:root{
    --ink:#1F2A2A;
    --ink-deep:#161D1D;
    --lime:#8DC142;
    --lime-soft:#A6D165;
    --forest:#6A922F;
    --paper:#FFFFFF;
    --mist:#F3F6F0;
    --mist-2:#EDF1E8;
    --line:#E4E9E0;
    --muted:#5B6660;
    --maxw:1180px;
    --r:18px;
    --ease:cubic-bezier(.2,.7,.2,1);
  }

  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

  body{
    font-family:Arial, "Helvetica Neue", Helvetica, sans-serif;
    color:var(--ink);
    background:var(--paper);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }

  a{color:inherit;text-decoration:none}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}

  /* ---------- typography ---------- */
  h1,h2,h3{color:var(--ink);font-weight:700;letter-spacing:-.01em;line-height:1.08}
  .display{font-size:clamp(2.6rem,7vw,5.4rem);font-weight:700;letter-spacing:-.03em;line-height:.98}
  .eyebrow{
    display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.18em;
    text-transform:uppercase;color:var(--forest);
  }
  .lead{font-size:clamp(1.05rem,1.6vw,1.3rem);color:var(--muted);max-width:60ch}

  /* wordmark */
  .mark{font-weight:700;letter-spacing:-.02em;color:var(--ink)}
  .mark b{color:var(--lime);font-weight:700}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;gap:.55rem;
    font-weight:700;font-size:.95rem;letter-spacing:.01em;
    padding:.85rem 1.5rem;border-radius:999px;cursor:pointer;border:0;
    transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s;
  }
  .btn-primary{background:var(--forest);color:#fff}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px -10px rgba(106,146,47,.6)}
  .btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
  .btn-ghost:hover{border-color:var(--lime);color:var(--forest);transform:translateY(-2px)}
  .btn:focus-visible{outline:3px solid var(--lime-soft);outline-offset:3px}

  /* ---------- nav ---------- */
  header.nav{
    position:fixed;top:0;left:0;right:0;z-index:50;
    background:rgba(255,255,255,.82);backdrop-filter:saturate(160%) blur(12px);
    border-bottom:1px solid transparent;transition:border-color .3s, box-shadow .3s;
  }
  header.nav.scrolled{border-color:var(--line);box-shadow:0 6px 24px -18px rgba(31,42,42,.4)}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
  .nav-logo{font-size:1.5rem}
  .nav-links{display:flex;align-items:center;gap:1.6rem}
  .nav-links a{font-size:.92rem;font-weight:600;color:var(--ink);position:relative;padding:.2rem 0}
  .nav-links a::after{
    content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--lime);
    transition:width .28s var(--ease);
  }
  .nav-links a:hover::after,.nav-links a:focus-visible::after{width:100%}
  .nav-cta{margin-left:1rem}
  .nav-links a.btn-primary{color:#fff}
  .nav-links a.btn-primary::after{display:none}
  .burger{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px}
  .burger span{display:block;height:2px;width:24px;background:var(--ink);margin:5px auto;transition:.3s var(--ease)}

  /* ---------- hero ---------- */
  .hero{position:relative;padding:170px 0 110px;overflow:hidden}
  #net{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.9}
  .hero .wrap{position:relative;z-index:2}
  .hero-mark{font-size:clamp(3.2rem,9vw,6.5rem);font-weight:700;letter-spacing:-.04em;line-height:1}
  .pill-tag{
    display:inline-block;margin:26px 0 18px;padding:.7rem 1.4rem;border-radius:999px;
    background:var(--lime);color:#fff;font-weight:700;font-size:clamp(1rem,2.4vw,1.5rem);
    letter-spacing:-.01em;box-shadow:0 10px 30px -14px rgba(141,193,66,.8);
  }
  .hero-sub{font-size:clamp(1.05rem,1.8vw,1.35rem);color:var(--muted);max-width:46ch;margin-bottom:34px}
  .hero-actions{display:flex;gap:14px;flex-wrap:wrap}
  .hero-quicklink{display:flex;width:max-content;max-width:100%;align-items:center;gap:9px;margin-top:22px;padding:.6rem 1.1rem;border-radius:999px;background:var(--mist-2);border:1px solid var(--line);color:var(--forest);font-weight:700;font-size:.94rem;text-decoration:none;transition:background .2s var(--ease),transform .2s var(--ease)}
  .hero-quicklink:hover{background:#E2EFD2;transform:translateX(3px)}
  .hero-quicklink .spark{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(141,193,66,.22)}
  .hero-quicklink svg{width:15px;height:15px}
  .scroll-cue{margin-top:64px;display:inline-flex;align-items:center;gap:.6rem;color:var(--muted);font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700}
  .scroll-cue i{display:block;width:1px;height:34px;background:linear-gradient(var(--lime),transparent);animation:drop 2.4s var(--ease) infinite}
  @keyframes drop{0%{transform:scaleY(.2);transform-origin:top;opacity:0}40%{opacity:1}100%{transform:scaleY(1);transform-origin:top;opacity:0}}

