/* Theme Name: ZeroY Starter */
:root{font-family:var(--font-body)}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;color:var(--color-body);background:var(--color-background);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{color:var(--color-ink);line-height:1.08;margin:0 0 .5em;letter-spacing:-.02em;font-weight:750}
h1{font-size:clamp(2.5rem,6vw,4.3rem);letter-spacing:-.035em}
h2{font-size:clamp(1.85rem,3.6vw,2.75rem)}
h3{font-size:1.12rem;letter-spacing:-.01em}
p{margin:0 0 1em}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
:focus-visible{outline:3px solid var(--color-focus);outline-offset:3px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--color-ink);color:#fff;padding:12px 18px;z-index:50}
.skip-link:focus{left:12px;top:12px}

.wrap{max-width:var(--max-width);margin-inline:auto;padding-inline:var(--space-gutter)}
.section{padding-block:var(--space-section)}
.section--surface{background:var(--color-surface)}
.section--tight{padding-block:calc(var(--space-section) * .6)}
.section__head{max-width:62ch;margin-bottom:44px}
.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:.74rem;font-weight:700;color:var(--color-muted);margin:0 0 14px}
.eyebrow--accent{color:#8a6a00}
.lede{font-size:clamp(1rem,1.5vw,1.15rem);max-width:62ch}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:#ffffff;border-bottom:1px solid var(--color-line)}
.site-header__inner{display:flex;align-items:center;gap:clamp(16px,2vw,30px);max-width:var(--max-width);margin-inline:auto;padding:12px var(--space-gutter)}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto;text-decoration:none;flex-shrink:0}
.brand__mark{width:38px;height:38px;border-radius:8px;background:var(--color-ink);color:var(--color-accent);display:grid;place-items:center;font-weight:800;font-size:.82rem;letter-spacing:.04em;flex:none}
.brand__name{display:block;font-weight:800;color:var(--color-ink);line-height:1.15}
.brand__tagline{display:block;font-size:.72rem;color:var(--color-muted)}
.site-nav__list{display:flex;align-items:center;flex-wrap:nowrap;white-space:nowrap;gap:clamp(12px,1.8vw,24px);list-style:none;margin:0;padding:0;font-size:.92rem;font-weight:600}
.site-nav a{text-decoration:none;color:var(--color-ink)}
.site-nav a:hover{text-decoration:underline;text-underline-offset:5px;text-decoration-color:var(--color-accent);text-decoration-thickness:3px}
.site-header__actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.site-header__cta{white-space:nowrap;padding:11px 18px;font-size:.88rem}

.hamburger-btn{display:none;align-items:center;justify-content:center;width:40px;height:40px;background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-control);cursor:pointer;color:var(--color-ink);padding:0;transition:all .14s ease}
.hamburger-btn:hover{background:#e2e7eb;border-color:var(--color-ink)}
.hamburger-btn:focus-visible{outline:3px solid var(--color-accent)}
.hamburger-btn.is-active .hamburger-icon--open{display:none}
.hamburger-btn.is-active .hamburger-icon--close{display:block !important}

.mobile-nav-drawer{display:none}

.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:var(--radius-control);background:var(--color-ink);color:#fff;font-weight:650;font-size:.93rem;text-decoration:none;border:1px solid transparent;transition:transform .12s ease}
.button--accent{background:var(--color-accent);color:var(--color-accent-ink)}
.button--ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.button:hover{transform:translateY(-1px)}

.cta-text-short{display:none}

@media (max-width:880px){
  .site-header__inner{display:flex;align-items:center;justify-content:space-between;padding:10px var(--space-gutter);gap:12px}
  .brand__tagline{display:none}
  .brand__name{font-size:.95rem}
  .site-nav{display:none !important} /* Mega menu completely hidden on mobile! */
  .site-header__actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .hamburger-btn{display:inline-flex}
  .site-header__cta{padding:8px 12px;font-size:.82rem}

  .mobile-nav-drawer{position:fixed;top:61px;left:0;right:0;bottom:0;background:rgba(15,23,30,.6);backdrop-filter:blur(4px);z-index:99;display:none;opacity:0;transition:opacity .2s ease}
  .mobile-nav-drawer.is-open{display:block;opacity:1}
  .mobile-nav-content{background:#ffffff;width:100%;max-height:calc(100vh - 61px);overflow-y:auto;padding:18px var(--space-gutter) 32px;box-shadow:0 18px 40px rgba(0,0,0,.25);border-bottom:3px solid var(--color-accent);animation:slideDown .22s cubic-bezier(.16,1,.3,1)}

  @keyframes slideDown{
    from{transform:translateY(-10px);opacity:0}
    to{transform:translateY(0);opacity:1}
  }

