/* Learn / knowledge verticals — concept prototype styles, layered on top of ../styles.css */

.preview-banner {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1rem;
  align-items: baseline;
  justify-content: center;
  padding: .55rem var(--pad);
  background: var(--amber);
  color: #201400;
  font-size: .82rem;
  text-align: center;
}

.learn-main {
  width: min(100%, 980px);
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 3rem) var(--pad) 5rem;
}
.learn-main h1 { font-size: clamp(1.8rem, 4.5vw, 2.8rem); letter-spacing: -.03em; margin: 0 0 .6rem; }
.learn-main h2 { font-size: clamp(1.25rem, 2.6vw, 1.6rem); margin: 0 0 .4rem; }
.learn-lead { color: var(--muted); max-width: 66ch; margin: 0 0 1.8rem; font-size: 1.02rem; }
.learn-block { margin: 2.6rem 0; }
.learn-block > p { color: var(--muted); max-width: 70ch; }
.kicker {
  margin: 0 0 .6rem;
  color: var(--dim);
  font-size: .72rem;
  font-weight: 750;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.crumbs { display: flex; flex-wrap: wrap; gap: .35rem; margin: 0 0 1.4rem; font-size: .8rem; color: var(--dim); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--cyan); }

.demo-pill {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  border: 1px solid var(--coral);
  color: var(--coral);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: .3rem .7rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

/* medical safety strip — present on every medicine page */
.safety-strip {
  border: 1px solid rgba(255,128,108,.45);
  background: rgba(255,128,108,.06);
  border-radius: 12px;
  padding: .8rem 1rem;
  margin: 0 0 1.8rem;
  font-size: .86rem;
  color: var(--ink);
}
.safety-strip strong { color: var(--coral); }

/* generic card grid */
.card-grid { display: grid; gap: .9rem; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-2);
  padding: 1rem 1.1rem;
  color: var(--ink);
  text-align: left;
  font: inherit;
}
.card h3 { margin: 0 0 .35rem; font-size: 1rem; }
.card p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.5; }
.card .card-note {
  display: inline-block;
  margin-top: .6rem;
  font-size: .7rem;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: .04em;
}
a.card { text-decoration: none; display: block; }
a.card:hover, a.card:focus-visible, button.card:hover, button.card:focus-visible { border-color: var(--cyan); }
button.card { cursor: pointer; }
button.card.is-selected { border-color: var(--lime); background: rgba(184,243,74,.07); }

/* choose your world */
.world-card.is-active { border-color: var(--lime); background: rgba(184,243,74,.07); }
.world-card.is-roadmap { opacity: .62; }
.world-card .world-tag {
  display: inline-block;
  margin-bottom: .6rem;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: .18rem .5rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--dim);
}
.world-card.is-active .world-tag { border-color: var(--lime); color: var(--lime); }

.engine-strip { display: grid; gap: .6rem; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.engine-strip div { border: 1px solid var(--line); border-radius: 10px; padding: .7rem .9rem; background: var(--surface); }
.engine-strip strong { display: block; font-size: .9rem; margin-bottom: .2rem; }
.engine-strip span { color: var(--dim); font-size: .8rem; }

/* recommendation box after persona choice */
.reco-box {
  margin-top: 1rem;
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: .9rem 1rem;
  color: var(--muted);
  font-size: .9rem;
}
.reco-box strong { color: var(--lime); }

/* mode cards */
.mode-card h3 { font-size: 1.08rem; }
.mode-card.is-primary { border-color: var(--cyan); }
.mode-card .mode-letter {
  display: inline-grid;
  place-items: center;
  width: 1.8rem; height: 1.8rem;
  margin-bottom: .6rem;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-weight: 800;
  font-size: .8rem;
}

/* level strip */
.level-strip { display: flex; flex-wrap: wrap; gap: .4rem; margin: 0 0 1.4rem; }
.level-strip span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .3rem .75rem;
  font-size: .8rem;
  color: var(--dim);
}
.level-strip span.is-active { border-color: var(--cyan); color: var(--cyan); }

/* learning journey */
.progress-wrap { margin: 0 0 1.4rem; }
.progress-label { display: flex; justify-content: space-between; font-size: .8rem; color: var(--dim); margin-bottom: .35rem; }
.progress-bar { height: .5rem; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); overflow: hidden; }
.progress-bar > span { display: block; height: 100%; width: 0; background: var(--lime); transition: width .3s ease; }

