/* ==========================================================================
   Higher Ground — HigherFrame Cyber Command
   Design system: dawn on a ridgeline. Midnight ink base, warm paper cream,
   one alpine-blue signal color, restrained amber for warnings.
   No terminal aesthetic. Calm, modern, high contrast.
   ========================================================================== */

/* ---------- Fonts (self-hosted so the site works fully offline) ---------- */
@font-face {
  font-family: 'Fraunces';
  src: url('../fonts/fraunces-latin.woff2') format('woff2-variations'),
       url('../fonts/fraunces-latin.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Karla';
  src: url('../fonts/karla-latin.woff2') format('woff2-variations'),
       url('../fonts/karla-latin.woff2') format('woff2');
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Tokens ---------- */
:root {
  /* Ink (base) */
  --ink:        #0A1626;
  --ink-raise:  #11223A;
  --ink-raise-2:#172C48;
  --ink-line:   rgba(241, 235, 223, 0.16);
  --ink-line-strong: rgba(241, 235, 223, 0.32);

  /* Text on ink */
  --text:       #F3EEE3;
  --text-dim:   #C2CEDD;
  --text-faint: #94A5BA;

  /* Paper (editorial surfaces) */
  --paper:      #F7F2E8;
  --paper-2:    #FFFCF5;
  --paper-3:    #EDE5D6;
  --paper-text: #10203A;
  --paper-dim:  #435264;
  --paper-line: rgba(16, 32, 58, 0.16);

  /* Signal + warning */
  --signal:      #7CC0F5;   /* alpine blue on ink */
  --signal-deep: #0B5D9E;   /* alpine blue on paper */
  --signal-soft: rgba(124, 192, 245, 0.14);
  --amber:       #F2BC6B;   /* on ink */
  --amber-deep:  #7A4E00;   /* on paper */
  --amber-soft:  rgba(242, 188, 107, 0.14);
  --good:        #8BD3B0;
  --good-deep:   #0F6647;

  /* Type */
  --font-ui: 'Karla', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;

  --text-xs:   0.8125rem;
  --text-sm:   0.9375rem;
  --text-base: 1.0625rem;
  --text-lg:   1.1875rem;
  --text-xl:   clamp(1.3rem, 1.1rem + 0.8vw, 1.6rem);
  --text-2xl:  clamp(1.6rem, 1.25rem + 1.5vw, 2.25rem);
  --text-3xl:  clamp(2rem, 1.4rem + 2.6vw, 3rem);
  --text-hero: clamp(2.4rem, 1.5rem + 4vw, 4.25rem);

  /* Space */
  --sp-1: 0.25rem; --sp-2: 0.5rem;  --sp-3: 0.75rem; --sp-4: 1rem;
  --sp-5: 1.5rem;  --sp-6: 2rem;    --sp-7: 3rem;    --sp-8: 4rem;
  --sp-9: 6rem;

  --radius: 14px;
  --radius-sm: 9px;
  --radius-lg: 22px;

  --measure: 68ch;
  --wrap: 1180px;
  --wrap-narrow: 780px;

  --shadow: 0 1px 2px rgba(4, 10, 20, 0.4), 0 12px 32px rgba(4, 10, 20, 0.35);
  --shadow-paper: 0 1px 2px rgba(16, 32, 58, 0.08), 0 14px 34px rgba(16, 32, 58, 0.10);

  --tap: 48px; /* minimum interactive target */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 200ms;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  line-height: 1.65;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 { margin: 0 0 var(--sp-4); line-height: 1.15; text-wrap: balance; }
h1 { font-family: var(--font-display); font-weight: 600; font-size: var(--text-3xl); letter-spacing: -0.01em; }
h2 { font-family: var(--font-display); font-weight: 600; font-size: var(--text-2xl); letter-spacing: -0.005em; }
h3 { font-size: var(--text-xl); font-weight: 700; letter-spacing: -0.005em; }
h4 { font-size: var(--text-lg); font-weight: 700; }
p  { margin: 0 0 var(--sp-4); max-width: var(--measure); }
ul, ol { margin: 0 0 var(--sp-4); padding-left: 1.25em; max-width: var(--measure); }
li { margin-bottom: var(--sp-2); }
a { color: var(--signal); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: #A6D6FA; }
hr { border: 0; border-top: 1px solid var(--ink-line); margin: var(--sp-6) 0; }
small { font-size: var(--text-sm); }
code, kbd { font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace; font-size: 0.9em; }

:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--paper); color: var(--paper-text);
  padding: var(--sp-3) var(--sp-5); border-radius: 0 0 var(--radius) 0; font-weight: 700;
}
.skip-link:focus { left: 0; }

/* ---------- Layout ---------- */
.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }
.wrap-narrow { width: min(100% - 2.5rem, var(--wrap-narrow)); margin-inline: auto; }
.section { padding-block: var(--sp-8); }
.section-lg { padding-block: var(--sp-9); }
.stack > * + * { margin-top: var(--sp-4); }
.grid { display: grid; gap: var(--sp-5); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); }
.center { text-align: center; margin-inline: auto; }
.center p { margin-inline: auto; }