  .mobile-nav-section-title{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--color-muted);margin:0 0 10px 4px;font-weight:750}
  .mobile-nav-list + .mobile-nav-section-title{margin-top:22px}
  .mobile-nav-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
  .mobile-nav-link{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-radius:var(--radius-control);background:var(--color-surface);font-size:.92rem;font-weight:600;color:var(--color-ink);text-decoration:none;transition:all .14s ease}
  .mobile-nav-link:hover,.mobile-nav-link:active{background:var(--color-ink);color:#ffffff}
  .mobile-nav-link:hover .link-chevron,.mobile-nav-link:active .link-chevron{color:var(--color-accent)}
  .link-chevron{font-size:.8rem;color:var(--color-muted)}

  .mobile-nav-cta-box{margin-top:18px;padding:16px;background:var(--color-dark);color:#ffffff;border-radius:var(--radius-control);display:flex;flex-direction:column;gap:10px}
  .mobile-nav-cta-box p{margin:0;font-size:.84rem;color:var(--color-on-dark-muted);line-height:1.45}
  .mobile-nav-cta-box .button{width:100%;text-align:center}
}

@media (max-width:540px){
  .cta-text-full{display:none}
  .cta-text-short{display:inline}
}

/* Hero */
.hero{background:var(--color-dark);color:var(--color-on-dark-muted);padding-block:clamp(64px,10vw,132px);position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:6px;background:var(--color-accent)}
.hero h1{color:#fff;max-width:20ch}
.hero__lede{color:var(--color-on-dark-muted);font-size:clamp(1rem,1.6vw,1.18rem);max-width:64ch}
.hero .eyebrow{color:var(--color-accent)}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:44px;align-items:center}
@media (max-width:880px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
}
.strip{display:flex;flex-wrap:wrap;gap:10px 30px;margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);list-style:none;padding-left:0}
.strip li{font-size:.78rem;letter-spacing:.13em;text-transform:uppercase;font-weight:650;color:#cfd8de}

/* Cards */
.grid{display:grid;gap:22px}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(258px,1fr))}
.card{background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-card)}
.card h3{margin-bottom:.45em}
.card p:last-child{margin-bottom:0}
.card__kicker{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--color-muted);margin:0 0 12px}

/* Series */
.series{background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-card);padding:26px;display:flex;flex-direction:column;gap:10px}
.series__meta{font-size:.76rem;letter-spacing:.11em;text-transform:uppercase;font-weight:700;color:#8a6a00;margin:0}
.series__name{font-size:1.35rem;font-weight:800;color:var(--color-ink);margin:0;letter-spacing:-.02em}
.series__codes{font-family:var(--font-mono);font-size:.83rem;color:var(--color-muted);margin:0}
.series p{margin:0}
.link-arrow{font-weight:650;color:var(--color-ink);text-decoration:none}
.link-arrow::after{content:" \2192"}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}

/* CTA band */
.cta{background:var(--color-accent);color:var(--color-accent-ink);border-radius:var(--radius-card);padding:clamp(30px,5vw,54px);display:flex;flex-wrap:wrap;gap:22px 34px;align-items:center;justify-content:space-between}
.cta h2{color:var(--color-accent-ink);margin:0;max-width:26ch}
.cta p{margin:.35em 0 0;max-width:46ch}

/* Entries */
.page-head{padding-block:clamp(44px,7vw,84px) 0}
.entry-content{max-width:78ch;padding-block:0 var(--space-section)}
.entry-content h2{margin-top:1.6em}
.entry-content a{color:var(--color-ink);text-decoration:underline;text-underline-offset:3px}
.entry-content ul,.entry-content ol{padding-left:1.2em}
.entry-content li{margin-bottom:.4em}
.entry-content table{width:100%;border-collapse:collapse;font-size:.92rem;margin:1.4em 0}
.entry-content th,.entry-content td{border-bottom:1px solid var(--color-line);padding:12px 14px;text-align:left;vertical-align:top}
.entry-content th{background:var(--color-surface);color:var(--color-ink);font-weight:700;white-space:nowrap}
.entry-content code{font-family:var(--font-mono);font-size:.88em;background:var(--color-surface);padding:2px 6px;border-radius:4px}

/* Footer */
.site-footer{background:var(--color-dark);color:var(--color-on-dark-muted);padding-block:56px 30px}
.footer-grid{display:grid;gap:clamp(20px,3vw,36px);grid-template-columns:1.4fr 1fr 1fr 1fr 1fr}
.footer-brand__name{color:#fff;font-weight:800;font-size:1.18rem;margin:0 0 6px;letter-spacing:-.01em}
.footer-brand__text{max-width:32ch;font-size:.88rem;line-height:1.55;color:var(--color-on-dark-muted);margin-bottom:12px}
.footer-entity-badge{display:inline-block;padding:3px 8px;border-radius:4px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);font-family:var(--font-mono);font-size:.72rem;color:var(--color-accent)}

.footer-col-title{color:#fff;font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;font-family:var(--font-mono);font-weight:750;margin:0 0 14px}
.footer-list{list-style:none;margin:0;padding:0;font-size:.86rem;display:flex;flex-direction:column;gap:8px}
.footer-list li{margin:0}
.site-footer a{color:#cfd8de;text-decoration:none;transition:color .14s ease}
.site-footer a:hover{color:#ffffff;text-decoration:underline;text-decoration-color:var(--color-accent);text-underline-offset:3px}

