/* Mantle OS — timeless, minimal stylesheet */
html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Ubuntu", sans-serif;
  background: #0c0c0c;
  color: #eaeaea;
  line-height: 1.6;
  scroll-behavior: smooth;
}

body {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #222;
  padding-bottom: 1rem;
}

.logo {
  height: 48px;
  vertical-align: middle;
}

nav a {
  color: #ff6f1a;
  text-decoration: none;
  margin-left: 1rem;
  font-weight: 500;
}

nav a:hover {
  text-decoration: underline;
}

main {
  margin-top: 3rem;
}

/* Hero section */
.hero {
  text-align: center;
  padding: 2rem 1rem;
}

.hero-banner {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 0 40px rgba(255, 111, 26, 0.2);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 2.4rem;
  margin: 0.5rem 0;
  color: #ff6f1a;
}

.tagline {
  font-size: 1.2rem;
  color: #ccc;
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.button {
  background: #ff6f1a;
  color: #0c0c0c;
  padding: 0.6rem 1.2rem;
  text-decoration: none;
  border-radius: 3px;
  font-weight: bold;
  transition: background 0.2s;
}

.button:hover {
  background: #ff853a;
}

.button.secondary {
  background: none;
  border: 1px solid #00b8c6;
  color: #00b8c6;
}

.button.secondary:hover {
  background: #00b8c6;
  color: #0c0c0c;
}

/* Highlights section */
.highlights {
  margin-top: 3rem;
}

.highlights h2 {
  text-align: center;
  color: #00b8c6;
}

.highlights ul {
  list-style: none;
  padding: 0;
  text-align: center;
  margin-top: 1rem;
}

.highlights li {
  margin: 0.5rem 0;
  color: #ccc;
}

/* Footer */
footer {
  margin-top: 4rem;
  padding-top: 1rem;
  border-top: 1px solid #222;
  font-size: 0.9rem;
  color: #888;
  text-align: center;
}

footer a {
  color: #00b8c6;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

.exos-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.exos-gallery img {
  width: 45%;
  max-width: 420px;
  border-radius: 4px;
  box-shadow: 0 0 20px rgba(255, 111, 26, 0.2);
}

@media (max-width: 600px) {
  .exos-gallery img {
    width: 100%;
  }
}

.alpha-warning {
    background: #4a1a00;
    border-left: 4px solid #ff6f1a;
    padding: 1rem;
    margin-bottom: 2rem;
    color: #ffb57d;
    font-weight: bold;
    text-align: center;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin: 2rem 0;
}

.download-buttons a {
    display: inline-block;
    padding: 0.8rem 1.4rem;
    border-radius: 3px;
    text-decoration: none;
    font-weight: bold;
    background: #ff6f1a;
    color: #0c0c0c;
    transition: background 0.2s;
    width: 260px;
    text-align: center;
}

.download-buttons a:hover {
    background: #ff853a;
}

.path-note {
    text-align: center;
    color: #ccc;
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.return-links {
    text-align: center;
    margin-top: 3rem;
}

.return-links a {
    margin: 0 1rem;
    text-decoration: none;
    color: #00b8c6;
}

.return-links a:hover {
    text-decoration: underline;
}