:root{
  --navy:#0b1626; --navy2:#111f33; --char:#1a2433; --line:#26344a;
  --text:#e8edf4; --muted:#a9b5c6; --hot:#ff5a1f; --hot2:#ff8a00; --red:#e0261b; --yellow:#ffd23f;
  --ink:#0d1522; --paper:#f4f6f9; --radius:14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);background:var(--navy);color:var(--text);line-height:1.6;font-size:17px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--hot2)}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h2{font-size:clamp(1.6rem,4.5vw,2.4rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
.wrap{width:100%;max-width:1140px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px;top:0;background:#fff;color:#000;padding:8px 12px;z-index:100}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:3px solid var(--yellow);outline-offset:3px;border-radius:6px}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:700;color:var(--hot2);margin-bottom:.6em}
section{padding:64px 0}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:700;text-decoration:none;border-radius:999px;padding:12px 20px;border:2px solid transparent;font-size:1rem;cursor:pointer;font-family:inherit;line-height:1.2;transition:transform .08s ease, filter .15s}
.btn:active{transform:scale(.98)}
.btn:hover{filter:brightness(1.08)}
.btn-lg{padding:16px 26px;font-size:1.08rem;min-height:56px}
.btn-sm{padding:9px 16px;font-size:.95rem}
.btn-block{width:100%}
.btn-call{background:linear-gradient(135deg,var(--hot),var(--red));color:#fff;box-shadow:0 8px 24px rgba(255,90,31,.35)}
.btn-hot{background:linear-gradient(135deg,var(--hot2),var(--hot));color:#1a0d05}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.ico-phone{width:18px;height:18px;flex:none;background:currentColor;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6.6 10.8a15.1 15.1 0 0 0 6.6 6.6l2.2-2.2a1 1 0 0 1 1-.25 11.4 11.4 0 0 0 3.6.57 1 1 0 0 1 1 1V20a1 1 0 0 1-1 1A17 17 0 0 1 3 4a1 1 0 0 1 1-1h3.5a1 1 0 0 1 1 1c0 1.25.2 2.45.57 3.57a1 1 0 0 1-.25 1z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6.6 10.8a15.1 15.1 0 0 0 6.6 6.6l2.2-2.2a1 1 0 0 1 1-.25 11.4 11.4 0 0 0 3.6.57 1 1 0 0 1 1 1V20a1 1 0 0 1-1 1A17 17 0 0 1 3 4a1 1 0 0 1 1-1h3.5a1 1 0 0 1 1 1c0 1.25.2 2.45.57 3.57a1 1 0 0 1-.25 1z'/%3E%3C/svg%3E") center/contain no-repeat}

/* top bar */
.topbar{position:sticky;top:0;z-index:50;background:rgba(11,22,38,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.brand-mark{width:30px;height:30px;border-radius:8px;flex:none;background:radial-gradient(circle at 35% 40%,var(--yellow) 0 18%,var(--hot2) 30%,var(--red) 55%,#5a1a7a 80%,#1b2a6b 100%)}
.brand-text{font-weight:600;font-size:1.05rem;letter-spacing:.01em;white-space:nowrap}
.brand-text b{color:var(--hot)}
.nav{display:none;gap:26px}
.nav a{color:var(--muted);text-decoration:none;font-weight:600;font-size:.95rem}
.nav a:hover{color:#fff}
.topbar .btn-call span:last-child{display:none}
.topbar .btn-call{padding:10px;width:44px;height:44px}

