/* Layout: left-aligned 1180px column; full-bleed bands; the dialling code is the hero type. */
:root{
  --bg:#F4F6F7; --surface:#FFFFFF; --ink:#14232D; --muted:#51626D; --line:#D3DCE1;
  --signal:#B86B00; --spark:#F2A900; --link:#0A6670; --band:#10252F; --band-ink:#E9F0F3; --band-muted:#A9BCC6;
  --ok:#1E7B4E; --err:#B3261E;
  --display:"Schibsted Grotesk", "Helvetica Neue", Arial, sans-serif;
  --body:"Instrument Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --r:10px; --wrap:1180px;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#0C161C; --surface:#13212A; --ink:#E6EEF2; --muted:#9DB0BA; --line:#25363F;
  --signal:#F5B83D; --spark:#F5B83D; --link:#6CC9CF; --band:#142731; --band-ink:#E6EEF2; --band-muted:#93A8B3;
  --ok:#5CC48E; --err:#FF8A80; color-scheme:dark } }
:root[data-theme="dark"]{
  --bg:#0C161C; --surface:#13212A; --ink:#E6EEF2; --muted:#9DB0BA; --line:#25363F;
  --signal:#F5B83D; --spark:#F5B83D; --link:#6CC9CF; --band:#142731; --band-ink:#E6EEF2; --band-muted:#93A8B3;
  --ok:#5CC48E; --err:#FF8A80; color-scheme:dark }
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 var(--body);font-feature-settings:"ss01"}
img,svg{max-width:100%}
a{color:var(--link);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--spark);outline-offset:3px;border-radius:4px}
h1,h2,h3,h4{font-family:var(--display);line-height:1.08;letter-spacing:-.015em;text-wrap:balance;margin:0}
h1{font-size:clamp(2.2rem,5.2vw,3.9rem);font-weight:800}
h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:750}
h3{font-size:1.2rem;font-weight:700;letter-spacing:-.005em}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.prose{max-width:68ch}
.prose p+p,.prose p+ul,.prose ul+p,.prose p+.tbl,.prose .tbl+p{margin-top:1em}
.lead{font-size:1.2rem;color:var(--muted);max-width:60ch}
.muted{color:var(--muted)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--bg);padding:8px 12px;z-index:50}
.skip:focus{left:12px}

/* header */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--surface)}
.site-head{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
.head-row{display:flex;align-items:center;gap:24px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font:800 1.18rem/1 var(--display);letter-spacing:-.02em;white-space:nowrap}
.brand svg{width:34px;height:34px;flex:none}
.brand small{display:block;font:500 .72rem/1 var(--body);letter-spacing:.02em;color:var(--muted);margin-top:3px}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a,.nav summary{color:var(--ink);text-decoration:none;font-weight:550;font-size:.97rem;padding:10px 12px;border-radius:8px;cursor:pointer;list-style:none}
.nav summary::-webkit-details-marker{display:none}
.nav a:hover,.nav summary:hover{background:var(--bg)}
.nav .cta{background:var(--ink);color:var(--bg);margin-left:8px}
.nav .cta:hover{background:var(--ink);opacity:.9}
.mega{position:relative}
.mega-panel{position:absolute;right:-180px;top:calc(100% + 10px);width:min(880px,92vw);background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px 28px;box-shadow:0 18px 50px rgba(8,20,28,.18)}
.mega-panel h4{font-size:.82rem;color:var(--muted);font-family:var(--body);font-weight:600;letter-spacing:.02em;margin-bottom:6px}
.mega-panel a{display:block;padding:5px 0;font-weight:500;border-radius:0}
.mega-panel a:hover{background:none;color:var(--link)}
.menu-btn{display:none;margin-left:auto}
.phone-link{font-weight:600;color:var(--ink);text-decoration:none;white-space:nowrap;font-variant-numeric:tabular-nums}
@media (max-width:980px){
  .nav{display:none}
  .menu-btn{display:block}
  .menu-btn summary{list-style:none;cursor:pointer;padding:10px 14px;border:1px solid var(--line);border-radius:8px;font-weight:600}
  .menu-btn summary::-webkit-details-marker{display:none}
  .menu-btn[open] .mobile-nav{display:block}
  .mobile-nav{position:absolute;left:0;right:0;top:100%;background:var(--surface);border-bottom:1px solid var(--line);padding:12px max(20px,env(safe-area-inset-right,0px)) 20px max(20px,env(safe-area-inset-left,0px));max-height:80vh;overflow:auto}
  .mobile-nav a{display:block;padding:11px 0;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;font-weight:550}
  .phone-link{display:none}
}
@media (min-width:981px){.mobile-nav{display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 1rem/1 var(--body);padding:15px 22px;border-radius:999px;text-decoration:none;border:1.5px solid var(--ink);cursor:pointer;transition:transform .15s ease}
.btn-primary{background:var(--ink);color:var(--bg)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn:active{transform:translateY(1px)}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.band .btn-primary{background:var(--spark);border-color:var(--spark);color:#10202A}
.band .btn-ghost{color:var(--band-ink);border-color:var(--band-muted)}

