:root{
  --paper:#f8f7f2;
  --paper-soft:#f0f3ef;
  --ink:#1e2c28;
  --muted:#58655f;
  --line:#d6ddd7;
  --green:#244e41;
  --green-soft:#e7eee9;
  --gold:#a8874d;
  --white:#ffffff;
  --max:1180px;
  --read:760px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:18px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--green)}
.skip-link{position:absolute;left:-9999px;top:10px;background:var(--white);padding:10px 14px;z-index:1000}
.skip-link:focus{left:10px}
.site-header{background:rgba(248,247,242,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-inner{max-width:var(--max);margin:0 auto;padding:14px 28px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);min-width:max-content}
.brand img{width:44px;height:auto;display:block}
.brand span{display:flex;flex-direction:column;line-height:1.1}
.brand strong{font-family:Georgia,'Times New Roman',serif;font-size:24px;font-weight:500}
.brand small{font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin-top:4px}
nav{display:flex;align-items:center;justify-content:flex-end;gap:22px;flex-wrap:wrap}
nav a{text-decoration:none;color:var(--ink);font-size:14px;font-weight:600}
nav a:hover,nav a:focus{text-decoration:underline;text-underline-offset:5px}
main{min-height:60vh}
.opening,.page-intro{padding:92px 28px 82px;border-bottom:1px solid var(--line)}
.opening{padding-top:108px;padding-bottom:104px}
.reading-column{max-width:var(--read);margin:0 auto}
.wide-column{max-width:var(--max);margin:0 auto}
.kicker,.section-label{margin:0 0 18px;color:var(--gold);font-size:13px;font-weight:700;letter-spacing:.15em;text-transform:uppercase}
h1,h2,h3{font-family:Georgia,'Times New Roman',serif;color:var(--green);font-weight:500;margin-top:0}
h1{font-size:clamp(38px,5vw,58px);line-height:1.14;letter-spacing:-.02em;margin-bottom:26px}
h2{font-size:clamp(28px,3.4vw,38px);line-height:1.22;margin-bottom:22px}
h3{font-size:23px;line-height:1.3;margin-bottom:12px}
p{margin:0 0 20px}
.lead{font-size:21px;line-height:1.62;color:#33463f;max-width:820px}
.text-link{display:inline-block;margin-top:16px;font-weight:600;text-decoration:none;border-bottom:1px solid var(--green)}
.section{padding:78px 28px;border-bottom:1px solid var(--line)}
.section.soft{background:var(--paper-soft)}
.closing{padding-top:88px;padding-bottom:92px}
.binary{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:34px 0 8px}
.binary>div{border-top:2px solid var(--green);padding:18px 4px 0}
.binary span,.factor span{font-size:14px;letter-spacing:.14em;font-weight:800;color:var(--green)}
.binary p{margin:8px 0 0;color:var(--muted)}
.function-call{margin:30px 0 0;border-left:3px solid var(--gold);padding:4px 0 4px 24px}
.function-call code{display:block;font-family:Consolas,monospace;font-size:24px;color:var(--green);margin-bottom:12px}
.function-call p{margin:0}
.paths h2{max-width:760px}
.path-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:34px}
.path-card{border:1px solid var(--line);padding:28px;text-decoration:none;color:var(--ink);background:rgba(255,255,255,.45)}
.path-card:hover,.path-card:focus{border-color:var(--green);background:var(--white)}
.path-card span{font-family:Georgia,'Times New Roman',serif;font-size:24px;color:var(--green)}
.path-card p{margin:12px 0 0;color:var(--muted)}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 20px;border:1px solid var(--green);background:var(--green);color:var(--white);text-decoration:none;font-weight:700;font-size:15px;border-radius:3px;cursor:pointer}
.button:hover,.button:focus{background:#173a30}
.button.secondary{background:transparent;color:var(--green)}
.button.secondary:hover,.button.secondary:focus{background:var(--green-soft)}
.decision-flow{margin-top:32px;display:grid;gap:12px}
.decision-flow>div{border:1px solid var(--line);background:var(--white);padding:18px 22px;text-align:center}
.decision-flow .split{display:grid;grid-template-columns:1fr 1fr;gap:12px;border:0;background:transparent;padding:0}
.decision-flow .split span{border:1px solid var(--line);background:var(--white);padding:18px}
.sequence{list-style:none;padding:0;margin:0;display:grid;gap:0}
.sequence li{display:grid;grid-template-columns:54px 1fr;gap:24px;border-top:1px solid var(--line);padding:30px 0}
.sequence li:first-child{border-top:0}
.sequence li>span{font-family:Georgia,'Times New Roman',serif;font-size:27px;color:var(--gold)}
.sequence h2{font-size:30px;margin-bottom:10px}
.sequence p{margin:0;max-width:760px}
.factor{margin:28px 0 0;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.factor span{font-size:20px}
.factor p{margin:8px 0 0}
.plain-list{margin:20px 0 0;padding-left:24px}
.plain-list li{margin:8px 0}
.experience-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,520px);gap:58px;align-items:center}
.experience-grid figure{margin:0}
.experience-grid img{display:block;width:100%;height:auto;border:1px solid var(--line);background:var(--white)}
figcaption{font-size:14px;color:var(--muted);margin-top:10px}
.observation-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 34px;margin-top:28px}
.observation-grid>div{border-top:1px solid var(--line);padding:22px 0}
.observation-grid p{color:var(--muted)}
.packet-request{background:var(--green-soft)}
.packet-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.packet-grid article{background:var(--white);border:1px solid var(--line);padding:30px}
.packet-grid h2{font-size:28px;margin-bottom:5px}
.price{font-family:Georgia,'Times New Roman',serif;font-size:34px;color:var(--green);margin-bottom:16px}
.small-note{font-size:14px;color:var(--muted);max-width:760px;margin-top:20px}
.claim-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.claim-grid article{border-top:2px solid var(--gold);background:var(--white);padding:24px}
.claim-grid span{font-size:13px;letter-spacing:.12em;text-transform:uppercase;font-weight:800;color:var(--green)}
.claim-grid p{margin:10px 0 0}
.form-section{max-width:960px;margin:0 auto;padding:72px 28px 90px;display:grid;grid-template-columns:280px 1fr;gap:64px}
.form-intro h2{font-size:30px}
.inquiry-form{display:grid;gap:20px}
.inquiry-form label{display:grid;gap:7px;font-weight:700;font-size:14px}
.inquiry-form input,.inquiry-form select,.inquiry-form textarea{width:100%;border:1px solid #aeb9b2;background:var(--white);color:var(--ink);font:inherit;font-size:17px;padding:12px;border-radius:2px}
.inquiry-form input:focus,.inquiry-form select:focus,.inquiry-form textarea:focus{outline:3px solid rgba(36,78,65,.16);border-color:var(--green)}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.honeypot{position:absolute;left:-9999px}
.errors{border-left:3px solid #8f2d2d;padding-left:18px;color:#721f1f}
.site-footer{border-top:1px solid var(--line);padding:48px 28px;background:#eceeea}
.footer-grid{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px}
.footer-grid>div{display:flex;flex-direction:column;align-items:flex-start}
.footer-grid a{margin-top:7px;text-decoration:none}
.footer-grid a:hover,.footer-grid a:focus{text-decoration:underline}
.footer-brand{font-family:Georgia,'Times New Roman',serif;font-size:24px;color:var(--green)}
.footer-grid p{color:var(--muted);max-width:480px;margin:10px 0 0}
@media (max-width:980px){
  .header-inner{align-items:flex-start;flex-direction:column;gap:12px}
  nav{justify-content:flex-start;gap:14px 20px}
  .site-header{position:static}
  .experience-grid{grid-template-columns:1fr}
  .experience-grid figure{max-width:680px}
}
@media (max-width:720px){
  body{font-size:17px}
  .opening,.page-intro{padding:62px 22px 56px}
  .section{padding:58px 22px}
  h1{font-size:clamp(34px,10vw,44px)}
  h2{font-size:30px}
  .lead{font-size:19px}
  .binary,.path-grid,.observation-grid,.packet-grid,.claim-grid,.field-grid,.footer-grid{grid-template-columns:1fr}
  .decision-flow .split{grid-template-columns:1fr}
  .form-section{grid-template-columns:1fr;gap:28px;padding:58px 22px}
  .header-inner{padding:13px 20px}
  nav{font-size:13px}
  .sequence li{grid-template-columns:38px 1fr;gap:14px}
  .sequence h2{font-size:27px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* V3 opening-panel and Experience-image correction */

