@import url('https://fonts.googleapis.com/css2?family=Josefin+Sans:wght@700&family=Josefin+Slab:wght@600&display=swap');

:root{
  --ink:#14171A;
  --ink-soft:#4B5450;
  --paper:#FAFAFA;
  --paper-dim:#F1F2EF;
  --accent:#2F5D4E;
  --accent-soft:#E7EEEA;
  --amber:#C98A34;
  --line:#DDE3DF;
  --serif:'Josefin Sans', -apple-system, sans-serif;
  --sans:'IBM Plex Sans', -apple-system, sans-serif;
  /*--sans:'Josefin Slab', Georgia, serif;*/
  --max: 720px;
  --wide: 1040px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

::selection{background:var(--accent-soft);color:var(--ink);}

a{color:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}

img{max-width:100%;display:block;}

.wrap{max-width:var(--wide);margin:0 auto;padding:0 32px;}
.prose{max-width:var(--max);}

/* ---------- Header ---------- */
.site-header{
  padding:28px 0;
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  font-family:var(--serif);
  font-weight:700;
  font-size:1.15rem;
  text-decoration:none;
  letter-spacing:-0.01em;
}
.nav-toggle{
  display:none;
  background:none;
  border:1px solid var(--line);
  border-radius:6px;
  padding:8px 12px;
  font-family:var(--sans);
  font-size:0.9rem;
  color:var(--ink);
  cursor:pointer;
}
nav.primary-nav ul{
  display:flex;
  gap:28px;
  list-style:none;
  margin:0;
  padding:0;
}
nav.primary-nav a{
  text-decoration:none;
  font-size:0.95rem;
  position:relative;
  padding-bottom:3px;
}
nav.primary-nav a::after{
  content:"";
  position:absolute;
  left:0;right:100%;bottom:0;
  height:1px;
  background:var(--accent);
  transition:right 0.25s ease;
}
nav.primary-nav a:hover::after,
nav.primary-nav a[aria-current="page"]::after{
  right:0;
}
nav.primary-nav a[aria-current="page"]{color:var(--accent);font-weight:600;}

@media (max-width:640px){
  .nav-toggle{display:inline-block;}
  nav.primary-nav{
    display:none;
    width:100%;
    order:3;
  }
  nav.primary-nav.open{display:block;}
  nav.primary-nav ul{
    flex-direction:column;
    gap:4px;
    padding-top:16px;
  }
  nav.primary-nav a{display:block;padding:10px 0;}
  .site-header .wrap{flex-wrap:wrap;}
}

/* ---------- Hero ---------- */
.hero{
  padding:96px 0 72px;
  border-bottom:1px solid var(--line);
}
.hero .eyebrow,
.hero h1,
.hero .lede,
.hero .btn,
.cs-hero .eyebrow,
.cs-hero h1,
.cs-hero .lede,
.cs-hero .cs-meta-row{
  opacity:0;
  transform:translateY(14px);
  animation:rise 0.7s cubic-bezier(.2,.7,.3,1) forwards;
}
.hero .eyebrow,.cs-hero .eyebrow{animation-delay:0.02s;}
.hero h1,.cs-hero h1{animation-delay:0.12s;}
.hero .lede,.cs-hero .lede{animation-delay:0.24s;}
.hero .btn{animation-delay:0.34s;}
.cs-hero .cs-meta-row{animation-delay:0.34s;}
@keyframes rise{to{opacity:1;transform:translateY(0);}}
@media (prefers-reduced-motion:reduce){
  .hero .eyebrow,.hero h1,.hero .lede,.hero .btn,
  .cs-hero .eyebrow,.cs-hero h1,.cs-hero .lede,.cs-hero .cs-meta-row{
    opacity:1;transform:none;animation:none;
  }
}
.eyebrow{
  font-size:0.95rem;
  color:var(--accent);
  margin:0 0 18px;
  font-weight:600;
}
h1{
  font-family:var(--serif);
  font-weight:700;
  font-size:clamp(2.3rem, 5vw, 3.6rem);
  line-height:1.08;
  letter-spacing:-0.01em;
  margin:0 0 28px;
  max-width:14ch;
}
.lede{
  font-size:1.15rem;
  color:var(--ink-soft);
  max-width:52ch;
  margin:0 0 36px;
}
.btn{
  display:inline-block;
  background:var(--ink);
  color:var(--paper);
  text-decoration:none;
  padding:14px 26px;
  border-radius:3px;
  font-size:0.95rem;
  font-weight:600;
  transition:background 0.15s ease;
}
.btn:hover{background:var(--accent);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border:1px solid var(--line);
}
.btn-ghost:hover{background:var(--paper-dim);}

