:root{
  --navy:#0e1a22;
  --navy-2:#142631;
  --navy-3:#1a303d;
  --ink:#13232c;
  --muted:#66767e;
  --coral:#ff846b;
  --coral-2:#ff6c50;
  --cyan:#6de7e2;
  --cyan-dark:#2aa7a3;
  --bg:#f6f9f9;
  --soft:#edf4f4;
  --line:#d9e4e6;
  --white:#fff;
  --radius:24px;
  --shadow:0 24px 70px rgba(14,26,34,.10);
}

*{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(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button{font:inherit}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(14,26,34,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-shell{height:74px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;min-width:max-content}
.brand-mark{
  width:38px;height:38px;display:grid;place-items:center;border-radius:11px;
  color:var(--navy);font-weight:950;background:linear-gradient(135deg,var(--coral),#ffbe88);
}
.brand-copy{display:flex;flex-direction:column;line-height:1}
.brand-copy strong{font-size:1.05rem;letter-spacing:.14em}
.brand-copy small{font-size:.56rem;color:#9cb0b9;letter-spacing:.17em;text-transform:uppercase;margin-top:5px}
.primary-nav{display:flex;align-items:center;gap:24px;color:#c4d1d7;font-size:.92rem}
.primary-nav>a:hover,.products-trigger:hover{color:#fff}
.products-trigger{border:0;background:none;color:inherit;padding:24px 0;cursor:pointer}
.nav-products{position:relative}
.products-menu{
  position:absolute;top:62px;right:-120px;width:min(620px,85vw);padding:14px;
  display:grid;grid-template-columns:1fr 1fr;gap:8px;
  background:#fff;color:var(--ink);border-radius:18px;box-shadow:0 28px 70px rgba(0,0,0,.28);
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:.18s ease;
}
.nav-products:hover .products-menu,
.nav-products.open .products-menu{opacity:1;visibility:visible;transform:translateY(0)}
.products-menu a{padding:14px;border-radius:12px;display:flex;flex-direction:column;gap:4px}
.products-menu a:hover,.products-menu a.active{background:var(--soft)}
.products-menu strong{font-size:.82rem;letter-spacing:.1em}
.products-menu span{font-size:.76rem;line-height:1.4;color:var(--muted)}
.menu-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.menu-toggle span:not(.sr-only){display:block;width:24px;height:2px;background:#fff;margin:5px 0}

.hero{
  position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:110px 0 92px;
}
.hero::before{
  content:"";position:absolute;width:720px;height:720px;border-radius:50%;
  right:-280px;top:-340px;background:radial-gradient(circle,rgba(109,231,226,.18),transparent 67%);
}
.hero::after{
  content:"";position:absolute;width:600px;height:600px;border-radius:50%;
  left:-320px;bottom:-420px;background:radial-gradient(circle,rgba(255,132,107,.16),transparent 67%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;
  font-size:.76rem;font-weight:850;letter-spacing:.11em;text-transform:uppercase;
  background:rgba(109,231,226,.12);color:var(--cyan)
}
.eyebrow.dark{background:#dff6f4;color:#137b78}
.hero h1{margin:22px 0 20px;font-size:clamp(3rem,6vw,5.6rem);line-height:.98;letter-spacing:-.055em}
.hero h1 span{color:var(--cyan)}
.hero-lead{max-width:720px;color:#b9c8ce;font-size:1.1rem;line-height:1.75;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.btn{display:inline-flex;min-height:50px;padding:0 21px;border-radius:12px;align-items:center;justify-content:center;font-weight:800;border:1px solid transparent}
.btn-primary{background:var(--coral);color:#111820}
.btn-primary:hover{background:var(--coral-2)}
.btn-secondary{border-color:rgba(255,255,255,.25);color:#fff;background:rgba(255,255,255,.05)}
.btn-secondary:hover{background:rgba(255,255,255,.10)}
.hero-panel{
  position:relative;background:#fff;color:var(--ink);border-radius:26px;padding:30px;box-shadow:0 30px 100px rgba(0,0,0,.28)
}
.signal-card-main{padding:26px;border:1px solid var(--line);border-radius:18px}
.signal-label{display:inline-block;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan-dark);font-weight:850}
.signal-card-main strong,.product-signal>strong{display:block;font-size:1.9rem;line-height:1.15;margin:12px 0}
.signal-card-main p,.product-signal>p{color:var(--muted);line-height:1.65;margin:0}
.signal-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.signal-mini{padding:18px;border-radius:15px;background:var(--soft)}
.signal-mini span{display:block;color:var(--coral);font-size:.74rem;font-weight:850}
.signal-mini strong{display:block;margin-top:5px}
.product-kicker{margin-top:18px;color:var(--coral);font-size:.9rem;font-weight:900;letter-spacing:.18em}
.signal-orbit{
  width:190px;height:190px;margin:8px auto 22px;border-radius:50%;
  display:grid;place-items:center;border:1px solid var(--line);position:relative;background:var(--soft)
}
.signal-orbit::before,.signal-orbit::after{content:"";position:absolute;border:1px solid #cadadc;border-radius:50%}
.signal-orbit::before{inset:18px}.signal-orbit::after{inset:40px}
.signal-orbit span{position:relative;z-index:2;width:94px;height:94px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-size:.82rem;font-weight:900;letter-spacing:.1em}

