/* Globalgood Publishing - styles for the catalog, tree and library pages.
   Kept separate from style.css (the homepage design) so the two can be worked on
   independently. Uses the same tokens: navy, antique gold, parchment. */

/* ============ Header additions: tagline + utility icons (doc §1) ============ */
.brand-tagline{
  max-width:1400px;margin:0 auto;padding:0 32px 12px;
  font-family:var(--font-head);font-style:italic;font-size:13px;
  color:var(--c-gold-light);opacity:.85;letter-spacing:.01em;
}
.nav-utility{display:flex;align-items:center;gap:4px}
.util-btn{
  position:relative;width:38px;height:38px;border-radius:50%;display:flex;
  align-items:center;justify-content:center;color:rgba(255,255,255,.8);
  transition:background var(--dur),color var(--dur);
}
.util-btn:hover{background:rgba(255,255,255,.08);color:var(--c-gold-light)}
.util-count{
  position:absolute;top:3px;right:1px;min-width:15px;height:15px;border-radius:999px;
  background:var(--c-gold);color:#241a05;font-size:9.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center;padding:0 3px;
}
@media (max-width:1080px){.brand-tagline{display:none}.nav-utility{display:none}}

/* ============ Mega menus (doc §1 Books, §3 Publication Trees) ============ */
.nav-menu .has-mega{position:static}
.nav-menu .mega-menu{
  position:absolute;left:0;right:0;top:100%;z-index:60;
  background:var(--c-surface);border-top:1px solid var(--c-border);
  box-shadow:var(--shadow-lg);padding:30px 32px 26px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur);
  display:block;width:auto;grid-template-columns:none;gap:0;
}
.nav-menu .has-mega:hover .mega-menu,
.nav-menu .has-mega.mega-open .mega-menu{opacity:1;visibility:visible;transform:none}
.mega-head{max-width:1320px;margin:0 auto 20px;text-align:center}
.nav-menu .mega-head p{color:var(--c-text-muted);font-size:13.5px;margin-top:4px}
.mega-cols{
  max-width:1320px;margin:0 auto;display:grid;
  grid-template-columns:repeat(5,1fr);gap:26px;
}
.mega-books .mega-cols{grid-template-columns:repeat(2,minmax(0,220px));justify-content:center}
.nav-menu .mega-col h4{
  font-family:var(--font-body);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--c-gold);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--c-border);
}
.nav-menu .mega-col a{
  display:block;font-weight:500;letter-spacing:0;padding:5px 0;font-size:13.5px;color:var(--c-text);
  transition:color var(--dur),padding-left var(--dur);
}
.nav-menu .mega-col a:hover{color:var(--c-gold);padding-left:5px}
.nav-menu .mega-all{
  display:flex;align-items:center;justify-content:center;gap:7px;
  max-width:1320px;margin:22px auto 0;padding-top:18px;border-top:1px solid var(--c-border);
  font-weight:600;font-size:13.5px;color:var(--c-primary);
}
.nav-menu .mega-all:hover{color:var(--c-gold)}
@media (max-width:1080px){
  .nav-menu .mega-menu{
    position:static;opacity:1;visibility:visible;transform:none;display:none;
    box-shadow:none;border-top:none;padding:4px 0 10px 14px;background:transparent;
  }
  .nav-menu .has-mega.mega-open .mega-menu{display:block}
  .mega-cols,.mega-books .mega-cols{grid-template-columns:1fr;gap:14px}
  .mega-head{display:none}
  .nav-menu .mega-col a{color:rgba(255,255,255,.8)}
  .nav-menu .mega-col h4{border-color:rgba(255,255,255,.15)}
  .nav-menu .mega-all{color:var(--c-gold-light);justify-content:flex-start;border-color:rgba(255,255,255,.15)}
}

/* ============ Page hero (every non-home page) ============ */
.page-hero{
  position:relative;background:var(--c-primary);color:#fff;overflow:hidden;
  padding:72px 0 64px;
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 70% 20%,rgba(184,144,61,.22),transparent 60%);
}
.page-hero .section-inner{position:relative;z-index:1}
.page-hero .section-eyebrow,
.tree-hero .section-eyebrow{color:var(--c-gold-light)}
.page-hero h1,
.tree-hero h1{
  font-family:var(--font-display);color:var(--c-gold-light);text-transform:uppercase;
  letter-spacing:.03em;font-size:clamp(30px,4.2vw,50px);line-height:1.1;margin-bottom:14px;
}
.page-hero p.lede,
.tree-hero p.lede{color:rgba(255,255,255,.75);max-width:660px;font-size:16px;line-height:1.7}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12.5px;color:rgba(255,255,255,.6);margin-bottom:16px}
.breadcrumb a{color:var(--c-gold-light)}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb span{opacity:.5}

