/* 1. VARIÁVEIS CSS (DESIGN TOKENS) */
:root {
  /* Cores */
  --primary-color: #1a3a52;          
  --secondary-color: #00a86b;        
  --accent-color: #ff6b35;            
  --neutral-white: #ffffff;           
  --neutral-light: #f8f9fa;          
  --neutral-gray: #666666;            
  --neutral-dark: #333333;            
  --neutral-border: #e0e0e0;          
  
  /* Gradientes */
  --gradient-hero: linear-gradient(135deg, #1a3a52 0%, #2c5a7b 50%, #00a86b 100%);
  --gradient-value-stack: linear-gradient(180deg, #1a3a52 0%, #f8f9fa 80%);
  --gradient-footer: linear-gradient(135deg, #1a3a52 0%, #00a86b 100%);
  
  /* Tipografia */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Inter', sans-serif;
  
  /* Tamanhos de fonte */
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  --font-size-2xl: 32px;
  --font-size-3xl: 40px;
  --font-size-4xl: 48px;
  
  /* Espaçamentos (rem-based) */
  --spacing-xs: 0.5rem;  /* 8px */
  --spacing-sm: 1rem;    /* 16px */
  --spacing-md: 1.5rem;  /* 24px */
  --spacing-lg: 2rem;    /* 32px */
  --spacing-xl: 3rem;    /* 48px */
  --spacing-2xl: 4rem;   /* 64px */
  --spacing-3xl: 5rem;   /* 80px */
  
  /* Layout */
  --container-max: 1200px;
  --header-height: 70px;
  --banner-height: 45px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  /* Sombras */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.2);
  
  /* Transições */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease-out;
}

/* 2. RESET E ESTILOS GLOBAIS */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--neutral-gray);
  background-color: var(--neutral-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.2;
  color: var(--neutral-dark);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-xl); }

p {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-base);
}

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

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

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

/* 3. CONTAINER E LAYOUT GLOBAL */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

section {
  padding: var(--spacing-3xl) 0;
}

/* 4. COMPONENTES REUTILIZÁVEIS */

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: var(--font-size-base);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--secondary-color);
  color: var(--neutral-white);
  box-shadow: var(--shadow-md);
}

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

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

.btn--sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn--lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}

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

/* Cards */
.card {
  background: var(--neutral-white);
  border: 1px solid var(--neutral-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

/* Badges */
.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--secondary-color);
  color: var(--neutral-white);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.badge--accent {
  background: var(--accent-color);
  color: var(--neutral-white);
}

/* Trust Badges */
.trust-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(255, 255, 255, 0.2);
  color: var(--neutral-white);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

/* 5. HEADER FIXO - VERSÃO RESPONSIVA COM MENU HAMBURGER */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--neutral-white); /* Mantém variável existente */
  border-bottom: 1px solid var(--neutral-border); /* Mantém variável existente */
  z-index: 1000;
  height: var(--header-height); /* Mantém variável existente */
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-sm); /* Mantém variável existente */
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 0 var(--spacing-lg); /* Mantém variável existente */
  max-width: var(--container-max); /* Mantém variável existente */
  margin: 0 auto;
}

/* ========== LOGO ========== */

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
  flex-shrink: 0;
}

/* Logo Icon (Imagem PNG) */
.logo-icon {
  height: 60px;
  width: auto;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.logo-text {
  display: block; /* ✅ SEMPRE VISÍVEL */
  font-family: var(--font-secondary);
  margin: 0; /* Remove margin padrão */
}

/* ========== RESPONSIVIDADE ========== */

/* DESKTOP (> 1024px) */
@media (min-width: 1024px) {
  .header__logo {
    gap: var(--spacing-sm);
    flex-direction: row; /* Ícone + texto na mesma linha */
    justify-content: flex-start;
  }

  .logo-icon {
    height: 40px;
  }

  .logo-text {
    font-size: var(--font-size-xl);
    white-space: nowrap; /* Texto em uma linha */
  }
}

/* TABLET (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .header__logo {
    gap: var(--spacing-sm);
    flex-direction: row; /* Ícone + texto na mesma linha */
    justify-content: flex-start;
  }

  .logo-icon {
    height: 36px;
  }

  .logo-text {
    font-size: var(--font-size-lg);
    white-space: nowrap; /* Texto em uma linha */
  }
}