.journey { list-style: none; margin: 0; padding: 0; display: grid; gap: .7rem; }
.journey > li { position: relative; padding-left: 2.6rem; }
.journey > li::before {
  content: attr(data-step);
  position: absolute;
  left: 0; top: .55rem;
  width: 1.8rem; height: 1.8rem;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--dim);
  font-size: .75rem;
  font-weight: 800;
  background: var(--surface);
}
.journey > li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: .88rem; top: 2.5rem; bottom: -.7rem;
  width: 1px;
  background: var(--line);
}
.journey > li.is-done::before { border-color: var(--lime); color: var(--lime); }
.journey details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-2);
}
.journey summary {
  cursor: pointer;
  padding: .8rem 1rem;
  font-weight: 700;
  list-style: none;
  display: flex; justify-content: space-between; gap: 1rem; align-items: baseline;
}
.journey summary::-webkit-details-marker { display: none; }
.journey summary .node-kind { font-size: .7rem; color: var(--dim); text-transform: uppercase; letter-spacing: .04em; font-weight: 700; }
.journey .node-body { padding: 0 1rem 1rem; color: var(--muted); font-size: .92rem; line-height: 1.55; }
.journey .node-body p { margin: 0 0 .7rem; }
.source-line { font-size: .8rem; color: var(--dim); border-left: 2px solid var(--cyan); padding-left: .6rem; margin: .6rem 0; }
.node-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .6rem; }
.mini-btn {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: .82rem;
  font-weight: 650;
  padding: .4rem .8rem;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: .35rem;
}
.mini-btn:hover, .mini-btn:focus-visible { border-color: var(--cyan); color: var(--cyan); }
.mini-btn.is-done { border-color: var(--lime); color: var(--lime); }

/* quiz */
.quiz-q { margin: .6rem 0 .9rem; }
.quiz-q p { margin: 0 0 .4rem; color: var(--ink); }
.quiz-options { display: grid; gap: .35rem; }
.quiz-options button {
  text-align: left;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font: inherit; font-size: .88rem;
  padding: .5rem .7rem;
  border-radius: 8px;
  cursor: pointer;
}
.quiz-options button.is-right { border-color: var(--lime); color: var(--lime); }
.quiz-options button.is-wrong { border-color: var(--coral); color: var(--coral); }
.quiz-note { font-size: .78rem; color: var(--dim); margin-top: .4rem; }

/* flashcards */
.flash-grid { display: grid; gap: .6rem; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.flashcard {
  min-height: 90px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  padding: .7rem .8rem;
  cursor: pointer;
  text-align: left;
}
.flashcard .fc-front { font-weight: 700; }
.flashcard .fc-back { display: none; color: var(--muted); font-size: .86rem; }
.flashcard.is-flipped .fc-front { display: none; }
.flashcard.is-flipped .fc-back { display: block; }
.flashcard small { display: block; margin-top: .4rem; color: var(--dim); font-size: .7rem; }

/* library: source tree */
.source-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-2);
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}
.source-card h3 { margin: 0 0 .3rem; }
.licence {
  display: inline-block;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: .18rem .5rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--dim);
  margin-right: .4rem;
}
.licence.pd { border-color: var(--lime); color: var(--lime); }
.licence.cc { border-color: var(--cyan); color: var(--cyan); }
.licence.own { border-color: var(--amber); color: var(--amber); }
.licence.meta { border-color: var(--coral); color: var(--coral); }
.tree { list-style: none; margin: .8rem 0 0; padding: 0; }
.tree li { position: relative; padding: .35rem 0 .35rem 1.4rem; font-size: .9rem; color: var(--muted); }
.tree li::before { content: "└"; position: absolute; left: .3rem; top: .3rem; color: var(--dim); }
.tree li strong { color: var(--ink); }
.tree .derived { color: var(--dim); font-size: .78rem; }

.split { display: grid; gap: .9rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.split > div { border: 1px solid var(--line); border-radius: 12px; padding: 1rem 1.1rem; background: var(--surface-2); }
.split h3 { margin: 0 0 .5rem; font-size: .95rem; }
.split ul { margin: 0; padding-left: 1.1rem; color: var(--muted); font-size: .88rem; }
.split .locked { border-color: rgba(255,128,108,.5); }
.split .locked h3 { color: var(--coral); }

