:root{
  --bg:#0a0c0e;
  --panel:#111417;
  --panel-2:#15191d;
  --text:#f4f5f2;
  --muted:#9aa1a6;
  --line:#272d31;
  --blue:#00a6e8;
  --max:1280px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;line-height:1.45;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
.wrap{width:min(var(--max),calc(100% - 72px));margin-inline:auto}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(10,12,14,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{height:80px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center}
.brand img{width:126px;height:auto}
.nav-main{display:flex;align-items:center;gap:32px;font-size:13px;font-weight:650}
.nav-main>a,.nav-drop>a{padding:30px 0}
.nav-main a:hover{color:var(--blue)}
.nav-contact{border-bottom:0}
.nav-main>a.active,.nav-drop>a.active{border-bottom:1px solid currentColor}
.nav-drop{position:relative}
.nav-drop-menu{position:absolute;left:-18px;top:61px;width:285px;background:#101316;border:1px solid var(--line);padding:9px;box-shadow:0 18px 50px rgba(0,0,0,.28);opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s ease}
.nav-drop:hover .nav-drop-menu,.nav-drop:focus-within .nav-drop-menu{opacity:1;visibility:visible;transform:none}
.nav-drop-menu a{display:block;padding:11px 12px;font-size:14px}
.nav-drop-menu a:hover{background:#191e22;color:var(--text)}
.nav-drop-menu small{display:block;margin-top:2px;color:#747c82;font-size:11px;font-weight:400}
.menu-toggle{display:none;width:40px;height:40px;background:none;border:0;position:relative;cursor:pointer}
.menu-toggle:before,.menu-toggle:after{content:"";position:absolute;left:8px;right:8px;height:1.5px;background:var(--text);transition:.2s ease}
.menu-toggle:before{top:14px}.menu-toggle:after{top:24px}

/* Home */
.hero{position:relative;min-height:700px;display:flex;align-items:flex-end;overflow:hidden;background:#111417;color:#fff}
.hero-media{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-media-split{display:grid;grid-template-columns:1.85fr 1fr 1fr 1fr;gap:8px;padding:8px}
.hero-tile{height:100%;background-size:cover;background-position:center;border-radius:4px;overflow:hidden;position:relative}
.hero-tile:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.08),rgba(0,0,0,.22))}
.hero-tile-main{background-position:center 35%}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,7,9,.84),rgba(4,7,9,.42) 58%,rgba(4,7,9,.18)),linear-gradient(0deg,rgba(4,7,9,.72),transparent 54%)}
.hero-content{position:relative;z-index:2;padding:0 0 66px;max-width:940px}
.hero h1{font-size:clamp(54px,7vw,96px);line-height:.96;letter-spacing:-.052em;font-weight:650;margin:0;max-width:900px}
.hero p{font-size:clamp(18px,2vw,25px);line-height:1.35;max-width:760px;margin:24px 0 0;color:#d9dddf}
.hero-link{display:inline-flex;align-items:center;gap:10px;margin-top:30px;padding-bottom:4px;border-bottom:1px solid rgba(255,255,255,.75);font-weight:650}
.hero-link:after{content:"→"}

/* Shared sections */
.section{padding:94px 0;border-top:1px solid rgba(255,255,255,.05)}
.section.alt{background:#0d1012}
.section.panel{background:#101316}
.section-head{display:flex;justify-content:space-between;gap:50px;align-items:end;margin-bottom:42px}
.section-head h2{font-size:clamp(38px,4.8vw,66px);line-height:1;letter-spacing:-.042em;margin:0;font-weight:620}
.section-head p{font-size:18px;color:var(--muted);margin:0;max-width:520px}
.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.15em;font-weight:700;color:var(--blue);margin-bottom:14px}

/* Product cards */
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.product-card{position:relative;min-height:360px;background:var(--panel);border:1px solid var(--line);padding:28px;overflow:hidden;transition:border-color .2s ease,transform .2s ease}
.product-card:hover{border-color:#41494f;transform:translateY(-2px)}
.product-card .meta{display:flex;justify-content:space-between;gap:20px;font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:#7d858b}
.product-card h3{position:absolute;left:28px;bottom:62px;margin:0;font-size:clamp(38px,4.6vw,62px);letter-spacing:-.045em;line-height:.95;font-weight:620}
.product-card p{position:absolute;left:28px;bottom:25px;margin:0;color:#8f979c;font-size:14px}
.product-card .visual{position:absolute;inset:68px 22px 92px 51%;opacity:.96}
.product-card.sensor{background:var(--panel);border-color:var(--line)}
.product-card.sensor .meta{color:#7d858b}
.product-card.sensor p{color:#8f979c}

