/* ============================================================
   justmake82 — Air · Space · Optronics · Defense
   Pure CSS — no frameworks
   ============================================================ */
:root{
  --navy-900:#040d1c;
  --navy-800:#06152c;
  --navy-700:#0a2545;
  --navy-600:#0d2f57;
  --blue-500:#1b6fd1;
  --blue-400:#3aa0ff;
  --blue-300:#7cc4ff;
  --ice:#cfe8ff;
  --text:#e7f0fb;
  --text-dim:#9db4cf;
  --text-mute:#6a82a0;
  --line:rgba(124,196,255,.14);
  --card:rgba(13,47,87,.45);
  --maxw:1140px;
  --r:16px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,Segoe UI,Arial,sans-serif;
  background:var(--navy-900);
  color:var(--text);
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.brand,.stat-num{font-family:'Sora',system-ui,sans-serif;line-height:1.12}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ===== animated backdrop ===== */
#bg-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:-2;
  background:
    radial-gradient(1200px 600px at 75% -10%, rgba(27,111,209,.30), transparent 60%),
    radial-gradient(900px 500px at 10% 10%, rgba(58,160,255,.14), transparent 55%),
    linear-gradient(180deg,var(--navy-900),var(--navy-800) 40%,var(--navy-900));
}

/* ===== header ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;
  transition:background .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
  border-bottom:1px solid transparent;}
.site-header.scrolled{background:rgba(6,21,44,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);box-shadow:0 8px 30px rgba(0,0,0,.35)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand-logo{height:42px;width:auto;filter:drop-shadow(0 2px 8px rgba(0,0,0,.4))}
/* render dark wordmark legible on dark bg */
.brand-logo{background:transparent}
.nav{display:flex;align-items:center;gap:32px}
.nav a{color:var(--text-dim);font-size:.95rem;font-weight:500;position:relative;transition:color .25s}
.nav a:not(.nav-cta)::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;
  background:linear-gradient(90deg,var(--blue-400),var(--blue-300));transition:width .3s var(--ease)}
.nav a:hover{color:#fff}
.nav a:not(.nav-cta):hover::after{width:100%}
.nav-cta{padding:9px 20px;border:1px solid var(--blue-400);border-radius:40px;color:#fff;
  background:rgba(27,111,209,.12);transition:all .25s}
.nav-cta:hover{background:var(--blue-500);box-shadow:0 8px 22px rgba(27,111,209,.45)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:2px;background:var(--text);border-radius:2px;transition:.3s var(--ease)}

/* ===== hero ===== */
.hero{position:relative;padding:170px 0 110px;text-align:center}
.hero-inner{display:flex;flex-direction:column;align-items:center}
.eyebrow{letter-spacing:5px;font-size:.78rem;font-weight:600;color:var(--blue-300);margin-bottom:22px}
.hero-title{font-size:clamp(2.4rem,6vw,4.4rem);font-weight:800;letter-spacing:-.5px}
.grad{background:linear-gradient(100deg,var(--blue-300),var(--blue-400) 45%,#a8d4ff);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{max-width:640px;color:var(--text-dim);font-size:1.12rem;margin:26px auto 0}
.hero-actions{display:flex;gap:16px;margin-top:38px;flex-wrap:wrap;justify-content:center}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:44px;
  font-weight:600;font-size:1rem;transition:all .28s var(--ease);cursor:pointer;border:1px solid transparent}
.btn-primary{background:linear-gradient(100deg,var(--blue-500),var(--blue-400));color:#fff;
  box-shadow:0 10px 30px rgba(27,111,209,.4)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(27,111,209,.55)}
.btn-ghost{border-color:var(--line);color:var(--text);background:rgba(124,196,255,.05)}
.btn-ghost:hover{border-color:var(--blue-400);background:rgba(124,196,255,.1);transform:translateY(-3px)}

.hero-stats{display:flex;gap:18px;margin-top:64px;flex-wrap:wrap;justify-content:center}
.stat{min-width:170px;padding:22px 26px;border:1px solid var(--line);border-radius:var(--r);
  background:var(--card);backdrop-filter:blur(8px);text-align:center}
.stat-num{display:block;font-size:2.3rem;font-weight:800;
  background:linear-gradient(100deg,var(--blue-300),var(--blue-400));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.stat-num.stat-text{font-size:1.55rem;padding-top:6px}
.stat-label{display:block;color:var(--text-mute);font-size:.82rem;margin-top:6px;letter-spacing:.3px}
.hero-fade{position:absolute;bottom:0;left:0;right:0;height:120px;
  background:linear-gradient(180deg,transparent,var(--navy-900))}

/* ===== sections ===== */
.section{padding:100px 0;position:relative}
.section-alt{background:linear-gradient(180deg,transparent,rgba(10,37,69,.45),transparent)}
.section-head{max-width:680px;margin:0 auto 56px;text-align:center}
.kicker{display:inline-block;letter-spacing:3px;font-size:.74rem;font-weight:700;
  color:var(--blue-300);text-transform:uppercase;margin-bottom:14px}
.section h2{font-size:clamp(1.7rem,3.6vw,2.6rem);font-weight:700;letter-spacing:-.4px}
.section-lead{color:var(--text-dim);font-size:1.08rem;margin-top:16px}

