/* ============================================================
   ADA Station Communication — "Fiber & Steel" design system
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Saira+Condensed:wght@500;600;700;800&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --bg:#0A0E12;            /* near-black base */
  --bg-2:#0D141C;          /* panel */
  --bg-3:#111C27;          /* raised panel */
  --navy:#16212E;
  --brand-navy:#2B3A4A;
  --teal:#159A9C;          /* brand */
  --teal-bright:#2FE3E3;   /* glow accent */
  --teal-dim:#0E6B6D;
  --ink:#F4F8FA;           /* headline white */
  --steel:#AEBECB;         /* body */
  --steel-dim:#71828F;     /* muted */
  --line:rgba(122,152,170,.16);
  --line-strong:rgba(47,227,227,.35);
  --glow:0 0 40px rgba(47,227,227,.22);
  --maxw:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-display:'Saira Condensed',system-ui,sans-serif;
  --font-body:'IBM Plex Sans',system-ui,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);color:var(--steel);
  font-family:var(--font-body);font-size:17px;line-height:1.7;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* background atmosphere: technical grid + teal glow, fixed */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(900px 600px at 82% -5%, rgba(21,154,156,.18), transparent 60%),
    radial-gradient(700px 500px at -5% 20%, rgba(43,58,74,.5), transparent 60%),
    var(--bg);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(122,152,170,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(122,152,170,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 100% 70% at 50% 0%, #000 40%, transparent 100%);
}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
section{position:relative}

/* ---------- Typography helpers ---------- */
.eyebrow{
  font-family:var(--font-mono);font-size:12.5px;font-weight:500;
  letter-spacing:.24em;text-transform:uppercase;color:var(--teal-bright);
  display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--teal);display:inline-block}
h1,h2,h3{font-family:var(--font-display);color:var(--ink);line-height:1.02;letter-spacing:.005em;text-transform:uppercase;font-weight:700}
h2.section-title{font-size:clamp(34px,5vw,58px);margin:14px 0 18px}
.lead{font-size:clamp(17px,2vw,20px);color:var(--steel);max-width:62ch}
.mono{font-family:var(--font-mono)}
.teal{color:var(--teal-bright)}

/* ---------- Buttons ---------- */
.btn{
  --pad:15px 28px;
  display:inline-flex;align-items:center;gap:11px;padding:var(--pad);
  font-family:var(--font-mono);font-size:13.5px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
  border:1px solid var(--line-strong);color:var(--ink);background:rgba(47,227,227,.06);
  cursor:pointer;transition:.35s var(--ease);position:relative;overflow:hidden;clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px)
}
.btn .arw{transition:transform .35s var(--ease)}
.btn:hover{background:var(--teal);border-color:var(--teal);color:#00191a;box-shadow:var(--glow)}
.btn:hover .arw{transform:translateX(5px)}
.btn.solid{background:var(--teal);border-color:var(--teal);color:#00191a}
.btn.solid:hover{background:var(--teal-bright);border-color:var(--teal-bright)}
.btn.ghost{background:transparent}

/* ---------- Header ---------- */
header.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:.4s var(--ease);
  border-bottom:1px solid transparent;
}
header.nav.scrolled{background:rgba(10,14,18,.82);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:16px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:13px}
.brand img{height:42px;width:auto;opacity:1}
.brand .bt{font-family:var(--font-display);font-weight:700;font-size:20px;color:var(--ink);text-transform:uppercase;letter-spacing:.04em;line-height:1}
.brand .bt small{display:block;font-family:var(--font-mono);font-size:9.5px;letter-spacing:.28em;color:var(--teal-bright);text-transform:uppercase;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{font-family:var(--font-mono);font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);transition:.25s;position:relative;padding:6px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--teal-bright);transition:.3s var(--ease)}
.nav-links a:hover{color:var(--ink)}.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:var(--ink)}
.nav-cta{display:inline-flex}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:26px;height:2px;background:var(--ink);transition:.3s}

/* ---------- Hero ---------- */
.hero{min-height:100svh;display:flex;align-items:center;padding:184px 0 80px;position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-1}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.5}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--bg) 8%,rgba(10,14,18,.55) 48%,rgba(10,14,18,.25) 100%),linear-gradient(0deg,var(--bg),transparent 40%)}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding:0 28px;width:100%}
.hero h1{font-size:clamp(46px,7.6vw,92px);font-weight:800;letter-spacing:0;margin:16px 0}
.hero h1 .stroke{color:transparent;-webkit-text-stroke:1.4px var(--teal);}
.hero .lead{margin:22px 0 34px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.corner{position:absolute;width:34px;height:34px;border:1px solid var(--line-strong)}
.corner.tl{top:96px;left:28px;border-right:0;border-bottom:0}
.corner.br{bottom:44px;right:28px;border-left:0;border-top:0}