  /* ---------- section frame ---------- */
  section{padding:96px 0;position:relative}
  .sec-head{margin-bottom:54px;max-width:62ch}
  .rule{display:flex;align-items:center;gap:10px;margin:14px 0 22px}
  .rule b{display:block;height:5px;width:64px;background:var(--lime);border-radius:3px}
  .rule i{display:block;width:6px;height:6px;border-radius:50%;background:var(--lime);opacity:.55}
  .rule i:nth-child(3){opacity:.35}
  .rule i:nth-child(4){opacity:.2}
  .sec-title{font-size:clamp(1.9rem,4vw,3rem)}

  /* ---------- purpose / hex trio ---------- */
  .purpose{background:var(--paper)}
  .trio{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:8px}
  .hexcard{text-align:center}
  .hex{
    width:128px;height:128px;margin:0 auto 18px;position:relative;
    display:flex;align-items:center;justify-content:center;
  }
  .hex svg{position:absolute;inset:0;width:100%;height:100%}
  .hex .ico{position:relative;z-index:2;color:#fff;width:46px;height:46px}
  .hexcard h3{font-size:1.35rem;margin-bottom:6px}
  .hexcard p{color:var(--muted);font-size:.96rem;max-width:30ch;margin:0 auto}
  .emphasis{
    margin-top:54px;background:var(--forest);color:#fff;border-radius:var(--r);
    padding:30px 36px;font-size:clamp(1.15rem,2.4vw,1.7rem);font-weight:700;text-align:center;
    letter-spacing:-.01em;box-shadow:0 22px 50px -30px rgba(106,146,47,.9);
  }

  /* ---------- approach / pathway ---------- */
  .approach{background:var(--mist)}
  .flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:stretch;gap:0;margin-top:10px}
  .step{
    background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;position:relative;
  }
  .step .n{
    font-weight:700;font-size:.8rem;letter-spacing:.14em;color:var(--forest);
    display:inline-flex;align-items:center;gap:.5rem;margin-bottom:14px;text-transform:uppercase;
  }
  .step .n span{width:26px;height:26px;border-radius:50%;background:var(--mist-2);display:inline-flex;align-items:center;justify-content:center;color:var(--forest)}
  .step h3{font-size:1.2rem;margin-bottom:8px}
  .step p{color:var(--muted);font-size:.94rem}
  .arrow{display:flex;align-items:center;justify-content:center;color:var(--lime);padding:0 6px}
  .arrow svg{width:34px;height:34px}

  /* ---------- technology ---------- */
  .tech{background:var(--paper)}
  .feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:6px}
  .feat{
    display:flex;gap:18px;padding:28px;border-radius:var(--r);
    background:var(--mist);border:1px solid var(--line);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
  .feat:hover{transform:translateY(-4px);box-shadow:0 24px 44px -28px rgba(31,42,42,.5)}
  .feat .badge{flex:0 0 auto;width:52px;height:52px;border-radius:14px;background:var(--ink);display:flex;align-items:center;justify-content:center;color:var(--lime)}
  .feat .badge svg{width:26px;height:26px}
  .feat h3{font-size:1.16rem;margin-bottom:6px}
  .feat p{color:var(--muted);font-size:.95rem}