/* thermal placeholders (swap for real photos — see README / slot comments) */
.thermal{background-color:#1b2140;background-image:
  radial-gradient(ellipse 30% 22% at 28% 38%, rgba(255,210,63,.95), rgba(255,138,0,.85) 35%, rgba(224,38,27,.6) 60%, transparent 75%),
  radial-gradient(ellipse 22% 30% at 70% 62%, rgba(255,138,0,.9), rgba(224,38,27,.55) 45%, transparent 72%),
  radial-gradient(ellipse 45% 40% at 50% 50%, rgba(140,30,120,.75), transparent 70%),
  linear-gradient(135deg,#1b2a6b,#2a1a5e 45%,#0f1f4a);}
.thermal-b{background-image:
  radial-gradient(ellipse 26% 20% at 62% 42%, rgba(255,226,120,.95), rgba(255,138,0,.85) 35%, rgba(224,38,27,.6) 60%, transparent 76%),
  radial-gradient(ellipse 18% 14% at 30% 70%, rgba(255,138,0,.8), rgba(224,38,27,.45) 50%, transparent 75%),
  repeating-linear-gradient(90deg, rgba(255,255,255,.04) 0 2px, transparent 2px 64px),
  linear-gradient(160deg,#16255e,#3b1a66 55%,#1a2a6e)}
.thermal-c{background-image:
  radial-gradient(ellipse 40% 18% at 40% 30%, rgba(255,210,63,.9), rgba(255,138,0,.8) 35%, rgba(224,38,27,.5) 62%, transparent 78%),
  radial-gradient(ellipse 20% 26% at 78% 72%, rgba(224,38,27,.7), transparent 70%),
  repeating-linear-gradient(0deg, rgba(255,255,255,.04) 0 2px, transparent 2px 56px),
  linear-gradient(200deg,#1a2a6e,#2f175c 50%,#10204c)}
.photo-slot{position:relative;margin:0;border-radius:var(--radius);min-height:300px;overflow:hidden;border:1px solid var(--line);background-size:cover;background-position:center}
.photo-slot figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;font-size:.88rem;color:#fff;background:linear-gradient(transparent,rgba(5,10,20,.85))}
.photo-slot[data-slot="intro"].has-photo{background:url("images/intro.jpg") center/cover}
.hero-media[data-slot="hero"].has-photo{background:url("images/hero.jpg") center/cover}

/* hero */
.hero{position:relative;padding:72px 0 64px;overflow:hidden;isolation:isolate}
.hero-media{position:absolute;inset:0;z-index:-2;filter:blur(2px) saturate(1.1);transform:scale(1.05)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(11,22,38,.55),rgba(11,22,38,.88) 70%,var(--navy))}
.hero h1{font-size:clamp(2.1rem,7.5vw,3.9rem);font-weight:800;max-width:15ch;letter-spacing:-.02em}
.hot{color:var(--hot2);background:linear-gradient(90deg,var(--yellow),var(--hot2) 40%,var(--hot));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lede{font-size:clamp(1.05rem,2.6vw,1.25rem);color:#d6dee9;max-width:60ch}
.hero-cta{display:flex;flex-direction:column;gap:12px;margin:28px 0 30px}
.badges{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}
.badges li{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:7px 14px;font-size:.9rem;color:#dfe6ef}
.badges b{color:#fff}

/* layout */
.two-col{display:grid;gap:32px;align-items:center}
.intro{background:var(--navy2)}
.intro p{color:#cfd8e4}
.steps{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:18px;counter-reset:s}
.step{background:var(--char);border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative}
.step p{color:var(--muted);margin:0}
.step-n{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;font-weight:800;font-size:1.2rem;margin-bottom:14px;color:#1a0d05;background:linear-gradient(135deg,var(--yellow),var(--hot))}
.why{background:var(--navy2)}
.checks{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.checks li{padding-left:34px;position:relative;color:#cfd8e4}
.checks li::before{content:"";position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,var(--hot2),var(--red))}
.checks li::after{content:"";position:absolute;left:7px;top:9px;width:5px;height:9px;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}
.checks b{color:#fff;display:block}
.cards{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:14px}
.cards li{background:var(--char);border:1px solid var(--line);border-left:4px solid var(--hot);border-radius:12px;padding:20px}
.cards p{margin:0;color:var(--muted)}

.proven{background:linear-gradient(180deg,#0e1a2c,#0b1626);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.proven h2{font-size:clamp(1.9rem,5.5vw,2.9rem)}
.proven-lede{font-size:1.12rem;color:#d6dee9;max-width:62ch}
.clients{list-style:none;padding:0;margin:24px 0 32px;display:flex;flex-wrap:wrap;gap:10px}
.clients li{border:1px solid #3a4a63;border-radius:8px;padding:9px 14px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;font-size:.85rem;color:#e3e9f1;background:rgba(255,255,255,.03)}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:0}
.stats div{background:var(--char);border:1px solid var(--line);border-radius:12px;padding:18px}
.stats dt{font-size:clamp(1.5rem,5vw,2.1rem);font-weight:800;color:var(--hot2);line-height:1.1}
.stats dd{margin:6px 0 0;color:var(--muted);font-size:.92rem}

.also{background:var(--char);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.also ul{margin:0;padding-left:20px;color:#cfd8e4}
.also li{margin:6px 0}
.area p{color:#cfd8e4}

