:root{
  --container:1220px;
  --radius:22px;
  --radius-sm:16px;
  --shadow:0 16px 40px rgba(15,23,42,.08);
  --shadow-hover:0 18px 46px rgba(15,23,42,.12);
  --transition:.22s ease;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial,sans-serif;
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--color-surface) 88%, transparent), rgba(255,255,255,0) 34%),
    linear-gradient(180deg, color-mix(in srgb, var(--color-surface) 58%, var(--color-bg) 42%) 0%, var(--color-bg) 100%);
  color:var(--color-text);
  line-height:1.6;
}
img{max-width:100%;display:block}
a{
  color:var(--color-link);
  text-decoration-thickness:1px;
  text-underline-offset:2px;
}
a:hover,a:focus{ text-decoration-thickness:2px; }
:focus-visible{
  outline:3px solid #111;
  outline-offset:2px;
  border-radius:8px;
}
.skip-links{position:absolute;top:-1000px;left:0}
.skip-links a:focus{
  position:fixed;top:.6rem;left:.6rem;z-index:9999;
  background:#fff;color:#000;padding:.8rem 1rem;border:2px solid #000;border-radius:12px;
}
.site-header{
  background:var(--color-header, transparent);
  color:var(--color-header-text, inherit);
  position:sticky;
  top:0;
  z-index:1000;
  backdrop-filter:blur(10px);
  box-shadow:0 4px 20px rgba(0,0,0,.06);
}
.site-header__inner,.main-nav__inner,.hero__inner,.shell,.footer__inner,.breadcrumbs__inner{
  width:min(100% - 2rem,var(--container));
  margin:0 auto;
}
.site-header__inner{
  padding:1rem 0;
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
}
.brand{
  color:var(--color-header-text);text-decoration:none;font-weight:800;font-size:1.12rem;letter-spacing:.01em;display:inline-flex;align-items:center;gap:.8rem;min-width:0;
}
.brand__logo{width:42px;height:42px;object-fit:contain;border-radius:12px;background:rgba(255,255,255,.12);padding:.25rem;flex:0 0 auto}
.brand__text{display:flex;flex-direction:column;min-width:0}
.brand__text strong,.brand__text small{color:inherit;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand__text small{font-weight:600;opacity:.86;font-size:.83rem}
.main-nav{background:var(--color-menu, transparent)}
.main-nav ul{
  list-style:none;margin:0;padding:0;display:flex;gap:1rem;flex-wrap:wrap;align-items:center;
}
.main-nav a{
  display:inline-block;padding:.9rem 0;color:var(--color-menu-text);text-decoration:none;font-weight:700;
  position:relative;
}
.main-nav a[aria-current="page"]::after,
.main-nav a:hover::after,
.main-nav a:focus::after{
  content:"";
  position:absolute;left:0;right:0;bottom:.55rem;height:3px;border-radius:999px;
  background:color-mix(in srgb, var(--color-menu-text) 92%, transparent);
}
.hero{
  padding:4rem 0;
  color:var(--color-secondary-text, #fff);
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:auto -10% -40% auto;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,255,255,.18), rgba(255,255,255,0) 65%);
  pointer-events:none;
}
.hero h1{
  margin:0 0 .7rem;
  font-size:clamp(2.2rem,5vw,4.1rem);
  line-height:1.03;
  letter-spacing:-.02em;
}
.hero p{margin:0;max-width:72ch;font-size:1.08rem}
.hero .chip,.hero-chip,.progress-chip,.badge{
  display:inline-flex;align-items:center;gap:.4rem;
  border-radius:999px;
}
.card,.quick-card,.category-card,.module-card,.subcat-card,.skill-item{
  background:rgba(255,255,255,.96);
  border:1px solid rgba(148,163,184,.2);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover,.quick-card:hover,.category-card:hover,.module-card:hover,.subcat-card:hover,.skill-item:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.card,.quick-card,.category-card,.module-card,.subcat-card,.skill-item{padding:1.2rem}
.shell{padding:2rem 0 3rem}
.stack > * + *{margin-top:1.4rem}
.btn{
  appearance:none;border:0;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;
  gap:.5rem;padding:.9rem 1.05rem;border-radius:14px;font-weight:800;
  transition:transform var(--transition), background var(--transition), box-shadow var(--transition), opacity var(--transition);
  box-shadow:0 10px 24px rgba(239,108,0,.18);
}
.btn:hover,.btn:focus{transform:translateY(-1px)}
.muted{color:var(--color-muted)}
.badge{
  padding:.38rem .72rem;
  background:linear-gradient(180deg,#fff,#f8fafc);
  border:1px solid rgba(148,163,184,.25);
  font-size:.92rem;
  font-weight:700;
}
.module-thumb{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:16px;
  background:linear-gradient(135deg,#e5e7eb,#cbd5e1);
}
.table-wrap{
  overflow:auto;
  border-radius:18px;
}
table{width:100%;border-collapse:collapse}
th,td{padding:.9rem;border-bottom:1px solid rgba(148,163,184,.18);text-align:left;vertical-align:top}
th{background:#f8fafc}
.prose p,.prose ul,.prose ol{max-width:75ch}
.footer{background:var(--color-footer, transparent);color:var(--color-footer-text, inherit)}
.footer nav ul{
  list-style:none;padding:0;margin:.5rem 0 0;
  display:flex;gap:1rem;flex-wrap:wrap;
}
.footer nav a{ text-decoration:none; color:inherit; }
@media (max-width:980px){
  .site-header__inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:760px){
  body{font-size:16px}
  .site-header__inner,.main-nav__inner,.hero__inner,.shell,.footer__inner,.breadcrumbs__inner{
    width:min(100% - 1.1rem,var(--container));
  }
  .hero{padding:3rem 0}
  .card,.quick-card,.category-card,.module-card,.subcat-card,.skill-item{padding:1rem}
  .btn{width:100%}
  .hero-actions{display:grid !important;grid-template-columns:1fr;gap:.7rem}
  .actions{display:grid !important;grid-template-columns:1fr;gap:.7rem}
  .module-grid,.category-grid,.subcat-grid,.quick-grid,.grid.cols-4,.grid.cols-2{grid-template-columns:1fr !important}
}