/* Paper surface — editorial / lesson / print content */
.paper {
  background: var(--paper);
  color: var(--paper-text);
}
.paper h1, .paper h2, .paper h3, .paper h4 { color: var(--paper-text); }
.paper a { color: var(--signal-deep); }
.paper a:hover { color: #08436F; }
.paper .eyebrow { color: var(--signal-deep); }
.paper .muted { color: var(--paper-dim); }
.paper hr { border-top-color: var(--paper-line); }

/* ---------- Type helpers ---------- */
.eyebrow {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--signal);
  margin: 0 0 var(--sp-3);
}
.lede { font-size: var(--text-lg); color: var(--text-dim); max-width: 60ch; }
.paper .lede { color: var(--paper-dim); }
.muted { color: var(--text-faint); }
.serif { font-family: var(--font-display); font-weight: 500; }
.nowrap { white-space: nowrap; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55em;
  min-height: var(--tap); padding: 0.7rem 1.4rem;
  font: inherit; font-weight: 700; letter-spacing: 0.01em;
  border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn-primary { background: var(--signal); color: #04182B; }
.btn-primary:hover { background: #A6D6FA; color: #04182B; transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--text); border-color: var(--ink-line-strong); }
.btn-secondary:hover { background: rgba(241,235,223,0.08); color: var(--text); border-color: var(--text); }
.paper .btn-primary { background: var(--signal-deep); color: #FFFFFF; }
.paper .btn-primary:hover { background: #08436F; color: #fff; }
.paper .btn-secondary { color: var(--paper-text); border-color: var(--paper-line); }
.paper .btn-secondary:hover { background: rgba(16,32,58,0.06); color: var(--paper-text); }
.btn[disabled], .btn[aria-disabled="true"] {
  opacity: 0.75; cursor: not-allowed; transform: none;
}
.btn-block { width: 100%; }
.btn-sm { min-height: 40px; padding: 0.35rem 0.95rem; font-size: var(--text-sm); }

/* ---------- Cards ---------- */
.card {
  background: var(--ink-raise);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  padding: var(--sp-5);
}
.card h3 { margin-bottom: var(--sp-2); }
.card p:last-child { margin-bottom: 0; }
.paper .card {
  background: var(--paper-2);
  border-color: var(--paper-line);
  box-shadow: var(--shadow-paper);
}
a.card { display: block; text-decoration: none; color: inherit; transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease); }
a.card:hover { border-color: var(--signal); transform: translateY(-2px); color: inherit; }
.paper a.card:hover { border-color: var(--signal-deep); }

/* ---------- Badges / pills ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 0.4em;
  font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.3rem 0.7rem; border-radius: 999px;
  border: 1px solid var(--ink-line-strong); color: var(--text-dim);
}
.badge-signal { color: var(--signal); border-color: rgba(124,192,245,0.5); background: var(--signal-soft); }
.badge-amber  { color: var(--amber);  border-color: rgba(242,188,107,0.5); background: var(--amber-soft); }
.badge-good   { color: var(--good);   border-color: rgba(139,211,176,0.5); background: rgba(139,211,176,0.12); }
.paper .badge { color: var(--paper-dim); border-color: var(--paper-line); }
.paper .badge-signal { color: var(--signal-deep); border-color: rgba(11,93,158,0.4); background: rgba(11,93,158,0.08); }
.paper .badge-amber  { color: var(--amber-deep);  border-color: rgba(122,78,0,0.4);  background: rgba(122,78,0,0.08); }
.paper .badge-good   { color: var(--good-deep);   border-color: rgba(15,102,71,0.4); background: rgba(15,102,71,0.08); }
.badge-row { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-bottom: var(--sp-3); }

/* ---------- Callouts ---------- */
.note {
  border-left: 4px solid var(--signal);
  background: var(--signal-soft);
  padding: var(--sp-4) var(--sp-5);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-block: var(--sp-5);
}
.note-amber { border-left-color: var(--amber); background: var(--amber-soft); }
.note h3 { font-size: var(--text-lg); font-weight: 700; margin-bottom: var(--sp-2); }
.note p:last-child, .note ul:last-child { margin-bottom: 0; }
.paper .note { background: rgba(11,93,158,0.07); border-left-color: var(--signal-deep); }
.paper .note-amber { background: rgba(122,78,0,0.07); border-left-color: var(--amber-deep); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 22, 38, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ink-line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4);
  min-height: 72px;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.65rem;
  color: var(--text); text-decoration: none; font-weight: 700;
  padding: 0.4rem 0; min-height: var(--tap);
}
.brand svg { flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; letter-spacing: -0.01em; }
.brand-sub { font-size: 0.6875rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint); font-weight: 600; }

