/* =========================================================
   Building Services Ltd — "Plumb & Ironstone" design system
   Palette: ironstone · basalt · limewash · lichen
   Type: Epilogue (display) / Albert Sans (body) / Red Hat Mono (labels)
   ========================================================= */
:root{
  --limewash:#F4F0E8;
  --paper:#FBF9F5;
  --stone:#E9E2D6;
  --line:#DCD3C5;
  --basalt:#231F1C;
  --basalt-2:#36302B;
  --muted:#685F57;
  --ironstone:#A9522A;
  --ironstone-dk:#8A4220;
  --ironstone-lt:#D07A47;
  --ironstone-pale:#F3E3D6;
  --lichen:#98A688;
  --lichen-pale:#E4E9DC;
  --white:#fff;
  --radius:6px;
  --shadow:0 18px 40px -22px rgba(35,31,28,.45);
  --f-display:"Epilogue",system-ui,sans-serif;
  --f-body:"Albert Sans",system-ui,sans-serif;
  --f-mono:"Red Hat Mono",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--basalt);font-family:var(--f-body);font-size:17px;line-height:1.7;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--f-display);line-height:1.08;margin:0 0 .5em;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(2.4rem,5.6vw,4.4rem)}
h2{font-size:clamp(1.9rem,3.8vw,3rem)}
h3{font-size:1.32rem;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
.wrap{max-width:1220px;margin:0 auto;padding-left:20px;padding-right:20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.ico{width:24px;height:24px;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.6em;font-family:var(--f-body);font-weight:600;font-size:1rem;text-decoration:none;padding:15px 24px;border-radius:var(--radius);border:2px solid transparent;transition:transform .2s,background .2s,color .2s,border-color .2s;cursor:pointer}
.btn .ico{width:19px;height:19px}
.btn-iron{background:var(--ironstone);color:#fff}
.btn-iron:hover{background:var(--ironstone-dk);transform:translateY(-2px)}
.btn-line{border-color:var(--basalt);color:var(--basalt);background:transparent}
.btn-line:hover{background:var(--basalt);color:var(--limewash)}
.btn-light{border-color:rgba(255,255,255,.55);color:#fff}
.btn-light:hover{background:#fff;color:var(--basalt)}

/* ---------- Plumb-bob label (signature) ---------- */
.tag{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-mono);font-size:.78rem;font-weight:500;text-transform:uppercase;letter-spacing:.14em;color:var(--ironstone);margin-bottom:18px}
.tag .bob{display:inline-flex;flex-direction:column;align-items:center}
.tag .bob::before{content:"";width:1px;height:14px;background:currentColor}
.tag .bob::after{content:"";width:9px;height:12px;background:currentColor;clip-path:polygon(50% 100%,0 30%,25% 0,75% 0,100% 30%)}
.on-dark .tag,.tag.light{color:var(--ironstone-lt)}

/* ---------- Chalk-line divider (signature) ---------- */
.chalk{position:relative;height:28px;margin:0 auto;max-width:1220px;padding:0 20px}
.chalk::before{content:"";position:absolute;left:20px;right:20px;top:50%;height:2px;background:repeating-linear-gradient(90deg,var(--ironstone) 0 10px,transparent 10px 15px);opacity:.55}
.chalk::after{content:"";position:absolute;left:14px;top:calc(50% - 6px);width:12px;height:12px;border-radius:50%;background:var(--paper);border:2px solid var(--ironstone)}
.chalk span{position:absolute;right:20px;top:50%;transform:translateY(-50%);background:var(--paper);padding-left:12px;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.18em;color:var(--muted)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(251,249,245,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar{background:var(--basalt);color:#d9d1c6;font-size:.84rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:8px;padding-bottom:8px}
.topbar a{text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.topbar a:hover{color:#fff}
.topbar .ico{width:15px;height:15px;color:var(--ironstone-lt)}
.topbar .tb-r{display:flex;gap:22px}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:14px;padding-bottom:14px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo-mark{width:44px;height:44px;border-radius:var(--radius);background:var(--basalt);display:grid;place-items:center;position:relative;overflow:hidden}
.logo-mark svg{width:26px;height:26px}
.logo-txt{display:flex;flex-direction:column;line-height:1}
.logo-txt b{font-family:var(--f-display);font-weight:800;font-size:1.18rem;letter-spacing:-.02em}
.logo-txt small{font-family:var(--f-mono);font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ironstone);margin-top:5px}
.menu{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.menu a{display:block;text-decoration:none;font-weight:500;font-size:.98rem;padding:8px 14px;border-radius:var(--radius);position:relative}
.menu a:hover{color:var(--ironstone)}
.menu a.active{color:var(--ironstone)}
.menu a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--ironstone)}
.nav .btn{padding:11px 18px;font-size:.94rem}
.burger{display:none;width:46px;height:46px;border-radius:var(--radius);border:1px solid var(--line);background:var(--paper);cursor:pointer;place-items:center}
.burger span{display:block;width:20px;height:2px;background:var(--basalt);margin:4px auto;transition:.25s}

