/* ===== Reset & Variables ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Noto Serif SC','Georgia',serif;font-size:1rem;line-height:1.6;color:#FFFFFF;background:#1A1A2E;display:flex;flex-wrap:wrap;min-height:100vh}

:root{
  --primary:#4A0080;
  --secondary:#FFD700;
  --accent1:#00E5FF;
  --accent2:#7FFF00;
  --neutral-dark:#1A1A2E;
  --neutral-light:#F5F0FF;
  --text-primary:#FFFFFF;
  --text-secondary:#B0B0B0;
  --gradient-main:linear-gradient(135deg,#4A0080,#FFD700);
  --gradient-alt:linear-gradient(45deg,#00E5FF,#7FFF00);
  --font-heading:'Futura PT','Segoe UI',sans-serif;
  --font-body:'Noto Serif SC','Georgia',serif;
  --font-mono:'Courier Prime','Source Code Pro',monospace;
  --border-thick:4px;
  --shadow-heavy:0 12px 40px rgba(0,0,0,0.6);
  --header-width:260px;
  --transition-speed:0.35s;
  --z-header:100;
  --z-overlay:90;
  --z-nav:95;
}

/* ===== Typography ===== */
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;letter-spacing:2px;line-height:1.2;color:var(--text-primary)}
h1{font-size:3rem} h2{font-size:2.25rem} h3{font-size:1.75rem} h4{font-size:1.25rem}
p,li,blockquote{font-family:var(--font-body);font-size:1rem;line-height:1.6;color:var(--text-primary)}
small,.text-small{font-family:var(--font-mono);font-size:0.875rem;color:var(--text-secondary)}
code,.mono{font-family:var(--font-mono);font-size:0.875rem}
a{color:var(--secondary);text-decoration:none;transition:color var(--transition-speed) ease}
a:hover{color:var(--accent1)}
:focus-visible{outline:2px solid var(--accent1);outline-offset:2px}

/* ===== Skip Link ===== */
.skip-link{position:absolute;top:-100%;left:1rem;padding:0.5rem 1rem;background:var(--secondary);color:var(--neutral-dark);font-family:var(--font-mono);font-size:0.875rem;z-index:200;transition:top 0.2s;border-radius:0 0 4px 4px}
.skip-link:focus{top:0}

/* ===== Header ===== */
.site-header{
  background:var(--primary);
  border-right:var(--border-thick) solid var(--secondary);
  width:100%;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  padding:1rem 1.5rem;
  position:relative;
  z-index:var(--z-header);
  box-shadow:var(--shadow-heavy);
}
.header-brand{flex-shrink:0}
.brand-link{display:flex;align-items:center;gap:0.5rem;color:var(--secondary);font-family:var(--font-heading);font-size:1.5rem;font-weight:700;letter-spacing:2px}
.brand-link:hover{color:var(--secondary);text-shadow:0 0 20px rgba(255,215,0,0.4)}
.brand-icon{font-size:1.8rem;line-height:1;filter:drop-shadow(0 0 8px rgba(255,215,0,0.3))}
.brand-name{background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-track{display:none}
.nav-toggle{display:flex;flex-direction:column;gap:5px;background:transparent;border:2px solid var(--secondary);padding:0.5rem;cursor:pointer;border-radius:4px;transition:border-color var(--transition-speed)}
.nav-toggle:hover{border-color:var(--accent1)}
.toggle-line{display:block;width:24px;height:2px;background:var(--secondary);transition:all var(--transition-speed);border-radius:1px}
.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.header-actions{display:flex;align-items:center;gap:1rem}
.header-phone{font-family:var(--font-mono);color:var(--secondary);font-size:0.875rem;display:none}

