:root { --turquoise:#14b8a6; --turquoise-dark:#0d9488; --yellow:#facc15; --green:#22c55e; --ink:#134e4a; }
body { font-family:'Segoe UI',system-ui,sans-serif; background:#f0fdfa; color:var(--ink); margin:0; }
header { background:linear-gradient(120deg,var(--turquoise),var(--green)); padding:1rem 2rem; }
header a { color:#fff; font-weight:800; font-size:1.3rem; text-decoration:none; }
header a span { color:var(--yellow); }
main { max-width:760px; margin:2rem auto 4rem; padding:2rem; background:#fff; border-radius:20px;
       border:2px solid #ccfbf1; box-shadow:0 8px 30px rgba(13,148,136,.12); line-height:1.65; }
h1 { color:var(--turquoise-dark); }
h2 { color:var(--turquoise-dark); font-size:1.1rem; margin-top:1.8rem; }
.placeholder { background:#fef9c3; padding:0 .3rem; border-radius:4px; font-weight:700; }
footer { text-align:center; padding:2rem; color:#0f766e; font-size:.85rem; }
footer a { color:var(--turquoise-dark); margin:0 .5rem; }