  /* ---------- applications (offset shadow cards) ---------- */
  .apps{background:var(--mist)}
  .app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:6px}
  .app{position:relative}
  .app .card{
    position:relative;z-index:2;background:#fff;border:1px solid var(--line);border-radius:var(--r);
    padding:28px 24px;height:100%;transition:transform .3s var(--ease)}
  .app::before{
    content:"";position:absolute;z-index:1;inset:0;transform:translate(10px,12px);
    background:var(--lime);border-radius:var(--r);opacity:.9;transition:transform .3s var(--ease)}
  .app:hover .card{transform:translate(-2px,-2px)}
  .app:hover::before{transform:translate(14px,16px)}
  .app .ico{width:42px;height:42px;color:var(--forest);margin-bottom:16px}
  .app h3{font-size:1.18rem;margin-bottom:8px}
  .app p{color:var(--muted);font-size:.92rem}

  /* ---------- platform / stats ---------- */
  .platform{background:var(--ink);color:#fff;border-radius:0}
  .platform .sec-title{color:#fff}
  .platform .lead{color:#C7D2C9}
  .platform .rule b,.platform .rule i{background:var(--lime)}
  .plat-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
  .stats{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
  .stat{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:24px}
  .stat .v{font-size:clamp(2rem,4vw,2.8rem);font-weight:700;color:var(--lime);letter-spacing:-.02em;line-height:1}
  .stat .k{margin-top:8px;font-size:.86rem;color:#B9C6BC;letter-spacing:.02em}
  .plat-copy h3{color:#fff;font-size:1.4rem;margin:0 0 10px}
  .plat-copy p{color:#C7D2C9;margin-bottom:16px}
  .ref{display:flex;gap:14px;align-items:flex-start;background:rgba(141,193,66,.1);border:1px solid rgba(141,193,66,.3);border-radius:14px;padding:18px 20px}
  .ref .dot{flex:0 0 auto;margin-top:6px;width:10px;height:10px;border-radius:50%;background:var(--lime)}
  .ref small{display:block;color:var(--lime);font-weight:700;letter-spacing:.1em;text-transform:uppercase;font-size:.7rem;margin-bottom:4px}
  .ref p{color:#DCE6DD;margin:0;font-size:.95rem}

  /* ---------- contact ---------- */
  .contact{background:var(--paper)}
  .contact-card{
    background:var(--mist);border:1px solid var(--line);border-radius:24px;
    padding:clamp(34px,5vw,64px);text-align:center}
  .contact h2{font-size:clamp(2rem,4.5vw,3.2rem);margin-bottom:14px}
  .contact p{color:var(--muted);max-width:54ch;margin:0 auto 28px}
  .contact .hero-actions{justify-content:center}
  .contact .meta{margin-top:34px;display:flex;gap:34px;justify-content:center;flex-wrap:wrap;color:var(--muted);font-size:.92rem}
  .contact .meta b{display:block;color:var(--ink);font-weight:700;margin-bottom:2px}

  /* lead form */
  .lead-form{max-width:560px;margin:6px auto 0;text-align:left}
  .lead-form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .field{margin-bottom:16px}
  .field label{display:block;font-size:.82rem;font-weight:700;color:var(--ink);margin-bottom:6px}
  .field input,.field select,.field textarea{
    width:100%;font:inherit;font-size:.95rem;color:var(--ink);background:#fff;
    border:1.5px solid var(--line);border-radius:12px;padding:.7rem .85rem;transition:border-color .2s,box-shadow .2s}
  .field textarea{resize:vertical;min-height:104px}
  .field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(141,193,66,.22)}
  .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
  .lead-form .btn{width:100%;justify-content:center;margin-top:4px}
  .form-note{margin-top:14px;font-size:.86rem;text-align:center;min-height:1.2em}
  .form-note.ok{color:var(--forest);font-weight:700}
  .form-note.err{color:#B23B3B;font-weight:700}
  .btn[disabled]{opacity:.6;cursor:not-allowed;transform:none}
  @media (max-width:560px){.lead-form .row{grid-template-columns:1fr}}

  /* ---------- footer ---------- */
  footer{background:var(--ink-deep);color:#9FB0A2;padding:48px 0 40px;font-size:.86rem}
  .foot-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.08)}
  .foot-top .mark{font-size:1.4rem;color:#fff}
  .foot-top .mark b{color:var(--lime)}
  .foot-links{display:flex;gap:24px;flex-wrap:wrap}
  .foot-links a:hover{color:var(--lime)}
  .foot-bottom{padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#7C8C7F}