/* ===== Navigation (Desktop Sidebar) ===== */
@media(min-width:1024px){
  body{flex-wrap:nowrap}
  .site-header{
    width:var(--header-width);
    height:100vh;
    position:sticky;
    top:0;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    padding:2rem 1.5rem;
    border-right:var(--border-thick) solid var(--secondary);
    border-bottom:none;
    flex-shrink:0;
  }
  .header-brand{margin-bottom:3rem}
  .brand-link{font-size:1.8rem}
  .nav-track{
    display:flex;
    position:relative;
    flex:1;
    margin:1rem 0;
  }
  .nav-rail{
    position:absolute;
    left:10px;
    top:0;
    bottom:0;
    width:2px;
    background:linear-gradient(to bottom,var(--secondary),var(--accent1),var(--accent2));
    opacity:0.4;
    border-radius:1px;
  }
  .nav-list{
    list-style:none;
    display:flex;
    flex-direction:column;
    gap:1.2rem;
    width:100%;
    position:relative;
    z-index:1;
  }
  .nav-item{margin:0;padding:0}
  .nav-link{
    display:flex;
    align-items:center;
    gap:0.75rem;
    font-family:var(--font-heading);
    font-size:0.95rem;
    font-weight:600;
    letter-spacing:1px;
    color:var(--text-primary);
    padding:0.4rem 0 0.4rem 1.8rem;
    transition:all var(--transition-speed);
    position:relative;
  }
  .nav-link:hover{color:var(--secondary);transform:translateX(4px)}
  .nav-node{
    position:absolute;
    left:4px;
    width:12px;
    height:12px;
    border-radius:50%;
    background:var(--primary);
    border:2px solid var(--secondary);
    transition:all var(--transition-speed);
  }
  .nav-link:hover .nav-node{background:var(--secondary);box-shadow:0 0 16px var(--secondary)}
  .nav-link[aria-current="page"]{color:var(--secondary);font-weight:700}
  .nav-link[aria-current="page"] .nav-node{
    background:var(--secondary);
    width:16px;
    height:16px;
    left:2px;
    box-shadow:0 0 20px var(--secondary),0 0 40px rgba(255,215,0,0.3);
    border-color:var(--accent1);
  }
  .header-actions{flex-direction:column;align-items:stretch;gap:0.8rem;margin-top:auto;padding-top:1.5rem;border-top:1px solid rgba(255,215,0,0.2)}
  .header-phone{display:block;text-align:center}
  .nav-toggle{display:none}
}

/* ===== Mobile Navigation Drawer ===== */
@media(max-width:1023px){
  .nav-track{
    position:fixed;
    top:0;
    left:0;
    width:280px;
    height:100vh;
    background:var(--primary);
    border-right:var(--border-thick) solid var(--secondary);
    padding:4rem 1.5rem 2rem;
    transform:translateX(-100%);
    transition:transform var(--transition-speed) cubic-bezier(0.22,1,0.36,1);
    z-index:var(--z-nav);
    display:block;
    overflow-y:auto;
    box-shadow:var(--shadow-heavy);
  }
  .nav-track[data-open]{transform:translateX(0)}
  .nav-rail{display:none}
  .nav-list{list-style:none;display:flex;flex-direction:column;gap:0.8rem}
  .nav-item{margin:0}
  .nav-link{
    display:flex;
    align-items:center;
    gap:0.75rem;
    font-family:var(--font-heading);
    font-size:1rem;
    font-weight:600;
    letter-spacing:1px;
    color:var(--text-primary);
    padding:0.6rem 0.8rem;
    border-radius:4px;
    transition:all var(--transition-speed);
  }
  .nav-link:hover{background:rgba(255,215,0,0.1);color:var(--secondary)}
  .nav-node{width:10px;height:10px;border-radius:50%;background:transparent;border:2px solid var(--secondary);flex-shrink:0;transition:all var(--transition-speed)}
  .nav-link:hover .nav-node{background:var(--secondary)}
  .nav-link[aria-current="page"]{color:var(--secondary);background:rgba(255,215,0,0.08)}
  .nav-link[aria-current="page"] .nav-node{background:var(--secondary);box-shadow:0 0 12px var(--secondary)}
  .header-actions .btn-cta{font-size:0.85rem;padding:0.4rem 1rem}
  .header-phone{display:none}
}
@media(max-width:1023px)and (prefers-reduced-motion:reduce){
  .nav-track{transition:none}
}

/* ===== Overlay when mobile nav open ===== */
body.nav-open::after{
  content:'';
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.6);
  z-index:var(--z-overlay);
  pointer-events:auto;
}
@media(min-width:1024px){body.nav-open::after{display:none}}