/* mobile panel — sibling OUTSIDE header (containing-block fix) */
.mnav{position:fixed;inset:0;z-index:80;background:var(--basalt);color:var(--limewash);display:flex;flex-direction:column;padding:22px 20px 30px;transform:translateX(100%);transition:transform .35s ease;visibility:hidden}
.mnav.open{transform:none;visibility:visible}
.mnav-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:34px}
.mnav-top .logo-txt b{color:#fff}
.mnav-close{width:46px;height:46px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;cursor:pointer;display:grid;place-items:center}
.mnav ul{list-style:none;margin:0;padding:0;border-left:1px solid var(--ironstone-lt)}
.mnav li a{display:block;text-decoration:none;font-family:var(--f-display);font-weight:700;font-size:1.9rem;padding:10px 0 10px 22px;position:relative}
.mnav li a.active{color:var(--ironstone-lt)}
.mnav li a.active::before{content:"";position:absolute;left:-6px;top:50%;width:11px;height:11px;margin-top:-6px;background:var(--ironstone-lt);clip-path:polygon(50% 100%,0 30%,25% 0,75% 0,100% 30%)}
.mnav-foot{margin-top:auto;display:grid;gap:12px;font-size:.95rem}
.mnav-foot a{text-decoration:none;display:flex;align-items:center;gap:10px;color:#d9d1c6}
.mnav-foot .btn{justify-content:center;color:#fff;margin-top:8px}

/* ---------- Image wrapper with fallback ---------- */
.ph{position:relative;overflow:hidden;background:
  linear-gradient(135deg,rgba(169,82,42,.85),rgba(35,31,28,.9)),
  repeating-linear-gradient(0deg,transparent 0 22px,rgba(255,255,255,.06) 22px 23px),
  var(--basalt-2);border-radius:var(--radius)}
.ph img{width:100%;height:100%;object-fit:cover}
.ph.noimg img{display:none}

