:root {
  --main-color: #2c3e50;
  --secondary-color: #34495e;
  --main-dark: #1a252f;
  --light-bg: #f5f6fa;
  --font-family: 'Roboto', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: #333;
  background: #fff;
}
.container { width: 90%; max-width: 1100px; margin: 0 auto; }

.navbar {
  background: #fff;
  border-bottom: 2px solid var(--main-color);
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}
.logo-img {
  height: 100px;
}
.nav-list {
  list-style: none;
  display: flex;
  gap: 1.2rem;
}
.nav-list a {
  text-decoration: none;
  color: var(--main-dark);
  font-weight: 600;
}
.nav-list a:hover { color: var(--main-color); }

.whatsapp-icon-nav {
  width: 44px;
  height: 44px;
}

@media (max-width: 768px) {
  .navbar .container {
    justify-content: center;
  }
  .logo-img {
    height: 80px;
  }
  .nav-list {
    display: none;
  }
}

.main-home {
  padding: 4rem 0;
  min-height: 50vh;
}
.main-home .container {
  text-align: center;
}
.main-home h1 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  color: var(--main-dark);
}
.main-home .intro {
  margin-bottom: 2rem;
  color: #555;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.card {
  background: #fff;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform .2s, box-shadow .2s;
  border: 2px solid transparent;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}
.card-autismo { border-color: #5a2128; }
.card-autismo h2 { color: #5a2128; }
.card-idoso { border-color: #0d5c5c; }
.card-idoso h2 { color: #0d5c5c; }
.card h2 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.card span { font-size: 0.9rem; color: #666; }

.footer {
  background: var(--secondary-color);
  color: #fff;
  text-align: center;
  padding: 1.5rem 0;
}
.footer-logo {
  width: 60px;
  margin-bottom: .5rem;
}
.footer a {
  color: #fff;
  text-decoration: underline;
}
.footer a:hover { color: #ffcc00; }