.nav-toggle {
  display: none;
  min-height: var(--tap); min-width: var(--tap);
  align-items: center; justify-content: center; gap: 0.5rem;
  background: transparent; border: 1px solid var(--ink-line-strong); border-radius: var(--radius-sm);
  color: var(--text); font: inherit; font-weight: 600; cursor: pointer; padding: 0 0.8rem;
}
.nav-list {
  display: flex; align-items: center; gap: 0.15rem;
  list-style: none; margin: 0; padding: 0; max-width: none;
}
.nav-list a {
  display: inline-flex; align-items: center; min-height: 44px;
  padding: 0.4rem 0.75rem; border-radius: var(--radius-sm);
  color: var(--text-dim); text-decoration: none; font-weight: 600; font-size: var(--text-sm);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav-list a:hover { color: var(--text); background: rgba(241,235,223,0.08); }
.nav-list a[aria-current="page"] { color: var(--text); box-shadow: inset 0 -2px 0 var(--signal); border-radius: var(--radius-sm) var(--radius-sm) 0 0; }
.nav-cta { margin-left: var(--sp-2); }

@media (max-width: 1000px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--ink-raise); border-bottom: 1px solid var(--ink-line);
    padding: var(--sp-4) 0 var(--sp-5);
    box-shadow: var(--shadow);
  }
  .site-nav.open { display: block; }
  .nav-list { flex-direction: column; align-items: stretch; width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; gap: 0; }
  .nav-list a { min-height: var(--tap); font-size: var(--text-base); border-bottom: 1px solid var(--ink-line); border-radius: 0; }
  .nav-list a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--signal); }
  .nav-cta { margin: var(--sp-4) 0 0; }
  .nav-cta .btn { width: 100%; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: #061020;
  border-top: 1px solid var(--ink-line);
  padding-block: var(--sp-7) var(--sp-6);
  margin-top: var(--sp-8);
}
.footer-grid { display: grid; gap: var(--sp-6); grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); }
.footer-grid h3 { font-size: var(--text-sm); letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); margin-bottom: var(--sp-3); }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: var(--sp-1); }
.footer-grid a { color: var(--text-dim); text-decoration: none; display: inline-flex; min-height: 40px; align-items: center; }
.footer-grid a:hover { color: var(--signal); text-decoration: underline; }
.footer-legal {
  margin-top: var(--sp-6); padding-top: var(--sp-5); border-top: 1px solid var(--ink-line);
  font-size: var(--text-sm); color: var(--text-faint);
}
.footer-legal p { max-width: 78ch; }

/* ---------- Hero ---------- */
.hero { position: relative; isolation: isolate; overflow: hidden; }
.hero-media { position: absolute; inset: 0; z-index: -2; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }
.hero-media::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,22,38,0.72) 0%, rgba(10,22,38,0.80) 45%, rgba(10,22,38,0.96) 100%);
}
.hero-inner { padding-block: clamp(4rem, 10vw, 8.5rem); }
.hero h1 { font-size: var(--text-hero); max-width: 16ch; margin-bottom: var(--sp-5); }
.hero .lede { font-size: clamp(1.1rem, 1rem + 0.5vw, 1.35rem); color: var(--text); max-width: 52ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-6); }

/* ---------- Progress / climb meter ---------- */
.meter {
  --pct: 0%;
  position: relative; height: 12px; border-radius: 999px;
  background: rgba(241,235,223,0.16); overflow: hidden;
}
.meter::after {
  content: ''; position: absolute; inset: 0 auto 0 0; width: var(--pct);
  background: linear-gradient(90deg, var(--signal-deep), var(--signal) 70%, var(--amber));
  border-radius: 999px;
  transition: width 400ms var(--ease);
}
.paper .meter { background: rgba(16,32,58,0.14); }

/* ---------- Checklists ---------- */
.checklist { list-style: none; padding: 0; margin: 0 0 var(--sp-4); max-width: var(--measure); }
.checklist li { margin: 0 0 var(--sp-2); }
.check {
  display: flex; align-items: flex-start; gap: 0.85rem;
  min-height: var(--tap); padding: 0.6rem 0.9rem;
  border: 1px solid var(--paper-line); border-radius: var(--radius-sm);
  background: var(--paper-2); cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.check:hover { border-color: var(--signal-deep); background: #fff; }
.check input[type="checkbox"] {
  flex: none; width: 1.4rem; height: 1.4rem; margin-top: 0.15rem;
  accent-color: var(--signal-deep); cursor: pointer;
}
.check input:focus-visible { outline: 3px solid var(--amber-deep); outline-offset: 2px; }
.check span { flex: 1; }
.check.done { background: rgba(15,102,71,0.08); border-color: rgba(15,102,71,0.45); }
.check.done span { color: var(--paper-dim); }

/* ---------- Details / disclosure ---------- */
details.panel {
  border: 1px solid var(--paper-line); border-radius: var(--radius);
  background: var(--paper-2); margin-bottom: var(--sp-4); overflow: hidden;
}
details.panel > summary {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4);
  min-height: 56px; padding: var(--sp-4) var(--sp-5);
  cursor: pointer; font-weight: 700; list-style: none;
}
details.panel > summary::-webkit-details-marker { display: none; }
details.panel > summary::after {
  content: '+'; font-size: 1.5rem; line-height: 1; color: var(--signal-deep); flex: none;
}
details.panel[open] > summary::after { content: '\2212'; }
details.panel > summary:hover { background: rgba(11,93,158,0.06); }
.panel-body { padding: 0 var(--sp-5) var(--sp-5); }

