/* Page fonts. Archivo with its width axis (the site file has weight only; same design, and the
   later face wins on this page) and Montserrat, the AIBLE display face used inside the examples. */
@font-face { font-family: 'Archivo'; font-style: normal; font-weight: 100 900; font-stretch: 62% 125%; font-display: swap; src: url('../fonts/archivo-wdth-var.woff2') format('woff2'); }
@font-face { font-family: 'Montserrat'; font-style: normal; font-weight: 300 900; font-display: swap; src: url('../fonts/montserrat-var.woff2') format('woff2'); }
/* ============================================================================
   Motion Foundations · page layer
   Sits on top of site-v3/styles.css: same canvas, type, yellow accent, nav and
   footer. Everything here is prefixed mgf- so it never touches site components.
   ============================================================================ */
:root {
  --stage: #0E0B14;
  --mgf-ink: #0B0B0D;
  --mgf-dim: rgba(251, 251, 250, .38);
  --mgf-r: 20px;
  --mgf-ease: cubic-bezier(.16, 1, .3, 1);
}
.mgf { overflow-x: clip; }
.btn--sm { padding: 10px 14px; font-size: 13px; }

/* ------------------------------------------------------------------ hero */
.mgf-hero { position: relative; padding-block: clamp(28px, 5vw, 72px) clamp(48px, 7vw, 96px); }
.mgf-hero .wrap { position: relative; }
.mgf-hero__kicker { margin: 0; }
.mgf-hero__title {
  margin: clamp(10px, 1.6vw, 22px) 0 0; font-family: var(--font-display); font-weight: 800; color: var(--fg);
  font-size: clamp(54px, 13.4vw, 208px); line-height: .84; letter-spacing: -.055em; text-wrap: nowrap;
}
.mgf-hw { display: block; white-space: nowrap; overflow: visible; }
.mgf-hw .c { display: inline-block; transform-origin: 50% 100%; }
.mgf-hw[data-word="2"] { color: transparent; -webkit-text-stroke: max(1.5px, .012em) var(--fg); }
.mgf-idot { display: inline-block; }
.mgf-dot {
  position: absolute; left: 0; top: 0; width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 0 rgba(255, 205, 0, .45); pointer-events: none; z-index: 2;
  transform-origin: 50% 100%; opacity: 0;
}
.mgf-hero__foot { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px 40px; align-items: end; margin-top: clamp(28px, 4vw, 52px); }
.mgf-hero__hud { grid-column: 1 / -1; display: flex; gap: 14px; font: 600 12px/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-mute); cursor: pointer; }
.mgf-hero__hud b { color: var(--accent); font-weight: 600; }
.mgf-stats { display: flex; gap: clamp(22px, 4vw, 56px); flex-wrap: wrap; }
.mgf-stats b { display: block; font: 800 clamp(34px, 4vw, 56px)/1 var(--font-display); letter-spacing: -.04em; color: var(--fg); font-variant-numeric: tabular-nums; }
.mgf-stats span { display: block; margin-top: 8px; font: 600 11px/1.4 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-mute); }
.mgf-hero__cta { display: flex; flex-wrap: wrap; gap: 12px 14px; justify-content: flex-end; }

/* ------------------------------------------------------------------ journey */
.mgf-journey { position: fixed; right: 18px; top: 50%; z-index: 40; display: grid; gap: 14px; transform: translate(0, -50%); opacity: 0; pointer-events: none; transition: opacity .4s var(--ease); }
.mgf-journey.is-on { opacity: 1; pointer-events: auto; }
.mgf-journey__track { position: absolute; right: 7px; top: 4px; bottom: 4px; width: 2px; background: rgba(255, 255, 255, .12); border-radius: 2px; }
.mgf-journey__track i { position: absolute; left: 0; top: 0; width: 100%; height: 0; background: var(--accent); border-radius: 2px; }
