/* ==========================================================================
   EXAMYARD — site stylesheet
   Palette taken verbatim from IGCSE/Physics 0625/_build.py (the book build).
   Navy #1e3a5f · muted gold #a9884d · slate ink #2f3d4d · ivory panels.
   Kept light: pale panels with a navy rule, never heavy solid colour bars.
   ========================================================================== */

:root{
  /* --- core palette (book) --- */
  --navy:        #1e3a5f;
  --navy-deep:   #22303f;
  --navy-mid:    #3f6f96;
  --navy-soft:   #4a7fa5;
  --gold:        #a9884d;
  --gold-deep:   #8a6f38;
  --gold-light:  #c9a86a;
  --gold-bright: #d8b25e;

  --ink:         #2f3d4d;
  --ink-mid:     #4a5766;
  --ink-soft:    #5f6b78;
  --ink-faint:   #93a9bd;
  --warm-grey:   #8b7f74;

  /* --- grounds --- */
  --paper:       #ffffff;
  --ivory:       #f8f6f1;
  --ivory-warm:  #faf4ea;
  --ivory-deep:  #f4f1ea;
  --blue-pale:   #eef3f7;
  --blue-pale-2: #eaf0f4;

  /* --- lines --- */
  --line:        #dde4ea;
  --line-warm:   #e4dccd;
  --line-blue:   #c6d7e4;

  /* --- semantic (book keeps these) --- */
  --terracotta:  #9c4a3c;
  --terracotta-bg:#f6ebe7;
  --green:       #4a7a63;

  /* --- type --- */
  --serif: "Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;
  --display: "Cormorant Garamond","Iowan Old Style",Palatino,Georgia,serif;
  --sans: "Inter","Helvetica Neue",Helvetica,Arial,sans-serif;

  --wrap: 1140px;
  --wrap-narrow: 760px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;background:var(--ivory);color:var(--ink);
  font-family:var(--serif);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--navy);text-decoration:none}
a:hover{color:var(--gold-deep)}
h1,h2,h3,h4{margin:0;font-weight:400;color:var(--navy-deep);line-height:1.15}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.15em}
li{margin-bottom:.4em}
hr{border:0;border-top:1px solid var(--line-warm);margin:0}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 28px}
.wrap-narrow{max-width:var(--wrap-narrow)}
section{padding:76px 0}
section.tight{padding:52px 0}
.on-paper{background:var(--paper);border-top:1px solid var(--line-warm);border-bottom:1px solid var(--line-warm)}
.on-blue{background:var(--blue-pale);border-top:1px solid var(--line-blue);border-bottom:1px solid var(--line-blue)}
.on-warm{background:var(--ivory-warm);border-top:1px solid var(--line-warm);border-bottom:1px solid var(--line-warm)}

/* ---------- type helpers ---------- */
.eyebrow{
  font-family:var(--sans);font-size:11px;font-weight:600;
  letter-spacing:2.4px;text-transform:uppercase;color:var(--gold-deep);
  margin:0 0 14px;
}
.eyebrow.navy{color:var(--navy)}
.display{font-family:var(--display);font-weight:600;letter-spacing:-.5px}
h1.display{font-size:clamp(38px,6vw,62px);line-height:1.04}
h2.display{font-size:clamp(28px,3.6vw,40px);line-height:1.1}
h3{font-family:var(--display);font-size:25px;font-weight:600}
.lead{font-size:19px;line-height:1.62;color:var(--ink-mid)}
.small{font-size:14.5px;color:var(--ink-soft)}
.sans{font-family:var(--sans)}
.gold-rule{width:44px;height:3px;background:var(--gold-bright);border:0;margin:22px 0}
.gold-rule.center{margin-left:auto;margin-right:auto}
.centred{text-align:center}
.muted{color:var(--ink-soft)}
.section-head{max-width:660px;margin-bottom:44px}
.section-head.centred{margin-left:auto;margin-right:auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--sans);font-size:14px;font-weight:600;letter-spacing:.3px;
  padding:13px 26px;border-radius:2px;border:1px solid transparent;
  transition:background .15s,color .15s,border-color .15s;cursor:pointer;
}
.btn-primary{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn-primary:hover{background:var(--navy-deep);color:#fff}
.btn-gold{background:var(--gold);color:#fff;border-color:var(--gold)}
.btn-gold:hover{background:var(--gold-deep);color:#fff}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--line-blue)}
.btn-ghost:hover{background:var(--blue-pale);color:var(--navy);border-color:var(--navy-soft)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(248,246,241,.94);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--line-warm);
}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy-deep)}
.brand:hover{color:var(--navy-deep)}
.brand .glyph{flex:0 0 auto}
.brand .wm{font-family:var(--sans);font-size:16.5px;letter-spacing:.2px;font-weight:400;white-space:nowrap}
.brand .wm b{font-weight:800}
.nav{display:flex;align-items:center;gap:26px}
.nav a{
  font-family:var(--sans);font-size:14px;font-weight:500;color:var(--ink-mid);
  padding:6px 0;border-bottom:2px solid transparent;
}
.nav a:hover{color:var(--navy)}
.nav a.is-active{color:var(--navy);border-bottom-color:var(--gold)}
/* .nav a would otherwise out-specify .btn and strip its padding and colour */
.nav a.btn{padding:11px 22px;border-bottom:0}
.nav a.btn-gold,.nav a.btn-gold:hover{color:#fff}
.nav a.btn-primary,.nav a.btn-primary:hover{color:#fff}
.nav-cta{margin-left:4px}
.nav-toggle{display:none;background:none;border:1px solid var(--line-warm);border-radius:2px;padding:8px 10px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--navy);margin:3.5px 0}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:88px 0 76px;background:var(--ivory)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:
    radial-gradient(760px 420px at 78% 12%, #eef4f8 0%, rgba(238,244,248,0) 68%),
    radial-gradient(620px 380px at 8% 88%, #faf1de 0%, rgba(250,241,222,0) 70%);
}
.hero .wrap{position:relative}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}
.hero p.lead{max-width:36em}
.hero-figure{position:relative}
.hero-figure img{
  border:1px solid var(--line-warm);
  box-shadow:0 1px 2px rgba(30,58,95,.06),0 18px 44px -18px rgba(30,58,95,.28);
}
.hero-figure .tag{
  position:absolute;left:-16px;bottom:26px;background:var(--paper);
  border:1px solid var(--line-warm);border-left:3px solid var(--gold);
  padding:11px 16px;font-family:var(--sans);font-size:12px;line-height:1.45;
  box-shadow:0 10px 26px -14px rgba(30,58,95,.35);
}
.hero-figure .tag b{display:block;color:var(--navy);font-size:13px;font-weight:700}

