:root{
  --ink:#0b0d14; --ink2:#11141f; --panel:#161a28; --panel2:#1c2132;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --tx:#eef0f6; --mut:#9aa1b4; --mut2:#6e7790;
  --red:#c2191c; --red2:#e0242b; --redglow:rgba(210,30,40,.45);
  --ok:#34c759;
  --maxw:1180px; --r:16px; --r2:22px;
  --grad-red:linear-gradient(135deg,#e0242b 0%,#a81818 100%);
  --shadow:0 20px 60px -20px rgba(0,0,0,.6);
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --head:'Sora','Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
  background:var(--ink);color:var(--tx);font-family:var(--font);
  line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{position:relative}
h1,h2,h3{font-family:var(--head);font-weight:700;letter-spacing:-.02em;line-height:1.08}
.eyebrow{font-family:var(--head);font-weight:600;font-size:.78rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--red2)}
.muted{color:var(--mut)}
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-family:var(--head);
  font-size:.95rem;padding:.85rem 1.4rem;border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:.2s transform,.2s box-shadow,.2s background;white-space:nowrap}
.btn-primary{background:var(--grad-red);color:#fff;box-shadow:0 8px 30px -8px var(--redglow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px -8px var(--redglow)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line2);color:var(--tx)}
.btn-ghost:hover{background:rgba(255,255,255,.09);transform:translateY(-2px)}
.btn-sm{padding:.6rem 1rem;font-size:.85rem}

/* header */
header{position:fixed;inset:0 0 auto 0;z-index:50;transition:.3s background,.3s border;
  border-bottom:1px solid transparent}
header.scrolled{background:rgba(11,13,20,.78);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:.6rem}
.brand img{height:30px;width:auto}
.nav-links{display:flex;gap:1.6rem;align-items:center}
.nav-links a{font-size:.92rem;color:var(--mut);font-weight:500;transition:.2s color}
.nav-links a:hover{color:var(--tx)}
.nav-right{display:flex;align-items:center;gap:.9rem}
.lang{display:flex;border:1px solid var(--line2);border-radius:999px;overflow:hidden;font-size:.8rem;font-weight:600}
.lang button{background:transparent;color:var(--mut);border:0;padding:.4rem .7rem;cursor:pointer;font-family:var(--head)}
.lang button.active{background:var(--grad-red);color:#fff}
.burger{display:none;background:none;border:0;color:var(--tx);font-size:1.5rem;cursor:pointer}
.nav-cta{display:none}

/* hero */
.hero{padding:160px 0 90px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-1;overflow:hidden}
.hero-bg::before{content:"";position:absolute;width:900px;height:900px;top:-380px;left:50%;
  transform:translateX(-50%);background:radial-gradient(circle,rgba(210,30,40,.22),transparent 60%);
  filter:blur(20px)}
.grid-bg{position:absolute;inset:0;background-image:
  linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:54px 54px;mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 75%);opacity:.5}
.hero h1{font-size:clamp(2.4rem,6vw,4.6rem);max-width:16ch}
.hero h1 .accent{background:var(--grad-red);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:clamp(1.05rem,2.2vw,1.3rem);color:var(--mut);max-width:54ch;margin:1.4rem 0 2.1rem}
.hero-cta{display:flex;gap:.9rem;flex-wrap:wrap}
.hero-stats{display:flex;gap:2.4rem;margin-top:3.2rem;flex-wrap:wrap}
.hero-stats .s{display:flex;flex-direction:column}
.hero-stats .s b{font-family:var(--head);font-size:1.9rem;font-weight:700}
.hero-stats .s span{font-size:.82rem;color:var(--mut2)}

/* generic section spacing */
.sec{padding:84px 0}
.sec-head{max-width:60ch;margin-bottom:48px}
.sec-head h2{font-size:clamp(1.8rem,4vw,2.8rem);margin:.6rem 0}
.sec-head p{color:var(--mut);font-size:1.05rem}

/* trust strip */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0}
.trust .row{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.trust .chip{color:var(--mut2);font-size:.85rem;font-weight:600;letter-spacing:.04em;font-family:var(--head)}
.trust .chip b{color:var(--mut)}

/* cards grid */
.grid{display:grid;gap:20px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:linear-gradient(180deg,var(--panel),var(--ink2));border:1px solid var(--line);
  border-radius:var(--r2);padding:26px;transition:.25s transform,.25s border-color,.25s box-shadow}
.card:hover{transform:translateY(-4px);border-color:var(--line2);box-shadow:var(--shadow)}
.card .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(210,30,40,.12);border:1px solid rgba(210,30,40,.25);font-size:1.3rem}
.card h3{font-size:1.18rem;margin-bottom:.5rem}
.card p{color:var(--mut);font-size:.94rem}
.card .link{display:inline-block;margin-top:14px;color:var(--red2);font-weight:600;font-size:.9rem}

