/* ==============================================================
   AUREON TECHNOLOGY — MAIN STYLESHEET
   Each numbered CSS section matches index.html.
   Change colors globally in :root below.
================================================================ */
:root{--bg:#050b10;--bg2:#09131b;--panel:#0c1821;--panel2:#0a141c;--line:#1c3442;--text:#eef7fb;--muted:#93aab6;--cyan:#65d8ff;--cyan2:#b9efff;--max:1200px;--radius:16px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}a{color:inherit;text-decoration:none}.container{width:min(var(--max),calc(100% - 48px));margin:auto}.section{padding:112px 0;border-top:1px solid rgba(101,216,255,.08)}.section-dark{background:var(--bg)}.kicker{display:flex;align-items:center;gap:10px;margin:0 0 20px;color:var(--cyan);font:700 12px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.17em}.kicker span{width:24px;height:1px;background:var(--cyan)}h1,h2,h3,p{margin-top:0}h2{font-size:clamp(38px,5vw,62px);line-height:1.03;letter-spacing:-.045em;margin-bottom:22px}.section-heading{max-width:820px;margin-bottom:50px}.section-heading>p:last-child{max-width:720px;color:var(--muted);font-size:18px}
/* 01 HEADER */.site-header{height:76px;position:sticky;top:0;z-index:100;background:rgba(5,11,16,.86);backdrop-filter:blur(18px);border-bottom:1px solid rgba(101,216,255,.1)}.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;font-size:13px;font-weight:800;letter-spacing:.12em}.brand em{color:var(--cyan);font-style:normal}.brand-mark{width:30px;height:30px;display:grid;place-items:center;border:1px solid #39778e;color:var(--cyan);font-size:14px}.nav{display:flex;align-items:center;gap:27px;color:#9db0bb;font-size:13px}.nav a:hover{color:white}.nav-cta{border:1px solid #345669;padding:9px 14px;color:#dff7ff!important}.menu-btn{display:none;background:none;border:0;color:white;font-size:24px}
/* 02 HERO */.hero{position:relative;overflow:hidden;min-height:760px;display:flex;align-items:center}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:center;padding:100px 0}.hero h1{font-size:clamp(55px,7.4vw,94px);line-height:.93;letter-spacing:-.065em;margin:0 0 30px}.hero h1 span{color:#9db0ba}.hero-lead{max-width:760px;color:#a6bac5;font-size:19px}.hero-actions{display:flex;gap:12px;margin:36px 0}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:14px 18px;border-radius:4px;font-size:13px;font-weight:750;letter-spacing:.02em}.button-primary{background:#eafaff;color:#061017}.button-secondary{border:1px solid #335264;color:#d6e7ef}.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;color:#637985;font:700 10px ui-monospace,monospace;letter-spacing:.13em}.hero-meta i{width:3px;height:3px;border-radius:50%;background:#41606e}.hero-glow{position:absolute;border-radius:50%;filter:blur(1px);pointer-events:none}.hero-glow-one{width:650px;height:650px;right:-240px;top:-250px;background:radial-gradient(circle,rgba(0,166,220,.13),transparent 65%)}.hero-glow-two{width:500px;height:500px;left:-250px;bottom:-250px;background:radial-gradient(circle,rgba(0,166,220,.08),transparent 65%)}.radar-card{justify-self:end;width:min(420px,100%);padding:22px;background:linear-gradient(145deg,rgba(15,35,46,.85),rgba(5,13,19,.7));border:1px solid #183747}.radar{aspect-ratio:1;position:relative;border-radius:50%;overflow:hidden;background:radial-gradient(circle,#0b2832 0,#07171e 45%,#040a0e 72%);border:1px solid #235163}.ring{position:absolute;border:1px solid