@font-face{font-family:"Barlow Condensed";src:url("/fonts/barlow-condensed-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
:root{
  --ghisa:#1F4D3A;
  --ghisa-deep:#163A2B;
  --ottone:#E0A526;
  --ottone-light:#F2C55C;
  --ottone-dark:#B9831A;
  --pietra:#ECEEEA;
  --ink:#14231B;
  --muted:#4A5A51;
  --line:#CDD3CE;
  --acqua:#8CCBEA;
  --white:#FFFFFF;
  --display:"Barlow Condensed","Arial Narrow","Roboto Condensed",sans-serif;
  --body:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --wrap:1120px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--body);font-size:1.0625rem;line-height:1.6;color:var(--ink);background:var(--white)}
img,svg{display:block;max-width:100%}
a{color:var(--ghisa)}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.05;margin:0;letter-spacing:.005em}
h2{font-size:clamp(2rem,4.6vw,3rem)}
h3{font-size:1.5rem}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
:focus-visible{outline:3px solid var(--ottone);outline-offset:3px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ottone);color:var(--ink);padding:8px 14px;z-index:100;border-radius:6px}
.skip:focus{left:12px}

/* Header */
.top{background:var(--white);border-bottom:1px solid var(--line)}
.top__in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand__mark{width:38px;height:38px;flex:none}
.brand__txt{display:flex;flex-direction:column;line-height:1.1}
.brand__name{font-family:var(--display);font-size:1.45rem}
.brand__sub{font-size:.85rem;color:var(--muted)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 1rem/1 var(--body);padding:12px 18px;border-radius:8px;border:2px solid transparent;text-decoration:none;cursor:pointer}
.btn--brass{background:var(--ottone);color:var(--ink);box-shadow:inset 0 -3px 0 var(--ottone-dark)}
.btn--brass:hover{background:var(--ottone-light)}
.btn--line{background:var(--white);color:var(--ink);border-color:var(--ink)}
.btn--line:hover{background:var(--pietra)}
.btn svg{width:18px;height:18px}

/* Hero */
.hero{background:var(--ghisa);color:var(--white);overflow:hidden}
.hero__in{display:grid;grid-template-columns:1fr;gap:32px;padding-top:44px;padding-bottom:52px}
.hero h1{font-size:clamp(2.75rem,8.2vw,5rem);max-width:12ch}
.lead{margin-top:18px;font-size:1.15rem;max-width:44ch;color:#E3ECE6}
.hero__note{margin-top:14px;color:#E3ECE6;font-size:.98rem}
.facts{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:.95rem}
.facts li{display:flex;align-items:center;gap:8px}
.facts li::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--ottone);flex:none}
.hero__art{display:none}

/* Brass plate (call button) */
.plate{position:relative;display:inline-flex;flex-direction:column;margin-top:28px;padding:14px 46px 16px;background:var(--ottone);color:var(--ink);text-decoration:none;border-radius:10px;box-shadow:inset 0 2px 0 var(--ottone-light),inset 0 -5px 0 var(--ottone-dark),0 10px 24px rgba(10,30,20,.35)}
.plate::before,.plate::after{content:"";position:absolute;top:50%;width:12px;height:12px;margin-top:-6px;border-radius:50%;background:radial-gradient(circle at 35% 35%,var(--ottone-light),var(--ottone-dark) 70%);box-shadow:inset 0 0 0 1px rgba(20,35,27,.35)}
.plate::before{left:16px}
.plate::after{right:16px}
.plate__label{display:flex;align-items:center;gap:8px;font-weight:600;font-size:1rem}
.plate__label svg{width:18px;height:18px}
.plate__num{font-family:var(--display);font-size:clamp(2.6rem,10vw,3.6rem);line-height:1;letter-spacing:.03em;margin-top:4px}
.plate:hover{background:var(--ottone-light)}

/* First aid */
.aid-sec{background:var(--pietra);padding:52px 0}
.aid-sec h2{max-width:22ch}
.aid{list-style:none;counter-reset:aid;margin:28px 0 0;padding:0;display:grid;gap:18px}
.aid li{counter-increment:aid;display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start;max-width:62ch}
.aid li::before{content:counter(aid);display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--ghisa);color:var(--white);font:700 1.4rem/1 var(--display)}
.aid strong{display:block}

/* Services */
.svc-sec{padding:64px 0}
.section-lead{margin-top:12px;color:var(--muted);max-width:56ch}
.svc{list-style:none;margin:34px 0 0;padding:0;display:grid;grid-template-columns:1fr;gap:28px 32px}
.svc li{border-top:5px solid var(--ghisa);padding-top:14px}
.svc p{margin-top:6px;color:var(--muted)}
.svc-cta{margin-top:40px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px}