.mgf-journey a { position: relative; display: flex; justify-content: flex-end; align-items: center; gap: 10px; text-decoration: none; padding-right: 22px; }
.mgf-journey a::after { content: ""; position: absolute; right: 3px; width: 10px; height: 10px; border-radius: 50%; background: var(--bg); box-shadow: inset 0 0 0 2px rgba(255, 255, 255, .28); transition: box-shadow .3s, background .3s, transform .3s var(--mgf-ease); }
.mgf-journey b { font: 600 11px/1 var(--font-mono); color: var(--fg-mute); letter-spacing: .08em; }
.mgf-journey span { font: 600 11px/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--fg); opacity: 0; transform: translateX(6px); transition: opacity .25s, transform .25s var(--mgf-ease); white-space: nowrap; }
.mgf-journey a:hover span, .mgf-journey a.is-active span { opacity: 1; transform: none; }
.mgf-journey a.is-done::after { background: var(--accent); box-shadow: none; }
.mgf-journey a.is-active::after { background: var(--accent); box-shadow: 0 0 0 5px rgba(255, 205, 0, .22); transform: scale(1.15); }
.mgf-journey a.is-active b { color: var(--accent); }
.mgf-progress { position: fixed; left: 0; right: 0; top: env(safe-area-inset-top, 0px); height: 3px; z-index: 60; pointer-events: none; display: none; }
.mgf-progress i { display: block; height: 100%; width: 100%; background: var(--accent); transform: scaleX(0); transform-origin: 0 50%; }

/* ------------------------------------------------------------------ chapter heads */
.mgf-ch { padding-block: clamp(64px, 8vw, 112px); }
.mgf-head { display: grid; grid-template-columns: auto minmax(0, 1fr); column-gap: clamp(14px, 2vw, 28px); align-items: end; margin-bottom: clamp(26px, 3.4vw, 44px); }
.mgf-head__n { grid-row: 1 / span 2; font: 800 clamp(64px, 9vw, 136px)/.78 var(--font-display); letter-spacing: -.06em; color: transparent; -webkit-text-stroke: 2px var(--accent); font-variant-numeric: tabular-nums; }
.mgf-head__t { margin: 0; font: 800 clamp(38px, 5.6vw, 88px)/.9 var(--font-display); letter-spacing: -.048em; color: var(--fg); text-wrap: balance; }
.mgf-head__t > span { display: inline-block; }
.mgf-head__m { margin: 12px 0 0; font: 600 12px/1.5 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-mute); }

/* ------------------------------------------------------------------ shared stage frame + controls */
.mgf-frame { position: relative; aspect-ratio: 1; width: 100%; max-width: 100%; border-radius: var(--mgf-r); overflow: hidden; background: var(--stage); isolation: isolate; cursor: pointer; }
.mgf-frame > .mgf-layer { position: absolute; inset: 0; }
.mgf-layer .st { position: absolute; left: 0; top: 0; width: 400px; height: 400px; transform-origin: 0 0; overflow: hidden; background: var(--stage); contain: layout paint; }
.mgf-frame.is-paused::after { content: "Paused"; position: absolute; left: 14px; bottom: 14px; z-index: 3; font: 600 11px/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: #fff; background: rgba(11, 11, 13, .72); padding: 7px 9px; border-radius: 6px; }
.mgf-ctl { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.mgf-ic { font: 600 13px/1 var(--font-sans); padding: 11px 14px; border-radius: 12px; background: var(--surface); color: var(--fg); transition: background .2s, transform .2s var(--mgf-ease); }
.mgf-ic:hover { background: var(--surface-2); }
.mgf-ic:active { transform: scale(.94); }
.mgf-ic--main { background: var(--fg); color: var(--mgf-ink); min-width: 78px; }
.mgf-ic--main:hover { background: #fff; }
.mgf-ic[aria-pressed="true"] { background: var(--accent); color: var(--mgf-ink); }
