/* RAST ELECTRONIC — brand system
   Type: Space Grotesk (display), Inter (text), JetBrains Mono (technical labels)
   Color: Deep Field navy, Signal Cyan, Mil Amber */
:root{
  --bg:#060A13; --bg-2:#0A1120; --panel:#0E1729; --panel-2:#13203A;
  --line:#1E2C47; --line-2:#2A3C5E;
  --text:#E6EDF7; --muted:#93A3BC; --dim:#64748B;
  --cyan:#22D3EE; --cyan-2:#0EA5C6; --amber:#F5A524; --green:#34D399;
  --radius:14px; --max:1200px;
  --f-display:'Space Grotesk',system-ui,sans-serif;
  --f-text:'Inter',system-ui,sans-serif;
  --f-mono:'JetBrains Mono',ui-monospace,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font:16px/1.65 var(--f-text);-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;opacity:.18;mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 75%)}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:var(--f-display);line-height:1.12;letter-spacing:-.02em;font-weight:700}
h1{font-size:clamp(2.3rem,5.4vw,4.2rem)}
h2{font-size:clamp(1.8rem,3.4vw,2.7rem)}
h3{font-size:1.2rem}
p{color:var(--muted)}
.lead{font-size:1.15rem;max-width:62ch}
.tag{font:500 .75rem/1 var(--f-mono);letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);display:inline-flex;align-items:center;gap:10px;margin-bottom:18px}
.tag::before{content:"//";color:var(--amber)}
.grad{background:linear-gradient(90deg,var(--cyan),#7DD3FC 55%,var(--amber));-webkit-background-clip:text;background-clip:text;color:transparent}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:10px;font:600 .95rem var(--f-display);letter-spacing:.01em;border:1px solid transparent;transition:.2s}
.btn-primary{background:var(--cyan);color:#04111A;box-shadow:0 0 0 0 rgba(34,211,238,.4)}
.btn-primary:hover{background:#67E8F9;box-shadow:0 8px 30px -6px rgba(34,211,238,.55)}
.btn-ghost{border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn svg{width:16px;height:16px}

/* header */
.topbar{border-bottom:1px solid var(--line);background:#050810;font:500 .74rem var(--f-mono);color:var(--dim);letter-spacing:.06em}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:8px;padding-bottom:8px}
.topbar b{color:var(--green);font-weight:500}
header.site{position:sticky;top:0;z-index:50;background:rgba(6,10,19,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand img{height:42px;width:auto}
nav.main{display:flex;gap:4px;align-items:center}
nav.main a{padding:9px 14px;border-radius:8px;font:500 .93rem var(--f-display);color:var(--muted)}
nav.main a:hover,nav.main a.active{color:var(--text);background:var(--panel)}
nav.main a.active{color:var(--cyan)}
nav.main .btn{margin-left:10px;padding:10px 18px;color:#04111A}
.burger{display:none;background:none;border:1px solid var(--line-2);border-radius:8px;width:44px;height:44px;color:var(--text);cursor:pointer}

/* hero */
.hero{position:relative;padding:96px 0 80px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero h1{margin-bottom:22px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-visual{position:relative;aspect-ratio:1/1;border:1px solid var(--line);border-radius:22px;background:radial-gradient(circle at 50% 45%,rgba(34,211,238,.14),transparent 62%),var(--bg-2);overflow:hidden}
.hero-visual svg{width:100%;height:100%}
.trace{stroke-dasharray:6 10;animation:flow 3s linear infinite}
@keyframes flow{to{stroke-dashoffset:-160}}
.pulse{animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{50%{opacity:.25}}
.readout{position:absolute;left:18px;right:18px;bottom:18px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.readout div{background:rgba(6,10,19,.85);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:500 .7rem var(--f-mono);color:var(--dim);letter-spacing:.06em}
.readout b{display:block;color:var(--cyan);font-size:.85rem;margin-top:3px}

/* page hero */
.page-hero{padding:84px 0 56px;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);max-width:20ch;margin-bottom:18px}
.crumb{font:500 .75rem var(--f-mono);color:var(--dim);letter-spacing:.1em;margin-bottom:22px}
.crumb a{color:var(--muted)}

