/* ===================================================================
   NATTOVIE — Design System
   Direção minimalista, alto contraste: fundo branco, tipografia preta,
   cor usada só como acento pontual (botão, ícone, número, categoria).
   Nunca cor como bloco grande de fundo.
   =================================================================== */

:root {
  /* Base — alto contraste real, sem pastel ou tom terroso apagado */
  --color-bg: #FFFFFF;
  --color-surface: #FFFFFF;
  --color-text: #121212;
  --color-text-soft: #5B5B5B;
  --color-border: #E4E4E4;
  --color-black: #111111;

  /* Acentos vivos — um por vez, nunca os três competindo na mesma área */
  --color-coral: #E2542E;
  --color-coral-dark: #B8421F;
  --color-verde: #16A34A;
  --color-verde-dark: #0F7A38;
  --color-amarelo: #FFC61A;
  --color-amarelo-dark: #E0A800;

  /* WhatsApp usa a paleta da marca (coral), não o verde padrão do app.
     O verde oficial (#25D366) é reservado só pro glifo do ícone. */
  --color-whatsapp: var(--color-coral);
  --color-whatsapp-dark: var(--color-coral-dark);
  --color-whatsapp-icon: #25D366;

  /* Tipografia — serifada editorial para headline + sans limpa para corpo */
  --font-heading: 'Fraunces', Georgia, serif;
  --font-body: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Espaçamento */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5rem;

  --radius: 6px;
  --radius-sm: 3px;
  --header-height: 76px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

h1 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); font-weight: 900; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 700; }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }

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

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

section { padding: var(--space-xl) 0; }
.section-black {
  background: var(--color-black);
  color: rgba(255,255,255,0.92);
}
.section-black h1, .section-black h2, .section-black h3 { color: #fff; }
.section-black p { color: rgba(255,255,255,0.72); }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-coral);
  margin-bottom: var(--space-sm);
}
.section-black .eyebrow { color: var(--color-amarelo); }

.section-head { max-width: 640px; margin: 0 auto var(--space-lg); text-align: center; }
.section-head p { margin-top: var(--space-sm); font-size: 1.05rem; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary { background: var(--color-coral); color: #fff; }
.btn-primary:hover { background: var(--color-coral-dark); }

.btn-outline { background: transparent; border-color: var(--color-text); color: var(--color-text); }
.btn-outline:hover { background: var(--color-text); color: #fff; }

.section-black .btn-outline { border-color: #fff; color: #fff; }
.section-black .btn-outline:hover { background: #fff; color: var(--color-black); }

.btn-whatsapp { background: var(--color-whatsapp); color: #fff; }
.btn-whatsapp:hover { background: var(--color-whatsapp-dark); }

.wa-icon {
  display: inline-flex;
  color: var(--color-whatsapp-icon);
  flex-shrink: 0;
}
.wa-icon svg { width: 18px; height: 18px; display: block; }

.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-text);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.nav {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  font-weight: 600;
  font-size: 0.95rem;
}
.nav-links a {
  color: var(--color-text);
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--color-coral);
  border-color: var(--color-coral);
}

.header-actions { display: flex; align-items: center; gap: var(--space-sm); flex-shrink: 0; }
.header-actions .btn-whatsapp {
  padding: 0;
  width: 44px; height: 44px;
  border-radius: 50%;
  justify-content: center;
}
.header-actions .btn-whatsapp .wa-icon { margin: 0; }

.menu-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-text);
  background: var(--color-surface);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  content: '';
  display: block;
  width: 20px; height: 2px;
  background: var(--color-text);
  position: relative;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.menu-toggle span::before { position: absolute; top: -6px; }
.menu-toggle span::after { position: absolute; top: 6px; }

/* ---------- Hero ---------- */
.hero { padding: var(--space-xl) 0; }
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-lg);
  align-items: center;
}
.hero-copy p { font-size: 1.15rem; margin: var(--space-sm) 0 var(--space-md); max-width: 52ch; }
.text-accent { color: var(--color-coral); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }

.hero-visual {
  aspect-ratio: 4/3;
  border: 1px solid var(--color-text);
  border-radius: var(--radius);
  background: var(--color-bg);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-soft);
  font-family: var(--font-heading);
  text-align: center;
  padding: var(--space-md);
  overflow: hidden;
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  padding: 0;
}

