:root{
  --navy:#08233d;
  --navy2:#061a2c;
  --blue:#0f6fb6;
  --blue2:#0a558d;
  --sky:#42b2df;
  --cyan:#82e0f2;
  --ink:#142535;
  --muted:#5a6b78;
  --paper:#fff;
  --soft:#eef8fc;
  --soft2:#f7fbfd;
  --line:#d6e7ef;
  --good:#087968;
  --shadow:0 16px 40px rgba(8,35,61,.11);
  --shadow2:0 10px 24px rgba(8,35,61,.08);
  --radius:20px;
  --shell:1180px;
  --header-block-h:148px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.52}
a{color:inherit}
img,svg{max-width:100%}
.shell{width:min(var(--shell),calc(100% - 42px));margin-inline:auto}

/* --- heritage + modern masthead --- */
.topline{min-height:27px;display:grid;place-items:center;padding:5px 18px;background:var(--navy);color:#e2f8ff;text-align:center;font-size:12px;line-height:1.2;letter-spacing:.015em}
.brand-masthead{position:relative;overflow:hidden;background:linear-gradient(180deg,#fbfeff 0%,#edf8fc 100%);border-bottom:1px solid var(--line)}
.brand-masthead::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 8% 50%,rgba(66,178,223,.15),transparent 20%),repeating-linear-gradient(0deg,transparent 0 18px,rgba(15,111,182,.023) 18px 19px);pointer-events:none}
.brand-masthead::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--cyan),var(--blue));opacity:.72}
.masthead-inner{min-height:75px;display:flex;align-items:center;justify-content:space-between;gap:28px;position:relative;z-index:1}
.brand{display:flex;align-items:center;gap:13px;min-width:0;text-decoration:none;color:var(--navy)}
.brand-mark{width:50px;height:42px;flex:0 0 50px;color:var(--navy);display:grid;place-items:center}
.brand-mark svg{display:block;width:100%;height:100%}
.brand-copy{display:grid;grid-template-columns:auto auto;align-items:end;column-gap:7px;line-height:.93;min-width:0}
.brand-name{font-size:clamp(31px,3vw,42px);font-weight:950;letter-spacing:-.055em;color:var(--navy);white-space:nowrap}
.brand-co{font-size:13px;font-weight:950;color:var(--blue);padding-bottom:4px;white-space:nowrap}
.brand-motto{grid-column:1/-1;margin-top:6px;font:italic 750 14px/1.05 Georgia,"Times New Roman",serif;color:#275976;letter-spacing:.008em;white-space:nowrap}
.masthead-side{text-align:right;display:grid;gap:5px;justify-items:end;flex:0 0 auto}
.masthead-label{font:800 9.5px/1.1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.12em;color:#668295;text-transform:uppercase}
.masthead-phone{font-size:20px;font-weight:950;line-height:1;text-decoration:none;color:var(--blue)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-bottom:1px solid rgba(8,35,61,.1)}
.nav-inner{min-height:46px;display:flex;align-items:center;justify-content:center}
.main-nav{display:flex;align-items:center;justify-content:center;gap:4px;width:100%}
.main-nav a{text-decoration:none;font-size:13px;font-weight:820;padding:8px 12px;border-radius:9px;color:#31495b;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{background:var(--soft);color:var(--blue)}
.main-nav .nav-cta{margin-left:auto;background:var(--blue);color:#fff;padding-inline:15px}
.main-nav .nav-cta:hover{background:var(--navy);color:#fff}
.menu-toggle{display:none;border:0;background:var(--soft);color:var(--navy);border-radius:10px;font-size:22px;padding:7px 11px}

/* --- buttons / shared --- */
.cta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:17px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:10px 17px;border-radius:12px;border:1px solid transparent;text-decoration:none;font-weight:880;line-height:1.15}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 9px 24px rgba(15,111,182,.20)}
.btn-primary:hover{background:var(--navy)}
.btn-secondary{background:#fff;border-color:#bdd8e6;color:var(--navy)}
.btn-secondary:hover{border-color:var(--blue);color:var(--blue)}
.offer-badge{display:inline-block;padding:5px 9px;border-radius:999px;background:#def5ed;color:var(--good);font-size:10px;font-weight:950;letter-spacing:.075em;text-transform:uppercase}
.eyebrow,.tech-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font:850 11px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.09em}
.tech-kicker::before{content:"";width:20px;height:1px;background:var(--sky);box-shadow:7px -4px 0 -.2px var(--sky),14px 3px 0 -.2px var(--sky)}

