@font-face{
  font-family:"Ubuntu Sans";
  src:url("/fonts/ubuntu-sans.woff2") format("woff2");
  font-weight:100 800;
  font-stretch:75% 100%;
  font-display:swap;
}

*,*::before,*::after{box-sizing:border-box}

:root{
  --sky:#dce5e8;
  --sky-deep:#c9d6da;
  --chalk:#f7f9f9;
  --peat:#1e2b26;
  --peat-soft:#3b4a44;
  --water:#2f6470;
  --water-deep:#234d57;
  --reed:#b8913a;
  --reed-ink:#7a5d1c;
  --sedge:#5f7350;
  --line:#c3cfcc;
  --muted:#56645f;

  --font:"Ubuntu Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --step--1:.875rem;
  --step-0:1.0625rem;
  --step-1:1.25rem;
  --step-2:1.5rem;
  --step-3:clamp(1.75rem,1.3rem + 2vw,2.5rem);
  --step-4:clamp(2.75rem,1.6rem + 5.4vw,5.75rem);
  --gutter:clamp(20px,4vw,40px);
}

html{scroll-behavior:smooth;scroll-padding-top:72px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  font-family:var(--font);
  font-size:var(--step-0);
  line-height:1.6;
  color:var(--peat-soft);
  background:var(--chalk);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-wrap:break-word;
}

h1,h2,h3{color:var(--peat);margin:0;font-weight:600;line-height:1.15}
h2{font-size:var(--step-3);font-stretch:80%;font-weight:500;letter-spacing:-.005em;margin-bottom:.5em}
h3{font-size:var(--step-1);font-weight:600}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:var(--water-deep);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{color:var(--peat);text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--reed);outline-offset:3px;border-radius:2px}
strong{color:var(--peat);font-weight:600}

.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 var(--gutter)}

.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--peat);color:var(--chalk);padding:10px 16px;border-radius:4px}
.skip:focus{left:8px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:10;
  background:rgba(220,229,232,.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(30,43,38,.08);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--peat)}
.brand span{font-size:1.25rem;font-weight:600;font-stretch:78%;letter-spacing:.01em}
nav{display:flex;gap:clamp(14px,3vw,32px)}
nav a{color:var(--peat-soft);text-decoration:none;font-size:.95rem;padding:6px 0;border-bottom:2px solid transparent}
nav a:hover{color:var(--peat);border-bottom-color:var(--reed)}

/* Hero: sky above, fen below */
.hero{background:var(--sky);display:flex;flex-direction:column}
.sky{padding:clamp(56px,8vw,112px) 0 clamp(48px,6vw,80px)}
.hero h1{
  font-size:var(--step-4);
  font-stretch:75%;
  font-weight:300;
  line-height:.98;
  letter-spacing:-.015em;
  max-width:13ch;
  margin-bottom:.45em;
}
.lead{font-size:var(--step-1);line-height:1.5;max-width:46ch;color:var(--peat-soft)}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.btn{
  display:inline-block;padding:13px 24px;border-radius:999px;
  font-weight:600;font-size:1rem;text-decoration:none;
  border:1.5px solid var(--peat);
  transition:background-color .15s,color .15s;
}
.btn.primary{background:var(--peat);color:var(--chalk)}
.btn.primary:hover{background:var(--water-deep);border-color:var(--water-deep);color:var(--chalk)}
.btn.quiet{color:var(--peat)}
.btn.quiet:hover{background:rgba(30,43,38,.06)}

.fen{display:block;flex:none;width:100%;height:clamp(140px,22vw,300px)}
.fen line{vector-effect:non-scaling-stroke}
@media (min-width:761px) and (min-height:640px){
  .hero{min-height:calc(100svh - 64px)}
  .sky{flex:1;display:flex;align-items:center;padding:48px 0}
  .fen{height:clamp(150px,26svh,300px)}
}
.field{fill:var(--sedge)}
.horizon{stroke:var(--peat);stroke-width:1.5}
.dykes line{stroke:var(--sky);stroke-width:2;opacity:.85}
.dykes .main-cut{stroke:var(--reed);stroke-width:3;opacity:1}
.drains line{stroke:var(--peat);stroke-width:1;opacity:.22}
.dykes{transform-origin:50% 0;transform-box:fill-box}

@media (prefers-reduced-motion:no-preference){
  .dykes{animation:cut 1.6s cubic-bezier(.2,.7,.2,1) .2s both}
  .drains{animation:settle 1.2s ease-out .9s both}
  @keyframes cut{from{transform:scaleY(0)}to{transform:scaleY(1)}}
  @keyframes settle{from{opacity:0}to{opacity:1}}
}

/* Sections */
.section{padding:clamp(64px,9vw,112px) 0}
.split{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(28px,5vw,72px);align-items:start}
.side p{color:var(--muted);max-width:34ch}

