:root{
  --blue:#2c91e2; --blue-d:#1a72ba; --deep:#234e61; --ink:#14303c; --sky:#eaf4fc; --line:#cfe3f2; --white:#fff; --text:#1c3340; --muted:#4d6674;
  --f-head:"Lexend",system-ui,sans-serif; --f-body:"Schibsted Grotesk",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:400 17px/1.65 var(--f-body);color:var(--text);background:var(--white)}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-d);text-underline-offset:3px}
a:hover{color:var(--deep)}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.wrap{max-width:1160px;margin:0 auto;padding:0 16px}
h1,h2,h3{font-family:var(--f-head);color:var(--ink);line-height:1.2;font-weight:600;margin:0 0 .5em}
h1{font-size:clamp(1.9rem,4.2vw,3rem);letter-spacing:-.01em}
h2{font-size:clamp(1.45rem,2.6vw,2rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:var(--ink);padding:10px 16px;z-index:100}
.skip:focus{left:8px;top:8px}
.strip{background:var(--ink);color:#c9dde9;font-size:13px;line-height:1.45;padding:7px 0}
.strip a{color:#fff}
/* header */
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.bar{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;font:600 1.02rem var(--f-head);color:var(--ink);text-decoration:none}
.brand .mark{width:34px;height:34px;flex:none}
#menu{margin-left:auto;display:flex;align-items:center;gap:22px}
#menu ul{list-style:none;margin:0;padding:0;display:flex;gap:6px}
#menu li a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;color:var(--ink);text-decoration:none;font-weight:500;border-radius:8px}
#menu li a:hover{background:var(--sky)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 24px;border:0;border-radius:10px;background:var(--blue-d);color:#fff;font:500 1rem var(--f-head);text-decoration:none;cursor:pointer}
.btn:hover{background:var(--deep);color:#fff}
.btn-nav{min-height:44px;padding:8px 18px}
.btn[disabled]{opacity:.6;cursor:wait}
.burger{display:none;margin-left:auto;width:48px;height:48px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger span{display:block;width:22px;height:2px;background:var(--ink)}
/* hero */
.hero{position:relative;overflow:hidden;color:#fff;background:linear-gradient(115deg,var(--ink) 0%,var(--deep) 62%,#2b6179 100%);padding:64px 0 72px}
.hero-fibres{position:absolute;inset:0;width:100%;height:100%;opacity:.8}
.hf{stroke:#4aa6ec;stroke-width:1.6;opacity:.3}
.hpl{stroke:#bfe3ff;stroke-width:3.5;stroke-dasharray:60 940;animation:run 7s linear infinite}
.hpl.p2{animation-duration:9s;animation-delay:-3s}.hpl.p3{animation-duration:11s;animation-delay:-6s}
@keyframes run{from{stroke-dashoffset:0}to{stroke-dashoffset:-1000}}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.hero h1{color:#fff;max-width:18ch}
.hero .lead{font-size:1.15rem;color:#dbeaf4;max-width:52ch}
.hero-act{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;margin-top:28px}
.hero .btn-lg{background:var(--blue);color:#06202c;min-height:54px;padding:14px 30px;font-size:1.05rem}
.hero .btn-lg:hover{background:#fff;color:var(--ink)}
.link-light{color:#fff;display:inline-flex;align-items:center;min-height:44px;font-weight:500}
.hero-img{margin:0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 35%);mask-image:linear-gradient(90deg,transparent,#000 35%)}
.hero-img img{width:100%;border-radius:0 0 0 90px;aspect-ratio:3/2;object-fit:cover}
/* sections */
.sec{padding:72px 0}
.sec-lead{max-width:62ch;color:var(--muted);font-size:1.08rem}
.path{background:#fff}
.path-svg{width:100%;height:auto;margin:20px 0 8px;overflow:visible}
