:root{
  --blue:#0A6FE8;
  --blue-deep:#064FA8;
  --orange:#FF7A00;
  --ink:#0d0d0d;
  --paper:#ffffff;
  --mist:#EAF2FD;
  --line:#d5dfee;
  --muted:#4a5565;
  --head:'Montserrat',system-ui,sans-serif;
  --body:'Nunito Sans',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);font-size:1.0625rem;line-height:1.6;color:var(--ink);background:var(--paper)}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
.wrap{width:min(1120px,92vw);margin-inline:auto}
h1,h2,h3{font-family:var(--head);line-height:1.08;letter-spacing:-.01em}
h2{font-size:clamp(1.9rem,4vw,2.9rem);font-weight:800}
p{max-width:62ch}

/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:.6rem}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;font-family:var(--head);font-weight:900;font-size:1.25rem;letter-spacing:.01em}
.brand img{height:46px;width:auto;mix-blend-mode:multiply}
.brand small{display:block;font-weight:700;font-size:.62rem;letter-spacing:.14em;margin-top:-2px}
nav ul{display:flex;gap:1.6rem;list-style:none;align-items:center}
nav a{text-decoration:none;font-weight:700;font-size:.95rem}
nav a:hover{color:var(--blue)}
.btn{display:inline-block;font-family:var(--head);font-weight:800;font-size:1rem;text-decoration:none;padding:.85rem 1.5rem;border-radius:6px;border:2px solid transparent;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-2px)}
.btn-orange{background:var(--orange);color:var(--ink)}
.btn-orange:hover{background:#ff8d26}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-deep)}
.btn-line{border-color:var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff}
.top .btn{padding:.55rem 1.1rem;font-size:.9rem}

/* hero */
.hero{position:relative;overflow:hidden;padding-block:clamp(3rem,8vw,6.5rem) clamp(3rem,7vw,5.5rem)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:2rem;align-items:center}
.hero h1{font-size:clamp(2.6rem,6.6vw,5rem);font-weight:900}
.hero h1 span{display:block}
.hero h1 .cool{color:var(--blue)}
.hero h1 .warm{color:var(--orange)}
.hero p.lead{margin-top:1.4rem;font-size:1.2rem;color:var(--muted)}
.hero .cta{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2rem}
.flame-wrap{position:relative;justify-self:center;width:min(100%,430px)}
.flame-wrap img{width:100%;mix-blend-mode:multiply;transform-origin:50% 100%;animation:rise 1.1s cubic-bezier(.2,.8,.2,1) both}
@keyframes rise{from{opacity:0;transform:scale(.82) translateY(24px)}to{opacity:1;transform:none}}
.hero::after{content:"";position:absolute;right:-12%;bottom:-40%;width:60%;aspect-ratio:1;background:radial-gradient(closest-side,var(--mist),transparent);z-index:-1}

/* trade strip */
.strip{background:var(--ink);color:#fff}
.strip .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem 2rem;padding-block:1.1rem;font-family:var(--head);font-weight:700;font-size:.98rem}
.strip b{color:var(--orange)}

/* services */
.services{padding-block:clamp(3.5rem,8vw,6rem)}
.services .intro{display:flex;justify-content:space-between;align-items:end;gap:2rem;flex-wrap:wrap;margin-bottom:2.6rem}
.services .intro p{color:var(--muted)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.svc{border:2px solid var(--ink);border-radius:14px;padding:1.8rem;background:#fff;display:flex;flex-direction:column;gap:1rem}
.svc:nth-child(2){background:var(--mist)}
.svc img{width:86px;height:auto;mix-blend-mode:multiply}
.svc h3{font-size:1.7rem;font-weight:800}
.svc ul{list-style:none;display:grid;gap:.5rem}
.svc li{padding-left:1.4rem;position:relative}
.svc li::before{content:"";position:absolute;left:0;top:.62em;width:.62rem;height:.62rem;border-radius:50% 50% 50% 0;transform:rotate(-45deg);background:var(--orange)}
.svc:nth-child(2) li::before{background:var(--blue)}