rgba(101,216,255,.14);border-radius:50%;inset:15%}.r2{inset:30%}.r3{inset:44%}.cross{position:absolute;background:rgba(101,216,255,.12)}.cross.x{height:1px;left:4%;right:4%;top:50%}.cross.y{width:1px;top:4%;bottom:4%;left:50%}.sweep{position:absolute;width:50%;height:50%;left:50%;top:0;transform-origin:0 100%;background:linear-gradient(135deg,rgba(101,216,255,.23),transparent 65%);animation:sweep 5s linear infinite}.target{position:absolute;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan)}.t1{left:67%;top:32%}.t2{left:36%;top:64%}.t3{left:72%;top:70%;opacity:.45}.radar-caption{display:flex;justify-content:space-between;margin-top:15px;color:#607985;font-size:10px}.radar-caption strong{color:#73dfff}@keyframes sweep{to{transform:rotate(360deg)}}
/* 03 TECHNOLOGY */.tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.tech-card{position:relative;padding:28px;min-height:340px;background:linear-gradient(180deg,#0c1922,#08131a);border:1px solid #17313f}.card-num{position:absolute;right:20px;top:18px;color:#405b68;font:700 11px ui-monospace,monospace}.icon{color:var(--cyan);font-size:31px;margin:25px 0 30px}.tech-card h3{font-size:20px}.tech-card p{color:var(--muted);font-size:14px}.mini-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:25px}.mini-tags span{padding:5px 7px;border:1px solid #223c49;color:#67818d;font:700 9px ui-monospace,monospace}
/* 04 DEMO */.demo-section{background:#071018}.demo-head{display:grid;grid-template-columns:1.25fr .75fr;gap:70px;align-items:end;margin-bottom:40px}.demo-head>p{color:var(--muted);font-size:17px}.video-shell{position:relative;aspect-ratio:16/9;background:#020507;border:1px solid #254655;overflow:hidden;box-shadow:0 30px 90px rgba(0,0,0,.35)}.video-shell video{width:100%;height:100%;object-fit:contain;display:block}.video-placeholder{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:radial-gradient(circle at 50% 45%,#0d2934,#050b10 60%);padding:30px}.video-placeholder h3{font-size:25px;margin:16px 0 5px}.video-placeholder p{color:#79919d}.play-icon{width:66px;height:66px;display:grid;place-items:center;border:1px solid #408aa4;border-radius:50%;color:var(--cyan);padding-left:4px}.video-label{position:absolute;left:15px;top:15px;padding:7px 9px;background:rgba(3,9,13,.82);border:1px solid #244654;color:#69d8ff;font:700 9px ui-monospace,monospace;letter-spacing:.12em}.scenario-grid{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid #193541;border-top:0}.scenario-grid div{padding:18px;border-right:1px solid #193541}.scenario-grid div:last-child{border:0}.scenario-grid strong,.scenario-grid span{display:block}.scenario-grid strong{color:#cbeaf4;font:700 10px ui-monospace,monospace;letter-spacing:.08em}.scenario-grid span{color:#637e8a;font-size:11px;margin-top:5px}
/* 05 APPLICATIONS */.application-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.application-card{padding:35px;background:#0a151d;border:1px solid #17303c;min-height:270px}.application-card.featured{background:linear-gradient(135deg,#0d202a,#09141b);border-color:#2a5668}.app-code{color:var(--cyan);font:700 10px ui-monospace,monospace;letter-spacing:.12em}.application-card h3{font-size:27px;margin:42px 0 12px}.application-card p{color:var(--muted);max-width:520px}.application-card a{display:inline-block;margin-top:20px;color:var(--cyan);font-size:13px}