/* ===== Buttons ===== */
.btn,.btn-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-heading);
  font-weight:700;
  font-size:0.9rem;
  letter-spacing:1px;
  padding:0.65rem 1.5rem;
  border:2px solid var(--secondary);
  border-radius:4px;
  cursor:pointer;
  transition:all var(--transition-speed);
  text-transform:uppercase;
}
.btn-cta{
  background:var(--gradient-main);
  color:var(--text-primary);
  border-color:var(--secondary);
  box-shadow:0 0 20px rgba(255,215,0,0.15);
}
.btn-cta:hover{
  background:var(--gradient-alt);
  border-color:var(--accent1);
  box-shadow:0 0 30px rgba(0,229,255,0.3);
  transform:translateY(-2px);
  color:var(--neutral-dark);
}
.btn{
  background:transparent;
  color:var(--secondary);
}
.btn:hover{background:var(--secondary);color:var(--neutral-dark)}

/* ===== Container ===== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem}
@media(min-width:1024px){.container{padding:0 2rem}}

/* ===== Breadcrumb ===== */
.breadcrumb{display:flex;flex-wrap:wrap;gap:0.4rem 0.8rem;padding:1rem 0;font-family:var(--font-mono);font-size:0.85rem;color:var(--text-secondary)}
.breadcrumb a{color:var(--secondary);font-weight:600}
.breadcrumb a:hover{color:var(--accent1)}
.breadcrumb .current{color:var(--accent1);font-weight:700}
.breadcrumb .sep{color:var(--text-secondary);font-size:0.75rem}

/* ===== Section Panel ===== */
.section{
  background:var(--primary);
  border:var(--border-thick) solid rgba(255,215,0,0.25);
  border-radius:0;
  padding:3rem 2rem;
  margin-bottom:2rem;
  box-shadow:var(--shadow-heavy);
  position:relative;
}
.section.golden-edge{border-color:var(--secondary);box-shadow:0 0 30px rgba(255,215,0,0.08)}
@media(min-width:768px){.section{padding:4rem 3rem}}

/* ===== Card ===== */
.card{
  background:var(--neutral-dark);
  border:var(--border-thick) solid rgba(255,215,0,0.2);
  padding:1.5rem;
  box-shadow:0 8px 24px rgba(0,0,0,0.4);
  transition:all var(--transition-speed);
}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,0.6);border-color:var(--secondary)}
.card-title{font-family:var(--font-heading);font-size:1.2rem;font-weight:700;color:var(--secondary);margin-bottom:0.6rem}
.card-body{font-family:var(--font-body);color:var(--text-secondary);line-height:1.5}

/* ===== Golden Edge Decorator ===== */
.golden-edge{position:relative}
.golden-edge::before{content:'';position:absolute;top:0;left:0;width:100%;height:var(--border-thick);background:var(--gradient-main)}
.golden-edge::after{content:'';position:absolute;bottom:0;right:0;width:100%;height:var(--border-thick);background:var(--gradient-main)}

/* ===== Neon Glow ===== */
.neon-glow{box-shadow:0 0 20px rgba(0,229,255,0.15),0 0 40px rgba(0,229,255,0.08);border-color:var(--accent1)}

/* ===== Page Title ===== */
.page-title{
  font-family:var(--font-heading);
  font-size:2.5rem;
  font-weight:700;
  letter-spacing:2px;
  color:var(--secondary);
  position:relative;
  padding-bottom:0.8rem;
  margin-bottom:1.5rem;
}
.page-title::after{content:'';position:absolute;bottom:0;left:0;width:80px;height:3px;background:var(--gradient-alt)}
@media(min-width:768px){.page-title{font-size:3rem}}

