:root{--bg:#edf1f3;--tint:#dfe7ea;--navy:#0f3446;--navy2:#0b2735;--steel:#5f7885;--amber:#e8a317;--ink:#14262f;--line:#c3d0d6;--head:'Bricolage Grotesque',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;--body:system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font:400 17px/1.7 var(--body);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:inherit}
img,svg{max-width:100%;display:block}
h1,h2,h3{font-family:var(--head);line-height:1.1;letter-spacing:-.02em;color:var(--navy)}
h2{font-size:clamp(2rem,3.6vw,3.1rem);font-weight:700}
h3{font-size:1.25rem;font-weight:700;letter-spacing:-.01em}
p{max-width:64ch}
.wrap{max-width:1320px;margin:0 auto;padding:0 36px}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px}

/* buttons */
.btn{display:inline-block;background:var(--navy);color:#fff;font:700 .98rem var(--head);padding:15px 28px;border:2px solid var(--navy);border-radius:999px;text-decoration:none;cursor:pointer;transition:background .25s,color .25s,transform .25s}
.btn:hover{background:var(--amber);border-color:var(--amber);color:var(--navy);transform:translateY(-2px)}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn.ghost:hover{background:#fff;color:var(--navy);border-color:#fff}
.btn.amber{background:var(--amber);border-color:var(--amber);color:var(--navy)}
.btn.amber:hover{background:#fff;border-color:#fff}
.btn-sm{padding:10px 20px}

/* header */
.hd{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,box-shadow .3s}
.hd.sc{background:rgba(11,39,53,.97);box-shadow:0 2px 18px rgba(0,0,0,.18)}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font:800 1.3rem var(--head);letter-spacing:-.01em}
.mark{width:26px;height:26px;border:3px solid var(--amber);border-radius:50% 50% 50% 0;transform:rotate(-45deg)}
#nav{display:flex;align-items:center;gap:34px}
#nav a:not(.btn){color:#d8e4e9;text-decoration:none;font-weight:500;font-size:.98rem;padding:6px 0;border-bottom:2px solid transparent;transition:border-color .25s,color .25s}
#nav a:not(.btn):hover{color:#fff;border-color:var(--amber)}
#nav .btn{background:var(--amber);border-color:var(--amber);color:var(--navy)}
#nav .btn:hover{background:#fff;border-color:#fff}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;flex-direction:column;justify-content:center;gap:6px;align-items:center}
.burger span{width:26px;height:3px;background:#fff;transition:transform .3s,opacity .3s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}

/* hero */
.hero{position:relative;background:var(--navy);color:#fff;padding:190px 0 0;overflow:hidden;min-height:760px;display:flex;flex-direction:column;justify-content:space-between}
.route{position:absolute;right:0;top:0;width:68%;height:100%;opacity:.95}
.route .pipe{fill:none;stroke:#2d5468;stroke-width:16;stroke-linejoin:round}
.route .pipe-in{fill:none;stroke:var(--navy);stroke-width:6;stroke-linejoin:round}
.route .road{fill:none;stroke:var(--amber);stroke-width:5;stroke-dasharray:14 12;stroke-linecap:round;stroke-dashoffset:1200;animation:draw 3.2s .3s ease-out forwards}
.route .node{fill:var(--navy);stroke:#fff;stroke-width:4}
.route .node.big{fill:var(--amber);stroke:#fff}
.route .lbl{fill:#fff;font:700 20px var(--head)}
@keyframes draw{to{stroke-dashoffset:0}}
.hero-in{position:relative;padding-bottom:90px}
.hero h1{color:#fff;font-size:clamp(3rem,7vw,6.4rem);font-weight:800;max-width:11ch;line-height:.98}
.lead{margin:30px 0 40px;font-size:1.22rem;color:#cfdde3;max-width:46ch}
.cta{display:flex;gap:14px;flex-wrap:wrap}
.facts{position:relative;display:grid;grid-template-columns:repeat(3,1fr);background:var(--bg);color:var(--ink);border-radius:6px 6px 0 0;margin-top:0}
.facts div{padding:26px 30px;border-right:1px solid var(--line)}
.facts div:last-child{border:0}
.facts dt{font-size:.88rem;color:var(--steel);margin-bottom:2px}
.facts dd{font:700 1.15rem var(--head);color:var(--navy)}
.facts a{text-decoration:none}.facts a:hover{text-decoration:underline}

/* sections */
.sec{padding:130px 0}
.tint{background:var(--tint)}
.sec-h{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-bottom:64px}
.sec-h p{color:var(--steel);font-size:1.1rem}

/* about */
.about{display:grid;grid-template-columns:5fr 6fr;gap:80px;align-items:start}
.about-l{position:sticky;top:110px}
.truck{margin-top:40px;width:100%;border-radius:0 80px 0 0}
.big{font:500 1.55rem/1.4 var(--head);color:var(--navy);margin-bottom:28px;max-width:34ch}
.about-r>p{margin-bottom:20px}
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:44px;border-top:3px solid var(--navy)}
.trio div{padding:24px 24px 0 0}
.trio div+div{padding-left:24px;border-left:1px solid var(--line)}
.trio h3{margin-bottom:8px;font-size:1.1rem}
.trio p{font-size:.97rem;color:#3d5460}