.footer-contact-item{display:flex;flex-direction:column;gap:2px;margin-bottom:10px}
.footer-contact-item:last-child{margin-bottom:0}
.footer-contact-label{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--color-muted)}
.footer-contact-link{font-weight:600;font-size:.86rem;color:#fff}

.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1)}
.footer-legal{margin:0;font-size:.78rem;color:var(--color-muted)}
.footer-legal-links{display:flex;align-items:center;gap:14px;font-size:.78rem}

/* Footer Mobile Accordion Behavior */
.footer-col-summary{display:none}

@media (max-width: 900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}

@media (max-width: 640px){
  .site-footer{padding-block:36px 20px}
  .footer-grid{display:flex;flex-direction:column;gap:8px}
  .footer-brand{padding-bottom:16px;margin-bottom:6px;border-bottom:1px solid rgba(255,255,255,.12)}
  .footer-brand__text{max-width:100%}

  .footer-col--accordion{border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:6px}
  .footer-col--accordion .footer-col-title{display:none}
  .footer-col-summary{display:flex;align-items:center;justify-content:space-between;padding:10px 4px;cursor:pointer;color:#ffffff;font-family:var(--font-mono);font-size:.78rem;font-weight:750;letter-spacing:.1em;text-transform:uppercase;list-style:none}
  .footer-col-summary::-webkit-details-marker{display:none}
  .footer-chevron{transition:transform .2s ease;color:var(--color-accent);font-size:16px;font-weight:bold}
  .footer-col--accordion[open] .footer-chevron{transform:rotate(45deg)}

  .footer-col--accordion .footer-list{padding:6px 4px 14px 8px;gap:10px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;margin-top:24px;padding-top:16px}
}

/* ==========================================================================
   Contact Page & Form Components
   ========================================================================== */
.contact-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:start}
@media (max-width:960px){
  .contact-layout{grid-template-columns:1fr;gap:36px}
}

.form-card{background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-card);padding:clamp(24px,4vw,36px);box-shadow:var(--shadow-card)}
.form-card__header{margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--color-surface)}
.form-card__title{font-size:clamp(1.35rem,2.5vw,1.75rem);margin:8px 0 10px}
.form-card__desc{color:var(--color-body);font-size:.95rem;margin:0}

.technical-badge{display:inline-block;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;padding:4px 10px;border-radius:4px;background:var(--color-surface);color:var(--color-ink);font-weight:700}
.technical-badge--gold{background:rgba(255,210,0,.18);color:#8a6a00}

.sgs-form{display:flex;flex-direction:column;gap:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:640px){
  .form-grid{grid-template-columns:1fr}
}
.form-group{display:flex;flex-direction:column;gap:8px}
.form-label{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;font-weight:700;color:var(--color-ink)}
.form-label .required{color:#dc2626;margin-left:2px}

.form-input,.form-select,.form-textarea{width:100%;font-family:var(--font-body);font-size:.95rem;color:var(--color-ink);background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-control);padding:12px 14px;transition:border-color .15s,box-shadow .15s;outline:none}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--color-ink);box-shadow:0 0 0 3px rgba(255,210,0,.35)}
.form-textarea{resize:vertical;min-height:100px;line-height:1.5}
.form-select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234b5a66' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:16px;padding-right:36px;appearance:none;-webkit-appearance:none}

.checkbox-chips{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}
.chip-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border:1px solid var(--color-line);border-radius:var(--radius-control);background:var(--color-surface);font-size:.86rem;font-weight:550;color:var(--color-ink);cursor:pointer;transition:border-color .15s,background-color .15s}
.chip-item input[type="checkbox"]{accent-color:var(--color-ink);width:16px;height:16px;cursor:pointer}
.chip-item:hover{border-color:var(--color-ink)}

.form-card__footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:12px;padding-top:20px;border-top:1px solid var(--color-surface)}
.form-card__notice{font-size:.8rem;color:var(--color-muted);margin:0;max-width:40ch}
.form-submit-btn{cursor:pointer;padding:14px 28px;font-size:.96rem}

/* Contact Sidebar */
.contact-sidebar{display:flex;flex-direction:column;gap:20px}
.sidebar-card{background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-card)}
.sidebar-card--bordered{border-left:4px solid var(--color-ink)}
.sidebar-card--dark{background:var(--color-dark);color:var(--color-on-dark-muted);border-color:rgba(255,255,255,.1)}
.sidebar-card__title{font-size:1.18rem;margin:6px 0 14px}
.sidebar-card__title--white{color:#fff}
.sidebar-card__text{font-size:.9rem;line-height:1.6;margin:0}