/* 06 APPROACH */.approach-section{background:#071018}.steps{display:flex;align-items:flex-start}.step{flex:1}.step>span{display:grid;place-items:center;width:38px;height:38px;border:1px solid #326479;color:var(--cyan);font:700 11px ui-monospace,monospace;margin-bottom:24px}.step h3{font-size:19px}.step p{color:#718b97;font-size:13px}.step-line{height:1px;flex:.35;background:#23424f;margin:19px 12px 0}
/* 07 THESIS */.thesis{padding:145px 0}.thesis blockquote{margin:25px 0 30px;max-width:1080px;font-size:clamp(38px,5.4vw,70px);line-height:1.08;letter-spacing:-.045em}.thesis blockquote em{color:var(--cyan2);font-style:normal}.thesis-copy{color:var(--muted);font-size:18px;max-width:680px}
/* 08 CONTACT */.contact{background:linear-gradient(130deg,#0a1c25,#061016)}.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end}.contact-copy{color:#9bb0ba}.contact-copy .button{margin-top:22px}
/* 09 FOOTER */footer{padding:40px 0;border-top:1px solid #172c36;color:#657d88}.footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;font-size:11px}.footer-grid p{margin:0;text-align:center}.footer-grid p:last-child{text-align:right}
/* RESPONSIVE */.reveal{opacity:0;transform:translateY(18px);transition:.7s ease}.reveal.visible{opacity:1;transform:none}@media(max-width:980px){.hero-grid,.demo-head,.contact-grid{grid-template-columns:1fr}.radar-card{justify-self:start;width:360px}.tech-grid{grid-template-columns:repeat(2,1fr)}.scenario-grid{grid-template-columns:repeat(3,1fr)}.steps{display:grid;grid-template-columns:1fr 1fr;gap:30px}.step-line{display:none}}@media(max-width:720px){.container{width:min(100% - 30px,var(--max))}.section{padding:80px 0}.nav{display:none;position:absolute;top:76px;left:0;right:0;padding:20px 24px;background:#071018;border-bottom:1px solid #1c3442;flex-direction:column;align-items:flex-start}.nav.open{display:flex}.menu-btn{display:block}.hero{min-height:auto}.hero-grid{padding:80px 0}.hero h1{font-size:52px}.radar-card{width:100%}.tech-grid,.application-grid{grid-template-columns:1fr}.scenario-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:18px}.footer-grid p,.footer-grid p:last-child{text-align:left}}

/* ============================================================
   RESEARCH COLLABORATIONS — PREMIUM SHOWCASE
============================================================= */
.collaboration-section{position:relative;overflow:hidden}
.collaboration-section::before{content:"";position:absolute;width:520px;height:520px;right:-180px;top:60px;border:1px solid rgba(103,211,255,.09);border-radius:50%;box-shadow:0 0 0 90px rgba(103,211,255,.025),0 0 0 180px rgba(103,211,255,.015);pointer-events:none}
.collab-intro{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:70px;align-items:end;margin-bottom:46px}
.collab-intro .section-title{max-width:760px;margin-bottom:0}.collab-intro .section-lead{margin:0 0 7px}
.collab-showcase{display:grid;gap:22px}
.partner-card{position:relative;background:linear-gradient(145deg,rgba(14,30,40,.96),rgba(8,20,29,.98));border:1px solid rgba(112,158,181,.22);border-radius:18px;padding:34px;overflow:hidden;box-shadow:0 22px 70px rgba(0,0,0,.18)}
.partner-card::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(105,213,255,.025),transparent 32%);pointer-events:none}
.partner-card-featured{border-color:rgba(105,213,255,.32)}
.partner-topline{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-bottom:20px;margin-bottom:26px;border-bottom:1px solid rgba(145,181,199,.13)}
.partner-index{font:600 12px/1 monospace;color:#67d3ff;letter-spacing:.12em}.partner-role{font-size:11px;font-weight:750;letter-spacing:.16em;color:#829aa8}