/* sections */
section{padding:92px 0}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:48px;flex-wrap:wrap}
.sec-head p{max-width:52ch}
.alt{background:linear-gradient(180deg,var(--bg-2),var(--bg));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:linear-gradient(180deg,var(--panel),var(--bg-2));border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s;position:relative}
.card:hover{border-color:var(--line-2);transform:translateY(-3px)}
.card h3{margin:16px 0 10px}
.card p{font-size:.95rem}
.ico{width:46px;height:46px;border-radius:11px;display:grid;place-items:center;background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.25);color:var(--cyan)}
.ico svg{width:22px;height:22px}
.card .num{position:absolute;top:24px;right:26px;font:500 .75rem var(--f-mono);color:var(--dim)}
.card ul{list-style:none;margin-top:14px}
.card li{font-size:.9rem;color:var(--muted);padding:6px 0 6px 20px;position:relative;border-top:1px dashed var(--line)}
.card li::before{content:"";position:absolute;left:2px;top:15px;width:7px;height:7px;border:1.5px solid var(--cyan);border-radius:2px}

/* badges strip */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2);padding:26px 0}
.strip .wrap{display:flex;align-items:center;gap:28px;flex-wrap:wrap;justify-content:space-between}
.strip .lbl{font:500 .72rem var(--f-mono);letter-spacing:.14em;color:var(--dim);text-transform:uppercase;max-width:200px}
.badges{display:flex;gap:12px;flex-wrap:wrap}
.badge{font:600 .8rem var(--f-mono);padding:9px 14px;border:1px solid var(--line-2);border-radius:8px;color:var(--text);background:var(--panel)}
.badge i{font-style:normal;color:var(--amber);margin-right:6px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat{padding:30px;border-right:1px solid var(--line);background:var(--panel)}
.stat:last-child{border-right:0}
.stat b{display:block;font:700 2.3rem var(--f-display);color:var(--text)}
.stat b em{font-style:normal;color:var(--cyan)}
.stat span{font-size:.88rem;color:var(--muted)}

/* defense spotlight */
.spot{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.spot-panel{border:1px solid rgba(245,165,36,.35);border-radius:20px;padding:34px;background:linear-gradient(160deg,rgba(245,165,36,.08),transparent 55%),var(--panel)}
.spot-panel h4{font:600 .78rem var(--f-mono);letter-spacing:.14em;color:var(--amber);margin-bottom:18px}
.check{list-style:none}
.check li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);color:var(--text);font-size:.95rem}
.check li:last-child{border:0}
.check li::before{content:"✓";color:var(--green);font-weight:700}
.check small{display:block;color:var(--muted);font-size:.85rem}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s;position:relative}
.step{padding:30px 26px;border:1px solid var(--line);margin-left:-1px;background:var(--panel)}
.step:first-child{border-radius:var(--radius) 0 0 var(--radius)}.step:last-child{border-radius:0 var(--radius) var(--radius) 0}
.step::before{counter-increment:s;content:"0" counter(s);font:600 .8rem var(--f-mono);color:var(--cyan);display:block;margin-bottom:22px}
.step h3{margin-bottom:8px}.step p{font-size:.92rem}

/* table */
.tbl{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:.94rem}
.tbl th,.tbl td{text-align:left;padding:16px 20px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{font:600 .74rem var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--dim);background:var(--bg-2)}
.tbl td{background:var(--panel);color:var(--muted)}
.tbl td:first-child{color:var(--text);font-weight:600;font-family:var(--f-display);white-space:nowrap}
.st{font:600 .72rem var(--f-mono);padding:5px 9px;border-radius:6px;white-space:nowrap;letter-spacing:.04em}
.st-ok{color:var(--green);background:rgba(52,211,153,.1);border:1px solid rgba(52,211,153,.3)}
.st-prog{color:var(--amber);background:rgba(245,165,36,.1);border:1px solid rgba(245,165,36,.3)}
.st-plan{color:var(--cyan);background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.28)}

