@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --bg:#05070a;
  --white:#f4f2eb;
  --muted:#a3a6ad;
  --gold:#e5bd6a;
  --line:rgba(255,255,255,.12);
  --accent:#ff62dc;
  --ease:cubic-bezier(.77,0,.18,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--white);
  font-family:Inter,system-ui,sans-serif;overflow-x:hidden;
}
button,a{font:inherit}
button{color:inherit}

.noise,.scanlines{
  position:fixed;inset:0;pointer-events:none;z-index:1000
}
.noise{
  opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E")
}
.scanlines{
  opacity:.018;
  background:repeating-linear-gradient(0deg,transparent 0 4px,#fff 5px)
}

.topbar{
  position:fixed;z-index:900;top:0;left:0;right:0;height:78px;
  padding:0 4vw;display:flex;align-items:center;justify-content:space-between;
  background:linear-gradient(180deg,rgba(2,4,7,.9),rgba(2,4,7,.28),transparent);
  backdrop-filter:blur(7px);
}
.brand{display:flex;align-items:center;gap:7px;color:#fff;text-decoration:none}
.brand-mir,.brand-four{font-family:Cinzel,serif;font-weight:700}
.brand-mir{font-size:27px;letter-spacing:-2px}
.brand-four{font-size:34px;color:#d52e35}
.brand-divider{height:20px;width:1px;background:var(--line);margin:0 12px}
.brand-sub{font-size:10px;letter-spacing:.2em;color:#c5c7cb}
.top-actions{display:flex;gap:8px}
.glass-btn{
  border:1px solid var(--line);background:rgba(8,11,16,.5);
  padding:10px 13px;border-radius:999px;font-size:10px;letter-spacing:.1em;
  text-transform:uppercase;cursor:pointer;backdrop-filter:blur(12px);transition:.3s;
}
.glass-btn:hover,.glass-btn.active{
  border-color:color-mix(in srgb,var(--accent) 70%,white);
  background:color-mix(in srgb,var(--accent) 10%,rgba(255,255,255,.05));
  box-shadow:0 0 25px color-mix(in srgb,var(--accent) 12%,transparent)
}

.hero{
  height:100svh;min-height:720px;position:relative;overflow:hidden;
  background:#080b10;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("assets/mir4-mountains.png");
  background-position:center;background-size:cover;
  filter:saturate(.72) contrast(1.08) brightness(.68);
  transform:scale(1.025);
}
.hero-overlay{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse at 50% 48%,rgba(255,255,255,.02),transparent 42%),
    linear-gradient(180deg,rgba(2,4,7,.25),rgba(2,4,7,.1) 40%,rgba(2,4,7,.76)),
    linear-gradient(90deg,rgba(2,4,7,.82),transparent 30%,transparent 70%,rgba(2,4,7,.68));
}
.hero-vignette{
  position:absolute;inset:-2%;
  background:radial-gradient(circle at 50% 48%,transparent 26%,rgba(0,0,0,.38) 65%,rgba(0,0,0,.88) 100%);
}
.hero-grid{
  position:absolute;inset:0;opacity:.08;
  background-image:linear-gradient(rgba(255,255,255,.16) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:90px 90px;
  mask-image:linear-gradient(to bottom,transparent,black 25%,black 70%,transparent);
}

.hero-copy{
  position:absolute;z-index:30;left:5vw;top:22%;max-width:350px;
  text-shadow:0 8px 30px #000;
}
.eyebrow{
  font-size:10px;letter-spacing:.22em;color:#d2b979;
  display:flex;align-items:center;gap:9px
}
.eyebrow span{width:22px;height:1px;background:var(--gold);display:block}
.hero h1,.section-intro h2{
  font-family:Cinzel,serif;font-weight:500;line-height:.95;
  margin:18px 0 20px;font-size:clamp(48px,6vw,92px)
}
.hero h1 em,.section-intro h2 em{font-style:normal;color:var(--gold)}
.hero-copy p{color:#d2d4d7;line-height:1.7;font-size:12px;max-width:330px}
.hero-hint{
  margin-top:26px;color:#aeb0b5;font-size:9px;letter-spacing:.08em;
  display:flex;align-items:center;gap:9px
}
.mouse-icon{width:15px;height:21px;border:1px solid #aaa;border-radius:10px;position:relative;display:inline-block}
.mouse-icon:after{content:"";position:absolute;width:2px;height:5px;background:#fff;left:6px;top:4px;border-radius:3px}