/* ---------- Tables ---------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: var(--sp-5); }
table { border-collapse: collapse; width: 100%; font-size: var(--text-sm); }
th, td { text-align: left; padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--paper-line); vertical-align: top; }
th { font-weight: 700; white-space: nowrap; }

/* ---------- Forms ---------- */
label { display: block; font-weight: 600; margin-bottom: var(--sp-2); }
input[type="text"], input[type="email"], input[type="search"], select, textarea {
  width: 100%; min-height: var(--tap); padding: 0.7rem 0.95rem;
  font: inherit; color: inherit;
  background: rgba(241,235,223,0.06);
  border: 1px solid var(--ink-line-strong); border-radius: var(--radius-sm);
}
.paper input[type="text"], .paper input[type="email"], .paper input[type="search"],
.paper select, .paper textarea {
  background: #fff; color: var(--paper-text); border-color: var(--paper-line);
}
input::placeholder, textarea::placeholder { color: var(--text-faint); opacity: 1; }
.paper input::placeholder, .paper textarea::placeholder { color: var(--paper-dim); opacity: 0.85; }
.field { margin-bottom: var(--sp-4); }
.field-hint { font-size: var(--text-sm); color: var(--text-faint); margin-top: var(--sp-1); }
.paper .field-hint { color: var(--paper-dim); }

/* ---------- Utility ---------- */
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.no-print { }
.print-only { display: none; }
.flow-tight > * + * { margin-top: var(--sp-2); }

/* ---------- Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   PAGE MODULES
   ========================================================================== */

/* ---------- Shared bits ---------- */
.rounded { border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.hero-short { min-height: 0; padding-block: var(--sp-8) var(--sp-8); }
.jump-list { list-style: none; padding: 0; display: grid; gap: var(--sp-2); max-width: 46rem; }
.jump-list a {
  display: block; min-height: var(--tap); display: flex; align-items: center;
  padding: var(--sp-2) var(--sp-4); border-radius: var(--radius-sm);
  border: 1px solid var(--ink-line); text-decoration: none; font-weight: 600;
}
.paper .jump-list a { border-color: var(--paper-line); }
.jump-list a:hover { background: var(--signal-soft); }

.sources { font-size: var(--text-sm); }
.sources h3 { font-size: var(--text-sm); letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); margin-bottom: var(--sp-2); }
.paper .sources h3 { color: var(--paper-dim); }
.sources ul { list-style: none; padding: 0; display: grid; gap: var(--sp-2); max-width: none; }
.sources li { margin: 0; }
.sources a { word-break: break-word; }

table { border-collapse: collapse; width: 100%; font-size: var(--text-sm); }
caption { text-align: left; }
th, td { text-align: left; padding: var(--sp-3) var(--sp-4); vertical-align: top; border-bottom: 1px solid var(--ink-line); }
.paper th, .paper td { border-bottom-color: var(--paper-line); }
thead th { font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); border-bottom-width: 2px; }
.paper thead th { color: var(--paper-dim); }
.dark-table { min-width: 40rem; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ---------- Chips / facets / filter bar ---------- */
.chip {
  min-height: var(--tap); padding: 0.5rem 1.05rem;
  font: inherit; font-size: var(--text-sm); font-weight: 700;
  border-radius: 999px; border: 2px solid var(--ink-line-strong);
  background: transparent; color: var(--text); cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.chip:hover { border-color: var(--text); background: rgba(241,235,223,0.07); }
.chip[aria-pressed="true"] { background: var(--signal); border-color: var(--signal); color: #04182B; }
.paper .chip { border-color: var(--paper-line); color: var(--paper-text); }
.paper .chip:hover { background: rgba(16,32,58,0.06); border-color: var(--paper-text); }
.paper .chip[aria-pressed="true"] { background: var(--signal-deep); border-color: var(--signal-deep); color: #fff; }
.chip-row { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.filter-bar { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-2); margin: var(--sp-5) 0; }
.filter-count { margin-left: auto; font-size: var(--text-sm); }
.facets { display: grid; gap: var(--sp-4); }
.facet { display: grid; gap: var(--sp-2); }
.facet-label { font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; font-weight: 700; color: var(--paper-dim); }

