:root{
    --bone:#F2EDE1;
    --bone-2:#E9E1D0;
    --bone-3:#DED4BE;
    --ink:#18221C;
    --soil:#221A12;
    --soil-2:#33271B;
    --soil-3:#43331F;
    --leaf:#2C5E40;
    --leaf-bright:#4E9D6B;
    --water:#127E92;
    --water-bright:#34C0D4;
    --clay:#C26A3C;
    --muted:#5E5446;
    --muted-light:#8A7E6A;
    --line:rgba(24,34,28,.14);
    --line-soft:rgba(24,34,28,.08);
    --maxw:1240px;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    background:var(--bone);
    color:var(--ink);
    font-family:'Hanken Grotesk',system-ui,sans-serif;
    font-size:17px;line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  /* subtle paper grain */
  body::before{
    content:"";position:fixed;inset:0;pointer-events:none;z-index:1;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.035'/%3E%3C/svg%3E");
    mix-blend-mode:multiply;opacity:.6;
  }
  h1,h2,h3,h4{font-family:'Fraunces',Georgia,serif;font-weight:600;line-height:1.04;letter-spacing:-.015em}
  .mono{font-family:'Spline Sans Mono',monospace}
  a{color:inherit;text-decoration:none}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;position:relative;z-index:2}
  .eyebrow{font-family:'Spline Sans Mono',monospace;font-size:15px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--water)}
  .eyebrow.on-dark{color:var(--water-bright)}
  .btn{
    display:inline-flex;align-items:center;gap:10px;
    font-family:'Spline Sans Mono',monospace;font-size:14px;font-weight:500;letter-spacing:.02em;
    padding:15px 26px;border-radius:2px;cursor:pointer;border:1px solid transparent;
    transition:transform .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  }
  .btn-primary{background:var(--leaf);color:var(--bone)}
  .btn-primary:hover{background:var(--ink);transform:translateY(-2px)}
  .btn-water{background:var(--water);color:#fff}
  .btn-water:hover{background:var(--water-bright);color:var(--ink);transform:translateY(-2px)}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
  .btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
  .btn-ghost.on-dark{border-color:rgba(242,237,225,.3);color:var(--bone)}
  .btn-ghost.on-dark:hover{border-color:var(--bone);background:rgba(242,237,225,.08)}
  .arrow{transition:transform .25s ease}
  .btn:hover .arrow{transform:translateX(4px)}

  /* ===== utility bar ===== */
  .util{background:var(--soil);color:var(--bone);font-family:'Spline Sans Mono',monospace;font-size:12.5px;letter-spacing:.04em}
  .util .wrap{display:flex;justify-content:space-between;align-items:center;padding-top:10px;padding-bottom:10px;flex-wrap:wrap;gap:8px}
  .util .pulse{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--leaf-bright);margin-right:8px;box-shadow:0 0 0 0 rgba(78,157,107,.7);animation:pulse 2.4s infinite}
  @keyframes pulse{0%{box-shadow:0 0 0 0 rgba(78,157,107,.6)}70%{box-shadow:0 0 0 8px rgba(78,157,107,0)}100%{box-shadow:0 0 0 0 rgba(78,157,107,0)}}
  .util a:hover{color:var(--water-bright)}

  /* ===== nav ===== */
  nav{position:sticky;top:0;z-index:50;background:rgba(242,237,225,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
  nav .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:18px;padding-bottom:18px}
  .brand{display:flex;align-items:center;gap:13px}
  .brand .glyph{width:38px;height:38px;flex:none}
  .brand .name{font-family:'Fraunces',serif;font-weight:700;font-size:20px;letter-spacing:-.02em;line-height:1}
  .brand .sub{font-family:'Spline Sans Mono',monospace;font-size:9.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-top:3px}
  .navlinks{display:flex;gap:30px;align-items:center}
  .navlinks a{font-size:14.5px;font-weight:500;color:var(--muted);transition:color .2s}
  .navlinks a:hover{color:var(--ink)}
  .nav-cta{display:flex;align-items:center;gap:18px}
  .menu-toggle{display:none;background:none;border:none;cursor:pointer}
  @media(max-width:920px){.navlinks{display:none}.nav-cta .btn{display:none}}