.network{position:absolute;inset:78px 0 0;z-index:10}
.connections{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.connection-line{
  stroke:rgba(255,255,255,.14);stroke-width:1;fill:none;
  transition:.4s;filter:url(#lineGlow)
}
.connection-line.active{stroke:var(--accent);stroke-width:2;opacity:.9}
.connection-line.soft{stroke-dasharray:5 9;opacity:.1}

.network-center{
  position:absolute;left:50%;top:50%;width:190px;height:190px;
  transform:translate(-50%,-50%);display:grid;place-items:center;
  pointer-events:none;
}
.center-halo{
  position:absolute;inset:-110px;border-radius:50%;
  background:radial-gradient(circle,color-mix(in srgb,var(--accent) 13%,transparent),transparent 65%);
  filter:blur(15px);transition:.7s;
}
.center-ring{
  position:absolute;border:1px solid rgba(229,189,106,.2);border-radius:50%;
}
.ring-a{inset:10px;box-shadow:0 0 80px rgba(229,189,106,.08) inset}
.ring-b{inset:30px;border-style:dashed;animation:spin 28s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.center-core{
  width:102px;height:102px;border-radius:50%;
  background:rgba(4,6,10,.82);border:1px solid rgba(255,255,255,.24);
  box-shadow:0 0 50px color-mix(in srgb,var(--accent) 18%,transparent),inset 0 0 35px rgba(255,255,255,.03);
  display:grid;place-items:center;align-content:center;z-index:2;
}
.center-mir{font-family:Cinzel,serif;font-size:19px;font-weight:700;letter-spacing:-1px}
.center-core b{font:700 28px Cinzel,serif;color:#d52e35;line-height:.75}
.center-core small{font-size:5px;letter-spacing:.18em;color:#888;text-align:center;margin-top:5px}
.center-status{
  position:absolute;top:calc(100% + 22px);white-space:nowrap;
  padding:7px 11px;border:1px solid var(--line);border-radius:99px;
  background:rgba(4,6,10,.62);backdrop-filter:blur(10px);
  font-size:7px;letter-spacing:.15em;color:#8f9298;
}
.center-status i{display:inline-block;width:5px;height:5px;border-radius:50%;background:#65e6a8;box-shadow:0 0 10px #65e6a8;margin-right:7px}

.class-nodes{position:absolute;inset:0}
.class-node{
  position:absolute;width:104px;height:104px;transform:translate(-50%,-50%);
  border:1px solid rgba(255,255,255,.18);border-radius:50%;
  background:rgba(4,6,10,.66);backdrop-filter:blur(8px);
  cursor:pointer;padding:0;transition:.45s var(--ease);
  box-shadow:0 15px 40px rgba(0,0,0,.4);
}
.class-node:before{
  content:"";position:absolute;inset:-7px;border-radius:50%;
  border:1px solid color-mix(in srgb,var(--accent) 35%,transparent);
  opacity:.35;transition:.4s
}
.class-node:after{
  content:"";position:absolute;inset:15px;border-radius:50%;
  background:radial-gradient(circle,color-mix(in srgb,var(--accent) 17%,transparent),transparent 70%);
}
.class-node:hover,.class-node.selected{
  border-color:var(--accent);transform:translate(-50%,-50%) scale(1.16);
  box-shadow:0 0 35px color-mix(in srgb,var(--accent) 28%,transparent),0 20px 55px rgba(0,0,0,.5);
}
.class-node.selected:before{inset:-13px;opacity:.75;box-shadow:0 0 25px color-mix(in srgb,var(--accent) 35%,transparent)}
.node-image{
  position:absolute;z-index:2;left:50%;top:50%;width:84px;height:84px;
  transform:translate(-50%,-53%);object-fit:contain;object-position:center;
  filter:drop-shadow(0 10px 13px rgba(0,0,0,.75));transition:.45s;
}
.class-node:hover .node-image,.class-node.selected .node-image{transform:translate(-50%,-53%) scale(1.08)}
.node-label{
  position:absolute;z-index:4;left:50%;top:calc(100% + 11px);
  transform:translateX(-50%);white-space:nowrap;text-align:center;
  pointer-events:none
}
.node-label strong{
  display:block;font:500 12px Cinzel,serif;text-shadow:0 3px 10px #000
}
.node-label small{
  display:block;margin-top:3px;color:#8d9097;font-size:7px;letter-spacing:.13em;
  text-transform:uppercase
}
.node-number{
  position:absolute;z-index:5;right:-3px;top:4px;width:20px;height:20px;border-radius:50%;
  border:1px solid var(--accent);background:#05070a;font:10px Cinzel,serif;
  display:grid;place-items:center;color:var(--accent)
}