/* Steps on a pipe */
.steps-sec{background:var(--pietra);padding:60px 0}
.pipe{list-style:none;margin:34px 0 0;padding:0;position:relative;display:grid;gap:30px}
.pipe::before{content:"";position:absolute;left:24px;top:24px;bottom:24px;width:10px;margin-left:-5px;background:linear-gradient(90deg,var(--ottone-dark),var(--ottone-light) 45%,var(--ottone) 60%,var(--ottone-dark));border-radius:5px}
.pipe li{position:relative;display:grid;grid-template-columns:48px 1fr;gap:18px;align-items:start}
.joint{position:relative;z-index:1;display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--ghisa);color:var(--white);font:700 1.5rem/1 var(--display);box-shadow:0 0 0 5px var(--ottone)}
.pipe h3{margin-top:8px}
.pipe p{margin-top:6px;color:var(--muted);max-width:34ch}

/* Zone */
.zone-sec{padding:64px 0}
.zone__cols{display:grid;grid-template-columns:1fr;gap:32px;margin-top:30px}
.zone h3{font-size:1.35rem;padding-bottom:8px;border-bottom:1px solid var(--line)}
.names{list-style:none;margin:14px 0 0;padding:0;columns:2;column-gap:24px}
.names li{padding:4px 0;break-inside:avoid}
.zone__note{margin-top:30px;font-weight:600}
.zone__note a{white-space:nowrap}

/* FAQ */
.faq-sec{background:var(--pietra);padding:60px 0}
.faq{margin-top:26px;max-width:760px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 0;font-weight:600;font-size:1.08rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:14px;height:14px;background:linear-gradient(var(--ghisa),var(--ghisa)) center/14px 3px no-repeat,linear-gradient(var(--ghisa),var(--ghisa)) center/3px 14px no-repeat;transition:transform .2s ease}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 20px;color:var(--muted);max-width:64ch}

/* Final CTA */
.final{background:var(--ghisa);color:var(--white);padding:60px 0 64px}
.final p{margin-top:12px;color:#E3ECE6;font-size:1.1rem}

/* Footer */
.foot{background:var(--ghisa-deep);color:#C9D6CE;font-size:.92rem;padding:34px 0 40px}
.foot__in{display:grid;gap:18px}
.foot strong{color:var(--white)}
.foot a{color:#E3ECE6}
.foot ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 20px}

/* Mobile call bar */
.callbar{position:fixed;left:0;right:0;bottom:0;z-index:40;display:flex;align-items:center;justify-content:center;gap:10px;min-height:60px;background:var(--ottone);color:var(--ink);font:700 1.5rem/1 var(--display);letter-spacing:.02em;text-decoration:none;box-shadow:0 -4px 16px rgba(10,30,20,.25),inset 0 2px 0 var(--ottone-light)}
.callbar svg{width:22px;height:22px}
body{padding-bottom:60px}

/* Cookie */
.cookie{position:fixed;z-index:60;left:12px;right:12px;bottom:72px;background:var(--white);color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:18px 18px 16px;box-shadow:0 12px 32px rgba(10,30,20,.25);font-size:.92rem;max-width:380px}
.cookie[hidden]{display:none}
.cookie__title{font-weight:700;font-size:1rem;padding-right:28px}
.cookie p{margin-top:6px}
.cookie__btns{display:flex;gap:10px;margin-top:14px}
.cookie__btns .btn{flex:1;padding:10px 12px}
.cookie__x{position:absolute;top:8px;right:8px;width:36px;height:36px;border:0;background:none;font-size:1.5rem;line-height:1;cursor:pointer;color:var(--muted);border-radius:6px}
.cookie-fab{position:fixed;z-index:50;left:12px;bottom:72px;width:44px;height:44px;border-radius:50%;border:0;background:var(--white);box-shadow:0 4px 14px rgba(10,30,20,.3);display:grid;place-items:center;cursor:pointer;padding:0}
.cookie-fab[hidden]{display:none}
.cookie-fab svg{width:24px;height:24px}

@media (min-width:640px){
  .svc{grid-template-columns:1fr 1fr}
  .zone__cols{grid-template-columns:1fr 1fr}
  .names{columns:2}
}
@media (min-width:880px){
  .top__call{display:inline-flex}
  .hero__in{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);align-items:center;padding-top:64px;padding-bottom:72px}
  .hero__art{display:block}
  .aid{grid-template-columns:repeat(3,1fr);gap:28px}
  .aid li{grid-template-columns:1fr;gap:12px}
  .svc{grid-template-columns:repeat(4,1fr)}
  .pipe{grid-template-columns:repeat(3,1fr);gap:28px}
  .pipe::before{left:24px;right:calc((100% - 56px) / 3 - 24px);top:24px;bottom:auto;width:auto;height:10px;margin:-5px 0 0;background:linear-gradient(180deg,var(--ottone-dark),var(--ottone-light) 45%,var(--ottone) 60%,var(--ottone-dark))}
  .pipe li{grid-template-columns:1fr;gap:14px}
  .names{columns:3}
  .foot__in{grid-template-columns:1.2fr 1fr;align-items:start}
  .callbar{display:none}
  body{padding-bottom:0}
  .cookie{left:16px;right:auto;bottom:16px}
  .cookie-fab{left:16px;bottom:16px}
}
@media (max-width:879px){
  .top__call{display:none}
}
@media (max-width:380px){
  .plate{padding-left:38px;padding-right:38px}
  .plate::before{left:12px}
  .plate::after{right:12px}
}