/* Services as field rows */
.rows{margin:0;border-top:1.5px solid var(--peat)}
.row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}
.row dt{font-size:var(--step-1);font-weight:600;color:var(--peat);line-height:1.3}
.row dd{margin:0;max-width:60ch}

/* Process */
.water{background:var(--water);color:#e4eeef}
.water h2,.water h3{color:#fff}
.water .intro{max-width:56ch;font-size:var(--step-1);line-height:1.5;color:#d3e2e4}
.steps{
  list-style:none;margin:48px 0 0;padding:0;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  counter-reset:step;
  border-top:1px solid rgba(255,255,255,.3);
}
.steps li{counter-increment:step;padding:28px 24px 0 0;position:relative}
.steps li::before{
  content:counter(step);
  display:block;
  font-size:var(--step-4);
  font-stretch:75%;
  font-weight:200;
  line-height:1;
  color:var(--reed);
  margin-bottom:16px;
  font-variant-numeric:lining-nums;
}
.steps li::after{
  content:"";position:absolute;top:-5px;left:0;
  width:9px;height:9px;border-radius:50%;background:var(--reed);
}
.steps h3{margin-bottom:.4em}
.steps p{color:#d3e2e4;max-width:30ch}

/* Principles */
.principles{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 40px}
.principles li{padding-left:18px;border-left:3px solid var(--sedge);max-width:44ch}
.principles strong{display:block;font-size:var(--step-1);margin-bottom:6px}

/* Products */
.reed{background:var(--sky);border-top:1px solid var(--sky-deep);border-bottom:1px solid var(--sky-deep)}
.products{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center}
.products p{max-width:58ch}
.status{
  display:inline-flex;align-items:center;gap:10px;margin:0;
  padding:10px 18px;border-radius:999px;
  border:1.5px solid var(--reed-ink);color:var(--reed-ink);font-weight:600;white-space:nowrap;
}
.dot{width:10px;height:10px;border-radius:50%;background:var(--reed)}
@media (prefers-reduced-motion:no-preference){
  .dot{animation:pulse 2.4s ease-in-out infinite}
  @keyframes pulse{50%{opacity:.35}}
}

/* FAQ */
.faq{border-top:1.5px solid var(--peat)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:20px 0;font-size:var(--step-1);font-weight:500;color:var(--peat);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";flex:none;width:12px;height:12px;
  border-right:2px solid var(--water);border-bottom:2px solid var(--water);
  transform:translateY(-3px) rotate(45deg);transition:transform .2s;
}
.faq details[open] summary::after{transform:translateY(3px) rotate(-135deg)}
.faq summary:hover{color:var(--water-deep)}
.faq details p{padding:0 0 22px;max-width:62ch}
@media (prefers-reduced-motion:reduce){.faq summary::after{transition:none}}

/* Contact */
.contact-band{background:var(--peat);color:#cfd8d4}
.contact-band h2{color:#fff}
.contact{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(32px,6vw,80px);align-items:start}
.contact p{max-width:46ch}
.email{
  display:inline-block;margin-top:8px;
  font-size:clamp(1.4rem,1rem + 2.2vw,2.4rem);font-stretch:80%;font-weight:400;
  color:var(--sky);text-decoration-color:var(--reed);text-decoration-thickness:2px;
}
.email:hover{color:#fff;text-decoration-thickness:3px}
.contact-band :focus-visible{outline-color:var(--reed)}
.record{font-style:normal;border-left:3px solid var(--reed);padding:4px 0 4px 24px}
.record-name{color:#fff;font-weight:600;font-size:var(--step-1);letter-spacing:.04em;margin-bottom:16px}
.record dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:10px 20px}
.record dt{color:#93a39c}
.record dd{margin:0;color:#e6ece9;font-variant-numeric:tabular-nums}

/* Footer */
.site-footer{background:var(--peat);color:#93a39c;border-top:1px solid rgba(255,255,255,.1);padding:32px 0;font-size:var(--step--1)}
.site-footer strong{color:#e6ece9}
.site-footer p{max-width:80ch}
.muted{color:var(--muted)}
.site-footer .muted{color:#93a39c}

/* Responsive */
@media (max-width:900px){
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:40px;border-top:0}
  .steps li{border-top:1px solid rgba(255,255,255,.3)}
}
@media (max-width:760px){
  .split,.contact,.products{grid-template-columns:minmax(0,1fr)}
  .row{grid-template-columns:minmax(0,1fr);gap:6px}
  .principles{grid-template-columns:minmax(0,1fr);gap:28px}
  .products .status{justify-self:start}
  nav a:nth-child(2){display:none}
}
@media (max-width:520px){
  .steps{grid-template-columns:minmax(0,1fr)}
  nav a:nth-child(3){display:none}
  .cta .btn{flex:1 1 auto;text-align:center}
}