/* ============================================================
   Boison Publications Limited — design system
   Pass 1: tokens, primitives, layout, components.
   Single stylesheet, no build step, no dependencies.
   ============================================================ */

/* ---- 1. Tokens -------------------------------------------- */
:root{
  /* Brand — navy carries authority, gold carries warmth */
  --navy-900:#0C1826;
  --navy-800:#14243A;   /* inherited brand navy */
  --navy-700:#1E3454;
  --navy-600:#2C4970;
  --navy-400:#5A7C9E;

  --gold-600:#8A5A12;   /* inherited brand gold — text-safe on cream */
  --gold-500:#E0A32E;
  --gold-400:#F0B429;   /* primary accent — always paired with navy text */
  --gold-200:#FBE3AE;
  --gold-100:#FDF3DC;

  /* Surfaces */
  --cream:#FBF7EF;
  --cream-deep:#F4EDE0;
  --paper:#FFFFFF;
  --wash:#EDF2F8;

  /* Supporting accents — soft, used sparingly for level wayfinding */
  --green:#3F8E63;
  --green-soft:#E4F1E9;
  --orange:#E2703A;
  --orange-soft:#FBEAE1;
  --blue:#3C7BB8;
  --blue-soft:#E3EFF9;
  --plum:#7E5A9B;
  --plum-soft:#EFE8F5;
  --red:#D22B2B;        /* inherited — small accent only */

  /* Text */
  --ink:#14243A;
  --ink-soft:#4A5A6A;
  --ink-faint:#5F6C79;
  --on-dark:#F3F6FA;
  --on-dark-soft:#B9C6D6;

  /* Lines */
  --rule:#CBD9E7;
  --rule-warm:#E6DCC8;

  /* Type */
  --font-display:"Bricolage Grotesque","Trebuchet MS",system-ui,sans-serif;
  --font-body:"Figtree","Segoe UI",system-ui,-apple-system,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,"Courier New",monospace;

  /* Scale — fluid, clamps at both ends */
  --t-display:clamp(2.4rem,1.4rem + 4.2vw,4.4rem);
  --t-h1:clamp(2rem,1.3rem + 3vw,3.4rem);
  --t-h2:clamp(1.6rem,1.2rem + 1.7vw,2.5rem);
  --t-h3:clamp(1.12rem,1rem + .5vw,1.4rem);
  --t-body:clamp(1rem,.97rem + .16vw,1.075rem);
  --t-small:.9rem;
  --t-micro:.735rem;

  /* Space */
  --s-1:.25rem; --s-2:.5rem; --s-3:.75rem; --s-4:1rem;
  --s-5:1.5rem; --s-6:2rem; --s-7:3rem; --s-8:4rem; --s-9:6rem;

  /* Shape */
  --r-sm:8px; --r-md:14px; --r-lg:22px; --r-pill:999px;

  /* Elevation — soft, never harsh */
  --sh-1:0 1px 2px rgba(12,24,38,.05), 0 2px 6px rgba(12,24,38,.05);
  --sh-2:0 4px 10px rgba(12,24,38,.07), 0 12px 28px rgba(12,24,38,.07);
  --sh-3:0 10px 24px rgba(12,24,38,.10), 0 28px 60px rgba(12,24,38,.10);

  /* Motion */
  --ease:cubic-bezier(.22,.61,.36,1);
  --fast:140ms; --mid:260ms; --slow:520ms;

  /* Layout */
  --maxw:1180px;
  --maxw-narrow:720px;
  --gutter:clamp(1.15rem,4vw,2.5rem);
  --bar-h:68px;
}

/* ---- 2. Reset & base -------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--bar-h) + 12px)}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:var(--t-body);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block}
/* Components below set display explicitly, which would otherwise beat the
   user-agent rule for [hidden]. The finder relies on this. */
[hidden]{display:none!important}
/* Controls that only do something with JavaScript. The class is removed by
   an inline script before first paint, so these never appear and vanish. */
.no-js [data-needs-js]{display:none!important}
a{color:inherit}
button{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.1;letter-spacing:-.02em;margin:0;font-weight:700}
h1{font-size:var(--t-h1)}
h2{font-size:var(--t-h2)}
h3{font-size:var(--t-h3);letter-spacing:-.01em;line-height:1.25}
p{margin:0 0 var(--s-4)}
p:last-child{margin-bottom:0}
/* Give a heading room before its running text. Components that manage their
   own rhythm (.section-head, book cards) set their own margins and win on
   specificity. */
h1+p,h2+p{margin-top:var(--s-4)}
::selection{background:var(--gold-200);color:var(--navy-900)}

:focus-visible{
  outline:3px solid var(--gold-400);
  outline-offset:3px;
  border-radius:4px;
}

.skip{
  position:absolute;left:var(--s-4);top:-100px;z-index:200;
  background:var(--navy-800);color:var(--on-dark);
  padding:var(--s-3) var(--s-5);border-radius:var(--r-sm);
  transition:top var(--fast) var(--ease);
}
.skip:focus{top:var(--s-3)}

.visually-hidden{
  position:absolute!important;width:1px;height:1px;overflow:hidden;
  clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;
}

/* ---- 3. Layout primitives --------------------------------- */
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.wrap-narrow{max-width:var(--maxw-narrow)}
.section{padding-block:clamp(3rem,7vw,5.5rem)}
.section--tight{padding-block:clamp(2rem,4vw,3rem)}
.section--cream{background:var(--cream)}
.section--paper{background:var(--paper)}
.section--deep{background:var(--cream-deep)}
.section--navy{background:var(--navy-800);color:var(--on-dark)}
.section--navy h2,.section--navy h3{color:var(--paper)}
.section--navy p{color:var(--on-dark-soft)}
.hr-warm{border:0;border-top:1px solid var(--rule-warm);margin:0}

