:root{
  --bats-black:#0a0a0a; --bats-ink:#111214; --bats-ink-2:#15161a; --bats-ink-3:#1b1d22;
  --bats-border:rgba(255,255,255,.08); --bats-border-strong:rgba(255,255,255,.14);
  --bats-text:#f1f3f5; --bats-muted:#c9ced6; --bats-dim:#a9b0bb; --echo-red:#cc0a2f; --focus:#88c0ff;
}
*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{margin:0;font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size:16px;line-height:1.55;color:var(--bats-text);background:var(--bats-black);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;}
/* navbar button tuning */
.navbar .btn{padding:6px 10px;border-radius:8px;font-size:16px}
.navbar .btn-outline{border-width:1px}
.nav-sep{display:inline-block;width:1px;height:20px;background:var(--bats-border-strong);margin:0 6px}
.container-narrow{max-width:1120px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1320px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}.section-tight{padding:56px 0}.hstack{display:flex;align-items:center;gap:12px}
.navbar{position:sticky;top:0;z-index:1000;backdrop-filter:saturate(140%) blur(8px);background:rgba(8,8,10,.6);border-bottom:1px solid var(--bats-border)}
.navbar-inner{height:64px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--bats-text)}
.brand .logo{height:48px;width:auto;display:block}.brand .sep{opacity:.45;font-weight:800;letter-spacing:.04em}
.brand .title{font-weight:800;letter-spacing:.01em}
.hero{position:relative;min-height:78vh;display:flex;align-items:center;background:url('/static/hero.png') center/cover no-repeat;overflow:hidden}
.hero::after{content:"";position:absolute;left:0;right:0;top:0;bottom:0;background:
  radial-gradient(80% 60% at 20% 40%, rgba(204,10,47,.28), transparent 60%),
  linear-gradient(100deg, rgba(0,0,0,.84) 0%, rgba(0,0,0,.76) 55%, rgba(0,0,0,.66) 100%);pointer-events:none}
.hero .content{position:relative;z-index:1;max-width:880px;padding:72px 0;margin-left:max(calc((100vw - 1320px)/2), 16px)}
@media (min-width:1440px){.hero .content{margin-left:max(calc((100vw - 1320px)/2), 12px)}}
@media (max-width:768px){.hero .content{margin-left:16px;margin-right:16px}}
.eyebrow{display:inline-block;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#ffd7df;background:rgba(204,10,47,.16);border:1px solid rgba(204,10,47,.36);border-radius:8px;padding:6px 10px;margin-bottom:14px}
.hero h1{font-size:44px;line-height:1.08;margin:0 0 12px}.hero p.lead{font-size:18px;color:var(--bats-muted);margin:0 0 16px}
.kpis{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.kpi{display:inline-flex;align-items:center;gap:8px;border:1px dashed var(--bats-border-strong);padding:8px 10px;border-radius:10px;color:#e9ecef;font-size:14px}
.kpi .dot{width:8px;height:8px;border-radius:50%}
.btn{appearance:none;border:0;cursor:pointer;padding:12px 20px;border-radius:12px;font-weight:800;letter-spacing:.01em}
.btn-primary{background:var(--echo-red);color:white;box-shadow:0 10px 30px rgba(204,10,47,.35)}.btn-primary:hover{filter:brightness(1.02)}
.btn-outline{background:transparent;color:#f5f7fa;border:2px solid #f5f7fa}
.section-title{color:var(--echo-red);font-weight:800;text-transform:uppercase;letter-spacing:.08em;margin:0 0 8px}
.section-sub{color:var(--bats-muted);margin:0}
.card{background:linear-gradient(180deg, var(--bats-ink), var(--bats-ink-2));border:1px solid var(--bats-border);border-radius:14px;padding:22px}
.card h5{margin:0 0 8px}.card p{margin:0;color:var(--bats-dim)}
.features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
@media (max-width: 900px){ .features{grid-template-columns:1fr} }
.specs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
@media (max-width: 900px){ .specs{grid-template-columns:1fr} }
.spec-card h6{margin:0 0 10px;color:#cbd5e1;text-transform:uppercase;letter-spacing:.06em}
.spec-card ul{margin:0;padding-left:18px;color:var(--bats-dim)}
.configs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width: 1100px){ .configs{grid-template-columns:repeat(2,1fr)} }
@media (max-width: 720px){ .configs{grid-template-columns:1fr} }
.faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
@media (max-width: 900px){ .faq{grid-template-columns:1fr} }
.faq h6{margin:0 0 6px}.faq p{margin:0;color:var(--bats-dim)}
.contact-band{background:var(--echo-red);border-top:1px solid rgba(0,0,0,.25)}
.contact-band .form-card{margin-top:16px}
.form-card{background:rgba(0,0,0,.25);border:1px solid rgba(255,255,255,.22);border-radius:16px;padding:22px}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media (max-width:720px){ .form-row{grid-template-columns:1fr} }
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field label{font-weight:700}
.input{height:48px;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:rgba(0,0,0,.25);color:white;padding:0 12px;outline:none}
.input:focus{border-color:var(--focus);box-shadow:0 0 0 3px rgba(136,192,255,.3)}
 .validation{font-size:13px;color:#ffecec;display:none}.invalid .validation{display:block}
.footer{border-top:1px solid var(--bats-border);color:#aeb3bb}.small{font-size:13px}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}a{text-decoration:none;color:inherit}a:hover{text-decoration:underline}
/* Center the Use Cases section heading/subtitle */
#use-cases .section-title, #use-cases .section-sub{ text-align:center }
/* Modal */
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:2000}
.modal-backdrop.open{display:flex}
.modal{background:linear-gradient(180deg, var(--bats-ink), var(--bats-ink-2));border:1px solid var(--bats-border-strong);border-radius:16px;max-width:640px;width:92%;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.modal header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--bats-border);padding:14px 18px}
.modal header h3{margin:0}
.modal .modal-body{padding:18px}
.modal .close-btn{appearance:none;background:transparent;border:0;color:#e5e7eb;cursor:pointer;font-size:22px;line-height:1}