/* contribution flow stepper */
.flow-steps { list-style: none; margin: 0 0 1rem; padding: 0; display: grid; gap: .45rem; }
.flow-steps li {
  display: grid;
  grid-template-columns: 1.7rem 1fr auto;
  gap: .6rem;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .55rem .8rem;
  background: var(--surface-2);
  color: var(--dim);
  font-size: .88rem;
}
.flow-steps li .fs-index { font-size: .72rem; font-weight: 800; color: var(--dim); }
.flow-steps li .fs-state { font-size: .7rem; text-transform: uppercase; letter-spacing: .04em; }
.flow-steps li[data-state="done"] { color: var(--ink); border-color: rgba(184,243,74,.4); }
.flow-steps li[data-state="done"] .fs-state { color: var(--lime); }
.flow-steps li[data-state="active"] { color: var(--ink); border-color: var(--cyan); }
.flow-steps li[data-state="active"] .fs-state { color: var(--cyan); }
.flow-steps li[data-state="stop"] { color: var(--ink); border-color: rgba(255,128,108,.5); }
.flow-steps li[data-state="stop"] .fs-state { color: var(--coral); }
.flow-detail {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: .9rem 1rem;
  background: var(--surface);
  color: var(--muted);
  font-size: .92rem;
  min-height: 70px;
}
.flow-detail strong { color: var(--ink); }
.flow-detail.outcome-ok { border-color: rgba(184,243,74,.5); }
.flow-detail.outcome-stop { border-color: rgba(255,128,108,.5); }
.flow-controls { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .8rem; }

/* local fingerprint tool */
.hash-tool {
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  background: var(--surface);
}
.hash-tool input[type="file"] { color: var(--muted); font-size: .88rem; margin: .5rem 0; max-width: 100%; }
.hash-out { margin-top: .6rem; font-size: .88rem; color: var(--muted); word-break: break-all; }
.hash-out strong { color: var(--ink); }
.hash-out.ok strong { color: var(--lime); }
.hash-out.dup strong { color: var(--cyan); }
.hash-out.err strong { color: var(--coral); }

/* game model */
.game-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.game-table th, .game-table td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.game-table th { color: var(--dim); font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; }
.game-table td:first-child { font-weight: 700; color: var(--ink); }
.game-table td { color: var(--muted); }
.xp { color: var(--cyan); font-weight: 700; }
.trust { color: var(--lime); font-weight: 700; }
.badges { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .8rem; }
.badge-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .35rem .8rem;
  font-size: .8rem;
  color: var(--muted);
  background: var(--surface-2);
}
.badge-chip strong { color: var(--ink); }
.principle {
  border-left: 3px solid var(--lime);
  padding: .5rem .9rem;
  margin: 1rem 0;
  color: var(--ink);
  font-size: .92rem;
  background: rgba(184,243,74,.05);
}

.next-links { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2rem; }

/* language note — EN-only, stated before/at entry */
.lang-note { margin: -1rem 0 1.4rem; font-size: .84rem; color: var(--amber); }

/* two spaces */
.space-community { border-color: rgba(184,243,74,.4) !important; }
.space-personal { border-color: rgba(242,187,85,.5) !important; }
.space-community h3 { color: var(--lime); }
.space-personal h3 { color: var(--amber); }
.split > div p { margin: 0 0 .6rem; color: var(--muted); font-size: .88rem; line-height: 1.5; }
.space-state { border-top: 1px dashed var(--line); padding-top: .6rem; }
.space-state strong { color: var(--coral); }

/* rights profile flags */
.flag-legend, .flags, .flag-key { display: flex; flex-wrap: wrap; gap: .35rem; }
.flag-legend { margin: .6rem 0 .9rem; }
.flag {
  display: inline-block;
  font-family: Consolas, monospace;
  font-size: .68rem;
  letter-spacing: .03em;
  padding: .22rem .5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
}
.flag-train { border-color: var(--coral); color: var(--coral); }
.flag.on { border-color: rgba(184,243,74,.6); color: var(--lime); }
.flag.lim { border-color: rgba(242,187,85,.6); color: var(--amber); }
.flag.sep { border-color: var(--coral); color: var(--coral); }
.flag.off { opacity: .5; text-decoration: line-through; }
.rights-card .flags { margin-top: .7rem; }
.flag-key { margin-top: .8rem; font-size: .78rem; color: var(--dim); align-items: center; }

/* knowledge object */
.kobj {
  margin: .8rem 0 0;
  padding: .9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--muted);
  font: .8rem/1.6 Consolas, monospace;
  overflow-x: auto;
}

