:root {
  --background: #f5f6fa;
  --surface: #ffffff;
  --foreground: #1a1a2e;
  --muted: #6b7280;
  --border: #e2e4ea;
  --brand-navy: #14123a;
  --brand-purple: #4f46b8;
  --brand-purple-light: #6d63d6;
  --brand-accent: #7c3aed;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.marca {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.marca img {
  width: 36px;
  height: 36px;
}

.marca span {
  font-weight: 700;
  color: var(--brand-navy);
  font-size: 1.05rem;
}

nav {
  display: flex;
  gap: 20px;
}

nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
}

nav a:hover {
  color: var(--brand-navy);
}

.btn {
  display: inline-block;
  border-radius: 10px;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s ease;
}

.btn-primary {
  background: var(--brand-purple);
  color: #fff;
}

.btn-primary:hover {
  background: var(--brand-purple-light);
}

.btn-secondary {
  background: var(--surface);
  color: var(--brand-navy);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--background);
}

/* Hero */
.hero {
  text-align: center;
  padding: 72px 0 56px;
}

.hero img {
  width: 72px;
  height: 72px;
  margin-bottom: 20px;
}

.hero h1 {
  color: var(--brand-navy);
  font-size: 2.1rem;
  margin: 0 0 14px;
}

.hero p {
  max-width: 520px;
  margin: 0 auto 28px;
  color: var(--muted);
}

.hero .acoes {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Seções */
section.bloco {
  padding: 56px 0;
  border-top: 1px solid var(--border);
}

section.bloco h2 {
  color: var(--brand-navy);
  font-size: 1.5rem;
  margin: 0 0 24px;
  text-align: center;
}

/* Áreas de atuação */
.grade-areas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.card-area {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
}

.card-area h3 {
  margin: 0 0 6px;
  color: var(--brand-navy);
  font-size: 1rem;
}

.card-area p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

/* Sobre / Equipe */
.texto-centralizado {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  color: var(--muted);
}

/* Contato */
.contato-caixa {
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
}

.contato-caixa p {
  color: var(--muted);
  margin-bottom: 24px;
}

footer {
  text-align: center;
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 0.82rem;
}

/* Botão flutuante de WhatsApp */
.whatsapp-flutuante {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 20;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.22);
  transition: transform 0.15s ease;
}

.whatsapp-flutuante:hover {
  transform: scale(1.06);
}

.whatsapp-flutuante svg {
  width: 30px;
  height: 30px;
}