/* Shared design system: FAA Compliant Drones + Professional Drones & Gaming
   NEI dark theme tokens. Brand accent is switched per site via body class. */
:root{
  --bg:#0a0f1a; --bg2:#0d1424; --panel:#1a2236; --panel2:#141b2c; --line:#2a3550;
  --gold:#c9a227; --purple:#a78bfa; --green:#22c55e; --red:#ef4444; --amber:#f59e0b;
  --sky:#38bdf8; --neon:#f472b6;
  --txt:#e5e7eb; --mut:#94a3b8;
  --accent:var(--sky); --accent2:var(--gold);
  --r:14px; --max:1180px;
}
body.pdg{ --accent:var(--neon); --accent2:var(--purple); }
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--txt);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#000;color:#fff;padding:8px;z-index:99}

/* Banner (preview notice) */
.banner{background:#3b2a05;color:#fde68a;font-size:13px;text-align:center;padding:6px 12px;border-bottom:1px solid #78350f}

/* Header / nav */
header.site{position:sticky;top:0;z-index:50;background:rgba(10,15,26,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--txt);font-weight:800;letter-spacing:.3px}
.brand:hover{text-decoration:none}
.brand .logo{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#0a0f1a;font-size:18px}
.brand small{display:block;font-weight:500;color:var(--mut);font-size:11px;letter-spacing:1.2px;text-transform:uppercase}
nav.main ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center}
nav.main a{color:var(--txt);padding:8px 12px;border-radius:8px;font-size:15px}
nav.main a:hover,nav.main a[aria-current=page]{background:var(--panel);text-decoration:none;color:var(--accent)}
.navtoggle{display:none;background:none;border:1px solid var(--line);color:var(--txt);border-radius:8px;padding:8px 11px;font-size:18px;cursor:pointer}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:10px;font-weight:700;border:1px solid transparent;cursor:pointer;font-size:15px}
.btn:hover{text-decoration:none;filter:brightness(1.08)}
.btn.primary{background:var(--accent);color:#0a0f1a}
.btn.gold{background:var(--gold);color:#0a0f1a}
.btn.ghost{border-color:var(--line);color:var(--txt);background:transparent}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn.sm{padding:8px 14px;font-size:14px}
nav.main .btn{padding:8px 14px;color:#0a0f1a}

/* Hero */
.hero{position:relative;overflow:hidden;padding:84px 0 70px;border-bottom:1px solid var(--line);
  background:radial-gradient(1000px 500px at 80% 10%,rgba(56,189,248,.16),transparent 60%),radial-gradient(800px 400px at 0% 100%,rgba(201,162,39,.12),transparent 60%),var(--bg)}
body.pdg .hero{background:radial-gradient(1000px 500px at 80% 10%,rgba(244,114,182,.18),transparent 60%),radial-gradient(800px 400px at 0% 100%,rgba(167,139,250,.16),transparent 60%),var(--bg)}
.hero .grid{position:absolute;inset:0;opacity:.18;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:44px 44px;
  mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.eyebrow{display:inline-flex;gap:8px;align-items:center;font-size:12px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;color:var(--accent);background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.3);padding:6px 12px;border-radius:999px}
body.pdg .eyebrow{background:rgba(244,114,182,.1);border-color:rgba(244,114,182,.35)}
.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.05;margin:18px 0 14px;letter-spacing:-1px}
.hero h1 .hl{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:19px;color:#cbd5e1;max-width:620px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.creds{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;background:var(--panel);border:1px solid var(--line);color:var(--txt)}
.pill.ok{background:#14532d;border-color:#166534;color:#bbf7d0}
.pill.warn{background:#78350f;border-color:#92400e;color:#fde68a}
.pill.acc{color:var(--accent);border-color:var(--accent)}

/* Drone illustration */
.hero-art{position:relative;aspect-ratio:1/1;max-width:440px;justify-self:center;width:100%}
.hero-art svg{width:100%;height:100%}
.hero-art .float{animation:float 5s ease-in-out infinite}
.hero-art .spin{transform-origin:center;transform-box:fill-box;animation:spin .35s linear infinite}
.hero-art .ring{transform-origin:center;transform-box:fill-box;animation:pulse 3.2s ease-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{0%{opacity:.7;transform:scale(.6)}100%{opacity:0;transform:scale(1.4)}}
@media (prefers-reduced-motion:reduce){.hero-art .float,.hero-art .spin,.hero-art .ring{animation:none}}

