:root{
  --ink:#0a1a2b;--ink-2:#22364b;--muted:#5b6d80;--line:#dfe6ec;
  --deep:#0b2540;--deep-2:#103457;--teal:#0d9aa3;--teal-2:#0b7f87;--aqua:#7fe0e8;--mist:#e9f7f8;
  --ember:#f2622e;--ember-2:#d84f1d;--amber:#ffb547;--blush:#fff1ea;
  --paper:#f7f5f1;--card:#fff;
  --r:18px;--r-sm:12px;--shadow:0 1px 2px rgba(10,26,43,.06),0 8px 28px rgba(10,26,43,.08);
  --wrap:1200px;
  --fh:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;
  --fb:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--fb);color:var(--ink);background:var(--paper);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
a{color:var(--teal-2);text-underline-offset:3px}
a:hover{color:var(--ember-2)}
h1,h2,h3,h4{font-family:var(--fh);line-height:1.12;letter-spacing:-.02em;margin:0 0 .5em;color:var(--ink)}
h1{font-size:clamp(2.2rem,4.6vw,3.9rem);font-weight:700}
h2{font-size:clamp(1.7rem,3vw,2.5rem);font-weight:700}
h3{font-size:1.25rem;font-weight:650}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:#000;color:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-2)}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px}
.lead{font-size:1.18rem;color:var(--ink-2);max-width:62ch}
.muted{color:var(--muted)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:999px;font-weight:650;text-decoration:none;border:2px solid transparent;transition:transform .15s,background .15s,box-shadow .15s;cursor:pointer;font-size:1rem;font-family:var(--fb);line-height:1.2}
.btn:hover{transform:translateY(-1px)}
.btn-cta{background:var(--ember);color:#fff;box-shadow:0 8px 22px rgba(242,98,46,.32)}
.btn-cta:hover{background:var(--ember-2);color:#fff}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.btn-line{border-color:var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff}
.btn svg{width:18px;height:18px}

/* header */
.topbar{background:var(--deep);color:#cfe3ef;font-size:.85rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:7px;padding-bottom:7px}
.topbar a{color:#fff;text-decoration:none}
.topbar span{display:inline-flex;gap:6px;align-items:center}
header.site{position:sticky;top:0;z-index:50;background:rgba(247,245,241,.92);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.logo svg{width:40px;height:40px;flex:none}
.logo b{font-family:var(--fh);font-size:1.22rem;letter-spacing:-.02em;display:block;line-height:1}
.logo small{display:block;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:3px}
nav.main ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center}
nav.main a,nav.main button.dd{display:block;padding:10px 12px;border-radius:10px;color:var(--ink);text-decoration:none;font-weight:550;font-size:.95rem;background:none;border:0;font-family:var(--fb);cursor:pointer}
nav.main a:hover,nav.main button.dd:hover{background:#ebe7e0}
nav.main li{position:relative}
nav.main .menu{position:absolute;top:100%;left:0;min-width:300px;background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:10px;display:none;border:1px solid var(--line)}
nav.main li:hover>.menu,nav.main li:focus-within>.menu{display:block}
nav.main .menu a{font-weight:500;font-size:.93rem}
nav.main .cta a{background:var(--ember);color:#fff;padding:10px 18px;border-radius:999px}
nav.main .cta a:hover{background:var(--ember-2)}
.navtoggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.navtoggle svg{width:28px;height:28px}
@media(max-width:1000px){
  .navtoggle{display:block}
  nav.main{position:fixed;inset:74px 0 0 0;background:var(--paper);overflow:auto;display:none;padding:12px 20px 40px}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;align-items:stretch}
  nav.main .menu{position:static;display:block;box-shadow:none;border:0;padding:0 0 0 12px;background:transparent}
  .topbar .hide-sm{display:none}
}

/* hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 600px at 85% -10%,#1a4f7a 0%,transparent 60%),linear-gradient(160deg,var(--deep) 0%,#081a2e 100%);color:#fff}
.hero h1,.hero h2{color:#fff}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-top:72px;padding-bottom:110px}
.hero .lead{color:#cbdbe8}
.hero .eyebrow{color:var(--aqua)}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}
.ticks{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px 22px;color:#d7e6f0;font-size:.95rem}
.ticks li{display:flex;gap:8px;align-items:center}
.ticks svg{width:18px;height:18px;color:var(--aqua);flex:none}
.waves{position:absolute;left:0;bottom:-1px;height:80px;width:200%;max-width:none}
.hero-art{position:relative}
.hero-art svg.main{width:100%;filter:drop-shadow(0 30px 60px rgba(0,0,0,.35))}
.chip{position:absolute;background:#fff;color:var(--ink);border-radius:14px;padding:10px 14px;box-shadow:0 18px 40px rgba(0,0,0,.25);font-size:.85rem;display:flex;gap:10px;align-items:center;animation:float 6s ease-in-out infinite}
.chip b{font-family:var(--fh);font-size:1.1rem;display:block;line-height:1}
.chip .dot{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex:none}
.chip .dot svg{width:20px;height:20px}
.chip.c1{top:26%;left:-6%}.chip.c2{bottom:14%;right:-2%;animation-delay:-2s}.chip.c3{bottom:-2%;left:8%;animation-delay:-4s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@media(prefers-reduced-motion:reduce){.chip,.wave-anim{animation:none!important}}
.wave-anim{animation:drift 14s linear infinite}
@keyframes drift{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr;padding-top:48px;padding-bottom:90px}.chip.c1{left:0}.chip.c2{right:0}}