/* ---------- stat tiles (book :::tiles) ---------- */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-warm);
  border:1px solid var(--line-warm);margin-top:40px}
.tile{background:var(--paper);padding:22px 20px}
.tile .n{font-family:var(--display);font-size:34px;font-weight:600;color:var(--navy);line-height:1}
.tile .k{font-family:var(--sans);font-size:11px;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--gold-deep);margin-top:9px;font-weight:600}
.tile .d{font-size:14px;color:var(--ink-soft);margin-top:6px;line-height:1.45}

/* ---------- cards ---------- */
.grid{display:grid;gap:26px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--paper);border:1px solid var(--line-warm);
  border-top:3px solid var(--navy);padding:30px 28px;
}
.card.gold{border-top-color:var(--gold)}
.card h3{margin-bottom:10px}
.card p:last-child{margin-bottom:0}
.card .num{
  font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:2px;
  color:var(--gold-deep);display:block;margin-bottom:12px;
}

/* ---------- book panels ---------- */
.book{
  display:grid;grid-template-columns:200px 1fr;gap:34px;align-items:start;
  background:var(--paper);border:1px solid var(--line-warm);padding:34px;
}
.book .shot{border:1px solid var(--line-warm);background:var(--ivory-deep)}
.book .shot.placeholder{
  aspect-ratio:1/1.414;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:22px;background:var(--navy);color:#fff;border-color:var(--navy);
}
.book .shot.placeholder .t{font-family:var(--display);font-size:22px;font-weight:600;line-height:1.15}
.book .shot.placeholder .e{font-family:var(--sans);font-size:9.5px;letter-spacing:2px;
  text-transform:uppercase;color:rgba(255,255,255,.7);margin-bottom:14px}
.book .shot.placeholder .r{width:34px;height:2px;background:var(--gold-bright);margin:14px 0}
.book .shot.placeholder .s{font-family:var(--sans);font-size:10.5px;color:rgba(255,255,255,.72);line-height:1.5}
.book-meta{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 20px}

/* ---------- badges ---------- */
.badge{
  display:inline-block;font-family:var(--sans);font-size:11px;font-weight:600;
  letter-spacing:1.2px;text-transform:uppercase;padding:5px 10px;border-radius:2px;
}
.badge-core{background:var(--blue-pale);color:var(--navy);border:1px solid var(--line-blue)}
.badge-supp{background:var(--ivory-warm);color:var(--gold-deep);border:1px solid var(--line-warm)}
.badge-live{background:#eef7f2;color:var(--green);border:1px solid #cfe4d9}
.badge-soon{background:var(--ivory-deep);color:var(--warm-grey);border:1px solid var(--line-warm)}
.badge-free{background:var(--terracotta-bg);color:var(--terracotta);border:1px solid #e7d2cc}

/* ---------- table (book :::strip head) ---------- */
.strip{width:100%;border-collapse:collapse;background:var(--paper);
  border:1px solid var(--line-warm);font-size:15.5px}
.strip thead th{
  background:var(--blue-pale);border-bottom:2px solid var(--navy);
  font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:1.4px;
  text-transform:uppercase;color:var(--navy);text-align:left;padding:13px 16px;
}
.strip td{border-bottom:1px solid var(--line);padding:13px 16px;vertical-align:top}
.strip tbody tr:last-child td{border-bottom:0}
.strip tbody tr:hover{background:var(--ivory)}
.strip .code{font-family:var(--sans);font-size:12.5px;font-weight:700;color:var(--gold-deep);white-space:nowrap}
.strip .num{font-family:var(--sans);font-size:13.5px;color:var(--ink-soft);text-align:center}
.strip .ch{color:var(--navy-deep);font-weight:400}
.strip .ch small{display:block;font-size:13.5px;color:var(--ink-soft);margin-top:3px;line-height:1.45}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* section band inside the chapter table */
.strip tr.band td{
  background:var(--ivory-warm);border-bottom:1px solid var(--line-warm);
  font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:1.8px;
  text-transform:uppercase;color:var(--gold-deep);padding:11px 16px;
}

/* ---------- pricing ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan{background:var(--paper);border:1px solid var(--line-warm);padding:32px 28px;position:relative}
.plan.feature{border-color:var(--navy);border-top:3px solid var(--navy);box-shadow:0 16px 40px -24px rgba(30,58,95,.4)}
.plan .flag{
  position:absolute;top:-1px;right:20px;background:var(--gold);color:#fff;
  font-family:var(--sans);font-size:10px;font-weight:700;letter-spacing:1.6px;
  text-transform:uppercase;padding:5px 11px;
}
.plan h3{font-size:22px;margin-bottom:6px}
.plan .amount{font-family:var(--display);font-size:44px;font-weight:600;color:var(--navy);line-height:1;margin:18px 0 4px}
.plan .amount small{font-family:var(--sans);font-size:13px;font-weight:600;color:var(--ink-soft);letter-spacing:.5px}
.plan .per{font-family:var(--sans);font-size:12.5px;color:var(--ink-soft);letter-spacing:.3px}
.plan ul{list-style:none;padding:0;margin:22px 0 26px;font-size:15.5px}
.plan li{padding-left:24px;position:relative;margin-bottom:11px;color:var(--ink-mid)}
/* gold lozenge, echoing the diamond on the book cover */
.plan li::before{content:"";position:absolute;left:1px;top:.66em;width:8px;height:8px;
  background:var(--gold);transform:rotate(45deg)}
.plan li.off{color:var(--ink-faint)}
.plan li.off::before{background:none;border-top:2px solid var(--line);transform:none;
  top:.82em;left:0;width:11px;height:0}
.plan .btn{width:100%;justify-content:center}

/* ---------- steps ---------- */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border:1px solid var(--line-warm);background:var(--line-warm);gap:1px}
.step{background:var(--paper);padding:28px 24px;position:relative}
.step .k{font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:2px;
  text-transform:uppercase;color:var(--gold-deep)}
.step h3{font-size:21px;margin:10px 0 8px}
.step p{font-size:15px;color:var(--ink-soft);margin:0}

/* ---------- figure showcase ---------- */
.figure-card{background:var(--paper);border:1px solid var(--line-warm);padding:24px}
.figure-card figcaption{font-family:var(--sans);font-size:12.5px;color:var(--ink-soft);
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.figure-card figcaption b{color:var(--navy);font-weight:600}