/* path cards */
.path .card{cursor:default}
.path .card .tag{font-size:.75rem;color:var(--mut2);text-transform:uppercase;letter-spacing:.12em;font-family:var(--head)}

/* divisions accent variations */
.divs .card{background:linear-gradient(180deg,var(--panel2),var(--ink2))}

/* building cutaway */
.cut{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.building{position:relative;aspect-ratio:4/5;background:linear-gradient(180deg,#10131e,#0a0c12);
  border:1px solid var(--line);border-radius:var(--r2);overflow:hidden;min-height:420px}
.floor{position:absolute;left:8%;right:8%;border:1px solid var(--line);border-radius:6px;background:rgba(255,255,255,.015)}
.layer-dot{position:absolute;width:14px;height:14px;border-radius:50%;background:var(--mut2);
  box-shadow:0 0 0 0 var(--redglow);transition:.3s all}
.layer-dot.on{background:var(--red2);box-shadow:0 0 0 8px rgba(210,30,40,.18),0 0 18px var(--redglow)}
.cut-layers{display:flex;flex-direction:column;gap:10px}
.layer-btn{display:flex;gap:14px;align-items:flex-start;text-align:left;background:rgba(255,255,255,.02);
  border:1px solid var(--line);border-radius:14px;padding:16px 18px;cursor:pointer;transition:.2s all;width:100%}
.layer-btn:hover{border-color:var(--line2)}
.layer-btn.active{border-color:rgba(210,30,40,.55);background:rgba(210,30,40,.08)}
.layer-btn .n{font-family:var(--head);font-weight:700;color:var(--red2);font-size:.9rem;min-width:22px}
.layer-btn h4{font-family:var(--head);font-size:1rem;margin-bottom:2px}
.layer-btn p{color:var(--mut);font-size:.86rem}

/* economics / counter */
.econ{background:linear-gradient(135deg,#1a0e10,#0c0d14);border:1px solid rgba(210,30,40,.2);
  border-radius:var(--r2);padding:48px;text-align:center;overflow:hidden;position:relative}
.econ::after{content:"";position:absolute;width:500px;height:500px;left:50%;top:-60%;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(210,30,40,.18),transparent 60%)}
.econ .big{font-family:var(--head);font-weight:800;font-size:clamp(3rem,9vw,6rem);
  background:var(--grad-red);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.econ .sub{color:var(--mut);font-size:1.1rem;margin-top:.4rem}
.econ .incl{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:28px}
.econ .incl span{background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:999px;
  padding:.5rem 1rem;font-size:.85rem;color:var(--mut)}

/* TCO calc */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.calc-box{background:var(--panel);border:1px solid var(--line);border-radius:var(--r2);padding:30px}
.calc-box label{font-size:.85rem;color:var(--mut);font-family:var(--head);font-weight:600}
.calc-box input[type=range]{width:100%;margin:14px 0 6px;accent-color:var(--red2)}
.calc-val{font-family:var(--head);font-size:2.2rem;font-weight:700}
.calc-out{display:flex;flex-direction:column;gap:18px}
.calc-out .res{background:linear-gradient(180deg,var(--panel2),var(--ink2));border:1px solid var(--line);
  border-radius:16px;padding:22px}
.calc-out .res .k{font-size:.8rem;color:var(--mut2);text-transform:uppercase;letter-spacing:.1em;font-family:var(--head)}
.calc-out .res .v{font-family:var(--head);font-size:2rem;font-weight:700;color:var(--tx)}
.calc-out .res .v.green{color:var(--ok)}

/* work cases */
.cases .card{display:flex;flex-direction:column;justify-content:space-between;min-height:200px}
.cases .metric{font-family:var(--head);font-weight:700;font-size:1.7rem;color:var(--red2)}
.cases .loc{font-size:.8rem;color:var(--mut2);text-transform:uppercase;letter-spacing:.08em}

/* pillars */
.pillars .card .ic{background:rgba(52,199,89,.1);border-color:rgba(52,199,89,.25)}

/* CTA */
.cta-band{background:var(--grad-red);border-radius:var(--r2);padding:56px;text-align:center;position:relative;overflow:hidden}
.cta-band h2{color:#fff;font-size:clamp(1.8rem,4vw,2.6rem)}
.cta-band p{color:rgba(255,255,255,.9);margin:.6rem auto 1.6rem;max-width:48ch}
.cta-band .btn-ghost{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.4);color:#fff}
.cta-band .btn-light{background:#fff;color:var(--red)}