.section-head{max-width:62ch;margin-bottom:clamp(1.75rem,3.5vw,2.75rem)}
.section-head.centre{margin-inline:auto;text-align:center}
.section-head p{color:var(--ink-soft);margin-top:var(--s-3);margin-bottom:0}

.eyebrow{
  font-family:var(--font-mono);
  font-size:var(--t-micro);
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--gold-600);
  display:inline-flex;align-items:center;gap:var(--s-2);
  margin-bottom:var(--s-3);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold-400);border-radius:2px}
.section--navy .eyebrow{color:var(--gold-400)}

/* ---- 4. Buttons ------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:var(--s-2);
  padding:.78rem 1.35rem;
  border-radius:var(--r-pill);
  border:2px solid transparent;
  font-weight:650;font-size:.95rem;line-height:1.2;
  text-decoration:none;cursor:pointer;
  transition:transform var(--fast) var(--ease),box-shadow var(--fast) var(--ease),
             background-color var(--fast) var(--ease),border-color var(--fast) var(--ease),
             color var(--fast) var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn svg{width:1.15em;height:1.15em;fill:currentColor;flex:none}

.btn--primary{background:var(--navy-800);color:var(--paper);box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--navy-700);box-shadow:var(--sh-2)}

.btn--gold{background:var(--gold-400);color:var(--navy-900);box-shadow:var(--sh-1)}
.btn--gold:hover{background:var(--gold-500);box-shadow:var(--sh-2)}

.btn--ghost{background:transparent;color:var(--navy-800);border-color:var(--rule)}
.btn--ghost:hover{border-color:var(--navy-800);background:var(--paper)}
.section--navy .btn--ghost{color:var(--paper);border-color:rgba(255,255,255,.35)}
.section--navy .btn--ghost:hover{background:rgba(255,255,255,.08);border-color:var(--paper)}

.btn--wa{background:#0E7C39;color:#fff;box-shadow:var(--sh-1)}
.btn--wa:hover{background:#0A6830;box-shadow:var(--sh-2)}

.btn--sm{padding:.55rem 1rem;font-size:.86rem}
.btn--block{width:100%}

.link-more{
  display:inline-flex;align-items:center;gap:.45rem;
  font-weight:650;text-decoration:none;color:var(--navy-700);
  border-bottom:2px solid var(--gold-400);padding-bottom:2px;
  transition:gap var(--fast) var(--ease),color var(--fast) var(--ease);
}
.link-more:hover{gap:.8rem;color:var(--navy-900)}

/* ---- 5. Badges & pills ------------------------------------ */
.badge{
  display:inline-flex;align-items:center;gap:.4rem;
  font-family:var(--font-mono);font-size:var(--t-micro);
  letter-spacing:.07em;text-transform:uppercase;
  padding:.32rem .6rem;border-radius:var(--r-sm);
  border:1px solid transparent;line-height:1.3;
}
.badge--approved{background:var(--green-soft);color:#245F42;border-color:#BEDCCB}
.badge--supports{background:var(--blue-soft);color:#245478;border-color:#C4DDF1}
.badge--level{background:var(--gold-100);color:var(--gold-600);border-color:var(--gold-200)}
.badge--series{background:var(--wash);color:var(--ink-soft);border-color:var(--rule)}

/* ---- 6. Header & navigation (§6) -------------------------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(251,247,239,.88);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--rule-warm);
  transition:box-shadow var(--mid) var(--ease),background-color var(--mid) var(--ease);
}
.site-header.is-stuck{box-shadow:var(--sh-1);background:rgba(251,247,239,.96)}

.header-in{
  max-width:var(--maxw);margin-inline:auto;
  padding:0 var(--gutter);
  min-height:var(--bar-h);
  display:flex;align-items:center;gap:var(--s-4);
  flex-wrap:nowrap;
}

.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;flex:none}
/* The mark is the artwork in assets/favicon.svg, drawn from the sprite so
   the header, the footer and the browser tab all show one drawing. */
.brand-mark{
  width:38px;height:38px;flex:none;
  border-radius:10px;
  box-shadow:var(--sh-1);
}
.footer-brand .brand-mark{width:44px;height:44px;border-radius:11px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-family:var(--font-display);font-weight:700;font-size:1.02rem;letter-spacing:-.02em}
.brand-sub{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-faint)}

.primary-nav{margin-left:auto;display:flex;align-items:center;gap:2px;flex:0 0 auto}
.primary-nav a,.nav-disclosure{
  display:inline-flex;align-items:center;gap:.3rem;
  padding:.5rem .55rem;border-radius:var(--r-sm);
  text-decoration:none;font-size:.9rem;font-weight:550;
  color:var(--ink);background:none;border:0;cursor:pointer;white-space:nowrap;
  transition:background-color var(--fast) var(--ease),color var(--fast) var(--ease);
}
.primary-nav a:hover,.nav-disclosure:hover{background:var(--cream-deep);color:var(--navy-900)}
.primary-nav a[aria-current="page"]{color:var(--navy-900);box-shadow:inset 0 -2px 0 var(--gold-400)}

.nav-item{position:relative}
.nav-disclosure svg{width:.7em;height:.7em;fill:currentColor;transition:transform var(--fast) var(--ease)}
.nav-disclosure[aria-expanded="true"] svg{transform:rotate(180deg)}
.nav-panel{
  position:absolute;top:calc(100% + 10px);left:0;
  min-width:255px;padding:var(--s-3);
  background:var(--paper);border:1px solid var(--rule-warm);
  border-radius:var(--r-md);box-shadow:var(--sh-3);
  display:none;
}
.nav-panel[data-open="true"]{display:block}
.nav-panel a{
  display:flex;align-items:baseline;gap:.5rem;
  padding:.45rem .6rem;border-radius:var(--r-sm);font-size:.92rem;
}
.nav-panel .n-count{margin-left:auto;font-family:var(--font-mono);font-size:var(--t-micro);color:var(--ink-faint)}