/* ---------- Home hero ---------- */
.hero{position:relative;padding:70px 0 90px;background:var(--limewash);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px);background-size:100% 46px;opacity:.45;pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-copy{position:relative;padding-left:40px}
.plumb{position:absolute;left:8px;top:-70px;height:calc(100% + 40px);width:16px;display:flex;flex-direction:column;align-items:center}
.plumb::before{content:"";flex:1;width:1px;background:var(--ironstone)}
.plumb i{display:block;width:16px;height:22px;background:var(--ironstone);clip-path:polygon(50% 100%,0 32%,22% 0,78% 0,100% 32%);transform-origin:50% -300px;animation:sway 6s ease-in-out infinite}
@keyframes sway{0%,100%{transform:rotate(.6deg)}50%{transform:rotate(-.6deg)}}
.hero h1 em{font-style:normal;color:var(--ironstone)}
.hero-lead{font-size:1.15rem;color:var(--basalt-2);max-width:560px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 34px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:.92rem;color:var(--muted)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta .ico{width:18px;height:18px;color:var(--ironstone)}
.hero-visual{position:relative}
.hero-visual .ph{aspect-ratio:4/5;box-shadow:var(--shadow)}
.level-card{position:absolute;left:-34px;bottom:34px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);width:min(290px,80%)}
.level-card small{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.level-card b{display:block;font-family:var(--f-display);font-size:1.1rem;margin:4px 0 10px}
.vial{height:16px;border-radius:20px;background:var(--lichen-pale);border:1px solid var(--lichen);position:relative;overflow:hidden}
.vial::before,.vial::after{content:"";position:absolute;top:0;bottom:0;width:1px;background:var(--basalt);left:44%}
.vial::after{left:56%}
.vial i{position:absolute;top:2px;bottom:2px;left:45.5%;width:9%;border-radius:20px;background:var(--paper);box-shadow:inset 0 0 0 1px var(--lichen)}
.side-chip{position:absolute;right:-12px;top:30px;background:var(--basalt);color:var(--limewash);font-family:var(--f-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;padding:10px 14px;border-radius:var(--radius)}

/* ---------- Strip ---------- */
.strip{background:var(--basalt);color:var(--limewash)}
.strip .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.strip-item{display:flex;gap:14px;align-items:flex-start;padding:26px 22px;border-right:1px solid rgba(255,255,255,.1)}
.strip-item:last-child{border-right:0}
.strip-item .ico{color:var(--ironstone-lt);width:28px;height:28px;margin-top:3px}
.strip-item b{display:block;font-family:var(--f-display);font-size:1.02rem;margin-bottom:2px}
.strip-item span{font-size:.88rem;color:#bfb6aa;line-height:1.5}

/* ---------- Sections ---------- */
.sec{padding:96px 0}
.sec-alt{background:var(--limewash)}
.sec-dark{background:var(--basalt);color:var(--limewash)}
.sec-dark p{color:#cfc6ba}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-bottom:52px}
.sec-head p{color:var(--muted);margin:0}
.sec-dark .sec-head p{color:#bfb6aa}
.sec-head.center{grid-template-columns:1fr;text-align:center;max-width:760px;margin-left:auto;margin-right:auto}

/* ---------- Service cards ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.svc-card .ph{aspect-ratio:16/10;border-radius:0}
.svc-body{padding:26px 24px 28px;display:flex;flex-direction:column;flex:1;position:relative}
.svc-ico{width:52px;height:52px;border-radius:var(--radius);background:var(--ironstone);color:#fff;display:grid;place-items:center;margin-top:-52px;margin-bottom:18px;position:relative;box-shadow:0 0 0 5px var(--paper)}
.svc-ico .ico{width:26px;height:26px}
.svc-body p{color:var(--muted);font-size:.98rem}
.svc-kind{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ironstone);margin-bottom:6px}
.more{margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-weight:600;text-decoration:none;color:var(--basalt)}
.more .ico{width:18px;height:18px;color:var(--ironstone);transition:transform .2s}
.more:hover .ico{transform:translateX(4px)}

/* ---------- Two sectors ---------- */
.sectors{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.sector{position:relative;border-radius:var(--radius);overflow:hidden;min-height:440px;display:flex;align-items:flex-end;color:#fff}
.sector .ph{position:absolute;inset:0;border-radius:0}
.sector::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(35,31,28,.05) 20%,rgba(35,31,28,.92) 85%)}
.sector-in{position:relative;z-index:2;padding:34px}
.sector-in p{color:#e6ded3;max-width:470px}
.sector ul{list-style:none;padding:0;margin:0 0 22px;display:flex;flex-wrap:wrap;gap:8px}
.sector li{font-size:.85rem;border:1px solid rgba(255,255,255,.35);border-radius:40px;padding:5px 13px}

