* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Roboto', sans-serif; scroll-behavior: smooth; }
body { background: #fff; color: #333; line-height: 1.6; }
header { background: #005f73; color: white; padding: 20px 0; position: sticky; top: 0; z-index: 1000; transition: background 0.3s; }
header.sticky { background: #0a9396; }
header .container { width: 90%; max-width: 1200px; margin: auto; display: flex; justify-content: space-between; align-items: center; }
header h1 { font-size: 1.8rem; transition: transform 0.3s; }
nav a { color: white; text-decoration: none; margin-left: 20px; font-weight: bold; transition: color 0.3s; }
nav a:hover { color: #94d2bd; }
section { padding: 80px 20px; transition: opacity 0.8s ease-in-out; }
.container { width: 90%; max-width: 1200px; margin: auto; }
.home { background: #0a9396; color: white; text-align: center; padding: 120px 20px; }
.home h2 { font-size: 2.8rem; margin-bottom: 20px; }
.home p { font-size: 1.2rem; }
.sobre h2, .servicos h2, .depoimentos h2, .contato h2 { color: #005f73; margin-bottom: 20px; text-align: center; }
.servico-lista { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.servico-item { border: 1px solid #ccc; border-radius: 10px; padding: 25px; background: #e9f1f2; transition: transform 0.3s, box-shadow 0.3s; cursor: pointer; }
.servico-item:hover { transform: translateY(-10px); box-shadow: 0 10px 20px rgba(0,0,0,0.2); }
.depoimento { background: #f0f0f0; padding: 20px; border-radius: 10px; margin-bottom: 20px; transition: transform 0.3s; }
.depoimento:hover { transform: scale(1.02); }
form { max-width: 600px; margin: auto; display: flex; flex-direction: column; gap: 15px; }
input, textarea { padding: 12px; border: 1px solid #ccc; border-radius: 6px; font-size: 1rem; transition: border-color 0.3s; }
input:focus, textarea:focus { border-color: #0a9396; outline: none; }
button { padding: 15px; background: #005f73; color: white; border: none; font-weight: bold; cursor: pointer; border-radius: 6px; transition: background 0.3s; }
button:hover { background: #0a9396; }
footer { background: #001219; color: white; text-align: center; padding: 25px; margin-top: 40px; }
footer a { color: #94d2bd; text-decoration: none; margin: 0 10px; transition: color 0.3s; }
footer a:hover { color: #0a9396; }
#topBtn { display: none; position: fixed; bottom: 30px; right: 30px; z-index: 99; font-size: 18px; border: none; outline: none; background-color: #005f73; color: white; cursor: pointer; padding: 15px; border-radius: 50%; transition: background 0.3s; }
#topBtn:hover { background-color: #0a9396; }