:root {
  --bg: #0a111a;
  --card: #101a28;
  --ink: #dff1ff;
  --muted: #8fb2cd;
  --accent: #57c8ff;
  --line: #1f3f59;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: linear-gradient(180deg, #0f1d2c, var(--bg));
  color: var(--ink);
  font-family: "Lucida Console", Monaco, monospace;
  padding: 20px 14px 28px;
}

header {
  width: min(1020px, 100%);
  margin: 0 auto 14px;
}
header h1 { margin: 0; font-size: clamp(30px, 5vw, 52px); }
header p { color: var(--muted); margin: 8px 0 0; }

.split {
  width: min(1020px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 10px;
}
section { display: grid; gap: 10px; }
section article, aside section {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 10px;
  padding: 12px;
}
.feature {
  background: linear-gradient(140deg, #132132, #0f1b2a);
}
.label { color: var(--accent); font-size: 12px; text-transform: uppercase; }
article h2, article h3 { margin: 8px 0; color: var(--accent); }
article p { margin: 0; color: var(--muted); line-height: 1.5; }

aside { display: grid; gap: 10px; align-self: start; }
pre {
  margin: 0;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #254965;
  background: #0b131d;
  color: #9ed8ff;
  overflow: auto;
}
table { width: 100%; border-collapse: collapse; }
th, td { padding: 6px; border-top: 1px solid #295372; text-align: left; }
th { color: var(--accent); }
td { color: var(--muted); }

footer {
  width: min(1020px, 100%);
  margin: 14px auto 0;
  color: var(--muted);
}

@media (max-width: 920px) {
  .split { grid-template-columns: 1fr; }
}

.inline-badge {
  width: 84px;
  height: 84px;
  display: block;
  margin-top: 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 8px;
  background: rgba(255, 255, 255, 0.05);
}

.media-block {
  margin: 12px 0;
}

.media-block img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #0a0f1e;
}

.media-block figcaption {
  margin-top: 7px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.longform {
  grid-column: 1 / -1;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
}

.longform .tag,
.longform .label {
  display: inline-block;
  margin: 0 0 8px;
}

.longform h2 {
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 44px);
}

.longform p {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.65;
}

.longform .chapter {
  margin: 16px 0 8px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.longform ul,
.longform ol {
  margin: 0 0 12px;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 7px;
}