.route-map{position:absolute;inset:0;border-left:1px solid rgba(255,255,255,.13);border-bottom:1px solid rgba(255,255,255,.13);background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:32px 32px}
.route-map svg{width:100%;height:100%}.route-map path{fill:none;stroke:var(--blue);stroke-width:4.5;stroke-linecap:round}.route-map circle{fill:#fff}
.sensor-visual{display:flex;align-items:center;justify-content:center;height:100%}.sensor-visual svg{width:100%;height:100%}.sensor-visual path{fill:none;stroke:#e9fbff;stroke-width:3.5}.sensor-visual .grid{stroke:rgba(255,255,255,.14);stroke-width:1}
.visor-card-visual{height:100%;border:1px solid rgba(255,255,255,.18);position:relative;background:radial-gradient(circle at 50% 45%,rgba(0,166,232,.18),transparent 38%)}
.visor-card-visual:before,.visor-card-visual:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.27)}
.visor-card-visual:before{inset:18% 15%}.visor-card-visual:after{left:50%;top:18%;bottom:18%;width:1px;border-width:0 0 0 1px}
.hud-number{position:absolute;right:14px;top:11px;font-size:34px;font-weight:700;letter-spacing:-.05em}.hud-label{position:absolute;right:14px;top:49px;font-size:9px;text-transform:uppercase;letter-spacing:.13em;color:#9ecce1}
.viewer-card-visual{height:100%;background:#090b0d;border:1px solid #262c30;padding:13px;display:grid;grid-template-rows:42px 1fr;gap:9px}.viewer-top{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.viewer-box{border:1px solid #282e33}.viewer-chart{position:relative;border:1px solid #282e33;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:26px 26px}.viewer-chart svg{width:100%;height:100%}.viewer-chart path{fill:none;stroke:var(--blue);stroke-width:2.4}

/* Applications */
.sports-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.sport-card{position:relative;min-height:430px;background:#1c2023;overflow:hidden;color:#fff}
.sport-card .photo{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .55s ease}
.sport-card:hover .photo{transform:scale(1.02)}
.sport-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.8),rgba(0,0,0,.05) 65%)}
.sport-copy{position:absolute;z-index:2;left:24px;right:24px;bottom:22px}
.sport-copy h3{font-size:30px;letter-spacing:-.032em;margin:0}

/* Values */
.value-row{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.value{padding:28px 24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:130px;display:flex;flex-direction:column;justify-content:space-between}
.value .n{font-size:10px;color:var(--blue);font-weight:700}
.value h3{font-size:22px;letter-spacing:-.025em;margin:30px 0 0;font-weight:560}

/* About teaser */
.simple-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:end}
.simple-grid h2{font-size:clamp(38px,4.6vw,64px);line-height:1;letter-spacing:-.04em;margin:0;font-weight:620}
.simple-grid p{font-size:19px;color:var(--muted);margin:0 0 20px;max-width:600px}
.text-link{display:inline-block;border-bottom:1px solid currentColor;padding-bottom:3px;font-weight:650}

/* Page hero */
.page-hero{padding:84px 0 62px;border-bottom:1px solid var(--line);background:#0d1012}
.page-hero-inner{display:grid;grid-template-columns:1fr .8fr;gap:80px;align-items:end}
.page-hero h1{font-size:clamp(54px,7.5vw,104px);line-height:.92;letter-spacing:-.052em;margin:0;font-weight:620}
.page-hero p{font-size:20px;color:var(--muted);margin:0;max-width:600px}
.status-pill{display:inline-block;padding:6px 9px;border:1px solid #40474c;color:#aab0b4;font-size:10px;text-transform:uppercase;letter-spacing:.13em;margin-bottom:16px}
.status-pill.available{border-color:rgba(0,166,232,.65);color:#71cff4}

