/* Pure Forge Water Filtration — single stylesheet */
:root{
  --ink:#0B1630; --text:#283246; --muted:#586379; --line:#DCE3EE;
  --deep:#06225E; --teal:#00379A; --teal-2:#1F56C2; --mint:#E6EEFB; --mint-2:#C9D9F5;
  --sand:#F7F4EE; --sand-2:#EFE9DE; --gold:#3CC8E8; --gold-2:#1FA9CC; --white:#fff;
  --ff-h:'Bricolage Grotesque',system-ui,sans-serif; --ff-b:'Figtree',system-ui,-apple-system,'Segoe UI',sans-serif;
  --r:14px; --r-lg:26px; --shadow:0 18px 40px -22px rgba(6,34,94,.45);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:clip;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--ff-b);font-size:17px;line-height:1.65;color:var(--text);background:var(--sand)}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal)}
a:hover{color:var(--deep)}
h1,h2,h3,h4{font-family:var(--ff-h);color:var(--ink);line-height:1.12;letter-spacing:-.02em;margin:0 0 .55em;font-weight:700}
h1{font-size:clamp(2.2rem,4.6vw,3.7rem);font-weight:800}
h2{font-size:clamp(1.75rem,3.2vw,2.6rem)}
h3{font-size:1.28rem}
p{margin:0 0 1em}
.ic{width:1.1em;height:1.1em;flex:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:8px;background:var(--gold);color:var(--ink);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:12px}
:focus-visible{outline:3px solid var(--gold-2);outline-offset:3px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.55em;font-family:var(--ff-h);font-weight:700;font-size:1rem;padding:.85em 1.35em;border-radius:999px;text-decoration:none;border:2px solid transparent;transition:transform .18s,background .18s,box-shadow .18s;line-height:1.2;cursor:pointer}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--deep);color:#fff}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:#6AD6EE;color:var(--ink);box-shadow:0 10px 24px -12px rgba(60,200,232,.9)}
.btn-ghost{background:transparent;color:var(--teal);border-color:var(--mint-2)}
.btn-ghost:hover{border-color:var(--teal);color:var(--deep)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-outline-light:hover{border-color:#fff;color:#fff}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.eyebrow{font-family:var(--ff-h);font-weight:700;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-2);margin:0 0 .9em}
.lead{font-size:1.16rem;color:var(--muted);max-width:62ch}

/* top bar + header */
.topbar{background:var(--deep);color:#CBDAF2;font-size:.86rem}
.topbar-in{display:flex;justify-content:space-between;gap:16px;padding:7px 20px}
.topbar span,.topbar a{display:inline-flex;align-items:center;gap:6px;color:inherit;text-decoration:none}
.topbar a:hover{color:#fff}
.site-header{position:sticky;top:0;z-index:50;background:var(--sand);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:24px;min-height:74px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:none}
.logo img{height:50px;width:auto}
@media (max-width:640px){.logo img{height:40px}}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.main-nav a{display:block;white-space:nowrap;padding:8px 11px;border-radius:8px;text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem}
.main-nav a:hover,.main-nav a[aria-current]{background:var(--mint);color:var(--deep)}
.nav-cta{display:none}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.hdr-phone{display:inline-flex;align-items:center;gap:7px;font-family:var(--ff-h);font-weight:700;color:var(--deep);text-decoration:none;white-space:nowrap}
.hdr-cta{padding:.7em 1.15em;font-size:.93rem}
.nav-toggle{display:none;background:none;border:0;padding:8px;color:var(--ink);cursor:pointer}
.nav-toggle .ic{width:28px;height:28px}
@media (max-width:1120px){
  .main-nav{position:fixed;inset:0 0 0 auto;width:min(340px,86vw);background:var(--sand);padding:90px 22px 24px;transform:translateX(100%);visibility:hidden;transition:transform .28s,visibility 0s .28s;box-shadow:-20px 0 50px -20px rgba(0,0,0,.35);overflow-y:auto}
  .main-nav.open{transform:none;visibility:visible;transition:transform .28s}
  .main-nav ul{flex-direction:column}
  .main-nav a{font-size:1.08rem;padding:12px}
  .nav-cta{display:block;margin-top:18px}
  .nav-toggle{display:block;position:relative;z-index:60}
  .header-actions{margin-left:auto}
}
@media (max-width:640px){.hdr-cta,.hdr-phone span,.topbar .topbar-r{display:none}.header-in{gap:12px}}

