/* Somerset Fire Systems — design system. White, quiet, precise. Red used sparingly. */
:root{
 --ink:#1D1D1F;--char:#23272B;--mut:#6E6E73;--line:#E5E5EA;--soft:#F5F5F7;--soft2:#FBFBFD;
 --red:#D9141B;--red-d:#B30F15;--red-t:#FDECEC;--wa:#128C3F;
 --r:20px;--r2:14px;--shell:min(1120px,calc(100vw - 40px));--e:cubic-bezier(.22,.61,.36,1);
 --f:Inter,-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{font-family:var(--f);color:var(--ink);background:#fff;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;padding-bottom:78px}
@media(min-width:900px){body{padding-bottom:0}}
img,picture{display:block;max-width:100%}
a{color:inherit}
.shell{width:var(--shell);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px;z-index:200}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:4px}
h1,h2,h3,h4{font-weight:650;letter-spacing:-.028em;line-height:1.08;color:var(--ink)}
h1{font-size:clamp(2.35rem,7.4vw,4.4rem);letter-spacing:-.04em;font-weight:700}
h2{font-size:clamp(1.8rem,4.8vw,3rem);letter-spacing:-.034em}
h3{font-size:1.2rem;letter-spacing:-.018em;line-height:1.25}
p{max-width:64ch;color:#3A3A3C}
.lede{font-size:clamp(1.1rem,2.4vw,1.35rem);color:var(--mut);line-height:1.5;max-width:46ch;letter-spacing:-.01em}
.eyebrow{display:block;font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--red);margin-bottom:14px}
section{padding-block:clamp(64px,10vw,128px);position:relative}
.soft{background:var(--soft)}
.center{text-align:center}.center p,.center .lede{margin-inline:auto}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:50px;padding:0 26px;border-radius:999px;border:1.5px solid var(--ink);background:var(--ink);color:#fff;font:600 .98rem/1 var(--f);letter-spacing:-.005em;text-decoration:none;cursor:pointer;white-space:nowrap;transition:transform .35s var(--e),background .3s,border-color .3s,color .3s,box-shadow .35s var(--e)}
.btn:hover{transform:translateY(-1px)}
.btn.red{background:var(--red);border-color:var(--red);color:#fff}
.btn.red:hover{background:var(--red-d);border-color:var(--red-d);box-shadow:0 14px 28px -12px rgba(217,20,27,.55)}
.btn.ln{background:transparent;color:var(--ink);border-color:#C7C7CC}
.btn.ln:hover{border-color:var(--ink)}
.btn.wa{background:#fff;color:var(--ink);border-color:#C7C7CC}
.btn.wa::before{content:"";width:9px;height:9px;border-radius:50%;background:#25D366}
.btn.wa:hover{border-color:var(--wa)}
.btn.sm{min-height:42px;padding:0 20px;font-size:.9rem}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
@media(max-width:559px){.btns .btn{flex:1 1 100%}}
.lnk{font-weight:600;text-decoration:none;color:var(--red-d);display:inline-flex;gap:6px;align-items:center}
.lnk::after{content:"\2192";transition:transform .35s var(--e)}.lnk:hover::after{transform:translateX(4px)}
/* header */
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.82);-webkit-backdrop-filter:saturate(1.8) blur(20px);backdrop-filter:saturate(1.8) blur(20px);border-bottom:1px solid transparent;transition:border-color .3s,transform .5s var(--e)}
header.on{border-bottom-color:var(--line)}
header.hide{transform:translateY(-100%)}
.bar{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex:none}
.brand img{height:26px;width:auto}
.brand span{font-size:.82rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;line-height:1.05;color:var(--char)}
.brand span i{display:block;font-style:normal;color:var(--red);font-weight:700}
nav{display:none;margin-left:auto;align-items:center;gap:24px}
nav a.n{font-size:.88rem;font-weight:500;text-decoration:none;color:#3A3A3C;position:relative;padding:6px 0;white-space:nowrap}
nav a.n::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1.5px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--e)}
