:root{
  --navy:#214f74;
  --navy-deep:#163a57;
  --ink:#13293b;
  --aqua:#3fb6d3;
  --aqua-soft:#e6f5f9;
  --sand:#f7f4ee;
  --line:#dbe5ec;
  --muted:#5b6f7f;
  --serif:"Cormorant Garamond",Georgia,serif;
  --sans:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font-family:var(--sans);color:var(--ink);line-height:1.6;font-size:16px;background:#fff;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--navy)}
h1,h2,h3{margin:0 0 .5em;line-height:1.15}
h1,h2{font-family:var(--serif);font-weight:600;letter-spacing:-.01em}
h2{font-size:clamp(2rem,3.6vw,2.9rem);color:var(--navy-deep)}
h3{font-size:1.05rem;font-weight:700}
p{margin:0 0 1em}
.wrap{width:min(1180px,100% - 40px);margin-inline:auto}
.section{padding:clamp(64px,9vw,112px) 0}
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--aqua);margin-bottom:.9em}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:99;background:#fff;padding:8px 12px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;background:var(--aqua);color:#06263a;font-weight:700;text-decoration:none;padding:.9em 1.5em;border-radius:999px;border:2px solid var(--aqua);font:inherit;font-weight:700;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px);background:#5cc6df}
.btn-small{padding:.55em 1.1em;font-size:.9rem}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-ghost-dark{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn-ghost-dark:hover{background:var(--aqua-soft)}
:focus-visible{outline:3px solid var(--aqua);outline-offset:3px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy)}
.brand img{height:40px;width:auto}
.brand-text{font-family:var(--serif);font-size:1.45rem;font-weight:600}
.brand-text em{font-style:italic;color:var(--aqua)}
.nav{display:flex;align-items:center;gap:26px}
.nav a{text-decoration:none;font-weight:600;font-size:.93rem;color:var(--ink)}
.nav a:not(.btn):hover{color:var(--aqua)}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;position:relative}
.nav-toggle span:not(.sr){display:block;width:22px;height:2px;background:var(--navy);margin:5px auto;transition:.2s}

/* hero */
.hero{position:relative;overflow:hidden;color:#fff;background:linear-gradient(160deg,var(--navy-deep) 0%,var(--navy) 55%,#2c7297 100%);padding:clamp(56px,8vw,104px) 0 0}
.caustics{position:absolute;inset:-20%;width:140%;height:140%;opacity:.13;mix-blend-mode:screen;animation:drift 38s ease-in-out infinite alternate;pointer-events:none}
@keyframes drift{to{transform:translate(6%,4%) rotate(2deg) scale(1.05)}}
.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.6rem,5.4vw,4.4rem);font-weight:500;margin-bottom:.4em}
.hero h1 em{color:#9be3f2}
.lede{font-size:1.12rem;color:#d5e6f1;max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-visual{display:grid;grid-template-columns:repeat(6,1fr);grid-template-rows:repeat(6,58px);gap:12px}
.tile{margin:0;border-radius:var(--r);overflow:hidden;box-shadow:0 20px 40px -20px rgba(0,0,0,.5)}
.tile img{width:100%;height:100%;object-fit:cover}
.t1{grid-column:1/5;grid-row:1/4}
.t2{grid-column:5/7;grid-row:2/5}
.t3{grid-column:2/5;grid-row:4/7}
.t4{grid-column:5/7;grid-row:5/7}
.stats{position:relative;display:grid;grid-template-columns:repeat(4,1fr);margin-top:clamp(48px,7vw,80px);border-top:1px solid rgba(255,255,255,.18)}
.stats div{padding:26px 0 30px;display:flex;flex-direction:column}
.stats div+div{padding-left:24px;border-left:1px solid rgba(255,255,255,.18)}
.stats strong{font-family:var(--serif);font-size:2.4rem;font-weight:600;line-height:1}
.stats span{color:#b8d3e4;font-size:.9rem;margin-top:6px}

