/* ============================================================
   RUMO CERTO — Global Export Website
   Arquivo: style.css
   Descrição: Estilos completos, responsivos e comentados.
   Paleta: Verde folha (#2d6a4f, #52b788) + Marrom terra (#6b4226)
           + Contraste vibrante para CTAs (#f4a300)
   Para alterar cores: edite as variáveis CSS na seção :root abaixo
   ============================================================ */


/* ============================================================
   VARIÁVEIS DE DESIGN (Design Tokens)
   [EDITÁVEL] Altere aqui para mudar toda a paleta do site de uma vez
   ============================================================ */
:root {
  /* Cores principais */
  --green-dark:    #1b4332;   /* Verde escuro — backgrounds, headers */
  --green-main:    #2d6a4f;   /* Verde principal — navbar, seções */
  --green-mid:     #40916c;   /* Verde médio — hover, bordas */
  --green-light:   #52b788;   /* Verde claro — ícones, destaques */
  --green-pale:    #d8f3dc;   /* Verde pálido — backgrounds suaves */

  --brown-dark:    #3d1f0d;   /* Marrom escuro — texto sobre claro */
  --brown-main:    #6b4226;   /* Marrom terra — accents */
  --brown-light:   #c9a87c;   /* Marrom claro — bordas sutis */

  --gold:          #f4a300;   /* Dourado vibrante — botões CTA */
  --gold-hover:    #d48800;   /* Dourado escuro — hover do CTA */

  --white:         #ffffff;
  --off-white:     #f9faf7;
  --gray-light:    #e8ede9;
  --gray-mid:      #6b7280;
  --text-dark:     #1a1a1a;

  /* Tipografia */
  --font-body:     'Montserrat', sans-serif;
  --font-heading:  'Playfair Display', serif;

  /* Espaçamentos e bordas */
  --radius:        12px;
  --radius-sm:     6px;
  --shadow:        0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg:     0 8px 40px rgba(0,0,0,0.18);

  /* Transições */
  --transition:    all 0.3s ease;
}


/* ============================================================
   RESET E BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth; /* Rolagem suave ao clicar em links âncora */
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden; /* Evita scroll horizontal indesejado */
}

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

ul { list-style: none; }

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

/* Container centralizado — largura máxima do conteúdo */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Classe utilitária para seções */
.section {
  padding: 90px 0;
}

.section-light { background: var(--off-white); }
.section-dark  { background: var(--green-dark); color: var(--white); }


/* ============================================================
   TIPOGRAFIA — TÍTULOS E TEXTO
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.25;
}

h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }

/* Texto de destaque em verde claro */
.accent { color: var(--green-light); }

/* Indicador de campo obrigatório */
.required { color: #e74c3c; margin-left: 2px; }


/* ============================================================
   COMPONENTE: BOTÕES (CTAs)
   [EDITÁVEL] Para mudar a cor dos botões de ação, edite --gold
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  text-transform: uppercase;
}

/* Botão primário: dourado vibrante — principal CTA */
.btn-primary {
  background: var(--gold);
  color: var(--brown-dark);
  border-color: var(--gold);
}
.btn-primary:hover {
  background: var(--gold-hover);
  border-color: var(--gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(244,163,0,0.35);
}

/* Botão outline: borda branca — usado sobre fundos escuros */
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--green-dark);
}

/* Botão de largura total (formulário) */
.btn-full {
  width: 100%;
  justify-content: center;
  font-size: 1.05rem;
  padding: 16px;
}

/* Botão da navbar */
.btn-nav {
  background: var(--gold);
  color: var(--brown-dark) !important;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
}
.btn-nav:hover {
  background: var(--gold-hover);
  transform: translateY(-1px);
}


/* ============================================================
   COMPONENTE: CABEÇALHO DE SEÇÃO
   ============================================================ */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

/* Tag pequena acima dos títulos de seção */
.section-tag {
  display: inline-block;
  background: var(--green-pale);
  color: var(--green-main);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}
/* Variante para fundos escuros */
.section-tag.light,
.section-header.light .section-tag {
  background: rgba(255,255,255,0.15);
  color: var(--white);
}

.section-header h2 { margin-bottom: 16px; }

.section-desc {
  font-size: 1.05rem;
  color: var(--gray-mid);
  max-width: 650px;
  margin: 0 auto;
}
.section-dark .section-desc { color: rgba(255,255,255,0.75); }
.section-header.light h2  { color: var(--white); }


/* ============================================================
   NAVBAR (HEADER)
   ============================================================ */
#header {
  position: fixed;           /* Fixa no topo ao rolar a página */
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: var(--transition);
  padding: 18px 0;
}