/* ---------- quote ---------- */
.quote{border:1px solid var(--line-warm);background:var(--paper);padding:38px 42px;text-align:center}
.quote p{font-family:var(--display);font-size:25px;line-height:1.4;color:var(--navy-deep);
  font-style:italic;margin:0 0 14px}
.quote cite{font-family:var(--sans);font-size:12px;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--gold-deep);font-style:normal}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line-warm)}
.faq details{border-bottom:1px solid var(--line-warm)}
.faq summary{
  cursor:pointer;list-style:none;padding:22px 40px 22px 0;position:relative;
  font-family:var(--display);font-size:21px;font-weight:600;color:var(--navy-deep);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:8px;top:31px;width:9px;height:9px;
  border-right:2px solid var(--gold);border-bottom:2px solid var(--gold);
  transform:rotate(45deg);transition:transform .18s;
}
.faq details[open] summary::after{transform:rotate(-135deg);top:35px}
.faq .answer{padding:0 0 24px;color:var(--ink-mid);max-width:70ch}
.faq .answer p:last-child{margin-bottom:0}

/* ---------- callout ---------- */
.note{
  background:var(--blue-pale);border:1px solid var(--line-blue);border-left:3px solid var(--navy);
  padding:20px 24px;font-size:15.5px;
}
.note.warm{background:var(--ivory-warm);border-color:var(--line-warm);border-left-color:var(--gold)}
.note .k{font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:1.6px;
  text-transform:uppercase;color:var(--navy);display:block;margin-bottom:7px}
.note.warm .k{color:var(--gold-deep)}
.note p:last-child{margin-bottom:0}

/* ---------- cta band ---------- */
.cta-band{background:var(--navy);color:#fff;padding:66px 0}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.78);max-width:52ch}
.cta-band .gold-rule{background:var(--gold-bright)}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.36)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.6)}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:48px;flex-wrap:wrap}

/* ---------- form ---------- */
.field{margin-bottom:20px}
.field label{display:block;font-family:var(--sans);font-size:12px;font-weight:600;
  letter-spacing:1.2px;text-transform:uppercase;color:var(--navy);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--serif);font-size:16px;color:var(--ink);
  background:var(--paper);border:1px solid var(--line);border-radius:2px;padding:12px 14px;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--navy-soft);box-shadow:0 0 0 3px rgba(74,127,165,.14)}
.field textarea{min-height:150px;resize:vertical}
.field .hint{font-family:var(--sans);font-size:12.5px;color:var(--ink-soft);margin-top:6px}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-deep);color:rgba(255,255,255,.72);padding:60px 0 30px;font-size:15px}
.site-footer h4{font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:2px;
  text-transform:uppercase;color:var(--gold-light);margin-bottom:16px}
.site-footer a{color:rgba(255,255,255,.72);display:block;padding:5px 0}
.site-footer a:hover{color:#fff}
.site-footer .brand{color:#fff;margin-bottom:14px}
.site-footer .brand:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px}
.footer-bottom{
  margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-family:var(--sans);font-size:12.5px;color:rgba(255,255,255,.5);
}
.footer-bottom p{margin:0;max-width:64ch}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-figure{max-width:400px}
  .grid-3,.grid-4,.price-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .tiles{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  body{font-size:16.5px}
  section{padding:56px 0}
  .wrap{padding:0 20px}
  .nav{
    display:none;position:absolute;top:70px;left:0;right:0;background:var(--paper);
    border-bottom:1px solid var(--line-warm);flex-direction:column;align-items:stretch;
    gap:0;padding:8px 20px 18px;box-shadow:0 18px 30px -22px rgba(30,58,95,.5);
  }
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav a.is-active{border-bottom-color:var(--line)}
  .nav .btn{justify-content:center;margin-top:12px}
  .nav-toggle{display:block}
  .grid-2,.grid-3,.grid-4,.price-grid,.steps{grid-template-columns:1fr}
  .book{grid-template-columns:1fr;gap:26px}
  .book .shot{max-width:210px}
  .quote{padding:28px 24px}
  .quote p{font-size:21px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px}
  .hero-figure .tag{left:0;bottom:-14px}
}

/* ---------- print ---------- */
@media print{
  .site-header,.site-footer,.cta-band,.btn{display:none}
  body{background:#fff;font-size:11pt}
}

/* status badges in the chapter table must not wrap */
.strip td .badge{white-space:nowrap}

/* ==========================================================================
   SHOP — announcement bar, hero carousel, product cards, buy box, cart.
   Structure follows jafperfumes.com; palette stays the book's.
   ========================================================================== */

/* ---------- announcement bar ---------- */
.announce{background:var(--navy);color:#fff;text-align:center;
  font-family:var(--sans);font-size:12.5px;letter-spacing:.4px;padding:9px 20px}
.announce a{color:var(--gold-bright);border-bottom:1px solid rgba(216,178,94,.5)}
.announce a:hover{color:#fff;border-bottom-color:#fff}

/* ---------- cart button in the header ---------- */
.cart-btn{display:inline-flex;align-items:center;gap:7px;position:relative;
  font-family:var(--sans);font-size:14px;font-weight:500;color:var(--ink-mid);padding:6px 0}
.cart-btn:hover{color:var(--navy)}
.cart-btn .count{min-width:18px;height:18px;border-radius:9px;background:var(--gold);color:#fff;
  font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;padding:0 5px}
.cart-btn .count[data-empty="1"]{background:var(--line);color:var(--ink-soft)}

/* ---------- hero carousel ---------- */
.carousel{position:relative;background:var(--ivory)}
.slides{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;
  -ms-overflow-style:none;scrollbar-width:none}
.slides::-webkit-scrollbar{display:none}
.slide{flex:0 0 100%;scroll-snap-align:start;position:relative;min-height:520px;
  display:flex;align-items:center;background-size:cover;background-position:center}
.slide::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(248,246,241,.96) 0%,rgba(248,246,241,.82) 38%,rgba(248,246,241,0) 68%)}
.slide.right::after{background:linear-gradient(270deg,rgba(248,246,241,.96) 0%,rgba(248,246,241,.82) 38%,rgba(248,246,241,0) 68%)}
.slide .wrap{position:relative;z-index:2}
.slide-copy{max-width:31em}
.slide.right .slide-copy{margin-left:auto;text-align:right}
.slide.right .gold-rule{margin-left:auto}
.slide.right .btn-row{justify-content:flex-end}
.carousel .arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line-warm);
  background:rgba(255,255,255,.9);cursor:pointer;display:grid;place-items:center;padding:0}
.carousel .arrow:hover{background:#fff;border-color:var(--navy-soft)}
.carousel .arrow i{width:9px;height:9px;border-right:2px solid var(--navy);border-bottom:2px solid var(--navy)}
.carousel .prev{left:18px}.carousel .prev i{transform:rotate(135deg);margin-left:3px}
.carousel .next{right:18px}.carousel .next i{transform:rotate(-45deg);margin-right:3px}
.dots{position:absolute;bottom:22px;left:0;right:0;z-index:5;display:flex;justify-content:center;gap:9px}
.dots button{width:8px;height:8px;padding:0;border-radius:50%;border:1px solid var(--navy);
  background:transparent;cursor:pointer}
.dots button[aria-current="true"]{background:var(--gold);border-color:var(--gold)}

