/* ==========================================================================
   Siriguela Tecnologia; — Folha de Estilos Oficial
   Design Tokens baseados no Brandbook Oficial (Tons Terrosos, Elegância & Calor)
   ========================================================================== */

:root {
  /* Paleta de Superfícies */
  --bg-primary: #F8F5EF;       /* Warm Ivory */
  --bg-surface: #FFFFFF;       /* Branco Puro */
  --bg-card: #FAF7F2;          /* Marfim Acolhedor */
  --bg-accent: #F2ECE1;        /* Sand / Areia */
  --bg-dark: #241C16;          /* Espresso Noturno */

  /* Bordas e Divisores */
  --border-light: #EAE0D0;
  --border-color: #E5DED4;
  --border-medium: #D5C7B2;

  /* Tipografia & Contraste */
  --text-primary: #241C16;     /* Espresso Escuro */
  --text-heading: #2C221E;     /* Títulos Fortes */
  --text-secondary: #66594F;   /* Muted Bark */
  --text-muted: #7A6B63;       /* Apoio e Legendas */
  --text-inverted: #F8F5EF;

  /* Cores de Marca & Ação (Accent Restraint) */
  --brand-terracotta: #B86B4B;
  --brand-terracotta-dark: #964E31;
  --brand-terracotta-light: #F5E6DF;

  --brand-sage: #4F6B58;       /* Verde Oliva / Sálvia */
  --brand-sage-dark: #3E5646;
  --brand-sage-light: #E6ECE2;

  --brand-ochre: #D9913B;      /* Mostarda Fechado */

  /* Tipografia */
  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans: "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, Monaco, Consolas, monospace;

  /* Espaçamentos e Raios */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Sombras Terrosas */
  --shadow-sm: 0 1px 3px rgba(36, 28, 22, 0.05);
  --shadow-md: 0 4px 12px rgba(36, 28, 22, 0.06), 0 1px 2px rgba(36, 28, 22, 0.04);
  --shadow-lg: 0 12px 32px rgba(36, 28, 22, 0.08), 0 2px 6px rgba(36, 28, 22, 0.04);

  /* Transições */
  --transition: all 0.2s ease-in-out;
}

/* Reset Básico & Acessibilidade */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Links e Foco Acessível */
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--brand-terracotta);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Layout Utilitário */
.container {
  width: 100%;
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Topbar & Navegação */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(248, 245, 239, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5.5rem;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-img {
  height: 3.5rem;
  width: auto;
  max-height: 56px;
  display: block;
  transition: var(--transition);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding-bottom: 0.25rem;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--brand-terracotta);
  transition: var(--transition);
}

.nav-link:hover::after {
  width: 100%;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  background-color: var(--brand-terracotta);
  color: #FFFFFF;
  padding: 0.5rem 1.125rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.header-cta:hover {
  background-color: var(--brand-terracotta-dark);
  color: #FFFFFF;
}

/* Botões Globais */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--brand-terracotta);
  color: #FFFFFF;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--brand-terracotta-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: var(--bg-accent);
  border-color: var(--border-medium);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 4.5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 820px;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--brand-sage-light);
  color: var(--brand-sage-dark);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 4.5vw, 3.6rem);
  line-height: 1.18;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1.0625rem, 1.8vw, 1.25rem);
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 2.25rem;
}

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

.hero-endorsement {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.dot-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--brand-sage);
  display: inline-block;
}

/* ==========================================================================
   Sobre & Manifesto (Por Que Existimos)
   ========================================================================== */
.section-manifesto {
  padding: 5rem 0;
  background-color: var(--bg-accent);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  margin-bottom: 3rem;
  width: 100%;
}

.section-label {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-terracotta);
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.875rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.65;
  width: 100%;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

.value-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-medium);
}

.value-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-md);
  background-color: var(--bg-accent);
  color: var(--brand-terracotta);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.35rem;
}

.value-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 0.75rem;
}

.value-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Vitrine de Produtos (A Família Siriguela)
   ========================================================================== */
.section-products {
  padding: 5.5rem 0;
}

.product-spotlight {
  background-color: var(--bg-card);
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 900px) {
  .product-spotlight {
    grid-template-columns: 1.2fr 0.8fr;
    padding: 3.5rem;
  }
}

.product-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-sage);
  background-color: var(--brand-sage-light);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.product-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 1rem;
}

.product-description {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.75rem;
}

.feature-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 2rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
}

.product-aside-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.aside-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.quote-box {
  font-style: italic;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary);
  border-left: 3px solid var(--brand-terracotta);
  padding-left: 1rem;
}

/* ==========================================================================
   Contato Institucional
   ========================================================================== */
.section-contact {
  padding: 5rem 0;
  background-color: var(--bg-accent);
  border-top: 1px solid var(--border-color);
}

.contact-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-md);
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.contact-avatar {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background-color: var(--brand-sage-light);
  color: var(--brand-sage);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.contact-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 0.75rem;
}

.contact-text {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.email-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 1rem 1.75rem;
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  word-break: break-all;
}

.email-box:hover {
  border-color: var(--brand-terracotta);
  color: var(--brand-terracotta-dark);
}

.location-info {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Rodapé Institucional
   ========================================================================== */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--bg-accent);
  padding: 4rem 0 2.5rem;
  border-top: 1px solid rgba(229, 222, 212, 0.1);
}

.footer-top {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(229, 222, 212, 0.15);
}

@media (min-width: 768px) {
  .footer-top {
    flex-direction: row;
    align-items: flex-start;
  }
}

.footer-brand {
  max-width: 360px;
}

.footer-logo {
  height: 3rem;
  width: auto;
  max-height: 48px;
  margin-bottom: 1.25rem;
  display: block;
}

.footer-tagline {
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(248, 245, 239, 0.7);
}

.footer-links-group {
  display: flex;
  gap: 3rem;
}

.footer-col-title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-link {
  font-size: 0.875rem;
  color: rgba(248, 245, 239, 0.75);
}

.footer-link:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-bottom {
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8125rem;
  color: rgba(248, 245, 239, 0.55);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

/* ==========================================================================
   Botão Flutuante: Voltar ao Topo (Scroll to Top)
   ========================================================================== */
.scroll-to-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 1.5rem;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: var(--text-heading);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  padding: 0.65rem 1.05rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: opacity 0.3s ease, transform 0.3s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
}

.scroll-to-top-btn.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.scroll-to-top-btn:hover {
  background-color: var(--bg-card);
  border-color: var(--brand-terracotta);
  color: var(--brand-terracotta);
  box-shadow: 0 16px 36px rgba(36, 28, 22, 0.12);
}

.scroll-to-top-btn:active {
  transform: scale(0.96);
}

/* Menu Mobile Toggle */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 5.5rem;
    left: 0;
    width: 100%;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
    flex-direction: column;
    align-items: stretch;
    box-shadow: var(--shadow-lg);
  }

  .main-nav.is-open {
    display: flex;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .header-cta {
    justify-content: center;
    margin-top: 0.5rem;
  }
}

@media (max-width: 640px) {
  .header-inner {
    height: 4.75rem;
  }

  .logo-img {
    height: 2.75rem;
    max-height: 44px;
  }

  .main-nav {
    top: 4.75rem;
  }
}