/* Gradum Strength — styled with the Gradum Academy design system.
   Tokens come from brand/colors_and_type.css (Bebas Neue display, Inter UI,
   ink / canvas / soft-cloud chrome, one --ga-pitch moment per viewport). */
@import url("brand/colors_and_type.css");

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--ga-canvas); color: var(--ga-ink);
  font: var(--ga-type-body-md);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }

/* ---------- nav ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10; background: var(--ga-canvas);
  height: 60px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--ga-space-xl);
  box-shadow: inset 0 -1px 0 var(--ga-hairline-soft);
}
.brand { display: flex; align-items: center; gap: var(--ga-space-md); }
.brand img { width: 36px; height: 36px; display: block; }
.brand span { font: var(--ga-type-body-strong); font-weight: 600; }
.topbar nav a { font: var(--ga-type-body-strong); padding: var(--ga-space-xs) 0; }
.topbar nav a:hover { opacity: 0.85; }

.container { max-width: 960px; margin: 0 auto; padding: var(--ga-space-section) var(--ga-space-xl) 96px; }

/* ---------- type ---------- */
h1 {
  font: var(--ga-type-display-campaign); font-size: clamp(64px, 12vw, 128px); line-height: 0.85;
  text-transform: uppercase; margin: 0 0 var(--ga-space-lg);
}
h1::after {
  /* the one pitch moment on the page */
  content: ""; display: block; width: 48px; height: 4px; margin-top: var(--ga-space-lg);
  background: var(--ga-pitch);
}
h2 { font: var(--ga-type-quote-pull); font-size: 40px; text-transform: uppercase; margin: var(--ga-space-section) 0 var(--ga-space-md); }
.eyebrow {
  font: var(--ga-type-caption-sm); text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ga-mute); margin: var(--ga-space-section) 0 var(--ga-space-sm);
}
.eyebrow:first-of-type { margin-top: var(--ga-space-xxl); }
.lede { font: var(--ga-type-body-md); color: var(--ga-ash); margin: 0 0 var(--ga-space-sm); max-width: 60ch; }
.notes { margin: 0 0 var(--ga-space-sm); padding: 0; list-style: none; color: var(--ga-ash); max-width: 60ch; }
.notes li { margin: 0 0 var(--ga-space-sm); padding-left: var(--ga-space-lg); position: relative; }
.notes li::before { content: ""; position: absolute; left: 0; top: .7em; width: 8px; height: 1px; background: var(--ga-ink); }

/* ---------- list rows ---------- */
.rows { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ga-hairline); }
.rows > li { border-bottom: 1px solid var(--ga-hairline-soft); }
.row {
  display: flex; align-items: center; justify-content: space-between; gap: var(--ga-space-lg);
  padding: var(--ga-space-lg) 0; transition: opacity var(--ga-dur-fast) var(--ga-ease-enter);
}
.row:hover { opacity: 0.85; }
.row .t { font: var(--ga-type-lower-third-name); font-size: 36px; text-transform: uppercase; }
.row .s { font: var(--ga-type-caption-md); color: var(--ga-mute); margin-top: var(--ga-space-xs); }
.row .arrow { flex: none; width: 40px; height: 40px; border-radius: var(--ga-radius-full); background: var(--ga-soft-cloud);
  display: inline-flex; align-items: center; justify-content: center; }
.row .arrow svg { width: 18px; height: 18px; stroke: var(--ga-ink); }