/* One page-load moment: the drop forms under the valve outlet */
.drop{transform-box:fill-box;transform-origin:50% 0;animation:drip 1.4s cubic-bezier(.5,0,.75,0) .5s both}
@keyframes drip{0%{transform:translateY(-34px) scale(.3);opacity:0}55%{opacity:1}100%{transform:none;opacity:1}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .drop{animation:none}
  .faq summary::after{transition:none}
}

/* Header navigation */
.top__right{display:flex;align-items:center;gap:18px}
.top__link{font-weight:600;color:var(--ink);text-decoration:none;padding:6px 2px;border-bottom:3px solid transparent}
.top__link:hover,.top__link[aria-current="page"]{border-bottom-color:var(--ottone)}

/* Home: tips from the blog */
.tips-sec{padding:0 0 64px}
.tips{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:26px}
.tips li{border-top:5px solid var(--ghisa);padding-top:14px}
.tips h3 a{color:var(--ink);text-decoration:none}
.tips h3 a:hover{text-decoration:underline;text-decoration-color:var(--ottone);text-decoration-thickness:3px;text-underline-offset:4px}
.tips p{margin-top:6px;color:var(--muted)}
.tips-all{display:inline-block;margin-top:26px;font-weight:600}

/* Blog page head */
.page-head{background:var(--pietra);padding:30px 0 40px}
.page-head h1{font-size:clamp(2.4rem,6.6vw,3.9rem);max-width:20ch}
.page-lead{margin-top:14px;font-size:1.12rem;max-width:58ch;color:var(--muted)}
.crumbs ol{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-wrap:wrap;gap:6px;font-size:.92rem;color:var(--muted)}
.crumbs li+li::before{content:"/";margin-right:6px;color:#9AA59E}
.crumbs a{color:var(--muted)}
.post-meta{margin-top:16px;display:flex;flex-wrap:wrap;gap:4px 20px;font-size:.95rem;color:var(--muted)}

/* Blog index */
.blog-sec{padding:44px 0 64px}
.posts{list-style:none;margin:0;padding:0;max-width:780px}
.posts li{border-top:5px solid var(--ghisa);padding:20px 0 30px}
.posts time{font-size:.92rem;color:var(--muted)}
.posts h2{font-size:clamp(1.75rem,4vw,2.3rem);margin-top:6px}
.posts h2 a{color:var(--ink);text-decoration:none}
.posts h2 a:hover{text-decoration:underline;text-decoration-color:var(--ottone);text-decoration-thickness:3px;text-underline-offset:5px}
.posts p{margin-top:8px;color:var(--muted);max-width:62ch}
.posts .more{display:inline-block;margin-top:12px;font-weight:600}

/* Article body */
.prose{max-width:68ch;padding:36px 0 56px}
.prose>*+*{margin-top:1.05em}
.prose h2{font-size:clamp(1.75rem,3.8vw,2.3rem);margin-top:1.7em}
.prose ul,.prose ol{padding-left:1.3em}
.prose li+li{margin-top:.5em}
.prose li::marker{color:var(--ottone-dark);font-weight:700}
.callout{margin:2em 0;background:var(--ghisa);color:var(--white);border-radius:12px;padding:22px 22px 26px}
.callout__title{font:700 1.75rem/1.1 var(--display);color:var(--white)}
.callout p{color:#E3ECE6}
.callout .plate{margin-top:18px}
.callout .plate__num{font-size:clamp(2.2rem,8vw,2.8rem)}
.note{border-left:5px solid var(--ottone);padding:4px 0 4px 16px;color:var(--muted)}

/* Related articles */
.related{background:var(--pietra);padding:44px 0 52px}
.related ul{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:14px}
.related a{font:700 1.45rem/1.15 var(--display);color:var(--ink)}

@media (min-width:880px){
  .tips{grid-template-columns:repeat(3,1fr);gap:32px}
  .related ul{grid-template-columns:repeat(2,1fr);gap:18px 32px}
}
.prose>h2:first-child{margin-top:0}
.callout__title+p{margin-top:6px}