
  border: 2px solid var(--color-accent);
}

.badge--protocol {
  background: linear-gradient(135deg, var(--color-accent) 0%, #66BB6A 100%);
  color: var(--color-white);
  padding: 12px 28px;
  font-size: 16px;
  box-shadow: var(--shadow-cta);
  animation: pulse-subtle 2s ease-in-out infinite;
}

@keyframes pulse-subtle {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ----- CARDS ----- */

.card {
  background-color: var(--color-neutral-light);
  border: 1px solid var(--color-grey-light);
  border-radius: var(--border-radius-medium);
  padding: 32px;
  box-shadow: var(--shadow-small);
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-4px);
}

/* ==========================================
   6. SEÇÕES ESPECÍFICAS
   ========================================== */

/* ----- HERO SECTION ----- */

.hero {
  background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-neutral-light) 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background-color: #FAF6F0;
  border-radius: 50%;
  opacity: 0.5;
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero__image {
  margin: 0 auto 40px;
  max-width: 400px;
}

.hero__image img {
  border-radius: var(--border-radius-medium);
  box-shadow: var(--shadow-large);
  margin: 0 auto;
}

.hero__title {
  font-size: var(--font-size-h1);
  line-height: 1.2;
  margin-bottom: 24px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.hero__subtitle {
  font-size: 20px;
  font-weight: var(--font-weight-regular);
  color: var(--color-neutral-dark);
  margin-bottom: 32px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero__price {
  font-size: 28px;
  font-weight: var(--font-weight-bold);
  margin-bottom: 24px;
}

.hero__price-old {
  text-decoration: line-through;
  color: var(--color-grey-medium);
  font-size: 22px;
  margin-right: 12px;
}

.hero__price-current {
  color: var(--color-primary);
  font-size: 36px;
}

.hero__badges {
  margin-bottom: 32px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.hero__benefits {
  margin-top: 24px;
  font-size: var(--font-size-small);
  color: var(--color-grey-dark);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.hero__benefits li {
  margin-bottom: 8px;
}

/* ----- PROBLEM SECTION ----- */

.problem {
  background-color: var(--color-secondary);
}

.problem__cards {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-bottom: 60px;
}

.problem__card {
  background-color: var(--color-neutral-light);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--border-radius-small);
  padding: 32px;
  box-shadow: var(--shadow-small);
  transition: all var(--transition-normal);
}

.problem__card:hover {
  box-shadow: var(--shadow-medium);
  transform: translateX(8px);
}

.problem__card-icon {
  margin-bottom: 16px;
}

.problem__card-icon svg {
  display: inline-block;
}

.problem__card-title {
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-dark);
  margin-bottom: 16px;
}

.problem__card-text {
  font-size: var(--font-size-small);
  line-height: 1.8;
  color: var(--color-grey-dark);
  margin-bottom: 12px;
}

.problem__transition {
  text-align: center;
  margin-top: 60px;
}

.problem__transition-text {
  font-size: 20px;
  color: var(--color-grey-dark);
  margin-bottom: 12px;
}

.problem__transition-subtitle {
  font-size: 22px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-dark);
  margin-bottom: 16px;
}

.problem__transition-highlight {
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
}

/* ----- SOLUTION SECTION ----- */

.solution {
  background-color: var(--color-neutral-light);
}

.solution__intro {
  max-width: 800px;
  margin: 0 auto 40px;
  text-align: center;
}

.solution__intro p {
  font-size: 18px;
  margin-bottom: 16px;
}

.solution__badge {
  text-align: center;
  margin: 40px 0;
}

.solution__subtitle {
  font-family: var(--font-body);
  font-size: 28px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-dark);
  text-align: center;
  margin: 40px 0 24px;
}

.solution__text {
  max-width: 800px;
  margin: 0 auto 16px;
  text-align: center;
  font-size: 18px;
}

.solution__pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 60px;
}

.solution__pillar {
  text-align: center;
}

.solution__pillar-icon {
  margin-bottom: 24px;
  display: flex;
  justify-content: center;
}

.solution__pillar-title {
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.solution__pillar-text {
  font-size: var(--font-size-small);
  color: var(--color-grey-dark);
  margin-bottom: 12px;
}

.solution__author {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 80px;
  background-color: var(--color-secondary);
  padding: 40px;
  border-radius: var(--border-radius-medium);
}

.solution__author-image img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 4px solid var(--color-accent);
  box-shadow: var(--shadow-medium);
}

.solution__author-title {
  font-family: var(--font-body);
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-dark);
  margin-bottom: 16px;
}