/* sections */
section{padding:clamp(64px,8vw,104px) 0}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head.center{text-align:center;margin-inline:auto}
.sec-head.center .lead{margin-inline:auto}
.bg-white{background:#fff}
.bg-mint{background:var(--mint)}
.bg-deep{background:var(--deep);color:#D5E1F5}
.bg-deep h2,.bg-deep h3{color:#fff}
.bg-deep .eyebrow{color:var(--gold)}
.bg-deep .lead{color:#B3C6E6}
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(32px,6vw,72px);align-items:center}
.split.rev>:first-child{order:2}
@media (max-width:880px){.split{grid-template-columns:1fr}.split.rev>:first-child{order:0}}

/* home hero */
.hero{position:relative;background:radial-gradient(1200px 600px at 85% -10%,#0B4BC0 0%,transparent 60%),var(--deep);color:#D5E1F5;padding:clamp(56px,8vw,96px) 0 clamp(72px,9vw,120px);overflow:hidden}
.hero h1{color:#fff}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero .lead{color:#BACBEA}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero-points{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:10px}
.hero-points li{display:flex;gap:10px;align-items:flex-start}
.hero-points .ic{color:var(--gold);margin-top:.3em}
@media (max-width:920px){.hero-grid{grid-template-columns:1fr}}

/* the "forge stack" — a stylised cross-section of filtration stages */
.stack{position:relative;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);padding:26px;backdrop-filter:blur(4px)}
.stack-title{font-family:var(--ff-h);font-weight:700;color:#fff;margin:0 0 16px;display:flex;justify-content:space-between;align-items:center}
.stack-title small{font-family:var(--ff-b);font-weight:500;color:#9DB5DE;font-size:.82rem}
.stage{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:center;padding:14px;border-radius:12px;margin-bottom:10px;background:rgba(255,255,255,.06);border-left:4px solid var(--c,#9EC2F5);opacity:0;transform:translateY(12px);animation:stageIn .6s forwards;animation-delay:calc(var(--i)*.14s + .2s)}
.stage b{display:block;color:#fff;font-family:var(--ff-h)}
.stage span{font-size:.9rem;color:#A9BFE3}
.stage .n{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--c,#9EC2F5);color:var(--ink);font-family:var(--ff-h);font-weight:800}
.stack-out{display:flex;align-items:center;gap:10px;margin-top:14px;padding:14px;border-radius:12px;background:var(--gold);color:var(--ink);font-family:var(--ff-h);font-weight:700}
@keyframes stageIn{to{opacity:1;transform:none}}

/* inner page hero */
.phero{background:linear-gradient(180deg,var(--mint) 0%,var(--sand) 100%);padding:clamp(40px,6vw,72px) 0 clamp(48px,6vw,80px)}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:.88rem;color:var(--muted);margin-bottom:26px}
.crumbs a{color:var(--muted)}

/* cards */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card .ico{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:var(--mint);color:var(--teal);margin-bottom:18px}
.card .ico .ic{width:26px;height:26px}
.card p:last-child{margin-bottom:0}
.bg-deep .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.bg-deep .card .ico{background:rgba(60,200,232,.15);color:var(--gold)}
.bg-deep .card p{color:#B3C6E6}

/* product feature cards */
.prod{display:grid;grid-template-columns:1fr 1fr;background:#fff;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line)}
.prod + .prod{margin-top:26px}
.prod .ph,.prod .pic{border-radius:0;border:0;aspect-ratio:auto;height:100%;min-height:320px}
.prod .pic{object-fit:contain;background:#fff;padding:16px}
.prod-body{padding:clamp(28px,4vw,48px)}
.prod-tag{display:inline-block;background:var(--mint);color:var(--deep);font-weight:700;font-size:.8rem;padding:5px 12px;border-radius:999px;margin-bottom:14px}
@media (max-width:820px){.prod{grid-template-columns:1fr}.prod .ph,.prod .pic{min-height:240px;max-height:340px}}

.ticks{list-style:none;padding:0;margin:0 0 1em;display:grid;gap:10px}
.ticks li{display:flex;gap:10px;align-items:flex-start}
.ticks .ic{color:var(--teal-2);margin-top:.3em}
.bg-deep .ticks .ic{color:var(--gold)}

/* numbered process */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.steps.s4{grid-template-columns:repeat(4,1fr)}
.step{position:relative;background:#fff;border-radius:var(--r);padding:30px 26px 26px;border-top:4px solid var(--teal-2)}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font-family:var(--ff-h);font-weight:800;font-size:2.3rem;color:var(--mint-2);display:block;line-height:1;margin-bottom:12px}
@media (max-width:980px){.steps,.steps.s4{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.steps,.steps.s4{grid-template-columns:1fr}}

