/* Hot Springs Drains & Sewer: design system. Mobile-first: 360 base, breakpoints 640/768/1024/1280. */
:root{--p50:#F0FDFA;--p100:#CCFBF1;--p200:#99F6E4;--p300:#5EEAD4;--p400:#2DD4BF;--p500:#14B8A6;--p600:#0D9488;--p700:#0F766E;--p800:#115E59;--p900:#134E4A;
--acc:#F59E0B;--acc-h:#D97706;--on-acc:#0A2F2D;--dark:#0A2F2D;--off:#F4F8F7;--bd:#D7E3E1;--tx:#334846;--hd:#0A2F2D;
--fh:'Manrope','Segoe UI',sans-serif;--fb:'Source Sans 3','Segoe UI',sans-serif;--sec:64px;--r:20px;
--sh:0 1px 2px rgba(10,47,45,.06),0 8px 24px -8px rgba(10,47,45,.14),0 24px 48px -24px rgba(10,47,45,.16);
--sh-h:0 2px 4px rgba(10,47,45,.08),0 16px 32px -8px rgba(10,47,45,.2),0 32px 64px -24px rgba(10,47,45,.24)}
@media(min-width:1024px){:root{--sec:112px}}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px;-webkit-text-size-adjust:100%}
body{margin:0;font:400 clamp(1.0625rem,1rem + .25vw,1.125rem)/1.7 var(--fb);color:var(--tx);background:#fff;overflow-x:clip}
img,svg,video{max-width:100%;height:auto}
a{color:var(--p700);text-underline-offset:3px}
a:hover{color:var(--p800)}
:focus-visible{outline:3px solid var(--acc);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:12px;top:-70px;z-index:100;background:var(--acc);color:var(--on-acc);padding:12px 18px;border-radius:12px;font:700 1rem var(--fh)}
.skip:focus{top:12px}
h1,h2,h3{font-family:var(--fh);font-weight:800;letter-spacing:-.02em;color:var(--hd);margin:0 0 .5em}
h1{font-size:clamp(2.5rem,1.6rem + 3.6vw,4.5rem);line-height:1.04}
h2{font-size:clamp(2rem,1.5rem + 2vw,3rem);line-height:1.1}
h3{font-size:clamp(1.25rem,1.1rem + .6vw,1.5rem);line-height:1.25}
p{margin:0 0 1.1em;max-width:68ch}
ul,ol{max-width:68ch}
.wrap{width:100%;max-width:1180px;margin-inline:auto;padding-inline:20px}
@media(min-width:768px){.wrap{padding-inline:32px}}
.eyebrow{display:inline-block;margin-bottom:14px;font:700 .78rem/1 var(--fh);letter-spacing:.12em;text-transform:uppercase;color:var(--p700)}
.lead{font-size:clamp(1.15rem,1.05rem + .5vw,1.35rem);line-height:1.6}
.hl{background:linear-gradient(var(--acc),var(--acc)) 0 92%/100% .14em no-repeat;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-bottom:.05em}
.hl--grad{background:linear-gradient(90deg,var(--p300),var(--acc));-webkit-background-clip:text;background-clip:text;color:transparent}
.i{width:1.25em;height:1.25em;flex:none;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* sections: alternate white / off / tint / dark */
.sec{--sbg:#fff;position:relative;padding-block:var(--sec);background:var(--sbg)}
.sec--off{--sbg:var(--off)}
.sec--tint{--sbg:var(--p50)}
.sec--dark{--sbg:var(--dark);color:#CFE5E2}
.sec--dark h2,.sec--dark h3{color:#fff}
.sec--dark .eyebrow,.hero .eyebrow{color:var(--p300)}
.sec--dark a:not(.btn){color:var(--p300)}
.shead{max-width:760px;margin-bottom:44px}
.shead--c{margin-inline:auto;text-align:center}
.shead--c p{margin-inline:auto}
.wave{display:block;width:100%;height:clamp(36px,6vw,80px);margin-top:-1px;background:var(--from,#fff);color:var(--to,var(--off))}
.wave path{fill:currentColor}
.angle{--ang:32px;clip-path:polygon(0 var(--ang),100% 0,100% 100%,0 100%);margin-top:calc(var(--ang) * -1);padding-top:calc(var(--sec) + var(--ang))}