.legend{
  position:absolute;z-index:40;left:5vw;bottom:30px;
  display:flex;gap:18px;color:#70747b;font-size:7px;letter-spacing:.14em
}
.dot{width:6px;height:6px;border-radius:50%;display:inline-block;border:1px solid #666;margin-right:5px}
.dot.online{background:#65e6a8;border-color:#65e6a8;box-shadow:0 0 8px #65e6a8}

.class-pop{
  position:fixed;z-index:850;width:360px;min-width:270px;min-height:250px;
  left:50%;top:118px;transform:translateX(-50%);
  background:rgba(7,10,15,.94);border:1px solid color-mix(in srgb,var(--accent) 55%,rgba(255,255,255,.15));
  box-shadow:0 30px 90px rgba(0,0,0,.68),0 0 50px color-mix(in srgb,var(--accent) 12%,transparent);
  backdrop-filter:blur(20px);overflow:hidden;resize:both;
  animation:popIn .35s var(--ease);
}
@keyframes popIn{from{opacity:0;transform:translate(-50%,8px) scale(.94)}to{opacity:1;transform:translate(-50%,0) scale(1)}}
.class-pop.minimized{height:48px!important;min-height:48px!important;resize:none}
.class-pop.minimized .pop-body,.class-pop.minimized .pop-image{display:none}
.class-pop.maximized{
  width:min(820px,88vw)!important;height:min(620px,80vh)!important;
}
.pop-accent{
  position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);
  box-shadow:0 0 20px var(--accent)
}
.pop-head{
  height:55px;display:flex;align-items:center;justify-content:space-between;
  padding:0 13px 0 18px;border-bottom:1px solid var(--line);cursor:grab;
  user-select:none;background:linear-gradient(90deg,color-mix(in srgb,var(--accent) 9%,transparent),transparent)
}
.pop-head:active{cursor:grabbing}
.pop-title{display:flex;align-items:center;gap:10px}
.pop-index{font:11px Cinzel,serif;color:var(--accent)}
.pop-title h3{margin:0;font:500 18px Cinzel,serif}
.pop-title small{display:block;color:#85888f;font-size:7px;letter-spacing:.1em;margin-top:2px;text-transform:uppercase}
.pop-actions{display:flex;gap:4px}
.pop-actions button{
  width:26px;height:26px;border:1px solid var(--line);background:rgba(255,255,255,.04);
  cursor:pointer;font-size:13px
}
.pop-body{display:grid;grid-template-columns:135px 1fr;gap:18px;padding:17px}
.pop-image{
  min-height:190px;display:grid;place-items:center;overflow:hidden;
  background:radial-gradient(circle at 50% 50%,color-mix(in srgb,var(--accent) 14%,transparent),transparent 67%);
  border:1px solid color-mix(in srgb,var(--accent) 25%,transparent)
}
.pop-image img{width:100%;height:100%;min-height:190px;object-fit:contain;filter:drop-shadow(0 18px 20px rgba(0,0,0,.6))}
.pop-content .role{font-size:8px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:9px}
.pop-content p{font-size:10px;line-height:1.55;color:#c1c3c7;margin:0 0 12px}
.pop-stats{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.pop-stat{border:1px solid var(--line);padding:8px;background:rgba(255,255,255,.02)}
.pop-stat span{display:block;font-size:6px;color:#777;letter-spacing:.12em}
.pop-stat b{display:block;color:var(--accent);font:14px Cinzel,serif;margin-top:3px}
.pop-section{border-top:1px solid var(--line);padding-top:9px;margin-top:11px}
.pop-section h4{font-size:7px;color:#bca86f;letter-spacing:.15em;margin:0 0 7px}
.pop-section ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:5px}
.pop-section li{font-size:8px;color:#aeb0b5}
.pop-section li:before{content:"✦";color:var(--accent);margin-right:5px}
.pop-requires{font-size:8px!important;color:#92959b!important;margin:0!important}