.solution__author-text {
  font-size: var(--font-size-small);
  color: var(--color-grey-dark);
  margin-bottom: 12px;
}

/* ----- VALUE STACK SECTION ----- */

.value-stack {
  background-color: var(--color-secondary);
}

.value-stack__items {
  max-width: 900px;
  margin: 0 auto 60px;
}

.value-stack__item {
  display: flex;
  gap: 24px;
  background-color: var(--color-neutral-light);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--border-radius-small);
  padding: 24px 32px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-small);
  transition: all var(--transition-normal);
}

.value-stack__item:hover {
  background-color: var(--color-secondary);
  border-left-width: 6px;
  box-shadow: var(--shadow-medium);
}

.value-stack__icon {
  font-size: 28px;
  flex-shrink: 0;
}

.value-stack__title {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-dark);
  margin-bottom: 12px;
}

.value-stack__text {
  font-size: var(--font-size-small);
  color: var(--color-grey-dark);
  margin-bottom: 8px;
}

.value-stack__list {
  margin-left: 20px;
  margin-bottom: 12px;
}

.value-stack__list li {
  font-size: var(--font-size-small);
  color: var(--color-grey-dark);
  margin-bottom: 6px;
  position: relative;
  padding-left: 8px;
}

.value-stack__list li::before {
  content: '→';
  position: absolute;
  left: -12px;
  color: var(--color-accent);
}

.value-stack__value {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-bold);
  font-style: italic;
  color: var(--color-primary);
  text-align: right;
}

.value-stack__calculation {
  max-width: 800px;
  margin: 60px auto 40px;
  text-align: center;
}

.value-stack__calculation-title {
  font-family: var(--font-body);
  font-size: 28px;
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-dark);
  margin-bottom: 20px;
}

.value-stack__calculation-text {
  font-size: 18px;
  color: var(--color-grey-dark);
  margin-bottom: 32px;
}

.value-stack__pricing {
  background-color: var(--color-accent-light);
  border: 2px dashed var(--color-accent);
  border-radius: var(--border-radius-medium);
  padding: 32px;
  margin-bottom: 32px;
}

.value-stack__pricing-item {
  font-size: 20px;
  color: var(--color-neutral-dark);
  margin-bottom: 12px;
}

.value-stack__pricing-highlight {
  font-size: 28px;
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  margin-top: 20px;
}

.value-stack__justification {
  max-width: 700px;
  margin: 0 auto 40px;
  text-align: center;
}

.value-stack__justification-title {
  font-family: var(--font-body);
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-dark);
  margin-bottom: 16px;
}

.value-stack__justification-text {
  font-size: 18px;
  color: var(--color-grey-dark);
  margin-bottom: 12px;
}

.value-stack__justification-highlight {
  font-size: 20px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-dark);
  margin-top: 20px;
}

.cta-benefits {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 20px;
  font-size: var(--font-size-tiny);
  color: var(--color-grey-dark);
}

/* ----- TESTIMONIALS SECTION ----- */

.testimonials {
  background-color: var(--color-neutral-light);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 60px;
}

.testimonial {
  background-color: var(--color-white);
  border: 1px solid var(--color-grey-light);
  border-radius: var(--border-radius-medium);
  padding: 32px;
  box-shadow: var(--shadow-medium);
  position: relative;
  transition: all var(--transition-normal);
}

.testimonial:hover {
  box-shadow: var(--shadow-large);
  transform: translateY(-4px) scale(1.02);
}

.testimonial__quote-icon {
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 64px;
  font-family: Georgia, serif;
  color: var(--color-primary);
  opacity: 0.15;
  line-height: 1;
}

.testimonial__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.testimonial__photo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid var(--color-accent);
  object-fit: cover;
}

.testimonial__name {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-dark);
  margin-bottom: 4px;
}

.testimonial__role {
  font-size: 14px;
  color: var(--color-primary);
  font-weight: var(--font-weight-regular);
}

.testimonial__text {
  font-size: var(--font-size-small);
  color: var(--color-grey-dark);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 12px;
}

.testimonial__highlight {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  margin-bottom: 12px;
}

/* ----- GUARANTEE SECTION ----- */

.guarantee {
  background-color: var(--color-secondary);
  text-align: center;
}

.guarantee__icon {
  margin: 0 auto 32px;
  display: flex;
  justify-content: center;
}

.guarantee__content {
  max-width: 800px;
  margin: 0 auto 40px;
}

.guarantee__text {
  font-size: 18px;
  color: var(--color-grey-dark);
  margin-bottom: 16px;
}

.guarantee__highlight {
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  margin: 24px 0;
}