nav a.n:hover::after,nav a.n[aria-current]::after{transform:scaleX(1)}
.hnum{font-weight:650;text-decoration:none;font-size:.95rem;white-space:nowrap;letter-spacing:-.01em}
.hnum:hover{color:var(--red)}
@media(min-width:1040px){nav{display:flex}}
@media(max-width:1219px){nav a.n.x{display:none}}
.hcall{margin-left:auto;width:44px;height:44px;border-radius:50%;background:var(--red);display:inline-flex;align-items:center;justify-content:center}
.hcall svg{width:19px;height:19px;fill:#fff}
.mb{width:44px;height:44px;border-radius:50%;border:0;background:var(--soft);display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}
.mb span{width:17px;height:1.7px;background:var(--ink);transition:transform .4s var(--e)}
.mb[aria-expanded=true] span:first-child{transform:translateY(3.35px) rotate(45deg)}.mb[aria-expanded=true] span:last-child{transform:translateY(-3.35px) rotate(-45deg)}
@media(min-width:1040px){.hcall,.mb{display:none}}
.mnav{position:fixed;inset:64px 0 0 0;background:#fff;z-index:99;padding:10px 20px 110px;overflow:auto;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .35s,transform .45s var(--e),visibility .35s}
.mnav.open{opacity:1;visibility:visible;transform:none}
.mnav a.ml{display:block;padding:15px 0;border-bottom:1px solid var(--line);font-size:1.5rem;font-weight:650;letter-spacing:-.03em;text-decoration:none}
.mnav .mcta{display:grid;gap:10px;margin-top:26px}
.mnav .mcta .btn{width:100%;min-height:54px}
/* hero */
.hero{padding-top:clamp(40px,7vw,96px);padding-bottom:0;text-align:center;overflow:hidden}
.hero h1{max-width:15ch;margin-inline:auto}
.hero .lede{margin:22px auto 0;max-width:40ch}
.hero .btns{justify-content:center}
.hero-fig{margin:clamp(40px,6vw,72px) auto 0;width:min(var(--shell),1030px);position:relative}
.hero-fig picture{display:block;border-radius:28px 28px 0 0;overflow:hidden;background:var(--soft);aspect-ratio:5/4}
@media(min-width:560px){.hero-fig picture{aspect-ratio:1030/600}}
.hero-fig img{width:100%!important;height:100%!important;object-fit:cover;max-width:none!important;object-position:50% 100%}
@media(min-width:900px){.hero-fig picture{aspect-ratio:1030/540}}
.hero-fig figcaption{position:absolute;left:18px;top:18px;background:rgba(255,255,255,.88);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:9px 14px;border-radius:12px;font-size:.78rem;color:var(--ink);font-weight:500;text-align:left;max-width:calc(100% - 36px)}
.hero-fig{animation:rise 1.1s var(--e) .25s both}
.hero h1,.hero .lede,.hero .btns,.hero .eyebrow{animation:rise .9s var(--e) both}
.hero .lede{animation-delay:.1s}.hero .btns{animation-delay:.2s}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
/* facts strip */
.facts{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.facts div{padding:26px 8px 26px 0}
.facts b{display:block;font-size:1.35rem;font-weight:650;letter-spacing:-.03em}
.facts span{font-size:.88rem;color:var(--mut)}
@media(min-width:800px){.facts{grid-template-columns:repeat(4,1fr)}.facts div+div{padding-left:28px;border-left:1px solid var(--line)}}
/* page hero */
.phero{padding-block:clamp(48px,7vw,96px) clamp(40px,5vw,72px)}
.phero h1{font-size:clamp(2.1rem,6vw,3.6rem);max-width:18ch}
.phero .lede{margin-top:20px}
.phero-grid{display:grid;gap:40px;align-items:center}
@media(min-width:900px){.phero-grid.has-fig{grid-template-columns:1.1fr .9fr;gap:72px}}
.pfig{margin:0}.pfig picture{border-radius:var(--r);overflow:hidden;background:var(--soft)}.pfig img{width:100%;height:auto;max-width:900px}
.pfig figcaption,.cap{font-size:.82rem;color:var(--mut);margin-top:10px;line-height:1.45}