.contact-channels{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}
.channel-item{display:flex;flex-direction:column;gap:3px;padding-bottom:12px;border-bottom:1px solid var(--color-surface)}
.channel-item:last-child{border-bottom:none;padding-bottom:0}
.channel-label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--color-muted);font-weight:700}
.channel-link{font-weight:700;color:var(--color-ink);text-decoration:none;font-size:.95rem;word-break:break-all}
.channel-link:hover{text-decoration:underline;text-decoration-color:var(--color-accent);text-underline-offset:3px}
.channel-hint{font-size:.8rem;color:var(--color-body)}

.checklist{list-style:none;margin:0;padding:0;font-size:.88rem;display:flex;flex-direction:column;gap:10px}
.checklist li{position:relative;padding-left:18px}
.checklist li::before{content:"\2022";position:absolute;left:0;color:var(--color-accent-ink);font-weight:bold}

/* ==========================================================================
   Thank You Page Components
   ========================================================================== */
.thank-you-hero{background:var(--color-dark);color:var(--color-on-dark-muted);padding-block:clamp(56px,8vw,100px);position:relative;overflow:hidden}
.thank-you-hero::after{content:"";position:absolute;inset:auto 0 0 0;height:6px;background:var(--color-accent)}

.thank-you-card{max-width:780px}
.status-indicator{display:inline-flex;align-items:center;gap:12px;padding:6px 14px 6px 8px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);margin-bottom:20px}
.status-indicator__icon{width:32px;height:32px;border-radius:50%;background:var(--color-accent);color:var(--color-accent-ink);display:grid;place-items:center}
.status-indicator__label{font-size:.76rem;letter-spacing:.12em;font-weight:700;color:var(--color-accent)}

.thank-you-title{color:#fff;font-size:clamp(2rem,4.5vw,3.2rem);margin-bottom:.4em}
.thank-you-lede{color:var(--color-on-dark-muted);font-size:clamp(1.05rem,1.8vw,1.25rem);max-width:58ch;margin-bottom:28px}
.thank-you-lede strong{color:#fff}

.intake-metadata{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;padding-top:24px;border-top:1px solid rgba(255,255,255,.15)}
.metadata-col{display:flex;flex-direction:column;gap:4px}
.metadata-col__label{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--color-on-dark-muted)}
.metadata-col__val{color:#fff;font-weight:600;font-size:.92rem}

.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.step-card{background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-card);position:relative}
.step-card__number{font-size:2.2rem;font-weight:900;color:rgba(15,23,30,.12);line-height:1;margin-bottom:12px}
.step-card__title{font-size:1.18rem;margin-bottom:.6em}
.step-card__text{font-size:.92rem;color:var(--color-body);margin:0;line-height:1.6}

.urgent-box{background:var(--color-surface);border:1px solid var(--color-line);border-left:4px solid var(--color-accent);border-radius:var(--radius-card);padding:28px;margin-bottom:36px}
.urgent-box__title{font-size:1.24rem;margin:6px 0 10px}
.urgent-box__text{font-size:.93rem;color:var(--color-body);margin-bottom:14px}
.urgent-box__contacts{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:.92rem}
.urgent-link{font-weight:700;color:var(--color-ink);text-decoration:none}
.urgent-link:hover{text-decoration:underline;text-decoration-color:var(--color-accent);text-underline-offset:3px}
.urgent-divider{color:var(--color-muted)}

.next-actions{display:flex;flex-direction:column;gap:16px;padding-top:10px}
.next-actions__title{font-size:.95rem;text-transform:uppercase;letter-spacing:.08em;color:var(--color-muted);margin:0}
.next-actions__links{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.button--ghost-dark{background:transparent;border:1px solid var(--color-line);color:var(--color-ink)}
.button--ghost-dark:hover{background:var(--color-surface)}
.link-back{font-size:.92rem;font-weight:650;color:var(--color-body);text-decoration:none}
.link-back:hover{color:var(--color-ink);text-decoration:underline}

/* ==========================================================================
   Book Post Type - Technical Industrial Premium Styling
   ========================================================================== */
.book-hero{background:var(--color-dark);color:var(--color-on-dark-muted);padding-block:clamp(56px,8vw,96px);position:relative;overflow:hidden}
.book-hero::after{content:"";position:absolute;inset:auto 0 0 0;height:6px;background:var(--color-accent)}

.library-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-bottom:36px;padding-bottom:18px;border-bottom:1px solid var(--color-line)}
.library-header__meta{display:flex;align-items:center;gap:14px}
.library-count{font-size:.84rem;font-weight:700;color:var(--color-ink);background:#fff;border:1px solid var(--color-line);padding:4px 10px;border-radius:4px}
.library-header__note{font-size:.88rem;color:var(--color-body);max-width:54ch}

/* Book Grid (Catalog) */
.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:28px}
@media (max-width:640px){
  .book-grid{grid-template-columns:1fr}
}

.book-item-card{background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;transition:transform .16s ease,box-shadow .16s ease}
.book-item-card:hover{transform:translateY(-3px);box-shadow:0 12px 36px rgba(15,23,30,.1)}

