:root{
  --bg:#F7F8F5;
  --surface:#FFFFFF;
  --ink:#17202A;
  --muted:#5C6B7A;
  --line:#E3E6DF;
  --line2:#EDEEE8;
  --pine:#123332;
  --pine2:#0C2423;
  --brass:#B87A2A;
  --brass-bg:#FBF1DF;
  --ok:#18794E;
  --radius:16px;
  --wrap:1160px;
  --font-b:"Inter",system-ui,sans-serif;
  --font-d:"Fraunces",Georgia,serif;
  --font-m:"JetBrains Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
section[id]{scroll-margin-top:76px}
::selection{background:#123332;color:#fff}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-b);line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.mono{font-family:var(--font-m);font-size:12px;letter-spacing:.02em}
.small{font-size:12px}
.center{text-align:center;color:var(--muted)}

/* top */
.top{position:sticky;top:0;z-index:20;background:rgba(247,248,245,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700}
.mark{width:28px;height:28px;color:var(--pine);display:inline-flex}
.mark svg{width:100%;height:100%}
.brand-t em{font-style:normal;font-weight:500;color:var(--muted);border:1px solid var(--line);border-radius:99px;padding:1px 9px;font-size:12px;margin-left:6px;background:#fff}
.nav{display:flex;gap:18px;margin-left:12px;font-size:14px}
.nav a{text-decoration:none;color:var(--muted)}
.nav a:hover{color:var(--ink)}
.top-cta{margin-left:auto;display:flex;align-items:center;gap:12px}
.status{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);border:1px solid var(--line);background:#fff;padding:6px 12px;border-radius:99px}
.status i{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 5px rgba(24,121,78,.15);display:inline-block}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:12px;padding:12px 18px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer}
.btn.small{padding:9px 14px;font-size:14px;border-radius:10px}
.btn.big{padding:15px 26px;font-size:17px}
.btn.primary{background:var(--pine);color:#fff}
.btn.primary:hover{background:var(--pine2)}
.btn.ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn.ghost:hover{border-color:var(--ink)}

/* hero */
.hero{padding:54px 22px 30px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:start}
.kicker{font-family:var(--font-m);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--brass);margin:0 0 12px}
h1{font-family:var(--font-d);font-weight:560;font-size:clamp(38px,5vw,62px);line-height:1.02;letter-spacing:-.02em;margin:0 0 16px}
.lede{font-size:18px;color:#2E3A46;max-width:56ch;margin:0 0 22px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0 0 14px;padding:0;border-top:1px solid var(--line);padding-top:16px}
.facts div dt{font-family:var(--font-d);font-size:28px;margin:0}
.facts div dd{margin:0;font-size:13px;color:var(--muted)}
.note{font-size:13px;color:var(--muted);margin:0}

.hero-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 18px 50px rgba(18,51,50,.1)}
.card-head{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line2);gap:10px}
.pill{font-size:12px;font-weight:700;display:inline-flex;align-items:center;gap:7px;background:#E8F4EC;color:var(--ok);border-radius:99px;padding:5px 11px;white-space:nowrap}
.pill i{width:7px;height:7px;background:var(--ok);border-radius:50%;animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.35}}
.hero-shot{position:relative;display:block;text-decoration:none}
.hero-shot img{width:100%;height:340px;object-fit:cover}
.shot-meta{position:absolute;left:12px;right:12px;bottom:12px;display:flex;justify-content:space-between;background:rgba(12,36,35,.86);color:#fff;font-family:var(--font-m);font-size:12px;padding:9px 12px;border-radius:10px}
.mini-steps{list-style:none;margin:0;padding:14px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;font-size:13px;color:var(--muted)}
.mini-steps strong{color:var(--pine);font-family:var(--font-m);font-size:12px;display:block;margin-bottom:2px}

.strip{background:var(--pine);color:#D9E4DE;overflow:hidden;padding:11px 0;margin:18px 0 6px}
.strip-in{white-space:nowrap;font-size:12px;letter-spacing:.06em}

/* sections */
.section{padding:56px 22px}
.sec-head{max-width:760px;margin-bottom:28px}
.sec-head h2{font-family:var(--font-d);font-size:clamp(28px,3.6vw,44px);line-height:1.05;letter-spacing:-.015em;margin:0 0 12px}
.sec-head .sub{color:var(--muted);font-size:17px;margin:0}
.split{display:flex;justify-content:space-between;align-items:end;gap:20px;max-width:none}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cols3 article,.how,.pipe div,.org{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.cols3 h3,.how h3,.pipe h3{margin:0 0 8px;font-size:18px}
.cols3 p,.how p,.pipe p{margin:0;color:#35424F;font-size:15px}

