/* ============================================================
   PROJECT CHIMERA // CYBERPUNK LP — STYLE
   Palette: Deep Black #0A0A0A / Electric Cyan #00FFFF
            Cyber Pink #FF00FF / Neon Green #39FF14
   ============================================================ */

:root{
  --bg:#0A0A0A;
  --bg2:#0d0d14;
  --panel:#101018;
  --cyan:#00FFFF;
  --pink:#FF00FF;
  --green:#39FF14;
  --yellow:#FFFF00;
  --white:#F2F2F2;
  --gray:#8a8a99;
  --line:rgba(0,255,255,.18);
  --font-head:'Orbitron','Rajdhani','Noto Sans JP',sans-serif;
  --font-body:'Rajdhani','Noto Sans JP',sans-serif;
  --font-mono:'Share Tech Mono','Noto Sans JP',monospace;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--white);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.8;
  overflow-x:hidden;
  cursor:none;
}
::selection{background:var(--pink);color:#000}
a{color:inherit;text-decoration:none;cursor:none}
button{cursor:none;font-family:inherit}
img{max-width:100%}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ============ GLOBAL FX LAYERS ============ */
.fx-scanlines{
  position:fixed;inset:0;pointer-events:none;z-index:9000;
  background:repeating-linear-gradient(0deg,rgba(0,0,0,.22) 0 1px,transparent 1px 3px);
  mix-blend-mode:multiply;
}
.fx-vignette{
  position:fixed;inset:0;pointer-events:none;z-index:8999;
  background:radial-gradient(ellipse at center,transparent 55%,rgba(0,0,10,.55) 100%);
}
.fx-noise{
  position:fixed;inset:-50%;pointer-events:none;z-index:9001;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:noiseShift .4s steps(4) infinite;
}
@keyframes noiseShift{
  0%{transform:translate(0,0)}25%{transform:translate(-2%,1%)}
  50%{transform:translate(1%,-2%)}75%{transform:translate(-1%,2%)}100%{transform:translate(0,0)}
}

/* ============ CUSTOM CURSOR ============ */
#cursor{
  position:fixed;width:8px;height:8px;background:var(--cyan);
  z-index:10001;pointer-events:none;transform:translate(-50%,-50%);
  box-shadow:0 0 12px var(--cyan);mix-blend-mode:screen;
}
#cursor-ring{
  position:fixed;width:34px;height:34px;border:1px solid rgba(0,255,255,.6);
  z-index:10000;pointer-events:none;transform:translate(-50%,-50%) rotate(45deg);
  transition:width .25s,height .25s,border-color .25s,transform .15s;
}
#cursor-ring.hovering{width:52px;height:52px;border-color:var(--pink);transform:translate(-50%,-50%) rotate(225deg)}
@media (hover:none),(pointer:coarse){
  body,a,button{cursor:auto}
  #cursor,#cursor-ring{display:none}
}

/* ============ BOOT SCREEN ============ */
#boot-screen{
  position:fixed;inset:0;z-index:11000;background:#050508;
  display:flex;align-items:center;justify-content:center;
  transition:opacity .6s,visibility .6s;
}
#boot-screen.done{opacity:0;visibility:hidden}
.boot-inner{width:min(560px,86vw)}
.boot-log{
  font-family:var(--font-mono);font-size:13px;color:var(--green);
  min-height:190px;white-space:pre-wrap;line-height:1.7;
  text-shadow:0 0 8px rgba(57,255,20,.6);
}
.boot-bar-wrap{display:flex;align-items:center;gap:14px;margin-top:18px}
.boot-bar{flex:1;height:10px;border:1px solid var(--green);padding:2px}
.boot-bar span{display:block;height:100%;width:0%;background:var(--green);box-shadow:0 0 14px var(--green)}
.boot-pct{font-family:var(--font-mono);color:var(--green);font-size:13px;min-width:52px;text-align:right}
.boot-skip{margin-top:26px;text-align:center;font-family:var(--font-mono);font-size:11px;color:var(--gray);letter-spacing:.2em;animation:blink 1.2s steps(2) infinite}
@keyframes blink{50%{opacity:0}}

