*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --clr-deep-blue:#0a1f3d;
  --clr-bright-orange:#ff7a00;
  --clr-electric-purple:#8a2be2;
  --clr-cyber-green:#00ff87;
  --clr-deep-black:#0d0d0d;
  --clr-light-gray:#e0e0e0;
  --clr-mid-gray:#888;
  --clr-warning-red:#ff3366;
  --clr-white:#fff;
  --font-sans:'Inter','Noto Sans SC','Helvetica Neue',sans-serif;
  --font-head:'Inter','Noto Sans SC','Helvetica Neue','Segoe UI',sans-serif;
  --font-mono:'JetBrains Mono','Fira Code',monospace;
  --border-radius:6px;
  --transition:0.25s ease;
}
html{font-size:16px;scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--clr-deep-blue);
  color:var(--clr-light-gray);
  line-height:1.6;
  min-height:100vh;
  display:flex;flex-direction:column
}
#main-content{flex:1;outline:none}
a{color:var(--clr-bright-orange);text-decoration:none;transition:color var(--transition)}
a:hover,a:focus-visible{color:var(--clr-cyber-green)}
:focus-visible{outline:2px solid var(--clr-cyber-green);outline-offset:2px}
::selection{background:var(--clr-electric-purple);color:var(--clr-white)}

/* Skip link */
.skip-link{
  position:absolute;top:-1000px;left:0;z-index:9999;
  background:var(--clr-bright-orange);color:var(--clr-deep-black);
  padding:0.5rem 1rem;border-radius:0 0 var(--border-radius) 0;
  font-weight:bold;transition:top 0.2s
}
.skip-link:focus{top:0}

/* Header */
.site-header{
  background:var(--clr-deep-black);
  border-bottom:3px solid var(--clr-electric-purple);
  position:relative;z-index:100
}
.header-inner{
  max-width:1440px;margin:0 auto;padding:0 1rem;
  display:flex;align-items:center;justify-content:space-between;
  height:64px;gap:1rem
}
.site-brand{
  font-family:var(--font-head);font-size:1.25rem;font-weight:700;
  color:var(--clr-bright-orange);white-space:nowrap;
  display:flex;align-items:center;gap:0.5rem
}
.site-brand:hover,.site-brand:focus-visible{color:var(--clr-cyber-green)}
.brand-text{letter-spacing:0.02em}
.main-nav{display:flex;flex:1;justify-content:center}
.nav-list{display:flex;list-style:none;gap:0.25rem;flex-wrap:wrap}
.nav-list a{
  display:block;padding:0.5rem 0.75rem;
  color:var(--clr-light-gray);font-size:0.9rem;font-weight:500;
  border-radius:var(--border-radius);transition:background var(--transition),color var(--transition)
}
.nav-list a:hover,.nav-list a:focus-visible{background:var(--clr-electric-purple);color:var(--clr-white)}
.nav-list [aria-current="page"]{
  background:var(--clr-bright-orange);color:var(--clr-deep-black)
}
.header-actions{
  display:flex;align-items:center;gap:0.75rem
}
.search-box{display:flex}
.search-input{
  background:var(--clr-deep-blue);border:1px solid var(--clr-mid-gray);
  color:var(--clr-light-gray);padding:0.4rem 0.75rem;border-radius:var(--border-radius);
  font-size:0.875rem;width:180px;transition:border-color var(--transition)
}
.search-input::placeholder{color:var(--clr-mid-gray)}
.search-input:focus{border-color:var(--clr-bright-orange);outline:none}
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;
  padding:0.25rem;width:36px;height:36px;flex-direction:column;justify-content:center;gap:4px
}
.toggle-bar{
  display:block;width:100%;height:3px;background:var(--clr-light-gray);
  border-radius:2px;transition:transform var(--transition),opacity var(--transition)
}
/* Mobile nav */
@media (max-width:1024px){
  .main-nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;
    background:var(--clr-deep-black);
    display:flex;align-items:center;justify-content:center;
    transform:translateY(-110%);transition:transform 0.3s ease;
    z-index:99
  }
  .main-nav[data-open]{transform:translateY(0)}
  .nav-list{flex-direction:column;align-items:center;gap:0.75rem}
  .nav-list a{font-size:1.2rem;padding:1rem 2rem}
  .nav-toggle{display:flex}
  .header-actions{order:-1;flex:1;justify-content:flex-end}
  .search-box{display:none}
  .main-nav[data-open] + .header-actions .search-box{display:block;position:absolute;top:64px;left:0;right:0;padding:1rem;background:var(--clr-deep-black)}
  .search-input{width:100%}
}
/* Tablet */
@media (min-width:768px) and (max-width:1024px){
  .search-input{width:140px}
}
/* Desktop */
@media (min-width:1025px){
  .search-box{display:flex}
  .nav-toggle{display:none}
}

