/* Agentic Aviation: dark front pages (home, news, skill tools).
   Brand tokens: near-black ground, slate neutrals, one amber accent, Plex Mono headings, Plex Sans text.
   No third-party scripts or fonts (self-hosted, GDPR). */
@font-face{font-family:'IBM Plex Mono';font-weight:400 500;font-style:normal;font-display:swap;src:url(/fonts/IBMPlexMono-Medium.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-weight:600 700;font-style:normal;font-display:swap;src:url(/fonts/IBMPlexMono-Bold.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-weight:400 500;font-style:normal;font-display:swap;src:url(/fonts/IBMPlexSans-Regular.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-weight:600 700;font-style:normal;font-display:swap;src:url(/fonts/IBMPlexSans-Bold.woff2) format('woff2')}
:root{
  --bg:#0A0D12; --bg2:#0F1219; --panel:#0F1219; --panel2:#151921;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --text:#F1F5F9; --muted:#94A3B8; --dim:#64748B;
  --amber:#F59E0B; --amber2:#FBBF24; --amber-glow:rgba(245,158,11,.22);
  --blue:#3B82F6; --green:#22C55E; --red:#EF4444; --purple:#8B5CF6;
  --display:'IBM Plex Mono','Courier New',monospace;
  --sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:3px}
.wrap{max-width:1120px;margin-inline:auto;padding-inline:max(20px,env(safe-area-inset-left))}
.skip{position:absolute;left:-999px;top:8px;background:var(--amber);color:var(--bg);padding:8px 12px;z-index:99}
.skip:focus{left:8px}
.lab{display:block;font:500 11px/1.2 var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--amber);margin-bottom:14px}
.lab::before{content:"// "}

/* scroll reveal (only when JS is on) */
.js .rv{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.js .rv.in{opacity:1;transform:none}
.js .rv.d1{transition-delay:.08s}.js .rv.d2{transition-delay:.16s}.js .rv.d3{transition-delay:.24s}

/* header */
header.bar{position:sticky;top:0;z-index:20;background:rgba(10,13,18,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
header.bar .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 20px;padding-block:12px}
.logo{font:700 15px/1 var(--display);letter-spacing:.08em;text-transform:uppercase;text-decoration:none;display:inline-flex;align-items:center;gap:10px;color:var(--text)}
.logo .mark{height:32px;width:auto;display:block}
header.bar nav{display:flex;flex-wrap:wrap;align-items:center;gap:4px 24px;font-size:14.5px}
header.bar nav a{text-decoration:none;color:var(--muted);padding-block:6px;transition:color .2s}
header.bar nav a:hover,header.bar nav a[aria-current=page]{color:var(--text)}
header.bar nav a.nav-cta{color:var(--bg);background:var(--amber);font:700 12.5px/1 var(--display);letter-spacing:.02em;padding:11px 16px;border-radius:6px}
header.bar nav a.nav-cta:hover{background:var(--amber2)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:700 14px/1 var(--display);letter-spacing:.02em;text-decoration:none;padding:16px 24px;border-radius:7px;min-height:48px;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}
.btn.primary{background:var(--amber);color:var(--bg);box-shadow:0 0 0 0 var(--amber-glow)}
.btn.primary:hover{background:var(--amber2);transform:translateY(-1px);box-shadow:0 8px 30px -6px var(--amber-glow)}
.btn.ghost{border:1px solid var(--line2);color:var(--text)}
.btn.ghost:hover{border-color:var(--amber);color:var(--amber)}

/* hero */
.hero{position:relative;overflow:hidden;isolation:isolate;padding:clamp(48px,7vw,96px) 0 clamp(56px,7vw,96px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:clamp(16px,3vw,48px);align-items:center}
.hero-art{position:relative}
.hero-art img{display:block;width:100%;height:auto;border:1px solid var(--line2);border-radius:16px;box-shadow:0 30px 80px -30px rgba(0,0,0,.8),0 0 90px -30px var(--amber-glow)}
.hero-copy{position:relative;z-index:1}
.hero-bg{position:absolute;inset:0;z-index:-1;background:
  