/* ============ HUD NAV ============ */
#hud-nav{
  position:fixed;top:0;left:0;right:0;z-index:8000;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 clamp(16px,3vw,40px);height:72px;
  background:linear-gradient(180deg,rgba(10,10,10,.92),rgba(10,10,10,.75));
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transform:translateY(-100%);
  animation:navIn .8s .2s cubic-bezier(.2,.9,.3,1) forwards;
}
@keyframes navIn{to{transform:translateY(0)}}
#hud-nav::after{
  content:"";position:absolute;left:0;bottom:-1px;height:1px;width:100%;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);
  opacity:.5;
}
.nav-logo{
  font-family:var(--font-head);font-weight:900;font-size:20px;letter-spacing:.14em;
  display:flex;align-items:center;gap:10px;
}
.logo-os{color:var(--cyan);text-shadow:0 0 10px var(--cyan)}
.logo-mark{
  width:14px;height:14px;background:var(--cyan);transform:rotate(45deg);
  box-shadow:0 0 12px var(--cyan);animation:markPulse 2s ease-in-out infinite;
}
@keyframes markPulse{50%{background:var(--pink);box-shadow:0 0 16px var(--pink)}}
.nav-links{display:flex;align-items:center;gap:clamp(14px,2.4vw,34px)}
.nav-links a{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.12em;color:var(--gray);
  position:relative;padding:6px 2px;transition:color .25s,text-shadow .25s;
}
.nav-links a i{font-style:normal;color:var(--cyan);margin-right:6px;font-size:11px}
.nav-links a:hover{color:var(--white);text-shadow:0 0 12px var(--cyan)}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--cyan);box-shadow:0 0 8px var(--cyan);transition:width .3s;
}
.nav-links a:hover::after{width:100%}
.nav-cta{
  border:1px solid var(--pink);color:var(--pink)!important;padding:8px 16px!important;
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  transition:background .25s,color .25s,box-shadow .25s!important;
}
.nav-cta:hover{background:var(--pink);color:#000!important;box-shadow:0 0 24px rgba(255,0,255,.6)}
.nav-cta::after{display:none}
.nav-right{display:flex;align-items:center;gap:14px}
.sound-toggle{
  display:flex;align-items:center;gap:8px;background:none;border:1px solid var(--line);
  color:var(--gray);font-family:var(--font-mono);font-size:11px;padding:7px 12px;
  transition:border-color .25s,color .25s;
}
.sound-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.snd-bars{display:flex;align-items:flex-end;gap:2px;height:12px}
.snd-bars b{width:2px;height:4px;background:currentColor;transition:height .3s}
.sound-toggle.on .snd-bars b:nth-child(1){animation:eq .5s .0s infinite alternate}
.sound-toggle.on .snd-bars b:nth-child(2){animation:eq .5s .15s infinite alternate}
.sound-toggle.on .snd-bars b:nth-child(3){animation:eq .5s .3s infinite alternate}
.sound-toggle.on .snd-bars b:nth-child(4){animation:eq .5s .45s infinite alternate}
@keyframes eq{from{height:3px}to{height:12px}}
.sound-toggle.on{color:var(--green);border-color:var(--green)}
.menu-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:8px}
.menu-btn span{width:24px;height:2px;background:var(--cyan);box-shadow:0 0 6px var(--cyan);transition:transform .3s,opacity .3s}
.menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

#mobile-menu{
  position:fixed;inset:0;z-index:7900;background:rgba(5,5,10,.97);
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:8px;
  opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s;
}
#mobile-menu.open{opacity:1;visibility:visible}
#mobile-menu nav{display:flex;flex-direction:column;gap:22px;text-align:center}
#mobile-menu a{
  font-family:var(--font-head);font-size:26px;font-weight:700;letter-spacing:.14em;
}
#mobile-menu a i{font-style:normal;font-family:var(--font-mono);font-size:13px;color:var(--cyan);margin-right:12px}
#mobile-menu .mm-cta{color:var(--pink);text-shadow:0 0 14px var(--pink)}
.mm-deco{position:absolute;bottom:28px;font-family:var(--font-mono);font-size:11px;color:var(--gray);letter-spacing:.15em}