  /* ===== hero ===== */
  .hero{position:relative;background:var(--bone);padding:72px 0 0;overflow:hidden}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
  .hero h1{font-size:clamp(44px,6.4vw,82px);font-weight:600;letter-spacing:-.03em}
  .hero h1 em{font-style:italic;color:var(--water);font-weight:500}
  .hero .lede{font-size:19px;color:var(--muted);max-width:30em;margin:26px 0 34px}
  .hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
  .hero-note{font-family:'Spline Sans Mono',monospace;font-size:12px;color:var(--muted-light);margin-top:26px;letter-spacing:.03em}

  /* signature soil cross-section */
  .crosswrap{position:relative;border-radius:4px;overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 60px -30px rgba(34,26,18,.4)}
  .cross-cap{display:flex;justify-content:space-between;font-family:'Spline Sans Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;padding:13px 16px;background:var(--bone-2);border-bottom:1px solid var(--line);color:var(--muted)}
  .cross-cap span.bad{color:var(--clay)}
  .cross-cap span.good{color:var(--water)}
  .cross-svg{display:block;width:100%;height:auto;background:linear-gradient(#cfe6f0 0%,#cfe6f0 28%,#9b7a4f 28%,#6f5436 55%,#523c25 78%,#3a2a18 100%)}
  .drop{animation:fall 2.4s linear infinite}
  .drop.d2{animation-delay:.6s}.drop.d3{animation-delay:1.2s}.drop.d4{animation-delay:1.8s}.drop.d5{animation-delay:.3s}.drop.d6{animation-delay:1.5s}
  @keyframes fall{0%{transform:translateY(0);opacity:0}10%{opacity:1}90%{opacity:1}100%{transform:translateY(34px);opacity:0}}
  .evap{animation:rise 3s ease-in infinite}
  .evap.e2{animation-delay:1s}.evap.e3{animation-delay:2s}
  @keyframes rise{0%{transform:translateY(0);opacity:.55}100%{transform:translateY(-30px);opacity:0}}
  .deepflow{stroke-dasharray:4 7;animation:flow 1.4s linear infinite}
  @keyframes flow{to{stroke-dashoffset:-22}}
  .wet{transform-origin:center;animation:soak 4s ease-in-out infinite}
  @keyframes soak{0%,100%{opacity:.4;transform:scale(.9)}50%{opacity:.7;transform:scale(1.04)}}

  .hero-strip{margin-top:64px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bone-2)}
  .hero-strip .wrap{display:flex;justify-content:space-between;align-items:center;gap:28px;padding-top:22px;padding-bottom:22px;flex-wrap:wrap}
  .trust-i{display:flex;align-items:center;gap:12px}
  .trust-i .ti-k{font-family:'Spline Sans Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-light);line-height:1.4}
  .trust-i .ti-v{font-family:'Fraunces',serif;font-weight:600;font-size:15px}
  .trust-i svg{flex:none}

  /* ===== generic section ===== */
  section{position:relative;z-index:2}
  .pad{padding:108px 0}
  .sec-head{max-width:680px;margin-bottom:56px}
  .sec-head h2{font-size:clamp(32px,4vw,52px);margin-top:18px}
  .sec-head p{color:var(--muted);font-size:18px;margin-top:18px}

  /* problem */
  .problem{background:var(--soil);color:var(--bone)}
  .problem .sec-head p{color:rgba(242,237,225,.62)}
  .problem h2{color:var(--bone)}
  .prob-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid rgba(242,237,225,.14);border-radius:4px;overflow:hidden}
  .prob-cell{padding:38px 34px;border-right:1px solid rgba(242,237,225,.14)}
  .prob-cell:last-child{border-right:none}
  .prob-cell .pn{font-family:'Spline Sans Mono',monospace;font-size:13px;color:var(--water-bright);letter-spacing:.1em}
  .prob-cell .pbig{font-family:'Fraunces',serif;font-weight:600;font-size:clamp(38px,4.6vw,58px);margin:18px 0 6px;line-height:.98}
  .prob-cell .pbig.clay{color:var(--clay)}
  .prob-cell .plabel{font-family:'Fraunces',serif;font-size:18px;font-weight:600;margin-bottom:10px}
  .prob-cell .ptext{font-size:15px;color:rgba(242,237,225,.62)}
  @media(max-width:820px){.prob-grid{grid-template-columns:1fr}.prob-cell{border-right:none;border-bottom:1px solid rgba(242,237,225,.14)}.prob-cell:last-child{border-bottom:none}}