.header-actions{display:flex;align-items:center;gap:var(--s-2);flex:0 0 auto;margin-left:auto}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;
  border:1px solid var(--rule-warm);background:var(--paper);
  border-radius:var(--r-sm);cursor:pointer;
  transition:border-color var(--fast) var(--ease),background-color var(--fast) var(--ease);
}
.icon-btn:hover{border-color:var(--navy-800)}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}

.nav-toggle{display:none}
.nav-toggle .bars{display:block;width:19px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle .bars::before,.nav-toggle .bars::after{
  content:"";position:absolute;left:0;width:19px;height:2px;background:currentColor;border-radius:2px;
  transition:transform var(--fast) var(--ease),top var(--fast) var(--ease);
}
.nav-toggle .bars::before{top:-6px}
.nav-toggle .bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .bars{background:transparent}
.nav-toggle[aria-expanded="true"] .bars::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .bars::after{top:0;transform:rotate(-45deg)}

/* Header search (§24 entry point) — a toggled row, so it never
   competes with the nav for horizontal space. */
.header-search-row{
  display:none;
  border-top:1px solid var(--rule-warm);
  background:var(--paper);
  padding-block:var(--s-4);
}
.header-search-row[data-open="true"]{display:block}
.search-field{position:relative;display:flex;gap:var(--s-3);align-items:center}
.search-field input{
  flex:1;min-width:0;
  padding:.72rem .9rem .72rem 2.4rem;
  font:inherit;font-size:1rem;color:var(--ink);
  background:var(--cream);border:1px solid var(--rule-warm);border-radius:var(--r-pill);
  transition:border-color var(--fast) var(--ease),background-color var(--fast) var(--ease);
}
.search-field input:focus{border-color:var(--navy-600);background:var(--paper)}
.search-field .s-icon{
  position:absolute;left:.95rem;width:17px;height:17px;pointer-events:none;
  fill:none;stroke:var(--ink-faint);stroke-width:2;stroke-linecap:round;
}
.search-toggle[aria-expanded="true"]{background:var(--navy-800);color:var(--paper);border-color:var(--navy-800)}

/* Mobile drawer */
.mobile-nav{
  display:none;
  border-top:1px solid var(--rule-warm);
  background:var(--cream);
  padding:var(--s-4) var(--gutter) var(--s-6);
}
.mobile-nav[data-open="true"]{display:block}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:.8rem .2rem;text-decoration:none;font-weight:600;
  border-bottom:1px solid var(--rule-warm);
}
.mobile-nav .m-group{
  font-family:var(--font-mono);font-size:var(--t-micro);letter-spacing:.14em;
  text-transform:uppercase;color:var(--ink-faint);
  padding-top:var(--s-5);padding-bottom:var(--s-2);
}
.mobile-nav .m-levels{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--s-2)}
.mobile-nav .m-levels a{
  justify-content:flex-start;border:1px solid var(--rule-warm);border-radius:var(--r-sm);
  padding:.6rem .7rem;font-size:.9rem;font-weight:550;background:var(--paper);
}
.mobile-nav .m-cta{margin-top:var(--s-5);display:grid;gap:var(--s-3)}
.mobile-nav .m-cta a{border:0;padding:.78rem 1.35rem;justify-content:center}

/* The header carries seven nav items, a search field and the WhatsApp
   button. Each drops out at the width where it stops fitting. */
@media(max-width:1420px){
  /* The number is still one tap away on the button itself. */
  .header-actions .btn .wa-number{display:none}
  .header-actions .btn{padding:.55rem .7rem}
}
@media(max-width:1320px){
  .primary-nav a[href$="about/"]{display:none}
}
@media(max-width:1180px){
  .primary-nav{display:none}
  .nav-toggle{display:grid}
}
@media(max-width:560px){
  .brand-sub{display:none}
  .header-actions .btn{display:none}
  .search-field .btn{display:none}
}

/* Floating WhatsApp (mobile) */
.wa-float{
  position:fixed;right:16px;bottom:16px;z-index:90;
  display:none;box-shadow:var(--sh-3);
}
@media(max-width:1180px){.wa-float{display:inline-flex}}

/* ---- 7. Hero (§7) ----------------------------------------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 480px at 88% -8%,var(--gold-100) 0%,transparent 62%),
    radial-gradient(700px 420px at 4% 108%,var(--blue-soft) 0%,transparent 60%),
    var(--cream);
  padding-block:clamp(2.75rem,6.5vw,5.25rem);
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:var(--rule-warm);
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:clamp(2rem,5vw,4rem);align-items:center;
}
.hero h1{font-size:var(--t-display);letter-spacing:-.03em}
.hero h1 em{font-style:normal;color:var(--gold-600);position:relative;white-space:nowrap}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:.16em;
  background:var(--gold-200);border-radius:var(--r-pill);z-index:-1;
}
.hero-lede{
  font-size:clamp(1.06rem,1rem + .45vw,1.28rem);
  color:var(--ink-soft);max-width:52ch;margin-top:var(--s-4);
}
.hero-range{
  display:inline-flex;align-items:center;gap:.55rem;
  background:var(--paper);border:1px solid var(--rule-warm);
  border-radius:var(--r-pill);padding:.4rem .9rem .4rem .5rem;
  font-family:var(--font-mono);font-size:var(--t-micro);
  letter-spacing:.1em;text-transform:uppercase;color:var(--navy-700);
  box-shadow:var(--sh-1);margin-bottom:var(--s-4);
}
.hero-range .dot{width:9px;height:9px;border-radius:50%;background:var(--gold-400);margin-left:.35rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:var(--s-3);margin-top:var(--s-6)}
.hero-note{
  margin-top:var(--s-5);font-size:var(--t-small);color:var(--ink-faint);
  display:flex;align-items:center;gap:.5rem;
}
.hero-note svg{width:16px;height:16px;fill:var(--green);flex:none}