/* ============ HERO ============ */
#hero{
  position:relative;min-height:100vh;min-height:100svh;
  display:flex;flex-direction:column;justify-content:center;align-items:center;
  overflow:hidden;padding:100px 20px 90px;
  background:radial-gradient(ellipse 80% 60% at 50% 110%,rgba(255,0,255,.12),transparent),
             radial-gradient(ellipse 70% 55% at 50% -10%,rgba(0,255,255,.14),transparent),
             var(--bg);
}
#particle-canvas{position:absolute;inset:0;width:100%;height:100%}
.hero-grid{
  position:absolute;inset:auto 0 0 0;height:42vh;pointer-events:none;
  background:
    linear-gradient(transparent,rgba(0,255,255,.06)),
    repeating-linear-gradient(90deg,rgba(0,255,255,.13) 0 1px,transparent 1px 60px),
    repeating-linear-gradient(0deg,rgba(0,255,255,.13) 0 1px,transparent 1px 42px);
  transform:perspective(420px) rotateX(62deg) scale(1.6);
  transform-origin:bottom;
  animation:gridMove 3.2s linear infinite;
  mask-image:linear-gradient(to top,#000 40%,transparent);
  -webkit-mask-image:linear-gradient(to top,#000 40%,transparent);
}
@keyframes gridMove{to{background-position:0 0,0 0,0 42px}}
.hero-hud{
  position:absolute;font-family:var(--font-mono);font-size:11px;color:var(--gray);
  display:flex;flex-direction:column;gap:6px;letter-spacing:.08em;line-height:1.5;
}
.hero-hud b.ok{color:var(--green);text-shadow:0 0 8px var(--green);font-weight:400}
.hud-tl{top:96px;left:clamp(16px,3vw,40px)}
.hud-tr{top:96px;right:clamp(16px,3vw,40px);text-align:right}
#hud-clock{color:var(--cyan);font-size:15px;text-shadow:0 0 10px var(--cyan)}
.hero-content{position:relative;z-index:3;text-align:center;max-width:1000px}
.hero-pre{
  font-family:var(--font-mono);font-size:clamp(11px,1.4vw,14px);color:var(--yellow);
  letter-spacing:.22em;margin-bottom:26px;text-shadow:0 0 10px rgba(255,255,0,.5);
}
.warn-icon{display:inline-block;animation:blink 1.4s steps(2) infinite}
.hero-title{
  font-family:var(--font-head);font-weight:900;
  font-size:clamp(42px,8.6vw,110px);
  line-height:1.14;letter-spacing:.06em;
  margin-bottom:30px;
}
.glitch{position:relative;display:inline-block;text-shadow:0 0 24px rgba(0,255,255,.35)}
.glitch.cyan{color:var(--cyan);text-shadow:0 0 30px rgba(0,255,255,.7)}
.glitch::before,.glitch::after{
  content:attr(data-text);position:absolute;inset:0;overflow:hidden;
  clip-path:inset(50% 0 50% 0);opacity:.85;
}
.glitch::before{color:var(--pink);transform:translate(-3px,0);animation:glitchA 3.4s infinite steps(1)}
.glitch::after{color:var(--green);transform:translate(3px,0);animation:glitchB 2.9s infinite steps(1)}
@keyframes glitchA{
  0%,86%,100%{clip-path:inset(50% 0 50% 0);transform:translate(0)}
  87%{clip-path:inset(8% 0 62% 0);transform:translate(-5px,1px)}
  89%{clip-path:inset(60% 0 12% 0);transform:translate(4px,-2px)}
  91%{clip-path:inset(30% 0 44% 0);transform:translate(-3px,0)}
  93%{clip-path:inset(78% 0 4% 0);transform:translate(5px,2px)}
}
@keyframes glitchB{
  0%,80%,100%{clip-path:inset(50% 0 50% 0);transform:translate(0)}
  81%{clip-path:inset(40% 0 30% 0);transform:translate(5px,-1px)}
  84%{clip-path:inset(4% 0 80% 0);transform:translate(-4px,2px)}
  87%{clip-path:inset(66% 0 10% 0);transform:translate(3px,0)}
}
.hero-sub{
  font-size:clamp(15px,2vw,19px);color:#cfcfe0;margin-bottom:44px;line-height:2;
}
.hero-sub .en{
  display:block;font-family:var(--font-mono);font-size:clamp(11px,1.3vw,13px);
  color:var(--green);letter-spacing:.28em;margin-bottom:12px;
  text-shadow:0 0 10px rgba(57,255,20,.6);
}
.hero-cta{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}