/* services */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:56px 48px}
.svc article{border-top:3px solid var(--navy);padding-top:24px;transition:border-color .3s,transform .3s}
.svc article:hover{border-color:var(--amber);transform:translateY(-4px)}
.svc h3{margin-bottom:12px}
.svc p{color:#34505d;margin-bottom:18px}
.svc ul{display:flex;gap:8px;flex-wrap:wrap;list-style:none}
.svc li{font-size:.88rem;font-weight:600;color:var(--navy);border:1.5px solid var(--steel);border-radius:999px;padding:3px 14px}

/* process */
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:36px;position:relative;counter-reset:s}
.steps::before{content:"";position:absolute;left:0;right:0;top:28px;border-top:4px dashed var(--amber)}
.steps li{position:relative}
.steps span{display:grid;place-items:center;width:58px;height:58px;border-radius:50%;background:var(--navy);color:#fff;font:800 1.4rem var(--head);border:5px solid var(--bg);margin-bottom:22px;position:relative}
.steps h3{margin-bottom:8px}
.steps p{color:#34505d;font-size:.98rem}

/* why */
.dark{background:var(--navy2);color:#cfdde3}
.dark h2,.dark h3{color:#fff}
.why{display:grid;grid-template-columns:5fr 6fr;gap:90px;align-items:start}
.why-l{position:sticky;top:110px}
.why-l p{margin:24px 0 36px;font-size:1.12rem}
.why-r{list-style:none}
.why-r li{display:grid;grid-template-columns:44px 1fr;gap:22px;padding:30px 0;border-bottom:1px solid rgba(255,255,255,.16)}
.why-r li:first-child{padding-top:0}
.why-r svg{width:44px;height:44px;padding:9px;background:var(--amber);border-radius:50% 50% 50% 0;stroke:var(--navy);fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.why-r h3{margin-bottom:6px}

/* contact */
.contact{display:grid;grid-template-columns:5fr 6fr;gap:80px;align-items:start}
.c-info p{margin:22px 0 36px}
address{font-style:normal;background:var(--navy);color:#cfdde3;padding:30px 32px;border-left:8px solid var(--amber);display:flex;flex-direction:column;gap:6px}
address strong{font:800 1.3rem var(--head);color:#fff}
address a{color:var(--amber);font-weight:600;text-decoration:none;margin-top:8px}
address a:hover{text-decoration:underline}
.form{background:#fff;padding:44px;border-radius:4px 40px 4px 4px;box-shadow:0 18px 50px -24px rgba(15,52,70,.35)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form label{display:block;font-weight:600;font-size:.94rem;color:var(--navy);margin-bottom:20px}
.form input,.form select,.form textarea{display:block;width:100%;margin-top:7px;font:400 1rem var(--body);color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:4px;padding:13px 14px;transition:border-color .2s,background .2s}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--navy);background:#fff}
.form .bad{border-color:#b3261e}
.err{display:block;color:#b3261e;font-weight:500;min-height:0;margin-top:4px}
.status{margin-top:16px;font-weight:600;color:var(--navy)}

/* footer */
.ft{background:var(--navy2);color:#b9cad2;padding:64px 0 0;font-size:.97rem}
.ft-in{display:grid;grid-template-columns:2fr 1.4fr 1fr;gap:40px;padding-bottom:44px}
.ft strong{font:800 1.3rem var(--head);color:#fff}
.ft p{margin-top:8px}
.ft a{text-decoration:none;display:block;padding:3px 0}
.ft a:hover{color:var(--amber)}
.copy{border-top:1px solid rgba(255,255,255,.14);padding-top:22px;padding-bottom:28px;font-size:.88rem}

/* motion */
.js .rv{opacity:0;transform:translateY(12px);transition:opacity .7s ease,transform .7s ease}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.route .road{animation:none;stroke-dashoffset:0}.js .rv{opacity:1;transform:none;transition:none}}

/* responsive */
@media (max-width:1020px){
  .sec{padding:90px 0}
  .about,.why,.contact,.sec-h{grid-template-columns:1fr;gap:44px}
  .about-l,.why-l{position:static}
  .svc{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr;row-gap:44px}.steps::before{display:none}
  .route{width:100%;opacity:.45}
}
@media (max-width:820px){
  .burger{display:flex}
  #nav{position:fixed;inset:76px 0 auto;flex-direction:column;align-items:flex-start;gap:6px;background:var(--navy2);padding:20px 36px 30px;transform:translateY(-130%);transition:transform .35s ease;visibility:hidden}
  #nav.open{transform:none;visibility:visible}
  #nav a:not(.btn){padding:10px 0;font-size:1.1rem}
  #nav .btn{margin-top:10px}
  .hero{padding-top:140px;min-height:0}
  .hero-in{padding-bottom:60px}
  .facts{grid-template-columns:1fr}.facts div{border-right:0;border-bottom:1px solid var(--line)}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .svc,.steps,.trio,.row,.ft-in{grid-template-columns:1fr}
  .trio div+div{padding-left:0;border-left:0;border-top:1px solid var(--line);margin-top:20px}
  .form{padding:28px 22px}
  .big{font-size:1.3rem}
  #nav{padding:20px}
}