  /* ---------- biochar ---------- */
  .biochar{background:var(--paper)}
  .bio-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:start}
  .bio-copy p{color:var(--muted);margin-bottom:16px;font-size:1.04rem}
  .bio-copy p strong{color:var(--ink);font-weight:700}
  .bio-chips{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:4px}
  .chip{background:var(--mist);border:1px solid var(--line);border-radius:16px;padding:22px 20px}
  .chip .v{font-size:1.75rem;font-weight:700;color:var(--forest);line-height:1;letter-spacing:-.02em}
  .chip .k{margin-top:8px;font-size:.86rem;color:var(--muted);line-height:1.45}
  .journey{margin-top:54px;display:flex;align-items:flex-start;justify-content:space-between;gap:6px;flex-wrap:wrap}
  .jstep{flex:1 1 0;min-width:118px;text-align:center}
  .jc{width:64px;height:64px;border-radius:50%;margin:0 auto 14px;background:var(--mist);border:2px solid var(--lime);display:flex;align-items:center;justify-content:center;color:var(--forest)}
  .jc svg{width:28px;height:28px}
  .jstep h4{font-size:1rem;margin-bottom:4px;color:var(--ink)}
  .jstep p{font-size:.82rem;color:var(--muted);max-width:22ch;margin:0 auto}
  .jarrow{flex:0 0 auto;color:var(--lime);padding-top:20px}
  .jarrow svg{width:26px;height:26px}

  /* ---------- partnership ---------- */
  .partnership{background:var(--mist)}
  .part-intro{max-width:64ch;color:var(--muted);font-size:1.06rem;margin-top:18px}
  .part-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:36px}
  .pcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 24px;position:relative;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
  .pcard:hover{transform:translateY(-4px);box-shadow:0 24px 44px -28px rgba(31,42,42,.5)}
  .pcard .num{font-size:2.5rem;font-weight:700;color:var(--lime);line-height:1;letter-spacing:-.03em}
  .pcard h3{font-size:1.12rem;margin:14px 0 8px}
  .pcard p{color:var(--muted);font-size:.92rem}
  .part-foot{margin-top:34px;text-align:center;font-size:clamp(1.1rem,2.2vw,1.5rem);font-weight:700;color:var(--ink);letter-spacing:-.01em}
  .part-foot span{color:var(--forest)}

  /* ---------- technology media ---------- */
  .tech-intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;margin-bottom:8px}
  .tech-shot{margin:0}
  .tech-shot img{width:100%;max-height:380px;object-fit:cover;border-radius:var(--r);display:block;border:1px solid var(--line)}
  .figcap{margin-top:12px;font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:700}
  .tech-blurb p{color:var(--muted);font-size:1.04rem}
  .spec-row{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin:42px 0 6px}
  .spec{background:var(--mist);border:1px solid var(--line);border-radius:14px;padding:18px 16px}
  .spec .v{font-size:1.35rem;font-weight:700;color:var(--forest);line-height:1;letter-spacing:-.02em}
  .spec .k{margin-top:6px;font-size:.76rem;color:var(--muted);line-height:1.4}
  .sub-head{margin:56px 0 22px}
  .sub-head h3{font-size:1.5rem}
  .sub-head p{color:var(--muted);margin-top:6px;max-width:60ch}
  .schematic-band{display:grid;grid-template-columns:1fr 1fr;gap:28px}
  .figure{background:var(--mist);border:1px solid var(--line);border-radius:var(--r);padding:20px}
  .figure img{width:100%;display:block;border-radius:10px;background:#fff}
  .figure .figcap{margin-top:14px;text-align:center}