/* MOBILE (480px - 767px) */
@media (min-width: 480px) and (max-width: 767px) {
  .header__logo {
    gap: var(--spacing-xs);
    flex-direction: row; /* ✅ Ícone + texto na mesma linha */
    justify-content: flex-start;
  }

  .logo-icon {
    height: 32px;
  }

  .logo-text {
    font-size: var(--font-size-base);
    white-space: nowrap; /* Texto em uma linha */
  }
}

/* MOBILE EXTRA PEQUENO (< 480px) ⭐ CRÍTICO */
@media (max-width: 479px) {
  .header__logo {
    gap: var(--spacing-xs);
    flex-direction: column !important; /* ✅ FORÇA COLUNA VERTICAL */
    align-items: center; /* ✅ CENTRALIZA HORIZONTALMENTE */
    justify-content: center; /* ✅ CENTRALIZA VERTICALMENTE */
  }

  .logo-icon {
    height: 28px;
    margin-bottom: var(--spacing-xs); /* Espaço abaixo da imagem */
  }

  .logo-text {
    font-size: 0.65rem; /* Texto bem pequeno mas VISÍVEL */
    white-space: normal; /* ✅ PERMITE QUEBRA DE LINHA */
    text-align: center; /* ✅ CENTRALIZA O TEXTO */
    line-height: 1.2; /* Reduz altura de linha */
    margin: 0; /* Remove margin */
  }

  .btn--primary {
    padding: 6px 8px;
    font-size: 11px;
  }

  .menu-toggle {
    width: 32px;
    height: 32px;
    margin-left: var(--spacing-xs);
    padding: 2px;
  }

  .menu-icon {
    width: 20px;
    height: 20px;
  }
}

/* ========== NAVEGAÇÃO DESKTOP (oculta em mobile) ========== */

.header__nav {
  display: flex;
  gap: var(--spacing-xl); /* Mantém variável existente */
  align-items: center;
  flex-grow: 1;
  justify-content: center;
}

.header__nav a {
  color: var(--neutral-gray); /* Mantém variável existente */
  font-weight: 500;
  font-size: var(--font-size-sm); /* Mantém variável existente */
  transition: var(--transition-fast); /* Mantém variável existente */
  text-decoration: none;
}

.header__nav a:hover {
  color: var(--primary-color); /* Mantém variável existente */
}

/* ========== BOTÃO CTA PRIMÁRIO ========== */

.btn--primary {
  background: var(--secondary-color); /* Mantém variável existente */
  color: var(--neutral-white); /* Mantém variável existente */
  border: none;
  padding: var(--spacing-xs) var(--spacing-md); /* Mantém variáveis existentes */
  font-size: var(--font-size-sm); /* Mantém variável existente */
  font-weight: 600;
  border-radius: var(--radius-md); /* Mantém variável existente */
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  white-space: nowrap;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.btn--primary:hover {
  background: var(--primary-color); /* Mantém variável existente */
  color: var(--neutral-white); /* Mantém variável existente */
  transform: translateY(-2px);
  box-shadow: var(--shadow-md); /* Mantém variável existente */
}

.btn--primary:active {
  transform: translateY(0);
  color: var(--neutral-white); /* Mantém variável existente */
}

.btn--primary:focus {
  outline: 2px solid var(--secondary-color); /* Mantém variável existente */
  outline-offset: 2px;
  color: var(--neutral-white); /* Mantém variável existente */
}

/* ========== MENU HAMBURGER (visível apenas em mobile) ========== */

.menu-toggle {
  display: none; /* Oculta em desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs); /* Mantém variável existente */
  width: 40px;
  height: 40px;
  margin-left: var(--spacing-md); /* Mantém variável existente */
  flex-shrink: 0;
  transition: opacity 0.2s ease;
  align-items: center;
  justify-content: center;
}

.menu-toggle:hover {
  opacity: 0.7;
}

.menu-toggle:focus {
  outline: 2px solid var(--primary-color); /* Mantém variável existente */
  outline-offset: 2px;
}

.menu-icon {
  width: 24px;
  height: 24px;
  color: var(--neutral-dark); /* Mantém variável existente */
  stroke: var(--neutral-dark); /* Mantém variável existente */
  stroke-width: 2;
}