/* ---------- Process (vertical plumb line) ---------- */
.process{position:relative;max-width:900px;margin:0 auto;padding-left:70px}
.process::before{content:"";position:absolute;left:26px;top:-30px;bottom:30px;width:1px;background:var(--ironstone)}
.process::after{content:"";position:absolute;left:19px;top:-36px;width:15px;height:15px;border:2px solid var(--ironstone);border-radius:50%;background:var(--paper)}
.sec-alt .process::after{background:var(--limewash)}
.step{position:relative;padding:0 0 38px}
.step:last-child{padding-bottom:0}
.step-bob{position:absolute;left:-58px;top:2px;width:26px;height:34px;background:var(--ironstone);clip-path:polygon(50% 100%,0 32%,22% 0,78% 0,100% 32%);display:grid;place-items:center}
.step-bob b{font-family:var(--f-mono);font-size:.72rem;color:#fff;margin-top:-6px}
.step-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start}
.step-card .ico{width:30px;height:30px;color:var(--ironstone);margin-top:4px}
.step-card h3{margin-bottom:.3em}
.step-card p{margin:0;color:var(--muted)}

/* ---------- About split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split .ph{aspect-ratio:5/4;box-shadow:var(--shadow)}
.split-img{position:relative}
.split-img .stamp{position:absolute;right:-16px;bottom:-16px;background:var(--ironstone);color:#fff;padding:18px 20px;border-radius:var(--radius);max-width:240px;font-size:.9rem;line-height:1.45}
.split-img .stamp b{display:block;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;opacity:.85;margin-bottom:4px}
.checks{list-style:none;padding:0;margin:22px 0 30px;display:grid;gap:12px}
.checks li{display:flex;gap:12px;align-items:flex-start}
.checks .ico{color:var(--ironstone);width:22px;height:22px;margin-top:3px}

/* ---------- Area ---------- */
.area{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.towns{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.towns span{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border:1px solid var(--line);background:var(--paper);border-radius:40px;font-size:.94rem;font-weight:500}
.towns span::before{content:"";width:7px;height:9px;background:var(--ironstone);clip-path:polygon(50% 100%,0 32%,22% 0,78% 0,100% 32%)}
.towns span.hq{background:var(--basalt);color:var(--limewash);border-color:var(--basalt)}
.area-card{background:var(--basalt);color:var(--limewash);border-radius:var(--radius);padding:34px;position:relative;overflow:hidden}
.area-card::before{content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;border-radius:50%;border:1px dashed rgba(208,122,71,.5)}
.area-card::after{content:"";position:absolute;right:20px;top:20px;width:80px;height:80px;border-radius:50%;border:1px dashed rgba(208,122,71,.5)}
.area-card h3{color:#fff}
.area-card p{color:#cfc6ba}
.area-card .row{display:flex;gap:12px;align-items:flex-start;margin-top:14px;color:#e6ded3}
.area-card .row .ico{color:var(--ironstone-lt)}
.area-card a{text-decoration:none}
.area-card a:hover{color:#fff}

/* ---------- CTA band ---------- */
.cta{background:var(--ironstone);color:#fff;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 79px,rgba(255,255,255,.08) 79px 80px)}
.cta .wrap{position:relative;display:grid;grid-template-columns:1.4fr auto;gap:40px;align-items:center;padding-top:64px;padding-bottom:64px}
.cta h2{margin-bottom:.3em}
.cta p{margin:0;color:#f6e7dc;max-width:620px}
.cta .btns{display:flex;flex-wrap:wrap;gap:12px}
.cta .btn-dark{background:var(--basalt);color:#fff}
.cta .btn-dark:hover{background:#000;transform:translateY(-2px)}

