:root{
  --ink:#0E1B24;
  --ink-panel:#152531;
  --cloud:#FAFBFC;
  --paper:#EEF2F4;
  --flame:#23A6D8;
  --flame-bright:#63D3F5;
  --brass:#C97A3D;
  --brass-bright:#E39A5C;
  --slate:#54626B;
  --slate-light:#93A2AA;
  --line-dark:rgba(255,255,255,0.1);
  --line-light:rgba(14,27,36,0.09);
  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'JetBrains Mono', monospace;
  --ease:cubic-bezier(.16,.84,.44,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--cloud);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;}
img{max-width:100%;display:block;}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px;}
:focus-visible{outline:3px solid var(--brass);outline-offset:3px;}

/* ---------- reveal-on-scroll ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease), transform .7s var(--ease);}
.reveal.in{opacity:1;transform:translateY(0);}
.reveal-stagger > *{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease), transform .6s var(--ease);}
.reveal-stagger.in > *{opacity:1;transform:translateY(0);}
.reveal-stagger.in > *:nth-child(1){transition-delay:.03s;}
.reveal-stagger.in > *:nth-child(2){transition-delay:.12s;}
.reveal-stagger.in > *:nth-child(3){transition-delay:.21s;}
.reveal-stagger.in > *:nth-child(4){transition-delay:.30s;}
@media (prefers-reduced-motion:reduce){
  .reveal,.reveal-stagger > *{opacity:1;transform:none;transition:none;}
}

/* ---------- NAV ---------- */
header.site{
  position:sticky;top:0;z-index:50;
  background:rgba(14,27,36,0.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-dark);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:15px 24px;}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);color:var(--cloud);text-decoration:none;font-size:1.12rem;font-weight:600;letter-spacing:-0.01em;}
.brand .mark{width:28px;height:28px;flex:none;}
nav.links{display:flex;gap:30px;align-items:center;}
nav.links a{color:var(--slate-light);text-decoration:none;font-size:0.92rem;font-weight:500;transition:color .15s ease;position:relative;}
nav.links a:not(.nav-cta):after{
  content:"";position:absolute;left:0;bottom:-4px;width:0;height:1px;background:var(--flame-bright);
  transition:width .25s var(--ease);
}
nav.links a:not(.nav-cta):hover{color:var(--cloud);}
nav.links a:not(.nav-cta):hover:after{width:100%;}
.nav-cta{
  background:var(--brass);color:var(--ink)!important;padding:9px 18px;border-radius:100px;
  font-weight:600;font-family:var(--font-mono);font-size:0.78rem;letter-spacing:0.01em;
  transition:background .15s ease, transform .15s ease;
}
.nav-cta:hover{background:var(--brass-bright);transform:translateY(-1px);}
.menu-btn{display:none;background:none;border:none;color:var(--cloud);font-size:1.5rem;cursor:pointer;}
@media (max-width:800px){
  nav.links{
    position:absolute;top:100%;left:0;right:0;background:var(--ink);
    flex-direction:column;align-items:flex-start;padding:6px 24px 22px;gap:16px;display:none;
    border-bottom:1px solid var(--line-dark);
  }
  nav.links.open{display:flex;}
  .menu-btn{display:block;}
}

/* ---------- FLOW DIVIDER (signature motif) ---------- */
.flow-divider{display:block;width:100%;height:34px;overflow:visible;}
.flow-divider .track{stroke:var(--line-light);stroke-width:1.5;}
.flow-divider.on-dark .track{stroke:var(--line-dark);}
.flow-divider .pulse{
  stroke:var(--flame);stroke-width:1.5;stroke-dasharray:8 220;
  animation:flow 3.4s linear infinite;
}
.flow-divider .node{fill:var(--brass);}
@keyframes flow{ to{ stroke-dashoffset:-228; } }
@media (prefers-reduced-motion:reduce){ .flow-divider .pulse{animation:none;} }