/* serve */
.serve{background:var(--sand);padding:22px 0}
.serve .wrap{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.serve p{margin:0;font-weight:700;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.serve ul{display:flex;flex-wrap:wrap;gap:10px 30px;list-style:none;margin:0;padding:0;font-family:var(--serif);font-size:1.25rem;color:var(--navy)}

/* about */
.about-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}
.about-copy{font-size:1.06rem;color:#2c4252}

/* section heads */
.section-head{max-width:720px;margin-bottom:48px}
.section-head p:last-child{color:var(--muted);font-size:1.05rem}
.section-head.light h2{color:#fff}
.section-head.light p:last-child{color:#c3d9e7}

/* pools */
.pools{background:var(--sand)}
.pool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pool-card{background:#fff;border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;box-shadow:0 1px 0 var(--line);transition:transform .2s,box-shadow .2s}
.pool-card:hover{transform:translateY(-3px);box-shadow:0 18px 40px -22px rgba(22,58,87,.45)}
.pool-card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.pool-card>div{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.pool-card h3{font-family:var(--serif);font-size:1.5rem;font-weight:600;color:var(--navy-deep);margin-bottom:.3em}
.pool-card p{color:var(--muted);font-size:.95rem}
.where{margin-top:auto;font-size:.8rem;font-weight:600;color:var(--navy);display:flex;align-items:center;gap:6px}
.where::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--aqua)}

/* process */
.process{background:var(--navy-deep);color:#fff}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:40px 28px;counter-reset:s}
.steps li{counter-increment:s;position:relative}
.steps img{border-radius:var(--r);aspect-ratio:4/3;object-fit:cover;width:100%;margin-bottom:18px}
.steps h3{font-size:1.1rem;display:flex;gap:10px;align-items:baseline}
.steps h3::before{content:"0" counter(s);font-family:var(--serif);color:var(--aqua);font-size:1.3rem}
.steps p{color:#bcd2e1;font-size:.95rem}

/* services */
.services-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start}
.services-intro{position:sticky;top:110px}
.services-intro>p{color:var(--muted)}
.segments{display:inline-flex;background:var(--aqua-soft);border-radius:999px;padding:4px;margin:8px 0 14px}
.seg{border:0;background:transparent;font:inherit;font-weight:600;font-size:.88rem;padding:.6em 1.1em;border-radius:999px;cursor:pointer;color:var(--navy)}
.seg.is-on{background:#fff;box-shadow:0 2px 8px -2px rgba(22,58,87,.25)}
.seg-note{font-size:.95rem;min-height:3em}
.service-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.service-list li{padding:20px 18px 18px 0;border-bottom:1px solid var(--line)}
.service-list li:nth-child(odd){padding-right:28px}
.service-list li:nth-child(even){padding-left:28px;border-left:1px solid var(--line)}
.service-list h3{margin-bottom:.2em;color:var(--navy-deep)}
.service-list p{margin:0;color:var(--muted);font-size:.92rem}

/* features */
.features{background:var(--aqua-soft)}
.mosaic{display:grid;grid-template-columns:1.3fr 1fr 1fr;grid-template-rows:220px 220px;gap:16px}
.mosaic img{width:100%;height:100%;object-fit:cover;border-radius:var(--r)}
.mosaic img:first-child{grid-row:1/3}
.mosaic img:nth-child(4){grid-column:2/4}

/* equipment */
.eq-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.eq-grid figure{margin:0;background:#000;border-radius:var(--r);overflow:hidden;position:relative}
.eq-grid img{aspect-ratio:3/2;object-fit:contain;width:100%;padding:10px}
.eq-grid figcaption{background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 var(--r) var(--r);padding:12px 16px;font-weight:600;font-size:.92rem}
.chem{margin-top:56px;display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center;background:var(--sand);border-radius:calc(var(--r)*1.5);overflow:hidden}
.chem img{width:100%;height:100%;object-fit:cover;min-height:320px}
.chem>div{padding:40px 40px 40px 0}
.chem h3{font-family:var(--serif);font-size:2rem;font-weight:600;color:var(--navy-deep)}
.ticks{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:8px}
.ticks li{padding-left:28px;position:relative}
.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:14px;height:8px;border-left:2px solid var(--aqua);border-bottom:2px solid var(--aqua);transform:rotate(-45deg)}