/* ---------- product cards ---------- */
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pcard{background:var(--paper);border:1px solid var(--line-warm);display:flex;flex-direction:column;
  position:relative;transition:box-shadow .18s,border-color .18s}
.pcard:hover{border-color:var(--line-blue);box-shadow:0 20px 44px -30px rgba(30,58,95,.55)}
.pcard .shot{background:var(--ivory-deep);padding:20px;display:grid;place-items:center;min-height:300px;
  border-bottom:1px solid var(--line-warm)}
.pcard .shot img{max-height:280px;width:auto;filter:drop-shadow(0 12px 22px rgba(30,58,95,.18))}
.pcard .body{padding:24px;display:flex;flex-direction:column;flex:1}
.pcard .kicker{font-family:var(--sans);font-size:10.5px;font-weight:700;letter-spacing:2px;
  text-transform:uppercase;color:var(--gold-deep);margin-bottom:9px}
.pcard h3{font-size:23px;margin-bottom:8px}
.pcard p{font-size:15px;color:var(--ink-soft);margin-bottom:16px}
.pcard .price{font-family:var(--display);font-size:27px;font-weight:600;color:var(--navy);
  margin-top:auto;display:flex;align-items:baseline;gap:10px}
.pcard .price small{font-family:var(--sans);font-size:12px;font-weight:600;color:var(--ink-soft);letter-spacing:.4px}
.pcard .price del{font-family:var(--sans);font-size:15px;color:var(--ink-faint);font-weight:400}
.pcard .btn{margin-top:16px;justify-content:center}
.save{position:absolute;top:14px;right:14px;z-index:2;background:var(--gold);color:#fff;
  font-family:var(--sans);font-size:10.5px;font-weight:700;letter-spacing:1.4px;
  text-transform:uppercase;padding:6px 11px}
.save.navy{background:var(--navy)}
.save.quiet{background:var(--ivory-warm);color:var(--gold-deep);border:1px solid var(--line-warm)}

/* ---------- section tiles ---------- */
.tilegrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.stile{background:var(--paper);border:1px solid var(--line-warm);overflow:hidden;display:block;
  transition:box-shadow .18s,border-color .18s}
.stile:hover{border-color:var(--line-blue);box-shadow:0 18px 40px -28px rgba(30,58,95,.5)}
.stile img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--ivory-deep)}
.stile .cap{padding:18px 20px;border-top:1px solid var(--line-warm)}
.stile .cap .n{font-family:var(--sans);font-size:10.5px;font-weight:700;letter-spacing:1.8px;
  text-transform:uppercase;color:var(--gold-deep)}
.stile .cap h3{font-size:21px;margin:6px 0 4px}
.stile .cap p{font-size:13.5px;color:var(--ink-soft);margin:0}

/* ---------- buy box on a product page ---------- */
.buy{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.gallery .main{background:var(--ivory-deep);border:1px solid var(--line-warm);padding:34px;
  display:grid;place-items:center;min-height:420px}
.gallery .main img{max-height:520px;width:auto;filter:drop-shadow(0 16px 30px rgba(30,58,95,.2))}
.gallery .thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.gallery .thumbs button{width:78px;height:78px;padding:6px;background:var(--paper);cursor:pointer;
  border:1px solid var(--line-warm);display:flex;align-items:center;justify-content:center;overflow:hidden}
.gallery .thumbs button[aria-current="true"]{border-color:var(--navy);box-shadow:inset 0 0 0 1px var(--navy)}
.gallery .thumbs img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.buybox .price{font-family:var(--display);font-size:42px;font-weight:600;color:var(--navy);
  line-height:1;margin:16px 0 6px;display:flex;align-items:baseline;gap:12px}
.buybox .price small{font-family:var(--sans);font-size:14px;font-weight:600;color:var(--ink-soft)}
.buybox .price del{font-family:var(--sans);font-size:19px;color:var(--ink-faint);font-weight:400}
.buybox .qty{display:flex;align-items:center;gap:0;border:1px solid var(--line);width:fit-content}
.buybox .qty button{width:40px;height:44px;background:var(--paper);border:0;cursor:pointer;
  font-size:18px;color:var(--navy);font-family:var(--sans)}
.buybox .qty button:hover{background:var(--blue-pale)}
.buybox .qty input{width:52px;height:44px;border:0;border-left:1px solid var(--line);
  border-right:1px solid var(--line);text-align:center;font-family:var(--sans);font-size:15px;color:var(--ink)}
.buy-actions{display:flex;gap:12px;margin:22px 0 8px;flex-wrap:wrap}
.buy-actions .btn{flex:1;min-width:180px;justify-content:center}
.trust{border-top:1px solid var(--line-warm);margin-top:26px;padding-top:22px;
  display:grid;gap:13px;font-size:15px;color:var(--ink-mid)}
.trust div{padding-left:26px;position:relative}
.trust div::before{content:"";position:absolute;left:2px;top:.5em;width:8px;height:8px;
  background:var(--gold);transform:rotate(45deg)}

/* ---------- cart ---------- */
.cart-line{display:grid;grid-template-columns:96px 1fr auto auto;gap:20px;align-items:center;
  padding:20px 0;border-bottom:1px solid var(--line-warm)}
.cart-line .shot{background:var(--ivory-deep);border:1px solid var(--line-warm);padding:8px;
  display:grid;place-items:center;height:96px}
.cart-line .shot img{max-height:78px;width:auto}
.cart-line h3{font-size:20px;margin-bottom:3px}
.cart-line .meta{font-family:var(--sans);font-size:13px;color:var(--ink-soft)}
.cart-line .line-price{font-family:var(--display);font-size:23px;font-weight:600;color:var(--navy);white-space:nowrap}
.cart-line .drop{background:none;border:0;cursor:pointer;color:var(--ink-faint);
  font-family:var(--sans);font-size:13px;padding:6px}
.cart-line .drop:hover{color:var(--terracotta)}
.cart-total{display:flex;justify-content:space-between;align-items:baseline;
  padding:24px 0;font-family:var(--display);font-size:30px;font-weight:600;color:var(--navy)}
.cart-total span:first-child{font-family:var(--sans);font-size:12px;font-weight:700;
  letter-spacing:2px;text-transform:uppercase;color:var(--ink-soft)}
.cart-empty{text-align:center;padding:70px 20px;border:1px dashed var(--line-warm);background:var(--paper)}