  /* how it works */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:4px;overflow:hidden}
  .step{background:var(--bone);padding:34px 28px;transition:background .3s}
  .step:hover{background:var(--bone-2)}
  .step .sn{font-family:'Spline Sans Mono',monospace;font-size:13px;color:var(--water);letter-spacing:.1em}
  .step h3{font-size:21px;margin:20px 0 10px}
  .step p{font-size:15px;color:var(--muted)}
  .step .ico{margin-top:6px}
  @media(max-width:820px){.steps{grid-template-columns:1fr}}

  .howcols{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-top:72px}
  .howcols .lab{font-family:'Spline Sans Mono',monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-light);margin-bottom:18px}
  .compare{display:flex;flex-direction:column;gap:18px}
  .compare .row{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
  .compare .row .feat{font-weight:600}
  .compare .badge{font-family:'Spline Sans Mono',monospace;font-size:12px;padding:5px 11px;border-radius:2px}
  .badge.yes{background:rgba(44,94,64,.12);color:var(--leaf)}
  .badge.no{background:rgba(194,106,60,.13);color:var(--clay)}
  @media(max-width:820px){.howcols{grid-template-columns:1fr;gap:40px}}

  /* PROOF / study */
  .proof{background:linear-gradient(180deg,var(--bone) 0%,var(--bone-2) 100%)}
  .proof-banner{display:flex;align-items:center;gap:20px;padding:22px 28px;background:var(--ink);color:var(--bone);border-radius:4px;margin-bottom:48px;flex-wrap:wrap}
  .proof-banner .seal{width:48px;height:48px;flex:none}
  .proof-banner .pb-t{font-family:'Fraunces',serif;font-weight:600;font-size:19px}
  .proof-banner .pb-s{font-family:'Spline Sans Mono',monospace;font-size:12.5px;color:rgba(242,237,225,.6);letter-spacing:.03em;margin-top:3px}
  .proof-banner .pb-meta{margin-left:auto;font-family:'Spline Sans Mono',monospace;font-size:12px;color:var(--water-bright);text-align:right;line-height:1.7}

  .bigstats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:64px}
  .bigstat{padding:30px 26px;border:1px solid var(--line);border-radius:4px;background:var(--bone);position:relative;overflow:hidden}
  .bigstat::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:100%;background:var(--water)}
  .bigstat.green::after{background:var(--leaf-bright)}
  .bigstat.clay::after{background:var(--clay)}
  .bigstat .num{font-family:'Fraunces',serif;font-weight:600;font-size:clamp(40px,4.8vw,58px);line-height:1;letter-spacing:-.02em}
  .bigstat .num .u{font-size:.42em;font-weight:500;color:var(--muted);margin-left:3px}
  .bigstat .cap{font-size:14px;color:var(--muted);margin-top:14px;line-height:1.45}
  .bigstat .cap b{color:var(--ink);font-weight:600}
  @media(max-width:920px){.bigstats{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:520px){.bigstats{grid-template-columns:1fr}}