/* contact */
.contact{background:var(--paper);color:var(--ink)}
.contact h2{color:var(--ink)}
.contact .lede{color:#3a4658}
.contact-in{display:grid;gap:32px}
.contact-list{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px}
.contact-list li{display:flex;flex-direction:column;font-size:1rem;word-break:break-word}
.contact-list span{font-size:.75rem;text-transform:uppercase;letter-spacing:.12em;color:#6a7688;font-weight:700}
.contact-list a{color:#c2410c;font-weight:600}
.form{background:#fff;border:1px solid #dde3ea;border-radius:18px;padding:24px;box-shadow:0 18px 40px rgba(13,21,34,.12)}
.form h3{font-size:1.4rem;color:var(--ink)}
.field{display:flex;flex-direction:column;margin-bottom:14px;min-width:0}
.field label{font-weight:700;font-size:.9rem;margin-bottom:6px;color:#26324a}
.field input,.field textarea{font:inherit;font-size:16px;padding:13px 14px;border:1.5px solid #c9d2de;border-radius:10px;background:#fbfcfd;color:var(--ink);width:100%}
.field input:focus,.field textarea:focus{border-color:var(--hot);outline:3px solid rgba(255,90,31,.25);outline-offset:0}
.field input[aria-invalid="true"]{border-color:#d92d20}
.row{display:grid;gap:0 14px}
.form-note{font-size:.88rem;color:#5b6678;margin:12px 0 0}
.form-note a,.form-ok a{color:#c2410c}
.form-err{color:#b42318;font-weight:600;font-size:.95rem}
.form-ok{background:#ecfdf3;border:1px solid #abefc6;color:#05603a;padding:12px 14px;border-radius:10px;margin:12px 0 0;font-size:.95rem}

/* footer */
.footer{background:#070f1b;padding:40px 0 calc(110px + env(safe-area-inset-bottom));color:var(--muted);font-size:.92rem}
.footer-in{display:grid;gap:18px}
.footer p{margin:0 0 4px}
.footer .brand-text{color:#fff;font-size:1.1rem}
.footer-contact{display:flex;flex-direction:column;gap:6px}
.footer-contact a{color:#fff;text-decoration:none;font-weight:600}
.copy{font-size:.82rem;color:#6f7d92}

/* sticky mobile call bar */
.callbar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(7,15,27,.96);border-top:1px solid var(--line)}
.callbar .btn{min-height:50px;padding:10px 12px}

@media (min-width:600px){
  .hero-cta{flex-direction:row;flex-wrap:wrap}
  .steps{grid-template-columns:repeat(3,1fr)}
  .cards{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(4,1fr)}
  .row{grid-template-columns:1fr 1fr}
}
@media (min-width:900px){
  body{font-size:18px}
  .footer{padding-bottom:40px}
  section{padding:96px 0}
  .nav{display:flex}
  .topbar .btn-call span:last-child{display:inline}
  .topbar .btn-call{width:auto;height:auto;padding:9px 16px}
  .hero{padding:120px 0 110px}
  .two-col{grid-template-columns:1.1fr .9fr;gap:56px}
  .two-col.rev{grid-template-columns:.9fr 1.1fr}
  .photo-slot{min-height:380px}
  .cards{grid-template-columns:repeat(3,1fr)}
  .contact-in{grid-template-columns:.9fr 1.1fr;align-items:start;gap:56px}
  .form{padding:32px}
  .footer-in{grid-template-columns:1fr auto;align-items:end}
  .copy{grid-column:1/-1}
  .callbar{display:none}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* real photos (Melissa's own scans, Oct 2026) */
.photo-slot.has-photo,.photo-slot[data-slot].has-photo{min-height:0;background:var(--char)}
.photo-slot.has-photo img{display:block;width:100%;height:auto}
.photo-slot.has-photo figcaption{position:static;background:var(--char);padding:12px 16px;color:#cfd8e4}
.pair{display:grid;gap:2px;background:var(--line)}
.pair-item{position:relative}
.pair-item img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.tag{position:absolute;bottom:10px;left:50%;transform:translateX(-50%);white-space:nowrap;padding:4px 10px;border-radius:999px;font-size:.78rem;font-weight:700;color:#0b1626;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.35)}
.tag-hot{color:#1a0d05;background:linear-gradient(135deg,var(--yellow),var(--hot))}
.hero-media.has-photo{filter:blur(1px) saturate(1.05)}
.hero:has(.hero-media.has-photo)::after{background:linear-gradient(180deg,rgba(11,22,38,.72),rgba(11,22,38,.9) 65%,var(--navy))}
.fieldwork{margin:36px 0 0}
.gallery{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.gallery figure{margin:0;background:var(--char);border:1px solid var(--line);border-radius:12px;overflow:hidden;height:100%}
.gallery img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.gallery figcaption{padding:10px 12px;font-size:.84rem;line-height:1.35;color:var(--muted)}
@media (min-width:600px) and (max-width:899px){.pair{grid-template-columns:1fr 1fr}}
@media (min-width:900px){.gallery{grid-template-columns:repeat(3,1fr);gap:16px}.gallery figcaption{font-size:.92rem}}
@media (min-width:900px){.hero-media.has-photo{filter:blur(10px) saturate(1.15);transform:scale(1.1)}}