/* header + menu */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--bd);transition:box-shadow .2s}
.hdr.is-stuck{box-shadow:0 8px 24px -12px rgba(10,47,45,.25)}
.hdr__in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.logo{display:block;line-height:0}
.logo img,.logo svg{height:44px;width:auto}
.nav{display:none;align-items:center;gap:4px}
.nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border-radius:999px;font:600 .95rem var(--fh);color:var(--hd);text-decoration:none}
.nav a:hover,.nav a[aria-current=page]{background:var(--p50);color:var(--p700)}
.nav .btn{min-height:44px;padding:0 20px;color:var(--on-acc)}
.dd{position:relative}
.dd__p{position:absolute;top:100%;left:0;min-width:300px;padding:8px;background:#fff;border:1px solid var(--bd);border-radius:16px;box-shadow:var(--sh-h);opacity:0;visibility:hidden;transform:translateY(6px);transition:.2s}
.dd:hover .dd__p,.dd:focus-within .dd__p{opacity:1;visibility:visible;transform:none}
.dd__p a{display:flex;width:100%;border-radius:12px}
.burger{display:inline-grid;place-items:center;width:48px;height:48px;border:1px solid var(--bd);border-radius:14px;background:#fff;color:var(--hd);cursor:pointer}
@media(min-width:1024px){.nav{display:flex}.burger{display:none}}
.menu{position:fixed;inset:0;z-index:70;padding:88px 24px 40px;overflow-y:auto;background:var(--dark);color:#fff;opacity:0;visibility:hidden;transform:translateY(-10px);transition:.25s}
.menu.is-open{opacity:1;visibility:visible;transform:none}
.menu a:not(.btn){display:flex;align-items:center;min-height:52px;font:700 1.3rem var(--fh);color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.12)}
.menu small{display:block;margin:22px 0 4px;font:700 .75rem var(--fh);letter-spacing:.12em;text-transform:uppercase;color:var(--p300)}
.menu .btn{margin-top:24px}
.menu__x{position:absolute;top:14px;right:16px;width:48px;height:48px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.25);border-radius:14px;background:none;color:#fff;cursor:pointer}
.crumbs{padding-top:20px;font-size:.92rem}
.crumbs ol{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none}
.crumbs li+li::before{content:"/";margin-right:6px;opacity:.5}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:48px;padding:0 26px;border:2px solid transparent;border-radius:999px;font:700 1rem/1 var(--fh);text-decoration:none;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
@media(min-width:640px){.btn{width:auto}}
.btn--call{background:var(--acc);color:var(--on-acc);box-shadow:0 10px 24px -6px rgba(245,158,11,.55)}
.btn--call:hover{background:var(--acc-h);color:var(--on-acc);transform:translateY(-2px);box-shadow:0 0 0 6px rgba(245,158,11,.18),0 14px 30px -6px rgba(245,158,11,.6)}
.btn--ghost{background:transparent;color:var(--p700);border-color:var(--p700)}
.btn--ghost:hover{background:var(--p700);color:#fff}
.hero .btn--ghost,.sec--dark .btn--ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.hero .btn--ghost:hover,.sec--dark .btn--ghost:hover{background:#fff;color:var(--dark)}
.btn--lg{min-height:58px;padding:0 34px;font-size:1.1rem}
.btns{display:flex;flex-direction:column;gap:12px;margin-top:28px}
@media(min-width:640px){.btns{flex-direction:row;flex-wrap:wrap}}