.guarantee__risk-reversal {
  background-color: var(--color-accent-light);
  border: 2px solid var(--color-accent);
  border-radius: var(--border-radius-small);
  padding: 24px;
  max-width: 700px;
  margin: 40px auto;
}

.guarantee__risk-text {
  font-size: 22px;
  font-weight: var(--font-weight-bold);
  color: #2E7D32;
  margin-bottom: 12px;
}

/* ----- URGENCY SECTION ----- */

.urgency {
  background: linear-gradient(135deg, #FFF3E0 0%, var(--color-neutral-light) 100%);
  text-align: center;
}

.urgency__icon {
  font-size: 64px;
  margin-bottom: 24px;
}

.urgency__content {
  max-width: 800px;
  margin: 0 auto 40px;
}

.urgency__text {
  font-size: 18px;
  color: var(--color-grey-dark);
  margin-bottom: 16px;
}

.urgency__highlight {
  font-size: 22px;
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  margin: 24px 0;
}

.urgency__subtitle {
  font-family: var(--font-body);
  font-size: 24px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-dark);
  margin: 40px 0 20px;
}

.urgency__consequences {
  max-width: 700px;
  margin: 0 auto 40px;
  text-align: left;
}

.urgency__consequences li {
  font-size: 18px;
  color: var(--color-grey-dark);
  margin-bottom: 12px;
  padding-left: 8px;
}

.urgency__final-message {
  margin: 40px 0;
}

.urgency__final-message p {
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-dark);
  margin-bottom: 8px;
}

/* ----- FAQ SECTION ----- */

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

.faq__list {
  max-width: 900px;
  margin: 0 auto;
}

.faq__item {
  background-color: var(--color-white);
  border: 1px solid var(--color-grey-light);
  border-radius: var(--border-radius-small);
  padding: 20px 24px;
  margin-bottom: 12px;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.faq__item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-small);
}

.faq__question {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-dark);
  margin-bottom: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.faq__answer {
  padding-top: 16px;
  border-top: 1px solid var(--color-grey-light);
  margin-top: 16px;
}

.faq__answer p {
  font-size: var(--font-size-small);
  color: var(--color-grey-dark);
  margin-bottom: 12px;
}

/* ----- FINAL CTA SECTION ----- */

.final-cta {
  background: linear-gradient(135deg, var(--color-accent-light) 0%, #C8E6C9 100%);
  text-align: center;
  padding: 100px 0;
}

.final-cta__summary {
  max-width: 700px;
  margin: 0 auto 40px;
}

.final-cta__subtitle {
  font-family: var(--font-body);
  font-size: 22px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-dark);
  margin-bottom: 20px;
}

.final-cta__list {
  text-align: left;
  max-width: 600px;
  margin: 0 auto;
}

.final-cta__list li {
  font-size: 18px;
  color: var(--color-grey-dark);
  margin-bottom: 12px;
}

.final-cta__price {
  margin: 40px 0;
}

.final-cta__price-text {
  font-size: 20px;
  color: var(--color-neutral-dark);
}

.final-cta__price-old {
  text-decoration: line-through;
  color: var(--color-grey-medium);
  font-size: 24px;
}

.final-cta__price-current {
  font-size: 40px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-left: 12px;
}

.final-cta__guarantees {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 24px;
  font-size: var(--font-size-small);
  color: var(--color-grey-dark);
}

.final-cta__message {
  max-width: 700px;
  margin: 60px auto 0;
}

.final-cta__message p {
  font-size: 18px;
  color: var(--color-neutral-dark);
  margin-bottom: 12px;
}

.final-cta__message-highlight {
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  margin-top: 24px;
}

/* ----- FOOTER ----- */

.footer {
  background-color: var(--color-neutral-dark);
  color: #CCCCCC;
  padding: 60px 0 24px;
  text-align: center;
}

.footer__main {
  margin-bottom: 32px;
}

.footer__brand {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: 12px;
}

.footer__tagline {
  font-size: var(--font-size-small);
  line-height: 1.6;
}

.footer__tagline a {
  color: var(--color-accent);
  text-decoration: underline;
}

.footer__contact {
  margin-bottom: 32px;
}

.footer__contact p {
  font-size: var(--font-size-small);
  margin-bottom: 8px;
}

.footer__contact a {
  color: var(--color-accent);
}

.footer__legal {
  max-width: 800px;
  margin: 0 auto 32px;
}

.footer__disclaimer {
  font-size: var(--font-size-tiny);
  line-height: 1.6;
  color: #AAAAAA;
  margin-bottom: 16px;
}