  /* charts */
  .charts{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-bottom:60px}
  .chartcard{border:1px solid var(--line);border-radius:4px;padding:34px 32px;background:var(--bone)}
  .chartcard h3{font-size:22px;margin-bottom:6px}
  .chartcard .csub{font-size:13.5px;color:var(--muted);margin-bottom:30px}
  .bars{display:flex;flex-direction:column;gap:16px}
  .bar-row{display:grid;grid-template-columns:130px 1fr;gap:14px;align-items:center}
  .bar-row .blabel{font-size:13px;font-weight:500;text-align:right;color:var(--muted)}
  .bar-row.hi .blabel{color:var(--ink);font-weight:700}
  .track{position:relative;height:30px;background:var(--bone-3);border-radius:2px;overflow:hidden}
  .fill{height:100%;width:0;border-radius:2px;transition:width 1.4s cubic-bezier(.2,.7,.2,1);display:flex;align-items:center;justify-content:flex-end;padding-right:10px}
  .fill .v{font-family:'Spline Sans Mono',monospace;font-size:12px;color:#fff;font-weight:500;opacity:0;transition:opacity .4s .8s}
  .fill.water{background:var(--water)}
  .fill.water.hero-fill{background:linear-gradient(90deg,var(--water),var(--water-bright))}
  .fill.muted{background:#9c8e76}
  .fill.green{background:var(--leaf)}
  .fill.green.hero-fill{background:linear-gradient(90deg,var(--leaf),var(--leaf-bright))}
  .fill.shown .v{opacity:1}
  .fill .v.dark{color:var(--ink)}
  @media(max-width:820px){.charts{grid-template-columns:1fr;gap:32px}}

  /* efficiency callout */
  .effi{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:4px;overflow:hidden;margin-bottom:30px}
  .effi .half{padding:46px 44px}
  .effi .dri{background:var(--leaf);color:var(--bone)}
  .effi .legacy{background:var(--bone)}
  .effi .ek{font-family:'Spline Sans Mono',monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;opacity:.8}
  .effi .ev{font-family:'Fraunces',serif;font-weight:600;font-size:clamp(40px,5vw,64px);line-height:1;margin:14px 0 8px}
  .effi .ev .uu{font-size:.34em;font-weight:500}
  .effi .ed{font-size:14.5px}
  .effi .dri .ed{color:rgba(242,237,225,.78)}
  .effi .legacy .ed{color:var(--muted)}
  @media(max-width:680px){.effi{grid-template-columns:1fr}}

  /* data table */
  details.tablewrap{border:1px solid var(--line);border-radius:4px;background:var(--bone);overflow:hidden}
  details.tablewrap summary{list-style:none;cursor:pointer;padding:20px 28px;font-family:'Spline Sans Mono',monospace;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);display:flex;justify-content:space-between;align-items:center}
  details.tablewrap summary::-webkit-details-marker{display:none}
  details.tablewrap summary .chev{transition:transform .3s}
  details.tablewrap[open] summary .chev{transform:rotate(180deg)}
  .tbl{width:100%;border-collapse:collapse;font-size:14px}
  .tbl th,.tbl td{padding:14px 16px;text-align:right;border-top:1px solid var(--line)}
  .tbl th:first-child,.tbl td:first-child{text-align:left}
  .tbl thead th{font-family:'Spline Sans Mono',monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-light);font-weight:500}
  .tbl tbody tr.dri{background:rgba(18,126,146,.07)}
  .tbl tbody tr.dri td:first-child{font-weight:700;color:var(--water)}
  .tbl .tnum{font-family:'Spline Sans Mono',monospace}
  .tbl-foot{padding:14px 28px;font-size:12px;color:var(--muted-light);font-style:italic;border-top:1px solid var(--line)}

  /* products */
  .products{background:var(--soil-2);color:var(--bone)}
  .products h2{color:var(--bone)}
  .products .sec-head p{color:rgba(242,237,225,.6)}
  .prodgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
  .prod{border:1px solid rgba(242,237,225,.16);border-radius:4px;padding:30px 26px;background:rgba(242,237,225,.03);transition:transform .3s,border-color .3s,background .3s;position:relative}
  .prod:hover{transform:translateY(-6px);border-color:var(--water-bright);background:rgba(242,237,225,.06)}
  .prod .pid{font-family:'Fraunces',serif;font-weight:700;font-size:30px;letter-spacing:-.02em}
  .prod .puse{font-family:'Spline Sans Mono',monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--water-bright);margin:8px 0 18px}
  .prod p{font-size:14.5px;color:rgba(242,237,225,.66)}
  .prod .award{position:absolute;top:18px;right:18px;font-family:'Spline Sans Mono',monospace;font-size:9.5px;letter-spacing:.08em;background:var(--clay);color:#fff;padding:4px 8px;border-radius:2px}
  .prod .pdiag{margin-bottom:18px}
  @media(max-width:920px){.prodgrid{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:520px){.prodgrid{grid-template-columns:1fr}}