/* how contribution works */
.how-list { margin: .6rem 0 0; padding-left: 1.4rem; display: grid; gap: .55rem; color: var(--muted); font-size: .95rem; }
.how-list strong { color: var(--ink); }

/* contribution kinds / signals chips */
.kinds { display: flex; flex-wrap: wrap; gap: .4rem; margin: .5rem 0 .9rem; }
.kinds span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .3rem .7rem;
  font-size: .8rem;
  color: var(--muted);
  background: var(--surface-2);
}
.kinds.signals span { font-family: Consolas, monospace; font-size: .7rem; letter-spacing: .04em; }
.kinds.nope span { border-color: rgba(255,128,108,.4); color: var(--coral); background: transparent; }

/* lifecycle extra states */
.flow-steps li[data-state="ok"] { color: var(--ink); border-color: rgba(184,243,74,.6); }
.flow-steps li[data-state="ok"] .fs-state { color: var(--lime); }
.flow-steps li[data-state="hold"] { color: var(--ink); border-color: rgba(242,187,85,.6); }
.flow-steps li[data-state="hold"] .fs-state { color: var(--amber); }
.flow-detail.outcome-hold { border-color: rgba(242,187,85,.6); }

/* knowledge universe: journey chips, 13-world grid, search mock, layers */
.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .45rem .9rem;
  background: var(--surface-2);
  color: var(--muted);
  font: inherit;
  font-size: .88rem;
  font-weight: 650;
  cursor: pointer;
}
.chip:hover, .chip:focus-visible { border-color: var(--cyan); color: var(--cyan); }
.chip.is-selected { border-color: var(--cyan); color: var(--cyan); background: rgba(94,231,240,.08); }
.chip.is-future { opacity: .55; cursor: default; }
.chip.is-future:hover { border-color: var(--line); color: var(--muted); }
.worlds-13 { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.worlds-13 .world-card.is-active { grid-column: span 2; }
.worlds-13 .world-card.is-roadmap h3 { font-size: .95rem; margin: 0; }
.worlds-13 .world-card.is-roadmap p { margin-top: .4rem; font-size: .8rem; }
.world-card.is-suggested { box-shadow: 0 0 0 2px var(--cyan) inset; }
@media (max-width: 560px) { .worlds-13 .world-card.is-active { grid-column: span 1; } }
.search-mock {
  display: flex; align-items: center; justify-content: space-between; gap: .8rem; flex-wrap: wrap;
  border: 1px dashed var(--line); border-radius: 12px; padding: .8rem 1rem; color: var(--dim); background: var(--surface);
}
.search-mock .badge { border: 1px solid var(--coral); color: var(--coral); font-size: .66rem; letter-spacing: .05em; padding: .2rem .5rem; border-radius: 999px; white-space: nowrap; }
.layers { display: grid; gap: .7rem; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.layer { border: 1px solid var(--line); border-radius: 12px; padding: .9rem 1rem; background: var(--surface-2); }
.layer .lvl { display: block; margin-bottom: .35rem; font-size: .68rem; letter-spacing: .06em; color: var(--dim); text-transform: uppercase; font-weight: 750; }
.layer h3 { margin: 0 0 .3rem; font-size: .98rem; }
.layer p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.5; }

/* school: explain-to toggle, level blocks, try feedback, stage map */
.explain-toggle { display: flex; flex-wrap: wrap; gap: .4rem; margin: .4rem 0 1.2rem; }
.journey [data-for] { display: none; }
.journey.show-young [data-for~="young"], .journey.show-older [data-for~="older"], .journey.show-exam [data-for~="exam"] { display: block; }
.journey.show-beginner [data-for~="beginner"], .journey.show-advanced [data-for~="advanced"] { display: block; }
.try p { margin: 0 0 .4rem; color: var(--ink); }
.try-feedback { margin: .5rem 0 0; font-size: .9rem; color: var(--muted); min-height: 1.2em; }
.try-feedback.is-yes { color: var(--lime); }
.try-feedback.is-notyet { color: var(--amber); }
.stage-map { display: grid; grid-template-columns: repeat(5, 1fr); gap: .4rem; margin: 0 0 1.2rem; }
.stage-map div {
  border: 1px solid var(--line); border-radius: 10px; padding: .55rem .4rem; text-align: center;
  font-size: .72rem; letter-spacing: .05em; color: var(--dim); text-transform: uppercase; font-weight: 750; background: var(--surface-2);
}
.stage-map div.is-done { border-color: var(--lime); color: var(--lime); }
.stage-map small { display: block; margin-top: .15rem; font-size: .66rem; font-weight: 500; text-transform: none; letter-spacing: 0; color: var(--dim); }
@media (max-width: 560px) { .stage-map { grid-template-columns: repeat(2, 1fr); } }

