/* --- RESET BASE --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth; /* Rolagem suave nativa ao clicar no menu */
}

:root {
  --bg-dark: #0b0f0c;        /* Verde floresta profundo */
  --bg-dark-gray: #111814;   /* Tom de fundo alternativo */
  --bg-card: rgba(18, 28, 22, 0.5); /* Vidro fosco esverdeado */
  --primary-green: #4caf50;  /* Verde vibrante ecológico */
  --accent-sand: #d4a373;    /* Tom terra/argila */
  --text-white: #f5f7f6;     /* Texto claro */
  --text-gray: #a3b2a9;      /* Texto secundário */
  --border-glass: rgba(255, 255, 255, 0.08);
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-white);
  line-height: 1.6;
}

/* --- NAVBAR FIXA --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 20px 8%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: rgba(11, 15, 12, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-glass);
}

.logo {
  font-family: 'Cinzel', serif;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo i {
  color: var(--primary-green);
}

.logo span {
  color: var(--accent-sand);
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: var(--text-gray);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 20px;
  transition: all 0.3s ease;
}

.nav-links a:hover {
  color: var(--text-white);
  background: rgba(76, 175, 80, 0.1);
}

.btn-cta-header {
  background: var(--primary-green);
  color: var(--bg-dark);
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 0.85rem;
  transition: all 0.3s ease;
}

.btn-cta-header:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

/* --- CONTAINER ESTRUTURAL --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --- SEÇÃO HERO --- */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 100px;
  background: radial-gradient(circle at center, rgba(76, 175, 80, 0.1) 0%, var(--bg-dark) 100%);
  text-align: center;
}

.hero-container {
  max-width: 800px;
  padding: 20px;
}

.badge-green {
  display: inline-block;
  background: rgba(76, 175, 80, 0.1);
  border: 1px solid rgba(76, 175, 80, 0.3);
  color: var(--primary-green);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 25px;
}

.hero-container h1 {
  font-family: 'Cinzel', serif;
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 25px;
}

.hero-container p {
  font-size: 1.1rem;
  color: var(--text-gray);
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.btn-primary {
  background: var(--primary-green);
  color: var(--bg-dark);
  text-decoration: none;
  padding: 15px 35px;
  border-radius: 30px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(76, 175, 80, 0.3);
}

.btn-secondary {
  border: 1px solid var(--accent-sand);
  color: var(--accent-sand);
  text-decoration: none;
  padding: 15px 35px;
  border-radius: 30px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(212, 163, 115, 0.1);
  color: var(--text-white);
}

/* --- SEÇÕES DE CONTEÚDO VERTICAIS --- */
.content-section {
  padding: 100px 0;
}

.dark-bg {
  background-color: var(--bg-dark-gray);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px auto;
}

.section-tag {
  display: inline-block;
  color: var(--primary-green);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.section-header h2 {
  font-family: 'Cinzel', serif;
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: var(--accent-sand);
}

.section-subtitle {
  color: var(--text-gray);
  font-size: 1rem;
}

/* --- GRIDS --- */
.grid-2 {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

/* --- A ECOSAPIENS --- */
.text-block h2 {
  font-family: 'Cinzel', serif;
  font-size: 2.8rem;
  color: var(--accent-sand);
  margin-bottom: 20px;
}

.text-block p {
  color: var(--text-gray);
  margin-bottom: 20px;
  font-size: 1rem;
}

.stats-row {
  display: flex;
  gap: 40px;
  margin-top: 35px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: 'Cinzel', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-green);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-gray);
}

.card-image-placeholder {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 50px 30px;
  text-align: center;
  backdrop-filter: blur(5px);
}

.card-image-placeholder i {
  font-size: 3.5rem;
  color: var(--primary-green);
  margin-bottom: 20px;
}

.card-image-placeholder h3 {
  font-family: 'Cinzel', serif;
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.card-image-placeholder p {
  color: var(--text-gray);
  font-size: 0.9rem;
}