.mgf-speed { display: inline-flex; gap: 2px; padding: 3px; border-radius: 12px; background: var(--surface); }
.mgf-speed button { font: 600 12px/1 var(--font-mono); padding: 9px 10px; border-radius: 9px; color: var(--fg-mute); }
.mgf-speed button:hover { color: var(--fg); }
.mgf-speed button[aria-pressed="true"] { background: var(--accent); color: var(--mgf-ink); }
.mgf-scrub { flex: 1 1 100%; accent-color: var(--accent); height: 18px; }
.mgf-wh { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 10px 14px; margin: 0; }
.mgf-wh dt { font: 600 11px/1.9 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.mgf-wh dd { margin: 0; font-size: clamp(16px, 1.3vw, 19px); line-height: 1.45; color: var(--fg-soft); min-width: 0; }
.mgf-wh code { font: 500 14px/1.5 var(--font-mono); color: var(--fg); background: var(--surface); padding: 3px 8px; border-radius: 6px; white-space: pre-wrap; }
.mgf-code { margin: 0; background: var(--surface); color: var(--fg-soft); border-radius: 12px; padding: 14px 16px; font: 12.5px/1.6 var(--font-mono); overflow: auto; max-height: 210px; white-space: pre; tab-size: 2; min-width: 0; }
.mgf-link { font: 600 14px/1.4 var(--font-sans); color: var(--accent); padding: 0; }
.mgf-link:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ------------------------------------------------------------------ 01 course */
.mgf-course { position: relative; display: grid; gap: 18px; }
.mgf-segs { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; }
.mgf-seg { display: grid; gap: 8px; text-align: left; padding: 0; }
.mgf-seg span { font: 600 11px/1.2 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--fg-mute); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color .25s; }
.mgf-seg i { display: block; height: 4px; border-radius: 3px; background: rgba(255, 255, 255, .14); overflow: hidden; }
.mgf-seg i b { display: block; height: 100%; width: 100%; background: var(--accent); transform: scaleX(0); transform-origin: 0 50%; }
.mgf-seg.is-on span { color: var(--fg); }
.mgf-course__body { display: grid; grid-template-columns: minmax(0, 560px) minmax(0, 1fr); gap: clamp(24px, 4.5vw, 72px); align-items: center; }
.mgf-course__panel { display: grid; gap: 22px; align-content: center; min-width: 0; }
.mgf-course__n { margin: 0; font: 600 13px/1 var(--font-mono); letter-spacing: .1em; color: var(--fg-mute); }
.mgf-course__n b { color: var(--accent); font-weight: 600; }
.mgf-course__t { margin: 0; font: 800 clamp(52px, 7.6vw, 124px)/.86 var(--font-display); letter-spacing: -.055em; color: var(--fg); overflow: hidden; padding-bottom: .06em; }
.mgf-course__t .c { display: inline-block; }
.mgf-course__end { position: absolute; inset: 0; z-index: 5; display: grid; place-content: center; justify-items: center; gap: 16px; text-align: center; background: rgba(11, 11, 13, .9); border-radius: var(--mgf-r); }
.mgf-course__end[hidden] { display: none; }
.mgf-course__end p { margin: 0 0 6px; font: 800 clamp(40px, 6vw, 88px)/.9 var(--font-display); letter-spacing: -.05em; color: var(--fg); }

/* ------------------------------------------------------------------ 02 lab */
.mgf-lab { display: grid; gap: 18px; }
/* all motions wall */
.mgf-wall { --tile: clamp(108px, 12.6vw, 188px); --gap: clamp(8px, .9vw, 14px); position: relative; overflow: hidden; padding-bottom: clamp(8px, 2vw, 20px); }
.mgf-wall__rows { display: grid; row-gap: var(--gap); -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent); mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent); }
.mgf-wall__row { position: relative; height: var(--tile); }
