/* 1. Importação da Fonte (Open Sans, conforme o código original) */
@import url("https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;700;800&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Zilla+Slab+Highlight:wght@400;700&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Zilla+Slab:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500;1,600;1,700&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap");

html {
  scroll-behavior: smooth;
}

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

.space {
  margin: 120px auto;
}

body {
  font-family: "Inter", sans-serif;
  background: #fff;
  color: #222;
  scroll-behavior: smooth;

  background-image:
    radial-gradient(circle at 30% 20%, #ffffffb2, #b8b8b8c4),
    url("https://www.toptal.com/designers/subtlepatterns/uploads/cheap_diagonal_fabric.png");

  background-attachment: fixed;
}

/* TÍTULO */
h1.titulo {
  text-align: center;
  font-family: "Zilla Slab", serif;
  font-size: 2.2rem;
  margin-bottom: 40px;
  color: var(--primary-color);
  font-weight: 600;
  text-transform: uppercase;
}

h1.titulo-secao {
  text-align: center;
  font-family: "Zilla Slab", serif;
  font-size: 2.2rem;
  color: var(--primary-color);
  font-weight: 600;
  text-transform: uppercase;
  /* background-color: #fff; */

  margin-top: 30px;
  margin-bottom: 30px;
  padding-bottom: 30px;
  padding-top: 30px;
}

h2.subtitulo {
  font-family: "Inter", sans-serif;
  display: block;
  color: var(--primary-color);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 2px;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

p {
  font-family: "Inter", sans-serif;
  text-align: justify;
  font-size: 1rem;
  line-height: 1.7;
  color: #444;
  margin-bottom: 1rem;
}

/* BOTÕES */

.about-buttons {
  margin-top: 30px;
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.btn-primary {
  background: #2f5d62;
  /* width: 100%; */
  color: white;
  padding: 12px 20px;
  border-radius: 10px;
  text-decoration: none;
  font-size: 14px;
  transition: 0.3s;
}

.btn-primary:hover {
  background: #24484c;
}

.btn-outline {
  width: 100%;
  border: 1px solid #2f5d62;
  color: #2f5d62;
  padding: 12px 20px;
  border-radius: 10px;
  text-decoration: none;
  font-size: 14px;
  transition: 0.3s;
}

.btn-outline:hover {
  background: #2f5d62;
  color: white;
}

.btn-outline-smaller {
  border: 1px solid #2f5d62;
  color: #2f5d62;
  padding: 12px 20px;
  border-radius: 10px;
  text-decoration: none;
  font-size: 14px;
  transition: 0.3s;
}

.btn-outline-smaller:hover {
  background: #2f5d62;
  color: white;
}

/*                 */
/* VOLTAR AO TOPO */
/*               */

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 45px;
  height: 45px;
  background: #205c6d;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 20px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  z-index: 999;
}