/* Training family shell (modules/training/pages.mjs). Structure only: every
   color, font and radius comes from /site-theme.css (training_site_themes).
   Anchor: the bootybuild program-dashboard landing; Nike hero spacing. */
.tf{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body,var(--sans));font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.tf *,.tf *::before,.tf *::after{box-sizing:border-box}
.tf a{color:inherit;text-underline-offset:.18em}
.tf a:hover{color:var(--accent)}
.tf :focus-visible{outline:3px solid var(--focus-ring);outline-offset:2px}
.tf-skip{position:absolute;left:-999px;top:8px;padding:8px 12px;background:var(--panel);z-index:10}
.tf-skip:focus{left:8px}
.tf h1,.tf h2,.tf h3{font-family:var(--font-display);color:var(--text-strong);line-height:1.1;margin:0 0 .5em}
.tf h1{font-size:clamp(2.25rem,6vw,4.25rem);letter-spacing:-.02em;max-width:18ch}
.tf h2{font-size:clamp(1.5rem,3vw,2.1rem)}
.tf h3{font-size:1.2rem}
.tf-eyebrow{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 .75em;font-family:var(--font-body,var(--sans));font-weight:600}
.tf-lead{font-size:clamp(1.05rem,2vw,1.25rem);color:var(--muted);max-width:60ch;margin:0 0 1.5em}

/* Header: wordmark left, quiet nav, one filled action. */
.tf-header{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:14px clamp(18px,4vw,48px);background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--border)}
.tf-brand{text-decoration:none;font-family:var(--font-wordmark,var(--font-display));font-size:1.35rem;font-weight:700;letter-spacing:-.01em;color:var(--text-strong)}
.tf-tld{color:var(--accent)}
.tf-nav{display:flex;align-items:center;gap:clamp(12px,2vw,24px);flex-wrap:wrap;font-size:.95rem}
.tf-nav a:not(.ui-btn){text-decoration:none;color:var(--muted)}
.tf-nav a:not(.ui-btn):hover{color:var(--text-strong)}
.tf a.ui-btn.solid,.tf button.ui-btn.solid{background:var(--accent);color:var(--on-accent);border-color:var(--accent);border-radius:var(--radius2)}
.tf a.ui-btn.solid:hover,.tf button.ui-btn.solid:hover{background:var(--accent-dim);color:var(--on-accent)}
.tf a.ui-btn.line{border-radius:var(--radius2);color:var(--text-strong);border-color:var(--border2)}
.tf-cta{padding-inline:16px}

.tf-main{max-width:1180px;margin:0 auto;padding:0 clamp(18px,4vw,48px)}
.tf-hero{padding:clamp(48px,9vw,112px) 0 clamp(32px,5vw,56px)}
.tf-hero--compact{padding:clamp(32px,6vw,72px) 0 24px}
.tf-actions{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 28px}
.tf-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:8px}
.tf-tile{padding:18px 20px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--border)}
.tf-tile strong{display:block;font-family:var(--font-display);font-size:2rem;line-height:1;color:var(--text-strong);font-variant-numeric:tabular-nums}
.tf-tile span{font-size:.85rem;color:var(--muted)}

.tf-section{padding:clamp(28px,5vw,56px) 0;border-top:1px solid var(--border)}
.tf-section__head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.tf-section__head h2{margin:0}
.tf-section__head a{font-size:.95rem;color:var(--accent)}
.tf-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.tf-grid--steps{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.tf-grid--steps p{color:var(--muted);margin:0}

/* Program card: cover art from the brand color, data below (uruguide grammar). */
.tf-card{display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;background:var(--panel);border:1px solid var(--border);transition:transform .2s ease,box-shadow .2s ease}
.tf-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg,0 12px 40px rgba(0,0,0,.12))}
.tf-card__cover{display:flex;align-items:flex-end;aspect-ratio:16/9;padding:14px;text-decoration:none;color:var(--on-accent);font-family:var(--font-display);font-size:1.6rem;background:linear-gradient(var(--tf-angle,135deg),var(--accent),color-mix(in oklab,var(--accent) var(--tf-mix,50%),var(--bg)))}
.tf-card__body{padding:18px 20px 20px}
.tf-card__body h3{margin:.1em 0 .4em}
.tf-card__body h3 a{text-decoration:none}
.tf-card__body p{margin:0 0 .6em;color:var(--muted);font-size:.95rem}
.tf-card__meta{font-size:.85rem;font-variant-numeric:tabular-nums}
.tf-guide{padding:22px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--border)}
.tf-guide h3 a{text-decoration:none}
.tf-guide p:last-child{color:var(--muted);margin:0;font-size:.95rem}

