:root{
  --navy-800:#0A1B2A;
  --navy-600:#16314F;
  --navy-400:#254E70;
  --green-neon:#39FF14;
  --purple-plasma:#B537F2;
  --text-light:#E8F0FE;
  --text-muted:#8FA8C0;
  --card-glass:rgba(20,40,60,0.8);
  --gradient-green:linear-gradient(135deg,#39FF14,#00BFFF);
  --gradient-purple:linear-gradient(135deg,#B537F2,#FF007F);
  --font-head:"Noto Sans SC","Inter",sans-serif;
  --font-data:"Roboto Mono","JetBrains Mono",monospace;
  --font-body:"Noto Sans SC",system-ui,sans-serif;
  --line-thin:1px solid rgba(37,78,112,0.5);
  --shadow-card:0 10px 30px rgba(0,0,0,0.35);
  --shadow-glow-green:0 0 18px rgba(57,255,20,0.35);
  --shadow-glow-purple:0 0 18px rgba(181,55,242,0.35);
  --rounded:6px;
  --gap:24px;
  --header-h:72px;
  --container-w:1200px;
  --ease:cubic-bezier(.25,.46,.45,.94);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--navy-800);
  color:var(--text-light);
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.7;
  min-height:100vh;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
input,textarea,select{font:inherit;}
:focus-visible{outline:2px solid var(--green-neon);outline-offset:3px;border-radius:2px;}
.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important;}
.site-container{
  width:min(100% - 40px,var(--container-w));
  margin-inline:auto;
}
.skip-link{
  position:fixed;
  top:-100%;
  left:16px;
  z-index:2000;
  background:var(--green-neon);
  color:var(--navy-800);
  font-weight:800;
  padding:10px 20px;
  border-radius:var(--rounded);
  transition:top .3s var(--ease);
}
.skip-link:focus{top:16px;}
#main-content{scroll-margin-top:100px;}

/* ===== Header ===== */
.header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(10,27,42,0.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:var(--line-thin);
}
.header-topbar{
  border-bottom:var(--line-thin);
  background:rgba(22,49,79,0.6);
  font-size:0.75rem;
  letter-spacing:0.08em;
  font-family:var(--font-data);
  color:var(--text-muted);
}
.header-topbar-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  min-height:30px;
  gap:16px;
}
.topbar-signal{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--text-light);
}
.signal-dot{
  width:6px;
  height:6px;
  border-radius:2px;
  background:var(--green-neon);
  box-shadow:var(--shadow-glow-green);
  display:inline-block;
  animation:signalPulse 2.4s infinite alternate;
}
@keyframes signalPulse{
  0%{opacity:.45;transform:scale(.8);}
  100%{opacity:1;transform:scale(1.15);}
}
.topbar-stats{
  font-family:var(--font-data);
  color:var(--text-muted);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:var(--header-h);
  position:relative;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
  position:relative;
  z-index:2;
}
.brand-mark{
  width:14px;
  height:14px;
  background:var(--green-neon);
  transform:skewX(-12deg);
  box-shadow:0 0 12px rgba(57,255,20,0.5);
  border-radius:2px;
  flex-shrink:0;
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.1;
}
.brand-text strong{
  font-family:var(--font-head);
  font-weight:800;
  font-size:1.4rem;
  letter-spacing:0.04em;
}
.brand-text small{
  font-family:var(--font-data);
  font-size:0.6rem;
  color:var(--purple-plasma);
  letter-spacing:0.34em;
  margin-top:3px;
}
.nav{
  display:flex;
  align-items:center;
  gap:24px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-link{
  font-size:0.95rem;
  font-weight:500;
  color:var(--text-muted);
  padding:8px 12px;
  border-radius:999px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
  position:relative;
}
.nav-link::before{
  content:"";
  width:4px;
  height:4px;
  background:transparent;
  border-radius:50%;
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-link:hover{
  color:var(--text-light);
  background:rgba(57,255,20,0.08);
  box-shadow:inset 0 0 0 1px rgba(57,255,20,0.25);
}
.nav-link:hover::before{
  background:var(--green-neon);
  box-shadow:var(--shadow-glow-green);
}
.nav-link[aria-current="page"]{
  color:var(--green-neon);
  background:rgba(57,255,20,0.08);
  box-shadow:inset 0 0 0 1px rgba(57,255,20,0.35);
  font-weight:700;
}
.nav-link[aria-current="page"]::before{
  background:var(--green-neon);
  box-shadow:var(--shadow-glow-green);
}
.header-cta{
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  position:relative;
  z-index:2;
  width:44px;
  height:44px;
  border:1px solid rgba(57,255,20,0.3);
  border-radius:var(--rounded);
  background:rgba(22,49,79,0.6);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.toggle-line{
  width:20px;
  height:2px;
  background:var(--text-light);
  border-radius:2px;
  transition:transform .3s var(--ease),opacity .3s var(--ease),background .3s var(--ease);
}
.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(1){
  transform:translateY(7px) rotate(45deg);
  background:var(--green-neon);
}
.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);
  background:var(--green-neon);
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-family:var(--font-head);
  font-weight:700;
  font-size:0.92rem;
  padding:11px 22px;
  border-radius:2px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  position:relative;
  white-space:nowrap;
}
.btn::after{
  content:"";
  position:absolute;
  top:5px;
  right:5px;
  width:8px;
  height:8px;
  border-top:2px solid currentColor;
  border-right:2px solid currentColor;
  opacity:0.5;
  transition:opacity .2s var(--ease);
}
.btn-primary{
  background:var(--gradient-green);
  color:var(--navy-800);
  box-shadow:0 0 0 1px rgba(57,255,20,0.3),var(--shadow-glow-green);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(181,55,242,0.5),var(--shadow-glow-purple);
  color:var(--navy-800);
}
.btn-ghost{
  background:transparent;
  color:var(--text-light);
  border-color:var(--navy-400);
}
.btn-ghost:hover{
  border-color:var(--purple-plasma);
  background:rgba(181,55,242,0.1);
  box-shadow:var(--shadow-glow-purple);
  transform:translateY(-2px);
}

