:root{--bg:#020813;--navy:#061326;--cyan:#2ee7ff;--blue:#4d8dff;--gold:#ffd27a;--text:#eef9ff;--muted:#99abc0;--line:rgba(120,230,255,.18)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Segoe UI",Arial,sans-serif;overflow-x:hidden}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}
.af-bg-grid{position:fixed;inset:0;z-index:-3;background:radial-gradient(circle at 70% 20%,rgba(46,231,255,.18),transparent 26%),radial-gradient(circle at 25% 70%,rgba(77,141,255,.13),transparent 30%),#020813}
.af-bg-grid:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(64,210,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(64,210,255,.055) 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,.18));}
.af-top{background:#02050b;color:#9eeeff;text-align:center;padding:9px 18px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;border-bottom:1px solid var(--line)}
.af-header{position:sticky;top:0;z-index:80;background:rgba(2,8,19,.82);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.af-nav{max-width:1240px;margin:auto;padding:17px 22px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.af-brand{display:flex;align-items:center;gap:12px}.af-logo{width:46px;height:46px;border-radius:16px;border:1px solid rgba(46,231,255,.7);display:grid;place-items:center;color:#fff;font-weight:900;letter-spacing:.05em;background:linear-gradient(135deg,rgba(46,231,255,.28),rgba(77,141,255,.1));box-shadow:0 0 34px rgba(46,231,255,.18),inset 0 0 22px rgba(46,231,255,.12)}
.af-brand strong{display:block;font-size:20px;letter-spacing:.06em;text-transform:uppercase}.af-brand span span{display:block;font-size:11px;color:#8bdff0;letter-spacing:.18em;text-transform:uppercase;margin-top:2px}
.af-menu{display:flex;gap:24px}.af-menu a{font-size:12px;font-weight:850;text-transform:uppercase;letter-spacing:.1em;color:#bfd7e8}.af-menu a:hover{color:var(--cyan)}
.af-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border:1px solid rgba(46,231,255,.55);background:linear-gradient(135deg,rgba(46,231,255,.95),rgba(77,141,255,.82));color:#02101b;font-weight:900;font-size:12px;letter-spacing:.09em;text-transform:uppercase;box-shadow:0 12px 32px rgba(46,231,255,.22);cursor:pointer}.af-btn:hover{transform:translateY(-1px);filter:brightness(1.08)}.af-btn.dark{background:rgba(255,255,255,.04);color:#dffaff}
.af-hero{position:relative;min-height:820px;background:linear-gradient(90deg,rgba(2,8,19,.97),rgba(2,8,19,.65),rgba(2,8,19,.1)),url('../images/hero-airfrequency.jpg') center/cover no-repeat;display:flex;align-items:center;overflow:hidden}
.af-hero:before{content:"";position:absolute;width:760px;height:760px;border-radius:50%;right:9%;top:13%;border:1px solid rgba(46,231,255,.32);box-shadow:0 0 0 90px rgba(46,231,255,.035),0 0 0 180px rgba(46,231,255,.025),0 0 0 270px rgba(46,231,255,.015);animation:pulseRadar 4s linear infinite}
.af-hero:after{content:"";position:absolute;width:620px;height:620px;right:13%;top:18%;background:conic-gradient(from 0deg,rgba(46,231,255,.0),rgba(46,231,255,.22),rgba(46,231,255,0) 40%);border-radius:50%;animation:sweep 5s linear infinite;mix-blend-mode:screen}
@keyframes sweep{to{transform:rotate(360deg)}}@keyframes pulseRadar{0%,100%{opacity:.85;transform:scale(.98)}50%{opacity:1;transform:scale(1.02)}}
.af-hero-inner{position:relative;z-index:2;max-width:1240px;width:100%;margin:auto;padding:88px 22px}.af-kicker{color:var(--cyan);text-transform:uppercase;letter-spacing:.2em;font-weight:900;font-size:12px;margin-bottom:18px;text-shadow:0 0 20px rgba(46,231,255,.45)}
.af-hero h1{max-width:800px;margin:0 0 22px;font-size:78px;line-height:.95;letter-spacing:-.055em}.af-hero h1 span{color:transparent;background:linear-gradient(90deg,#fff,var(--cyan),#8fb6ff);-webkit-background-clip:text;background-clip:text}
.af-hero p{max-width:650px;margin:0 0 34px;color:#c4d7e5;font-size:19px;line-height:1.8}.af-actions{display:flex;gap:14px;flex-wrap:wrap}
.af-metrics{max-width:1180px;margin:-58px auto 0;position:relative;z-index:5;background:rgba(6,19,38,.82);backdrop-filter:blur(18px);border:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);box-shadow:0 28px 70px rgba(0,0,0,.35)}
.af-metric{padding:28px;text-align:center;border-right:1px solid var(--line)}.af-metric:last-child{border-right:0}.af-metric b{font-size:28px;color:#fff;display:block}.af-metric span{font-size:13px;color:#8fb0c4;letter-spacing:.08em;text-transform:uppercase}