.mgf-wall__tile { position: absolute; left: 0; top: 0; width: var(--tile); height: var(--tile); padding: 0; border-radius: 14px; overflow: hidden; background: var(--stage); cursor: pointer; isolation: isolate; will-change: transform; }
.mgf-wall__tile > .mgf-layer { position: absolute; inset: 0; transition: transform .6s var(--mgf-ease); }
.mgf-wall__name { position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; padding: 26px 10px 9px; font: 600 11px/1.2 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: #FBFBFA; text-align: left; background: linear-gradient(rgba(11, 11, 13, 0), rgba(11, 11, 13, .8)); opacity: 0; transform: translateY(8px); transition: opacity .3s, transform .45s var(--mgf-ease); pointer-events: none; }
.mgf-wall__tile:hover > .mgf-layer, .mgf-wall__tile:focus-visible > .mgf-layer { transform: scale(1.07); }
.mgf-wall__tile:hover .mgf-wall__name, .mgf-wall__tile:focus-visible .mgf-wall__name { opacity: 1; transform: none; }
.mgf-wall__tile:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.mgf-wall__cap { margin: clamp(14px, 1.6vw, 20px) 0 0; font: 600 12px/1.5 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-mute); }
.mgf-wall__cap b { font-weight: 600; color: var(--accent); }
.mgf-tabs-wrap { position: relative; min-width: 0; }
/* the "tap a family" hint: the brand dot hops along the tab underlines, a tap ring pulses, the tag rides above */
.mgf-tabhint { position: absolute; left: 0; top: 0; pointer-events: none; opacity: 0; z-index: 3; }
.mgf-tabhint__dot, .mgf-tabhint__ring, .mgf-tabhint__tip { position: absolute; left: 0; top: 0; }
.mgf-tabhint__dot { width: 10px; height: 10px; margin: -5px 0 0 -5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(255, 205, 0, .18); }
.mgf-tabhint__ring { width: 34px; height: 34px; margin: -17px 0 0 -17px; border-radius: 50%; border: 2px solid var(--accent); opacity: 0; }
.mgf-tabhint__tip { padding: 6px 9px 5px; border-radius: 7px; background: var(--accent); color: var(--mgf-ink); font: 600 11px/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
.mgf-tabhint__tip::after { content: ""; position: absolute; left: var(--cx, 50%); bottom: -4px; width: 8px; height: 8px; margin-left: -4px; background: var(--accent); transform: rotate(45deg); border-radius: 1px; }
.mgf-tab.is-hint { color: var(--fg); }
.mgf-tabs { display: flex; gap: 6px 22px; overflow-x: auto; scrollbar-width: none; padding-bottom: 4px; }
.mgf-tabs::-webkit-scrollbar { display: none; }
.mgf-tab { position: relative; flex: none; padding: 8px 0; font: 600 12px/1.2 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-mute); white-space: nowrap; }
.mgf-tab small { color: var(--fg-dim); margin-left: 6px; font-size: 11px; }
.mgf-tab:hover { color: var(--fg); }
.mgf-tab[aria-selected="true"] { color: var(--fg); }
.mgf-tab[aria-selected="true"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; border-radius: 2px; background: var(--accent); }
.mgf-lab__body { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: clamp(22px, 3.6vw, 56px); align-items: start; }
.mgf-lab__left { display: grid; gap: 12px; min-width: 0; }
.mgf-lab__info { display: grid; gap: 18px; align-content: start; min-width: 0; }
.mgf-lab__idx { margin: 0; font: 600 12px/1.4 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-mute); }
.mgf-lab__idx b { color: var(--accent); font-weight: 600; }
.mgf-lab__t { margin: 0; font: 800 clamp(36px, 4.8vw, 72px)/.92 var(--font-display); letter-spacing: -.048em; color: var(--fg); overflow: hidden; padding-bottom: .06em; text-wrap: balance; }
.mgf-lab__t .c { display: inline-block; }