/* ---- buttons ---- */
.btn{
  position:relative;display:inline-block;overflow:hidden;
  font-family:var(--font-head);font-weight:700;font-size:clamp(14px,1.6vw,17px);
  letter-spacing:.14em;padding:17px 38px;
  clip-path:polygon(14px 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%,0 14px);
  transition:transform .2s,box-shadow .3s,background .3s,color .3s;
}
.btn:active{transform:scale(.96)}
.btn-primary{
  background:var(--cyan);color:#000;
  box-shadow:0 0 26px rgba(0,255,255,.45),inset 0 0 18px rgba(255,255,255,.25);
}
.btn-primary:hover{box-shadow:0 0 46px rgba(0,255,255,.8),inset 0 0 24px rgba(255,255,255,.35);transform:translateY(-2px)}
.btn-ghost{
  background:transparent;color:var(--pink);border:1px solid var(--pink);
  box-shadow:0 0 18px rgba(255,0,255,.25),inset 0 0 18px rgba(255,0,255,.08);
}
.btn-ghost:hover{background:rgba(255,0,255,.14);box-shadow:0 0 36px rgba(255,0,255,.6);transform:translateY(-2px)}
.btn-glitch{
  position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);
  transform:translateX(-120%) skewX(-18deg);pointer-events:none;
}
.btn-primary:hover .btn-glitch{animation:btnScan .7s ease}
@keyframes btnScan{to{transform:translateX(120%) skewX(-18deg)}}

.hero-footer{
  position:absolute;bottom:0;left:0;right:0;z-index:3;
  display:flex;justify-content:space-between;align-items:flex-end;
  padding:0 clamp(16px,3vw,40px) 26px;
}
.scroll-indicator{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.3em;color:var(--gray);
  display:flex;flex-direction:column;align-items:flex-start;gap:10px;
}
.scroll-line{width:1px;height:44px;background:linear-gradient(var(--cyan),transparent);position:relative;overflow:hidden}
.scroll-line::after{
  content:"";position:absolute;top:-16px;left:0;width:1px;height:16px;background:var(--white);
  animation:scrollDrop 1.6s ease-in infinite;
}
@keyframes scrollDrop{to{top:48px}}
.hero-barcode{
  width:110px;height:30px;opacity:.55;
  background:repeating-linear-gradient(90deg,var(--white) 0 2px,transparent 2px 4px,var(--white) 4px 5px,transparent 5px 9px,var(--white) 9px 12px,transparent 12px 14px);
}

/* ============ TICKER ============ */
.ticker{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:rgba(0,255,255,.03);overflow:hidden;padding:12px 0;position:relative;z-index:4;
}
.ticker-track{display:flex;width:max-content;animation:ticker 30s linear infinite}
.ticker-track span{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.2em;color:var(--cyan);
  white-space:nowrap;text-shadow:0 0 8px rgba(0,255,255,.5);
}
@keyframes ticker{to{transform:translateX(-50%)}}

