/* Styling for the two written pages (landing + exercises). Loads on top of
   app.css so the whole site reads as one product. */

.site-wrap { max-width: 860px; margin: 0 auto; padding: 40px 24px 90px; }

.hero { padding: 52px 24px 40px; background: var(--navy); color: #e8eef4; }
.hero .inner { max-width: 860px; margin: 0 auto; }
.hero h1 { font-size: 34px; margin: 0 0 12px; font-weight: 600; letter-spacing: -.4px; }
.hero p { font-size: 17px; margin: 0 0 24px; color: #c6d3de; max-width: 620px; }
.hero .cta { display: flex; gap: 10px; flex-wrap: wrap; }
.hero .btn { padding: 10px 20px; }

.prose h2 { font-size: 20px; margin: 38px 0 12px; font-weight: 600; }
.prose h3 { font-size: 16px; margin: 26px 0 8px; font-weight: 600; }
.prose p, .prose li { font-size: 15px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-bottom: 7px; }

.prose pre {
  background: #1d2c3d;
  color: #e6edf3;
  padding: 14px 16px;
  border-radius: 5px;
  overflow-x: auto;
  font-family: Consolas, "SFMono-Regular", Menlo, monospace;
  font-size: 13px;
  line-height: 1.55;
}

.prose pre code { color: inherit; }
.prose code { background: #e8eef3; padding: 1px 5px; border-radius: 3px; }
.prose pre code { background: none; padding: 0; }

.ex {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  border-radius: 0 5px 5px 0;
  padding: 16px 18px;
  margin-bottom: 14px;
}

.ex h3 { margin: 0 0 6px; font-size: 15px; }
.ex p { margin: 0 0 8px; }
.ex p:last-child { margin-bottom: 0; }
.ex .trap { color: var(--amber); font-size: 14px; }
.ex .trap strong { color: #8a5806; }

.level {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 40px 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--line);
}

.level h2 { margin: 0; }
.level .tag { font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--ink-soft); }

.site-foot {
  border-top: 1px solid var(--line);
  padding: 22px 24px;
  color: var(--ink-soft);
  font-size: 13px;
  text-align: center;
}