@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800&display=swap');
:root{--acid:#9dff00;--lime:#63c900;--ink:#030605;--panel:rgba(4,9,7,.84);--line:rgba(190,255,130,.22);--muted:#aab5ad}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:#020403;color:#f2f7f3;font-family:Inter,system-ui,sans-serif;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.87),rgba(0,8,0,.42)),url("assets/cyber-lab.png") center/cover fixed;filter:saturate(1.08) contrast(1.05);z-index:-5}
body:after{content:"";position:fixed;inset:0;background:radial-gradient(circle at 50% 20%,rgba(154,255,0,.12),transparent 28%),linear-gradient(180deg,transparent 55%,rgba(0,0,0,.92));z-index:-4;pointer-events:none}
.scanlines{position:fixed;inset:0;z-index:20;pointer-events:none;opacity:.07;background:repeating-linear-gradient(0deg,transparent 0 3px,#fff 4px);mix-blend-mode:overlay}
.wrap{width:min(1080px,calc(100% - 28px));margin:auto;padding:28px 0 40px}
.glass{background:var(--panel);border:1px solid var(--line);border-radius:24px;box-shadow:0 0 50px rgba(100,255,0,.06),inset 0 0 30px rgba(255,255,255,.015);backdrop-filter:blur(12px)}
.hero{text-align:center;padding:32px 20px 26px;position:relative;overflow:hidden}
.eyebrow{font-size:12px;letter-spacing:7px;color:#d5ddd7}.eyebrow span{color:var(--acid);text-shadow:0 0 12px var(--acid);margin:0 10px}
h1{font-size:clamp(54px,11vw,118px);letter-spacing:10px;margin:18px 0 0;line-height:.9;text-shadow:0 0 15px rgba(255,255,255,.25),0 0 35px rgba(145,255,0,.35)}h1 b{color:var(--acid)}
.hero p{color:#aeb9b2;letter-spacing:4px}.status{display:inline-flex;gap:10px;align-items:center;margin-top:12px;color:#b8c5bd;font-size:12px;letter-spacing:3px}.status i{width:8px;height:8px;border-radius:50%;background:var(--acid);box-shadow:0 0 14px var(--acid);animation:blink 1.3s infinite}.status strong{color:var(--acid)}
.links,.calculator,.interactive{margin-top:18px;padding:28px}.section-title{text-align:center;font-weight:800;font-size:22px;letter-spacing:3px;text-shadow:0 0 18px rgba(160,255,0,.2);margin-bottom:18px}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.link-card{display:flex;align-items:center;gap:14px;text-decoration:none;color:#f5f7f5;border:1px solid rgba(180,220,190,.2);background:rgba(5,9,8,.76);border-radius:17px;padding:18px;transition:.25s;position:relative;overflow:hidden}
.link-card:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent,rgba(157,255,0,.13),transparent);transform:translateX(-110%);transition:.5s}.link-card:hover{transform:translateY(-3px);border-color:var(--acid);box-shadow:0 0 24px rgba(157,255,0,.24),inset 0 0 20px rgba(157,255,0,.06)}.link-card:hover:before{transform:translateX(110%)}.link-card .icon{font-size:25px}.link-card span:nth-child(2){flex:1}.link-card b{display:block;font-size:15px}.link-card small{display:block;color:#8d9991;margin-top:5px}.link-card em{font-style:normal;font-size:23px;color:var(--acid)}
.muted{color:var(--muted);text-align:center;font-size:13px}.calc{max-width:620px;margin:auto;border:1px solid rgba(157,255,0,.22);border-radius:20px;padding:22px;background:rgba(2,6,4,.75)}
label{display:block;font-weight:700;margin:0 0 22px;color:#e5ebe7}select,input[type=range]{width:100%;margin-top:9px}select{padding:14px 16px;background:#070b09;color:#fff;border:1px solid #54753e;border-radius:12px;font-size:15px;outline:none}input[type=range]{accent-color:var(--acid);cursor:pointer}output{float:right;color:var(--acid);font-weight:800}
.result{border-top:1px solid rgba(157,255,0,.2);padding-top:20px;text-align:center}.result span{font-size:12px;letter-spacing:4px;color:#a9b5ad}.result strong{display:block;font-size:42px;margin-top:8px;color:#f7fff7;text-shadow:0 0 20px rgba(157,255,0,.35)}
.pulse-btn{display:block;margin:0 auto 18px;border:1px solid var(--acid);background:#070b08;color:#f4fff5;padding:14px 24px;border-radius:12px;font-weight:800;letter-spacing:2px;cursor:pointer;box-shadow:0 0 14px rgba(157,255,0,.12);transition:.25s}.pulse-btn:hover{background:rgba(157,255,0,.1);box-shadow:0 0 30px rgba(157,255,0,.35);transform:scale(1.03)}
.pulse-box{height:160px;border:1px solid rgba(157,255,0,.2);border-radius:17px;display:grid;place-items:center;position:relative;overflow:hidden;background:radial-gradient(circle at 50% 50%,rgba(157,255,0,.08),transparent 42%)}.pulse-box:before,.pulse-box:after{content:"";position:absolute;width:10px;height:10px;border:1px solid var(--acid);border-radius:50%;opacity:0}.pulse-box.active:before{animation:ring 1.5s ease-out infinite}.pulse-box.active:after{animation:ring 1.5s .45s ease-out infinite}.pulse-box span{font-size:12px;letter-spacing:5px;color:#829086}
footer{text-align:center;color:#77847b;font-size:11px;letter-spacing:4px;padding:25px}footer span{color:var(--acid)}
@keyframes blink{50%{opacity:.3}}@keyframes ring{0%{width:10px;height:10px;opacity:.8}100%{width:420px;height:420px;opacity:0}}
.particles{position:fixed;inset:0;pointer-events:none;z-index:-1}.particle{position:absolute;width:3px;height:3px;background:var(--acid);border-radius:50%;box-shadow:0 0 10px var(--acid);animation:float linear infinite;opacity:.55}@keyframes float{from{transform:translateY(110vh);opacity:0}20%{opacity:.7}to{transform:translateY(-10vh);opacity:0}}
@media(max-width:700px){.wrap{width:min(100% - 14px,560px);padding-top:10px}.grid{grid-template-columns:1fr}.links,.calculator,.interactive{padding:18px}.hero{padding:25px 14px}h1{letter-spacing:5px}.eyebrow{letter-spacing:3px}.link-card{padding:15px}.result strong{font-size:36px}}