/* Product detail - intentionally simple */
.product-simple{padding:78px 0 96px}
.product-simple-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:stretch}
.product-visual{min-height:430px;background:var(--panel);border:1px solid var(--line);padding:28px;position:relative;overflow:hidden}
.product-visual .route-map,.product-visual .visor-card-visual,.product-visual .viewer-card-visual,.product-visual .sensor-visual{position:absolute;inset:28px}
.product-facts{border-top:1px solid var(--line)}
.fact{padding:22px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:145px 1fr;gap:24px;align-items:start}
.fact small{text-transform:uppercase;letter-spacing:.12em;color:#717a80;font-size:10px}
.fact strong{font-size:20px;font-weight:520;line-height:1.25}
.simple-values{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px}
.simple-value{border:1px solid var(--line);padding:20px;min-height:92px;display:flex;align-items:end;font-size:17px;font-weight:560}

/* About */
.team-title{font-size:clamp(38px,4.8vw,64px);line-height:1;letter-spacing:-.04em;margin:0 0 42px;font-weight:620}
.team{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.team-card{background:var(--panel);border:1px solid var(--line);overflow:hidden}
.team-photo{aspect-ratio:1/1;background:#181c1f;overflow:hidden}
.team-photo img{width:100%;height:100%;object-fit:cover}
.team-copy{padding:26px}
.team-card h3{font-size:29px;letter-spacing:-.032em;margin:0 0 5px;font-weight:600}
.team-role{color:var(--blue);text-transform:uppercase;letter-spacing:.1em;font-size:10px;font-weight:700}
.team-card p{color:var(--muted);margin:16px 0 0;font-size:17px;max-width:520px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px;align-items:start}
.contact-email small{display:block;text-transform:uppercase;letter-spacing:.12em;color:#737b81;font-size:10px;margin-bottom:10px}
.contact-email a{font-size:clamp(26px,3vw,40px);letter-spacing:-.03em;border-bottom:1px solid currentColor}
.contact-form{display:grid;gap:20px}.contact-form label{font-size:10px;text-transform:uppercase;letter-spacing:.12em;font-weight:700;color:#90989e}.contact-form input,.contact-form textarea{width:100%;color:var(--text);border:0;border-bottom:1px solid #555d63;background:transparent;padding:12px 0;outline:none}.contact-form textarea{min-height:120px}.btn{display:inline-block;width:max-content;background:var(--text);color:#0a0c0e;border:0;padding:14px 19px;font-weight:650;cursor:pointer}.btn:hover{background:var(--blue)}

/* Footer */
.footer{background:#07090a;color:#fff;padding:52px 0 24px;border-top:1px solid rgba(255,255,255,.07)}
.footer-grid{display:grid;grid-template-columns:1.25fr .8fr .8fr;gap:60px}.footer-logo{width:150px}.footer-brand p{max-width:420px;color:#7d858b;margin:19px 0 0;font-size:14px}.footer h4{font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:#677077;margin:0 0 15px}.footer a{display:block;margin:8px 0}.footer a:hover{color:#61cbf5}.footer-bottom{margin-top:42px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:20px;color:#666f75;font-size:11px}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease,transform .55s ease}.reveal.in{opacity:1;transform:none}

@media(max-width:980px){
  .wrap{width:min(var(--max),calc(100% - 40px))}
  .nav-main{display:none}.menu-toggle{display:block}

  /* Mobile navigation: use an absolute panel below the sticky header.
     This avoids iOS Safari clipping fixed children inside backdrop-filter containers. */
  .nav-main.open{
    display:flex;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    height:calc(100vh - 80px);
    height:calc(100dvh - 80px);
    min-height:0;
    background:#0b0d0f;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    padding:18px max(22px,env(safe-area-inset-right)) calc(28px + env(safe-area-inset-bottom)) max(22px,env(safe-area-inset-left));
    font-size:20px;
    overflow-y:auto;
    overflow-x:hidden;
    overscroll-behavior:contain;
    -webkit-overflow-scrolling:touch;
  }
  .nav-main.open>a,.nav-main.open .nav-drop{width:100%;flex:0 0 auto}
  .nav-main.open>a,.nav-main.open .nav-drop>a{display:block;padding:13px 0}
  .nav-main.open>a.active,.nav-main.open .nav-drop>a.active{border-bottom:0;color:var(--blue)}
  .nav-drop-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:transparent;border:0;padding:0 0 12px 16px;width:100%}
  .nav-drop-menu a{padding:7px 0;font-size:15px}
  .nav-drop-menu small{display:none}
  html.menu-open,html.menu-open body{overflow:hidden;overscroll-behavior:none}

  .menu-toggle.open:before{top:19px;transform:rotate(45deg)}
  .menu-toggle.open:after{top:19px;transform:rotate(-45deg)}

