:root{--bg:#f8f4ed;--ink:#24302f;--muted:#63706d;--card:#fffaf2;--line:#e3d9ca;--accent:#9b5f3f;--accent2:#2e6f68}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.65}
a{color:var(--accent2);font-weight:650;text-decoration:none}a:hover{text-decoration:underline}
header{padding:56px 20px 36px;background:linear-gradient(160deg,#fffaf2,#efe3d4);border-bottom:1px solid var(--line)}
.wrap{max-width:1080px;margin:auto}.hero{display:grid;grid-template-columns:1.4fr .8fr;gap:28px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;color:var(--accent);font-weight:800}
h1{font-size:clamp(2.2rem,5vw,4.7rem);line-height:1.04;margin:.2em 0 .25em}h2{font-size:clamp(1.7rem,3vw,2.5rem);line-height:1.15;margin:0 0 .5em}h3{font-size:1.35rem;line-height:1.25;margin:1.4em 0 .35em}
.lead{font-size:1.18rem;color:#34413f;max-width:760px}.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.btn{display:inline-block;background:var(--accent2);color:white;padding:12px 18px;border-radius:999px;font-weight:800}.btn.secondary{background:transparent;color:var(--accent2);border:1px solid var(--accent2)}
nav{position:sticky;top:0;background:rgba(248,244,237,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:5}
nav .wrap{display:flex;gap:16px;overflow:auto;padding:10px 20px}nav a{white-space:nowrap;color:var(--ink);font-size:.94rem}
main{padding:34px 20px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 8px 28px rgba(35,48,47,.04)}
section{padding:34px 0;border-bottom:1px solid var(--line)}ul{padding-left:1.25em}.note{background:#eef5f2;border-left:5px solid var(--accent2);padding:16px 18px;border-radius:14px;color:#2f4744}
.warning{background:#fff5e8;border-left:5px solid var(--accent);padding:16px 18px;border-radius:14px}
.calc{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.calc label{font-weight:750}.calc input{width:100%;padding:12px;border-radius:12px;border:1px solid var(--line);font-size:1rem;background:white}.result{font-size:1.4rem;font-weight:850;color:var(--accent2);margin-top:10px}
footer{background:#24302f;color:#fff;padding:38px 20px}footer a{color:#d7f3ed}.small{font-size:.92rem;color:var(--muted)}footer .small{color:#c6cfcc}
.lang{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.pill{border:1px solid var(--line);border-radius:999px;padding:7px 12px;background:white}
.breadcrumb{font-size:.9rem;margin-bottom:18px;color:var(--muted)}
@media(max-width:800px){.hero,.grid,.calc{grid-template-columns:1fr}header{padding-top:34px}}