/* ============================================================
   AeroTab landing — namespaced, self-contained
   Palette derived from the live /airport catalog + aerodrome pages
   ============================================================ */
.at-landing{
  /* break out of Bootstrap .container to full viewport width */
  position:relative;
  width:100vw;
  left:50%;right:50%;
  margin-left:-50vw;margin-right:-50vw;

  --bg:#0a0e14;
  --bg-2:#0d131c;
  --panel:#121a24;
  --panel-2:#161f2b;
  --line:#1e2a38;
  --line-2:#2a3a4d;
  --ink:#e8eef6;
  --ink-2:#aebccd;
  --muted:#7d8da0;
  --cyan:#38bdf8;
  --cyan-dim:#1f8fca;
  --green:#4ade80;
  --amber:#fbbf24;
  --violet:#a78bfa;
  --mono:ui-monospace,"SF Mono","JetBrains Mono","Cascadia Code",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Inter",Roboto,"Helvetica Neue",Arial,sans-serif;

  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
.at-landing *{box-sizing:border-box;}
.at-landing img{max-width:100%;display:block;}
.at-landing a{color:inherit;text-decoration:none;}
.at-wrap{max-width:1180px;margin:0 auto;padding:0 24px;}

/* ---- eyebrow / mono labels ---- */
.at-eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--cyan);
  display:inline-flex;align-items:center;gap:10px;
}
.at-eyebrow::before{content:"";width:26px;height:1px;background:var(--cyan-dim);opacity:.8;}

/* ============================================================
   HERO
   ============================================================ */
.at-hero{
  position:relative;
  padding:96px 0 80px;
  background:
    radial-gradient(1100px 620px at 78% -8%, rgba(56,189,248,.14), transparent 60%),
    radial-gradient(900px 600px at 4% 108%, rgba(167,139,250,.10), transparent 55%),
    linear-gradient(180deg,#0b1119 0%, #0a0e14 100%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
/* faint HUD grid */
.at-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(90,130,170,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(90,130,170,.05) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(circle at 60% 30%, #000 0%, transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 60% 30%, #000 0%, transparent 72%);
  pointer-events:none;
}
.at-hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.at-hero h1{
  margin:22px 0 0;
  font-size:clamp(34px,4.6vw,58px);
  line-height:1.04;
  letter-spacing:-.02em;
  font-weight:800;
  color:#fff;
}
.at-hero h1 .accent{
  color:var(--cyan);
  background:linear-gradient(180deg,#7dd3fc,#38bdf8);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.at-hero .lead{
  margin:22px 0 0;
  font-size:clamp(16px,1.5vw,19px);
  color:var(--ink-2);
  max-width:36em;
}
.at-cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.at-btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 24px;border-radius:11px;
  font-weight:700;font-size:15px;letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .12s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  cursor:pointer;
}
.at-btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
.at-btn-primary{
  background:linear-gradient(180deg,#38bdf8,#0ea5e9);
  color:#04121c;
  box-shadow:0 8px 24px -8px rgba(56,189,248,.55);
}
.at-btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(56,189,248,.6);}
.at-btn-ghost{
  background:rgba(255,255,255,.02);
  border-color:var(--line-2);
  color:var(--ink);
}
.at-btn-ghost:hover{border-color:var(--cyan-dim);background:rgba(56,189,248,.06);transform:translateY(-2px);}
.at-btn .ar{font-family:var(--mono);}

/* telemetry strip under hero copy */
.at-telemetry{
  margin-top:38px;
  display:flex;flex-wrap:wrap;gap:0;
  border:1px solid var(--line);border-radius:12px;
  background:rgba(9,14,20,.5);
  overflow:hidden;
  font-family:var(--mono);
  max-width:520px;
}
.at-telemetry .cell{
  flex:1;min-width:120px;
  padding:12px 16px;
  border-right:1px solid var(--line);
}
.at-telemetry .cell:last-child{border-right:0;}
.at-telemetry .k{font-size:10px;letter-spacing:.16em;color:var(--muted);text-transform:uppercase;}
.at-telemetry .v{font-size:16px;color:var(--ink);margin-top:3px;}
.at-telemetry .v.cy{color:var(--cyan);}
.at-telemetry .v.gr{color:var(--green);}
.at-telemetry .v.am{color:var(--amber);}

