:root{
  --ink:#122a35; --ink-soft:#3d5561; --paper:#f7f5f0; --card:#ffffff;
  --deep:#0b4f6c; --deep-2:#083a50; --teal:#1789a8; --sky:#bfe6f2;
  --leaf:#5c8a3a; --sand:#e8e0d0; --line:#dcd6c8;
  --maxw:1120px; --r:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Libre Franklin",system-ui,sans-serif;color:var(--ink);
  background:var(--paper);font-size:16.5px;line-height:1.65}
h1,h2,h3{font-family:"Fraunces",Georgia,serif;font-weight:640;line-height:1.15;color:var(--deep-2);margin:0 0 .5em}
h1{font-size:clamp(1.9rem,4.2vw,3.1rem)}
h2{font-size:clamp(1.45rem,2.8vw,2.1rem)}
h3{font-size:1.15rem}
p{margin:.4em 0 1em}
a{color:var(--teal)}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(247,245,240,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:10px 22px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--deep-2)}
.logo-mark{width:38px;height:38px;flex:none}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-txt strong{font-family:"Fraunces",serif;font-size:1.35rem;letter-spacing:.04em}
.brand-txt small{font-size:.62rem;color:var(--ink-soft);max-width:230px}
@media(max-width:1240px){.brand-txt small{display:none}}
.site-nav{display:flex;gap:2px;flex-wrap:wrap;justify-content:flex-end}
.site-nav a{padding:8px 9px;border-radius:8px;text-decoration:none;color:var(--ink-soft);
  font-weight:600;font-size:.82rem;white-space:nowrap}
@media(min-width:1100px){.site-nav a{padding:8px 10px;font-size:.84rem}}
.site-nav a:hover{background:var(--sand);color:var(--deep-2)}
.site-nav a.active{background:var(--deep);color:#fff}
.nav-btn{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-btn span{display:block;width:22px;height:2.5px;background:var(--deep);margin:4.5px 0;border-radius:2px}
@media(max-width:940px){
  .brand-txt small{display:none}
  .nav-btn{display:block}
  .site-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--card);
    flex-direction:column;padding:10px;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(0,0,0,.08)}
  .site-nav.open{display:flex}
}

/* hero */
.hero{position:relative;min-height:72vh;display:flex;align-items:flex-end;color:#fff;
  background:linear-gradient(rgba(8,40,56,.30),rgba(8,40,56,.66)),url(assets/hero-reservoir.jpg) center/cover}
.hero-in{padding:90px 22px 64px;max-width:var(--maxw);margin:0 auto;width:100%}
.hero h1{color:#fff;max-width:17ch;text-shadow:0 2px 18px rgba(0,0,0,.35)}
.hero p{max-width:62ch;font-size:1.06rem;color:#e9f4f9}
.kicker{display:inline-block;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  font-size:.72rem;color:var(--sky);margin-bottom:10px}
.btn{display:inline-block;background:var(--teal);color:#fff;text-decoration:none;font-weight:600;
  padding:11px 20px;border-radius:10px;margin:6px 10px 0 0}
.btn:hover{background:#116e88}
.btn.ghost{background:rgba(255,255,255,.14);outline:1px solid rgba(255,255,255,.45)}
.btn.ghost:hover{background:rgba(255,255,255,.24)}

/* sections */
section{padding:56px 0}
section.tint{background:var(--sand)}
section.deep{background:var(--deep-2);color:#dbeaf2}
section.deep h2,section.deep h3{color:#fff}
.lead{font-size:1.09rem;color:var(--ink-soft);max-width:72ch}
.deep .lead{color:#c4dbe7}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:26px;align-items:center}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.card h3{margin-top:2px}
.tile{display:block;text-decoration:none;color:inherit;transition:transform .15s, box-shadow .15s}
.tile:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(11,79,108,.14)}
.tile .go{color:var(--teal);font-weight:700;font-size:.9rem}
.num{font-family:"Fraunces",serif;font-size:1rem;color:#fff;background:var(--deep);
  width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.icon{width:40px;height:40px;margin-bottom:12px;color:var(--teal)}
.photo{border-radius:var(--r);object-fit:cover;width:100%;height:100%;min-height:280px;
  box-shadow:0 18px 40px rgba(11,79,108,.18)}
figure{margin:0}
figcaption{font-size:.78rem;color:var(--ink-soft);margin-top:8px}

/* field gallery */
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.gallery .photo{min-height:220px;height:220px}

/* stats band */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;text-align:center}
.stat b{display:block;font-family:"Fraunces",serif;font-size:2.2rem;color:var(--sky)}
.stat span{font-size:.85rem;color:#bcd6e2}

/* track record */
.timeline{border-left:3px solid var(--teal);margin-left:8px;padding-left:26px;display:grid;gap:22px}
.tl{position:relative}
.tl::before{content:"";position:absolute;left:-33.5px;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--teal);outline:4px solid var(--paper)}
.tag{display:inline-block;background:var(--sand);color:var(--deep-2);border-radius:99px;
  font-size:.72rem;font-weight:700;letter-spacing:.03em;padding:3px 11px;margin:0 6px 6px 0}
section.tint .tag{background:#fff}

/* team */
.person{display:flex;gap:16px;align-items:flex-start}
.avatar{flex:none;width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--deep));
  color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:1.05rem;letter-spacing:.03em}
.role{color:var(--teal);font-weight:600;font-size:.88rem;margin:-4px 0 8px}
.bio{font-size:.94rem;color:var(--ink-soft)}
details.bio-more summary{cursor:pointer;color:var(--teal);font-weight:600;font-size:.88rem;margin-bottom:6px}

/* diagram */
.diagram{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;overflow-x:auto}
.diagram svg{min-width:820px;width:100%;height:auto}

/* contact */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.contact-grid .card p{margin:.2em 0}

/* footer */
.site-foot{background:var(--deep-2);color:#bcd6e2;margin-top:40px}
.site-foot a{color:var(--sky);text-decoration:none}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:26px;padding-top:44px;padding-bottom:10px;font-size:.9rem}
.foot-brand{color:#fff}
.foot-reg{font-size:.78rem;color:#8fb3c4}
.foot-links{display:flex;flex-direction:column;gap:8px}
.foot-base{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.14);
  padding-top:16px;padding-bottom:22px;font-size:.78rem;color:#8fb3c4;flex-wrap:wrap}
.credits{max-width:640px}
@media(max-width:800px){.foot-grid{grid-template-columns:1fr}}
/* ticked lists — project contributions, policy commitments */
.ticks{list-style:none;margin:0;padding:0}
.ticks li{position:relative;padding-left:22px;margin:7px 0;color:var(--ink-soft);font-size:.95rem;line-height:1.6}
.ticks li::before{content:"";position:absolute;left:2px;top:.55em;width:8px;height:8px;border-radius:50%;
  background:var(--teal);opacity:.75}
/* simple data table — expert assignments, client list */
.tbl{width:100%;border-collapse:collapse;font-size:.93rem;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.tbl th{text-align:left;padding:12px 14px;background:var(--sand);color:var(--deep);
  font-size:.78rem;letter-spacing:.04em;text-transform:uppercase}
.tbl td{padding:12px 14px;border-top:1px solid var(--line);color:var(--ink-soft);vertical-align:top;line-height:1.6}
.tbl td strong{color:var(--ink)}
.tbl tr:hover td{background:#fbfaf7}
/* partner logo lockup */
.logo-row{display:flex;align-items:center;gap:14px;margin-bottom:12px;min-height:46px}
.logo-row img{max-height:44px;max-width:190px;object-fit:contain}