/* ===== cards ===== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{padding:34px 30px;border:1px solid var(--line);border-radius:var(--r);
  background:var(--card);backdrop-filter:blur(8px);transition:transform .35s var(--ease),border-color .35s,box-shadow .35s}
.card:hover{transform:translateY(-6px);border-color:rgba(58,160,255,.4);
  box-shadow:0 20px 50px rgba(0,0,0,.4)}
.card-icon{width:58px;height:58px;border-radius:14px;display:grid;place-items:center;color:var(--blue-300);
  background:linear-gradient(135deg,rgba(27,111,209,.25),rgba(58,160,255,.08));
  border:1px solid var(--line);margin-bottom:22px}
.card-icon svg{width:30px;height:30px}
.card h3{font-size:1.3rem;margin-bottom:10px}
.card p{color:var(--text-dim);font-size:.98rem}

/* ===== approach ===== */
.approach-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.checklist{list-style:none;margin-top:28px;display:flex;flex-direction:column;gap:16px}
.checklist li{display:flex;gap:14px;align-items:flex-start;color:var(--text-dim)}
.checklist li::before{content:"";flex:0 0 22px;height:22px;margin-top:2px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,var(--blue-300),var(--blue-500));
  box-shadow:0 0 0 4px rgba(58,160,255,.12)}
.checklist li::before{position:relative}
.checklist li span{padding-top:1px}

.approach-visual{display:grid;place-items:center;min-height:340px}
.orbit{position:relative;width:300px;height:300px}
.orbit-core{position:absolute;inset:0;margin:auto;width:62px;height:62px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#a8d4ff,var(--blue-500));
  box-shadow:0 0 40px rgba(58,160,255,.6),0 0 0 10px rgba(58,160,255,.08);
  top:50%;left:50%;transform:translate(-50%,-50%)}
.orbit-ring{position:absolute;top:50%;left:50%;border:1px solid var(--line);border-radius:50%;
  transform:translate(-50%,-50%)}
.ring-1{width:140px;height:140px;animation:spin 9s linear infinite}
.ring-2{width:220px;height:220px;border-color:rgba(124,196,255,.18);animation:spin 16s linear infinite reverse}
.ring-3{width:300px;height:300px;border-color:rgba(124,196,255,.1);animation:spin 26s linear infinite}
.orbit-ring .dot{position:absolute;top:-5px;left:50%;width:10px;height:10px;border-radius:50%;
  background:var(--blue-300);box-shadow:0 0 14px var(--blue-300);transform:translateX(-50%)}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}

/* ===== about ===== */
.about-inner{max-width:780px;margin:0 auto;text-align:center}
.about-text{color:var(--text-dim);font-size:1.12rem;margin-top:18px}
.about-text strong{color:#fff;font-weight:600}

/* ===== contact ===== */
.section-contact{padding:110px 0;text-align:center}
.contact-inner{max-width:620px;margin:0 auto}
.email-pill{display:inline-flex;align-items:center;gap:12px;margin-top:30px;padding:16px 30px;
  border-radius:48px;font-family:'Sora',sans-serif;font-weight:600;font-size:1.12rem;color:#fff;
  background:linear-gradient(100deg,var(--blue-500),var(--blue-400));
  box-shadow:0 12px 34px rgba(27,111,209,.45);transition:all .3s var(--ease)}
.email-pill:hover{transform:translateY(-4px);box-shadow:0 20px 46px rgba(27,111,209,.6)}
.email-pill svg{stroke:#fff}

/* ===== footer ===== */
.site-footer{border-top:1px solid var(--line);padding:46px 0;background:rgba(4,13,28,.6)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.footer-brand img{height:40px;width:auto}
.footer-tag{color:var(--text-mute);font-size:.85rem;margin-top:8px}
.footer-meta{text-align:right;color:var(--text-mute);font-size:.85rem;line-height:1.8}

/* ===== reveal animation ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ===== responsive ===== */
@media(max-width:860px){
  .nav{position:fixed;top:74px;right:0;left:0;flex-direction:column;gap:0;
    background:rgba(6,21,44,.97);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);
    padding:0 24px;max-height:0;overflow:hidden;transition:max-height .4s var(--ease),padding .4s}
  .nav.open{max-height:360px;padding:18px 24px 26px}
  .nav a{width:100%;padding:14px 0;border-bottom:1px solid var(--line)}
  .nav a:not(.nav-cta)::after{display:none}
  .nav-cta{text-align:center;margin-top:14px;border-radius:40px}
  .nav-toggle{display:flex}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .cards{grid-template-columns:1fr;gap:18px}
  .approach-grid{grid-template-columns:1fr;gap:40px}
  .approach-visual{order:-1}
  .footer-inner{flex-direction:column;text-align:center}
  .footer-meta{text-align:center}
}
@media(max-width:520px){
  .hero{padding:140px 0 80px}
  .section{padding:74px 0}
  .stat{min-width:140px;flex:1}
  .hero-stats{gap:12px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}