  radial-gradient(ellipse 45% 40% at 88% 0%,rgba(59,130,246,.14),transparent 70%),
  radial-gradient(ellipse 40% 40% at 8% 20%,rgba(139,92,246,.08),transparent 70%),var(--bg)}
.hero-bg::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse 80% 80% at 50% 30%,#000 10%,transparent 75%);mask-image:radial-gradient(ellipse 80% 80% at 50% 30%,#000 10%,transparent 75%);opacity:.5}
.hero-bg svg{position:absolute;inset:0;width:100%;height:100%}
.ring{fill:none;stroke:rgba(255,255,255,.07);stroke-width:1}
.path{fill:none;stroke:var(--amber);stroke-width:1.5;stroke-dasharray:3 9;stroke-linecap:round;opacity:.55;animation:flow 24s linear infinite}
@keyframes flow{to{stroke-dashoffset:-240}}
.pill{display:inline-flex;align-items:center;gap:9px;font:500 12px/1 var(--display);letter-spacing:.06em;color:var(--muted);border:1px solid var(--line2);background:rgba(255,255,255,.03);padding:9px 14px;border-radius:99px}
.pill i{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(34,197,94,.18)}
.pill b{color:var(--text);font-weight:600}
h1{font:700 clamp(34px,5.4vw,68px)/1.06 var(--display);letter-spacing:-.025em;margin:26px 0 0;max-width:15ch;text-wrap:balance}
h1 em{font-style:italic;background:linear-gradient(135deg,var(--amber),var(--amber2));-webkit-background-clip:text;background-clip:text;color:transparent;padding-right:.08em}
.sub{font-size:clamp(17px,1.7vw,20px);line-height:1.55;color:var(--muted);max-width:54ch;margin:24px 0 0}
.sub strong{color:var(--text);font-weight:500}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.center .actions,.band .actions{justify-content:center}
.meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin:26px 0 0;padding:0;list-style:none;font:500 12.5px/1 var(--display);color:var(--dim)}
.meta li::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--c,var(--amber));margin-right:8px;vertical-align:1px}

/* product mockup, overlaps the hero */
.mock-wrap{margin-top:44px}
.win{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line2);border-radius:16px;box-shadow:0 40px 90px -30px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.02) inset,0 -30px 120px -40px var(--amber-glow);max-width:920px;margin-inline:auto;overflow:hidden;text-align:left}
.win-bar{display:flex;align-items:center;gap:7px;padding:13px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.win-bar i{width:11px;height:11px;border-radius:50%;background:var(--line2)}
.win-bar span{margin-left:10px;font:500 12px/1 var(--display);color:var(--dim)}
.win-bar .on{margin-left:auto;display:inline-flex;align-items:center;gap:7px;color:var(--green)}
.win-bar .on::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green)}
.win-body{padding:clamp(18px,3vw,32px);display:grid;gap:18px}
.msg{display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px;align-items:start}
.av{width:34px;height:34px;border-radius:8px;display:grid;place-items:center;font:700 11px/1 var(--display);background:var(--panel2);border:1px solid var(--line2);color:var(--muted)}
.av.ai{background:rgba(245,158,11,.12);border-color:rgba(245,158,11,.4);color:var(--amber)}
.msg p{margin:5px 0 0;font-size:16.5px}
.tool{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;font:500 12.5px/1.4 var(--display);color:var(--muted);background:rgba(255,255,255,.03);border:1px solid var(--line);border-left:2px solid var(--amber);padding:10px 14px;border-radius:0 8px 8px 0}
.tool b{color:var(--amber);font-weight:600}
.tool .ok{margin-left:auto;color:var(--green)}
.rule{border:1px solid var(--line2);border-radius:10px;background:var(--bg);overflow:hidden}
.rule-h{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line);font:600 13px/1.2 var(--display)}
.rule-h span{font-weight:500;color:var(--muted)}
.rule-b{padding:16px;display:grid;gap:9px}
.sk{height:8px;border-radius:4px;background:linear-gradient(90deg,rgba(255,255,255,.10),rgba(255,255,255,.04))}
.rule-f{display:flex;flex-wrap:wrap;gap:8px;padding:12px 16px;border-top:1px solid var(--line)}
.chip{font:500 11.5px/1 var(--display);padding:6px 9px;border-radius:5px;border:1px solid var(--line2);color:var(--muted)}
.chip.g{color:var(--green);border-color:rgba(34,197,94,.35);background:rgba(34,197,94,.08)}
.chip.b{color:#7FB2FF;border-color:rgba(59,130,246,.4);background:rgba(59,130,246,.08)}

/* sections */
section{padding-top:clamp(72px,9vw,128px)}
h2{font:700 clamp(26px,3.4vw,40px)/1.15 var(--display);letter-spacing:-.015em;margin:0;text-wrap:balance}
.sec-lead{color:var(--muted);max-width:56ch;margin:16px 0 0;font-size:18px}
.center{text-align:center}.center .sec-lead{margin-inline:auto}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px 24px;margin-bottom:28px}
.more{font:600 13px/1 var(--display);text-decoration:none;color:var(--amber);padding-bottom:4px;border-bottom:1px solid transparent;transition:border-color .2s}
.more:hover{border-color:var(--amber)}

