/* ============================================================
   Aerospace Engineering Consultants — Design System
   Deep-navy aerospace theme
   ============================================================ */

:root {
  --navy-900:#081426;
  --navy-800:#0A1B33;
  --navy-700:#0E2547;
  --navy-600:#123159;
  --steel-500:#2E4A73;
  --steel-400:#3B5C8A;
  --steel-300:#5B7BAA;
  --steel-200:#8CA6C9;
  --cyan:#35C4E8;
  --cyan-bright:#5FE0FF;
  --sky:#4FA8E0;
  --red:#E23B3B;
  --amber:#F2A03D;
  --ink:#0A1B33;
  --paper:#FFFFFF;
  --mist:#F4F7FC;
  --mist-2:#E9EFF7;
  --muted:#5C6B84;
  --line:rgba(11,31,58,.10);
  --line-dark:rgba(255,255,255,.12);
  --shadow-sm:0 2px 10px rgba(10,27,51,.06);
  --shadow-md:0 14px 40px rgba(10,27,51,.12);
  --shadow-lg:0 30px 70px rgba(8,20,38,.28);
  --radius:16px;
  --radius-sm:10px;
  --max:1200px;
  --ease:cubic-bezier(.16,.84,.44,1);
  --font-head:'Space Grotesk','Segoe UI',system-ui,sans-serif;
  --font-body:'Inter','Segoe UI',system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;line-height:1.1;letter-spacing:-.02em}

.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-body);font-weight:700;font-size:.72rem;
  letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--cyan);display:inline-block}
.eyebrow.center{justify-content:center}

.section{padding:110px 0}
.section.tight{padding:80px 0}
.section-head{max-width:720px;margin-bottom:56px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(2rem,4vw,3rem);color:var(--ink)}
.section-head p{margin-top:18px;font-size:1.08rem;color:var(--muted)}
.lead{font-size:1.15rem;color:var(--muted)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 30px;border-radius:100px;font-weight:600;font-size:.95rem;
  cursor:pointer;border:1.5px solid transparent;transition:all .3s var(--ease);
  font-family:var(--font-body);
}
.btn svg{width:16px;height:16px;transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--cyan);color:var(--navy-900);box-shadow:0 10px 30px rgba(53,196,232,.35)}
.btn-primary:hover{background:var(--cyan-bright);transform:translateY(-2px);box-shadow:0 16px 40px rgba(53,196,232,.45)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-dark{background:var(--navy-800);color:#fff}
.btn-dark:hover{background:var(--navy-700);transform:translateY(-2px)}
.btn-outline{border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--steel-400);color:var(--steel-400)}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  transition:all .35s var(--ease);
  background:rgba(8,20,38,.55);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.site-header.scrolled{background:rgba(8,20,38,.92);box-shadow:0 8px 30px rgba(0,0,0,.3)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.nav-logo{height:44px;width:auto}
.nav-menu{display:flex;align-items:center;gap:6px;list-style:none}
.nav-menu a{
  padding:10px 16px;font-weight:500;font-size:.94rem;color:rgba(255,255,255,.82);
  border-radius:8px;transition:all .2s;position:relative;
}
.nav-menu a:hover,.nav-menu a.active{color:#fff;background:rgba(255,255,255,.08)}
.nav-menu a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;background:var(--cyan);border-radius:2px;
}
.nav-cta{margin-left:12px;padding:11px 22px !important;background:var(--cyan);color:var(--navy-900) !important;font-weight:600}
.nav-cta:hover{background:var(--cyan-bright) !important}
/* dropdown */
.has-drop{position:relative}
.drop{
  position:absolute;top:calc(100% + 8px);left:0;min-width:250px;
  background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);padding:10px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:all .25s var(--ease);
  border:1px solid var(--line);
}
.has-drop:hover .drop{opacity:1;visibility:visible;transform:translateY(0)}
.drop a{display:block;color:var(--ink) !important;padding:11px 14px;border-radius:9px;font-size:.9rem}
.drop a:hover{background:var(--mist);color:var(--steel-400) !important}
.drop a b{display:block;font-family:var(--font-head);font-size:.92rem}
.drop a span{font-size:.78rem;color:var(--muted)}
.drop a.active::after{display:none}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.nav-toggle span{width:24px;height:2px;background:#fff;transition:.3s}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:92vh;display:flex;align-items:center;
  background:
    radial-gradient(1100px 600px at 78% -5%,rgba(53,196,232,.16),transparent 60%),
    radial-gradient(900px 500px at 0% 100%,rgba(59,92,138,.28),transparent 55%),
    linear-gradient(160deg,var(--navy-900),var(--navy-700) 55%,var(--navy-600));
  color:#fff;overflow:hidden;padding-top:76px;
}
.hero-grid-bg{position:absolute;inset:0;opacity:.5;
  background-image:
    linear-gradient(rgba(143,180,217,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(143,180,217,.07) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(circle at 60% 40%,#000,transparent 78%)}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:100px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  font-size:.78rem;font-weight:600;letter-spacing:.06em;margin-bottom:26px;color:#cfe3f5;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.hero h1{font-size:clamp(2.6rem,5.4vw,4.4rem);letter-spacing:-.03em}
.hero h1 .accent{
  background:linear-gradient(120deg,var(--cyan-bright),var(--cyan));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero .motto{font-style:italic;color:var(--cyan);font-size:1.15rem;margin:14px 0 8px;font-weight:500}
.hero p.sub{font-size:1.15rem;color:rgba(255,255,255,.78);max-width:520px;margin-top:18px}
.hero-cta{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.hero-tags{display:flex;gap:22px;margin-top:40px;flex-wrap:wrap;font-size:.85rem;color:rgba(255,255,255,.6)}
.hero-tags span{display:flex;align-items:center;gap:8px}
.hero-tags span::before{content:"";width:6px;height:6px;background:var(--cyan);border-radius:50%}