/* ---------- HERO ---------- */
.hero{
  background:
    radial-gradient(ellipse 700px 420px at 82% -10%, rgba(35,166,216,0.28), transparent 60%),
    linear-gradient(175deg, var(--ink) 0%, #0A151C 100%);
  color:var(--cloud);
  padding:80px 0 0;
  position:relative;
  overflow:hidden;
}
.hero .wrap{display:grid;grid-template-columns:1.15fr 0.85fr;gap:40px;align-items:center;padding-bottom:64px;}
.eyebrow{
  font-family:var(--font-mono);color:var(--flame-bright);font-size:0.76rem;letter-spacing:0.16em;
  text-transform:uppercase;margin:0 0 18px;display:flex;align-items:center;gap:10px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--flame-bright);animation:pulse 2.2s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(99,211,245,.55);}70%{box-shadow:0 0 0 9px rgba(99,211,245,0);}100%{box-shadow:0 0 0 0 rgba(99,211,245,0);}}
h1{
  font-family:var(--font-display);font-weight:600;font-size:clamp(2.3rem,4.6vw,3.7rem);
  line-height:1.04;margin:0 0 22px;letter-spacing:-0.02em;
}
h1 .line{display:block;overflow:hidden;}
h1 .line span{display:block;transform:translateY(110%);animation:rise .8s var(--ease) forwards;}
h1 .line:nth-child(1) span{animation-delay:.05s;}
h1 .line:nth-child(2) span{animation-delay:.18s;}
@keyframes rise{to{transform:translateY(0);}}
h1 em{font-style:normal;color:var(--flame-bright);}
.hero p.lead{font-size:1.08rem;color:var(--slate-light);max-width:46ch;margin:0 0 32px;opacity:0;animation:fadeUp .8s var(--ease) .5s forwards;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;opacity:0;animation:fadeUp .8s var(--ease) .65s forwards;}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:translateY(0);}}
@media (prefers-reduced-motion:reduce){
  h1 .line span{animation:none;transform:none;}
  .hero p.lead,.hero-ctas{animation:none;opacity:1;}
}

.btn{
  display:inline-flex;align-items:center;gap:8px;padding:14px 26px;font-family:var(--font-mono);
  font-weight:500;font-size:0.84rem;letter-spacing:0.01em;text-decoration:none;border-radius:100px;
  transition:transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn-primary{background:var(--brass);color:var(--ink);}
.btn-primary:hover{background:var(--brass-bright);transform:translateY(-2px);box-shadow:0 10px 24px -8px rgba(201,122,61,.5);}
.btn-ghost{border:1px solid var(--line-dark);color:var(--cloud);}
.btn-ghost:hover{border-color:var(--flame-bright);color:var(--flame-bright);transform:translateY(-2px);}
.btn-ghost.on-light{border-color:var(--line-light);color:var(--ink);}
.btn-ghost.on-light:hover{border-color:var(--flame);color:var(--flame);}

/* ---------- PIPE DIAGRAM (hero signature) ---------- */
.pipe-wrap{display:flex;align-items:center;justify-content:center;}
.pipe{width:100%;max-width:360px;}
.pipe .duct{fill:none;stroke:#22323D;stroke-width:14;stroke-linecap:round;stroke-linejoin:round;}
.pipe .flow{
  fill:none;stroke:var(--flame);stroke-width:3;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:10 14;animation:pipeflow 1.8s linear infinite;
}
@keyframes pipeflow{to{stroke-dashoffset:-48;}}
.pipe .joint{fill:var(--ink-panel);stroke:var(--line-dark);stroke-width:2;}
.pipe .valve{fill:var(--brass);}
.pipe .flame-body{transform-origin:center bottom;animation:flicker 2.4s ease-in-out infinite;}
@keyframes flicker{
  0%,100%{transform:scale(1,1);}
  30%{transform:scale(0.95,1.05) translateY(-1px);}
  60%{transform:scale(1.05,0.94) translateY(1px);}
  80%{transform:scale(0.98,1.02);}
}
.pipe .readout{font-family:var(--font-mono);font-size:11px;fill:var(--slate-light);letter-spacing:1px;}
.pipe .readout.hot{fill:var(--flame-bright);}
@media (prefers-reduced-motion:reduce){
  .pipe .flow{animation:none;}
  .pipe .flame-body{animation:none;}
}
@media (max-width:800px){
  .hero .wrap{grid-template-columns:1fr;}
  .pipe-wrap{order:-1;max-width:230px;margin:0 auto 8px;}
}

/* ---------- STRIP ---------- */
.strip{background:#0A151C;border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);padding:22px 0;}
.strip .wrap{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;}
.strip-item{display:flex;align-items:baseline;gap:8px;color:var(--slate-light);font-size:0.86rem;}
.strip-item b{font-family:var(--font-display);color:var(--cloud);font-size:1.35rem;font-weight:600;}