/* works with */
.works{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px 34px;padding-top:clamp(44px,6vw,72px);color:var(--dim);font:500 12px/1 var(--display);letter-spacing:.14em;text-transform:uppercase}
.works span.n{font:700 19px/1 var(--display);letter-spacing:.02em;text-transform:none;color:#7C8AA0}

/* stats */
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-top:clamp(44px,6vw,72px)}
.stat{background:var(--panel);padding:clamp(22px,3vw,36px);text-align:center}
.stat b{display:block;font:700 clamp(34px,4.6vw,56px)/1 var(--display);color:var(--amber);letter-spacing:-.02em}
.stat strong{display:block;margin-top:12px;font:600 14px/1.3 var(--display)}
.stat span{display:block;margin-top:4px;color:var(--dim);font-size:14px}

/* illustration frames */
.banner{margin-top:40px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--bg)}
.banner img{display:block;width:100%;height:auto}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:44px;counter-reset:s}
.step{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px;position:relative;transition:border-color .25s,transform .25s}
.step:hover{border-color:rgba(245,158,11,.4);transform:translateY(-3px)}
.step::before{counter-increment:s;content:"0" counter(s);position:absolute;top:22px;right:24px;font:700 13px/1 var(--display);color:var(--dim)}
.ic{width:46px;height:46px;border-radius:11px;display:grid;place-items:center;background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.28)}
.ic svg{width:26px;height:26px;display:block;color:var(--text)}
.step h3{font:700 18px/1.3 var(--display);margin:20px 0 8px}
.step p{margin:0;color:var(--muted);font-size:16px}

/* authority cards (coloured top edge like the old agent cards) */
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:44px}
.auth{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px 22px 24px;overflow:hidden;transition:border-color .25s,transform .25s}
.auth::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--c),transparent)}
.auth:hover{border-color:var(--line2);transform:translateY(-3px)}
.auth b{display:block;font:700 22px/1.1 var(--display);letter-spacing:-.01em}
.auth small{display:block;margin-top:6px;font:500 11px/1.3 var(--display);letter-spacing:.1em;text-transform:uppercase;color:var(--c)}
.auth p{margin:16px 0 0;color:var(--muted);font-size:15.5px;line-height:1.5}

/* news */
.news{display:grid;gap:14px;margin:0;padding:0;list-style:none}
.news li{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px clamp(20px,2.6vw,30px);display:grid;grid-template-columns:130px minmax(0,1fr);gap:8px 26px;transition:border-color .25s}
.news li:hover{border-color:var(--line2)}
.news time{font:500 13px/1.7 var(--display);color:var(--dim)}
.news h3{font:700 18px/1.35 var(--display);margin:0 0 8px}
.news p{margin:0;color:var(--muted);font-size:16px}
.news a.link{display:inline-block;margin-top:12px;font:600 13px/1 var(--display);color:var(--amber);text-decoration:none}
.news a.link:hover{text-decoration:underline;text-underline-offset:4px}
.tag{display:inline-block;font:600 10.5px/1 var(--display);letter-spacing:.1em;text-transform:uppercase;padding:5px 8px;border:1px solid var(--c);color:var(--c);background:rgba(255,255,255,.02);border-radius:4px;margin-bottom:10px}
.t-aerorules{--c:var(--amber)}.t-site{--c:var(--blue)}.t-company{--c:var(--purple)}

/* skill tools */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:32px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:10px;transition:border-color .25s,transform .25s}
.card:hover{border-color:var(--line2);transform:translateY(-3px)}
.card .ic svg{width:24px;height:24px}
.card h3{font:700 17px/1.3 var(--display);margin:6px 0 0}
.card p{margin:0;color:var(--muted);font-size:15.5px;flex:1}
.card .st{align-self:flex-start;font:600 10.5px/1 var(--display);letter-spacing:.1em;text-transform:uppercase;color:var(--dim);border:1px solid var(--line2);padding:5px 8px;border-radius:4px;margin-left:auto;position:absolute}
.card{position:relative}.card .st{top:20px;right:20px;margin:0}
.strip{background:var(--bg);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center}
.strip .txt{padding:clamp(24px,4vw,48px);display:grid;gap:18px;justify-items:start}
.strip img{display:block;width:100%;height:auto;mix-blend-mode:screen;-webkit-mask-image:linear-gradient(90deg,transparent,#000 30%);mask-image:linear-gradient(90deg,transparent,#000 30%)}
.strip p{margin:0;color:var(--muted)}
.strip strong{color:var(--text);font-weight:500}