/* page hero (inner) */
.phero{background:linear-gradient(160deg,var(--deep) 0%,#0a1f36 100%);color:#fff;position:relative;overflow:hidden}
.phero .wrap{padding-top:48px;padding-bottom:70px;position:relative;display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center}
.phero h1{color:#fff;font-size:clamp(2rem,4vw,3.2rem)}
.phero .lead{color:#cbdbe8}
.phero .eyebrow{color:var(--aqua)}
.phero .art svg{width:100%;max-height:300px}
.phero .bubbles{position:absolute;inset:0;opacity:.5;pointer-events:none}
@media(max-width:860px){.phero .wrap{grid-template-columns:1fr}.phero .art{display:none}}
.crumbs{font-size:.85rem;color:#a9c0d3;margin-bottom:18px}
.crumbs a{color:#d9e8f3;text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.crumbs span{opacity:.6;margin:0 6px}

/* sections */
section.s{padding:84px 0}
section.s.tight{padding:56px 0}
section.alt{background:#fff}
section.dark{background:var(--deep);color:#dbe8f2}
section.dark h2,section.dark h3{color:#fff}
.head{max-width:760px;margin-bottom:40px}
.head.center{margin-left:auto;margin-right:auto;text-align:center}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:960px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{background:var(--card);border-radius:var(--r);padding:26px;box-shadow:var(--shadow);border:1px solid rgba(10,26,43,.04);position:relative;transition:transform .2s,box-shadow .2s}
a.card{text-decoration:none;color:inherit;display:block}
a.card:hover{transform:translateY(-3px);box-shadow:0 2px 4px rgba(10,26,43,.06),0 18px 40px rgba(10,26,43,.12)}
.card h3{margin-bottom:.35em}
.card p{color:var(--muted);font-size:.96rem;margin:0}
.card .more{display:inline-flex;gap:6px;align-items:center;margin-top:14px;font-weight:650;color:var(--teal-2);font-size:.93rem}
.ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:var(--mist);color:var(--teal-2);margin-bottom:16px}
.ic svg{width:28px;height:28px}

.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:32px}}

.pillars{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:860px){.pillars{grid-template-columns:1fr}}
.pillar{border-radius:24px;padding:34px;color:#fff;position:relative;overflow:hidden;min-height:100%}
.pillar.water{background:linear-gradient(150deg,#0e3a5e,#0d7b86)}
.pillar h3{color:#fff;font-size:1.6rem}
.pillar p{color:rgba(255,255,255,.85)}
.pillar ul{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:8px}
.pillar li a{color:#fff;text-decoration:none;display:flex;justify-content:space-between;gap:10px;padding:11px 14px;background:rgba(255,255,255,.1);border-radius:12px;font-weight:550}
.pillar li a svg{flex:none}
.pillar li a:hover{background:rgba(255,255,255,.2)}
.pillar .deco{position:absolute;right:-30px;top:-30px;width:200px;opacity:.12}

.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}
.step{background:#fff;border-radius:var(--r);padding:26px;box-shadow:var(--shadow)}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--fh);font-weight:700;font-size:2.2rem;color:var(--teal);opacity:.35;display:block;line-height:1;margin-bottom:12px}

.standards{display:flex;flex-wrap:wrap;gap:10px}
.standards span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-weight:600;font-size:.88rem;color:var(--ink-2)}
section.dark .standards span{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);color:#e7f1f7}

.checklist{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.checklist li{display:flex;gap:12px;align-items:flex-start}
.checklist li::before{content:"";flex:none;width:22px;height:22px;margin-top:2px;border-radius:7px;background:var(--mist) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230b7f87' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/14px no-repeat}

