/* ===== Design tokens ===== */
:root{
  --bg:#ffffff; --surface:#f5f7fa; --surface-2:#eef3f7;
  --text:#0b0d0e; --muted:#5b636a; --border:#e5eaf0;
  --accent:#2c7a7b; --accent-600:#1f6a6b; --accent-700:#1a5556;
  --max:1100px; --pad:20px; --radius:14px;
  --shadow-sm:0 1px 2px rgba(0,0,0,.06);
  --shadow-md:0 6px 18px rgba(0,0,0,.08);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font:16px/1.6 'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text); background:var(--bg);
  text-rendering:optimizeLegibility; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
a.inline{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}

/* Header / Nav */
.site-header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--border);backdrop-filter:saturate(180%) blur(6px)}
.site-header .brand{font-weight:800;font-size:1.3rem;letter-spacing:.2px;padding:14px 0;display:inline-block}
.nav{display:flex;gap:16px;align-items:center}
.nav a{padding:12px 10px;border-radius:10px}
.nav a:hover{background:var(--surface)}
.nav .btn{padding:10px 14px;border:1px solid var(--accent);border-radius:12px}
.nav .btn.btn-alt{background:var(--accent);color:#fff}
.nav .btn.btn-alt:hover{background:var(--accent-600)}
.nav-toggle{display:none;margin-left:auto;background:#fff;border:1px solid var(--border);padding:8px 10px;border-radius:10px;box-shadow:var(--shadow-sm)}

/* Hero */
.hero{padding:72px 0 36px;background:linear-gradient(180deg,var(--surface) 0%,var(--surface-2) 100%);border-bottom:1px solid var(--border)}
.hero h1{font-size:clamp(2.2rem,6vw,3.8rem);line-height:1.1;margin:0 0 12px;letter-spacing:.3px}
.hero p{max-width:900px;color:var(--muted);margin:0 0 18px}
.cta-group{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;cursor:pointer;user-select:none;padding:12px 16px;border:1px solid var(--accent);border-radius:14px;transition:transform .12s ease,box-shadow .15s ease,background .15s ease,color .15s ease;color:var(--accent);background:#fff}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn.btn-alt{background:var(--accent);color:#fff}
.btn.btn-alt:hover{background:var(--accent-700)}

/* Cards */
.highlights{padding:36px 0}
.grid-3{display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}
.card{border:1px solid var(--border);border-radius:var(--radius);padding:16px;background:#fff;box-shadow:var(--shadow-sm);transition:transform .15s ease,box-shadow .2s ease,border-color .2s ease}
.card h3{margin:.2rem 0 .4rem;font-size:1.2rem}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#dde5ee}

/* Embeds */
.map-embed iframe,.calendar-embed iframe{width:100%;height:380px;border:0;border-radius:var(--radius);box-shadow:var(--shadow-sm)}

/* Prose */
.prose{padding:36px 0}
.prose h1{font-size:clamp(1.8rem,4vw,2.4rem);margin:0 0 .6rem}
.prose h2{margin:1.4rem 0 .4rem}
.toc{padding-left:18px;margin:0 0 1rem}
.toc li{margin:6px 0}

/* Forms */
label{display:block;margin:10px 0 6px;font-weight:600}
input,textarea{width:100%;padding:12px 14px;border:1px solid #cfd8e3;border-radius:12px;outline:none;transition:border-color .15s ease,box-shadow .15s ease;background:#fff}
input:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(44,122,123,.15)}
.hidden{display:none}
.fineprint{font-size:.9rem;color:var(--muted)}

/* Donate */
.donate-box{border:1px dashed #cfd8e3;padding:18px;border-radius:16px;background:#fff;box-shadow:var(--shadow-sm)}

/* Footer */
.site-footer{border-top:1px solid var(--border);padding:22px 0;margin-top:44px;background:#fff;color:var(--muted);font-size:.95rem}

/* Mobile */
@media (max-width:900px){.grid-3{grid-template-columns:1fr}}
@media (max-width:800px){.nav{display:none}.nav.open{display:flex;flex-direction:column;padding:10px 0}.nav-toggle{display:block}}