/* Layered cover composition */
.cover-stack{
  position:relative;display:grid;place-items:center;
  min-height:clamp(300px,42vw,430px);
}
.cover-stack img{
  position:absolute;width:clamp(140px,20vw,196px);height:auto;
  border-radius:6px;background:var(--paper);
  box-shadow:var(--sh-3);
  transition:transform var(--slow) var(--ease);
}
.cover-stack img:nth-child(1){transform:translate(-46%,-6%) rotate(-8deg);z-index:1}
.cover-stack img:nth-child(2){transform:translate(0,4%) rotate(2deg);z-index:3}
.cover-stack img:nth-child(3){transform:translate(46%,-3%) rotate(9deg);z-index:2}
.cover-stack:hover img:nth-child(1){transform:translate(-52%,-8%) rotate(-11deg)}
.cover-stack:hover img:nth-child(3){transform:translate(52%,-5%) rotate(12deg)}
.cover-stack::before{
  content:"";position:absolute;width:76%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,var(--gold-200) 0%,transparent 68%);
  opacity:.75;
}

@media(max-width:860px){
  .hero-grid{grid-template-columns:1fr;text-align:left}
  .cover-stack{order:-1;min-height:270px}
  .cover-stack img{width:min(38vw,160px)}
}

/* ---- 8. Trust strip (§8) ---------------------------------- */
.trust-strip{
  background:var(--navy-800);color:var(--on-dark);
  padding-block:var(--s-5);
}
.trust-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));
  gap:var(--s-4) var(--s-6);
}
.trust-item{display:flex;align-items:flex-start;gap:.7rem}
.trust-item svg{width:22px;height:22px;flex:none;fill:none;stroke:var(--gold-400);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;margin-top:2px}
.trust-item strong{display:block;font-family:var(--font-display);font-size:.98rem;letter-spacing:-.01em}
.trust-item span{display:block;font-size:var(--t-small);color:var(--on-dark-soft);line-height:1.45}

/* ---- 9. Level cards (§9) ---------------------------------- */
.level-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(158px,1fr));
  gap:var(--s-4);
}
.level-card{
  display:flex;flex-direction:column;gap:var(--s-2);
  padding:var(--s-5) var(--s-4);
  background:var(--paper);border:1px solid var(--rule-warm);
  border-radius:var(--r-md);text-decoration:none;
  position:relative;overflow:hidden;
  transition:transform var(--fast) var(--ease),box-shadow var(--fast) var(--ease),border-color var(--fast) var(--ease);
}
.level-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:5px;background:var(--tone,var(--gold-400));
}
.level-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--tone,var(--gold-400))}
.level-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--tone-soft,var(--gold-100));margin-top:var(--s-2);
}
.level-icon svg{width:23px;height:23px;fill:none;stroke:var(--tone,var(--gold-600));stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.level-card h3{font-size:1.06rem}
.level-card .l-age{font-family:var(--font-mono);font-size:var(--t-micro);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint)}
.level-card .l-count{margin-top:auto;padding-top:var(--s-3);font-size:var(--t-small);color:var(--ink-soft);font-weight:600}

/* ---- 10. Book cards (§11) --------------------------------- */
.book-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(228px,1fr));
  gap:clamp(1rem,2.4vw,1.75rem);
}
.book-card{
  display:flex;flex-direction:column;
  background:var(--paper);border:1px solid var(--rule-warm);
  border-radius:var(--r-md);overflow:hidden;
  transition:transform var(--fast) var(--ease),box-shadow var(--fast) var(--ease);
}
.book-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.book-cover{
  position:relative;background:var(--wash);
  aspect-ratio:620/810;overflow:hidden;
  border-bottom:1px solid var(--rule-warm);
}
.book-cover img{width:100%;height:100%;object-fit:contain;transition:transform var(--slow) var(--ease)}
.book-card:hover .book-cover img{transform:scale(1.035)}
/* The badge sits under the cover, not over it — these are real book covers
   with their own artwork and titles to read. */
.book-body .badge{align-self:flex-start;margin:.15rem 0 .1rem}
.book-body{padding:var(--s-4);display:flex;flex-direction:column;gap:.35rem;flex:1}
.book-body h3{font-size:1.02rem;margin:0}
.book-body h3 a{
  text-decoration:none;
  background-image:linear-gradient(var(--gold-400),var(--gold-400));
  background-size:0 2px;background-position:0 100%;background-repeat:no-repeat;
  transition:background-size var(--fast) var(--ease);
}
.book-card:hover h3 a,.book-body h3 a:focus-visible{background-size:100% 2px}
/* The whole card is clickable, with the title as the real link. */
.book-body h3 a::after{content:"";position:absolute;inset:0}
.book-card{position:relative}
.book-card .btn{position:relative;z-index:1}
.book-level{font-family:var(--font-mono);font-size:var(--t-micro);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint)}
.book-subject{font-size:var(--t-small);color:var(--ink-soft);margin:0}
.book-blurb{font-size:var(--t-small);color:var(--ink-soft);line-height:1.5;margin:0}
.book-price{font-family:var(--font-display);font-weight:700;font-size:1.12rem;letter-spacing:-.02em;margin:.35rem 0 0}
.book-price small{display:block;font-family:var(--font-mono);font-size:var(--t-micro);font-weight:400;color:var(--ink-faint);letter-spacing:.06em;text-transform:uppercase}
.book-actions{margin-top:auto;padding-top:var(--s-4);display:flex;gap:var(--s-2);flex-wrap:wrap}
.book-actions .btn{flex:1 1 auto;justify-content:center}