/* Footer */
.site-footer{
  background:var(--clr-deep-black);
  border-top:3px solid var(--clr-electric-purple);
  padding:2rem 1rem 1rem;margin-top:auto
}
.footer-inner{
  max-width:1440px;margin:0 auto;
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:2rem
}
.footer-brand .site-brand{font-size:1.1rem}
.footer-slogan{color:var(--clr-mid-gray);font-size:0.875rem;margin-top:0.5rem}
.footer-nav{display:flex;flex-direction:column;gap:0.5rem}
.footer-nav a{color:var(--clr-light-gray);font-size:0.9rem}
.footer-nav a:hover{color:var(--clr-bright-orange)}
.footer-contact p{font-size:0.875rem;color:var(--clr-mid-gray);margin-bottom:0.25rem}
.footer-contact a{color:var(--clr-bright-orange)}
.footer-bottom{
  grid-column:1 / -1;display:flex;justify-content:space-between;
  border-top:1px solid var(--clr-mid-gray);padding-top:1rem;margin-top:1rem;
  font-size:0.8rem;color:var(--clr-mid-gray)
}
@media (max-width:768px){
  .footer-inner{grid-template-columns:1fr;gap:1.5rem;text-align:center}
  .footer-nav{align-items:center}
  .footer-bottom{flex-direction:column;align-items:center;gap:0.5rem}
}

/* Utility components */
.container{max-width:1440px;margin:0 auto;padding:0 1rem}
.btn{
  display:inline-block;padding:0.6rem 1.5rem;
  background:var(--clr-bright-orange);color:var(--clr-deep-black);
  font-weight:600;border-radius:var(--border-radius);
  border:2px solid transparent;cursor:pointer;
  transition:transform var(--transition),box-shadow var(--transition)
}
.btn:hover,.btn:focus-visible{
  transform:scale(1.03);box-shadow:0 0 0 3px var(--clr-cyber-green)
}
.btn-secondary{
  background:transparent;border-color:var(--clr-bright-orange);
  color:var(--clr-bright-orange)
}
.btn-secondary:hover{background:var(--clr-bright-orange);color:var(--clr-deep-black)}
.breadcrumb{
  display:flex;gap:0.5rem;align-items:center;
  padding:0.75rem 0;font-size:0.875rem;color:var(--clr-mid-gray)
}
.breadcrumb a{color:var(--clr-mid-gray)}
.breadcrumb a:hover{color:var(--clr-bright-orange)}
.breadcrumb [aria-current="page"]{color:var(--clr-light-gray)}
.grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:1.5rem
}
.card{
  background:rgba(10,31,61,0.8);
  border:1px solid var(--clr-electric-purple);
  border-radius:var(--border-radius);
  padding:1.25rem;transition:transform 0.2s,box-shadow 0.2s
}
.card:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(0,0,0,0.4)}

/* Scroll progress bar (added by JS) */
#scroll-progress{
  position:fixed;top:0;left:0;height:4px;
  background:linear-gradient(90deg,var(--clr-bright-orange),var(--clr-cyber-green));
  z-index:9999;width:0;transition:width 0.1s linear;
  pointer-events:none
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:0s!important;animation-duration:0s!important}
  #scroll-progress{transition:width 0.1s}
}

/* Responsive typography */
h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;line-height:1.2}
h1{font-size:2.5rem}
h2{font-size:2rem}
h3{font-size:1.5rem}
p{margin-bottom:1rem}
img{max-width:100%;height:auto;display:block}
/* Image container base for responsive images */
.img-wrapper{position:relative;overflow:hidden;background:var(--clr-deep-black)}
.img-wrapper img{width:100%;height:100%;object-fit:cover}