/* ========== NAVEGAÇÃO MOBILE (colapsável) ========== */

.header__nav--mobile {
  display: none; /* Oculta por padrão */
  position: absolute;
  top: var(--header-height); /* Mantém variável existente */
  left: 0;
  right: 0;
  background: var(--neutral-white); /* Mantém variável existente */
  border-top: 1px solid var(--neutral-border); /* Mantém variável existente */
  border-bottom: 1px solid var(--neutral-border); /* Mantém variável existente */
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  z-index: 999;
  flex-direction: column;
}

/* Quando o menu está aberto, expande com animação suave */
.header__nav--mobile.is-open {
  display: flex;
  max-height: 400px; /* Ajuste conforme necessário */
}

.header__nav--mobile a {
  display: block;
  padding: var(--spacing-md) var(--spacing-lg); /* Mantém variáveis existentes */
  border-bottom: 1px solid var(--neutral-border); /* Mantém variável existente */
  color: var(--neutral-gray); /* Mantém variável existente */
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-base); /* Mantém variável existente */
  transition: background 0.2s ease, color 0.2s ease;
}

.header__nav--mobile a:hover {
  background: rgba(196, 20, 35, 0.05); /* Cor primária com transparência */
  color: var(--primary-color); /* Mantém variável existente */
}

.header__nav--mobile a:last-child {
  border-bottom: none;
}

/* CTA no menu mobile */
.header__nav--mobile .btn--primary {
  width: calc(100% - var(--spacing-lg) * 2); /* 100% - padding horizontal */
  margin: var(--spacing-md) var(--spacing-lg); /* Mantém variáveis existentes */
  text-align: center;
}

/* ========== RESPONSIVIDADE ========== */

/* DESKTOP (> 1024px) */
@media (min-width: 1024px) {
  /* Navegação desktop sempre visível */
  .header__nav {
    display: flex;
  }
  
  /* Hamburger sempre oculto */
  .menu-toggle {
    display: none;
  }
  
  /* Menu mobile sempre oculto */
  .header__nav--mobile {
    display: none !important;
  }
}

/* TABLET/MOBILE (< 1024px) */
@media (max-width: 1023px) {
  /* Oculta navegação desktop */
  .header__nav {
    display: none;
  }
  
  /* Mostra hamburger */
  .menu-toggle {
    display: flex;
  }
  
  /* Ajusta padding do container */
  .header__inner {
    padding: 0 var(--spacing-md); /* Reduz padding em tablets */
  }
  
  /* Reduz tamanho do logo */
  .logo-icon {
    font-size: 1.25rem;
  }
  
  .logo-text {
    font-size: var(--font-size-lg); /* Reduz tamanho do texto */
  }
  
  /* Reduz tamanho do botão */
  .btn--primary {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 13px;
  }
}

/* MOBILE (< 768px) */
@media (max-width: 767px) {
  /* Ajusta padding mínimo */
  .header__inner {
    padding: 0 var(--spacing-sm); /* Padding mínimo em mobile */
    gap: var(--spacing-sm); /* Reduz gap entre elementos */
  }
  
  /* Logo ainda menor */
  .logo-icon {
    font-size: 1.125rem;
  }
  
  .logo-text {
    font-size: var(--font-size-base); /* Tamanho base do texto */
  }
  
  /* Botão ainda menor */
  .btn--primary {
    padding: 6px 10px;
    font-size: 12px;
  }
  
  /* Menu hamburger reduzido */
  .menu-toggle {
    width: 36px;
    height: 36px;
    margin-left: var(--spacing-sm);
    padding: 4px;
  }
  
  /* Links do menu mobile */
  .header__nav--mobile a {
    padding: var(--spacing-sm) var(--spacing-md); /* Reduz padding */
    font-size: var(--font-size-sm); /* Tamanho menor */
  }
  
  /* CTA no menu mobile */
  .header__nav--mobile .btn--primary {
    width: calc(100% - var(--spacing-md) * 2);
    margin: var(--spacing-sm) var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 12px;
  }
}

/* MOBILE EXTRA PEQUENO (< 480px) */
@media (max-width: 479px) {
  /* Padding mínimo absoluto */
  .header__inner {
    padding: 0 var(--spacing-xs); /* Padding mínimo */
  }
  
  /* Logo minimalista */
  .logo-icon {
    font-size: 1rem;
  }
  
  .logo-text {
    display: none; /* Oculta texto em telas muito pequenas */
  }
  
  /* Botão minimalista */
  .btn--primary {
    padding: 6px 8px;
    font-size: 11px;
  }
  
