/* TECH RETAINER — Products pages. Premium "operations" identity:
   navy + cyan, dark ink feature bands, monospace labels, precise grid. */
:root{
  --ink:#080d1a; --ink-2:#0e1730; --on-ink:#e9eef7; --on-ink-dim:#94a3c2; --on-ink-line:#22304f;
  --navy:hsl(221 72% 40%); --cyan:hsl(196 92% 54%); --cyan-deep:hsl(199 90% 44%);
  --bg:#f3f6fb; --surface:#ffffff; --surface-2:#eef3f9;
  --text:#0c1424; --muted:#54607a; --border:#e3e9f2; --accent:var(--cyan-deep);
  --shadow:0 24px 60px -30px rgb(9 17 34 / .35); --shadow-sm:0 10px 30px -18px rgb(9 17 34 / .3);
  --r:16px; --maxw:1160px;
  --sans:"Segoe UI Variable Display","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Code","JetBrains Mono",Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 26px}
h1,h2,h3{letter-spacing:-.028em;line-height:1.05;text-wrap:balance;font-weight:800}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.brand img{height:32px;width:auto}
.brand span b{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:var(--muted);font-weight:600;font-size:.93rem;transition:color .15s}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.95rem;padding:12px 21px;border-radius:11px;cursor:pointer;border:1px solid transparent;transition:transform .16s,background .16s,border-color .16s,color .16s}
.btn-primary{background:var(--cyan);color:#04121d}
.btn-primary:hover{background:hsl(196 92% 61%);transform:translateY(-2px)}
.btn-accent{background:var(--navy);color:#fff}
.btn-accent:hover{filter:brightness(1.09);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--on-ink-line);color:var(--on-ink)}
.btn-ghost:hover{border-color:var(--cyan);color:#fff}
.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:9px;padding:8px 11px;color:var(--text);cursor:pointer;font-size:16px}

/* ---------- Hero (dark ops band) ---------- */
.hero{background:radial-gradient(120% 130% at 82% -20%,#12224a 0%,var(--ink) 48%);color:var(--on-ink);padding:78px 0 90px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--on-ink-line) 1px,transparent 1px),linear-gradient(90deg,var(--on-ink-line) 1px,transparent 1px);background-size:60px 60px;opacity:.16;mask-image:radial-gradient(80% 75% at 55% 0%,#000,transparent 78%)}
.hero .container{position:relative}
.hero .eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);font-weight:600}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);margin:18px 0 16px;max-width:18ch}
.hero p{font-size:clamp(1.04rem,1.8vw,1.22rem);max-width:58ch;margin:0 0 28px;color:var(--on-ink-dim)}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap}
.hero .btn-accent{background:var(--cyan);color:#04121d}
.hero .btn-accent:hover{background:hsl(196 92% 61%)}
.breadcrumb{font-family:var(--mono);font-size:.78rem;letter-spacing:.04em;color:var(--on-ink-dim);margin-bottom:16px}
.breadcrumb a{color:var(--cyan)}
.breadcrumb a:hover{text-decoration:underline}

/* ---------- Sections ---------- */
section{padding:78px 0}
.section-head{max-width:62ch;margin:0 0 44px}
.section-head.center,.section-head{text-align:left}
.section-head .eyebrow{font-family:var(--mono);color:var(--accent);font-weight:600;letter-spacing:.2em;text-transform:uppercase;font-size:.74rem}
.section-head h2{font-size:clamp(1.7rem,3.2vw,2.5rem);margin:.5rem 0 .6rem}
.section-head p{color:var(--muted);font-size:1.08rem;margin:0}
.muted-band{background:var(--surface-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}

/* ---------- Product cards (showcase) ---------- */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.pcard{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:28px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;position:relative;overflow:hidden;transition:transform .2s,box-shadow .2s}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.pcard::after{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:linear-gradient(90deg,var(--navy),var(--cyan));transform:scaleX(0);transform-origin:left;transition:transform .25s}
.pcard:hover::after{transform:scaleX(1)}
.pcard .icon{width:54px;height:54px;border-radius:13px;display:grid;place-items:center;font-size:27px;margin-bottom:16px;background:var(--surface-2);border:1px solid var(--border)}
.pcard h3{font-size:1.28rem;margin:0 0 8px}
.pcard .tag{font-family:var(--mono);font-size:.72rem;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.12em;margin-bottom:12px}
.pcard p{color:var(--muted);margin:0 0 20px;flex:1}
.pcard .learn{margin-top:auto}

