:root{
    --sand:#E9E1D2; --sand-light:#F4EEE2; --dune:#C8B694;
    --field:#1C4634; --ink:#17211C; --signal:#9AB973;
    --display:'Space Grotesk',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
    --text:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{font-family:var(--text);background:var(--sand);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
  h1,h2,h3,.display{font-family:var(--display);font-weight:600;letter-spacing:-0.02em}
  .wrap{max-width:1200px;margin:0 auto;padding:0 32px}
  a{color:inherit;text-decoration:none}
  section{position:relative}
  .eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--signal);margin-bottom:28px}
  .eyebrow::before{content:"";width:34px;height:2px;background:var(--signal);border-radius:2px}
  .eyebrow-dark{color:var(--field)} .eyebrow-dark::before{background:var(--field)}
  .btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-weight:600;font-size:15px;padding:14px 28px;border-radius:999px;border:none;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s}
  .btn-signal{background:var(--signal);color:var(--ink)}
  .btn-signal:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(23,33,28,.18)}
  .btn-ghost{background:transparent;color:var(--sand);border:1px solid rgba(233,225,210,.4)}
  .btn-ghost:hover{border-color:var(--sand);background:rgba(233,225,210,.08)}
  .btn-ink{background:var(--ink);color:var(--sand)}
  .btn-ink:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(23,33,28,.25)}
  .link-arrow{font-family:var(--display);font-weight:600;font-size:15px;color:var(--field);display:inline-flex;align-items:center;gap:8px}
  .link-arrow svg{transition:transform .25s}
  .link-arrow:hover svg{transform:translateX(5px)}

  /* ---------- NAV ---------- */
  nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .35s,box-shadow .35s;padding:20px 0}
  nav.solid{background:rgba(244,238,226,.92);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(23,33,28,.08)}
  nav.on-dark:not(.solid){background:transparent}
  .nav-inner{display:flex;align-items:center;justify-content:space-between}
  .brand{display:flex;align-items:center;gap:12px;font-family:var(--display);font-weight:600;font-size:20px;letter-spacing:.04em}
  .nav-links{display:flex;align-items:center;gap:32px;font-size:14px;font-weight:500}
  .nav-links a{opacity:.75;transition:opacity .2s;padding:6px 2px;border-bottom:2px solid transparent}
  .nav-links a:hover{opacity:1}
  .nav-links a.active{opacity:1;color:var(--signal);border-bottom-color:var(--signal)}
  nav.solid .nav-links a.active{color:var(--field);border-bottom-color:var(--field)}

  /* ---------- HERO (start page) ---------- */
  .hero{background:var(--field);color:var(--sand);padding:190px 0 110px;overflow:hidden}
  .hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(233,225,210,.10) 1px,transparent 1px);background-size:34px 34px;pointer-events:none}
  .hero-inner{position:relative;z-index:2;text-align:center;max-width:860px;margin:0 auto}
  .hero h1{font-size:clamp(42px,6vw,74px);line-height:1.05;color:var(--sand-light)}
  .hero h1 em{font-style:normal;color:var(--signal)}
  .hero p.lead{font-size:19px;line-height:1.7;color:rgba(233,225,210,.82);max-width:600px;margin:26px auto 0}
  .pulse-strip{margin:56px auto 0;max-width:720px}
  .pulse-strip svg{width:100%;height:auto;display:block}
  .trace{stroke-dasharray:1400;stroke-dashoffset:1400;animation:draw 3.2s ease forwards .4s}
  @keyframes draw{to{stroke-dashoffset:0}}

  /* ---------- COVER CARDS (from slide 1 of each deck) ---------- */
  .covers{padding:110px 0 130px;background:var(--sand)}
  .section-head{max-width:720px;margin-bottom:64px}
  .section-head h2{font-size:clamp(32px,4vw,50px);line-height:1.1;margin:18px 0 18px}
  .section-head p{font-size:18px;color:rgba(23,33,28,.72)}
  .cover-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
  .cover-card{position:relative;border-radius:26px;padding:44px 34px 36px;min-height:420px;display:flex;flex-direction:column;overflow:hidden;transition:transform .3s,box-shadow .3s;border:1px solid rgba(23,33,28,.08)}
  .cover-card:hover{transform:translateY(-6px);box-shadow:0 26px 60px rgba(23,33,28,.14)}
  .cover-card.dark{background:var(--field);color:var(--sand);border-color:transparent}
  .cover-card.light{background:var(--sand-light)}
  .cover-card.green{background:var(--ink);color:var(--sand);border-color:transparent}
  .cover-card .pf{font-family:var(--display);font-size:13px;letter-spacing:.2em;font-weight:600;opacity:.7;margin-bottom:auto}
  .cover-card h3{font-size:clamp(24px,2.2vw,30px);line-height:1.15;margin:22px 0 12px}
  .cover-card.dark h3,.cover-card.green h3{color:var(--sand-light)}
  .cover-card p{font-size:15px;opacity:.78;margin-bottom:26px}
  .cover-card .go{margin-top:auto;font-family:var(--display);font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:8px}
  .cover-card .go svg{transition:transform .25s}
  .cover-card:hover .go svg{transform:translateX(5px)}
  .cover-card.dark .go{color:var(--signal)} .cover-card.green .go{color:var(--signal)}
  .cover-visual{margin-bottom:20px}
  .cover-visual svg{width:100%;height:auto;display:block}