/* placeholder */
.ph{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;margin:0;padding:24px;text-align:center;border-radius:var(--r-lg);background:repeating-linear-gradient(135deg,var(--mint) 0 14px,#D9E5F8 14px 28px);border:2px dashed #9DB8E6;color:var(--teal)}
.ph .ic{width:40px;height:40px;opacity:.8}
.ph-label{font-family:var(--ff-h);font-weight:700;color:var(--deep);max-width:30ch}
.ph-file{font-size:.78rem;font-family:ui-monospace,monospace;color:var(--muted);background:rgba(255,255,255,.7);padding:2px 8px;border-radius:6px}
.ph--4x3,.pic--4x3{aspect-ratio:4/3}.ph--1x1,.pic--1x1{aspect-ratio:1}.ph--16x9,.pic--16x9{aspect-ratio:16/9}.ph--3x4,.pic--3x4{aspect-ratio:3/4}
.pic{display:block;width:100%;height:auto;object-fit:cover;border-radius:var(--r-lg);background:var(--mint)}

/* price block */
.price{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:20px 0}
.price div{background:var(--sand);border-radius:12px;padding:16px 18px}
.price b{display:block;font-family:var(--ff-h);font-size:1.8rem;color:var(--deep)}
.price small{color:var(--muted)}
.fine{font-size:.88rem;color:var(--muted)}

/* comparison table */
.tbl-wrap{overflow-x:auto;border-radius:var(--r);border:1px solid var(--line);background:#fff}
table{width:100%;border-collapse:collapse;min-width:560px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--deep);color:#fff;font-family:var(--ff-h)}
tbody th{font-weight:600;color:var(--ink);width:34%}
td.yes{color:var(--teal);font-weight:600}

/* faq */
.faq{display:grid;gap:12px;max-width:860px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.faq summary{cursor:pointer;list-style:none;padding:18px 54px 18px 22px;font-family:var(--ff-h);font-weight:700;color:var(--ink);position:relative}
.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);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{padding:0 22px 6px}

/* CTA band */
.band{background:linear-gradient(120deg,var(--deep),var(--teal));color:#CBDAF2;padding:56px 0}
.band h2{color:#fff;margin-bottom:.3em}
.band-in{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.band-in p{margin:0;max-width:56ch}
.band .cta-row{margin-top:0}

/* chips (service areas) */
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.chips li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.93rem;font-weight:500}

/* forms */
.form-card{background:#fff;border-radius:var(--r-lg);padding:clamp(24px,4vw,40px);box-shadow:var(--shadow);border:1px solid var(--line)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
@media (max-width:620px){.form-grid{grid-template-columns:1fr}}
label{display:block;font-weight:600;font-size:.93rem;margin-bottom:6px;color:var(--ink)}
input,select,textarea{width:100%;font:inherit;font-size:1rem;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--sand);color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal-2);background:#fff;box-shadow:0 0 0 3px var(--mint)}
textarea{min-height:120px;resize:vertical}
.hp{position:absolute;left:-9999px}
.form-note{font-size:.86rem;color:var(--muted);margin-top:14px}
.alert{padding:14px 18px;border-radius:10px;margin-bottom:18px;font-weight:600}
.alert-err{background:#FDECEA;color:#8A1F11}
.contact-list{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.contact-list li{display:flex;gap:14px;align-items:flex-start}
.contact-list .ico{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--mint);color:var(--teal);flex:none}
.contact-list b{display:block;color:var(--ink)}

/* article (guides + legal) */
.prose{max-width:760px}
.prose h2{font-size:1.65rem;margin-top:1.6em}
.prose h3{margin-top:1.3em}
.prose ul{padding-left:1.2em}
.prose li{margin-bottom:.4em}
.post-meta{color:var(--muted);font-size:.92rem}
.guide-card{display:flex;flex-direction:column;text-decoration:none;color:inherit;padding:0;overflow:hidden}
.guide-card .ph{border-radius:0;border:0;border-bottom:2px dashed #9DB8E6}
.guide-card .pic{border-radius:0}
.guide-card div{padding:22px 24px}
.guide-card h3{color:var(--ink)}

/* footer */
.site-footer{background:var(--ink);color:#A6B4CC;padding:64px 0 0;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px}
.site-footer a{color:#D5DEEE;text-decoration:none}
.site-footer a:hover{color:var(--gold)}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.f-h{font-size:1rem;color:#fff;margin-bottom:16px}
.f-brand p{margin:18px 0}
.f-contact li{display:flex;gap:10px;align-items:flex-start}
.f-contact .ic{color:var(--gold);margin-top:.25em}
.social{display:flex;gap:10px}
.social a{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.08)}
.f-legal{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding-top:20px;padding-bottom:24px;font-size:.86rem}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}