/* Sections */
section{padding:72px 0}
section.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-head h2{font-size:clamp(26px,3.4vw,38px);margin:8px 0 10px;letter-spacing:-.5px}
.sec-head p{color:var(--mut);font-size:17px;margin:0}
.kicker{font-size:12px;font-weight:800;letter-spacing:1.8px;text-transform:uppercase;color:var(--accent2)}
h3{margin:0 0 8px;font-size:20px}

/* KPI strip */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:-36px;position:relative;z-index:2}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.kpi .v{font-size:28px;font-weight:800;color:var(--accent2)}
.kpi .l{color:var(--mut);font-size:13px}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:22px;display:flex;flex-direction:column;transition:transform .15s,border-color .15s}
.card:hover{transform:translateY(-3px);border-color:var(--accent)}
.card .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:20px;margin-bottom:14px;background:rgba(56,189,248,.12);color:var(--accent)}
body.pdg .card .ic{background:rgba(244,114,182,.12)}
.card p{color:#cbd5e1;margin:0 0 14px}
.card ul{margin:0 0 14px;padding-left:18px;color:#cbd5e1}
.card .more{margin-top:auto;font-weight:700}
.card.feature{border-color:var(--accent2);background:linear-gradient(180deg,rgba(201,162,39,.08),var(--panel))}
.tag{font-size:11px;font-weight:800;letter-spacing:1px;text-transform:uppercase;color:var(--accent2);margin-bottom:6px}

/* Split + panel */
.split{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.panel.hl{border-color:var(--accent)}
.check{list-style:none;padding:0;margin:0}
.check li{padding:7px 0 7px 30px;position:relative;border-bottom:1px dashed var(--line)}
.check li:last-child{border-bottom:0}
.check li:before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:4px;color:var(--green)}

/* Tables (honest: th count = td count) */
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r)}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--panel2);color:var(--purple);font-weight:700;font-size:13px;letter-spacing:.4px;text-transform:uppercase}
tr:last-child td{border-bottom:0}

/* Steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:20px;position:relative}
.step:before{counter-increment:s;content:counter(s);position:absolute;top:-14px;left:18px;width:30px;height:30px;border-radius:50%;background:var(--accent);color:#0a0f1a;font-weight:800;display:grid;place-items:center}
.step h3{margin-top:8px;font-size:17px}
.step p{color:#cbd5e1;margin:0;font-size:15px}

/* FAQ */
details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:0 18px;margin-bottom:10px}
summary{cursor:pointer;padding:16px 0;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:10px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--accent);font-size:20px;line-height:1}
details[open] summary:after{content:"–"}
details p{color:#cbd5e1;margin:0 0 16px}

/* Forms (labelled inputs) */
form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
label{font-size:14px;font-weight:600;color:#cbd5e1}
input,select,textarea{background:var(--bg);border:1px solid var(--line);color:var(--txt);border-radius:10px;padding:11px 12px;font:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);border-color:transparent}
textarea{min-height:110px;resize:vertical}
.hp{position:absolute;left:-5000px}
.form-note{font-size:13px;color:var(--mut)}
.flash{display:none;margin-top:12px;padding:12px 14px;border-radius:10px;background:#14532d;color:#bbf7d0;border:1px solid #166534}
.flash.show{display:block}

/* Interactive checklist */
.preflight li{cursor:pointer;user-select:none}
.preflight li.done{color:var(--mut);text-decoration:line-through}
.progress{height:8px;background:var(--bg);border-radius:99px;overflow:hidden;border:1px solid var(--line);margin:10px 0 16px}
.progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--green));transition:width .2s}

/* Quiz (path finder) */
.quiz .opts{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0 18px}
.quiz button.opt{background:var(--bg);border:1px solid var(--line);color:var(--txt);border-radius:10px;padding:10px 14px;cursor:pointer;font:inherit}
.quiz button.opt[aria-pressed=true]{border-color:var(--accent);color:var(--accent);background:rgba(56,189,248,.08)}
.quiz .result{display:none}
.quiz .result.show{display:block}

