/* ===== VARIÁVEIS CSS ===== */
:root {
  --c-primary: #044D2B;
  --c-primary-2: #0E5B3B;
  --c-primary-light: #0f5b3d;
  --c-accent: #5E8E7F;
  --c-ink: #262F2B;
  --c-bg: #F7FBF9;
  --c-card: #E6F2EA;
  --c-muted: #6C7A73;
  --c-border: #e8ece9;
  --c-border-light: #eef3f0;
  
  /* Sombras */
  --shadow-sm: 0 2px 4px rgba(4, 77, 43, 0.08);
  --shadow-md: 0 4px 12px rgba(4, 77, 43, 0.12);
  --shadow-lg: 0 8px 20px rgba(4, 77, 43, 0.15);
  --shadow-xl: 0 12px 32px rgba(4, 77, 43, 0.2);
  
  /* Transições */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.35s ease;
  
  /* Bordas */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  
  /* Espaçamentos */
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
}

/* ===== RESET E BASE ===== */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Ubuntu, 'Helvetica Neue', Arial, 'Apple Color Emoji', 'Segoe UI Emoji';
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.6;
}

/* ===== TIPOGRAFIA ===== */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  margin: 0;
}

h1 {
  font-size: clamp(2.25rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.875rem, 3vw, 2.125rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

p {
  margin: 0;
  line-height: 1.7;
}

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

a:hover {
  color: var(--c-primary-2);
}

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

/* ===== LAYOUT ===== */
.container {
  max-width: 1200px;
  margin-inline: auto;
  padding: 0 var(--space-lg);
}

.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 {
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
}

/* ===== COMPONENTES ===== */

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-2));
  color: #fff;
  box-shadow: var(--shadow-md);
}

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

.btn-outline {
  border: 2px solid var(--c-primary);
  color: var(--c-primary);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: var(--c-primary);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Tags */
.tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--c-card), #d8e6de);
  color: var(--c-primary);
  font-weight: 700;
  font-size: 0.8rem;
  border: 1px solid #cfe2d8;
  box-shadow: var(--shadow-sm);
}

/* ===== HEADER ===== */
header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: saturate(1.2) blur(20px);
  border-bottom: 1px solid var(--c-border);
  z-index: 50;
  transition: all var(--transition-normal);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  transition: transform var(--transition-fast);
}

.brand:hover {
  transform: scale(1.02);
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.brand .t1 {
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--c-primary);
  font-size: 1.1rem;
}

.brand .t2 {
  font-weight: 800;
  color: var(--c-ink);
  font-size: 1.1rem;
}

.menu {
  display: flex;
  gap: var(--space-xl);
  font-weight: 600;
}

.menu a {
  color: var(--c-ink);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--c-primary);
  transition: all var(--transition-fast);
  transform: translateX(-50%);
}

.menu a:hover {
  color: var(--c-primary);
  background: rgba(4, 77, 43, 0.05);
}

.menu a:hover::after {
  width: 80%;
}

/* ===== HERO SECTION ===== */
.hero {
  padding: var(--space-3xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(4, 77, 43, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  margin: var(--space-sm) 0 var(--space-md);
  background: linear-gradient(135deg, var(--c-ink), var(--c-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.125rem;
  color: var(--c-muted);
  max-width: 50ch;
  margin-bottom: var(--space-lg);
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

.hero-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal);
}

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

.hero-card .pad {
  padding: var(--space-lg);
}

.hero-card strong {
  display: block;
  font-weight: 700;
  color: var(--c-ink);
  margin-bottom: var(--space-xs);
}

.hero-card .lead {
  color: var(--c-muted);
  font-size: 0.95rem;
}

/* ===== KPIs ===== */
.kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin: var(--space-2xl) 0 0;
}

.kpi {
  background: linear-gradient(135deg, var(--c-card), #d8e6de);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  border: 1px solid #d8e6de;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.kpi::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
}

.kpi:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.kpi .num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--c-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.kpi .lbl {
  color: var(--c-muted);
  font-weight: 500;
  font-size: 0.9rem;
}

/* ===== SECTIONS ===== */
section {
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--c-border-light);
  position: relative;
}

section h2 {
  margin: 0 0 var(--space-md);
}

section p.lead {
  color: var(--c-muted);
  max-width: 65ch;
  font-size: 1.1rem;
  margin-bottom: var(--space-xl);
}