/* Classe adicionada pelo JS quando a página é rolada */
#header.scrolled {
  background: var(--green-dark);
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
  padding: 12px 0;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  color: var(--white);
  font-family: var(--font-heading);
}
.logo-icon {
  color: var(--green-light);
  font-size: 1.8rem;
}
.logo-text strong { color: var(--gold); }

/* Links do menu */
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.nav-links a:not(.btn-nav):hover { color: var(--green-light); }

/* Botão hamburguer (visível apenas no mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}


/* ============================================================
   SEÇÃO HERO (BANNER PRINCIPAL)
   [EDITÁVEL] Para trocar a imagem de fundo, mude background-image abaixo
   ============================================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  /* [IMAGEM EDITÁVEL] Hero background image
     Substitua a URL abaixo pela imagem real.
     Especificação: 1920x1080px, solo fértil com luz de pôr do sol */
  background: var(--green-dark);
  overflow: hidden;
}

/* Overlay escuro sobre a imagem hero para legibilidade do texto */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(27,67,50,0.85) 0%,
    rgba(27,67,50,0.60) 60%,
    rgba(0,0,0,0.3) 100%
  );
  z-index: 1;
}

/* Placeholder visual do hero image */
.hero-image-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1b4332 0%, #40916c 50%, #6b4226 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 0;
}

.placeholder-label {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  text-align: center;
  padding: 20px;
  border: 2px dashed rgba(255,255,255,0.3);
  border-radius: var(--radius);
  max-width: 500px;
}
.placeholder-label code {
  background: rgba(255,255,255,0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.8rem;
}

/* Conteúdo sobre o hero */
.hero-content {
  position: relative;
  z-index: 2;
  color: var(--white);
  max-width: 800px;
  padding: 140px 0 80px;
}

.hero-tag {
  display: inline-block;
  background: var(--gold);
  color: var(--brown-dark);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.hero-title {
  color: var(--white);
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.88);
  margin-bottom: 36px;
  max-width: 580px;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

/* Selos de confiança no hero */
.trust-badges {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.trust-badges span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.3px;
}
.trust-badges i { color: var(--green-light); }


/* ============================================================
   SEÇÃO ABOUT — CARDS DE ESTATÍSTICAS
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--green-light);
  box-shadow: var(--shadow-lg);
}
.stat-card i {
  font-size: 2.2rem;
  color: var(--green-main);
  margin-bottom: 16px;
  display: block;
}
.stat-card strong {
  display: block;
  font-size: 2.2rem;
  color: var(--green-dark);
  font-family: var(--font-heading);
  margin-bottom: 6px;
}
.stat-card span { color: var(--gray-mid); font-size: 0.9rem; font-weight: 600; }


/* ============================================================
   SEÇÃO PRODUTOS
   ============================================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 16px;
}

.product-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--green-light);
  box-shadow: var(--shadow-lg);
}
.product-card.featured {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px var(--gold);
}

.product-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--gold);
  color: var(--brown-dark);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 50px;
  z-index: 1;
}

/* Placeholder da imagem do produto */
.product-img-placeholder {
  width: 100%;
  height: 240px;
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--brown-main) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.product-img-placeholder p {
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
  text-align: center;
  border: 2px dashed rgba(255,255,255,0.3);
  padding: 20px;
  border-radius: var(--radius-sm);
  width: 100%;
}

.product-info {
  padding: 28px;
  color: var(--white);
}
.product-info h3 {
  margin-bottom: 10px;
  font-size: 1.3rem;
}
.product-info h3 span { color: var(--green-light); display: block; }
.product-info > p {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.product-specs {
  margin-bottom: 24px;
}
.product-specs li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.85);
}
.product-specs li:last-child { border-bottom: none; }
.product-specs i { color: var(--green-light); }


/* ============================================================
   SEÇÃO BENEFÍCIOS
   ============================================================ */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.benefit-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.benefit-card:hover {
  border-color: var(--green-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.benefit-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--green-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.benefit-icon i {
  font-size: 1.6rem;
  color: var(--green-main);
}

.benefit-card h3 {
  color: var(--green-dark);
  margin-bottom: 10px;
  font-size: 1.15rem;
}
.benefit-card p {
  color: var(--gray-mid);
  font-size: 0.92rem;
  line-height: 1.7;
}


/* ============================================================
   SEÇÃO EMBAIXADOR
   ============================================================ */
.section-ambassador {
  position: relative;
  background: var(--brown-dark);
  padding: 100px 0;
  overflow: hidden;
}

/* Overlay de textura */
.ambassador-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(27,67,50,0.8) 0%, rgba(61,31,13,0.9) 100%);
}