.mgf-lab__act { display: flex; gap: 10px; flex-wrap: wrap; }
.mgf-names { display: flex; flex-wrap: wrap; gap: 8px; }
.mgf-name { font: 600 13px/1 var(--font-sans); padding: 10px 13px; border-radius: 999px; background: var(--surface); color: var(--fg-soft); transition: background .2s, color .2s, transform .25s var(--mgf-ease); }
.mgf-name:hover { background: var(--surface-2); color: var(--fg); transform: translateY(-2px); }
.mgf-name[aria-selected="true"] { background: var(--accent); color: var(--mgf-ink); }
.mgf-name i { font-style: normal; font: 600 10px/1 var(--font-mono); opacity: .55; margin-left: 6px; }

/* ------------------------------------------------------------------ 03 story */
.mgf-story { display: grid; grid-template-columns: minmax(0, 520px) minmax(0, 1fr); gap: clamp(24px, 4.5vw, 72px); align-items: center; }
.mgf-story__side { display: grid; gap: 26px; min-width: 0; }
.mgf-arc { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.mgf-arc button { width: 100%; display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 2px 14px; text-align: left; padding: 10px 12px; border-radius: 12px; position: relative; overflow: hidden; }
.mgf-arc button:hover { background: var(--surface); }
.mgf-arc .t { grid-row: span 2; font: 600 12px/1.9 var(--font-mono); color: var(--fg-mute); font-variant-numeric: tabular-nums; }
.mgf-arc .n { font: 800 clamp(22px, 2.2vw, 30px)/1.05 var(--font-display); letter-spacing: -.03em; color: var(--mgf-dim); transition: color .3s; }
.mgf-arc .w { font-size: 14px; line-height: 1.4; color: var(--fg-mute); max-height: 0; opacity: 0; transition: max-height .4s var(--mgf-ease), opacity .3s; }
.mgf-arc .bar { position: absolute; left: 0; top: 10px; bottom: 10px; width: 3px; border-radius: 2px; background: var(--accent); transform: scaleY(0); transform-origin: 50% 0; }
.mgf-arc li.is-on .n { color: var(--fg); }
.mgf-arc li.is-on .w { max-height: 40px; opacity: 1; }
.mgf-arc li.is-done .n { color: rgba(251, 251, 250, .62); }
.mgf-tempo { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; }
.mgf-tempo__l, .mgf-tempo__mood { font: 600 11px/1.3 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-mute); }
.mgf-tempo__mood { color: var(--accent); }

/* ------------------------------------------------------------------ 04 formats (yellow island) */
.mgf-make { background: var(--accent); color: var(--mgf-ink); padding-block: clamp(48px, 6vw, 84px); overflow: hidden; }
.mgf-make__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 22px; margin-bottom: clamp(18px, 3vw, 34px); }
.mgf-make .mgf-head__n { -webkit-text-stroke-color: var(--mgf-ink); font-size: clamp(44px, 5vw, 72px); }
.mgf-make__t { margin: 0; font: 800 clamp(30px, 3.6vw, 52px)/1 var(--font-display); letter-spacing: -.04em; color: var(--mgf-ink); }
.mgf-make__m { margin: 0; font: 600 12px/1.4 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: rgba(11, 11, 13, .62); }
.mgf-marquee { display: grid; gap: clamp(2px, .6vw, 8px); }
.mgf-row { display: flex; width: max-content; will-change: transform; }
.mgf-row__set { display: flex; flex: none; }
.mgf-fmt { flex: none; display: inline-flex; align-items: center; gap: .32em; padding: 0 .32em; font: 800 clamp(44px, 7.4vw, 118px)/1.02 var(--font-display); letter-spacing: -.05em; color: var(--mgf-ink); white-space: nowrap; }
.mgf-fmt::after { content: ""; width: .2em; height: .2em; border-radius: 50%; background: var(--mgf-ink); margin-left: .32em; }
.mgf-fmt:hover, .mgf-fmt:focus-visible { color: transparent; -webkit-text-stroke: max(1.5px, .018em) var(--mgf-ink); }