/* --- METODOLOGIA CARDS --- */
.card-step {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 40px 30px;
  position: relative;
}

.step-icon {
  font-family: 'Cinzel', serif;
  font-size: 3rem;
  color: rgba(76, 175, 80, 0.15);
  font-weight: 800;
  position: absolute;
  top: 20px;
  right: 30px;
}

.card-step h3 {
  font-family: 'Cinzel', serif;
  font-size: 1.3rem;
  color: var(--primary-green);
  margin-bottom: 15px;
}

.card-step p {
  color: var(--text-gray);
  font-size: 0.9rem;
}

/* --- O QUE FAZEMOS CARDS --- */
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 40px 30px;
  transition: border-color 0.3s;
}

.service-card:hover {
  border-color: var(--primary-green);
}

.service-card i {
  font-size: 2rem;
  color: var(--primary-green);
  margin-bottom: 25px;
}

.service-card h3 {
  font-family: 'Cinzel', serif;
  font-size: 1.25rem;
  color: var(--accent-sand);
  margin-bottom: 15px;
}

.service-card p {
  color: var(--text-gray);
  font-size: 0.9rem;
}

/* --- TECNOLOGIAS BOX --- */
.tech-box {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  padding: 35px;
  border-radius: 20px;
}

.tech-box h4 {
  font-family: 'Cinzel', serif;
  color: var(--primary-green);
  font-size: 1.2rem;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.tech-box p {
  color: var(--text-gray);
  font-size: 0.9rem;
}

/* --- PORTFÓLIO E CASOS --- */
.project-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 45px 35px;
}

.project-meta {
  color: var(--accent-sand);
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 10px;
}

.project-item h3 {
  font-family: 'Cinzel', serif;
  font-size: 1.4rem;
  margin-bottom: 15px;
}

.project-item p {
  color: var(--text-gray);
  font-size: 0.9rem;
}

/* --- CONTATO & FOOTER --- */
.contact-section {
  background-color: var(--bg-dark-gray);
  border-top: 1px solid var(--border-glass);
}

.contact-text h2 {
  font-family: 'Cinzel', serif;
  font-size: 2.5rem;
  color: var(--accent-sand);
  margin-bottom: 20px;
}

.contact-text p {
  color: var(--text-gray);
  margin-bottom: 30px;
}

.contact-info p {
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
}

.contact-info i {
  color: var(--primary-green);
}

.contact-form {
  background: var(--bg-dark);
  border: 1px solid var(--border-glass);
  padding: 40px;
  border-radius: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--primary-green);
  margin-bottom: 8px;
  text-transform: uppercase;
  font-weight: 600;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  color: white;
  outline: none;
  font-family: inherit;
  transition: border-color 0.3s;
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--primary-green);
}

.btn-submit {
  width: 100%;
  padding: 14px;
  background: var(--primary-green);
  color: var(--bg-dark);
  border: none;
  border-radius: 30px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.3s;
}

.btn-submit:hover {
  transform: translateY(-2px);
}

/* --- RODAPÉ --- */
.main-footer {
  margin-top: 80px;
}

.footer-divider {
  width: 100%;
  height: 1px;
  background: var(--border-glass);
  margin-bottom: 30px;
}

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

.footer-logo {
  font-family: 'Cinzel', serif;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 1px;
}

.footer-logo span {
  color: var(--accent-sand);
}

.copyright {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.2);
}

/* --- WHATSAPP FLUTUANTE --- */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #2e7d32;
  color: white;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.8rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.4);
  z-index: 1000;
  text-decoration: none;
  transition: transform 0.3s;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

/* --- RESPONSIVIDADE --- */
@media (max-width: 900px) {
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .navbar {
    padding: 15px 5%;
  }
  .nav-links {
    display: none; /* Em projetos reais, criamos menu sanduíche aqui */
  }
  .hero-container h1 {
    font-size: 2.4rem;
  }
}