/* ---- 10b. Breadcrumb -------------------------------------- */
.breadcrumb{background:var(--cream-deep);border-bottom:1px solid var(--rule-warm);font-size:var(--t-small)}
.breadcrumb ol{
  list-style:none;margin:0;display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;
  padding-block:.7rem;
}
.breadcrumb li{display:flex;align-items:center;gap:.5rem;color:var(--ink-soft)}
.breadcrumb li+li::before{content:"/";color:var(--rule);font-size:.9em}
.breadcrumb a{color:var(--ink-soft);text-decoration:none}
.breadcrumb a:hover{color:var(--navy-900);text-decoration:underline;text-underline-offset:3px}
.breadcrumb [aria-current="page"]{color:var(--ink);font-weight:600}

/* ---- 10c. Book detail page (§12) -------------------------- */
.book-detail{display:grid;grid-template-columns:minmax(220px,340px) 1fr;gap:clamp(1.75rem,4.5vw,3.5rem);align-items:start}
.book-detail-cover{position:relative}
.book-detail-cover img{
  width:100%;height:auto;border-radius:var(--r-md);
  background:var(--wash);border:1px solid var(--rule-warm);box-shadow:var(--sh-3);
}
.book-detail-cover .badge{position:absolute;left:12px;top:12px;right:12px;width:fit-content;max-width:calc(100% - 24px);background:var(--paper);box-shadow:var(--sh-1)}
.book-detail-body h1{margin:.35rem 0 0;font-size:var(--t-h1)}
.book-detail-lede{font-size:clamp(1.02rem,1rem + .35vw,1.18rem);color:var(--ink-soft);margin-top:var(--s-4);max-width:56ch}

.spec{
  margin:var(--s-6) 0 0;padding:0;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1px;
  background:var(--rule-warm);border:1px solid var(--rule-warm);border-radius:var(--r-md);overflow:hidden;
}
.spec>div{background:var(--paper);padding:.85rem 1rem}
.spec dt{
  font-family:var(--font-mono);font-size:var(--t-micro);letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-faint);margin-bottom:.25rem;
}
.spec dd{margin:0;font-weight:600}
.spec-note{display:block;font-weight:400;font-size:var(--t-small);color:var(--ink-faint)}

.book-detail-cta{display:flex;flex-wrap:wrap;gap:var(--s-3);margin-top:var(--s-6)}
.book-detail-levels{margin-top:var(--s-5);font-size:var(--t-small);color:var(--ink-soft)}
.book-detail-levels .badge{text-decoration:none;margin-left:.25rem}
.book-detail-levels .badge:hover{border-color:var(--gold-600)}

/* Running text under a heading, as on the book detail page. */
.prose h2{margin-bottom:var(--s-4)}
.prose p{max-width:64ch}
.prose p+p{margin-top:var(--s-4)}

.cover-pending{
  margin-top:var(--s-4);padding:.7rem .9rem;
  background:var(--gold-100);border:1px solid var(--gold-200);border-radius:var(--r-sm);
  font-size:var(--t-small);color:var(--gold-600);line-height:1.5;
}
.cover-pending a{color:inherit;font-weight:600}

.note{margin-top:var(--s-5);font-size:var(--t-small);color:var(--ink-faint);max-width:62ch}

.skill-list{list-style:none;margin:var(--s-5) 0 0;padding:0;display:flex;flex-wrap:wrap;gap:var(--s-3)}
.skill-list li{
  display:inline-flex;align-items:center;gap:.55rem;
  padding:.55rem 1rem;background:var(--paper);
  border:1px solid var(--rule-warm);border-radius:var(--r-pill);font-weight:600;
}
.skill-list svg{width:17px;height:17px;fill:none;stroke:var(--green);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}

@media(max-width:720px){
  .book-detail{grid-template-columns:1fr}
  .book-detail-cover{max-width:260px}
}

/* ---- 10d. Take a look inside (§13) ------------------------ */
.inside-grid{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:var(--s-4);
}
.inside-thumb{
  position:relative;display:block;width:100%;padding:0;cursor:zoom-in;
  background:var(--wash);border:1px solid var(--rule-warm);border-radius:var(--r-md);
  overflow:hidden;
  transition:transform var(--fast) var(--ease),box-shadow var(--fast) var(--ease);
}
.inside-thumb:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.inside-thumb img{width:100%;height:auto;display:block}
.inside-zoom{
  position:absolute;right:8px;bottom:8px;width:32px;height:32px;
  display:grid;place-items:center;border-radius:50%;
  background:rgba(12,24,38,.72);
}
.inside-zoom svg{width:16px;height:16px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round}

.lightbox{
  position:fixed;inset:0;z-index:200;display:none;
  background:rgba(12,24,38,.92);
  padding:clamp(1rem,4vw,3rem);
}
.lightbox[data-open="true"]{display:grid;grid-template-rows:auto 1fr auto;gap:var(--s-4)}
.lightbox img{margin:auto;max-width:100%;max-height:100%;border-radius:var(--r-sm);box-shadow:var(--sh-3)}
.lightbox-bar{display:flex;justify-content:space-between;align-items:center;gap:var(--s-4);color:var(--on-dark-soft)}
.lightbox-bar .icon-btn{background:transparent;border-color:rgba(255,255,255,.3);color:#fff}
.lightbox-bar .icon-btn:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.lightbox-caption{font-size:var(--t-small);text-align:center;color:var(--on-dark-soft)}
.lightbox-nav{display:flex;justify-content:center;gap:var(--s-3)}