/* trust strip */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(13,20,28,.5)}
.trust .wrap{display:flex;align-items:center;gap:34px;padding-top:22px;padding-bottom:22px;flex-wrap:wrap}
.trust .lbl{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--steel-dim)}
.trust .logos{display:flex;gap:38px;flex-wrap:wrap;align-items:center;flex:1}
.trust .logos span{font-family:var(--font-display);font-weight:700;font-size:22px;letter-spacing:.04em;color:#63788a;text-transform:uppercase;transition:.3s}
.trust .logos span:hover{color:var(--ink)}

/* ---------- Section scaffolding ---------- */
.sec{padding:110px 0}
.sec-head{max-width:760px;margin-bottom:56px}
.grid{display:grid;gap:22px}
.reveal{opacity:0;transform:translateY(26px);transition:.9s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line)}
.stat{padding:34px 26px;border-right:1px solid var(--line);position:relative}
.stat:last-child{border-right:0}
.stat .n{font-family:var(--font-display);font-weight:800;font-size:clamp(40px,5vw,60px);color:var(--ink);line-height:1}
.stat .n .u{color:var(--teal-bright)}
.stat .l{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel-dim);margin-top:10px}

/* services grid */
.svc-grid{grid-template-columns:repeat(3,1fr)}
.svc{position:relative;overflow:hidden;border:1px solid var(--line);background:var(--bg-2);min-height:340px;display:flex;flex-direction:column;justify-content:flex-end;transition:.45s var(--ease)}
.svc .svc-img{position:absolute;inset:0;z-index:0}
.svc .svc-img img{width:100%;height:100%;object-fit:cover;opacity:.34;transition:.6s var(--ease)}
.svc::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(0deg,var(--bg) 12%,rgba(10,14,18,.4) 60%,rgba(10,14,18,.15))}
.svc .svc-body{position:relative;z-index:2;padding:30px}
.svc .num{font-family:var(--font-mono);font-size:12px;color:var(--teal-bright);letter-spacing:.18em}
.svc h3{font-size:26px;margin:12px 0 10px;font-weight:700}
.svc p{font-size:15px;color:var(--steel);max-width:38ch}
.svc .more{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-bright);margin-top:16px;display:inline-flex;gap:8px;opacity:0;transform:translateY(6px);transition:.4s var(--ease)}
.svc:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.svc:hover .svc-img img{opacity:.5;transform:scale(1.05)}
.svc:hover .more{opacity:1;transform:none}

/* split / capabilities */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.split-media{position:relative;border:1px solid var(--line);overflow:hidden;aspect-ratio:4/3}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-media .frame{position:absolute;inset:14px;border:1px solid var(--line-strong);pointer-events:none}
.caps{list-style:none;display:grid;gap:2px;margin-top:28px}
.caps li{display:flex;gap:16px;padding:18px 0;border-top:1px solid var(--line);align-items:flex-start}
.caps li:last-child{border-bottom:1px solid var(--line)}
.caps .k{font-family:var(--font-mono);color:var(--teal-bright);font-size:13px;min-width:40px}
.caps .v strong{color:var(--ink);font-weight:600;display:block;font-size:17px}
.caps .v span{font-size:15px;color:var(--steel-dim)}

/* mission band */
.band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(13,20,28,.45);text-align:center;padding:90px 0}
.band .q{font-family:var(--font-display);font-weight:600;text-transform:uppercase;font-size:clamp(26px,3.6vw,44px);color:var(--ink);max-width:20ch;margin:22px auto;line-height:1.1}
.band .q em{color:var(--teal-bright);font-style:normal}

/* projects teaser */
.proj-grid{grid-template-columns:repeat(3,1fr)}
.proj{position:relative;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3}
.proj img{width:100%;height:100%;object-fit:cover;opacity:.6;transition:.6s var(--ease)}
.proj .cap{position:absolute;left:0;bottom:0;right:0;padding:22px;z-index:2;background:linear-gradient(0deg,var(--bg),transparent)}
.proj .cap .t{font-family:var(--font-display);font-weight:700;font-size:22px;color:var(--ink);text-transform:uppercase}
.proj .cap .s{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;color:var(--teal-bright);text-transform:uppercase}
.proj:hover img{opacity:.85;transform:scale(1.05)}

