/* ============================================================
   Resonant Fleece — promotional site
   Palette taken from the logo: fern green, clay, sand, paper.
   ============================================================ */

:root{
  --paper:#F3EDE1;
  --paper-2:#E8DEC9;
  --card:#FBF6EC;
  --ink:#1E1A14;
  --ink-soft:#544B3D;
  --ink-faint:#8A7F6C;
  --line:#D9CDB4;
  --line-soft:#E6DCC7;

  --fern:#2C4A3B;
  --fern-deep:#1D3428;
  --fern-bright:#3E6B54;
  --sand:#BFA98A;
  --sand-light:#D8C6A8;
  --clay:#B0592B;
  --clay-soft:#C98A56;

  --maxw:1200px;
  --shadow-s:0 1px 2px rgba(30,26,20,.05), 0 8px 22px -14px rgba(30,26,20,.30);
  --shadow-m:0 1px 2px rgba(30,26,20,.06), 0 22px 48px -24px rgba(30,26,20,.40);
  --radius:20px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:86px;overflow-y:scroll;scrollbar-gutter:stable}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:"Hanken Grotesk",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
/* paper grain — sits above the page background but behind all content, so that
   the logo (which ships on a near-white paper ground) can multiply-blend into
   the page without being trapped in an isolated stacking context */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.55;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.05'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}
::selection{background:var(--clay);color:#fff}

h1,h2,h3,h4{font-family:"Fraunces",Georgia,serif;font-weight:520;line-height:1.06;letter-spacing:-.015em}
img{max-width:100%;display:block}
a{color:inherit}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 30px;position:relative}

/* ---------- logo mark (cropped from the supplied PNG) ---------- */
.mark{
  --s:40px;
  width:var(--s);height:var(--s);
  position:relative;overflow:hidden;flex:0 0 auto;border-radius:6px;
}
.mark img{
  position:absolute;
  height:calc(var(--s) * 1.6197);width:auto;max-width:none;
  left:calc(var(--s) * -0.4748);
  top:calc(var(--s) * -0.1744);
}

/* ---------- NAV ---------- */
nav.site{
  position:sticky;top:0;z-index:60;
  background:color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.navin{max-width:var(--maxw);margin:0 auto;padding:11px 30px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;white-space:nowrap}
.brand .nm{font-family:"Fraunces",serif;font-weight:600;font-size:1.04rem;letter-spacing:-.02em;line-height:1.05}
.brand .sub{display:block;font-family:"Hanken Grotesk",sans-serif;font-weight:600;font-size:.58rem;letter-spacing:.19em;text-transform:uppercase;color:var(--ink-faint);margin-top:2px}
.navlinks{display:flex;gap:2px;margin-left:auto;align-items:center;flex-wrap:wrap}
.navlinks a{
  text-decoration:none;font-size:.83rem;font-weight:500;color:var(--ink-soft);
  padding:7px 13px;border-radius:999px;transition:.18s;white-space:nowrap;
}
.navlinks a:hover{color:var(--ink);background:var(--paper-2)}
.navlinks a.active{color:var(--paper);background:var(--fern)}
.navlinks a.cta{background:var(--clay);color:#fff;font-weight:600;margin-left:8px}
.navlinks a.cta:hover{background:#96481f;color:#fff}
.navtoggle{display:none}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;text-decoration:none;cursor:pointer;
  font-family:inherit;font-size:.92rem;font-weight:600;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;transition:.22s;
}
.btn.primary{background:var(--fern);color:#F2EADB;box-shadow:var(--shadow-s)}
.btn.primary:hover{background:var(--fern-deep);transform:translateY(-2px)}
.btn.ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn.ghost:hover{border-color:var(--fern);background:var(--card)}
.btn .ar{transition:transform .22s}
.btn:hover .ar{transform:translateX(4px)}