/* ---- 10e. Level page hero -------------------------------- */
.level-hero .section-head{position:relative}
.level-hero .level-icon{margin:0 0 var(--s-4)}
.level-hero .eyebrow{color:var(--tone,var(--gold-600))}
.level-hero .eyebrow::before{background:var(--tone,var(--gold-400))}

/* Link out of a grid to the fuller listing. */
.grid-more{margin-top:clamp(1.5rem,3vw,2.25rem);text-align:center}
.grid-more svg{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.link-more svg{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---- 11. Book finder (§14) -------------------------------- */
.finder{
  background:var(--paper);border:1px solid var(--rule-warm);
  border-radius:var(--r-lg);padding:clamp(1.25rem,3vw,2rem);
  box-shadow:var(--sh-1);
}
.finder-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:var(--s-4);align-items:end}
.finder-row .btn{width:100%;justify-content:center}
.field{display:flex;flex-direction:column;gap:.4rem}
.field label{
  font-family:var(--font-mono);font-size:var(--t-micro);
  letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);
}
.field select,.field input[type="search"],.field input[type="text"]{
  appearance:none;-webkit-appearance:none;
  padding:.7rem .85rem;font:inherit;font-size:.95rem;color:var(--ink);
  background:var(--cream);border:1px solid var(--rule-warm);border-radius:var(--r-sm);
  transition:border-color var(--fast) var(--ease),background-color var(--fast) var(--ease);
}
.field select{
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' fill='none' stroke='%234A5A6A' stroke-width='1.8' stroke-linecap='round'/></svg>");
  background-repeat:no-repeat;background-position:right .8rem center;background-size:11px;
  padding-right:2.1rem;
}
.field select:focus,.field input:focus{border-color:var(--navy-600);background:var(--paper)}
.finder-status{
  margin-top:var(--s-4);font-size:var(--t-small);color:var(--ink-soft);
  display:flex;align-items:center;justify-content:space-between;gap:var(--s-3);flex-wrap:wrap;
}
.finder-results{margin-top:var(--s-5)}
.finder-empty{
  padding:var(--s-6) var(--s-4);text-align:center;color:var(--ink-soft);
  border:1px dashed var(--rule-warm);border-radius:var(--r-md);background:var(--cream);
}
.chip-reset{
  background:none;border:0;cursor:pointer;font-size:var(--t-small);
  color:var(--navy-700);text-decoration:underline;text-underline-offset:3px;padding:0;
}

/* ---- 11b. Forms (§18, §26) -------------------------------- */
.enquiry-form{
  background:var(--paper);border:1px solid var(--rule-warm);
  border-radius:var(--r-lg);padding:clamp(1.25rem,3vw,2rem);box-shadow:var(--sh-1);
}
.field-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:var(--s-4)}
.enquiry-form .field{margin-bottom:var(--s-4)}
.enquiry-form input,.enquiry-form textarea,.enquiry-form select{
  padding:.72rem .85rem;font:inherit;font-size:.98rem;color:var(--ink);
  background:var(--cream);border:1px solid var(--rule-warm);border-radius:var(--r-sm);
  width:100%;
  transition:border-color var(--fast) var(--ease),background-color var(--fast) var(--ease);
}
.enquiry-form textarea{resize:vertical;min-height:6rem;font-family:inherit}
.enquiry-form input:focus,.enquiry-form textarea:focus,.enquiry-form select:focus{
  border-color:var(--navy-600);background:var(--paper);
}
/* Only flag a field once the visitor has actually interacted with it —
   :invalid alone paints every empty required field red on page load. */
.enquiry-form input:user-invalid,
.enquiry-form textarea:user-invalid,
.enquiry-form select:user-invalid{border-color:var(--red);background:#FFF6F6}
.optional{font-weight:400;text-transform:none;letter-spacing:0;color:var(--ink-faint)}
.form-actions{display:flex;flex-wrap:wrap;gap:var(--s-3);margin-top:var(--s-2)}
.form-note{margin-top:var(--s-4);font-size:var(--t-small);color:var(--ink-faint)}

/* ---- 11c. Order builder (§25) ---------------------------- */
.order-builder{
  margin-top:var(--s-6);padding:var(--s-5);
  background:var(--cream);border:1px solid var(--rule-warm);border-radius:var(--r-md);
  display:flex;flex-wrap:wrap;align-items:flex-end;gap:var(--s-4);
}
.order-builder .qty{display:flex;flex-direction:column;gap:.4rem}
.order-builder label{
  font-family:var(--font-mono);font-size:var(--t-micro);
  letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);
}
.qty-control{display:flex;align-items:stretch;border:1px solid var(--rule-warm);border-radius:var(--r-sm);overflow:hidden;background:var(--paper)}
.qty-control input{
  width:4.5rem;border:0;text-align:center;font:inherit;font-weight:650;font-size:1rem;
  background:transparent;color:var(--ink);-moz-appearance:textfield;
}
.qty-control input::-webkit-outer-spin-button,
.qty-control input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.qty-btn{
  width:2.6rem;border:0;background:var(--cream-deep);cursor:pointer;
  font-size:1.15rem;line-height:1;color:var(--navy-800);
  transition:background-color var(--fast) var(--ease);
}
.qty-btn:hover{background:var(--gold-200)}
.order-builder .form-note{width:100%;margin-top:0}

