:root{
  --ink:#0B1626;          /* deep console navy */
  --ink-2:#122238;
  --paper:#F4F7FA;        /* cool engineering paper */
  --line:#D7E0EA;
  --blue:#0B72C4;         /* blueprint blue */
  --brand:#0FA3E8;        /* IPWOX brand cyan */
  --green:#2FBF71;        /* link-up green */
  --slate:#48586E;
  --white:#FFFFFF;
  --radius:10px;
  --maxw:1120px;
  --display:'Sora',sans-serif;
  --body:'IBM Plex Sans',sans-serif;
  --mono:'IBM Plex Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.6;font-size:16px}
img{max-width:100%}
a{color:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);display:inline-flex;align-items:center;gap:8px}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--blue)}
h1,h2,h3{font-family:var(--display);line-height:1.15;letter-spacing:-0.01em}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}

/* ---------- nav ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(11,22,38,.92);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:var(--display);font-weight:700;font-size:22px;color:var(--white);text-decoration:none;letter-spacing:.02em}
.logo span{color:var(--brand)}
.logo img{height:34px;display:block;width:auto}
.foot-logo img{height:40px;display:block;width:auto}
.nav-links{display:flex;gap:28px;align-items:center;list-style:none}
.nav-links a{color:#C4CFDD;text-decoration:none;font-size:14.5px;font-weight:500;transition:color .15s}
.nav-links a:hover{color:var(--white)}
.btn{display:inline-block;font-family:var(--body);font-weight:600;font-size:14.5px;text-decoration:none;border-radius:8px;padding:11px 20px;transition:transform .15s,box-shadow .15s;cursor:pointer;border:0}
.btn-amber{background:var(--brand);color:var(--white)}
.btn-amber:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(15,163,232,.35)}
.btn-ghost{border:1px solid rgba(255,255,255,.25);color:var(--white)}
.btn-ghost:hover{border-color:var(--white)}
.btn-blue{background:var(--blue);color:var(--white)}
.btn-blue:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(11,114,196,.35)}

/* ---------- hero ---------- */
.hero{background:linear-gradient(180deg,var(--ink) 0%,var(--ink-2) 100%);color:var(--white);padding:88px 0 72px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(15,163,232,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(15,163,232,.06) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse 80% 70% at 60% 30%,#000 40%,transparent 100%);pointer-events:none}
.hero .wrap{position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero .eyebrow{color:var(--brand)}
.hero .eyebrow::before{background:var(--brand)}
.hero h1{font-size:clamp(34px,4.6vw,54px);margin:18px 0 20px;color:var(--white)}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero p.lead{color:#B7C4D6;font-size:18px;max-width:52ch;margin-bottom:32px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{display:flex;gap:14px;margin-top:48px;flex-wrap:wrap}
.hm{background:linear-gradient(145deg,var(--brand) 0%,#0B72C4 120%);border-radius:14px;padding:22px 26px 18px;flex:1;min-width:150px;text-align:left;position:relative;overflow:hidden;box-shadow:0 12px 28px rgba(15,163,232,.22);transition:transform .18s}
.hm::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:22px 22px;mask-image:linear-gradient(160deg,#000 20%,transparent 75%);pointer-events:none}
.hm:hover{transform:translateY(-3px)}
.hm b{display:block;font-family:var(--display);font-weight:700;font-size:clamp(38px,4vw,50px);line-height:1;color:#BDE9FC;letter-spacing:-.02em;margin-bottom:9px;position:relative}
.hm span.lbl{font-family:var(--display);font-weight:700;font-size:12px;letter-spacing:.09em;text-transform:uppercase;color:rgba(255,255,255,.92);position:relative}
@media (prefers-reduced-motion:reduce){.hm{transition:none}.hm:hover{transform:none}}
@media (max-width:640px){.hero-meta{flex-direction:column}.hm b{font-size:42px}}

/* topology panel */
.topo-panel{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);border-radius:14px;padding:18px;box-shadow:0 30px 60px rgba(0,0,0,.35)}
.topo-head{display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:11.5px;color:#8FA1B8;padding:0 6px 12px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:8px}
.topo-head .status{color:var(--green)}
.topo-head .status::before{content:"●";margin-right:6px}
svg text{font-family:var(--mono)}
.node-label{fill:#AEBDD0;font-size:10px}
.link-line{stroke:rgba(255,255,255,.18);stroke-width:1.4}
.packet{fill:var(--brand)}
.packet.p2{fill:var(--blue)}
.packet.p3{fill:var(--green)}
@keyframes travelA{0%{offset-distance:0%}100%{offset-distance:100%}}
.node-ring{fill:none;stroke:rgba(255,176,32,.0);stroke-width:1.2;animation:pulse 3.2s ease-out infinite}
@keyframes pulse{0%{r:14;stroke:rgba(15,163,232,.5)}70%{r:26;stroke:rgba(15,163,232,0)}100%{r:26;stroke:rgba(15,163,232,0)}}
@media (prefers-reduced-motion:reduce){.packet,.node-ring{animation:none !important;display:none}}