/* ---------- newsletter band ---------- */
.news{background:var(--ivory-warm);border-top:1px solid var(--line-warm);
  border-bottom:1px solid var(--line-warm);padding:64px 0}
.news form{display:flex;gap:10px;max-width:470px;margin-top:24px;flex-wrap:wrap}
.news input{flex:1;min-width:220px;font-family:var(--serif);font-size:16px;padding:13px 15px;
  border:1px solid var(--line-warm);background:var(--paper);border-radius:2px;color:var(--ink)}
.news input:focus{outline:0;border-color:var(--gold);box-shadow:0 0 0 3px rgba(169,136,77,.15)}

/* ---------- video band ---------- */
.vband{position:relative;overflow:hidden;background:var(--navy-deep);min-height:460px;
  display:flex;align-items:center}
.vband video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
.vband .wrap{position:relative;z-index:2}
.vband h2,.vband h2.display{color:#fff}
.vband p{color:rgba(255,255,255,.8);max-width:46ch}
.vband .gold-rule{background:var(--gold-bright)}

/* ---------- toast ---------- */
.toast{position:fixed;right:20px;bottom:20px;z-index:200;background:var(--navy);color:#fff;
  font-family:var(--sans);font-size:14px;padding:14px 20px;border-left:3px solid var(--gold-bright);
  box-shadow:0 20px 44px -20px rgba(0,0,0,.55);opacity:0;transform:translateY(10px);
  transition:opacity .2s,transform .2s;pointer-events:none}
.toast.show{opacity:1;transform:none}

@media (max-width:960px){
  .products,.tilegrid{grid-template-columns:repeat(2,1fr)}
  .buy{grid-template-columns:1fr;gap:36px}
  .slide{min-height:440px}
}
@media (max-width:720px){
  .products,.tilegrid{grid-template-columns:1fr}
  .slide{min-height:400px}
  .slide::after,.slide.right::after{
    background:linear-gradient(180deg,rgba(248,246,241,.95) 0%,rgba(248,246,241,.86) 52%,rgba(248,246,241,.7) 100%)}
  .slide.right .slide-copy{text-align:left;margin-left:0}
  .slide.right .gold-rule{margin-left:0}
  .slide.right .btn-row{justify-content:flex-start}
  .carousel .arrow{display:none}
  .cart-line{grid-template-columns:72px 1fr;gap:14px}
  .cart-line .shot{height:72px}
  .cart-line .line-price,.cart-line .drop{grid-column:2}
  .gallery .main{min-height:300px;padding:20px}
}

/* ==========================================================================
   HARD COPIES — class/subject grid, Chapter 1 reader, the lock, delivery.
   ========================================================================== */

/* ---------- class + subject cards ---------- */
.classgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.classcard{background:var(--paper);border:1px solid var(--line-warm);border-top:3px solid var(--navy);
  padding:30px 28px;display:flex;flex-direction:column}
.classcard.soon{border-top-color:var(--line-warm);background:var(--ivory-deep)}
.classcard .k{font-family:var(--sans);font-size:10.5px;font-weight:700;letter-spacing:2px;
  text-transform:uppercase;color:var(--gold-deep);margin-bottom:10px}
.classcard h3{font-size:26px;margin-bottom:8px}
.classcard p{font-size:15px;color:var(--ink-soft)}
.classcard .btn{margin-top:auto;align-self:flex-start}

.subjects{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.subject{display:flex;gap:20px;align-items:center;background:var(--paper);
  border:1px solid var(--line-warm);padding:20px 22px}
.subject.soon{background:var(--ivory-deep);border-style:dashed}
.subject .code{font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:1.6px;
  color:var(--gold-deep);text-transform:uppercase}
.subject h3{font-size:21px;margin:4px 0 3px}
.subject p{font-size:14px;color:var(--ink-soft);margin:0}
.subject .go{margin-left:auto;white-space:nowrap}
.subject.soon .go{color:var(--ink-faint);font-family:var(--sans);font-size:12.5px;
  letter-spacing:1.2px;text-transform:uppercase}

/* ---------- Chapter 1 reader ---------- */
.readerbar{position:sticky;top:70px;z-index:30;background:rgba(248,246,241,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line-warm)}
.readerbar .inner{display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:13px 0;font-family:var(--sans);font-size:13.5px;color:var(--ink-mid)}
.readerbar b{color:var(--navy);font-weight:700}
.readerbar .track{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--line-warm)}
.readerbar .track i{display:block;height:2px;background:var(--gold);transform:scaleX(0);
  transform-origin:0 50%;transition:transform .1s linear}

#reader{display:grid;gap:26px;justify-items:center;padding:34px 0 10px}
#reader .page{margin:0;position:relative;max-width:900px;width:100%}
#reader .page img{width:100%;height:auto;display:block;border:1px solid var(--line-warm);
  background:#fff;box-shadow:0 12px 34px -24px rgba(30,58,95,.5);
  -webkit-user-select:none;user-select:none;-webkit-user-drag:none}
#reader .page figcaption{font-family:var(--sans);font-size:11.5px;letter-spacing:1.4px;
  color:var(--ink-faint);text-align:center;margin-top:9px}

/* ---------- the lock at the end of Chapter 1 ---------- */
.lock{position:relative;margin-top:-150px;padding:170px 0 0}
.lock::before{content:"";position:absolute;left:0;right:0;top:0;height:170px;pointer-events:none;
  background:linear-gradient(180deg,rgba(248,246,241,0) 0%,rgba(248,246,241,.9) 62%,var(--ivory) 100%)}
.lock-panel{position:relative;background:var(--paper);border:1px solid var(--line-warm);
  border-top:3px solid var(--gold);padding:44px;text-align:center;max-width:720px;margin:0 auto;
  box-shadow:0 30px 70px -46px rgba(30,58,95,.55)}
.lock-panel .icon{width:44px;height:44px;margin:0 auto 18px;display:grid;place-items:center;
  border:1px solid var(--line-warm);border-radius:50%;background:var(--ivory-warm)}
.lock-panel h2{font-family:var(--display);font-size:32px;font-weight:600;margin-bottom:12px}
.lock-panel p{color:var(--ink-mid);max-width:46ch;margin-left:auto;margin-right:auto}
.lock-panel .btn-row{justify-content:center}
.lock-rest{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-warm);
  border:1px solid var(--line-warm);margin-top:34px}
.lock-rest div{background:var(--ivory-deep);padding:16px 14px;text-align:center;
  font-family:var(--sans);font-size:12px;color:var(--ink-faint);letter-spacing:.4px}
.lock-rest div b{display:block;color:var(--ink-soft);font-size:13px;font-weight:600;margin-bottom:3px}