/* ===== CARDS ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

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

.card:hover::before {
  transform: scaleX(1);
}

.card h3 {
  margin: var(--space-xs) 0 var(--space-xs);
  color: var(--c-ink);
}

.card p {
  color: var(--c-muted);
  flex-grow: 1;
}

/* ===== BADGES ===== */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.badge {
  background: linear-gradient(135deg, var(--c-card), #dfeee6);
  border: 1px solid #cfe2d8;
  color: var(--c-primary);
  padding: var(--space-xs) var(--space-md);
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.8rem;
  position: relative;
  box-shadow: 
    inset 0 1px 0 rgba(255, 255, 255, 0.6),
    var(--shadow-sm);
  transition: all var(--transition-fast);
}

.badge::after {
  content: "";
  position: absolute;
  left: var(--space-sm);
  right: var(--space-sm);
  top: 4px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.4);
  filter: blur(1px);
}

.badge:hover {
  transform: translateY(-2px);
  box-shadow: 
    inset 0 1px 0 rgba(255, 255, 255, 0.6),
    var(--shadow-md);
}

/* ===== STEPS ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.step {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-normal);
  position: relative;
}

.step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.step:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.step .n {
  font-weight: 800;
  color: var(--c-primary);
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
}

.step p {
  color: var(--c-muted);
  font-size: 0.95rem;
}

/* ===== CTA ===== */
.cta {
  background: linear-gradient(135deg, #0a3c2b, var(--c-primary-light));
  color: #fff;
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  border: 1px solid #123f31;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.1), transparent 50%);
  pointer-events: none;
}

.cta h3 {
  margin: 0 0 var(--space-sm);
  position: relative;
}

.cta p {
  opacity: 0.9;
  position: relative;
  margin-bottom: var(--space-lg);
}

.cta-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  position: relative;
}

/* ===== FORMULÁRIO ===== */
.form-grid {
  display: grid;
  gap: var(--space-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-field input,
.form-field textarea {
  padding: var(--space-md);
  border: 2px solid #ccd7d2;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  background: #fff;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(4, 77, 43, 0.1);
}

.form-field.error input,
.form-field.error textarea {
  border-color: #dc2626;
}

.form-field .error-message {
  color: #dc2626;
  font-size: 0.85rem;
  margin-top: var(--space-xs);
}

/* ===== FOOTER ===== */
footer {
  padding: var(--space-2xl) 0;
  color: var(--c-muted);
  border-top: 1px solid var(--c-border-light);
  background: rgba(255, 255, 255, 0.5);
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.footer-brand img {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
}

.footer-tagline {
  opacity: 0.8;
  font-size: 0.9rem;
}

/* ===== BOTÃO VOLTAR AO TOPO ===== */
.back-to-top {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 48px;
  height: 48px;
  background: var(--c-primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  opacity: 0;
  visibility: hidden;
  z-index: 100;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* ===== LOADING STATES ===== */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.btn.loading {
  position: relative;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 1024px) {
  .container {
    padding: 0 var(--space-lg);
  }
  
  .grid-2 {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .kpis {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cards {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .menu {
    display: none;
  }
  
  .nav {
    padding: var(--space-sm) 0;
  }
  
  .hero {
    padding: var(--space-2xl) 0;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .btn {
    justify-content: center;
  }
  
  .kpis,
  .cards,
  .steps {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: var(--space-sm);
  }
  
  section {
    padding: var(--space-2xl) 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .hero {
    padding: var(--space-xl) 0;
  }
  
  .cta {
    padding: var(--space-xl);
  }
  
  .cta-actions {
    flex-direction: column;
  }
}

/* ===== ANIMAÇÕES DE ENTRADA ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

/* ===== MELHORIAS DE ACESSIBILIDADE ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* ===== MODO ESCURO (PREPARAÇÃO) ===== */
@media (prefers-color-scheme: dark) {
  /* Variáveis para modo escuro podem ser adicionadas aqui no futuro */
}

/* ===== IMPRESSÃO ===== */
@media print {
  .btn,
  .back-to-top,
  header {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .card,
  .hero-card {
    border: 1px solid #ccc !important;
    box-shadow: none !important;
  }
}