/* ---------- trust strip (marquee) ---------- */
.trust{background:var(--white);border-bottom:1px solid var(--line);overflow:hidden}
.trust .wrap{display:flex;align-items:center;gap:24px;padding-top:22px;padding-bottom:22px}
.trust .t-label{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--slate);flex:0 0 auto}
.marquee{overflow:hidden;flex:1;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:56px;width:max-content;animation:scroll 28s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(-50%)}}
.vendor{font-family:var(--display);font-weight:600;font-size:15px;color:#7C8BA1;letter-spacing:.02em;white-space:nowrap}
@media (prefers-reduced-motion:reduce){.marquee-track{animation:none;flex-wrap:wrap}}

/* ---------- scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- services ---------- */
.section{padding:88px 0}
.sec-head{max-width:640px;margin-bottom:48px}
.sec-head h2{font-size:clamp(28px,3.4vw,38px);margin:14px 0 14px}
.sec-head p{color:var(--slate);font-size:17px}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;position:relative;transition:transform .18s,box-shadow .18s;overflow:hidden}
.svc::after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);transform:scaleY(0);transform-origin:top;transition:transform .25s}
.svc:hover::after{transform:scaleY(1)}
.svc:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(11,22,38,.09)}
.svc .tag{font-family:var(--mono);font-size:11px;color:var(--blue);letter-spacing:.1em}
.svc h3{font-size:19px;margin:12px 0 10px}
.svc p{color:var(--slate);font-size:15px}
.svc .out{margin-top:16px;font-family:var(--mono);font-size:12px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:8px 10px;display:inline-block}
.svc .out::before{content:"→ ";color:var(--green)}

/* ---------- process ---------- */
.process{background:var(--ink);color:var(--white)}
.process .eyebrow{color:var(--brand)}
.process .eyebrow::before{background:var(--brand)}
.process .sec-head p{color:#B7C4D6}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);overflow:hidden}
.step{padding:30px 26px;border-right:1px solid rgba(255,255,255,.12)}
.step:last-child{border-right:0}
.step .n{font-family:var(--mono);font-size:12px;color:var(--brand)}
.step h3{font-size:17px;margin:12px 0 8px;color:var(--white)}
.step p{font-size:14px;color:#A9B8CB}

/* ---------- proof ---------- */
.proof-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
blockquote{background:var(--white);border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:var(--radius);padding:30px 32px;font-size:17.5px;line-height:1.65}
blockquote footer{margin-top:18px;font-family:var(--mono);font-size:12.5px;color:var(--slate)}
.proof-points{list-style:none;display:grid;gap:16px}
.proof-points li{display:flex;gap:14px;align-items:flex-start;font-size:15.5px;color:var(--slate)}
.proof-points li::before{content:"✓";flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:rgba(47,191,113,.12);color:var(--green);display:grid;place-items:center;font-size:13px;font-weight:700}
.proof-points b{color:var(--ink)}

/* ---------- cta ---------- */
.cta{background:linear-gradient(135deg,var(--brand) 0%,#0B72C4 100%);color:var(--white);border-radius:16px;padding:56px;display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta h2{font-size:clamp(24px,3vw,32px);max-width:22ch;color:var(--white)}
.cta p{color:#E3F4FE;margin-top:10px;max-width:48ch}
.cta .btn-amber{white-space:nowrap}

/* ---------- footer ---------- */
footer.site{background:var(--ink);color:#93A4BA;padding:56px 0 32px;margin-top:88px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.09)}
.foot-grid h4{font-family:var(--mono);font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;color:#6E819B;margin-bottom:14px}
.foot-grid ul{list-style:none;display:grid;gap:9px;font-size:14.5px}
.foot-grid a{text-decoration:none;color:#93A4BA}
.foot-grid a:hover{color:var(--white)}
.foot-logo{font-family:var(--display);font-weight:700;font-size:22px;color:var(--white)}
.foot-logo span{color:var(--brand)}
.foot-tag{font-size:14px;margin-top:10px;max-width:34ch}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-family:var(--mono);font-size:12px;color:#6E819B}