/* ============ Discovery groups + tree cards (doc §3, §5) ============ */
.group-block{margin-bottom:64px}
.group-head{display:flex;align-items:baseline;gap:14px;margin-bottom:6px;flex-wrap:wrap}
.group-head h2{font-size:clamp(22px,2.4vw,30px)}
.group-count{
  font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--c-gold);border:1px solid var(--c-border);border-radius:999px;padding:4px 12px;
}
.group-blurb{color:var(--c-text-muted);margin-bottom:26px;max-width:640px}
/* homepage: the five discovery groups as a quick row above the tree cards */
.group-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.group-chip{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;
  border:1px solid var(--c-border);background:var(--c-surface);
  font-size:12.5px;font-weight:600;color:var(--c-text);
  transition:border-color var(--dur),color var(--dur),transform var(--dur);
}
.group-chip:hover{border-color:var(--c-gold);color:var(--c-gold);transform:translateY(-2px)}
.group-chip b{
  font-size:10.5px;font-weight:700;color:var(--c-gold);
  background:var(--c-bg);border-radius:999px;padding:2px 7px;
}
.library .section-sub{max-width:620px;margin-top:8px}

.tree-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:900px){.tree-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.tree-grid{grid-template-columns:1fr}}
.tree-card{
  position:relative;display:block;border-radius:var(--radius-md);overflow:hidden;
  background:var(--c-primary);box-shadow:var(--shadow-sm);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.tree-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.tree-card-img{position:relative;aspect-ratio:4/5;overflow:hidden}
.tree-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.tree-card:hover .tree-card-img img{transform:scale(1.06)}
.tree-card-img::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to top,rgba(10,18,30,.92) 0%,rgba(10,18,30,.45) 45%,transparent 75%);
}
.tree-card-body{position:absolute;left:0;right:0;bottom:0;padding:20px;z-index:2}
.tree-card-body h3{color:#fff;font-size:19px;margin-bottom:5px}
.tree-card-body p{color:rgba(255,255,255,.72);font-size:12.5px;line-height:1.5}
.tree-card-count{
  display:inline-block;margin-top:10px;font-size:10.5px;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;color:var(--c-gold-light);
}

/* ============ Tree landing page (doc §5) ============ */
.tree-hero{position:relative;overflow:hidden;background:var(--c-primary);color:#fff}
.tree-hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 75% 15%,rgba(184,144,61,.20),transparent 60%);
}
.tree-hero .section-inner{position:relative;z-index:2;padding-top:64px;padding-bottom:60px;width:100%}
.tree-hero-grid{display:grid;grid-template-columns:1fr 340px;gap:56px;align-items:center}
.tree-hero-figure{
  position:relative;width:100%;aspect-ratio:5/6;border-radius:var(--radius-md);
  overflow:hidden;box-shadow:0 30px 60px rgba(0,0,0,.5);
  border:1px solid rgba(184,144,61,.3);
}
.tree-hero-figure img{width:100%;height:100%;object-fit:cover;display:block}
@media (max-width:900px){
  .tree-hero-grid{grid-template-columns:1fr;gap:32px}
  .tree-hero-figure{max-width:300px;order:-1}
}
.tree-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tree-tags span{
  font-size:11.5px;font-weight:600;letter-spacing:.04em;color:var(--c-gold-light);
  border:1px solid rgba(184,144,61,.45);border-radius:999px;padding:6px 14px;
}
.branch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width:900px){.branch-grid{grid-template-columns:1fr}}
.branch-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-md);
  padding:26px 24px;transition:transform var(--dur) var(--ease),border-color var(--dur),box-shadow var(--dur);
}
.branch-card:hover{transform:translateY(-5px);border-color:var(--c-gold);box-shadow:var(--shadow-md)}
.branch-eyebrow{font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--c-gold);display:block;margin-bottom:9px}
.branch-card h3{font-size:17px;margin-bottom:8px}
.branch-card p{font-size:13.5px;color:var(--c-text-muted);line-height:1.6;margin-bottom:14px}
.branch-meta{font-size:12px;color:var(--c-text-muted);font-style:italic}

/* example hierarchy path (doc §4) */
.hierarchy-path{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-sm);
  padding:16px 20px;font-size:13px;color:var(--c-text-muted);
}
.hierarchy-path b{color:var(--c-primary);font-weight:600}
.hierarchy-path svg{color:var(--c-gold);flex-shrink:0}

/* ============ Book cards + catalog (doc §7) ============ */
.book-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
@media (max-width:1000px){.book-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.book-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:460px){.book-grid{grid-template-columns:1fr}}
.cat-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-md);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.cat-cover{position:relative;aspect-ratio:2/3;overflow:hidden;background:var(--c-bg)}
.cat-cover img{width:100%;height:100%;object-fit:cover}
.cat-body{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1}
.cat-vol{font-size:10.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--c-gold);margin-bottom:6px}
.cat-body h3{font-size:15.5px;line-height:1.3;margin-bottom:5px}
.cat-sub{font-size:12px;color:var(--c-text-muted);line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cat-author{font-size:12.5px;color:var(--c-text-muted);margin-bottom:12px}
.cat-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px}
.cat-formats{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:12px}
.cat-formats span{font-size:9.5px;font-weight:600;padding:3px 8px;border-radius:4px;
  background:var(--c-bg);color:var(--c-text-muted);border:1px solid var(--c-border)}

