:root{
  --bg:#ffffff;
  --ink:#1e2a23;
  --muted:#5b6b60;
  --accent:#2f6b3f;  /* peatland green */
  --card:#f3f7f4;
  --line:#dfe6e1;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.container{width:min(1100px,92%);margin-inline:auto}
.site-header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:0.75rem 0}
.brand-name{font-family:Merriweather,serif;font-weight:700;font-size:1.25rem}
.site-nav ul{display:flex;gap:1rem;list-style:none;margin:0;padding:0}
.site-nav a{display:block;padding:0.5rem;border-radius:8px}
.site-nav a:hover{background:var(--card)}
.nav-toggle{display:none}
@media (max-width:820px){
  .nav-toggle{display:block;border:1px solid var(--line);border-radius:8px;background:none;padding:0.35rem 0.5rem}
  .site-nav{display:none;position:absolute;right:1rem;top:3.25rem;background:#fff;border:1px solid var(--line);border-radius:12px;padding:0.5rem;box-shadow:0 6px 24px rgba(0,0,0,.08)}
  .site-nav.open{display:block}
  .site-nav ul{flex-direction:column;gap:0.25rem}
}
.site-footer{border-top:1px solid var(--line);margin-top:4rem}
.footer-inner{padding:1rem 0;color:var(--muted);font-size:0.95rem}

/* Split hero/research layout */
.split{display:grid;grid-template-columns:minmax(280px,48vw) 1fr;min-height:calc(100vh - 70px)}
.split-photo{position:relative;isolation:isolate}
.split-photo::before{
  content:"";position:absolute;inset:0;background:url("/assets/img/bg/forest_bg.jpg") center/cover no-repeat;z-index:-2;
  filter:saturate(1.05) contrast(0.98);
}
.split-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.25),rgba(0,0,0,0));z-index:-1}
.split-content{padding:2rem 6vw 3rem;max-width:900px}
h1,h2,h3{font-family:Merriweather,serif}
.hero-card h1{font-size:2.6rem;margin:0 0 .35rem}
.hero-sub{color:var(--muted);margin:.25rem 0 .75rem}
.lede{font-size:1.05rem;max-width:60ch}
.kws{color:var(--muted);font-style:italic}
.circles{display:flex;gap:1.25rem;margin:1rem 0 1.25rem;flex-wrap:wrap}
.circle{width:160px;height:160px;border-radius:50%;overflow:hidden;border:2px solid var(--line)}
.circle img{width:100%;height:100%;object-fit:cover}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:2rem 0}
.card{background:var(--card);border:1px solid var(--line);padding:1rem;border-radius:16px}
.button{display:inline-block;background:var(--accent);color:#fff;padding:.55rem .9rem;border-radius:10px;font-weight:600;border:1px solid transparent}
.button.ghost{background:transparent;color:var(--accent);border-color:var(--accent)}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.form-row{display:flex;flex-direction:column;margin-bottom:.75rem}
.form-row input,.form-row textarea{border:1px solid var(--line);border-radius:10px;padding:.6rem;font-size:1rem}
.note{color:var(--muted)}
@media (max-width:960px){
  .split{grid-template-columns:1fr}
  .split-photo{min-height:40vh}
  .cards-3{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr 1fr}
}

/* Uniform gallery thumbnails */
.gallery-grid figure { margin: 0; }
.gallery-grid img{
  display:block;
  width: 100%;
  height: 200px;          /* tweak: 160–240px also looks good */
  object-fit: cover;      /* crop edges to fill box */
  border-radius: 10px;
}
.gallery-grid figcaption{ margin-top:.5rem; }
@media (max-width: 640px){
  .gallery-grid img{ height: 160px; }  /* smaller on phones */
}