  /* ---------- calculator ---------- */
  .value{background:var(--paper)}
  .calc-wrap{background:var(--ink);color:#fff;border-radius:24px;padding:clamp(26px,4vw,48px)}
  .calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
  .calc-controls .ctl{margin-bottom:24px}
  .calc-controls .ctl label{display:flex;justify-content:space-between;align-items:baseline;font-size:.95rem;font-weight:700;margin-bottom:10px;color:#E6EDE7}
  .calc-controls .ctl label span{color:var(--lime);font-size:1.1rem}
  input[type=range]{width:100%;height:6px;border-radius:6px;accent-color:var(--lime);cursor:pointer}
  .calc-mini{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .calc-mini .m label{font-size:.78rem;color:#B9C6BC;font-weight:700;margin-bottom:6px;display:block}
  .calc-mini .m input{width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);color:#fff;border-radius:10px;padding:.55rem .7rem;font:inherit;font-size:.95rem}
  .calc-mini .m input:focus{outline:none;border-color:var(--lime)}
  .calc-results{background:rgba(141,193,66,.08);border:1px solid rgba(141,193,66,.32);border-radius:18px;padding:26px}
  .cr-line{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1)}
  .cr-line .lbl{color:#C7D2C9;font-size:.92rem}
  .cr-line .val{font-weight:700;font-size:1.15rem;white-space:nowrap}
  .cr-total{margin-top:8px;padding-top:18px;border-top:2px solid var(--lime);border-bottom:0}
  .cr-total .lbl{color:#fff;font-weight:700;font-size:1rem}
  .cr-total .val{color:var(--lime);font-size:clamp(1.5rem,3vw,2.1rem);letter-spacing:-.02em}
  .calc-note{margin-top:18px;font-size:.76rem;color:#8FA093;line-height:1.55}

  /* calculator gate */
  .calc-results{position:relative;overflow:hidden}
  #calc-output{transition:filter .4s, opacity .4s}
  #calc-output.locked{filter:blur(9px);opacity:.5;pointer-events:none;user-select:none}
  #calc-gate{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;gap:11px;padding:28px;border-radius:18px;background:rgba(20,27,27,.74);backdrop-filter:blur(3px)}
  #calc-gate.hidden{display:none}
  #calc-gate h4{color:#fff;font-size:1.25rem;letter-spacing:-.01em}
  #calc-gate p{color:#C7D2C9;font-size:.86rem;margin:0}
  #calc-gate input{width:100%;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:10px;padding:.6rem .75rem;font:inherit;font-size:.92rem}
  #calc-gate input::placeholder{color:#9FB0A2}
  #calc-gate input:focus{outline:none;border-color:var(--lime)}
  #calc-gate .btn{width:100%;justify-content:center;margin-top:4px}
  .gate-note{min-height:1em;font-size:.84rem;font-weight:700;margin:0}
  .gate-note.err{color:#FF9C9C}
  .gate-consent{font-size:.72rem;color:#8FA093}

  /* ---------- sarva ---------- */
  .sarva{background:var(--paper)}
  .sarva-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;margin-bottom:8px}
  .caps{display:grid;grid-template-columns:1fr 1fr;gap:18px}
  .cap{background:var(--mist);border:1px solid var(--line);border-radius:14px;padding:20px}
  .cap .ic{width:36px;height:36px;border-radius:10px;background:var(--ink);display:flex;align-items:center;justify-content:center;color:var(--lime);margin-bottom:12px}
  .cap .ic svg{width:19px;height:19px}
  .cap h4{font-size:1.02rem;margin-bottom:6px}
  .cap p{color:var(--muted);font-size:.87rem}
  .sarva-shot{margin:0}
  .sarva-shot img{width:100%;border-radius:var(--r);border:1px solid var(--line);background:#fff;display:block}
  .sarva-shot .figcap{margin-top:12px;text-align:center}
  .modules-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
  .registry-band{margin-top:54px;text-align:center;background:var(--mist);border:1px solid var(--line);border-radius:20px;padding:clamp(28px,4vw,40px)}
  .registry-band img{max-width:740px;width:100%;height:auto;margin:16px auto 24px;display:block}

  /* ---------- benefits ---------- */
  .benefits{margin-top:58px}
  .benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:8px}
  .benefit{background:var(--mist);border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
  .benefit:hover{transform:translateY(-4px);box-shadow:0 22px 40px -28px rgba(31,42,42,.5)}
  .benefit .bi{width:46px;height:46px;border-radius:12px;background:var(--ink);display:flex;align-items:center;justify-content:center;color:var(--lime);margin-bottom:14px}
  .benefit .bi svg{width:23px;height:23px}
  .benefit h4{font-size:1.08rem;margin-bottom:6px}
  .benefit p{color:var(--muted);font-size:.92rem}