.partner-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:28px}.partner-university{color:#6fd5ff;font-size:11px;font-weight:800;letter-spacing:.16em;margin-bottom:9px}
.partner-heading h3{margin:0;font-size:clamp(25px,3vw,37px);line-height:1.12;letter-spacing:-.025em;max-width:820px}.partner-heading h3 a{transition:color .2s ease}.partner-heading h3 a:hover{color:#86ddff}
.external-arrow{font-size:.65em;vertical-align:top;color:#6fd5ff;margin-left:5px}.partner-site{flex:0 0 auto;border:1px solid rgba(111,213,255,.32);border-radius:999px;padding:10px 15px;font-size:12px;font-weight:750;color:#bfeeff;transition:.2s ease}.partner-site:hover{background:rgba(111,213,255,.08);border-color:#6fd5ff}
.partner-summary{color:#9fb5c1;font-size:16px;line-height:1.75;max-width:930px;margin:23px 0 30px}
.scope-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid rgba(145,181,199,.13)}
.scope-item{padding:25px 28px 5px 0}.scope-item + .scope-item{padding-left:28px;border-left:1px solid rgba(145,181,199,.13)}
.scope-no{display:block;color:#617986;font:600 11px/1 monospace;margin-bottom:13px}.scope-item h4{font-size:16px;margin:0 0 8px;color:#eaf4f8}.scope-item p{margin:0;color:#8299a6;font-size:13.5px;line-height:1.65}
.collab-bridge{display:flex;align-items:center;gap:18px;margin-top:30px;color:#8ea5b1}.bridge-line{width:56px;height:1px;background:#4f6d7c;flex:0 0 auto}.collab-bridge p{margin:0;font-size:13px}.collab-bridge strong{color:#dbeaf1}
@media(max-width:850px){.collab-intro{grid-template-columns:1fr;gap:18px}.partner-heading{flex-direction:column}.scope-grid{grid-template-columns:1fr}.scope-item{padding:22px 0}.scope-item + .scope-item{padding-left:0;border-left:0;border-top:1px solid rgba(145,181,199,.13)}}
@media(max-width:520px){.partner-card{padding:24px 20px}.partner-topline{align-items:flex-start;flex-direction:column;gap:8px}}

/* Collaboration point-only refinement */
.pointwise-scopes{margin-top:30px}
.pointwise-scopes .scope-item{min-height:132px}
.pointwise-scopes .scope-item h4{font-size:17px;margin-bottom:12px}
.pointwise-scopes .scope-item p{font-size:12px;letter-spacing:.035em;text-transform:uppercase;color:#7893a1}

/* ============================================================
   RESEARCH COLLABORATION — EDITORIAL / PRODUCT-LIKE REDESIGN
============================================================= */
.research-collab{position:relative;overflow:hidden}
.research-collab-head{display:grid;grid-template-columns:minmax(0,800px) 1fr;gap:48px;align-items:end;margin-bottom:46px}
.research-collab-head .section-title{margin-bottom:0}
.research-rule{height:1px;background:linear-gradient(90deg,rgba(101,211,255,.45),rgba(101,211,255,0));margin-bottom:12px}
.research-partners{display:grid;gap:18px}
.research-partner{display:grid;grid-template-columns:115px 1fr;background:linear-gradient(135deg,rgba(13,29,39,.96),rgba(8,18,27,.98));border:1px solid rgba(120,159,178,.18);border-radius:16px;overflow:hidden;transition:transform .25s ease,border-color .25s ease}
.research-partner:hover{transform:translateY(-2px);border-color:rgba(105,211,255,.34)}
.research-partner-primary{border-color:rgba(105,211,255,.27)}
.rp-side{padding:30px 22px;border-right:1px solid rgba(132,169,186,.14);display:flex;flex-direction:column;justify-content:space-between;min-height:310px}
.rp-number{font:500 28px/1 monospace;color:#66d3ff}