/* ---------- Page hero (inner) ---------- */
.phero{background:var(--basalt);color:var(--limewash);position:relative;overflow:hidden}
.phero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:stretch;min-height:400px}
.phero-copy{padding:72px 0 72px 40px;position:relative;align-self:center}
.phero-copy .plumb{top:-80px;height:calc(100% + 40px)}
.phero-copy .plumb::before{background:var(--ironstone-lt)}
.phero-copy .plumb i{background:var(--ironstone-lt)}
.phero h1{color:#fff;font-size:clamp(2.3rem,5vw,3.9rem)}
.phero p{color:#cfc6ba;font-size:1.1rem;max-width:560px;margin:0}
.crumbs{font-family:var(--f-mono);font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:#a99f93;margin-bottom:18px}
.crumbs a{text-decoration:none;color:var(--ironstone-lt)}
.phero-img{position:relative;margin-right:calc(-1 * max(20px, (100vw - 1180px) / 2))}
.phero-img .ph{position:absolute;inset:0;border-radius:0;clip-path:polygon(14% 0,100% 0,100% 100%,0 100%)}

/* ---------- Values ---------- */
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.value{background:var(--paper);border:1px solid var(--line);border-top:3px solid var(--ironstone);border-radius:var(--radius);padding:26px 22px}
.value .ico{width:32px;height:32px;color:var(--ironstone);margin-bottom:14px}
.value p{color:var(--muted);font-size:.96rem;margin:0}

/* ---------- Services page detail ---------- */
.cat-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.cat-nav a{text-decoration:none;font-family:var(--f-mono);font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;padding:10px 16px;border:1px solid rgba(255,255,255,.3);border-radius:40px;color:#e6ded3}
.cat-nav a:hover{background:var(--ironstone);border-color:var(--ironstone);color:#fff}
.cat-head{display:flex;align-items:center;gap:18px;margin-bottom:40px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.cat-num{font-family:var(--f-mono);font-size:.8rem;color:#fff;background:var(--ironstone);padding:8px 12px;border-radius:var(--radius)}
.cat-head h2{margin:0;font-size:clamp(1.7rem,3.2vw,2.5rem)}
.cat-head p{margin:0 0 0 auto;max-width:420px;color:var(--muted);font-size:.96rem}
.svc-row{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center;margin-bottom:56px}
.svc-row:last-child{margin-bottom:0}
.svc-row.flip .ph{order:2}
.svc-row .ph{aspect-ratio:4/3;box-shadow:var(--shadow)}
.svc-row h3{font-size:1.65rem;display:flex;align-items:center;gap:12px}
.svc-row h3 .ico{width:30px;height:30px;color:var(--ironstone)}
.svc-row p{color:var(--basalt-2)}
.incl{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px;list-style:none;padding:0;margin:18px 0 0}
.incl li{display:flex;gap:10px;font-size:.95rem;color:var(--basalt-2)}
.incl li::before{content:"";flex:none;width:8px;height:10px;margin-top:8px;background:var(--ironstone);clip-path:polygon(50% 100%,0 32%,22% 0,78% 0,100% 32%)}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:0 24px}
.faq summary{cursor:pointer;list-style:none;font-family:var(--f-display);font-weight:700;font-size:1.08rem;padding:20px 30px 20px 0;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-family:var(--f-mono);font-size:1.4rem;color:var(--ironstone)}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);padding-bottom:20px;margin:0}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start}
.c-info{display:grid;gap:14px}
.c-item{display:flex;gap:16px;align-items:flex-start;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.c-item .ci{width:46px;height:46px;flex:none;border-radius:var(--radius);background:var(--ironstone-pale);color:var(--ironstone);display:grid;place-items:center}
.c-item small{display:block;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.c-item a,.c-item span{font-weight:600;text-decoration:none;word-break:break-word}
.c-item a:hover{color:var(--ironstone)}
.c-note{background:var(--basalt);color:#cfc6ba;border-radius:var(--radius);padding:22px;font-size:.92rem}
.c-note b{color:#fff;font-family:var(--f-display)}
.form-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow);position:relative}
.form-card::before{content:"";position:absolute;left:34px;right:34px;top:0;height:3px;background:var(--ironstone)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-weight:600;font-size:.92rem}
.field label i{font-style:normal;color:var(--ironstone)}
.field input,.field select,.field textarea{font:inherit;font-size:1rem;padding:13px 14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--limewash);color:var(--basalt);width:100%}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--ironstone);outline-offset:1px;background:#fff}
.field.err input,.field.err select,.field.err textarea{border-color:#B3261E;background:#FCEEEE}
.field .msg{display:none;color:#B3261E;font-size:.84rem}
.field.err .msg{display:block}
.form-foot{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin-top:22px}
.form-foot small{color:var(--muted);font-size:.84rem;max-width:340px}
.form-ok{display:none;margin-top:18px;padding:16px 18px;border-radius:var(--radius);background:var(--lichen-pale);border:1px solid var(--lichen);font-size:.95rem}
.form-ok.show{display:block}
.map{margin-top:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);height:420px}
.map iframe{width:100%;height:100%;border:0;display:block}

