/* ISRI.earth — design system */
:root{
  --ink:#17211E; --ink-2:#4A5A52; --ink-3:#7B8A82;
  --forest:#0F4C3A; --forest-deep:#0A3529; --leaf:#2E9E6B; --leaf-soft:#E3F2EA;
  --amber:#B8791F; --amber-soft:#FBF0DC;
  --sand:#F7F4EE; --paper:#FFFFFF; --line:#E5DFD4; --line-2:#EFEAE1;
  --serif:"Poppins",-apple-system,"Segoe UI",sans-serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --wrap:1140px; --r:14px;
  --shadow:0 1px 2px rgba(20,33,27,.04),0 8px 24px -12px rgba(20,33,27,.12);
}
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.15;letter-spacing:-.02em;text-wrap:balance}
h1{font-size:clamp(2.4rem,5.2vw,3.9rem)}
h2{font-size:clamp(1.85rem,3.4vw,2.6rem)}
h3{font-size:1.22rem;line-height:1.3}
p{text-wrap:pretty}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:24px}
.narrow{max-width:760px}
section{padding-block:clamp(56px,8vw,104px)}
.eyebrow{font-family:var(--sans);font-size:.75rem;font-weight:650;letter-spacing:.13em;text-transform:uppercase;color:var(--amber);margin-bottom:14px}
.lede{font-size:clamp(1.06rem,1.7vw,1.28rem);color:var(--ink-2);line-height:1.6}
.muted{color:var(--ink-2)}
.sec-head{max-width:720px;margin-bottom:clamp(32px,5vw,52px)}
.sec-head p{margin-top:14px;color:var(--ink-2);font-size:1.06rem}

/* skip link */
.skip{position:absolute;left:-9999px;top:0;background:var(--forest);color:#fff;padding:12px 18px;z-index:1000;border-radius:0 0 8px 0}
.skip:focus{left:0}
:focus-visible{outline:2.5px solid var(--amber);outline-offset:3px;border-radius:4px}

/* nav */
.nav{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.9);backdrop-filter:saturate(1.6) blur(12px);border-bottom:1px solid var(--line-2)}
.nav-in{max-width:var(--wrap);margin-inline:auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.brand img{height:30px;width:auto}


.nav ul{list-style:none;display:flex;align-items:center;gap:2px;padding:0;margin:0}
.nav ul a{display:block;padding:8px 11px;font-size:.895rem;font-weight:500;color:var(--ink-2);text-decoration:none;border-radius:8px;transition:.18s}
.nav ul a:hover{color:var(--forest);background:var(--leaf-soft)}
.nav ul a[aria-current="page"]{color:var(--forest-deep);font-weight:650}
.nav .cta{background:var(--forest);color:#fff!important;padding:9px 16px;margin-left:8px}
.nav .cta:hover{background:var(--forest-deep)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:9px;padding:8px;cursor:pointer;color:var(--ink)}
@media(max-width:1000px){
  .burger{display:block}
  .nav ul{position:absolute;inset:100% 0 auto 0;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--line);padding:10px 16px 18px;gap:0;display:none;box-shadow:var(--shadow)}
  .nav ul.open{display:flex}
  .nav ul a{padding:12px 8px;font-size:1rem;border-bottom:1px solid var(--line-2)}
  .nav .cta{margin:10px 0 0;text-align:center;border-bottom:none}
}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:10px;font-size:.95rem;font-weight:600;text-decoration:none;border:1.5px solid transparent;transition:.18s;cursor:pointer}
.btn-primary{background:var(--forest);color:#fff}
.btn-primary:hover{background:var(--forest-deep);transform:translateY(-1px)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--forest);color:var(--forest)}
.btn-light{background:#fff;color:var(--forest-deep)}
.btn-light:hover{background:var(--sand)}
.btn-outline-light{border-color:rgba(255,255,255,.45);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

/* hero */
.hero{background:linear-gradient(168deg,#0A3529 0%,#0F4C3A 52%,#156045 100%);color:#fff;padding-block:clamp(72px,11vw,132px);position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.09) 1px,transparent 0);background-size:26px 26px;mask-image:linear-gradient(105deg,transparent 42%,#000 100%);pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero h1{max-width:16ch}
.hero .lede{color:rgba(255,255,255,.82);max-width:60ch;margin-top:20px}
.hero .eyebrow{color:#F0B267}
.page-hero{background:var(--sand);border-bottom:1px solid var(--line);padding-block:clamp(52px,7vw,84px)}
.page-hero .lede{margin-top:16px;max-width:62ch}

/* generic surfaces */
.alt{background:var(--sand)}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(268px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:.2s}
.card:hover{border-color:var(--leaf);box-shadow:var(--shadow);transform:translateY(-2px)}
.card h3{margin-bottom:10px}
.card p{color:var(--ink-2);font-size:.965rem}
.card .ic{width:40px;height:40px;border-radius:10px;background:var(--leaf-soft);color:var(--forest);display:grid;place-items:center;margin-bottom:16px}
.card .ic svg{width:21px;height:21px}
.alt .card{background:#fff}
.num{font-family:var(--serif);font-size:.85rem;font-weight:650;color:var(--amber);letter-spacing:.08em;margin-bottom:10px;display:block;text-transform:uppercase}