  /* benefits */
  .bengrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:4px;overflow:hidden}
  .ben{background:var(--bone);padding:32px 30px;transition:background .3s}
  .ben:hover{background:var(--bone-2)}
  .ben .bico{width:34px;height:34px;margin-bottom:18px;color:var(--leaf)}
  .ben h3{font-size:19px;margin-bottom:10px}
  .ben p{font-size:14.5px;color:var(--muted)}
  @media(max-width:820px){.bengrid{grid-template-columns:1fr 1fr}}
  @media(max-width:520px){.bengrid{grid-template-columns:1fr}}

  /* about */
  .about{background:var(--bone-2)}
  .aboutgrid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
  .about .lede2{font-size:20px;line-height:1.55}
  .about p.body{color:var(--muted);margin-top:20px}
  .founders{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap}
  .founder{display:flex;align-items:center;gap:14px;padding:16px 20px;background:var(--bone);border:1px solid var(--line);border-radius:4px}
  .founder .av{width:42px;height:42px;border-radius:50%;background:var(--leaf);color:var(--bone);display:flex;align-items:center;justify-content:center;font-family:'Fraunces',serif;font-weight:600;font-size:16px;flex:none}
  .founder .fn{font-weight:600;font-size:15px}
  .founder .fr{font-family:'Spline Sans Mono',monospace;font-size:11px;color:var(--muted-light);letter-spacing:.04em}
  .factlist{border-top:1px solid var(--line)}
  .factlist .f{display:flex;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--line);font-size:15px}
  .factlist .f .k{color:var(--muted)}
  .factlist .f .v{font-weight:600;font-family:'Spline Sans Mono',monospace;font-size:14px}
  @media(max-width:820px){.aboutgrid{grid-template-columns:1fr;gap:44px}}

  /* CTA */
  .cta{background:linear-gradient(rgba(20,16,12,.48),rgba(20,16,12,.6)),url('trees.png') center/cover no-repeat,var(--ink);color:var(--bone);overflow:hidden;position:relative}
  .cta::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 400px at 80% -10%,rgba(52,192,212,.18),transparent 60%);pointer-events:none}
  .cta .wrap{text-align:center;padding:120px 32px}
  .cta h2{font-size:clamp(36px,5.4vw,68px);color:var(--bone);max-width:14em;margin:0 auto}
  .cta h2 em{font-style:italic;color:var(--water-bright);font-weight:500}
  .cta p{color:rgba(242,237,225,.66);font-size:19px;margin:26px auto 38px;max-width:34em}
  .cta-row{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
  .cta-phone{margin-top:30px}
  .cta-phone span{font-family:'Spline Sans Mono',monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--water-bright);display:block}

  /* footer */
  footer{background:var(--soil);color:rgba(242,237,225,.7);padding:64px 0 36px}
  .footgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
  footer h4{font-family:'Spline Sans Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--water-bright);margin-bottom:18px;font-weight:500}
  footer a{display:block;font-size:14.5px;color:rgba(242,237,225,.7);padding:5px 0;transition:color .2s}
  footer a:hover{color:var(--bone)}
  footer .fbrand .name{font-family:'Fraunces',serif;font-weight:700;font-size:22px;color:var(--bone)}
  footer .fbrand p{font-size:14px;margin-top:14px;max-width:26em;color:rgba(242,237,225,.55)}
  .footbottom{border-top:1px solid rgba(242,237,225,.14);padding-top:26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-family:'Spline Sans Mono',monospace;font-size:11.5px;letter-spacing:.04em;color:rgba(242,237,225,.45)}
  @media(max-width:820px){.footgrid{grid-template-columns:1fr 1fr}}
  @media(max-width:520px){.footgrid{grid-template-columns:1fr}}

  @media(max-width:920px){.hero-grid{grid-template-columns:1fr;gap:40px}.pad{padding:80px 0}.wrap{padding:0 22px}}

  /* reveal */
  .reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
  .reveal.in{opacity:1;transform:none}
  .reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}