/* ---------- HERO ---------- */
header.hero{position:relative;padding:76px 0 56px;overflow:hidden}
.herogrid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:11px;font-size:.72rem;font-weight:700;letter-spacing:.2em;
  text-transform:uppercase;color:var(--clay);margin-bottom:24px;
}
.eyebrow::before{content:"";width:32px;height:1.5px;background:var(--clay)}
.hero h1{font-size:clamp(2.5rem,5.6vw,4.5rem);max-width:15ch;margin-bottom:24px}
.hero h1 em{font-style:italic;color:var(--fern)}
.lede{font-size:clamp(1.06rem,1.55vw,1.3rem);max-width:56ch;color:var(--ink-soft)}
.lede strong{color:var(--ink);font-weight:600}
.herobtns{display:flex;flex-wrap:wrap;gap:13px;margin-top:34px}
.herologo img{width:100%}

.statrow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:56px}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px;
  box-shadow:var(--shadow-s);
}
.stat .n{font-family:"Fraunces",serif;font-size:1.85rem;font-weight:560;color:var(--fern);line-height:1}
.stat .l{font-size:.79rem;color:var(--ink-soft);margin-top:9px;line-height:1.4}

/* ---------- SECTION SCAFFOLD ---------- */
section{padding:78px 0;position:relative}
section + section{border-top:1px solid var(--line)}
.sectmark{font-size:.72rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--clay);margin-bottom:15px;display:flex;align-items:center;gap:11px;flex-wrap:wrap}
.sectmark span{font-family:"Fraunces",serif;font-style:italic;font-weight:500;color:var(--ink-faint);letter-spacing:0;text-transform:none;font-size:.94rem}
.secth{font-size:clamp(1.85rem,3.5vw,2.85rem);max-width:22ch;margin-bottom:18px}
.secth em{font-style:italic;color:var(--fern)}
.intro{max-width:66ch;color:var(--ink-soft);font-size:1.05rem}
.intro + .intro{margin-top:14px}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- PROBLEM ---------- */
.problem{background:var(--fern);color:#E9F0E9}
.problem .secth{color:#fff}
.problem .sectmark{color:var(--clay-soft)}
.problem .sectmark span{color:#A9BFAF}
.problem .intro{color:#CBDACE}
.probgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.prob{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:26px 24px}
.prob h3{font-size:1.2rem;color:#fff;margin-bottom:9px}
.prob p{font-size:.93rem;color:#C7D7CB}
.prob .big{font-family:"Fraunces",serif;font-size:2.1rem;color:var(--clay-soft);line-height:1;margin-bottom:12px;font-weight:560}

/* ---------- HOW IT WORKS ---------- */
.howgrid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:44px;align-items:start}
.mech{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;
  box-shadow:var(--shadow-s);transition:transform .35s,box-shadow .35s;
}
.mech:hover{transform:translateY(-5px);box-shadow:var(--shadow-m)}
.mech .glyph{width:46px;height:46px;color:var(--fern);margin-bottom:14px}
.mech .tag{font-size:.7rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--clay)}
.mech h3{font-size:1.48rem;margin:10px 0 11px}
.mech p{font-size:.96rem;color:var(--ink-soft)}
.mech p + p{margin-top:11px}
.mech .band{margin-top:18px;padding-top:15px;border-top:1px dashed var(--line);font-size:.85rem}
.mech .band b{color:var(--fern-bright)}
.mech .eqn{
  margin-top:16px;font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;font-size:.82rem;
  background:var(--paper-2);border-radius:10px;padding:11px 14px;color:var(--ink-soft);overflow-x:auto;white-space:nowrap;
}