/* ---------- cart sums ---------- */
.cart-sums{padding:18px 0 4px;border-bottom:1px solid var(--line-warm)}
.cart-sums div{display:flex;justify-content:space-between;padding:7px 0;
  font-family:var(--sans);font-size:14.5px;color:var(--ink-mid)}
.cart-sums div span:last-child{color:var(--navy);font-weight:600}

/* ---------- delivery steps ---------- */
.dsteps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-warm);
  border:1px solid var(--line-warm)}
.dstep{background:var(--paper);padding:26px 22px}
.dstep .n{font-family:var(--display);font-size:30px;font-weight:600;color:var(--gold);line-height:1}
.dstep h3{font-size:20px;margin:10px 0 7px}
.dstep p{font-size:14.5px;color:var(--ink-soft);margin:0}

@media (max-width:960px){
  .classgrid{grid-template-columns:1fr}
  .subjects{grid-template-columns:1fr}
  .lock-rest,.dsteps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  .readerbar{top:70px}
  .readerbar .inner{font-size:12.5px}
  .lock-panel{padding:30px 22px}
  .lock-panel h2{font-size:26px}
  .subject{flex-wrap:wrap;gap:12px}
  .subject .go{margin-left:0}
}

/* ==========================================================================
   LARGE SCREENS
   The layout was fixed at 1140px / 17px whatever the display, so on a big
   monitor it sat in a narrow column and read small. Scale the measure and the
   type together, in steps, so line length stays comfortable at every size.
   ========================================================================== */

@media (min-width:1440px){
  :root{--wrap:1260px;--wrap-narrow:820px}
  body{font-size:17.5px}
  .lead{font-size:19.5px}
  .slide{min-height:clamp(520px,60vh,660px)}
  section{padding:88px 0}
  section.tight{padding:60px 0}
}

@media (min-width:1720px){
  :root{--wrap:1400px;--wrap-narrow:880px}
  body{font-size:18.5px}
  .lead{font-size:21px}
  .small{font-size:15.5px}
  .eyebrow{font-size:11.5px;letter-spacing:2.6px}
  .nav a{font-size:15px}
  .brand .wm{font-size:18px}
  .site-header .bar{height:78px}
  .announce{font-size:13.5px;padding:11px 20px}
  .slide{min-height:clamp(580px,62vh,760px)}
  .tile .n{font-size:38px}
  .pcard h3{font-size:25px}
  .strip{font-size:16.5px}
  section{padding:100px 0}
  section.tight{padding:68px 0}
  .readerbar{top:78px}
  #reader .page{max-width:1000px}
}

@media (min-width:2100px){
  :root{--wrap:1560px;--wrap-narrow:940px}
  body{font-size:19.5px}
  .lead{font-size:22.5px}
  .nav{gap:32px}
  .slide{min-height:clamp(640px,64vh,860px)}
  .tile .n{font-size:44px}
  section{padding:116px 0}
  #reader .page{max-width:1100px}
}

/* Very tall windows: let the hero fill more of the fold without stretching the art. */
@media (min-height:1000px) and (min-width:1200px){
  .hero{padding-top:76px;padding-bottom:76px}
}

/* Respect a reader who has set a larger default text size in the browser. */
@media (min-width:1440px){
  html{font-size:100%}
}

/* Display type is clamped for small screens; lift the ceiling on big ones so
   headlines keep their proportion instead of stalling at 62px. */
@media (min-width:1440px){
  h1.display{font-size:clamp(46px,4.6vw,70px)}
  h2.display{font-size:clamp(32px,3vw,44px)}
  h3{font-size:26px}
}
@media (min-width:1720px){
  h1.display{font-size:clamp(58px,4.4vw,80px)}
  h2.display{font-size:clamp(36px,2.9vw,50px)}
  h3{font-size:28px}
  .quote p{font-size:29px}
  .lock-panel h2{font-size:36px}
}
@media (min-width:2100px){
  h1.display{font-size:clamp(66px,4.2vw,92px)}
  h2.display{font-size:clamp(40px,2.8vw,56px)}
}

/* The copy column is sized for the paragraph; at large display sizes that is
   too narrow for the headline, which then wraps four ways. Widen the column
   and hold the paragraph to a readable measure separately. */
@media (min-width:1440px){
  .slide-copy{max-width:min(64%,860px)}
  .slide-copy .lead{max-width:31em}
}
@media (min-width:1720px){
  .slide-copy{max-width:min(64%,1000px)}
}

/* Wider copy on a big screen reaches further across the photograph, so carry
   the ivory fade further too — otherwise a headline can land on dark artwork. */
@media (min-width:1440px){
  .slide::after{background:linear-gradient(90deg,
    rgba(248,246,241,.97) 0%, rgba(248,246,241,.90) 46%, rgba(248,246,241,0) 78%)}
  .slide.right::after{background:linear-gradient(270deg,
    rgba(248,246,241,.97) 0%, rgba(248,246,241,.90) 46%, rgba(248,246,241,0) 78%)}
}

/* ==========================================================================
   BOOKS DROPDOWN
   One menu instead of four top-level links, so the nav does not grow every
   time a subject is added.
   ========================================================================== */

.has-menu{position:relative}
.menu-trigger{display:inline-flex;align-items:center;gap:7px}
.menu-trigger .caret{width:7px;height:7px;border-right:1.6px solid currentColor;
  border-bottom:1.6px solid currentColor;transform:rotate(45deg) translate(-2px,-2px);
  transition:transform .18s}
.has-menu:hover .menu-trigger .caret,
.has-menu.open .menu-trigger .caret{transform:rotate(-135deg) translate(-3px,-3px)}

.menu{
  position:absolute;top:calc(100% + 14px);right:-20px;z-index:60;width:600px;
  background:var(--paper);border:1px solid var(--line-warm);border-top:3px solid var(--navy);
  box-shadow:0 30px 60px -30px rgba(30,58,95,.45);
  padding:26px 30px;display:none;
}
.menu::before{content:"";position:absolute;top:-14px;left:0;right:0;height:14px}
.has-menu:hover .menu,
.has-menu:focus-within .menu,
.has-menu.open .menu{display:block}

.menu-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:30px}
.menu h4{font-family:var(--sans);font-size:10.5px;font-weight:700;letter-spacing:2px;
  text-transform:uppercase;color:var(--gold-deep);margin-bottom:12px}
.menu a{display:block;padding:9px 0;border-bottom:1px solid var(--line);
  font-family:var(--sans);font-size:14.5px;color:var(--ink-mid);line-height:1.3}
.menu a:last-child{border-bottom:0}
.menu a:hover{color:var(--navy)}
.menu a b{display:block;font-weight:600;color:var(--navy-deep);font-size:15px}
.menu a small{display:block;font-size:12.5px;color:var(--ink-faint);margin-top:2px}
.menu a.off{color:var(--ink-faint);pointer-events:none}
.menu a.off b{color:var(--ink-faint);font-weight:500}
.menu .all{margin-top:14px;border:0;padding:0}
.menu .all span{font-weight:700;color:var(--navy)}
.menu .col-books{background:var(--ivory);margin:-26px -30px -26px 0;padding:26px 30px;
  border-left:1px solid var(--line-warm)}

