/* =================================================================
   cognosis-page.css — "Why You Can't Just Get Up"
   The interactive explorable, styled for the yamero design system.
   Loads after yamero.css; defines the variable bridge, masthead,
   scene layout, and all interactive elements.
   ================================================================= */

/* -----------------------------------------------------------------
   Variable bridge
   yamero.css provides the dark palette; these aliases let the
   cognosis-engine and cant-get-up scene read the names they expect.
   Three selectors so the engine's theme system never flips us light.
   ----------------------------------------------------------------- */
:root,
:root[data-theme="light"],
:root[data-theme="dark"] {
  color-scheme: dark;
  /* surfaces */
  --paper:       var(--base);
  --paper-sunk:  var(--void);
  --card:        var(--panel);
  --rule:        var(--line);
  --rule-soft:   var(--line-soft);
  /* ink — yamero --ink-dim → cognosis --ink-mute */
  --ink-mute:    var(--ink-dim);
  /* accent */
  --accent:      var(--pink);
  --accent-2:    var(--cyan);
  --accent-ink:  var(--void);
  --accent-wash: var(--pink-glow);
  /* figure palette (cognosis-engine) */
  --fig-drive:      var(--cyan);
  --fig-drive-fill: rgba(118, 230, 224, 0.12);
  --fig-brake:      #e59b52;
  --fig-brake-fill: rgba(229, 155, 82, 0.22);
  --fig-felt:       var(--ink);
  --fig-grid:       var(--line-soft);
  --fig-live:       var(--pink);
  /* type stacks */
  --f-ui:  system-ui, -apple-system, 'Segoe UI', sans-serif;
  --f-num: var(--f-mono);
  /* scene type */
  --font-ui:    var(--f-ui);
  --font-round: ui-rounded, "SF Pro Rounded", var(--f-ui);
  --font-data:  var(--f-num);
  --shadow:     0 1px 2px rgba(0,0,0,.4), 0 22px 56px rgba(0,0,0,.55);
  /* nine-actor figure palette — for dark background */
  --go:    #4CBF89;
  --nogo:  #EE6A5E;
  --brake: #93A2BC;
  --da:    #2FD0C2;
  --acc:   #F0895C;
  --nac:   #EDAA5C;
  --amyg:  #F0655F;
  --plan:  #6FADEE;
  --ne:    #A78FE8;
  --brain-edge: #4A3F30;
  --cortex:     #7A5E70;
  --wm:         #241E18;
  /* surface aliases */
  --ground:      var(--base);
  --ink-2:       var(--ink-soft);
  --ink-3:       var(--ink-dim);
  --hair:        var(--line);
  --panel-2:     var(--void);
  --accent-soft: var(--pink-glow);
  /* layout */
  --content-max: 960px;
  --gutter:      max(20px, 4vw);
}

/* -----------------------------------------------------------------
   Base
   ----------------------------------------------------------------- */
a { color: var(--pink); text-underline-offset: 0.14em; text-decoration-thickness: 0.06em; }
a:hover { color: var(--cyan); }
::selection { background: var(--pink); color: var(--void); }

.skip-link {
  position: absolute; left: 0.6rem; top: -3rem; z-index: 100;
  background: var(--pink); color: var(--void);
  padding: 0.5rem 0.9rem; border-radius: 0.4rem;
  font-family: var(--f-ui); font-size: 0.9rem; text-decoration: none;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 0.6rem; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

:focus-visible { outline: 2.5px solid var(--pink); outline-offset: 3px; border-radius: 3px; }

.act, h1, h2, [id] { scroll-margin-top: 4rem; }

/* -----------------------------------------------------------------
   Masthead
   ----------------------------------------------------------------- */
.masthead {
  position: sticky; top: 0; z-index: 50;
  display: grid; grid-template-columns: auto 1fr auto;
  gap: 20px; align-items: center;
  padding: 14px var(--gutter);
  background: rgba(13, 10, 16, 0.78);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--f-mono); font-size: 11px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-dim);
}
.masthead-mark {
  font-family: var(--f-head); font-size: 18px;
  letter-spacing: 0.1em; color: var(--ink);
  text-transform: none; font-weight: 800; text-decoration: none;
}
.masthead-meta { display: flex; gap: 22px; justify-content: center; }
.masthead-meta span { white-space: nowrap; }
.masthead-meta .dot { color: var(--ink-faint); }
.masthead-nav { display: flex; gap: 20px; align-items: center; }
.masthead-nav a { color: var(--ink-dim); text-decoration: none; }
.masthead-nav a:hover { color: var(--ink); }