/* hero visual — radar / instrument */
.hero-visual{position:relative;justify-self:center;width:100%;max-width:420px;aspect-ratio:1;}
.radar{position:absolute;inset:0;border-radius:50%;
  background:radial-gradient(circle,rgba(53,196,232,.10),transparent 70%);
  border:1px solid rgba(143,180,217,.25)}
.radar::before,.radar::after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(143,180,217,.18)}
.radar::before{inset:16%}
.radar::after{inset:34%}
.radar-sweep{position:absolute;inset:0;border-radius:50%;overflow:hidden}
.radar-sweep::before{content:"";position:absolute;top:50%;left:50%;width:50%;height:50%;transform-origin:top left;
  background:conic-gradient(from 0deg,rgba(53,196,232,.42),transparent 40%);animation:sweep 4.5s linear infinite}
@keyframes sweep{to{transform:rotate(360deg)}}
.radar-cross{position:absolute;inset:0}
.radar-cross::before,.radar-cross::after{content:"";position:absolute;background:rgba(143,180,217,.18)}
.radar-cross::before{left:50%;top:0;bottom:0;width:1px}
.radar-cross::after{top:50%;left:0;right:0;height:1px}
.blip{position:absolute;width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan);animation:blip 4.5s ease-in-out infinite}
.blip.b1{top:30%;left:64%}
.blip.b2{top:60%;left:38%;animation-delay:1.4s}
.blip.b3{top:46%;left:72%;animation-delay:2.6s}
@keyframes blip{0%,100%{opacity:.2;transform:scale(.7)}50%{opacity:1;transform:scale(1)}}

/* ---------- Stats strip ---------- */
.stats{background:var(--navy-800);color:#fff;padding:0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:46px 30px;border-right:1px solid var(--line-dark);transition:background .3s}
.stat:last-child{border-right:0}
.stat:hover{background:var(--navy-700)}
.stat .num{font-family:var(--font-head);font-size:2.7rem;font-weight:700;color:var(--cyan);letter-spacing:-.02em}
.stat .lbl{margin-top:8px;font-size:.92rem;color:rgba(255,255,255,.72)}

/* ---------- Cards / capabilities ---------- */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;
  transition:all .35s var(--ease);position:relative;overflow:hidden;
}
.card::after{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--cyan),var(--sky));transition:width .4s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.card:hover::after{width:100%}
.card .ico{
  width:56px;height:56px;border-radius:14px;display:grid;place-items:center;margin-bottom:22px;
  background:linear-gradient(150deg,var(--navy-700),var(--steel-500));color:var(--cyan);
}
.card .ico svg{width:26px;height:26px}
.card h3{font-size:1.28rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.96rem}
.card .more{display:inline-flex;align-items:center;gap:7px;margin-top:18px;color:var(--steel-400);font-weight:600;font-size:.88rem}
.card .more svg{width:15px;height:15px;transition:transform .3s}
.card:hover .more svg{transform:translateX(4px)}

/* feature list */
.flist{list-style:none;margin-top:18px}
.flist li{position:relative;padding:9px 0 9px 30px;color:var(--muted);border-bottom:1px solid var(--line)}
.flist li:last-child{border-bottom:0}
.flist li::before{content:"";position:absolute;left:0;top:15px;width:14px;height:14px;border-radius:50%;
  background:rgba(53,196,232,.15);box-shadow:inset 0 0 0 4px var(--cyan)}