/* about */
.bio{display:grid;grid-template-columns:auto minmax(0,1fr);gap:clamp(20px,3vw,40px);align-items:start;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:clamp(22px,3.4vw,40px);margin-top:36px}
.bio-photo{width:148px;height:148px;object-fit:cover;border-radius:16px;border:1px solid var(--line2);display:block}
.bio h2{font-size:clamp(22px,2.4vw,28px)}
.bio .role{font:500 12.5px/1.5 var(--display);letter-spacing:.04em;color:var(--amber);margin:8px 0 0}
.bio p{color:var(--muted);margin:16px 0 0;max-width:62ch}
.bio .actions{margin-top:22px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0 0;padding:0;list-style:none}
.chips li{font:500 12.5px/1 var(--display);padding:9px 12px;border:1px solid var(--line2);border-radius:99px;color:var(--text);background:rgba(255,255,255,.03)}
.tight{padding-top:clamp(32px,4vw,56px)}
.story{max-width:66ch}
.products{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:28px}
.product{position:relative;display:flex;flex-direction:column;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px;text-decoration:none;transition:border-color .25s,transform .25s}
.product:hover{border-color:rgba(245,158,11,.45);transform:translateY(-3px)}
.product .tag{position:absolute;top:24px;right:24px;margin:0}
.product img{width:44px;height:44px;display:block}
.product h3{font:700 22px/1.2 var(--display);margin:6px 0 0}
.product p{margin:0;color:var(--muted);font-size:16px;flex:1}
.product .more{align-self:flex-start;margin-top:6px}
.bio h3{font:700 clamp(22px,2.4vw,28px)/1.2 var(--display);margin:0}
.story{max-width:66ch}
.story p{color:var(--muted);font-size:18px;margin:18px 0 0}
.story p strong{color:var(--text);font-weight:500}
.principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:32px}
.principle{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px}
.principle .ic{margin-bottom:18px}
.principle h3{font:700 17px/1.3 var(--display);margin:0 0 8px}
.principle p{margin:0;color:var(--muted);font-size:15.5px}

/* closing band */
.band{margin-top:clamp(72px,9vw,128px);text-align:center;position:relative;overflow:hidden;border:1px solid var(--line2);border-radius:20px;padding:clamp(40px,7vw,84px) 24px;background:radial-gradient(ellipse 70% 120% at 50% 130%,rgba(245,158,11,.28),transparent 70%),var(--panel)}
.band h2{max-width:20ch;margin-inline:auto}
.band p{color:var(--muted);margin:16px auto 0;max-width:50ch}
.band .actions{margin-top:28px}

/* plain pages */
.page-head{padding-block:clamp(48px,7vw,88px) 8px;max-width:70ch}
.page-head h1{margin:0;max-width:none;font-size:clamp(34px,4.4vw,52px)}
.page-head p{color:var(--muted);font-size:18px;margin:16px 0 0}
.page-head a{color:var(--amber)}
.note{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--amber);border-radius:8px;padding:14px 18px;margin:28px 0 0;color:var(--muted);font-size:15.5px}
.note a{color:var(--amber)}
.pagepad{padding-bottom:20px}

footer{margin-top:clamp(72px,9vw,120px);border-top:1px solid var(--line);padding-block:36px 56px;color:var(--dim);font-size:14px}
footer .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:20px 48px}
footer p{margin:0}
footer a{color:var(--muted)}
footer .logo{color:var(--text)}
footer nav{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:12px}

@media (max-width:920px){
  .principles{grid-template-columns:1fr}
  .products{grid-template-columns:1fr}
  .hero-grid{grid-template-columns:1fr}
  .hero-art{max-width:560px;margin-inline:auto}
  .strip{grid-template-columns:1fr}
  .strip img{-webkit-mask-image:none;mask-image:none;order:-1}
  .grid4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  footer .wrap{grid-template-columns:1fr}
}
@media (max-width:620px){
  .bio{grid-template-columns:1fr}
  body{font-size:16px}
  header.bar nav{gap:2px 16px;font-size:14px}
  .stats{grid-template-columns:1fr}
  .grid4,.cards{grid-template-columns:1fr}
  .news li{grid-template-columns:1fr}
  .btn{width:100%}
  .tool .ok{margin-left:0}
  .msg{grid-template-columns:1fr}.msg .av{display:none}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.js .rv{opacity:1;transform:none}}