@media (max-width: 760px) {
  .masthead { grid-template-columns: auto auto; }
  .masthead-meta { display: none; }
}

/* -----------------------------------------------------------------
   Page layout
   ----------------------------------------------------------------- */
main { display: block; position: relative; z-index: 1; }

.wrap {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  font-family: var(--font-ui);
  line-height: 1.55;
}

/* -----------------------------------------------------------------
   Marr rail
   ----------------------------------------------------------------- */
.rail { display: flex; gap: 6px; padding: 6px 0 14px; flex-wrap: wrap; }
.rail button {
  flex: 1; min-width: 120px;
  border: 1px solid var(--line); background: var(--panel);
  border-radius: 11px; padding: 8px 10px; cursor: pointer;
  text-align: left; font-family: var(--font-ui);
  transition: .2s; opacity: .55;
}
.rail button .n { font: 700 10px var(--font-ui); color: var(--ink-dim); letter-spacing: .5px; }
.rail button .t { font-weight: 700; font-size: 13.5px; color: var(--ink); }
.rail button .s { font-size: 11px; color: var(--ink-dim); }
.rail button.on { opacity: 1; border-color: var(--pink); background: var(--pink-glow); }
.rail button.done { opacity: .85; }
.rail button:disabled { cursor: not-allowed; }

/* -----------------------------------------------------------------
   Scene
   ----------------------------------------------------------------- */
.scene { padding: 6px 0 60px; }
.wrap .act { display: none; padding: 6px 0 60px; border-top: 0; }
.wrap .act.on { display: block; animation: fade .5s ease; }

.presets.hidden, .namesbox.hidden, .ctarow.hidden { display: none; }
.namesbox { font-size: 11px; color: var(--ink-dim); cursor: pointer; }

#scenesvg {
  width: 100%; height: 230px; overflow: hidden;
  transition: height .8s cubic-bezier(.35, 0, .15, 1);
}
.stagehead { width: 100%; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.kicker {
  font: 700 11px var(--font-ui); letter-spacing: .7px;
  text-transform: uppercase; color: var(--ink-dim); margin: 4px 0 7px;
}

h1 {
  font-family: var(--font-round); font-weight: 800;
  font-size: clamp(30px, 7vw, 58px); line-height: 1.02;
  letter-spacing: -1px; margin: 0 0 12px; text-wrap: balance;
}
#scene[data-stage="2"] h1, #scene[data-stage="3"] h1 {
  font-size: clamp(25px, 4.6vw, 39px); letter-spacing: -.6px;
  line-height: 1.06; margin-bottom: 9px;
}
#scene[data-stage="2"] .say, #scene[data-stage="3"] .say {
  font-size: clamp(15px, 2.3vw, 16.5px); margin-bottom: 12px;
}
h1 .strike {
  color: var(--ink-dim); text-decoration: line-through;
  text-decoration-color: var(--nogo); text-decoration-thickness: 5px;
}
h1 .red { color: var(--nogo); }

.say, .unfold { text-align: justify; text-justify: inter-word; hyphens: auto; line-height: 1.6; }
@media (max-width: 700px) { .say, .unfold { text-align: left; hyphens: manual; } }
.say { font-size: clamp(16px, 2.6vw, 18.5px); color: var(--ink-soft); margin: 0 0 16px; }
.say b { color: var(--ink); }
.unfold { font-size: clamp(15px, 2.4vw, 16.5px); color: var(--ink-soft); margin: 14px 0 0; }
.unfold.hidden { display: none; }
.unfold b { color: var(--ink); }