/* emergency */
.urgent{background:var(--blue);color:#fff;padding-block:clamp(2.6rem,6vw,4rem)}
.urgent .wrap{display:flex;flex-wrap:wrap;gap:1.5rem 3rem;align-items:center;justify-content:space-between}
.urgent h2{max-width:18ch}
.urgent p{margin-top:.8rem;opacity:.95}
.urgent .tel{font-family:var(--head);font-weight:900;font-size:clamp(1.8rem,4vw,2.8rem);text-decoration:none;display:block;margin-bottom:.8rem}
.urgent .tel:hover{color:var(--ink)}

/* how */
.how{padding-block:clamp(3.5rem,8vw,6rem)}
.how h2{margin-bottom:2.4rem}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:2.4rem;counter-reset:s;list-style:none}
.steps li{counter-increment:s;border-top:5px solid var(--ink);padding-top:1.1rem}
.steps li:nth-child(1){border-color:var(--blue)}
.steps li:nth-child(2){border-color:var(--orange)}
.steps li::before{content:counter(s);font-family:var(--head);font-weight:900;font-size:2.4rem;line-height:1;display:block;margin-bottom:.5rem}
.steps h3{font-size:1.3rem;margin-bottom:.4rem}
.steps p{color:var(--muted)}

/* about */
.about{background:var(--mist);padding-block:clamp(3.5rem,8vw,6rem)}
.about .wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:3rem;align-items:center}
.about .badge{background:#fff;border-radius:14px;padding:1.6rem;border:2px solid var(--ink)}
.about .badge img{width:100%;height:auto}
.about h2{margin-bottom:1.1rem}
.about p+p{margin-top:1rem}
.facts{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.6rem;list-style:none}
.facts li{background:#fff;border:2px solid var(--ink);border-radius:999px;padding:.35rem 1rem;font-weight:700;font-size:.95rem}

/* contact */
.contact{padding-block:clamp(3.5rem,8vw,6rem)}
.contact .wrap{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem}
.contact h2{margin-bottom:1.2rem}
.details{display:grid;gap:1.2rem;margin-top:1.8rem}
.details dt{font-family:var(--head);font-weight:800;font-size:.95rem}
.details dd a{text-decoration:none;font-size:1.2rem;font-weight:700}
.details dd a:hover{color:var(--blue)}
form{display:grid;gap:1rem;background:#fff;border:2px solid var(--ink);border-radius:14px;padding:1.8rem}
label{font-family:var(--head);font-weight:700;font-size:.9rem;display:grid;gap:.35rem}
input,select,textarea{font:inherit;padding:.75rem .85rem;border:2px solid var(--line);border-radius:8px;background:#fff;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px rgba(10,111,232,.25)}
textarea{min-height:120px;resize:vertical}
form small{color:var(--muted)}

footer{background:var(--ink);color:#fff;padding-block:2.2rem}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;align-items:center;font-size:.92rem}
footer .brand{color:#fff}
footer .brand img{mix-blend-mode:normal;background:#fff;border-radius:8px;padding:4px;height:48px}
footer a{color:#fff}

@media (max-width:860px){
  nav ul li:not(:last-child){display:none}
  .hero .wrap,.about .wrap,.contact .wrap{grid-template-columns:1fr}
  .flame-wrap{width:min(70%,300px);order:-1;justify-self:start}
  .svc-grid,.steps{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .flame-wrap img{animation:none}
  .btn{transition:none}
}
.skip{position:absolute;left:-999px;top:0;background:var(--orange);color:#000;padding:.6rem 1rem;font-weight:700;z-index:50}
.skip:focus{left:0}
html{scroll-padding-top:80px}
.details dt{color:var(--blue-deep)}
.details dd{font-size:1.1rem}
.brand small{margin-top:2px}