.book-item-card__cover-link{display:block;background:var(--color-dark);position:relative;overflow:hidden;text-decoration:none}
.book-cover-frame{position:relative;aspect-ratio:3/4;max-height:380px;display:flex;align-items:center;justify-content:center;background:#131c24}
.book-cover-asset{width:100%;height:100%;object-fit:cover;display:block;transition:transform .25s ease}
.book-item-card:hover .book-cover-asset{transform:scale(1.03)}
.book-format-tag{position:absolute;top:12px;right:12px;background:rgba(15,23,30,.88);color:var(--color-accent);font-size:.7rem;font-weight:750;letter-spacing:.12em;padding:4px 8px;border-radius:4px;border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(4px)}

.book-item-card__content{padding:24px;display:flex;flex-direction:column;flex-grow:1}
.book-item-card__top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.genre-pill{display:inline-block;padding:3px 8px;border-radius:4px;background:var(--color-surface);font-size:.74rem;font-weight:700;color:var(--color-ink);letter-spacing:.04em}
.genre-pill--gold{background:rgba(255,210,0,.18);color:#8a6a00}
.book-year{font-size:.78rem;color:var(--color-muted);font-weight:600}

.book-item-card__title{font-size:1.22rem;line-height:1.25;margin:0 0 6px}
.book-item-card__title a{text-decoration:none;color:var(--color-ink)}
.book-item-card__title a:hover{text-decoration:underline;text-decoration-color:var(--color-accent);text-underline-offset:3px}
.book-item-card__subtitle{font-size:.88rem;color:var(--color-muted);line-height:1.4;margin:0 0 10px}
.book-item-card__author{font-size:.88rem;color:var(--color-body);margin:0 0 16px}

.book-item-card__spec-bar{font-size:.76rem;color:var(--color-muted);background:var(--color-surface);border:1px solid var(--color-line);padding:8px 12px;border-radius:var(--radius-control);display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:auto}
.spec-divider{color:var(--color-line)}
.price-val{color:var(--color-ink);font-weight:700}
.book-item-card__actions{margin-top:16px}

/* Book Single Page */
.book-breadcrumb{margin-bottom:28px}
.book-detail-stage{display:grid;grid-template-columns:360px 1fr;gap:44px;align-items:start;margin-bottom:52px}
@media (max-width:920px){
  .book-detail-stage{grid-template-columns:1fr;gap:32px}
}

.book-detail-aside{display:flex;flex-direction:column;gap:20px}
.book-3d-cover-wrapper{background:#111921;border-radius:var(--radius-card);overflow:hidden;box-shadow:0 18px 42px rgba(15,23,30,.2);border:1px solid var(--color-line)}
.book-3d-cover-img{width:100%;height:auto;aspect-ratio:3/4;object-fit:cover;display:block}

.book-purchase-panel{display:flex;flex-direction:column;gap:16px;padding:24px}
.price-box{display:flex;flex-direction:column;gap:2px;padding-bottom:14px;border-bottom:1px solid var(--color-surface)}
.price-box__label{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--color-muted)}
.price-box__amount{font-size:1.85rem;font-weight:800;color:var(--color-ink);letter-spacing:-.02em}
.book-action-stack{display:flex;flex-direction:column;gap:10px}
.button--block{width:100%;text-align:center}
.button--small{padding:9px 16px;font-size:.85rem}
.panel-guarantee{font-size:.76rem;color:var(--color-muted);margin:0;text-align:center}

.book-meta-top{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.book-attributions{display:flex;flex-wrap:wrap;gap:16px 28px;margin:18px 0 26px;padding-block:14px;border-top:1px solid var(--color-line);border-bottom:1px solid var(--color-line)}
.attr-item{display:flex;flex-direction:column;gap:2px}
.attr-item__label{font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--color-muted)}
.attr-item__val{font-size:.95rem;font-weight:600;color:var(--color-ink)}

.spec-matrix{padding:24px}
.spec-matrix__header{margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--color-surface)}
.spec-matrix__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px 22px}
.matrix-cell{display:flex;flex-direction:column;gap:3px}
.matrix-cell__label{font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--color-muted)}
.matrix-cell__val{font-size:.92rem;color:var(--color-ink);font-weight:600}

.book-body-sections{display:flex;flex-direction:column;gap:36px;margin-top:20px}
.book-synopsis{max-width:82ch}
.book-toc-section h2{margin-bottom:.5em}
.book-toc-panel{background:var(--color-surface);border:1px solid var(--color-line);padding:24px;border-radius:var(--radius-card)}
.book-compliance-box{border-left:4px solid var(--color-accent);padding:22px 26px}
.book-compliance-box h3{font-size:1.1rem;margin-bottom:.4em}
.book-compliance-box p{font-size:.9rem;margin:0;color:var(--color-body)}