/* content */
.content{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:start}
@media(max-width:980px){.content{grid-template-columns:1fr}}
.prose h2{font-size:1.75rem;margin-top:1.6em}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:1.4em}
.prose ul,.prose ol{padding-left:1.2em}
.prose li{margin:.35em 0}
.prose .table-wrap{overflow-x:auto;margin:1em 0 1.4em;border-radius:14px;border:1px solid var(--line);background:#fff}
.prose table{border-collapse:collapse;width:100%;font-size:.95rem}
.prose th,.prose td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.prose th{background:var(--mist);font-weight:650}
.prose tr:last-child td{border-bottom:0}
.callout{background:var(--mist);border-left:4px solid var(--teal);border-radius:12px;padding:18px 20px;margin:1.4em 0}
.callout p:last-child{margin:0}
aside.side{position:sticky;top:96px;display:grid;gap:18px}
.side .card h3{font-size:1.1rem}
.side ul{list-style:none;padding:0;margin:0;display:grid;gap:4px}
.side li a{display:block;padding:8px 10px;border-radius:10px;text-decoration:none;color:var(--ink-2);font-size:.95rem}
.side li a:hover{background:var(--mist);color:var(--teal-2)}
.quotebox{background:linear-gradient(160deg,var(--deep),#0d4a63);color:#fff;border-radius:var(--r);padding:26px}
.quotebox h3{color:#fff}
.quotebox p{color:#cbdbe8;font-size:.95rem}

/* faq */
.faq details{background:#fff;border-radius:14px;margin-bottom:10px;box-shadow:var(--shadow);overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:18px 54px 18px 22px;font-weight:650;position:relative;font-family:var(--fh);font-size:1.08rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--teal);font-weight:400}
.faq details[open] summary::after{content:"\2013"}
.faq details>div{padding:0 22px 18px;color:var(--ink-2)}

/* map */
.mapbox{position:relative}
.mapbox svg{width:100%;height:auto;display:block}
.ukmap{--map-gb:#163e63;--map-gb-s:#2b6a95;--map-ie:#123251;--map-ie-s:#1d4a70}

.ukmap .pin{fill:var(--aqua)}
.ukmap .pin.big{fill:var(--ember)}
.ukmap .pulse{fill:var(--ember);opacity:.35;transform-box:fill-box;transform-origin:center;animation:pulse 2.4s ease-out infinite}
@keyframes pulse{0%{transform:scale(.6);opacity:.6}100%{transform:scale(2.6);opacity:0}}
.maplight{--map-gb:#dbe9f1;--map-gb-s:#b5cfdf;--map-ie:#ecf2f6;--map-ie-s:#d5e2ea}

.maplight .pin{fill:var(--teal)}

.arealist{columns:4 200px;column-gap:28px}
.arealist a{display:block;padding:5px 0;text-decoration:none;color:var(--ink-2);break-inside:avoid}
.arealist a:hover{color:var(--teal-2)}
.region-block{margin-bottom:36px}
.region-block h2{font-size:1.4rem;border-bottom:1px solid var(--line);padding-bottom:10px}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;text-decoration:none;color:var(--ink-2);font-size:.9rem}
.tags a:hover{border-color:var(--teal);color:var(--teal-2)}
.stat{display:flex;gap:14px;align-items:center;background:#fff;border-radius:14px;padding:16px 18px;box-shadow:var(--shadow)}
.stat .ic{margin:0;width:46px;height:46px}
.stat b{display:block;font-family:var(--fh);font-size:1.05rem}
.stat span{font-size:.88rem;color:var(--muted)}

/* forms */
form.enq{display:grid;gap:14px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){.f2{grid-template-columns:1fr}}
label{font-weight:600;font-size:.9rem;display:block;margin-bottom:6px}
input,select,textarea{width:100%;padding:13px 14px;border-radius:12px;border:1.5px solid #cdd8e1;font:inherit;font-size:1rem;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 4px rgba(13,154,163,.15)}
textarea{min-height:120px;resize:vertical}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:8px}
@media(max-width:560px){.checks{grid-template-columns:1fr}}
.checks label{font-weight:500;display:flex;gap:10px;align-items:center;background:#fff;border:1.5px solid #cdd8e1;border-radius:12px;padding:10px 12px;margin:0;cursor:pointer}
.checks input{width:auto}
.consent{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:.88rem;color:var(--muted)}
.consent input{width:auto;margin-top:4px}
.hp{position:absolute;left:-9999px}
.formmsg{padding:14px 16px;border-radius:12px;display:none}
.formmsg.ok{display:block;background:#e5f6ef;color:#14532d}
.formmsg.err{display:block;background:#fdecea;color:#7f1d1d}
.formcard{background:#fff;border-radius:22px;padding:32px;box-shadow:var(--shadow)}