/* ===== Layout primitives ===== */
.section{
  padding:72px 0;
  position:relative;
}
.container-narrow{
  width:min(100% - 40px,760px);
  margin-inline:auto;
}
.section-heading{
  font-family:var(--font-head);
  font-weight:800;
  font-size:2.1rem;
  line-height:1.2;
  display:flex;
  align-items:baseline;
  gap:16px;
  margin-bottom:32px;
}
.section-heading::before{
  content:"//";
  font-family:var(--font-data);
  color:var(--purple-plasma);
  font-size:1.4rem;
  font-weight:500;
  transform:skewX(-12deg);
}
.section-heading small{
  display:block;
  font-family:var(--font-data);
  font-weight:400;
  font-size:0.72rem;
  color:var(--text-muted);
  letter-spacing:0.18em;
  text-transform:uppercase;
}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-data);
  font-size:0.75rem;
  letter-spacing:0.08em;
  color:var(--purple-plasma);
  border:1px solid rgba(181,55,242,0.4);
  border-radius:999px;
  padding:5px 14px;
  background:rgba(181,55,242,0.08);
}
.tag::before{
  content:"◆";
  font-size:0.6em;
  color:var(--green-neon);
}
.rule{
  height:1px;
  background:linear-gradient(90deg,transparent,var(--navy-400),var(--purple-plasma),transparent);
  border:none;
  margin:48px 0;
}

/* ===== Image frames ===== */
.image-frame{
  position:relative;
  border-radius:var(--rounded);
  overflow:hidden;
  background:linear-gradient(135deg,rgba(22,49,79,0.9),rgba(10,27,42,0.9)),repeating-linear-gradient(45deg,transparent 0 12px,rgba(181,55,242,0.06) 12px 13px);
  border:var(--line-thin);
  min-height:200px;
}
.image-frame::after{
  content:attr(data-image-label);
  position:absolute;
  bottom:10px;
  left:12px;
  font-family:var(--font-data);
  font-size:0.7rem;
  letter-spacing:0.12em;
  color:var(--text-muted);
  background:rgba(10,27,42,0.7);
  padding:4px 10px;
  border-radius:3px;
  border-left:2px solid var(--purple-plasma);
}
.image-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.image-frame-landscape{aspect-ratio:16/9;}
.image-frame-portrait{aspect-ratio:4/5;}
.image-frame-square{aspect-ratio:1/1;}
.image-frame-full{aspect-ratio:21/9;}