/* footer */
footer{border-top:1px solid var(--line);padding:54px 0 34px;margin-top:40px}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot img{height:28px;opacity:.95;margin-bottom:14px}
.foot p{color:var(--mut2);font-size:.85rem;max-width:34ch}
.foot .cols{display:flex;gap:60px;flex-wrap:wrap}
.foot h5{font-family:var(--head);font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--mut);margin-bottom:12px}
.foot a{display:block;color:var(--mut2);font-size:.9rem;margin-bottom:8px;transition:.2s}
.foot a:hover{color:var(--tx)}
.foot-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;color:var(--mut2);font-size:.8rem;flex-wrap:wrap;gap:10px}

/* reveal anim */
.reveal{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media(max-width:980px){
  .g4{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:1fr 1fr}
  .cut{grid-template-columns:1fr} .calc{grid-template-columns:1fr}
  .nav-links{display:none}
  .burger{display:block}
  .nav-right .btn-primary{display:none}
  .nav-links.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;
    align-items:stretch;background:rgba(11,13,20,.98);padding:20px 24px;
    border-bottom:1px solid var(--line);gap:18px}
  .nav-links.open .nav-cta{display:inline-flex;justify-content:center;margin-top:6px}
}
@media(max-width:620px){
  .g4,.g3,.g2{grid-template-columns:1fr}
  .econ,.cta-band,.calc-box{padding:30px 22px}
  .hero-stats{gap:1.4rem}
}
/* ============ vector graphics layer ============ */
/* SVG icons inside .ic chips */
.ic{color:var(--red2)}
.ic svg{width:24px;height:24px;display:block}
.pillars .card .ic{color:var(--ok)}

/* hero two-column with vector visual */
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.hero-visual{position:relative}
.hero-visual svg{width:100%;height:auto;overflow:visible}
.hero-visual .node{fill:#10131e}
.hero-visual .hub-ring{stroke:rgba(224,36,43,.35);stroke-width:1.5;fill:none}
.hero-visual .flow{stroke-dasharray:5 9;animation:dash 2.4s linear infinite}
.hero-visual .hub-pulse{transform-origin:370px 115px;animation:pulse 2.6s ease-out infinite}
@keyframes dash{to{stroke-dashoffset:-28}}
@keyframes pulse{0%{transform:scale(1);opacity:.8}70%{transform:scale(1.7);opacity:0}100%{opacity:0}}

/* building cutaway SVG */
#bld{display:block}
#bld svg{width:100%;height:100%}
#bld .ground,#bld .floors line{stroke:rgba(255,255,255,.10)}
#bld .body{stroke:rgba(255,255,255,.16);fill:rgba(255,255,255,.015)}
#bld .windows rect{fill:rgba(255,255,255,.035);stroke:none}
#bld .lyr{color:#454d68;opacity:.4;transition:opacity .45s ease,color .45s ease}
#bld .lyr.on{color:var(--red2);opacity:1;filter:drop-shadow(0 0 7px rgba(224,36,43,.55))}
#bld .lyr.on .flow{stroke-dasharray:6 7;animation:dash 1.1s linear infinite}

/* case-study vector plaques */
.cases .card{padding-top:0;overflow:hidden}
.case-art{height:120px;margin:-1px -26px 20px;border-bottom:1px solid var(--line);
  background:linear-gradient(160deg,#1b2030,#0c0e16);display:grid;place-items:center;position:relative}
.case-art::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 20%,rgba(210,30,40,.16),transparent 60%)}
.case-art svg{width:100%;height:100%;position:relative}
.cases .metric span{font-size:.9rem;color:var(--mut);font-family:var(--font);font-weight:500}
.cases .loc{margin-bottom:2px}
.case-next{background:var(--grad-red);border:0;justify-content:space-between}
.case-next .loc{color:rgba(255,255,255,.82)}
.case-next h3{color:#fff}
.btn-onred{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.4);color:#fff;align-self:flex-start}

/* division illustrated banners */
.divs .card{padding-top:0;overflow:hidden}
.div-art{height:128px;margin:0 -26px 22px;border-bottom:1px solid var(--line);
  background:linear-gradient(160deg,#1b2030,#0c0e16);position:relative;overflow:hidden}
.div-art::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 75% 15%,rgba(224,36,43,.18),transparent 62%)}
.div-art svg{width:100%;height:100%;position:relative;display:block}