.wrap svg { display: block; width: 100%; height: auto; overflow: visible; }

/* -----------------------------------------------------------------
   Brain tissue SVG
   ----------------------------------------------------------------- */
#s-brain    { fill: var(--wm); stroke: var(--brain-edge); stroke-width: 13; }
#s-cortex   { fill: var(--cortex); fill-opacity: .42; }
#s-striatum { fill: var(--nac); fill-opacity: .26; stroke: var(--nac); stroke-opacity: .55; stroke-width: 7; }
#s-pallidum { fill: var(--brake); fill-opacity: .34; stroke: var(--brake); stroke-opacity: .8; stroke-width: 7; }
#s-amygdala { fill: var(--amyg); fill-opacity: .18; stroke: var(--amyg); stroke-opacity: .45; stroke-width: 7; transition: fill-opacity .4s; }
#s-amygdala.lit { fill-opacity: .42; stroke-opacity: .95; }

/* -----------------------------------------------------------------
   Stage card
   ----------------------------------------------------------------- */
.stage {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 18px; box-shadow: var(--shadow);
  padding: 11px 12px 12px; margin: 14px 0; position: relative;
}
.stagehead {
  display: flex; justify-content: space-between; align-items: center;
  font: 600 11px var(--font-ui); color: var(--ink-dim);
  letter-spacing: .4px; margin-bottom: 4px;
}
.replay {
  border: 1px solid var(--line); background: var(--void);
  color: var(--ink-soft); border-radius: 8px;
  padding: 4px 9px; font-size: 11px; cursor: pointer;
}

/* -----------------------------------------------------------------
   CTA buttons
   ----------------------------------------------------------------- */
.cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--pink); color: var(--void);
  border: none; border-radius: 13px; padding: 13px 20px;
  font-size: 15px; font-weight: 700; cursor: pointer;
  font-family: var(--font-ui); margin-top: 8px;
  box-shadow: 0 6px 18px rgba(255, 95, 166, 0.22);
}
.cta.ghost {
  background: var(--panel); color: var(--ink);
  border: 1px solid var(--line); box-shadow: none;
}
.ctarow { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 14px; }

/* -----------------------------------------------------------------
   Verdict readout
   ----------------------------------------------------------------- */
.verdict {
  font-family: var(--font-round); font-weight: 800; font-size: 15.5px;
  padding: 9px 12px; border-radius: 11px;
  background: var(--void); margin: 8px 0 0;
}
.verdict.up   { color: var(--go); }
.verdict.stuck { color: var(--nogo); }
.verdict.imp  { color: var(--nac); }

/* -----------------------------------------------------------------
   Knob dials
   ----------------------------------------------------------------- */
.knobs {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 0; margin-top: 9px; padding-top: 9px;
  border-top: 1px solid var(--line);
}
.knobs:empty { display: none; border: 0; margin: 0; padding: 0; }
.knob { flex: 0 1 auto; width: clamp(92px, 15.5%, 134px); text-align: center; padding: 0 3px 2px; }
@media (max-width: 560px) { .knob { width: 33.33%; } }
.knob svg { display: block; width: 74px; margin: 0 auto; touch-action: none; cursor: grab; outline: none; }
.knob svg:active { cursor: grabbing; }
.knob svg:focus-visible { outline: 2px solid var(--pink); outline-offset: 1px; border-radius: 9px; }
.knob .kn { font: 700 12.5px var(--font-ui); color: var(--ink); margin-top: 3px; }
.knob .kv { font: 600 11px var(--font-data); color: var(--ink-dim); }
.knob .kd { font: 400 10.5px var(--font-ui); color: var(--ink-dim); line-height: 1.22; margin-top: 2px; min-height: 26px; }
.knobs .fold { flex: 0 0 100%; margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--line); }

/* -----------------------------------------------------------------
   Presets
   ----------------------------------------------------------------- */
.presets { display: flex; gap: 7px; flex-wrap: wrap; margin: 12px 0 2px; }
.presets button {
  border: 1px solid var(--line); background: var(--panel);
  color: var(--ink-soft); border-radius: 20px; padding: 7px 13px;
  font-size: 12.5px; font-weight: 600; cursor: pointer;
  font-family: var(--font-ui);
}
.presets button:hover { border-color: var(--pink); color: var(--ink); }