/* ---------- Learn: climb meter ---------- */
.climb-panel {
  display: grid; gap: var(--sp-6); align-items: center;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  background: var(--ink-raise); border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg); padding: var(--sp-6);
}
.climb-panel-side { display: grid; gap: var(--sp-4); }
.climb-figure { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--sp-3); }
.climb-unit {
  border: 1px solid var(--ink-line); border-radius: var(--radius);
  padding: var(--sp-4); background: rgba(124,192,245,0.05);
}
.climb-unit h3 { font-size: var(--text-base); margin-bottom: var(--sp-2); }
.climb-count { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 600; line-height: 1; display: block; margin-bottom: var(--sp-1); }
.climb-status { font-size: var(--text-sm); color: var(--text-faint); }
@media (max-width: 60rem) {
  .climb-panel { grid-template-columns: 1fr; }
}
@media (max-width: 34rem) {
  .climb-figure { grid-template-columns: 1fr; }
}

/* ---------- Learn: tracks and modules ---------- */
.track { margin-bottom: var(--sp-7); }
.track-head { border-bottom: 2px solid var(--paper-line); padding-bottom: var(--sp-4); margin-bottom: var(--sp-5); }
.track-progress { margin-top: var(--sp-3); }
.track-progress-label { font-size: var(--text-sm); color: var(--paper-dim); display: block; margin-bottom: var(--sp-2); }
.module { margin-bottom: var(--sp-4); }
.module-summary { display: grid; gap: var(--sp-1); }
.module-title { font-weight: 700; font-size: var(--text-lg); }
.module-meta { font-size: var(--text-sm); color: var(--paper-dim); }
.scene {
  border-left: 3px solid var(--signal-deep);
  padding: var(--sp-1) 0 var(--sp-1) var(--sp-4);
  font-family: var(--font-display); font-size: var(--text-lg); font-style: italic;
  margin-bottom: var(--sp-4); max-width: var(--measure);
}
dl.gloss { margin: 0 0 var(--sp-4); display: grid; gap: var(--sp-3); max-width: var(--measure); }
dl.gloss > div { border-left: 2px solid var(--paper-line); padding-left: var(--sp-4); }
dl.gloss dt { font-weight: 700; }
dl.gloss dd { margin: 0; color: var(--paper-dim); font-size: var(--text-sm); }

/* ---------- Go Dark: offline panel ---------- */
.offline-panel {
  display: grid; gap: var(--sp-6); align-items: center;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  background: var(--ink-raise); border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg); padding: var(--sp-6);
}
.offline-panel h2 { margin-bottom: var(--sp-3); }
.offline-panel-action { display: grid; gap: var(--sp-2); }
@media (max-width: 56rem) { .offline-panel { grid-template-columns: 1fr; } }

/* ---------- Sentry ---------- */
.sentry-root { margin: var(--sp-6) 0; }
.sentry-card {
  background: var(--paper-2); border: 1px solid var(--paper-line);
  border-radius: var(--radius-lg); padding: var(--sp-6);
  box-shadow: var(--shadow-paper);
}
.sentry-question { font-family: var(--font-display); font-weight: 600; font-size: var(--text-2xl); line-height: 1.2; margin-bottom: var(--sp-5); }
.sentry-options { list-style: none; padding: 0; margin: 0 0 var(--sp-4); display: grid; gap: var(--sp-3); max-width: none; }
.sentry-options li { margin: 0; }
.sentry-option {
  width: 100%; min-height: var(--tap); text-align: left;
  display: flex; align-items: center; gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-5);
  font: inherit; font-weight: 600; color: var(--paper-text);
  background: #fff; border: 2px solid var(--paper-line);
  border-radius: var(--radius); cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.sentry-option:hover { border-color: var(--signal-deep); background: #F2F8FE; transform: translateX(2px); }
.sentry-option-label { flex: 1 1 auto; }
.sentry-option-arrow { flex: none; color: var(--signal-deep); font-weight: 700; }
.sentry-option-amber { border-color: var(--amber-deep); background: #FFF8EC; }
.sentry-option-amber:hover { border-color: var(--amber-deep); background: #FEF1DC; }
.sentry-option-amber .sentry-option-arrow { color: var(--amber-deep); }
.sentry-trail { font-size: var(--text-sm); color: var(--paper-dim); margin-bottom: var(--sp-4); }
.sentry-controls { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-5); }
.sentry-actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); }
.sentry-emergency {
  border: 2px solid var(--amber-deep); background: #FFF8EC;
  border-radius: var(--radius); padding: var(--sp-4) var(--sp-5); margin-bottom: var(--sp-5);
}
.sentry-emergency p:last-child { margin-bottom: 0; }
.sentry-guide { display: grid; gap: var(--sp-5); }

/* ---------- Phases (Sentry guides + printed cards) ---------- */
.phase { margin: 0; }
.phase-head { display: flex; align-items: center; gap: var(--sp-3); margin-bottom: var(--sp-3); }
.phase-label {
  font-size: var(--text-xs); letter-spacing: 0.18em; text-transform: uppercase; font-weight: 700;
  color: var(--paper-text); background: var(--paper-3);
  border-radius: 999px; padding: 0.28rem 0.85rem; flex: none;
}
.phase-line { flex: 1 1 auto; height: 1px; background: var(--paper-line); }
.phase + .phase { margin-top: var(--sp-5); }