.page-hero {
  padding: var(--space-lg) 0 var(--space-md);
  text-align: center;
}
.page-hero .section-head { margin-bottom: 0; }

/* ---------- Cards ---------- */
.grid {
  display: grid;
  gap: var(--space-md);
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-text);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  transition: border-color 0.15s ease;
}
.card .benefit-num {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--color-coral);
  margin-bottom: 0.1rem;
}
.card h3 { margin-bottom: 0.2rem; }
.card p { font-size: 0.95rem; }
.card .card-link { margin-top: auto; font-weight: 700; color: var(--color-coral); font-size: 0.9rem; }
a.card:hover { border-color: var(--color-coral); }

.quote-card p:first-child { font-style: italic; }
.quote-card .quote-author { font-weight: 700; margin-top: auto; padding-top: var(--space-xs); font-size: 0.9rem; color: var(--color-text); font-style: normal; }

/* Cores de destaque por tema — um acento por card, nunca os três juntos */
.card.accent-coral { border-top-color: var(--color-coral); }
.card.accent-coral .benefit-num { color: var(--color-coral); }
.card.accent-verde { border-top-color: var(--color-verde); }
.card.accent-verde .benefit-num { color: var(--color-verde); }
.card.accent-amarelo { border-top-color: var(--color-amarelo-dark); }
.card.accent-amarelo .benefit-num { color: var(--color-amarelo-dark); }

/* ---------- Benefícios (página dedicada) ---------- */
.benefit-block {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: var(--space-lg);
  align-items: start;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
}
.benefit-block:last-child { border-bottom: none; }
.benefit-block .benefit-num {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2.6rem;
  color: var(--color-coral);
  line-height: 1;
}
.benefit-block h2 { margin: var(--space-xs) 0 0; }
.benefit-block ul { margin-top: var(--space-sm); }
.benefit-block li {
  padding-left: 1.4rem;
  position: relative;
  margin-bottom: 0.5rem;
  color: var(--color-text-soft);
}
.benefit-block li::before {
  content: '✓';
  position: absolute; left: 0; top: 0;
  color: var(--color-coral);
  font-weight: 700;
}
.benefit-block.accent-verde .benefit-num { color: var(--color-verde); }
.benefit-block.accent-verde li::before { color: var(--color-verde); }

.check-list { margin-top: var(--space-sm); }
.check-list li {
  padding-left: 1.4rem;
  position: relative;
  margin-bottom: 0.6rem;
  color: var(--color-text-soft);
}
.check-list li::before {
  content: '✓';
  position: absolute; left: 0; top: 0;
  color: var(--color-verde);
  font-weight: 700;
}
.benefit-block.accent-amarelo .benefit-num { color: var(--color-amarelo-dark); }
.benefit-block.accent-amarelo li::before { color: var(--color-amarelo-dark); }

.warning-box {
  margin-top: var(--space-sm);
  font-size: 0.9rem;
  color: var(--color-text);
  background: #FFF5F2;
  border: 1px solid var(--color-coral);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
}

.benefit-hashtags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-top: var(--space-md);
  font-family: var(--font-body);
}
.benefit-hashtags span {
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--color-text);
  color: var(--color-text);
}
.benefit-hashtags span:nth-child(3n+1) { border-color: var(--color-coral); color: var(--color-coral); }
.benefit-hashtags span:nth-child(3n+2) { border-color: var(--color-verde); color: var(--color-verde); }
.benefit-hashtags span:nth-child(3n+3) { border-color: var(--color-amarelo-dark); color: var(--color-amarelo-dark); }

.source-link {
  color: var(--color-coral);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.source-link:hover { color: var(--color-coral-dark); }

.study-link {
  display: inline-block;
  margin-top: 0.3rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-coral);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.study-link:hover { color: var(--color-coral-dark); }

.source-note {
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: var(--color-text-soft);
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.7rem 1rem;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
}
.compare-table th, .compare-table td {
  padding: 0.9rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}
.compare-table th {
  border-bottom: 2px solid var(--color-text);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text);
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-table td:first-child { font-weight: 700; color: var(--color-text); }

.disclaimer {
  background: var(--color-bg);
  border-left: 3px solid var(--color-coral);
  padding: var(--space-md);
  font-size: 0.92rem;
}
.disclaimer strong { color: var(--color-text); }