/* story / timeline */
.story{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}
.story .prose p{margin-bottom:18px;font-size:1.04rem}
.story .prose p:first-child::first-letter{font:700 3.4rem/.9 var(--f-display);float:left;margin:6px 12px 0 0;color:var(--cyan)}
.quote{border-left:3px solid var(--amber);padding:6px 0 6px 22px;margin:28px 0;font:500 1.25rem/1.5 var(--f-display);color:var(--text)}
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:1px;background:linear-gradient(var(--cyan),var(--line))}
.tl{position:relative;padding-bottom:30px}
.tl::before{content:"";position:absolute;left:-28px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid var(--cyan)}
.tl b{font:600 .75rem var(--f-mono);color:var(--amber);letter-spacing:.1em}
.tl h3{margin:6px 0}
.tl p{font-size:.93rem}
.sign{display:flex;gap:16px;align-items:center;margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}
.avatar{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;font:700 1.1rem var(--f-display);background:var(--panel);border:1px solid var(--line-2);color:#fff}
.sign b{display:block;font-family:var(--f-display)}
.sign span{font-size:.85rem;color:var(--muted)}

/* faq */
.faq details{border:1px solid var(--line);border-radius:12px;background:var(--panel);margin-bottom:12px}
.faq summary{cursor:pointer;padding:20px 24px;font:600 1.02rem var(--f-display);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";color:var(--cyan);font-size:1.3rem;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 24px 22px}

/* cta band */
.band{border:1px solid var(--line-2);border-radius:22px;padding:56px;display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap;
  background:radial-gradient(circle at 90% 10%,rgba(34,211,238,.18),transparent 45%),radial-gradient(circle at 0% 100%,rgba(245,165,36,.1),transparent 45%),var(--panel)}
.band h2{max-width:22ch}

/* forms */
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form .full{grid-column:1/-1}
.form label{font:500 .74rem var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--dim);display:block;margin-bottom:7px}
.form input,.form select,.form textarea{width:100%;background:var(--bg-2);border:1px solid var(--line-2);border-radius:10px;padding:13px 14px;color:var(--text);font:inherit;font-size:.95rem}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.15)}
.form textarea{min-height:130px;resize:vertical;font-family:var(--f-mono);font-size:.85rem}
.note{font-size:.82rem;color:var(--dim)}
.ok-msg{display:none;padding:16px;border-radius:10px;border:1px solid rgba(52,211,153,.4);color:var(--green);background:rgba(52,211,153,.08)}

/* footer */
footer.site{border-top:1px solid var(--line);background:#04070E;padding:68px 0 28px;margin-top:40px}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.fgrid h4{font:600 .75rem var(--f-mono);letter-spacing:.14em;color:var(--dim);text-transform:uppercase;margin-bottom:16px}
.fgrid a{display:block;color:var(--muted);font-size:.93rem;padding:4px 0}
.fgrid a:hover{color:var(--cyan)}
.fgrid p{font-size:.92rem;margin-top:16px;max-width:36ch}
.fbot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:52px;padding-top:24px;border-top:1px solid var(--line);font:500 .76rem var(--f-mono);color:var(--dim)}

/* reveal */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s,transform .7s}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}.trace,.pulse{animation:none}}

/* responsive */
@media(max-width:1000px){
  .hero .wrap,.spot,.story{grid-template-columns:1fr}
  .g4,.steps{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .step{margin:0 0 -1px 0;border-radius:0!important}
  .fgrid{grid-template-columns:1fr 1fr}
  .burger{display:grid;place-items:center}
  nav.main{display:none;position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--bg-2);border-bottom:1px solid var(--line);padding:14px 24px 22px}
  nav.main.open{display:flex}
  nav.main .btn{margin:10px 0 0;justify-content:center}
}
@media(max-width:640px){
  .wrap{padding:0 16px}
  section{padding:68px 0}
  .g2,.g3,.g4,.steps,.form,.fgrid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}.stat{border-right:0;border-bottom:1px solid var(--line)}
  .band{padding:34px 24px}
  .topbar .hide-m{display:none}
  .tbl-wrap{overflow-x:auto}
  .readout{grid-template-columns:1fr 1fr}.readout div:last-child{display:none}
}