/* ============================================================
   Steel City Codes — Components
   Reusable UI: header/nav, buttons, badges, cards, stats,
   forms, footer, FAQ, scroll-reveal. Depends on tokens + base.
   ============================================================ */

/* icon sizing helper for inline <svg><use/></svg> */
.ic{width:20px;height:20px;flex-shrink:0;display:inline-block;vertical-align:middle}
.ic-sm{width:16px;height:16px}
.ic-lg{width:28px;height:28px}

/* ---------- header / top bar ----------
   Fixed + transparent over the dark hero/title band; solidifies on scroll.
   Every page opens with a dark backdrop, so the gold logo always has contrast. */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  background:transparent;border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:var(--ink-bar);
  border-bottom-color:rgba(255,255,255,.07);
  box-shadow:0 2px 16px rgba(0,0,0,.25);
}
.header-inner{
  max-width:var(--wrap);margin-inline:auto;padding:0 var(--gutter);
  height:var(--header-h);display:flex;align-items:center;gap:var(--sp-5);
}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand img{height:22px;width:auto;display:block}

.header-spacer{flex:1}

.primary-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  font-size:14px;font-weight:600;letter-spacing:.03em;color:var(--on-dark);
  padding:9px 13px;border-radius:8px;transition:background var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease);
}
.nav-link:hover{background:rgba(255,255,255,.1)}
.nav-link[aria-current="page"]{color:var(--brand)}

.header-actions{display:flex;align-items:center;gap:var(--sp-3)}

/* mobile menu toggle — hidden on desktop */
.menu-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;
  border:1px solid rgba(255,255,255,.18);border-radius:10px;background:rgba(255,255,255,.04);color:var(--on-dark);cursor:pointer}
.menu-toggle svg{width:22px;height:22px}

/* ---------- page hero (inner pages: compact dark title band) ---------- */
.page-hero{background:var(--ink-bar);color:var(--on-dark);padding-top:calc(var(--header-h) + var(--sp-8));padding-bottom:var(--sp-8);position:relative}
.page-hero .eyebrow{color:var(--brand)}
.page-hero h1{color:#fff;margin:14px 0 12px;max-width:20ch}
.page-hero p{color:var(--on-dark-muted);font-size:clamp(17px,2vw,19px);max-width:60ch}
.page-hero .brace{color:var(--brand);font-family:var(--font-slab)}
/* thin gold rule under the band */
.page-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--brand)}

/* ---------- mobile fullscreen overlay menu ---------- */
.mobile-menu{
  position:fixed;inset:0;z-index:100;background:var(--ink-bar);color:#F5EFE4;
  display:flex;flex-direction:column;padding:var(--gutter);
  transform:translateY(-100%);visibility:hidden;
  transition:transform var(--dur-slow) var(--ease),visibility 0s linear var(--dur-slow);
}
.mobile-menu.is-open{transform:translateY(0);visibility:visible;transition:transform var(--dur-slow) var(--ease-bounce)}
.mobile-menu-head{display:flex;align-items:center;height:66px}
.mobile-menu-head .header-spacer{flex:1}
.mobile-menu .close-btn{width:42px;height:42px;border:1px solid rgba(255,255,255,.16);border-radius:10px;
  background:transparent;color:#F5EFE4;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.mobile-menu nav{display:flex;flex-direction:column;gap:2px;margin-top:var(--sp-6)}
.mobile-menu nav a{
  font-family:var(--font-slab);font-size:clamp(28px,7vw,42px);font-weight:500;
  color:#F5EFE4;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.08);
  opacity:0;transform:translateY(12px);
}
.mobile-menu.is-open nav a{animation:menu-item-in var(--dur) var(--ease-bounce) forwards}
.mobile-menu nav a:nth-child(1){animation-delay:.05s}
.mobile-menu nav a:nth-child(2){animation-delay:.10s}
.mobile-menu nav a:nth-child(3){animation-delay:.15s}
.mobile-menu nav a:nth-child(4){animation-delay:.20s}
.mobile-menu nav a:nth-child(5){animation-delay:.25s}
.mobile-menu nav a:nth-child(6){animation-delay:.30s}
.mobile-menu nav a:nth-child(7){animation-delay:.35s}
.mobile-menu nav a:nth-child(8){animation-delay:.40s}
.mobile-menu .mobile-cta{margin-top:auto;padding-top:var(--sp-6)}
@keyframes menu-item-in{to{opacity:1;transform:translateY(0)}}
@media (prefers-reduced-motion:reduce){
  .mobile-menu nav a{opacity:1;transform:none;animation:none}
  .mobile-menu,.mobile-menu.is-open{transition:none}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:var(--radius);
  font-family:inherit;font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;white-space:nowrap;
  transition:transform var(--dur-fast) var(--ease-bounce),background var(--dur-fast) var(--ease),box-shadow var(--dur-fast) var(--ease);
}
.btn svg{width:18px;height:18px}
.btn:hover{transform:translateY(-2px) scale(1.02)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-primary{background:var(--brand);color:var(--on-brand);box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--brand-hover);box-shadow:var(--shadow-md)}
.btn-secondary{background:var(--surface);color:var(--ink);border-color:var(--border-strong)}
.btn-secondary:hover{background:var(--surface-sunken)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:color-mix(in srgb,var(--ink) 8%,transparent)}
.btn-soft{background:var(--brand-soft);color:var(--warning)}
.btn-lg{height:52px;padding:0 26px;font-size:16px}
.btn-sm{height:38px;padding:0 15px;font-size:13px}
/* light-outline button for dark backgrounds (hero, CTA band) */
.btn-outline-light{background:rgba(255,255,255,.06);color:var(--on-dark);border-color:rgba(255,255,255,.35)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55)}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:var(--radius-pill);
  padding:5px 12px;font-size:12.5px;font-weight:600}
.badge svg{width:13px;height:13px}
.badge-brand{background:var(--brand-soft);color:var(--warning)}
.badge-success{background:var(--success-soft);color:var(--success)}
.badge-info{background:var(--info-soft);color:var(--info)}
.badge-muted{background:var(--surface-sunken);color:var(--ink-muted)}

