/* Global styles, loaded on every page: tokens, base, layout, buttons, header, footer and shared components
   (cards, book cards, product showcase, page header). Page-specific styles live in css/<page>.css. */

/* ---------- Tokens ---------- */
:root{
  --charcoal:#242725; --charcoal-dk:#171918; --charcoal-2:#2D302E;
  --white:#FFFFFF; --off:#F5F5F2; --grey-1:#E9E9E5; --line:#DADAD5; --line-dk:#3A3D3B;
  --ink:#171918; --ink-2:#4F5452; --steel:#6B706D; --on-dark:#ECECE8; --on-dark-2:#B4B8B5;
  --orange:#E87519; --orange-hover:#F08A33; --orange-ink:#A9500B; /* orange-ink: AA-contrast orange for text on light backgrounds */
  --radius:6px; --shadow:0 1px 2px rgba(23,25,24,.06),0 8px 24px rgba(23,25,24,.06);
  --head:"Barlow Condensed","Arial Narrow",sans-serif; --body:Inter,"Segoe UI",Arial,sans-serif;
  --header-h:76px;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}
body{font:400 16px/1.65 var(--body);color:var(--ink);background:var(--off);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{font-family:var(--head);line-height:1.04;letter-spacing:.005em;font-weight:700;text-wrap:balance}
h1{font-size:clamp(2.6rem,5.6vw,4.5rem);font-weight:800;text-transform:uppercase;letter-spacing:0}
h2{font-size:clamp(2rem,3.6vw,2.9rem)}
h3{font-size:1.45rem}
p{text-wrap:pretty}
a{color:inherit}
ul{padding-left:1.1em}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:2px}
::selection{background:var(--orange);color:var(--charcoal-dk)}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--charcoal-dk);color:#fff;padding:10px 16px;border-radius:var(--radius);text-decoration:none}
.skip:focus{top:12px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Layout ---------- */
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-white{background:var(--white)}
.section-dark{background:var(--charcoal);color:var(--on-dark)}
.section-darker{background:var(--charcoal-dk);color:var(--on-dark)}
.section-dark p,.section-darker p{color:var(--on-dark-2)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px 48px;flex-wrap:wrap;margin-bottom:44px}
.section-head>div{max-width:680px}
.eyebrow{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font:600 .78rem/1.4 var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--orange-ink);margin-bottom:14px}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--orange)}
.section-dark .eyebrow,.section-darker .eyebrow,.page-head .eyebrow{color:var(--orange)}
.sub{color:var(--ink-2);font-size:1.08rem;margin-top:14px;max-width:62ch}
.section-dark .sub,.section-darker .sub{color:var(--on-dark-2)}
.lead{font-size:1.08rem;color:var(--ink-2)}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:64px;align-items:center}
.note{margin-top:28px;font-size:.88rem;color:var(--steel)}
.section-dark .note,.section-darker .note{color:var(--on-dark-2)}

