:root{
  --bg:#f7faf9;
  --surface:#ffffff;
  --surface-2:#eef7f6;
  --ink:#102525;
  --muted:#617273;
  --brand:#0b5c58;
  --brand-2:#0f7a73;
  --line:#dfe9e7;
  --accent:#dff4ef;
  --shadow:0 18px 50px rgba(24,57,54,.09);
  --radius:22px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(217,242,236,.8), transparent 30%),
    linear-gradient(#fbfdfc,#f7faf9);
  line-height:1.65;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(160%) blur(18px);
  background:rgba(247,250,249,.86);
  border-bottom:1px solid rgba(223,233,231,.75);
}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;font-weight:850;letter-spacing:-.02em}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand);display:grid;place-items:center;color:#fff;
  box-shadow:0 7px 20px rgba(11,92,88,.22)
}
.brand-mark svg{width:23px;height:23px}
.nav-links{display:flex;gap:28px;align-items:center;color:#425757;font-weight:650}
.nav-links a{position:relative}
.nav-links a.active,.nav-links a:hover{color:var(--brand)}
.nav-cta,.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border:0;border-radius:14px;padding:12px 17px;font-weight:750;cursor:pointer;
  transition:.2s ease;
}
.btn-primary,.nav-cta{background:var(--brand);color:#fff;box-shadow:0 10px 25px rgba(11,92,88,.17)}
.btn-primary:hover,.nav-cta:hover{background:#084d49;transform:translateY(-1px)}
.btn-secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}
.btn-secondary:hover{border-color:#c7d7d4;transform:translateY(-1px)}
.menu-btn{display:none;background:none;border:0;font-size:26px}
.hero{padding:82px 0 54px}
.hero-grid{display:grid;grid-template-columns:1.13fr .87fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;gap:8px;align-items:center;padding:7px 11px;border-radius:999px;
  background:var(--accent);color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.04em;text-transform:uppercase
}
h1,h2,h3{line-height:1.12;letter-spacing:-.035em;margin:0}
h1{font-size:clamp(44px,6vw,76px);max-width:850px}
.hero p{font-size:19px;color:var(--muted);max-width:690px;margin:24px 0 30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-card{
  min-height:490px;border-radius:32px;background:linear-gradient(150deg,#0b5c58 0%,#0b5c58 42%,#0a4b48 100%);
  color:#fff;padding:34px;position:relative;overflow:hidden;box-shadow:var(--shadow)
}
.hero-card:before,.hero-card:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.16)}
.hero-card:before{width:330px;height:330px;right:-90px;top:-80px}
.hero-card:after{width:210px;height:210px;right:20px;bottom:-90px}
.hero-card .kicker{font-size:13px;text-transform:uppercase;letter-spacing:.12em;opacity:.75;font-weight:800}
.hero-card h2{font-size:38px;max-width:420px;margin-top:16px}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:34px}
.metric{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.12);padding:18px;border-radius:18px}
.metric strong{display:block;font-size:28px;line-height:1}
.metric span{font-size:13px;opacity:.72}
.hero-quote{position:absolute;left:34px;bottom:30px;right:34px;font-size:14px;opacity:.8}
.section{padding:72px 0}
.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:30px}
.section-head h2{font-size:clamp(32px,4vw,48px)}
.section-head p{max-width:560px;color:var(--muted);margin:0}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  box-shadow:0 8px 26px rgba(24,57,54,.045);transition:.2s ease
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.article-card{display:flex;flex-direction:column;min-height:100%}
.article-icon{width:58px;height:58px;margin-bottom:21px}
.card-meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:13px;font-weight:700}
.article-card h3{font-size:24px;margin:11px 0 10px}
.article-card p{color:var(--muted);margin:0 0 20px}
.read-link{margin-top:auto;color:var(--brand);font-weight:800}
.category-chip{
  display:inline-flex;padding:6px 10px;border-radius:999px;background:var(--surface-2);color:var(--brand);font-size:12px;font-weight:800
}
.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden}
.stat{background:#fff;padding:24px}
.stat strong{font-size:28px;display:block}
.stat span{font-size:13px;color:var(--muted)}
.newsletter{
  display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
  background:#e9f4f1;border:1px solid #d5e8e3;border-radius:28px;padding:38px
}
.newsletter h2{font-size:36px}
