:root{
  --fg:#0f172a;
  --bg:#ffffff;
  --muted:#64748b;
  --brand:#0f766e;
  --brand-2:#115e59;
  --card:#f8fafc;
  --border:#e5e7eb;
  --shadow:0 10px 30px rgba(2,6,23,.08);
  --radius:18px;
  --max:1100px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--fg);
  background:var(--bg);
  line-height:1.7;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}

.container{max-width:var(--max);margin:0 auto;padding:0 20px}

/* Header / Nav */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--border);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;
}
.brand{
  font-weight:700;
  letter-spacing:.2px;
  color:var(--fg);
  white-space:nowrap;
}
.nav-links{display:flex;gap:18px;align-items:center}
.nav-links a{font-size:14px;color:var(--fg);opacity:.85}
.nav-links a.active{color:var(--brand);opacity:1;font-weight:600}

/* Mobile nav */
.nav-toggle{
  display:none;
  border:1px solid var(--border);
  background:#fff;
  border-radius:12px;
  padding:8px 10px;
  font-size:14px;
}
.mobile-menu{
  display:none;
  border-top:1px solid var(--border);
  padding:12px 0;
}
.mobile-menu a{
  display:block;
  padding:10px 0;
  color:var(--fg);
  opacity:.9;
}

/* Main */
main{padding:56px 0}
.section{padding:24px 0}
.kicker{
  display:inline-block;
  font-size:12px;
  border:1px solid var(--border);
  padding:6px 10px;
  border-radius:999px;
  color:var(--muted);
  background:#fff;
}
h1{font-size:48px;line-height:1.08;margin:14px 0 12px}
h2{font-size:26px;line-height:1.25;margin:22px 0 10px}
h3{font-size:18px;margin:18px 0 8px}
p{margin:10px 0;color:var(--fg)}
.lead{font-size:18px;color:var(--muted);max-width:900px}

/* Cards / grids */
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:none;
}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.soft{color:var(--muted);font-size:14px}

/* Hero */
.hero{
  padding:28px 0 10px;
}
.hero-inner{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:18px;
  align-items:start;
}
.hero-card{
  background:linear-gradient(180deg,#ffffff 0%, #f8fafc 100%);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--fg);
  font-weight:600;
  font-size:14px;
}
.btn.primary{
  background:var(--brand);
  border-color:var(--brand);
  color:#fff;
}
.btn.primary:hover{background:var(--brand-2)}
.btn.ghost:hover{background:#f1f5f9}

/* Lists */
ul{margin:10px 0 0 18px}
li{margin:6px 0}

/* Footer */
.site-footer{
  border-top:1px solid var(--border);
  padding:26px 0;
  color:var(--muted);
  font-size:14px;
}
.footer-inner{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-small{max-width:760px}

/* Forms */
.form{
  display:grid;gap:12px;max-width:720px
}
.input, textarea{
  width:100%;
  padding:12px 12px;
  border:1px solid var(--border);
  border-radius:14px;
  font-size:14px;
  background:#fff;
}
textarea{min-height:140px;resize:vertical}

/* Responsive */
@media (max-width: 900px){
  h1{font-size:38px}
  .hero-inner{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-menu.show{display:block}
}