.crumbs{font-size:.82rem;color:var(--mut);padding-top:20px}
.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--ink)}.crumbs i{font-style:normal;margin:0 6px;opacity:.5}
/* grids/cards */
.grid{display:grid;gap:16px}
@media(min-width:760px){.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 28px;text-decoration:none;color:inherit;transition:transform .5s var(--e),box-shadow .5s var(--e),border-color .3s}
.soft .card{border-color:transparent}
a.card:hover{transform:translateY(-4px);box-shadow:0 26px 50px -30px rgba(0,0,0,.28)}
.card h3{margin-bottom:10px}
.card p{font-size:.96rem;color:var(--mut)}
.card .go{margin-top:auto;padding-top:18px;font-weight:600;font-size:.92rem;color:var(--red-d)}
.card .go::after{content:" \2192"}
.card .num{font-size:.78rem;font-weight:700;letter-spacing:.14em;color:var(--red);margin-bottom:14px}
.card ul{list-style:none;margin-top:12px;display:grid;gap:7px;font-size:.92rem;color:#3A3A3C}
.card li{padding-left:18px;position:relative}.card li::before{content:"";position:absolute;left:0;top:.7em;width:7px;height:1.5px;background:var(--red)}
.cardimg{padding:0;overflow:hidden}
.cardimg picture{aspect-ratio:4/3;overflow:hidden;background:var(--soft)}
.cardimg img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--e)}
a.cardimg:hover img{transform:scale(1.04)}
.cardimg .tx{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
/* split */
.split{display:grid;gap:36px;align-items:center}
@media(min-width:900px){.split{grid-template-columns:1fr 1fr;gap:88px}.split.rev>:first-child{order:2}}
.split h2{margin-bottom:18px}
.split p+p{margin-top:14px}
.photo{margin:0}.photo picture{display:block;width:fit-content;max-width:100%;border-radius:var(--r);overflow:hidden;background:var(--soft)}.photo img{width:100%;height:auto}
.photo.sm img{max-width:520px}
.mosaic{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.mosaic .photo{grid-column:span 3}
.mosaic .photo.w{grid-column:span 6}
@media(min-width:760px){.mosaic .photo.t{grid-column:span 2}}
button.zoom{display:block;width:100%;border:0;background:none;cursor:zoom-in;padding:0;text-align:left;font:inherit;color:inherit}
/* prose */
.prose{max-width:780px}
.prose .tbl{width:min(1040px,100%)}
@media(min-width:1040px){.prose .tbl{width:1040px;max-width:calc(100vw - 40px)}}
.hero+section{padding-top:28px}
.prose h2{font-size:clamp(1.55rem,3.6vw,2.2rem);margin:56px 0 16px}
.prose h2:first-child{margin-top:0}
.prose p{margin-top:14px;max-width:none}
.prose ul,.prose ol{margin:14px 0 0 1.2em;display:grid;gap:9px;color:#3A3A3C}
.prose li::marker{color:var(--red)}
.prose a{color:var(--red-d);text-underline-offset:3px}
.prose b{color:var(--ink);font-weight:600}
.note{border-radius:var(--r2);background:var(--soft);padding:22px 24px;margin-top:22px;border-left:3px solid var(--red)}
.note p{margin:0;font-size:.97rem}
.note b{display:block;margin-bottom:4px;color:var(--ink)}
.src{display:grid;gap:10px;margin-top:20px}
.src a{display:flex;justify-content:space-between;gap:14px;padding:16px 20px;border:1px solid var(--line);border-radius:var(--r2);text-decoration:none;font-weight:550;font-size:.97rem;background:#fff;transition:border-color .3s}
.src a:hover{border-color:var(--ink)}.src a::after{content:"\2197";color:var(--red)}
.src small{display:block;color:var(--mut);font-weight:400;font-size:.84rem}
/* table */
.tbl{overflow-x:auto;margin-top:22px;border:1px solid var(--line);border-radius:var(--r2);-webkit-overflow-scrolling:touch}
.tbl table{border-collapse:collapse;width:100%;min-width:620px;font-size:.93rem;background:#fff}