.codex{
  position:relative;z-index:2;padding:110px 5vw 130px;
  background:radial-gradient(circle at 50% 0,#141a23,#05070a 55%)
}
.section-intro{
  display:grid;grid-template-columns:1fr 420px;gap:60px;align-items:end;
  max-width:1200px;margin:0 auto 55px
}
.section-intro h2{font-size:clamp(42px,5vw,70px);margin-bottom:0}
.section-intro p{font-size:11px;line-height:1.75;color:#8e9197}
.codex-grid{
  max-width:1200px;margin:auto;display:grid;
  grid-template-columns:repeat(4,1fr);gap:12px
}
.codex-card{
  position:relative;min-height:360px;border:1px solid var(--line);
  background:#090c11;overflow:hidden;cursor:pointer;transition:.45s var(--ease)
}
.codex-card:before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,transparent 20%,rgba(3,5,8,.2) 43%,#07090d 100%)
}
.codex-card:after{
  content:"";position:absolute;width:180px;height:180px;border-radius:50%;
  right:-60px;top:-60px;background:var(--accent);filter:blur(70px);opacity:.12;z-index:1
}
.codex-card:hover{
  transform:translateY(-7px);border-color:color-mix(in srgb,var(--accent) 50%,var(--line));
  box-shadow:0 25px 60px rgba(0,0,0,.4),0 0 30px color-mix(in srgb,var(--accent) 8%,transparent)
}
.codex-card img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:contain;
  filter:saturate(.65) brightness(.66);transition:.5s;z-index:0;padding:10px
}
.codex-card:hover img{filter:saturate(1) brightness(.8);transform:scale(1.04)}
.card-content{position:absolute;z-index:3;left:0;right:0;bottom:0;padding:20px}
.card-index{font:11px Cinzel,serif;color:var(--accent)}
.card-content h3{font:500 24px Cinzel,serif;margin:7px 0 3px}
.card-role{font-size:8px;color:#a7a9ad;letter-spacing:.11em;text-transform:uppercase}
.card-line{height:1px;background:linear-gradient(90deg,var(--accent),transparent);margin:15px 0}
.card-content p{font-size:9px;line-height:1.55;color:#b8b9bd;margin:0}
.card-pick{
  position:absolute;z-index:3;right:15px;top:15px;border:1px solid var(--line);
  padding:6px 8px;background:rgba(4,6,9,.55);font-size:8px;color:#ddd
}

.toast{
  position:fixed;z-index:1200;left:50%;bottom:22px;transform:translate(-50%,20px);
  opacity:0;pointer-events:none;padding:9px 13px;border:1px solid var(--line);
  background:rgba(5,7,10,.88);backdrop-filter:blur(10px);font-size:8px;
  letter-spacing:.1em;text-transform:uppercase;transition:.3s
}
.toast.show{opacity:1;transform:translate(-50%,0)}

footer{
  padding:25px 5vw;border-top:1px solid var(--line);display:flex;
  justify-content:space-between;color:#666;font-size:8px;letter-spacing:.13em;text-transform:uppercase
}

body.focus-mode .hero-overlay{background:linear-gradient(180deg,rgba(2,4,7,.72),rgba(2,4,7,.45),rgba(2,4,7,.9))}
body.focus-mode .hero-bg{filter:grayscale(.85) brightness(.42) contrast(1.18)}
body.focus-mode .hero-copy{opacity:.28;transition:.4s}
body.focus-mode .class-node:not(.selected){opacity:.28;filter:grayscale(.8)}
body.focus-mode .connection-line:not(.active){opacity:.05}

@media (max-width:1100px){
  .hero-copy{top:16%;max-width:285px}
  .class-node{width:88px;height:88px}
  .node-image{width:72px;height:72px}
  .codex-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .topbar{height:65px}.brand-sub{display:none}
  .top-actions .glass-btn{padding:8px}.hero{min-height:760px}
  .hero-copy{left:5vw;top:11%;max-width:255px}
  .hero h1{font-size:47px}.hero-copy p{font-size:10px}
  .network{inset:70px 0 0}
  .network-center{width:135px;height:135px;top:53%}
  .center-core{width:82px;height:82px}
  .center-mir{font-size:15px}.center-core b{font-size:23px}
  .class-node{width:67px;height:67px}
  .node-image{width:57px;height:57px}
  .node-label{top:calc(100% + 7px)}
  .node-label strong{font-size:9px}.node-label small{display:none}
  .node-number{width:16px;height:16px;font-size:8px}
  .legend{left:5vw;bottom:17px}
  .class-pop{width:88vw;max-height:78vh;overflow:auto;top:82px}
  .pop-body{grid-template-columns:100px 1fr;gap:12px;padding:12px}
  .pop-image,.pop-image img{min-height:145px}
  .pop-section ul{grid-template-columns:1fr}
  .section-intro{grid-template-columns:1fr;gap:15px}
  .codex-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:500px){
  .codex{padding:75px 4vw}
  .codex-grid{grid-template-columns:1fr}
  .codex-card{min-height:330px}
  .hero-bg{background-position:56% center}
  .pop-body{grid-template-columns:1fr}
  .pop-image{height:170px}
}