.fibre{fill:none;stroke:#9cc9ea;stroke-width:3;stroke-linecap:round}
.pulse{fill:none;stroke:var(--blue);stroke-width:6;stroke-linecap:round;stroke-dasharray:70 930;animation:run 6s linear infinite}
.node circle{fill:#fff;stroke:var(--deep);stroke-width:3}
.node path,.node rect{fill:none;stroke:var(--deep);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.node.end circle{fill:var(--blue);stroke:none}
.path-notes{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.path-notes h3{margin-bottom:.3em}.path-notes p{color:var(--muted);font-size:.97rem}
.cities{background:var(--sky)}
.city-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:28px}
.city-card{position:relative;min-height:300px;padding:30px;color:#fff;display:flex;flex-direction:column;justify-content:flex-end;border-radius:4px 40px 4px 40px;background:linear-gradient(0deg,rgba(20,48,60,.92) 8%,rgba(20,48,60,.35) 70%),var(--img) center/cover}
.city-card h3{color:#fff;font-size:1.6rem}
.city-card h3 a{color:#fff;text-decoration:none}
.city-card h3 a:hover{text-decoration:underline}
.city-card p{color:#e1eef6;max-width:42ch}
.chips{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.chips a{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border:1.5px solid rgba(255,255,255,.7);border-radius:999px;color:#fff;text-decoration:none;font-weight:500}
.chips a:hover{background:#fff;color:var(--ink)}
.two{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.steps{background:#fff}
.seq{list-style:none;counter-reset:s;margin:0 0 1.2em;padding:0}
.seq li{counter-increment:s;position:relative;padding:0 0 18px 56px}
.seq li::before{content:counter(s);position:absolute;left:0;top:-2px;width:38px;height:38px;border-radius:50%;background:var(--deep);color:#fff;font:600 1rem/38px var(--f-head);text-align:center}
.ph{margin:0}
.ph img{width:100%;border-radius:40px 4px 40px 4px;aspect-ratio:3/2;object-fit:cover}
.ph figcaption{font-size:.88rem;color:var(--muted);margin-top:10px}
.none{background:var(--deep);color:#e3eff6}
.none h2,.none h3{color:#fff}
.none .sec-lead{color:#c8dce8}
.alt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:28px}
.alt-grid>div{border-left:4px solid var(--blue);padding-left:20px}
.types{background:var(--sky)}
.type-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:24px}
.type-grid>div{border-top:4px solid var(--blue);padding-top:16px}
.type-grid p{color:var(--muted);font-size:.97rem}
/* subpages */
.phero{background:var(--deep);color:#fff;padding:44px 0 0;position:relative}
.phero::after{content:"";display:block;height:4px;margin-top:40px;background:linear-gradient(90deg,var(--blue),#bfe3ff 40%,rgba(191,227,255,0))}
.phero h1{color:#fff;max-width:24ch}
.phero .lead{color:#dbeaf4;font-size:1.15rem;max-width:64ch}
.phero .meta{color:#aac6d6;font-size:.92rem;margin:0}
.crumbs{font-size:.92rem;margin-bottom:14px;color:#aac6d6}
.crumbs a{color:#fff}
.art{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:56px;align-items:start}
.prose{max-width:72ch}
.prose h2{margin-top:1.8em}
.prose h2:first-child{margin-top:0}
.prose ul{padding-left:1.2em}.prose li{margin-bottom:.5em}
.links{list-style:none;padding:0!important}
.links li{padding:10px 0;border-bottom:1px solid var(--line)}
.side{position:sticky;top:92px}
.askbox{margin-top:22px;padding:22px;background:var(--sky);border-left:5px solid var(--blue)}
.askbox h2{font-size:1.2rem}
.faq{margin-top:2.4em}
details{border-bottom:1px solid var(--line);padding:2px 0}