/* Taxonomy Tag rows */
.book-tags-row{display:flex;flex-wrap:wrap;gap:6px 10px;margin-bottom:14px}
.tag-meta-item{font-size:.74rem;padding:3px 8px;border-radius:4px;background:var(--color-surface);color:var(--color-body);border:1px solid var(--color-line)}
.tag-meta-item strong{color:var(--color-ink)}
.tag-meta-item--purpose{background:#eef4f8;border-color:#d4e2eb}
.tag-meta-item--audience{background:#fdf6e6;border-color:#f5e2b8}



/* ==========================================================================
   Book Mega Menu Component
   ========================================================================== */
.site-nav__list{display:flex;align-items:center;gap:24px;list-style:none;margin:0;padding:0}
.nav-item--mega{position:static;padding-block:12px;margin-block:-12px}

.nav-mega-toggle{display:inline-flex;align-items:center;gap:6px;background:transparent;border:none;padding:8px 0;font-family:var(--font-body);font-size:.94rem;font-weight:600;color:var(--color-ink);cursor:pointer;line-height:inherit}
.nav-mega-toggle:hover{text-decoration:underline;text-underline-offset:5px;text-decoration-color:var(--color-accent);text-decoration-thickness:3px}
.dropdown-chevron{transition:transform .18s ease;color:var(--color-muted)}
.nav-item--mega:hover .dropdown-chevron,.nav-item--mega:focus-within .dropdown-chevron,.nav-item--mega.is-open .dropdown-chevron{transform:rotate(180deg);color:var(--color-ink)}

.mega-menu-panel{position:absolute;top:100%;left:0;right:0;width:100%;background:#ffffff;border-top:1px solid var(--color-line);border-bottom:3px solid var(--color-ink);box-shadow:0 24px 50px rgba(15,23,30,.22);padding-top:32px;display:none;z-index:999}
.mega-menu-panel::before{content:"";position:absolute;top:-20px;left:0;right:0;height:20px;background:transparent}
.nav-item--mega:hover .mega-menu-panel,.nav-item--mega:focus-within .mega-menu-panel,.nav-item--mega.is-open .mega-menu-panel{display:block}

.mega-menu-grid{max-width:var(--max-width);margin-inline:auto;padding-inline:var(--space-gutter);display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-bottom:28px}
.mega-menu-grid--2{grid-template-columns:repeat(2,1fr);max-width:860px}
.mega-menu-grid--3{grid-template-columns:repeat(3,1fr)}

.mega-column{display:flex;flex-direction:column}
.mega-column__head{border-bottom:2px solid var(--color-surface);padding-bottom:10px;margin-bottom:14px}
.mega-column__eyebrow{font-size:.7rem;letter-spacing:.14em;color:#8a6a00;font-weight:750;display:block}
.mega-column__title{font-size:1.1rem;font-weight:800;color:var(--color-ink);margin:4px 0 0;letter-spacing:-.01em}

.mega-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.mega-link{display:block;padding:8px 12px;border-radius:var(--radius-control);color:var(--color-body);text-decoration:none;font-size:.88rem;font-weight:550;line-height:1.35;transition:all .14s ease;border-left:3px solid transparent}
.mega-link:hover{color:var(--color-ink);background:var(--color-surface);border-left-color:var(--color-accent);transform:translateX(3px)}
.mega-link:focus-visible{outline:2px solid var(--color-accent);outline-offset:-2px}

.mega-menu-footer{background:var(--color-surface);border-top:1px solid var(--color-line);padding:14px 0}
.mega-menu-footer > * {max-width:var(--max-width);margin-inline:auto;padding-inline:var(--space-gutter);display:flex;align-items:center;justify-content:space-between;gap:20px}
.mega-footer-info{display:flex;align-items:center;gap:12px}
.mega-footer-text{font-size:.85rem;color:var(--color-muted);font-weight:550}

@media (max-width:880px){
  .nav-item--mega{position:relative;width:100%}
  .nav-mega-toggle{width:100%;display:flex;justify-content:space-between;align-items:center;padding:11px 14px;border-radius:var(--radius-control);background:var(--color-surface);font-size:.92rem}
  .nav-mega-toggle:hover{text-decoration:none;background:#e5eaed}
  .mega-menu-panel{position:static;box-shadow:none;border:none;border-left:3px solid var(--color-accent);background:var(--color-surface);padding:16px 12px 10px;margin-top:6px;transform:none;opacity:1;visibility:visible;display:none}
  .nav-item--mega.is-open .mega-menu-panel{display:block}
  .mega-menu-grid{grid-template-columns:1fr;gap:20px;padding-inline:0;margin-bottom:16px}
  .mega-menu-footer{background:transparent;border-top:1px solid var(--color-line);padding:10px 0 0}
  .mega-menu-footer > * {flex-direction:column;align-items:flex-start;padding-inline:0}
}

/* ==========================================================================
   Mega Menu: clickable column titles + audience thumbnails
   ========================================================================== */
.mega-column__link{color:var(--color-ink);text-decoration:none;background-image:linear-gradient(var(--color-accent),var(--color-accent));background-repeat:no-repeat;background-position:0 100%;background-size:0 3px;transition:background-size .2s ease}
.mega-column__link:hover{background-size:100% 3px}