.af-section{max-width:1240px;margin:96px auto 0;padding:0 22px}.af-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:34px}.af-head h2{margin:0;font-size:48px;line-height:1;letter-spacing:-.04em}.af-head p{max-width:580px;margin:0;color:var(--muted);line-height:1.8}
.af-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.af-card{position:relative;overflow:hidden;border:1px solid var(--line);background:rgba(255,255,255,.035);min-height:420px}.af-card img{width:100%;height:220px;object-fit:cover;opacity:.86;transition:.35s}.af-card:hover img{transform:scale(1.04);opacity:1}.af-card div{padding:28px}.af-card h3{font-size:26px;margin:0 0 12px}.af-card p{color:#9fb3c4;line-height:1.7;margin:0}
.af-split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}.af-split img{width:100%;height:560px;object-fit:cover;border:1px solid var(--line)}.af-panel{background:linear-gradient(145deg,rgba(6,19,38,.96),rgba(2,8,19,.86));border:1px solid var(--line);padding:56px;position:relative;overflow:hidden}.af-panel:before{content:"";position:absolute;inset:-70px;background:radial-gradient(circle at 80% 15%,rgba(46,231,255,.18),transparent 30%);animation:floatGlow 7s ease-in-out infinite}@keyframes floatGlow{50%{transform:translate(-35px,30px)}}.af-panel>*{position:relative}.af-panel h2{font-size:48px;line-height:1;margin:0 0 18px}.af-panel p{color:#a8bbca;line-height:1.85}
.af-wave{margin-top:96px;padding:70px 22px;background:linear-gradient(180deg,rgba(46,231,255,.08),rgba(2,8,19,.02));border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}.wave-line{height:160px;max-width:1200px;margin:auto;background:repeating-linear-gradient(90deg,transparent 0 18px,rgba(46,231,255,.16) 18px 20px);position:relative}.wave-line:before,.wave-line:after{content:"";position:absolute;left:-10%;right:-10%;top:55%;height:4px;background:linear-gradient(90deg,transparent,var(--cyan),#fff,var(--cyan),transparent);filter:drop-shadow(0 0 16px var(--cyan));animation:waveMove 3.2s linear infinite}.wave-line:after{top:38%;opacity:.55;animation-duration:5s}@keyframes waveMove{from{transform:translateX(-80px) skewY(-8deg)}to{transform:translateX(80px) skewY(8deg)}}
.af-form-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px}.af-contact{background:#061326;border:1px solid var(--line);padding:44px}.af-contact h2{font-size:44px;margin:0 0 16px}.af-contact p,.af-contact li{color:#a8bbca;line-height:1.8}.af-form{background:rgba(255,255,255,.045);border:1px solid var(--line);padding:36px}.af-form label{display:block;font-size:12px;font-weight:900;letter-spacing:.09em;text-transform:uppercase;margin:0 0 8px;color:#dffaff}.af-form input,.af-form textarea,.af-form select{width:100%;border:1px solid rgba(160,235,255,.22);background:#061326;color:#fff;padding:14px;margin-bottom:18px;font:inherit}.af-form textarea{min-height:124px;resize:vertical}.af-form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.af-check{display:flex!important;gap:10px;align-items:flex-start;text-transform:none!important;letter-spacing:0!important;font-weight:400!important;color:#a8bbca;line-height:1.5}.af-check input{width:auto;margin:3px 0 0}.honey{position:absolute;left:-5000px;opacity:0}
.af-footer{margin-top:96px;background:#02050b;border-top:1px solid var(--line);padding:54px 22px 30px}.af-footer-inner{max-width:1240px;margin:auto;display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:34px}.af-footer h3{margin:0 0 14px;font-size:25px}.af-footer p,.af-footer a{color:#9bb2c4;line-height:1.8;font-size:14px}.af-bottom{max-width:1240px;margin:30px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);text-align:center;color:#7d93a8;font-size:13px}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .75s ease,transform .75s ease}.reveal.in{opacity:1;transform:translateY(0)}
@media(max-width:980px){.af-menu{display:none}.af-hero h1{font-size:52px}.af-metrics,.af-card-grid,.af-footer-inner{grid-template-columns:1fr 1fr}.af-split,.af-form-wrap{grid-template-columns:1fr}.af-panel{padding:34px}}
@media(max-width:620px){.af-hero{min-height:680px}.af-hero h1{font-size:42px}.af-metrics,.af-card-grid,.af-footer-inner,.af-form .row{grid-template-columns:1fr}.af-head{display:block}.af-head h2{font-size:38px;margin-bottom:14px}.af-brand strong{font-size:17px}.af-nav{padding:14px}}