/* ============ SECTIONS COMMON ============ */
.section{position:relative;padding:clamp(90px,12vh,150px) clamp(20px,6vw,80px);max-width:1440px;margin:0 auto}
.sec-head{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;margin-bottom:22px}
.sec-index{font-family:var(--font-mono);color:var(--pink);font-size:15px;text-shadow:0 0 10px rgba(255,0,255,.6)}
.sec-title{
  font-family:var(--font-head);font-weight:900;font-size:clamp(28px,4.6vw,54px);
  letter-spacing:.05em;line-height:1.2;
}
.glitch-h{position:relative;display:inline-block}
.glitch-h::before{
  content:attr(data-text);position:absolute;left:2px;top:0;color:var(--pink);
  clip-path:inset(0 0 55% 0);opacity:0;z-index:-1;
}
.sec-head:hover .glitch-h::before{opacity:.8;animation:hGlitch .5s steps(2) infinite}
@keyframes hGlitch{50%{transform:translate(-4px,2px)}}
.sec-code{
  font-family:var(--font-mono);font-size:12px;color:var(--green);letter-spacing:.24em;
  border:1px solid rgba(57,255,20,.35);padding:4px 12px;
  text-shadow:0 0 8px rgba(57,255,20,.6);
}
.sec-lead{color:var(--gray);font-size:clamp(15px,1.8vw,18px);margin-bottom:56px;max-width:640px}

/* reveal */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ============ PROLOGUE ============ */
#prologue{overflow:hidden}
.prologue-body{display:grid;grid-template-columns:1.25fr .9fr;gap:clamp(30px,5vw,70px);align-items:start;position:relative;z-index:2}
.prologue-text .lead{font-size:clamp(19px,2.4vw,26px);font-weight:700;line-height:1.9;margin-bottom:26px}
.prologue-text p{margin-bottom:20px;color:#c9c9da}
.prologue-text .lead{color:var(--white)}
.hl-pink{color:var(--pink);text-shadow:0 0 12px rgba(255,0,255,.6)}
.hl-cyan{color:var(--cyan);text-shadow:0 0 12px rgba(0,255,255,.6)}
.prologue-text b{color:var(--white)}
.prologue-stats{display:flex;flex-direction:column;gap:18px}
.stat{
  border:1px solid var(--line);background:linear-gradient(135deg,rgba(0,255,255,.05),transparent 60%);
  padding:22px 26px;position:relative;
  clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,18px 100%,0 calc(100% - 18px));
  transition:border-color .3s,box-shadow .3s,transform .3s;
}
.stat:hover{border-color:var(--cyan);box-shadow:0 0 26px rgba(0,255,255,.2);transform:translateX(6px)}
.stat-num{
  font-family:var(--font-head);font-weight:900;font-size:clamp(38px,4.4vw,56px);
  color:var(--cyan);text-shadow:0 0 18px rgba(0,255,255,.7);line-height:1;
}
.stat-unit{font-family:var(--font-mono);color:var(--pink);font-size:18px;margin-left:6px}
.stat-label{display:block;font-family:var(--font-mono);font-size:11px;color:var(--gray);letter-spacing:.16em;margin-top:10px}
.circuit-bg{
  position:absolute;inset:0;opacity:.07;pointer-events:none;
  background-image:
    radial-gradient(circle at 20% 30%,var(--cyan) 1.5px,transparent 2px),
    radial-gradient(circle at 70% 60%,var(--cyan) 1.5px,transparent 2px),
    radial-gradient(circle at 40% 80%,var(--pink) 1.5px,transparent 2px),
    linear-gradient(90deg,transparent 49.7%,rgba(0,255,255,.5) 49.7% 50.3%,transparent 50.3%),
    linear-gradient(0deg,transparent 49.7%,rgba(0,255,255,.5) 49.7% 50.3%,transparent 50.3%);
  background-size:220px 220px,340px 340px,280px 280px,160px 160px,200px 200px;
}