  /* ---------- PRODUCT PAGE HEROES ---------- */
  .p-hero{padding:180px 0 90px;overflow:hidden;position:relative}
  .p-hero.field{background:var(--field);color:var(--sand)}
  .p-hero.ink{background:var(--ink);color:var(--sand)}
  .p-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(233,225,210,.09) 1px,transparent 1px);background-size:34px 34px;pointer-events:none}
  .p-hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
  .p-hero h1{font-size:clamp(38px,5vw,62px);line-height:1.06;color:var(--sand-light)}
  .p-hero h1 em{font-style:normal;color:var(--signal)}
  .p-hero .sub{font-size:19px;color:rgba(233,225,210,.8);max-width:520px;margin-top:22px}
  .p-hero .meta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
  .chip{font-family:var(--display);font-weight:600;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;padding:8px 16px;border-radius:999px;border:1px solid rgba(233,225,210,.3);color:rgba(233,225,210,.85)}
  .hero-panel{background:rgba(233,225,210,.05);border:1px solid rgba(233,225,210,.14);border-radius:24px;padding:32px}
  .hero-panel svg{width:100%;height:auto;display:block}

  /* ---------- SECTIONS ---------- */
  .section{padding:110px 0}
  .band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(23,33,28,.10);border:1px solid rgba(23,33,28,.10);border-radius:20px;overflow:hidden}
  .band.dark-band{background:rgba(233,225,210,.12);border-color:rgba(233,225,210,.14)}
  .band>div{padding:30px 26px;background:var(--sand-light)}
  .band.dark-band>div{background:rgba(233,225,210,.04)}
  .band b{display:block;font-family:var(--display);font-weight:600;font-size:clamp(26px,2.8vw,36px);color:var(--field)}
  .band.dark-band b{color:var(--sand-light)}
  .band span{font-size:13px;color:rgba(23,33,28,.62)}
  .band.dark-band span{color:rgba(233,225,210,.62)}
  .two-col{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
  .card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .card{background:var(--sand-light);border:1px solid rgba(23,33,28,.08);border-radius:22px;padding:34px;transition:transform .3s,box-shadow .3s}
  .card:hover{transform:translateY(-4px);box-shadow:0 20px 50px rgba(23,33,28,.10)}
  .card .num{font-family:var(--display);font-weight:600;font-size:14px;color:var(--field);letter-spacing:.1em;margin-bottom:18px;display:block}
  .card h3{font-size:20px;margin-bottom:10px}
  .card p{font-size:15px;color:rgba(23,33,28,.7)}
  .card.on-dark{background:rgba(233,225,210,.05);border-color:rgba(233,225,210,.12)}
  .card.on-dark .num{color:var(--signal)}
  .card.on-dark h3{color:var(--sand-light)}
  .card.on-dark p{color:rgba(233,225,210,.68)}
  ul.checks{list-style:none;display:grid;gap:12px}
  ul.checks li{padding-left:26px;position:relative;font-size:15.5px;color:rgba(23,33,28,.8)}
  ul.checks li::before{content:"";position:absolute;left:0;top:11px;width:12px;height:2.5px;background:var(--signal);border-radius:2px}
  .panel{background:var(--sand-light);border:1px solid rgba(23,33,28,.08);border-radius:24px;padding:40px}
  .panel.dark{background:rgba(233,225,210,.05);border-color:rgba(233,225,210,.12);color:var(--sand)}
  .panel h3{font-size:22px;margin-bottom:18px}
  table.spec{width:100%;border-collapse:collapse;font-size:15px}
  table.spec th{font-family:var(--display);font-weight:600;text-align:left;padding:12px 14px;border-bottom:2px solid rgba(23,33,28,.15);font-size:14px;letter-spacing:.04em;color:rgba(23,33,28,.7)}
  table.spec td{padding:12px 14px;border-bottom:1px solid rgba(23,33,28,.09)}
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .step{background:var(--sand-light);border:1px solid rgba(23,33,28,.08);border-radius:20px;padding:30px}
  .step .n{font-family:var(--display);font-weight:600;font-size:30px;color:var(--signal);margin-bottom:14px}
  .step h4{font-family:var(--display);font-size:17px;margin-bottom:8px}
  .step p{font-size:14.5px;color:rgba(23,33,28,.7)}

  /* ---------- CTA / FOOTER ---------- */
  .cta{background:var(--field);color:var(--sand);text-align:center;padding:110px 0;overflow:hidden;position:relative}
  .cta::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(233,225,210,.09) 1px,transparent 1px);background-size:30px 30px}
  .cta h2{font-size:clamp(34px,4.6vw,58px);line-height:1.1;color:var(--sand-light);max-width:780px;margin:0 auto 22px;position:relative}
  .cta h2 em{font-style:normal;color:var(--signal)}
  .cta p{font-size:17px;color:rgba(233,225,210,.75);max-width:540px;margin:0 auto 40px;position:relative}
  footer{background:var(--ink);color:rgba(233,225,210,.6);padding:52px 0;font-size:14px}
  .foot-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
  .foot-links{display:flex;gap:26px}
  .foot-links a:hover{color:var(--sand)}
  .back-link{display:inline-flex;align-items:center;gap:8px;font-family:var(--display);font-weight:600;font-size:14px;color:rgba(233,225,210,.7);margin-bottom:26px}
  .back-link:hover{color:var(--signal)}
  .back-link svg{transition:transform .25s}
  .back-link:hover svg{transform:translateX(-4px)}

  /* ---------- RESPONSIVE ---------- */
  @media(max-width:1000px){
    .cover-grid,.card-grid,.steps{grid-template-columns:1fr 1fr}
    .p-hero .wrap,.two-col{grid-template-columns:1fr}
    .band{grid-template-columns:repeat(2,1fr)}
    .nav-links{display:none}
  }
  @media(max-width:640px){
    .cover-grid,.card-grid,.steps{grid-template-columns:1fr}
    .band{grid-template-columns:1fr}
    .section{padding:80px 0}
    .wrap{padding:0 20px}
  }