  .section-head{display:block}.section-head p{margin-top:22px}.product-grid{grid-template-columns:1fr}.product-card{min-height:330px}.product-card .visual{left:54%}
  .sports-grid{grid-template-columns:1fr}.sport-card{min-height:390px}.value-row{grid-template-columns:repeat(2,1fr)}
  .simple-grid,.page-hero-inner,.product-simple-grid,.contact-grid{grid-template-columns:1fr;gap:34px}.hero-media-split{grid-template-columns:repeat(2,1fr);padding:6px}.hero-tile{min-height:180px}.hero-tile-main{grid-column:1 / -1;min-height:300px}.team{grid-template-columns:1fr}.simple-values{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
}
@media(max-width:620px){
  .wrap{width:calc(100% - 28px)}.nav{height:70px}.brand img{width:110px}
  .nav-main.open{height:calc(100vh - 70px);height:calc(100dvh - 70px);padding-top:14px}
  .hero{min-height:620px}.hero-media-split{grid-template-columns:1fr;gap:6px;padding:6px}.hero-tile,.hero-tile-main{min-height:120px;grid-column:auto}.hero-content{padding-bottom:44px}.hero h1{font-size:51px}.hero p{font-size:18px}
  .section{padding:70px 0}.section-head{margin-bottom:32px}.section-head h2{font-size:42px}
  .product-card{min-height:345px;padding:22px}.product-card h3{left:22px;bottom:60px;font-size:45px}.product-card p{left:22px;bottom:22px}.product-card .visual{inset:68px 16px 96px 43%}
  .value-row,.simple-values{grid-template-columns:1fr}.page-hero{padding:64px 0 48px}.page-hero h1{font-size:55px}.page-hero p{font-size:18px}.product-simple{padding:58px 0 74px}.product-visual{min-height:330px}.fact{grid-template-columns:110px 1fr}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{flex-direction:column}
}

/* v5 refinements */
.product-card.long-title h3{font-size:clamp(31px,3.75vw,52px);max-width:66%;line-height:.98}
.product-facts.compact .fact{padding:19px 0}
.page-hero-simple{grid-template-columns:1fr}

/* Connected biometric sensors: two independent STA-developed sensors */
.sensor-products{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.sensor-product{background:var(--panel);border:1px solid var(--line);padding:28px}
.sensor-product-visual{height:250px;background:#0c3b50;border:1px solid #0f5876;padding:20px}
.sensor-product-visual svg{width:100%;height:100%}
.sensor-product-visual .grid{fill:none;stroke:rgba(255,255,255,.12);stroke-width:1}
.sensor-product-visual .wave{fill:none;stroke:#e9fbff;stroke-width:3.5;stroke-linecap:round}
.sensor-product-visual.respiration .wave{stroke:var(--blue);stroke-width:4}
.sensor-product h2{font-size:30px;letter-spacing:-.035em;margin:22px 0 6px}
.sensor-product p{color:var(--muted);font-size:16px;margin:0}
.sensor-integration{margin-top:14px;border:1px solid var(--line);padding:22px 24px;font-size:17px;color:var(--muted)}
.sensor-integration strong{color:var(--text);font-weight:600}

/* About team: compact, POVORA-like portrait scale */
.team{grid-template-columns:repeat(2,minmax(0,280px));gap:56px;justify-content:start}
.team-card{background:transparent;border:0;overflow:visible;max-width:280px}
.team-photo{width:230px;height:230px;aspect-ratio:auto;background:#181c1f;overflow:hidden;border-radius:50%}
.team-copy{padding:18px 0 0}
.team-card h3{font-size:25px;margin:0 0 6px}
.team-role{font-size:10px;line-height:1.5}
.team-card p{font-size:15px;line-height:1.5;margin-top:13px}

@media(max-width:980px){
  .sensor-products{grid-template-columns:1fr}
  .team{grid-template-columns:repeat(2,minmax(0,240px));gap:34px}
  .team-card{max-width:240px}.team-photo{width:210px;height:210px}
}
@media(max-width:620px){
  .product-card.long-title h3{font-size:38px;max-width:82%}
  .sensor-product{padding:20px}.sensor-product-visual{height:210px}
  .team{grid-template-columns:1fr;gap:42px}.team-card{max-width:260px}.team-photo{width:220px;height:220px}
}
.long-page-title{font-size:clamp(46px,6vw,82px)!important;max-width:820px}
.nav-drop-menu{width:330px}