/* ---- 11d. Contact cards (§26) ---------------------------- */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:clamp(1rem,2.5vw,1.5rem)}
.contact-card{
  display:flex;flex-direction:column;gap:.35rem;
  padding:var(--s-5);background:var(--paper);text-decoration:none;
  border:1px solid var(--rule-warm);border-radius:var(--r-md);
  transition:transform var(--fast) var(--ease),box-shadow var(--fast) var(--ease),border-color var(--fast) var(--ease);
}
a.contact-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--tone,var(--gold-400))}
.contact-card--static{background:var(--cream)}
.contact-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--tone-soft,var(--gold-100));margin-bottom:var(--s-3);
}
.contact-icon svg{width:22px;height:22px;fill:var(--tone,var(--gold-600))}
.contact-icon--stroke svg{fill:none;stroke:var(--tone,var(--gold-600));stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.contact-card h2{font-size:1.05rem;margin:0}
.contact-value{font-weight:650;margin:0;word-break:break-word}
.contact-note{font-size:var(--t-small);color:var(--ink-faint);margin:0}

/* ---- 11e. Split columns and tick lists ------------------- */
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:clamp(1.5rem,4vw,3rem)}
.split h3{margin-bottom:var(--s-4)}
.tick-list{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.tick-list li{display:flex;align-items:flex-start;gap:.6rem;font-size:.97rem}
.tick-list svg{width:18px;height:18px;flex:none;margin-top:4px;fill:none;stroke:var(--green);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.tick-list a{color:var(--navy-700);font-weight:600;text-underline-offset:3px}
.tick-list .muted{color:var(--ink-faint);font-size:var(--t-small)}
.tick-list--inline{
  grid-auto-flow:column;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  margin-top:clamp(1.5rem,3vw,2.25rem);
}
@media(max-width:720px){.tick-list--inline{grid-auto-flow:row;grid-template-columns:1fr}}
.section--deep .tick-list li,.section--navy .tick-list li{color:var(--ink)}
.section--navy .tick-list li{color:var(--on-dark-soft)}

/* ---- 11f. About page ------------------------------------- */
.statement h2{font-size:clamp(1.4rem,1.1rem + 1.2vw,1.9rem);margin-bottom:var(--s-4)}
.statement p{color:var(--ink-soft);max-width:52ch}

.series-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--s-4)}
.series-list li{
  display:flex;align-items:center;gap:var(--s-4);
  padding:var(--s-4);background:var(--paper);
  border:1px solid var(--rule-warm);border-radius:var(--r-md);
}
.series-list img{
  width:64px;height:auto;flex:none;border-radius:4px;
  background:var(--wash);box-shadow:var(--sh-1);
}
.series-list h3{font-size:1rem;margin:0 0 .2rem}
.muted{color:var(--ink-faint);font-size:var(--t-small);margin:0}

/* ---- 11g. Resources (§23) -------------------------------- */
.resource-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:clamp(1rem,2.5vw,1.5rem)}
.resource-card{
  padding:var(--s-5);background:var(--paper);
  border:1px solid var(--rule-warm);border-radius:var(--r-md);
  border-top:4px solid var(--tone,var(--gold-400));
  transition:transform var(--fast) var(--ease),box-shadow var(--fast) var(--ease);
}
.resource-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.resource-card h3{font-size:1.05rem;margin-bottom:var(--s-2)}
.resource-card h3 a{text-decoration:none;border-bottom:2px solid var(--gold-400)}
.resource-card p{font-size:var(--t-small);color:var(--ink-soft);margin:0 0 var(--s-2)}

.resource-empty{
  padding:clamp(1.25rem,3vw,2rem);
  background:var(--paper);border:1px dashed var(--rule-warm);
  border-left:4px solid var(--tone,var(--gold-400));border-radius:var(--r-md);
  max-width:70ch;
}
.resource-empty>p:first-child{margin-bottom:var(--s-2)}
.resource-empty .tick-list{margin-top:var(--s-4)}
.section--cream .resource-empty{background:var(--cream-deep)}

/* ---- 12. Pillars (§15) ------------------------------------ */
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:clamp(1rem,2.5vw,1.75rem)}
.pillar{
  padding:var(--s-5);background:var(--paper);
  border:1px solid var(--rule-warm);border-radius:var(--r-md);
}
.pillar-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:var(--tone-soft,var(--gold-100));margin-bottom:var(--s-4);
}
.pillar-icon svg{width:24px;height:24px;fill:none;stroke:var(--tone,var(--gold-600));stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.pillar h3{margin-bottom:var(--s-2)}
.pillar p{font-size:var(--t-small);color:var(--ink-soft);line-height:1.6;margin:0}

/* ---- 13. Curriculum / approval (§16) ---------------------- */
.approval-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(1.5rem,4vw,3rem);align-items:center}
.approval-list{list-style:none;margin:var(--s-4) 0 0;padding:0;display:grid;gap:var(--s-3)}
.approval-list li{
  display:flex;gap:.7rem;align-items:flex-start;
  padding:.85rem 1rem;background:var(--paper);
  border:1px solid var(--rule-warm);border-radius:var(--r-sm);
}
.approval-list svg{width:18px;height:18px;flex:none;margin-top:3px;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.approval-list .is-approved svg{stroke:var(--green)}
.approval-list .is-supports svg{stroke:var(--blue)}
.approval-list strong{display:block;font-size:.95rem}
.approval-list span{font-size:var(--t-small);color:var(--ink-soft)}
@media(max-width:820px){.approval-grid{grid-template-columns:1fr}}