/* split section */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.panel{
  border-radius:var(--radius);padding:44px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(155deg,var(--navy-700),var(--navy-900));min-height:340px;
  display:flex;flex-direction:column;justify-content:center;
}
.panel .grid-bg{position:absolute;inset:0;opacity:.4;
  background-image:linear-gradient(rgba(143,180,217,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(143,180,217,.08) 1px,transparent 1px);
  background-size:40px 40px}

/* ---------- Why / edge ---------- */
.bg-mist{background:var(--mist)}
.edge{display:flex;gap:20px;align-items:flex-start;padding:26px;background:#fff;border-radius:var(--radius);border:1px solid var(--line);transition:.35s var(--ease)}
.edge:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.edge .en{font-family:var(--font-head);font-weight:700;color:var(--cyan);font-size:1.5rem;line-height:1;flex-shrink:0}
.edge h4{font-size:1.1rem;margin-bottom:6px}
.edge p{color:var(--muted);font-size:.94rem}

/* ---------- Clients ---------- */
.clients-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.client-chip{
  display:grid;place-items:center;text-align:center;padding:26px 16px;background:#fff;border:1px solid var(--line);
  border-radius:12px;font-family:var(--font-head);font-weight:600;color:var(--steel-500);font-size:.95rem;
  transition:.3s;min-height:96px;
}
.client-chip:hover{color:var(--navy-800);border-color:var(--steel-300);box-shadow:var(--shadow-sm);transform:translateY(-3px)}

/* ---------- Leadership ---------- */
.leader{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.35s var(--ease);display:flex;flex-direction:column}
.leader:hover{box-shadow:var(--shadow-md);transform:translateY(-5px)}
.leader-body{display:flex;flex-direction:column;flex:1}
.leader-link{margin-top:auto;padding-top:18px}
.leader-link a{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.86rem;color:var(--steel-400);transition:.2s}
.leader-link a:hover{color:#0A66C2}
.leader-link svg{width:18px;height:18px;flex-shrink:0}
.leader-top{background:linear-gradient(150deg,var(--navy-700),var(--navy-900));padding:34px;display:flex;gap:20px;align-items:center;color:#fff}
.leader-avatar{width:78px;height:78px;border-radius:50%;background:linear-gradient(150deg,var(--steel-400),var(--navy-600));display:grid;place-items:center;font-family:var(--font-head);font-weight:700;font-size:1.5rem;color:#fff;flex-shrink:0;border:2px solid rgba(53,196,232,.4);overflow:hidden}
.leader-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.leader-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.leader-tags span{background:var(--mist);color:var(--steel-500);font-size:.72rem;font-weight:600;padding:5px 11px;border-radius:100px}
.leader-top h3{font-size:1.3rem}
.leader-top .role{color:var(--cyan);font-size:.9rem;font-weight:600;margin-top:3px}
.leader-body{padding:28px 34px 34px}
.leader-body ul{list-style:none}
.leader-body li{position:relative;padding:8px 0 8px 24px;color:var(--muted);font-size:.94rem}
.leader-body li::before{content:"";position:absolute;left:0;top:16px;width:8px;height:8px;border-radius:2px;background:var(--cyan);transform:rotate(45deg)}

/* ---------- CTA band ---------- */
.cta-band{
  background:radial-gradient(800px 400px at 80% 0%,rgba(53,196,232,.2),transparent 60%),linear-gradient(150deg,var(--navy-800),var(--navy-900));
  color:#fff;border-radius:24px;padding:64px;text-align:center;position:relative;overflow:hidden;
}
.cta-band h2{font-size:clamp(1.8rem,3.6vw,2.7rem)}
.cta-band p{color:rgba(255,255,255,.75);max-width:560px;margin:16px auto 32px;font-size:1.08rem}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:22px}
.cinfo{display:flex;gap:16px;align-items:flex-start;padding:22px;background:#fff;border:1px solid var(--line);border-radius:14px}
.cinfo .ico{width:46px;height:46px;border-radius:11px;background:linear-gradient(150deg,var(--navy-700),var(--steel-500));display:grid;place-items:center;color:var(--cyan);flex-shrink:0}
.cinfo .ico svg{width:20px;height:20px}
.cinfo h4{font-size:1rem;margin-bottom:3px}
.cinfo p,.cinfo a{color:var(--muted);font-size:.93rem;word-break:break-word}
.cinfo a:hover{color:var(--cyan)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:20px}
.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:8px;color:var(--ink)}
.field input,.field textarea,.field select{
  width:100%;padding:14px 16px;border:1.5px solid var(--mist-2);border-radius:10px;font-family:var(--font-body);
  font-size:.95rem;transition:.2s;background:var(--mist);color:var(--ink);
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--cyan);background:#fff;box-shadow:0 0 0 4px rgba(53,196,232,.12)}
.field textarea{resize:vertical;min-height:130px}
.form-note{font-size:.82rem;color:var(--muted);margin-top:6px}