/* ============ SOLUTION ============ */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.6vw,32px)}
.feature-card{
  position:relative;border:1px solid var(--line);background:var(--panel);
  padding:clamp(26px,3vw,38px);overflow:hidden;
  clip-path:polygon(0 0,calc(100% - 24px) 0,100% 24px,100% 100%,24px 100%,0 calc(100% - 24px));
  transition:border-color .35s,transform .35s,box-shadow .35s;
}
.feature-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--pink));
  transform:scaleX(0);transform-origin:left;transition:transform .45s;
}
.feature-card:hover{border-color:rgba(0,255,255,.5);transform:translateY(-8px);box-shadow:0 18px 44px rgba(0,0,0,.6),0 0 34px rgba(0,255,255,.14)}
.feature-card:hover::before{transform:scaleX(1)}
.fc-icon{
  width:64px;height:64px;color:var(--cyan);margin-bottom:22px;
  filter:drop-shadow(0 0 10px rgba(0,255,255,.6));
  transition:color .3s,filter .3s,transform .4s;
}
.feature-card:hover .fc-icon{color:var(--pink);filter:drop-shadow(0 0 14px rgba(255,0,255,.7));transform:rotate(-6deg) scale(1.08)}
.fc-icon svg{width:100%;height:100%}
.feature-card h3{
  font-family:var(--font-head);font-size:clamp(18px,1.9vw,22px);font-weight:700;
  letter-spacing:.06em;margin-bottom:14px;line-height:1.5;
}
.fc-en{display:block;font-family:var(--font-mono);font-size:11px;font-weight:400;color:var(--green);letter-spacing:.14em;margin-top:4px}
.feature-card p{font-size:15px;color:#b9b9cc;line-height:1.9;margin-bottom:24px}
.fc-meter{position:relative;height:6px;background:rgba(255,255,255,.08);margin-bottom:8px}
.fc-meter span{
  position:absolute;inset:0 auto 0 0;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--green));
  box-shadow:0 0 10px rgba(0,255,255,.6);
  transition:width 1.2s cubic-bezier(.2,.8,.3,1);
}
.feature-card.in .fc-meter span{width:var(--val)}
.fc-meter em{font-style:normal;font-family:var(--font-mono);font-size:10px;color:var(--gray);letter-spacing:.14em;position:absolute;top:12px;left:0}
.fc-num{
  position:absolute;top:18px;right:22px;font-family:var(--font-mono);
  font-size:11px;color:rgba(255,0,255,.7);letter-spacing:.18em;
}

/* ============ SYSTEM ============ */
#system{max-width:none;background:linear-gradient(180deg,transparent,rgba(255,0,255,.035) 40%,transparent)}
.system-layout{
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(26px,4vw,56px);
  max-width:1440px;margin:0 auto;align-items:start;
}
.terminal{
  border:1px solid rgba(57,255,20,.4);background:#050805;
  box-shadow:0 0 40px rgba(57,255,20,.08),inset 0 0 60px rgba(57,255,20,.04);
  position:sticky;top:100px;
}
.term-head{
  display:flex;align-items:center;gap:8px;padding:12px 16px;
  border-bottom:1px solid rgba(57,255,20,.3);background:rgba(57,255,20,.05);
}
.term-dot{width:10px;height:10px;border-radius:50%;background:rgba(57,255,20,.4)}
.term-dot:first-child{background:var(--pink)}
.term-dot:nth-child(2){background:var(--yellow)}
.term-head em{font-style:normal;font-family:var(--font-mono);font-size:12px;color:var(--green);margin-left:10px;letter-spacing:.08em}
.term-body{
  padding:20px 18px;font-family:var(--font-mono);font-size:13px;line-height:1.9;
  color:var(--green);min-height:380px;text-shadow:0 0 6px rgba(57,255,20,.5);
  white-space:pre-wrap;word-break:break-all;
}
.term-body .t-cyan{color:var(--cyan)}
.term-body .t-pink{color:var(--pink)}
.term-body .t-yellow{color:var(--yellow)}
.term-body .t-white{color:var(--white)}
.term-caret{display:inline-block;width:8px;height:15px;background:var(--green);vertical-align:-2px;animation:blink .9s steps(2) infinite}
.arch-panels{display:flex;flex-direction:column;gap:16px}
.arch-panel{
  border:1px solid var(--line);background:var(--panel);
  clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,0 100%);
  transition:border-color .3s,box-shadow .3s;
}
.arch-panel[open]{border-color:rgba(0,255,255,.55);box-shadow:0 0 26px rgba(0,255,255,.1)}
.arch-panel summary{
  list-style:none;display:flex;align-items:center;gap:14px;
  padding:20px 22px;font-family:var(--font-head);font-weight:700;
  font-size:clamp(15px,1.6vw,18px);letter-spacing:.06em;
  transition:color .25s;
}
.arch-panel summary::-webkit-details-marker{display:none}
.arch-panel summary:hover{color:var(--cyan)}
.arch-panel summary i{
  font-style:normal;font-family:var(--font-mono);font-size:11px;font-weight:400;
  color:var(--pink);border:1px solid rgba(255,0,255,.4);padding:3px 9px;letter-spacing:.12em;
}
.ap-plus{margin-left:auto;font-family:var(--font-mono);color:var(--cyan);transition:transform .3s}
.arch-panel[open] .ap-plus{transform:rotate(45deg)}
.ap-body{
  padding:0 22px 22px 22px;color:#b9b9cc;font-size:15px;line-height:1.9;
  border-top:1px dashed rgba(0,255,255,.2);padding-top:16px;margin:0 22px 22px;padding-left:0;padding-right:0;
}