/* ---- 14. Audience panels (§17 / §20) ---------------------- */
.audience{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:clamp(1rem,2.5vw,1.75rem)}
.audience-card{
  padding:clamp(1.4rem,3vw,2.1rem);border-radius:var(--r-lg);
  border:1px solid var(--rule-warm);background:var(--paper);
  display:flex;flex-direction:column;
}
.audience-card--navy{background:var(--navy-800);color:var(--on-dark);border-color:var(--navy-700)}
.audience-card--navy h3{color:var(--paper)}
.audience-card--navy .eyebrow{color:var(--gold-400)}
.audience-card ul{list-style:none;margin:var(--s-4) 0 var(--s-5);padding:0;display:grid;gap:.65rem}
.audience-card li{display:flex;gap:.6rem;align-items:flex-start;font-size:.95rem;line-height:1.5}
.audience-card li::before{
  content:"";width:7px;height:7px;border-radius:50%;flex:none;margin-top:.55rem;
  background:var(--gold-400);
}
.audience-card--navy li{color:var(--on-dark-soft)}
.audience-card .btn{margin-top:auto;align-self:flex-start}
.panel-more{margin:var(--s-4) 0 0;font-size:var(--t-small)}
.audience-card--navy .panel-more .link-more{color:var(--gold-400);border-color:var(--gold-400)}

/* ---- 15. Steps (§ how to order) --------------------------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:clamp(1rem,2.5vw,1.75rem);counter-reset:step}
.step{position:relative;padding:var(--s-5);background:var(--paper);border:1px solid var(--rule-warm);border-radius:var(--r-md)}
.step-n{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--gold-400);color:var(--navy-900);
  font-family:var(--font-mono);font-weight:600;font-size:.95rem;
  margin-bottom:var(--s-4);
}
.step p{font-size:var(--t-small);color:var(--ink-soft);margin:var(--s-2) 0 0}

/* ---- 16. Price table -------------------------------------- */
.price-table-wrap{
  background:var(--paper);border:1px solid var(--rule-warm);
  border-radius:var(--r-md);overflow:hidden;
}
.price-table{width:100%;border-collapse:collapse;font-size:.95rem}
.price-table th,.price-table td{padding:.78rem 1.1rem;text-align:left;border-bottom:1px solid var(--rule-warm)}
.price-table thead th{
  background:var(--cream-deep);font-family:var(--font-mono);
  font-size:var(--t-micro);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);font-weight:500;
}
.price-table tbody tr:last-child td{border-bottom:0}
.price-table tbody tr:hover{background:var(--gold-100)}
.price-table .p{text-align:right;font-family:var(--font-display);font-weight:650;white-space:nowrap}
.price-note{margin-top:var(--s-4);font-size:var(--t-small);color:var(--ink-faint)}

/* ---- 17. Testimonials (§21) ------------------------------- */
/* NOT CURRENTLY ON THE PAGE. The section was removed from index.html until
   there are real, attributable quotes to publish. These styles are kept so
   restoring it is a markup-only change — see git history for the markup. */
.quote-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:clamp(1rem,2.5vw,1.75rem)}
.quote-card{
  padding:var(--s-5);background:var(--paper);border:1px solid var(--rule-warm);
  border-radius:var(--r-md);position:relative;
}
.quote-card::before{
  content:"\201C";position:absolute;top:-6px;left:16px;
  font-family:var(--font-display);font-size:4rem;color:var(--gold-200);line-height:1;
}
.quote-card blockquote{margin:var(--s-4) 0 var(--s-4);font-size:1rem;line-height:1.6}
.quote-card cite{font-style:normal;font-size:var(--t-small);color:var(--ink-faint);font-family:var(--font-mono);letter-spacing:.05em}
.quote-placeholder{
  border:1px dashed var(--rule-warm);background:var(--cream);
  border-radius:var(--r-md);padding:var(--s-6);text-align:center;color:var(--ink-soft);
}
.quote-placeholder p{max-width:52ch;margin-inline:auto}

/* ---- 18. Footer (§27) ------------------------------------- */
.site-footer{background:var(--navy-900);color:var(--on-dark-soft);padding-block:clamp(2.5rem,5vw,4rem) var(--s-6)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:clamp(1.5rem,3.5vw,2.5rem)}
.site-footer .footer-heading{
  font-family:var(--font-mono);font-size:var(--t-micro);letter-spacing:.14em;
  text-transform:uppercase;color:var(--gold-400);font-weight:500;margin-bottom:var(--s-4);
}
.site-footer a{color:var(--on-dark-soft);text-decoration:none;transition:color var(--fast) var(--ease)}
.site-footer a:hover{color:var(--paper);text-decoration:underline;text-underline-offset:3px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.55rem;font-size:.93rem}
.footer-brand .brand-mark{margin-bottom:var(--s-4)}
.footer-tag{font-family:var(--font-display);font-size:1.15rem;color:var(--paper);letter-spacing:-.02em;line-height:1.25;margin-bottom:var(--s-3)}
.footer-brand p{font-size:.93rem;line-height:1.6}
.footer-bottom{
  margin-top:clamp(2rem,4vw,3rem);padding-top:var(--s-5);
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:var(--s-4);flex-wrap:wrap;
  font-size:var(--t-small);color:#8397AC;
}
@media(max-width:880px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr}}

/* ---- 19. Motion & reveals (§29) --------------------------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity var(--slow) var(--ease),transform var(--slow) var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:70ms}
.reveal[data-delay="2"]{transition-delay:140ms}
.reveal[data-delay="3"]{transition-delay:210ms}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important;
  }
  .reveal{opacity:1;transform:none}
  .btn:hover,.book-card:hover,.level-card:hover{transform:none}
}

/* ---- 20. Print -------------------------------------------- */
@media print{
  .site-header,.wa-float,.mobile-nav,.header-search-row,.finder,.btn{display:none!important}
  .reveal{opacity:1!important;transform:none!important}
  body{background:#fff}
  .book-card,.price-table-wrap{break-inside:avoid}
}