/* ---------- Printable cards (screen presentation) ---------- */
.print-card { margin-bottom: var(--sp-6); }
.card-kicker {
  display: block; font-size: var(--text-xs); letter-spacing: 0.14em;
  text-transform: uppercase; font-weight: 700; color: var(--paper-dim);
  border-bottom: 1px solid var(--paper-line); padding-bottom: var(--sp-3); margin-bottom: var(--sp-4);
}
.fills { margin-top: var(--sp-5); border-top: 1px solid var(--paper-line); padding-top: var(--sp-4); }
.fills h3 { font-size: var(--text-sm); letter-spacing: 0.12em; text-transform: uppercase; color: var(--paper-dim); }
.fill { display: block; font-size: var(--text-sm); color: var(--paper-dim); margin-bottom: var(--sp-3); }
.fill::after { content: ""; display: block; border-bottom: 1px solid var(--paper-line); height: 1.2rem; }
.fill-2::after { height: 2.4rem; }
.footer-rule {
  margin-top: var(--sp-5); padding-top: var(--sp-3); border-top: 1px solid var(--paper-line);
  font-size: var(--text-xs); color: var(--paper-dim);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--sp-3);
}

/* ---------- Store ---------- */
.store-cover { border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.store-root { margin-top: var(--sp-6); }
.store-grid { align-items: stretch; }
.offering { display: flex; flex-direction: column; }
.offering-featured { border-color: var(--amber-deep); box-shadow: var(--shadow-paper); }
.offering-format { font-size: var(--text-sm); letter-spacing: 0.1em; text-transform: uppercase; font-weight: 700; color: var(--paper-dim); margin-bottom: var(--sp-2); }
.offering-price { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 600; line-height: 1; margin-bottom: var(--sp-4); }
.price-compare { font-size: var(--text-base); font-family: var(--font-ui); margin-left: 0.4em; }
.offering-features { list-style: none; padding: 0; margin: 0 0 var(--sp-5); font-size: var(--text-sm); display: grid; gap: var(--sp-2); }
.offering-features li { margin: 0; padding-left: 1.5em; position: relative; }
.offering-features li::before {
  content: ""; position: absolute; left: 0; top: 0.58em;
  width: 0.7em; height: 0.35em; border-left: 2px solid var(--good-deep);
  border-bottom: 2px solid var(--good-deep); transform: rotate(-45deg);
}
.offering-action { margin-top: auto; }
.store-fulfilment { margin-top: var(--sp-5); font-size: var(--text-sm); }

/* ---------- Library ---------- */
.book-series { font-size: var(--text-sm); letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-faint); margin-bottom: var(--sp-3); }
.book-link { font-weight: 700; margin-bottom: 0; }
.catalogue-grid { align-items: start; }
.catalogue-item { display: flex; flex-direction: column; }
.provenance { margin: 0 0 var(--sp-5); display: grid; gap: var(--sp-3); font-size: var(--text-sm); }
.provenance > div { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); gap: var(--sp-3); }
.provenance dt { font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; font-weight: 700; color: var(--paper-dim); padding-top: 0.15em; }
.provenance dd { margin: 0; }
.catalogue-item .btn { margin-top: auto; }
.request-form { margin-top: var(--sp-4); }
.request-form[hidden] { display: none; }
.request-actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); }
@media (max-width: 30rem) {
  .provenance > div { grid-template-columns: 1fr; gap: var(--sp-1); }
}