/* hero visual — instrument bezel around heritage moving map */
.at-hero-visual{position:relative;}
.at-bezel{
  position:relative;
  border-radius:18px;
  padding:12px;
  background:linear-gradient(160deg,#16202c,#0d141d);
  border:1px solid var(--line-2);
  box-shadow:0 40px 80px -30px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.04);
}
.at-bezel img{border-radius:10px;width:100%;}
.at-bezel .glass{
  position:absolute;inset:12px;border-radius:10px;pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.18);
}
/* HUD corner brackets */
.at-corner{position:absolute;width:22px;height:22px;border:2px solid var(--cyan);opacity:.85;}
.at-corner.tl{top:2px;left:2px;border-right:0;border-bottom:0;border-radius:6px 0 0 0;}
.at-corner.tr{top:2px;right:2px;border-left:0;border-bottom:0;border-radius:0 6px 0 0;}
.at-corner.bl{bottom:2px;left:2px;border-right:0;border-top:0;border-radius:0 0 0 6px;}
.at-corner.br{bottom:2px;right:2px;border-left:0;border-top:0;border-radius:0 0 6px 0;}
/* floating chips on the visual */
.at-chip{
  position:absolute;z-index:3;
  font-family:var(--mono);font-size:11px;letter-spacing:.05em;
  padding:7px 11px;border-radius:9px;
  background:rgba(9,13,19,.86);
  border:1px solid var(--line-2);
  color:var(--ink);
  box-shadow:0 10px 26px -10px rgba(0,0,0,.7);
  backdrop-filter:blur(4px);
}
.at-chip .dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:7px;vertical-align:middle;}
.at-chip.c1{top:26px;left:-16px;}
.at-chip.c2{bottom:40px;right:-18px;}
.at-chip .dot.gr{background:var(--green);box-shadow:0 0 8px var(--green);}
.at-chip .dot.am{background:var(--amber);box-shadow:0 0 8px var(--amber);}

/* ============================================================
   TRUST / STAT BAND
   ============================================================ */
.at-stats{
  background:var(--bg-2);
  border-bottom:1px solid var(--line);
  padding:34px 0;
}
.at-stats-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:14px;
}
.at-stat{
  padding:18px 16px;border-radius:12px;
  background:linear-gradient(180deg,var(--panel),var(--bg-2));
  border:1px solid var(--line);
  text-align:center;
}
.at-stat .num{font-family:var(--mono);font-size:clamp(22px,2.4vw,30px);font-weight:700;letter-spacing:.01em;}
.at-stat .lbl{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:6px;}
.at-stat.cy .num{color:var(--cyan);}
.at-stat.vt .num{color:var(--violet);}
.at-stat.gr .num{color:var(--green);}
.at-stat.am .num{color:var(--amber);}
.at-stat.wt .num{color:var(--ink);}

/* ============================================================
   SECTION SCAFFOLD
   ============================================================ */
.at-section{padding:88px 0;border-bottom:1px solid var(--line);}
.at-section.alt{background:var(--bg-2);}
.at-sec-head{max-width:720px;margin-bottom:52px;}
.at-sec-head h2{
  margin:16px 0 0;font-size:clamp(26px,3vw,38px);line-height:1.12;letter-spacing:-.015em;font-weight:800;color:#fff;
}
.at-sec-head p{margin:16px 0 0;color:var(--ink-2);font-size:17px;}

/* feature rows: alternating text/visual */
.at-feature{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
  padding:44px 0;
}
.at-feature + .at-feature{border-top:1px solid var(--line);}
.at-feature.rev .at-feat-text{order:2;}
.at-feature.rev .at-feat-visual{order:1;}
.at-feat-num{
  font-family:var(--mono);font-size:13px;letter-spacing:.2em;color:var(--cyan);
  display:flex;align-items:center;gap:12px;
}
.at-feat-num::after{content:"";flex:1;height:1px;background:var(--line);max-width:60px;}
.at-feat-text h3{margin:16px 0 0;font-size:clamp(22px,2.3vw,29px);font-weight:750;line-height:1.15;color:#fff;letter-spacing:-.01em;}
.at-feat-text p{margin:14px 0 0;color:var(--ink-2);font-size:16.5px;}
.at-feat-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:11px;}
.at-feat-list li{display:flex;gap:12px;align-items:flex-start;color:var(--ink-2);font-size:15px;}
.at-feat-list li .tick{
  flex:none;width:20px;height:20px;border-radius:6px;margin-top:1px;
  background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.35);
  color:var(--cyan);font-size:12px;display:flex;align-items:center;justify-content:center;font-family:var(--mono);
}
.at-badge-row{margin-top:22px;display:flex;flex-wrap:wrap;gap:8px;}
.at-tag{
  font-family:var(--mono);font-size:11px;letter-spacing:.05em;
  padding:5px 10px;border-radius:7px;border:1px solid var(--line-2);color:var(--ink-2);
  background:rgba(255,255,255,.02);
}
.at-tag.am{color:var(--amber);border-color:rgba(251,191,36,.4);background:rgba(251,191,36,.07);}
.at-tag.gr{color:var(--green);border-color:rgba(74,222,128,.4);background:rgba(74,222,128,.07);}
.at-tag.cy{color:var(--cyan);border-color:rgba(56,189,248,.4);background:rgba(56,189,248,.07);}

