style.css

@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;1,100;1,200;1,300;1,400;1,500;1,600;1,700&display=swap");

body,
html {
  font-family:
    IBM Plex Mono,
    sans-serif;
  margin: 0;
  padding: 0;
  font-size: 1rem;
  line-height: 1.35;
}

.page-content {
  padding: 1rem;
}

header {
  background-color: #ff6100;
  color: white;
  padding: 1.25rem;
  width: auto;
  text-align: left;
  line-height: 0.8;
}

header h1 a {
  text-decoration: none;
  color: white;
}

nav ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  text-align: left;
}

nav ul li {
  display: inline;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-size: 1rem;
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #ff6100;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.loading-spinner {
  border: 16px solid #f3f3f3;
  border-top: 16px solid #ffffff;
  border-radius: 50%;
  width: 120px;
  height: 120px;
  animation: spin 2s linear infinite;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

footer {
  background-color: #ff6100;
  color: white;
  padding: 0.625rem;
  text-align: center;
  width: auto;
}

.hero {
  position: relative;
  height: 80.19vh;
  background: url("img/pexels-ompot-28719306.jpg") center center/cover no-repeat;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
}
.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  line-height: 0.85;
}
.hero h1 {
  font-size: 3em;
  margin: 0;
  color: #ffffff;
}
.hero p {
  font-size: 1.5em;
  color: #ffffff;
}

.but {
  background-color: #ff6100;
  color: white;
  padding: 0.5rem 1rem;
  text-decoration: none;
  border-radius: 0.25rem;
}