/* Hutton Plumbing — shared layout, nav, and motion. */

*{margin:0;padding:0;box-sizing:border-box}
html,body{overflow-x:clip;overflow-x:hidden;background:var(--canvas);color:var(--text-primary)}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;position:relative}

body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(ellipse 55% 38% at 85% -8%,rgba(196,122,74,.12),transparent 62%),
    radial-gradient(ellipse 48% 32% at 8% 108%,rgba(70,120,160,.08),transparent 60%),
    var(--canvas);
  animation:envDrift 72s ease-in-out infinite alternate}
@keyframes envDrift{
  from{filter:hue-rotate(0deg) brightness(1)}
  to{filter:hue-rotate(8deg) brightness(1.04)}
}
@media (prefers-reduced-motion:reduce){body::before{animation:none}}

h1,h2,h3{font-family:var(--font-display);font-weight:700;letter-spacing:-.02em;line-height:1.05}
h1{font-size:clamp(34px,4.6vw,64px)}
h2{font-size:clamp(26px,3vw,42px)}
h3{font-size:clamp(17px,1.5vw,21px);letter-spacing:0}
p{max-width:56ch;color:var(--text-secondary)}
a{color:inherit}
img,svg,video{max-width:100%;display:block}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:var(--accent-ink);padding:10px 18px;z-index:100}
.skip:focus{left:0}

.wrap{max-width:1240px;margin:0 auto;padding-left:5vw;padding-right:5vw}
section{padding:clamp(64px,9vw,120px) 0}

.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12.5px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.eyebrow::before{content:"";width:22px;height:1.5px;background:var(--accent)}

.copper-rule{display:block;width:56px;height:3px;background:linear-gradient(90deg,var(--accent),transparent);
  transform-origin:left center;transform:scaleX(0);margin-top:16px}
.rv.in .copper-rule{transform:scaleX(1);transition:transform .9s var(--ease-out) .15s}

.site-nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:30px;
  padding:0 5vw;height:72px;background:rgba(12,18,24,.78);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)}
.site-nav__brand{margin-right:auto;font-family:var(--font-display);font-weight:700;font-size:18px;
  letter-spacing:-.01em;text-decoration:none;color:var(--text-primary)}
.site-nav__brand b{color:var(--accent)}
.site-nav__menu{display:flex;align-items:center;gap:26px;list-style:none}
.site-nav__menu a{text-decoration:none;font-size:14px;font-weight:500;color:var(--text-secondary);
  transition:color .25s var(--ease)}
.site-nav__menu a:hover{color:var(--text-primary)}
.site-nav__cta{color:var(--accent-ink) !important;font-family:var(--font-mono) !important;font-weight:600 !important;
  font-size:12.5px !important;letter-spacing:.06em;text-transform:uppercase;background:var(--accent);
  padding:9px 16px;border-radius:2px;transition:background .25s var(--ease),transform .25s var(--ease)}
.site-nav__cta:hover{background:var(--accent-hover);transform:translateY(-1px)}
.site-nav__toggle{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;
  flex-direction:column;justify-content:center;align-items:center;gap:5px}
.site-nav__toggle span{display:block;width:22px;height:2px;background:var(--text-primary)}
@media (max-width:880px){
  .site-nav__toggle{display:flex}
  .site-nav__menu{position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--panel);border-bottom:1px solid var(--line);max-height:0;overflow:hidden;
    transition:max-height .4s var(--ease)}
  .site-nav__menu.open{max-height:70vh}
  .site-nav__menu li{border-top:1px solid var(--line)}
  .site-nav__menu a{display:block;padding:16px 6vw}
  .site-nav__cta{margin:14px 6vw;display:inline-block}
}

.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);text-decoration:none;
  font-family:var(--font-mono);font-weight:600;font-size:13px;letter-spacing:.05em;text-transform:uppercase;
  padding:16px 30px;border:0;border-radius:2px;cursor:pointer;transition:transform .3s var(--ease),background .3s var(--ease)}
.btn:hover{background:var(--accent-hover);transform:translateY(-2px)}
.btn:focus-visible{outline:2px solid var(--text-primary);outline-offset:3px}
.btn.ghost{background:transparent;color:var(--text-primary);box-shadow:inset 0 0 0 1.5px var(--line-strong)}
.btn.ghost:hover{box-shadow:inset 0 0 0 1.5px var(--accent);color:var(--accent)}
@media (pointer:coarse){.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center}}

.rv .part{opacity:0;transform:translate3d(0,20px,0)}
.rv.in .part{opacity:1;transform:translate3d(0,0,0);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
.rv.in .part:nth-child(2){transition-delay:.09s}
.rv.in .part:nth-child(3){transition-delay:.18s}
.rv.in .part:nth-child(4){transition-delay:.27s}
.rv.in .part:nth-child(5){transition-delay:.36s}
.rv.in:not(.done) .part{will-change:transform,opacity}

@media (prefers-reduced-motion:reduce){
  .rv .part{opacity:1 !important;transform:none !important;transition:none !important}
  .copper-rule{transform:scaleX(1) !important;transition:none !important}
}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:48px}
.step{border-top:2px solid var(--line-strong);padding-top:18px}
.step:hover{border-top-color:var(--accent)}
.step__num{font-family:var(--font-mono);font-size:12.5px;color:var(--accent);letter-spacing:.08em}
.step h3{margin-top:10px;color:var(--text-primary)}
.step p{margin-top:8px;font-size:15px}
@media (max-width:880px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}

.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);margin-top:44px}
.service-grid__cell{background:var(--canvas);padding:26px 22px;transition:background .25s var(--ease)}
.service-grid__cell:hover{background:var(--panel)}
.service-grid__cell h3{margin-bottom:8px}
.service-grid__cell p{font-size:15px;max-width:36ch}
@media (max-width:820px){.service-grid{grid-template-columns:1fr}}

.cta-band{background:var(--panel);border:1px solid var(--line);border-radius:4px;
  padding:clamp(36px,6vw,64px);margin-top:16px}
.cta-band p{max-width:52ch;margin:14px 0 0}
.cta-band .btn{margin-top:28px}
.cta-band__row{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(28px,5vw,56px);align-items:start}
@media (max-width:820px){.cta-band__row{grid-template-columns:1fr}}

.form{display:flex;flex-direction:column;gap:14px}
.form label{display:flex;flex-direction:column;gap:6px;font-family:var(--font-mono);font-size:11.5px;
  letter-spacing:.08em;text-transform:uppercase;color:var(--text-tertiary)}
.form input,.form textarea{font:inherit;font-size:15px;color:var(--text-primary);background:var(--canvas);
  border:1px solid var(--line-strong);border-radius:2px;padding:12px 14px;letter-spacing:0;text-transform:none}
.form input:focus,.form textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
.form__honeypot{position:absolute;left:-9999px;opacity:0;height:0;width:0;overflow:hidden}
.form__ok{display:none;margin-top:16px;padding:14px 16px;border:1px solid var(--accent);
  background:var(--accent-muted);color:var(--text-primary);font-size:15px}
.form.is-sent .form__ok{display:block}
.form.is-sent .form__fields{display:none}

.site-footer{border-top:1px solid var(--line);padding:44px 5vw;display:flex;flex-wrap:wrap;
  gap:20px;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--text-tertiary)}
.site-footer a{color:var(--text-secondary);text-decoration:none}
.site-footer a:hover{color:var(--accent)}
.site-footer__links{display:flex;gap:20px;flex-wrap:wrap}