/* ---------- SECTIONS ---------- */
section{padding:100px 0;}
.section-head{max-width:640px;margin:0 0 52px;}
.section-head .eyebrow{color:var(--brass);}
.section-head .eyebrow .dot{background:var(--brass);animation:none;}
h2{font-family:var(--font-display);font-size:clamp(1.75rem,3vw,2.5rem);font-weight:600;margin:0 0 14px;letter-spacing:-0.01em;color:var(--ink);}
.section-head p{color:var(--slate);font-size:1.03rem;max-width:56ch;}

/* ---------- SERVICES ---------- */
.services{background:var(--cloud);}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.service-card{
  background:var(--paper);padding:34px 28px;border-radius:16px;position:relative;overflow:hidden;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.service-card::before{
  content:"";position:absolute;inset:0;border-radius:16px;padding:1px;
  background:linear-gradient(135deg, var(--flame), transparent 40%);
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .3s ease;
}
.service-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px -18px rgba(14,27,36,.25);}
.service-card:hover::before{opacity:1;}
.service-card .psi{font-family:var(--font-mono);font-size:0.72rem;color:var(--flame);letter-spacing:0.1em;display:block;margin-bottom:18px;}
.service-card h3{font-family:var(--font-display);font-size:1.18rem;font-weight:600;margin:0 0 12px;color:var(--ink);}
.service-card p{color:var(--slate);font-size:0.94rem;margin:0;}
@media (max-width:800px){.service-grid{grid-template-columns:1fr;}}

/* ---------- ABOUT ---------- */
.about{background:var(--paper);}
.about .wrap{display:grid;grid-template-columns:0.9fr 1.1fr;gap:60px;align-items:start;}
.about-visual{background:var(--ink);border-radius:16px;padding:34px;color:var(--cloud);}
.about-visual .cap{font-family:var(--font-mono);color:var(--flame-bright);font-size:0.7rem;letter-spacing:0.14em;text-transform:uppercase;margin-bottom:18px;display:block;}
.coverage-row{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line-dark);font-family:var(--font-mono);font-size:0.85rem;}
.coverage-row:last-child{border-bottom:none;}
.coverage-row span:first-child{color:var(--slate-light);}
.coverage-row span:last-child{color:var(--flame-bright);}
.about-copy p{color:var(--slate);font-size:1.02rem;margin:0 0 18px;}
.about-copy p:first-child{font-size:1.15rem;color:var(--ink);font-weight:500;}

/* ---------- PROCESS ---------- */
.process{background:#0A151C;color:var(--cloud);}
.process .section-head p{color:var(--slate-light);}
.process .section-head .eyebrow{color:var(--flame-bright);}
.process-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.process-item{padding:30px 26px;border:1px solid var(--line-dark);border-radius:16px;transition:border-color .25s ease, transform .25s ease;}
.process-item:hover{border-color:var(--flame);transform:translateY(-4px);}
.process-item .num{font-family:var(--font-mono);color:var(--flame);font-size:0.8rem;display:block;margin-bottom:14px;}
.process-item h4{font-family:var(--font-display);font-weight:600;font-size:1.05rem;margin:0 0 8px;}
.process-item p{color:var(--slate-light);font-size:0.9rem;margin:0;}
@media (max-width:800px){.process-list{grid-template-columns:1fr;}}

/* ---------- CONTACT ---------- */
.contact{background:var(--cloud);}
.contact .wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;}
.contact-card{background:var(--ink);color:var(--cloud);padding:42px;border-radius:20px;}
.contact-card h3{font-family:var(--font-display);font-size:1.3rem;font-weight:600;margin:0 0 22px;}
.contact-line{display:flex;align-items:center;gap:14px;padding:16px 0;border-top:1px solid var(--line-dark);text-decoration:none;color:var(--cloud);transition:padding-left .2s ease;}
.contact-line:first-of-type{border-top:none;}
.contact-line .k{font-family:var(--font-mono);font-size:0.68rem;color:var(--flame-bright);letter-spacing:0.12em;text-transform:uppercase;width:70px;flex:none;}
.contact-line .v{font-size:1.02rem;}
.contact-line:hover{padding-left:6px;}
.contact-line:hover .v{color:var(--flame-bright);}