/* ============ ROADMAP ============ */
.timeline{position:relative;padding:30px 0 10px}
.tl-line{
  position:absolute;top:0;bottom:0;left:19px;width:2px;
  background:rgba(0,255,255,.15);
}
#tl-progress{
  display:block;width:100%;height:0;
  background:linear-gradient(var(--cyan),var(--pink));
  box-shadow:0 0 12px rgba(0,255,255,.6);
  transition:height .2s linear;
}
.tl-item{
  position:relative;padding:0 0 56px 64px;max-width:720px;
}
.tl-item::before{
  content:"";position:absolute;left:11px;top:6px;width:16px;height:16px;
  background:var(--bg);border:2px solid var(--cyan);transform:rotate(45deg);
  box-shadow:0 0 14px rgba(0,255,255,.7);
  transition:background .3s,transform .4s;
}
.tl-item:hover::before{background:var(--cyan);transform:rotate(225deg)}
.tl-phase{
  font-family:var(--font-mono);font-size:11px;color:var(--pink);
  letter-spacing:.22em;border:1px solid rgba(255,0,255,.4);padding:3px 10px;
}
.tl-date{
  font-family:var(--font-mono);font-size:12px;color:var(--green);
  letter-spacing:.18em;margin-left:14px;text-shadow:0 0 8px rgba(57,255,20,.6);
}
.tl-item h3{
  font-family:var(--font-head);font-size:clamp(19px,2.2vw,26px);font-weight:700;
  letter-spacing:.08em;margin:14px 0 10px;
}
.tl-item p{color:#b9b9cc;font-size:15px;line-height:1.9}