/* ---------- workout page ---------- */
.format { font: var(--ga-type-heading-md); font-size: 18px; line-height: 1.5; margin: 0 0 var(--ga-space-xl); max-width: 60ch; }
.ex { padding: var(--ga-space-lg) 0; }
.ex .head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--ga-space-md); }
.ex .n { font: var(--ga-type-caption-sm); color: var(--ga-mute); margin-right: var(--ga-space-md); font-variant-numeric: tabular-nums; }
.ex .t { font: var(--ga-type-lower-third-name); font-size: 36px; text-transform: uppercase; }
.ex .t:hover { opacity: 0.85; }
.ex .reps { font: var(--ga-type-lower-third-name); font-size: 36px; text-transform: uppercase; text-align: right; flex: 0 1 auto; max-width: 45%; font-variant-numeric: tabular-nums; }
.ex .s { font: var(--ga-type-caption-md); color: var(--ga-mute); margin-top: var(--ga-space-xs); }
.ex .s b { color: var(--ga-ink); font-weight: 600; }
.ex .actions { margin-top: var(--ga-space-md); }
.ex.rest { background: var(--ga-soft-cloud); padding: var(--ga-space-md) var(--ga-space-lg); margin: var(--ga-space-xs) 0; }
.ex.rest .t, .ex.rest .reps { font-size: 24px; }

/* ---------- buttons: pill only ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 48px; padding: 0 32px; border: 0; border-radius: var(--ga-radius-lg);
  background: var(--ga-ink); color: var(--ga-on-primary);
  font: var(--ga-type-button-md); cursor: pointer;
  transition: transform var(--ga-dur-fast) var(--ga-ease-enter), opacity var(--ga-dur-fast) var(--ga-ease-enter);
}
.btn:hover { opacity: 0.85; }
.btn:active { transform: scale(0.97); opacity: 0.85; }
.btn.ghost { background: var(--ga-soft-cloud); color: var(--ga-ink); }
.btn.sm { height: 36px; padding: 0 18px; font: var(--ga-type-button-sm); }

/* ---------- how-to ---------- */
.howto { padding: var(--ga-space-lg) 0 var(--ga-space-sm); }
.howto[hidden] { display: none; }
.two-col { display: grid; grid-template-columns: 1fr; gap: var(--ga-space-xl); }
@media (min-width: 720px) { .two-col { grid-template-columns: 1fr 1fr; } }
.steps { margin: 0 0 var(--ga-space-lg); padding-left: 20px; }
.steps li { margin-bottom: var(--ga-space-sm); }
.cues { margin: 0; padding: 0; list-style: none; color: var(--ga-mute); font: var(--ga-type-caption-md); }
.cues li { padding-left: var(--ga-space-lg); position: relative; margin-bottom: var(--ga-space-xs); }
.cues li::before { content: ""; position: absolute; left: 0; top: .7em; width: 8px; height: 1px; background: var(--ga-ink); }
.video { aspect-ratio: 16 / 9; background: var(--ga-ink); overflow: hidden; }
.video iframe { width: 100%; height: 100%; border: 0; display: block; }
.video-missing {
  aspect-ratio: 16 / 9; background: var(--ga-soft-cloud);
  display: flex; align-items: center; justify-content: center; text-align: center; padding: var(--ga-space-lg);
}
.yt { display: inline-block; margin-top: var(--ga-space-sm); font: var(--ga-type-caption-md); color: var(--ga-mute); text-decoration: underline; text-underline-offset: 3px; }
.yt:hover { color: var(--ga-ink); }
.swap { display: flex; gap: var(--ga-space-sm); flex-wrap: wrap; margin-top: var(--ga-space-lg); }
.detail { font: var(--ga-type-body-md); color: var(--ga-mute); margin: 0 0 var(--ga-space-xl); }
.detail b { color: var(--ga-ink); font-weight: 600; }

.back { display: inline-block; font: var(--ga-type-caption-md); color: var(--ga-mute); margin-bottom: var(--ga-space-xl); }
.back:hover { color: var(--ga-ink); }
.empty { color: var(--ga-mute); padding: var(--ga-space-xl) 0; }

/* ---------- footer ---------- */
.foot {
  max-width: 960px; margin: 0 auto; padding: var(--ga-space-xl); border-top: 1px solid var(--ga-hairline);
  display: flex; align-items: center; gap: var(--ga-space-md); font: var(--ga-type-caption-sm); color: var(--ga-mute);
}
.foot img { width: 24px; height: 24px; opacity: 0.7; }

@media (max-width: 600px) {
  .row .t, .ex .t, .ex .reps { font-size: 28px; }
  h2 { font-size: 32px; }
}