/* Blog list */
.post{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}
.post .thumb{border-radius:12px;background:linear-gradient(135deg,var(--panel),var(--panel2));border:1px solid var(--line);display:grid;place-items:center;font-size:30px;color:var(--accent);aspect-ratio:4/3}
.post h3 a{color:var(--txt)}
.post p{margin:4px 0 0;color:#cbd5e1}
.meta{font-size:13px;color:var(--mut)}

/* Cross-site band */
.band{background:linear-gradient(90deg,rgba(167,139,250,.15),rgba(244,114,182,.12));border:1px solid var(--line);border-radius:18px;padding:30px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
body.faa .band{background:linear-gradient(90deg,rgba(56,189,248,.14),rgba(201,162,39,.12))}
.band h3{font-size:24px}

/* Empty state */
.empty{border:1px dashed var(--line);border-radius:var(--r);padding:30px;text-align:center;color:var(--mut)}
.empty i{font-size:28px;color:var(--accent);display:block;margin-bottom:8px}

/* Widget dock (local stand-ins for NEI chat / call / booking) */
.dock{position:fixed;left:18px;bottom:18px;display:flex;flex-direction:column;gap:10px;z-index:60}
.dock a,.dock button{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-size:22px;border:0;cursor:pointer;box-shadow:0 8px 24px rgba(0,0,0,.45)}
.dock .chat{background:#8b5cf6;color:#fff}
.dock .call{background:var(--green);color:#0a0f1a}
.chatpop{position:fixed;right:18px;bottom:150px;width:min(360px,calc(100vw - 36px));background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 40px rgba(0,0,0,.5);z-index:61;display:none}
.chatpop.show{display:block}
.chatpop header{padding:14px 16px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-weight:700}
.chatpop .body{padding:16px;color:#cbd5e1;font-size:14px}
.chatpop .body .q{display:block;width:100%;text-align:left;margin:6px 0;background:var(--bg);border:1px solid var(--line);color:var(--txt);border-radius:10px;padding:9px 12px;cursor:pointer;font:inherit}
.chatpop button.x{background:none;border:0;color:var(--mut);font-size:18px;cursor:pointer}

/* Footer */
footer.site{border-top:1px solid var(--line);padding:50px 0 26px;background:var(--bg2);margin-top:0}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
footer.site h4{margin:0 0 10px;font-size:14px;letter-spacing:1px;text-transform:uppercase;color:var(--accent2)}
footer.site ul{list-style:none;margin:0;padding:0}
footer.site li{padding:4px 0}
footer.site a{color:#cbd5e1}
footer.site .legal{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;font-size:13px;color:var(--mut);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.disclaimer{font-size:13px;color:var(--mut);margin-top:10px}

/* Responsive (sidebar/nav collapses < 900px) */
@media (max-width:900px){
  .navtoggle{display:block}
  nav.main{position:absolute;top:68px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);display:none}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;align-items:stretch;padding:10px 20px 16px}
  .hero .wrap,.split{grid-template-columns:1fr}
  .hero-art{max-width:300px}
  .kpis{grid-template-columns:repeat(2,1fr)}
  footer.site .cols{grid-template-columns:1fr 1fr}
  form .row{grid-template-columns:1fr}
  .post{grid-template-columns:90px 1fr}
}
@media (max-width:520px){ .kpis{grid-template-columns:1fr} footer.site .cols{grid-template-columns:1fr} }

/* Illustrations + step icons (added Oct 14) */
.illus{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:12px}
.illus svg{display:block;width:100%;height:auto;border-radius:12px}
.illus figcaption{color:var(--mut);font-size:13px;margin-top:10px}
.step .sic{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:10px;background:rgba(56,189,248,.12);color:var(--accent);font-size:17px;margin:6px 0 4px}
body.pdg .step .sic{background:rgba(244,114,182,.12)}
.illus-row{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
@media (max-width:900px){.illus-row{grid-template-columns:1fr}}

/* Nav fit (Oct 14): keep labels on one line; collapse to the menu button below 1240px */
nav.main a{white-space:nowrap;padding:8px 10px;font-size:14.5px}
.brand span{white-space:nowrap}
.brand small{letter-spacing:.9px}
@media (max-width:1240px){
  .navtoggle{display:block}
  nav.main{position:absolute;top:68px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);display:none}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;align-items:stretch;padding:10px 20px 16px}
  nav.main a{font-size:16px;padding:12px}
}