:root{
  --paper:#fbfaf6;
  --paper-lavender:#f1ecf6;
  --paper-sage:#eef5e6;
  --ink:#241a30;
  --ink-soft:#4a3f57;
  --purple-deep:#341f49;
  --purple:#462a61;
  --purple-soft:#7a5aa3;
  --green-deep:#3d6f22;
  --green:#6aab2b;
  --green-bright:#8dc63f;
  --accent-magenta:#7c2c8a;
  --line: rgba(70,42,97,0.15);
  --line-soft: rgba(70,42,97,0.09);
  --serif: "Fraunces", Georgia, serif;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block;}
:focus-visible{ outline:2px solid var(--green-deep); outline-offset:3px; }

.wrap{ max-width:1100px; margin:0 auto; padding:0 32px; }
a{ color:inherit; }

/* ---------- header ---------- */
header{
  position:sticky; top:0; z-index:50;
  background:rgba(251,250,246,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line-soft);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
  gap:24px;
}
.brand{ display:flex; align-items:center; }
.brand img{ height:52px; width:auto; }
nav ul{
  list-style:none; display:flex; gap:30px;
  margin:0; padding:0;
}
nav ul li:not(:last-child){ margin-right:30px; }
@supports (gap:1px){ nav ul li:not(:last-child){ margin-right:0; } }
nav ul li a{
  text-decoration:none;
  font-size:0.95rem;
  color:var(--ink-soft);
  border-bottom:2px solid transparent;
  padding-bottom:4px;
  transition:border-color .15s ease, color .15s ease;
}
nav ul li a:hover{ color:var(--purple); border-color:var(--green); }
nav ul li a[aria-current="page"]{ color:var(--purple); border-color:var(--green); font-weight:500; }
.nav-toggle{ display:none; background:none; border:0; cursor:pointer; padding:6px; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  display:block; width:22px; height:2px; background:var(--purple);
  position:relative; transition:.2s;
}
.nav-toggle span::before, .nav-toggle span::after{ content:""; position:absolute; left:0; }
.nav-toggle span::before{ top:-7px; } .nav-toggle span::after{ top:7px; }

/* ---------- dropdown nav ---------- */
nav ul li.has-dropdown > a::after{ content:"⌄"; margin-left:5px; font-size:0.8em; opacity:0.7; }
nav ul li.has-dropdown{ position:relative; }
.dropdown{
  list-style:none; margin:0; padding:8px 0;
  display:flex; flex-direction:column; gap:0;
}
@media (min-width:821px){
  .dropdown{
    position:absolute; top:100%; left:-16px; min-width:210px;
    background:var(--paper); border:1px solid var(--line);
    box-shadow:0 14px 30px rgba(52,31,73,0.12);
    opacity:0; visibility:hidden; transform:translateY(4px);
    transition:opacity .15s ease, transform .15s ease, visibility .15s ease;
    z-index:60;
  }
  li.has-dropdown:hover > .dropdown,
  li.has-dropdown:focus-within > .dropdown{
    opacity:1; visibility:visible; transform:translateY(0);
  }
  .dropdown li{ padding:0 !important; border:0 !important; }
  .dropdown li a{
    display:block; padding:10px 18px; font-size:0.9rem;
    border-bottom:0 !important; white-space:nowrap;
  }
  .dropdown li a:hover{ background:var(--paper-lavender); }
}

/* ---------- page hero (used on inner pages) ---------- */
.page-hero{
  padding:64px 0 56px;
  border-bottom:1px solid var(--line-soft);
}
.page-kicker{
  display:flex; align-items:center; gap:12px;
  font-family:var(--serif); font-style:italic; font-weight:500;
  color:var(--green-deep); font-size:1.05rem; margin-bottom:14px;
}
.page-hero h1{
  font-family:var(--serif); font-weight:500;
  font-size:clamp(1.9rem, 3.6vw, 2.7rem);
  line-height:1.15; margin:0 0 18px; max-width:18ch;
  color:var(--purple-deep);
}
.page-hero p.lede{ font-size:1.08rem; max-width:56ch; color:var(--ink-soft); margin:0; }