/* ---------- Glossary ---------- */
.gloss-head { padding-bottom: var(--sp-6); }
.gloss-controls {
  background: var(--paper-2); border: 1px solid var(--paper-line);
  border-radius: var(--radius-lg); padding: var(--sp-5);
  display: grid; gap: var(--sp-5); margin-bottom: var(--sp-6);
}
.field-search { margin-bottom: 0; max-width: 34rem; }
.gloss-status { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-4); justify-content: space-between; }
.gloss-list { display: grid; gap: var(--sp-4); }
.gloss-entry {
  background: var(--paper-2); border: 1px solid var(--paper-line);
  border-radius: var(--radius); padding: var(--sp-5); scroll-margin-top: 6rem;
}
.gloss-entry h3 { margin-bottom: var(--sp-2); }
.gloss-aka { font-size: var(--text-sm); color: var(--paper-dim); margin-bottom: var(--sp-3); }
.gloss-plain { font-size: var(--text-lg); margin-bottom: var(--sp-3); }
.gloss-precise { color: var(--paper-dim); }
.gloss-example {
  font-family: var(--font-display); font-style: italic;
  border-left: 3px solid var(--signal-deep); padding-left: var(--sp-4);
}
.gloss-related { font-size: var(--text-sm); display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-2); max-width: none; }
.gloss-related > span { color: var(--paper-dim); text-transform: uppercase; letter-spacing: 0.12em; font-size: var(--text-xs); font-weight: 700; }
.gloss-link {
  font: inherit; font-size: var(--text-sm); font-weight: 600;
  background: transparent; border: 1px solid var(--paper-line);
  border-radius: 999px; padding: 0.3rem 0.75rem; min-height: 34px;
  color: var(--signal-deep); cursor: pointer;
}
.gloss-link:hover { background: var(--signal-soft); border-color: var(--signal-deep); }
.gloss-source { font-size: var(--text-xs); margin-bottom: 0; }
.gloss-skeleton { display: grid; gap: var(--sp-4); }
.gloss-skeleton span {
  display: block; height: 7.5rem; border-radius: var(--radius);
  background: linear-gradient(90deg, var(--paper-3) 0%, var(--paper-2) 50%, var(--paper-3) 100%);
  background-size: 200% 100%; animation: gloss-shimmer 1.4s linear infinite;
}
@keyframes gloss-shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* ---------- Compass (calm defaults) ---------- */
body.calm { scroll-behavior: auto; }
body.calm *, body.calm *::before, body.calm *::after {
  animation: none !important;
  transition: none !important;
}
body.calm .btn:hover, body.calm a.card:hover { transform: none; }
body.calm p, body.calm li { max-width: 60ch; }
body.calm .lede { font-size: var(--text-lg); }
.calm-image { margin-top: var(--sp-6); }
.calm-steps { display: grid; gap: var(--sp-4); max-width: 60ch; }
.calm-card {
  background: var(--paper-2); border: 1px solid var(--paper-line);
  border-left: 4px solid var(--signal-deep);
  border-radius: var(--radius); padding: var(--sp-5);
  margin-bottom: var(--sp-4);
}
.calm-num { font-size: var(--text-xs); letter-spacing: 0.18em; text-transform: uppercase; font-weight: 700; color: var(--signal-deep); margin-bottom: var(--sp-2); }
.calm-card h3 { font-size: var(--text-lg); margin-bottom: var(--sp-3); }
.calm-card p:last-child { margin-bottom: 0; }

/* ---------- Print-only extras ---------- */
@media print {
  .gloss-controls, .filter-bar, .facets, .sentry-controls,
  .sentry-options, .offline-panel-action, .gloss-skeleton { display: none !important; }
  .calm-card, .gloss-entry { break-inside: avoid; }
}

/* ==========================================================================
   QA FIXES
   ========================================================================== */

/* Nav CTA: .nav-list a was winning the colour cascade over .btn-primary,
   leaving pale text on a pale button. */
.nav-list .btn-primary { color: #04182B; }
.nav-list .btn-primary:hover { color: #04182B; background: #A6D6FA; }
.nav-list .btn { min-height: 40px; }

/* Sentry moves focus to the question heading for screen-reader users.
   That is not an interactive control, so it should not draw a focus ring. */
.sentry-question:focus, .sentry-question:focus-visible { outline: none; }

/* Larger, easier checkboxes and a full-width tap area on every checklist row. */
.check { min-height: var(--tap); }
.check input[type="checkbox"] {
  width: 26px; height: 26px; flex: none;
  accent-color: var(--signal-deep);
}
.paper .check input[type="checkbox"] { accent-color: var(--signal-deep); }

/* Glossary: use the full width of the controls panel on wide screens, and
   give the source link and related-term buttons a comfortable target. */
@media (min-width: 60rem) {
  .gloss-controls {
    grid-template-columns: minmax(0, 22rem) minmax(0, 1fr);
    align-items: start;
    column-gap: var(--sp-7);
  }
  .gloss-status { grid-column: 1 / -1; }
}
.field-search { max-width: none; }
.field-search input { width: 100%; }
.gloss-source { font-size: var(--text-sm); }
.gloss-source a { display: inline-flex; align-items: center; min-height: 32px; }
.gloss-link { min-height: 40px; padding: 0.4rem 0.9rem; }

/* Inline links inside prose stay inline, but give them a slightly larger
   hit area vertically without disturbing line boxes. */
.card .book-link a, .sources a { display: inline-block; padding-block: 0.15rem; }

/* Tables inside .table-scroll are allowed to be wider than the viewport —
   that is the point of the scroller. Make the affordance visible. */
.table-scroll {
  border: 1px solid var(--ink-line); border-radius: var(--radius);
}
.paper .table-scroll { border-color: var(--paper-line); }
.table-scroll table { margin: 0; }
.table-scroll th:first-child, .table-scroll td:first-child { padding-left: var(--sp-4); }
.table-scroll tbody tr:last-child td { border-bottom: 0; }

/* .phase-line carries a short descriptive caption, not a rule. */
.phase-head { align-items: baseline; }
.phase-line {
  flex: 1 1 auto; height: auto; background: none;
  font-size: var(--text-xs); letter-spacing: 0.04em;
  color: var(--paper-dim); font-weight: 600;
}
.sentry-guide-title { font-size: var(--text-2xl); }
.sentry-guide ul { max-width: var(--measure); }
.sentry-guide .phase ul li { margin-bottom: var(--sp-3); }
@media print {
  .print-card .phase-line { display: none !important; }
}
.gloss-relaxed {
  margin: 0 0 var(--sp-5); padding: var(--sp-4) var(--sp-5);
  border-left: 3px solid var(--amber-deep);
  background: var(--paper-3); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--paper-text); font-size: var(--text-sm); font-weight: 600;
}