/* ---------- Feature / benefit lists ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:24px;transition:border-color .18s}
.feature:hover{border-color:color-mix(in srgb,var(--cyan) 45%,var(--border))}
.feature h4{margin:.2rem 0 .5rem;font-size:1.06rem;display:flex;align-items:center;gap:11px;letter-spacing:-.01em}
.feature .dot{width:36px;height:36px;border-radius:10px;background:color-mix(in srgb,var(--cyan) 14%,transparent);color:var(--accent);display:grid;place-items:center;font-size:18px;flex:none}
.feature p{margin:0;color:var(--muted);font-size:.96rem}
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.checklist li{display:flex;gap:12px;align-items:flex-start;color:var(--muted)}
.checklist li::before{content:"✓";color:#04121d;background:var(--cyan);width:22px;height:22px;border-radius:6px;display:grid;place-items:center;font-size:.8rem;font-weight:800;flex:none;margin-top:3px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split h2{font-size:clamp(1.5rem,3vw,2.1rem);margin-top:0;letter-spacing:-.02em}
.split p{color:var(--muted);font-size:1.04rem}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:26px;text-align:center}
.stat .num{font-size:2rem;font-weight:800;font-variant-numeric:tabular-nums;background:linear-gradient(120deg,var(--navy),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .lbl{color:var(--muted);font-size:.92rem;font-family:var(--mono)}

/* ---------- CTA band (dark) ---------- */
.cta{background:radial-gradient(110% 130% at 15% 0%,#153061,var(--ink) 62%);color:var(--on-ink);text-align:center;border-radius:24px;padding:60px 30px;margin:0 26px;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--on-ink-line) 1px,transparent 1px),linear-gradient(90deg,var(--on-ink-line) 1px,transparent 1px);background-size:52px 52px;opacity:.14;mask-image:radial-gradient(70% 80% at 50% 0%,#000,transparent)}
.cta>*{position:relative}
.cta h2{font-size:clamp(1.6rem,3vw,2.2rem);margin:0 0 12px}
.cta p{color:var(--on-ink-dim);max-width:52ch;margin:0 auto 26px;font-size:1.1rem}
.cta .btn-accent{background:var(--cyan);color:#04121d}
.cta .btn-accent:hover{background:hsl(196 92% 61%)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--on-ink-dim);padding:52px 0 34px}
.site-footer .cols{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
.site-footer a{color:var(--on-ink-dim)}
.site-footer a:hover{color:var(--cyan)}
.site-footer h5{color:var(--on-ink);margin:0 0 12px;font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;font-family:var(--mono)}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px;font-size:.94rem}
.site-footer .copy{border-top:1px solid var(--on-ink-line);margin-top:32px;padding-top:20px;font-size:.85rem;color:var(--on-ink-dim);font-family:var(--mono)}
.site-footer .brand span{color:var(--on-ink)}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .grid-3,.feature-grid,.stats{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:30px}
}
@media (max-width:640px){
  .grid-3,.grid-2,.feature-grid,.stats{grid-template-columns:1fr}
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--border);padding:18px 26px;gap:16px}
  .nav-toggle{display:inline-flex}
  section{padding:56px 0}
  .hero{padding:60px 0 66px}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto}}

/* ---------- Bento grid (matches the site) ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(150px,auto);gap:18px}
.bento .b{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:26px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;transition:transform .2s,box-shadow .2s}
.bento .b:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.bento .b .k{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.bento .b h3{font-size:1.25rem;letter-spacing:-.02em;margin:0 0 8px}
.bento .b p{color:var(--muted);font-size:.96rem;margin:0}
.bento .b .learn{margin-top:12px;color:var(--accent);font-weight:700;display:inline-flex;align-items:center;gap:7px;font-size:.95rem}
.bento .lead{grid-column:span 2;grid-row:span 2;background:linear-gradient(160deg,var(--ink-2),var(--ink));color:var(--on-ink);border-color:var(--on-ink-line)}
.bento .lead .k{color:var(--cyan)} .bento .lead p{color:var(--on-ink-dim)} .bento .lead h3{color:#fff;font-size:clamp(1.4rem,2.4vw,1.9rem)}
.bento .lead::after{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--on-ink-line) 1px,transparent 1px),linear-gradient(90deg,var(--on-ink-line) 1px,transparent 1px);background-size:40px 40px;opacity:.2;mask-image:radial-gradient(80% 80% at 90% 0%,#000,transparent 70%);pointer-events:none}
.bento .lead>*{position:relative}
.bento .wide{grid-column:span 2}
@media (max-width:900px){.bento{grid-template-columns:repeat(2,1fr)}.bento .lead{grid-column:span 2;grid-row:span 1}.bento .wide{grid-column:span 2}}
@media (max-width:640px){.bento{grid-template-columns:1fr}.bento .lead,.bento .wide{grid-column:span 1}}