@media (max-width:720px){
  /* In the mobile sheet the menu is just another block, always open. */
  .has-menu{position:static}
  .menu-trigger{justify-content:space-between}
  .menu-trigger .caret{display:none}
  .menu{position:static;display:block;width:auto;padding:4px 0 14px;border:0;
    box-shadow:none;background:transparent}
  .menu-grid{grid-template-columns:1fr;gap:14px}
  .menu .col-books{background:transparent;margin:0;padding:0;border-left:0}
  .menu a{padding:8px 0 8px 14px;font-size:14px}
  .menu h4{margin-top:8px}
}

/* ==========================================================================
   CHECKOUT — numbered steps, payment choice, bank panel
   ========================================================================== */

.stepmark{display:flex;align-items:center;gap:16px;margin-bottom:12px}
.stepmark span{flex:0 0 auto;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--navy);color:#fff;font-family:var(--sans);font-size:16px;font-weight:700}
.stepmark h2{font-size:clamp(24px,2.6vw,32px);margin:0}
.field .opt{font-family:var(--sans);font-size:10.5px;font-weight:500;letter-spacing:1px;
  color:var(--ink-faint);text-transform:uppercase;margin-left:6px}

/* ---------- payment choice ---------- */
.paychoice{display:grid;gap:12px;margin:26px 0 30px}
.payopt{display:flex;gap:14px;align-items:flex-start;cursor:pointer;
  background:var(--paper);border:1px solid var(--line-warm);padding:18px 20px;
  transition:border-color .15s,box-shadow .15s}
.payopt:hover{border-color:var(--line-blue)}
.payopt input{position:absolute;opacity:0;width:0;height:0}
.payopt .mark{flex:0 0 auto;width:20px;height:20px;margin-top:2px;border-radius:50%;
  border:1.6px solid var(--line-blue);background:var(--paper);position:relative}
.payopt input:checked ~ .mark{border-color:var(--navy)}
.payopt input:checked ~ .mark::after{content:"";position:absolute;inset:4px;border-radius:50%;
  background:var(--navy)}
.payopt input:focus-visible ~ .mark{box-shadow:0 0 0 3px rgba(74,127,165,.28)}
.payopt:has(input:checked){border-color:var(--navy);box-shadow:inset 0 0 0 1px var(--navy)}
.payopt .txt b{display:block;font-family:var(--sans);font-size:15.5px;font-weight:600;color:var(--navy-deep)}
.payopt .txt small{display:block;font-size:14px;color:var(--ink-soft);margin-top:3px;line-height:1.45}

/* ---------- bank details ---------- */
.bankcard{background:var(--paper);border:1px solid var(--line-warm);border-top:3px solid var(--gold);
  padding:28px 30px;margin-top:4px}
.bank-flag{display:inline-block;background:var(--ivory-warm);border:1px dashed var(--gold);
  color:var(--gold-deep);font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:1.2px;
  text-transform:uppercase;padding:6px 12px;margin-bottom:22px}
.bank-amount{display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  padding-bottom:18px;margin-bottom:6px;border-bottom:1px solid var(--line-warm)}
.bank-amount span{font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:1.8px;
  text-transform:uppercase;color:var(--ink-soft)}
.bank-amount b{font-family:var(--display);font-size:34px;font-weight:600;color:var(--navy);line-height:1}
.bank-rows{margin:0}
.bank-rows div{display:flex;justify-content:space-between;gap:20px;padding:11px 0;
  border-bottom:1px solid var(--line)}
.bank-rows div:last-child{border-bottom:0}
.bank-rows dt{font-family:var(--sans);font-size:13.5px;color:var(--ink-soft);margin:0}
.bank-rows dd{margin:0;font-size:15.5px;color:var(--navy-deep);text-align:right}
.bank-rows dd.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14.5px;
  letter-spacing:.6px}

@media (max-width:720px){
  .stepmark{gap:12px}
  .stepmark span{width:32px;height:32px;font-size:14px}
  .bankcard{padding:22px 20px}
  .bank-rows div{flex-direction:column;gap:2px}
  .bank-rows dd{text-align:left}
  .bank-amount b{font-size:28px}
}

/* A payment method that exists but is not open yet. */
.payopt.soon{cursor:default;background:var(--ivory-deep);border-style:dashed}
.payopt.soon:hover{border-color:var(--line-warm)}
.payopt.soon .mark{border-color:var(--line);background:transparent}
.payopt.soon .txt b{color:var(--ink-soft);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.payopt.soon .txt b em{font-style:normal;font-size:10.5px;font-weight:700;letter-spacing:1.4px;
  text-transform:uppercase;color:var(--gold-deep);background:var(--ivory-warm);
  border:1px solid var(--line-warm);padding:3px 9px}
.payopt.soon .txt small{color:var(--ink-faint)}

/* ==========================================================================
   FREE CHAPTER — the strongest thing on the site, so it sits under the hero
   ========================================================================== */

.freeband{background:var(--ivory-warm);border-top:1px solid var(--line-warm);
  border-bottom:1px solid var(--line-warm);padding:70px 0}

.freecard{display:grid;grid-template-columns:150px 1fr;gap:26px;align-items:center;
  background:var(--paper);border:1px solid var(--line-warm);border-top:3px solid var(--gold);
  padding:26px 28px;text-decoration:none;
  transition:box-shadow .18s,border-color .18s,transform .18s}
.freecard:hover{box-shadow:0 24px 50px -32px rgba(30,58,95,.55);transform:translateY(-2px)}
.freecard img{width:100%;height:auto;filter:drop-shadow(0 10px 20px rgba(30,58,95,.22))}
.freecard .k{font-family:var(--sans);font-size:10.5px;font-weight:700;letter-spacing:2px;
  text-transform:uppercase;color:var(--gold-deep);margin-bottom:9px}
.freecard h3{font-size:21px;line-height:1.25;margin-bottom:8px}
.freecard p{font-family:var(--sans);font-size:14px;color:var(--ink-soft);margin-bottom:16px}
.freecard .btn{pointer-events:none}

/* the "read chapter 1 free" line on every product card */
.freeline{display:block;font-family:var(--sans);font-size:13.5px;font-weight:600;
  color:var(--gold-deep);margin:2px 0 14px;text-decoration:none}
.freeline:hover{color:var(--navy)}

