/* SignalAlly Global Styles (main) */
:root{--bg:#f9fbfa;--text:#0f1c1a;--muted:#6b7280;--card:#fff;--border:#e5e7eb;--shadow:0 6px 24px rgba(0,0,0,.06);--brand:#00c4a7;--brand-800:#0b8b78;--brand-900:#066e61}
*{box-sizing:border-box}html,body{margin:0;padding:0;overflow-x:hidden;background:var(--bg);color:var(--text);font:16px/1.55 Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
a{color:var(--brand-800);text-decoration:none}a:hover{color:var(--brand-900);text-decoration:underline}
.wrap,.container{max-width:1120px;margin:0 auto;padding:0 24px}.section{padding:56px 0;border-top:1px solid var(--border)}
.grid{display:grid;grid-template-columns:1fr;gap:16px}@media(min-width:860px){.grid{grid-template-columns:repeat(2,1fr)}}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:18px}
h1,h2,h3{margin:0 0 .4em}h1{font-size:36px;line-height:1.2}h2{font-size:24px}h3{font-size:18px}.lead{color:var(--muted);max-width:720px;margin:0 auto 22px;text-align:center}
header.bar{background:#fff;color:var(--text);border-bottom:1px solid var(--border)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 24px;flex-wrap:wrap}
header .brand{display:flex;align-items:center;gap:10px}.brand .name{font-weight:600}
header .logo{height:28px}
header nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap;row-gap:8px}
header nav a{color:var(--text)}header nav a:hover{color:var(--brand-800)}
.hero{text-align:center;padding:56px 0}.hero .cta{display:inline-block;background:var(--brand);color:#083a33;padding:12px 18px;border-radius:10px;font-weight:600;border:0}.hero .cta:hover{filter:brightness(.95)}
footer{border-top:1px solid var(--border);padding:24px 0;margin-top:48px}.small{font-size:12px}.muted{color:var(--muted)}
.why .card{background:#f6fffb;border:1px solid #d6eee8}.why .card h3{color:#0b8b78}
form input,form button{font:inherit}input[type=email],input[type=text],textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--text)}input:focus,textarea:focus{outline:2px solid #b7efe6;border-color:#8de2d6}button[type=submit]{background:var(--brand);color:#083a33;border:0;border-radius:10px;padding:12px 16px;font-weight:600;cursor:pointer}button[type=submit]:hover{filter:brightness(.95)}
img,svg{max-width:100%;height:auto}@media (max-width:768px){.wrap,.container{padding-inline:16px}h1{font-size:28px}header .logo{height:24px}header nav a{font-size:15px;padding:6px 0}}