.site-header {
  padding: 8px 0;
  background:
  radial-gradient(250px 180px at 25% 80%, rgba(255,255,255,0.06), transparent 70%),
  rgba(5, 16, 29, 0.5);
  backdrop-filter: blur(6px) saturate(1.2);
  -webkit-backdrop-filter: blur(6px) saturate(1.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:80px}
.brand{display:flex;align-items:center;text-decoration: none;color:var(--primary)}
.brand-name {
  display:inline-block;
  font-family:'Oswald', sans-serif;
  font-weight:400;
  font-size:30px;
  letter-spacing:0.75px;
  color:var(--primary);
}
.nav-mobile {
  display:none;
  flex-direction:column;
  border-bottom:1px solid var(--border);
}
.nav-mobile:not([hidden]){display:flex}
.nav-mobile a { padding: 8px 6px; border-radius: 10px; }
.nav-mobile a {
  color: rgba(var(--accentrgb), 0.8);
  text-decoration: none;
}
.nav-mobile a:hover {
  color: var(--primary);
}
@media (max-width: 859px) {
  .header-inner {
    position: relative;
    justify-content: center;
    min-height: 80px;
  }
  .nav-desktop {
    display: none !important;
  }
  .nav-toggle {
    background:transparent;
    position:absolute;
    margin:0;
    color: var(--accent);
    font-size:30px;
    z-index:3;
  }
  .brand {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }
  .brand-name {
    text-align: center;
    font-size:40px;
  }
}
@media (min-width: 860px) {
  .nav-mobile {display: none !important;}
  .nav-toggle {display: none;}
  .site-header .header-inner {padding:0;}
  .brand-name {font-size:40px;letter-spacing:0.8px;}
  .nav-desktop {display:flex;gap:28px;align-items:center;}
  .nav-desktop a {
    font-size:20px;
    font-weight:500;
    letter-spacing:0.05em;
    text-transform:uppercase;
    padding:6px 10px;
    border-radius:10px;
  }
  .nav-desktop a {color: rgba(var(--accentrgb), 0.8);text-decoration:none;}
  .nav-desktop a:hover {color: var(--accent);text-decoration:none;}
}
.card{
  border:none;
  border-radius:var(--radius);
  padding:var(--space-4);
  background: rgba(248,249,251,0.05);
  box-shadow:0 8px 24px rgba(0,0,0,0.18), 0 2px 8px rgba(0,0,0,0.16);
  transition: box-shadow .25s ease, transform .25s ease, background .25s ease;
}
.btn {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 12px;
  font-weight: 600;
  font-size: 16px;
  padding: 10px 16px;
  display: inline-block;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn:hover {
  background: rgba(var(--primaryrgb), 0.1);
  color: var(--accent);
  text-decoration: none;
}
.text-link {color: var(--muted); font-weight:600; text-decoration: none}
.text-link:hover {
  color: var(--accent);
  text-decoration: none
}
.prose {
  background: rgba(248,249,251,0.2);
  box-shadow: 0 8px 24px rgba(0,0,0,0.18), 0 2px 8px rgba(0,0,0,0.16);
  transition: box-shadow .25s ease, transform .25s ease, background .25s ease;
  padding: var(--space-4);
  border-radius: var(--radius);
}
.prose h1,.prose h2,.prose h3{line-height:1.25}
.prose h1{font-size:clamp(28px,3vw,36px)}
.prose h2{font-size:clamp(22px,2.2vw,28px)}
.prose p{color:var(--fg)}
.prose a{font-weight:600;text-decoration: none}
.site-footer {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: var(--space-3) 0;
  background:
    radial-gradient(200px 160px at 80% 30%, rgba(255,255,255,0.06), transparent 70%),
    rgba(10, 24, 40, 0.5);
  backdrop-filter: blur(6px) saturate(1.2);
  -webkit-backdrop-filter: blur(6px) saturate(1.2);
  color: rgba(var(--accentrgb), 0.88);
}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap: nowrap;}
.footer-icons{display:flex;align-items:center;gap:14px;}
.icon{width:22px;height:22px;display:block;}
.icon-link{
  color: rgba(var(--accentrgb), 0.88);
  opacity:.95;
  transition: transform .2s ease, opacity .2s ease, color .2s ease;
}
.icon-link:hover{
  opacity:1;
  transform: translateY(-1px);
  color: rgba(var(--accentrgb), 1);
}
.icon-link:focus-visible{
  outline:2px solid var(--accent, #F4A300);
  outline-offset:3px;
  border-radius:8px;
}
.text-link,
.btn {
  transform: scaleY(0.9);
  display: block;
  transform-origin: center;
  -webkit-font-smoothing: antialiased;
}
.nav-mobile a {
  transform: scaleY(0.85);
  display: block;
  transform-origin: center;
  -webkit-font-smoothing: antialiased;
}
@media (min-width: 860px) {
  .text-link,
  .btn {
    transform: scaleY(0.85);
    display: block;
    transform-origin: center;
    flex-wrap: nowrap;
    -webkit-font-smoothing: antialiased;
  }
  .nav-desktop a {
    transform: scaleY(0.75);
    display: block;
    transform-origin: center;
    flex-wrap: nowrap;
    -webkit-font-smoothing: antialiased;
  }
}