/* --- first screen --- */
.fold-stage{height:calc(100dvh - var(--header-block-h));min-height:535px;max-height:650px;display:flex;flex-direction:column;background:#fff}
.hero{position:relative;overflow:hidden;flex:1 1 auto;min-height:0;border-bottom:1px solid var(--line);background:radial-gradient(circle at 84% 16%,rgba(87,208,239,.38),transparent 29%),radial-gradient(circle at 10% 82%,rgba(66,178,223,.13),transparent 28%),linear-gradient(135deg,#fcfeff 0%,#e9f7fc 100%)}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(15,111,182,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(15,111,182,.05) 1px,transparent 1px),radial-gradient(circle,rgba(15,111,182,.16) 1px,transparent 1.5px);background-size:34px 34px,34px 34px,17px 17px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.64),transparent 92%);pointer-events:none}
.hero::before{content:"RF SURVEY // -61 dBm // 5 GHz // SNR 41 dB";position:absolute;right:4%;top:5%;z-index:1;color:rgba(8,35,61,.28);font:750 9px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em}
.hero-grid{position:relative;z-index:2;height:100%;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:32px;align-items:center;padding:16px 0 15px}
.hero-copy{min-width:0}
.hero h1{margin:7px 0 10px;color:var(--navy);font-size:clamp(42px,4.85vw,66px);line-height:.94;letter-spacing:-.055em;max-width:760px}
.hero h1 span{display:block;color:var(--blue)}
.hero p{margin:0;max-width:720px;color:#3e586b;font-size:16.5px;line-height:1.48}
.hero-note{margin-top:7px;color:var(--muted);font-size:12.5px}
.signal-card{width:min(100%,365px);justify-self:end;align-self:center;background:rgba(255,255,255,.85);backdrop-filter:blur(9px);border:1px solid rgba(15,111,182,.15);border-radius:23px;box-shadow:var(--shadow);padding:16px}
.signal-visual{height:126px;display:grid;place-items:center;position:relative;overflow:hidden;border-radius:17px;background:radial-gradient(circle at center,rgba(66,178,223,.14),transparent 48%),linear-gradient(145deg,#061c30,#0b436f);color:#8fe6f8}
.signal-visual::before,.signal-visual::after{content:"";position:absolute;border:1.5px dashed rgba(143,230,248,.22);border-radius:50%}
.signal-visual::before{width:158px;height:158px}.signal-visual::after{width:236px;height:236px;border-style:dotted}
.signal-icon{width:70px;z-index:2}
.rf-mini{position:absolute;left:12px;bottom:8px;z-index:3;color:rgba(208,244,252,.66);font:700 8px/1.45 ui-monospace,SFMono-Regular,Menlo,monospace;text-align:left}
.price-block{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-top:12px}
.price-block strong{font-size:38px;line-height:1;color:var(--navy)}
.price-block del{color:#8b99a4;font-size:13px}
.price-block small{display:block;color:var(--muted);font-size:11.5px;max-width:120px}
.price-block .btn{min-height:41px;padding:9px 12px;font-size:11.5px}
.trustbar{background:var(--navy);color:#fff;flex:0 0 auto}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.trust-item{padding:10px 20px;text-align:center;border-right:1px solid rgba(255,255,255,.12)}
.trust-item:last-child{border-right:0}
.trust-item strong{display:block;font-size:16px;line-height:1.2}.trust-item span{display:block;margin-top:2px;font-size:11.5px;line-height:1.27;color:#bce9f8}