.newsletter p{color:var(--muted);margin:10px 0 0}
.inline-form{display:flex;gap:10px}
.input{
  min-width:270px;border:1px solid #ceddda;background:#fff;border-radius:14px;padding:13px 14px;outline:none
}
.input:focus,textarea:focus{border-color:#7fb2ad;box-shadow:0 0 0 4px rgba(15,122,115,.09)}
.footer{border-top:1px solid var(--line);padding:38px 0 28px;margin-top:60px;background:rgba(255,255,255,.65)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px}
.footer p,.footer a{color:var(--muted);font-size:14px}
.footer a:hover{color:var(--brand)}
.footer-title{font-size:13px;text-transform:uppercase;letter-spacing:.08em;font-weight:850;margin-bottom:10px}
.subfooter{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:20px;margin-top:28px;color:var(--muted);font-size:13px}

/* Article listing */
.page-hero{padding:64px 0 30px}
.page-hero h1{font-size:clamp(42px,6vw,68px)}
.page-hero p{max-width:740px;color:var(--muted);font-size:18px}
.filterbar{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 32px}
.filter-btn{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 13px;font-weight:700;cursor:pointer}
.filter-btn.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.search-wrap{display:flex;gap:10px;align-items:center;margin:20px 0}
.search-wrap .input{width:100%}
.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.article-drawer{
  display:none;position:fixed;inset:0;background:rgba(7,24,23,.45);z-index:100;
  padding:20px;overflow:auto
}
.article-drawer.open{display:block}
.article-panel{
  width:min(860px,100%);margin:30px auto;background:#fff;border-radius:28px;box-shadow:0 30px 90px rgba(0,0,0,.2);overflow:hidden
}
.article-panel-top{position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);padding:14px 18px;display:flex;justify-content:space-between;align-items:center;z-index:2}
.close-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:24px;cursor:pointer}
.article-content{padding:48px 60px 64px}
.article-content h1{font-size:46px}
.article-content .lead{font-size:19px;color:#4f6564;margin:20px 0 30px}
.article-content h2{font-size:28px;margin-top:36px}
.article-content p{color:#314847;font-size:17px}
.disclaimer{margin-top:38px;padding:18px 20px;background:#f3f7f6;border-left:4px solid #9abcb7;border-radius:10px;color:#5f7070;font-size:13px}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.about-copy h2{font-size:40px;margin-bottom:16px}
.about-copy p{color:var(--muted);font-size:17px}
.values{display:grid;gap:14px}
.value{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);padding:18px;border-radius:18px}
.value-bullet{width:34px;height:34px;border-radius:10px;background:var(--surface-2);display:grid;place-items:center;color:var(--brand);font-weight:900}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px}
.form-grid{display:grid;gap:14px}
textarea.input{min-height:140px;resize:vertical;width:100%}
label{font-size:13px;font-weight:800}
.notice{font-size:12px;color:var(--muted)}
.hero-mini{background:linear-gradient(145deg,#f0f8f6,#fff);border:1px solid var(--line);border-radius:28px;padding:32px}
.hero-mini h3{font-size:30px;margin-bottom:10px}
.hero-mini p{color:var(--muted)}
.callout{padding:22px;border-radius:20px;background:#0b5c58;color:#fff}
.callout p{opacity:.82}
.hidden{display:none!important}

@media(max-width:900px){
  .hero-grid,.about-grid,.newsletter,.footer-grid{grid-template-columns:1fr}
  .grid-3,.article-list{grid-template-columns:1fr 1fr}
  .hero-card{min-height:420px}
  .stats-strip{grid-template-columns:1fr 1fr}
  .inline-form{width:100%}
  .input{min-width:0;flex:1}
}
@media(max-width:680px){
  .container{width:min(100% - 26px,var(--max))}
  .nav-links{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;padding:18px 20px;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}
  .nav-links.open{display:flex}
  .menu-btn{display:block}
  .nav-cta{display:none}
  .hero{padding-top:46px}
  .grid-3,.article-list{grid-template-columns:1fr}
  .section{padding:52px 0}
  .section-head{align-items:flex-start;flex-direction:column}
  .newsletter{padding:26px}
  .inline-form{flex-direction:column}
  .stats-strip{grid-template-columns:1fr 1fr}
  .article-content{padding:34px 22px 46px}
  .article-content h1{font-size:35px}
  .hero-card{padding:26px}
  .metric-grid{grid-template-columns:1fr 1fr}
  .subfooter{flex-direction:column}
}