.mgf-row--b .mgf-fmt { color: transparent; -webkit-text-stroke: max(1.5px, .018em) var(--mgf-ink); }
.mgf-row--b .mgf-fmt:hover, .mgf-row--b .mgf-fmt:focus-visible { color: var(--mgf-ink); }
.mgf-make :focus-visible { outline-color: var(--mgf-ink); }

/* ------------------------------------------------------------------ 05 tools */
.mgf-pick { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 64px); align-items: center; }
.mgf-pick__opts { display: flex; flex-wrap: wrap; gap: 8px; }
.mgf-opt { font: 600 14px/1 var(--font-sans); padding: 12px 15px; border-radius: 12px; background: var(--surface); color: var(--fg-soft); transition: background .2s, color .2s, transform .25s var(--mgf-ease); }
.mgf-opt:hover { background: var(--surface-2); color: var(--fg); }
.mgf-opt[aria-selected="true"] { background: var(--accent); color: var(--mgf-ink); }
.mgf-pick__ans { display: grid; gap: 12px; min-width: 0; min-height: 180px; align-content: center; }
.mgf-pick__tool { margin: 0; font: 800 clamp(40px, 5.4vw, 84px)/.92 var(--font-display); letter-spacing: -.05em; color: var(--fg); overflow: hidden; padding-bottom: .06em; text-wrap: balance; }
.mgf-pick__tool .c { display: inline-block; }
.mgf-pick__why { margin: 0; font-size: clamp(16px, 1.3vw, 19px); line-height: 1.45; color: var(--fg-soft); max-width: 44ch; }
.mgf-five { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 280px); gap: clamp(20px, 3vw, 40px); align-items: start; margin-top: clamp(48px, 6vw, 80px); }
.mgf-five__t { margin: 0 0 12px; font: 800 clamp(24px, 2.4vw, 34px)/1 var(--font-display); letter-spacing: -.035em; color: var(--fg); }
.mgf-five__tabs { margin-bottom: 12px; flex-wrap: wrap; }
.mgf-five .mgf-code { max-height: 260px; }
.mgf-frame--sm { cursor: default; }

/* ------------------------------------------------------------------ 06 tips */
.mgf-tips { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(28px, 3vw, 44px) clamp(24px, 3vw, 44px); }
.mgf-tip { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 16px; text-align: left; padding: 0; align-items: start; }
.mgf-tip .n { grid-row: span 3; font: 800 clamp(44px, 4.4vw, 64px)/.82 var(--font-display); letter-spacing: -.06em; color: transparent; -webkit-text-stroke: 1.5px var(--accent); transition: color .3s; }
.mgf-tip:hover .n { color: var(--accent); }
.mgf-tip h3 { margin: 0; font: 800 clamp(20px, 1.8vw, 26px)/1.08 var(--font-display); letter-spacing: -.03em; color: var(--fg); }
.mgf-tip p { margin: 0; font-size: 15px; line-height: 1.5; color: var(--fg-mute); }
.mgf-tip .see { font: 600 13px/1.4 var(--font-sans); color: var(--accent); margin-top: 4px; }

/* ------------------------------------------------------------------ 07 prompts + note */
.mgf-models { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 26px; margin-bottom: 14px; }
.mgf-models__l { flex-basis: 100%; font: 600 12px/1.4 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-mute); }
.mgf-models b { position: relative; padding-left: .7em; font: 800 clamp(26px, 3vw, 40px)/1 var(--font-display); letter-spacing: -.035em; color: var(--fg); }
.mgf-models b::before { content: ""; position: absolute; left: 0; top: .32em; width: .3em; height: .3em; border-radius: 50%; background: var(--accent); }
.mgf-lead { margin: 0 0 clamp(26px, 3vw, 40px); max-width: 58ch; font-size: clamp(16px, 1.35vw, 19px); line-height: 1.5; color: var(--fg-soft); }
.mgf-prompts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 32px; }
.mgf-prompt { display: grid; gap: 10px; align-content: start; min-width: 0; }