.mega-link--thumb{display:flex;align-items:center;gap:10px}
.mega-link__img{width:34px;height:44px;object-fit:cover;border-radius:4px;border:1px solid var(--color-line);flex:none;background:var(--color-surface)}
.mega-link--thumb:hover .mega-link__img{border-color:var(--color-ink)}

/* ==========================================================================
   Taxonomy Archive Hero with Term Image
   ========================================================================== */
.term-hero-grid{display:grid;gap:36px;align-items:center}
.term-hero-grid--split{grid-template-columns:1.4fr .8fr}
@media (max-width:880px){
  .term-hero-grid--split{grid-template-columns:1fr;gap:24px}
}
.term-hero-copy{min-width:0}
.term-hero-media{display:flex;justify-content:flex-end}
.term-hero-img{width:100%;max-width:320px;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-card);border:1px solid rgba(255,255,255,.2);box-shadow:0 18px 42px rgba(0,0,0,.35)}

/* ==========================================================================
   Term Collection Pages (/topics/ /purposes/ /audiences/)
   ========================================================================== */
.term-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:26px}
@media (max-width:640px){
  .term-grid{grid-template-columns:1fr}
}

.term-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);text-decoration:none;transition:transform .16s ease,box-shadow .16s ease}
.term-card:hover{transform:translateY(-3px);box-shadow:0 14px 38px rgba(15,23,30,.12)}

.term-card__media{background:#111921;position:relative;aspect-ratio:3/2;display:flex;align-items:center;justify-content:center;overflow:hidden}
.term-card__img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .25s ease}
.term-card:hover .term-card__img{transform:scale(1.04)}
.term-card__tile{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:4rem;font-weight:800;color:var(--color-accent);background:linear-gradient(135deg,#0f171e 0%,#1c2630 100%)}

.term-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex-grow:1}
.term-card__name{font-size:1.14rem;line-height:1.28;color:var(--color-ink);margin:0}
.term-card__count{align-self:flex-start;font-size:.74rem;font-weight:700;color:var(--color-muted);background:var(--color-surface);border:1px solid var(--color-line);padding:3px 9px;border-radius:4px}
.term-card:hover .term-card__count{color:var(--color-ink);border-color:var(--color-ink)}
.term-card__cta{margin-top:auto;font-size:.86rem;font-weight:650;color:var(--color-ink)}
.term-card:hover .term-card__cta{text-decoration:underline;text-decoration-color:var(--color-accent);text-decoration-thickness:3px;text-underline-offset:4px}

/* ==========================================================================
   Knowledge & Decision Center (/insights/ & /insights/{slug}/)
   ========================================================================== */
.knowledge-task-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.task-card{background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-card);padding:24px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow-card);transition:transform .14s ease,box-shadow .14s ease}
.task-card:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(15,23,30,.09)}
.task-card__title{font-size:1.15rem;margin:4px 0 0;letter-spacing:-.01em}
.task-card__desc{font-size:.88rem;color:var(--color-body);line-height:1.55;margin:0;flex-grow:1}
.task-card__footer{margin-top:8px;padding-top:12px;border-top:1px solid var(--color-surface)}

.knowledge-articles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}
.article-card{background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-card);padding:26px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow-card)}
.article-card__meta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px}
.evidence-tag{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--color-ink);background:rgba(255,210,0,.22);border:1px solid rgba(255,210,0,.5);padding:2px 8px;border-radius:4px;font-weight:700}
.article-card__title{font-size:1.24rem;line-height:1.3;margin:0}
.article-card__title a{text-decoration:none;color:var(--color-ink)}
.article-card__title a:hover{text-decoration:underline;text-decoration-color:var(--color-accent);text-underline-offset:3px}

.article-card__qbox{background:var(--color-surface);border-left:3px solid var(--color-accent);border-radius:0 var(--radius-control) var(--radius-control) 0;padding:12px 14px}
.qbox-label{display:block;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:#8a6a00;font-weight:750;margin-bottom:4px}
.qbox-text{font-size:.86rem;color:var(--color-ink);margin:0;font-weight:600;line-height:1.45}
.article-card__summary{font-size:.9rem;color:var(--color-body);line-height:1.6;margin:0}

.article-card__taxonomies{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.tax-pill{font-size:.72rem;font-weight:600;background:var(--color-surface);border:1px solid var(--color-line);border-radius:4px;padding:3px 9px;color:var(--color-ink)}
.tax-pill--subtle{background:transparent;border-style:dashed;color:var(--color-muted)}
.article-card__action{margin-top:8px}

.knowledge-empty-state{text-align:center;padding:clamp(36px,6vw,64px);max-width:680px;margin:0 auto}
.knowledge-empty-state h3{font-size:1.5rem;margin:12px 0 10px}
.knowledge-empty-state p{font-size:.95rem;color:var(--color-body);max-width:54ch;margin:0 auto 16px}
.empty-state-actions{margin-top:20px}