@media (max-width:960px){
  .freecard{grid-template-columns:110px 1fr;gap:20px;padding:22px}
  .freecard h3{font-size:19px}
}
@media (max-width:720px){
  .freeband{padding:52px 0}
  .freecard{grid-template-columns:1fr;text-align:center;justify-items:center}
  .freecard img{max-width:150px}
}

/* ==========================================================================
   READER — contents sidebar beside the pages, so the whole book is visible
   ========================================================================== */

.readwrap{display:grid;grid-template-columns:310px 1fr;gap:44px;align-items:start;
  padding-top:34px;padding-bottom:10px}
.readmain{min-width:0}
.readmain #reader{padding-top:26px}

.toc{position:sticky;top:130px;max-height:calc(100vh - 160px);overflow-y:auto;overflow-x:hidden;
  background:var(--paper);border:1px solid var(--line-warm);border-top:3px solid var(--navy);
  padding:22px 20px;scrollbar-width:thin}
.toc-toggle{display:none}
.toc-head{padding-bottom:14px;margin-bottom:6px;border-bottom:1px solid var(--line-warm)}
.toc-head h2{font-family:var(--display);font-size:24px;font-weight:600;margin-bottom:4px}

.toc-sec{border-bottom:1px solid var(--line)}
.toc-sec:last-of-type{border-bottom:0}
.toc-sec summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:10px;
  padding:13px 2px;font-family:var(--sans);font-size:14px;font-weight:600;color:var(--navy-deep)}
.toc-sec summary::-webkit-details-marker{display:none}
.toc-sec summary .n{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--navy);
  color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center}
.toc-sec summary .nm{flex:1;line-height:1.25}
.toc-sec summary .cnt{flex:0 0 auto;font-size:11.5px;font-weight:600;color:var(--ink-faint);letter-spacing:.4px}
.toc-sec[open] summary{color:var(--navy)}

.toc-sec ul{list-style:none;margin:0 0 12px;padding:0 0 0 32px}
.toc-sec li{margin:0}
.toc-sec li a,.toc-sec li>span{display:flex;align-items:flex-start;gap:8px;padding:8px 10px;
  font-family:var(--sans);font-size:13px;line-height:1.35;border-radius:2px;text-decoration:none}
.toc-sec li b{font-weight:700;flex:0 0 auto}
.toc-sec li i{flex:1;min-width:0;font-style:normal;overflow-wrap:anywhere}
.toc-sec li.on a{color:var(--navy);background:var(--blue-pale)}
.toc-sec li.on a:hover{background:var(--paper);box-shadow:inset 0 0 0 1px var(--line-blue)}
.toc-sec li.cur a{box-shadow:inset 0 0 0 1px var(--navy);font-weight:600}
.toc-sec li .tag{flex:0 0 auto;margin-top:1px;font-size:9.5px;font-weight:700;letter-spacing:1px;
  text-transform:uppercase;color:#fff;background:var(--green);padding:2px 6px;border-radius:2px}
.toc-sec li.off span{color:var(--ink-faint);cursor:default}
.toc-sec li.off .lock{flex:0 0 auto;margin-top:2px;color:var(--gold-deep);display:flex}

@media (max-width:1100px){
  .readwrap{grid-template-columns:260px 1fr;gap:30px}
  .toc{padding:18px 15px}
}
@media (max-width:860px){
  .readwrap{grid-template-columns:1fr;gap:0}
  .toc{position:static;max-height:none;overflow:visible;padding:0;border-top-width:1px;
    margin-bottom:24px}
  .toc-toggle{display:block;width:100%;text-align:left;background:var(--paper);border:0;
    padding:16px 18px;cursor:pointer;font-family:var(--sans);font-size:14px;font-weight:600;
    color:var(--navy);position:relative}
  .toc-toggle::after{content:"";position:absolute;right:18px;top:20px;width:8px;height:8px;
    border-right:2px solid var(--gold);border-bottom:2px solid var(--gold);transform:rotate(45deg)}
  .toc-toggle[aria-expanded="true"]::after{transform:rotate(-135deg);top:24px}
  .toc-body{display:none;padding:0 18px 18px}
  .toc.open .toc-body{display:block}
}

/* The reader is the one page that should use the full window — the pages are
   the content, so cramping them into the standard measure wastes both margins. */
.readwrap{max-width:min(1860px, calc(100% - 56px));padding-left:0;padding-right:0}
@media (min-width:1500px){
  .readwrap{grid-template-columns:330px 1fr;gap:52px}
  .readmain #reader .page{max-width:none}
}
@media (min-width:1900px){ .readwrap{grid-template-columns:360px 1fr;gap:60px} }

/* The pages need air around them — edge-to-edge reads as a screenshot, not a book. */
.readmain #reader{padding-left:clamp(12px,3vw,56px);padding-right:clamp(12px,3vw,56px)}
@media (min-width:1500px){ .readmain #reader .page{max-width:1080px} }

/* ---------- every subject, with what is not yet printed marked plainly ---------- */
.subjgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.subjcol{background:var(--paper);border:1px solid var(--line-warm);border-top:3px solid var(--navy);
  padding:24px 22px}
.subjhead{padding-bottom:14px;margin-bottom:10px;border-bottom:1px solid var(--line-warm)}
.subjhead h3{font-size:23px;margin-bottom:3px}
.subjhead p{font-family:var(--sans);font-size:12.5px;color:var(--ink-soft);margin:0}
.subj{display:grid;grid-template-columns:52px 1fr auto;gap:12px;align-items:center;
  padding:12px 8px;border-bottom:1px solid var(--line);text-decoration:none}
.subj:last-child{border-bottom:0}
.subj .c{font-family:var(--sans);font-size:11.5px;font-weight:700;letter-spacing:1px;
  color:var(--gold-deep)}
.subj .n{font-family:var(--sans);font-size:15px;color:var(--navy-deep)}
.subj .s{font-family:var(--sans);font-size:10px;font-weight:700;letter-spacing:1.3px;
  text-transform:uppercase;padding:4px 9px;border-radius:2px;white-space:nowrap}
.subj.on{background:var(--blue-pale)}
.subj.on .s{background:var(--green);color:#fff}
.subj.on:hover{background:var(--paper);box-shadow:inset 0 0 0 1px var(--line-blue)}
.subj.off .c,.subj.off .n{color:var(--ink-faint)}
.subj.off .s{background:var(--ivory-warm);color:var(--gold-deep);border:1px solid var(--line-warm)}

@media (max-width:960px){ .subjgrid{grid-template-columns:1fr} }
@media (max-width:520px){ .subj{grid-template-columns:46px 1fr;gap:8px} .subj .s{grid-column:2} }