/* -----------------------------------------------------------------
   Nerd details
   ----------------------------------------------------------------- */
details { margin-top: 8px; }
summary { cursor: pointer; font-size: 12px; color: var(--ink-dim); font-weight: 600; }
.chain {
  font-family: var(--font-data); font-size: 11.5px; color: var(--ink-soft);
  background: var(--void); border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 10px; margin-top: 6px;
}

/* -----------------------------------------------------------------
   Act 4 — doors, share, safety
   ----------------------------------------------------------------- */
.doors { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin: 18px 0; }
@media (max-width: 560px) { .doors { grid-template-columns: 1fr; } }
.door {
  border: 1px solid var(--line); background: var(--panel);
  border-radius: 13px; padding: 13px; cursor: pointer; transition: .15s;
}
.door:hover { border-color: var(--pink); }
.door.pick { border-color: var(--pink); background: var(--pink-glow); }
.door b { display: block; font-size: 14.5px; margin-bottom: 3px; }
.door span { font-size: 12.5px; color: var(--ink-soft); }

.share {
  border: 1px solid var(--line); background: var(--panel);
  border-radius: 14px; padding: 15px 16px; margin: 18px 0;
  box-shadow: var(--shadow);
}
.share b { display: block; font-size: 15px; margin-bottom: 4px; }
.share p { font-size: 13px; color: var(--ink-soft); margin: 0 0 12px; }
.sharerow { display: flex; gap: 8px; flex-wrap: wrap; }
.sharerow .cta { margin-top: 0; padding: 10px 16px; font-size: 13.5px; border-radius: 11px; }

.safety {
  border-left: 3px solid var(--nogo); background: var(--void);
  border-radius: 0 10px 10px 0; padding: 11px 14px;
  font-size: 13px; color: var(--ink-soft); margin: 16px 0;
}
.safety b { color: var(--ink); }

/* -----------------------------------------------------------------
   Bridge link
   ----------------------------------------------------------------- */
.next { margin: 2.2rem 0 1.8rem; }
.next-label {
  font-family: var(--f-mono); font-size: 0.74rem;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-faint); margin: 1.4rem 0 0.7rem;
}
.next-label:first-child { margin-top: 0; }
.bridge--read { margin-bottom: 0.2rem; }
.bridge {
  display: block; text-decoration: none; color: var(--ink);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 1.1rem 1.3rem; background: var(--panel);
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.bridge:hover {
  border-color: var(--pink); transform: translateY(-2px);
  box-shadow: 0 10px 24px -18px rgba(255, 95, 166, 0.5);
}
.bridge-k {
  display: block; font-family: var(--f-mono); font-size: 0.76rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--pink); margin-bottom: 0.35rem;
}
.bridge-t { display: block; font-size: 1.02em; color: var(--ink-soft); }

/* -----------------------------------------------------------------
   Closer
   ----------------------------------------------------------------- */
.closer {
  text-align: center; padding: 3rem var(--gutter) 2rem;
  max-width: var(--content-max); margin: 0 auto;
  font-family: var(--f-frag); font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--ink-soft); font-style: italic;
}

/* -----------------------------------------------------------------
   Colophon
   ----------------------------------------------------------------- */
.colophon {
  padding: 3.4rem var(--gutter) 2.6rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--f-mono); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-dim);
  display: grid; grid-template-columns: 1fr auto 1fr;
  gap: 28px; align-items: center;
}
.colophon a {
  color: var(--ink-soft); text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  transition: color 160ms ease, border-color 160ms ease;
}
.colophon a:hover { color: var(--pink); border-bottom-color: var(--pink); }
.colophon-center {
  text-align: center; font-family: var(--f-head);
  font-size: 16px; letter-spacing: 0.16em;
  color: var(--ink-soft); text-transform: none;
}
.colophon-right { text-align: right; }
@media (max-width: 720px) {
  .colophon { grid-template-columns: 1fr; text-align: center; gap: 18px; }
  .colophon-right { text-align: center; }
}

/* -----------------------------------------------------------------
   Reduced motion
   ----------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  #scenesvg { transition: none; }
  .bridge { transition: border-color 0.15s ease; }
  .bridge:hover { transform: none; }
  .door { transition: none; }
}