.opening,
.page-intro{
  background:var(--paper-soft);
}

.opening .reading-column,
.page-intro .reading-column,
.page-intro .wide-column{
  position:relative;
}

.experience-grid{
  grid-template-columns:minmax(0,1fr) minmax(280px,420px);
  gap:54px;
}

.experience-grid figure{
  width:100%;
  max-width:420px;
  justify-self:end;
  margin:0;
}

.experience-grid img{
  display:block;
  width:100%;
  max-width:420px;
  height:auto;
  object-fit:contain;
  padding:18px;
  border:1px solid var(--line);
  background:var(--white);
}

@media (max-width:980px){
  .experience-grid{
    grid-template-columns:1fr;
  }

  .experience-grid figure{
    max-width:520px;
    justify-self:start;
  }

  .experience-grid img{
    max-width:520px;
  }
}

/* V3 calm scientific title correction */

.opening,
.page-intro,
.page-head{
  padding-top:72px;
  padding-bottom:72px;
}

.opening h1,
.page-intro h1,
.page-head h1,
.hero h1{
  max-width:900px;
  margin:22px 0 28px;
  font-family:Georgia, "Times New Roman", serif;
  font-size:clamp(34px, 3.4vw, 48px);
  line-height:1.18;
  font-weight:400;
  letter-spacing:-0.015em;
}

.opening .lead,
.opening > p,
.page-intro .lead,
.page-intro > p,
.page-head > p{
  max-width:780px;
}

@media (max-width:760px){
  .opening,
  .page-intro,
  .page-head{
    padding-top:48px;
    padding-bottom:48px;
  }

  .opening h1,
  .page-intro h1,
  .page-head h1,
  .hero h1{
    font-size:clamp(30px, 8vw, 38px);
    line-height:1.2;
  }
}