:root{--bg:#f7fbf8;--card:#ffffff;--ink:#132018;--muted:#5d6b63;--line:#dfe9e2;--accent:#16804f;--accent2:#0f5f3b;--soft:#edf8f0}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}a{color:var(--accent2);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.nav{display:flex;justify-content:space-between;align-items:center;padding:16px 0}.brand{font-weight:800;font-size:22px;color:var(--ink)}.navlinks{display:flex;gap:18px;font-size:14px}.hero{padding:58px 0 30px}.eyebrow{color:var(--accent2);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:13px}.hero h1{font-size:clamp(36px,6vw,64px);line-height:1.03;margin:12px 0 18px;letter-spacing:-.04em}.hero p{font-size:19px;color:var(--muted);max-width:780px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 8px 22px rgba(19,32,24,.04)}.tool-card h3{margin:0 0 8px;font-size:19px}.tool-card p{margin:0;color:var(--muted);font-size:14px}.section{padding:30px 0}.section h2{font-size:30px;margin:0 0 16px}.calc{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}.form label{display:block;font-size:13px;font-weight:700;margin:12px 0 6px}.form input,.form select{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:14px;background:#fff;font-size:16px}.btn{background:var(--accent);color:#fff;border:0;border-radius:14px;padding:13px 18px;font-size:16px;font-weight:800;margin-top:16px;cursor:pointer}.btn:hover{background:var(--accent2)}.result{background:var(--soft);border:1px solid #cce7d4;border-radius:20px;padding:20px;min-height:120px}.result strong{font-size:28px;display:block;margin:4px 0}.note{font-size:13px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}.footer{padding:40px 0;margin-top:30px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}.links{display:flex;gap:16px;flex-wrap:wrap}.pill{display:inline-block;background:var(--soft);border:1px solid #cce7d4;padding:8px 12px;border-radius:999px;font-size:13px;color:var(--accent2);font-weight:700}@media(max-width:820px){.grid,.calc{grid-template-columns:1fr}.nav{align-items:flex-start;gap:12px}.navlinks{flex-wrap:wrap}.hero{padding-top:36px}}