.tf-faq-teaser details{border-bottom:1px solid var(--border);padding:14px 0}
.tf-faq-teaser summary{cursor:pointer;font-weight:600;color:var(--text-strong)}
.tf-faq-teaser details p{color:var(--muted);margin:.6em 0 0}

/* Reading: guides, FAQ, program weeks. */
.tf-crumbs{padding-top:24px;font-size:.9rem;color:var(--muted)}
.tf-article{max-width:760px}
.tf-article__head{padding:clamp(24px,5vw,56px) 0 8px}
.tf-byline{font-size:.9rem;color:var(--muted)}
.tf-prose{max-width:72ch}
.tf-prose h2{margin-top:1.6em}
.tf-prose h3{margin-top:1.3em}
.tf-prose p,.tf-prose li{color:var(--text)}
.tf-prose p,.tf-prose ul,.tf-prose ol{margin:0 0 1em}
.tf-prose li{margin:.3em 0}
.tf-prose a{color:var(--accent);text-decoration:underline}
.tf-prose blockquote{margin:1.5em 0;padding:4px 0 4px 20px;border-left:4px solid var(--accent);font-family:var(--font-display);font-size:1.15rem;color:var(--text-strong)}
.tf-prose blockquote p{color:inherit}
.tf-prose table{width:100%;border-collapse:collapse;font-size:.95rem}
.tf-prose th,.tf-prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}
.tf-prose code{font-family:var(--mono);font-size:.9em}
.tf pre{overflow:auto;padding:16px;border-radius:var(--radius2);background:var(--panel2);font-family:var(--mono);font-size:.85rem}
.table-wrap{overflow-x:auto}
.tf-week{margin-top:12px}
.tf-week table{width:100%;border-collapse:collapse;font-size:.95rem}
.tf-week th,.tf-week td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);font-variant-numeric:tabular-nums}
.tf-sources{margin-top:2em;font-size:.9rem;color:var(--muted)}
.tf-sources a{color:var(--muted);word-break:break-word}
.tf-callout{margin:2.5em 0;padding:24px;border-radius:var(--radius);background:var(--accent-muted);border:1px solid var(--border)}
.tf-callout h2{margin-top:0}
.tf textarea{width:100%;min-height:220px;font-family:var(--mono)}
.tf label{display:block;margin:16px 0 8px}

.tf-footer{margin-top:48px;padding:40px clamp(18px,4vw,48px);border-top:1px solid var(--border);background:var(--panel2);display:grid;grid-template-columns:minmax(220px,1fr) 2fr;gap:32px}
.tf-footer p{color:var(--muted);font-size:.92rem;max-width:42ch}
.tf-footer h2{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-family:var(--font-body,var(--sans))}
.tf-family ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:6px 16px;font-size:.92rem}
.tf-family a{text-decoration:none;color:var(--text)}
.tf-legal a{color:var(--muted)}
@media (max-width:720px){.tf-footer{grid-template-columns:1fr}.tf-header{position:static}.tf-nav{font-size:.9rem;gap:12px}}
@media (prefers-reduced-motion:reduce){.tf-card{transition:none}.tf-card:hover{transform:none}}
.tf-quote{margin:0;max-width:72ch}
.tf-quote blockquote{margin:0;padding:4px 0 4px 20px;border-left:4px solid var(--accent)}
.tf-quote blockquote p:first-child{font-family:var(--font-display);font-size:clamp(1.15rem,2.4vw,1.5rem);line-height:1.35;color:var(--text-strong)}
.tf-quote blockquote p{margin:0 0 .6em;color:var(--muted)}
.tf-quote blockquote a,.tf-quote figcaption a{color:var(--accent)}
.tf-quote figcaption{margin-top:12px;font-size:.9rem;color:var(--muted)}
/* Links inside running text never rely on color alone (WCAG 1.4.1). */
.tf-prose a,.tf-quote a,.tf-lead a,.tf-faq-teaser a,.tf-footer p a{text-decoration:underline;text-underline-offset:.18em}