/* CTA band */
.cta-band{background:linear-gradient(120deg,#0b2540 0%,#0d5e6e 60%,#c4461a 140%);color:#fff;border-radius:28px;padding:48px;display:grid;grid-template-columns:1.4fr .6fr;gap:30px;align-items:center;position:relative;overflow:hidden}
.cta-band h2{color:#fff}
.cta-band p{color:#d4e4ee;margin:0}
@media(max-width:800px){.cta-band{grid-template-columns:1fr;padding:32px}}

/* tools */
.tool{background:#fff;border-radius:22px;box-shadow:var(--shadow);padding:30px}
.q{border-bottom:1px solid var(--line);padding:18px 0}
.q:last-of-type{border:0}
.q p{font-weight:600;margin-bottom:10px}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opts label{margin:0;font-weight:500;border:1.5px solid #cdd8e1;border-radius:999px;padding:8px 16px;cursor:pointer;display:inline-flex;gap:8px;align-items:center}
.opts input{width:auto}
.opts label:has(input:checked){border-color:var(--teal);background:var(--mist);color:var(--teal-2)}
.result{display:none;margin-top:22px;border-radius:18px;padding:24px}
.result.show{display:block}
.result.low{background:#e5f6ef}.result.med{background:#fff6e1}.result.high{background:#fdecea}
.meter{height:12px;border-radius:999px;background:linear-gradient(90deg,#22c55e,#facc15,#ef4444);position:relative;margin:14px 0 6px}
.meter i{position:absolute;top:-6px;width:4px;height:24px;background:var(--ink);border-radius:2px;transition:left .4s}
.cal table{width:100%;border-collapse:collapse;font-size:.95rem}
.cal th,.cal td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
.cal th{background:var(--mist)}
.cal td.f{font-weight:650;white-space:nowrap}
@media print{header.site,.topbar,footer,.noprint,.cta-band{display:none!important}body{background:#fff}}

/* guide cards */
.gcard .tag{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-2);background:var(--mist);padding:4px 10px;border-radius:999px;margin-bottom:12px}
.gcard .meta{font-size:.85rem;color:var(--muted);margin-top:12px}
.gcard .thumb{height:120px;border-radius:12px;margin:-6px -6px 16px;overflow:hidden}
.gcard .thumb svg{width:100%;height:100%;display:block}

/* footer */
footer.site{background:#081a2e;color:#a9bdcf;padding:64px 0 28px;font-size:.93rem;margin-top:0}
footer.site h4{color:#fff;font-size:1rem;margin-bottom:14px;font-family:var(--fh)}
footer.site a{color:#cfe0ec;text-decoration:none}
footer.site a:hover{color:#fff}
footer.site ul{list-style:none;padding:0;margin:0;display:grid;gap:7px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:32px}
@media(max-width:960px){.fgrid{grid-template-columns:1fr 1fr}}
.legal{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;font-size:.82rem;color:#8ea5b9;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
footer .logo{color:#fff}
footer .logo small{color:#8ea5b9}
.social{display:flex;gap:10px;margin-top:16px}
.social a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);display:grid;place-items:center}
.social svg{width:18px;height:18px;fill:#cfe0ec}
.mt0{margin-top:0}.mb0{margin-bottom:0}.center{text-align:center}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

form.enq button[type=submit]{justify-self:start}
.pillar.control{background:linear-gradient(150deg,#0b2540,#1d5b8f)}
.sheet{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:var(--shadow)}
.sheet-head{display:flex;justify-content:space-between;align-items:center;border-bottom:2px solid var(--ink);padding-bottom:10px;margin-bottom:16px}
.sheet-head b{font-family:var(--fh);font-size:1.3rem;display:block}
.sheet-head small{color:var(--muted);font-size:.8rem}
.sheet-fields{display:grid;grid-template-columns:repeat(6,1fr);gap:12px 16px;margin-bottom:16px}
@media(max-width:700px){.sheet-fields{grid-template-columns:1fr 1fr}.sheet-fields>div{grid-column:span 2!important}}
.sheet .lbl{display:block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.sheet .line{display:block;border-bottom:1px solid #9aa9b6;height:26px}
.sheet table{border-collapse:collapse;width:100%;font-size:.88rem;min-width:640px}
.sheet th,.sheet td{border:1px solid #9aa9b6;padding:8px;text-align:left;vertical-align:top}
.sheet th{background:var(--mist);font-size:.8rem}
.sheet td{height:34px}
.sheet td.box{width:60px}
.sheet .table-wrap{overflow-x:auto}
.sheet-foot{display:grid;grid-template-columns:3fr 1fr;gap:16px;margin-top:16px}
.sheet-note{font-size:.8rem;color:var(--muted);margin:14px 0 0}
@media print{.phero,aside.side,.skip{display:none!important}.sheet{box-shadow:none;border:0;padding:0}.sheet table{min-width:0}section.s{padding:0}}