/* ---------- Footer ---------- */
.site-footer{background:var(--basalt);color:#bfb6aa;padding:70px 0 0;font-size:.95rem}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1.1fr 1.3fr;gap:40px}
.site-footer .logo-txt b{color:#fff}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:16px;font-weight:700}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.site-footer a{text-decoration:none}
.site-footer a:hover{color:var(--ironstone-lt)}
.f-about{margin-top:18px;max-width:330px}
.f-contact li{display:flex;gap:10px;align-items:flex-start}
.f-contact .ico{width:18px;height:18px;color:var(--ironstone-lt);margin-top:4px}
.f-base{margin-top:54px;border-top:1px solid rgba(255,255,255,.1)}
.f-base .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:22px;padding-bottom:22px;font-size:.84rem}
.f-base .mono{font-family:var(--f-mono);letter-spacing:.06em}

/* ---------- Reveal ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}.plumb i{animation:none}html{scroll-behavior:auto}}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .svc-grid{grid-template-columns:1fr 1fr}
  .values{grid-template-columns:1fr 1fr}
  .f-grid{grid-template-columns:1fr 1fr}
  .strip .wrap{grid-template-columns:1fr 1fr}
  .strip-item:nth-child(2){border-right:0}
  .strip-item:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.1)}
}
@media (max-width:960px){
  .menu,.nav .btn{display:none}
  .burger{display:grid}
  .topbar .tb-l{display:none}
  .topbar .wrap{justify-content:center}
  .hero .wrap,.split,.area,.contact-grid,.sec-head,.sectors,.svc-row,.phero .wrap,.cta .wrap{grid-template-columns:1fr}
  .hero{padding:50px 0 70px}
  .hero-visual{max-width:560px}
  .hero-visual .ph{aspect-ratio:4/3}
  .level-card{left:16px;bottom:-26px}
  .side-chip{right:12px}
  .sec{padding:72px 0}
  .sec-head{gap:14px}
  .svc-row.flip .ph{order:0}
  .phero-img{height:240px;margin:0 -20px}
  .phero-img .ph{clip-path:none}
  .phero-copy{padding:50px 0 40px 40px}
  .cat-head{flex-wrap:wrap}
  .cat-head p{margin:0;flex-basis:100%}
  .split-img .stamp{right:12px}
}
@media (max-width:640px){
  body{font-size:16px}
  .svc-grid,.values,.f-grid,.strip .wrap,.form-grid,.incl{grid-template-columns:1fr}
  .strip-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.1)}
  .strip-item:last-child{border-bottom:0}
  .hero-copy,.phero-copy{padding-left:30px}
  .plumb{left:2px}
  .hero-ctas .btn,.cta .btn{flex:1 1 100%;justify-content:center}
  .process{padding-left:56px}
  .process::before{left:18px}
  .process::after{left:11px}
  .step-bob{left:-51px;width:22px;height:30px}
  .step-card{grid-template-columns:1fr;padding:20px}
  .sector{min-height:400px}
  .sector-in{padding:24px}
  .form-card{padding:26px 20px}
  .form-foot .btn{width:100%;justify-content:center}
  .map{height:320px}
  .topbar .tb-r{gap:14px;font-size:.8rem}
  .logo-txt b{font-size:1.05rem}
  .chalk span{display:none}
}