.home-search-form input,
.home-search-form select{
  background:rgba(255,255,255,.96);
  color:#111;
}
@media (max-width:760px){
  .home-search-form > div{grid-template-columns:1fr !important;}
}

.hidden{display:none !important}

.site-header__meta{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}
.site-baseline,.site-context{color:var(--color-header-text)}
.nav-toggle{display:none;align-items:center;gap:.65rem;border:1px solid color-mix(in srgb, var(--color-header-text) 28%, transparent);background:color-mix(in srgb, var(--color-header-text) 12%, transparent);color:var(--color-header-text);border-radius:14px;padding:.7rem .9rem;font:inherit;font-weight:700;cursor:pointer}
.nav-toggle__icon,.nav-toggle__icon::before,.nav-toggle__icon::after{display:block;width:18px;height:2px;background:var(--color-header-text);border-radius:999px;position:relative;content:""}
.nav-toggle__icon::before{position:absolute;top:-6px;left:0}
.nav-toggle__icon::after{position:absolute;top:6px;left:0}
.site-header{background:var(--color-header);color:var(--color-header-text)}
.main-nav{background:var(--color-menu)}
.site-footer{background:var(--color-footer);color:var(--color-footer-text);margin-top:3rem}
.site-footer a{color:var(--color-footer-text)}
.footer-copy{margin:.4rem 0 0}
.site-footer .footer-copy{color:var(--color-footer-text)}
@media (max-width: 760px){
  .nav-toggle{display:inline-flex}
  .main-nav{display:none}
  .site-header.is-open .main-nav{display:block}
  .main-nav{background:var(--color-menu, transparent)}
.main-nav ul{flex-direction:column;align-items:flex-start;padding:.35rem 0 .9rem}
  .main-nav a{padding:.55rem 0;width:100%}
  .site-header__inner{flex-direction:row !important;align-items:center !important}
  .site-header__meta{display:none}
}

.share-box{display:grid;gap:.7rem;margin:1rem 0 1.2rem;padding:1rem;border:1px solid var(--color-border);border-radius:18px;background:var(--color-surface-alt)}
.share-buttons{display:flex;gap:.6rem;flex-wrap:wrap}.share-btn{appearance:none;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);padding:.7rem .9rem;border-radius:999px;text-decoration:none;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:.45rem}.share-btn:hover,.share-btn:focus{border-color:var(--color-accent);transform:translateY(-1px)}.share-icon{display:inline-flex;align-items:center;justify-content:center;width:1.2rem;height:1.2rem;font-size:1rem}
.site-footer__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
@media(max-width:760px){.site-footer__grid{grid-template-columns:1fr}.share-buttons{display:grid;grid-template-columns:1fr}}