/* ---------- cards ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:var(--sp-5)}
.card.hoverable{transition:transform var(--dur) var(--ease-bounce),box-shadow var(--dur) var(--ease);cursor:pointer}
.card.hoverable:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.card-icon{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;
  border-radius:12px;background:var(--brand-soft);color:var(--warning);margin-bottom:var(--sp-4)}
.card-icon svg{width:24px;height:24px}
.card h3{margin-bottom:var(--sp-2)}
.card p{color:var(--ink-muted);font-size:15px}

/* program card — numbered, links to a program page */
.program-card{position:relative;display:flex;flex-direction:column;gap:var(--sp-3);overflow:hidden}
.program-card .step{font-family:var(--font-mono);font-size:12px;font-weight:600;color:var(--warning)}
.program-card .card-cta{margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-weight:600;font-size:14px;color:var(--ink);padding-top:var(--sp-3)}
.program-card .card-cta svg{width:16px;height:16px;transition:transform var(--dur-fast) var(--ease-bounce)}
.program-card:hover .card-cta svg{transform:translateX(4px)}

/* ---------- stat cards (signature: count up on reveal) ---------- */
.stat{display:flex;flex-direction:column;gap:6px}
.stat .stat-top{display:flex;justify-content:space-between;align-items:center;gap:var(--sp-3);margin-bottom:var(--sp-2)}
.stat .stat-ico{width:44px;height:44px;flex:0 0 44px;border-radius:var(--radius-pill);display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--warning)}
.stat .stat-ico svg{width:20px;height:20px}
.stat .stat-num{font-size:clamp(34px,4.5vw,44px);font-weight:700;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;line-height:1}
.stat .stat-cap{font-size:14px;color:var(--ink-muted)}

/* ---------- FAQ (details/summary, no JS needed) ---------- */
.faq{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);overflow:hidden}
.faq details{border-top:1px solid var(--border)}
.faq details:first-child{border-top:0}
.faq summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:600;
  display:flex;justify-content:space-between;align-items:center;gap:var(--sp-4)}
.faq summary::-webkit-details-marker{display:none}
.faq summary .chev{transition:transform var(--dur) var(--ease-bounce);color:var(--ink-muted);flex-shrink:0}
.faq summary .chev svg{width:20px;height:20px}
.faq details[open] summary .chev{transform:rotate(180deg)}
.faq summary:hover{background:var(--surface-sunken)}
.faq .faq-body{padding:0 20px 20px;color:var(--ink-muted);font-size:15px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-bar);color:var(--on-dark-muted);padding-block:var(--sp-8) var(--sp-7);margin-top:var(--sp-9)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--sp-6)}
.footer-brand p{color:var(--on-dark-muted);font-size:15px}
.site-footer .col-head{color:var(--on-dark);font-size:13px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--sp-4);font-weight:600}
.site-footer a{color:var(--on-dark-muted);font-size:14px;display:inline-block;padding:4px 0;transition:color var(--dur-fast) var(--ease)}
.site-footer a:hover{color:var(--brand)}
.footer-cols nav{display:flex;flex-direction:column}
.footer-social{display:flex;gap:var(--sp-3);margin-top:var(--sp-4)}
.footer-social a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border:1px solid rgba(255,255,255,.14);border-radius:10px;transition:transform var(--dur-fast) var(--ease-bounce),background var(--dur-fast) var(--ease)}
.footer-social a:hover{transform:translateY(-2px);background:rgba(255,255,255,.08)}
.footer-social svg{width:19px;height:19px}
.footer-legal{border-top:1px solid rgba(255,255,255,.08);margin-top:var(--sp-7);padding-top:var(--sp-5);
  display:flex;justify-content:space-between;gap:var(--sp-4);flex-wrap:wrap;font-size:13px;color:var(--ink-faint)}

/* ---------- scroll reveal (progressive enhancement) ----------
   Only hidden when JS is active (html.js). No JS = content visible. */
html.js .reveal{opacity:0;transform:translateY(18px);transition:opacity var(--dur-slow) var(--ease),transform var(--dur-slow) var(--ease)}
html.js .reveal.is-visible{opacity:1;transform:none}
html.js .reveal[data-delay="1"]{transition-delay:.08s}
html.js .reveal[data-delay="2"]{transition-delay:.16s}
html.js .reveal[data-delay="3"]{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){
  html.js .reveal{opacity:1;transform:none;transition:none}
}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .primary-nav,.header-actions .btn{display:none}
  .menu-toggle{display:inline-flex}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr}
  .footer-legal{flex-direction:column;gap:var(--sp-2)}
}