/* ---------- hero (home) ---------- */
.hero{ overflow:hidden; }
.hero .wrap{
  display:grid; grid-template-columns:1.15fr 0.85fr;
  gap:48px; align-items:center;
  padding-top:76px; padding-bottom:76px;
}
.eyebrow-line{
  display:flex; align-items:center; gap:10px;
  font-size:0.88rem; color:var(--ink-soft);
  margin-bottom:22px;
}
.eyebrow-line::before{ content:""; width:30px; height:1px; background:var(--green); }
h1{
  font-family:var(--serif); font-weight:500;
  font-size:clamp(2.1rem, 4.4vw, 3.3rem);
  line-height:1.14; margin:0 0 22px; max-width:15ch;
  color:var(--purple-deep);
}
.hero p.lede{ font-size:1.1rem; max-width:46ch; color:var(--ink-soft); margin:0 0 32px; }
.btn-row{ display:flex; gap:16px; flex-wrap:wrap; }
.btn{
  display:inline-block; padding:13px 26px; border-radius:3px;
  font-size:0.95rem; text-decoration:none; font-weight:500;
  transition:transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn-primary{ background:var(--purple); color:#fbfaf6; }
.btn-primary:hover{ background:var(--purple-deep); transform:translateY(-1px); }
.btn-ghost{ border:1.5px solid var(--purple); color:var(--purple); }
.btn-ghost:hover{ background:var(--paper-lavender); }
.btn-on-dark{ border:1.5px solid rgba(251,250,246,0.6); color:#fbfaf6; }
.btn-on-dark:hover{ border-color:#fbfaf6; background:rgba(251,250,246,0.08); }

.hero-art{ width:100%; height:auto; max-width:340px; margin:0 auto; }

/* ---------- section shell ---------- */
section{ padding:88px 0; }
.section-head{
  display:flex; align-items:baseline; gap:16px;
  margin-bottom:44px;
}
.section-tag{
  font-family:var(--serif); font-style:italic; font-weight:500;
  color:var(--green-deep); font-size:1.05rem; white-space:nowrap;
}
.section-rule{ flex:1; height:1px; background:var(--line); }
h2{
  font-family:var(--serif); font-weight:500;
  font-size:clamp(1.55rem, 2.5vw, 2rem);
  margin:0 0 20px; max-width:22ch; color:var(--purple-deep);
}

/* ---------- tint section backgrounds ---------- */
.tint-lavender{ background:var(--paper-lavender); }
.tint-sage{ background:var(--paper-sage); }
.tint-purple{ background:var(--purple-deep); color:#eee7f4; }
.tint-purple .section-tag{ color:var(--green-bright); }
.tint-purple .section-rule{ background:rgba(238,231,244,0.22); }
.tint-purple h2{ color:#fbfaf6; }

/* ---------- home teaser grid ---------- */
.teaser-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line);
}
.teaser-card{
  background:var(--paper); padding:36px 32px;
  display:flex; flex-direction:column; gap:14px;
  text-decoration:none; color:inherit;
  transition:background .15s ease;
}
.teaser-card:hover{ background:var(--paper-lavender); }
.teaser-mark{ width:26px; height:26px; }
.teaser-card h3{
  font-family:var(--serif); font-weight:500; font-size:1.2rem; margin:0;
  color:var(--purple-deep);
}
.teaser-card p{ margin:0; color:var(--ink-soft); font-size:0.96rem; max-width:38ch; }
.teaser-card .go{ margin-top:auto; font-size:0.88rem; color:var(--green-deep); font-weight:500; }

/* ---------- concept ---------- */
.concept-grid{
  display:grid; grid-template-columns:0.95fr 1.05fr;
  gap:56px; align-items:start;
}
.concept-copy p{ margin:0 0 18px; max-width:54ch; color:var(--ink-soft); }
.concept-copy .credit{
  margin-top:26px; padding:18px 20px;
  border-left:3px solid var(--green);
  background:var(--paper-sage);
  font-size:0.94rem; color:var(--ink-soft);
}