.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.how{padding:0;overflow:hidden}
.how img{width:100%;height:190px;object-fit:cover}
.how h3,.how p{padding:0 20px}
.how h3{margin-top:16px}
.how p:last-child{padding-bottom:20px;margin-top:10px;color:var(--brass)}
.how .n{position:absolute;top:12px;left:12px;background:#fff;border:1px solid var(--line);border-radius:99px;width:32px;height:32px;display:grid;place-items:center;font-family:var(--font-m);font-size:13px}
.how{position:relative}

/* demo */
.demo-sec{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.demo{display:grid;grid-template-columns:300px 1fr;gap:16px;background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:16px}
.photos{display:flex;flex-direction:column;gap:10px}
.ph{position:relative;margin:0;border-radius:14px;overflow:hidden;border:2px solid transparent;background:#fff;opacity:.62;transition:.3s}
.ph.active{opacity:1;border-color:var(--pine)}
.ph img{width:100%;height:104px;object-fit:cover}
.ph figcaption{font-size:12px;padding:8px 10px;display:flex;gap:6px;align-items:center;color:var(--muted)}
.ph figcaption b{font-family:var(--font-m);color:var(--ink)}
.ph figcaption span{margin-left:auto;font-family:var(--font-m);font-size:11px;background:#EEF2ED;padding:2px 7px;border-radius:99px}
.ph .scan{position:absolute;left:0;right:0;top:0;height:2px;background:var(--brass);opacity:0}
.ph.active .scan{opacity:1;animation:scan 1s linear infinite}
@keyframes scan{from{transform:translateY(0)}to{transform:translateY(104px)}}
.viewer{background:#0E1B1A;border-radius:14px;padding:14px;color:#D9E4DE;display:flex;flex-direction:column;min-height:560px}
.viewer-top{display:flex;justify-content:space-between;margin-bottom:10px}
.progress{height:6px;background:rgba(255,255,255,.14);border-radius:99px;overflow:hidden;margin-bottom:12px}
.progress i{display:block;height:100%;width:12%;background:linear-gradient(90deg,var(--brass),#E9B45C);border-radius:99px;transition:width .4s}
#twinCanvas{width:100%;height:440px;border-radius:10px;background:radial-gradient(600px 300px at 50% 30%,#1C3836,#0E1B1A);display:block;cursor:grab}
.viewer-bot{display:flex;justify-content:space-between;gap:10px;padding-top:12px;font-size:12px}
.hint{color:#8AA19D}
.demo-controls{display:flex;gap:10px;flex-shrink:0}

/* pipe */
.pipe{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.pipe .mono{color:var(--brass)}

/* pilot */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.card:nth-child(4),.card:nth-child(5){grid-column:span 1}
.cards{grid-template-columns:repeat(6,1fr)}
.card:nth-child(1),.card:nth-child(2),.card:nth-child(3){grid-column:span 2}
.card:nth-child(4),.card:nth-child(5){grid-column:span 3}
.card img{width:100%;height:190px;object-fit:cover}
.card-b{padding:18px}
.card-b .mono{color:var(--muted)}
.card-b h3{margin:8px 0 6px;font-size:19px;font-family:var(--font-d)}
.card-b p{margin:0 0 12px;color:var(--muted);font-size:14px}
.tag{font-size:12px;font-weight:700;background:var(--brass-bg);color:#7A4F14;border:1px solid #EAD3A6;padding:4px 10px;border-radius:99px}

/* build */
.build-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.build h2{font-family:var(--font-d);font-size:clamp(28px,3.4vw,42px);margin:0 0 12px}
.checks{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}
.checks li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:11px 14px;font-size:14px}
.checks li::before{content:"✓ ";color:var(--ok);font-weight:700}
.org{padding:24px}
.org dl{margin:16px 0;display:grid;gap:10px}
.org dl div{display:grid;grid-template-columns:88px 1fr;gap:10px;font-size:14px;border-bottom:1px solid var(--line2);padding-bottom:10px}
.org dt{color:var(--muted)}
.org dd{margin:0;font-weight:500}

/* contact */
.contact{text-align:center;background:var(--pine);color:#fff;border-radius:24px;padding:60px 30px}
.contact h2{font-family:var(--font-d);font-size:clamp(30px,4vw,48px);margin:0 0 10px}
.contact p{color:#C6D4D0;margin:0 0 24px}
.contact .hero-btns{justify-content:center}

/* footer */
footer{padding:26px 0 34px;color:var(--muted);font-size:13px}
.foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

@media(max-width:960px){
  .nav{display:none}
  .hero-grid,.how-grid,.cols3,.build-grid{grid-template-columns:1fr}
  .demo{grid-template-columns:1fr}
  .photos{flex-direction:row;overflow:auto}
  .ph{min-width:180px}
  .pipe{grid-template-columns:1fr 1fr}
  .cards{grid-template-columns:1fr}
  .card:nth-child(n){grid-column:span 1}
  .split{flex-direction:column;align-items:start}
  #twinCanvas{height:360px}
}