/* page hero (inner pages) */
.page-hero{
  background:
    radial-gradient(900px 500px at 85% -20%,rgba(53,196,232,.18),transparent 60%),
    linear-gradient(160deg,var(--navy-900),var(--navy-700));
  color:#fff;padding:150px 0 80px;position:relative;overflow:hidden;
}
.page-hero .grid-bg{position:absolute;inset:0;opacity:.4;
  background-image:linear-gradient(rgba(143,180,217,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(143,180,217,.07) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(circle at 70% 30%,#000,transparent 80%)}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{font-size:clamp(2.3rem,4.6vw,3.6rem)}
.page-hero p{color:rgba(255,255,255,.75);max-width:620px;margin-top:18px;font-size:1.12rem}
.crumb{font-size:.85rem;color:rgba(255,255,255,.55);margin-bottom:18px}
.crumb a:hover{color:var(--cyan)}

/* blog */
.post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.35s var(--ease);display:flex;flex-direction:column}
.post:hover{box-shadow:var(--shadow-md);transform:translateY(-5px)}
.post-img{height:190px;background:linear-gradient(150deg,var(--navy-700),var(--steel-500));position:relative;overflow:hidden}
.post-img .grid-bg{position:absolute;inset:0;opacity:.5;background-image:linear-gradient(rgba(143,180,217,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(143,180,217,.12) 1px,transparent 1px);background-size:30px 30px}
.post-img .tag{position:absolute;top:16px;left:16px;background:rgba(8,20,38,.6);color:var(--cyan);padding:6px 12px;border-radius:100px;font-size:.72rem;font-weight:600;letter-spacing:.05em;backdrop-filter:blur(6px)}
.post-body{padding:26px;flex:1;display:flex;flex-direction:column}
.post-body .meta{font-size:.8rem;color:var(--muted);margin-bottom:10px}
.post-body h3{font-size:1.2rem;margin-bottom:10px}
.post-body p{color:var(--muted);font-size:.93rem;flex:1}
.post-body .more{margin-top:16px;color:var(--steel-400);font-weight:600;font-size:.88rem;display:inline-flex;gap:6px;align-items:center}
.post-body .more svg{width:15px;height:15px;flex-shrink:0;transition:transform .3s}
.post:hover .more svg{transform:translateX(4px)}

/* ---------- Footer ---------- */
.footer{background:var(--navy-900);color:rgba(255,255,255,.7);padding:72px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid var(--line-dark)}
.footer h5{color:#fff;font-family:var(--font-head);font-size:.95rem;margin-bottom:18px;letter-spacing:.02em}
.footer ul{list-style:none}
.footer li{margin-bottom:11px}
.footer a{font-size:.9rem;transition:.2s}
.footer a:hover{color:var(--cyan)}
.footer-brand p{font-size:.92rem;margin-top:18px;max-width:280px}
.footer-motto{color:var(--cyan);font-style:italic;margin-top:14px;font-size:.92rem}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;font-size:.82rem;color:rgba(255,255,255,.5);flex-wrap:wrap;gap:12px}

/* reveal animation (only when JS is active) */
html.js .reveal{opacity:0;transform:translateY(28px)}
.reveal{transition:opacity .7s var(--ease),transform .7s var(--ease)}
html.js .reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}.reveal.d5{transition-delay:.4s}

/* ---------- Responsive ---------- */
@media(max-width:1024px){
  .hero .wrap{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:340px;grid-row:1}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .contact-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:840px){
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;top:76px;right:0;width:min(320px,86vw);height:calc(100vh - 76px);
    background:var(--navy-900);flex-direction:column;align-items:stretch;gap:4px;padding:22px;
    transform:translateX(105%);transition:transform .35s var(--ease);box-shadow:var(--shadow-lg);
    overflow-y:auto;
  }
  .nav-menu.open{transform:translateX(0)}
  .nav-menu a{padding:14px 16px;font-size:1rem}
  .drop{position:static;opacit