.diagram{ width:100%; height:auto; }
.diagram text{ font-family:var(--sans); font-size:14.5px; fill:var(--ink); }
.diagram .node-label{ font-weight:600; fill:var(--purple-deep); }
.diagram .note{ font-size:12px; fill:var(--ink-soft); }
.diagram .leaf-vein{ fill:none; stroke:var(--green-deep); stroke-width:1.2; opacity:0.55; }
.diagram .leaf-fill{ fill:var(--green); opacity:0.85; }
.diagram .bud{ fill:var(--green-deep); }
.diagram .hub{ fill:var(--purple); }

/* ---------- services ---------- */
.service-list{
  list-style:none; margin:0; padding:0;
  display:grid; grid-template-columns:1fr 1fr; gap:0;
  border-top:1px solid var(--line);
}
.service-list li{
  padding:30px 28px 30px 0; border-bottom:1px solid var(--line);
  display:flex; gap:18px;
}
.service-list li:nth-child(odd){ border-right:1px solid var(--line); padding-right:28px; }
.service-list li:nth-child(even){ padding-left:28px; }
.leaf-mark{ flex-shrink:0; width:22px; height:22px; margin-top:3px; }
.leaf-mark path{ fill:none; stroke:var(--green); stroke-width:1.6; }
.service-list h3{ font-family:var(--serif); font-weight:500; font-size:1.14rem; margin:0 0 8px; color:var(--purple-deep); }
.service-list p{ margin:0; color:var(--ink-soft); font-size:0.96rem; max-width:38ch; }

/* ---------- publication ---------- */
.pub-grid{
  display:grid; grid-template-columns:0.8fr 1.2fr;
  gap:56px; align-items:center;
}
.book-panel{
  background:var(--purple-deep); color:#eee7f4;
  aspect-ratio:3/4.2; padding:36px 28px;
  display:flex; flex-direction:column; justify-content:space-between;
  position:relative;
}
.book-panel::before{
  content:""; position:absolute; inset:12px;
  border:1px solid rgba(238,231,244,0.28); pointer-events:none;
}
.book-kicker{ font-size:0.78rem; letter-spacing:0.03em; color:var(--green-bright); }
.book-title{ font-family:var(--serif); font-style:italic; font-weight:500; font-size:1.55rem; line-height:1.25; margin:14px 0; }
.book-sub{ font-size:0.88rem; color:#d8cfe6; }
.book-editor{ font-size:0.85rem; color:var(--green-bright); margin-top:18px; }
.pub-copy p{ margin:0 0 18px; max-width:56ch; color:var(--ink-soft); }

/* ---------- newsletter ---------- */
.newsletter-box{
  border:1px solid var(--line); background:var(--paper-sage);
  padding:48px; display:grid; grid-template-columns:1.3fr 0.7fr;
  gap:32px; align-items:center;
}
.newsletter-box p{ margin:12px 0 0; color:var(--ink-soft); max-width:50ch; }
.newsletter-cta{ text-align:right; }

/* ---------- contact ---------- */
.contact-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:56px;
}
.contact-card{
  border:1px solid var(--line); padding:32px; background:var(--paper-lavender);
}
.contact-card h3{ font-family:var(--serif); font-weight:500; margin:0 0 10px; color:var(--purple-deep); }
.contact-card p{ margin:0 0 16px; color:var(--ink-soft); }
.contact-card a.value{ font-size:1.05rem; color:var(--purple); text-decoration:none; border-bottom:1px solid var(--green); }
.contact-card a.value:hover{ color:var(--green-deep); }

/* ---------- read-more disclosure ---------- */
details.readmore{ margin-top:22px; }
details.readmore > summary{
  cursor:pointer; list-style:none; color:var(--purple);
  font-weight:500; font-size:0.95rem; border-bottom:1px solid var(--green);
  display:inline-block; padding-bottom:2px;
}
details.readmore > summary::-webkit-details-marker{ display:none; }
details.readmore > summary::after{ content:" +"; }
details.readmore[open] > summary::after{ content:" −"; }
details.readmore[open] > summary{ margin-bottom:16px; }
details.readmore .readmore-body p{ margin:0 0 16px; max-width:62ch; color:var(--ink-soft); }