/* projects */
.projects{background:var(--sand)}
.proj-grid{display:grid;grid-template-columns:1fr 1fr .8fr;gap:40px}
.proj-grid h3{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--aqua);padding-bottom:12px;border-bottom:1px solid var(--line)}
.proj-grid ul{list-style:none;padding:0;margin:0}
.proj-grid li{padding:9px 0;border-bottom:1px solid var(--line);font-family:var(--serif);font-size:1.2rem;color:var(--navy-deep)}

/* contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.contact-list{display:grid;grid-template-columns:auto 1fr;gap:14px 24px;margin:32px 0 0}
.contact-list dt{font-size:.75rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding-top:3px}
.contact-list dd{margin:0}
.enquiry{display:grid;grid-template-columns:1fr 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:calc(var(--r)*1.5);padding:32px;box-shadow:0 30px 60px -40px rgba(22,58,87,.4)}
.enquiry label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;font-weight:600;color:var(--muted)}
.enquiry .full{grid-column:1/-1}
.enquiry input,.enquiry select,.enquiry textarea{font:inherit;font-size:1rem;color:var(--ink);padding:.75em .9em;border:1px solid #c8d6e0;border-radius:10px;background:#fbfdfe}
.enquiry input:focus,.enquiry select:focus,.enquiry textarea:focus{outline:none;border-color:var(--aqua);box-shadow:0 0 0 3px rgba(63,182,211,.2)}
.form-actions{display:flex;gap:12px;flex-wrap:wrap}

/* footer */
.site-footer{background:var(--navy-deep);color:#b8d3e4;padding:40px 0}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.footer-brand{display:flex;align-items:center;gap:16px}
.footer-brand img{height:56px;width:auto}
.footer-brand strong{display:block;font-family:var(--serif);font-size:1.5rem;color:#fff;font-weight:600}
.footer-brand span{font-size:.85rem}
.site-footer p{margin:0;font-size:.85rem}

.wa-float{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 24px -8px rgba(0,0,0,.4);z-index:60}

/* reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media (max-width:980px){
  .hero-grid,.about-grid,.services-grid,.contact-grid,.chem{grid-template-columns:1fr}
  .hero-visual{grid-template-rows:repeat(6,44px)}
  .pool-grid,.steps{grid-template-columns:1fr 1fr}
  .eq-grid{grid-template-columns:repeat(2,1fr)}
  .proj-grid{grid-template-columns:1fr}
  .services-intro{position:static}
  .chem>div{padding:0 32px 36px}
  .about-grid{gap:8px}
}
@media (max-width:860px){
  .nav-toggle{display:block}
  .nav{position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:8px 20px 20px;border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
  .nav a{padding:12px 0;width:100%}
  .nav .btn{margin-top:10px;width:auto}
}
@media (max-width:620px){
  .pool-grid,.steps,.service-list{grid-template-columns:1fr}
  .service-list li:nth-child(n){padding:18px 0;border-left:0}
  .stats{grid-template-columns:1fr 1fr}
  .stats div:nth-child(3){padding-left:0;border-left:0}
  .stats div:nth-child(n+3){border-top:1px solid rgba(255,255,255,.18)}
  .mosaic{grid-template-columns:1fr 1fr;grid-template-rows:180px 140px 140px}
  .mosaic img:first-child{grid-row:auto;grid-column:1/3}
  .mosaic img:nth-child(4){grid-column:auto}
  .enquiry{grid-template-columns:1fr;padding:22px}
  .brand-text{font-size:1.2rem}
  .segments{display:flex;flex-direction:column;border-radius:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}