/* ---------- Produtos ---------- */
.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.product-card .product-image {
  aspect-ratio: 4/3;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-soft);
  font-size: 0.85rem;
  text-align: center;
  padding: var(--space-sm);
}
.product-card .product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  padding: 0;
}
.product-card .product-body { padding: var(--space-md); display: flex; flex-direction: column; gap: 0.5rem; flex: 1; }
.product-card .tag-row { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 0.2rem; }
.tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid currentColor;
  color: var(--color-text-soft);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}
.tag-congelada { color: var(--color-coral); }
.tag-desidratada { color: var(--color-verde); }
.product-card .product-actions { margin-top: auto; padding-top: 0.5rem; }

.product-line-head { margin-bottom: var(--space-md); display: flex; align-items: baseline; gap: 0.6rem; }
.product-line-head h2 { margin: 0; }
.product-line-head .tag { font-size: 0.78rem; padding: 0.3rem 0.8rem; }

/* ---------- Sobre ---------- */
.about-hero {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-lg);
  align-items: center;
}
.about-photo {
  aspect-ratio: 3/4;
  border: 1px solid var(--color-text);
  border-radius: var(--radius);
  background: var(--color-bg);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-soft);
  text-align: center;
  padding: var(--space-md);
  font-family: var(--font-heading);
  overflow: hidden;
}
.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  padding: 0;
}

.values-grid { margin-top: var(--space-lg); }

/* ---------- Contato ---------- */
.contact-options { margin-top: var(--space-lg); }
.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-coral);
  border-radius: var(--radius-sm);
  padding: var(--space-lg);
  text-align: center;
}
.contact-card .benefit-num {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--color-coral);
  display: block;
  margin-bottom: var(--space-xs);
}
.contact-card.accent-verde { border-top-color: var(--color-verde); }
.contact-card.accent-verde .benefit-num { color: var(--color-verde); }

.partner-types { margin-top: var(--space-lg); }
.partner-types li {
  display: flex;
  gap: 0.6rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-soft);
}
.partner-types li:last-child { border-bottom: none; }

/* ---------- WhatsApp flutuante ---------- */
.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 200;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 24px rgba(0,0,0,0.22);
  transition: transform 0.15s ease;
  animation: wa-pulse 2.8s ease-out infinite;
}
.whatsapp-float svg { width: 28px; height: 28px; }
.whatsapp-float:hover { transform: scale(1.08); }

@keyframes wa-pulse {
  0% { box-shadow: 0 6px 24px rgba(0,0,0,0.22), 0 0 0 0 rgba(255, 90, 54, 0.45); }
  70% { box-shadow: 0 6px 24px rgba(0,0,0,0.22), 0 0 0 14px rgba(255, 90, 54, 0); }
  100% { box-shadow: 0 6px 24px rgba(0,0,0,0.22), 0 0 0 0 rgba(255, 90, 54, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .whatsapp-float { animation: none; }
}

/* ---------- CTA final ---------- */
.cta-banner {
  background: var(--color-black);
  color: #fff;
  border-radius: var(--radius);
  padding: var(--space-lg);
  text-align: center;
}
.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(255,255,255,0.75); max-width: 50ch; margin: var(--space-sm) auto var(--space-md); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-black);
  color: rgba(255,255,255,0.68);
  padding: var(--space-lg) 0 var(--space-md);
  margin-top: var(--space-xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.14);
}
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: var(--space-sm); }
.site-footer .brand { color: #fff; margin-bottom: var(--space-sm); }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
}

/* ---------- Responsivo ---------- */
@media (max-width: 900px) {
  .hero .container,
  .about-hero { grid-template-columns: 1fr; }
  .hero-visual, .about-photo { order: -1; max-width: 420px; margin: 0 auto; }
  .benefit-block { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav { display: none; }
  .menu-toggle { display: flex; }
  .nav.open {
    display: flex;
    position: absolute;
    top: var(--header-height);
    left: 0; right: 0;
    background: var(--color-bg);
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-text);
  }
  .nav.open .nav-links {
    flex-direction: column;
    gap: var(--space-sm);
    width: 100%;
  }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .site-header .container { padding: 0 var(--space-sm); }
}