/* visual frames */
.at-shot{
  border-radius:14px;overflow:hidden;
  border:1px solid var(--line-2);
  background:var(--panel);
  box-shadow:0 34px 70px -34px rgba(0,0,0,.85);
  position:relative;
}
.at-shot img{width:100%;display:block;}
.at-shot .cap{
  position:absolute;left:14px;bottom:14px;
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;
  padding:6px 10px;border-radius:8px;
  background:rgba(9,13,19,.82);border:1px solid var(--line-2);color:var(--ink-2);
  backdrop-filter:blur(4px);
}

/* ============================================================
   CHARTS GALLERY
   ============================================================ */
.at-charts{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:8px;}
.at-chart-card{
  background:var(--panel);border:1px solid var(--line);border-radius:16px;
  overflow:hidden;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.at-chart-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 30px 60px -30px rgba(0,0,0,.8);}
.at-chart-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 20px;border-bottom:1px solid var(--line);
}
.at-chart-head .t{font-weight:700;font-size:15px;color:var(--ink);}
.at-chart-head .t small{display:block;color:var(--muted);font-size:12px;font-weight:400;margin-top:2px;}
.at-chart-img{background:#f4f5f7;padding:0;position:relative;height:420px;overflow:hidden;display:flex;align-items:flex-start;justify-content:center;}
.at-chart-img img{width:100%;height:auto;display:block;}
.at-chart-img::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  box-shadow:inset 0 -60px 60px -40px rgba(10,14,20,.5);
}

/* ============================================================
   CTA BAND
   ============================================================ */
.at-cta-band{
  padding:84px 0;
  background:
    radial-gradient(700px 380px at 50% 0%, rgba(56,189,248,.16), transparent 60%),
    var(--bg-2);
  text-align:center;
  border-bottom:1px solid var(--line);
}
.at-cta-band h2{margin:18px 0 0;font-size:clamp(26px,3.4vw,40px);font-weight:800;color:#fff;letter-spacing:-.015em;}
.at-cta-band p{margin:16px auto 0;max-width:32em;color:var(--ink-2);font-size:17px;}
.at-cta-band .at-cta-row{justify-content:center;}

/* ============================================================
   AUTH LINKS BLOCK (preserved functionality, restyled)
   ============================================================ */
.at-authbar{
  padding:26px 0;background:var(--bg);border-bottom:1px solid var(--line);
}
.at-authbar .at-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.at-authbar .brandmark{display:flex;align-items:center;gap:12px;font-weight:700;color:var(--ink);}
.at-authbar .brandmark img{width:30px;height:30px;}
.at-links{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.at-links a{
  font-family:var(--mono);font-size:13px;letter-spacing:.02em;
  padding:9px 15px;border-radius:9px;border:1px solid var(--line-2);
  color:var(--ink-2);background:rgba(255,255,255,.02);
  transition:border-color .16s ease,color .16s ease,background .16s ease;
}
.at-links a:hover{border-color:var(--cyan-dim);color:var(--cyan);background:rgba(56,189,248,.06);}
.at-links a.solid{background:linear-gradient(180deg,#38bdf8,#0ea5e9);color:#04121c;border-color:transparent;font-weight:700;}
.at-links a.solid:hover{color:#04121c;transform:translateY(-1px);}
.at-links a.admin{border-style:dashed;color:var(--muted);}

/* ============================================================
   FOOTER
   ============================================================ */
.at-footer{background:var(--bg);padding:52px 0 60px;}
.at-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.at-footer .brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:800;color:#fff;}
.at-footer .brand img{width:34px;height:34px;}
.at-footer .about{margin-top:16px;color:var(--muted);font-size:14px;max-width:30em;}
.at-footer h4{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:0 0 14px;}
.at-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.at-footer ul a{color:var(--ink-2);font-size:14px;}
.at-footer ul a:hover{color:var(--cyan);}
.at-footer .base{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--muted);font-size:13px;font-family:var(--mono);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:960px){
  .at-hero-inner{grid-template-columns:1fr;gap:44px;}
  .at-hero-visual{max-width:520px;}
  .at-stats-grid{grid-template-columns:repeat(3,1fr);}
  .at-stats-grid .at-stat:nth-child(4),
  .at-stats-grid .at-stat:nth-child(5){grid-column:span 1;}
  .at-feature{grid-template-columns:1fr;gap:30px;}
  .at-feature.rev .at-feat-text{order:0;}
  .at-feature.rev .at-feat-visual{order:0;}
  .at-charts{grid-template-columns:1fr;}
  .at-footer .cols{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:560px){
  .at-hero{padding:64px 0 56px;}
  .at-section{padding:60px 0;}
  .at-stats-grid{grid-template-columns:repeat(2,1fr);}
  .at-telemetry{max-width:100%;}
  .at-chip{display:none;}
  .at-footer .cols{grid-template-columns:1fr;}
  .at-authbar .at-wrap{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  .at-landing *{transition:none!important;animation:none!important;}
}