  /* Menu hamburger minimalista */
  .menu-toggle {
    width: 32px;
    height: 32px;
    margin-left: var(--spacing-xs);
    padding: 2px;
  }
  
  .menu-icon {
    width: 20px;
    height: 20px;
  }
}

/* 6. BREAKING NEWS BANNER */
.breaking-news {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: linear-gradient(90deg, var(--secondary-color), #00d084);
  color: var(--neutral-white);
  padding: var(--spacing-sm) var(--spacing-lg);
  z-index: 999;
  height: var(--banner-height);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.breaking-news__content {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  white-space: nowrap;
  animation: marquee 20s linear infinite;
}

.breaking-news__icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.breaking-news__text {
  font-weight: 700;
  flex-shrink: 0;
}

.breaking-news__message {
  flex-shrink: 0;
}

@keyframes marquee {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

/* 7. HERO SECTION */

.hero {
  margin-top: calc(var(--header-height) + var(--banner-height));
  background: var(--gradient-hero);
  color: var(--neutral-white);
  padding: var(--spacing-3xl) 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero .container {
  width: 100%;
}

.hero__wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

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

.hero__layers {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  align-items: center;
  width: 100%;
  max-width: 350px;
}

.hero__layer {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: transparent;
  background: var(--neutral-light);
}

/* Layer 1: Quadrada */
.layer-1 {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: transparent;
}

.layer-1 img {
  position: absolute;
  inset: 0;  /* top: 0, right: 0, bottom: 0, left: 0 */
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

/* Layer 2: Retangular */
.layer-2 {
  aspect-ratio: 2 / 1;
  overflow: hidden;
}

.layer-2 img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

/* Layer 3: Card com conteúdo */
.layer-3 {
  background: var(--neutral-white);
  color: var(--neutral-dark);
  padding: var(--spacing-lg);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.layer-3__title {
  color: var(--primary-color);
  font-size: var(--font-size-lg);
  margin: 0;
}

.layer-3__list {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: left;
  font-size: var(--font-size-sm);
}

.layer-3__list li {
  padding: var(--spacing-xs) 0;
  color: var(--neutral-gray);
}

.layer-3__cta {
  font-size: var(--font-size-sm);
  color: var(--neutral-gray);
  font-style: italic;
  margin: var(--spacing-md) 0 0 0;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero__right {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.hero__title {
  font-size: var(--font-size-4xl);
  line-height: 1.2;
  margin: 0;
  color: var(--neutral-white);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  line-height: 1.6;
  margin: 0;
  color: rgba(255, 255, 255, 0.95);
}

.hero__trust-badges {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
}

.trust-badge {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.2);
  color: var(--neutral-white);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-align: left;
  backdrop-filter: blur(10px);
}

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) {
  .hero__wrapper {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .hero {
    min-height: auto;
    padding: var(--spacing-2xl) 0;
  }

  .hero__title {
    font-size: var(--font-size-2xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-base);
  }

  .hero__trust-badges {
    grid-template-columns: 1fr;
  }
}

/* Mobile (< 768px) */
@media (max-width: 767px) {
  .hero__wrapper {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .hero {
    min-height: auto;
    padding: var(--spacing-lg) 0;
    margin-top: calc(var(--header-height) + var(--banner-height));
  }

  .hero__title {
    font-size: var(--font-size-xl);
  }

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

  .hero__trust-badges {
    grid-template-columns: 1fr;
  }

  .hero__layers {
    max-width: 100%;
  }

  .layer-3 {
    padding: var(--spacing-md);
  }

  .layer-3__title {
    font-size: var(--font-size-base);
  }

  .layer-3__list li {
    font-size: var(--font-size-xs);
  }
}

/* 8. PROBLEM SECTION */
.problem {
  background: var(--neutral-light);
}

.problem h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--primary-color);
}

.problem__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.card h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.consequence {
  font-style: italic;
  color: var(--neutral-gray);
  margin-top: var(--spacing-md);
}

/* 9. SOLUTION SECTION */
.solution {
  background: var(--gradient-hero);
  color: var(--neutral-white);
}

.solution h2 {
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--neutral-white);
}

.solution__subtitle {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.95);
}