/* hero */
.hero{position:relative;isolation:isolate;padding-block:var(--sec);color:#D6ECE9;background:radial-gradient(60% 50% at 85% 8%,rgba(45,212,191,.35),transparent 60%),radial-gradient(50% 60% at 4% 92%,rgba(245,158,11,.16),transparent 60%),radial-gradient(70% 70% at 50% 40%,var(--p800),transparent 72%),var(--dark)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;opacity:.14;mix-blend-mode:overlay;pointer-events:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>")}
.hero h1{color:#fff}
.hero__grid{display:grid;gap:40px;align-items:center}
@media(min-width:1024px){.hero__grid{grid-template-columns:1.05fr .95fr;gap:56px}}
.hero__art{position:relative;max-width:520px;margin-inline:auto}
@media(max-width:1023px){.hero__art{max-width:340px}}
.fine{margin-top:22px;font-size:.88rem;opacity:.8;max-width:56ch}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 0;padding:0;list-style:none;max-width:none}
.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(255,255,255,.1);color:#fff;font:600 .9rem var(--fh)}
.glass{padding:14px 16px;border:1px solid rgba(255,255,255,.24);border-radius:18px;background:rgba(255,255,255,.12);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);color:#fff;box-shadow:0 12px 32px -12px rgba(0,0,0,.45);font:600 .9rem/1.3 var(--fh)}
.float{position:absolute;display:none;align-items:center;gap:10px}
@media(min-width:768px){.float{display:flex}}
.float--a{top:4%;left:-4%}.float--b{bottom:16%;right:-4%}.float--c{bottom:-3%;left:6%}
@media(prefers-reduced-motion:no-preference){.float{animation:bob 6s ease-in-out infinite}.float--b{animation-delay:-2s}.float--c{animation-delay:-4s}.steam{animation:rise 7s ease-in-out infinite}}
@keyframes bob{50%{transform:translateY(-8px)}}
@keyframes rise{0%{opacity:0;transform:translateY(8px)}40%{opacity:.7}100%{opacity:0;transform:translateY(-18px)}}

/* icon tile + cards + bento */
.icon{display:grid;place-items:center;flex:none;width:52px;height:52px;border-radius:14px;background:var(--p50);color:var(--p700)}
.icon svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.card,.bcard{position:relative;display:flex;flex-direction:column;gap:12px;padding:28px;border:1px solid var(--bd);border-radius:var(--r);background:#fff;box-shadow:var(--sh);color:var(--tx);text-decoration:none;transition:transform .25s,box-shadow .25s}
.card:hover,.bcard:hover{transform:translateY(-4px);box-shadow:var(--sh-h);color:var(--tx)}
.card h3,.bcard h3{margin:0}
.card p,.bcard p{margin:0}
.bento{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:640px){.bento{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.bento{grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(200px,auto)}.bcard--big{grid-column:span 2;grid-row:span 2;padding:36px}.bcard--wide{grid-column:span 2}}
.bcard--dark{background:var(--dark);border-color:var(--p800);color:#CFE5E2}
.bcard--dark h3{color:#fff}
.bcard--dark:hover{color:#CFE5E2}
.bcard--dark .icon{background:rgba(255,255,255,.1);color:var(--p300)}
.bcard--tint{background:var(--p50)}
.go{display:inline-flex;align-items:center;gap:8px;margin-top:auto;font:700 .95rem var(--fh);color:var(--p700)}
.bcard--dark .go{color:var(--acc)}
.go svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s}
.bcard:hover .go svg{transform:translateX(4px)}
.grid2,.grid3{display:grid;gap:18px}
@media(min-width:768px){.grid2{grid-template-columns:repeat(2,1fr)}.grid3{grid-template-columns:repeat(3,1fr)}}

/* numbered process: outlined numbers on a pipe line */
.steps{counter-reset:s;position:relative;display:grid;gap:32px;margin:0;padding:0;list-style:none;max-width:none}
.steps::before{content:"";position:absolute;left:33px;top:24px;bottom:24px;width:8px;border-radius:4px;background:linear-gradient(90deg,var(--p200),var(--p400) 50%,var(--p200))}
.step{counter-increment:s;position:relative;padding-left:96px}
.step::before{content:counter(s);position:absolute;left:0;top:-8px;width:74px;padding:4px 0;text-align:center;font:800 3.4rem/1 var(--fh);color:transparent;-webkit-text-stroke:2px var(--p700);background:var(--sbg)}
.step h3{margin-bottom:.3em}
.step p{margin:0}
@media(min-width:768px){.steps{grid-template-columns:repeat(4,1fr);gap:28px}.steps::before{left:0;right:0;top:36px;bottom:auto;width:auto;height:8px}.step{padding:96px 0 0}.step::before{top:0;left:0;width:84px;text-align:left}}