.tbl th,.tbl td{text-align:left;padding:15px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.tbl th{font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--mut);background:var(--soft2);font-weight:600}
.tbl td:first-child{font-weight:600;white-space:nowrap}
/* extinguisher swatches */
.ext{display:grid;gap:14px}
@media(min-width:760px){.ext{grid-template-columns:repeat(5,1fr)}}
.ex{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;display:flex;flex-direction:column}
.ex .sw{height:14px}
.ex .b{padding:20px 18px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.ex h3{font-size:1.05rem}.ex p{font-size:.88rem;color:var(--mut)}
.ex small{font-size:.76rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);margin-top:auto;padding-top:8px}
/* steps */
.steps{display:grid;gap:0;counter-reset:s;border-top:1px solid var(--line)}
.step{counter-increment:s;padding:26px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:44px 1fr;gap:6px 14px}
.step::before{content:counter(s,decimal-leading-zero);font-weight:700;font-size:.85rem;color:var(--red);letter-spacing:.1em;padding-top:4px}
.step h3{grid-column:2}.step p{grid-column:2;color:var(--mut);font-size:.96rem}
@media(min-width:860px){.steps.row{grid-template-columns:repeat(4,1fr);border-top:0;gap:26px}.steps.row .step{display:block;border:0;border-top:1.5px solid var(--ink);padding:18px 0 0}.steps.row .step::before{display:block;margin-bottom:12px}}
/* faq */
.faq{border-top:1px solid var(--line);margin-top:26px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 4px;display:flex;justify-content:space-between;gap:20px;align-items:center;font-weight:600;font-size:1.05rem;letter-spacing:-.012em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:18px;height:18px;background:linear-gradient(var(--red),var(--red)) center/100% 1.8px no-repeat,linear-gradient(var(--red),var(--red)) center/1.8px 100% no-repeat;transition:transform .4s var(--e)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .fa{padding:0 4px 24px;color:#48484A;max-width:66ch;font-size:.98rem}
/* chips */
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.chips a,.chips span{padding:10px 18px;border-radius:999px;background:var(--soft);font-size:.9rem;font-weight:500;text-decoration:none;transition:background .3s,color .3s}
.chips a:hover{background:var(--ink);color:#fff}
.rl{margin-top:34px}.rl .eyebrow{margin-bottom:0}
/* form */
.qcard{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px 24px;box-shadow:0 30px 60px -40px rgba(0,0,0,.3)}
@media(min-width:760px){.qcard{padding:40px}}
.qcard h2{font-size:1.65rem}.qcard .qs{color:var(--mut);margin:8px 0 22px;font-size:.95rem}
.f2{display:grid;gap:14px}@media(min-width:560px){.f2{grid-template-columns:1fr 1fr}}
.fld{margin-bottom:14px}.fld label{display:block;font-size:.8rem;font-weight:600;margin-bottom:6px;color:#48484A}
input,select,textarea{width:100%;font:inherit;font-size:1rem;color:var(--ink);background:var(--soft2);border:1.5px solid var(--line);border-radius:12px;padding:13px 14px;min-height:50px;transition:border-color .25s,background .25s}
textarea{min-height:92px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--ink);background:#fff}
.hp{position:absolute;left:-9999px}
.msg{display:none;margin-top:12px;color:var(--red-d);font-size:.92rem}
.qnote{margin-top:14px;font-size:.88rem;color:var(--mut)}.qnote a{color:var(--ink);font-weight:600}
.qdone{display:none;padding:18px 0}.qdone h3{font-size:1.5rem;margin-bottom:8px}
.cform{display:grid;gap:40px;align-items:start}@media(min-width:900px){.cform{grid-template-columns:.8fr 1.2fr;gap:80px}}
.cdet{display:grid;gap:22px}.cdet b{display:block;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);margin-bottom:4px;font-weight:600}