/* ---------- responsive ---------- */
@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr}
  .svc-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .step:nth-child(2){border-right:0}
  .step:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.12)}
  .proof-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  
}
@media (max-width:560px){
  .svc-grid,.steps{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}
  .step:last-child{border-bottom:0}
  .cta{padding:36px 28px}
  .foot-grid{grid-template-columns:1fr}
}

/* ---------- inner page hero ---------- */
.page-hero{background:linear-gradient(180deg,var(--ink) 0%,var(--ink-2) 100%);color:var(--white);padding:72px 0 56px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(15,163,232,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(15,163,232,.06) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse 80% 80% at 50% 0%,#000 30%,transparent 100%);pointer-events:none}
.page-hero .wrap{position:relative}
.page-hero h1{font-size:clamp(30px,4vw,44px);margin-top:16px;color:var(--white)}
.page-hero p{color:#B7C4D6;font-size:17.5px;max-width:60ch;margin-top:14px}
.page-hero .eyebrow{color:var(--brand)}
.page-hero .eyebrow::before{background:var(--brand)}
.crumbs{font-family:var(--mono);font-size:12px;color:#8FA1B8;margin-bottom:8px}
.crumbs a{color:#8FA1B8;text-decoration:none}
.crumbs a:hover{color:var(--white)}

/* ---------- service detail blocks ---------- */
.svc-detail{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;padding:56px 0;border-bottom:1px solid var(--line);align-items:start}
.svc-detail:last-of-type{border-bottom:0}
.svc-detail .tag{font-family:var(--mono);font-size:12px;color:var(--brand);letter-spacing:.1em}
.svc-detail h2{font-size:clamp(23px,2.6vw,30px);margin:10px 0 14px}
.svc-detail p{color:var(--slate);font-size:16px;max-width:60ch}
.svc-detail ul{list-style:none;margin-top:18px;display:grid;gap:10px}
.svc-detail ul li{display:flex;gap:12px;color:var(--slate);font-size:15px}
.svc-detail ul li::before{content:"›";color:var(--brand);font-weight:700}
.deliver-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.deliver-card h4{font-family:var(--mono);font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--slate);margin-bottom:14px}
.deliver-card ol{list-style:none;display:grid;gap:10px}
.deliver-card ol li{font-family:var(--mono);font-size:13px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:9px 12px}
.deliver-card ol li::before{content:"→ ";color:var(--green)}

/* ---------- vendors page ---------- */
.vendor-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.vendor-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .18s,box-shadow .18s}
.vendor-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(11,22,38,.09)}
.vendor-card h3{font-size:19px;display:flex;align-items:center;gap:10px}
.vendor-card h3::before{content:"";width:10px;height:10px;border-radius:2px;background:var(--brand);flex:0 0 auto}
.vendor-card .vtag{font-family:var(--mono);font-size:11px;color:var(--slate);letter-spacing:.08em;margin:6px 0 10px;display:block}
.vendor-card p{color:var(--slate);font-size:15px}

/* ---------- contact page ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.contact-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:32px}
.contact-card h3{font-size:20px;margin-bottom:6px}
.contact-card p.sub{color:var(--slate);font-size:15px;margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:8px;font-family:var(--body);font-size:15px;background:var(--paper);color:var(--ink)}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--brand);outline-offset:0;border-color:var(--brand)}
.info-rows{display:grid;gap:18px}
.info-row{display:flex;gap:14px;align-items:flex-start}
.info-row .ic{width:38px;height:38px;border-radius:8px;background:rgba(15,163,232,.12);color:var(--brand);display:grid;place-items:center;font-size:16px;flex:0 0 auto}
.info-row b{display:block;font-size:15px}
.info-row span{color:var(--slate);font-size:14.5px}
.info-row a{color:var(--slate)}
@media (max-width:860px){.svc-detail,.contact-grid{grid-template-columns:1fr}.vendor-grid{grid-template-columns:1fr}}

/* ---------- mobile nav ---------- */
.menu-btn{display:none;background:none;border:1px solid rgba(255,255,255,.25);border-radius:8px;color:#fff;padding:8px 12px;font-family:var(--mono);font-size:13px;cursor:pointer}
@media (max-width:920px){
  .menu-btn{display:block}
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);border-bottom:1px solid rgba(255,255,255,.1);flex-direction:column;gap:0;padding:8px 24px 20px}
  .nav-links.open{display:flex}
  .nav-links li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.07)}
  .nav-links li:last-child{border-bottom:0;padding-top:16px}
}