:root {
  --marketing-bg: #171923;
  --marketing-panel: #1e202c;
  --marketing-border: #343744;
  --marketing-text: #f5f2e8;
  --marketing-muted: #9b9ca7;
  --marketing-accent: #f7b51f;
  --marketing-purple: #a78bfa;
}

.marketing-content {
  width: 100%;
  margin: 72px auto 16px;
  padding: 56px clamp(20px, 5vw, 64px);
  box-sizing: border-box;
  border-top: 1px solid var(--marketing-border);
  color: var(--marketing-text);
  background: linear-gradient(180deg, rgba(30, 32, 44, 0.15), rgba(30, 32, 44, 0.72));
}
.marketing-eyebrow { margin: 0 0 10px; color: var(--marketing-accent); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.16em; }
.marketing-content h1 { max-width: 760px; margin: 0; font: 600 clamp(2rem, 5vw, 4rem)/0.98 "Barlow Condensed", sans-serif; letter-spacing: -0.02em; text-transform: uppercase; }
.marketing-lead { max-width: 760px; margin: 20px 0 36px; color: var(--marketing-muted); font-size: 1rem; line-height: 1.75; }
.marketing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.marketing-grid article { min-width: 0; padding: 24px; border: 1px solid var(--marketing-border); background: rgba(23, 25, 35, 0.82); }
.marketing-card-number { color: var(--marketing-accent); font: 600 0.72rem/1 "Share Tech Mono", monospace; }
.marketing-grid h2 { margin: 24px 0 10px; color: var(--marketing-text); font: 600 1.4rem/1.05 "Barlow Condensed", sans-serif; text-transform: uppercase; }
.marketing-grid p { min-height: 94px; color: var(--marketing-muted); font-size: 0.88rem; line-height: 1.6; }
.marketing-grid a,
.guide-links a,
.site-footer a,
.train-guide-links a { color: var(--marketing-accent); text-decoration: none; }
.marketing-grid a { display: block; margin-top: 8px; font-size: 0.82rem; font-weight: 650; }
.marketing-grid a:hover,
.guide-links a:hover,
.site-footer a:hover,
.train-guide-links a:hover { color: #fff; }
.guide-links { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 26px; font-size: 0.84rem; }
.site-footer { display: flex; justify-content: space-between; gap: 20px; width: 100%; padding: 22px 24px 30px; box-sizing: border-box; color: #777985; font-size: 0.76rem; }
.site-footer nav { display: flex; gap: 16px; }
.site-footer--compact { padding-top: 12px; }
.train-guide-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; margin-top: 14px; font-size: 0.75rem; }

.content-page {
  margin: 0;
  min-height: 100vh;
  color: var(--marketing-text);
  background: var(--marketing-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.content-shell { width: min(100% - 32px, 980px); margin: 0 auto; }
.content-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--marketing-border); }
.content-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--marketing-text); text-decoration: none; font: 600 0.85rem/1 "Share Tech Mono", monospace; letter-spacing: 0.08em; }
.content-brand img { width: 30px; height: 30px; }
.content-nav { display: flex; align-items: center; gap: 16px; }
.content-nav a { color: var(--marketing-muted); font-size: 0.78rem; text-decoration: none; }
.content-nav a:hover { color: var(--marketing-accent); }
.content-hero { padding: clamp(52px, 9vw, 104px) 0 54px; border-bottom: 1px solid var(--marketing-border); }
.content-hero .marketing-eyebrow { margin-bottom: 14px; }
.content-hero h1 { max-width: 820px; margin: 0; font: 600 clamp(2.7rem, 8vw, 6.6rem)/0.9 "Barlow Condensed", sans-serif; letter-spacing: -0.035em; text-transform: uppercase; }
.content-summary { max-width: 720px; margin: 28px 0 0; color: var(--marketing-muted); font-size: clamp(1rem, 2vw, 1.18rem); line-height: 1.7; }
.content-cta { display: inline-flex; align-items: center; margin-top: 28px; padding: 12px 17px; border: 1px solid var(--marketing-accent); color: #171923; background: var(--marketing-accent); text-decoration: none; font-size: 0.82rem; font-weight: 750; }
.content-main { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 56px; padding: 56px 0 84px; }
.content-article { min-width: 0; }
.content-article h2 { margin: 48px 0 12px; color: var(--marketing-text); font: 600 1.85rem/1.05 "Barlow Condensed", sans-serif; text-transform: uppercase; }
.content-article h2:first-child { margin-top: 0; }
.content-article h3 { margin: 30px 0 10px; font-size: 1rem; color: var(--marketing-accent); }
.content-article p,
.content-article li { color: #b5b5be; font-size: 0.94rem; line-height: 1.75; }
.content-article ul,
.content-article ol { padding-left: 20px; }
.content-article strong { color: var(--marketing-text); }
.content-article a { color: var(--marketing-accent); }
.content-note { margin: 26px 0; padding: 18px 20px; border-left: 3px solid var(--marketing-purple); background: var(--marketing-panel); }
.content-note p { margin: 0; }
.content-aside { align-self: start; position: sticky; top: 20px; padding: 18px; border: 1px solid var(--marketing-border); background: var(--marketing-panel); }
.content-aside strong { display: block; margin-bottom: 12px; color: var(--marketing-text); font-size: 0.75rem; letter-spacing: 0.12em; }
.content-aside a { display: block; padding: 8px 0; color: var(--marketing-muted); font-size: 0.78rem; line-height: 1.35; text-decoration: none; border-bottom: 1px solid #2f313d; }
.content-aside a:hover { color: var(--marketing-accent); }
.content-footer { border-top: 1px solid var(--marketing-border); padding: 28px 0 40px; color: #777985; font-size: 0.76rem; }
.content-footer nav { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 10px; }
.content-footer a { color: var(--marketing-muted); }

@media (max-width: 760px) {
  .marketing-content { margin-top: 48px; padding: 40px 18px; }
  .marketing-grid { grid-template-columns: 1fr; }
  .marketing-grid p { min-height: 0; }
  .site-footer { flex-direction: column; }
  .content-header { align-items: flex-start; }
  .content-nav { flex-wrap: wrap; justify-content: flex-end; }
  .content-main { grid-template-columns: 1fr; gap: 36px; }
  .content-aside { position: static; }
}