.mgf-prompt h3 { margin: 0; font: 800 20px/1.15 var(--font-display); letter-spacing: -.025em; color: var(--fg); }
.mgf-prompt pre { margin: 0; background: var(--surface); color: var(--fg-soft); border-radius: 12px; padding: 14px 16px; font: 12.5px/1.6 var(--font-mono); white-space: pre-wrap; word-break: break-word; }
.mgf-prompt .btn { justify-self: start; }
.mgf-note { margin-top: clamp(48px, 6vw, 72px); max-width: 78ch; }
.mgf-note p { margin: 0; font-size: 13.5px; line-height: 1.65; color: var(--fg-dim); }
.mgf-note b { color: var(--fg-mute); font-weight: 600; }
.mgf-note em { font-style: normal; color: var(--fg-mute); }
.mgf-note a { color: var(--fg-mute); text-decoration: underline; text-decoration-color: rgba(255, 255, 255, .25); text-underline-offset: 3px; }
.mgf-note a:hover { color: var(--fg); text-decoration-color: var(--accent); }
.mgf-ch--last { padding-bottom: clamp(24px, 3vw, 40px); }

.mgf-toast { position: fixed; left: 50%; bottom: calc(22px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); background: var(--fg); color: var(--mgf-ink); padding: 10px 16px; border-radius: 10px; font: 600 14px var(--font-sans); opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 90; }
.mgf-toast.on { opacity: 1; }

/* ------------------------------------------------------------------ responsive */
@media (max-width: 1500px) { .mgf-journey { display: none; } .mgf-progress { display: block; } }
@media (max-width: 960px) {
  .mgf-course__body, .mgf-lab__body, .mgf-story, .mgf-pick, .mgf-five { grid-template-columns: minmax(0, 1fr); }
  .mgf-course__body > .mgf-frame, .mgf-story > .mgf-frame { max-width: 560px; }
  .mgf-tips { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mgf-prompts { grid-template-columns: minmax(0, 1fr); }
  .mgf-hero__foot { grid-template-columns: minmax(0, 1fr); }
  .mgf-hero__cta { justify-content: flex-start; }
  .mgf-five .mgf-frame { max-width: 320px; }
}
@media (max-width: 640px) {
  /* phones: keep each chapter head to its number and title */
  .mgf-head__m, .mgf-make__m { display: none; }
  .mgf-head { align-items: center; }
  .mgf-head__n { grid-row: auto; }
  /* six lesson names do not fit a phone row: number the segments instead (the lesson title below names it) */
  .mgf-segs { gap: 6px; counter-reset: seg; }
  .mgf-seg span { display: none; }
  .mgf-seg::before { counter-increment: seg; content: "0" counter(seg); font: 600 11px/1.2 var(--font-mono); letter-spacing: .08em; color: var(--fg-mute); transition: color .25s; }
  .mgf-seg.is-on::before { color: var(--fg); }
  .mgf-tips { grid-template-columns: minmax(0, 1fr); }
  .mgf-names { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin-inline: calc(var(--gutter) * -1); padding-inline: var(--gutter); padding-bottom: 4px; }
  .mgf-names::-webkit-scrollbar { display: none; }
  .mgf-name { flex: none; }
  .mgf-lab__body { gap: 18px; }
  .mgf-lab__info { order: 2; }
  .mgf-head__n { -webkit-text-stroke-width: 1.5px; }
  .mgf-hero__cta .btn { flex: 1 1 auto; }
  .mgf-hero__title { font-size: 15.2vw; line-height: .9; }
  .mgf-course__panel { gap: 16px; }
  .mgf-arc .w { display: none; }
}
/* touch screens: finger-sized hit areas (about 40 px) without changing the look on desktop */
@media (pointer: coarse) {
  .mgf-seg { padding-block: 10px; margin-block: -10px; }
  .mgf-tab { padding-block: 13px; }
  .mgf-speed button { padding: 13px 12px; }
  .mgf-link { display: inline-block; padding-block: 10px; }
  .mgf-scrub { height: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  .mgf-name, .mgf-opt, .mgf-ic { transition: none; }
}