/* --- sections: intentionally tight, no dead white parking lots --- */
.section{padding:43px 0}.compact-section{padding:37px 0}.section-soft{background:var(--soft)}.section-dark{background:var(--navy);color:#fff}
.section-head{max-width:800px;margin-bottom:20px}.section-head h2{margin:6px 0 9px;color:var(--navy);font-size:clamp(31px,3.75vw,48px);letter-spacing:-.043em;line-height:1.04}.section-head p{margin:0;color:var(--muted);font-size:16.5px}.section-dark .section-head h2{color:#fff}.section-dark .section-head p{color:#cae8f3}
.section-title{margin:7px 0 10px;color:var(--navy);font-size:clamp(31px,3.8vw,48px);line-height:1.03;letter-spacing:-.045em}.light-title{color:#fff}.lead-muted{margin:0;color:var(--muted);font-size:16.5px}.lead-light{margin:0;color:#d5edf6;font-size:16.5px}

/* Tech Talk teaser = the shiny owner-facing cat toy */
.techtalk-teaser{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(260px,.75fr);gap:28px;align-items:center;padding:28px 32px;border-radius:23px;background:linear-gradient(122deg,#071f35 0%,#0b588b 67%,#1181aa 100%);color:#fff;box-shadow:var(--shadow)}
.techtalk-teaser::after{content:"";position:absolute;width:330px;height:330px;right:-120px;top:-145px;border:1px dashed rgba(130,224,242,.26);border-radius:50%;box-shadow:0 0 0 42px rgba(130,224,242,.035),0 0 0 84px rgba(130,224,242,.02)}
.techtalk-teaser>*{position:relative;z-index:2}.techtalk-teaser h2{margin:7px 0 9px;max-width:770px;font-size:clamp(30px,3.65vw,46px);line-height:1;letter-spacing:-.045em}.techtalk-teaser p{margin:5px 0;color:#d9eef7;font-size:16px;max-width:790px}.free-pill{display:inline-block;padding:6px 10px;border:1px solid rgba(255,255,255,.3);border-radius:999px;background:rgba(255,255,255,.09);font-size:10.5px;font-weight:900;letter-spacing:.065em;text-transform:uppercase}.techtalk-teaser .btn-secondary{color:#fff;border-color:rgba(255,255,255,.35);background:rgba(255,255,255,.08)}
.tech-mini-board{position:relative;z-index:2;background:#fff;color:var(--navy);border-radius:16px;padding:16px 18px;box-shadow:0 12px 28px rgba(0,0,0,.16);transform:rotate(1deg)}.tech-mini-board b{display:block;font-size:19px;line-height:1.05}.tech-mini-board small{display:block;margin-top:6px;color:#587084;line-height:1.35}.tech-mini-board .mini-free{display:inline-block;margin-top:10px;color:var(--blue);font-weight:950;font-size:11px;letter-spacing:.07em}

/* Everything we do banner */
.goodies-banner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:26px;align-items:center;position:relative;overflow:hidden;padding:27px 31px;border-radius:23px;text-decoration:none;color:#fff;background:radial-gradient(circle at 89% 50%,rgba(130,224,242,.28),transparent 30%),linear-gradient(118deg,#09253f 0%,#0b5e91 60%,#0d83ad 100%);box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease}.goodies-banner:hover{transform:translateY(-2px);box-shadow:0 21px 46px rgba(8,35,61,.18)}.goodies-banner::after{content:"";position:absolute;width:250px;height:250px;right:-80px;top:-90px;border:1px dashed rgba(130,224,242,.28);border-radius:50%;box-shadow:0 0 0 35px rgba(130,224,242,.035),0 0 0 70px rgba(130,224,242,.025)}.goodies-copy,.goodies-cta{position:relative;z-index:2}.light-kicker{color:#b7f2ff}.light-kicker::before{background:var(--cyan);box-shadow:7px -4px 0 -.2px var(--cyan),14px 3px 0 -.2px var(--cyan)}.goodies-banner h2{margin:6px 0 7px;font-size:clamp(27px,3.35vw,42px);line-height:1.01;letter-spacing:-.044em;max-width:840px}.goodies-banner p{margin:0;color:#d9eef7;font-size:15.5px;max-width:800px}.goodies-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:13px}.goodies-chips span{padding:5px 9px;border:1px solid rgba(255,255,255,.2);border-radius:999px;background:rgba(255,255,255,.075);font-size:10.5px;font-weight:820}.goodies-cta{white-space:nowrap;padding:13px 16px;border-radius:12px;background:#fff;color:var(--navy);font-size:12.5px;font-weight:950;box-shadow:0 9px 24px rgba(0,0,0,.13)}