/* sections */
section{padding-block:72px}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;margin-bottom:34px}
.sec-head p{max-width:56ch;color:var(--muted);margin-top:10px}
.band{background:var(--band);color:var(--band-ink)}
.band .muted,.band .lead,.band .sec-head p{color:var(--band-muted)}
.band a{color:var(--spark)}
.tight{padding-block:44px}
.crumbs{font-size:.9rem;color:var(--muted);padding-top:22px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
.crumbs li+li::before{content:"/";margin-right:6px;color:var(--line)}
.crumbs a{color:var(--muted)}

/* hero */
.hero{padding-block:44px 64px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:center}
.hero .lead{margin-top:20px}
.hero-points{display:flex;flex-wrap:wrap;gap:8px 22px;margin:26px 0 0;padding:0;list-style:none;color:var(--muted);font-size:.95rem}
.hero-points li{display:flex;gap:8px;align-items:center}
.hero-points svg{width:18px;height:18px;color:var(--ok)}
.home-hero .hero-grid{grid-template-columns:minmax(0,.95fr) minmax(0,1.1fr)}
.home-hero h1{font-size:clamp(2.2rem,4.4vw,3.4rem)}
@media (max-width:900px){.hero-grid,.home-hero .hero-grid{grid-template-columns:minmax(0,1fr)}}

/* call-flow diagram */
.flow{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px}
.flow svg{display:block;width:100%;height:auto}
.flow .wire{fill:none;stroke:var(--line);stroke-width:2}
.flow .live{fill:none;stroke:var(--spark);stroke-width:2.5;stroke-dasharray:420;stroke-dashoffset:420;animation:draw 1.4s ease forwards}
.flow .live.d2{animation-delay:.5s}.flow .live.d3{animation-delay:.9s}.flow .live.d4{animation-delay:1.3s}
.flow .node{fill:var(--bg);stroke:var(--line)}
.flow .hub{fill:var(--ink)}
.flow text{font-family:var(--body);fill:var(--ink);font-size:14px}
.flow .t-strong{font-weight:700;font-family:var(--display);font-size:16.5px}
.flow .t-small{fill:var(--muted);font-size:12.5px}
.flow .t-hub{fill:var(--bg);font-weight:700;font-family:var(--display);font-size:14px}
.flow .num{font-family:var(--display);font-weight:800;font-size:19px;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.flow .pulse{fill:var(--spark)}
.flow-cap{font-size:.85rem;color:var(--muted);margin-top:10px}
@keyframes draw{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion:reduce){.flow .live{animation:none;stroke-dashoffset:0}.flow .pulse{display:none}}

/* code hero (locations) */
.code-hero{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:40px;align-items:center}
.dial{font:800 clamp(5rem,15vw,11rem)/.85 var(--display);letter-spacing:-.05em;color:var(--signal);font-variant-numeric:tabular-nums;margin-bottom:18px;white-space:nowrap}
.dial span{color:var(--line)}
.code-hero .mini-map{max-width:300px;justify-self:end;width:100%}
@media (max-width:820px){.code-hero{grid-template-columns:minmax(0,1fr)}.code-hero .mini-map{justify-self:start;max-width:220px}}

/* maps */
.ukmap .land{fill:var(--surface);stroke:var(--muted);stroke-width:.6;stroke-linejoin:round}
.ukmap .land.other{fill:var(--bg);stroke:var(--line)}
.ukmap .dot{fill:var(--muted)}
.ukmap .dot.hl{fill:var(--signal)}
.ukmap a:hover .dot,.ukmap a:focus .dot{fill:var(--signal)}
.ukmap .ring{fill:none;stroke:var(--signal);stroke-width:1.5}
.band .ukmap .land{fill:#17323F;stroke:#3E5B69}
.band .ukmap .land.other{fill:#0F242E;stroke:#24404C}
.band .ukmap .dot{fill:#7FA2B1}
.band .ukmap .dot.hl,.band .ukmap a:hover .dot{fill:var(--spark)}