/* ============ CTA ============ */
#connect{padding-bottom:clamp(110px,14vh,170px)}
.cta-frame{
  position:relative;max-width:900px;margin:0 auto;text-align:center;
  border:1px solid var(--line);padding:clamp(46px,7vw,90px) clamp(22px,5vw,70px);
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%,rgba(0,255,255,.09),transparent),
    radial-gradient(ellipse 70% 60% at 50% 100%,rgba(255,0,255,.09),transparent),
    var(--panel);
  overflow:hidden;
}
.cta-frame::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(45deg,transparent 0 14px,rgba(0,255,255,.03) 14px 15px);
}
.cta-corner{position:absolute;width:26px;height:26px;border-color:var(--cyan);border-style:solid;border-width:0}
.cta-corner.tl{top:8px;left:8px;border-top-width:2px;border-left-width:2px}
.cta-corner.tr{top:8px;right:8px;border-top-width:2px;border-right-width:2px}
.cta-corner.bl{bottom:8px;left:8px;border-bottom-width:2px;border-left-width:2px}
.cta-corner.br{bottom:8px;right:8px;border-bottom-width:2px;border-right-width:2px}
.cta-title{
  font-family:var(--font-head);font-weight:900;font-size:clamp(28px,5vw,58px);
  letter-spacing:.05em;margin:18px 0 12px;text-shadow:0 0 26px rgba(0,255,255,.4);
}
.cta-sub{color:var(--gray);margin-bottom:40px;font-size:clamp(15px,1.8vw,18px)}
.countdown{
  display:flex;justify-content:center;align-items:center;gap:clamp(8px,2vw,18px);
  margin-bottom:46px;flex-wrap:wrap;
}
.cd-cell{
  min-width:clamp(76px,10vw,110px);padding:16px 8px 12px;
  border:1px solid rgba(0,255,255,.4);background:rgba(0,255,255,.04);
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
}
.cd-cell span{
  display:block;font-family:var(--font-head);font-weight:900;
  font-size:clamp(30px,4.6vw,52px);color:var(--cyan);line-height:1;
  text-shadow:0 0 18px rgba(0,255,255,.8);font-variant-numeric:tabular-nums;
}
.cd-cell em{
  font-style:normal;font-family:var(--font-mono);font-size:10px;
  color:var(--gray);letter-spacing:.26em;
}
.cd-sep{font-family:var(--font-head);font-size:clamp(24px,3.4vw,40px);color:var(--pink);text-shadow:0 0 12px var(--pink);animation:blink 1s steps(2) infinite}
.register-form{
  display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-bottom:18px;
}
.register-form input{
  font-family:var(--font-mono);font-size:15px;letter-spacing:.06em;
  background:rgba(0,0,0,.55);border:1px solid var(--line);color:var(--white);
  padding:16px 20px;width:min(340px,80vw);outline:none;
  transition:border-color .3s,box-shadow .3s;
}
.register-form input:focus{border-color:var(--cyan);box-shadow:0 0 20px rgba(0,255,255,.3)}
.register-form input::placeholder{color:#55556a}
.form-msg{font-family:var(--font-mono);font-size:13px;letter-spacing:.12em;min-height:22px;margin-bottom:8px}
.form-msg.ok{color:var(--green);text-shadow:0 0 10px rgba(57,255,20,.7)}
.form-msg.err{color:var(--pink);text-shadow:0 0 10px rgba(255,0,255,.7)}
.cta-note{font-family:var(--font-mono);font-size:11px;color:var(--gray);letter-spacing:.1em}

/* ============ FOOTER ============ */
footer{border-top:1px solid var(--line);background:#07070c;position:relative;z-index:4}
.footer-inner{
  max-width:1440px;margin:0 auto;padding:56px clamp(20px,6vw,80px) 30px;
  display:flex;justify-content:space-between;align-items:flex-start;gap:34px;flex-wrap:wrap;
}
.footer-brand p{font-family:var(--font-mono);font-size:12px;color:var(--gray);margin-top:14px;letter-spacing:.1em}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{
  font-family:var(--font-mono);font-size:12px;color:var(--gray);letter-spacing:.16em;
  transition:color .25s,text-shadow .25s;
}
.footer-links a:hover{color:var(--cyan);text-shadow:0 0 10px var(--cyan)}
.footer-links a::before{content:"› ";color:var(--pink)}
.footer-sns{display:flex;gap:14px}
.footer-sns a{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--gray);
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  transition:color .3s,border-color .3s,box-shadow .3s,transform .3s;
}
.footer-sns a:hover{color:var(--cyan);border-color:var(--cyan);box-shadow:0 0 18px rgba(0,255,255,.35);transform:translateY(-4px)}
.footer-sns svg{width:20px;height:20px}
.footer-bottom{
  max-width:1440px;margin:0 auto;padding:20px clamp(20px,6vw,80px) 30px;
  border-top:1px dashed rgba(0,255,255,.15);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-family:var(--font-mono);font-size:11px;color:var(--gray);letter-spacing:.14em;
}
.footer-sig{color:rgba(255,0,255,.55)}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .feature-grid{grid-template-columns:1fr 1fr}
  .system-layout{grid-template-columns:1fr}
  .terminal{position:static}
}
@media (max-width:768px){
  .nav-links{display:none}
  .menu-btn{display:flex}
  .prologue-body{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .hero-hud{font-size:9px}
  .hud-tr{display:none}
  .hero-barcode{display:none}
  .btn{padding:15px 26px;width:100%;text-align:center}
  .hero-cta{width:min(400px,90vw);margin:0 auto}
  .register-form input{width:100%}
  .register-form .btn{width:100%}
  .tl-item{padding-left:48px}
  .tl-line{left:14px}
  .tl-item::before{left:6px}
  .footer-inner{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}