/* honest diagnosis spectrum */
.truth-spectrum{display:grid;grid-template-columns:repeat(4,1fr);gap:11px;margin-top:18px}.truth-card{padding:17px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 7px 18px rgba(8,35,61,.035)}.truth-card strong{display:block;margin-bottom:5px;color:var(--navy);font-size:17px}.truth-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.42}.truth-card:nth-child(4){color:#fff;border-color:transparent;background:linear-gradient(145deg,#08233d,#0d5c91)}.truth-card:nth-child(4) strong{color:#fff}.truth-card:nth-child(4) p{color:#d5edf6}

/* RF method */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:11px}.step{position:relative;padding:17px;border:1px solid rgba(255,255,255,.15);border-radius:16px;background:rgba(255,255,255,.055)}.step::before{counter-increment:step;content:"0" counter(step);color:var(--cyan);font-size:11px;font-weight:900;letter-spacing:.1em}.step h3{margin:6px 0;font-size:18px}.step p{margin:0;color:#c9e6f0;font-size:13px;line-height:1.44}

/* cards / services */
.cards-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.card{padding:21px;border:1px solid var(--line);border-radius:17px;background:#fff;box-shadow:0 8px 22px rgba(8,35,61,.05)}.card h3{margin:0 0 6px;color:var(--navy);font-size:21px;letter-spacing:-.025em}.card p{margin:0;color:var(--muted);font-size:14.5px}.card ul{margin:15px 0 0;padding:0;list-style:none}.card li{position:relative;margin:8px 0;padding-left:23px}.card li::before{content:"✓";position:absolute;left:0;color:var(--good);font-weight:900}.card-feature{border-top:4px solid var(--blue)}.big-price{margin:8px 0 0;color:var(--navy);font-size:52px;font-weight:900;line-height:1;letter-spacing:-.05em}.subprice{color:var(--muted);font-size:13px}.service-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.service{padding:18px;border:1px solid var(--line);border-radius:15px;background:#fff}.service h3{margin:0 0 4px;color:var(--navy);font-size:18px}.service p{margin:0;color:var(--muted);font-size:13.5px}.goodies-cards .card{min-height:155px}

/* generic two column + callouts */
.split{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}.tight-split{align-items:center}.callout{padding:25px;border-radius:20px;background:linear-gradient(145deg,#092a48,#0d5d91);color:#fff;box-shadow:var(--shadow)}.callout h2,.callout h3{margin-top:0}.callout p{color:#d7edf6}.callout .btn-secondary{color:#fff;border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.08)}.subtle-callout{box-shadow:none;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.06)}

/* inner page hero */
.page-hero{padding:38px 0 34px;border-bottom:1px solid var(--line);background:radial-gradient(circle at 90% 20%,rgba(66,178,223,.16),transparent 26%),linear-gradient(135deg,#eef9fd,#fff)}.page-hero h1{margin:7px 0 9px;color:var(--navy);font-size:clamp(38px,5.3vw,61px);line-height:.99;letter-spacing:-.05em}.page-hero p{margin:0;max-width:850px;color:var(--muted);font-size:17px}

/* tech talk page */
.activity-board{padding:24px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow);transform:rotate(.7deg)}.activity-board .pin{width:11px;height:11px;margin:0 auto 14px;border-radius:50%;background:var(--blue);box-shadow:0 3px 7px rgba(0,0,0,.2)}.activity-board h3{margin:0 0 8px;text-align:center;color:var(--navy);font-size:28px;line-height:1;letter-spacing:-.04em}.activity-board .board-sub{text-align:center;color:var(--blue);font-size:11px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.activity-board ul{margin:16px 0 0;padding:0;list-style:none}.activity-board li{padding:8px 0;border-top:1px dashed #cadce5;color:#415a6c;font-size:13.5px}.owner-benefits{display:grid;gap:11px}.owner-benefit{display:grid;grid-template-columns:35px 1fr;gap:12px;align-items:start}.owner-benefit .num{width:35px;height:35px;display:grid;place-items:center;border-radius:9px;background:var(--soft);color:var(--blue);font-weight:950;font-family:ui-monospace,monospace}.owner-benefit h3{margin:0;color:var(--navy);font-size:17px}.owner-benefit p{margin:3px 0 0;color:var(--muted);font-size:13.5px}