/* symptom checker (tabs). Without JS: all panels visible, tab list hidden. */
.sym{display:grid;gap:18px}
@media(min-width:900px){.sym{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);align-items:start}}
.sym__list{display:none;gap:10px}
.js .sym__list{display:grid}
.sym__tab{display:flex;align-items:center;gap:12px;min-height:56px;padding:14px 18px;border:1px solid var(--bd);border-radius:16px;background:#fff;color:var(--hd);font:600 1rem/1.3 var(--fh);text-align:left;cursor:pointer;transition:.2s}
.sym__tab:hover{border-color:var(--p500)}
.sym__tab[aria-selected=true]{background:var(--p700);border-color:var(--p700);color:#fff;box-shadow:var(--sh)}
.sym__panel{padding:28px;border:1px solid var(--bd);border-radius:var(--r);background:#fff;box-shadow:var(--sh);margin-bottom:14px}
.js .sym__panel{display:none;margin:0}
.js .sym__panel.is-on{display:block}
.sym__panel h3{margin-bottom:.4em}

/* tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--bd);border-radius:var(--r);background:#fff;box-shadow:var(--sh)}
.tbl{width:100%;border-collapse:collapse;font-size:1rem;line-height:1.5}
.tbl th{padding:14px 18px;background:var(--p50);color:var(--hd);font:700 .85rem var(--fh);letter-spacing:.06em;text-transform:uppercase;text-align:left}
.tbl td{padding:14px 18px;border-top:1px solid var(--bd);vertical-align:top}
@media(max-width:639px){.tbl--stack thead{position:absolute;clip:rect(0 0 0 0);width:1px;height:1px;overflow:hidden}
.tbl--stack,.tbl--stack tbody,.tbl--stack tr,.tbl--stack td{display:block}
.tbl--stack tr{margin:0 0 12px;padding:8px 16px;border:1px solid var(--bd);border-radius:16px;background:#fff}
.tbl--stack td{padding:8px 0;border:0}
.tbl--stack td::before{content:attr(data-label);display:block;font:700 .75rem var(--fh);letter-spacing:.08em;text-transform:uppercase;color:var(--p700)}
.tbl-wrap:has(.tbl--stack){border:0;box-shadow:none;background:none}}

/* split + callouts */
.split{display:grid;gap:36px;align-items:center}
@media(min-width:900px){.split{grid-template-columns:1fr 1fr;gap:64px}.split--rev>:first-child{order:2}}
.split__art{border-radius:var(--r);overflow:hidden}
.callout{display:flex;gap:16px;margin:28px 0;padding:20px 22px;border-left:6px solid var(--p600);border-radius:16px;background:var(--p50);max-width:68ch}
.callout--warn{border-left-color:var(--acc);background:#FFF8EB}
.callout .icon{width:44px;height:44px;background:#fff}
.callout--warn .icon{color:var(--acc-h)}
.callout b{display:block;margin-bottom:2px;font-family:var(--fh);color:var(--hd)}
.callout p{margin:0}
.photos{display:grid;gap:14px;grid-template-columns:1fr 1fr}
.photos figure{position:relative;margin:0}
.photos img{display:block;width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:16px;border:1px solid var(--bd);box-shadow:var(--sh)}
.photos figcaption{position:absolute;left:10px;top:10px;padding:5px 12px;border-radius:999px;background:var(--dark);color:#fff;font:700 .78rem/1 var(--fh);letter-spacing:.08em;text-transform:uppercase}
.photos figure:last-child figcaption{background:var(--acc);color:var(--on-acc)}
.photos+.note{max-width:none;margin:10px 0 0;font-size:.9rem}