.rp-type{font-size:9px;font-weight:800;letter-spacing:.18em;color:#647f8d;writing-mode:vertical-rl;transform:rotate(180deg)}
.rp-main{padding:30px 34px 28px}
.rp-title-row{display:flex;justify-content:space-between;gap:28px;align-items:flex-start;padding-bottom:26px}
.rp-school{display:block;font-size:10px;font-weight:800;letter-spacing:.18em;color:#6dd5ff;margin-bottom:9px}
.rp-title-row h3{font-size:clamp(24px,2.7vw,35px);line-height:1.12;letter-spacing:-.025em;margin:0;max-width:790px}
.rp-title-row h3 a:hover{color:#84ddff}.rp-title-row h3 span{font-size:.65em;color:#6dd5ff;vertical-align:top}
.rp-link{white-space:nowrap;font-size:10px;font-weight:800;letter-spacing:.13em;color:#9ddff8;border-bottom:1px solid rgba(109,213,255,.35);padding:6px 0}
.rp-link:hover{color:#fff;border-color:#fff}
.rp-tracks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid rgba(132,169,186,.13)}
.rp-track{padding:24px 27px 0 0}
.rp-track + .rp-track{border-left:1px solid rgba(132,169,186,.13);padding-left:27px}
.rp-track>span{display:block;font:600 9px/1 monospace;letter-spacing:.12em;color:#557381;margin-bottom:12px}
.rp-track h4{font-size:15px;line-height:1.3;margin:0 0 8px;color:#e7f2f7}
.rp-track p{font-size:13px;line-height:1.65;color:#829aa7;margin:0;max-width:310px}
@media(max-width:900px){.research-collab-head{grid-template-columns:1fr;gap:10px}.research-rule{display:none}.research-partner{grid-template-columns:1fr}.rp-side{min-height:auto;border-right:0;border-bottom:1px solid rgba(132,169,186,.14);flex-direction:row;align-items:center;padding:18px 22px}.rp-type{writing-mode:horizontal-tb;transform:none}.rp-tracks{grid-template-columns:1fr}.rp-track{padding:20px 0}.rp-track + .rp-track{border-left:0;border-top:1px solid rgba(132,169,186,.13);padding-left:0}.rp-title-row{flex-direction:column}.rp-main{padding:26px 24px}}

/* ============================================================
   RESEARCH COLLABORATIONS — MATCHES EXISTING AUREON CARD DESIGN
============================================================= */
.collab-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:38px}
.collab-card{background:#0c1a24;border:1px solid #1e3442;border-radius:12px;padding:28px;display:flex;flex-direction:column;min-height:510px;transition:transform .22s ease,border-color .22s ease,background .22s ease}
.collab-card:hover{transform:translateY(-3px);border-color:#315365;background:#0d1d28}
.collab-card-top{display:flex;justify-content:space-between;align-items:center;gap:18px;padding-bottom:20px;border-bottom:1px solid #1e3442;margin-bottom:25px}
.collab-card-number{color:#66d3ff;font-family:monospace;font-size:13px}.collab-card-tag{color:#6f8997;font-size:9px;font-weight:800;letter-spacing:.14em;text-align:right}
.collab-school{display:block;color:#67d3ff;font-size:10px;font-weight:800;letter-spacing:.15em;margin-bottom:10px}
.collab-card-title{font-size:24px;line-height:1.2;letter-spacing:-.02em;margin:0 0 24px;color:#eaf2f7;min-height:58px}
.collab-card-title a{transition:color .2s ease}.collab-card-title a:hover{color:#7cddff}
.collab-points{border-top:1px solid #1e3442}
.collab-point{display:grid;grid-template-columns:30px 1fr;gap:13px;padding:18px 0;border-bottom:1px solid #1e3442}
.collab-point>span{font:600 10px/1.4 monospace;color:#567585;padding-top:3px}
.collab-point h4{font-size:14px;margin:0 0 5px;color:#e7f1f6}.collab-point p{font-size:12.5px;line-height:1.55;color:#8299a6;margin:0}