.solution__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.solution__grid .card {
  background: rgba(255, 255, 255, 0.95);
  color: var(--neutral-dark);
}

.solution__grid .card h3 {
  color: var(--primary-color);
}

.solution__cta {
  text-align: center;
}

/* 10. INGREDIENTS SECTION */
.ingredients {
  background: var(--neutral-light);
}

.ingredients h2 {
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
}

.ingredients__subtitle {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.ingredients__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

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

.ingredient-card h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.ingredient-card .badge {
  margin-bottom: var(--spacing-md);
}

/* ========== 11. VALUE STACK SECTION ========== */

.value-stack {
  background: linear-gradient(180deg, var(--primary-color) 0%, var(--neutral-light) 80%);
  padding: var(--spacing-3xl) 0;
}

.value-stack .container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  box-sizing: border-box;
}

.value-stack h2 {
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: #ffffff;
  font-size: var(--font-size-3xl);
  font-weight: 700;
}

.value-stack__subtitle {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  font-size: var(--font-size-lg);
  color: #ffffff;
  opacity: 0.95;
}

.value-stack__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  width: 100%;
  overflow: visible;
  box-sizing: border-box;
}

.value-stack__card {
  background: var(--neutral-white);
  border: 2px solid var(--primary-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  min-height: auto;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.value-stack__card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

/* Badge - POSICIONAMENTO AJUSTADO */
.value-stack__badge {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: var(--accent-color);
  color: var(--neutral-dark);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--font-size-sm);
  z-index: 10;
  white-space: nowrap;
  box-sizing: border-box;
}

/* Imagem do pacote */
.value-stack__image {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;  /* ✅ Quadrado proporcional */
  overflow: hidden;
  background: transparent;
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-md);
}

.value-stack__img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;  /* ✅ Contém a imagem */
  object-position: center;  /* ✅ Centraliza */
  display: block;
}

/* Título do pacote */
.value-stack__card h3 {
  color: var(--primary-color);
  font-size: var(--font-size-lg);
  margin: 0;
  font-weight: 700;
}

/* Preço por unidade */
.value-stack__pricing {
  margin: var(--spacing-md) 0;
}

.price-per-unit {
  font-size: var(--font-size-sm);
  color: var(--neutral-gray);
  display: block;
}

.price-per-unit strong {
  color: var(--primary-color);
  font-weight: 700;
  font-size: var(--font-size-lg);
}

/* Lista de benefícios */
.value-stack__benefits {
  list-style: none;
  margin: var(--spacing-md) 0;
  padding: 0;
  text-align: left;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.value-stack__benefits li {
  padding: var(--spacing-xs) 0;
  font-size: var(--font-size-sm);
  color: var(--neutral-gray);
}

.value-stack__benefits li:before {
  content: "✓ ";
  color: var(--secondary-color);
  font-weight: 600;
  margin-right: var(--spacing-xs);
}

/* Caixa de total - CORRIGIDA PARA MOBILE */
.value-stack__total {
  background: var(--neutral-light);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin: var(--spacing-md) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  flex-shrink: 0;
  box-sizing: border-box;
}

.value-stack__total span:first-child {
  font-size: var(--font-size-sm);
  color: var(--neutral-gray);
  font-weight: 500;
}

.total-price {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
}

/* Botão CTA */
.value-stack__card .btn {
  margin-top: auto;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
  box-sizing: border-box;
}

/* ========== RESPONSIVIDADE ========== */

/* Mobile (< 768px) */
@media (max-width: 767px) {
  .value-stack {
    padding: var(--spacing-2xl) 0;
  }

  .value-stack .container {
    padding: 0 var(--spacing-md);
  }

  .value-stack__grid {
    grid-template-columns: 1fr; /* ✅ 1 coluna única */
    gap: var(--spacing-md);
    width: 100%;
    overflow: visible;
  }

  .value-stack__card {
    padding: var(--spacing-md);
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
  }

  .value-stack__badge {
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    top: var(--spacing-sm);
    right: var(--spacing-sm);
  }

  .value-stack__image {
    margin-top: var(--spacing-sm);
  }

  .value-stack__card h3 {
    font-size: var(--font-size-base);
  }

  .price-per-unit {
    font-size: var(--font-size-xs);
  }

  .price-per-unit strong {
    font-size: var(--font-size-base);
  }

  .value-stack__benefits li {
    font-size: var(--font-size-xs);
  }

  .total-price {
    font-size: var(--font-size-base);
  }

  .value-stack__total {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
  }

  .value-stack__card .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }
}

/* Tablet (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .value-stack__grid {
    grid-template-columns: repeat(2, 1fr); /* ✅ 2 colunas */
    gap: var(--spacing-md);
  }