/* section stack diagram */
.stackwrap{grid-column:1 / -1;background:var(--fern);border-radius:var(--radius);padding:34px 36px;color:#E9F0E9;display:grid;grid-template-columns:1fr 1.05fr;gap:36px;align-items:center;box-shadow:var(--shadow-m)}
.stackwrap h3{color:#fff;font-size:1.75rem;margin-bottom:12px}
.stackwrap p{color:#C7D7CB;font-size:.97rem}
.stackwrap .tag{font-size:.7rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--clay-soft);margin-bottom:8px}
.layers{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:8px 22px}
.layer{display:flex;align-items:center;gap:14px;padding:13px 0;font-size:.92rem;color:#E7EFE8}
.layer + .layer{border-top:1px solid rgba(255,255,255,.13)}
.layer .dot{width:12px;height:12px;border-radius:3px;flex:0 0 auto}
.layer .who{margin-left:auto;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:#9FB8A6;white-space:nowrap}

/* ---------- LAB (interactive) ---------- */
.lab{
  margin-top:44px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 32px 34px;box-shadow:var(--shadow-m);
}
.lab .labtag{font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--clay);margin-bottom:8px}
.lab h3{font-size:1.55rem;margin-bottom:10px}
.lab .labintro{font-size:.95rem;color:var(--ink-soft);max-width:70ch;margin-bottom:22px}
.chartbox{position:relative;border:1px solid var(--line);border-radius:14px;background:#FFFCF6;overflow:hidden}
canvas{display:block;width:100%}
.legend{display:flex;flex-wrap:wrap;gap:18px;margin-top:14px;font-size:.83rem;color:var(--ink-soft)}
.legend i{display:inline-block;width:22px;height:3px;border-radius:2px;margin-right:8px;vertical-align:middle}
.legend i.dash{border-radius:0;background:repeating-linear-gradient(90deg,var(--sand) 0 5px,transparent 5px 10px)}

.ctrls{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:24px}
.ctrl label{display:flex;justify-content:space-between;align-items:baseline;gap:10px;font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:9px}
.ctrl label b{font-family:"Fraunces",serif;font-size:1.05rem;font-weight:560;color:var(--fern);letter-spacing:0;text-transform:none}
input[type=range]{width:100%;accent-color:var(--fern);height:4px;cursor:pointer}
.switchrow{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;align-items:center}
.switch{
  font-family:inherit;font-size:.83rem;font-weight:600;cursor:pointer;
  padding:9px 17px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--ink-soft);transition:.2s;
}
.switch:hover{border-color:var(--fern)}
.switch.on{background:var(--fern);color:var(--paper);border-color:var(--fern)}
.readout{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
.ro{background:var(--paper-2);border:1px solid var(--line);border-radius:14px;padding:15px 18px}
.ro .v{font-family:"Fraunces",serif;font-size:1.7rem;font-weight:560;color:var(--fern);line-height:1}
.ro .v.clay{color:var(--clay)}
.ro .l{font-size:.76rem;color:var(--ink-soft);margin-top:7px;line-height:1.35}
.verdict{margin-top:18px;padding:15px 18px;border-radius:12px;background:var(--paper-2);border:1px dashed var(--line);font-size:.93rem}
.verdict b{color:var(--clay)}
.footnote{margin-top:16px;font-size:.78rem;color:var(--ink-faint);line-height:1.5;max-width:80ch}

/* ---------- APPLICATIONS ---------- */
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.app{
  background:var(--card);border:1px solid var(--line);border-radius:18px;padding:0;overflow:hidden;
  box-shadow:var(--shadow-s);display:flex;flex-direction:column;transition:.3s;
}
.app:hover{border-color:var(--fern);transform:translateY(-5px);box-shadow:var(--shadow-m)}
.app .top{padding:24px 26px 0}
.app .art{height:118px;margin:16px 0 0;display:block}
.app .body{padding:0 26px 26px}
.app .n{font-family:"Fraunces",serif;font-style:italic;color:var(--clay);font-size:1.02rem}
.app h3{font-size:1.26rem;margin:6px 0 9px}
.app p{font-size:.91rem;color:var(--ink-soft)}
.app .spec{margin-top:16px;padding-top:13px;border-top:1px dashed var(--line);font-size:.8rem;color:var(--ink-faint)}
.app .spec b{color:var(--fern-bright);font-weight:600}
.app.wide{grid-column:span 3}
@media(min-width:881px){
  .app.wide{grid-column:span 3;flex-direction:row;align-items:center}
  .app.wide .top{padding:30px 0 30px 34px;flex:1 1 46%}
  .app.wide .body{padding:0 34px 0 34px;flex:1 1 54%}
  .app.wide .art{height:150px;margin:0}
}

