/* Brasil Imperial B2B — estilos (CSS3 puro, variáveis + flex/grid) */

:root {
  --verde: #0b6b3a;
  --verde-escuro: #08512c;
  --amarelo: #f5c518;
  --dourado: #d4a017;
  --creme: #faf7f0;
  --branco: #ffffff;
  --texto: #1c2b24;
  --texto-suave: #4a5c54;
  --erro: #b42318;
  --borda: #d9e2dc;
  --sombra: 0 10px 30px rgba(12, 40, 28, 0.12);
  --raio: 12px;
  --fonte-titulo: "Playfair Display", Georgia, serif;
  --fonte-corpo: "Inter", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--fonte-corpo);
  color: var(--texto);
  background: var(--creme);
  line-height: 1.6;
}

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

a {
  color: var(--verde);
}

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

/* Cabeçalho */
.site-header {
  background: var(--branco);
  border-bottom: 1px solid var(--borda);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.logo {
  font-family: var(--fonte-titulo);
  font-size: 1.35rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--texto);
}

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

.site-header nav {
  display: flex;
  gap: 1.25rem;
}

.site-header nav a {
  text-decoration: none;
  font-weight: 500;
  color: var(--texto-suave);
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  color: var(--verde);
}

/* Hero */
.hero {
  padding: 4.5rem 0 3.5rem;
  background:
    linear-gradient(135deg, rgba(11, 107, 58, 0.96), rgba(8, 81, 44, 0.92)),
    var(--verde);
  color: var(--branco);
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(245, 197, 24, 0.18);
  color: var(--amarelo);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero h1 {
  font-family: var(--fonte-titulo);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}

.lead {
  font-size: 1.08rem;
  color: inherit;
  opacity: 0.92;
  max-width: 36rem;
}

.hero .btn-primary {
  margin-top: 1.5rem;
}

.hero-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.hero-stats li {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--raio);
  padding: 1rem;
  display: grid;
  gap: 0.25rem;
  text-align: center;
}

.hero-stats strong {
  font-family: var(--fonte-titulo);
  font-size: 1.75rem;
  color: var(--amarelo);
}

.hero-stats span {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* Benefícios */
.benefits {
  padding: 4rem 0;
}

.benefits h2,
.contact h2 {
  font-family: var(--fonte-titulo);
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  margin: 0 0 1.75rem;
  text-align: center;
}

.contact h2 {
  text-align: left;
}

.cards {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--branco);
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  padding: 1.5rem;
  box-shadow: var(--sombra);
}

.card h3 {
  font-family: var(--fonte-titulo);
  font-size: 1.15rem;
  margin: 0 0 0.6rem;
  color: var(--verde-escuro);
}

.card p {
  margin: 0;
  color: var(--texto-suave);
}

/* Contato / formulário */
.contact {
  padding: 1rem 0 4.5rem;
}

.contact-grid {
  display: grid;
  gap: 2rem;
  background: var(--branco);
  border: 1px solid var(--borda);
  border-radius: calc(var(--raio) + 4px);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  box-shadow: var(--sombra);
}

.contact-points {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
  color: var(--texto-suave);
}

.contact-points li::before {
  content: "✓ ";
  color: var(--verde);
  font-weight: 700;
}

.lead-form {
  display: grid;
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field label {
  font-weight: 600;
  font-size: 0.92rem;
}

.field input,
.field select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--borda);
  border-radius: 8px;
  font: inherit;
  color: var(--texto);
  background: var(--branco);
}

.field input:focus-visible,
.field select:focus-visible,
.btn:focus-visible,
.link-voltar:focus-visible {
  outline: 3px solid rgba(245, 197, 24, 0.65);
  outline-offset: 2px;
}

.field input[aria-invalid="true"],
.field select[aria-invalid="true"] {
  border-color: var(--erro);
}

.erro {
  margin: 0;
  min-height: 1.1em;
  font-size: 0.85rem;
  color: var(--erro);
}

.erro-geral {
  text-align: center;
}

/* Honeypot: invisível para humanos e bots visuais */
.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* Botões */
.btn {
  display: inline-block;
  border: none;
  border-radius: 999px;
  padding: 0.9rem 1.6rem;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--amarelo), var(--dourado));
  color: #2a2105;
  box-shadow: 0 8px 18px rgba(212, 160, 23, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(212, 160, 23, 0.42);
}

.btn-primary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-block {
  width: 100%;
}

.lgpd {
  margin: 0.25rem 0 0;
  font-size: 0.78rem;
  color: var(--texto-suave);
  text-align: center;
}

/* Página obrigado */
.thanks {
  min-height: calc(100vh - 140px);
  display: grid;
  place-items: center;
  padding: 3rem 0;
}

.thanks-inner {
  background: var(--branco);
  border: 1px solid var(--borda);
  border-radius: calc(var(--raio) + 4px);
  box-shadow: var(--sombra);
  padding: clamp(1.75rem, 5vw, 3rem);
  text-align: center;
  max-width: 640px;
}

.thanks h1 {
  font-family: var(--fonte-titulo);
  font-size: clamp(1.75rem, 3.5vw, 2.4rem);
  margin: 0 0 1rem;
  color: var(--verde-escuro);
}

.thanks .lead {
  margin-inline: auto;
  color: var(--texto-suave);
  opacity: 1;
}

.thanks .btn {
  margin-top: 1.5rem;
}

.erro-destaque {
  color: var(--erro) !important;
  font-weight: 500;
}

.link-voltar {
  display: inline-block;
  margin-top: 1.25rem;
  font-size: 0.95rem;
  font-weight: 500;
}

/* Rodapé */
.site-footer {
  background: var(--texto);
  color: rgba(255, 255, 255, 0.8);
  padding: 1.25rem 0;
  text-align: center;
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

/* Responsivo */
@media (min-width: 860px) {
  .hero-grid {
    grid-template-columns: 1.4fr 1fr;
    align-items: center;
  }

  .contact-grid {
    grid-template-columns: 1fr 1.1fr;
    align-items: start;
  }
}