/* ---------- long-read content blocks (about / stories) ---------- */
.long-read{ display:flex; flex-direction:column; gap:44px; }
.long-read-block h3{
  font-family:var(--serif); font-weight:500; font-size:1.25rem;
  margin:0 0 14px; color:var(--purple-deep);
}
.long-read-block p{ margin:0 0 16px; max-width:68ch; color:var(--ink-soft); }
.long-read-block p:last-child{ margin-bottom:0; }
.long-read-block .citation-note{ font-size:0.86rem; color:var(--ink-soft); opacity:0.85; }
.long-read-block .stub-note{
  font-size:0.88rem; font-style:italic; color:var(--green-deep);
  border-left:3px solid var(--green); padding-left:14px;
}

/* ---------- pull quote ---------- */
.pull-quote{
  background:var(--purple-deep); color:#eee7f4;
  padding:48px; border-left:6px solid var(--green);
}
.pull-quote p{ margin:0 0 16px; max-width:70ch; font-family:var(--serif); font-style:italic; font-size:1.08rem; line-height:1.5; }
.pull-quote p:last-of-type{ margin-bottom:18px; }
.pull-quote cite{ font-style:normal; font-size:0.9rem; color:var(--green-bright); }

/* ---------- sub-nav pills (jump links within a page) ---------- */
.subnav-pills{ display:flex; flex-wrap:wrap; gap:14px; margin-top:28px; }

/* ---------- footer ---------- */
footer{ background:var(--purple-deep); color:#d8cfe6; padding:56px 0 34px; }
.footer-grid{
  display:grid; grid-template-columns:1.2fr 0.8fr 0.8fr; gap:32px;
  padding-bottom:36px; border-bottom:1px solid rgba(216,207,230,0.16);
}
footer h4{ font-family:var(--serif); font-style:italic; font-weight:500; color:#fbfaf6; margin:0 0 14px; font-size:1rem; }
footer p, footer a{ font-size:0.92rem; color:#d8cfe6; text-decoration:none; }
footer a:hover{ color:var(--green-bright); }
footer ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; }
.fine-print{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:22px; font-size:0.82rem; color:#a999bf; flex-wrap:wrap; gap:12px;
}

/* ---------- responsive ---------- */
@media (max-width:820px){
  .nav-toggle{ display:block; }
  nav ul{
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column; gap:0; background:var(--paper);
    border-bottom:1px solid var(--line); max-height:0; overflow:hidden;
  }
  nav ul.open{ max-height:80vh; overflow-y:auto; }
  nav ul li{ padding:14px 32px; border-bottom:1px solid var(--line-soft); }
  nav ul li.has-dropdown > a::after{ float:right; }
  .dropdown{
    position:static; opacity:1; visibility:visible; transform:none;
    box-shadow:none; border:0; background:none;
    margin-top:10px; padding:0 0 0 14px; gap:10px;
  }
  .dropdown li a{ padding:0; font-size:0.88rem; color:var(--ink-soft); }
  .hero .wrap{ grid-template-columns:1fr; padding-top:52px; padding-bottom:52px; }
  .hero-art{ order:-1; max-width:220px; }
  .concept-grid, .pub-grid, .contact-grid{ grid-template-columns:1fr; }
  .teaser-grid{ grid-template-columns:1fr; }
  .service-list{ grid-template-columns:1fr; }
  .service-list li:nth-child(odd){ border-right:none; padding-right:0; }
  .service-list li:nth-child(even){ padding-left:0; }
  .newsletter-box{ grid-template-columns:1fr; }
  .newsletter-cta{ text-align:left; }
  .footer-grid{ grid-template-columns:1fr; gap:28px; }
  section{ padding:60px 0; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ transition:none !important; }
}