/* ---------- Sections generic ---------- */
section{padding:72px 0;border-bottom:1px solid var(--line);}
section:last-of-type{border-bottom:none;}
h2{
  font-family:var(--serif);
  font-weight:700;
  font-size:1.8rem;
  margin:0 0 32px;
  letter-spacing:-0.01em;
}
h3{
  font-family:var(--serif);
  font-weight:700;
  font-size:1.25rem;
  margin:0 0 10px;
}
p{margin:0 0 16px;}

/* ---------- Work list (home + work page) ---------- */
.work-list{list-style:none;margin:0;padding:0;}
.work-item{
  display:flex;
  gap:32px;
  align-items:baseline;
  justify-content:space-between;
  padding:26px 0;
  border-top:1px solid var(--line);
  text-decoration:none;
  color:var(--ink);
}
.work-list li:last-child .work-item{border-bottom:1px solid var(--line);}
.work-item:hover .work-title{color:var(--accent);}
.work-title{
  font-family:var(--serif);
  font-size:1.35rem;
  font-weight:600;
  transition:color 0.15s ease;
  max-width:34ch;
}
.work-meta{
  color:var(--ink-soft);
  font-size:0.92rem;
  text-align:right;
  white-space:nowrap;
  flex-shrink:0;
}

/* ---------- Impact stats (about page) ---------- */
.impact-list{
  list-style:none;
  margin:0;padding:0;
  border-top:1px solid var(--line);
}
.impact-item{
  display:grid;
  grid-template-columns:140px 1fr;
  gap:24px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.impact-num{
  font-family:var(--serif);
  color:var(--amber);
  font-size:2.1rem;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
@media (max-width:560px){
  .impact-item{grid-template-columns:1fr;gap:6px;}
}

/* ---------- Two-column strength/tool lists ---------- */
.col-list{
  columns:2;
  column-gap:40px;
  list-style:none;
  margin:0;padding:0;
}
.col-list li{
  break-inside:avoid;
  padding:9px 0;
  border-bottom:1px solid var(--line);
}
@media (max-width:560px){.col-list{columns:1;}}

/* ---------- Credentials ---------- */
.cred-list{list-style:none;margin:0;padding:0;}
.cred-list li{
  display:flex;
  justify-content:space-between;
  gap:20px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
  color:var(--ink-soft);
  font-size:0.95rem;
}
.cred-list li strong{color:var(--ink);font-weight:600;}

/* ---------- Disclosure lists ---------- */
details{
  border-bottom:1px solid var(--line);
}
details summary{
  cursor:pointer;
  padding:20px 0;
  font-family:var(--serif);
  font-weight:700;
  font-size:1.15rem;
  list-style:none;
}
details summary::-webkit-details-marker{display:none;}
details summary::after{
  content:"+";
  float:right;
  color:var(--accent);
  font-size:1.3rem;
}
details[open] summary::after{content:"–";}
.disclosure-body{padding:0 0 26px;}
.disclosure-body ul{margin:0;padding-left:20px;}
.disclosure-body li{padding:5px 0;}

/* ---------- Industry tags ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 8px;}
.tag{
  border:1px solid var(--line);
  border-radius:20px;
  padding:6px 14px;
  font-size:0.88rem;
  color:var(--ink-soft);
}

/* ---------- Case study page ---------- */
.cs-hero{padding:64px 0 48px;}
.cs-meta-row{
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  margin-top:28px;
  padding-top:28px;
  border-top:1px solid var(--line);
}
.cs-meta-item{font-size:0.9rem;}
.cs-meta-item span{
  display:block;
  color:var(--ink-soft);
  margin-bottom:4px;
}
.placeholder{
  background:var(--accent-soft);
  border:1px dashed var(--accent);
  border-radius:4px;
  padding:16px 20px;
  color:var(--ink-soft);
  font-size:0.95rem;
  font-style:italic;
}

/* ---------- Case study body content ---------- */
.cs-body h2{margin-top:0;}
.cs-section{padding:48px 0;border-bottom:1px solid var(--line);}
.cs-section:last-child{border-bottom:none;}
.cs-section h3{margin-top:28px;}
.cs-figure{margin:28px 0;}
.cs-figure img{
  border:1px solid var(--line);
  border-radius:2px;
}
.cs-figure figcaption{
  font-size:0.85rem;
  color:var(--ink-soft);
  margin-top:8px;
}
.checklist{list-style:none;margin:0 0 16px;padding:0;}
.checklist li{padding:4px 0;}
.cs-hero-logo{
  height:32px;
  width:auto;
  margin-bottom:24px;
  opacity:0.85;
}
ul.cs-list{margin:0 0 16px;padding-left:22px;}
ul.cs-list li{padding:3px 0;}

/* ---------- Footer ---------- */
footer{
  padding:48px 0 64px;
  border-top:1px solid var(--line);
}
footer .wrap{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:16px;
}
footer a{text-decoration:none;color:var(--accent);}
.copyright{color:var(--ink-soft);font-size:0.88rem;}