summary{cursor:pointer;min-height:48px;display:flex;align-items:center;font:500 1.02rem var(--f-head);color:var(--ink);list-style:none;padding:6px 28px 6px 0;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:4px;font-size:1.4rem;color:var(--blue-d)}
details[open] summary::after{content:"\2212"}
details p{color:var(--muted);padding-bottom:10px}
.rel{margin-top:2.4em;padding:22px;background:var(--sky)}
.rel ul{margin:0;padding-left:1.1em}
.posts{display:grid;gap:36px}
.post{display:grid;grid-template-columns:300px 1fr;gap:28px;align-items:center}
.post img{border-radius:30px 4px 30px 4px;aspect-ratio:3/2;object-fit:cover;width:100%}
.post h2{font-size:1.4rem}.post h2 a{color:var(--ink);text-decoration:none}
.post h2 a:hover{text-decoration:underline}
.more{font-weight:600}
/* form */
.formsec{background:var(--ink);color:#d3e3ed}
.formsec h2{color:#fff}
.form-intro p{font-size:1.08rem}
.form-box{background:#fff;color:var(--text);padding:28px;border-radius:4px 28px 4px 28px}
.radek{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fld{margin-bottom:14px}
.fld label{display:block;font-weight:600;font-size:.93rem;margin-bottom:4px;color:var(--ink)}
.fld small{display:block;color:var(--muted);font-size:.84rem;margin-top:3px}
input[type=text],input[type=tel],input[type=email],select,textarea{width:100%;min-height:48px;padding:10px 12px;border:1.5px solid #8fb0c3;border-radius:8px;font:400 1rem var(--f-body);color:var(--text);background:#fff}
textarea{min-height:90px;resize:vertical}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}
.chk{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--muted);margin:6px 0 16px}
.chk input{width:22px;height:22px;flex:none;margin-top:2px}
.form-box .btn{width:100%}
.form-success{padding:18px;background:#e6f6ec;border-left:5px solid #2e9a57;color:#17462a;font-weight:500}
.form-error{padding:14px;background:#fdeaea;border-left:5px solid #c0392b;color:#6b1d14;margin-top:14px}
/* footer */
.foot{background:#0f2630;color:#b9cfdb;font-size:.95rem;padding:48px 0 24px}
.foot a{color:#fff}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.foot h2{font-size:1rem;color:#fff}
.foot ul{list-style:none;margin:0;padding:0}
.foot li a{display:inline-flex;min-height:36px;align-items:center}
.fbrand{font:600 1.1rem var(--f-head);color:#fff}
.fbottom{margin-top:28px;padding-top:18px;border-top:1px solid #29495a;font-size:.85rem}
.fbottom p{margin:0 0 6px}
@media (max-width:900px){
  .burger{display:flex}
  #menu{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:10px;padding:12px 16px 20px;margin:0}
  #menu.open{display:flex}
  #menu ul{flex-direction:column}
  .top{position:relative}
  .hero{padding:44px 0 52px}
  .hero-grid,.two,.art,.post,.fgrid{grid-template-columns:1fr}
  .hero-img{-webkit-mask-image:none;mask-image:none}
  .hero-img img{border-radius:0 0 0 60px}
  .path-notes{grid-template-columns:1fr 1fr}
  .city-grid,.alt-grid{grid-template-columns:1fr}
  .type-grid{grid-template-columns:1fr 1fr}
  .side{position:static}
  .sec{padding:52px 0}
  .art{gap:32px}
  .radek{grid-template-columns:1fr;gap:0}
  .brand span{font-size:.92rem;line-height:1.2}
}
@media (max-width:520px){.path-notes,.type-grid{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.hpl,.pulse{animation:none;display:none}html{scroll-behavior:auto}}
.hero-fibres{-webkit-mask-image:linear-gradient(90deg,transparent 40%,#000 70%);mask-image:linear-gradient(90deg,transparent 40%,#000 70%)}
@media (max-width:900px){.hero-fibres{-webkit-mask-image:none;mask-image:none;opacity:.35}}