/* single-pane-of-glass console mockup */
.console-wrap{border:1px solid var(--line);border-radius:var(--r2);
  background:linear-gradient(180deg,#0e1119,#0a0c12);padding:16px;box-shadow:var(--shadow);overflow:hidden}
.console-wrap svg{width:100%;height:auto;display:block}
.console-wrap .rec{animation:blink 1.4s steps(1) infinite}
@keyframes blink{50%{opacity:.15}}
.console-wrap .scan{animation:scan 4s linear infinite}
@keyframes scan{0%{transform:translateX(0)}100%{transform:translateX(168px)}}
.console-wrap .chart{stroke-dasharray:600;stroke-dashoffset:600;animation:draw 2.4s ease-out forwards}
@keyframes draw{to{stroke-dashoffset:0}}

/* coverage constellation */
.constellation{border:1px solid var(--line);border-radius:var(--r2);overflow:hidden;
  background:radial-gradient(ellipse 70% 80% at 48% 50%,rgba(224,36,43,.10),transparent 70%),linear-gradient(180deg,#0e1119,#0a0c12)}
.constellation svg{width:100%;height:auto;display:block}
.constellation .ln{stroke-dasharray:6 8;animation:dash 3s linear infinite}
.constellation .pulse{transform-origin:470px 190px;animation:pulse 2.8s ease-out infinite}

/* egress-via-PoP diagram */
.egress-wrap{border:1px solid var(--line);border-radius:var(--r2);overflow:hidden;
  background:linear-gradient(180deg,#0e1119,#0a0c12)}
.egress-wrap svg{width:100%;height:auto;display:block}
.egress-wrap .flow{animation:dash 1.6s linear infinite}

/* subtle fiber background texture on flagged sections */
.sec.fiber::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.6;z-index:0;
  background-image:repeating-linear-gradient(118deg,transparent 0 46px,rgba(224,36,43,.045) 46px 47px);
  mask-image:radial-gradient(ellipse 90% 70% at 50% 40%,#000,transparent 80%)}
.sec.fiber>.wrap{position:relative;z-index:1}

/* CTA decorative dot pattern */
.cta-band::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.16) 1.4px,transparent 1.4px);background-size:22px 22px;
  mask-image:radial-gradient(ellipse 80% 80% at 50% 50%,#000,transparent 75%)}
.cta-band>*{position:relative}

/* ===== real photography treatment ===== */
.hero-photo{position:relative;border-radius:var(--r2);overflow:hidden;box-shadow:var(--shadow);
  aspect-ratio:3/3.3;max-height:540px;border:1px solid var(--line2)}
.hero-photo img{width:100%;height:100%;object-fit:cover;filter:brightness(.82) saturate(.96)}
.hero-photo::after{content:"";position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(11,13,20,.12) 35%,rgba(11,13,20,.55)),
  linear-gradient(100deg,rgba(168,24,24,.20),transparent 55%)}
.hero-badge{position:absolute;left:16px;bottom:16px;z-index:1;display:flex;align-items:center;gap:10px;
  background:rgba(11,13,20,.6);backdrop-filter:blur(8px);border:1px solid var(--line2);border-radius:14px;padding:10px 14px}
.hero-badge .dot{width:9px;height:9px;border-radius:50%;background:var(--red2);
  box-shadow:0 0 0 4px rgba(224,36,43,.2);animation:blink 1.6s steps(1) infinite}
.hero-badge b{font-family:var(--head);font-size:.92rem;line-height:1.1}
.hero-badge small{color:var(--mut);font-size:.76rem}

.card-photo{height:150px;margin:0 -26px 20px;overflow:hidden;position:relative;border-bottom:1px solid var(--line)}
.card-photo img{width:100%;height:100%;object-fit:cover;display:block;filter:brightness(.84) saturate(.96);transition:.45s transform}
.card:hover .card-photo img{transform:scale(1.05)}
.card-photo::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,13,20,.05),rgba(11,13,20,.55))}

@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:24px}
  .hero-visual{max-width:460px;margin:0 auto;order:2}
}
/* keep wide schematics legible on small screens via horizontal scroll */
@media(max-width:620px){
  .egress-wrap,.console-wrap,.constellation{overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch}
  .egress-wrap svg{min-width:680px}
  .console-wrap svg{min-width:680px}
  .constellation svg{min-width:600px}
}
@media(prefers-reduced-motion:reduce){
  .reveal{transition:none;opacity:1;transform:none}
  .hero-visual .flow,.hero-visual .hub-pulse,.constellation .ln,.constellation .pulse,
  .console-wrap .rec,.console-wrap .scan,.console-wrap .chart,.egress-wrap .flow,#bld .lyr.on .flow{animation:none}
  .console-wrap .chart{stroke-dashoffset:0}
}