* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  color: #222;
  background: #ececec url('https://www.transparenttextures.com/patterns/marble.png');
}

header {
  display: flex;
  justify-content: space-between;
  padding: 20px 10%;
  position: fixed;
  width: 100%;
  background: rgba(0,0,0,0.6);
  color: white;
  z-index: 10;
}

header h1 {
  font-family: 'Playfair Display', serif;
}

nav a {
  margin-left: 20px;
  color: white;
  text-decoration: none;
}

/* HERO */
.hero {
  height: 100vh;
  background: url('images/stonetiter.jpeg') center/cover;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
}

.hero-content {
  position: relative;
  color: white;
}

.hero h2 {
  font-size: 3rem;
  font-family: 'Playfair Display', serif;
}

.buttons {
  margin-top: 20px;
}

.btn {
  padding: 12px 25px;
  border: 1px solid rgb(60, 182, 76);
  color: rgb(85, 221, 51);
  text-decoration: none;
  margin: 5px;
}

.btn.gold {
  background: rgb(31, 61, 59, 0.8);
  color: black;
}

/* SECTIONS */
.section {
  padding: 80px 10%;
  text-align: center;
}

.dark {
  background: #111;
  color: white;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
  gap: 20px;
  margin-top: 30px;
}

.card {
  padding: 30px;
  border: 1px solid rgb(31, 61, 59, 0.8);
}

/* GALERIA1 */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: 15px;
}

.gallery img {
  width: 100%;
  border-radius: 10px;
}
/* GALERIA2 */

/* DIFERENCIAIS */
.diferenciais {
  list-style: none;
  margin-top: 20px;
}

.diferenciais li {
  margin: 10px 0;
}

/* CONTATO */
iframe {
  width: 100%;
  height: 300px;
  margin-top: 20px;
  border: none;
  display: flex;
  flex-direction: column;
}

/* WHATSAPP */
.whatsapp {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25D366;
  padding: 15px;
  border-radius: 50%;
  color: white;
  font-size: 20px;
}

/* RESPONSIVO */
@media (max-width:768px) {
  .hero h2 {
    font-size: 2rem;
  }
}