/* module cards */
.mod{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px;display:grid;grid-template-columns:56px 1fr;gap:24px;align-items:start}
.mod .badge{width:56px;height:56px;border-radius:14px;background:var(--forest);color:#fff;display:grid;place-items:center;font-family:var(--serif);font-size:1.35rem;font-weight:650}
.mod ul{margin:16px 0 0;padding-left:20px;color:var(--ink-2);font-size:.95rem}
.mod li{margin-bottom:6px}
.mod .why{margin-top:18px;padding-top:16px;border-top:1px solid var(--line-2);font-size:.93rem;color:var(--ink-2)}
.mod .why strong{color:var(--forest-deep)}
@media(max-width:560px){.mod{grid-template-columns:1fr;gap:16px;padding:24px}}

/* pull quote */
.pull{border-left:3px solid var(--amber);padding:6px 0 6px 26px;margin:36px 0;font-family:var(--serif);font-size:clamp(1.3rem,2.6vw,1.72rem);line-height:1.4;color:var(--forest-deep)}

/* flow */
.flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;position:relative}
.step .k{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--amber);margin-bottom:10px}
.step h3{font-size:1.12rem;margin-bottom:8px}
.step p{font-size:.94rem;color:var(--ink-2)}

/* table */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff}
table{border-collapse:collapse;width:100%;min-width:620px;font-size:.94rem}
th,td{text-align:left;padding:15px 20px;border-bottom:1px solid var(--line-2);vertical-align:top}
thead th{background:var(--sand);font-family:var(--sans);font-size:.76rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--forest-deep);white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
td:first-child{font-weight:600;color:var(--ink)}
td{color:var(--ink-2)}

/* stat / value list */
.vals{display:grid;gap:0;border-top:1px solid var(--line)}
.val{display:grid;grid-template-columns:200px 1fr;gap:28px;padding:24px 0;border-bottom:1px solid var(--line)}
.val h3{font-size:1.1rem;color:var(--forest-deep)}
.val p{color:var(--ink-2);font-size:.97rem}
@media(max-width:640px){.val{grid-template-columns:1fr;gap:8px}}

/* dual entity */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:760px){.duo{grid-template-columns:1fr}}
.duo .card{padding:32px}
.duo ul{list-style:none;padding:0;margin:18px 0 0}
.duo li{padding:10px 0;border-bottom:1px solid var(--line-2);font-size:.96rem;color:var(--ink-2)}
.duo li:last-child{border-bottom:none}
.duo li strong{color:var(--ink);font-weight:600}
.tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;padding:5px 10px;border-radius:999px;background:var(--leaf-soft);color:var(--forest)}
.tag.blue{background:#E3EEF6;color:#1B5E86}

/* CTA band */
.band{background:var(--forest-deep);color:#fff;text-align:center}
.band h2{max-width:20ch;margin-inline:auto}
.band p{color:rgba(255,255,255,.78);margin-top:16px;max-width:56ch;margin-inline:auto}
.band .btns{justify-content:center}

/* form */
.form{display:grid;gap:18px;max-width:560px}
.field label{display:block;font-size:.86rem;font-weight:650;margin-bottom:7px;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:.96rem;background:#fff;color:var(--ink)}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--forest);outline:2px solid var(--leaf-soft)}
.contact-list{list-style:none;padding:0;margin:0;display:grid;gap:18px}
.contact-list li{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start}
.contact-list .ic{width:38px;height:38px;border-radius:10px;background:var(--leaf-soft);color:var(--forest);display:grid;place-items:center;margin:0}
.contact-list b{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);font-weight:700}
.contact-list a{color:var(--forest);font-weight:600;text-decoration:none}
.contact-list a:hover{text-decoration:underline}

/* footer */
footer{background:var(--ink);color:rgba(255,255,255,.72);padding-block:64px 30px;font-size:.93rem}
.f-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
@media(max-width:820px){.f-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:480px){.f-grid{grid-template-columns:1fr}}
footer h4{font-family:var(--sans);font-size:.76rem;letter-spacing:.11em;text-transform:uppercase;color:#fff;margin-bottom:16px;font-weight:700}
footer a{color:rgba(255,255,255,.72);text-decoration:none;display:block;padding:5px 0}
footer a:hover{color:#fff}
footer 
.f-bot{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.13);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:.85rem;color:rgba(255,255,255,.55)}

/* reveal */
.rv{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}}

/* hero decoration */
.hero-art{position:absolute;right:-40px;bottom:-60px;width:min(46vw,520px);opacity:.10;pointer-events:none;z-index:0}
@media(max-width:760px){.hero-art{width:70vw;right:-80px;bottom:-80px;opacity:.07}}