.footer__cnpj {
  font-size: var(--font-size-tiny);
  color: #AAAAAA;
}

.footer__links {
  margin-bottom: 24px;
}

.footer__links a {
  font-size: var(--font-size-tiny);
  color: #CCCCCC;
  margin: 0 12px;
  transition: color var(--transition-fast);
}

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

.footer__copyright {
  border-top: 1px solid #555555;
  padding-top: 20px;
}

.footer__copyright p {
  font-size: 12px;
  color: var(--color-text-subtle);
}

/* ==========================================
   7. RESPONSIVIDADE (MEDIA QUERIES)
   ========================================== */

/* ----- TABLET (768px - 1024px) ----- */

@media (max-width: 1024px) {
  :root {
    --font-size-h1: 44px;
    --font-size-h2: 36px;
    --font-size-h3: 28px;
    --spacing-section: 80px;
    --container-padding: 32px;
  }
  
  .solution__pillars {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .solution__author {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .solution__author-image img {
    margin: 0 auto;
  }
  
  .testimonials__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ----- MOBILE (< 768px) ----- */

@media (max-width: 768px) {
  :root {
    --font-size-h1: 36px;
    --font-size-h2: 28px;
    --font-size-h3: 24px;
    --font-size-h4: 20px;
    --font-size-body: 16px;
    --font-size-small: 14px;
    --font-size-cta: 18px;
    --spacing-section: 60px;
    --spacing-large: 48px;
    --spacing-medium: 40px;
    --spacing-small: 24px;
    --container-padding: 20px;
  }
  
  /* Hero */
  .hero__image {
    max-width: 280px;
  }
  
  .hero__title {
    font-size: 32px;
  }
  
  .hero__subtitle {
    font-size: 16px;
  }
  
  .hero__price {
    font-size: 24px;
  }
  
  .hero__price-current {
    font-size: 32px;
  }
  
  .hero__badges {
    flex-direction: column;
    align-items: center;
  }
  
  .hero__benefits {
    font-size: 14px;
  }
  
  /* Botões */
  .btn {
    padding: 18px 32px;
    font-size: 16px;
    width: 100%;
  }
  
  .btn--large {
    padding: 20px 36px;
    font-size: 18px;
  }
  
  .btn--xlarge {
    padding: 22px 40px;
    font-size: 18px;
  }
  
  /* Problem */
  .problem__card {
    padding: 24px;
  }
  
  /* Solution */
  .solution__pillars {
    gap: 24px;
  }
  
  .solution__author {
    grid-template-columns: 1fr;
    padding: 24px;
    gap: 24px;
  }
  
  .solution__author-image img {
    width: 140px;
    height: 140px;
  }
  
  /* Value Stack */
  .value-stack__item {
    flex-direction: column;
    padding: 20px;
  }
  
  .value-stack__pricing {
    padding: 20px;
  }
  
  /* Testimonials */
  .testimonials__grid {
    grid-template-columns: 1fr;
  }
  
  .testimonial {
    padding: 24px;
  }
  
  .testimonial__photo {
    width: 60px;
    height: 60px;
  }
  
  /* CTA Benefits */
  .cta-benefits {
    flex-direction: column;
    gap: 8px;
  }
  
  .final-cta__guarantees {
    flex-direction: column;
    gap: 12px;
  }
  
  /* Urgency */
  .urgency__consequences {
    text-align: center;
  }
  
  /* FAQ */
  .faq__question {
    font-size: 16px;
  }
  
  /* Footer */
  .footer {
    padding: 40px 0 20px;
  }
}

/* ==========================================
   8. ANIMAÇÕES
   ========================================== */

/* Fade-in ao Scroll (pode ser implementado com JavaScript/Intersection Observer) */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  animation: fadeInUp 0.6s ease-out;
}

/* Hover nos Cards */
.card,
.problem__card,
.value-stack__item,
.testimonial {
  will-change: transform, box-shadow;
}

/* ==========================================
   9. UTILITÁRIOS
   ========================================== */

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

.text-bold {
  font-weight: var(--font-weight-bold);
}

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

.color-primary {
  color: var(--color-primary);
}

.mb-small {
  margin-bottom: var(--spacing-small);
}

.mb-medium {
  margin-bottom: var(--spacing-medium);
}

.mb-large {
  margin-bottom: var(--spacing-large);
}

/* Foto de Perfil */
.biolink-header__photo {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--spacing-medium);
  position: relative;
}

.biolink-header__photo img {
  width: 100%;
  height: 100%;
  border-radius: var(--border-radius-full);
  border: 4px solid var(--color-accent);
  box-shadow: var(--shadow-large);
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.biolink-header__photo img:hover {
  transform: scale(1.05);
}