  .value-stack__card {
    min-height: auto;
    padding: var(--spacing-md);
  }

  .value-stack__image {
    
  }

  .value-stack__card h3 {
    font-size: var(--font-size-base);
  }

  .total-price {
    font-size: var(--font-size-lg);
  }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  .value-stack__grid {
    grid-template-columns: repeat(3, 1fr); /* ✅ 3 colunas */
  }

  .value-stack__card {
    min-height: auto;
    padding: var(--spacing-lg);
  }

  .value-stack__image {
    
  }

  .value-stack__card h3 {
    font-size: var(--font-size-lg);
  }

  .total-price {
    font-size: var(--font-size-xl);
  }
}

/* 12. GUARANTEE SECTION */
.guarantee {
  background: linear-gradient(135deg, var(--secondary-color), #00d084);
  color: var(--neutral-white);
  padding: var(--spacing-3xl) 0;
}

.guarantee h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--neutral-white);
}

.guarantee__testimonial {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  font-size: var(--font-size-lg);
  line-height: 1.8;
}

.guarantee__items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.guarantee__item {
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
}

.guarantee__item h3 {
  color: var(--neutral-white);
  margin-bottom: var(--spacing-md);
}

.guarantee__item p {
  color: rgba(255, 255, 255, 0.95);
  font-size: var(--font-size-sm);
}

.guarantee__how-it-works {
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
}

.guarantee__how-it-works h3 {
  color: var(--neutral-white);
  margin-bottom: var(--spacing-md);
}

.guarantee__how-it-works p {
  color: rgba(255, 255, 255, 0.95);
  font-size: var(--font-size-sm);
  line-height: 1.8;
}

/* 13. FOOTER */

.footer {
  width: 100%;
  background: var(--primary-color);
  color: var(--neutral-white);
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.footer__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-xl);
}

.footer__logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  height: 100px;
  width: auto;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.footer__icon {
  font-size: 2rem;
}

.footer__brand {
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: center;
}

.footer__links a {
  color: var(--neutral-white);
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
}

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

.footer__disclaimer {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  max-width: 900px;
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--spacing-md);
}

/* 14. SCROLL TO TOP BUTTON */
.scroll-to-top {
  position: fixed;
  bottom: -100px;
  right: var(--spacing-lg);
  width: 50px;
  height: 50px;
  background: var(--secondary-color);
  color: var(--neutral-white);
  border: none;
  border-radius: 50%;
  font-size: var(--font-size-xl);
  cursor: pointer;
  z-index: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
}

.scroll-to-top.show {
  bottom: var(--spacing-lg);
}

.scroll-to-top:hover {
  background: var(--primary-color);
  transform: translateY(-4px);
}

/* 15. ANIMAÇÕES */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
}

.fade-in.visible {
  animation: fadeIn 0.6s ease-out forwards;
}

/* 16. RESPONSIVIDADE MOBILE-FIRST */

/* Tablet (768px - 1023px) */
@media (min-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr 1fr;
  }
  
  .header__nav {
    gap: var(--spacing-lg);
  }
  
  .problem__grid,
  .solution__grid,
  .ingredients__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .value-stack__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
  
  .problem__grid,
  .solution__grid,
  .ingredients__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .value-stack__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .guarantee__items {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile (< 768px) */
@media (max-width: 767px) {
  :root {
    --font-size-3xl: 32px;
    --font-size-4xl: 36px;
    --spacing-3xl: 3rem;
  }
  
  .hero {
    min-height: auto;
    padding: var(--spacing-2xl) 0;
  }
  
  .hero__title {
    font-size: var(--font-size-2xl);
  }
  
  .hero__subtitle {
    font-size: var(--font-size-base);
  }
  
  .hero__trust-badges {
    grid-template-columns: 1fr;
  }
  
  .header__nav {
    display: none;
  }
  
  .btn--lg {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
  }
  
  section {
    padding: var(--spacing-2xl) 0;
  }
  
  .value-stack__card.most-popular {
    transform: scale(1);
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}