/* ---------- WOOL / PROVENANCE ---------- */
.woolgrid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:44px}
.wcard{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--fern);border-radius:14px;padding:26px 28px;box-shadow:var(--shadow-s)}
.wcard.clay{border-left-color:var(--clay)}
.wcard h3{font-size:1.22rem;margin-bottom:10px}
.wcard p{font-size:.95rem;color:var(--ink-soft)}
.wcard p + p{margin-top:11px}
.wcard ul{list-style:none;margin-top:12px}
.wcard li{position:relative;padding-left:22px;font-size:.93rem;color:var(--ink-soft);margin-bottom:7px}
.wcard li::before{content:"";position:absolute;left:2px;top:10px;width:7px;height:7px;border:1.5px solid var(--fern);transform:rotate(45deg)}

/* ---------- PROCESS ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:44px;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--card);box-shadow:var(--shadow-s)}
.step{padding:26px 22px;border-right:1px solid var(--line);transition:background .3s}
.step:last-child{border-right:none}
.step:hover{background:var(--paper-2)}
.step .sn{font-family:"Fraunces",serif;font-style:italic;color:var(--clay);font-size:1.1rem}
.step h3{font-size:1.1rem;margin:7px 0 8px}
.step p{font-size:.86rem;color:var(--ink-soft)}

/* ---------- ROOM CALCULATOR ---------- */
.calc{display:grid;grid-template-columns:.95fr 1.05fr;gap:30px;margin-top:44px;align-items:stretch}
.calcform{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 30px;box-shadow:var(--shadow-s)}
.calcform h3{font-size:1.2rem;margin-bottom:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.76rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:.95rem;color:var(--ink);
  background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:11px 13px;transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--fern);background:#fff}
.dims{display:grid;grid-template-columns:repeat(3,1fr);gap:11px}
.calcout{background:var(--fern);color:#E9F0E9;border-radius:var(--radius);padding:30px 32px;display:flex;flex-direction:column;justify-content:center;box-shadow:var(--shadow-m)}
.calcout .big{font-family:"Fraunces",serif;font-size:3.4rem;font-weight:560;color:#fff;line-height:1}
.calcout .biglbl{font-size:.86rem;color:#A9C3B2;margin-top:8px;letter-spacing:.05em}
.calcout .split{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.calcout .kv{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:14px 16px}
.calcout .kv .k{font-size:.72rem;letter-spacing:.09em;text-transform:uppercase;color:#9FB8A6}
.calcout .kv .v{font-family:"Fraunces",serif;font-size:1.5rem;color:#fff;margin-top:5px;line-height:1}
.calcout .msg{margin-top:22px;font-size:.9rem;color:#C7D7CB;border-top:1px solid rgba(255,255,255,.16);padding-top:18px}
.calcout .msg b{color:var(--clay-soft)}

/* ---------- EVIDENCE ---------- */
.evid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:40px}
.ecard{
  display:flex;gap:18px;align-items:flex-start;text-decoration:none;
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px 26px;
  box-shadow:var(--shadow-s);transition:.25s;
}
.ecard:hover{border-color:var(--fern);transform:translateX(4px)}
.ecard .ei{font-family:"Fraunces",serif;font-size:1.4rem;color:var(--clay);line-height:1}
.ecard h3{font-size:1.1rem;margin-bottom:6px}
.ecard p{font-size:.87rem;color:var(--ink-soft)}
.ecard .go{margin-top:10px;font-size:.8rem;font-weight:600;color:var(--fern-bright)}