/* mobile action bar keeps call + quote in reach */
.mobile-bar{display:none}
@media (max-width:760px){
  .mobile-bar{display:grid;grid-template-columns:1fr 1.4fr;position:fixed;left:0;right:0;bottom:0;z-index:40;background:var(--ink);padding:8px;gap:8px;padding-bottom:calc(8px + env(safe-area-inset-bottom))}
  .mobile-bar a{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px;border-radius:10px;color:#fff;text-decoration:none;font-family:var(--ff-h);font-weight:700;background:rgba(255,255,255,.1)}
  .mobile-bar .mb-cta{background:var(--gold);color:var(--ink)}
  body{padding-bottom:72px}
}

/* scroll reveal (JS adds .in) */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal,.stage{opacity:1;transform:none}
}
.hero .eyebrow{color:var(--gold)}
.main-nav .nav-cta a{display:inline-flex;color:#fff;background:var(--teal);border-radius:999px;padding:.85em 1.35em}

/* Black Friday offer */
.bf-pill{display:inline-block;font-family:var(--ff-h);font-weight:800;font-size:.85rem;letter-spacing:.16em;text-transform:uppercase;background:var(--gold);color:var(--ink);padding:7px 16px;border-radius:999px;margin:0 0 18px}
.vid{display:block;width:100%;height:auto;aspect-ratio:16/9;border-radius:var(--r-lg);background:#020611;box-shadow:0 30px 60px -30px rgba(0,0,0,.7)}
.bf-band{background:radial-gradient(900px 500px at 80% 50%,#0B2E7A 0%,#020611 70%);color:#C9D6EE}
.bf-band h2{color:#fff}.bf-band h2 em{font-style:normal;color:var(--gold)}
.offer-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.offer-hero .vid{margin:26px 0 6px}
.offer-form{color:var(--ink);scroll-margin-top:100px}
.offer-form h2{font-size:1.5rem;margin-bottom:.3em}
.form-intro{color:var(--muted);margin:0 0 18px}
.offer-price{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;background:var(--mint);border-radius:12px;padding:12px 16px;margin:0 0 18px}
.offer-price small{width:100%;font-weight:700;color:var(--teal);text-transform:uppercase;letter-spacing:.1em;font-size:.75rem}
.offer-price b{font-family:var(--ff-h);font-size:2.4rem;line-height:1;color:var(--deep)}
.offer-price span{color:var(--muted);font-weight:600}
.btn-block{width:100%;justify-content:center;margin-top:18px}
.trust-strip{background:var(--deep);color:#fff;padding:18px 0;border-top:1px solid rgba(255,255,255,.1)}
.trust-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 24px;font-family:var(--ff-h);font-weight:700;font-size:.95rem}
.trust-in span{display:inline-flex;align-items:center;gap:8px}.trust-in .ic{color:var(--gold)}
@media (max-width:920px){.offer-grid{grid-template-columns:1fr}.trust-in{justify-content:flex-start}}
/* comparison tables stack into cards on phones */
@media (max-width:640px){
  .tbl-wrap{overflow:visible;border:0;background:none}
  .tbl-wrap table{min-width:0}
  .tbl-wrap thead{display:none}
  .tbl-wrap tbody,.tbl-wrap tr,.tbl-wrap th,.tbl-wrap td{display:block;width:auto}
  .tbl-wrap tr{background:#fff;border:1px solid var(--line);border-radius:var(--r);margin-bottom:12px;overflow:hidden}
  .tbl-wrap tbody th{background:var(--deep);color:#fff;font-family:var(--ff-h);width:auto;padding:12px 16px;border:0}
  .tbl-wrap td{display:grid;grid-template-columns:42% 1fr;gap:12px;padding:11px 16px}
  .tbl-wrap td:last-child{border-bottom:0}
  .tbl-wrap td::before{content:attr(data-label);font-size:.8rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
}

.vid-wrap{position:relative}
.offer-hero .vid-wrap{margin:26px 0 6px}.offer-hero .vid-wrap .vid{margin:0}
.vid-sound{position:absolute;right:14px;bottom:14px;display:inline-flex;align-items:center;gap:8px;font:700 .9rem var(--ff-h);color:var(--ink);background:var(--gold);border:0;border-radius:999px;padding:10px 16px;cursor:pointer;box-shadow:0 8px 20px -8px rgba(0,0,0,.6)}
.vid-sound:hover{background:#6AD6EE}
.vid-sound .ic{width:18px;height:18px}

.bf-pill+.bf-ext{margin:-8px 0 18px;font-weight:600;font-size:.95rem;color:var(--gold)}