.ambassador-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

/* Placeholder da foto do embaixador */
.ambassador-img-placeholder {
  width: 100%;
  max-width: 400px;
  min-height: 500px;
  background: linear-gradient(180deg, rgba(64,145,108,0.3) 0%, rgba(107,66,38,0.4) 100%);
  border: 2px dashed rgba(255,255,255,0.25);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
}
.ambassador-img-placeholder p {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  text-align: center;
  line-height: 1.8;
}

.ambassador-text { color: var(--white); }
.ambassador-text h2 { color: var(--white); margin: 12px 0 20px; }
.ambassador-text p { color: rgba(255,255,255,0.8); margin-bottom: 16px; font-size: 1rem; }
.ambassador-text p em { font-style: italic; color: rgba(255,255,255,0.65); }

.ambassador-credentials {
  margin: 24px 0 32px;
}
.ambassador-credentials li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.85);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.ambassador-credentials li:last-child { border-bottom: none; }
.ambassador-credentials i { color: var(--gold); }


/* ============================================================
   SEÇÃO OPERAÇÕES
   ============================================================ */
.operations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 70px;
}

.ops-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.ops-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Placeholder das imagens operacionais */
.ops-img-placeholder {
  width: 100%;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.ops-card:nth-child(1) .ops-img-placeholder { background: linear-gradient(135deg, #1b4332, #2d6a4f); }
.ops-card:nth-child(2) .ops-img-placeholder { background: linear-gradient(135deg, #3d1f0d, #6b4226); }
.ops-card:nth-child(3) .ops-img-placeholder { background: linear-gradient(135deg, #0a2a4a, #1e5f8c); }

.ops-img-placeholder p {
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
  text-align: center;
  border: 2px dashed rgba(255,255,255,0.3);
  padding: 16px;
  border-radius: var(--radius-sm);
}

.ops-label {
  background: var(--green-dark);
  color: var(--white);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  font-weight: 600;
}
.ops-label i { color: var(--green-light); }

/* Timeline do processo de exportação */
.export-timeline { text-align: center; }
.export-timeline h3 {
  font-size: 1.6rem;
  color: var(--green-dark);
  margin-bottom: 40px;
  font-family: var(--font-heading);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  position: relative;
}

.timeline-step {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 28px 20px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.timeline-step:hover {
  border-color: var(--green-main);
  transform: translateY(-3px);
}

.step-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--green-pale);
  font-family: var(--font-heading);
  margin-bottom: 10px;
  /* Número de fundo decorativo */
  -webkit-text-stroke: 2px var(--green-main);
  color: transparent;
}

.timeline-step h4 {
  color: var(--green-dark);
  font-size: 0.95rem;
  margin-bottom: 8px;
  font-family: var(--font-body);
  font-weight: 700;
}
.timeline-step p { color: var(--gray-mid); font-size: 0.85rem; }


/* ============================================================
   SEÇÃO RFQ (FORMULÁRIO DE COTAÇÃO)
   ============================================================ */
.section-rfq {
  position: relative;
  background: var(--green-dark);
  padding: 100px 0;
  overflow: hidden;
}

.rfq-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(82,183,136,0.12) 0%, transparent 60%),
    radial-gradient(circle at 80% 50%, rgba(244,163,0,0.06) 0%, transparent 60%);
}

.rfq-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: start;
}

.rfq-text { color: var(--white); }
.rfq-text h2 { color: var(--white); margin: 12px 0 20px; }
.rfq-text > p { color: rgba(255,255,255,0.75); margin-bottom: 32px; font-size: 1rem; }

.rfq-guarantees { margin-top: 24px; }
.rfq-guarantees li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.85);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.rfq-guarantees li:last-child { border-bottom: none; }
.rfq-guarantees i { color: var(--green-light); }

/* Wrapper do formulário */
.rfq-form-wrapper {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

/* Grupos de campos do formulário */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--green-dark);
  margin-bottom: 8px;
  letter-spacing: 0.2px;
}
.form-group label i { color: var(--green-mid); margin-right: 4px; }

/* Campos de input, select e textarea */
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-light);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-dark);
  background: var(--off-white);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green-main);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(45,106,79,0.12);
}

/* Estado de erro no campo */
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #e74c3c;
  background: #fff5f5;
}

/* Mensagem de erro por campo */
.field-error {
  display: block;
  font-size: 0.8rem;
  color: #e74c3c;
  margin-top: 5px;
  min-height: 16px;
}