/* service directory */
.svc-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:34px 40px}
.svc-stack{display:grid;gap:34px;align-content:start}
.svc-col h3{display:flex;gap:10px;align-items:center;padding-bottom:12px;border-bottom:2px solid var(--ink);margin-bottom:6px}
.svc-col p.cat-sum{color:var(--muted);font-size:.95rem;margin:10px 0 8px}
.svc-list{list-style:none;margin:0;padding:0}
.svc-list li{border-bottom:1px solid var(--line)}
.svc-list a{display:grid;grid-template-columns:1fr auto;gap:2px 12px;padding:13px 0;color:var(--ink);text-decoration:none}
.svc-list a b{font-weight:650}
.svc-list a span{grid-column:1;color:var(--muted);font-size:.92rem;line-height:1.4}
.svc-list a i{grid-row:1/span 2;grid-column:2;align-self:center;font-style:normal;color:var(--muted);transition:transform .15s}
.svc-list a:hover b{color:var(--link)}
.svc-list a:hover i{transform:translateX(3px);color:var(--link)}
.band .svc-col h3{border-color:var(--band-ink)}
.ico{width:24px;height:24px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* feature grid */
.feat{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.feat>div{padding:24px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
@media (max-width:900px){.feat{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:560px){.feat{grid-template-columns:1fr}}
.feat h3{font-size:1.08rem;margin-bottom:8px}
.feat p{color:var(--muted);font-size:.97rem}

/* steps (real sequence) */
.steps{counter-reset:s;list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px}
.steps li{counter-increment:s;position:relative;padding-top:54px;display:grid;gap:6px;align-content:start}
.steps li::before{content:counter(s);position:absolute;top:0;left:0;width:40px;height:40px;border-radius:50%;border:2px solid var(--spark);display:grid;place-items:center;font:800 1.05rem/1 var(--display);color:var(--ink)}
.steps li::after{content:"";position:absolute;top:20px;left:48px;right:-16px;height:2px;background:var(--line)}
.steps li:last-child::after{display:none}
.band .steps li::before{color:var(--band-ink)}
.band .steps li::after{background:#2A4552}
@media (max-width:700px){.steps li::after{display:none}}

/* split */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start}
@media (max-width:860px){.split{grid-template-columns:minmax(0,1fr);gap:32px}}
.ticks{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:10px}
.ticks li{display:flex;gap:10px;align-items:flex-start}
.ticks svg{width:20px;height:20px;flex:none;margin-top:3px;color:var(--ok)}
.band .ticks svg{color:var(--spark)}

/* number tiles */
.numbers{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}
.numbers a{display:block;padding:20px 18px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);text-decoration:none;color:var(--ink)}
.numbers a:hover{border-color:var(--ink)}
.numbers .n{font:800 2rem/1 var(--display);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.numbers .l{display:block;margin-top:10px;color:var(--muted);font-size:.92rem;line-height:1.35}

/* faq */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;font:650 1.08rem/1.35 var(--body);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:16px;font:400 1.6rem/1 var(--body);color:var(--muted)}
.faq details[open] summary::after{content:"\2212"}
.faq details>div{padding:0 0 22px;color:var(--muted);max-width:70ch}

/* tables */
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:.96rem}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:650;background:var(--bg)}
tr:last-child td{border-bottom:0}
td.code,.tabnum{font-variant-numeric:tabular-nums;font-weight:650;white-space:nowrap}

/* link lists */
.linkgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:4px 24px;list-style:none;padding:0;margin:0}
.linkgrid a{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.linkgrid a small{color:var(--muted);font-variant-numeric:tabular-nums}
.linkgrid a:hover{color:var(--link)}
.band .linkgrid a{color:var(--band-ink);border-color:#2A4552}
.band .linkgrid a small{color:var(--band-muted)}
.region-block{margin-top:40px}
.region-block h3{margin-bottom:10px}

/* guide cards */
.guides{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.guide-card{display:flex;flex-direction:column;gap:10px;padding:24px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line);text-decoration:none;color:var(--ink)}
.guide-card:hover{border-color:var(--ink)}
.guide-card .tag{font-size:.82rem;font-weight:600;color:var(--signal)}
.guide-card h3{font-size:1.15rem}
.guide-card p{color:var(--muted);font-size:.95rem}

/* pricing */
.prices{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.price{padding:26px;border:1px solid var(--line);border-radius:14px;background:var(--surface);display:flex;flex-direction:column;gap:12px}
.price .amt{font:800 2.6rem/1 var(--display);letter-spacing:-.03em}
.price .amt small{font:500 .95rem/1.3 var(--body);color:var(--muted);letter-spacing:0;margin-left:6px}
.price .from{font-size:.85rem;color:var(--muted)}
.price ul{margin:0;padding-left:18px;color:var(--muted);font-size:.95rem}
.price a{margin-top:auto}
.note{font-size:.9rem;color:var(--muted)}

