:root{--pipe:#0e3a40;--pipe-d:#082428;--cu:#c4672d;--cu-d:#9c4d1c;--cu-l:#e8a36f;--bone:#eef1ef;--white:#fff;--ink:#16282b;--mute:#52666a;--display:'Big Shoulders Display','Arial Narrow',sans-serif;--body:'Work Sans',system-ui,sans-serif}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:var(--body);font-size:1.06rem;line-height:1.65;color:var(--ink);background:var(--bone);overflow-x:clip}
h1,h2,h3,h4{font-family:var(--display);font-weight:800;text-transform:uppercase;line-height:.98;letter-spacing:.005em;color:var(--pipe)}
h2{font-size:clamp(2.6rem,6vw,4.4rem);margin-bottom:1rem}
a{color:var(--cu-d)}
:focus-visible{outline:3px solid var(--cu);outline-offset:3px}
.eyebrow{font-family:var(--display);font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--cu-d);font-size:1.05rem;display:block;margin-bottom:.4rem}
.btn-cu{background:var(--cu);color:#fff;font-family:var(--display);font-weight:800;text-transform:uppercase;letter-spacing:.07em;font-size:1.25rem;border-radius:0;padding:.65rem 1.6rem;border:0;box-shadow:5px 5px 0 var(--pipe-d)}
.btn-cu:hover{background:var(--cu-d);color:#fff;transform:translate(2px,2px);box-shadow:3px 3px 0 var(--pipe-d)}
.btn-line{color:#fff;border:2px solid #fff;border-radius:0;font-family:var(--display);font-weight:800;text-transform:uppercase;letter-spacing:.07em;font-size:1.25rem;padding:.55rem 1.5rem}
.btn-line:hover{background:#fff;color:var(--pipe)}
/* nav: transparent over hero, solid on scroll */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1030;padding:.7rem 0;transition:background .25s,box-shadow .25s}
.navbar.solid,.navbar.open{background:var(--pipe-d);box-shadow:0 2px 0 var(--cu)}
.navbar-brand{font-family:var(--display);font-weight:800;text-transform:uppercase;color:#fff;font-size:1.65rem;letter-spacing:.04em;line-height:1}
.navbar-brand small{display:block;font-size:.8rem;letter-spacing:.22em;color:var(--cu-l);font-weight:600}
.navbar-brand:hover{color:#fff}
.nav-link{color:#fff!important;font-family:var(--display);font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-size:1.12rem}
.nav-link:hover{color:var(--cu-l)!important}
.nav-tel{background:var(--cu);color:#fff!important;padding:.35rem 1rem!important;margin-left:.5rem}
.navbar-toggler{border:2px solid #fff;border-radius:0}
.navbar-toggler-icon{filter:invert(1)}
@media(max-width:991px){.navbar-collapse{background:var(--pipe-d);padding:1rem;margin:.6rem -.75rem -.7rem}.nav-tel{margin:.5rem 0 0;display:inline-block}}
/* hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;min-height:100vh;background:var(--pipe)}
.hero-copy{padding:9rem 4vw 4rem 8vw;display:flex;flex-direction:column;justify-content:center;color:#fff;position:relative}
.hero h1{color:#fff;font-size:clamp(3.4rem,8.6vw,8rem);margin:.3rem 0 1rem}
.hero h1 em{font-style:normal;color:var(--cu-l)}
.hero p.lead{color:#d4e2e3;max-width:34rem}
.hero-photo{background:url('img/hero.webp') center/cover;position:relative;min-height:340px}
.hero-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--pipe) 0,rgba(14,58,64,0) 22%)}
.creds{display:flex;flex-wrap:wrap;gap:.5rem 1.4rem;margin-top:2rem;font-family:var(--display);font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--cu-l);font-size:1.02rem}
.creds span:before{content:"";display:inline-block;width:.55rem;height:.55rem;border:2px solid var(--cu-l);border-radius:50%;margin-right:.5rem}
@media(max-width:900px){.hero{grid-template-columns:1fr}.hero-copy{padding:7rem 1.4rem 2.5rem}.hero-photo{min-height:260px;order:2}.hero-photo:after{background:linear-gradient(180deg,var(--pipe) 0,rgba(14,58,64,0) 25%)}}
/* signature: copper pipe run */
.pipe{display:block;width:100%;height:46px;color:var(--cu)}
.pipe-wrap{background:var(--bone);line-height:0;overflow:hidden}
.pipe-wrap.dark{background:var(--pipe)}
section{padding:5.5rem 0}
.strip{background:var(--cu);color:#fff;padding:2rem 0}
.strip .num{font-family:var(--display);font-weight:800;font-size:3.4rem;line-height:1;display:block}
.strip .lbl{font-family:var(--display);letter-spacing:.14em;text-transform:uppercase;font-weight:600}
/* services index */
.idx{border-top:3px solid var(--pipe)}
.idx details{border-bottom:2px solid rgba(14,58,64,.25)}
.idx summary{list-style:none;cursor:pointer;display:flex;align-items:baseline;gap:1rem;padding:1rem 0;font-family:var(--display);font-weight:800;text-transform:uppercase;font-size:clamp(1.9rem,4vw,3rem);color:var(--pipe);line-height:1}
.idx summary::-webkit-details-marker{display:none}
.idx summary:after{content:"+";margin-left:auto;color:var(--cu);font-size:2.4rem}
.idx details[open] summary:after{content:"–"}
.idx summary:hover{color:var(--cu-d)}
.idx details p{max-width:44rem;color:var(--mute);margin:0 0 1.2rem}
.kicker{font-family:var(--display);font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--cu-d);margin-bottom:.4rem}
/* photos */
.frame{box-shadow:12px 12px 0 var(--cu);display:block;width:100%;object-fit:cover}
.dark-sec{background:var(--pipe);color:#d4e2e3}
.dark-sec h2,.dark-sec h3{color:#fff}
.dark-sec .eyebrow{color:var(--cu-l)}
.why li{margin-bottom:1rem;padding-left:2.2rem;position:relative;list-style:none}
.why li:before{content:"";position:absolute;left:0;top:.5rem;width:1.2rem;height:.5rem;background:var(--cu);border-radius:2px}
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.gal img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;display:block}
.gal .tall{grid-row:span 2;aspect-ratio:auto}
@media(max-width:800px){.gal{grid-template-columns:repeat(2,1fr)}}
.marq{background:#fff;border-block:3px solid var(--pipe);overflow:hidden;padding:1rem 0}
.marq-track{display:flex;gap:4rem;width:max-content;animation:mq 30s linear infinite;align-items:center}
.marq img{height:64px;width:auto;flex:none}
@keyframes mq{to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.marq-track{animation:none}}
.card-c{background:#fff;padding:1.6rem;border-left:6px solid var(--cu);height:100%}
.card-c h3{font-size:1.9rem}
.lic{font-family:var(--display);letter-spacing:.1em;text-transform:uppercase;font-weight:600;color:var(--cu-l)}
.map{border:0;width:100%;height:100%;min-height:340px;box-shadow:12px 12px 0 var(--cu)}
footer{background:var(--pipe-d);color:#a9c0c2;padding:3rem 0 1.5rem;font-size:.95rem}
footer a{color:#fff}
footer .chip{background:#fff;padding:.4rem .8rem;display:inline-block}
footer .chip img{height:64px;width:auto;display:block}
.powered{font-family:var(--display);letter-spacing:.12em;text-transform:uppercase}