/* ---------- Buttons and links ---------- */
.btns{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 24px;font:600 .95rem/1.2 var(--body);text-decoration:none;
  color:var(--charcoal-dk);background:var(--orange);border:2px solid var(--orange);border-radius:4px;cursor:pointer;transition:background-color .2s,border-color .2s,color .2s,transform .2s}
.btn:hover{background:var(--orange-hover);border-color:var(--orange-hover)}
.btn:active{transform:translateY(1px)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--charcoal)}
.btn-outline:hover{background:var(--charcoal);border-color:var(--charcoal);color:#fff}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-light:hover{background:#fff;border-color:#fff;color:var(--charcoal-dk)}
.btn-sm{min-height:40px;padding:8px 18px;font-size:.88rem}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--orange-ink);text-decoration:none}
.link-arrow::after{content:"";width:14px;height:10px;background:currentColor;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 10'%3E%3Cpath d='M9 0l5 5-5 5-1.1-1.1L11 6H0V4h11L7.9 1.1z'/%3E%3C/svg%3E") center/contain no-repeat;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 10'%3E%3Cpath d='M9 0l5 5-5 5-1.1-1.1L11 6H0V4h11L7.9 1.1z'/%3E%3C/svg%3E") center/contain no-repeat;transition:transform .2s}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}
.link-arrow:hover::after{transform:translateX(3px)}
.section-dark .link-arrow,.section-darker .link-arrow{color:var(--orange)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:saturate(1.2) blur(6px)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.brand img{height:50px;width:auto}
.brand span{font:800 1.15rem/1 var(--head);text-transform:uppercase;letter-spacing:.04em;color:var(--charcoal-dk)}
.brand small{display:block;font-size:.72rem;letter-spacing:.32em;color:var(--orange-ink);margin-top:3px}
.site-nav{display:flex;align-items:center;gap:4px}
.site-nav a:not(.btn){position:relative;padding:10px 11px;font-size:.92rem;font-weight:500;color:var(--ink-2);text-decoration:none;white-space:nowrap;transition:color .2s}
.site-nav a:not(.btn)::after{content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform .2s}
.site-nav a:not(.btn):hover{color:var(--ink)}
.site-nav a:not(.btn):hover::after,.site-nav a[aria-current="page"]::after{transform:scaleX(1)}
.site-nav a[aria-current="page"]{color:var(--ink);font-weight:600}
.nav-cta{margin-left:12px}
.menu-btn{display:none;align-items:center;gap:10px;min-height:44px;padding:8px 14px;background:none;border:1px solid var(--line);border-radius:4px;font:600 .9rem var(--body);color:var(--ink);cursor:pointer}
.bars,.bars::before,.bars::after{display:block;width:18px;height:2px;background:currentColor;transition:transform .2s,opacity .2s}
.bars{position:relative}
.bars::before,.bars::after{content:"";position:absolute;left:0}
.bars::before{top:-6px}.bars::after{top:6px}
.menu-btn[aria-expanded="true"] .bars{background:transparent}
.menu-btn[aria-expanded="true"] .bars::before{transform:translateY(6px) rotate(45deg)}
.menu-btn[aria-expanded="true"] .bars::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- Cards ---------- */
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.card h3{margin-bottom:10px}
.card p,.card li{color:var(--ink-2);font-size:.96rem}
.card ul{margin-top:8px}
.card li+li{margin-top:4px}
.icon{display:grid;place-items:center;width:52px;height:52px;border-radius:var(--radius);background:var(--charcoal);color:var(--orange);margin-bottom:20px}
.icon svg{width:26px;height:26px}
.tag{display:inline-block;font:600 .72rem/1 var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--steel);margin-bottom:8px}
.badge{display:inline-block;padding:5px 10px;border-radius:3px;background:rgba(232,117,25,.14);color:var(--orange-ink);font:600 .72rem/1 var(--body);letter-spacing:.08em;text-transform:uppercase}
.section-dark .badge,.section-darker .badge{color:var(--orange)}
.checks{list-style:none;padding:0;display:grid;gap:10px}
.checks li{position:relative;padding-left:30px}
.checks li::before{content:"";position:absolute;left:0;top:.3em;width:18px;height:18px;border-radius:50%;background:var(--orange) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.2l2.6 2.6L13 6.4' fill='none' stroke='%23171918' stroke-width='2'/%3E%3C/svg%3E") center/18px no-repeat}
.chip{min-height:40px;padding:8px 16px;border:1px solid var(--line);border-radius:999px;background:var(--white);font:500 .9rem var(--body);color:var(--ink-2);cursor:pointer;transition:background-color .2s,color .2s,border-color .2s}
.chip:hover{border-color:var(--charcoal);color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--charcoal);border-color:var(--charcoal);color:#fff}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips span{background:var(--white);border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:.9rem}

/* Framed image with an orange corner accent */
.media-frame{position:relative;border-radius:var(--radius)}
.media-frame img{width:100%;border-radius:var(--radius);object-fit:cover}
.media-frame::before{content:"";position:absolute;left:-12px;bottom:-12px;width:38%;height:46%;border-left:4px solid var(--orange);border-bottom:4px solid var(--orange);border-bottom-left-radius:var(--radius);pointer-events:none}

/* ---------- Book cards (home, books page) ---------- */
.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:28px 24px}
.book-card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .25s,transform .25s}
.book-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.book-card[hidden]{display:none}
.book-cover{aspect-ratio:480/750;background:var(--grey-1);overflow:hidden;border-bottom:1px solid var(--line)}
.book-cover img{width:100%;height:100%;object-fit:cover}
.book-body{display:flex;flex-direction:column;flex:1;padding:18px 18px 20px}
.book-body h3{font-size:1.22rem;margin-bottom:8px}
.book-body p{font-size:.88rem;color:var(--ink-2);line-height:1.55;margin-bottom:16px}
.book-body .link-arrow{margin-top:auto;font-size:.9rem}