/* ===== Footer ===== */
.site-footer{
  width:100%;
  background:var(--neutral-dark);
  border-top:var(--border-thick) solid var(--secondary);
  padding:2.5rem 1.5rem;
  margin-top:auto;
  box-shadow:0 -8px 24px rgba(0,0,0,0.4);
}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr;gap:1.5rem}
.footer-brand{display:flex;align-items:center;gap:0.6rem}
.footer-icon{font-size:2rem;color:var(--secondary);filter:drop-shadow(0 0 8px rgba(255,215,0,0.3))}
.footer-name{font-family:var(--font-heading);font-size:1.5rem;font-weight:700;letter-spacing:2px;background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.footer-nav{display:flex;flex-wrap:wrap;gap:1.5rem}
.footer-link{font-family:var(--font-heading);font-size:0.9rem;font-weight:600;letter-spacing:1px;color:var(--text-secondary);position:relative;padding-bottom:2px}
.footer-link:hover{color:var(--secondary)}
.footer-link::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--secondary);transition:width var(--transition-speed)}
.footer-link:hover::after{width:100%}
.footer-contact{display:flex;flex-direction:column;gap:0.3rem;font-family:var(--font-mono);font-size:0.85rem;color:var(--text-secondary)}
.contact-item{display:flex;align-items:center;gap:0.4rem}
.footer-meta{display:flex;flex-wrap:wrap;gap:1rem;padding-top:1.2rem;border-top:1px solid rgba(255,215,0,0.15);font-family:var(--font-mono);font-size:0.8rem;color:var(--text-secondary)}
.copyright{color:var(--text-secondary)}
.icp{color:var(--text-secondary)}
.icp::before{content:'|';margin-right:1rem;color:rgba(255,215,0,0.2)}
@media(min-width:600px){
  .footer-inner{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .footer-meta{grid-column:1/-1}
}
@media(min-width:1024px){
  .footer-inner{grid-template-columns:auto 1fr auto;align-items:start;gap:3rem}
  .footer-brand{grid-column:1}
  .footer-nav{grid-column:2;justify-content:center}
  .footer-contact{grid-column:3;text-align:right}
  .footer-meta{grid-column:1/-1;justify-content:space-between}
}

/* ===== Main Content Area ===== */
.main-content{width:100%;padding:2rem 1.5rem;flex:1;background:var(--neutral-light);color:#1A1A2E;min-height:60vh}
.main-content p,.main-content li,.main-content blockquote{color:#1A1A2E}
.main-content .text-small,.main-content small,.main-content .mono{color:#555}
.main-content h1,.main-content h2,.main-content h3,.main-content h4{color:var(--primary)}
@media(min-width:1024px){
  .main-content{width:calc(100% - var(--header-width));padding:3rem 2.5rem}
}

/* ===== Grid Utilities ===== */
.grid-2{display:grid;grid-template-columns:1fr;gap:1.5rem}
.grid-3{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:600px){
  .grid-2{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:1fr 1fr}
}
@media(min-width:1024px){
  .grid-3{grid-template-columns:1fr 1fr 1fr}
}

/* ===== Image Placeholder Base ===== */
.img-placeholder{display:flex;align-items:center;justify-content:center;background:var(--primary);border:2px solid var(--secondary);color:var(--text-secondary);font-family:var(--font-mono);font-size:0.85rem;min-height:200px;width:100%;position:relative;overflow:hidden}
.img-placeholder::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,transparent 40%,rgba(255,215,0,0.08) 50%,transparent 60%);pointer-events:none}

/* ===== Scroll Reveal Base ===== */
[data-reveal]{opacity:0;transform:translateY(30px);transition:opacity 0.6s ease,transform 0.6s ease}
[data-reveal].revealed{opacity:1;transform:translateY(0)}
[data-reveal="fade"]{transform:none}
[data-reveal="left"]{transform:translateX(-30px)}
[data-reveal="left"].revealed{transform:translateX(0)}
[data-reveal="right"]{transform:translateX(30px)}
[data-reveal="right"].revealed{transform:translateX(0)}
@media(prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;transition:none}
}

/* ===== Accessibility ===== */
@media(prefers-reduced-motion:reduce){
  *,.nav-track,.nav-link,.btn-cta,.card,.nav-toggle .toggle-line{transition:none!important;transform:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* ===== Responsive Fine-tune ===== */
@media(max-width:400px){
  .site-header{padding:0.8rem 1rem}
  .brand-link{font-size:1.2rem}
  .brand-icon{font-size:1.4rem}
  .header-actions .btn-cta{font-size:0.75rem;padding:0.3rem 0.8rem}
  .nav-link{font-size:0.9rem}
}

/* ===== Utility ===== */
.text-center{text-align:center}
.text-gold{color:var(--secondary)}
.text-neon{color:var(--accent1)}
.mt-1{margin-top:1rem}
.mt-2{margin-top:2rem}
.mb-1{margin-bottom:1rem}
.mb-2{margin-bottom:2rem}
.p-1{padding:1rem}
.p-2{padding:2rem}