/* ===== matched findings + infrared scans (Oct 12 rebuild) ===== */
.findings{background:var(--navy2)}
.matches{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:36px;max-width:940px}
.match-n{margin:0 0 10px;font-weight:700;color:var(--hot2);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase}
.pair{display:flex;flex-direction:column;gap:10px;background:none}
.pair-item{position:relative;margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--char)}
.pair-item img{display:block;width:100%;height:auto;aspect-ratio:auto;object-fit:fill}
.pair-item .tag{position:static;transform:none;display:flex;align-items:center;gap:8px;border-radius:0;box-shadow:none;background:var(--char);color:#e8edf4;padding:9px 12px;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase}
.pair-item .tag::before{content:"";width:10px;height:10px;border-radius:50%;flex:none}
.pair-item .tag-hot::before{background:linear-gradient(135deg,var(--yellow),var(--hot))}
.pair-item .tag-vis::before{background:#cfd8e4}
@media (min-width:600px){.pair{flex-direction:row;align-items:flex-start;grid-template-columns:none}.pair-item{flex:var(--ar) 1 0%;min-width:0}}
.scans h2{margin-bottom:0}
.scan-grid{list-style:none;margin:24px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.scan-grid li{border-radius:10px;overflow:hidden;border:1px solid var(--line);background:var(--char)}
.scan-grid img{display:block;width:100%;height:auto}
@media (min-width:900px){.scan-grid{grid-template-columns:repeat(4,1fr);gap:16px}.why .checks{grid-template-columns:1fr 1fr;gap:24px 48px}}

/* ===== Oct 12 update: clear hero photo, 4-step "How infrared works", client grid ===== */
.hero{padding:56px 0 56px;background:radial-gradient(80% 60% at 85% 20%,rgba(255,106,0,.16),transparent 60%),radial-gradient(60% 50% at 0% 100%,rgba(70,90,200,.18),transparent 60%),var(--navy)}
.hero::after{content:none}
.hero-in{display:grid;grid-template-columns:minmax(0,1fr)}
.hero-figure{position:relative;margin:22px 0 4px;border-radius:14px;overflow:hidden;border:1px solid rgba(255,255,255,.18);box-shadow:0 18px 50px rgba(0,0,0,.45);background:#000;max-width:640px}
.hero-photo{display:block;width:100%;height:auto}
.hero-cap{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--char);color:#e8edf4;font-size:.85rem;line-height:1.35}
.hero-cap .dot{flex:none;width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--yellow),var(--hot))}
.how-grid{display:grid;gap:24px;margin-top:28px}
.steps-4{margin:0;gap:14px}
.steps-4 .step{display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start;padding:20px}
.steps-4 .step-n{margin:0}
.steps-4 h3{margin:6px 0 6px;font-size:1.15rem}
.how-figure{margin:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--char)}
.how-figure img{display:block;width:100%;height:auto;max-height:440px;object-fit:cover;object-position:center 45%}
.how-figure figcaption{padding:12px 16px;font-size:.92rem;color:var(--muted)}
.how-figure figcaption b{color:#fff}
.clients{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.clients li{display:flex;align-items:center;min-height:52px;line-height:1.3;font-size:.8rem}
.clients li.more{color:var(--hot2);border-style:dashed;text-transform:none;font-size:.95rem;letter-spacing:0}
@media (min-width:600px){.clients{grid-template-columns:repeat(3,minmax(0,1fr))}.steps.steps-4{grid-template-columns:1fr}}
@media (min-width:900px){
  .hero{padding:88px 0 88px}
  .hero-in{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);column-gap:56px;align-items:start}
  .hero-in>*{grid-column:1}
  .hero-figure{grid-column:2;grid-row:1 / span 6;align-self:center;margin:0;justify-self:end;width:100%}
  .how-grid{grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:40px;align-items:start}
  .how-figure{position:sticky;top:96px}
  .how-figure img{max-height:none}
  .clients{grid-template-columns:repeat(4,minmax(0,1fr))}
  .clients li{font-size:.85rem}
}