/* FAQ/contact */
details{margin-bottom:9px;padding:0 16px;border:1px solid var(--line);border-radius:13px;background:#fff}summary{padding:15px 0;cursor:pointer;color:var(--navy);font-weight:850}details p{margin-top:0;color:var(--muted)}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:32px}.contact-panel{padding:25px;border-radius:19px;background:var(--navy);color:#fff}.contact-panel a{display:block;margin:10px 0;color:#fff;font-size:18px;font-weight:850}.contact-panel p{color:#cce6f0}form{display:grid;gap:12px}label{display:grid;gap:5px;color:var(--navy);font-size:12.5px;font-weight:850}input,textarea,select{width:100%;padding:11px 13px;border:1px solid #bfd3df;border-radius:10px;background:#fff;color:var(--ink);font:inherit}textarea{min-height:130px;resize:vertical}

/* footer */
.trustbar.repeat{margin-top:0}.site-footer{padding:38px 0 16px;background:#061b2d;color:#d6eaf3}.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:32px}.footer-grid h3{color:#fff;font-size:12px;text-transform:uppercase;letter-spacing:.09em}.footer-grid a,.footer-grid span{display:block;margin:5px 0;color:#c8e3ed;text-decoration:none}.footer-brand{color:#fff;font-size:23px;font-weight:950}.footer-slogan{color:var(--cyan);font-weight:900;letter-spacing:.025em}.footer-bottom{margin-top:25px;padding-top:14px;border-top:1px solid rgba(255,255,255,.1);color:#8fb1c1;font-size:11px}

@media(max-width:1100px){
  .brand-motto{font-size:12px}.brand-name{font-size:30px}.masthead-label{display:none}.main-nav a{padding-inline:9px;font-size:12.5px}
  .hero h1{font-size:52px}.hero p{font-size:15px}.signal-card{width:330px}
}
@media(max-width:900px){
  :root{--header-block-h:116px}.topline{font-size:10.5px}.masthead-inner{min-height:66px}.masthead-side{display:none}.brand-name{font-size:29px}.brand-motto{font-size:11.5px}.brand-mark{width:44px;height:38px;flex-basis:44px}
  .main-nav{display:none;position:absolute;top:46px;right:20px;left:20px;width:auto;padding:10px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav .nav-cta{margin-left:0}.main-nav a{text-align:center}.menu-toggle{display:block;margin-left:auto}.nav-inner{justify-content:flex-end}
  .fold-stage{height:auto;min-height:0;max-height:none}.hero-grid,.split,.contact-grid{grid-template-columns:1fr}.hero-grid{height:auto;padding:34px 0;gap:24px}.signal-card{width:100%;justify-self:stretch}.signal-visual{height:130px}.price-block{align-items:center}
  .techtalk-teaser{grid-template-columns:1fr}.tech-mini-board{display:none}.truth-spectrum,.steps{grid-template-columns:repeat(2,1fr)}.cards-3{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .shell{width:min(100% - 28px,var(--shell))}.brand-motto{display:none}.brand-name{font-size:25px}.brand-mark{width:38px;height:34px;flex-basis:38px}.brand-co{font-size:11px}.topline{font-size:9.5px}
  .hero h1{font-size:44px}.hero p{font-size:15px}.hero-grid{padding:28px 0}.price-block{align-items:flex-start;flex-direction:column}.trust-grid,.truth-spectrum,.steps,.cards-2,.cards-3,.service-list,.footer-grid{grid-template-columns:1fr}.trust-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}.trust-item:last-child{border-bottom:0}
  .section{padding:34px 0}.compact-section{padding:31px 0}.techtalk-teaser,.goodies-banner{padding:23px;grid-template-columns:1fr}.goodies-cta{white-space:normal}.page-hero{padding:31px 0 28px}.activity-board{transform:none}
}