/* CTA band */
.cta{padding:120px 0;text-align:center;position:relative;overflow:hidden}
.cta .cta-bg{position:absolute;inset:0;z-index:-1}
.cta .cta-bg img{width:100%;height:100%;object-fit:cover;opacity:.28}
.cta .cta-bg::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 60%,rgba(21,154,156,.25),var(--bg) 70%)}
.cta h2{font-size:clamp(40px,6vw,74px);font-weight:800}
.cta p{margin:18px auto 34px;max-width:52ch}

/* ---------- Footer ---------- */
footer.ft{border-top:1px solid var(--line);background:var(--bg-2);padding:70px 0 34px}
.ft-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px}
.ft .brand img{height:46px}
.ft p.tag{margin-top:18px;color:var(--steel-dim);max-width:34ch;font-size:15px}
.ft h4{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-bright);margin-bottom:18px}
.ft ul{list-style:none;display:grid;gap:11px}
.ft ul a,.ft ul li{color:var(--steel);font-size:15px;transition:.25s}
.ft ul a:hover{color:var(--teal-bright)}
.ft-bottom{max-width:var(--maxw);margin:44px auto 0;padding:22px 28px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.ft-bottom p{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--steel-dim)}

/* ---------- Forms ---------- */
.form{display:grid;gap:20px}
.field{display:grid;gap:8px}
.field label{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel-dim)}
.field input,.field textarea,.field select{
  background:var(--bg-3);border:1px solid var(--line);color:var(--ink);
  padding:14px 16px;font-family:var(--font-body);font-size:16px;transition:.25s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:0;border-color:var(--teal);box-shadow:0 0 0 3px rgba(21,154,156,.15)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-note{font-size:13px;color:var(--steel-dim)}
.form-ok{display:none;padding:16px;border:1px solid var(--line-strong);background:rgba(47,227,227,.06);color:var(--teal-bright);font-family:var(--font-mono);font-size:14px}

/* page hero (interior) */
.phero{padding:170px 0 70px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.phero .phero-bg{position:absolute;inset:0;z-index:-1}
.phero .phero-bg img{width:100%;height:100%;object-fit:cover;opacity:.22}
.phero .phero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,var(--bg),rgba(10,14,18,.5))}
.phero h1{font-size:clamp(44px,7vw,86px);font-weight:800}
.phero .crumbs{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--steel-dim);margin-top:14px}
.phero .crumbs a:hover{color:var(--teal-bright)}

/* service detail rows */
.svc-row{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center;padding:70px 0;border-bottom:1px solid var(--line)}
.svc-row:nth-child(even){grid-template-columns:1.1fr .9fr}
.svc-row:nth-child(even) .svc-row-media{order:-1}
.svc-row-media{border:1px solid var(--line);overflow:hidden;aspect-ratio:4/3;position:relative}
.svc-row-media img{width:100%;height:100%;object-fit:cover;transition:.6s var(--ease)}
.svc-row:hover .svc-row-media img{transform:scale(1.04)}
.svc-row .tag{font-family:var(--font-mono);color:var(--teal-bright);font-size:12px;letter-spacing:.18em;text-transform:uppercase}
.svc-row h3{font-size:clamp(28px,3.4vw,40px);margin:14px 0 16px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--steel);border:1px solid var(--line);padding:7px 13px;background:var(--bg-3)}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .nav-links,.nav-cta{position:fixed;inset:64px 0 auto 0;flex-direction:column;background:rgba(10,14,18,.97);backdrop-filter:blur(14px);padding:24px 28px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:.4s var(--ease);gap:20px}
  .nav-links{align-items:flex-start}
  header.nav.open .nav-links{transform:none}
  header.nav.open .nav-cta{transform:none;top:auto;inset:auto;position:fixed;left:28px;right:28px;top:230px}
  .burger{display:flex}
  .split{grid-template-columns:1fr;gap:36px}
  .svc-grid,.proj-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}.stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .svc-row,.svc-row:nth-child(even){grid-template-columns:1fr;gap:28px}
  .svc-row:nth-child(even) .svc-row-media{order:0}
  .ft-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  body{font-size:16px}
  .svc-grid,.proj-grid,.ft-grid{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
  .trust .wrap{gap:16px}
  .hero{padding:110px 0 50px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}