.product-strip{background:#fff;border-bottom:1px solid var(--line)}
.product-strip-grid{display:grid;grid-template-columns:repeat(7,1fr)}
.product-strip-item{padding:16px 8px;text-align:center;border-right:1px solid var(--line);transition:.15s ease}
.product-strip-item:first-child{border-left:1px solid var(--line)}
.product-strip-item span{display:block;font-size:.68rem;color:#98a8ae}
.product-strip-item strong{display:block;margin-top:4px;font-size:.76rem;letter-spacing:.08em}
.product-strip-item:hover,.product-strip-item.active{background:var(--soft);color:var(--cyan-dark)}

.section{padding:92px 0}
.section-soft{background:var(--soft)}
.section-dark{background:var(--navy);color:#fff}
.section-heading{max-width:720px;margin-bottom:40px}
.section-heading h2{margin:16px 0 14px;font-size:clamp(2.25rem,4vw,4rem);line-height:1.04;letter-spacing:-.045em}
.section-heading p{margin:0;color:var(--muted);line-height:1.75}
.section-heading.light p{color:#aebfc6}

.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.product-card{position:relative;min-height:320px;padding:26px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 28px rgba(14,26,34,.04);transition:.18s ease}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9d8da}
.product-number{position:absolute;right:22px;top:22px;color:#b6c3c8;font-size:.72rem;font-weight:850}
.product-eyebrow{color:var(--cyan-dark);font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;font-weight:850}
.product-card h3{font-size:2rem;margin:52px 0 14px;letter-spacing:.04em}
.product-card p{color:var(--muted);line-height:1.65}
.card-link{position:absolute;left:26px;bottom:25px;color:var(--coral-2);font-weight:850}

.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step-card{padding:24px;border-radius:18px;background:var(--navy-2);border:1px solid rgba(255,255,255,.08)}
.step-card.light-card{background:#fff;border-color:var(--line);color:var(--ink)}
.step-card>span{color:var(--coral);font-weight:900;font-size:.76rem}
.step-card h3{font-size:1.3rem;margin:20px 0 10px}
.step-card p{margin:0;color:#aebfc6;line-height:1.65}
.step-card.light-card p{color:var(--muted)}

.two-col{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
.sticky-heading{position:sticky;top:110px}
.feature-list{border-top:1px solid var(--line)}
.feature-row{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:24px 0;border-bottom:1px solid var(--line)}
.feature-row span{font-size:.72rem;color:var(--coral-2);font-weight:900}
.feature-row p{margin:0;font-size:1.08rem;line-height:1.6}

.evidence-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
.evidence-list{display:grid;gap:12px}
.evidence-list div{display:flex;gap:14px;align-items:center;padding:20px;border-radius:15px;background:var(--navy-2);border:1px solid rgba(255,255,255,.07)}
.evidence-list span{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:rgba(109,231,226,.13);color:var(--cyan);font-weight:900}
.cta-section{padding-top:70px}
.cta-card{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:40px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.cta-card h2{font-size:2.4rem;margin:14px 0 8px}
.cta-card p{margin:0;color:var(--muted);max-width:700px;line-height:1.65}

.error-code{font-size:clamp(6rem,13vw,10rem);line-height:.8;letter-spacing:-.08em;color:var(--coral);font-weight:950;margin-top:26px}
.not-found-panel img{border-radius:18px;background:#fff}
.not-found-panel strong{display:block;margin:18px 0 6px}
.not-found-panel p{margin:0;color:var(--muted)}

.site-footer{background:#091217;color:#8fa1aa;padding:48px 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr .8fr;gap:50px;align-items:start}
.footer-brand{margin-bottom:16px}
.site-footer p{max-width:420px;line-height:1.6}
.footer-products{display:grid;grid-template-columns:1fr 1fr;gap:9px 18px}
.footer-products>strong{grid-column:1/-1;color:#fff;margin-bottom:6px}
.footer-products a:hover{color:#fff}
.footer-meta{display:flex;flex-direction:column;gap:12px}
.footer-meta strong{color:#fff}

@media(max-width:980px){
  .menu-toggle{display:block}
  .primary-nav{
    position:absolute;left:20px;right:20px;top:66px;display:none;flex-direction:column;align-items:stretch;
    padding:18px;background:#fff;color:var(--ink);border-radius:16px;box-shadow:0 25px 60px rgba(0,0,0,.25)
  }
  .primary-nav.open{display:flex}
  .products-trigger{width:100%;text-align:left;padding:8px 0}
  .products-menu{position:static;width:100%;opacity:1;visibility:visible;transform:none;box-shadow:none;display:none;padding:8px 0}
  .nav-products.open .products-menu{display:grid}
  .hero-grid,.two-col,.evidence-grid{grid-template-columns:1fr}
  .sticky-heading{position:static}
  .product-grid{grid-template-columns:1fr 1fr}
  .steps-grid{grid-template-columns:1fr 1fr}
  .product-strip-grid{overflow-x:auto;display:flex}
  .product-strip-item{min-width:120px}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media(max-width:640px){
  .container{width:min(100% - 28px,1180px)}
  .hero{padding:82px 0 58px}
  .hero h1{font-size:3rem}
  .hero-grid{gap:38px}
  .product-grid,.steps-grid{grid-template-columns:1fr}
  .signal-grid{grid-template-columns:1fr 1fr}
  .section{padding:68px 0}
  .cta-card{align-items:flex-start;flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
}