/* ---------- CONTACT ---------- */
.contact{background:var(--paper-2)}
.cgrid{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:40px;align-items:start}
.cform{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 32px;box-shadow:var(--shadow-s)}
.cform textarea{min-height:112px;resize:vertical}
.cnote{font-size:.8rem;color:var(--ink-faint);margin-top:12px}
.cside .pt{display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--line)}
.cside .pt:last-of-type{border-bottom:none}
.cside .pt .g{width:26px;height:26px;color:var(--fern);flex:0 0 auto;margin-top:2px}
.cside .pt h3{font-size:1.05rem;margin-bottom:4px}
.cside .pt p{font-size:.9rem;color:var(--ink-soft)}
.cside .pt a{color:var(--clay);font-weight:600;text-decoration:none}
.cside .pt a:hover{text-decoration:underline}
.formmsg{margin-top:14px;font-size:.88rem;color:var(--fern-bright);font-weight:600;display:none}
.formmsg.show{display:block}

/* ---------- FOOTER ---------- */
footer.site{background:var(--ink);color:#C9BFAC;padding:56px 0 34px;position:relative}
footer.site .ftop{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:36px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.13)}
footer.site .mark{background:var(--paper);border-radius:10px}
footer.site .fbrand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
footer.site h2{font-family:"Fraunces",serif;color:var(--paper);font-size:1.3rem;line-height:1.05}
footer.site h2 span{display:block;font-family:"Hanken Grotesk",sans-serif;font-size:.6rem;font-weight:600;letter-spacing:.19em;text-transform:uppercase;color:#8D8271;margin-top:3px}
footer.site p{font-size:.88rem;max-width:42ch;color:#B6AC99}
footer.site h3{font-family:"Hanken Grotesk",sans-serif;font-size:.72rem;font-weight:700;line-height:1.4;letter-spacing:.16em;text-transform:uppercase;color:#8D8271;margin-bottom:14px}
footer.site ul{list-style:none}
footer.site li{margin-bottom:9px}
footer.site a{color:#C9BFAC;text-decoration:none;font-size:.9rem;transition:.2s}
footer.site a:hover{color:var(--paper)}
.fbot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:24px;font-size:.78rem;color:#8D8271}
.fbot .disc{max-width:74ch;line-height:1.55}

/* ---------- RESPONSIVE ---------- */
@media(max-width:1000px){
  .herogrid{grid-template-columns:1fr;gap:36px}
  .herologo{max-width:400px;margin:0 auto}
  .statrow{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step{border-bottom:1px solid var(--line)}
  .step:nth-child(2n){border-right:none}
}
@media(max-width:880px){
  .wrap{padding:0 22px}
  .navin{padding:11px 22px}
  section{padding:58px 0}
  .navlinks{
    display:none;position:absolute;top:100%;left:0;right:0;background:var(--paper);
    flex-direction:column;align-items:stretch;padding:12px 20px 20px;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-m);
  }
  .navlinks.open{display:flex}
  .navlinks a{padding:12px 14px;font-size:.95rem}
  .navlinks a.cta{margin-left:0;text-align:center;justify-content:center}
  .navtoggle{
    display:inline-flex;margin-left:auto;background:var(--fern);color:var(--paper);border:none;
    border-radius:10px;padding:9px 15px;font-weight:600;font-size:.85rem;cursor:pointer;font-family:inherit;
  }
  .probgrid,.howgrid,.apps,.woolgrid,.evid,.cgrid,.calc{grid-template-columns:1fr}
  .stackwrap{grid-template-columns:1fr;padding:28px 24px}
  .app.wide{grid-column:span 1}
  .ctrls,.readout{grid-template-columns:1fr}
  .lab{padding:24px 20px 28px}
  .calcform,.calcout,.cform{padding:24px 22px}
  .steps{grid-template-columns:1fr}
  .step{border-right:none}
  footer.site .ftop{grid-template-columns:1fr;gap:26px}
}
@media(max-width:520px){
  .statrow{grid-template-columns:1fr}
  .dims{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}