.cdet a{font-weight:600;text-decoration:none;font-size:1.15rem;letter-spacing:-.015em}
/* band */
.band{background:var(--char);color:#fff;text-align:center;border-radius:0;padding-block:clamp(64px,9vw,110px)}
.band h2{color:#fff;max-width:18ch;margin-inline:auto}
.band p{color:#C7C7CC;margin:16px auto 0}
.band .btns{justify-content:center}
.band .btn.ln{color:#fff;border-color:#636366}.band .btn.ln:hover{border-color:#fff}
.band .btn.wa{background:transparent;color:#fff;border-color:#636366}
.band .eyebrow{color:#FF6B6F}
/* finder */
.afind{max-width:520px;margin:22px auto 0;text-align:left}
.afind label{display:block;font-size:.8rem;font-weight:600;margin-bottom:8px;color:#48484A}
.afres{margin-top:6px;border-radius:12px;overflow:hidden;border:1px solid var(--line)}.afres:empty{display:none}
.afres a{display:block;padding:14px 16px;background:#fff;text-decoration:none;font-weight:550;border-bottom:1px solid var(--line)}.afres a:last-child{border:0}.afres a:hover{background:var(--soft)}
.tgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:26px}
@media(min-width:760px){.tgrid{grid-template-columns:repeat(4,1fr)}}
.tgrid a{display:flex;justify-content:space-between;gap:8px;padding:16px 18px;border-radius:14px;background:var(--soft);text-decoration:none;font-weight:550;font-size:.95rem;transition:background .3s,color .3s}
.tgrid a::after{content:"\2192";color:var(--red)}.tgrid a:hover{background:var(--ink);color:#fff}
/* footer */
footer{background:var(--soft);padding:64px 0 28px;font-size:.9rem;color:#515154}
.ftop{display:grid;gap:36px}
@media(min-width:900px){.ftop{grid-template-columns:1.3fr repeat(4,1fr)}}
.fbrand img{width:88px;height:88px;margin-bottom:16px}
.fbrand p{font-size:.88rem;color:var(--mut);max-width:34ch}
.fcol b{display:block;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);margin-bottom:14px;font-weight:650}
.fcol a,.fcol span{display:block;text-decoration:none;padding:5px 0;color:#515154}.fcol a:hover{color:var(--red)}
.fbot{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;font-size:.82rem;color:var(--mut)}
.fbot a{text-decoration:none}
/* mobile bar */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:90;display:flex;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.9);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-top:1px solid var(--line)}
.mbar a{flex:1;min-height:50px;border-radius:999px;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.95rem;text-decoration:none;border:1.5px solid #C7C7CC;background:#fff}
.mbar a.r{background:var(--red);border-color:var(--red);color:#fff}
@media(min-width:900px){.mbar{display:none}}
/* lightbox */
.lb{position:fixed;inset:0;background:rgba(255,255,255,.96);z-index:300;display:none;align-items:center;justify-content:center;padding:24px;flex-direction:column;gap:14px;cursor:zoom-out}
.lb.open{display:flex}.lb img{max-height:82vh;max-width:min(94vw,1100px);width:auto;border-radius:16px}
.lb .lbc{font-size:.9rem;color:var(--mut);max-width:60ch;text-align:center}
.lb .x{position:absolute;top:18px;right:18px;border:0;background:var(--soft);width:44px;height:44px;border-radius:50%;font-size:1.1rem;cursor:pointer}
/* reveal */
.js .rv{opacity:0;transform:translateY(24px);transition:opacity .9s var(--e),transform .9s var(--e)}
.js .rv.in{opacity:1;transform:none}
.js .rv.d1{transition-delay:.08s}.js .rv.d2{transition-delay:.16s}.js .rv.d3{transition-delay:.24s}
.prog{position:absolute;left:0;bottom:-1px;height:2px;width:100%;background:var(--red);transform:scaleX(0);transform-origin:left}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.js .rv{opacity:1;transform:none}html{scroll-behavior:auto}}