/* fingerprint tool extras */
.hash-ticker { margin: .3rem 0 0; font-family: Consolas, monospace; font-size: .76rem; color: var(--cyan); }
.hash-fine { margin: .8rem 0 0; font-size: .76rem; color: var(--dim); }

/* Law: source-class badges — visually separable, reusing the site's existing colour semantics
   (lime = solid/settled, cyan = checked, amber = official-but-cautionary, coral = "never treat
   as an authoritative source", already established by the AI-generated tier on the library page) */
.src-badge {
  display: inline-flex; align-items: center; gap: .3rem;
  font-family: Consolas, monospace; font-size: .72rem; font-weight: 700; letter-spacing: .02em;
  padding: .15rem .5rem; border-radius: 6px; border: 1px solid var(--line);
  background: transparent; color: var(--muted); cursor: pointer; vertical-align: middle; line-height: 1.6;
}
.src-badge:hover, .src-badge:focus-visible { border-color: var(--cyan); color: var(--cyan); }
.src-statute { border-color: var(--lime); color: var(--lime); }
.src-court { border-color: var(--cyan); color: var(--cyan); }
.src-official { border-color: var(--amber); color: var(--amber); }
.src-lit { border-color: var(--muted); color: var(--muted); }
.src-ai { border-color: var(--coral); color: var(--coral); }
.src-detail {
  margin: .5rem 0 1rem; padding: .7rem .9rem; border-left: 3px solid var(--line);
  background: var(--surface); font-size: .84rem; color: var(--muted); line-height: 1.55;
}
.src-detail strong { color: var(--ink); }
.src-detail .fictional { color: var(--coral); font-weight: 700; }
.src-legend { display: flex; flex-wrap: wrap; gap: .5rem; margin: .8rem 0 0; }
.src-legend span { font-size: .78rem; color: var(--dim); }

/* Law: fictional-case box — must never be mistaken for a real matter */
.fictional-case {
  border: 1px dashed var(--coral); border-radius: 12px; padding: .9rem 1.05rem;
  margin: 0 0 1.6rem; background: rgba(255,128,108,.05);
}
.fictional-case .fc-tag {
  display: inline-block; margin-bottom: .5rem; font-size: .68rem; font-weight: 800;
  letter-spacing: .06em; text-transform: uppercase; color: var(--coral);
}
.fictional-case p { color: var(--ink); margin: 0; font-size: .92rem; line-height: 1.6; }

/* Law: Gutachtenstil label — a DE study-method marker, not universal methodology */
.gutachten-tag {
  display: inline-block; margin: 0 0 .4rem; font-size: .68rem; font-weight: 800;
  letter-spacing: .06em; text-transform: uppercase; color: var(--lime);
  border: 1px solid var(--lime); border-radius: 999px; padding: .15rem .6rem;
}

/* Law Common Table: unresolved disagreement must look different from a settled result */
.mini-demo-open {
  margin-top: .6rem; padding: .6rem .85rem; border: 1px dashed var(--amber); border-radius: 10px;
  color: var(--amber); font-size: .9rem; line-height: 1.55;
}
.mini-demo-open strong { color: var(--amber); }

/* Law case flow: 8 fine steps grouped into 5 stage-map cells (reuses .stage-map's 5-col grid) */
.stage-map.cols-law { grid-template-columns: repeat(5, 1fr); }

@media (max-width: 720px) {
  .flow-steps li { grid-template-columns: 1.5rem 1fr; }
  .flow-steps li .fs-state { grid-column: 2; }
  /* learn pages have no hamburger: keep the short nav visible and static on small screens */
  .site-header { flex-wrap: wrap; row-gap: .4rem; }
  .site-nav { position: static; inset: auto; display: flex; flex-direction: row; flex-wrap: wrap; gap: .2rem .6rem; padding: 0; background: transparent; border: 0; width: 100%; }
  .site-nav a { min-height: 0; padding: .3rem .1rem; font-size: .82rem; }
}