/* ===== Footer ===== */
.footer{
  position:relative;
  background:linear-gradient(180deg,var(--navy-800) 0%,#060F19 100%);
  border-top:1px solid rgba(181,55,242,0.25);
  margin-top:80px;
}
.footer::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  width:100%;
  height:2px;
  background:linear-gradient(90deg,var(--green-neon) 0%,transparent 30%,var(--purple-plasma) 70%,transparent 100%);
  opacity:0.6;
}
.footer-data{
  border-bottom:var(--line-thin);
  background:rgba(22,49,79,0.35);
}
.footer-data-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  font-family:var(--font-data);
  font-size:0.7rem;
  letter-spacing:0.14em;
  color:var(--text-muted);
  padding:12px 0;
}
.footer-data-item{
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.footer-data-item::before{
  content:"//";
  color:var(--purple-plasma);
}
.footer-data-item:first-child::before{
  content:"◇";
  color:var(--green-neon);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 0.8fr 0.8fr 1.2fr;
  gap:40px;
  padding:52px 0 44px;
}
.footer-about{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.footer-desc{
  color:var(--text-muted);
  font-size:0.92rem;
  line-height:1.8;
  max-width:320px;
  border-left:2px solid rgba(57,255,20,0.5);
  padding-left:16px;
}
.footer-heading{
  font-family:var(--font-head);
  font-weight:700;
  font-size:1rem;
  letter-spacing:0.06em;
  color:var(--text-light);
  margin-bottom:18px;
  display:flex;
  align-items:center;
  gap:10px;
}
.footer-heading::before{
  content:"//";
  font-family:var(--font-data);
  color:var(--purple-plasma);
  font-size:0.9rem;
}
.footer-list{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-link{
  color:var(--text-muted);
  font-size:0.93rem;
  transition:color .2s var(--ease),padding-left .2s var(--ease),text-shadow .2s var(--ease);
  position:relative;
  padding-left:0;
}
.footer-link:hover{
  color:var(--text-light);
  padding-left:14px;
  text-shadow:0 0 14px rgba(57,255,20,0.4);
}
.footer-link:hover::before{
  content:"→";
  position:absolute;
  left:0;
  color:var(--green-neon);
  font-family:var(--font-data);
}
.footer-link-lite{
  border-bottom:1px dashed rgba(143,168,192,0.3);
  text-decoration:none;
}
.footer-link-lite:hover{
  border-bottom-color:var(--purple-plasma);
  padding-left:14px;
  color:var(--text-light);
}
.footer-contact-list{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.contact-label{
  display:block;
  font-family:var(--font-data);
  font-size:0.65rem;
  letter-spacing:0.16em;
  color:var(--text-muted);
  text-transform:uppercase;
  margin-bottom:2px;
}
.contact-address{
  color:var(--text-muted);
  font-size:0.93rem;
}
.footer-bottom{
  border-top:var(--line-thin);
  background:rgba(10,27,42,0.8);
}
.footer-bottom-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:18px 0;
  font-family:var(--font-data);
  font-size:0.72rem;
  color:var(--text-muted);
}
.footer-copy,.footer-icp{
  font-family:var(--font-data);
}
.footer-legal{
  display:flex;
  gap:20px;
}
.footer-legal .footer-link{
  font-family:var(--font-data);
  font-size:0.72rem;
  padding-left:0;
}
.footer-legal .footer-link:hover{
  padding-left:14px;
}

/* ===== Scroll progress ===== */
[data-scroll-progress]{
  position:fixed;
  top:0;
  left:0;
  height:3px;
  width:0%;
  background:linear-gradient(90deg,var(--green-neon),var(--purple-plasma));
  z-index:5000;
  pointer-events:none;
  transition:width 80ms linear;
}

/* ===== Reveal ===== */
[data-reveal]{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
[data-reveal="fade"]{
  transform:none;
}
[data-reveal="left"]{
  transform:translateX(-30px);
}
[data-reveal="right"]{
  transform:translateX(30px);
}
[data-reveal].is-revealed{
  opacity:1;
  transform:none;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .header{
    --header-h:64px;
  }
  .topbar-stats{
    display:none;
  }
  .card-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .stat-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    row-gap:36px;
  }
  .nav-toggle{
    display:flex;
  }
  .nav{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    width:min(420px,88vw);
    background:rgba(10,27,42,0.98);
    -webkit-backdrop-filter:blur(20px);
    backdrop-filter:blur(20px);
    border-left:1px solid rgba(57,255,20,0.25);
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-start;
    gap:0;
    padding:110px 36px 40px;
    transform:translateX(100%);
    transition:transform .35s var(--ease);
    z-index:100;
    overflow-y:auto;
    box-shadow:-20px 0 40px rgba(0,0,0,0.4);
  }
  .nav[data-open="true"]{
    transform:translateX(0);
  }
  .nav-links{
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    width:100%;
    margin-bottom:28px;
  }
  .nav-link{
    font-size:1.2rem;
    padding:14px 16px;
    width:100%;
    border-radius:var(--rounded);
  }
  .header-cta{
    width:100%;
  }
}
@media (max-width:640px){
  .header-topbar-inner{
    justify-content:center;
  }
  .header-inner{
    gap:12px;
  }
  .brand-text strong{
    font-size:1.15rem;
  }
  .brand-text small{
    font-size:0.52rem;
  }
  .brand-mark{
    width:10px;
    height:10px;
  }
  .section{
    padding:48px 0;
  }
  .section-heading{
    font-size:1.6rem;
  }
  .card-grid{
    grid-template-columns:1fr;
  }
  .stat-grid{
    grid-template-columns:1fr 1fr;
  }
  .footer-grid{
    grid-template-columns:1fr;
    padding:40px 0 32px;
  }
  .footer-bottom-inner{
    justify-content:center;
    text-align:center;
  }
  .footer-legal{
    justify-content:center;
  }
  .footer-data-inner{
    justify-content:center;
  }
  .footer-data-item:nth-child(2),.footer-data-item:nth-child(4){
    display:none;
  }
  .btn{
    padding:10px 18px;
    font-size:0.9rem;
  }
}

@supports not (backdrop-filter:none){
  .header{
    background:rgba(10,27,42,0.97);
  }
  .nav{
    background:rgba(10,27,42,0.99);
  }
}

@media (prefers-reduced-motion:reduce){
  html{
    scroll-behavior:auto;
  }
  *,*::before,*::after{
    animation-duration:0.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:0.01ms!important;
    transition-delay:0ms!important;
  }
  [data-reveal]{
    opacity:1;
    transform:none;
  }
}