* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #e8e8e8;
  background:
    linear-gradient(rgba(0,0,0,.45), rgba(0,0,0,.65)),
    repeating-linear-gradient(
      45deg,
      #21351f 0,
      #21351f 16px,
      #1a2b19 16px,
      #1a2b19 32px
    );
}

.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px;
}

header {
  background: #202020;
  border: 3px solid #4b7f35;
  padding: 24px;
  text-align: center;
  box-shadow: 0 6px 0 #111;
  margin-bottom: 22px;
}

.logo-box {
  width: 768px;
  max-width: 100%;
  height: 256px;
  margin: 0 auto 18px;
  border: 2px dashed #79c753;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9ee37d;
  background: #151515;
  font-size: 18px;
}

header img {
  width: 768px;
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 18px;
}

h1 {
  margin: 0;
  font-size: 34px;
  text-shadow: 3px 3px #000;
}

.subtitle {
  color: #cfcfcf;
  margin-top: 8px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

nav a,
.small-btn {
  color: #fff;
  background: #2f7d32;
  border: 2px solid #7ed957;
  padding: 8px 12px;
  text-decoration: none;
  font-weight: bold;
  font-size: 14px;
  box-shadow: inset 0 -3px rgba(0,0,0,.35);
}

nav a:hover,
.small-btn:hover {
  background: #3c9a40;
}

.grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
}

.card {
  background: rgba(25,25,25,.96);
  border: 2px solid #4a4a4a;
  padding: 18px;
  margin-bottom: 18px;
  box-shadow: 0 4px 0 #0b0b0b;
}

.card h2 {
  margin-top: 0;
  color: #9ee37d;
  text-shadow: 2px 2px #000;
}

.note {
  border-color: #c89b2f;
  background: rgba(55,42,15,.96);
}

code {
  background: #080808;
  border: 1px solid #555;
  padding: 2px 6px;
  color: #a8ff9d;
}

ul,
ol {
  line-height: 1.7;
  padding-left: 22px;
}

.downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-block;
  background: #111;
  border: 1px solid #555;
  padding: 5px 8px;
  margin: 3px;
  font-size: 13px;
  color: #ddd;
}

.guide-link {
  display: inline-block;
  margin-top: 16px;
  color: #111;
  background: #ffd84d;
  border: 3px solid #fff1a8;
  padding: 12px 16px;
  text-decoration: none;
  font-weight: bold;
  font-size: 16px;
  box-shadow: 0 4px 0 #8a6a00;
}

.guide-link:hover {
  background: #ffe680;
}

footer {
  text-align: center;
  opacity: .75;
  font-size: 13px;
  padding: 20px 0;
}

@media (max-width: 800px) {
  .grid { grid-template-columns: 1fr; }
  h1 { font-size: 28px; }
  .logo-box { height: 160px; }
}
.screen-link {
  display: block;
  margin-top: 16px;
  border: 2px solid #4b7f35;
  background: #111;
  padding: 8px;
  text-decoration: none;
}

.screen-link img {
  display: block;
  width: 100%;
  max-width: 900px;
  height: auto;
  margin: 0 auto;
  border: 1px solid #333;
}

.screen-link:hover {
  border-color: #9ee37d;
}