/* Single Post Specifics */
.post-hero{background:var(--color-dark);color:var(--color-on-dark-muted);padding-block:clamp(56px,8vw,100px);position:relative}
.post-hero::after{content:"";position:absolute;inset:auto 0 0 0;height:6px;background:var(--color-accent)}
.post-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:20px;color:rgba(255,255,255,.6)}
.post-breadcrumb a{color:rgba(255,255,255,.8);text-decoration:none}
.post-breadcrumb a:hover{color:#fff;text-decoration:underline}
.post-breadcrumb .sep{color:var(--color-accent)}

.post-meta-badges{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px}
.review-date{font-size:.74rem;color:rgba(255,255,255,.6);letter-spacing:.06em}

.post-title{color:#fff;font-size:clamp(2.1rem,4.5vw,3.4rem);line-height:1.14;max-width:24ch;margin-bottom:28px}

.executive-decision-box{background:var(--color-dark-raised);border:1px solid rgba(255,255,255,.14);border-left:4px solid var(--color-accent);border-radius:var(--radius-card);padding:24px 28px;max-width:880px;display:flex;flex-direction:column;gap:14px}
.decision-label{display:block;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--color-accent);font-weight:750}
.decision-label--accent{color:#fff}
.decision-qtext{color:#fff;font-size:1.05rem;font-weight:600;margin:0;line-height:1.5}
.decision-atext{color:#d1dbe2;font-size:.95rem;margin:0;line-height:1.6}

.post-layout{display:grid;grid-template-columns:1.8fr 1fr;gap:44px;align-items:start}
.post-content-area{min-width:0}
.post-disclaimer-box{background:var(--color-surface);border:1px dashed var(--color-line);border-radius:var(--radius-control);padding:18px 20px;margin:36px 0;font-size:.85rem;color:var(--color-body);line-height:1.6}
.disclaimer-title{display:block;font-size:.7rem;letter-spacing:.14em;font-weight:750;color:var(--color-muted);margin-bottom:6px}

.post-cta-banner{background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-card);padding:28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;margin-top:32px}
.cta-banner__copy h3{font-size:1.2rem;margin:0 0 6px}
.cta-banner__copy p{font-size:.92rem;color:var(--color-body);margin:0}

.spec-matrix{display:grid;gap:12px;margin:0}
.matrix-row{display:flex;flex-direction:column;gap:2px;padding-bottom:10px;border-bottom:1px solid var(--color-surface)}
.matrix-row:last-child{border-bottom:none;padding-bottom:0}
.matrix-label{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--color-muted);font-weight:700}
.matrix-val{font-size:.92rem;font-weight:600;color:var(--color-ink);margin:0}

.sidebar-contact-links{display:flex;flex-direction:column;gap:6px;margin-top:14px}
.sidebar-contact-link{font-size:.88rem;color:#fff;text-decoration:none}
.sidebar-contact-link:hover{color:var(--color-accent);text-decoration:underline}
.sidebar-back-box{padding-top:8px}

@media (max-width:960px){
  .post-layout{grid-template-columns:1fr;gap:36px}
}

/* ==========================================================================
   Case study classification chips
   ========================================================================== */
.sol-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.sol-list li{position:relative;padding-left:18px;font-size:.92rem;color:var(--color-body);line-height:1.6}
.sol-list li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:1px;background:var(--color-accent)}
.sol-tradeoff-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.sol-tradeoff{background:#fff;border:1px solid var(--color-line);border-left:3px solid var(--color-accent);border-radius:var(--radius-control);padding:16px 18px;font-size:.92rem;line-height:1.6;color:var(--color-body)}
.sol-validation{background:var(--color-dark);color:var(--color-on-dark-muted);border-radius:var(--radius-card);padding:26px 28px;margin-top:40px}
.sol-validation__label{display:block;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--color-accent);font-weight:750;margin-bottom:10px}
.sol-validation p{margin:0 0 10px;font-size:.92rem;line-height:1.65}
.sol-validation p:last-child{margin-bottom:0}
.sol-cross{display:flex;flex-wrap:wrap;gap:10px}
.sol-cross a,.sol-cross span{display:inline-block;font-size:.82rem;font-weight:600;color:var(--color-ink);background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-control);padding:9px 13px;text-decoration:none;transition:border-color .14s ease}
.sol-cross a:hover{border-color:var(--color-ink)}

/* ==========================================================================
   Landing pages (post type: landing_page)
   Standalone surface: rendered without the site header, footer or navigation.
   ========================================================================== */
.sgs-landing{background:var(--color-background)}
.sgs-landing__main{max-width:var(--max-width);margin-inline:auto;padding:clamp(32px,6vw,88px) var(--space-gutter)}
.sgs-landing__main> :first-child{margin-top:0}
.sgs-landing__main> :last-child{margin-bottom:0}