/* Source lists are navigation, not prose: give each one a real target. */
.sources li { margin-bottom: 0.35rem; }
.sources li a { display: inline-flex; align-items: center; min-height: 40px; padding-block: 0.35rem; }

/* Keyboard users need to be able to reach and scroll a wide table. */
.table-scroll:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }
@media (max-width: 46rem) {
  .table-scroll::after {
    content: "Scroll sideways to see the rest of this table.";
    display: block; padding: var(--sp-3) var(--sp-4);
    font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.04em;
    color: var(--text-faint); border-top: 1px solid var(--ink-line);
    position: sticky; left: 0;
  }
  .paper .table-scroll::after { color: var(--paper-dim); border-top-color: var(--paper-line); }
}

/* ==========================================================================
   QA FIX — Climb meter panel
   The panel is a dark card sitting inside a paper section, so it must set
   its own foreground colours instead of inheriting the paper ink. The
   earlier .climb-figure / .climb-unit rules were written for a different
   layout and turned the percentage into a grid with an empty bordered box.
   ========================================================================== */
.climb-panel { color: var(--text); align-items: start; }
.climb-panel .eyebrow { color: var(--signal); }
.climb-panel-main { display: grid; gap: var(--sp-3); }

.climb-figure {
  display: flex; align-items: baseline; gap: 0.1rem;
  font-family: var(--font-display); font-weight: 600; line-height: 0.9;
  font-size: clamp(3rem, 7vw, 4.5rem); letter-spacing: -0.02em;
  color: var(--text); margin: 0;
  grid-template-columns: none;
}
.climb-unit {
  border: 0; background: none; padding: 0;
  font-size: 0.45em; font-weight: 600; color: var(--signal);
  letter-spacing: 0;
}
.climb-panel .meter { background: rgba(241,235,223,0.18); height: 14px; }
.climb-count { color: var(--text); font-size: var(--text-xl); margin: 0; }
.climb-status { color: var(--text-dim); margin: 0; }

.climb-panel-side { border-left: 1px solid var(--ink-line); padding-left: var(--sp-6); }
.climb-panel-side h3 { color: var(--text); font-size: var(--text-base); margin: 0; }
.climb-panel-side .field-hint { color: var(--amber); }
.jump-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.1rem; }
.jump-list a {
  display: flex; align-items: center; min-height: var(--tap);
  color: var(--signal); text-decoration: none; font-weight: 600;
  border-bottom: 1px solid var(--ink-line); padding: 0.35rem 0;
}
.jump-list li:last-child a { border-bottom: 0; }
.jump-list a:hover, .jump-list a:focus-visible { color: var(--text); }
.climb-panel-side .btn-secondary {
  color: var(--text); border-color: var(--ink-line-strong); background: transparent;
  justify-self: start;
}
.climb-panel-side .btn-secondary:hover { background: rgba(241,235,223,0.08); color: var(--text); }

@media (max-width: 60rem) {
  .climb-panel-side { border-left: 0; border-top: 1px solid var(--ink-line); padding-left: 0; padding-top: var(--sp-5); }
}

/* ==========================================================================
   QA FIX — light components inside dark sections
   A paper-coloured card placed in a dark section was inheriting the dark
   section's light ink, which left near-invisible text. Every light surface
   now states its own foreground colour instead of trusting inheritance.
   ========================================================================== */
.calm-card, .calm-card h3, .calm-card p, .calm-card strong, .calm-card li {
  color: var(--paper-text);
}
.calm-card a { color: var(--signal-deep); }
.calm-card .calm-num { color: var(--signal-deep); }

/* The jump list is reused on paper sections (the printable cards index),
   where the light signal blue does not carry enough contrast. */
.paper .jump-list a, .print-card .jump-list a { color: var(--signal-deep); }
.paper .jump-list a { border-bottom-color: var(--paper-line); }
.paper .jump-list a:hover, .paper .jump-list a:focus-visible { color: var(--paper-text); }

/* The climb panel is a dark card inside a paper section, so it keeps the
   light signal blue rather than the paper-section link colour. */
.paper .climb-panel .jump-list a { color: var(--signal); border-bottom-color: var(--ink-line); }
.paper .climb-panel .jump-list a:hover,
.paper .climb-panel .jump-list a:focus-visible { color: var(--text); }

/* Learn: the one image on the page, sitting between the meter and the tracks. */
.learn-figure { margin: var(--sp-7) 0 var(--sp-6); }
.learn-figure img {
  display: block; width: 100%; height: auto;
  aspect-ratio: 3 / 2; object-fit: cover;
  border-radius: var(--radius-lg); border: 1px solid var(--paper-line);
}
.learn-figure figcaption {
  margin-top: var(--sp-3); font-size: var(--text-sm); color: var(--paper-dim);
  max-width: var(--measure);
}
.learn-figure img { max-height: 22rem; }