.collab-card-link{margin-top:auto;padding-top:22px;color:#83dfff;font-size:10px;font-weight:800;letter-spacing:.12em}.collab-card-link:hover{color:#fff}
@media(max-width:820px){.collab-card-grid{grid-template-columns:1fr}.collab-card{min-height:auto}.collab-card-title{min-height:0}}

/* C-UAS target platform — matches existing card language */
.target-drone-card{display:grid;grid-template-columns:220px 1fr;gap:26px;align-items:center;margin-top:24px;background:#0c1a24;border:1px solid #1e3442;border-radius:12px;padding:20px 24px}
.target-drone-image{background:#fff;border-radius:9px;overflow:hidden;aspect-ratio:16/10;display:flex;align-items:center;justify-content:center}
.target-drone-image img{width:100%;height:100%;object-fit:contain;display:block}
.target-drone-label{display:block;color:#67d3ff;font-size:9px;font-weight:800;letter-spacing:.16em;margin-bottom:8px}
.target-drone-copy h3{margin:0 0 8px;font-size:22px;color:#eaf2f7}
.target-drone-copy p{margin:0;color:#8299a6;font-size:13px;line-height:1.6;max-width:680px}
@media(max-width:650px){.target-drone-card{grid-template-columns:1fr}.target-drone-image{max-width:320px}}

/* Exact C-UAS validation image placement */
.demo-validation-proof{display:grid;grid-template-columns:minmax(0,1fr) 190px;gap:18px;align-items:center}
.demo-validation-proof>p{margin:0}
.demo-validation-proof figure{margin:0;background:#fff;border:1px solid #203744;border-radius:10px;overflow:hidden}
.demo-validation-proof img{display:block;width:100%;aspect-ratio:4/3;object-fit:contain}
.demo-validation-proof figcaption{background:#0c1a24;color:#79d9ff;font-size:8px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;padding:7px 9px}
.demo-contact-link{margin-top:22px;padding:18px 0;border-top:1px solid #1e3442;border-bottom:1px solid #1e3442}
.demo-contact-link a{display:inline-flex;align-items:center;gap:16px;color:#70d8ff;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.demo-contact-link a:hover{color:#fff}
@media(max-width:700px){.demo-validation-proof{grid-template-columns:1fr}.demo-validation-proof figure{max-width:260px}}

/* ============================================================
   COMPACT DJI MAVIC 3 — sentence remains visually dominant
============================================================= */
.demo-validation-proof{
  grid-template-columns:minmax(0,1fr) 118px !important;
  gap:16px !important;
  align-items:center;
}
.compact-drone-figure{
  width:118px !important;
  justify-self:end;
  border-radius:8px !important;
  box-shadow:0 8px 24px rgba(0,0,0,.16);
}
.compact-drone-figure img{
  width:100% !important;
  aspect-ratio:1.35/1 !important;
  object-fit:contain !important;
  padding:5px;
  background:#fff;
}
.compact-drone-figure figcaption{
  padding:5px 7px !important;
  font-size:7px !important;
  text-align:center;
}

/* ============================================================
   LOCKED DEMO PREVIEWS — video-player look, contact-gated
============================================================= */
.locked-demo-preview{
  display:block;position:relative;margin-top:24px;border:1px solid #274453;
  border-radius:12px;overflow:hidden;background:#07131b;
  box-shadow:0 18px 50px rgba(0,0,0,.22);cursor:pointer;
}
.preview-stage{position:relative;aspect-ratio:16/7;min-height:310px;overflow:hidden;background:
  radial-gradient(circle at 70% 40%,rgba(43,137,171,.16),transparent 30%),
  linear-gradient(145deg,#0b202b,#07131b 62%,#091923)}
.preview-grid{position:absolute;inset:0;opacity:.24;background-image:
  linear-gradient(rgba(89,188,224,.13) 1px,transparent 1px),
  linear-gradient(90deg,rgba(89,188,224,.13) 1px,transparent 1px);
  background-size:42px 42px;transform:perspective(500px) rotateX(5deg) scale(1.08)}
.preview-stage::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,11,16,.08),rgba(3,11,16,.28))}
.preview-hud{position:absolute;z-index:3;top:20px;display:flex;gap:8px}
.preview-hud-left{left:22px;flex-direction:column;gap:4px}.preview-hud-left span{font:600 8px/1 monospace;letter-spacing:.12em;color:#65d6ff}.preview-hud-left b{font-size:12px;letter-spacing:.08em;color:#dceef5}
.preview-hud-right{right:22px}.preview-hud-right span{padding:5px 7px;border:1px solid rgba(100,205,244,.22);background:rgba(5,20,28,.72);border-radius:4px;font:600 7px/1 monospace;letter-spacing:.08em;color:#8eb7c8}
.preview-lock{position:absolute;z-index:5;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;text-align:center}
.preview-play{width:62px;height:62px;display:grid;place-items:center;padding-left:4px;border-radius:50%;border:1px solid rgba(108,216,255,.55);background:rgba(7,25,34,.88);box-shadow:0 0 0 9px rgba(84,196,237,.06),0 12px 35px rgba(0,0,0,.35);color:#7bdcff;font-size:17px;transition:.2s ease}
.preview-lock strong{margin-top:14px;color:#e9f5f9;font-size:10px;letter-spacing:.17em}.preview-lock span{margin-top:5px;color:#79a1b1;font-size:9px;letter-spacing:.06em}
.locked-demo-preview:hover .preview-play{transform:scale(1.06);border-color:#82e1ff;background:#0d3343}.locked-demo-preview:hover{border-color:#3d7188}
.preview-bottom{position:absolute;z-index:4;left:20px;right:20px;bottom:16px;display:flex;justify-content:space-between;padding-top:10px;border-top:1px solid rgba(119,188,213,.17);font:600 7px/1 monospace;letter-spacing:.12em;color:#60808e}

/* C-UAS final-frame visual */
.preview-track{position:absolute;z-index:2;width:42%;height:34%;left:27%;top:35%;border-top:1px dashed rgba(98,218,255,.5);border-radius:50%;transform:rotate(-12deg)}
.preview-target{position:absolute;z-index:3;left:62%;top:42%;width:52px;height:52px;border:1px solid rgba(104,222,255,.6)}
.preview-target::before,.preview-target::after{content:"";position:absolute;background:rgba(104,222,255,.55)}.preview-target::before{width:68px;height:1px;left:-9px;top:25px}.preview-target::after{width:1px;height:68px;left:25px;top:-9px}.preview-target span{position:absolute;width:5px;height:5px;border-radius:50%;background:#83e5ff;left:23px;top:23px;box-shadow:0 0 12px #83e5ff}

/* GPS-denied final-frame visual */
.nav-preview .preview-stage{background:radial-gradient(circle at 42% 52%,rgba(35,126,158,.18),transparent 28%),linear-gradient(145deg,#0a1d27,#07131b)}
.nav-route{position:absolute;z-index:2;width:55%;height:42%;left:22%;top:31%;border:2px dashed rgba(102,216,255,.46);border-left-color:transparent;border-bottom-color:rgba(102,216,255,.25);border-radius:48% 55% 42% 60%;transform:rotate(-7deg)}
.nav-node{position:absolute;z-index:3;width:9px;height:9px;border:2px solid #75ddff;border-radius:50%;box-shadow:0 0 14px rgba(117,221,255,.7)}.nav-node-a{left:27%;top:59%}.nav-node-b{left:49%;top:37%}.nav-node-c{left:72%;top:55%}

@media(max-width:700px){
  .demo-validation-proof{grid-template-columns:1fr !important}
  .compact-drone-figure{justify-self:start !important;width:105px !important}
  .preview-stage{aspect-ratio:4/3;min-height:280px}
  .preview-hud-right{display:none}.preview-bottom{gap:10px}
}