/* publication status (doc §7) - only available/preorder ever show a buy control */
.status-badge{
  position:absolute;top:10px;left:10px;z-index:2;font-size:10px;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;padding:5px 10px;border-radius:4px;
  backdrop-filter:blur(3px);
}
.status-available{background:rgba(47,107,60,.92);color:#fff}
.status-preorder{background:rgba(184,144,61,.95);color:#241a05}
.status-soon{background:rgba(14,34,56,.9);color:var(--c-gold-light)}
.status-dev{background:rgba(90,84,70,.9);color:#fff}

/* ============ Catalog filters (doc §7) ============ */
.filter-bar{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-md);
  padding:22px 24px;margin-bottom:38px;
}
.filter-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:900px){.filter-row{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.filter-row{grid-template-columns:1fr}}
.filter-field label{
  display:block;font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--c-text-muted);margin-bottom:7px;
}
.filter-field select,.filter-field input{
  width:100%;padding:10px 12px;border:1.5px solid var(--c-border);border-radius:var(--radius-sm);
  background:var(--c-bg);color:var(--c-text);font-size:13.5px;
}
.filter-field select:focus,.filter-field input:focus{outline:none;border-color:var(--c-gold)}
.filter-more{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--c-border);
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
@media (max-width:900px){.filter-more{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.filter-more{grid-template-columns:1fr}}
.filter-toggle{
  margin-top:14px;font-size:12.5px;font-weight:600;color:var(--c-gold);
  display:inline-flex;align-items:center;gap:6px;cursor:pointer;
}
.filter-count{margin-bottom:22px;font-size:13.5px;color:var(--c-text-muted)}
.filter-count b{color:var(--c-text)}

/* ============ Single book page (doc §9) ============ */
.book-layout{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start}
@media (max-width:860px){.book-layout{grid-template-columns:1fr;gap:34px}}
.book-cover-col{position:sticky;top:120px}
@media (max-width:860px){.book-cover-col{position:static;max-width:260px;margin:0 auto}}
.book-facts{list-style:none;margin:22px 0 0;border-top:1px solid var(--c-border)}
.book-facts li{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid var(--c-border);font-size:13.5px}
.book-facts span:first-child{color:var(--c-text-muted)}
.book-facts span:last-child{text-align:right;font-weight:500}
.format-list{display:flex;flex-direction:column;gap:10px;margin:18px 0 24px}
.format-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  border:1px solid var(--c-border);border-radius:var(--radius-sm);padding:12px 16px;background:var(--c-surface);
}
.format-row strong{font-size:14px;font-weight:600}
.format-row small{display:block;font-size:11.5px;color:var(--c-text-muted);margin-top:2px}
.toc-list{list-style:none;columns:2;column-gap:36px}
@media (max-width:700px){.toc-list{columns:1}}
.toc-list li{font-size:13.5px;padding:6px 0;color:var(--c-text-muted);break-inside:avoid}
.toc-list li.part{color:var(--c-primary);font-weight:700;font-family:var(--font-head);padding-top:14px}
.notice-box{
  background:var(--c-surface);border:1px solid var(--c-border);border-left:3px solid var(--c-gold);
  border-radius:var(--radius-sm);padding:16px 20px;font-size:13.5px;color:var(--c-text-muted);line-height:1.6;
}

/* ============ Learning (doc §8) ============ */
.learn-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width:900px){.learn-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.learn-grid{grid-template-columns:1fr}}
.learn-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-md);
  padding:28px 24px;transition:transform var(--dur) var(--ease),border-color var(--dur),box-shadow var(--dur);
}
.learn-card:hover{transform:translateY(-5px);border-color:var(--c-gold);box-shadow:var(--shadow-md)}
.learn-icon{width:46px;height:46px;border-radius:50%;background:var(--c-bg);color:var(--c-gold);
  display:flex;align-items:center;justify-content:center;margin-bottom:15px}
.learn-card h3{font-size:17px;margin-bottom:8px}
.learn-card p{font-size:13.5px;color:var(--c-text-muted);line-height:1.6;margin-bottom:14px}

/* ============ Shared bits ============ */
.section-alt{background:var(--c-surface);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.empty-shelf{
  text-align:center;padding:54px 24px;background:var(--c-surface);
  border:1px dashed var(--c-border);border-radius:var(--radius-md);
}
.empty-shelf h3{font-size:18px;margin-bottom:8px}
.empty-shelf p{color:var(--c-text-muted);font-size:14px;max-width:460px;margin:0 auto}
.country-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width:900px){.country-grid{grid-template-columns:repeat(2,1fr)}}
.country-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-md);
  padding:22px;text-align:center;transition:transform var(--dur),border-color var(--dur);
}
.country-card:hover{transform:translateY(-4px);border-color:var(--c-gold)}
.country-card h3{font-size:16px;margin-bottom:4px}
.country-card p{font-size:12px;color:var(--c-text-muted)}