/* ---------- Product showcase (home, products page) ---------- */
.product{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:56px;align-items:center}
.product+.product{margin-top:80px;padding-top:80px;border-top:1px solid var(--line)}
.product-media{border-radius:var(--radius);overflow:hidden;background:var(--charcoal);box-shadow:var(--shadow)}
.product-media img{width:100%;height:auto} /* keeps each screenshot's own proportions (width/height set from products.js) */
.product h3{font-size:clamp(1.9rem,3vw,2.5rem);margin-bottom:14px}
.product .eyebrow{margin-bottom:12px}
.product .lead{margin-bottom:22px}
.product .checks{margin-bottom:30px}

/* ---------- Inner page header ---------- */
.page-head{background:var(--charcoal-dk);color:#fff;padding:80px 0 72px;position:relative;overflow:hidden}
.page-head::after{content:"";position:absolute;right:-80px;top:-80px;width:360px;height:360px;border:1px solid rgba(232,117,25,.25);border-radius:50%;box-shadow:0 0 0 60px rgba(232,117,25,.04),0 0 0 120px rgba(232,117,25,.03)}
.page-head .wrap{position:relative;z-index:1}
.page-head h1{max-width:18ch}
.page-head p{color:var(--on-dark-2);font-size:1.12rem;max-width:62ch;margin-top:18px}
.page-head .btns{margin-top:30px}

/* ---------- Call-to-action panel ---------- */
.cta-panel{display:grid;grid-template-columns:minmax(0,1.4fr) auto;gap:32px 48px;align-items:center;background:var(--charcoal);color:#fff;border-radius:var(--radius);padding:56px;border-left:6px solid var(--orange)}
.cta-panel p{color:var(--on-dark-2);margin-top:12px;max-width:60ch}
.cta-panel a:not(.btn){color:#fff}

/* ---------- Footer ---------- */
.site-footer{background:var(--charcoal-dk);color:var(--on-dark-2);padding:72px 0 32px;font-size:.92rem}
.site-footer .wrap{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:40px}
.site-footer .brand img{height:46px;background:var(--off);padding:4px 6px;border-radius:4px}
.brand-light span{color:#fff}
.brand-light small{color:var(--orange)}
.f-brand p{margin-top:18px;max-width:34ch}
.f-h{font:600 .78rem/1.4 var(--body);letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:14px}
.site-footer a:not(.brand){display:block;width:fit-content;padding:4px 0;text-decoration:none;transition:color .2s}
.site-footer a:not(.brand):hover{color:var(--orange)}
.legal{grid-column:1/-1;border-top:1px solid var(--line-dk);padding-top:24px;margin-top:8px;font-size:.82rem}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1180px){
  .site-nav a:not(.btn){padding:10px 8px}
}
@media (max-width:1100px){
  .menu-btn{display:inline-flex}
  .site-nav{display:none;position:absolute;top:var(--header-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--white);padding:8px 24px 24px;border-bottom:1px solid var(--line);box-shadow:0 16px 24px rgba(23,25,24,.08);max-height:calc(100vh - var(--header-h));overflow-y:auto}
  .site-nav.open{display:flex}
  .site-nav a:not(.btn){padding:14px 0;border-bottom:1px solid var(--grey-1);font-size:1rem}
  .site-nav a:not(.btn)::after{left:0;right:auto;width:28px;bottom:-1px}
  .nav-cta{margin:16px 0 0}
}
@media (max-width:1000px){
  .split,.product{grid-template-columns:1fr;gap:40px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .site-footer .wrap{grid-template-columns:1fr 1fr}
  .f-brand{grid-column:1/-1}
  .cta-panel{grid-template-columns:1fr;padding:40px}
}
@media (max-width:640px){
  :root{--header-h:68px}
  .wrap{padding:0 16px}
  .section{padding:64px 0}
  .brand img{height:42px}
  .brand span{font-size:1rem}
  .site-nav{padding:8px 16px 20px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .book-body{padding:14px}
  .book-body h3{font-size:1.08rem}
  .book-body p{display:none}
  .card{padding:22px}
  .page-head{padding:56px 0 52px}
  .cta-panel{padding:32px 24px}
  .site-footer .wrap{grid-template-columns:1fr}
  .btns .btn{flex:1 1 auto}
  .media-frame::before{left:-8px;bottom:-8px}
}
@media (max-width:360px){
  .brand span{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .book-card:hover{transform:none}
}