/* dark CTA band */
.cta{position:relative;isolation:isolate;overflow:hidden;text-align:center}
.cta::before{content:"";position:absolute;z-index:-1;left:50%;top:50%;width:min(900px,130%);aspect-ratio:1;transform:translate(-50%,-50%);background:radial-gradient(closest-side,rgba(245,158,11,.28),rgba(45,212,191,.12) 55%,transparent 76%);filter:blur(10px)}
.cta p{margin-inline:auto}
.cta__num{display:block;margin:18px 0;font:800 clamp(2.4rem,9vw,6.5rem)/1 var(--fh);letter-spacing:-.03em;color:#fff!important;text-decoration:none}
.cta .btns{justify-content:center}

/* FAQ accordion */
.faq{max-width:820px}
.faq details{margin-bottom:12px;border:1px solid var(--bd);border-radius:16px;background:#fff;box-shadow:var(--sh);transition:border-color .2s}
.faq details[open]{border-color:var(--p500)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;padding:16px 22px;font:700 1.08rem/1.35 var(--fh);color:var(--hd);cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:16px;height:16px;background:linear-gradient(currentColor,currentColor) center/100% 2px no-repeat,linear-gradient(currentColor,currentColor) center/2px 100% no-repeat;color:var(--p700);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details>div{padding:0 22px 20px}
.faq details p:last-child{margin:0}

/* service + location page layout */
.phero{padding-block:32px var(--sec);background:var(--p50)}
.phero h1{font-size:clamp(2.2rem,1.5rem + 3vw,3.75rem);margin-bottom:.4em}
.page{display:grid;gap:28px;padding-block:var(--sec)}
@media(min-width:1024px){.page{grid-template-columns:minmax(0,1fr) 340px;gap:56px;align-items:start}.aside{position:sticky;top:96px;display:grid;gap:18px}}
.aside{order:-1}
@media(min-width:1024px){.aside{order:0}}
.prose h2{margin-top:2em;scroll-margin-top:92px}
.prose h2:first-child{margin-top:0}
.prose li{margin-bottom:.5em}
.toc{padding:18px 20px;border:1px solid var(--bd);border-radius:var(--r);background:#fff;box-shadow:var(--sh)}
.toc summary{cursor:pointer;font:700 .8rem var(--fh);letter-spacing:.12em;text-transform:uppercase;color:var(--p700);min-height:44px;display:flex;align-items:center}
.toc ol{margin:8px 0 0;padding:0;list-style:none}
.toc a{display:block;padding:8px 12px;border-left:3px solid var(--bd);font:600 .95rem/1.3 var(--fh);color:var(--tx);text-decoration:none}
.toc a:hover,.toc a.is-on{border-left-color:var(--acc);color:var(--p700);background:var(--p50)}
@media(min-width:1024px){.toc summary{pointer-events:none}.toc summary::marker{content:""}}
.callcard{padding:26px;border-radius:var(--r);background:var(--dark);color:#CFE5E2;box-shadow:var(--sh-h)}
.callcard h3{color:#fff;font-size:1.25rem}
.callcard .num{display:block;margin:6px 0 14px;font:800 1.85rem/1 var(--fh);color:#fff;text-decoration:none}
.callcard p{font-size:.95rem}
.callcard .btn{width:100%}

/* footer */
.ftr{padding:var(--sec) 0 32px;background:var(--dark);color:#A9C7C3;font-size:1rem}
.ftr h3{margin-bottom:.7em;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--p300)}
.ftr a{color:#D6ECE9;text-decoration:none}
.ftr a:hover{color:#fff;text-decoration:underline}
.ftr ul{margin:0;padding:0;list-style:none}
.ftr li{margin-bottom:6px}
.ftr li a{display:inline-block;padding:6px 0}
.ftr__grid{display:grid;gap:36px;grid-template-columns:1fr}
@media(min-width:640px){.ftr__grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.ftr__grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.ftr__legal{margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);font-size:.9rem}

/* mobile call bar (below 768 only) */
.callbar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(10,47,45,.96);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.14)}
@media(min-width:768px){.callbar{display:none}}
@media(max-width:767px){body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}}

/* motion: content is visible without JS; .js is set by an inline head script */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.js .rv{opacity:1;transform:none}}