/* form */
.quote{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:28px}
.band .quote{color:var(--ink)}
.band .quote a{color:var(--link)}
.quote h3{margin-bottom:6px}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}
.fgrid .full{grid-column:1/-1}
@media (max-width:560px){.fgrid{grid-template-columns:1fr}}
label{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px}
input,select,textarea{width:100%;font:inherit;font-size:1rem;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink)}
input:focus,select:focus,textarea:focus{border-color:var(--ink);outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--spark) 45%,transparent)}
textarea{min-height:110px;resize:vertical}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{display:inline-flex;align-items:center;gap:8px;font-weight:500;border:1.5px solid var(--line);border-radius:999px;padding:8px 14px;margin:0;cursor:pointer;background:var(--bg)}
.chips input{width:auto;margin:0;accent-color:var(--ink)}
.chips label:has(input:checked){border-color:var(--ink);background:var(--surface)}
.hp{position:absolute;left:-5000px;width:1px;height:1px;overflow:hidden}
.form-msg{margin-top:14px;font-weight:600}
.form-msg.ok{color:var(--ok)} .form-msg.err{color:var(--err)}
.legal-small{font-size:.82rem;color:var(--muted);margin-top:12px}

/* tools */
.tool{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px}
.tool-out{margin-top:18px;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.tool-out div{background:var(--bg);border-radius:10px;padding:14px}
.tool-out b{display:block;font:800 1.6rem/1.1 var(--display);font-variant-numeric:tabular-nums}
.tool-out span{font-size:.85rem;color:var(--muted)}
.finder-results{margin-top:16px}
.finder-results:empty::before{content:"Type a town or an area code to search.";color:var(--muted)}

/* countdown */
.countdown{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.countdown b{font:800 clamp(3.4rem,8vw,5.6rem)/1 var(--display);color:var(--spark);letter-spacing:-.04em;font-variant-numeric:tabular-nums}

/* article */
.article{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
.article h2{font-size:1.6rem;margin:44px 0 14px}
.article ul{padding-left:20px}
.article li+li{margin-top:6px}
.article aside{position:sticky;top:96px;display:grid;gap:16px}
.aside-box{border:1px solid var(--line);border-radius:14px;padding:20px;background:var(--surface)}
.aside-box h4{font-size:1rem;margin-bottom:10px}
.aside-box ul{list-style:none;padding:0;margin:0}
.aside-box li{padding:6px 0;border-bottom:1px solid var(--line);font-size:.95rem}
@media (max-width:920px){.article{grid-template-columns:minmax(0,1fr)}.article aside{position:static}}
.meta-line{color:var(--muted);font-size:.92rem;margin-top:16px}


.popular{margin-top:40px;padding-top:22px;border-top:1px solid #24404C}
.popular h4{margin-bottom:10px}
.popular p{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:.9rem}
.term{padding:14px 0;border-bottom:1px solid var(--line)}
.term h3{font-size:1.08rem;margin-bottom:4px}
.glossary-nav{display:flex;flex-wrap:wrap;gap:6px}
.glossary-nav a{display:inline-grid;place-items:center;width:36px;height:36px;border:1px solid var(--line);border-radius:8px;text-decoration:none;font-weight:650;color:var(--ink)}
.nc .verdict{margin-top:18px;padding:18px;border-radius:12px;background:var(--bg)}
.nc .verdict b{display:block;font:800 1.5rem/1.2 var(--display);margin-bottom:6px}
.nc:empty::before{content:"Type a UK number to check it.";color:var(--muted)}

/* footer */
.site-foot{background:var(--band);color:var(--band-muted);padding-block:60px 40px;font-size:.95rem}
.foot-grid{display:grid;grid-template-columns:1.3fr repeat(4,1fr);gap:32px}
.site-foot h4{color:var(--band-ink);font-family:var(--body);font-size:.95rem;margin-bottom:12px}
.site-foot ul{list-style:none;margin:0;padding:0;display:grid;gap:7px}
.site-foot a{color:var(--band-muted);text-decoration:none}
.site-foot a:hover{color:var(--band-ink);text-decoration:underline}
.site-foot .brand{color:var(--band-ink)}
.site-foot .brand small{color:var(--band-muted)}
.legal{border-top:1px solid #24404C;margin-top:44px;padding-top:22px;font-size:.85rem;line-height:1.55}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}
.copy-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.copy-btn{font:600 .8rem/1 var(--body);padding:6px 10px;border-radius:999px;border:1px solid currentColor;background:transparent;color:inherit;cursor:pointer}
.sticky-cta{display:none}
@media (max-width:700px){
  .sticky-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:25;gap:10px;padding:10px max(14px,env(safe-area-inset-right,0px)) calc(10px + env(safe-area-inset-bottom,0px)) max(14px,env(safe-area-inset-left,0px));background:var(--surface);border-top:1px solid var(--line)}
  .sticky-cta a{flex:1;padding:13px 10px;font-size:.95rem}
  .site-foot{padding-bottom:110px}
}