  /* ---------- feedstock ---------- */
  .feedstock{background:var(--paper)}
  .fs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:8px}
  .fs-card{background:var(--mist);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
  .fs-card img{width:100%;height:168px;object-fit:cover;display:block}
  .fs-card .fc{padding:22px}
  .fs-card .tag{font-size:.74rem;font-weight:700;color:var(--forest);letter-spacing:.08em;text-transform:uppercase}
  .fs-card h4{font-size:1.14rem;margin:8px 0 6px}
  .fs-card p{color:var(--muted);font-size:.92rem}
  .fs-note{margin-top:30px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .fs-fact{background:var(--ink);color:#fff;border-radius:14px;padding:20px 22px}
  .fs-fact b{color:var(--lime);display:block;font-size:1.05rem;margin-bottom:4px}
  .fs-fact span{color:#C7D2C9;font-size:.88rem;line-height:1.5}

  /* ---------- team ---------- */
  .team{background:var(--mist)}
  .team-group + .team-group{margin-top:50px}
  .sub-head.center{text-align:center}
  .sub-head.center p{margin-left:auto;margin-right:auto}
  .team-grid{display:grid;gap:24px;margin-top:8px}
  .team-grid.founders{grid-template-columns:repeat(2,minmax(0,300px));justify-content:center}
  .team-grid.advisors{grid-template-columns:repeat(3,1fr)}
  .tmember{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 24px;text-align:center;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
  .tmember:hover{transform:translateY(-4px);box-shadow:0 24px 44px -28px rgba(31,42,42,.5)}
  .tmember .ph{width:118px;height:118px;border-radius:50%;margin:0 auto 16px;overflow:hidden;border:3px solid var(--lime);background:var(--mist)}
  .tmember .ph img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block}
  .tmember h4{font-size:1.12rem}
  .tmember .role{color:var(--forest);font-weight:700;font-size:.84rem;margin:5px 0 12px;line-height:1.35}
  .tmember p{color:var(--muted);font-size:.88rem}

  /* ---------- reveal ---------- */
  .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
  .reveal.in{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none}
    .scroll-cue i{animation:none}
  }

  /* ---------- responsive ---------- */
  @media (max-width:980px){
    .feat-grid,.app-grid,.part-grid,.modules-grid,.benefit-grid{grid-template-columns:repeat(2,1fr)}
    .plat-grid,.bio-grid,.tech-intro-grid,.schematic-band,.calc-grid,.sarva-grid{grid-template-columns:1fr;gap:34px}
    .team-grid.advisors{grid-template-columns:1fr}
    .flow{grid-template-columns:1fr;gap:14px}
    .arrow{transform:rotate(90deg);padding:2px 0}
    .jarrow{display:none}
    .jstep{flex-basis:45%}
    .spec-row{grid-template-columns:repeat(3,1fr)}
  }
  @media (max-width:760px){
    .nav-links{
      position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:flex-start;gap:0;
      background:#fff;border-bottom:1px solid var(--line);padding:8px 28px 22px;
      transform:translateY(-130%);transition:transform .35s var(--ease);box-shadow:0 20px 40px -28px rgba(31,42,42,.5)}
    .nav-links.open{transform:translateY(0)}
    .nav-links a{width:100%;padding:14px 0;border-bottom:1px solid var(--line)}
    .nav-links .nav-cta{margin:14px 0 0;width:100%;justify-content:center}
    .burger{display:block}
    .trio{grid-template-columns:1fr;gap:34px}
  }
  @media (max-width:560px){
    .app-grid{grid-template-columns:1fr}
    .part-grid{grid-template-columns:1fr}
    .modules-grid{grid-template-columns:1fr}
    .caps{grid-template-columns:1fr}
    .stats{grid-template-columns:1fr}
    .bio-chips{grid-template-columns:1fr}
    .spec-row{grid-template-columns:1fr 1fr}
    .calc-mini{grid-template-columns:1fr}
    .benefit-grid{grid-template-columns:1fr}
    .team-grid.founders{grid-template-columns:1fr;justify-content:stretch}
    .fs-grid{grid-template-columns:1fr}
    .fs-note{grid-template-columns:1fr}
    .contact .meta{gap:22px}
  }


