:root {
  --color-bg: #000;
  --color-text: #ccc;
  --color-accent: #76D0FF;
  --color-overlay: rgba(0, 0, 0, 0.5);
  --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --max-width: 720px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  font-weight: bold;
}

h1 {
  color: #fff;
  font-size: clamp(3rem, 2.8295rem + 0.6818vw, 3.375rem);
  line-height: 1.5em;
  text-shadow: 2px 2px 1px rgba(40, 40, 40, 1);
}

h2 {
  color: #fff;
  font-size: clamp(2.25rem, 2.1222rem + 0.5114vw, 2.5313rem);
  line-height: 1.5em;
  text-shadow: 2px 2px 1px rgba(40, 40, 40, 1);
}

h3 {
  color: #fff;
  font-size: clamp(1.875rem, 1.7685rem + 0.4261vw, 2.1094rem);
  line-height: 1.5em;
}

h2.fs-h2 {
  font-size: 20px;
  text-align: center;
  color: #76D0FF;
  text-transform: uppercase;
  text-shadow: none;
  margin: 16px 0;
}

h3.fs-h3 {
  font-size: 18px;
  color: #FFF;
  text-transform: uppercase;
  margin: 16px 0;
}

.list {
  list-style: none;
  margin: 1rem 0 1rem 1rem;
}

.list li {
  margin: .5rem 0;
}

.list li:before {
  content: "o ";
  color: #76D0FF;
}

span.subtitle {
  color: #fff;
  font-size: 1.5rem;
  line-height: 1.5em;
  text-shadow: 2px 2px 1px rgba(40, 40, 40, 1);
  font-weight: 500;
  text-transform: uppercase;
}

header.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #111;
  padding: 1rem 2rem;
  position: relative;
  gap: 20px;
}

.logo img {
  height: 50px;
}

.main-nav {
  position: relative;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background: #fff;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.nav-links li a {
  color: #b7b7b7;
  text-decoration: none;
  font-weight: 400;
}

.nav-links li a.active {
  color: #fff;
}

.social-icons {
  display: flex;
  gap: 0.75rem;
}

.social-icons img {
  height: 20px;
}

.section {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 5rem 1rem;
  position: relative;
  min-height: 100vh;
}

.container {
  max-width: var(--max-width);
  padding: 10px;
  margin: 0 auto;
}

.overlay {
  background-color: var(--color-overlay);
  backdrop-filter: blur(8px);
  margin: 1rem auto;
  border-radius: 16px;
  padding: 10px;
}

.overlay p {
  margin: 1rem 0;
  font-size: 1rem;
  color: var(--color-text);
}

.download-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.download-buttons img {
  height: 40px;
  transition: transform 0.3s;
  cursor: pointer;
}

.download-buttons img:hover {
  transform: scale(1.1);
}

footer {
  background-color: #111;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  color: #999;
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    background-color: #111;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    padding: 2rem 1rem;
    z-index: 99;
    align-items: center;
    text-align: center;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    padding: 0.75rem 0;
  }

  .main-nav {
    width: 100%;
    display: flex;
    justify-content: center;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .social-icons {
    margin-top: 1rem;
  }
}