form.msg{display:flex;flex-direction:column;gap:16px;}
form.msg label{font-family:var(--font-mono);font-size:0.72rem;color:var(--slate);letter-spacing:0.08em;text-transform:uppercase;margin-bottom:6px;display:block;}
form.msg input, form.msg textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line-light);background:var(--paper);
  font-family:var(--font-body);font-size:0.95rem;border-radius:10px;color:var(--ink);
  transition:border-color .2s ease, background .2s ease;
}
form.msg input:focus, form.msg textarea:focus{border-color:var(--flame);background:var(--cloud);}
form.msg textarea{min-height:110px;resize:vertical;}
form.msg button{
  align-self:flex-start;background:var(--brass);color:var(--ink);border:none;padding:13px 28px;
  font-family:var(--font-mono);font-weight:600;font-size:0.85rem;border-radius:100px;cursor:pointer;
  transition:background .15s ease, transform .15s ease;
}
form.msg button:hover{background:var(--brass-bright);transform:translateY(-2px);}
.form-note{font-size:0.82rem;color:var(--slate);margin-top:2px;}
@media (max-width:800px){.about .wrap,.contact .wrap{grid-template-columns:1fr;}}

/* ---------- FOOTER ---------- */
footer{background:#0A151C;color:var(--slate-light);padding:36px 0;border-top:1px solid var(--line-dark);}
footer .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:0.85rem;}
footer a{color:var(--flame-bright);text-decoration:none;}

/* ---------- INNER PAGE HERO ---------- */
.page-hero{
  background:radial-gradient(ellipse 700px 400px at 85% 0%, rgba(35,166,216,0.25), transparent 58%),
  linear-gradient(175deg, var(--ink) 0%, #0A151C 100%);
  color:var(--cloud);padding:60px 0 0;
}
.page-hero .wrap{padding-bottom:56px;}
.page-hero .crumb{font-family:var(--font-mono);font-size:0.75rem;color:var(--slate-light);margin:0 0 16px;}
.page-hero .crumb a{color:var(--flame-bright);text-decoration:none;}
.page-hero h1{font-family:var(--font-display);font-weight:600;font-size:clamp(2rem,4vw,3.1rem);margin:0 0 14px;}
.page-hero p{color:var(--slate-light);max-width:56ch;font-size:1.02rem;margin:0;}

/* ---------- DETAIL LIST (services page) ---------- */
.detail-list{display:flex;flex-direction:column;gap:18px;}
.detail-row{
  background:var(--paper);padding:34px 30px;display:grid;grid-template-columns:120px 1fr;gap:24px;
  align-items:start;border-radius:16px;transition:transform .25s var(--ease);
}
.detail-row:hover{transform:translateX(6px);}
.detail-row .psi{font-family:var(--font-mono);font-size:0.78rem;color:var(--flame);letter-spacing:0.08em;}
.detail-row h3{font-family:var(--font-display);font-size:1.25rem;font-weight:600;margin:0 0 10px;color:var(--ink);}
.detail-row p{color:var(--slate);margin:0 0 8px;font-size:0.97rem;}
.detail-row ul{margin:10px 0 0;padding-left:18px;color:var(--slate);font-size:0.94rem;}
.detail-row ul li{margin-bottom:4px;}
@media (max-width:700px){.detail-row{grid-template-columns:1fr;gap:8px;}.detail-row:hover{transform:none;}}

/* ---------- STAT BAND (about page) ---------- */
.stat-band{background:#0A151C;border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);padding:0;}
.stat-band .wrap{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:34px 26px;border-right:1px solid var(--line-dark);color:var(--cloud);}
.stat:last-child{border-right:none;}
.stat b{display:block;font-family:var(--font-display);font-size:1.7rem;color:var(--flame-bright);margin-bottom:4px;}
.stat span{font-family:var(--font-mono);font-size:0.75rem;color:var(--slate-light);letter-spacing:0.04em;}
@media (max-width:800px){.stat-band .wrap{grid-template-columns:repeat(2,1fr);}.stat{border-bottom:1px solid var(--line-dark);}}

/* ---------- VALUES GRID (about page) ---------- */
.values-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.value-card{background:var(--paper);padding:32px;border-radius:16px;transition:transform .25s var(--ease), box-shadow .25s var(--ease);}
.value-card:hover{transform:translateY(-5px);box-shadow:0 16px 32px -16px rgba(14,27,36,.22);}
.value-card h4{font-family:var(--font-display);font-size:1.1rem;font-weight:600;margin:0 0 10px;color:var(--ink);}
.value-card p{color:var(--slate);margin:0;font-size:0.94rem;}
@media (max-width:700px){.values-grid{grid-template-columns:1fr;}}