/* ================= PyroSA article + Q and A pages ================= */
.page-top{padding:140px 0 10px;background:var(--mist)}
.page-top .wrap{max-width:820px}
.page-kicker{display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--forest);margin-bottom:14px}
.page-title{font-size:clamp(1.8rem,3.6vw,2.6rem);margin-bottom:14px}
.page-meta{font-size:.85rem;color:var(--muted)}
.page-lede{font-size:1.05rem;color:var(--muted);max-width:62ch;margin-top:18px}
.page-body{padding:40px 0 70px;background:var(--mist)}
.page-body .wrap{max-width:820px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:30px 34px;margin-bottom:22px}
.card h2{font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--forest);padding-bottom:10px;border-bottom:2px solid var(--lime);margin-bottom:22px}
.qa{margin-bottom:28px;padding-left:18px;border-left:3px solid var(--lime)}
.qa:last-child{margin-bottom:0}
.qa h3{font-size:1.12rem;margin-bottom:10px;line-height:1.3}
.qa p{font-size:.97rem;color:var(--muted);margin-bottom:11px;line-height:1.7}
.qa p:first-of-type{color:var(--ink);font-weight:700}
.qa p:last-child{margin-bottom:0}
.item{margin-bottom:26px;padding-left:18px;border-left:3px solid var(--line)}
.item:last-child{margin-bottom:0}
.item.key{border-left-color:var(--lime)}
.item h3{font-size:1.05rem;margin-bottom:8px;line-height:1.35}
.item h3 a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--lime)}
.item h3 a:hover{color:var(--forest)}
.item p{font-size:.95rem;color:var(--muted);line-height:1.7;margin-bottom:9px}
.item p:last-child{margin-bottom:0}
.tag{display:inline-block;font-size:.66rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--forest);margin-bottom:5px}
.flag{display:inline-block;background:var(--ink);color:var(--lime);font-size:.63rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;padding:3px 9px;border-radius:4px;margin-bottom:7px}
.src{font-size:.82rem;color:var(--forest);font-style:italic}
.src a{color:var(--forest)}
.signal{background:var(--lime);color:var(--ink);border-radius:var(--r);padding:18px 24px;margin-bottom:22px;font-weight:700;font-size:.95rem;line-height:1.5}
.signal span{display:block;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;opacity:.65;margin-bottom:6px}
table.price{width:100%;border-collapse:collapse;margin-top:4px}
table.price th{background:var(--ink);color:var(--lime);font-size:.7rem;letter-spacing:.09em;text-transform:uppercase;text-align:left;padding:10px 12px;font-weight:700}
table.price td{font-size:.88rem;color:var(--muted);padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.55}
table.price td a{color:var(--forest)}
table.price td.v{font-weight:700;color:var(--ink);white-space:nowrap}
table.price tr.own td{background:var(--mist-2);color:var(--ink)}
.note{font-size:.85rem;color:var(--muted);font-style:italic;margin-top:14px;line-height:1.6}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ev{background:var(--mist);border-radius:12px;padding:13px 15px;border-top:3px solid var(--lime)}
.ev b{display:block;font-size:.72rem;color:var(--forest);margin-bottom:4px}
.ev strong{display:block;font-size:.9rem;color:var(--ink);line-height:1.3}
.ev span{font-size:.82rem;color:var(--muted)}
.dl{display:flex;gap:14px;margin-bottom:14px;align-items:flex-start}
.dl:last-child{margin-bottom:0}
.dl b{background:var(--lime);color:var(--ink);font-size:.74rem;font-weight:700;padding:4px 10px;border-radius:5px;white-space:nowrap;min-width:76px;text-align:center;flex-shrink:0;margin-top:2px}
.dl span{font-size:.93rem;color:var(--muted);line-height:1.6}
.hub-item{display:block;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:24px 28px;margin-bottom:14px;text-decoration:none;transition:border-color .25s,transform .25s}
.hub-item:hover{border-color:var(--lime);transform:translateY(-2px)}
.hub-item b{display:block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--forest);margin-bottom:7px}
.hub-item strong{display:block;font-size:1.15rem;color:var(--ink);margin-bottom:8px;line-height:1.3}
.hub-item span{font-size:.94rem;color:var(--muted);line-height:1.65}
@media(max-width:720px){
  .page-top{padding:110px 0 8px}
  .card{padding:24px 20px}
  .grid2{grid-template-columns:1fr}
  table.price td,table.price th{padding:8px 7px;font-size:.8rem}
}