/* Checkbox de consentimento */
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--green-main);
  cursor: pointer;
}
.form-checkbox label {
  font-size: 0.82rem;
  color: var(--gray-mid);
  cursor: pointer;
  line-height: 1.5;
}
.form-checkbox label a {
  color: var(--green-main);
  text-decoration: underline;
}
.form-checkbox .field-error {
  margin-left: 30px;
  display: block;
  width: 100%;
}

/* Spinner de carregamento no botão */
.btn-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(59,37,13,0.3);
  border-top-color: var(--brown-dark);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Mensagem de sucesso após envio */
.form-success {
  text-align: center;
  padding: 48px 24px;
}
.form-success i {
  font-size: 4rem;
  color: var(--green-main);
  margin-bottom: 20px;
  display: block;
}
.form-success h3 {
  color: var(--green-dark);
  margin-bottom: 12px;
}
.form-success p { color: var(--gray-mid); }

/* Mensagem de erro geral */
.form-error {
  background: #fff5f5;
  border: 1px solid #ffc0c0;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  color: #c0392b;
  font-size: 0.9rem;
}
.form-error i { font-size: 1.2rem; flex-shrink: 0; }


/* ============================================================
   RODAPÉ (FOOTER)
   ============================================================ */
#footer {
  background: #0d2318; /* Verde muito escuro */
  color: rgba(255,255,255,0.75);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
  gap: 48px;
  padding: 70px 0 40px;
}

.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.7; max-width: 280px; }

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.social-links a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1rem;
  transition: var(--transition);
}
.social-links a:hover {
  background: var(--green-main);
  transform: translateY(-2px);
}

.footer-links h4,
.footer-contact h4,
.footer-certifications h4 {
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
  font-family: var(--font-body);
}

.footer-links ul li { margin-bottom: 10px; }
.footer-links a {
  color: rgba(255,255,255,0.65);
  font-size: 0.88rem;
}
.footer-links a:hover { color: var(--green-light); }

.footer-contact p {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  margin-bottom: 12px;
}
.footer-contact i { color: var(--green-light); width: 16px; }
.footer-contact a:hover { color: var(--green-light); }

.footer-certifications li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-certifications li:last-child { border-bottom: none; }
.footer-certifications i { color: var(--green-light); margin-top: 3px; flex-shrink: 0; }

/* Barra inferior do rodapé */
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.4); }
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--green-light); }


/* ============================================================
   BOTÃO FLUTUANTE WHATSAPP
   [EDITÁVEL] Para mover, altere bottom e right abaixo
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 80px;
  right: 28px;
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.6rem;
  box-shadow: 0 4px 16px rgba(37,211,102,0.5);
  z-index: 999;
  transition: var(--transition);
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37,211,102,0.6);
}

/* Botão voltar ao topo */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  background: var(--green-main);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  box-shadow: var(--shadow);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.back-to-top:hover { background: var(--green-mid); transform: translateY(-2px); }


/* ============================================================
   RESPONSIVIDADE — TABLET (max 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .rfq-layout,
  .ambassador-layout {
    grid-template-columns: 1fr;
  }

  .ambassador-photo { display: flex; justify-content: center; }
  .ambassador-img-placeholder { max-width: 100%; min-height: 300px; }
}


/* ============================================================
   RESPONSIVIDADE — MOBILE (max 768px)
   ============================================================ */
@media (max-width: 768px) {

  /* Navbar mobile */
  .hamburger { display: flex; }

  .nav-links {
    display: none;         /* Oculto por padrão no mobile */
    position: fixed;
    inset: 0;
    background: var(--green-dark);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
    z-index: 999;
  }
  .nav-links.open { display: flex; } /* Exibido quando hamburger é clicado */
  .nav-links a { font-size: 1.2rem; }

  /* Hero mobile */
  .hero-content { padding: 120px 0 60px; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .trust-badges { gap: 12px; }

  /* Seções */
  .section { padding: 60px 0; }

  /* Produtos */
  .products-grid { grid-template-columns: 1fr; }

  /* Operações */
  .operations-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }

  /* Formulário RFQ */
  .rfq-form-wrapper { padding: 28px 20px; }
  .rfq-layout { grid-template-columns: 1fr; gap: 40px; }

  /* Rodapé */
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding: 48px 0 28px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }

  /* Embaixador */
  .ambassador-layout { grid-template-columns: 1fr; gap: 32px; }
}


/* ============================================================
   RESPONSIVIDADE — MOBILE PEQUENO (max 480px)
   ============================================================ */
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: 1fr; }
  .rfq-form-wrapper { padding: 20px 16px; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
}


/* ============================================================
   ANIMAÇÕES DE ENTRADA (usadas pelo Intersection Observer no JS)
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}